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path: root/drivers/gpu/drm/i915/intel_dvo.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dvo.c134
1 files changed, 64 insertions, 70 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;
+ struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
- 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);
+ 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);
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-11-04 02:26:31 +0000