From: Alan Cox Date: Tue, 5 Jul 2011 14:36:47 +0000 (+0100) Subject: gma500: Medfield support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a897854c30903bc77d919fc303009d17c1548b08;p=linux-beck.git gma500: Medfield support This large patch adds all the basics for Medfield support. Lots of clean up needed in this area still. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile index 01aaa28a6771..4c9c475958af 100644 --- a/drivers/staging/gma500/Makefile +++ b/drivers/staging/gma500/Makefile @@ -22,6 +22,16 @@ psb_gfx-y += gem_glue.o \ psb_powermgmt.o \ psb_irq.o \ mrst_crtc.o \ - mrst_lvds.o + mrst_lvds.o \ + mdfld_output.o \ + mdfld_pyr_cmd.o \ + mdfld_tmd_vid.o \ + mdfld_tpo_cmd.o \ + mdfld_tpo_vid.o \ + mdfld_dsi_pkg_sender.o \ + mdfld_dsi_dpi.o \ + mdfld_dsi_output.o \ + mdfld_dsi_dbi.o \ + mdfld_intel_display.o obj-$(CONFIG_DRM_PSB) += psb_gfx.o diff --git a/drivers/staging/gma500/displays/hdmi.h b/drivers/staging/gma500/displays/hdmi.h new file mode 100644 index 000000000000..d58ba9bd010f --- /dev/null +++ b/drivers/staging/gma500/displays/hdmi.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe + */ + +#ifndef HDMI_H +#define HDMI_H + +extern void hdmi_init(struct drm_device *dev); + +#endif diff --git a/drivers/staging/gma500/displays/pyr_cmd.h b/drivers/staging/gma500/displays/pyr_cmd.h new file mode 100644 index 000000000000..84bae5c8c552 --- /dev/null +++ b/drivers/staging/gma500/displays/pyr_cmd.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe + */ + +#ifndef PYR_CMD_H +#define PYR_CMD_H + +extern void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); + +#endif + diff --git a/drivers/staging/gma500/displays/pyr_vid.h b/drivers/staging/gma500/displays/pyr_vid.h new file mode 100644 index 000000000000..ce98860fa68a --- /dev/null +++ b/drivers/staging/gma500/displays/pyr_vid.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#ifndef PYR_VID_H +#define PYR_VID_H + +extern void pyr_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); +extern struct drm_display_mode *pyr_vid_get_config_mode(struct drm_device* dev); + +#endif diff --git a/drivers/staging/gma500/displays/tmd_cmd.h b/drivers/staging/gma500/displays/tmd_cmd.h new file mode 100644 index 000000000000..641e85eedece --- /dev/null +++ b/drivers/staging/gma500/displays/tmd_cmd.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe + */ + +#ifndef TMD_CMD_H +#define TMD_CMD_H + +extern void tmd_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); +extern struct drm_display_mode *tmd_cmd_get_config_mode(struct drm_device *dev); + +#endif diff --git a/drivers/staging/gma500/displays/tmd_vid.h b/drivers/staging/gma500/displays/tmd_vid.h new file mode 100644 index 000000000000..7a5fa3b935e3 --- /dev/null +++ b/drivers/staging/gma500/displays/tmd_vid.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#ifndef TMD_VID_H +#define TMD_VID_H + +extern void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); +extern struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev); + +#endif diff --git a/drivers/staging/gma500/displays/tpo_cmd.h b/drivers/staging/gma500/displays/tpo_cmd.h new file mode 100644 index 000000000000..610552730d71 --- /dev/null +++ b/drivers/staging/gma500/displays/tpo_cmd.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#ifndef TPO_CMD_H +#define TPO_CMD_H + +extern void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); +/* extern struct drm_display_mode * */ +/* tpo_cmd_get_config_mode(struct drm_device *dev); */ + +#endif diff --git a/drivers/staging/gma500/displays/tpo_vid.h b/drivers/staging/gma500/displays/tpo_vid.h new file mode 100644 index 000000000000..c24f05722de1 --- /dev/null +++ b/drivers/staging/gma500/displays/tpo_vid.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe + */ + +#ifndef TPO_VID_H +#define TPO_VID_H + +extern void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); + +#endif diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c new file mode 100644 index 000000000000..15055c85c1d4 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dbi.c @@ -0,0 +1,872 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dbi_dpu.h" +#include "mdfld_dsi_pkg_sender.h" + +#include "psb_powermgmt.h" +#include + +int enable_gfx_rtpm; + +extern struct drm_device *gpDrmDevice; +extern int gfxrtdelay; +int enter_dsr; +struct mdfld_dsi_dbi_output *gdbi_output; +extern bool gbgfxsuspended; +extern int gfxrtdelay; + +#ifdef CONFIG_GFX_RTPM +static void psb_runtimepm_wq_handler(struct work_struct *work); +DECLARE_DELAYED_WORK(rtpm_work, psb_runtimepm_wq_handler); + +void psb_runtimepm_wq_handler(struct work_struct *work) +{ + struct drm_psb_private *dev_priv = gpDrmDevice->dev_private; + + if (drm_psb_ospm && !enable_gfx_rtpm) { + pr_info("Enable GFX runtime_pm\n"); + dev_priv->rpm_enabled = 1; + enable_gfx_rtpm = 1; + + pm_runtime_enable(&gpDrmDevice->pdev->dev); + pm_runtime_set_active(&gpDrmDevice->pdev->dev); + + pm_runtime_allow(&gpDrmDevice->pdev->dev); + } +} +#endif + + +/* + * set refreshing area + */ +int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output, + u16 x1, u16 y1, u16 x2, u16 y2) +{ + struct mdfld_dsi_pkg_sender *sender = + mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); + u8 param[4]; + u8 cmd; + int err; + + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + + /*set column*/ + cmd = set_column_address; + param[0] = x1 >> 8; + param[1] = x1; + param[2] = x2 >> 8; + param[3] = x2; + + err = mdfld_dsi_send_dcs(sender, + cmd, + param, + 4, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); + goto err_out; + } + + /*set page*/ + cmd = set_page_addr; + param[0] = y1 >> 8; + param[1] = y1; + param[2] = y2 >> 8; + param[3] = y2; + + err = mdfld_dsi_send_dcs(sender, + cmd, + param, + 4, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); + goto err_out; + } + + /*update screen*/ + err = mdfld_dsi_send_dcs(sender, + write_mem_start, + NULL, + 0, + CMD_DATA_SRC_PIPE, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); + goto err_out; + } + mdfld_dsi_cmds_kick_out(sender); +err_out: + return err; +} + +/* + * set panel's power state + */ +int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output, + int mode) +{ + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_pkg_sender *sender = + mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); + u8 param = 0; + u32 err = 0; + + if (!dev_priv->dispstatus && mode != DRM_MODE_DPMS_ON) { + dev_err(dev->dev, "%s: already OFF ignoring\n", __func__); + return 0; + } + if (dev_priv->dispstatus && mode == DRM_MODE_DPMS_ON) { + dev_err(dev->dev, "%s: already ON ignoring\n", __func__); + return 0; + } + + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + + if (mode == DRM_MODE_DPMS_ON) { + /*exit sleep mode*/ + err = mdfld_dsi_send_dcs(sender, + exit_sleep_mode, + NULL, + 0, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + exit_sleep_mode); + goto power_err; + } + + /*set display on*/ + err = mdfld_dsi_send_dcs(sender, + set_display_on, + NULL, + 0, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + set_display_on); + goto power_err; + } + + /* set tear effect on */ + err = mdfld_dsi_send_dcs(sender, + set_tear_on, + ¶m, + 1, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + set_tear_on); + goto power_err; + } + + /** + * FIXME: remove this later + */ + err = mdfld_dsi_send_dcs(sender, + write_mem_start, + NULL, + 0, + CMD_DATA_SRC_PIPE, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + set_display_on); + goto power_err; + } + } else { + /*set tear effect off */ + err = mdfld_dsi_send_dcs(sender, + set_tear_off, + NULL, + 0, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + set_tear_off); + goto power_err; + } + + /*set display off*/ + err = mdfld_dsi_send_dcs(sender, + set_display_off, + NULL, + 0, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + set_display_off); + goto power_err; + } + + /*enter sleep mode*/ + err = mdfld_dsi_send_dcs(sender, + enter_sleep_mode, + NULL, + 0, + CMD_DATA_SRC_SYSTEM_MEM, + MDFLD_DSI_QUEUE_PACKAGE); + if (err) { + dev_err(dev->dev, "DCS 0x%x sent failed\n", + enter_sleep_mode); + goto power_err; + } + } + mdfld_dsi_cmds_kick_out(sender); +power_err: + return err; +} + +/* + * send a generic DCS command with a parameter list + */ +int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output, + u8 dcs, u8 *param, u32 num, u8 data_src) +{ + struct mdfld_dsi_pkg_sender *sender = + mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); + int ret; + + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + + ret = mdfld_dsi_send_dcs(sender, + dcs, + param, + num, + data_src, + MDFLD_DSI_SEND_PACKAGE); + + return ret; +} + + +/* + * Enter DSR + */ +void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe) +{ + u32 reg_val; + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = dbi_output->base.base.crtc; + struct psb_intel_crtc *psb_crtc = (crtc) ? + to_psb_intel_crtc(crtc) : NULL; + u32 dpll_reg = MRST_DPLL_A; + u32 pipeconf_reg = PIPEACONF; + u32 dspcntr_reg = DSPACNTR; + + dev_priv->is_in_idle = true; + + if (!dbi_output) + return; + + gdbi_output = dbi_output; + if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || + (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING)) + return; + + if (pipe == 2) { + dpll_reg = MRST_DPLL_A; + pipeconf_reg = PIPECCONF; + dspcntr_reg = DSPCCNTR; + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + /*disable te interrupts. */ + mdfld_disable_te(dev, pipe); + + /*disable plane*/ + reg_val = REG_READ(dspcntr_reg); + if (!(reg_val & DISPLAY_PLANE_ENABLE)) { + REG_WRITE(dspcntr_reg, reg_val & ~DISPLAY_PLANE_ENABLE); + REG_READ(dspcntr_reg); + } + /*disable pipe*/ + reg_val = REG_READ(pipeconf_reg); + if (!(reg_val & DISPLAY_PLANE_ENABLE)) { + reg_val &= ~DISPLAY_PLANE_ENABLE; + reg_val |= (PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF); + REG_WRITE(pipeconf_reg, reg_val); + REG_READ(pipeconf_reg); + mdfldWaitForPipeDisable(dev, pipe); + } + + /*disable DPLL*/ + reg_val = REG_READ(dpll_reg); + if (!(reg_val & DPLL_VCO_ENABLE)) { + reg_val &= ~DPLL_VCO_ENABLE; + REG_WRITE(dpll_reg, reg_val); + REG_READ(dpll_reg); + udelay(500); + } + + gma_power_end(dev); + dbi_output->mode_flags |= MODE_SETTING_IN_DSR; + if (pipe == 2) { + enter_dsr = 1; + /* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */ + } +} + +#ifndef CONFIG_MDFLD_DSI_DPU +static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output, + int pipe, void *p_surfaceAddr, bool check_hw_on_only) +{ + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = dbi_output->base.base.crtc; + struct psb_intel_crtc *psb_crtc = (crtc) ? + to_psb_intel_crtc(crtc) : NULL; + u32 reg_val; + u32 dpll_reg = MRST_DPLL_A; + u32 pipeconf_reg = PIPEACONF; + u32 dspcntr_reg = DSPACNTR; + u32 dspsurf_reg = DSPASURF; + u32 reg_offset = 0; + + /*if mode setting on-going, back off*/ + if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || + (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING)) + return; + + if (pipe == 2) { + dpll_reg = MRST_DPLL_A; + pipeconf_reg = PIPECCONF; + dspcntr_reg = DSPCCNTR; + dspsurf_reg = DSPCSURF; + reg_offset = MIPIC_REG_OFFSET; + } + + if (check_hw_on_only) { + if (0/* FIXME!ospm_power_is_hw_on(_DISPLAY_ISLAND)*/) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + } else if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + /*enable DPLL*/ + reg_val = REG_READ(dpll_reg); + if (!(reg_val & DPLL_VCO_ENABLE)) { + + if (reg_val & MDFLD_PWR_GATE_EN) { + reg_val &= ~MDFLD_PWR_GATE_EN; + REG_WRITE(dpll_reg, reg_val); + REG_READ(dpll_reg); + udelay(500); + } + + reg_val |= DPLL_VCO_ENABLE; + REG_WRITE(dpll_reg, reg_val); + REG_READ(dpll_reg); + udelay(500); + + /* Add timeout */ + while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) + cpu_relax(); + } + + /*enable pipe*/ + reg_val = REG_READ(pipeconf_reg); + if (!(reg_val & PIPEACONF_ENABLE)) { + reg_val |= PIPEACONF_ENABLE; + REG_WRITE(pipeconf_reg, reg_val); + REG_READ(pipeconf_reg); + udelay(500); + mdfldWaitForPipeEnable(dev, pipe); + } + + /*enable plane*/ + reg_val = REG_READ(dspcntr_reg); + if (!(reg_val & DISPLAY_PLANE_ENABLE)) { + reg_val |= DISPLAY_PLANE_ENABLE; + REG_WRITE(dspcntr_reg, reg_val); + REG_READ(dspcntr_reg); + udelay(500); + } + + /* update the surface base address. */ + if (p_surfaceAddr) + REG_WRITE(dspsurf_reg, *((u32 *)p_surfaceAddr)); + + if (!check_hw_on_only) + gma_power_end(dev); + + /*enable TE interrupt on this pipe*/ + mdfld_enable_te(dev, pipe); + + /*clean IN_DSR flag*/ + dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR; +} + +/* + * Exit from DSR + */ +void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src, + void *p_surfaceAddr, bool check_hw_on_only) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + struct mdfld_dsi_dbi_output **dbi_output; + int i; + + dev_priv->is_in_idle = false; + dbi_output = dsr_info->dbi_outputs; + +#ifdef CONFIG_PM_RUNTIME + if (!enable_gfx_rtpm) { +/* pm_runtime_allow(&gpDrmDevice->pdev->dev); */ +/* schedule_delayed_work(&rtpm_work, 120 * 1000); */ + } +#endif + + /*for each output, exit dsr*/ + for (i = 0; i < dsr_info->dbi_output_num; i++) { + /*if panel has been turned off, skip*/ + if (!dbi_output[i]->dbi_panel_on) + continue; + if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR) { + enter_dsr = 0; + mdfld_dbi_output_exit_dsr(dbi_output[i], dbi_output[i]->channel_num ? 2 : 0, p_surfaceAddr, check_hw_on_only); + } + } + dev_priv->dsr_fb_update |= update_src; +} + +static bool mdfld_dbi_is_in_dsr(struct drm_device *dev) +{ + if (REG_READ(MRST_DPLL_A) & DPLL_VCO_ENABLE) + return false; + if ((REG_READ(PIPEACONF) & PIPEACONF_ENABLE) || + (REG_READ(PIPECCONF) & PIPEACONF_ENABLE)) + return false; + if ((REG_READ(DSPACNTR) & DISPLAY_PLANE_ENABLE) || + (REG_READ(DSPCCNTR) & DISPLAY_PLANE_ENABLE)) + return false; + + return true; +} + +/* Perodically update dbi panel */ +void mdfld_dbi_update_panel(struct drm_device *dev, int pipe) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + struct mdfld_dsi_dbi_output **dbi_outputs; + struct mdfld_dsi_dbi_output *dbi_output; + int i; + int enter_dsr = 0; + u32 damage_mask = 0; + + dbi_outputs = dsr_info->dbi_outputs; + dbi_output = pipe ? dbi_outputs[1] : dbi_outputs[0]; + + if (!dbi_output) + return; + + if (pipe == 0) + damage_mask = dev_priv->dsr_fb_update & (MDFLD_DSR_DAMAGE_MASK_0); + else if (pipe == 2) + damage_mask = dev_priv->dsr_fb_update & (MDFLD_DSR_DAMAGE_MASK_2); + else + return; + + /*if FB is damaged and panel is on update on-panel FB*/ + if (damage_mask && dbi_output->dbi_panel_on) { + dbi_output->dsr_fb_update_done = false; + + if (dbi_output->p_funcs->update_fb) + dbi_output->p_funcs->update_fb(dbi_output, pipe); + + if (dev_priv->dsr_enable && dbi_output->dsr_fb_update_done) + dev_priv->dsr_fb_update &= ~damage_mask; + + /*clean IN_DSR flag*/ + dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR; + + dbi_output->dsr_idle_count = 0; + } else { + dbi_output->dsr_idle_count++; + } + + /*try to enter DSR*/ + if (dbi_outputs[0]->dsr_idle_count > 1 + && dbi_outputs[1]->dsr_idle_count > 1) { + for (i = 0; i < dsr_info->dbi_output_num; i++) { + if (!mdfld_dbi_is_in_dsr(dev) && + !(dbi_outputs[i]->mode_flags & MODE_SETTING_ON_GOING)) { + mdfld_dsi_dbi_enter_dsr(dbi_outputs[i], + dbi_outputs[i]->channel_num ? 2 : 0); +#if 0 + enter_dsr = 1; + pr_err("%s: enter_dsr = 1\n", __func__); +#endif + } + } + /*schedule rpm suspend after gfxrtdelay*/ +#ifdef CONFIG_GFX_RTPM + if (!dev_priv->rpm_enabled + || !enter_dsr + /* || (REG_READ(HDMIB_CONTROL) & HDMIB_PORT_EN) */ + || pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay)) + dev_warn(dev->dev, + "Runtime PM schedule suspend failed, rpm %d\n", + dev_priv->rpm_enabled); +#endif + } +} + +/*timers for DSR*/ +static void mdfld_dsi_dbi_dsr_timer_func(unsigned long data) +{ + struct drm_device *dev = (struct drm_device *)data; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + struct timer_list *dsr_timer = &dsr_info->dsr_timer; + unsigned long flags; + + mdfld_dbi_update_panel(dev, 0); + + if (dsr_info->dsr_idle_count > 1) + return; + + spin_lock_irqsave(&dsr_info->dsr_timer_lock, flags); + if (!timer_pending(dsr_timer)) { + dsr_timer->expires = jiffies + MDFLD_DSR_DELAY; + add_timer(dsr_timer); + } + spin_unlock_irqrestore(&dsr_info->dsr_timer_lock, flags); +} + +static int mdfld_dsi_dbi_dsr_timer_init(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + struct timer_list *dsr_timer = &dsr_info->dsr_timer; + unsigned long flags; + + spin_lock_init(&dsr_info->dsr_timer_lock); + spin_lock_irqsave(&dsr_info->dsr_timer_lock, flags); + + init_timer(dsr_timer); + + dsr_timer->data = (unsigned long)dev; + dsr_timer->function = mdfld_dsi_dbi_dsr_timer_func; + dsr_timer->expires = jiffies + MDFLD_DSR_DELAY; + + spin_unlock_irqrestore(&dsr_info->dsr_timer_lock, flags); + return 0; +} + +void mdfld_dbi_dsr_timer_start(struct mdfld_dbi_dsr_info *dsr_info) +{ + struct timer_list *dsr_timer = &dsr_info->dsr_timer; + unsigned long flags; + + spin_lock_irqsave(&dsr_info->dsr_timer_lock, flags); + if (!timer_pending(dsr_timer)) { + dsr_timer->expires = jiffies + MDFLD_DSR_DELAY; + add_timer(dsr_timer); + } + spin_unlock_irqrestore(&dsr_info->dsr_timer_lock, flags); +} + +int mdfld_dbi_dsr_init(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + + if (!dsr_info || IS_ERR(dsr_info)) { + dsr_info = kzalloc(sizeof(struct mdfld_dbi_dsr_info), + GFP_KERNEL); + if (!dsr_info) { + dev_err(dev->dev, "No memory\n"); + return -ENOMEM; + } + dev_priv->dbi_dsr_info = dsr_info; + } + return 0; +} + +void mdfld_dbi_dsr_exit(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; + + if (!dsr_info) { + del_timer_sync(&dsr_info->dsr_timer); + kfree(dsr_info); + dev_priv->dbi_dsr_info = NULL; + } +} +#endif + +void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, + int pipe) +{ + struct drm_device *dev = dsi_config->dev; + u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; + int lane_count = dsi_config->lane_count; + u32 val = 0; + + dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe); + + /*un-ready device*/ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); + + /*init dsi adapter before kicking off*/ + REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); + + /*TODO: figure out how to setup these registers*/ + REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); + REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), + 0x000a0014); + REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400); + REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001); + REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000); + + /*enable all interrupts*/ + REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); + /*max value: 20 clock cycles of txclkesc*/ + REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f); + /*min 21 txclkesc, max: ffffh*/ + REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff); + /*min: 7d0 max: 4e20*/ + REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0); + + /*set up func_prg*/ + val |= lane_count; + val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET); + val |= DSI_DBI_COLOR_FORMAT_OPTION2; + REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); + + REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff); + REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff); + + /*de-assert dbi_stall when half of DBI FIFO is empty*/ + /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */ + + REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); + REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); + REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); +} + +#if 0 +/*DBI encoder helper funcs*/ +static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = { + .dpms = mdfld_dsi_dbi_dpms, + .mode_fixup = mdfld_dsi_dbi_mode_fixup, + .prepare = mdfld_dsi_dbi_prepare, + .mode_set = mdfld_dsi_dbi_mode_set, + .commit = mdfld_dsi_dbi_commit, +}; + +/*DBI encoder funcs*/ +static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +#endif + +static int mdfld_dbi_panel_reset(struct mdfld_dsi_dbi_output *output) +{ + unsigned gpio; + int ret; + + switch (output->channel_num) { + case 0: + gpio = 128; + break; + case 1: + gpio = 34; + break; + default: + pr_err("Invalid output\n"); + return -EINVAL; + } + + ret = gpio_request(gpio, "gfx"); + if (ret) { + pr_err("gpio_rqueset failed\n"); + return ret; + } + + ret = gpio_direction_output(gpio, 1); + if (ret) { + pr_err("gpio_direction_output failed\n"); + goto gpio_error; + } + gpio_get_value(128); +gpio_error: + if (gpio_is_valid(gpio)) + gpio_free(gpio); + + return ret; +} + +/* + * Init DSI DBI encoder. + * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector + * return pointer of newly allocated DBI encoder, NULL on error + */ +struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev, + struct mdfld_dsi_connector *dsi_connector, + struct panel_funcs *p_funcs) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_dbi_output *dbi_output = NULL; + struct mdfld_dsi_config *dsi_config; + struct drm_connector *connector = NULL; + struct drm_encoder *encoder = NULL; + struct drm_display_mode *fixed_mode = NULL; + struct psb_gtt *pg = dev_priv ? (dev_priv->pg) : NULL; + +#ifdef CONFIG_MDFLD_DSI_DPU + struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL; +#else + struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL; +#endif + int ret; + + if (!pg || !dsi_connector) { + WARN_ON(1); + return NULL; + } + + dbi_output = kzalloc(sizeof(struct mdfld_dsi_dbi_output), GFP_KERNEL); + if (!dbi_output) { + dev_err(dev->dev, "No memory\n"); + return NULL; + } + + if (dsi_connector->pipe == 0) { + dbi_output->channel_num = 0; + dev_priv->dbi_output = dbi_output; + } else if (dsi_connector->pipe == 2) { + dbi_output->channel_num = 1; + dev_priv->dbi_output2 = dbi_output; + } else { + dev_err(dev->dev, "only support 2 DSI outputs\n"); + goto out_err1; + } + + dbi_output->dev = dev; + dbi_output->p_funcs = p_funcs; + + /*panel reset*/ + ret = mdfld_dbi_panel_reset(dbi_output); + if (ret) { + dev_err(dev->dev, "reset panel error\n"); + goto out_err1; + } + + /*TODO: get panel info from DDB*/ + + /*get fixed mode*/ + dsi_config = mdfld_dsi_get_config(dsi_connector); + fixed_mode = dsi_config->fixed_mode; + + dbi_output->panel_fixed_mode = fixed_mode; + + /*create drm encoder object*/ + connector = &dsi_connector->base.base; + encoder = &dbi_output->base.base; + drm_encoder_init(dev, + encoder, + p_funcs->encoder_funcs, + DRM_MODE_ENCODER_MIPI); + drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs); + + /*attach to given connector*/ + drm_mode_connector_attach_encoder(connector, encoder); + + /*set possible crtcs and clones*/ + if (dsi_connector->pipe) { + encoder->possible_crtcs = (1 << 2); + encoder->possible_clones = (1 << 1); + } else { + encoder->possible_crtcs = (1 << 0); + encoder->possible_clones = (1 << 0); + } + + dev_priv->dsr_fb_update = 0; + dev_priv->dsr_enable = false; + dev_priv->exit_idle = mdfld_dsi_dbi_exit_dsr; +#if defined(CONFIG_MDFLD_DSI_DPU) || defined(CONFIG_MDFLD_DSI_DSR) + dev_priv->dsr_enable_config = false; +#endif /*CONFIG_MDFLD_DSI_DSR*/ + + dbi_output->first_boot = true; + dbi_output->mode_flags = MODE_SETTING_IN_ENCODER; + +#ifdef CONFIG_MDFLD_DSI_DPU + /*add this output to dpu_info*/ + if (dsi_connector->pipe == 0) + dpu_info->dbi_outputs[0] = dbi_output; + } else { + dpu_info->dbi_outputs[1] = dbi_output; + } + dpu_info->dbi_output_num++; +#else /*CONFIG_MDFLD_DSI_DPU*/ + /*add this output to dsr_info*/ + if (dsi_connector->pipe == 0) + dsr_info->dbi_outputs[0] = dbi_output; + else + dsr_info->dbi_outputs[1] = dbi_output; + dsr_info->dbi_output_num++; +#endif + return &dbi_output->base; +out_err1: + kfree(dbi_output); + return NULL; +} diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.h b/drivers/staging/gma500/mdfld_dsi_dbi.h new file mode 100644 index 000000000000..5b049514b31e --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dbi.h @@ -0,0 +1,188 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#ifndef __MDFLD_DSI_DBI_H__ +#define __MDFLD_DSI_DBI_H__ + +#include +#include +#include +#include +#include +#include + +#include "psb_drv.h" +#include "psb_intel_drv.h" +#include "psb_intel_reg.h" +#include "psb_powermgmt.h" + +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#define DRM_MODE_ENCODER_MIPI 5 + + +/* + * DBI encoder which inherits from mdfld_dsi_encoder + */ +struct mdfld_dsi_dbi_output { + struct mdfld_dsi_encoder base; + struct drm_display_mode *panel_fixed_mode; + u8 last_cmd; + u8 lane_count; + u8 channel_num; + struct drm_device *dev; + + /* Backlight operations */ + + /* DSR timer */ + spinlock_t dsr_timer_lock; + struct timer_list dsr_timer; + void(*dsi_timer_func)(unsigned long data); + u32 dsr_idle_count; + bool dsr_fb_update_done; + + /* Mode setting flags */ + u32 mode_flags; + + /* Panel status */ + bool dbi_panel_on; + bool first_boot; + struct panel_funcs *p_funcs; +}; + +#define MDFLD_DSI_DBI_OUTPUT(dsi_encoder) \ + container_of(dsi_encoder, struct mdfld_dsi_dbi_output, base) + +struct mdfld_dbi_dsr_info { + int dbi_output_num; + struct mdfld_dsi_dbi_output *dbi_outputs[2]; + + spinlock_t dsr_timer_lock; + struct timer_list dsr_timer; + u32 dsr_idle_count; +}; + +#define DBI_CB_TIMEOUT_COUNT 0xffff + +/* DCS commands */ +#define enter_sleep_mode 0x10 +#define exit_sleep_mode 0x11 +#define set_display_off 0x28 +#define set_dispaly_on 0x29 +#define set_column_address 0x2a +#define set_page_addr 0x2b +#define write_mem_start 0x2c + +/* Offsets */ +#define CMD_MEM_ADDR_OFFSET 0 + +#define CMD_DATA_SRC_SYSTEM_MEM 0 +#define CMD_DATA_SRC_PIPE 1 + +static inline int mdfld_dsi_dbi_fifo_ready(struct mdfld_dsi_dbi_output *dbi_output) +{ + struct drm_device *dev = dbi_output->dev; + u32 retry = DBI_CB_TIMEOUT_COUNT; + int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0; + int ret = 0; + + /* Query the dbi fifo status*/ + while (retry--) { + if (REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset) & (1 << 27)) + break; + } + + if (!retry) { + DRM_ERROR("Timeout waiting for DBI FIFO empty\n"); + ret = -EAGAIN; + } + return ret; +} + +static inline int mdfld_dsi_dbi_cmd_sent(struct mdfld_dsi_dbi_output *dbi_output) +{ + struct drm_device *dev = dbi_output->dev; + u32 retry = DBI_CB_TIMEOUT_COUNT; + int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0; + int ret = 0; + + /* Query the command execution status */ + while (retry--) + if (!(REG_READ(MIPIA_CMD_ADD_REG + reg_offset) & (1 << 10))) + break; + + if (!retry) { + DRM_ERROR("Timeout waiting for DBI command status\n"); + ret = -EAGAIN; + } + + return ret; +} + +static inline int mdfld_dsi_dbi_cb_ready(struct mdfld_dsi_dbi_output *dbi_output) +{ + int ret = 0; + + /* Query the command execution status*/ + ret = mdfld_dsi_dbi_cmd_sent(dbi_output); + if (ret) { + DRM_ERROR("Peripheral is busy\n"); + ret = -EAGAIN; + } + /* Query the dbi fifo status*/ + ret = mdfld_dsi_dbi_fifo_ready(dbi_output); + if (ret) { + DRM_ERROR("DBI FIFO is not empty\n"); + ret = -EAGAIN; + } + return ret; +} + +extern void mdfld_dsi_dbi_output_init(struct drm_device *dev, + struct psb_intel_mode_device *mode_dev, int pipe); +extern void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src, + void *p_surfaceAddr, bool check_hw_on_only); +extern void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, + int pipe); +extern int mdfld_dbi_dsr_init(struct drm_device *dev); +extern void mdfld_dbi_dsr_exit(struct drm_device *dev); +extern void mdfld_dbi_dsr_timer_start(struct mdfld_dbi_dsr_info *dsr_info); +extern struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev, + struct mdfld_dsi_connector *dsi_connector, + struct panel_funcs *p_funcs); +extern int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output, + u8 dcs, u8 *param, u32 num, u8 data_src); +extern int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output, + u16 x1, u16 y1, u16 x2, u16 y2); +extern void mdfld_dbi_dsr_timer_start(struct mdfld_dbi_dsr_info *dsr_info); +extern int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output, + int mode); +extern void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, + int pipe); + +#endif /*__MDFLD_DSI_DBI_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h new file mode 100644 index 000000000000..4ca9682c47c5 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h @@ -0,0 +1,157 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#ifndef __MDFLD_DSI_DBI_DPU_H__ +#define __MDFLD_DSI_DBI_DPU_H__ + +#include "mdfld_dsi_dbi.h" + +typedef enum { + MDFLD_PLANEA, + MDFLD_PLANEC, + MDFLD_CURSORA, + MDFLD_CURSORC, + MDFLD_OVERLAYA, + MDFLD_OVERLAYC, + MDFLD_PLANE_NUM, +} mdfld_plane_t; + +#define MDFLD_PIPEA_PLANE_MASK 0x15 +#define MDFLD_PIPEC_PLANE_MASK 0x2A + +struct mdfld_cursor_info { + int x, y; + int size; +}; + +#define MDFLD_CURSOR_SIZE 64 + +/* + * enter DSR mode if screen has no update for 2 frames. + */ +#define MDFLD_MAX_IDLE_COUNT 2 + +struct mdfld_dbi_dpu_info { + struct drm_device *dev; + /* Lock */ + spinlock_t dpu_update_lock; + + /* Cursor postion */ + struct mdfld_cursor_info cursors[2]; + + /* Damaged area for each plane */ + struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM]; + + /* Final damaged area */ + struct psb_drm_dpu_rect damage_pipea; + struct psb_drm_dpu_rect damage_pipec; + + /* Pending */ + u32 pending; + + /* DPU timer */ + struct timer_list dpu_timer; + spinlock_t dpu_timer_lock; + + /* DPU idle count */ + u32 idle_count; + + /* DSI outputs */ + struct mdfld_dsi_dbi_output *dbi_outputs[2]; + int dbi_output_num; +}; + +static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin, + struct psb_drm_dpu_rect *rect) +{ + int x1, y1, x2, y2; + + /* PSB_DEBUG_ENTRY("rect (%d, %d, %d, %d)\n", + rect->x, rect->y, rect->width, rect->height); */ + + x1 = origin->x + origin->width; + y1 = origin->y + origin->height; + + x2 = rect->x + rect->width; + y2 = rect->y + rect->height; + + origin->x = min(origin->x, rect->x); + origin->y = min(origin->y, rect->y); + origin->width = max(x1, x2) - origin->x; + origin->height = max(y1, y2) - origin->y; + + return 0; +} + +static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info, + struct psb_drm_dpu_rect *rect) +{ + if (rect->x < 0) + rect->x = 0; + if (rect->y < 0) + rect->y = 0; + + if (rect->x + rect->width > 864) + rect->width = 864 - rect->x; + if (rect->y + rect->height > 480) + rect->height = 480 - rect->height; + + if (!rect->width) + rect->width = 1; + if (!rect->height) + rect->height = 1; +} + +static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info, + int pipe) +{ + struct psb_drm_dpu_rect *rect; + + if (pipe == 0) + rect = &dpu_info->damage_pipea; + else + rect = &dpu_info->damage_pipec; + + rect->x = 864; + rect->y = 480; + rect->width = -864; + rect->height = -480; +} + +extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev, + struct psb_drm_dpu_rect *rect); +extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev, + mdfld_plane_t plane, + struct psb_drm_dpu_rect *rect); +extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev); +extern int mdfld_dpu_exit_dsr(struct drm_device *dev); +extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info); +extern int mdfld_dbi_dpu_init(struct drm_device *dev); +extern void mdfld_dbi_dpu_exit(struct drm_device *dev); +extern void mdfld_dpu_update_panel(struct drm_device *dev); + +#endif /*__MDFLD_DSI_DBI_DPU_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.c b/drivers/staging/gma500/mdfld_dsi_dpi.c new file mode 100644 index 000000000000..fce3c2031347 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dpi.c @@ -0,0 +1,991 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#include "mdfld_dsi_dpi.h" +#include "mdfld_output.h" +#include "mdfld_dsi_pkg_sender.h" + + +static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe) +{ + u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; + int timeout = 0; + + if (pipe == 2) + gen_fifo_stat_reg += MIPIC_REG_OFFSET; + + udelay(500); + + /* This will time out after approximately 2+ seconds */ + while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) { + udelay(100); + timeout++; + } + + if (timeout == 20000) + dev_warn(dev->dev, "MIPI: HS Data FIFO was never cleared!