diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 153 |
1 files changed, 121 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index aab84b1dbf4..fd3062a2a42 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -110,25 +110,38 @@ struct opregion_asle { u32 epfm; /* enabled panel fitting modes */ u8 plut[74]; /* panel LUT and identifier */ u32 pfmb; /* PWM freq and min brightness */ - u8 rsvd[102]; + u32 cddv; /* color correction default values */ + u32 pcft; /* power conservation features */ + u32 srot; /* supported rotation angles */ + u32 iuer; /* IUER events */ + u8 rsvd[86]; } __attribute__((packed)); /* Driver readiness indicator */ #define ASLE_ARDY_READY (1 << 0) #define ASLE_ARDY_NOT_READY (0 << 0) -/* ASLE irq request bits */ -#define ASLE_SET_ALS_ILLUM (1 << 0) -#define ASLE_SET_BACKLIGHT (1 << 1) -#define ASLE_SET_PFIT (1 << 2) -#define ASLE_SET_PWM_FREQ (1 << 3) -#define ASLE_REQ_MSK 0xf - -/* response bits of ASLE irq request */ -#define ASLE_ALS_ILLUM_FAILED (1<<10) -#define ASLE_BACKLIGHT_FAILED (1<<12) -#define ASLE_PFIT_FAILED (1<<14) -#define ASLE_PWM_FREQ_FAILED (1<<16) +/* ASLE Interrupt Command (ASLC) bits */ +#define ASLC_SET_ALS_ILLUM (1 << 0) +#define ASLC_SET_BACKLIGHT (1 << 1) +#define ASLC_SET_PFIT (1 << 2) +#define ASLC_SET_PWM_FREQ (1 << 3) +#define ASLC_SUPPORTED_ROTATION_ANGLES (1 << 4) +#define ASLC_BUTTON_ARRAY (1 << 5) +#define ASLC_CONVERTIBLE_INDICATOR (1 << 6) +#define ASLC_DOCKING_INDICATOR (1 << 7) +#define ASLC_ISCT_STATE_CHANGE (1 << 8) +#define ASLC_REQ_MSK 0x1ff +/* response bits */ +#define ASLC_ALS_ILLUM_FAILED (1 << 10) +#define ASLC_BACKLIGHT_FAILED (1 << 12) +#define ASLC_PFIT_FAILED (1 << 14) +#define ASLC_PWM_FREQ_FAILED (1 << 16) +#define ASLC_ROTATION_ANGLES_FAILED (1 << 18) +#define ASLC_BUTTON_ARRAY_FAILED (1 << 20) +#define ASLC_CONVERTIBLE_FAILED (1 << 22) +#define ASLC_DOCKING_FAILED (1 << 24) +#define ASLC_ISCT_STATE_FAILED (1 << 26) /* Technology enabled indicator */ #define ASLE_TCHE_ALS_EN (1 << 0) @@ -154,6 +167,15 @@ struct opregion_asle { #define ASLE_CBLV_VALID (1<<31) +/* IUER */ +#define ASLE_IUER_DOCKING (1 << 7) +#define ASLE_IUER_CONVERTIBLE (1 << 6) +#define ASLE_IUER_ROTATION_LOCK_BTN (1 << 4) +#define ASLE_IUER_VOLUME_DOWN_BTN (1 << 3) +#define ASLE_IUER_VOLUME_UP_BTN (1 << 2) +#define ASLE_IUER_WINDOWS_BTN (1 << 1) +#define ASLE_IUER_POWER_BTN (1 << 0) + /* Software System Control Interrupt (SWSCI) */ #define SWSCI_SCIC_INDICATOR (1 << 0) #define SWSCI_SCIC_MAIN_FUNCTION_SHIFT 1 @@ -377,11 +399,11 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); if (!(bclp & ASLE_BCLP_VALID)) - return ASLE_BACKLIGHT_FAILED; + return ASLC_BACKLIGHT_FAILED; bclp &= ASLE_BCLP_MSK; if (bclp > 255) - return ASLE_BACKLIGHT_FAILED; + return ASLC_BACKLIGHT_FAILED; intel_panel_set_backlight(dev, bclp, 255); iowrite32((bclp*0x64)/0xff | ASLE_CBLV_VALID, &asle->cblv); @@ -394,13 +416,13 @@ static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi) /* alsi is the current ALS reading in lux. 0 indicates below sensor range, 0xffff indicates above sensor range. 1-0xfffe are valid */ DRM_DEBUG_DRIVER("Illum is not supported\n"); - return ASLE_ALS_ILLUM_FAILED; + return ASLC_ALS_ILLUM_FAILED; } static u32 asle_set_pwm_freq(struct drm_device *dev, u32 pfmb) { DRM_DEBUG_DRIVER("PWM freq is not supported\n"); - return ASLE_PWM_FREQ_FAILED; + return ASLC_PWM_FREQ_FAILED; } static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) @@ -408,39 +430,106 @@ static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) /* Panel fitting is currently controlled by the X code, so this is a noop until modesetting support works fully */ DRM_DEBUG_DRIVER("Pfit is not supported\n"); - return ASLE_PFIT_FAILED; + return ASLC_PFIT_FAILED; +} + +static u32 asle_set_supported_rotation_angles(struct drm_device *dev, u32 srot) +{ + DRM_DEBUG_DRIVER("SROT is not supported\n"); + return ASLC_ROTATION_ANGLES_FAILED; +} + +static u32 asle_set_button_array(struct drm_device *dev, u32 iuer) +{ + if (!iuer) + DRM_DEBUG_DRIVER("Button array event is not supported (nothing)\n"); + if (iuer & ASLE_IUER_ROTATION_LOCK_BTN) + DRM_DEBUG_DRIVER("Button array event is not supported (rotation lock)\n"); + if (iuer & ASLE_IUER_VOLUME_DOWN_BTN) + DRM_DEBUG_DRIVER("Button array event is not supported (volume down)\n"); + if (iuer & ASLE_IUER_VOLUME_UP_BTN) + DRM_DEBUG_DRIVER("Button array event is not supported (volume up)\n"); + if (iuer & ASLE_IUER_WINDOWS_BTN) + DRM_DEBUG_DRIVER("Button array event is not supported (windows)\n"); + if (iuer & ASLE_IUER_POWER_BTN) + DRM_DEBUG_DRIVER("Button array event is not supported (power)\n"); + + return ASLC_BUTTON_ARRAY_FAILED; +} + +static u32 asle_set_convertible(struct drm_device *dev, u32 iuer) +{ + if (iuer & ASLE_IUER_CONVERTIBLE) + DRM_DEBUG_DRIVER("Convertible is not supported (clamshell)\n"); + else + DRM_DEBUG_DRIVER("Convertible is not supported (slate)\n"); + + return ASLC_CONVERTIBLE_FAILED; +} + +static u32 asle_set_docking(struct drm_device *dev, u32 iuer) +{ + if (iuer & ASLE_IUER_DOCKING) + DRM_DEBUG_DRIVER("Docking is not supported (docked)\n"); + else + DRM_DEBUG_DRIVER("Docking is not supported (undocked)\n"); + + return ASLC_DOCKING_FAILED; +} + +static u32 asle_isct_state(struct drm_device *dev) +{ + DRM_DEBUG_DRIVER("ISCT is not supported\n"); + return ASLC_ISCT_STATE_FAILED; } void intel_opregion_asle_intr(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct opregion_asle __iomem *asle = dev_priv->opregion.asle; - u32 asle_stat = 0; - u32 asle_req; + u32 aslc_stat = 0; + u32 aslc_req; if (!asle) return; - asle_req = ioread32(&asle->aslc) & ASLE_REQ_MSK; + aslc_req = ioread32(&asle->aslc); - if (!asle_req) { - DRM_DEBUG_DRIVER("non asle set request??\n"); + if (!(aslc_req & ASLC_REQ_MSK)) { + DRM_DEBUG_DRIVER("No request on ASLC interrupt 0x%08x\n", + aslc_req); return; } - if (asle_req & ASLE_SET_ALS_ILLUM) - asle_stat |= asle_set_als_illum(dev, ioread32(&asle->alsi)); + if (aslc_req & ASLC_SET_ALS_ILLUM) + aslc_stat |= asle_set_als_illum(dev, ioread32(&asle->alsi)); + + if (aslc_req & ASLC_SET_BACKLIGHT) + aslc_stat |= asle_set_backlight(dev, ioread32(&asle->bclp)); + + if (aslc_req & ASLC_SET_PFIT) + aslc_stat |= asle_set_pfit(dev, ioread32(&asle->pfit)); + + if (aslc_req & ASLC_SET_PWM_FREQ) + aslc_stat |= asle_set_pwm_freq(dev, ioread32(&asle->pfmb)); + + if (aslc_req & ASLC_SUPPORTED_ROTATION_ANGLES) + aslc_stat |= asle_set_supported_rotation_angles(dev, + ioread32(&asle->srot)); + + if (aslc_req & ASLC_BUTTON_ARRAY) + aslc_stat |= asle_set_button_array(dev, ioread32(&asle->iuer)); - if (asle_req & ASLE_SET_BACKLIGHT) - asle_stat |= asle_set_backlight(dev, ioread32(&asle->bclp)); + if (aslc_req & ASLC_CONVERTIBLE_INDICATOR) + aslc_stat |= asle_set_convertible(dev, ioread32(&asle->iuer)); - if (asle_req & ASLE_SET_PFIT) - asle_stat |= asle_set_pfit(dev, ioread32(&asle->pfit)); + if (aslc_req & ASLC_DOCKING_INDICATOR) + aslc_stat |= asle_set_docking(dev, ioread32(&asle->iuer)); - if (asle_req & ASLE_SET_PWM_FREQ) - asle_stat |= asle_set_pwm_freq(dev, ioread32(&asle->pfmb)); + if (aslc_req & ASLC_ISCT_STATE_CHANGE) + aslc_stat |= asle_isct_state(dev); - iowrite32(asle_stat, &asle->aslc); + iowrite32(aslc_stat, &asle->aslc); } #define ACPI_EV_DISPLAY_SWITCH (1<<0) |