SDVO: handle multifunction encoder (try 2)
For SDVO encoder that advertise multiple functions, we have to get attached display to determine current output, and update output's name according with current type.
This commit is contained in:
Zhenyu Wang
parent
d4c64f01b9
commit
0d20bbbc20
225
src/i830_sdvo.c
225
src/i830_sdvo.c
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@ -66,6 +66,14 @@ struct i830_sdvo_priv {
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*/
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struct i830_sdvo_caps caps;
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/**
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* For multiple function SDVO device, this is for current attached outputs.
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*/
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uint16_t attached_output;
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/* Current output type name */
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char *name;
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/** Pixel clock limitations reported by the SDVO device, in kHz */
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int pixel_clock_min, pixel_clock_max;
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@ -1516,6 +1524,135 @@ i830_sdvo_check_hdmi_encode (xf86OutputPtr output)
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return FALSE;
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}
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static void i830_sdvo_select_ddc_bus(struct i830_sdvo_priv *dev_priv);
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static Bool
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i830_sdvo_output_setup (xf86OutputPtr output, uint16_t flag)
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{
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I830OutputPrivatePtr intel_output = output->driver_private;
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struct i830_sdvo_priv *dev_priv = intel_output->dev_priv;
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char *name_prefix;
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char *name_suffix;
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if (dev_priv->output_device == SDVOB)
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name_suffix = "-1";
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else
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name_suffix = "-2";
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if (flag & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
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{
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if (flag & SDVO_OUTPUT_TMDS0)
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dev_priv->controlled_output = SDVO_OUTPUT_TMDS0;
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else
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dev_priv->controlled_output = SDVO_OUTPUT_TMDS1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="TMDS";
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if (i830_sdvo_check_hdmi_encode (output))
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name_prefix = "HDMI";
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}
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else if (flag & SDVO_OUTPUT_SVID0)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_SVID0;
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output->subpixel_order = SubPixelHorizontalRGB; /* XXX */
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name_prefix="TV";
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dev_priv->is_tv = TRUE;
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intel_output->needs_tv_clock = TRUE;
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}
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else if (flag & SDVO_OUTPUT_RGB0)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_RGB0;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="VGA";
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}
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else if (flag & SDVO_OUTPUT_RGB1)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_RGB1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="VGA";
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} else if (flag & SDVO_OUTPUT_LVDS0) {
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dev_priv->controlled_output = SDVO_OUTPUT_LVDS0;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="LVDS";
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} else if (flag & SDVO_OUTPUT_LVDS1) {
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dev_priv->controlled_output = SDVO_OUTPUT_LVDS1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="LVDS";
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} else {
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unsigned char bytes[2];
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dev_priv->controlled_output = 0;
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memcpy (bytes, &flag, 2);
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xf86DrvMsg(intel_output->pI2CBus->scrnIndex, X_WARNING,
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"%s: Unknown SDVO output type (0x%02x%02x)\n",
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SDVO_NAME(dev_priv),
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bytes[0], bytes[1]);
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name_prefix="Unknown";
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}
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/* if exist origin name it will be freed in xf86OutputRename() */
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dev_priv->name = xalloc(strlen(name_prefix) + strlen(name_suffix) + 1);
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strcpy (dev_priv->name, name_prefix);
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strcat (dev_priv->name, name_suffix);
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if (!xf86OutputRename (output, dev_priv->name))
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{
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xf86DrvMsg(intel_output->pI2CBus->scrnIndex, X_WARNING,
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"%s: Failed to rename output to %s\n",
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SDVO_NAME(dev_priv), dev_priv->name);
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xf86OutputDestroy (output);
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return FALSE;
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}
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/* update randr_output's name */
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if (output->randr_output) {
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int nameLength = strlen(dev_priv->name);
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RROutputPtr randr_output = output->randr_output;
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char *name = xalloc(nameLength + 1);
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if (name) {
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if (randr_output->name != (char *) (randr_output + 1))
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xfree(randr_output->name);
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randr_output->name = name;
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randr_output->nameLength = nameLength;
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memcpy(randr_output->name, dev_priv->name, nameLength);
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randr_output->name[nameLength] = '\0';
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} else
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xf86DrvMsg(intel_output->pI2CBus->scrnIndex, X_WARNING,
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"%s: Failed to update RandR output name to %s\n",
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SDVO_NAME(dev_priv), dev_priv->name);
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}
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i830_sdvo_select_ddc_bus(dev_priv);
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return TRUE;
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}
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static Bool
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i830_sdvo_multifunc_encoder(xf86OutputPtr output)
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{
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I830OutputPrivatePtr intel_output = output->driver_private;
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struct i830_sdvo_priv *dev_priv = intel_output->dev_priv;
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int caps = 0;
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if (dev_priv->caps.output_flags & (SDVO_OUTPUT_TMDS0 |
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SDVO_OUTPUT_TMDS1))
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caps++;
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if (dev_priv->caps.output_flags & (SDVO_OUTPUT_RGB0 |
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SDVO_OUTPUT_RGB1))
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caps++;
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if (dev_priv->caps.output_flags & (SDVO_OUTPUT_CVBS0 |
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SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0 |
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SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_CVBS1 |
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SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_YPRPB1 |
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SDVO_OUTPUT_SCART1))
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caps++;
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if (dev_priv->caps.output_flags & (SDVO_OUTPUT_LVDS0 |
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SDVO_OUTPUT_LVDS1))
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caps++;
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return (caps > 1);
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}
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/**
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* Asks the SDVO device if any displays are currently connected.
