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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c310
1 files changed, 245 insertions, 65 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 2d7f47b56b6a..2ead3bf7c21d 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -37,19 +37,7 @@
#include "i915_drm.h"
#include "i915_drv.h"
-struct intel_hdmi {
- struct intel_encoder base;
- u32 sdvox_reg;
- int ddc_bus;
- uint32_t color_range;
- bool has_hdmi_sink;
- bool has_audio;
- enum hdmi_force_audio force_audio;
- void (*write_infoframe)(struct drm_encoder *encoder,
- struct dip_infoframe *frame);
-};
-
-static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
+struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
{
return container_of(encoder, struct intel_hdmi, base.base);
}
@@ -75,108 +63,246 @@ void intel_dip_infoframe_csum(struct dip_infoframe *frame)
frame->checksum = 0x100 - sum;
}
-static u32 intel_infoframe_index(struct dip_infoframe *frame)
+static u32 g4x_infoframe_index(struct dip_infoframe *frame)
{
- u32 flags = 0;
-
switch (frame->type) {
case DIP_TYPE_AVI:
- flags |= VIDEO_DIP_SELECT_AVI;
- break;
+ return VIDEO_DIP_SELECT_AVI;
case DIP_TYPE_SPD:
- flags |= VIDEO_DIP_SELECT_SPD;
- break;
+ return VIDEO_DIP_SELECT_SPD;
default:
DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
- break;
+ return 0;
}
-
- return flags;
}
-static u32 intel_infoframe_flags(struct dip_infoframe *frame)
+static u32 g4x_infoframe_enable(struct dip_infoframe *frame)
{
- u32 flags = 0;
+ switch (frame->type) {
+ case DIP_TYPE_AVI:
+ return VIDEO_DIP_ENABLE_AVI;
+ case DIP_TYPE_SPD:
+ return VIDEO_DIP_ENABLE_SPD;
+ default:
+ DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
+ return 0;
+ }
+}
+static u32 hsw_infoframe_enable(struct dip_infoframe *frame)
+{
switch (frame->type) {
case DIP_TYPE_AVI:
- flags |= VIDEO_DIP_ENABLE_AVI | VIDEO_DIP_FREQ_VSYNC;
- break;
+ return VIDEO_DIP_ENABLE_AVI_HSW;
case DIP_TYPE_SPD:
- flags |= VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_FREQ_VSYNC;
- break;
+ return VIDEO_DIP_ENABLE_SPD_HSW;
default:
DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
- break;
+ return 0;
}
+}
- return flags;
+static u32 hsw_infoframe_data_reg(struct dip_infoframe *frame, enum pipe pipe)
+{
+ switch (frame->type) {
+ case DIP_TYPE_AVI:
+ return HSW_TVIDEO_DIP_AVI_DATA(pipe);
+ case DIP_TYPE_SPD:
+ return HSW_TVIDEO_DIP_SPD_DATA(pipe);
+ default:
+ DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
+ return 0;
+ }
}
-static void i9xx_write_infoframe(struct drm_encoder *encoder,
- struct dip_infoframe *frame)
+static void g4x_write_infoframe(struct drm_encoder *encoder,
+ struct dip_infoframe *frame)
{
uint32_t *data = (uint32_t *)frame;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
- u32 port, flags, val = I915_READ(VIDEO_DIP_CTL);
+ u32 val = I915_READ(VIDEO_DIP_CTL);
unsigned i, len = DIP_HEADER_SIZE + frame->len;
-
- /* XXX first guess at handling video port, is this corrent? */
+ val &= ~VIDEO_DIP_PORT_MASK;
if (intel_hdmi->sdvox_reg == SDVOB)
- port = VIDEO_DIP_PORT_B;
+ val |= VIDEO_DIP_PORT_B;
else if (intel_hdmi->sdvox_reg == SDVOC)
- port = VIDEO_DIP_PORT_C;
+ val |= VIDEO_DIP_PORT_C;
else
return;
- flags = intel_infoframe_index(frame);
+ val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
+ val |= g4x_infoframe_index(frame);
- val &= ~VIDEO_DIP_SELECT_MASK;
+ val &= ~g4x_infoframe_enable(frame);
+ val |= VIDEO_DIP_ENABLE;
- I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
+ I915_WRITE(VIDEO_DIP_CTL, val);
for (i = 0; i < len; i += 4) {
I915_WRITE(VIDEO_DIP_DATA, *data);
data++;
}
- flags |= intel_infoframe_flags(frame);
+ val |= g4x_infoframe_enable(frame);
+ val &= ~VIDEO_DIP_FREQ_MASK;
+ val |= VIDEO_DIP_FREQ_VSYNC;
- I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
+ I915_WRITE(VIDEO_DIP_CTL, val);
}
-static void ironlake_write_infoframe(struct drm_encoder *encoder,
- struct dip_infoframe *frame)
+static void ibx_write_infoframe(struct drm_encoder *encoder,
+ struct dip_infoframe *frame)
{
uint32_t *data = (uint32_t *)frame;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc = encoder->crtc;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
unsigned i, len = DIP_HEADER_SIZE + frame->len;
- u32 flags, val = I915_READ(reg);
+ u32 val = I915_READ(reg);
+
