diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 155 |
1 files changed, 93 insertions, 62 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index fccf07470c8..ee0732b222a 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -25,6 +25,7 @@ */ #include <linux/i2c.h> +#include <linux/slab.h> #include "drmP.h" #include "drm.h" #include "drm_crtc.h" @@ -135,11 +136,17 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, adpa |= ADPA_VSYNC_ACTIVE_HIGH; if (intel_crtc->pipe == 0) { - adpa |= ADPA_PIPE_A_SELECT; + if (HAS_PCH_CPT(dev)) + adpa |= PORT_TRANS_A_SEL_CPT; + else + adpa |= ADPA_PIPE_A_SELECT; if (!HAS_PCH_SPLIT(dev)) I915_WRITE(BCLRPAT_A, 0); } else { - adpa |= ADPA_PIPE_B_SELECT; + if (HAS_PCH_CPT(dev)) + adpa |= PORT_TRANS_B_SEL_CPT; + else + adpa |= ADPA_PIPE_B_SELECT; if (!HAS_PCH_SPLIT(dev)) I915_WRITE(BCLRPAT_B, 0); } @@ -151,15 +158,21 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 adpa; + u32 adpa, temp; bool ret; - adpa = I915_READ(PCH_ADPA); + temp = adpa = I915_READ(PCH_ADPA); - adpa &= ~ADPA_CRT_HOTPLUG_MASK; - /* disable HPD first */ - I915_WRITE(PCH_ADPA, adpa); - (void)I915_READ(PCH_ADPA); + if (HAS_PCH_CPT(dev)) { + /* Disable DAC before force detect */ + I915_WRITE(PCH_ADPA, adpa & ~ADPA_DAC_ENABLE); + (void)I915_READ(PCH_ADPA); + } else { + adpa &= ~ADPA_CRT_HOTPLUG_MASK; + /* disable HPD first */ + I915_WRITE(PCH_ADPA, adpa); + (void)I915_READ(PCH_ADPA); + } adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 | ADPA_CRT_HOTPLUG_WARMUP_10MS | @@ -175,6 +188,11 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0) ; + if (HAS_PCH_CPT(dev)) { + I915_WRITE(PCH_ADPA, temp); + (void)I915_READ(PCH_ADPA); + } + /* Check the status to see if both blue and green are on now */ adpa = I915_READ(PCH_ADPA); adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK; @@ -199,7 +217,8 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 hotplug_en; + u32 hotplug_en, orig, stat; + bool ret = false; int i, tries = 0; if (HAS_PCH_SPLIT(dev)) @@ -214,15 +233,9 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) tries = 2; else tries = 1; - hotplug_en = I915_READ(PORT_HOTPLUG_EN); - hotplug_en &= CRT_FORCE_HOTPLUG_MASK; + hotplug_en = orig = I915_READ(PORT_HOTPLUG_EN); hotplug_en |= CRT_HOTPLUG_FORCE_DETECT; - if (IS_G4X(dev)) - hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; - - hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; - for (i = 0; i < tries ; i++) { unsigned long timeout; /* turn on the FORCE_DETECT */ @@ -237,28 +250,34 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) } while (time_after(timeout, jiffies)); } - if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) != - CRT_HOTPLUG_MONITOR_NONE) - return true; + stat = I915_READ(PORT_HOTPLUG_STAT); + if ((stat & CRT_HOTPLUG_MONITOR_MASK) != CRT_HOTPLUG_MONITOR_NONE) + ret = true; - return false; + /* clear the interrupt we just generated, if any */ + I915_WRITE(PORT_HOTPLUG_STAT, CRT_HOTPLUG_INT_STATUS); + + /* and put the bits back */ + I915_WRITE(PORT_HOTPLUG_EN, orig); + + return ret; } -static bool intel_crt_detect_ddc(struct drm_connector *connector) +static bool intel_crt_detect_ddc(struct drm_encoder *encoder) { - struct intel_output *intel_output = to_intel_output(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); /* CRT should always be at 0, but check anyway */ - if (intel_output->type != INTEL_OUTPUT_ANALOG) + if (intel_encoder->type != INTEL_OUTPUT_ANALOG) return false; - return intel_ddc_probe(intel_output); + return intel_ddc_probe(intel_encoder); } static enum drm_connector_status -intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output) +intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder) { - struct drm_encoder *encoder = &intel_output->enc; + struct drm_encoder *encoder = &intel_encoder->enc; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -386,8 +405,8 @@ intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output) static enum drm_connector_status intel_crt_detect(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - struct intel_output *intel_output = to_intel_output(connector); - struct drm_encoder *encoder = &intel_output->enc; + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct drm_crtc *crtc; int dpms_mode; enum drm_connector_status status; @@ -399,18 +418,19 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto return connector_status_disconnected; } - if (intel_crt_detect_ddc(connector)) + if (intel_crt_detect_ddc(encoder)) return connector_status_connected; /* for pre-945g platforms use load detect */ if (encoder->crtc && encoder->crtc->enabled) { - status = intel_crt_load_detect(encoder->crtc, intel_output); + status = intel_crt_load_detect(encoder->crtc, intel_encoder); } else { - crtc = intel_get_load_detect_pipe(intel_output, + crtc = intel_get_load_detect_pipe(intel_encoder, connector, NULL, &dpms_mode); if (crtc) { - status = intel_crt_load_detect(crtc, intel_output); - intel_release_load_detect_pipe(intel_output, dpms_mode); + status = intel_crt_load_detect(crtc, intel_encoder); + intel_release_load_detect_pipe(intel_encoder, + connector, dpms_mode); } else status = connector_status_unknown; } @@ -420,9 +440,6 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto static void intel_crt_destroy(struct drm_connector *connector) { - struct intel_output *intel_output = to_intel_output(connector); - - intel_i2c_destroy(intel_output->ddc_bus); drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); kfree(connector); @@ -431,29 +448,27 @@ static void intel_crt_destroy(struct drm_connector *connector) static int intel_crt_get_modes(struct drm_connector *connector) { int ret; - struct intel_output *intel_output = to_intel_output(connector); - struct i2c_adapter *ddcbus; + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + struct i2c_adapter *ddc_bus; struct drm_device *dev = connector->dev; - ret = intel_ddc_get_modes(intel_output); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret || !IS_G4X(dev)) goto end; - ddcbus = intel_output->ddc_bus; /* Try to probe digital port for output in DVI-I -> VGA mode. */ - intel_output->ddc_bus = - intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D"); + ddc_bus = intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D"); - if (!intel_output->ddc_bus) { - intel_output->ddc_bus = ddcbus; + if (!ddc_bus) { dev_printk(KERN_ERR, &connector->dev->pdev->dev, "DDC bus registration failed for CRTDDC_D.\n"); goto end; } /* Try to get modes by GPIOD port */ - ret = intel_ddc_get_modes(intel_output); - intel_i2c_destroy(ddcbus); + ret = intel_ddc_get_modes(connector, ddc_bus); + intel_i2c_destroy(ddc_bus); end: return ret; @@ -490,12 +505,16 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = { static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = { .mode_valid = intel_crt_mode_valid, .get_modes = intel_crt_get_modes, - .best_encoder = intel_best_encoder, + .best_encoder = intel_attached_encoder, }; static void intel_crt_enc_destroy(struct drm_encoder *encoder) { + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + + intel_i2c_destroy(intel_encoder->ddc_bus); drm_encoder_cleanup(encoder); + kfree(intel_encoder); } static const struct drm_encoder_funcs intel_crt_enc_funcs = { @@ -505,23 +524,30 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { void intel_crt_init(struct drm_device *dev) { struct drm_connector *connector; - struct intel_output *intel_output; + struct intel_encoder *intel_encoder; + struct intel_connector *intel_connector; struct drm_i915_private *dev_priv = dev->dev_private; u32 i2c_reg; - intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); - if (!intel_output) + intel_encoder = kzalloc(sizeof(struct intel_encoder), GFP_KERNEL); + if (!intel_encoder) return; - connector = &intel_output->base; - drm_connector_init(dev, &intel_output->base, + intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); + if (!intel_connector) { + kfree(intel_encoder); + return; + } + + connector = &intel_connector->base; + drm_connector_init(dev, &intel_connector->base, &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); - drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs, + drm_encoder_init(dev, &intel_encoder->enc, &intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC); - drm_mode_connector_attach_encoder(&intel_output->base, - &intel_output->enc); + drm_mode_connector_attach_encoder(&intel_connector->base, + &intel_encoder->enc); /* Set up the DDC bus. */ if (HAS_PCH_SPLIT(dev)) @@ -532,25 +558,30 @@ void intel_crt_init(struct drm_device *dev) if (dev_priv->crt_ddc_bus != 0) i2c_reg = dev_priv->crt_ddc_bus; } - intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A"); - if (!intel_output->ddc_bus) { + intel_encoder->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A"); + if (!intel_encoder->ddc_bus) { dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " "failed.\n"); return; } - intel_output->type = INTEL_OUTPUT_ANALOG; - intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) | + intel_encoder->type = INTEL_OUTPUT_ANALOG; + intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) | (1 << INTEL_ANALOG_CLONE_BIT) | (1 << INTEL_SDVO_LVDS_CLONE_BIT); - intel_output->crtc_mask = (1 << 0) | (1 << 1); - connector->interlace_allowed = 0; + intel_encoder->crtc_mask = (1 << 0) | (1 << 1); + connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs); + drm_encoder_helper_add(&intel_encoder->enc, &intel_crt_helper_funcs); drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); drm_sysfs_connector_add(connector); + if (I915_HAS_HOTPLUG(dev)) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT; + dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS; } |