struct intel_sdvo {
struct intel_encoder base;
+ struct i2c_adapter *i2c;
u8 slave_addr;
/* Register for the SDVO device: SDVOB or SDVOC */
};
int ret;
- if ((ret = i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 2)) == 2)
+ if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
{
*ch = buf[0];
return true;
}
};
- return i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 1) == 1;
+ return i2c_transfer(intel_sdvo->i2c, msgs, 1) == 1;
}
#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
ret_value[0] = 0;
ret_value[1] = 0;
- ret = i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 3);
+ ret = i2c_transfer(intel_sdvo->i2c, msgs, 3);
if (ret < 0)
return ret;
if (ret != 3) {
return (caps > 1);
}
+static struct edid *
+intel_sdvo_get_edid(struct drm_connector *connector, int ddc)
+{
+ struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+ int ret;
+
+ ret = intel_sdvo_set_control_bus_switch(intel_sdvo, ddc);
+ if (ret)
+ return NULL;
+
+ return drm_get_edid(connector, intel_sdvo->i2c);
+}
+
static struct drm_connector *
intel_find_analog_connector(struct drm_device *dev)
{
static struct edid *
intel_sdvo_get_analog_edid(struct drm_connector *connector)
{
- struct intel_encoder *encoder = intel_attached_encoder(connector);
- struct drm_device *dev = connector->dev;
- struct i2c_adapter *ddc;
- struct edid *edid;
- u32 ddc_reg;
-
- if (!intel_analog_is_connected(dev))
- return NULL;
-
- if (HAS_PCH_SPLIT(dev))
- ddc_reg = PCH_GPIOA;
- else
- ddc_reg = GPIOA;
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
- ddc = intel_i2c_create(encoder, ddc_reg, "SDVO/VGA DDC BUS");
- if (ddc == NULL)
+ if (!intel_analog_is_connected(connector->dev))
return NULL;
- edid = drm_get_edid(connector, ddc);
- intel_i2c_destroy(ddc);
-
- return edid;
+ return drm_get_edid(connector, &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
}
enum drm_connector_status
enum drm_connector_status status;
struct edid *edid;
- edid = drm_get_edid(connector, intel_sdvo->base.ddc_bus);
+ edid = intel_sdvo_get_edid(connector, intel_sdvo->ddc_bus);
if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
- u8 saved_ddc = intel_sdvo->ddc_bus, ddc;
+ u8 ddc;
/*
* Don't use the 1 as the argument of DDC bus switch to get
* the EDID. It is used for SDVO SPD ROM.
*/
for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
- intel_sdvo->ddc_bus = ddc;
- edid = drm_get_edid(connector, intel_sdvo->base.ddc_bus);
- if (edid)
+ edid = intel_sdvo_get_edid(connector, ddc);
+ if (edid) {
+ /*
+ * If we found the EDID on the other bus,
+ * assume that is the correct DDC bus.
+ */
+ intel_sdvo->ddc_bus = ddc;
break;
+ }
}
-
- /*
- * If we found the EDID on the other bus, maybe that is the
- * correct DDC bus.
- */
- if (edid == NULL)
- intel_sdvo->ddc_bus = saved_ddc;
}
/*
{
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
struct edid *edid;
- int num_modes;
/* set the bus switch and get the modes */
- num_modes = intel_ddc_get_modes(connector, intel_sdvo->base.ddc_bus);
- if (num_modes)
- return;
+ edid = intel_sdvo_get_edid(connector, intel_sdvo->ddc_bus);
/*
* Mac mini hack. On this device, the DVI-I connector shares one DDC
* DDC fails, check to see if the analog output is disconnected, in
* which case we'll look there for the digital DDC data.
*/
- edid = intel_sdvo_get_analog_edid(connector);
+ if (edid == NULL)
+ edid = intel_sdvo_get_analog_edid(connector);
+
if (edid != NULL) {
drm_mode_connector_update_edid_property(connector, edid);
drm_add_edid_modes(connector, edid);
* Assume that the preferred modes are
* arranged in priority order.
