Attachment 15710 Details for Bug 13984 – Implements RANDR backlight property

[patch] Implements RANDR backlight property

backlight_property.patch (text/plain), 8.47 KB, created by Krisztian Loki on 2008-04-05 16:12:28 UTC

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Creator: Krisztian Loki

Created: 2008-04-05 16:12:28 UTC

Size: 8.47 KB

patch

obsolete

>diff --git a/src/rhd_lvtma.c b/src/rhd_lvtma.c
>index 93960d4..102fc6f 100644
>--- a/src/rhd_lvtma.c
>+++ b/src/rhd_lvtma.c
>@@ -91,6 +91,8 @@ LVTMARegisterShift(int ChipSet, CARD16 R500, CARD16 R600)
>     LVTMAREGSHIFT(LVTMA_R500_TRANSMITTER_CONTROL, LVTMA_R600_TRANSMITTER_CONTROL)
> #define LVTMA_REG_TEST_OUTPUT \
>     LVTMAREGSHIFT(LVTMA_R500_REG_TEST_OUTPUT, LVTMA_R600_REG_TEST_OUTPUT)
>+#define LVTMA_BL_MOD_CNTL \
>+    LVTMAREGSHIFT(LVTMA_R500_BL_MOD_CNTL, LVTMA_R600_BL_MOD_CNTL)
> 
> /*
>  *
>@@ -400,6 +402,54 @@ LVDSSave(struct rhdOutput *Output)
>     Private->Stored = TRUE;
> }
> 
>+static int
>+LVDSBacklight(struct rhdOutput *Output)
>+{
>+    RHDPtr rhdPtr = RHDPTRI(Output);
>+    CARD32 tmp;
>+    Bool Blon, BlonOvrd, BlonPol, BlModEn;
>+    int BlModLevel, BlModRes = 0;
>+
>+    tmp = (RHDRegRead(Output, LVTMA_PWRSEQ_STATE) >> 3) & 0x01;
>+    xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "%s: PWRSEQ BLON State: %s\n",
>+	    __func__, tmp ? "on" : "off");
>+    tmp = RHDRegRead(rhdPtr, LVTMA_PWRSEQ_CNTL);
>+    Blon = (tmp >> 24) & 0x1;
>+    BlonOvrd = (tmp >> 25) & 0x1;
>+    BlonPol = (tmp >> 26) & 0x1;
>+
>+    xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "%s: BLON: %s BLON_OVRD: %s BLON_POL: %s\n",
>+	    __func__, Blon ? "on" : "off",
>+	    BlonOvrd ? "enabled" : "disabled",
>+	    BlonPol ? "invert" : "non-invert");
>+
>+    tmp = RHDRegRead(rhdPtr, LVTMA_BL_MOD_CNTL);
>+    BlModEn = tmp & 0x1;
>+    BlModLevel = (tmp >> 8) & 0xFF;
>+    if (rhdPtr->ChipSet >= RHD_RS600)
>+	BlModRes = (tmp >> 16) & 0xFF;
>+
>+    xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "%s: BL_MOD: %s BL_MOD_LEVEL: %d BL_MOD_RES: %d\n",
>+	    __func__, BlModEn ? "enable" : "disable",
>+	    BlModLevel, BlModRes);
>+
>+    return BlModLevel;
>+}
>+
>+static void
>+LVDSSetBacklight(struct rhdOutput *Output, int level)
>+{
>+    RHDPtr rhdPtr = RHDPTRI(Output);
>+
>+    xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "%s: trying to set BL_MOD_LEVEL to: %d\n", __func__, level);
>+    RHDRegMask(rhdPtr, LVTMA_BL_MOD_CNTL, level << 8, 0xFF00);
>+
>+    /*
>+     * Poor man's debug
>+     */
>+    LVDSBacklight(Output);
>+}
>+
> /*
>  * This needs to reset things like the temporal dithering and the TX appropriately.
>  * Currently it's a dumb register dump.
>@@ -432,6 +482,11 @@ LVDSRestore(struct rhdOutput *Output)
>     RHDRegWrite(Output, LVTMA_TRANSMITTER_ENABLE, Private->StoreTxEnable);
>     RHDRegWrite(Output, LVTMA_MACRO_CONTROL, Private->StoreMacroControl);
>     RHDRegWrite(Output, LVTMA_TRANSMITTER_CONTROL,  Private->StoreTXControl);
>+
>+    /*
>+     * Poor man's debug
>+     */
>+    LVDSBacklight(Output);
> }
> 
> /*
>@@ -469,6 +524,14 @@ LVDSInfoRetrieve(RHDPtr rhdPtr)
>     Private->LVDS24Bit = RHDRegRead(rhdPtr, LVTMA_LVDS_DATA_CNTL) & 0x00000001;
