From 25575b414c2137a16b313bdfdeab570b70080f37 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 5 Oct 2011 11:05:07 +1000 Subject: [PATCH] drm/nouveau/hdmi: build ELD from EDID, notify audio driver of its presence Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 2 +- drivers/gpu/drm/nouveau/nouveau_drv.h | 3 + drivers/gpu/drm/nouveau/nouveau_hdmi.c | 103 +++++++++++++++++++++++++ drivers/gpu/drm/nouveau/nv50_sor.c | 4 + 4 files changed, 111 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/nouveau/nouveau_hdmi.c diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 75ef7664f12..cdd9c3d0914 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -9,7 +9,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nouveau_bo.o nouveau_fence.o nouveau_gem.o nouveau_ttm.o \ nouveau_hw.o nouveau_calc.o nouveau_bios.o nouveau_i2c.o \ nouveau_display.o nouveau_connector.o nouveau_fbcon.o \ - nouveau_dp.o nouveau_ramht.o \ + nouveau_hdmi.o nouveau_dp.o nouveau_ramht.o \ nouveau_pm.o nouveau_volt.o nouveau_perf.o nouveau_temp.o \ nouveau_mm.o nouveau_vm.o \ nv04_timer.o \ diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 880fdd183bf..c99490d6ee7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1109,6 +1109,9 @@ int nouveau_ttm_global_init(struct drm_nouveau_private *); void nouveau_ttm_global_release(struct drm_nouveau_private *); int nouveau_ttm_mmap(struct file *, struct vm_area_struct *); +/* nouveau_hdmi.c */ +void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *); + /* nouveau_dp.c */ int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, uint8_t *data, int data_nr); diff --git a/drivers/gpu/drm/nouveau/nouveau_hdmi.c b/drivers/gpu/drm/nouveau/nouveau_hdmi.c new file mode 100644 index 00000000000..489a2418a22 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_hdmi.c @@ -0,0 +1,103 @@ +/* + * Copyright 2011 Red Hat Inc. + * + * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs + */ + +#include "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_connector.h" +#include "nouveau_encoder.h" + +static bool +hdmi_sor(struct drm_encoder *encoder) +{ + struct drm_nouveau_private *dev_priv = encoder->dev->dev_private; + if (dev_priv->chipset < 0xa3) + return false; + return true; +} + +static void +nouveau_audio_disconnect(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_device *dev = encoder->dev; + int or = nv_encoder->or * 0x800; + + if (hdmi_sor(encoder)) { + nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000); + } +} + +static void +nouveau_audio_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_connector *nv_connector; + struct drm_device *dev = encoder->dev; + u32 or = nv_encoder->or * 0x800; + int i; + + nv_connector = nouveau_encoder_connector_get(nv_encoder); + if (!drm_detect_monitor_audio(nv_connector->edid)) { + nouveau_audio_disconnect(encoder); + return; + } + + if (hdmi_sor(encoder)) { + nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001); + + drm_edid_to_eld(&nv_connector->base, nv_connector->edid); + if (nv_connector->base.eld[0]) { + u8 *eld = nv_connector->base.eld; + for (i = 0; i < eld[2] * 4; i++) + nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]); + for (i = eld[2] * 4; i < 0x60; i++) + nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00); + nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002); + } + } +} + +static void +nouveau_hdmi_disconnect(struct drm_encoder *encoder) +{ + nouveau_audio_disconnect(encoder); +} + +void +nouveau_hdmi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_connector *nv_connector; + + nv_connector = nouveau_encoder_connector_get(nv_encoder); + if (!mode || !nv_connector || !nv_connector->edid || + !drm_detect_hdmi_monitor(nv_connector->edid)) { + nouveau_hdmi_disconnect(encoder); + return; + } + + nouveau_audio_mode_set(encoder, mode); +} diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c index 2633aa8554e..2a638aeb506 100644 --- a/drivers/gpu/drm/nouveau/nv50_sor.c +++ b/drivers/gpu/drm/nouveau/nv50_sor.c @@ -60,6 +60,8 @@ nv50_sor_disconnect(struct drm_encoder *encoder) BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); OUT_RING (evo, 0); + nouveau_hdmi_mode_set(encoder, NULL); + nv_encoder->crtc = NULL; nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; } @@ -203,6 +205,8 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, mode_ctl = 0x0500; } else mode_ctl = 0x0200; + + nouveau_hdmi_mode_set(encoder, mode); break; case OUTPUT_DP: nv_connector = nouveau_encoder_connector_get(nv_encoder); -- 2.39.5