*/
- intel_ddc_get_modes(connector, intel_sdvo->base.ddc_bus);
+ intel_ddc_get_modes(connector, intel_sdvo->i2c);
if (list_empty(&connector->probed_modes) == false)
goto end;
&intel_sdvo->is_hdmi, 1);
}
-static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
- struct i2c_msg msgs[], int num)
-{
- struct intel_sdvo *intel_sdvo;
- const struct i2c_algorithm *algo;
- int ret;
-
- intel_sdvo = container_of(i2c_adap->algo_data,
- struct intel_sdvo,
- base);
- algo = intel_sdvo->base.i2c_bus->algo;
-
- ret = intel_sdvo_set_control_bus_switch(intel_sdvo,
- intel_sdvo->ddc_bus);
- if (ret)
- return ret;
-
- return algo->master_xfer(i2c_adap, msgs, num);
-}
-
-static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
- .master_xfer = intel_sdvo_master_xfer,
-};
-
static u8
intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *intel_encoder;
struct intel_sdvo *intel_sdvo;
- u8 ch[0x40];
int i;
- u32 i2c_reg, ddc_reg;
intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
if (!intel_sdvo)
/* encoder type will be decided later */
drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
- if (HAS_PCH_SPLIT(dev)) {
- i2c_reg = PCH_GPIOE;
- ddc_reg = PCH_GPIOE;
- } else {
- i2c_reg = GPIOE;
- ddc_reg = GPIOE;
- }
-
- /* setup the DDC bus. */
- if (IS_SDVOB(sdvo_reg))
- intel_encoder->i2c_bus =
- intel_i2c_create(intel_encoder,
- i2c_reg, "SDVOCTRL_E for SDVOB");
- else
- intel_encoder->i2c_bus =
- intel_i2c_create(intel_encoder,
- i2c_reg, "SDVOCTRL_E for SDVOC");
-
- if (!intel_encoder->i2c_bus)
- goto err_inteloutput;
+ intel_sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg);
- /* Save the bit-banging i2c functionality for use by the DDC wrapper */
- intel_sdvo_i2c_bit_algo.functionality = intel_encoder->i2c_bus->algo->functionality;
-
/* Read the regs to test if we can talk to the device */
for (i = 0; i < 0x40; i++) {
- if (!intel_sdvo_read_byte(intel_sdvo, i, &ch[i])) {
+ u8 byte;
+
+ if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
IS_SDVOB(sdvo_reg) ? 'B' : 'C');
- goto err_i2c;
+ goto err;
}
}
- /* setup the DDC bus. */
- if (IS_SDVOB(sdvo_reg)) {
- intel_encoder->ddc_bus =
- intel_i2c_create(intel_encoder,
- ddc_reg, "SDVOB DDC BUS");
+ if (IS_SDVOB(sdvo_reg))
dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
- } else {
- intel_encoder->ddc_bus =
- intel_i2c_create(intel_encoder,
- ddc_reg, "SDVOC DDC BUS");
+ else
dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
- }
- if (intel_encoder->ddc_bus == NULL)
- goto err_i2c;
-
- /* Wrap with our custom algo which switches to DDC mode */
- intel_encoder->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
/* In default case sdvo lvds is false */
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
- goto err_i2c;
+ goto err;
if (intel_sdvo_output_setup(intel_sdvo,
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
IS_SDVOB(sdvo_reg) ? 'B' : 'C');
- goto err_i2c;
+ goto err;
}
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
/* Set the input timing to the screen. Assume always input 0. */
if (!intel_sdvo_set_target_input(intel_sdvo))
- goto err_i2c;
+ goto err;
if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
&intel_sdvo->pixel_clock_min,
&intel_sdvo->pixel_clock_max))
- goto err_i2c;
+ goto err;
DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
"clock range %dMHz - %dMHz, "
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
return true;
-err_i2c:
- if (intel_encoder->ddc_bus != NULL)
- intel_i2c_destroy(intel_encoder->ddc_bus);
- if (intel_encoder->i2c_bus != NULL)
- intel_i2c_destroy(intel_encoder->i2c_bus);
-err_inteloutput:
+err:
drm_encoder_cleanup(&intel_encoder->base);
kfree(intel_sdvo);
git.openpandora.org / pandora-kernel.git / blobdiff