\n"); +} + +static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe) +{ + u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; + int timeout = 0; + + if (pipe == 2) + gen_fifo_stat_reg += MIPIC_REG_OFFSET; + + udelay(500); + + /* This will time out after approximately 2+ seconds */ + while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_CTRL_FULL)) { + udelay(100); + timeout++; + } + if (timeout == 20000) + dev_warn(dev->dev, "MIPI: HS CMD FIFO was never cleared!\n"); +} + +static void mdfld_wait_for_PIPEA_DISABLE(struct drm_device *dev, u32 pipe) +{ + u32 pipeconf_reg = PIPEACONF; + int timeout = 0; + + if (pipe == 2) + pipeconf_reg = PIPECCONF; + + udelay(500); + + /* This will time out after approximately 2+ seconds */ + while ((timeout < 20000) && (REG_READ(pipeconf_reg) & 0x40000000)) { + udelay(100); + timeout++; + } + + if (timeout == 20000) + dev_warn(dev->dev, "MIPI: PIPE was not disabled!\n"); +} + +static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe) +{ + u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; + int timeout = 0; + + if (pipe == 2) + gen_fifo_stat_reg += MIPIC_REG_OFFSET; + + udelay(500); + + /* This will time out after approximately 2+ seconds */ + while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) & DPI_FIFO_EMPTY) + != DPI_FIFO_EMPTY)) { + udelay(100); + timeout++; + } + + if (timeout == 20000) + dev_warn(dev->dev, "MIPI: DPI FIFO was never cleared!\n"); +} + +static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe) +{ + u32 intr_stat_reg = MIPIA_INTR_STAT_REG; + int timeout = 0; + + if (pipe == 2) + intr_stat_reg += MIPIC_REG_OFFSET; + + udelay(500); + + /* This will time out after approximately 2+ seconds */ + while ((timeout < 20000) && (!(REG_READ(intr_stat_reg) & DSI_INTR_STATE_SPL_PKG_SENT))) { + udelay(100); + timeout++; + } + + if (timeout == 20000) + dev_warn(dev->dev, "MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n"); +} + + +/* ************************************************************************* *\ + * FUNCTION: mdfld_dsi_tpo_ic_init + * + * DESCRIPTION: This function is called only by mrst_dsi_mode_set and + * restore_display_registers. since this function does not + * acquire the mutex, it is important that the calling function + * does! +\* ************************************************************************* */ +void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe) +{ + struct drm_device *dev = dsi_config->dev; + u32 dcsChannelNumber = dsi_config->channel_num; + u32 gen_data_reg = MIPIA_HS_GEN_DATA_REG; + u32 gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG; + u32 gen_ctrl_val = GEN_LONG_WRITE; + + dev_warn(dev->dev, "Enter mrst init TPO MIPI display.\n"); + + if (pipe == 2) { + gen_data_reg = HS_GEN_DATA_REG + MIPIC_REG_OFFSET; + gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; + } + + gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS; + + /* Flip page order */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00008036); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS)); + + /* 0xF0 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x005a5af0); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); + + /* Write protection key */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x005a5af1); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); + + /* 0xFC */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x005a5afc); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); + + /* 0xB7 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x770000b7); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000044); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS)); + + /* 0xB6 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x000a0ab6); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); + + /* 0xF2 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x081010f2); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x4a070708); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x000000c5); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); + + /* 0xF8 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x024003f8); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x01030a04); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x0e020220); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000004); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS)); + + /* 0xE2 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x398fc3e2); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x0000916f); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS)); + + /* 0xB0 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x000000b0); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS)); + + /* 0xF4 */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x240242f4); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x78ee2002); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x2a071050); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x507fee10); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x10300710); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS)); + + /* 0xBA */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x19fe07ba); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x101c0a31); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000010); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); + + /* 0xBB */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x28ff07bb); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x24280a31); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000034); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); + + /* 0xFB */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x535d05fb); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1b1a2130); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x221e180e); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x131d2120); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x535d0508); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1c1a2131); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x231f160d); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x111b2220); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x535c2008); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1f1d2433); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x2c251a10); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x2c34372d); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000023); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS)); + + /* 0xFA */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x525c0bfa); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1c1c232f); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x2623190e); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x18212625); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x545d0d0e); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1e1d2333); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x26231a10); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x1a222725); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x545d280f); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x21202635); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x31292013); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x31393d33); + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x00000029); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS)); + + /* Set DM */ + mdfld_wait_for_HS_DATA_FIFO(dev, pipe); + REG_WRITE(gen_data_reg, 0x000100f7); + mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); + REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); +} + +/* ************************************************************************* *\ + * FUNCTION: mdfld_init_TMD_MIPI + * + * DESCRIPTION: This function is called only by mrst_dsi_mode_set and + * restore_display_registers. since this function does not + * acquire the mutex, it is important that the calling function + * does! +\* ************************************************************************* */ + +static u32 tmd_cmd_mcap_off[] = {0x000000b2}; +static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef}; +static u32 tmd_cmd_set_lane_num[] = {0x006360ef}; +static u32 tmd_cmd_set_mode[] = {0x000000b3}; +static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef}; +static u32 tmd_cmd_set_video_mode[] = {0x00000153}; +static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};//no auto_bl,need add in furtrue +static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd}; + +void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe) +{ + struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + + if(dsi_config->dvr_ic_inited) + return; + + msleep(3); + + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_mcap_off, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_lane_switch, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_lane_num, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_mode, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_sync_pulse_mode, 1, 0); + /*TODO: set page and column here*/ + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_video_mode, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_backlight, 1, 0); + mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_backlight_dimming,1,0); + dsi_config->dvr_ic_inited = 1; +} + +static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count, int num_lane, int bpp) +{ + return (u16)((pixel_clock_count * bpp) / (num_lane * 8)); +} + +/* + * Calculate the dpi time basing on a given drm mode @mode + * return 0 on success. + * FIXME: I was using proposed mode value for calculation, may need to + * use crtc mode values later + */ +int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, + struct mdfld_dsi_dpi_timing *dpi_timing, + int num_lane, int bpp) +{ + int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive; + int pclk_vsync, pclk_vfp, pclk_vbp, pclk_vactive; + + if(!mode || !dpi_timing) { + DRM_ERROR("Invalid parameter\n"); + return -EINVAL; + } + + pclk_hactive = mode->hdisplay; + pclk_hfp = mode->hsync_start - mode->hdisplay; + pclk_hsync = mode->hsync_end - mode->hsync_start; + pclk_hbp = mode->htotal - mode->hsync_end; + + pclk_vactive = mode->vdisplay; + pclk_vfp = mode->vsync_start - mode->vdisplay; + pclk_vsync = mode->vsync_end - mode->vsync_start; + pclk_vbp = mode->vtotal - mode->vsync_end; + +#ifdef MIPI_DEBUG_LOG + printk(KERN_ALERT "[DISPLAY] %s: pclk_hactive = %d\n", __func__, pclk_hactive); + printk(KERN_ALERT "[DISPLAY] %s: pclk_hfp = %d\n", __func__, pclk_hfp); + printk(KERN_ALERT "[DISPLAY] %s: pclk_hsync = %d\n", __func__, pclk_hsync); + printk(KERN_ALERT "[DISPLAY] %s: pclk_hbp = %d\n", __func__, pclk_hbp); + printk(KERN_ALERT "[DISPLAY] %s: pclk_vactive = %d\n", __func__, pclk_vactive); + printk(KERN_ALERT "[DISPLAY] %s: pclk_vfp = %d\n", __func__, pclk_vfp); + printk(KERN_ALERT "[DISPLAY] %s: pclk_vsync = %d\n", __func__, pclk_vsync); + printk(KERN_ALERT "[DISPLAY] %s: pclk_vbp = %d\n", __func__, pclk_vbp); +#endif + /* + * byte clock counts were calculated by following formula + * bclock_count = pclk_count * bpp / num_lane / 8 + */ + dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hsync, num_lane, bpp); + dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hbp, num_lane, bpp); + dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hfp, num_lane, bpp); + dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hactive, num_lane, bpp); + dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vsync, num_lane, bpp); + dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vbp, num_lane, bpp); + dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vfp, num_lane, bpp); + + return 0; +} + +void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe) +{ + struct drm_device *dev = dsi_config->dev; + u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; + int lane_count = dsi_config->lane_count; + struct mdfld_dsi_dpi_timing dpi_timing; + struct drm_display_mode *mode = dsi_config->mode; + u32 val = 0; + + /*un-ready device*/ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); + + /*init dsi adapter before kicking off*/ + REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); + + /*enable all interrupts*/ + REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); + + + /*set up func_prg*/ + val |= lane_count; + val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET; + + switch(dsi_config->bpp) { + case 16: + val |= DSI_DPI_COLOR_FORMAT_RGB565; + break; + case 18: + val |= DSI_DPI_COLOR_FORMAT_RGB666; + break; + case 24: + val |= DSI_DPI_COLOR_FORMAT_RGB888; + break; + default: + DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp); + } + REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); + + REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), + (mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK); + REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK); + + /*max value: 20 clock cycles of txclkesc*/ + REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK); + + /*min 21 txclkesc, max: ffffh*/ + REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK); + + REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay); + + /*set DPI timing registers*/ + mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp); + + REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK); + REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK); + + REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); + + /*min: 7d0 max: 4e20*/ + REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0); + + /*set up video mode*/ + val = 0; + val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE; + REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val); + + REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); + + REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); + + /*TODO: figure out how to setup these registers*/ + REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); + + REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14); + /*set device ready*/ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); +} + +void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe) +{ + struct drm_device *dev = output->dev; + /* struct drm_psb_private *dev_priv = dev->dev_private; */ + u32 reg_offset = 0; + + if(output->panel_on) + return; + + if(pipe) + reg_offset = MIPIC_REG_OFFSET; + + /* clear special packet sent bit */ + if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { + REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); + } + + /*send turn on package*/ + REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON); + + /*wait for SPL_PKG_SENT interrupt*/ + mdfld_wait_for_SPL_PKG_SENT(dev, pipe); + + if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { + REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); + } + + output->panel_on = 1; + + /* FIXME the following is disabled to WA the X slow start issue for TMD panel */ + /* if(pipe == 2) */ + /* dev_priv->dpi_panel_on2 = true; */ + /* else if (pipe == 0) */ + /* dev_priv->dpi_panel_on = true; */ +} + +static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output, int pipe) +{ + struct drm_device *dev = output->dev; + /* struct drm_psb_private *dev_priv = dev->dev_private; */ + u32 reg_offset = 0; + + /*if output is on, or mode setting didn't happen, ignore this*/ + if((!output->panel_on) || output->first_boot) { + output->first_boot = 0; + return; + } + + if(pipe) + reg_offset = MIPIC_REG_OFFSET; + + /* Wait for dpi fifo to empty */ + mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe); + + /* Clear the special packet interrupt bit if set */ + if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { + REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); + } + + if(REG_READ(MIPIA_DPI_CONTROL_REG + reg_offset) == DSI_DPI_CTRL_HS_SHUTDOWN) { + goto shutdown_out; + } + + REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN); + +shutdown_out: + output->panel_on = 0; + output->first_boot = 0; + + /* FIXME the following is disabled to WA the X slow start issue for TMD panel */ + /* if(pipe == 2) */ + /* dev_priv->dpi_panel_on2 = false; */ + /* else if (pipe == 0) */ + /* dev_priv->dpi_panel_on = false; */ +} + +void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder); + struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); + int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder); + struct drm_device *dev = dsi_config->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + u32 mipi_reg = MIPI; + u32 pipeconf_reg = PIPEACONF; + + if(pipe) { + mipi_reg = MIPI_C; + pipeconf_reg = PIPECCONF; + } + + /* Start up display island if it was shutdown */ + if (!gma_power_begin(dev, true)) + return; + + if(on) { + if (mdfld_get_panel_type(dev, pipe) == TMD_VID){ + mdfld_dsi_dpi_turn_on(dpi_output, pipe); + } else { + /*enable mipi port*/ + REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31))); + REG_READ(mipi_reg); + + mdfld_dsi_dpi_turn_on(dpi_output, pipe); + mdfld_dsi_tpo_ic_init(dsi_config, pipe); + } + + if(pipe == 2) { + dev_priv->dpi_panel_on2 = true; + } + else { + dev_priv->dpi_panel_on = true; + } + + } else { + if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { + mdfld_dsi_dpi_shut_down(dpi_output, pipe); + } else { + mdfld_dsi_dpi_shut_down(dpi_output, pipe); + /*disable mipi port*/ + REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31))); + REG_READ(mipi_reg); + } + + if(pipe == 2) + dev_priv->dpi_panel_on2 = false; + else + dev_priv->dpi_panel_on = false; + } + gma_power_end(dev); +} + +void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode) +{ + dev_dbg(encoder->dev->dev, "DPMS %s\n", + (mode == DRM_MODE_DPMS_ON ? "on":"off")); + + if (mode == DRM_MODE_DPMS_ON) + mdfld_dsi_dpi_set_power(encoder, true); + else + mdfld_dsi_dpi_set_power(encoder, false); +} + +bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); + struct drm_display_mode *fixed_mode = dsi_config->fixed_mode; + + if(fixed_mode) { + adjusted_mode->hdisplay = fixed_mode->hdisplay; + adjusted_mode->hsync_start = fixed_mode->hsync_start; + adjusted_mode->hsync_end = fixed_mode->hsync_end; + adjusted_mode->htotal = fixed_mode->htotal; + adjusted_mode->vdisplay = fixed_mode->vdisplay; + adjusted_mode->vsync_start = fixed_mode->vsync_start; + adjusted_mode->vsync_end = fixed_mode->vsync_end; + adjusted_mode->vtotal = fixed_mode->vtotal; + adjusted_mode->clock = fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + } + + return true; +} + +void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder) +{ + mdfld_dsi_dpi_set_power(encoder, false); +} + +void mdfld_dsi_dpi_commit(struct drm_encoder *encoder) +{ + mdfld_dsi_dpi_set_power(encoder, true); +} + +void dsi_debug_MIPI_reg(struct drm_device *dev) +{ + u32 temp_val = 0; + + temp_val = REG_READ(MIPI); + printk(KERN_ALERT "[DISPLAY] MIPI = %x\n", temp_val); + + /* set the lane speed */ + temp_val = REG_READ(MIPI_CONTROL_REG); + printk(KERN_ALERT "[DISPLAY] MIPI_CONTROL_REG = %x\n", temp_val); + + /* Enable all the error interrupt */ + temp_val = REG_READ(INTR_EN_REG); + printk(KERN_ALERT "[DISPLAY] INTR_EN_REG = %x\n", temp_val); + temp_val = REG_READ(TURN_AROUND_TIMEOUT_REG); + printk(KERN_ALERT "[DISPLAY] TURN_AROUND_TIMEOUT_REG = %x\n", temp_val); + temp_val = REG_READ(DEVICE_RESET_REG); + printk(KERN_ALERT "[DISPLAY] DEVICE_RESET_REG = %x\n", temp_val); + temp_val = REG_READ(INIT_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] INIT_COUNT_REG = %x\n", temp_val); + + temp_val = REG_READ(DSI_FUNC_PRG_REG); + printk(KERN_ALERT "[DISPLAY] DSI_FUNC_PRG_REG = %x\n", temp_val); + + temp_val = REG_READ(DPI_RESOLUTION_REG); + printk(KERN_ALERT "[DISPLAY] DPI_RESOLUTION_REG = %x\n", temp_val); + + temp_val = REG_READ(VERT_SYNC_PAD_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] VERT_SYNC_PAD_COUNT_REG = %x\n", temp_val); + temp_val = REG_READ(VERT_BACK_PORCH_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] VERT_BACK_PORCH_COUNT_REG = %x\n", temp_val); + temp_val = REG_READ(VERT_FRONT_PORCH_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] VERT_FRONT_PORCH_COUNT_REG = %x\n", temp_val); + + temp_val = REG_READ(HORIZ_SYNC_PAD_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] HORIZ_SYNC_PAD_COUNT_REG = %x\n", temp_val); + temp_val = REG_READ(HORIZ_BACK_PORCH_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] HORIZ_BACK_PORCH_COUNT_REG = %x\n", temp_val); + temp_val = REG_READ(HORIZ_FRONT_PORCH_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] HORIZ_FRONT_PORCH_COUNT_REG = %x\n", temp_val); + temp_val = REG_READ(HORIZ_ACTIVE_AREA_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] HORIZ_ACTIVE_AREA_COUNT_REG = %x\n", temp_val); + + temp_val = REG_READ(VIDEO_FMT_REG); + printk(KERN_ALERT "[DISPLAY] VIDEO_FMT_REG = %x\n", temp_val); + + temp_val = REG_READ(HS_TX_TIMEOUT_REG); + printk(KERN_ALERT "[DISPLAY] HS_TX_TIMEOUT_REG = %x\n", temp_val); + temp_val = REG_READ(LP_RX_TIMEOUT_REG); + printk(KERN_ALERT "[DISPLAY] LP_RX_TIMEOUT_REG = %x\n", temp_val); + + temp_val = REG_READ(HIGH_LOW_SWITCH_COUNT_REG); + printk(KERN_ALERT "[DISPLAY] HIGH_LOW_SWITCH_COUNT_REG = %x\n", temp_val); + + temp_val = REG_READ(EOT_DISABLE_REG); + printk(KERN_ALERT "[DISPLAY] EOT_DISABLE_REG = %x\n", temp_val); + + temp_val = REG_READ(LP_BYTECLK_REG); + printk(KERN_ALERT "[DISPLAY] LP_BYTECLK_REG = %x\n", temp_val); + temp_val = REG_READ(MAX_RET_PAK_REG); + printk(KERN_ALERT "[DISPLAY] MAX_RET_PAK_REG = %x\n", temp_val); + temp_val = REG_READ(DPI_CONTROL_REG); + printk(KERN_ALERT "[DISPLAY] DPI_CONTROL_REG = %x\n", temp_val); + temp_val = REG_READ(DPHY_PARAM_REG); + printk(KERN_ALERT "[DISPLAY] DPHY_PARAM_REG = %x\n", temp_val); +// temp_val = REG_READ(PIPEACONF); +// printk(KERN_INFO "[DISPLAY] PIPEACONF = %x\n", temp_val); +// temp_val = REG_READ(DSPACNTR); +// printk(KERN_INFO "[DISPLAY] DSPACNTR = %x\n", temp_val); +} + +void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder); + struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); + struct drm_device *dev = dsi_config->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder); + + u32 pipeconf_reg = PIPEACONF; + u32 dspcntr_reg = DSPACNTR; + u32 mipi_reg = MIPI; + u32 reg_offset = 0; + + u32 pipeconf = dev_priv->pipeconf; + u32 dspcntr = dev_priv->dspcntr; + u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; + + dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n", + mode->hdisplay, mode->vdisplay, pipe); + + if(pipe) { + pipeconf_reg = PIPECCONF; + dspcntr_reg = DSPCCNTR; + mipi_reg = MIPI_C; + reg_offset = MIPIC_REG_OFFSET; + } else { + mipi |= 2; + } + + if (!gma_power_begin(dev, true)) + return; + + /* Set up mipi port FIXME: do at init time */ + REG_WRITE(mipi_reg, mipi); + REG_READ(mipi_reg); + + /* Set up DSI controller DPI interface*/ + mdfld_dsi_dpi_controller_init(dsi_config, pipe); + + if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { + /* init driver ic */ + mdfld_dsi_tmd_drv_ic_init(dsi_config, pipe); + } else { + /*turn on DPI interface*/ + mdfld_dsi_dpi_turn_on(dpi_output, pipe); + } + + /* Set up pipe */ + REG_WRITE(pipeconf_reg, pipeconf); + REG_READ(pipeconf_reg); + + /* Set up display plane */ + REG_WRITE(dspcntr_reg, dspcntr); + REG_READ(dspcntr_reg); + + msleep(20); /* FIXME: this should wait for vblank */ + + dev_dbg(dev->dev, "State %x, power %d\n", + REG_READ(MIPIA_INTR_STAT_REG + reg_offset), + dpi_output->panel_on); + + if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { + //mdfld_dsi_dpi_turn_on(dpi_output, pipe); + } else { + /* init driver ic */ + mdfld_dsi_tpo_ic_init(dsi_config, pipe); + /*init backlight*/ + mdfld_dsi_brightness_init(dsi_config, pipe); + } + +#ifdef MIPI_DEBUG_LOG + dsi_debug_MIPI_reg(dev); +#endif + gma_power_end(dev); +} + +static int mdfld_dpi_panel_reset(int pipe) +{ + unsigned gpio; + int ret = 0; + + switch(pipe) { + case 0: + gpio = 128; + break; + case 2: + gpio = 34; + break; + default: + DRM_ERROR("Invalid output\n"); + return -EINVAL; + } + + ret = gpio_request(gpio, "gfx"); + if(ret) { + DRM_ERROR("gpio_rqueset failed\n"); + return ret; + } + ret = gpio_direction_output(gpio, 1); + if(ret) { + DRM_ERROR("gpio_direction_output failed\n"); + goto gpio_error; + } + + gpio_get_value(128); + +gpio_error: + if(gpio_is_valid(gpio)) + gpio_free(gpio); + return ret; +} + +/** + * Exit from DSR + */ +void mdfld_dsi_dpi_exit_idle (struct drm_device *dev, u32 update_src, void *p_surfaceAddr, bool check_hw_on_only) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + + if (!gma_power_begin(dev, true)) { + DRM_ERROR("hw begin failed\n"); + return; + } + + /* update the surface base address. */ + if (p_surfaceAddr) { + REG_WRITE(DSPASURF, *((u32 *)p_surfaceAddr)); +#if defined(CONFIG_MDFD_DUAL_MIPI) + REG_WRITE(DSPCSURF, *((u32 *)p_surfaceAddr)); +#endif + } + mid_enable_pipe_event(dev_priv, 0); + psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); + dev_priv->is_in_idle = false; + dev_priv->dsr_idle_count = 0; +} + +/* + * Init DSI DPI encoder. + * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector + * return pointer of newly allocated DPI encoder, NULL on error + */ +struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, + struct mdfld_dsi_connector *dsi_connector, + struct panel_funcs*p_funcs) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_dpi_output *dpi_output = NULL; + struct mdfld_dsi_config *dsi_config; + struct drm_connector *connector = NULL; + struct drm_encoder *encoder = NULL; + struct drm_display_mode *fixed_mode = NULL; + int ret; + + if (!dsi_connector) { + WARN_ON(1); + return NULL; + } + + dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL); + if(!dpi_output) { + dev_err(dev->dev, "No memory for dsi_dpi_output\n"); + return NULL; + } + /* Panel reset */ + ret = mdfld_dpi_panel_reset(dsi_connector->pipe); + if(ret) { + DRM_ERROR("reset panel error\n"); + goto out_err1; + } + + if(dsi_connector->pipe) + dpi_output->panel_on = 0; + + dpi_output->panel_on = 0; + + + dpi_output->dev = dev; + dpi_output->first_boot = 1; + + /* Get fixed mode */ + dsi_config = mdfld_dsi_get_config(dsi_connector); + fixed_mode = dsi_config->fixed_mode; + + /* Create drm encoder object */ + connector = &dsi_connector->base.base; + encoder = &dpi_output->base.base; + drm_encoder_init(dev, + encoder, + p_funcs->encoder_funcs, + DRM_MODE_ENCODER_MIPI); + drm_encoder_helper_add(encoder, + p_funcs->encoder_helper_funcs); + + /* Attach to given connector */ + drm_mode_connector_attach_encoder(connector, encoder); + + /* Set possible crtcs and clones */ + if(dsi_connector->pipe) { + encoder->possible_crtcs = (1 << 2); + encoder->possible_clones = (1 << 1); + } else { + encoder->possible_crtcs = (1 << 0); + encoder->possible_clones = (1 << 0); + } + + dev_priv->dsr_fb_update = 0; + dev_priv->dsr_enable = false; + dev_priv->exit_idle = mdfld_dsi_dpi_exit_idle; +#if defined(CONFIG_MDFLD_DSI_DPU) || defined(CONFIG_MDFLD_DSI_DSR) + dev_priv->dsr_enable_config = true; +#endif /*CONFIG_MDFLD_DSI_DSR*/ + + return &dpi_output->base; + +out_err1: + if(dpi_output) + kfree(dpi_output); + return NULL; +} + diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.h b/drivers/staging/gma500/mdfld_dsi_dpi.h new file mode 100644 index 000000000000..68e65cce2a76 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dpi.h @@ -0,0 +1,80 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#ifndef __MDFLD_DSI_DPI_H__ +#define __MDFLD_DSI_DPI_H__ + +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +struct mdfld_dsi_dpi_timing { + u16 hsync_count; + u16 hbp_count; + u16 hfp_count; + u16 hactive_count; + u16 vsync_count; + u16 vbp_count; + u16 vfp_count; +}; + +struct mdfld_dsi_dpi_output { + struct mdfld_dsi_encoder base; + struct drm_device *dev; + + int panel_on; + int first_boot; +}; + +#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder) \ + container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base) + +extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, + struct