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drm/i915: Add support of SDVO on Ibexpeak PCH

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SDVO on Ibexpeak PCH with Ironlake is multiplexed with
HDMIB port, and only has SDVOB port.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Zhao Yakui 2010-03-30 15:11:33 +08:00 committed by Eric Anholt
parent cfecde435d
commit 461ed3caee
3 changed files with 36 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/gpu/drm/i915/i915_reg.h
View file

@ -2629,6 +2629,9 @@
#define HSYNC_ACTIVE_HIGH (1 << 3)
#define PORT_DETECTED (1 << 2)
/* PCH SDVOB multiplex with HDMIB */
#define PCH_SDVOB HDMIB
#define HDMIC 0xe1150
#define HDMID 0xe1160

5
drivers/gpu/drm/i915/intel_display.c
View file

@ -4670,9 +4670,8 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_dp_init(dev, DP_A);
if (I915_READ(HDMIB) & PORT_DETECTED) {
/* check SDVOB */
/* found = intel_sdvo_init(dev, HDMIB); */
found = 0;
/* PCH SDVOB multiplex with HDMIB */
found = intel_sdvo_init(dev, PCH_SDVOB);
if (!found)
intel_hdmi_init(dev, HDMIB);
if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED))

44
drivers/gpu/drm/i915/intel_sdvo.c
View file

@ -193,6 +193,12 @@ static void intel_sdvo_write_sdvox(struct intel_encoder *intel_encoder, u32 val)
u32 bval = val, cval = val;
int i;
if (sdvo_priv->sdvo_reg == PCH_SDVOB) {
I915_WRITE(sdvo_priv->sdvo_reg, val);
I915_READ(sdvo_priv->sdvo_reg);
return;
}
if (sdvo_priv->sdvo_reg == SDVOB) {
cval = I915_READ(SDVOC);
} else {
@ -369,7 +375,8 @@ static const struct _sdvo_cmd_name {
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
};
#define SDVO_NAME(dev_priv) ((dev_priv)->sdvo_reg == SDVOB ? "SDVOB" : "SDVOC")
#define IS_SDVOB(reg) (reg == SDVOB || reg == PCH_SDVOB)
#define SDVO_NAME(dev_priv) (IS_SDVOB((dev_priv)->sdvo_reg) ? "SDVOB" : "SDVOC")
#define SDVO_PRIV(encoder) ((struct intel_sdvo_priv *) (encoder)->dev_priv)
static void intel_sdvo_debug_write(struct intel_encoder *intel_encoder, u8 cmd,
@ -2147,7 +2154,7 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
struct drm_i915_private *dev_priv = dev->dev_private;
struct sdvo_device_mapping *my_mapping, *other_mapping;
if (sdvo_reg == SDVOB) {
if (IS_SDVOB(sdvo_reg)) {
my_mapping = &dev_priv->sdvo_mappings[0];
other_mapping = &dev_priv->sdvo_mappings[1];
} else {
@ -2172,7 +2179,7 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
/* No SDVO device info is found for another DVO port,
* so use mapping assumption we had before BIOS parsing.
*/
if (sdvo_reg == SDVOB)
if (IS_SDVOB(sdvo_reg))
return 0x70;
else
return 0x72;
@ -2777,6 +2784,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
struct intel_sdvo_priv *sdvo_priv;
u8 ch[0x40];
int i;
u32 i2c_reg, ddc_reg, analog_ddc_reg;
intel_encoder = kcalloc(sizeof(struct intel_encoder)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
if (!intel_encoder) {
@ -2789,11 +2797,21 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
intel_encoder->dev_priv = sdvo_priv;
intel_encoder->type = INTEL_OUTPUT_SDVO;
if (HAS_PCH_SPLIT(dev)) {
i2c_reg = PCH_GPIOE;
ddc_reg = PCH_GPIOE;
analog_ddc_reg = PCH_GPIOA;
} else {
i2c_reg = GPIOE;
ddc_reg = GPIOE;
analog_ddc_reg = GPIOA;
}
/* setup the DDC bus. */
if (sdvo_reg == SDVOB)
intel_encoder->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
if (IS_SDVOB(sdvo_reg))
intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOB");
else
intel_encoder->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOC");
if (!intel_encoder->i2c_bus)
goto err_inteloutput;
@ -2807,20 +2825,20 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
for (i = 0; i < 0x40; i++) {
if (!intel_sdvo_read_byte(intel_encoder, i, &ch[i])) {
DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
sdvo_reg == SDVOB ? 'B' : 'C');
IS_SDVOB(sdvo_reg) ? 'B' : 'C');
goto err_i2c;
}
}
/* setup the DDC bus. */
if (sdvo_reg == SDVOB) {
intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
if (IS_SDVOB(sdvo_reg)) {
intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOB DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
"SDVOB/VGA DDC BUS");
dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
} else {
intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOC DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
"SDVOC/VGA DDC BUS");
dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
}
@ -2841,7 +2859,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
if (intel_sdvo_output_setup(intel_encoder,
sdvo_priv->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
sdvo_reg == SDVOB ? 'B' : 'C');
IS_SDVOB(sdvo_reg) ? 'B' : 'C');
goto err_i2c;
}