>     Private->FPDI = RHDRegRead(rhdPtr, LVTMA_LVDS_DATA_CNTL) & 0x00000010;
> 
>+    {
>+	struct rhdOutput *ro = rhdPtr->Outputs;
>+	while(ro && ro->Id != RHD_OUTPUT_LVTMA)
>+	    ro = ro->Next;
>+	if (ro)
>+	    LVDSBacklight(ro);
>+    }
>+
>     tmp = RHDRegRead(rhdPtr, LVTMA_BIT_DEPTH_CONTROL);
>     Private->TemporalDither =  ((tmp & (1 << 16)) != 0);
>     Private->SpatialDither = ((tmp & (1 << 8)) != 0);
>@@ -930,6 +993,8 @@ RHDLVTMAInit(RHDPtr rhdPtr, CARD8 Type)
> 	Output->Power = LVDSPower;
> 	Output->Save = LVDSSave;
> 	Output->Restore = LVDSRestore;
>+	Output->Backlight = LVDSBacklight;
>+	Output->SetBacklight = LVDSSetBacklight;
> 
> 	Output->Private = LVDSInfoRetrieve(rhdPtr);
>     } else {
>diff --git a/src/rhd_output.h b/src/rhd_output.h
>index f94168a..d147e06 100644
>--- a/src/rhd_output.h
>+++ b/src/rhd_output.h
>@@ -80,6 +80,8 @@ struct rhdOutput {
>     void (*Save) (struct rhdOutput *Output);
>     void (*Restore) (struct rhdOutput *Output);
>     void (*Destroy) (struct rhdOutput *Output);
>+    int (*Backlight) (struct rhdOutput *Output);
>+    void (*SetBacklight) (struct rhdOutput *Output, int level);
> 
>     /* Output Private data */
>     void *Private;
>diff --git a/src/rhd_randr.c b/src/rhd_randr.c
>index 2c80aa2..af79387 100644
>--- a/src/rhd_randr.c
>+++ b/src/rhd_randr.c
>@@ -101,9 +101,10 @@ typedef struct _rhdRandrOutput {
> #define ATOM_CONNECTOR_NUMBER "RANDR_CONNECTOR_NUMBER"
> #define ATOM_OUTPUT_NUMBER    "RANDR_OUTPUT_NUMBER"
> #define ATOM_PANNING_AREA     "RANDR_PANNING_AREA"
>+#define ATOM_BACKLIGHT        "BACKLIGHT"
> 
> static Atom atomSignalFormat, atomConnectorType, atomConnectorNumber,
>-	    atomOutputNumber, atomPanningArea;
>+	    atomOutputNumber, atomPanningArea, atomBacklight;
> 
> 
> /* Get RandR property values */
>@@ -414,7 +415,9 @@ static Bool
> rhdRRCrtcModeFixupDUMMY(xf86CrtcPtr    crtc,
> 			DisplayModePtr mode,
> 			DisplayModePtr adjusted_mode)
>-{ return TRUE; }
>+{
>+    return TRUE;
>+}
> 
> #if 0 /* Needed if we want to support rotation w/o own hardware support */
>     void *
>@@ -455,6 +458,8 @@ rhdRROutputCreateResources(xf86OutputPtr out)
>     struct rhdOutput *o;
>     const char       *val;
>     CARD32            num;
>+    int              err;
>+    INT32            range[2];
> 
>     RHDFUNC(rhdPtr);
> 
>@@ -479,6 +484,33 @@ rhdRROutputCreateResources(xf86OutputPtr out)
> 			      FALSE, FALSE, TRUE, 0, NULL);
>     RRConfigureOutputProperty(out->randr_output, atomPanningArea,
> 			      FALSE, FALSE, FALSE, 0, NULL);
>+
>+    if (rout->Output->Id == RHD_OUTPUT_LVTMA &&
>+	rout->Connector->Type == RHD_CONNECTOR_PANEL) {
>+	atomBacklight = MakeAtom(ATOM_BACKLIGHT,
>+				 sizeof(ATOM_BACKLIGHT)-1, TRUE);
>+
>+	range[0] = 0;
>+	range[1] = 255;
>+	err = RRConfigureOutputProperty(out->randr_output, atomBacklight,
>+					FALSE, TRUE, FALSE, 2, range);
>+	if (err != 0)
>+	    xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR,
>+		       "RRConfigureOutputProperty error: %d\n", err);
>+	else {
>+	    int data = rout->Output->Backlight ?
>+		rout->Output->Backlight(rout->Output) : 255;
>+