mdfld_dsi_dpi_timing *dpi_timing, + int num_lane, int bpp); +extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, + struct mdfld_dsi_connector *dsi_connector, + struct panel_funcs *p_funcs); + +/* Medfield DPI helper functions */ +extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode); +extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); +extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder); +extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder); +extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); +extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, + int pipe); +extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *si_config, + int pipe); +extern void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe); +extern void psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, + u32 mask); + +#endif /*__MDFLD_DSI_DPI_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c new file mode 100644 index 000000000000..44ee3f657925 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_output.c @@ -0,0 +1,977 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#include "mdfld_dsi_output.h" +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_output.h" +#include +#include "mdfld_dsi_pkg_sender.h" +#include + +#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100 + +/* get the CABC LABC from command line. */ +static int CABC_control = 1; +static int LABC_control = 1; + +#ifdef MODULE +module_param (CABC_control, int, 0644); +module_param (LABC_control, int, 0644); +#else +static int __init parse_CABC_control(char *arg) +{ + /* CABC control can be passed in as a cmdline parameter */ + /* to enable this feature add CABC=1 to cmdline */ + /* to disable this feature add CABC=0 to cmdline */ + if (!arg) + return -EINVAL; + + if (!strcasecmp(arg, "0")) + CABC_control = 0; + else if (!strcasecmp (arg, "1")) + CABC_control = 1; + + return 0; +} +early_param ("CABC", parse_CABC_control); + +static int __init parse_LABC_control(char *arg) +{ + /* LABC control can be passed in as a cmdline parameter */ + /* to enable this feature add LABC=1 to cmdline */ + /* to disable this feature add LABC=0 to cmdline */ + if (!arg) + return -EINVAL; + + if (!strcasecmp(arg, "0")) + LABC_control = 0; + else if (!strcasecmp (arg, "1")) + LABC_control = 1; + + return 0; +} +early_param ("LABC", parse_LABC_control); +#endif + +/** + * make these MCS command global + * we don't need 'movl' everytime we send them. + * FIXME: these datas were provided by OEM, we should get them from GCT. + **/ +static u32 mdfld_dbi_mcs_hysteresis[] = { + 0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff, + 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, + 0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff, + 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, + 0x000000ff, +}; + +static u32 mdfld_dbi_mcs_display_profile[] = { + 0x50281450, 0x0000c882, 0x00000000, 0x00000000, + 0x00000000, +}; + +static u32 mdfld_dbi_mcs_kbbc_profile[] = { + 0x00ffcc60, 0x00000000, 0x00000000, 0x00000000, +}; + +static u32 mdfld_dbi_mcs_gamma_profile[] = { + 0x81111158, 0x88888888, 0x88888888, +}; + +/* + * write hysteresis values. + */ +static void mdfld_dsi_write_hysteresis (struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct mdfld_dsi_pkg_sender * sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + mdfld_dsi_send_mcs_long_hs(sender, + mdfld_dbi_mcs_hysteresis, + 17, + MDFLD_DSI_SEND_PACKAGE); +} + +/* + * write display profile values. + */ +static void mdfld_dsi_write_display_profile (struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct mdfld_dsi_pkg_sender * sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + mdfld_dsi_send_mcs_long_hs(sender, + mdfld_dbi_mcs_display_profile, + 5, + MDFLD_DSI_SEND_PACKAGE); +} + +/* + * write KBBC profile values. + */ +static void mdfld_dsi_write_kbbc_profile (struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct mdfld_dsi_pkg_sender * sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + mdfld_dsi_send_mcs_long_hs(sender, + mdfld_dbi_mcs_kbbc_profile, + 4, + MDFLD_DSI_SEND_PACKAGE); +} + +/** + * write gamma setting. + */ +static void mdfld_dsi_write_gamma_setting (struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct mdfld_dsi_pkg_sender * sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + mdfld_dsi_send_mcs_long_hs(sender, + mdfld_dbi_mcs_gamma_profile, + 3, + MDFLD_DSI_SEND_PACKAGE); +} + +/** + * Check and see if the generic control or data buffer is empty and ready. + */ +void mdfld_dsi_gen_fifo_ready (struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat) +{ + u32 GEN_BF_time_out_count = 0; + + /* Check MIPI Adatper command registers */ + for (GEN_BF_time_out_count = 0; GEN_BF_time_out_count < GEN_FB_TIME_OUT; GEN_BF_time_out_count++) + { + if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat) + break; + udelay (100); + } + + if (GEN_BF_time_out_count == GEN_FB_TIME_OUT) + dev_err(dev->dev, + "mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x. \n", + gen_fifo_stat_reg); +} + +/** + * Manage the DSI MIPI keyboard and display brightness. + * FIXME: this is exported to OSPM code. should work out an specific + * display interface to OSPM. + */ +void mdfld_dsi_brightness_init (struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct mdfld_dsi_pkg_sender * sender = mdfld_dsi_get_pkg_sender(dsi_config); + struct drm_device * dev = sender->dev; + struct drm_psb_private * dev_priv = dev->dev_private; + u32 gen_ctrl_val; + + if(!sender) { + WARN_ON(1); + return; + } + /* Set default display backlight value to 85% (0xd8)*/ + mdfld_dsi_send_mcs_short_hs(sender, + write_display_brightness, + 0xd8, + 1, + MDFLD_DSI_SEND_PACKAGE); + + /* Set minimum brightness setting of CABC function to 20% (0x33)*/ + mdfld_dsi_send_mcs_short_hs(sender, + write_cabc_min_bright, + 0x33, + 1, + MDFLD_DSI_SEND_PACKAGE); + + mdfld_dsi_write_hysteresis (dsi_config, pipe); + mdfld_dsi_write_display_profile (dsi_config, pipe); + mdfld_dsi_write_kbbc_profile (dsi_config, pipe); + mdfld_dsi_write_gamma_setting (dsi_config, pipe); + + /* Enable backlight or/and LABC */ + gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON| BACKLIGHT_ON; + if (LABC_control == 1 || CABC_control == 1) + gen_ctrl_val |= DISPLAY_DIMMING_ON| DISPLAY_BRIGHTNESS_AUTO | GAMMA_AUTO; + + if (LABC_control == 1) + gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON; + + dev_priv->mipi_ctrl_display = gen_ctrl_val; + + mdfld_dsi_send_mcs_short_hs(sender, + write_ctrl_display, + (u8)gen_ctrl_val, + 1, + MDFLD_DSI_SEND_PACKAGE); + + if (CABC_control == 0) + return; + mdfld_dsi_send_mcs_short_hs(sender, + write_ctrl_cabc, + UI_IMAGE, + 1, + MDFLD_DSI_SEND_PACKAGE); +} + +/** + * Manage the mipi display brightness. + * TODO: refine this interface later + */ +void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level) +{ + struct mdfld_dsi_pkg_sender *sender; + struct drm_psb_private *dev_priv; + struct mdfld_dsi_config *dsi_config; + u32 gen_ctrl_val = 0; + int p_type = TMD_VID; + + if (!dev || (pipe != 0 && pipe != 2)) { + dev_err(dev->dev, "Invalid parameter\n"); + return; + } + + p_type = mdfld_get_panel_type(dev, 0); + + dev_priv = dev->dev_private; + + if(pipe) + dsi_config = dev_priv->dsi_configs[1]; + else + dsi_config = dev_priv->dsi_configs[0]; + + sender = mdfld_dsi_get_pkg_sender(dsi_config); + + if(!sender) { + WARN_ON(1); + return; + } + + gen_ctrl_val = ((level * 0xff) / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff; + + dev_dbg(dev->dev, "pipe = %d, gen_ctrl_val = %d. \n", pipe, gen_ctrl_val); + + if(p_type == TMD_VID || p_type == TMD_CMD){ + /* Set display backlight value */ + mdfld_dsi_send_mcs_short_hs(sender, + tmd_write_display_brightness, + (u8)gen_ctrl_val, + 1, + MDFLD_DSI_SEND_PACKAGE); + } else { + /* Set display backlight value */ + mdfld_dsi_send_mcs_short_hs(sender, + write_display_brightness, + (u8)gen_ctrl_val, + 1, + MDFLD_DSI_SEND_PACKAGE); + + + /* Enable backlight control */ + if (level == 0) + gen_ctrl_val = 0; + else + gen_ctrl_val = dev_priv->mipi_ctrl_display; + + mdfld_dsi_send_mcs_short_hs(sender, + write_ctrl_display, + (u8)gen_ctrl_val, + 1, + MDFLD_DSI_SEND_PACKAGE); + } +} + +/* + * shut down DSI controller + */ +void mdfld_dsi_controller_shutdown(struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct drm_device * dev; + u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; + int retry = 100; + + if (!dsi_config) { + WARN_ON(1); + return; + } + + dev = dsi_config->dev; + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + if(!(REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) + goto shutdown_out; + + /*send shut down package, clean packet send bit first*/ + if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { + REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), + (REG_READ(MIPIA_INTR_STAT_REG + reg_offset) | DSI_INTR_STATE_SPL_PKG_SENT)); + } + + /*send shut down package in HS*/ + REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN); + + + /* + * make sure shut down is sent. + * FIXME: add max retry counter + */ + while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) { + retry--; + + if(!retry) { + dev_err(dev->dev, "timeout\n"); + break; + } + } + + /*sleep 1 ms to ensure shutdown finished*/ + msleep(100); + + /*un-ready device*/ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), + (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & ~DSI_DEVICE_READY)); + +shutdown_out: + gma_power_end(dev); +} + +void mdfld_dsi_controller_startup(struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct drm_device * dev; + u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; + int retry = 100; + + + if (!dsi_config) { + WARN_ON(1); + return; + } + + dev = dsi_config->dev; + dev_dbg(dev->dev, "starting up DSI controller on pipe %d...\n", pipe); + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + if((REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) + goto startup_out; + + /*if config DPI, turn on DPI interface*/ + if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { + if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { + REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); + } + + REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON); + + /* + * make sure shut down is sent. + * FIXME: add max retry counter + */ + while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) { + retry--; + if(!retry) { + dev_err(dev->dev, "timeout\n"); + break; + } + } + + msleep(100); + } + + /*set device ready*/ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), + (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) | DSI_DEVICE_READY)); + +startup_out: + gma_power_end(dev); +} + +/* + * NOTE: this function was used by OSPM. + * TODO: will be removed later, should work out display interfaces for OSPM + */ +void mdfld_dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe) +{ + if(!dsi_config || ((pipe != 0) && (pipe != 2))) { + WARN_ON(1); + return; + } + + if(dsi_config->type) + mdfld_dsi_dpi_controller_init(dsi_config, pipe); + else + mdfld_dsi_controller_dbi_init(dsi_config, pipe); +} + +static void mdfld_dsi_connector_save(struct drm_connector * connector) +{ +} + +static void mdfld_dsi_connector_restore(struct drm_connector * connector) +{ +} + +static enum drm_connector_status mdfld_dsi_connector_detect(struct drm_connector * connector, bool force) +{ + return connector_status_connected; +} + +static int mdfld_dsi_connector_set_property(struct drm_connector * connector, + struct drm_property * property, + uint64_t value) +{ + struct drm_encoder * encoder = connector->encoder; + struct backlight_device * psb_bd; + + if (!strcmp(property->name, "scaling mode") && encoder) { + struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc); + bool bTransitionFromToCentered; + uint64_t curValue; + + if (!psb_crtc) + goto set_prop_error; + + switch (value) { + case DRM_MODE_SCALE_FULLSCREEN: + break; + case DRM_MODE_SCALE_NO_SCALE: + break; + case DRM_MODE_SCALE_ASPECT: + break; + default: + goto set_prop_error; + } + + if (drm_connector_property_get_value(connector, property, &curValue)) + goto set_prop_error; + + if (curValue == value) + goto set_prop_done; + + if (drm_connector_property_set_value(connector, property, value)) + goto set_prop_error; + + bTransitionFromToCentered = (curValue == DRM_MODE_SCALE_NO_SCALE) || + (value == DRM_MODE_SCALE_NO_SCALE); + + if (psb_crtc->saved_mode.hdisplay != 0 && + psb_crtc->saved_mode.vdisplay != 0) { + if (bTransitionFromToCentered) { + if (!drm_crtc_helper_set_mode(encoder->crtc, &psb_crtc->saved_mode, + encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb)) + goto set_prop_error; + } else { + struct drm_encoder_helper_funcs *pEncHFuncs = encoder->helper_private; + pEncHFuncs->mode_set(encoder, &psb_crtc->saved_mode, + &psb_crtc->saved_adjusted_mode); + } + } + } else if (!strcmp(property->name, "backlight") && encoder) { + dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value); + if (drm_connector_property_set_value(connector, property, value)) + goto set_prop_error; + else { + dev_dbg(encoder->dev->dev, + "set brightness to %d", (int)value); + psb_bd = psb_get_backlight_device(); + if(psb_bd) { + psb_bd->props.brightness = value; + psb_set_brightness(psb_bd); + } + } + } +set_prop_done: + return 0; +set_prop_error: + return -1; +} + +static void mdfld_dsi_connector_destroy(struct drm_connector * connector) +{ + struct psb_intel_output * psb_output = to_psb_intel_output(connector); + struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); + struct mdfld_dsi_pkg_sender * sender; + + if(!dsi_connector) + return; + + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + + sender = dsi_connector->pkg_sender; + + mdfld_dsi_pkg_sender_destroy(sender); + + kfree(dsi_connector); +} + +static int mdfld_dsi_connector_get_modes(struct drm_connector * connector) +{ + struct psb_intel_output * psb_output = to_psb_intel_output(connector); + struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); + struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); + struct drm_display_mode * fixed_mode = dsi_config->fixed_mode; + struct drm_display_mode * dup_mode = NULL; + struct drm_device * dev = connector->dev; + + connector->display_info.min_vfreq = 0; + connector->display_info.max_vfreq = 200; + connector->display_info.min_hfreq = 0; + connector->display_info.max_hfreq = 200; + + if(fixed_mode) { + dev_dbg(dev->dev, "fixed_mode %dx%d\n", + fixed_mode->hdisplay, fixed_mode->vdisplay); + + dup_mode = drm_mode_duplicate(dev, fixed_mode); + drm_mode_probed_add(connector, dup_mode); + return 1; + } + dev_err(dev->dev, "Didn't get any modes!\n"); + return 0; +} + +static int mdfld_dsi_connector_mode_valid(struct drm_connector * connector, struct drm_display_mode * mode) +{ + struct psb_intel_output * psb_output = to_psb_intel_output(connector); + struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); + struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); + struct drm_display_mode * fixed_mode = dsi_config->fixed_mode; + + dev_dbg(connector->dev->dev, "mode %p, fixed mode %p\n", + mode, fixed_mode); + + if(mode->flags & DRM_MODE_FLAG_DBLSCAN) + return MODE_NO_DBLESCAN; + + if(mode->flags & DRM_MODE_FLAG_INTERLACE) + return MODE_NO_INTERLACE; + + /** + * FIXME: current DC has no fitting unit, reject any mode setting request + * will figure out a way to do up-scaling(pannel fitting) later. + **/ + if(fixed_mode) { + if(mode->hdisplay != fixed_mode->hdisplay) + return MODE_PANEL; + + if(mode->vdisplay != fixed_mode->vdisplay) + return MODE_PANEL; + } + dev_dbg(connector->dev->dev, "mode ok\n"); + + return MODE_OK; +} + +static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode) +{ +#ifdef CONFIG_PM_RUNTIME + struct drm_device * dev = connector->dev; + struct drm_psb_private * dev_priv = dev->dev_private; + bool panel_on, panel_on2; +#endif + /* First, execute DPMS */ + drm_helper_connector_dpms(connector, mode); + +#ifdef CONFIG_PM_RUNTIME + if(mdfld_panel_dpi(dev)) { + /* DPI panel */ + panel_on = dev_priv->dpi_panel_on; + panel_on2 = dev_priv->dpi_panel_on2; + } else { + /* DBI panel */ + panel_on = dev_priv->dbi_panel_on; + panel_on2 = dev_priv->dbi_panel_on2; + } + + /* Then check all display panels + monitors status */ + if(!panel_on && !panel_on2 && !(REG_READ(HDMIB_CONTROL) + & HDMIB_PORT_EN)) { + /*request rpm idle*/ + if(dev_priv->rpm_enabled) + pm_request_idle(&dev->pdev->dev); + } + /* + * if rpm wasn't enabled yet, try to allow it + * FIXME: won't enable rpm for DPI since DPI + * CRTC setting is a little messy now. + * Enable it later! + */ +#if 0 + if(!dev_priv->rpm_enabled && !mdfld_panel_dpi(dev)) + ospm_runtime_pm_allow(dev); +#endif +#endif +} + +static struct drm_encoder * mdfld_dsi_connector_best_encoder( + struct drm_connector * connector) +{ + struct psb_intel_output * psb_output = to_psb_intel_output(connector); + struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); + struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); + struct mdfld_dsi_encoder * encoder = NULL; + + if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) + encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DBI]; + else if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) + encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DPI]; + + dev_dbg(connector->dev->dev, "get encoder %p\n", encoder); + + if(!encoder) { + dev_err(connector->dev->dev, + "Invalid encoder for type %d\n", dsi_config->type); + return NULL; + } + dsi_config->encoder = encoder; + return &encoder->base; +} + +/* DSI connector funcs */ +static const struct drm_connector_funcs mdfld_dsi_connector_funcs = { + .dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms, + .save = mdfld_dsi_connector_save, + .restore = mdfld_dsi_connector_restore, + .detect = mdfld_dsi_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = mdfld_dsi_connector_set_property, + .destroy = mdfld_dsi_connector_destroy, +}; + +/* DSI connector helper funcs */ +static const struct drm_connector_helper_funcs mdfld_dsi_connector_helper_funcs = { + .get_modes = mdfld_dsi_connector_get_modes, + .mode_valid = mdfld_dsi_connector_mode_valid, + .best_encoder = mdfld_dsi_connector_best_encoder, +}; + +static int mdfld_dsi_get_default_config(struct drm_device * dev, + struct mdfld_dsi_config * config, int pipe) +{ + if(!dev || !config) { + WARN_ON(1); + return -EINVAL; + } + + config->bpp = 24; + config->type = mdfld_panel_dpi(dev); + config->lane_count = 2; + config->channel_num = 0; + /*NOTE: video mode is ignored when type is MDFLD_DSI_ENCODER_DBI*/ + if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { + config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE; + } else { + config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE; + } + + return 0; +} + +/* + * Returns the panel fixed mode from configuration. + */ +struct drm_display_mode * +mdfld_dsi_get_configuration_mode(struct mdfld_dsi_config * dsi_config, int pipe) +{ + struct drm_device *dev = dsi_config->dev; + struct drm_display_mode *mode; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; + bool use_gct = false; + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) { + dev_err(dev->dev, "Out of memory for mode\n"); + return NULL; + } + if (use_gct) { + dev_dbg(dev->dev, "gct find MIPI panel.\n"); + + mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; + mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; + mode->hsync_start = mode->hdisplay + \ + ((ti->hsync_offset_hi << 8) | \ + ti->hsync_offset_lo); + mode->hsync_end = mode->hsync_start + \ + ((ti->hsync_pulse_width_hi << 8) | \ + ti->hsync_pulse_width_lo); + mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ + ti->hblank_lo); + mode->vsync_start = \ + mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ + ti->vsync_offset_lo); + mode->vsync_end = \ + mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ + ti->vsync_pulse_width_lo); + mode->vtotal = mode->vdisplay + \ + ((ti->vblank_hi << 8) | ti->vblank_lo); + mode->clock = ti->pixel_clock * 10; + + dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); + dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); + dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); + dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); + dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); + dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); + dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); + dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); + dev_dbg(dev->dev, "clock is %d\n", mode->clock); + } else { + if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { + if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { + mode->hdisplay = 480; + mode->vdisplay = 854; + mode->hsync_start = 487; + mode->hsync_end = 490; + mode->htotal = 499; + mode->vsync_start = 861; + mode->vsync_end = 865; + mode->vtotal = 873; + mode->clock = 33264; + } else { + mode->hdisplay = 864; + mode->vdisplay = 480; + mode->hsync_start = 873; + mode->hsync_end = 876; + mode->htotal = 887; + mode->vsync_start = 487; + mode->vsync_end = 490; + mode->vtotal = 499; + mode->clock = 33264; + } + } else if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) { + mode->hdisplay = 864; + mode->vdisplay = 480; + mode->hsync_start = 872; + mode->hsync_end = 876; + mode->htotal = 884; + mode->vsync_start = 482; + mode->vsync_end = 494; + mode->vtotal = 486; + mode->clock = 25777; + + } + } + + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + mode->type |= DRM_MODE_TYPE_PREFERRED; + + return mode; +} + +/* + * MIPI output init + * @dev drm device + * @pipe pipe number. 0 or 2 + * @config + * + * Do the initialization of a MIPI output, including create DRM mode objects + * initialization of DSI output on @pipe + */ +void mdfld_dsi_output_init(struct drm_device * dev, + int pipe, + struct mdfld_dsi_config * config, + struct panel_funcs* p_cmd_funcs, + struct panel_funcs* p_vid_funcs) +{ + struct mdfld_dsi_config * dsi_config; + struct mdfld_dsi_connector * dsi_connector; + struct psb_intel_output * psb_output; + struct drm_connector * connector; + struct mdfld_dsi_encoder * encoder; + struct drm_psb_private * dev_priv = dev->dev_private; + struct panel_info dsi_panel_info; + u32 width_mm, height_mm; + + dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe); + + if(!dev || ((pipe != 0) && (pipe != 2))) { + WARN_ON(1); + return; + } + + /*create a new connetor*/ + dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL); + if(!dsi_connector) { + DRM_ERROR("No memory"); + return; + } + + dsi_connector->pipe = pipe; + + /*set DSI config*/ + if(config) { + dsi_config = config; + } else { + dsi_config = kzalloc(sizeof(struct mdfld_dsi_config), GFP_KERNEL); + if(!dsi_config) { + dev_err(dev->dev, + "cannot allocate memory for DSI config\n"); + goto dsi_init_err0; + } + + mdfld_dsi_get_default_config(dev, dsi_config, pipe); + } + + dsi_connector->private = dsi_config; + + dsi_config->changed = 1; + dsi_config->dev = dev; + + /*init fixed mode basing on DSI config type*/ + if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) { + dsi_config->fixed_mode = p_cmd_funcs->get_config_mode(dev); + if(p_cmd_funcs->get_panel_info(dev, pipe, &dsi_panel_info)) + goto dsi_init_err0; + } else if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { + dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev); + if(p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info)) + goto dsi_init_err0; + } + + width_mm = dsi_panel_info.width_mm; + height_mm = dsi_panel_info.height_mm; + + dsi_config->mode = dsi_config->fixed_mode; + dsi_config->connector = dsi_connector; + + if(!dsi_config->fixed_mode) { + dev_err(dev->dev, "No pannel fixed mode was found\n"); + goto dsi_init_err0; + } + + if(pipe && dev_priv->dsi_configs[0]) { + dsi_config->dvr_ic_inited = 0; + dev_priv->dsi_configs[1] = dsi_config; + } else if(pipe == 0) { + dsi_config->dvr_ic_inited = 1; + dev_priv->dsi_configs[0] = dsi_config; + } else { + dev_err(dev->dev, "Trying to init MIPI1 before MIPI0\n"); + goto dsi_init_err0; + } + + /*init drm connector object*/ + psb_output = &dsi_connector->base; + + psb_output->type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2; + + connector = &psb_output->base; + drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs, DRM_MODE_CONNECTOR_MIPI); + drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs); + + connector->display_info.subpixel_order = SubPixelHorizontalRGB; + connector->display_info.width_mm = width_mm; + connector->display_info.height_mm = height_mm; + connector->interlace_allowed = false; + connector->doublescan_allowed = false; + + /*attach properties*/ + drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); + drm_connector_attach_property(connector, dev_priv->backlight_property, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL); + + /*init DBI & DPI encoders*/ + if(p_cmd_funcs) { + encoder = mdfld_dsi_dbi_init(dev, dsi_connector, p_cmd_funcs); + if(!encoder) { + dev_err(dev->dev, "Create DBI encoder failed\n"); + goto dsi_init_err1; + } + encoder->private = dsi_config; + dsi_config->encoders[MDFLD_DSI_ENCODER_DBI] = encoder; + if(pipe == 2) + dev_priv->encoder2 = encoder; + + if(pipe == 0) + dev_priv->encoder0 = encoder; + + } + + if(p_vid_funcs) { + encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs); + if(!encoder) { + dev_err(dev->dev, "Create DPI encoder failed\n"); + goto dsi_init_err1; + } + encoder->private = dsi_config; + dsi_config->encoders[MDFLD_DSI_ENCODER_DPI] = encoder; + + if(pipe == 2) + dev_priv->encoder2 = encoder; + + if(pipe == 0) + dev_priv->encoder0 = encoder; + } + + drm_sysfs_connector_add(connector); + + /*init DSI package sender on this output*/ + if(mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) { + dev_err(dev->dev, + "Package Sender initialization failed on pipe %d\n", + pipe); + goto dsi_init_err2; + } + + dev_dbg(dev->dev, "successfully\n"); + return; + + /*TODO: add code to destroy outputs on error*/ +dsi_init_err2: + drm_sysfs_connector_remove(connector); +dsi_init_err1: + drm_connector_cleanup(connector); + kfree(dsi_config->fixed_mode); + kfree(dsi_config); +dsi_init_err0: + kfree(dsi_connector); +} diff --git a/drivers/staging/gma500/mdfld_dsi_output.h b/drivers/staging/gma500/mdfld_dsi_output.h new file mode 100644 index 000000000000..ac25e55dd1f3 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_output.h @@ -0,0 +1,328 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#ifndef __MDFLD_DSI_OUTPUT_H__ +#define __MDFLD_DSI_OUTPUT_H__ + +#include +#include +#include +#include +#include +#include + +#include "psb_drv.h" +#include "psb_intel_drv.h" +#include "psb_intel_reg.h" +#include "psb_powermgmt.h" +#include "mdfld_output.h" + +#include + +#define DRM_MODE_ENCODER_MIPI 5 + +/* Medfield DSI controller registers */ + +#define MIPIA_DEVICE_READY_REG 0xb000 +#define MIPIA_INTR_STAT_REG 0xb004 +#define MIPIA_INTR_EN_REG 0xb008 +#define MIPIA_DSI_FUNC_PRG_REG 0xb00c +#define MIPIA_HS_TX_TIMEOUT_REG 0xb010 +#define MIPIA_LP_RX_TIMEOUT_REG 0xb014 +#define MIPIA_TURN_AROUND_TIMEOUT_REG 0xb018 +#define MIPIA_DEVICE_RESET_TIMER_REG 0xb01c +#define MIPIA_DPI_RESOLUTION_REG 0xb020 +#define MIPIA_DBI_FIFO_THROTTLE_REG 0xb024 +#define MIPIA_HSYNC_COUNT_REG 0xb028 +#define MIPIA_HBP_COUNT_REG 0xb02c +#define MIPIA_HFP_COUNT_REG 0xb030 +#define MIPIA_HACTIVE_COUNT_REG 0xb034 +#define MIPIA_VSYNC_COUNT_REG 0xb038 +#define MIPIA_VBP_COUNT_REG 0xb03c +#define MIPIA_VFP_COUNT_REG 0xb040 +#define MIPIA_HIGH_LOW_SWITCH_COUNT_REG 0xb044 +#define MIPIA_DPI_CONTROL_REG 0xb048 +#define MIPIA_DPI_DATA_REG 0xb04c +#define MIPIA_INIT_COUNT_REG 0xb050 +#define MIPIA_MAX_RETURN_PACK_SIZE_REG 0xb054 +#define MIPIA_VIDEO_MODE_FORMAT_REG 0xb058 +#define MIPIA_EOT_DISABLE_REG 0xb05c +#define MIPIA_LP_BYTECLK_REG 0xb060 +#define MIPIA_LP_GEN_DATA_REG 0xb064 +#define MIPIA_HS_GEN_DATA_REG 0xb068 +#define MIPIA_LP_GEN_CTRL_REG 0xb06c +#define MIPIA_HS_GEN_CTRL_REG 0xb070 +#define MIPIA_GEN_FIFO_STAT_REG 0xb074 +#define MIPIA_HS_LS_DBI_ENABLE_REG 0xb078 +#define MIPIA_DPHY_PARAM_REG 0xb080 +#define MIPIA_DBI_BW_CTRL_REG 0xb084 +#define MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG 0xb088 + +#define DSI_DEVICE_READY (0x1) +#define DSI_POWER_STATE_ULPS_ENTER (0x2 << 1) +#define DSI_POWER_STATE_ULPS_EXIT (0x1 << 1) +#define DSI_POWER_STATE_ULPS_OFFSET (0x1) + + +#define DSI_ONE_DATA_LANE (0x1) +#define DSI_TWO_DATA_LANE (0x2) +#define DSI_THREE_DATA_LANE (0X3) +#define DSI_FOUR_DATA_LANE (0x4) +#define DSI_DPI_VIRT_CHANNEL_OFFSET (0x3) +#define DSI_DBI_VIRT_CHANNEL_OFFSET (0x5) +#define DSI_DPI_COLOR_FORMAT_RGB565 (0x01 << 7) +#define DSI_DPI_COLOR_FORMAT_RGB666 (0x02 << 7) +#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK (0x03 << 7) +#define DSI_DPI_COLOR_FORMAT_RGB888 (0x04 << 7) +#define DSI_DBI_COLOR_FORMAT_OPTION2 (0x05 << 13) + +#define DSI_INTR_STATE_RXSOTERROR 1 + +#define DSI_INTR_STATE_SPL_PKG_SENT (1 << 30) +#define DSI_INTR_STATE_TE (1 << 31) + +#define DSI_HS_TX_TIMEOUT_MASK (0xffffff) + +#define DSI_LP_RX_TIMEOUT_MASK (0xffffff) + +#define DSI_TURN_AROUND_TIMEOUT_MASK (0x3f) + +#define DSI_RESET_TIMER_MASK (0xffff) + +#define DSI_DBI_FIFO_WM_HALF (0x0) +#define DSI_DBI_FIFO_WM_QUARTER (0x1) +#define DSI_DBI_FIFO_WM_LOW (0x2) + +#define DSI_DPI_TIMING_MASK (0xffff) + +#define DSI_INIT_TIMER_MASK (0xffff) + +#define DSI_DBI_RETURN_PACK_SIZE_MASK (0x3ff) + +#define DSI_LP_BYTECLK_MASK (0x0ffff) + +#define DSI_HS_CTRL_GEN_SHORT_W0 (0x03) +#define DSI_HS_CTRL_GEN_SHORT_W1 (0x13) +#define DSI_HS_CTRL_GEN_SHORT_W2 (0x23) +#define DSI_HS_CTRL_GEN_R0 (0x04) +#define DSI_HS_CTRL_GEN_R1 (0x14) +#define DSI_HS_CTRL_GEN_R2 (0x24) +#define DSI_HS_CTRL_GEN_LONG_W (0x29) +#define DSI_HS_CTRL_MCS_SHORT_W0 (0x05) +#define DSI_HS_CTRL_MCS_SHORT_W1 (0x15) +#define DSI_HS_CTRL_MCS_R0 (0x06) +#define DSI_HS_CTRL_MCS_LONG_W (0x39) +#define DSI_HS_CTRL_VC_OFFSET (0x06) +#define DSI_HS_CTRL_WC_OFFSET (0x08) + +#define DSI_FIFO_GEN_HS_DATA_FULL (1 << 0) +#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY (1 << 1) +#define DSI_FIFO_GEN_HS_DATA_EMPTY (1 << 2) +#define DSI_FIFO_GEN_LP_DATA_FULL (1 << 8) +#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY (1 << 9) +#define DSI_FIFO_GEN_LP_DATA_EMPTY (1 << 10) +#define DSI_FIFO_GEN_HS_CTRL_FULL (1 << 16) +#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY (1 << 17) +#define DSI_FIFO_GEN_HS_CTRL_EMPTY (1 << 18) +#define DSI_FIFO_GEN_LP_CTRL_FULL (1 << 24) +#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY (1 << 25) +#define DSI_FIFO_GEN_LP_CTRL_EMPTY (1 << 26) +#define DSI_FIFO_DBI_EMPTY (1 << 27) +#define DSI_FIFO_DPI_EMPTY (1 << 28) + +#define DSI_DBI_HS_LP_SWITCH_MASK (0x1) + +#define DSI_HS_LP_SWITCH_COUNTER_OFFSET (0x0) +#define DSI_LP_HS_SWITCH_COUNTER_OFFSET (0x16) + +#define DSI_DPI_CTRL_HS_SHUTDOWN (0x00000001) +#define DSI_DPI_CTRL_HS_TURN_ON (0x00000002) + +/* Medfield DSI adapter registers */ +#define MIPIA_CONTROL_REG 0xb104 +#define MIPIA_DATA_ADD_REG 0xb108 +#define MIPIA_DATA_LEN_REG 0xb10c +#define MIPIA_CMD_ADD_REG 0xb110 +#define MIPIA_CMD_LEN_REG 0xb114 + +enum { + MDFLD_DSI_ENCODER_DBI = 0, + MDFLD_DSI_ENCODER_DPI, +}; + +enum { + MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1, + MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2, + MDFLD_DSI_VIDEO_BURST_MODE = 3, +}; + +#define DSI_DPI_COMPLETE_LAST_LINE (1 << 2) +#define DSI_DPI_DISABLE_BTA (1 << 3) + +struct mdfld_dsi_connector_state { + u32 mipi_ctrl_reg; +}; + +struct mdfld_dsi_encoder_state { + +}; + +struct mdfld_dsi_connector { + /* + * This is ugly, but I have to use connector in it! :-( + * FIXME: use drm_connector instead. + */ + struct psb_intel_output base; + + int pipe; + void *private; + void *pkg_sender; +}; + +struct mdfld_dsi_encoder { + struct drm_encoder base; + void *private; +}; + +/* + * DSI config, consists of one DSI connector, two DSI encoders. + * DRM will pick up on DSI encoder basing on differents configs. + */ +struct mdfld_dsi_config { + struct drm_device *dev; + struct drm_display_mode *fixed_mode; + struct drm_display_mode *mode; + + struct mdfld_dsi_connector *connector; + struct mdfld_dsi_encoder *encoders[DRM_CONNECTOR_MAX_ENCODER]; + struct mdfld_dsi_encoder *encoder; + + int changed; + + int bpp; + int type; + int lane_count; + /*Virtual channel number for this encoder*/ + int channel_num; + /*video mode configure*/ + int video_mode; + + int dvr_ic_inited; +}; + +#define MDFLD_DSI_CONNECTOR(psb_output) \ + (container_of(psb_output, struct mdfld_dsi_connector, base)) + +#define MDFLD_DSI_ENCODER(encoder) \ + (container_of(encoder, struct mdfld_dsi_encoder, base)) + +static inline struct mdfld_dsi_config * + mdfld_dsi_get_config(struct mdfld_dsi_connector *connector) +{ + if (!connector) + return NULL; + return (struct mdfld_dsi_config *)connector->private; +} + +static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config) +{ + struct mdfld_dsi_connector *dsi_connector; + + if (!config) + return NULL; + + dsi_connector = config->connector; + + if (!dsi_connector) + return NULL; + + return dsi_connector->pkg_sender; +} + +static inline struct mdfld_dsi_config * + mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder) +{ + if (!encoder) + return NULL; + return (struct mdfld_dsi_config *)encoder->private; +} + +static inline struct mdfld_dsi_connector * + mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder) +{ + struct mdfld_dsi_config *config; + + if (!encoder) + return NULL; + + config = mdfld_dsi_encoder_get_config(encoder); + if (!config) + return NULL; + + return config->connector; +} + +static inline void *mdfld_dsi_encoder_get_pkg_sender( + struct mdfld_dsi_encoder *encoder) +{ + struct mdfld_dsi_config *dsi_config; + + dsi_config = mdfld_dsi_encoder_get_config(encoder); + if (!dsi_config) + return NULL; + + return mdfld_dsi_get_pkg_sender(dsi_config); +} + +static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder) +{ + struct mdfld_dsi_connector *connector; + + if (!encoder) + return -1; + + connector = mdfld_dsi_encoder_get_connector(encoder); + if (!connector) + return -1; + + return connector->pipe; +} + +extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, + u32 gen_fifo_stat_reg, u32 fifo_stat); +extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, + int pipe); +extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, + int level); +extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe, + struct mdfld_dsi_config *config, + struct panel_funcs *p_cmd_funcs, + struct panel_funcs *p_vid_funcs); +extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, + int pipe); + +#endif /*__MDFLD_DSI_OUTPUT_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c new file mode 100644 index 000000000000..9198aa8f3b6a --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c @@ -0,0 +1,1097 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jackie Li + */ + +#include + +#include "mdfld_dsi_output.h" +#include "mdfld_dsi_pkg_sender.h" +#include "mdfld_dsi_dbi.h" + +#define MDFLD_DSI_DBI_FIFO_TIMEOUT 100 + +static const char * const dsi_errors[] = { + "RX SOT Error", + "RX SOT Sync Error", + "RX EOT Sync Error", + "RX Escape Mode Entry Error", + "RX LP TX Sync Error", + "RX HS Receive Timeout Error", + "RX False Control Error", + "RX ECC Single Bit Error", + "RX ECC Multibit Error", + "RX Checksum Error", + "RX DSI Data Type Not Recognised", + "RX DSI VC ID Invalid", + "TX False Control Error", + "TX ECC Single Bit Error", + "TX ECC Multibit Error", + "TX Checksum Error", + "TX DSI Data Type Not Recognised", + "TX DSI VC ID invalid", + "High Contention", + "Low contention", + "DPI FIFO Under run", + "HS TX Timeout", + "LP RX Timeout", + "Turn Around ACK Timeout", + "ACK With No Error", + "RX Invalid TX Length", + "RX Prot Violation", + "HS Generic Write FIFO Full", + "LP Generic Write FIFO Full", + "Generic Read Data Avail" + "Special Packet Sent", + "Tearing Effect", +}; + +static int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender, + u32 mask) +{ + struct drm_device *dev = sender->dev; + u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg; + int retry = 0xffff; + + while (retry--) { + if ((mask & REG_READ(gen_fifo_stat_reg)) == mask) + return 0; + udelay(100); + } + dev_err(dev->dev, "fifo is NOT empty 0x%08x\n", + REG_READ(gen_fifo_stat_reg)); + return -EIO; +} + +static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender) +{ + return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 10) | (1 << 18) + | (1 << 26) | (1 << 27) | (1 << 28)); +} + +static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender) +{ + return wait_for_gen_fifo_empty(sender, (1 << 10) | (1 << 26)); +} + +static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender) +{ + return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 18)); +} + +static int wait_for_dbi_fifo_empty(struct mdfld_dsi_pkg_sender *sender) +{ + return wait_for_gen_fifo_empty(sender, (1 << 27)); +} + +static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask) +{ + u32 intr_stat_reg = sender->mipi_intr_stat_reg; + struct drm_device *dev = sender->dev; + + switch (mask) { + case (1 << 0): + case (1 << 1): + case (1 << 2): + case (1 << 3): + case (1 << 4): + case (1 << 5): + case (1 << 6): + case (1 << 7): + case (1 << 8): + case (1 << 9): + case (1 << 10): + case (1 << 11): + case (1 << 12): + case (1 << 13): + break; + case (1 << 14): + /*wait for all fifo empty*/ + /*wait_for_all_fifos_empty(sender)*/; + break; + case (1 << 15): + break; + case (1 << 16): + break; + case (1 << 17): + break; + case (1 << 18): + case (1 << 19): + /*wait for contention recovery time*/ + /*mdelay(10);*/ + /*wait for all fifo empty*/ + if (0) + wait_for_all_fifos_empty(sender); + break; + case (1 << 20): + break; + case (1 << 21): + /*wait for all fifo empty*/ + /*wait_for_all_fifos_empty(sender);*/ + break; + case (1 << 22): + break; + case (1 << 23): + case (1 << 24): + case (1 << 25): + case (1 << 26): + case (1 << 27): + /* HS Gen fifo full */ + REG_WRITE(intr_stat_reg, mask); + wait_for_hs_fifos_empty(sender); + break; + case (1 << 28): + /* LP Gen fifo full\n */ + REG_WRITE(intr_stat_reg, mask); + wait_for_lp_fifos_empty(sender); + break; + case (1 << 29): + case (1 << 30): + case (1 << 31): + break; + } + + if (mask & REG_READ(intr_stat_reg)) + dev_warn(dev->dev, "Cannot clean interrupt 0x%08x\n", mask); + + return 0; +} + +static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender) +{ + struct drm_device *dev = sender->dev; + u32 intr_stat_reg = sender->mipi_intr_stat_reg; + u32 mask; + u32 intr_stat; + int i; + int err = 0; + + intr_stat = REG_READ(intr_stat_reg); + + for (i = 0; i < 32; i++) { + mask = (0x00000001UL) << i; + if (intr_stat & mask) { + dev_dbg(dev->dev, "[DSI]: %s\n", dsi_errors[i]); + err = handle_dsi_error(sender, mask); + if (err) + dev_err(dev->dev, "Cannot handle error\n"); + } + } + return err; +} + +static inline int dbi_cmd_sent(struct mdfld_dsi_pkg_sender *sender) +{ + struct drm_device *dev = sender->dev; + u32 retry = 0xffff; + u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg; + + /* Query the command execution status */ + while (retry--) { + if (!(REG_READ(dbi_cmd_addr_reg) & (1 << 0))) + break; + } + + if (!retry) { + dev_err(dev->dev, "Timeout waiting for DBI Command status\n"); + return -EAGAIN; + } + return 0; +} + +/* + * NOTE: this interface is abandoned expect for write_mem_start DCS + * other DCS are sent via generic pkg interfaces + */ +static int send_dcs_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + struct drm_device *dev = sender->dev; + struct mdfld_dsi_dcs_pkg *dcs_pkg = &pkg->pkg.dcs_pkg; + u32 dbi_cmd_len_reg = sender->mipi_cmd_len_reg; + u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg; + u32 cb_phy = sender->dbi_cb_phy; + u32 index = 0; + u8 *cb = (u8 *)sender->dbi_cb_addr; + int i; + int ret; + + if (!sender->dbi_pkg_support) { + dev_err(dev->dev, "Trying to send DCS on a non DBI output, abort!\n"); + return -ENOTSUPP; + } + + /*wait for DBI fifo empty*/ + wait_for_dbi_fifo_empty(sender); + + *(cb + (index++)) = dcs_pkg->cmd; + if (dcs_pkg->param_num) { + for (i = 0; i < dcs_pkg->param_num; i++) + *(cb + (index++)) = *(dcs_pkg->param + i); + } + + REG_WRITE(dbi_cmd_len_reg, (1 + dcs_pkg->param_num)); + REG_WRITE(dbi_cmd_addr_reg, + (cb_phy << CMD_MEM_ADDR_OFFSET) + | (1 << 0) + | ((dcs_pkg->data_src == CMD_DATA_SRC_PIPE) ? (1 << 1) : 0)); + + ret = dbi_cmd_sent(sender); + if (ret) { + dev_err(dev->dev, "command 0x%x not complete\n", dcs_pkg->cmd); + return -EAGAIN; + } + return 0; +} + +static int __send_short_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + struct drm_device *dev = sender->dev; + u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg; + u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg; + u32 gen_ctrl_val = 0; + struct mdfld_dsi_gen_short_pkg *short_pkg = &pkg->pkg.short_pkg; + + gen_ctrl_val |= short_pkg->cmd << MCS_COMMANDS_POS; + gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS; + gen_ctrl_val |= pkg->pkg_type; + gen_ctrl_val |= short_pkg->param << MCS_PARAMETER_POS; + + if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) { + /* wait for hs fifo empty */ + /* wait_for_hs_fifos_empty(sender); */ + /* Send pkg */ + REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val); + } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) { + /* wait_for_lp_fifos_empty(sender); */ + /* Send pkg*/ + REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val); + } else { + dev_err(dev->dev, "Unknown transmission type %d\n", + pkg->transmission_type); + return -EINVAL; + } + + return 0; +} + +static int __send_long_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + struct drm_device *dev = sender->dev; + u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg; + u32 hs_gen_data_reg = sender->mipi_hs_gen_data_reg; + u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg; + u32 lp_gen_data_reg = sender->mipi_lp_gen_data_reg; + u32 gen_ctrl_val = 0; + u32 *dp; + int i; + struct mdfld_dsi_gen_long_pkg *long_pkg = &pkg->pkg.long_pkg; + + dp = long_pkg->data; + + /* + * Set up word count for long pkg + * FIXME: double check word count field. + * currently, using the byte counts of the payload as the word count. + * ------------------------------------------------------------ + * | DI | WC | ECC| PAYLOAD |CHECKSUM| + * ------------------------------------------------------------ + */ + gen_ctrl_val |= (long_pkg->len << 2) << WORD_COUNTS_POS; + gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS; + gen_ctrl_val |= pkg->pkg_type; + + if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) { + /* Wait for hs ctrl and data fifos to be empty */ + /* wait_for_hs_fifos_empty(sender); */ + for (i = 0; i < long_pkg->len; i++) + REG_WRITE(hs_gen_data_reg, *(dp + i)); + REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val); + } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) { + /* wait_for_lp_fifos_empty(sender); */ + for (i = 0; i < long_pkg->len; i++) + REG_WRITE(lp_gen_data_reg, *(dp + i)); + REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val); + } else { + dev_err(dev->dev, "Unknown transmission type %d\n", + pkg->transmission_type); + return -EINVAL; + } + + return 0; + +} + +static int send_mcs_short_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + return __send_short_pkg(sender, pkg); +} + +static int send_mcs_long_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + return __send_long_pkg(sender, pkg); +} + +static int send_gen_short_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + return __send_short_pkg(sender, pkg); +} + +static int send_gen_long_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + return __send_long_pkg(sender, pkg); +} + +static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + u8 cmd; + u8 *data; + + switch (pkg->pkg_type) { + case MDFLD_DSI_PKG_DCS: + cmd = pkg->pkg.dcs_pkg.cmd; + break; + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: + cmd = pkg->pkg.short_pkg.cmd; + break; + case MDFLD_DSI_PKG_MCS_LONG_WRITE: + data = (u8 *)pkg->pkg.long_pkg.data; + cmd = *data; + break; + default: + return 0; + } + + /* This prevents other package sending while doing msleep */ + sender->status = MDFLD_DSI_PKG_SENDER_BUSY; + + /* Check panel mode v.s. sending command */ + if ((sender->panel_mode & MDFLD_DSI_PANEL_MODE_SLEEP) && + cmd != exit_sleep_mode) { + dev_err(sender->dev->dev, + "sending 0x%x when panel sleep in\n", cmd); + sender->status = MDFLD_DSI_PKG_SENDER_FREE; + return -EINVAL; + } + + /* Wait for 120 milliseconds in case exit_sleep_mode just be sent */ + if (cmd == enter_sleep_mode) + mdelay(120); + return 0; +} + +static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + u8 cmd; + u8 *data; + + switch (pkg->pkg_type) { + case MDFLD_DSI_PKG_DCS: + cmd = pkg->pkg.dcs_pkg.cmd; + break; + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: + cmd = pkg->pkg.short_pkg.cmd; + break; + case MDFLD_DSI_PKG_MCS_LONG_WRITE: + data = (u8 *)pkg->pkg.long_pkg.data; + cmd = *data; + break; + default: + return 0; + } + + /* Update panel status */ + if (cmd == enter_sleep_mode) { + sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP; + /*TODO: replace it with msleep later*/ + mdelay(120); + } else if (cmd == exit_sleep_mode) { + sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP; + /*TODO: replace it with msleep later*/ + mdelay(120); + } + + sender->status = MDFLD_DSI_PKG_SENDER_FREE; + return 0; + +} + +static int do_send_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + int ret; + + if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) { + dev_err(sender->dev->dev, "sender is busy\n"); + return -EAGAIN; + } + + ret = send_pkg_prepare(sender, pkg); + if (ret) { + dev_err(sender->dev->dev, "send_pkg_prepare error\n"); + return ret; + } + + switch (pkg->pkg_type) { + case MDFLD_DSI_PKG_DCS: + ret = send_dcs_pkg(sender, pkg); + break; + case MDFLD_DSI_PKG_GEN_SHORT_WRITE_0: + case MDFLD_DSI_PKG_GEN_SHORT_WRITE_1: + case MDFLD_DSI_PKG_GEN_SHORT_WRITE_2: + ret = send_gen_short_pkg(sender, pkg); + break; + case MDFLD_DSI_PKG_GEN_LONG_WRITE: + ret = send_gen_long_pkg(sender, pkg); + break; + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: + case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: + ret = send_mcs_short_pkg(sender, pkg); + break; + case MDFLD_DSI_PKG_MCS_LONG_WRITE: + ret = send_mcs_long_pkg(sender, pkg); + break; + default: + dev_err(sender->dev->dev, "Invalid pkg type 0x%x\n", + pkg->pkg_type); + ret = -EINVAL; + } + send_pkg_done(sender, pkg); + return ret; +} + +static int send_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + int err ; + + /* Handle DSI error */ + err = dsi_error_handler(sender); + if (err) { + dev_err(sender->dev->dev, "Error handling failed\n"); + err = -EAGAIN; + goto send_pkg_err; + } + + /* Send pkg */ + err = do_send_pkg(sender, pkg); + if (err) { + dev_err(sender->dev->dev, "sent pkg failed\n"); + err = -EAGAIN; + goto send_pkg_err; + } + + /* FIXME: should I query complete and fifo empty here? */ +send_pkg_err: + return err; +} + +static struct mdfld_dsi_pkg *pkg_sender_get_pkg_locked( + struct mdfld_dsi_pkg_sender *sender) +{ + struct mdfld_dsi_pkg *pkg; + + if (list_empty(&sender->free_list)) { + dev_err(sender->dev->dev, "No free pkg left\n"); + return NULL; + } + pkg = list_first_entry(&sender->free_list, struct mdfld_dsi_pkg, entry); + /* Detach from free list */ + list_del_init(&pkg->entry); + return pkg; +} + +static void pkg_sender_put_pkg_locked(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg) +{ + memset(pkg, 0, sizeof(struct mdfld_dsi_pkg)); + INIT_LIST_HEAD(&pkg->entry); + list_add_tail(&pkg->entry, &sender->free_list); +} + +static int mdfld_dbi_cb_init(struct mdfld_dsi_pkg_sender *sender, + struct psb_gtt *pg, int pipe) +{ + unsigned long phys; + void *virt_addr = NULL; + + switch (pipe) { + case 0: + phys = pg->gtt_phys_start - 0x1000; + break; + case 2: + phys = pg->gtt_phys_start - 0x800; + break; + default: + dev_err(sender->dev->dev, "Unsupported channel %d\n", pipe); + return -EINVAL; + } + + virt_addr = ioremap_nocache(phys, 0x800); + if (!virt_addr) { + dev_err(sender->dev->dev, "Map DBI command buffer error\n"); + return -ENOMEM; + } + sender->dbi_cb_phy = phys; + sender->dbi_cb_addr = virt_addr; + return 0; +} + +static void mdfld_dbi_cb_destroy(struct mdfld_dsi_pkg_sender *sender) +{ + if (sender && sender->dbi_cb_addr) + iounmap(sender->dbi_cb_addr); +} + +static void pkg_sender_queue_pkg(struct mdfld_dsi_pkg_sender *sender, + struct mdfld_dsi_pkg *pkg, + int delay) +{ + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + + if (!delay) { + send_pkg(sender, pkg); + pkg_sender_put_pkg_locked(sender, pkg); + } else { + /* Queue it */ + list_add_tail(&pkg->entry, &sender->pkg_list); + } + spin_unlock_irqrestore(&sender->lock, flags); +} + +static void process_pkg_list(struct mdfld_dsi_pkg_sender *sender) +{ + struct mdfld_dsi_pkg *pkg; + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + + while (!list_empty(&sender->pkg_list)) { + pkg = list_first_entry(&sender->pkg_list, + struct mdfld_dsi_pkg, entry); + send_pkg(sender, pkg); + list_del_init(&pkg->entry); + pkg_sender_put_pkg_locked(sender, pkg); + } + + spin_unlock_irqrestore(&sender->lock, flags); +} + +static int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, u8 transmission, int delay) +{ + struct mdfld_dsi_pkg *pkg; + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + pkg = pkg_sender_get_pkg_locked(sender); + spin_unlock_irqrestore(&sender->lock, flags); + + if (!pkg) { + dev_err(sender->dev->dev, "No memory\n"); + return -ENOMEM; + } + pkg->pkg_type = MDFLD_DSI_PKG_MCS_LONG_WRITE; + pkg->transmission_type = transmission; + pkg->pkg.long_pkg.data = data; + pkg->pkg.long_pkg.len = len; + INIT_LIST_HEAD(&pkg->entry); + + pkg_sender_queue_pkg(sender, pkg, delay); + return 0; +} + +static int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, + u8 cmd, u8 param, u8 param_num, + u8 transmission, + int delay) +{ + struct mdfld_dsi_pkg *pkg; + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + pkg = pkg_sender_get_pkg_locked(sender); + spin_unlock_irqrestore(&sender->lock, flags); + + if (!pkg) { + dev_err(sender->dev->dev, "No memory\n"); + return -ENOMEM; + } + + if (param_num) { + pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_1; + pkg->pkg.short_pkg.param = param; + } else { + pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_0; + pkg->pkg.short_pkg.param = 0; + } + pkg->transmission_type = transmission; + pkg->pkg.short_pkg.cmd = cmd; + INIT_LIST_HEAD(&pkg->entry); + + pkg_sender_queue_pkg(sender, pkg, delay); + return 0; +} + +static int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, + u8 param0, u8 param1, u8 param_num, + u8 transmission, + int delay) +{ + struct mdfld_dsi_pkg *pkg; + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + pkg = pkg_sender_get_pkg_locked(sender); + spin_unlock_irqrestore(&sender->lock, flags); + + if (!pkg) { + dev_err(sender->dev->dev, "No pkg memory\n"); + return -ENOMEM; + } + + switch (param_num) { + case 0: + pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_0; + pkg->pkg.short_pkg.cmd = 0; + pkg->pkg.short_pkg.param = 0; + break; + case 1: + pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_1; + pkg->pkg.short_pkg.cmd = param0; + pkg->pkg.short_pkg.param = 0; + break; + case 2: + pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_2; + pkg->pkg.short_pkg.cmd = param0; + pkg->pkg.short_pkg.param = param1; + break; + } + + pkg->transmission_type = transmission; + INIT_LIST_HEAD(&pkg->entry); + + pkg_sender_queue_pkg(sender, pkg, delay); + return 0; +} + +static int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, u8 transmission, int delay) +{ + struct mdfld_dsi_pkg *pkg; + unsigned long flags; + + spin_lock_irqsave(&sender->lock, flags); + pkg = pkg_sender_get_pkg_locked(sender); + spin_unlock_irqrestore(&sender->lock, flags); + + if (!pkg) { + dev_err(sender->dev->dev, "No pkg memory\n"); + return -ENOMEM; + } + + pkg->pkg_type = MDFLD_DSI_PKG_GEN_LONG_WRITE; + pkg->transmission_type = transmission; + pkg->pkg.long_pkg.data = data; + pkg->pkg.long_pkg.len = len; + + INIT_LIST_HEAD(&pkg->entry); + + pkg_sender_queue_pkg(sender, pkg, delay); + + return 0; +} + +void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender) +{ + process_pkg_list(sender); +} + +int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, + u8 dcs, u8 *param, u32 param_num, u8 data_src, + int delay) +{ + struct mdfld_dsi_pkg *pkg; + u32 cb_phy = sender->dbi_cb_phy; + struct drm_device *dev = sender->dev; + u32 index = 0; + u8 *cb = (u8 *)sender->dbi_cb_addr; + unsigned long flags; + int retry; + u8 *dst = NULL; + u32 len; + + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + + if (!sender->dbi_pkg_support) { + dev_err(dev->dev, "No DBI pkg sending on this sender\n"); + return -ENOTSUPP; + } + + if (param_num > MDFLD_MAX_DCS_PARAM) { + dev_err(dev->dev, "Sender only supports up to %d DCS params\n", + MDFLD_MAX_DCS_PARAM); + return -EINVAL; + } + + /* + * If dcs is write_mem_start, send it directly using DSI adapter + * interface + */ + if (dcs == write_mem_start) { + if (!spin_trylock(&sender->lock)) + return -EAGAIN; + + /* + * query whether DBI FIFO is empty, + * if not wait it becoming empty + */ + retry = MDFLD_DSI_DBI_FIFO_TIMEOUT; + while (retry && + !(REG_READ(sender->mipi_gen_fifo_stat_reg) & (1 << 27))) { + udelay(500); + retry--; + } + + /* If DBI FIFO timeout, drop this frame */ + if (!retry) { + spin_unlock(&sender->lock); + return 0; + } + + *(cb + (index++)) = write_mem_start; + + REG_WRITE(sender->mipi_cmd_len_reg, 1); + REG_WRITE(sender->mipi_cmd_addr_reg, + cb_phy | (1 << 0) | (1 << 1)); + + retry = MDFLD_DSI_DBI_FIFO_TIMEOUT; + while (retry && + (REG_READ(sender->mipi_cmd_addr_reg) & (1 << 0))) { + udelay(1); + retry--; + } + + spin_unlock(&sender->lock); + return 0; + } + + /* Get a free pkg */ + spin_lock_irqsave(&sender->lock, flags); + pkg = pkg_sender_get_pkg_locked(sender); + spin_unlock_irqrestore(&sender->lock, flags); + + if (!pkg) { + dev_err(dev->dev, "No packages memory\n"); + return -ENOMEM; + } + + dst = pkg->pkg.dcs_pkg.param; + memcpy(dst, param, param_num); + + pkg->pkg_type = MDFLD_DSI_PKG_DCS; + pkg->transmission_type = MDFLD_DSI_DCS; + pkg->pkg.dcs_pkg.cmd = dcs; + pkg->pkg.dcs_pkg.param_num = param_num; + pkg->pkg.dcs_pkg.data_src = data_src; + + INIT_LIST_HEAD(&pkg->entry); + + if (param_num == 0) + return mdfld_dsi_send_mcs_short_hs(sender, dcs, 0, 0, delay); + else if (param_num == 1) + return mdfld_dsi_send_mcs_short_hs(sender, dcs, + param[0], 1, delay); + else if (param_num > 1) { + len = (param_num + 1) / 4; + if ((param_num + 1) % 4) + len++; + return mdfld_dsi_send_mcs_long_hs(sender, + (u32 *)&pkg->pkg.dcs_pkg, len, delay); + } + return 0; +} + +int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender, + u8 cmd, u8 param, u8 param_num, int delay) +{ + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num, + MDFLD_DSI_HS_TRANSMISSION, delay); +} + +int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender, + u8 cmd, u8 param, u8 param_num, int delay) +{ + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num, + MDFLD_DSI_LP_TRANSMISSION, delay); +} + +int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender, + u32 *data, + u32 len, + int delay) +{ + if (!sender || !data || !len) { + DRM_ERROR("Invalid parameters\n"); + return -EINVAL; + } + return mdfld_dsi_send_mcs_long(sender, data, len, + MDFLD_DSI_HS_TRANSMISSION, delay); +} + +int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender, + u32 *data, + u32 len, + int delay) +{ + if (!sender || !data || !len) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_mcs_long(sender, data, len, + MDFLD_DSI_LP_TRANSMISSION, delay); +} + +int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender, + u8 param0, u8 param1, u8 param_num, int delay) +{ + if (!sender) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_gen_short(sender, param0, param1, param_num, + MDFLD_DSI_HS_TRANSMISSION, delay); +} + +int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender, + u8 param0, u8 param1, u8 param_num, int delay) +{ + if (!sender || param_num < 0 || param_num > 2) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_gen_short(sender, param0, param1, param_num, + MDFLD_DSI_LP_TRANSMISSION, delay); +} + +int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender, + u32 *data, + u32 len, + int delay) +{ + if (!sender || !data || !len) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_gen_long(sender, data, len, + MDFLD_DSI_HS_TRANSMISSION, delay); +} + +int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender, + u32 *data, + u32 len, + int delay) +{ + if (!sender || !data || !len) { + WARN_ON(1); + return -EINVAL; + } + return mdfld_dsi_send_gen_long(sender, data, len, + MDFLD_DSI_LP_TRANSMISSION, delay); +} + +int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector, + int pipe) +{ + int ret; + struct mdfld_dsi_pkg_sender *pkg_sender; + struct mdfld_dsi_config *dsi_config = + mdfld_dsi_get_config(dsi_connector); + struct drm_device *dev = dsi_config->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_gtt *pg = dev_priv->pg; + int i; + struct mdfld_dsi_pkg *pkg, *tmp; + + if (!dsi_connector) { + WARN_ON(1); + return -EINVAL; + } + + pkg_sender = dsi_connector->pkg_sender; + + if (!pkg_sender || IS_ERR(pkg_sender)) { + pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender), + GFP_KERNEL); + if (!pkg_sender) { + dev_err(dev->dev, "Create DSI pkg sender failed\n"); + return -ENOMEM; + } + + dsi_connector->pkg_sender = (void *)pkg_sender; + } + + pkg_sender->dev = dev; + pkg_sender->dsi_connector = dsi_connector; + pkg_sender->pipe = pipe; + pkg_sender->pkg_num = 0; + pkg_sender->panel_mode = 0; + pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE; + + /* Init dbi command buffer*/ + + if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) { + pkg_sender->dbi_pkg_support = 1; + ret = mdfld_dbi_cb_init(pkg_sender, pg, pipe); + if (ret) { + dev_err(dev->dev, "DBI command buffer map failed\n"); + goto mapping_err; + } + } + + /* Init regs */ + if (pipe == 0) { + pkg_sender->dpll_reg = MRST_DPLL_A; + pkg_sender->dspcntr_reg = DSPACNTR; + pkg_sender->pipeconf_reg = PIPEACONF; + pkg_sender->dsplinoff_reg = DSPALINOFF; + pkg_sender->dspsurf_reg = DSPASURF; + pkg_sender->pipestat_reg = PIPEASTAT; + + pkg_sender->mipi_intr_stat_reg = MIPIA_INTR_STAT_REG; + pkg_sender->mipi_lp_gen_data_reg = MIPIA_LP_GEN_DATA_REG; + pkg_sender->mipi_hs_gen_data_reg = MIPIA_HS_GEN_DATA_REG; + pkg_sender->mipi_lp_gen_ctrl_reg = MIPIA_LP_GEN_CTRL_REG; + pkg_sender->mipi_hs_gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG; + pkg_sender->mipi_gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; + pkg_sender->mipi_data_addr_reg = MIPIA_DATA_ADD_REG; + pkg_sender->mipi_data_len_reg = MIPIA_DATA_LEN_REG; + pkg_sender->mipi_cmd_addr_reg = MIPIA_CMD_ADD_REG; + pkg_sender->mipi_cmd_len_reg = MIPIA_CMD_LEN_REG; + } else if (pipe == 2) { + pkg_sender->dpll_reg = MRST_DPLL_A; + pkg_sender->dspcntr_reg = DSPCCNTR; + pkg_sender->pipeconf_reg = PIPECCONF; + pkg_sender->dsplinoff_reg = DSPCLINOFF; + pkg_sender->dspsurf_reg = DSPCSURF; + pkg_sender->pipestat_reg = 72024; + + pkg_sender->mipi_intr_stat_reg = + MIPIA_INTR_STAT_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_lp_gen_data_reg = + MIPIA_LP_GEN_DATA_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_hs_gen_data_reg = + MIPIA_HS_GEN_DATA_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_lp_gen_ctrl_reg = + MIPIA_LP_GEN_CTRL_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_hs_gen_ctrl_reg = + MIPIA_HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_gen_fifo_stat_reg = + MIPIA_GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_data_addr_reg = + MIPIA_DATA_ADD_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_data_len_reg = + MIPIA_DATA_LEN_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_cmd_addr_reg = + MIPIA_CMD_ADD_REG + MIPIC_REG_OFFSET; + pkg_sender->mipi_cmd_len_reg = + MIPIA_CMD_LEN_REG + MIPIC_REG_OFFSET; + } + + /* Init pkg list */ + INIT_LIST_HEAD(&pkg_sender->pkg_list); + INIT_LIST_HEAD(&pkg_sender->free_list); + + spin_lock_init(&pkg_sender->lock); + + /* Allocate free pkg pool */ + for (i = 0; i < MDFLD_MAX_PKG_NUM; i++) { + pkg = kzalloc(sizeof(struct mdfld_dsi_pkg), GFP_KERNEL); + if (!pkg) { + dev_err(dev->dev, "Out of memory allocating pkg pool"); + ret = -ENOMEM; + goto pkg_alloc_err; + } + INIT_LIST_HEAD(&pkg->entry); + list_add_tail(&pkg->entry, &pkg_sender->free_list); + } + return 0; + +pkg_alloc_err: + list_for_each_entry_safe(pkg, tmp, &pkg_sender->free_list, entry) { + list_del(&pkg->entry); + kfree(pkg); + } + + /* Free mapped command buffer */ + mdfld_dbi_cb_destroy(pkg_sender); +mapping_err: + kfree(pkg_sender); + dsi_connector->pkg_sender = NULL; + return ret; +} + +void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender) +{ + struct mdfld_dsi_pkg *pkg, *tmp; + + if (!sender || IS_ERR(sender)) + return; + + /* Free pkg pool */ + list_for_each_entry_safe(pkg, tmp, &sender->free_list, entry) { + list_del(&pkg->entry); + kfree(pkg); + } + /* Free pkg list */ + list_for_each_entry_safe(pkg, tmp, &sender->pkg_list, entry) { + list_del(&pkg->entry); + kfree(pkg); + } + mdfld_dbi_cb_destroy(sender); /* free mapped command buffer */ + kfree(sender); +} diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h new file mode 100644 index 000000000000..296b1eac1404 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h @@ -0,0 +1,158 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jackie Li + */ +#ifndef __MDFLD_DSI_PKG_SENDER_H__ +#define __MDFLD_DSI_PKG_SENDER_H__ + +#include + +#define MDFLD_MAX_DCS_PARAM 8 +#define MDFLD_MAX_PKG_NUM 2048 + +enum { + MDFLD_DSI_PKG_DCS, + MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03, + MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13, + MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23, + MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29, + MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05, + MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15, + MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39, +}; + +enum { + MDFLD_DSI_LP_TRANSMISSION, + MDFLD_DSI_HS_TRANSMISSION, + MDFLD_DSI_DCS, +}; + +enum { + MDFLD_DSI_PANEL_MODE_SLEEP = 0x1, +}; + +enum { + MDFLD_DSI_PKG_SENDER_FREE = 0x0, + MDFLD_DSI_PKG_SENDER_BUSY = 0x1, +}; + +enum { + MDFLD_DSI_SEND_PACKAGE, + MDFLD_DSI_QUEUE_PACKAGE, +}; + +struct mdfld_dsi_gen_short_pkg { + u8 cmd; + u8 param; +}; + +struct mdfld_dsi_gen_long_pkg { + u32 *data; + u32 len; +}; + +struct mdfld_dsi_dcs_pkg { + u8 cmd; + u8 param[MDFLD_MAX_DCS_PARAM]; + u32 param_num; + u8 data_src; +}; + +struct mdfld_dsi_pkg { + u8 pkg_type; + u8 transmission_type; + + union { + struct mdfld_dsi_gen_short_pkg short_pkg; + struct mdfld_dsi_gen_long_pkg long_pkg; + struct mdfld_dsi_dcs_pkg dcs_pkg; + } pkg; + + struct list_head entry; +}; + +struct mdfld_dsi_pkg_sender { + struct drm_device *dev; + struct mdfld_dsi_connector *dsi_connector; + u32 status; + + u32 panel_mode; + + int pipe; + + spinlock_t lock; + struct list_head pkg_list; + struct list_head free_list; + + u32 pkg_num; + + int dbi_pkg_support; + + u32 dbi_cb_phy; + void *dbi_cb_addr; + + /* Registers */ + u32 dpll_reg; + u32 dspcntr_reg; + u32 pipeconf_reg; + u32 pipestat_reg; + u32 dsplinoff_reg; + u32 dspsurf_reg; + + u32 mipi_intr_stat_reg; + u32 mipi_lp_gen_data_reg; + u32 mipi_hs_gen_data_reg; + u32 mipi_lp_gen_ctrl_reg; + u32 mipi_hs_gen_ctrl_reg; + u32 mipi_gen_fifo_stat_reg; + u32 mipi_data_addr_reg; + u32 mipi_data_len_reg; + u32 mipi_cmd_addr_reg; + u32 mipi_cmd_len_reg; +}; + +extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector, + int pipe); +extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender); +extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs, + u8 *param, u32 param_num, u8 data_src, int delay); +extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender, + u8 cmd, u8 param, u8 param_num, int delay); +extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender, + u8 cmd, u8 param, u8 param_num, int delay); +extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, int delay); +extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, int delay); +extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender, + u8 param0, u8 param1, u8 param_num, int delay); +extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender, + u8 param0, u8 param1, u8 param_num, int delay); +extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, int delay); +extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender, + u32 *data, u32 len, int delay); +extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender); + +#endif /* __MDFLD_DSI_PKG_SENDER_H__ */ diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c new file mode 100644 index 000000000000..26d7f8071a02 --- /dev/null +++ b/drivers/staging/gma500/mdfld_intel_display.c @@ -0,0 +1,1388 @@ +/* + * Copyright © 2006-2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt + */ + +#include "psb_fb.h" +#include "psb_intel_display.h" +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +//#include "mdfld_dsi_output.h" +#ifdef CONFIG_MDFLD_DSI_DPU +#include "mdfld_dsi_dbi_dpu.h" +#endif + +#include + +#ifdef MIN +#undef MIN +#endif + +#define MIN(x, y) (((x) < (y)) ? (x) : (y)) + +/* Hardcoded currently */ +static int ksel = KSEL_CRYSTAL_19; + +extern struct drm_device *gpDrmDevice; +extern void mdfld_save_display(struct drm_device *dev); +extern bool gbgfxsuspended; + +struct psb_intel_range_t { + int min, max; +}; + +struct mdfld_limit_t { + struct psb_intel_range_t dot, m, p1; +}; + +struct mdfld_intel_clock_t { + /* given values */ + int n; + int m1, m2; + int p1, p2; + /* derived values */ + int dot; + int vco; + int m; + int p; +}; + + + +#define COUNT_MAX 0x10000000 + +void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe) +{ + int count, temp; + u32 pipeconf_reg = PIPEACONF; + + switch (pipe) { + case 0: + break; + case 1: + pipeconf_reg = PIPEBCONF; + break; + case 2: + pipeconf_reg = PIPECCONF; + break; + default: + DRM_ERROR("Illegal Pipe Number. \n"); + return; + } + + /* FIXME JLIU7_PO */ + psb_intel_wait_for_vblank(dev); + return; + + /* Wait for for the pipe disable to take effect. */ + for (count = 0; count < COUNT_MAX; count++) { + temp = REG_READ(pipeconf_reg); + if ((temp & PIPEACONF_PIPE_STATE) == 0) + break; + } +} + +void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe) +{ + int count, temp; + u32 pipeconf_reg = PIPEACONF; + + switch (pipe) { + case 0: + break; + case 1: + pipeconf_reg = PIPEBCONF; + break; + case 2: + pipeconf_reg = PIPECCONF; + break; + default: + dev_err(dev->dev, "Illegal Pipe Number.\n"); + return; + } + + /* FIXME JLIU7_PO */ + psb_intel_wait_for_vblank(dev); + return; + + /* Wait for for the pipe enable to take effect. */ + for (count = 0; count < COUNT_MAX; count++) { + temp = REG_READ(pipeconf_reg); + if ((temp & PIPEACONF_PIPE_STATE) == 1) + break; + } +} + + +static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc, + struct drm_file *file_priv, + uint32_t handle, + uint32_t width, uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private; + struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + int pipe = psb_intel_crtc->pipe; + uint32_t control = CURACNTR; + uint32_t base = CURABASE; + uint32_t temp; + size_t addr = 0; + struct gtt_range *gt; + struct drm_gem_object *obj; + int ret; + + switch (pipe) { + case 0: + break; + case 1: + control = CURBCNTR; + base = CURBBASE; + break; + case 2: + control = CURCCNTR; + base = CURCBASE; + break; + default: + dev_err(dev->dev, "Illegal Pipe Number. \n"); + return -EINVAL; + } + +#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */ + if (pipe != 0) + return 0; +#endif + /* if we want to turn of the cursor ignore width and height */ + if (!handle) { + dev_dbg(dev->dev, "cursor off\n"); + /* turn off the cursor */ + temp = 0; + temp |= CURSOR_MODE_DISABLE; + + if (gma_power_begin(dev, true)) { + REG_WRITE(control, temp); + REG_WRITE(base, 0); + gma_power_end(dev); + } + /* Unpin the old GEM object */ + if (psb_intel_crtc->cursor_obj) { + gt = container_of(psb_intel_crtc->cursor_obj, + struct gtt_range, gem); + psb_gtt_unpin(gt); + drm_gem_object_unreference(psb_intel_crtc->cursor_obj); + psb_intel_crtc->cursor_obj = NULL; + } + return 0; + } + + /* Currently we only support 64x64 cursors */ + if (width != 64 || height != 64) { + DRM_ERROR("we currently only support 64x64 cursors\n"); + return -EINVAL; + } + + obj = drm_gem_object_lookup(dev, file_priv, handle); + if (!obj) + return -ENOENT; + + if (obj->size < width * height * 4) { + dev_dbg(dev->dev, "buffer is to small\n"); + return -ENOMEM; + } + + gt = container_of(obj, struct gtt_range, gem); + + /* Pin the memory into the GTT */ + ret = psb_gtt_pin(gt); + if (ret) { + dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle); + return ret; + } + + + addr = gt->offset; /* Or resource.start ??? */ + + psb_intel_crtc->cursor_addr = addr; + + temp = 0; + /* set the pipe for the cursor */ + temp |= (pipe << 28); + temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; + + if (gma_power_begin(dev, true)) { + REG_WRITE(control, temp); + REG_WRITE(base, addr); + gma_power_end(dev); + } +#if 0 + /* FIXME: COnvert to GEM */ + /* unpin the old bo */ + if (psb_intel_crtc->cursor_bo && psb_intel_crtc->cursor_bo != bo) { + mode_dev->bo_unpin_for_scanout(dev, psb_intel_crtc->cursor_bo); + psb_intel_crtc->cursor_bo = bo; + } +#endif + return 0; +} + +static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct drm_device *dev = crtc->dev; +#ifndef CONFIG_MDFLD_DSI_DPU + struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private; +#else + struct psb_drm_dpu_rect rect; +#endif + struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + int pipe = psb_intel_crtc->pipe; + uint32_t pos = CURAPOS; + uint32_t base = CURABASE; + uint32_t temp = 0; + uint32_t addr; + + switch (pipe) { + case 0: +#ifndef CONFIG_MDFLD_DSI_DPU + if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0)) + mdfld_dsi_dbi_exit_dsr (dev, MDFLD_DSR_CURSOR_0, 0, 0); +#else /*CONFIG_MDFLD_DSI_DPU*/ + rect.x = x; + rect.y = y; + + mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect); + mdfld_dpu_exit_dsr(dev); +#endif + break; + case 1: + pos = CURBPOS; + base = CURBBASE; + break; + case 2: +#ifndef CONFIG_MDFLD_DSI_DPU + if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2)) + mdfld_dsi_dbi_exit_dsr (dev, MDFLD_DSR_CURSOR_2, 0, 0); +#else /*CONFIG_MDFLD_DSI_DPU*/ + mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect); + mdfld_dpu_exit_dsr(dev); +#endif + pos = CURCPOS; + base = CURCBASE; + break; + default: + DRM_ERROR("Illegal Pipe Number. \n"); + return -EINVAL; + } + +#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */ + if (pipe != 0) + return 0; +#endif + if (x < 0) { + temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT); + x = -x; + } + if (y < 0) { + temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT); + y = -y; + } + + temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); + temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); + + addr = psb_intel_crtc->cursor_addr; + + if (gma_power_begin(dev, true)) { + REG_WRITE(pos, temp); + REG_WRITE(base, addr); + gma_power_end(dev); + } + + return 0; +} + +const struct drm_crtc_funcs mdfld_intel_crtc_funcs = { + .cursor_set = mdfld_intel_crtc_cursor_set, + .cursor_move = mdfld_intel_crtc_cursor_move, + .gamma_set = psb_intel_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .destroy = psb_intel_crtc_destroy, +}; + +static struct drm_device globle_dev; + +void mdfld__intel_plane_set_alpha(int enable) +{ + struct drm_device *dev = &globle_dev; + int dspcntr_reg = DSPACNTR; + u32 dspcntr; + + dspcntr = REG_READ(dspcntr_reg); + + if (enable) { + dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA; + dspcntr |= DISPPLANE_32BPP; + } else { + dspcntr &= ~DISPPLANE_32BPP; + dspcntr |= DISPPLANE_32BPP_NO_ALPHA; + } + + REG_WRITE(dspcntr_reg, dspcntr); +} + +int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) +{ + struct drm_device *dev = crtc->dev; + /* struct drm_i915_master_private *master_priv; */ + struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); + struct psb_intel_mode_device *mode_dev = psb_intel_crtc->mode_dev; + int pipe = psb_intel_crtc->pipe; + unsigned long start, offset; + int dsplinoff = DSPALINOFF; + int dspsurf = DSPASURF; + int dspstride = DSPASTRIDE; + int dspcntr_reg = DSPACNTR; + u32 dspcntr; + int ret = 0; + + memcpy(&globle_dev, dev, sizeof(struct drm_device)); + + if (!gma_power_begin(dev, true)) + return 0; + + /* no fb bound */ + if (!crtc->fb) { + dev_err(dev->dev, "No FB bound\n"); + goto psb_intel_pipe_cleaner; + } + + switch (pipe) { + case 0: + dsplinoff = DSPALINOFF; + break; + case 1: + dsplinoff = DSPBLINOFF; + dspsurf = DSPBSURF; + dspstride = DSPBSTRIDE; + dspcntr_reg = DSPBCNTR; + break; + case 2: + dsplinoff = DSPCLINOFF; + dspsurf = DSPCSURF; + dspstride = DSPCSTRIDE; + dspcntr_reg = DSPCCNTR; + break; + default: + dev_err(dev->dev, "Illegal Pipe Number.\n"); + return -EINVAL; + } + + ret = psb_gtt_pin(psbfb->gtt); + if (ret < 0) + goto psb_intel_pipe_set_base_exit; + + start = psbfb->gtt->offset; + offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8); + + REG_WRITE(dspstride, crtc->fb->pitch); + dspcntr = REG_READ(dspcntr_reg); + dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; + + switch (crtc->fb->bits_per_pixel) { + case 8: + dspcntr |= DISPPLANE_8BPP; + break; + case 16: + if (crtc->fb->depth == 15) + dspcntr |= DISPPLANE_15_16BPP; + else + dspcntr |= DISPPLANE_16BPP; + break; + case 24: + case 32: + dspcntr |= DISPPLANE_32BPP_NO_ALPHA; + break; + default: + dev_err(dev->dev, "Unknown color depth\n"); + ret = -EINVAL; + goto psb_intel_pipe_set_base_exit; + } + REG_WRITE(dspcntr_reg, dspcntr); + + dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n", + start, offset, x, y); + + REG_WRITE(dsplinoff, offset); + REG_READ(dsplinoff); + REG_WRITE(dspsurf, start); + REG_READ(dspsurf); + +psb_intel_pipe_cleaner: + /* If there was a previous display we can now unpin it */ + if (old_fb) + psb_gtt_unpin(to_psb_fb(old_fb)->gtt); + +psb_intel_pipe_set_base_exit: + gma_power_end(dev); + return ret; +} + +/** + * Disable the pipe, plane and pll. + * + */ +void mdfld_disable_crtc (struct drm_device *dev, int pipe) +{ + int dpll_reg = MRST_DPLL_A; + int dspcntr_reg = DSPACNTR; + int dspbase_reg = MRST_DSPABASE; + int pipeconf_reg = PIPEACONF; + u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; + u32 temp; + + switch (pipe) { + case 0: + break; + case 1: + dpll_reg = MDFLD_DPLL_B; + dspcntr_reg = DSPBCNTR; + dspbase_reg = DSPBSURF; + pipeconf_reg = PIPEBCONF; + break; + case 2: + dpll_reg = MRST_DPLL_A; + dspcntr_reg = DSPCCNTR; + dspbase_reg = MDFLD_DSPCBASE; + pipeconf_reg = PIPECCONF; + gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; + break; + default: + dev_err(dev->dev, "Illegal Pipe Number. \n"); + return; + } + + if (pipe != 1) + mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); + + /* Disable display plane */ + temp = REG_READ(dspcntr_reg); + if ((temp & DISPLAY_PLANE_ENABLE) != 0) { + REG_WRITE(dspcntr_reg, + temp & ~DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); + REG_READ(dspbase_reg); + } + + /* FIXME_JLIU7 MDFLD_PO revisit */ + /* Wait for vblank for the disable to take effect */ +// MDFLD_PO_JLIU7 psb_intel_wait_for_vblank(dev); + + /* Next, disable display pipes */ + temp = REG_READ(pipeconf_reg); + if ((temp & PIPEACONF_ENABLE) != 0) { + temp &= ~PIPEACONF_ENABLE; + temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF; + REG_WRITE(pipeconf_reg, temp); + REG_READ(pipeconf_reg); + + /* Wait for for the pipe disable to take effect. */ + mdfldWaitForPipeDisable(dev, pipe); + } + + temp = REG_READ(dpll_reg); + if (temp & DPLL_VCO_ENABLE) { + if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE)) + || (pipe == 1)){ + temp &= ~(DPLL_VCO_ENABLE); + REG_WRITE(dpll_reg, temp); + REG_READ(dpll_reg); + /* Wait for the clocks to turn off. */ + /* FIXME_MDFLD PO may need more delay */ + udelay(500); + + if (!(temp & MDFLD_PWR_GATE_EN)) { + /* gating power of DPLL */ + REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(5000); + } + } + } + +} + +/** + * Sets the power management mode of the pipe and plane. + * + * This code should probably grow support for turning the cursor off and back + * on appropriately at the same time as we're turning the pipe off/on. + */ +static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct drm_device *dev = crtc->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + int pipe = psb_intel_crtc->pipe; + int dpll_reg = MRST_DPLL_A; + int dspcntr_reg = DSPACNTR; + int dspbase_reg = MRST_DSPABASE; + int pipeconf_reg = PIPEACONF; + u32 pipestat_reg = PIPEASTAT; + u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; + u32 pipeconf = dev_priv->pipeconf; + u32 dspcntr = dev_priv->dspcntr; + u32 mipi_enable_reg = MIPIA_DEVICE_READY_REG; + u32 temp; + bool enabled; + int timeout = 0; + + if (!gma_power_begin(dev, true)) + return; + + /* Ignore if system is already in DSR and in suspended state. */ + if(gbgfxsuspended && dev_priv->dispstatus == false && mode == 3){ + if(dev_priv->rpm_enabled && pipe == 1){ + // dev_priv->is_mipi_on = false; + pm_request_idle(&gpDrmDevice->pdev->dev); + } + return; + }else if(mode == 0) { + //do not need to set gbdispstatus=true in crtc. + //this will be set in encoder such as mdfld_dsi_dbi_dpms + //gbdispstatus = true; + } + + +/* FIXME_JLIU7 MDFLD_PO replaced w/ the following function */ +/* mdfld_dbi_dpms (struct drm_device *dev, int pipe, bool enabled) */ + + switch (pipe) { + case 0: + break; + case 1: + dpll_reg = DPLL_B; + dspcntr_reg = DSPBCNTR; + dspbase_reg = MRST_DSPBBASE; + pipeconf_reg = PIPEBCONF; + pipeconf = dev_priv->pipeconf1; + dspcntr = dev_priv->dspcntr1; + dpll_reg = MDFLD_DPLL_B; + break; + case 2: + dpll_reg = MRST_DPLL_A; + dspcntr_reg = DSPCCNTR; + dspbase_reg = MDFLD_DSPCBASE; + pipeconf_reg = PIPECCONF; + pipestat_reg = PIPECSTAT; + pipeconf = dev_priv->pipeconf2; + dspcntr = dev_priv->dspcntr2; + gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; + mipi_enable_reg = MIPIA_DEVICE_READY_REG + MIPIC_REG_OFFSET; + break; + default: + dev_err(dev->dev, "Illegal Pipe Number.\n"); + return; + } + + /* XXX: When our outputs are all unaware of DPMS modes other than off + * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. + */ + switch (mode) { + case DRM_MODE_DPMS_ON: + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + /* Enable the DPLL */ + temp = REG_READ(dpll_reg); + + if ((temp & DPLL_VCO_ENABLE) == 0) { + /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ + if (temp & MDFLD_PWR_GATE_EN) { + temp &= ~MDFLD_PWR_GATE_EN; + REG_WRITE(dpll_reg, temp); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + } + + REG_WRITE(dpll_reg, temp); + REG_READ(dpll_reg); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + + REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); + REG_READ(dpll_reg); + + /** + * wait for DSI PLL to lock + * NOTE: only need to poll status of pipe 0 and pipe 1, + * since both MIPI pipes share the same PLL. + */ + while ((pipe != 2) && (timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { + udelay(150); + timeout ++; + } + } + + /* Enable the plane */ + temp = REG_READ(dspcntr_reg); + if ((temp & DISPLAY_PLANE_ENABLE) == 0) { + REG_WRITE(dspcntr_reg, + temp | DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); + } + + /* Enable the pipe */ + temp = REG_READ(pipeconf_reg); + if ((temp & PIPEACONF_ENABLE) == 0) { + REG_WRITE(pipeconf_reg, pipeconf); + + /* Wait for for the pipe enable to take effect. */ + mdfldWaitForPipeEnable(dev, pipe); + } + + /*workaround for sighting 3741701 Random X blank display*/ + /*perform w/a in video mode only on pipe A or C*/ + if ((pipe == 0 || pipe == 2) && + (mdfld_panel_dpi(dev) == true)) { + REG_WRITE(pipestat_reg, REG_READ(pipestat_reg)); + msleep(100); + if(PIPE_VBLANK_STATUS & REG_READ(pipestat_reg)) { + printk(KERN_ALERT "OK"); + } else { + printk(KERN_ALERT "STUCK!!!!"); + /*shutdown controller*/ + temp = REG_READ(dspcntr_reg); + REG_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE); + REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); + /*mdfld_dsi_dpi_shut_down(dev, pipe);*/ + REG_WRITE(0xb048, 1); + msleep(100); + temp = REG_READ(pipeconf_reg); + temp &= ~PIPEACONF_ENABLE; + REG_WRITE(pipeconf_reg, temp); + msleep(100); /*wait for pipe disable*/ + /*printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008)); + printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));*/ + REG_WRITE(mipi_enable_reg, 0); + msleep(100); + printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008)); + printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074)); + REG_WRITE(0xb004, REG_READ(0xb004)); + /* try to bring the controller back up again*/ + REG_WRITE(mipi_enable_reg, 1); + temp = REG_READ(dspcntr_reg); + REG_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE); + REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); + /*mdfld_dsi_dpi_turn_on(dev, pipe);*/ + REG_WRITE(0xb048, 2); + msleep(100); + temp = REG_READ(pipeconf_reg); + temp |= PIPEACONF_ENABLE; + REG_WRITE(pipeconf_reg, temp); + } + } + + psb_intel_crtc_load_lut(crtc); + + /* Give the overlay scaler a chance to enable + if it's on this pipe */ + /* psb_intel_crtc_dpms_video(crtc, true); TODO */ + + break; + case DRM_MODE_DPMS_OFF: + /* Give the overlay scaler a chance to disable + * if it's on this pipe */ + /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ + if (pipe != 1) + mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); + + /* Disable the VGA plane that we never use */ + REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); + + /* Disable display plane */ + temp = REG_READ(dspcntr_reg); + if ((temp & DISPLAY_PLANE_ENABLE) != 0) { + REG_WRITE(dspcntr_reg, + temp & ~DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); + REG_READ(dspbase_reg); + } + + /* FIXME_JLIU7 MDFLD_PO revisit */ + /* Wait for vblank for the disable to take effect */ +// MDFLD_PO_JLIU7 psb_intel_wait_for_vblank(dev); + + /* Next, disable display pipes */ + temp = REG_READ(pipeconf_reg); + if ((temp & PIPEACONF_ENABLE) != 0) { + temp &= ~PIPEACONF_ENABLE; + temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF; + REG_WRITE(pipeconf_reg, temp); +// REG_WRITE(pipeconf_reg, 0); + REG_READ(pipeconf_reg); + + /* Wait for for the pipe disable to take effect. */ + mdfldWaitForPipeDisable(dev, pipe); + } + + temp = REG_READ(dpll_reg); + if (temp & DPLL_VCO_ENABLE) { + if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE)) + || (pipe == 1)){ + temp &= ~(DPLL_VCO_ENABLE); + REG_WRITE(dpll_reg, temp); + REG_READ(dpll_reg); + /* Wait for the clocks to turn off. */ + /* FIXME_MDFLD PO may need more delay */ + udelay(500); +#if 0 /* MDFLD_PO_JLIU7 */ + if (!(temp & MDFLD_PWR_GATE_EN)) { + /* gating power of DPLL */ + REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(5000); + } +#endif /* MDFLD_PO_JLIU7 */ + } + } + break; + } + + enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; + +#if 0 /* JB: Add vblank support later */ + if (enabled) + dev_priv->vblank_pipe |= (1 << pipe); + else + dev_priv->vblank_pipe &= ~(1 << pipe); +#endif + + gma_power_end(dev); +} + + +#define MDFLD_LIMT_DPLL_19 0 +#define MDFLD_LIMT_DPLL_25 1 +#define MDFLD_LIMT_DPLL_83 2 +#define MDFLD_LIMT_DPLL_100 3 +#define MDFLD_LIMT_DSIPLL_19 4 +#define MDFLD_LIMT_DSIPLL_25 5 +#define MDFLD_LIMT_DSIPLL_83 6 +#define MDFLD_LIMT_DSIPLL_100 7 + +#define MDFLD_DOT_MIN 19750 /* FIXME_MDFLD JLIU7 need to find out min & max for MDFLD */ +#define MDFLD_DOT_MAX 120000 +#define MDFLD_DPLL_M_MIN_19 113 +#define MDFLD_DPLL_M_MAX_19 155 +#define MDFLD_DPLL_P1_MIN_19 2 +#define MDFLD_DPLL_P1_MAX_19 10 +#define MDFLD_DPLL_M_MIN_25 101 +#define MDFLD_DPLL_M_MAX_25 130 +#define MDFLD_DPLL_P1_MIN_25 2 +#define MDFLD_DPLL_P1_MAX_25 10 +#define MDFLD_DPLL_M_MIN_83 64 +#define MDFLD_DPLL_M_MAX_83 64 +#define MDFLD_DPLL_P1_MIN_83 2 +#define MDFLD_DPLL_P1_MAX_83 2 +#define MDFLD_DPLL_M_MIN_100 64 +#define MDFLD_DPLL_M_MAX_100 64 +#define MDFLD_DPLL_P1_MIN_100 2 +#define MDFLD_DPLL_P1_MAX_100 2 +#define MDFLD_DSIPLL_M_MIN_19 131 +#define MDFLD_DSIPLL_M_MAX_19 175 +#define MDFLD_DSIPLL_P1_MIN_19 3 +#define MDFLD_DSIPLL_P1_MAX_19 8 +#define MDFLD_DSIPLL_M_MIN_25 97 +#define MDFLD_DSIPLL_M_MAX_25 140 +#define MDFLD_DSIPLL_P1_MIN_25 3 +#define MDFLD_DSIPLL_P1_MAX_25 9 +#define MDFLD_DSIPLL_M_MIN_83 33 +#define MDFLD_DSIPLL_M_MAX_83 92 +#define MDFLD_DSIPLL_P1_MIN_83 2 +#define MDFLD_DSIPLL_P1_MAX_83 3 +#define MDFLD_DSIPLL_M_MIN_100 97 +#define MDFLD_DSIPLL_M_MAX_100 140 +#define MDFLD_DSIPLL_P1_MIN_100 3 +#define MDFLD_DSIPLL_P1_MAX_100 9 + +static const struct mdfld_limit_t mdfld_limits[] = { + { /* MDFLD_LIMT_DPLL_19 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19}, + .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19}, + }, + { /* MDFLD_LIMT_DPLL_25 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25}, + .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25}, + }, + { /* MDFLD_LIMT_DPLL_83 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83}, + .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83}, + }, + { /* MDFLD_LIMT_DPLL_100 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100}, + .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100}, + }, + { /* MDFLD_LIMT_DSIPLL_19 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19}, + .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19}, + }, + { /* MDFLD_LIMT_DSIPLL_25 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25}, + .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25}, + }, + { /* MDFLD_LIMT_DSIPLL_83 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83}, + .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83}, + }, + { /* MDFLD_LIMT_DSIPLL_100 */ + .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, + .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100}, + .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100}, + }, +}; + +#define MDFLD_M_MIN 21 +#define MDFLD_M_MAX 180 +static const u32 mdfld_m_converts[] = { +/* M configuration table from 9-bit LFSR table */ + 224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */ + 173, 342, 171, 85, 298, 149, 74, 37, 18, 265, /* 31 - 40 */ + 388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */ + 83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */ + 341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */ + 461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */ + 106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */ + 71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */ + 253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */ + 478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */ + 477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */ + 210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */ + 145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */ + 380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */ + 103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */ + 396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */ +}; + +static const struct mdfld_limit_t *mdfld_limit(struct drm_crtc *crtc) +{ + const struct mdfld_limit_t *limit = NULL; + struct drm_device *dev = crtc->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + + if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI) + || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) { + if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) + limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19]; + else if (ksel == KSEL_BYPASS_25) + limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25]; + else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) + limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83]; + else if ((ksel == KSEL_BYPASS_83_100) && + (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) + limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100]; + } else if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { + if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) + limit = &mdfld_limits[MDFLD_LIMT_DPLL_19]; + else if (ksel == KSEL_BYPASS_25) + limit = &mdfld_limits[MDFLD_LIMT_DPLL_25]; + else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) + limit = &mdfld_limits[MDFLD_LIMT_DPLL_83]; + else if ((ksel == KSEL_BYPASS_83_100) && + (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) + limit = &mdfld_limits[MDFLD_LIMT_DPLL_100]; + } else { + limit = NULL; + dev_err(dev->dev, "mdfld_limit Wrong display type.