From 83fc083cbbe0147519b1a62770171041c19e8752 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 5 Jul 2011 13:08:40 +1000 Subject: [PATCH] drm/nvd0/disp: start on SOR encoder functions Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvd0_display.c | 203 ++++++++++++++++++++++++- 1 file changed, 202 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index 6339a3d00363..3a2a4bb1276d 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -23,7 +23,9 @@ */ #include + #include "drmP.h" +#include "drm_crtc_helper.h" #include "nouveau_drv.h" #include "nouveau_connector.h" @@ -92,6 +94,12 @@ evo_kick(u32 *push, struct drm_device *dev, int id) #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m)) #define evo_data(p,d) *((p)++) = (d) +static struct drm_crtc * +nvd0_display_crtc_get(struct drm_encoder *encoder) +{ + return nouveau_encoder(encoder)->crtc; +} + /****************************************************************************** * DAC *****************************************************************************/ @@ -99,6 +107,163 @@ evo_kick(u32 *push, struct drm_device *dev, int id) /****************************************************************************** * SOR *****************************************************************************/ +static void +nvd0_sor_dpms(struct drm_encoder *encoder, int mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_device *dev = encoder->dev; + struct drm_encoder *partner; + int or = nv_encoder->or; + u32 dpms_ctrl; + + nv_encoder->last_dpms = mode; + + list_for_each_entry(partner, &dev->mode_config.encoder_list, head) { + struct nouveau_encoder *nv_partner = nouveau_encoder(partner); + + if (partner->encoder_type != DRM_MODE_ENCODER_TMDS) + continue; + + if (nv_partner != nv_encoder && + nv_partner->dcb->or == nv_encoder->or) { + if (nv_partner->last_dpms == DRM_MODE_DPMS_ON) + return; + break; + } + } + + dpms_ctrl = (mode == DRM_MODE_DPMS_ON); + dpms_ctrl |= 0x80000000; + + nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000); + nv_mask(dev, 0x61c004 + (or * 0x0800), 0x80000001, dpms_ctrl); + nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000); + nv_wait(dev, 0x61c030 + (or * 0x0800), 0x10000000, 0x00000000); +} + +static bool +nvd0_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_connector *nv_connector; + + nv_connector = nouveau_encoder_connector_get(nv_encoder); + if (nv_connector && nv_connector->native_mode) { + if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) { + int id = adjusted_mode->base.id; + *adjusted_mode = *nv_connector->native_mode; + adjusted_mode->base.id = id; + } + } + + return true; +} + +static void +nvd0_sor_prepare(struct drm_encoder *encoder) +{ +} + +static void +nvd0_sor_commit(struct drm_encoder *encoder) +{ +} + +static void +nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); + u32 mode_ctrl = (1 << nv_crtc->index); + u32 *push; + + if (nv_encoder->dcb->sorconf.link & 1) { + if (adjusted_mode->clock < 165000) + mode_ctrl |= 0x00000100; + else + mode_ctrl |= 0x00000500; + } else { + mode_ctrl |= 0x00000200; + } + + nvd0_sor_dpms(encoder, DRM_MODE_DPMS_ON); + + push = evo_wait(encoder->dev, 0, 2); + if (push) { + evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1); + evo_data(push, mode_ctrl); + } + + nv_encoder->crtc = encoder->crtc; +} + +static void +nvd0_sor_disconnect(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_device *dev = encoder->dev; + + if (nv_encoder->crtc) { + u32 *push = evo_wait(dev, 0, 4); + if (push) { + evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1); + evo_data(push, 0x00000000); + evo_mthd(push, 0x0080, 1); + evo_data(push, 0x00000000); + evo_kick(push, dev, 0); + } + + nv_encoder->crtc = NULL; + nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; + } +} + +static void +nvd0_sor_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +static const struct drm_encoder_helper_funcs nvd0_sor_hfunc = { + .dpms = nvd0_sor_dpms, + .mode_fixup = nvd0_sor_mode_fixup, + .prepare = nvd0_sor_prepare, + .commit = nvd0_sor_commit, + .mode_set = nvd0_sor_mode_set, + .disable = nvd0_sor_disconnect, + .get_crtc = nvd0_display_crtc_get, +}; + +static const struct drm_encoder_funcs nvd0_sor_func = { + .destroy = nvd0_sor_destroy, +}; + +static int +nvd0_sor_create(struct drm_connector *connector, struct dcb_entry *dcbe) +{ + struct drm_device *dev = connector->dev; + struct nouveau_encoder *nv_encoder; + struct drm_encoder *encoder; + + nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); + if (!nv_encoder) + return -ENOMEM; + nv_encoder->dcb = dcbe; + nv_encoder->or = ffs(dcbe->or) - 1; + nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; + + encoder = to_drm_encoder(nv_encoder); + encoder->possible_crtcs = dcbe->heads; + encoder->possible_clones = 0; + drm_encoder_init(dev, encoder, &nvd0_sor_func, DRM_MODE_ENCODER_TMDS); + drm_encoder_helper_add(encoder, &nvd0_sor_hfunc); + + drm_mode_connector_attach_encoder(connector, encoder); + return 0; +} /****************************************************************************** * IRQ @@ -256,15 +421,51 @@ nvd0_display_create(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem; + struct dcb_table *dcb = &dev_priv->vbios.dcb; + struct drm_connector *connector, *tmp; struct pci_dev *pdev = dev->pdev; struct nvd0_display *disp; - int ret; + struct dcb_entry *dcbe; + int ret, i; disp = kzalloc(sizeof(*disp), GFP_KERNEL); if (!disp) return -ENOMEM; dev_priv->engine.display.priv = disp; + /* create encoder/connector objects based on VBIOS DCB table */ + for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) { + connector = nouveau_connector_create(dev, dcbe->connector); + if (IS_ERR(connector)) + continue; + + if (dcbe->location != DCB_LOC_ON_CHIP) { + NV_WARN(dev, "skipping off-chip encoder %d/%d\n", + dcbe->type, ffs(dcbe->or) - 1); + continue; + } + + switch (dcbe->type) { + case OUTPUT_TMDS: + nvd0_sor_create(connector, dcbe); + break; + default: + NV_WARN(dev, "skipping unsupported encoder %d/%d\n", + dcbe->type, ffs(dcbe->or) - 1); + continue; + } + } + + /* cull any connectors we created that don't have an encoder */ + list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) { + if (connector->encoder_ids[0]) + continue; + + NV_WARN(dev, "%s has no encoders, removing\n", + drm_get_connector_name(connector)); + connector->funcs->destroy(connector); + } + /* setup interrupt handling */ nouveau_irq_register(dev, 26, nvd0_display_intr); -- 2.39.5