#include "i915_drm.h"
#include "i915_drv.h"
+#define I915_LVDS "i915_lvds"
+
/**
* Sets the backlight level.
*
static void intel_lvds_set_backlight(struct drm_device *dev, int level)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 blc_pwm_ctl;
+ u32 blc_pwm_ctl, reg;
+
+ if (IS_IGDNG(dev))
+ reg = BLC_PWM_CPU_CTL;
+ else
+ reg = BLC_PWM_CTL;
- blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
- I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
+ blc_pwm_ctl = I915_READ(reg) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ I915_WRITE(reg, (blc_pwm_ctl |
(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
}
static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 reg;
+
+ if (IS_IGDNG(dev))
+ reg = BLC_PWM_PCH_CTL2;
+ else
+ reg = BLC_PWM_CTL;
- return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >>
+ return ((I915_READ(reg) & BACKLIGHT_MODULATION_FREQ_MASK) >>
BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
}
static void intel_lvds_set_power(struct drm_device *dev, bool on)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 pp_status;
+ u32 pp_status, ctl_reg, status_reg;
+
+ if (IS_IGDNG(dev)) {
+ ctl_reg = PCH_PP_CONTROL;
+ status_reg = PCH_PP_STATUS;
+ } else {
+ ctl_reg = PP_CONTROL;
+ status_reg = PP_STATUS;
+ }
if (on) {
- I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) |
+ I915_WRITE(ctl_reg, I915_READ(ctl_reg) |
POWER_TARGET_ON);
do {
- pp_status = I915_READ(PP_STATUS);
+ pp_status = I915_READ(status_reg);
} while ((pp_status & PP_ON) == 0);
intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle);
} else {
intel_lvds_set_backlight(dev, 0);
- I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) &
+ I915_WRITE(ctl_reg, I915_READ(ctl_reg) &
~POWER_TARGET_ON);
do {
- pp_status = I915_READ(PP_STATUS);
+ pp_status = I915_READ(status_reg);
} while (pp_status & PP_ON);
}
}
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
+ u32 pwm_ctl_reg;
+
+ if (IS_IGDNG(dev)) {
+ pp_on_reg = PCH_PP_ON_DELAYS;
+ pp_off_reg = PCH_PP_OFF_DELAYS;
+ pp_ctl_reg = PCH_PP_CONTROL;
+ pp_div_reg = PCH_PP_DIVISOR;
+ pwm_ctl_reg = BLC_PWM_CPU_CTL;
+ } else {
+ pp_on_reg = PP_ON_DELAYS;
+ pp_off_reg = PP_OFF_DELAYS;
+ pp_ctl_reg = PP_CONTROL;
+ pp_div_reg = PP_DIVISOR;
+ pwm_ctl_reg = BLC_PWM_CTL;
+ }
- dev_priv->savePP_ON = I915_READ(PP_ON_DELAYS);
- dev_priv->savePP_OFF = I915_READ(PP_OFF_DELAYS);
- dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
- dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
- dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ dev_priv->savePP_ON = I915_READ(pp_on_reg);
+ dev_priv->savePP_OFF = I915_READ(pp_off_reg);
+ dev_priv->savePP_CONTROL = I915_READ(pp_ctl_reg);
+ dev_priv->savePP_DIVISOR = I915_READ(pp_div_reg);
+ dev_priv->saveBLC_PWM_CTL = I915_READ(pwm_ctl_reg);
dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
BACKLIGHT_DUTY_CYCLE_MASK);
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
+ u32 pwm_ctl_reg;
+
+ if (IS_IGDNG(dev)) {
+ pp_on_reg = PCH_PP_ON_DELAYS;
+ pp_off_reg = PCH_PP_OFF_DELAYS;
+ pp_ctl_reg = PCH_PP_CONTROL;
+ pp_div_reg = PCH_PP_DIVISOR;
+ pwm_ctl_reg = BLC_PWM_CPU_CTL;
+ } else {
+ pp_on_reg = PP_ON_DELAYS;
+ pp_off_reg = PP_OFF_DELAYS;
+ pp_ctl_reg = PP_CONTROL;
+ pp_div_reg = PP_DIVISOR;
+ pwm_ctl_reg = BLC_PWM_CTL;
+ }
- I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
- I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON);
