]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/gpu/drm/i915/intel_opregion.c
Merge remote-tracking branch 'sound/for-next'
[karo-tx-linux.git] / drivers / gpu / drm / i915 / intel_opregion.c
index aab84b1dbf493542837de50d8df9022d347e9450..b82050c96f3e76542cffa8ee0170dbcaadbbfc7b 100644 (file)
@@ -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
@@ -236,7 +258,9 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
        /* Driver sleep timeout in ms. */
        dslp = ioread32(&swsci->dslp);
        if (!dslp) {
-               dslp = 2;
+               /* The spec says 2ms should be the default, but it's too small
+                * for some machines. */
+               dslp = 50;
        } else if (dslp > 500) {
                /* Hey bios, trust must be earned. */
                WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp);
@@ -377,14 +401,15 @@ 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;
 
+       DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
        intel_panel_set_backlight(dev, bclp, 255);
-       iowrite32((bclp*0x64)/0xff | ASLE_CBLV_VALID, &asle->cblv);
+       iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv);
 
        return 0;
 }
@@ -394,13 +419,13 @@ 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 +433,106 @@ 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)