diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dvo.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dvo.c | 136 |
1 files changed, 65 insertions, 71 deletions
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 227feca7cf8d..a399f4b2c1c5 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -38,7 +38,7 @@ #define CH7xxx_ADDR 0x76 #define TFP410_ADDR 0x38 -static struct intel_dvo_device intel_dvo_devices[] = { +static const struct intel_dvo_device intel_dvo_devices[] = { { .type = INTEL_DVO_CHIP_TMDS, .name = "sil164", @@ -77,20 +77,33 @@ static struct intel_dvo_device intel_dvo_devices[] = { } }; +struct intel_dvo { + struct intel_encoder base; + + struct intel_dvo_device dev; + + struct drm_display_mode *panel_fixed_mode; + bool panel_wants_dither; +}; + +static struct intel_dvo *enc_to_intel_dvo(struct drm_encoder *encoder) +{ + return container_of(enc_to_intel_encoder(encoder), struct intel_dvo, base); +} + static void intel_dvo_dpms(struct drm_encoder *encoder, int mode) { struct drm_i915_private *dev_priv = encoder->dev->dev_private; - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; - u32 dvo_reg = dvo->dvo_reg; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); + u32 dvo_reg = intel_dvo->dev.dvo_reg; u32 temp = I915_READ(dvo_reg); if (mode == DRM_MODE_DPMS_ON) { I915_WRITE(dvo_reg, temp | DVO_ENABLE); I915_READ(dvo_reg); - dvo->dev_ops->dpms(dvo, mode); + intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, mode); } else { - dvo->dev_ops->dpms(dvo, mode); + intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, mode); I915_WRITE(dvo_reg, temp & ~DVO_ENABLE); I915_READ(dvo_reg); } @@ -100,38 +113,36 @@ static int intel_dvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_encoder *encoder = intel_attached_encoder(connector); - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; /* XXX: Validate clock range */ - if (dvo->panel_fixed_mode) { - if (mode->hdisplay > dvo->panel_fixed_mode->hdisplay) + if (intel_dvo->panel_fixed_mode) { + if (mode->hdisplay > intel_dvo->panel_fixed_mode->hdisplay) return MODE_PANEL; - if (mode->vdisplay > dvo->panel_fixed_mode->vdisplay) + if (mode->vdisplay > intel_dvo->panel_fixed_mode->vdisplay) return MODE_PANEL; } - return dvo->dev_ops->mode_valid(dvo, mode); + return intel_dvo->dev.dev_ops->mode_valid(&intel_dvo->dev, mode); } static bool intel_dvo_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); /* If we have timings from the BIOS for the panel, put them in * to the adjusted mode. The CRTC will be set up for this mode, * with the panel scaling set up to source from the H/VDisplay * of the original mode. */ - if (dvo->panel_fixed_mode != NULL) { -#define C(x) adjusted_mode->x = dvo->panel_fixed_mode->x + if (intel_dvo->panel_fixed_mode != NULL) { +#define C(x) adjusted_mode->x = intel_dvo->panel_fixed_mode->x C(hdisplay); C(hsync_start); C(hsync_end); @@ -145,8 +156,8 @@ static bool intel_dvo_mode_fixup(struct drm_encoder *encoder, #undef C } - if (dvo->dev_ops->mode_fixup) - return dvo->dev_ops->mode_fixup(dvo, mode, adjusted_mode); + if (intel_dvo->dev.dev_ops->mode_fixup) + return intel_dvo->dev.dev_ops->mode_fixup(&intel_dvo->dev, mode, adjusted_mode); return true; } @@ -158,11 +169,10 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder, 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); - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); int pipe = intel_crtc->pipe; u32 dvo_val; - u32 dvo_reg = dvo->dvo_reg, dvo_srcdim_reg; + u32 dvo_reg = intel_dvo->dev.dvo_reg, dvo_srcdim_reg; int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; switch (dvo_reg) { @@ -178,7 +188,7 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder, break; } - dvo->dev_ops->mode_set(dvo, mode, adjusted_mode); + intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev, mode, adjusted_mode); /* Save the data order, since I don't know what it should be set to. */ dvo_val = I915_READ(dvo_reg) & @@ -214,40 +224,38 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder, static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector) { struct drm_encoder *encoder = intel_attached_encoder(connector); - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); - return dvo->dev_ops->detect(dvo); + return intel_dvo->dev.dev_ops->detect(&intel_dvo->dev); } static int intel_dvo_get_modes(struct drm_connector *connector) { struct drm_encoder *encoder = intel_attached_encoder(connector); - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); /* We should probably have an i2c driver get_modes function for those * devices which will have a fixed set of modes determined by the chip * (TV-out, for example), but for now with just TMDS and LVDS, * that's not the case. */ - intel_ddc_get_modes(connector, intel_encoder->ddc_bus); + intel_ddc_get_modes(connector, intel_dvo->base.ddc_bus); if (!list_empty(&connector->probed_modes)) return 1; - - if (dvo->panel_fixed_mode != NULL) { + if (intel_dvo->panel_fixed_mode != NULL) { struct drm_display_mode *mode; - mode = drm_mode_duplicate(connector->dev, dvo->panel_fixed_mode); + mode = drm_mode_duplicate(connector->dev, intel_dvo->panel_fixed_mode); if (mode) { drm_mode_probed_add(connector, mode); return 1; } } + return 0; } -static void intel_dvo_destroy (struct drm_connector *connector) +static void intel_dvo_destroy(struct drm_connector *connector) { drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); @@ -277,28 +285,20 @@ static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs static void intel_dvo_enc_destroy(struct drm_encoder *encoder) { - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; - - if (dvo) { - if (dvo->dev_ops->destroy) - dvo->dev_ops->destroy(dvo); - if (dvo->panel_fixed_mode) - kfree(dvo->panel_fixed_mode); - } - if (intel_encoder->i2c_bus) - intel_i2c_destroy(intel_encoder->i2c_bus); - if (intel_encoder->ddc_bus) - intel_i2c_destroy(intel_encoder->ddc_bus); - drm_encoder_cleanup(encoder); - kfree(intel_encoder); + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); + + if (intel_dvo->dev.dev_ops->destroy) + intel_dvo->dev.dev_ops->destroy(&intel_dvo->dev); + + kfree(intel_dvo->panel_fixed_mode); + + intel_encoder_destroy(encoder); } static const struct drm_encoder_funcs intel_dvo_enc_funcs = { .destroy = intel_dvo_enc_destroy, }; - /** * Attempts to get a fixed panel timing for LVDS (currently only the i830). * @@ -306,15 +306,13 @@ static const struct drm_encoder_funcs intel_dvo_enc_funcs = { * chip being on DVOB/C and having multiple pipes. */ static struct drm_display_mode * -intel_dvo_get_current_mode (struct drm_connector *connector) +intel_dvo_get_current_mode(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct drm_encoder *encoder = intel_attached_encoder(connector); - struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); - struct intel_dvo_device *dvo = intel_encoder->dev_priv; - uint32_t dvo_reg = dvo->dvo_reg; - uint32_t dvo_val = I915_READ(dvo_reg); + struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder); + uint32_t dvo_val = I915_READ(intel_dvo->dev.dvo_reg); struct drm_display_mode *mode = NULL; /* If the DVO port is active, that'll be the LVDS, so we can pull out @@ -327,7 +325,6 @@ intel_dvo_get_current_mode (struct drm_connector *connector) crtc = intel_get_crtc_from_pipe(dev, pipe); if (crtc) { mode = intel_crtc_mode_get(dev, crtc); - if (mode) { mode->type |= DRM_MODE_TYPE_PREFERRED; if (dvo_val & DVO_HSYNC_ACTIVE_HIGH) @@ -337,28 +334,32 @@ intel_dvo_get_current_mode (struct drm_connector *connector) } } } + return mode; } void intel_dvo_init(struct drm_device *dev) { struct intel_encoder *intel_encoder; + struct intel_dvo *intel_dvo; struct intel_connector *intel_connector; - struct intel_dvo_device *dvo; struct i2c_adapter *i2cbus = NULL; int ret = 0; int i; int encoder_type = DRM_MODE_ENCODER_NONE; - intel_encoder = kzalloc (sizeof(struct intel_encoder), GFP_KERNEL); - if (!intel_encoder) + + intel_dvo = kzalloc(sizeof(struct intel_dvo), GFP_KERNEL); + if (!intel_dvo) return; intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); if (!intel_connector) { - kfree(intel_encoder); + kfree(intel_dvo); return; } + intel_encoder = &intel_dvo->base; + /* Set up the DDC bus */ intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D"); if (!intel_encoder->ddc_bus) @@ -367,10 +368,9 @@ void intel_dvo_init(struct drm_device *dev) /* Now, try to find a controller */ for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) { struct drm_connector *connector = &intel_connector->base; + const struct intel_dvo_device *dvo = &intel_dvo_devices[i]; int gpio; - dvo = &intel_dvo_devices[i]; - /* Allow the I2C driver info to specify the GPIO to be used in * special cases, but otherwise default to what's defined * in the spec. @@ -393,11 +393,8 @@ void intel_dvo_init(struct drm_device *dev) continue; } - if (dvo->dev_ops!= NULL) - ret = dvo->dev_ops->init(dvo, i2cbus); - else - ret = false; - + intel_dvo->dev = *dvo; + ret = dvo->dev_ops->init(&intel_dvo->dev, i2cbus); if (!ret) continue; @@ -429,9 +426,6 @@ void intel_dvo_init(struct drm_device *dev) connector->interlace_allowed = false; connector->doublescan_allowed = false; - intel_encoder->dev_priv = dvo; - intel_encoder->i2c_bus = i2cbus; - drm_encoder_init(dev, &intel_encoder->enc, &intel_dvo_enc_funcs, encoder_type); drm_encoder_helper_add(&intel_encoder->enc, @@ -447,9 +441,9 @@ void intel_dvo_init(struct drm_device *dev) * headers, likely), so for now, just get the current * mode being output through DVO. */ - dvo->panel_fixed_mode = + intel_dvo->panel_fixed_mode = intel_dvo_get_current_mode(connector); - dvo->panel_wants_dither = true; + intel_dvo->panel_wants_dither = true; } drm_sysfs_connector_add(connector); @@ -461,6 +455,6 @@ void intel_dvo_init(struct drm_device *dev) if (i2cbus != NULL) intel_i2c_destroy(i2cbus); free_intel: - kfree(intel_encoder); + kfree(intel_dvo); kfree(intel_connector); } |