\n"); + } + + return limit; +} + +/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ +static void mdfld_clock(int refclk, struct mdfld_intel_clock_t *clock) +{ + clock->dot = (refclk * clock->m) / clock->p1; +} + +/** + * Returns a set of divisors for the desired target clock with the given refclk, + * or FALSE. Divisor values are the actual divisors for + */ +static bool +mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk, + struct mdfld_intel_clock_t *best_clock) +{ + struct mdfld_intel_clock_t clock; + const struct mdfld_limit_t *limit = mdfld_limit(crtc); + int err = target; + + memset(best_clock, 0, sizeof(*best_clock)); + + for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) { + for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max; + clock.p1++) { + int this_err; + + mdfld_clock(refclk, &clock); + + this_err = abs(clock.dot - target); + if (this_err < err) { + *best_clock = clock; + err = this_err; + } + } + } + return err != target; +} + +/** + * Return the pipe currently connected to the panel fitter, + * or -1 if the panel fitter is not present or not in use + */ +static int mdfld_panel_fitter_pipe(struct drm_device *dev) +{ + u32 pfit_control; + + pfit_control = REG_READ(PFIT_CONTROL); + + /* See if the panel fitter is in use */ + if ((pfit_control & PFIT_ENABLE) == 0) + return -1; + return (pfit_control >> 29) & 3; +} + +static int mdfld_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, + struct drm_framebuffer *old_fb) +{ + struct drm_device *dev = crtc->dev; + struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); + struct drm_psb_private *dev_priv = dev->dev_private; + int pipe = psb_intel_crtc->pipe; + int fp_reg = MRST_FPA0; + int dpll_reg = MRST_DPLL_A; + int dspcntr_reg = DSPACNTR; + int pipeconf_reg = PIPEACONF; + int htot_reg = HTOTAL_A; + int hblank_reg = HBLANK_A; + int hsync_reg = HSYNC_A; + int vtot_reg = VTOTAL_A; + int vblank_reg = VBLANK_A; + int vsync_reg = VSYNC_A; + int dspsize_reg = DSPASIZE; + int dsppos_reg = DSPAPOS; + int pipesrc_reg = PIPEASRC; + u32 *pipeconf = &dev_priv->pipeconf; + u32 *dspcntr = &dev_priv->dspcntr; + int refclk = 0; + int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0, clk_tmp = 0; + struct mdfld_intel_clock_t clock; + bool ok; + u32 dpll = 0, fp = 0; + bool is_crt = false, is_lvds = false, is_tv = false; + bool is_mipi = false, is_mipi2 = false, is_hdmi = false; + struct drm_mode_config *mode_config = &dev->mode_config; + struct psb_intel_output *psb_intel_output = NULL; + uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN; + struct drm_encoder *encoder; + struct drm_connector *connector; + int timeout = 0; + + dev_dbg(dev->dev, "pipe = 0x%x \n", pipe); + + switch (pipe) { + case 0: + break; + case 1: + fp_reg = FPB0; + dpll_reg = DPLL_B; + dspcntr_reg = DSPBCNTR; + pipeconf_reg = PIPEBCONF; + htot_reg = HTOTAL_B; + hblank_reg = HBLANK_B; + hsync_reg = HSYNC_B; + vtot_reg = VTOTAL_B; + vblank_reg = VBLANK_B; + vsync_reg = VSYNC_B; + dspsize_reg = DSPBSIZE; + dsppos_reg = DSPBPOS; + pipesrc_reg = PIPEBSRC; + pipeconf = &dev_priv->pipeconf1; + dspcntr = &dev_priv->dspcntr1; + fp_reg = MDFLD_DPLL_DIV0; + dpll_reg = MDFLD_DPLL_B; + break; + case 2: + dpll_reg = MRST_DPLL_A; + dspcntr_reg = DSPCCNTR; + pipeconf_reg = PIPECCONF; + htot_reg = HTOTAL_C; + hblank_reg = HBLANK_C; + hsync_reg = HSYNC_C; + vtot_reg = VTOTAL_C; + vblank_reg = VBLANK_C; + vsync_reg = VSYNC_C; + dspsize_reg = DSPCSIZE; + dsppos_reg = DSPCPOS; + pipesrc_reg = PIPECSRC; + pipeconf = &dev_priv->pipeconf2; + dspcntr = &dev_priv->dspcntr2; + break; + default: + DRM_ERROR("Illegal Pipe Number. \n"); + return 0; + } + + dev_dbg(dev->dev, "adjusted_hdisplay = %d\n", + adjusted_mode->hdisplay); + dev_dbg(dev->dev, "adjusted_vdisplay = %d\n", + adjusted_mode->vdisplay); + dev_dbg(dev->dev, "adjusted_hsync_start = %d\n", + adjusted_mode->hsync_start); + dev_dbg(dev->dev, "adjusted_hsync_end = %d\n", + adjusted_mode->hsync_end); + dev_dbg(dev->dev, "adjusted_htotal = %d\n", + adjusted_mode->htotal); + dev_dbg(dev->dev, "adjusted_vsync_start = %d\n", + adjusted_mode->vsync_start); + dev_dbg(dev->dev, "adjusted_vsync_end = %d\n", + adjusted_mode->vsync_end); + dev_dbg(dev->dev, "adjusted_vtotal = %d\n", + adjusted_mode->vtotal); + dev_dbg(dev->dev, "adjusted_clock = %d\n", + adjusted_mode->clock); + dev_dbg(dev->dev, "hdisplay = %d\n", + mode->hdisplay); + dev_dbg(dev->dev, "vdisplay = %d\n", + mode->vdisplay); + + if (!gma_power_begin(dev, true)) + return 0; + + memcpy(&psb_intel_crtc->saved_mode, mode, sizeof(struct drm_display_mode)); + memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode)); + + list_for_each_entry(connector, &mode_config->connector_list, head) { + if(!connector) + continue; + + encoder = connector->encoder; + + if(!encoder) + continue; + + if (encoder->crtc != crtc) + continue; + + psb_intel_output = to_psb_intel_output(connector); + + dev_dbg(dev->dev, "output->type = 0x%x \n", psb_intel_output->type); + + switch (psb_intel_output->type) { + case INTEL_OUTPUT_LVDS: + is_lvds = true; + break; + case INTEL_OUTPUT_TVOUT: + is_tv = true; + break; + case INTEL_OUTPUT_ANALOG: + is_crt = true; + break; + case INTEL_OUTPUT_MIPI: + is_mipi = true; + break; + case INTEL_OUTPUT_MIPI2: + is_mipi2 = true; + break; + case INTEL_OUTPUT_HDMI: + is_hdmi = true; + break; + } + } + + /* Disable the VGA plane that we never use */ + REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); + + /* Disable the panel fitter if it was on our pipe */ + if (mdfld_panel_fitter_pipe(dev) == pipe) + REG_WRITE(PFIT_CONTROL, 0); + + /* pipesrc and dspsize control the size that is scaled from, + * which should always be the user's requested size. + */ + if (pipe == 1) { + /* FIXME: To make HDMI display with 864x480 (TPO), 480x864 (PYR) or 480x854 (TMD), set the sprite + * width/height and souce image size registers with the adjusted mode for pipe B. */ + + /* The defined sprite rectangle must always be completely contained within the displayable + * area of the screen image (frame buffer). */ + REG_WRITE(dspsize_reg, ((MIN(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16) + | (MIN(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1)); + /* Set the CRTC with encoder mode. */ + REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) + | (mode->crtc_vdisplay - 1)); + } else { + REG_WRITE(dspsize_reg, ((mode->crtc_vdisplay - 1) << 16) | (mode->crtc_hdisplay - 1)); + REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1)); + } + + REG_WRITE(dsppos_reg, 0); + + if (psb_intel_output) + drm_connector_property_get_value(&psb_intel_output->base, + dev->mode_config.scaling_mode_property, &scalingType); + + if (scalingType == DRM_MODE_SCALE_NO_SCALE) { + /*Moorestown doesn't have register support for centering so we need to + mess with the h/vblank and h/vsync start and ends to get centering*/ + int offsetX = 0, offsetY = 0; + + offsetX = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2; + offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2; + + REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16)); + REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16)); + REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - offsetX - 1) | + ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16)); + REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - offsetX - 1) | + ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16)); + REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - offsetY - 1) | + ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16)); + REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - offsetY - 1) | + ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16)); + } else { + REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16)); + REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16)); + REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | + ((adjusted_mode->crtc_hblank_end - 1) << 16)); + REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | + ((adjusted_mode->crtc_hsync_end - 1) << 16)); + REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | + ((adjusted_mode->crtc_vblank_end - 1) << 16)); + REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | + ((adjusted_mode->crtc_vsync_end - 1) << 16)); + } + + /* Flush the plane changes */ + { + struct drm_crtc_helper_funcs *crtc_funcs = + crtc->helper_private; + crtc_funcs->mode_set_base(crtc, x, y, old_fb); + } + + /* setup pipeconf */ + *pipeconf = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */ + + /* Set up the display plane register */ + *dspcntr = REG_READ(dspcntr_reg); + *dspcntr |= pipe << DISPPLANE_SEL_PIPE_POS; + *dspcntr |= DISPLAY_PLANE_ENABLE; +/* MDFLD_PO_JLIU7 dspcntr |= DISPPLANE_BOTTOM; */ +/* MDFLD_PO_JLIU7 dspcntr |= DISPPLANE_GAMMA_ENABLE; */ + + if (is_mipi2) + { + goto mrst_crtc_mode_set_exit; + } +/* FIXME JLIU7 Add MDFLD HDMI supports */ +/* FIXME_MDFLD JLIU7 DSIPLL clock *= 8? */ +/* FIXME_MDFLD JLIU7 need to revist for dual MIPI supports */ + clk = adjusted_mode->clock; + + if (is_hdmi) { + if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) + { + refclk = 19200; + + if (is_mipi || is_mipi2) + { + clk_n = 1, clk_p2 = 8; + } else if (is_hdmi) { + clk_n = 1, clk_p2 = 10; + } + } else if (ksel == KSEL_BYPASS_25) { + refclk = 25000; + + if (is_mipi || is_mipi2) + { + clk_n = 1, clk_p2 = 8; + } else if (is_hdmi) { + clk_n = 1, clk_p2 = 10; + } + } else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) { + refclk = 83000; + + if (is_mipi || is_mipi2) + { + clk_n = 4, clk_p2 = 8; + } else if (is_hdmi) { + clk_n = 4, clk_p2 = 10; + } + } else if ((ksel == KSEL_BYPASS_83_100) && + (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) { + refclk = 100000; + if (is_mipi || is_mipi2) + { + clk_n = 4, clk_p2 = 8; + } else if (is_hdmi) { + clk_n = 4, clk_p2 = 10; + } + } + + if (is_mipi) + clk_byte = dev_priv->bpp / 8; + else if (is_mipi2) + clk_byte = dev_priv->bpp2 / 8; + + clk_tmp = clk * clk_n * clk_p2 * clk_byte; + + dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d. \n", clk, clk_n, clk_p2); + dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d. \n", adjusted_mode->clock, clk_tmp); + + ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock); + + if (!ok) { + dev_err(dev->dev, + "mdfldFindBestPLL fail in mdfld_crtc_mode_set. \n"); + } else { + m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)]; + + dev_dbg(dev->dev, "dot clock = %d," + "m = %d, p1 = %d, m_conv = %d. \n", clock.dot, clock.m, + clock.p1, m_conv); + } + + dpll = REG_READ(dpll_reg); + + if (dpll & DPLL_VCO_ENABLE) { + dpll &= ~DPLL_VCO_ENABLE; + REG_WRITE(dpll_reg, dpll); + REG_READ(dpll_reg); + + /* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */ + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + + /* reset M1, N1 & P1 */ + REG_WRITE(fp_reg, 0); + dpll &= ~MDFLD_P1_MASK; + REG_WRITE(dpll_reg, dpll); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + } + + /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ + if (dpll & MDFLD_PWR_GATE_EN) { + dpll &= ~MDFLD_PWR_GATE_EN; + REG_WRITE(dpll_reg, dpll); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + } + + dpll = 0; + +#if 0 /* FIXME revisit later */ + if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19) || (ksel == KSEL_BYPASS_25)) { + dpll &= ~MDFLD_INPUT_REF_SEL; + } else if (ksel == KSEL_BYPASS_83_100) { + dpll |= MDFLD_INPUT_REF_SEL; + } +#endif /* FIXME revisit later */ + + if (is_hdmi) + dpll |= MDFLD_VCO_SEL; + + fp = (clk_n / 2) << 16; + fp |= m_conv; + + /* compute bitmask from p1 value */ + dpll |= (1 << (clock.p1 - 2)) << 17; + +#if 0 /* 1080p30 & 720p */ + dpll = 0x00050000; + fp = 0x000001be; +#endif +#if 0 /* 480p */ + dpll = 0x02010000; + fp = 0x000000d2; +#endif + } else { +#if 0 /*DBI_TPO_480x864*/ + dpll = 0x00020000; + fp = 0x00000156; +#endif /* DBI_TPO_480x864 */ /* get from spec. */ + + dpll = 0x00800000; + fp = 0x000000c1; +} + + REG_WRITE(fp_reg, fp); + REG_WRITE(dpll_reg, dpll); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + + dpll |= DPLL_VCO_ENABLE; + REG_WRITE(dpll_reg, dpll); + REG_READ(dpll_reg); + + /* wait for DSI PLL to lock */ + while ((timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { + udelay(150); + timeout ++; + } + + if (is_mipi) + goto mrst_crtc_mode_set_exit; + + dev_dbg(dev->dev, "is_mipi = 0x%x \n", is_mipi); + + REG_WRITE(pipeconf_reg, *pipeconf); + REG_READ(pipeconf_reg); + + /* Wait for for the pipe enable to take effect. */ +//FIXME_JLIU7 HDMI mrstWaitForPipeEnable(dev); + + REG_WRITE(dspcntr_reg, *dspcntr); + psb_intel_wait_for_vblank(dev); + +mrst_crtc_mode_set_exit: + + gma_power_end(dev); + + return 0; +} diff --git a/drivers/staging/gma500/mdfld_msic.h b/drivers/staging/gma500/mdfld_msic.h new file mode 100644 index 000000000000..a7ad65472491 --- /dev/null +++ b/drivers/staging/gma500/mdfld_msic.h @@ -0,0 +1,31 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jim Liu + */ + +#define MSIC_PCI_DEVICE_ID 0x831 + +int msic_regsiter_driver(void); +int msic_unregister_driver(void); +extern void hpd_notify_um(void); diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c new file mode 100644 index 000000000000..b1fc7656b2de --- /dev/null +++ b/drivers/staging/gma500/mdfld_output.c @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#include +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#include "displays/tpo_cmd.h" +#include "displays/tpo_vid.h" +#include "displays/tmd_cmd.h" +#include "displays/tmd_vid.h" +#include "displays/pyr_cmd.h" +#include "displays/pyr_vid.h" +/* #include "displays/hdmi.h" */ + +/* For now a single type per device is all we cope with */ +int mdfld_get_panel_type(struct drm_device *dev, int pipe) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + return dev_priv->panel_id; +} + +int mdfld_panel_dpi(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + + switch (dev_priv->panel_id) { + case TMD_VID: + case TPO_VID: + case PYR_VID: + return true; + case TMD_CMD: + case TPO_CMD: + case PYR_CMD: + default: + return false; + } +} + +static void init_panel(struct drm_device *dev, int mipi_pipe, int p_type) +{ + struct panel_funcs *p_cmd_funcs; + struct panel_funcs *p_vid_funcs; + + /* Oh boy ... FIXME */ + p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL); + p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL); + + switch (p_type) { + case TPO_CMD: + tpo_cmd_init(dev, p_cmd_funcs); + mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); + break; + case TPO_VID: + tpo_vid_init(dev, p_vid_funcs); + mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); + break; + case TMD_CMD: + /*tmd_cmd_init(dev, p_cmd_funcs); */ + mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); + break; + case TMD_VID: + tmd_vid_init(dev, p_vid_funcs); + mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); + break; + case PYR_CMD: + pyr_cmd_init(dev, p_cmd_funcs); + mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); + break; + case PYR_VID: + /*pyr_vid_init(dev, p_vid_funcs); */ + mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); + break; + case TPO: /* TPO panel supports both cmd & vid interfaces */ + tpo_cmd_init(dev, p_cmd_funcs); + tpo_vid_init(dev, p_vid_funcs); + mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, + p_vid_funcs); + break; + case TMD: + break; + case PYR: + break; +#if 0 + case HDMI: + dev_dbg(dev->dev, "Initializing HDMI"); + mdfld_hdmi_init(dev, &dev_priv->mode_dev); + break; +#endif + default: + dev_err(dev->dev, "Unsupported interface %d", p_type); + break; + } +} + +void mdfld_output_init(struct drm_device *dev) +{ + int type; + + /* MIPI panel 1 */ + type = mdfld_get_panel_type(dev, 0); + dev_info(dev->dev, "panel 1: type is %d\n", type); + init_panel(dev, 0, type); + + /* MIPI panel 2 */ + type = mdfld_get_panel_type(dev, 2); + dev_info(dev->dev, "panel 2: type is %d\n", type); + init_panel(dev, 2, type); +} diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h new file mode 100644 index 000000000000..36f43e1ac98e --- /dev/null +++ b/drivers/staging/gma500/mdfld_output.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#ifndef MDFLD_OUTPUT_H +#define MDFLD_OUTPUT_H + +#include "psb_drv.h" + +/* Panel types */ +enum { + TPO_CMD, + TPO_VID, + TMD_CMD, + TMD_VID, + PYR_CMD, + PYR_VID, + TPO, + TMD, + PYR, + HDMI, + GCT_DETECT +}; + +/* Junk that belongs elsewhere */ +#define TPO_PANEL_WIDTH 84 +#define TPO_PANEL_HEIGHT 46 +#define TMD_PANEL_WIDTH 39 +#define TMD_PANEL_HEIGHT 71 +#define PYR_PANEL_WIDTH 53 +#define PYR_PANEL_HEIGHT 95 + +/* Panel interface */ +struct panel_info { + u32 width_mm; + u32 height_mm; +}; + +struct mdfld_dsi_dbi_output; + +struct panel_funcs { + const struct drm_encoder_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_helper_funcs; + struct drm_display_mode *(*get_config_mode) (struct drm_device *); + void (*update_fb) (struct mdfld_dsi_dbi_output *, int); + int (*get_panel_info) (struct drm_device *, int, struct panel_info *); +}; + +void mdfld_output_init(struct drm_device *dev); +int mdfld_panel_dpi(struct drm_device *dev); +int mdfld_get_panel_type(struct drm_device *dev, int pipe); +void mdfld_disable_crtc (struct drm_device *dev, int pipe); + +#endif diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c new file mode 100644 index 000000000000..0d89384fe37d --- /dev/null +++ b/drivers/staging/gma500/mdfld_pyr_cmd.c @@ -0,0 +1,575 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe +*/ + +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#include "mdfld_dsi_pkg_sender.h" + +#include "displays/pyr_cmd.h" + +static struct drm_display_mode *pyr_cmd_get_config_mode(struct drm_device *dev) +{ + struct drm_display_mode *mode; + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) { + dev_err(dev->dev, "Out of memory\n"); + return NULL; + } + + dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); + dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); + dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); + dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); + dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); + dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); + dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); + dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); + dev_dbg(dev->dev, "clock is %d\n", mode->clock); + + mode->hdisplay = 480; + mode->vdisplay = 864; + mode->hsync_start = 487; + mode->hsync_end = 490; + mode->htotal = 499; + mode->vsync_start = 874; + mode->vsync_end = 878; + mode->vtotal = 886; + mode->clock = 25777; + + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + mode->type |= DRM_MODE_TYPE_PREFERRED; + + return mode; +} + +static bool pyr_dsi_dbi_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_display_mode *fixed_mode = pyr_cmd_get_config_mode(dev); + + if (fixed_mode) { + adjusted_mode->hdisplay = fixed_mode->hdisplay; + adjusted_mode->hsync_start = fixed_mode->hsync_start; + adjusted_mode->hsync_end = fixed_mode->hsync_end; + adjusted_mode->htotal = fixed_mode->htotal; + adjusted_mode->vdisplay = fixed_mode->vdisplay; + adjusted_mode->vsync_start = fixed_mode->vsync_start; + adjusted_mode->vsync_end = fixed_mode->vsync_end; + adjusted_mode->vtotal = fixed_mode->vtotal; + adjusted_mode->clock = fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + kfree(fixed_mode); + } + return true; +} + +static void pyr_dsi_dbi_set_power(struct drm_encoder *encoder, bool on) +{ + int ret = 0; + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + u32 reg_offset = 0; + int pipe = (dbi_output->channel_num == 0) ? 0 : 2; + + dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", pipe, + on ? "On" : "Off", + dbi_output->dbi_panel_on ? "True" : "False"); + + if (pipe == 2) { + if (on) + dev_priv->dual_mipi = true; + else + dev_priv->dual_mipi = false; + + reg_offset = MIPIC_REG_OFFSET; + } else { + if (!on) + dev_priv->dual_mipi = false; + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + + if (on) { + if (dbi_output->dbi_panel_on) + goto out_err; + + ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON); + if (ret) { + dev_err(dev->dev, "power on error\n"); + goto out_err; + } + + dbi_output->dbi_panel_on = true; + + if (pipe == 2) { + dev_priv->dbi_panel_on2 = true; + } else { + dev_priv->dbi_panel_on = true; + mdfld_enable_te(dev, 0); + } + } else { + if (!dbi_output->dbi_panel_on && !dbi_output->first_boot) + goto out_err; + + dbi_output->dbi_panel_on = false; + dbi_output->first_boot = false; + + if (pipe == 2) { + dev_priv->dbi_panel_on2 = false; + mdfld_disable_te(dev, 2); + } else { + dev_priv->dbi_panel_on = false; + mdfld_disable_te(dev, 0); + + if (dev_priv->dbi_panel_on2) + mdfld_enable_te(dev, 2); + } + + ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF); + if (ret) { + dev_err(dev->dev, "power on error\n"); + goto out_err; + } + } + +out_err: + gma_power_end(dev); + + if (ret) + dev_err(dev->dev, "failed\n"); +} + +static void pyr_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, + int pipe) +{ + struct drm_device *dev = dsi_config->dev; + u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; + int lane_count = dsi_config->lane_count; + u32 val = 0; + + dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe); + + /* In-ready device */ + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); + + /* Init dsi adapter before kicking off */ + REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); + + /* TODO: figure out how to setup these registers */ + REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c600F); + REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), + 0x000a0014); + REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400); + REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000); + + /* Enable all interrupts */ + REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); + /* Max value: 20 clock cycles of txclkesc */ + REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f); + /* Min 21 txclkesc, max: ffffh */ + REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff); + /* Min: 7d0 max: 4e20 */ + REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0); + + /* Set up func_prg */ + val |= lane_count; + val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET); + val |= DSI_DBI_COLOR_FORMAT_OPTION2; + REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); + + REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff); + REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff); + + /* De-assert dbi_stall when half of DBI FIFO is empty */ + /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */ + + REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); + REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000002); + REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); + REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); +} + +static void pyr_dsi_dbi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + int ret = 0; + struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dsi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct mdfld_dsi_config *dsi_config = + mdfld_dsi_encoder_get_config(dsi_encoder); + struct mdfld_dsi_connector *dsi_connector = dsi_config->connector; + int pipe = dsi_connector->pipe; + u8 param = 0; + + /* Regs */ + u32 mipi_reg = MIPI; + u32 dspcntr_reg = DSPACNTR; + u32 pipeconf_reg = PIPEACONF; + u32 reg_offset = 0; + + /* Values */ + u32 dspcntr_val = dev_priv->dspcntr; + u32 pipeconf_val = dev_priv->pipeconf; + u32 h_active_area = mode->hdisplay; + u32 v_active_area = mode->vdisplay; + u32 mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX | + TE_TRIGGER_GPIO_PIN); + + dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val); + + dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI"); + dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay); + + if (pipe == 2) { + mipi_reg = MIPI_C; + dspcntr_reg = DSPCCNTR; + pipeconf_reg = PIPECCONF; + + reg_offset = MIPIC_REG_OFFSET; + + dspcntr_val = dev_priv->dspcntr2; + pipeconf_val = dev_priv->pipeconf2; + } else { + mipi_val |= 0x2; /* Two lanes for port A and C respectively */ + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + /* Set up pipe related registers */ + REG_WRITE(mipi_reg, mipi_val); + REG_READ(mipi_reg); + + pyr_dsi_controller_dbi_init(dsi_config, pipe); + + msleep(20); + + REG_WRITE(dspcntr_reg, dspcntr_val); + REG_READ(dspcntr_reg); + + /* 20ms delay before sending exit_sleep_mode */ + msleep(20); + + /* Send exit_sleep_mode DCS */ + ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, NULL, + 0, CMD_DATA_SRC_SYSTEM_MEM); + if (ret) { + dev_err(dev->dev, "sent exit_sleep_mode faild\n"); + goto out_err; + } + + /*send set_tear_on DCS*/ + ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on, + ¶m, 1, CMD_DATA_SRC_SYSTEM_MEM); + if (ret) { + dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__); + goto out_err; + } + + /* Do some init stuff */ + mdfld_dsi_brightness_init(dsi_config, pipe); + mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset), + HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); + + REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR); + REG_READ(pipeconf_reg); + + /* TODO: this looks ugly, try to move it to CRTC mode setting */ + if (pipe == 2) + dev_priv->pipeconf2 |= PIPEACONF_DSR; + else + dev_priv->pipeconf |= PIPEACONF_DSR; + + dev_dbg(dev->dev, "pipeconf %x\n", REG_READ(pipeconf_reg)); + + ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0, + h_active_area - 1, v_active_area - 1); + if (ret) { + dev_err(dev->dev, "update area failed\n"); + goto out_err; + } + +out_err: + gma_power_end(dev); + + if (ret) + dev_err(dev->dev, "mode set failed\n"); + else + dev_dbg(dev->dev, "mode set done successfully\n"); +} + +static void pyr_dsi_dbi_prepare(struct drm_encoder *encoder) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + + dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER; + dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE; + + pyr_dsi_dbi_set_power(encoder, false); +} + +static void pyr_dsi_dbi_commit(struct drm_encoder *encoder) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_drm_dpu_rect rect; + + pyr_dsi_dbi_set_power(encoder, true); + + dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER; + + rect.x = rect.y = 0; + rect.width = 864; + rect.height = 480; + + if (dbi_output->channel_num == 1) { + dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2; +#ifdef CONFIG_MDFLD_DSI_DPU + /* If DPU enabled report a fullscreen damage */ + mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect); +#endif + } else { + dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0; + +#ifdef CONFIG_MDFLD_DSI_DPU + mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect); +#endif + } + dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE; +} + +static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + static bool bdispoff; + + dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off")); + + if (mode == DRM_MODE_DPMS_ON) { + if (/*gbgfxsuspended && */bdispoff) { + bdispoff = false; + dev_priv->dispstatus = true; + /*gbgfxsuspended = false; + */ + mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D, 0, 0); + } + pyr_dsi_dbi_set_power(encoder, true); + } else { + bdispoff = true; + dev_priv->dispstatus = false; + pyr_dsi_dbi_set_power(encoder, false); + } +} + +/* + * Update the DBI MIPI Panel Frame Buffer. + */ +static void pyr_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output, + int pipe) +{ + struct mdfld_dsi_pkg_sender *sender = + mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); + struct drm_device *dev = dbi_output->dev; + struct drm_crtc *crtc = dbi_output->base.base.crtc; + struct psb_intel_crtc *psb_crtc = (crtc) ? + to_psb_intel_crtc(crtc) : NULL; + + u32 dpll_reg = MRST_DPLL_A; + u32 dspcntr_reg = DSPACNTR; + u32 pipeconf_reg = PIPEACONF; + u32 dsplinoff_reg = DSPALINOFF; + u32 dspsurf_reg = DSPASURF; + u32 hs_gen_ctrl_reg = HS_GEN_CTRL_REG; + u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; + u32 reg_offset = 0; + + u32 intr_status; + u32 fifo_stat_reg_val; + u32 dpll_reg_val; + u32 dspcntr_reg_val; + u32 pipeconf_reg_val; + + /* If mode setting on-going, back off */ + if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || + (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) || + !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE)) + return; + + /* + * Look for errors here. In particular we're checking for whatever + * error status might have appeared during the last frame transmit + * (memory write). + * + * Normally, the bits we're testing here would be set infrequently, + * if at all. However, one panel (at least) returns at least one + * error bit on most frames. So we've disabled the kernel message + * for now. + * + * Still clear whatever error bits are set, except don't clear the + * ones that would make the Penwell DSI controller reset if we + * cleared them. + */ + intr_status = REG_READ(INTR_STAT_REG); + if ((intr_status & 0x26FFFFFF) != 0) { + /* dev_err(dev->dev, "DSI status: 0x%08X\n", intr_status); */ + intr_status &= 0x26F3FFFF; + REG_WRITE(INTR_STAT_REG, intr_status); + } + + if (pipe == 2) { + dspcntr_reg = DSPCCNTR; + pipeconf_reg = PIPECCONF; + dsplinoff_reg = DSPCLINOFF; + dspsurf_reg = DSPCSURF; + + hs_gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; + gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET, + + reg_offset = MIPIC_REG_OFFSET; + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + fifo_stat_reg_val = REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset); + dpll_reg_val = REG_READ(dpll_reg); + dspcntr_reg_val = REG_READ(dspcntr_reg); + pipeconf_reg_val = REG_READ(pipeconf_reg); + + if (!(fifo_stat_reg_val & (1 << 27)) || + (dpll_reg_val & DPLL_VCO_ENABLE) || + !(dspcntr_reg_val & DISPLAY_PLANE_ENABLE) || + !(pipeconf_reg_val & DISPLAY_PLANE_ENABLE)) { + goto update_fb_out0; + } + + /* Refresh plane changes */ + REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg)); + REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg)); + REG_READ(dspsurf_reg); + + mdfld_dsi_send_dcs(sender, + write_mem_start, + NULL, + 0, + CMD_DATA_SRC_PIPE, + MDFLD_DSI_SEND_PACKAGE); + + /* + * The idea here is to transmit a Generic Read command after the + * Write Memory Start/Continue commands finish. This asks for + * the panel to return an "ACK No Errors," or (if it has errors + * to report) an Error Report. This allows us to monitor the + * panel's perception of the health of the DSI. + */ + mdfld_dsi_gen_fifo_ready(dev, gen_fifo_stat_reg, + HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); + REG_WRITE(hs_gen_ctrl_reg, (1 << WORD_COUNTS_POS) | GEN_READ_0); + + dbi_output->dsr_fb_update_done = true; +update_fb_out0: + gma_power_end(dev); +} + +/* + * TODO: will be removed later, should work out display interfaces for power + */ +void pyr_dsi_adapter_init(struct mdfld_dsi_config *dsi_config, int pipe) +{ + if (!dsi_config || (pipe != 0 && pipe != 2)) { + WARN_ON(1); + return; + } + pyr_dsi_controller_dbi_init(dsi_config, pipe); +} + +static int pyr_cmd_get_panel_info(struct drm_device *dev, int pipe, + struct panel_info *pi) +{ + if (!dev || !pi) + return -EINVAL; + + pi->width_mm = PYR_PANEL_WIDTH; + pi->height_mm = PYR_PANEL_HEIGHT; + + return 0; +} + +/* PYR DBI encoder helper funcs */ +static const struct drm_encoder_helper_funcs pyr_dsi_dbi_helper_funcs = { + .dpms = pyr_dsi_dbi_dpms, + .mode_fixup = pyr_dsi_dbi_mode_fixup, + .prepare = pyr_dsi_dbi_prepare, + .mode_set = pyr_dsi_dbi_mode_set, + .commit = pyr_dsi_dbi_commit, +}; + +/* PYR DBI encoder funcs */ +static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs) +{ + p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs; + p_funcs->encoder_helper_funcs = &pyr_dsi_dbi_helper_funcs; + p_funcs->get_config_mode = &pyr_cmd_get_config_mode; + p_funcs->update_fb = pyr_dsi_dbi_update_fb; + p_funcs->get_panel_info = pyr_cmd_get_panel_info; +} diff --git a/drivers/staging/gma500/mdfld_tmd_vid.c b/drivers/staging/gma500/mdfld_tmd_vid.c new file mode 100644 index 000000000000..b29c905f0771 --- /dev/null +++ b/drivers/staging/gma500/mdfld_tmd_vid.c @@ -0,0 +1,144 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jim Liu + * Jackie Li + * Gideon Eaton + */ + +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#include "mdfld_dsi_pkg_sender.h" + +#include "displays/tmd_vid.h" + +/* FIXME: static ? */ +struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev) +{ + struct drm_display_mode *mode; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; + bool use_gct = false; /*Disable GCT for now*/ + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) { + dev_err(dev->dev, "Out of memory\n"); + return NULL; + } + + if (use_gct) { + dev_dbg(dev->dev, "gct find MIPI panel.