+ val &= ~VIDEO_DIP_PORT_MASK;
+ switch (intel_hdmi->sdvox_reg) {
+ case HDMIB:
+ val |= VIDEO_DIP_PORT_B;
+ break;
+ case HDMIC:
+ val |= VIDEO_DIP_PORT_C;
+ break;
+ case HDMID:
+ val |= VIDEO_DIP_PORT_D;
+ break;
+ default:
+ return;
+ }
intel_wait_for_vblank(dev, intel_crtc->pipe);
- flags = intel_infoframe_index(frame);
+ val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
+ val |= g4x_infoframe_index(frame);
+
+ val &= ~g4x_infoframe_enable(frame);
+ val |= VIDEO_DIP_ENABLE;
+
+ I915_WRITE(reg, val);
+
+ for (i = 0; i < len; i += 4) {
+ I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
+ data++;
+ }
+
+ val |= g4x_infoframe_enable(frame);
+ val &= ~VIDEO_DIP_FREQ_MASK;
+ val |= VIDEO_DIP_FREQ_VSYNC;
+
+ I915_WRITE(reg, val);
+}
+
+static void cpt_write_infoframe(struct drm_encoder *encoder,
+ struct dip_infoframe *frame)
+{
+ uint32_t *data = (uint32_t *)frame;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
+ unsigned i, len = DIP_HEADER_SIZE + frame->len;
+ u32 val = I915_READ(reg);
+
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
+ val |= g4x_infoframe_index(frame);
+
+ /* The DIP control register spec says that we need to update the AVI
+ * infoframe without clearing its enable bit */
+ if (frame->type == DIP_TYPE_AVI)
+ val |= VIDEO_DIP_ENABLE_AVI;
+ else
+ val &= ~g4x_infoframe_enable(frame);
+
+ val |= VIDEO_DIP_ENABLE;
- I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
+ I915_WRITE(reg, val);
for (i = 0; i < len; i += 4) {
I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
data++;
}
- flags |= intel_infoframe_flags(frame);
+ val |= g4x_infoframe_enable(frame);
+ val &= ~VIDEO_DIP_FREQ_MASK;
+ val |= VIDEO_DIP_FREQ_VSYNC;
- I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
+ I915_WRITE(reg, val);
}
+
+static void vlv_write_infoframe(struct drm_encoder *encoder,
+ struct dip_infoframe *frame)
+{
+ uint32_t *data = (uint32_t *)frame;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ int reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe);
+ unsigned i, len = DIP_HEADER_SIZE + frame->len;
+ u32 val = I915_READ(reg);
+
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
+
+ val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
+ val |= g4x_infoframe_index(frame);
+
+ val &= ~g4x_infoframe_enable(frame);
+ val |= VIDEO_DIP_ENABLE;
+
+ I915_WRITE(reg, val);
+
+ for (i = 0; i < len; i += 4) {
+ I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
+ data++;
+ }
+
+ val |= g4x_infoframe_enable(frame);
+ val &= ~VIDEO_DIP_FREQ_MASK;
+ val |= VIDEO_DIP_FREQ_VSYNC;
+
+ I915_WRITE(reg, val);
+}
+
+static void hsw_write_infoframe(struct drm_encoder *encoder,
+ struct dip_infoframe *frame)
+{
+ uint32_t *data = (uint32_t *)frame;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->pipe);
+ u32 data_reg = hsw_infoframe_data_reg(frame, intel_crtc->pipe);
+ unsigned int i, len = DIP_HEADER_SIZE + frame->len;
+ u32 val = I915_READ(ctl_reg);
+
+ if (data_reg == 0)
+ return;
+
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
+
+ val &= ~hsw_infoframe_enable(frame);
+ I915_WRITE(ctl_reg, val);
+
+ for (i = 0; i < len; i += 4) {
+ I915_WRITE(data_reg + i, *data);
+ data++;
+ }
+
+ val |= hsw_infoframe_enable(frame);
+ I915_WRITE(ctl_reg, val);
+}
+
static void intel_set_infoframe(struct drm_encoder *encoder,
struct dip_infoframe *frame)
{
@@ -189,7 +315,8 @@ static void intel_set_infoframe(struct drm_encoder *encoder,
intel_hdmi->write_infoframe(encoder, frame);
}
-static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
+void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
+ struct drm_display_mode *adjusted_mode)
{
struct dip_infoframe avi_if = {
.type = DIP_TYPE_AVI,
@@ -197,10 +324,13 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
.len = DIP_LEN_AVI,
};
+ if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
+ avi_if.body.avi.YQ_CN_PR |= DIP_AVI_PR_2;
+
intel_set_infoframe(encoder, &avi_if);
}
-static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder)
+void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder)
{
struct dip_infoframe spd_if;
@@ -221,8 +351,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc = encoder->crtc;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
u32 sdvox;
@@ -259,7 +388,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
I915_WRITE(intel_hdmi->sdvox_reg, sdvox);