>+	    err = RRChangeOutputProperty(out->randr_output, atomBacklight,
>+					 XA_INTEGER, 32, PropModeReplace,
>+					 1, &data, FALSE, FALSE);
>+	    if (err != 0)
>+		xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR,
>+			   "In %s RRChangeOutputProperty error: %d\n",
>+			   __func__, err);
>+	}
>+    }
>+
>     val = rhdGetSignalFormat(rout);
>     RRChangeOutputProperty(out->randr_output, atomSignalFormat,
> 			   XA_STRING, 8, PropModeReplace,
>@@ -946,12 +978,53 @@ rhdRROutputSetProperty(xf86OutputPtr out, Atom property,
> 	default:
> 	    return FALSE;
> 	}
>+    } else if (property == atomBacklight) {
>+	if (value->type != XA_INTEGER || value->format != 32) {
>+	    xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR, "%s: wrong value\n", __func__);
>+	    return FALSE;
>+	}
>+	if (rout->Output->SetBacklight) {
>+	    rout->Output->SetBacklight(rout->Output, *(int*)(value->data));
>+	}
>+	return TRUE;
>     }
> 
>     return FALSE;	/* Others are not mutable */
> }
> 
> 
>+#ifdef RANDR_13_INTERFACE
>+static Bool
>+rhdRROutputGetProperty(xf86OutputPtr out, Atom property)
>+{
>+    RHDPtr rhdPtr          = RHDPTR(out->scrn);
>+    rhdRandrOutputPtr rout = (rhdRandrOutputPtr) out->driver_private;
>+    int data = 255, err;
>+
>+    xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "In %s\n", __func__);
>+
>+    if (property == atomBacklight) {
>+	if (rout->Output->Backlight == NULL)
>+	    return FALSE;
>+
>+	data = rout->Output->Backlight(rout->Output);
>+
>+	err = RRChangeOutputProperty(out->randr_output, atomBacklight,
>+		XA_INTEGER, 32, PropModeReplace,
>+		1, &data, FALSE, FALSE);
>+
>+	if (err != 0) {
>+	    xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR, "In %s RRChangeOutputProperty error: %d\n", __func__, err);
>+	    return FALSE;
>+	}
>+
>+	return TRUE;
>+    }
>+
>+    return FALSE;
>+}
>+#endif
>+
> /*
>  * Xorg Interface
>  */
>@@ -981,6 +1054,9 @@ static const xf86OutputFuncsRec rhdRROutputFuncs = {
>     rhdRROutputPrepare, rhdRROutputCommit,
>     rhdRROutputModeSet, rhdRROutputDetect, rhdRROutputGetModes,
>     rhdRROutputSetProperty,		       /* Only(!) RANDR_12_INTERFACE */
>+#ifdef RANDR_13_INTERFACE
>+    rhdRROutputGetProperty,  /* get_property */
>+#endif
>     NULL						/* Destroy */
> };
> 
>diff --git a/src/rhd_regs.h b/src/rhd_regs.h
>index efb53b4..83b3bea 100644
>--- a/src/rhd_regs.h
>+++ b/src/rhd_regs.h
>@@ -293,6 +293,7 @@ enum {
>     LVTMA_R500_PWRSEQ_DELAY2        = 0x7AEC,
>     LVTMA_R500_PWRSEQ_CNTL          = 0x7AF0,
>     LVTMA_R500_PWRSEQ_STATE         = 0x7AF4,
>+    LVTMA_R500_BL_MOD_CNTL          = 0x7AF8,
>     LVTMA_R500_LVDS_DATA_CNTL       = 0x7AFC,
>     LVTMA_R500_MODE                 = 0x7B00,
>     LVTMA_R500_TRANSMITTER_ENABLE   = 0x7B04,
>@@ -308,6 +309,7 @@ enum {
>     LVTMA_R600_PWRSEQ_DELAY2        = 0x7AF0,
>     LVTMA_R600_PWRSEQ_CNTL          = 0x7AF4,
>     LVTMA_R600_PWRSEQ_STATE         = 0x7AF8,
>+    LVTMA_R600_BL_MOD_CNTL          = 0x7AFC,
>     LVTMA_R600_LVDS_DATA_CNTL       = 0x7B00,
>     LVTMA_R600_MODE                 = 0x7B04,
>     LVTMA_R600_TRANSMITTER_ENABLE   = 0x7B08,

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