\n"); + + mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; + mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; + mode->hsync_start = mode->hdisplay + + ((ti->hsync_offset_hi << 8) | + ti->hsync_offset_lo); + mode->hsync_end = mode->hsync_start + + ((ti->hsync_pulse_width_hi << 8) | + ti->hsync_pulse_width_lo); + mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | + ti->hblank_lo); + mode->vsync_start = \ + mode->vdisplay + ((ti->vsync_offset_hi << 8) | + ti->vsync_offset_lo); + mode->vsync_end = \ + mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ + ti->vsync_pulse_width_lo); + mode->vtotal = mode->vdisplay + + ((ti->vblank_hi << 8) | ti->vblank_lo); + mode->clock = ti->pixel_clock * 10; + + dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); + dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); + dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); + dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); + dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); + dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); + dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); + dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); + dev_dbg(dev->dev, "clock is %d\n", mode->clock); + } else { + mode->hdisplay = 480; + mode->vdisplay = 854; + mode->hsync_start = 487; + mode->hsync_end = 490; + mode->htotal = 499; + mode->vsync_start = 861; + mode->vsync_end = 865; + mode->vtotal = 873; + mode->clock = 33264; + } + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + mode->type |= DRM_MODE_TYPE_PREFERRED; + + return mode; +} + +static int tmd_vid_get_panel_info(struct drm_device *dev, + int pipe, + struct panel_info *pi) +{ + if (!dev || !pi) + return -EINVAL; + + pi->width_mm = TMD_PANEL_WIDTH; + pi->height_mm = TMD_PANEL_HEIGHT; + + return 0; +} + +/* TMD DPI encoder helper funcs */ +static const struct drm_encoder_helper_funcs + mdfld_tpo_dpi_encoder_helper_funcs = { + .dpms = mdfld_dsi_dpi_dpms, + .mode_fixup = mdfld_dsi_dpi_mode_fixup, + .prepare = mdfld_dsi_dpi_prepare, + .mode_set = mdfld_dsi_dpi_mode_set, + .commit = mdfld_dsi_dpi_commit, +}; + +/* TMD DPI encoder funcs */ +static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs) +{ + if (!dev || !p_funcs) { + dev_err(dev->dev, "Invalid parameters\n"); + return; + } + + p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs; + p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs; + p_funcs->get_config_mode = &tmd_vid_get_config_mode; + p_funcs->update_fb = NULL; + p_funcs->get_panel_info = tmd_vid_get_panel_info; +} diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c new file mode 100644 index 000000000000..d2e1818bb412 --- /dev/null +++ b/drivers/staging/gma500/mdfld_tpo_cmd.c @@ -0,0 +1,495 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicensen + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Eaton + * Scott Rowe + */ + +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#include "mdfld_dsi_pkg_sender.h" + +#include "displays/tpo_cmd.h" + +static struct drm_display_mode *tpo_cmd_get_config_mode(struct drm_device *dev) +{ + struct drm_display_mode *mode; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; + bool use_gct = false; + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) + return NULL; + + if (use_gct) { + dev_dbg(dev->dev, "gct find MIPI panel.\n"); + + mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; + mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; + mode->hsync_start = mode->hdisplay + \ + ((ti->hsync_offset_hi << 8) | \ + ti->hsync_offset_lo); + mode->hsync_end = mode->hsync_start + \ + ((ti->hsync_pulse_width_hi << 8) | \ + ti->hsync_pulse_width_lo); + mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ + ti->hblank_lo); + mode->vsync_start = \ + mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ + ti->vsync_offset_lo); + mode->vsync_end = \ + mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ + ti->vsync_pulse_width_lo); + mode->vtotal = mode->vdisplay + \ + ((ti->vblank_hi << 8) | ti->vblank_lo); + mode->clock = ti->pixel_clock * 10; + + dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); + dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); + dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); + dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); + dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); + dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); + dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); + dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); + dev_dbg(dev->dev, "clock is %d\n", mode->clock); + } else { + mode->hdisplay = 864; + mode->vdisplay = 480; + mode->hsync_start = 872; + mode->hsync_end = 876; + mode->htotal = 884; + mode->vsync_start = 482; + mode->vsync_end = 494; + mode->vtotal = 486; + mode->clock = 25777; + } + + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + mode->type |= DRM_MODE_TYPE_PREFERRED; + + return mode; +} + +static bool mdfld_dsi_dbi_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_display_mode *fixed_mode = tpo_cmd_get_config_mode(dev); + + if (fixed_mode) { + adjusted_mode->hdisplay = fixed_mode->hdisplay; + adjusted_mode->hsync_start = fixed_mode->hsync_start; + adjusted_mode->hsync_end = fixed_mode->hsync_end; + adjusted_mode->htotal = fixed_mode->htotal; + adjusted_mode->vdisplay = fixed_mode->vdisplay; + adjusted_mode->vsync_start = fixed_mode->vsync_start; + adjusted_mode->vsync_end = fixed_mode->vsync_end; + adjusted_mode->vtotal = fixed_mode->vtotal; + adjusted_mode->clock = fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + kfree(fixed_mode); + } + return true; +} + +static void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on) +{ + int ret = 0; + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + /*struct drm_device *dev = dbi_output->dev;*/ + struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + u32 reg_offset = 0; + int pipe = (dbi_output->channel_num == 0) ? 0 : 2; + + dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", + pipe, on ? "On" : "Off", + dbi_output->dbi_panel_on ? "True" : "False"); + + if (pipe == 2) { + if (on) + dev_priv->dual_mipi = true; + else + dev_priv->dual_mipi = false; + reg_offset = MIPIC_REG_OFFSET; + } else { + if (!on) + dev_priv->dual_mipi = false; + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + if (on) { + if (dbi_output->dbi_panel_on) + goto out_err; + + ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON); + if (ret) { + dev_err(dev->dev, "power on error\n"); + goto out_err; + } + + dbi_output->dbi_panel_on = true; + + if (pipe == 2) + dev_priv->dbi_panel_on2 = true; + else + dev_priv->dbi_panel_on = true; + mdfld_enable_te(dev, pipe); + } else { + if (!dbi_output->dbi_panel_on && !dbi_output->first_boot) + goto out_err; + + dbi_output->dbi_panel_on = false; + dbi_output->first_boot = false; + + if (pipe == 2) + dev_priv->dbi_panel_on2 = false; + else + dev_priv->dbi_panel_on = false; + + mdfld_disable_te(dev, pipe); + + ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF); + if (ret) { + dev_err(dev->dev, "power on error\n"); + goto out_err; + } + } + +out_err: + gma_power_end(dev); + + if (ret) + dev_err(dev->dev, "failed\n"); +} + + +static void mdfld_dsi_dbi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + int ret = 0; + struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dsi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct mdfld_dsi_config *dsi_config = + mdfld_dsi_encoder_get_config(dsi_encoder); + struct mdfld_dsi_connector *dsi_connector = dsi_config->connector; + int pipe = dsi_connector->pipe; + u8 param = 0; + + /* Regs */ + u32 mipi_reg = MIPI; + u32 dspcntr_reg = DSPACNTR; + u32 pipeconf_reg = PIPEACONF; + u32 reg_offset = 0; + + /* Values */ + u32 dspcntr_val = dev_priv->dspcntr; + u32 pipeconf_val = dev_priv->pipeconf; + u32 h_active_area = mode->hdisplay; + u32 v_active_area = mode->vdisplay; + u32 mipi_val; + + mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX | + TE_TRIGGER_GPIO_PIN); + + dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val); + + dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI"); + dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay); + + if (pipe == 2) { + mipi_reg = MIPI_C; + dspcntr_reg = DSPCCNTR; + pipeconf_reg = PIPECCONF; + + reg_offset = MIPIC_REG_OFFSET; + + dspcntr_val = dev_priv->dspcntr2; + pipeconf_val = dev_priv->pipeconf2; + } else { + mipi_val |= 0x2; /*two lanes for port A and C respectively*/ + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + /* Set up pipe related registers */ + REG_WRITE(mipi_reg, mipi_val); + REG_READ(mipi_reg); + + mdfld_dsi_controller_dbi_init(dsi_config, pipe); + + msleep(20); + + REG_WRITE(dspcntr_reg, dspcntr_val); + REG_READ(dspcntr_reg); + + /* 20ms delay before sending exit_sleep_mode */ + msleep(20); + + /* Send exit_sleep_mode DCS */ + ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, + NULL, 0, CMD_DATA_SRC_SYSTEM_MEM); + if (ret) { + dev_err(dev->dev, "sent exit_sleep_mode faild\n"); + goto out_err; + } + + /* Send set_tear_on DCS */ + ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on, + ¶m, 1, CMD_DATA_SRC_SYSTEM_MEM); + if (ret) { + dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__); + goto out_err; + } + + /* Do some init stuff */ + mdfld_dsi_brightness_init(dsi_config, pipe); + + mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset), + HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); + + REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR); + REG_READ(pipeconf_reg); + + /* TODO: this looks ugly, try to move it to CRTC mode setting*/ + if (pipe == 2) + dev_priv->pipeconf2 |= PIPEACONF_DSR; + else + dev_priv->pipeconf |= PIPEACONF_DSR; + + dev_dbg(dev->dev, "pipeconf %x\n", REG_READ(pipeconf_reg)); + + ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0, + h_active_area - 1, v_active_area - 1); + if (ret) { + dev_err(dev->dev, "update area failed\n"); + goto out_err; + } + +out_err: + gma_power_end(dev); + + if (ret) + dev_err(dev->dev, "mode set failed\n"); +} + +static void mdfld_dsi_dbi_prepare(struct drm_encoder *encoder) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output + = MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + + dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER; + dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE; + + mdfld_dsi_dbi_set_power(encoder, false); +} + +static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output = + MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + struct psb_drm_dpu_rect rect; + + mdfld_dsi_dbi_set_power(encoder, true); + dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER; + + rect.x = rect.y = 0; + rect.width = 864; + rect.height = 480; + + if (dbi_output->channel_num == 1) { + dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2; +#ifdef CONFIG_MDFLD_DSI_DPU + /*if dpu enabled report a fullscreen damage*/ + mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect); +#endif + } else { + dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0; +#ifdef CONFIG_MDFLD_DSI_DPU + mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect); +#endif + } + dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE; +} + +static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode) +{ + struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); + struct mdfld_dsi_dbi_output *dbi_output + = MDFLD_DSI_DBI_OUTPUT(dsi_encoder); + struct drm_device *dev = dbi_output->dev; + struct drm_psb_private *dev_priv = dev->dev_private; + static bool bdispoff; + + dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off")); + + if (mode == DRM_MODE_DPMS_ON) { + /* + * FIXME: in case I am wrong! + * we don't need to exit dsr here to wake up plane/pipe/pll + * if everything goes right, hw_begin will resume them all + * during set_power. + */ + if (bdispoff) + mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D, 0, 0); + + mdfld_dsi_dbi_set_power(encoder, true); + /* FIXME if (gbgfxsuspended) + gbgfxsuspended = false; */ + bdispoff = false; + dev_priv->dispstatus = true; + } else { + /* + * I am not sure whether this is the perfect place to + * turn rpm on since we still have a lot of CRTC turnning + * on work to do. + */ + mdfld_dsi_dbi_set_power(encoder, false); + bdispoff = true; + dev_priv->dispstatus = false; + } +} + + +/* + * Update the DBI MIPI Panel Frame Buffer. + */ +static void mdfld_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output, + int pipe) +{ + struct mdfld_dsi_pkg_sender *sender = + mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); + struct drm_device *dev = dbi_output->dev; + struct drm_crtc *crtc = dbi_output->base.base.crtc; + struct psb_intel_crtc *psb_crtc = (crtc) ? + to_psb_intel_crtc(crtc) : NULL; + u32 dpll_reg = MRST_DPLL_A; + u32 dspcntr_reg = DSPACNTR; + u32 pipeconf_reg = PIPEACONF; + u32 dsplinoff_reg = DSPALINOFF; + u32 dspsurf_reg = DSPASURF; + u32 reg_offset = 0; + + /* If mode setting on-going, back off */ + if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || + (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) || + !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE)) + return; + + if (pipe == 2) { + dspcntr_reg = DSPCCNTR; + pipeconf_reg = PIPECCONF; + dsplinoff_reg = DSPCLINOFF; + dspsurf_reg = DSPCSURF; + reg_offset = MIPIC_REG_OFFSET; + } + + if (!gma_power_begin(dev, true)) { + dev_err(dev->dev, "hw begin failed\n"); + return; + } + + /* Check DBI FIFO status */ + if (!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) || + !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) || + !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) + goto update_fb_out0; + + /* Refresh plane changes */ + REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg)); + REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg)); + REG_READ(dspsurf_reg); + + mdfld_dsi_send_dcs(sender, + write_mem_start, + NULL, + 0, + CMD_DATA_SRC_PIPE, + MDFLD_DSI_SEND_PACKAGE); + + dbi_output->dsr_fb_update_done = true; +update_fb_out0: + gma_power_end(dev); +} + +static int tpo_cmd_get_panel_info(struct drm_device *dev, + int pipe, + struct panel_info *pi) +{ + if (!dev || !pi) + return -EINVAL; + + pi->width_mm = TPO_PANEL_WIDTH; + pi->height_mm = TPO_PANEL_HEIGHT; + + return 0; +} + + +/* TPO DBI encoder helper funcs */ +static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = { + .dpms = mdfld_dsi_dbi_dpms, + .mode_fixup = mdfld_dsi_dbi_mode_fixup, + .prepare = mdfld_dsi_dbi_prepare, + .mode_set = mdfld_dsi_dbi_mode_set, + .commit = mdfld_dsi_dbi_commit, +}; + +/* TPO DBI encoder funcs */ +static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs) +{ + p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs; + p_funcs->encoder_helper_funcs = &mdfld_dsi_dbi_helper_funcs; + p_funcs->get_config_mode = &tpo_cmd_get_config_mode; + p_funcs->update_fb = mdfld_dsi_dbi_update_fb; + p_funcs->get_panel_info = tpo_cmd_get_panel_info; +} diff --git a/drivers/staging/gma500/mdfld_tpo_vid.c b/drivers/staging/gma500/mdfld_tpo_vid.c new file mode 100644 index 000000000000..954901751760 --- /dev/null +++ b/drivers/staging/gma500/mdfld_tpo_vid.c @@ -0,0 +1,140 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu + * Jackie Li + */ + +#include "mdfld_dsi_dbi.h" +#include "mdfld_dsi_dpi.h" +#include "mdfld_dsi_output.h" +#include "mdfld_output.h" + +#include "mdfld_dsi_pkg_sender.h" + +#include "displays/tpo_vid.h" + +static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev) +{ + struct drm_display_mode *mode; + struct drm_psb_private *dev_priv = dev->dev_private; + struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; + bool use_gct = false; + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) { + dev_err(dev->dev, "out of memory\n"); + return NULL; + } + + if (use_gct) { + mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; + mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; + mode->hsync_start = mode->hdisplay + \ + ((ti->hsync_offset_hi << 8) | \ + ti->hsync_offset_lo); + mode->hsync_end = mode->hsync_start + \ + ((ti->hsync_pulse_width_hi << 8) | \ + ti->hsync_pulse_width_lo); + mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ + ti->hblank_lo); + mode->vsync_start = \ + mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ + ti->vsync_offset_lo); + mode->vsync_end = \ + mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ + ti->vsync_pulse_width_lo); + mode->vtotal = mode->vdisplay + \ + ((ti->vblank_hi << 8) | ti->vblank_lo); + mode->clock = ti->pixel_clock * 10; + + dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); + dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); + dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); + dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); + dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); + dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); + dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); + dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); + dev_dbg(dev->dev, "clock is %d\n", mode->clock); + } else { + mode->hdisplay = 864; + mode->vdisplay = 480; + mode->hsync_start = 873; + mode->hsync_end = 876; + mode->htotal = 887; + mode->vsync_start = 487; + mode->vsync_end = 490; + mode->vtotal = 499; + mode->clock = 33264; + } + + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + mode->type |= DRM_MODE_TYPE_PREFERRED; + + return mode; +} + +static int tpo_vid_get_panel_info(struct drm_device *dev, + int pipe, + struct panel_info *pi) +{ + if (!dev || !pi) + return -EINVAL; + + pi->width_mm = TPO_PANEL_WIDTH; + pi->height_mm = TPO_PANEL_HEIGHT; + + return 0; +} + +/*TPO DPI encoder helper funcs*/ +static const struct drm_encoder_helper_funcs + mdfld_tpo_dpi_encoder_helper_funcs = { + .dpms = mdfld_dsi_dpi_dpms, + .mode_fixup = mdfld_dsi_dpi_mode_fixup, + .prepare = mdfld_dsi_dpi_prepare, + .mode_set = mdfld_dsi_dpi_mode_set, + .commit = mdfld_dsi_dpi_commit, +}; + +/*TPO DPI encoder funcs*/ +static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs) +{ + if (!dev || !p_funcs) { + dev_err(dev->dev, "tpo_vid_init: Invalid parameters\n"); + return; + } + + p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs; + p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs; + p_funcs->get_config_mode = &tpo_vid_get_config_mode; + p_funcs->update_fb = NULL; + p_funcs->get_panel_info = tpo_vid_get_panel_info; +} diff --git a/drivers/staging/gma500/psb_bl.c b/drivers/staging/gma500/psb_bl.c index 4a0004732b38..c84d2615550d 100644 --- a/drivers/staging/gma500/psb_bl.c +++ b/drivers/staging/gma500/psb_bl.c @@ -105,6 +105,46 @@ int mrst_set_brightness(struct backlight_device *bd) return 0; } +int mfld_set_brightness(struct backlight_device *bd) +{ + struct drm_device *dev = bl_get_data(psb_backlight_device); + struct drm_psb_private *dev_priv = dev->dev_private; + int level = bd->props.brightness; + + DRM_DEBUG_DRIVER("backlight level set to %d\n", level); + + /* Percentage 1-100% being valid */ + if (level < 1) + level = 1; + + if (gma_power_begin(dev, 0)) { + /* Calculate and set the brightness value */ + u32 adjusted_level; + + /* Adjust the backlight level with the percent in + * dev_priv->blc_adj2; + */ + adjusted_level = level * dev_priv->blc_adj2; + adjusted_level = adjusted_level / BLC_ADJUSTMENT_MAX; +#if 0 +#ifndef CONFIG_MDFLD_DSI_DPU + if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) && + (dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){ + mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0); + dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level); + } +#endif + mdfld_dsi_brightness_control(dev, 0, adjusted_level); + + if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2)) + mdfld_dsi_brightness_control(dev, 2, adjusted_level); +#endif + gma_power_end(dev); + } + psb_brightness = level; + return 0; +} + int psb_get_brightness(struct backlight_device *bd) { /* return locally cached var instead of HW read (due to DPST etc.) */ @@ -118,6 +158,16 @@ static const struct backlight_ops psb_ops = { .update_status = psb_set_brightness, }; +static const struct backlight_ops mrst_ops = { + .get_brightness = psb_get_brightness, + .update_status = mrst_set_brightness, +}; + +static const struct backlight_ops mfld_ops = { + .get_brightness = psb_get_brightness, + .update_status = mfld_set_brightness, +}; + static int device_backlight_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; @@ -128,7 +178,11 @@ static int device_backlight_init(struct drm_device *dev) uint32_t value; uint32_t blc_pwm_precision_factor; - if (IS_MRST(dev)) { + if (IS_MFLD(dev)) { + dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX; + dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX; + return 0; + } else if (IS_MRST(dev)) { dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX; dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX; bl_max_freq = 256; @@ -190,8 +244,16 @@ int psb_backlight_init(struct drm_device *dev) props.max_brightness = 100; props.type = BACKLIGHT_PLATFORM; - psb_backlight_device = backlight_device_register("psb-bl", NULL, - (void *)dev, &psb_ops, &props); + if (IS_MFLD(dev)) + psb_backlight_device = backlight_device_register("mfld-bl", + NULL, (void *)dev, &mfld_ops, &props); + else if (IS_MRST(dev)) + psb_backlight_device = backlight_device_register("mrst-bl", + NULL, (void *)dev, &psb_ops, &props); + else + psb_backlight_device = backlight_device_register("psb-bl", + NULL, (void *)dev, &psb_ops, &props); + if (IS_ERR(psb_backlight_device)) return PTR_ERR(psb_backlight_device); diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h index 8c259b8aa0b2..c54113718be1 100644 --- a/drivers/staging/gma500/psb_drm.h +++ b/drivers/staging/gma500/psb_drm.h @@ -186,4 +186,11 @@ struct drm_psb_get_pipe_from_crtc_id_arg { u32 pipe; }; +/* FIXME: move this into a medfield header once we are sure it isn't needed for an + ioctl */ +struct psb_drm_dpu_rect { + int x, y; + int width, height; +}; + #endif diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index 3c2363a569de..8df9c5889f67 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -58,6 +58,14 @@ static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100}, { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100}, { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100}, + { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, + { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130}, { 0, 0, 0} }; MODULE_DEVICE_TABLE(pci, pciidlist); @@ -176,7 +184,9 @@ void mrst_get_fuse_settings(struct drm_device *dev) pci_write_config_dword(pci_root, 0xD0, FB_REG06); pci_read_config_dword(pci_root, 0xD4, &fuse_value); - dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE; + /* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */ + if (IS_MRST(dev)) + dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE; DRM_INFO("internal display is %s\n", dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display"); @@ -360,6 +370,7 @@ void mrst_get_vbt_data(struct drm_psb_private *dev_priv) printk(KERN_ERR "Unknown revision of GCT!\n"); vbt->size = 0; } + /* FIXME: Need to sort out Medfield panel identifiers in future */ } static void psb_get_core_freq(struct drm_device *dev) @@ -539,6 +550,8 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) if (IS_MRST(dev)) dev_priv->num_pipe = 1; + else if (IS_MFLD(dev)) + dev_priv->num_pipe = 3; else dev_priv->num_pipe = 2; @@ -554,7 +567,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) if (!dev_priv->vdc_reg) goto out_err; - if (IS_MRST(dev)) + if (IS_MRST(dev) || IS_MFLD(dev)) dev_priv->sgx_reg = ioremap(resource_start + MRST_SGX_OFFSET, PSB_SGX_SIZE); else @@ -564,7 +577,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) if (!dev_priv->sgx_reg) goto out_err; - if (IS_MRST(dev)) { + if (IS_MRST(dev) || IS_MFLD(dev)) { mrst_get_fuse_settings(dev); mrst_get_vbt_data(dev_priv); mid_get_pci_revID(dev_priv); @@ -706,6 +719,11 @@ static int psb_dc_state_ioctl(struct drm_device *dev, void * data, struct drm_psb_dc_state_arg *arg = (struct drm_psb_dc_state_arg *)data; + + /* Double check MRST case */ + if (IS_MRST(dev) || IS_MFLD(dev)) + return -EOPNOTSUPP; + flags = arg->flags; obj_id = arg->obj_id; @@ -954,6 +972,7 @@ static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, return 0; } +/* FIXME: needs Medfield changes */ static int psb_register_rw_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h index cafbfcd95416..86abf2670ea2 100644 --- a/drivers/staging/gma500/psb_drv.h +++ b/drivers/staging/gma500/psb_drv.h @@ -34,15 +34,18 @@ #include "mrst.h" /* Append new drm mode definition here, align with libdrm definition */ -#define DRM_MODE_SCALE_NO_SCALE 2 +#define DRM_MODE_SCALE_NO_SCALE 2 +#define DRM_MODE_CONNECTOR_MIPI 15 enum { CHIP_PSB_8108 = 0, /* Poulsbo */ CHIP_PSB_8109 = 1, /* Poulsbo */ CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */ + CHIP_MFLD_0130 = 3, /* Medfield */ }; #define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100) +#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130) /* * Driver definitions @@ -204,10 +207,25 @@ enum { #define PSB_WATCHDOG_DELAY (DRM_HZ * 2) #define PSB_LID_DELAY (DRM_HZ / 10) -#define MDFLD_PNW_A0 0x00 #define MDFLD_PNW_B0 0x04 #define MDFLD_PNW_C0 0x08 +#define MDFLD_DSR_2D_3D_0 (1 << 0) +#define MDFLD_DSR_2D_3D_2 (1 << 1) +#define MDFLD_DSR_CURSOR_0 (1 << 2) +#define MDFLD_DSR_CURSOR_2 (1 << 3) +#define MDFLD_DSR_OVERLAY_0 (1 << 4) +#define MDFLD_DSR_OVERLAY_2 (1 << 5) +#define MDFLD_DSR_MIPI_CONTROL (1 << 6) +#define MDFLD_DSR_DAMAGE_MASK_0 (1 << 0) | (1 << 2) | (1 << 4) +#define MDFLD_DSR_DAMAGE_MASK_2 (1 << 1) | (1 << 3) | (1 << 5) +#define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2) + +#define MDFLD_DSR_RR 45 +#define MDFLD_DPU_ENABLE (1 << 31) +#define MDFLD_DSR_FULLSCREEN (1 << 30) +#define MDFLD_DSR_DELAY (DRM_HZ / MDFLD_DSR_RR) + #define PSB_PWR_STATE_ON 1 #define PSB_PWR_STATE_OFF 2 @@ -221,6 +239,12 @@ enum { #define PSB_PCIx_MSI_ADDR_LOC 0x94 #define PSB_PCIx_MSI_DATA_LOC 0x98 +/* Medfield crystal settings */ +#define KSEL_CRYSTAL_19 1 +#define KSEL_BYPASS_19 5 +#define KSEL_BYPASS_25 6 +#define KSEL_BYPASS_83_100 7 + struct opregion_header; struct opregion_acpi; struct opregion_swsci; @@ -331,6 +355,7 @@ struct drm_psb_private { int lvds_ssc_freq; bool is_lvds_on; bool is_mipi_on; + u32 mipi_ctrl_display; unsigned int core_freq; uint32_t iLVDS_enable; @@ -338,10 +363,19 @@ struct drm_psb_private { /* Runtime PM state */ int rpm_enabled; - /* Moorestown specific */ + /* MID specific */ struct mrst_vbt vbt_data; struct mrst_gct_data gct_data; + /* MIPI Panel type etc */ + int panel_id; + bool dual_mipi; /* dual display - DPI & DBI */ + bool dpi_panel_on; /* The DPI panel power is on */ + bool dpi_panel_on2; /* The DPI panel power is on */ + bool dbi_panel_on; /* The DBI panel power is on */ + bool dbi_panel_on2; /* The DBI panel power is on */ + u32 dsr_fb_update; /* DSR FB update counter */ + /* Moorestown pipe config register value cache */ uint32_t pipeconf; uint32_t pipeconf1; @@ -376,6 +410,7 @@ struct drm_psb_private { uint32_t saveDSPAPOS; uint32_t saveDSPABASE; uint32_t saveDSPASURF; + uint32_t saveDSPASTATUS; uint32_t saveFPB0; uint32_t saveFPB1; uint32_t saveDPLL_B; @@ -391,6 +426,7 @@ struct drm_psb_private { uint32_t saveDSPBPOS; uint32_t saveDSPBBASE; uint32_t saveDSPBSURF; + uint32_t saveDSPBSTATUS; uint32_t saveVCLK_DIVISOR_VGA0; uint32_t saveVCLK_DIVISOR_VGA1; uint32_t saveVCLK_POST_DIV; @@ -461,6 +497,77 @@ struct drm_psb_private { uint32_t msi_addr; uint32_t msi_data; + /* Medfield specific register save state */ + uint32_t saveHDMIPHYMISCCTL; + uint32_t saveHDMIB_CONTROL; + uint32_t saveDSPCCNTR; + uint32_t savePIPECCONF; + uint32_t savePIPECSRC; + uint32_t saveHTOTAL_C; + uint32_t saveHBLANK_C; + uint32_t saveHSYNC_C; + uint32_t saveVTOTAL_C; + uint32_t saveVBLANK_C; + uint32_t saveVSYNC_C; + uint32_t saveDSPCSTRIDE; + uint32_t saveDSPCSIZE; + uint32_t saveDSPCPOS; + uint32_t saveDSPCSURF; + uint32_t saveDSPCSTATUS; + uint32_t saveDSPCLINOFF; + uint32_t saveDSPCTILEOFF; + uint32_t saveDSPCCURSOR_CTRL; + uint32_t saveDSPCCURSOR_BASE; + uint32_t saveDSPCCURSOR_POS; + uint32_t save_palette_c[256]; + uint32_t saveOV_OVADD_C; + uint32_t saveOV_OGAMC0_C; + uint32_t saveOV_OGAMC1_C; + uint32_t saveOV_OGAMC2_C; + uint32_t saveOV_OGAMC3_C; + uint32_t saveOV_OGAMC4_C; + uint32_t saveOV_OGAMC5_C; + + /* DSI register save */ + uint32_t saveDEVICE_READY_REG; + uint32_t saveINTR_EN_REG; + uint32_t saveDSI_FUNC_PRG_REG; + uint32_t saveHS_TX_TIMEOUT_REG; + uint32_t saveLP_RX_TIMEOUT_REG; + uint32_t saveTURN_AROUND_TIMEOUT_REG; + uint32_t saveDEVICE_RESET_REG; + uint32_t