POSTING_READ(intel_hdmi->sdvox_reg);
- intel_hdmi_set_avi_infoframe(encoder);
+ intel_hdmi_set_avi_infoframe(encoder, adjusted_mode);
intel_hdmi_set_spd_infoframe(encoder);
}
@@ -334,7 +463,8 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
intel_hdmi->has_hdmi_sink = false;
intel_hdmi->has_audio = false;
edid = drm_get_edid(connector,
- &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ intel_gmbus_get_adapter(dev_priv,
+ intel_hdmi->ddc_bus));
if (edid) {
if (edid->input & DRM_EDID_INPUT_DIGITAL) {
@@ -367,7 +497,8 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
*/
return intel_ddc_get_modes(connector,
- &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ intel_gmbus_get_adapter(dev_priv,
+ intel_hdmi->ddc_bus));
}
static bool
@@ -379,7 +510,8 @@ intel_hdmi_detect_audio(struct drm_connector *connector)
bool has_audio = false;
edid = drm_get_edid(connector,
- &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ intel_gmbus_get_adapter(dev_priv,
+ intel_hdmi->ddc_bus));
if (edid) {
if (edid->input & DRM_EDID_INPUT_DIGITAL)
has_audio = drm_detect_monitor_audio(edid);
@@ -393,8 +525,8 @@ intel_hdmi_detect_audio(struct drm_connector *connector)
static int
intel_hdmi_set_property(struct drm_connector *connector,
- struct drm_property *property,
- uint64_t val)
+ struct drm_property *property,
+ uint64_t val)
{
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
struct drm_i915_private *dev_priv = connector->dev->dev_private;
@@ -453,6 +585,14 @@ static void intel_hdmi_destroy(struct drm_connector *connector)
kfree(connector);
}
+static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs_hsw = {
+ .dpms = intel_ddi_dpms,
+ .mode_fixup = intel_hdmi_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .mode_set = intel_ddi_mode_set,
+ .commit = intel_encoder_commit,
+};
+
static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
.dpms = intel_hdmi_dpms,
.mode_fixup = intel_hdmi_mode_fixup,
@@ -542,20 +682,60 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
+ } else if (sdvox_reg == DDI_BUF_CTL(PORT_B)) {
+ DRM_DEBUG_DRIVER("LPT: detected output on DDI B\n");
+ intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
+ intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
+ intel_hdmi->ddi_port = PORT_B;
+ dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
+ } else if (sdvox_reg == DDI_BUF_CTL(PORT_C)) {
+ DRM_DEBUG_DRIVER("LPT: detected output on DDI C\n");
+ intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
+ intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
+ intel_hdmi->ddi_port = PORT_C;
+ dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
+ } else if (sdvox_reg == DDI_BUF_CTL(PORT_D)) {
+ DRM_DEBUG_DRIVER("LPT: detected output on DDI D\n");
+ intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
+ intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
+ intel_hdmi->ddi_port = PORT_D;
+ dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
+ } else {
+ /* If we got an unknown sdvox_reg, things are pretty much broken
+ * in a way that we should let the kernel know about it */
+ BUG();
}
intel_hdmi->sdvox_reg = sdvox_reg;
if (!HAS_PCH_SPLIT(dev)) {
- intel_hdmi->write_infoframe = i9xx_write_infoframe;
+ intel_hdmi->write_infoframe = g4x_write_infoframe;
I915_WRITE(VIDEO_DIP_CTL, 0);
+ } else if (IS_VALLEYVIEW(dev)) {
+ intel_hdmi->write_infoframe = vlv_write_infoframe;
+ for_each_pipe(i)
+ I915_WRITE(VLV_TVIDEO_DIP_CTL(i), 0);
+ } else if (IS_HASWELL(dev)) {
+ /* FIXME: Haswell has a new set of DIP frame registers, but we are
+ * just doing the minimal required for HDMI to work at this stage.
+ */
+ intel_hdmi->write_infoframe = hsw_write_infoframe;
+ for_each_pipe(i)
+ I915_WRITE(HSW_TVIDEO_DIP_CTL(i), 0);
+ } else if (HAS_PCH_IBX(dev)) {
+ intel_hdmi->write_infoframe = ibx_write_infoframe;
+ for_each_pipe(i)
+ I915_WRITE(TVIDEO_DIP_CTL(i), 0);
} else {
- intel_hdmi->write_infoframe = ironlake_write_infoframe;
+ intel_hdmi->write_infoframe = cpt_write_infoframe;
for_each_pipe(i)
I915_WRITE(TVIDEO_DIP_CTL(i), 0);
}
- drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
+ if (IS_HASWELL(dev))
+ drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs_hsw);
+ else
+ drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
intel_hdmi_add_properties(intel_hdmi, connector);