- I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF);
- I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
- I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
+ I915_WRITE(pwm_ctl_reg, dev_priv->saveBLC_PWM_CTL);
+ I915_WRITE(pp_on_reg, dev_priv->savePP_ON);
+ I915_WRITE(pp_off_reg, dev_priv->savePP_OFF);
+ I915_WRITE(pp_div_reg, dev_priv->savePP_DIVISOR);
+ I915_WRITE(pp_ctl_reg, dev_priv->savePP_CONTROL);
if (dev_priv->savePP_CONTROL & POWER_TARGET_ON)
intel_lvds_set_power(dev, true);
else
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 reg;
+
+ if (IS_IGDNG(dev))
+ reg = BLC_PWM_CPU_CTL;
+ else
+ reg = BLC_PWM_CTL;
- dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ dev_priv->saveBLC_PWM_CTL = I915_READ(reg);
dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
BACKLIGHT_DUTY_CYCLE_MASK);
* settings.
*/
+ /* No panel fitting yet, fixme */
+ if (IS_IGDNG(dev))
+ return;
+
/*
* Enable automatic panel scaling so that non-native modes fill the
* screen. Should be enabled before the pipe is enabled, according to
static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
{
- DRM_DEBUG("Skipping LVDS initialization for %s\n", id->ident);
+ DRM_DEBUG_KMS(I915_LVDS,
+ "Skipping LVDS initialization for %s\n", id->ident);
return 1;
}
DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"),
},
},
-
- /* FIXME: add a check for the Aopen Mini PC */
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "AOpen Mini PC",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "AOpen"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"),
+ },
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Aopen i945GTt-VFA",
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"),
+ },
+ },
{ } /* terminating entry */
};
struct drm_display_mode *scan; /* *modes, *bios_mode; */
struct drm_crtc *crtc;
u32 lvds;
- int pipe;
+ int pipe, gpio = GPIOC;
/* Skip init on machines we know falsely report LVDS */
if (dmi_check_system(intel_no_lvds))
return;
+ if (IS_IGDNG(dev)) {
+ if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
+ return;
+ gpio = PCH_GPIOC;
+ }
+
intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
if (!intel_output) {
return;
*/
/* Set up the DDC bus. */
- intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C");
+ intel_output->ddc_bus = intel_i2c_create(dev, gpio, "LVDSDDC_C");
if (!intel_output->ddc_bus) {
dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
"failed.\n");
* on. If so, assume that whatever is currently programmed is the
* correct mode.
*/
+
+ /* IGDNG: FIXME if still fail, not try pipe mode now */
+ if (IS_IGDNG(dev))
+ goto failed;
+
lvds = I915_READ(LVDS);
pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
crtc = intel_get_crtc_from_pipe(dev, pipe);
goto failed;
out:
+ if (IS_IGDNG(dev)) {
+ u32 pwm;
+ /* make sure PWM is enabled */
+ pwm = I915_READ(BLC_PWM_CPU_CTL2);
+ pwm |= (PWM_ENABLE | PWM_PIPE_B);
+ I915_WRITE(BLC_PWM_CPU_CTL2, pwm);
+
+ pwm = I915_READ(BLC_PWM_PCH_CTL1);
+ pwm |= PWM_PCH_ENABLE;
+ I915_WRITE(BLC_PWM_PCH_CTL1, pwm);
+ }
drm_sysfs_connector_add(connector);
return;
failed:
- DRM_DEBUG("No LVDS modes found, disabling.\n");
+ DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n");
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
drm_connector_cleanup(connector);
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