saveDPI_RESOLUTION_REG; + uint32_t saveHORIZ_SYNC_PAD_COUNT_REG; + uint32_t saveHORIZ_BACK_PORCH_COUNT_REG; + uint32_t saveHORIZ_FRONT_PORCH_COUNT_REG; + uint32_t saveHORIZ_ACTIVE_AREA_COUNT_REG; + uint32_t saveVERT_SYNC_PAD_COUNT_REG; + uint32_t saveVERT_BACK_PORCH_COUNT_REG; + uint32_t saveVERT_FRONT_PORCH_COUNT_REG; + uint32_t saveHIGH_LOW_SWITCH_COUNT_REG; + uint32_t saveINIT_COUNT_REG; + uint32_t saveMAX_RET_PAK_REG; + uint32_t saveVIDEO_FMT_REG; + uint32_t saveEOT_DISABLE_REG; + uint32_t saveLP_BYTECLK_REG; + uint32_t saveHS_LS_DBI_ENABLE_REG; + uint32_t saveTXCLKESC_REG; + uint32_t saveDPHY_PARAM_REG; + uint32_t saveMIPI_CONTROL_REG; + uint32_t saveMIPI; + uint32_t saveMIPI_C; + + /* DPST register save */ + uint32_t saveHISTOGRAM_INT_CONTROL_REG; + uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG; + uint32_t savePWM_CONTROL_LOGIC; + + /* + * DSI info. + */ + void * dbi_dsr_info; + void * dbi_dpu_info; + void * dsi_configs[2]; /* * LID-Switch */ @@ -486,6 +593,22 @@ struct drm_psb_private { uint32_t blc_adj2; void *fbdev; + + /* DPST state */ + uint32_t dsr_idle_count; + bool is_in_idle; + bool dsr_enable; + void (*exit_idle)(struct drm_device *dev, u32 update_src, void *p_surfaceAddr, bool check_hw_on_only); + + /* FIXME: Arrays anyone ? */ + struct mdfld_dsi_encoder *encoder0; + struct mdfld_dsi_encoder *encoder2; + struct mdfld_dsi_dbi_output * dbi_output; + struct mdfld_dsi_dbi_output * dbi_output2; + u32 bpp; + u32 bpp2; + + bool dispstatus; }; @@ -567,6 +690,9 @@ psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask); extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc); +extern int mdfld_enable_te(struct drm_device *dev, int pipe); +extern void mdfld_disable_te(struct drm_device *dev, int pipe); + /* * psb_opregion.c */ diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index c2d4b23b9134..8377a9978dd7 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -38,6 +38,8 @@ #include "psb_intel_drv.h" #include "psb_fb.h" +#include "mdfld_output.h" + static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, struct drm_file *file_priv, @@ -270,6 +272,8 @@ static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, case 0x12345678: if (!capable(CAP_SYS_RAWIO)) return -EPERM; + if (IS_MFLD(dev)) + return -EOPNOTSUPP; if (get_user(l, p)) return -EFAULT; if (l > 32) @@ -297,6 +301,19 @@ static struct fb_ops psbfb_ops = { .fb_ioctl = psbfb_ioctl, }; +static struct fb_ops psbfb_mfld_ops = { + .owner = THIS_MODULE, + .fb_check_var = drm_fb_helper_check_var, + .fb_set_par = drm_fb_helper_set_par, + .fb_blank = drm_fb_helper_blank, + .fb_setcolreg = psbfb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = psbfb_mmap, + .fb_ioctl = psbfb_ioctl, +}; + /** * psb_framebuffer_init - initialize a framebuffer * @dev: our DRM device @@ -346,6 +363,7 @@ static int psb_framebuffer_init(struct drm_device *dev, * * TODO: review object references */ + static struct drm_framebuffer *psb_framebuffer_create (struct drm_device *dev, struct drm_mode_fb_cmd *mode_cmd, @@ -468,7 +486,11 @@ static int psbfb_create(struct psb_fbdev *fbdev, strcpy(info->fix.id, "psbfb"); info->flags = FBINFO_DEFAULT; - info->fbops = &psbfb_ops; + /* No 2D engine */ + if (IS_MFLD(dev)) + info->fbops = &psbfb_mfld_ops; + else + info->fbops = &psbfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { @@ -781,7 +803,9 @@ static void psb_setup_outputs(struct drm_device *dev) mrst_lvds_init(dev, &dev_priv->mode_dev); else dev_err(dev->dev, "DSI is not supported\n"); - } else { + } else if (IS_MFLD(dev)) { + mdfld_output_init(dev); + } else { psb_intel_lvds_init(dev, &dev_priv->mode_dev); psb_intel_sdvo_init(dev, SDVOB); } diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c index 1bb214430350..ac0d9da99554 100644 --- a/drivers/staging/gma500/psb_intel_display.c +++ b/drivers/staging/gma500/psb_intel_display.c @@ -1,5 +1,5 @@ /* - * Copyright © 2006-2007 Intel Corporation + * Copyright © 2006-2011 Intel Corporation * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -1080,7 +1080,7 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) return 0; } -static void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, +void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, uint32_t type, uint32_t size) { struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); @@ -1241,7 +1241,7 @@ struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, return mode; } -static void psb_intel_crtc_destroy(struct drm_crtc *crtc) +void psb_intel_crtc_destroy(struct drm_crtc *crtc) { struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); struct gtt_range *gt; @@ -1303,7 +1303,14 @@ void psb_intel_crtc_init(struct drm_device *dev, int pipe, return; } - drm_crtc_init(dev, &psb_intel_crtc->base, &psb_intel_crtc_funcs); +#if 0 /* FIXME */ + if (IS_MFLD(dev)) + drm_crtc_init(dev, &psb_intel_crtc->base, + &mfld_intel_crtc_funcs); + else +#endif + drm_crtc_init(dev, &psb_intel_crtc->base, + &psb_intel_crtc_funcs); drm_mode_crtc_set_gamma_size(&psb_intel_crtc->base, 256); psb_intel_crtc->pipe = pipe; @@ -1329,6 +1336,9 @@ void psb_intel_crtc_init(struct drm_device *dev, int pipe, if (IS_MRST(dev)) drm_crtc_helper_add(&psb_intel_crtc->base, &mrst_helper_funcs); +/* else if (IS_MDFLD(dev)) + drm_crtc_helper_add(&psb_intel_crtc->base, + &mfld_helper_funcs); */ else drm_crtc_helper_add(&psb_intel_crtc->base, &psb_intel_helper_funcs); diff --git a/drivers/staging/gma500/psb_intel_display.h b/drivers/staging/gma500/psb_intel_display.h index 3724b971e91c..535b49a5e409 100644 --- a/drivers/staging/gma500/psb_intel_display.h +++ b/drivers/staging/gma500/psb_intel_display.h @@ -21,5 +21,8 @@ #define _INTEL_DISPLAY_H_ bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type); +void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, + u16 *green, u16 *blue, uint32_t type, uint32_t size); +void psb_intel_crtc_destroy(struct drm_crtc *crtc); #endif diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h index 75a95f748b18..9d7151a3bb10 100644 --- a/drivers/staging/gma500/psb_intel_drv.h +++ b/drivers/staging/gma500/psb_intel_drv.h @@ -224,4 +224,7 @@ extern int psb_intel_lvds_set_property(struct drm_connector *connector, extern void psb_intel_lvds_destroy(struct drm_connector *connector); extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; +extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe); +extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe); + #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c index 1cbc9bc050ec..850d07d2996a 100644 --- a/drivers/staging/gma500/psb_intel_lvds.c +++ b/drivers/staging/gma500/psb_intel_lvds.c @@ -388,6 +388,7 @@ bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, if (psb_intel_output->type == INTEL_OUTPUT_MIPI2) panel_fixed_mode = mode_dev->panel_fixed_mode2; + /* FIXME: review for Medfield */ /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */ if (!IS_MRST(dev) && psb_intel_crtc->pipe == 0) { printk(KERN_ERR "Can't support LVDS on pipe A\n"); diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c index 1cbfeb6f7541..3768cf19cc9d 100644 --- a/drivers/staging/gma500/psb_irq.c +++ b/drivers/staging/gma500/psb_irq.c @@ -27,7 +27,7 @@ #include "psb_reg.h" #include "psb_intel_reg.h" #include "psb_powermgmt.h" - +#include "mdfld_output.h" /* * inline functions @@ -455,6 +455,11 @@ int psb_enable_vblank(struct drm_device *dev, int pipe) uint32_t reg_val = 0; uint32_t pipeconf_reg = mid_pipeconf(pipe); + /* Medfield is different - we should perhaps extract out vblank + and blacklight etc ops */ + if (IS_MFLD(dev) && !mdfld_panel_dpi(dev)) + return mdfld_enable_te(dev, pipe); + if (gma_power_begin(dev, false)) { reg_val = REG_READ(pipeconf_reg); gma_power_end(dev); @@ -481,6 +486,8 @@ void psb_disable_vblank(struct drm_device *dev, int pipe) struct drm_psb_private *dev_priv = dev->dev_private; unsigned long irqflags; + if (IS_MFLD(dev) && !mdfld_panel_dpi(dev)) + mdfld_disable_te(dev, pipe); spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); mid_disable_pipe_event(dev_priv, pipe); @@ -489,6 +496,58 @@ void psb_disable_vblank(struct drm_device *dev, int pipe) spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); } +/** + * mdfld_enable_te - enable TE events + * @dev: our DRM device + * @pipe: which pipe to work on + * + * Enable TE events on a Medfield display pipe. Medfield specific. + */ +int mdfld_enable_te(struct drm_device *dev, int pipe) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + unsigned long flags; + uint32_t reg_val = 0; + uint32_t pipeconf_reg = mid_pipeconf(pipe); + + if (gma_power_begin(dev, false)) { + reg_val = REG_READ(pipeconf_reg); + gma_power_end(dev); + } + + if (!(reg_val & PIPEACONF_ENABLE)) + return -EINVAL; + + spin_lock_irqsave(&dev_priv->irqmask_lock, flags); + + mid_enable_pipe_event(dev_priv, pipe); + psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE); + + spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags); + + return 0; +} + +/** + * mdfld_disable_te - disable TE events + * @dev: our DRM device + * @pipe: which pipe to work on + * + * Disable TE events on a Medfield display pipe. Medfield specific. + */ +void mdfld_disable_te(struct drm_device *dev, int pipe) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + unsigned long flags; + + spin_lock_irqsave(&dev_priv->irqmask_lock, flags); + + mid_disable_pipe_event(dev_priv, pipe); + psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE); + + spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags); +} + /* Called from drm generic code, passed a 'crtc', which * we use as a pipe index */ diff --git a/drivers/staging/gma500/psb_powermgmt.c b/drivers/staging/gma500/psb_powermgmt.c index 50f2234eced0..f837ab0608ce 100644 --- a/drivers/staging/gma500/psb_powermgmt.c +++ b/drivers/staging/gma500/psb_powermgmt.c @@ -31,8 +31,16 @@ #include "psb_drv.h" #include "psb_reg.h" #include "psb_intel_reg.h" +#include "mdfld_output.h" +#include "mdfld_dsi_output.h" #include #include +#include + +/* IPC message and command defines used to enable/disable mipi panel voltages */ +#define IPC_MSG_PANEL_ON_OFF 0xE9 +#define IPC_CMD_PANEL_ON 1 +#define IPC_CMD_PANEL_OFF 0 static struct mutex power_mutex; @@ -46,6 +54,8 @@ void gma_power_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; + /* FIXME: need to sort out fetching apm_reg for both platforms ?? */ + dev_priv->apm_base = dev_priv->apm_reg & 0xffff; dev_priv->ospm_base &= 0xffff; @@ -153,6 +163,521 @@ static int restore_display_registers(struct drm_device *dev) return 0; } +/** + * mdfld_save_display_registers - save registers for pipe + * @dev: our device + * @pipe: pipe to save + * + * Save the pipe state of the device before we power it off. Keep everything + * we need to put it back again + */ +static int mdfld_save_display_registers(struct drm_device *dev, int pipe) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + int i; + + /* register */ + u32 dpll_reg = MRST_DPLL_A; + u32 fp_reg = MRST_FPA0; + u32 pipeconf_reg = PIPEACONF; + u32 htot_reg = HTOTAL_A; + u32 hblank_reg = HBLANK_A; + u32 hsync_reg = HSYNC_A; + u32 vtot_reg = VTOTAL_A; + u32 vblank_reg = VBLANK_A; + u32 vsync_reg = VSYNC_A; + u32 pipesrc_reg = PIPEASRC; + u32 dspstride_reg = DSPASTRIDE; + u32 dsplinoff_reg = DSPALINOFF; + u32 dsptileoff_reg = DSPATILEOFF; + u32 dspsize_reg = DSPASIZE; + u32 dsppos_reg = DSPAPOS; + u32 dspsurf_reg = DSPASURF; + u32 mipi_reg = MIPI; + u32 dspcntr_reg = DSPACNTR; + u32 dspstatus_reg = PIPEASTAT; + u32 palette_reg = PALETTE_A; + + /* pointer to values */ + u32 *dpll_val = &dev_priv->saveDPLL_A; + u32 *fp_val = &dev_priv->saveFPA0; + u32 *pipeconf_val = &dev_priv->savePIPEACONF; + u32 *htot_val = &dev_priv->saveHTOTAL_A; + u32 *hblank_val = &dev_priv->saveHBLANK_A; + u32 *hsync_val = &dev_priv->saveHSYNC_A; + u32 *vtot_val = &dev_priv->saveVTOTAL_A; + u32 *vblank_val = &dev_priv->saveVBLANK_A; + u32 *vsync_val = &dev_priv->saveVSYNC_A; + u32 *pipesrc_val = &dev_priv->savePIPEASRC; + u32 *dspstride_val = &dev_priv->saveDSPASTRIDE; + u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF; + u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF; + u32 *dspsize_val = &dev_priv->saveDSPASIZE; + u32 *dsppos_val = &dev_priv->saveDSPAPOS; + u32 *dspsurf_val = &dev_priv->saveDSPASURF; + u32 *mipi_val = &dev_priv->saveMIPI; + u32 *dspcntr_val = &dev_priv->saveDSPACNTR; + u32 *dspstatus_val = &dev_priv->saveDSPASTATUS; + u32 *palette_val = dev_priv->save_palette_a; + + switch (pipe) { + case 0: + break; + case 1: + /* register */ + dpll_reg = MDFLD_DPLL_B; + fp_reg = MDFLD_DPLL_DIV0; + pipeconf_reg = PIPEBCONF; + htot_reg = HTOTAL_B; + hblank_reg = HBLANK_B; + hsync_reg = HSYNC_B; + vtot_reg = VTOTAL_B; + vblank_reg = VBLANK_B; + vsync_reg = VSYNC_B; + pipesrc_reg = PIPEBSRC; + dspstride_reg = DSPBSTRIDE; + dsplinoff_reg = DSPBLINOFF; + dsptileoff_reg = DSPBTILEOFF; + dspsize_reg = DSPBSIZE; + dsppos_reg = DSPBPOS; + dspsurf_reg = DSPBSURF; + dspcntr_reg = DSPBCNTR; + dspstatus_reg = PIPEBSTAT; + palette_reg = PALETTE_B; + + /* values */ + dpll_val = &dev_priv->saveDPLL_B; + fp_val = &dev_priv->saveFPB0; + pipeconf_val = &dev_priv->savePIPEBCONF; + htot_val = &dev_priv->saveHTOTAL_B; + hblank_val = &dev_priv->saveHBLANK_B; + hsync_val = &dev_priv->saveHSYNC_B; + vtot_val = &dev_priv->saveVTOTAL_B; + vblank_val = &dev_priv->saveVBLANK_B; + vsync_val = &dev_priv->saveVSYNC_B; + pipesrc_val = &dev_priv->savePIPEBSRC; + dspstride_val = &dev_priv->saveDSPBSTRIDE; + dsplinoff_val = &dev_priv->saveDSPBLINOFF; + dsptileoff_val = &dev_priv->saveDSPBTILEOFF; + dspsize_val = &dev_priv->saveDSPBSIZE; + dsppos_val = &dev_priv->saveDSPBPOS; + dspsurf_val = &dev_priv->saveDSPBSURF; + dspcntr_val = &dev_priv->saveDSPBCNTR; + dspstatus_val = &dev_priv->saveDSPBSTATUS; + palette_val = dev_priv->save_palette_b; + break; + case 2: + /* register */ + pipeconf_reg = PIPECCONF; + htot_reg = HTOTAL_C; + hblank_reg = HBLANK_C; + hsync_reg = HSYNC_C; + vtot_reg = VTOTAL_C; + vblank_reg = VBLANK_C; + vsync_reg = VSYNC_C; + pipesrc_reg = PIPECSRC; + dspstride_reg = DSPCSTRIDE; + dsplinoff_reg = DSPCLINOFF; + dsptileoff_reg = DSPCTILEOFF; + dspsize_reg = DSPCSIZE; + dsppos_reg = DSPCPOS; + dspsurf_reg = DSPCSURF; + mipi_reg = MIPI_C; + dspcntr_reg = DSPCCNTR; + dspstatus_reg = PIPECSTAT; + palette_reg = PALETTE_C; + + /* pointer to values */ + pipeconf_val = &dev_priv->savePIPECCONF; + htot_val = &dev_priv->saveHTOTAL_C; + hblank_val = &dev_priv->saveHBLANK_C; + hsync_val = &dev_priv->saveHSYNC_C; + vtot_val = &dev_priv->saveVTOTAL_C; + vblank_val = &dev_priv->saveVBLANK_C; + vsync_val = &dev_priv->saveVSYNC_C; + pipesrc_val = &dev_priv->savePIPECSRC; + dspstride_val = &dev_priv->saveDSPCSTRIDE; + dsplinoff_val = &dev_priv->saveDSPCLINOFF; + dsptileoff_val = &dev_priv->saveDSPCTILEOFF; + dspsize_val = &dev_priv->saveDSPCSIZE; + dsppos_val = &dev_priv->saveDSPCPOS; + dspsurf_val = &dev_priv->saveDSPCSURF; + mipi_val = &dev_priv->saveMIPI_C; + dspcntr_val = &dev_priv->saveDSPCCNTR; + dspstatus_val = &dev_priv->saveDSPCSTATUS; + palette_val = dev_priv->save_palette_c; + break; + default: + DRM_ERROR("%s, invalid pipe number.\n", __func__); + return -EINVAL; + } + + /* Pipe & plane A info */ + *dpll_val = PSB_RVDC32(dpll_reg); + *fp_val = PSB_RVDC32(fp_reg); + *pipeconf_val = PSB_RVDC32(pipeconf_reg); + *htot_val = PSB_RVDC32(htot_reg); + *hblank_val = PSB_RVDC32(hblank_reg); + *hsync_val = PSB_RVDC32(hsync_reg); + *vtot_val = PSB_RVDC32(vtot_reg); + *vblank_val = PSB_RVDC32(vblank_reg); + *vsync_val = PSB_RVDC32(vsync_reg); + *pipesrc_val = PSB_RVDC32(pipesrc_reg); + *dspstride_val = PSB_RVDC32(dspstride_reg); + *dsplinoff_val = PSB_RVDC32(dsplinoff_reg); + *dsptileoff_val = PSB_RVDC32(dsptileoff_reg); + *dspsize_val = PSB_RVDC32(dspsize_reg); + *dsppos_val = PSB_RVDC32(dsppos_reg); + *dspsurf_val = PSB_RVDC32(dspsurf_reg); + *dspcntr_val = PSB_RVDC32(dspcntr_reg); + *dspstatus_val = PSB_RVDC32(dspstatus_reg); + + /*save palette (gamma) */ + for (i = 0; i < 256; i++) + palette_val[i] = PSB_RVDC32(palette_reg + (i<<2)); + + if (pipe == 1) { + dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL); + dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS); + dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL); + dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL); + return 0; + } + *mipi_val = PSB_RVDC32(mipi_reg); + return 0; +} + +/** + * mdfld_save_cursor_overlay_registers - save cursor overlay info + * @dev: our device + * + * Save the cursor and overlay register state + */ +static int mdfld_save_cursor_overlay_registers(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + + /* Save cursor regs */ + dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR); + dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE); + dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS); + + dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR); + dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE); + dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS); + + dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR); + dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE); + dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS); + + /* HW overlay */ + dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD); + dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0); + dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1); + dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2); + dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3); + dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4); + dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5); + + dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET); + dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET); + dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET); + dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET); + dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET); + dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET); + dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET); + + return 0; +} +/* + * mdfld_restore_display_registers - restore the state of a pipe + * @dev: our device + * @pipe: the pipe to restore + * + * Restore the state of a pipe to that which was saved by the register save + * functions. + */ +static int mdfld_restore_display_registers(struct drm_device *dev, int pipe) +{ + /* To get panel out of ULPS mode */ + struct drm_psb_private *dev_priv = dev->dev_private; + struct mdfld_dsi_config *dsi_config = NULL; + u32 i = 0; + u32 dpll = 0; + u32 timeout = 0; + u32 reg_offset = 0; + + /* register */ + u32 dpll_reg = MRST_DPLL_A; + u32 fp_reg = MRST_FPA0; + u32 pipeconf_reg = PIPEACONF; + u32 htot_reg = HTOTAL_A; + u32 hblank_reg = HBLANK_A; + u32 hsync_reg = HSYNC_A; + u32 vtot_reg = VTOTAL_A; + u32 vblank_reg = VBLANK_A; + u32 vsync_reg = VSYNC_A; + u32 pipesrc_reg = PIPEASRC; + u32 dspstride_reg = DSPASTRIDE; + u32 dsplinoff_reg = DSPALINOFF; + u32 dsptileoff_reg = DSPATILEOFF; + u32 dspsize_reg = DSPASIZE; + u32 dsppos_reg = DSPAPOS; + u32 dspsurf_reg = DSPASURF; + u32 dspstatus_reg = PIPEASTAT; + u32 mipi_reg = MIPI; + u32 dspcntr_reg = DSPACNTR; + u32 palette_reg = PALETTE_A; + + /* values */ + u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE; + u32 fp_val = dev_priv->saveFPA0; + u32 pipeconf_val = dev_priv->savePIPEACONF; + u32 htot_val = dev_priv->saveHTOTAL_A; + u32 hblank_val = dev_priv->saveHBLANK_A; + u32 hsync_val = dev_priv->saveHSYNC_A; + u32 vtot_val = dev_priv->saveVTOTAL_A; + u32 vblank_val = dev_priv->saveVBLANK_A; + u32 vsync_val = dev_priv->saveVSYNC_A; + u32 pipesrc_val = dev_priv->savePIPEASRC; + u32 dspstride_val = dev_priv->saveDSPASTRIDE; + u32 dsplinoff_val = dev_priv->saveDSPALINOFF; + u32 dsptileoff_val = dev_priv->saveDSPATILEOFF; + u32 dspsize_val = dev_priv->saveDSPASIZE; + u32 dsppos_val = dev_priv->saveDSPAPOS; + u32 dspsurf_val = dev_priv->saveDSPASURF; + u32 dspstatus_val = dev_priv->saveDSPASTATUS; + u32 mipi_val = dev_priv->saveMIPI; + u32 dspcntr_val = dev_priv->saveDSPACNTR; + u32 *palette_val = dev_priv->save_palette_a; + + switch (pipe) { + case 0: + dsi_config = dev_priv->dsi_configs[0]; + break; + case 1: + /* register */ + dpll_reg = MDFLD_DPLL_B; + fp_reg = MDFLD_DPLL_DIV0; + pipeconf_reg = PIPEBCONF; + htot_reg = HTOTAL_B; + hblank_reg = HBLANK_B; + hsync_reg = HSYNC_B; + vtot_reg = VTOTAL_B; + vblank_reg = VBLANK_B; + vsync_reg = VSYNC_B; + pipesrc_reg = PIPEBSRC; + dspstride_reg = DSPBSTRIDE; + dsplinoff_reg = DSPBLINOFF; + dsptileoff_reg = DSPBTILEOFF; + dspsize_reg = DSPBSIZE; + dsppos_reg = DSPBPOS; + dspsurf_reg = DSPBSURF; + dspcntr_reg = DSPBCNTR; + palette_reg = PALETTE_B; + dspstatus_reg = PIPEBSTAT; + + /* values */ + dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE; + fp_val = dev_priv->saveFPB0; + pipeconf_val = dev_priv->savePIPEBCONF; + htot_val = dev_priv->saveHTOTAL_B; + hblank_val = dev_priv->saveHBLANK_B; + hsync_val = dev_priv->saveHSYNC_B; + vtot_val = dev_priv->saveVTOTAL_B; + vblank_val = dev_priv->saveVBLANK_B; + vsync_val = dev_priv->saveVSYNC_B; + pipesrc_val = dev_priv->savePIPEBSRC; + dspstride_val = dev_priv->saveDSPBSTRIDE; + dsplinoff_val = dev_priv->saveDSPBLINOFF; + dsptileoff_val = dev_priv->saveDSPBTILEOFF; + dspsize_val = dev_priv->saveDSPBSIZE; + dsppos_val = dev_priv->saveDSPBPOS; + dspsurf_val = dev_priv->saveDSPBSURF; + dspcntr_val = dev_priv->saveDSPBCNTR; + dspstatus_val = dev_priv->saveDSPBSTATUS; + palette_val = dev_priv->save_palette_b; + break; + case 2: + reg_offset = MIPIC_REG_OFFSET; + + /* register */ + pipeconf_reg = PIPECCONF; + htot_reg = HTOTAL_C; + hblank_reg = HBLANK_C; + hsync_reg = HSYNC_C; + vtot_reg = VTOTAL_C; + vblank_reg = VBLANK_C; + vsync_reg = VSYNC_C; + pipesrc_reg = PIPECSRC; + dspstride_reg = DSPCSTRIDE; + dsplinoff_reg = DSPCLINOFF; + dsptileoff_reg = DSPCTILEOFF; + dspsize_reg = DSPCSIZE; + dsppos_reg = DSPCPOS; + dspsurf_reg = DSPCSURF; + mipi_reg = MIPI_C; + dspcntr_reg = DSPCCNTR; + palette_reg = PALETTE_C; + dspstatus_reg = PIPECSTAT; + + /* values */ + pipeconf_val = dev_priv->savePIPECCONF; + htot_val = dev_priv->saveHTOTAL_C; + hblank_val = dev_priv->saveHBLANK_C; + hsync_val = dev_priv->saveHSYNC_C; + vtot_val = dev_priv->saveVTOTAL_C; + vblank_val = dev_priv->saveVBLANK_C; + vsync_val = dev_priv->saveVSYNC_C; + pipesrc_val = dev_priv->savePIPECSRC; + dspstride_val = dev_priv->saveDSPCSTRIDE; + dsplinoff_val = dev_priv->saveDSPCLINOFF; + dsptileoff_val = dev_priv->saveDSPCTILEOFF; + dspsize_val = dev_priv->saveDSPCSIZE; + dsppos_val = dev_priv->saveDSPCPOS; + dspsurf_val = dev_priv->saveDSPCSURF; + dspstatus_val = dev_priv->saveDSPCSTATUS; + mipi_val = dev_priv->saveMIPI_C; + dspcntr_val = dev_priv->saveDSPCCNTR; + palette_val = dev_priv->save_palette_c; + + dsi_config = dev_priv->dsi_configs[1]; + break; + default: + DRM_ERROR("%s, invalid pipe number.\n", __func__); + return -EINVAL; + } + + /* Make sure VGA plane is off. it initializes to on after reset!*/ + PSB_WVDC32(0x80000000, VGACNTRL); + if (pipe == 1) { + PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg); + PSB_RVDC32(dpll_reg); + + PSB_WVDC32(fp_val, fp_reg); + } else { + dpll = PSB_RVDC32(dpll_reg); + + if (!(dpll & DPLL_VCO_ENABLE)) { + + /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ + if (dpll & MDFLD_PWR_GATE_EN) { + dpll &= ~MDFLD_PWR_GATE_EN; + PSB_WVDC32(dpll, dpll_reg); + udelay(500); /* FIXME: 1 ? */ + } + + PSB_WVDC32(fp_val, fp_reg); + PSB_WVDC32(dpll_val, dpll_reg); + /* FIXME_MDFLD PO - change 500 to 1 after PO */ + udelay(500); + + dpll_val |= DPLL_VCO_ENABLE; + PSB_WVDC32(dpll_val, dpll_reg); + PSB_RVDC32(dpll_reg); + + /* wait for DSI PLL to lock */ + while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { + udelay(150); + timeout++; + } + + if (timeout == 20000) { + DRM_ERROR("%s, can't lock DSIPLL.\n", + __func__); + return -EINVAL; + } + } + } + /* Restore mode */ + PSB_WVDC32(htot_val, htot_reg); + PSB_WVDC32(hblank_val, hblank_reg); + PSB_WVDC32(hsync_val, hsync_reg); + PSB_WVDC32(vtot_val, vtot_reg); + PSB_WVDC32(vblank_val, vblank_reg); + PSB_WVDC32(vsync_val, vsync_reg); + PSB_WVDC32(pipesrc_val, pipesrc_reg); + PSB_WVDC32(dspstatus_val, dspstatus_reg); + + /* Set up the plane */ + PSB_WVDC32(dspstride_val, dspstride_reg); + PSB_WVDC32(dsplinoff_val, dsplinoff_reg); + PSB_WVDC32(dsptileoff_val, dsptileoff_reg); + PSB_WVDC32(dspsize_val, dspsize_reg); + PSB_WVDC32(dsppos_val, dsppos_reg); + PSB_WVDC32(dspsurf_val, dspsurf_reg); + + if (pipe == 1) { + PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL); + PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS); + PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL); + PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL); + + } else { + /* Set up pipe related registers */ + PSB_WVDC32(mipi_val, mipi_reg); + /* Setup MIPI adapter + MIPI IP registers */ + mdfld_dsi_controller_init(dsi_config, pipe); + msleep(20); + } + /* Enable the plane */ + PSB_WVDC32(dspcntr_val, dspcntr_reg); + msleep(20); + /* Enable the pipe */ + PSB_WVDC32(pipeconf_val, pipeconf_reg); + + for (i = 0; i < 256; i++) + PSB_WVDC32(palette_val[i], palette_reg + (i<<2)); + if (pipe == 1) + return 0; + if (IS_MFLD(dev) && !mdfld_panel_dpi(dev)) + mdfld_enable_te(dev, pipe); + return 0; +} + +/** + * mdfld_restore_cursor_overlay_registers - restore cursor + * @dev: our device + * + * Restore the cursor and overlay state that was saved earlier + */ +static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev) +{ + struct drm_psb_private *dev_priv = dev->dev_private; + + /* Enable Cursor A */ + PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR); + PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS); + PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE); + + PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR); + PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS); + PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE); + + PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR); + PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS); + PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE); + + /* Restore HW overlay */ + PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD); + PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0); + PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1); + PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2); + PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3); + PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4); + PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5); + + PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET); + PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET); + + return 0; +} + /** * power_down - power down the display island * @dev: our DRM device @@ -186,6 +711,10 @@ static void power_down(struct drm_device *dev) * @dev: our DRM device * * Suspend the display logic of the graphics interface + * + * FIXME: This ought to be replaced by a dev_priv-> ops interface + * where the various platforms register their save/restore methods + * and keep them in their own support files. */ static void gma_suspend_display(struct drm_device *dev) { @@ -195,38 +724,57 @@ static void gma_suspend_display(struct drm_device *dev) if (dev_priv->suspended) return; - save_display_registers(dev); - - if (dev_priv->iLVDS_enable) { - /*shutdown the panel*/ - PSB_WVDC32(0, PP_CONTROL); - - do { - pp_stat = PSB_RVDC32(PP_STATUS); - } while (pp_stat & 0x80000000); - - /*turn off the plane*/ - PSB_WVDC32(0x58000000, DSPACNTR); - PSB_WVDC32(0, DSPASURF);/*trigger the plane disable*/ - /*wait ~4 ticks*/ - msleep(4); - - /*turn off pipe*/ - PSB_WVDC32(0x0, PIPEACONF); - /*wait ~8 ticks*/ - msleep(8); - - /*turn off PLLs*/ - PSB_WVDC32(0, MRST_DPLL_A); + if (IS_MFLD(dev)) { + /* FIXME: We need to shut down panels here if using them + and once the right bits are merged */ + mdfld_save_cursor_overlay_registers(dev); + mdfld_save_display_registers(dev, 0); + mdfld_save_display_registers(dev, 0); + mdfld_save_display_registers(dev, 2); + mdfld_save_display_registers(dev, 1); + mdfld_disable_crtc(dev, 0); + mdfld_disable_crtc(dev, 2); + mdfld_disable_crtc(dev, 1); } else { - PSB_WVDC32(DPI_SHUT_DOWN, DPI_CONTROL_REG); - PSB_WVDC32(0x0, PIPEACONF); - PSB_WVDC32(0x2faf0000, BLC_PWM_CTL); - while (REG_READ(0x70008) & 0x40000000); - while ((PSB_RVDC32(GEN_FIFO_STAT_REG) & DPI_FIFO_EMPTY) - != DPI_FIFO_EMPTY); - PSB_WVDC32(0, DEVICE_READY_REG); - /* turn off panel power */ + save_display_registers(dev); + + if (dev_priv->iLVDS_enable) { + /*shutdown the panel*/ + PSB_WVDC32(0, PP_CONTROL); + + do { + pp_stat = PSB_RVDC32(PP_STATUS); + } while (pp_stat & 0x80000000); + + /* Turn off the plane */ + PSB_WVDC32(0x58000000, DSPACNTR); + PSB_WVDC32(0, DSPASURF);/*trigger the plane disable*/ + /* Wait ~4 ticks */ + msleep(4); + + /* Turn off pipe */ + PSB_WVDC32(0x0, PIPEACONF); + /* Wait ~8 ticks */ + msleep(8); + + /* Turn off PLLs */ + PSB_WVDC32(0, MRST_DPLL_A); + } else { + PSB_WVDC32(DPI_SHUT_DOWN, DPI_CONTROL_REG); + PSB_WVDC32(0x0, PIPEACONF); + PSB_WVDC32(0x2faf0000, BLC_PWM_CTL); + while (REG_READ(0x70008) & 0x40000000) + cpu_relax(); + while ((PSB_RVDC32(GEN_FIFO_STAT_REG) & DPI_FIFO_EMPTY) + != DPI_FIFO_EMPTY) + cpu_relax(); + PSB_WVDC32(0, DEVICE_READY_REG); + /* Turn off panel power */ +#ifdef CONFIG_X86_MRST + intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF, + IPC_CMD_PANEL_OFF); +#endif + } } power_down(dev); } @@ -286,7 +834,21 @@ static void gma_resume_display(struct pci_dev *pdev) * above. */ /*psb_gtt_init(dev_priv->pg, 1);*/ - + if (IS_MFLD(dev)) { + mdfld_restore_display_registers(dev, 1); + mdfld_restore_display_registers(dev, 0); + mdfld_restore_display_registers(dev, 2); + mdfld_restore_cursor_overlay_registers(dev); + } else if (IS_MRST(dev)) { + if (!dev_priv->iLVDS_enable) { +#ifdef CONFIG_X86_MRST + intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF, + IPC_CMD_PANEL_ON); + /* FIXME: can we avoid this delay ? */ + msleep(2000); /* wait 2 seconds */ +#endif + } + } restore_display_registers(dev); }