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*
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@ -1542,6 +1679,14 @@ i830_sdvo_detect(xf86OutputPtr output)
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if (response == 0)
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return XF86OutputStatusDisconnected;
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if (i830_sdvo_multifunc_encoder(output)) {
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if (dev_priv->attached_output != response) {
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if (!i830_sdvo_output_setup(output, response))
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return XF86OutputStatusUnknown;
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dev_priv->attached_output = response;
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}
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}
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if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
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{
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xf86MonPtr edid_mon;
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@ -1735,10 +1880,18 @@ i830_sdvo_destroy (xf86OutputPtr output)
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if (intel_output)
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{
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struct i830_sdvo_priv *dev_priv = intel_output->dev_priv;
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xf86DestroyI2CBusRec (intel_output->pDDCBus, FALSE, FALSE);
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xf86DestroyI2CDevRec (&dev_priv->d, FALSE);
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xf86DestroyI2CBusRec (dev_priv->d.pI2CBus, TRUE, TRUE);
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if (output->randr_output) {
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RROutputPtr randr_output = output->randr_output;
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if (randr_output->name &&
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randr_output->name != (char *) (randr_output + 1))
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xfree(randr_output->name);
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}
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xfree (intel_output);
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}
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}
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@ -1838,9 +1991,6 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
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int i;
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unsigned char ch[0x40];
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I2CBusPtr i2cbus = NULL, ddcbus;
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char name[60];
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char *name_prefix;
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char *name_suffix;
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output = xf86OutputCreate (pScrn, &i830_sdvo_output_funcs,NULL);
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if (!output)
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@ -1880,11 +2030,9 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
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if (output_device == SDVOB) {
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dev_priv->d.DevName = "SDVO Controller B";
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dev_priv->d.SlaveAddr = 0x70;
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name_suffix="-1";
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} else {
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dev_priv->d.DevName = "SDVO Controller C";
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dev_priv->d.SlaveAddr = 0x72;
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name_suffix="-2";
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}
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dev_priv->d.pI2CBus = i2cbus;
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dev_priv->d.DriverPrivate.ptr = output;
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@ -1945,70 +2093,17 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device)
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intel_output->pDDCBus = ddcbus;
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intel_output->dev_priv = dev_priv;
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i830_sdvo_get_capabilities(output, &dev_priv->caps);
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if (dev_priv->caps.output_flags & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
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{
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if (dev_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
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dev_priv->controlled_output = SDVO_OUTPUT_TMDS0;
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else
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dev_priv->controlled_output = SDVO_OUTPUT_TMDS1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="TMDS";
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if (i830_sdvo_check_hdmi_encode (output))
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name_prefix = "HDMI";
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}
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else if (dev_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_SVID0;
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output->subpixel_order = SubPixelHorizontalRGB; /* XXX */
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name_prefix="TV";
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dev_priv->is_tv = TRUE;
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intel_output->needs_tv_clock = TRUE;
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}
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else if (dev_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_RGB0;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="VGA";
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}
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else if (dev_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
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{
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dev_priv->controlled_output = SDVO_OUTPUT_RGB1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="VGA";
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} else if (dev_priv->caps.output_flags & SDVO_OUTPUT_LVDS0) {
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dev_priv->controlled_output = SDVO_OUTPUT_LVDS0;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="LVDS";
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} else if (dev_priv->caps.output_flags & SDVO_OUTPUT_LVDS1) {
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dev_priv->controlled_output = SDVO_OUTPUT_LVDS1;
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output->subpixel_order = SubPixelHorizontalRGB;
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name_prefix="LVDS";
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}
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else
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{
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unsigned char bytes[2];
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dev_priv->controlled_output = 0;
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memcpy (bytes, &dev_priv->caps.output_flags, 2);
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xf86DrvMsg(intel_output->pI2CBus->scrnIndex, X_WARNING,
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"%s: Unknown SDVO output type (0x%02x%02x)\n",
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SDVO_NAME(dev_priv),
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bytes[0], bytes[1]);
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name_prefix="Unknown";
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}
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strcpy (name, name_prefix);
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strcat (name, name_suffix);
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if (!xf86OutputRename (output, name))
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if (!i830_sdvo_get_capabilities(output, &dev_priv->caps))
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{
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xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
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"Failed to get %s capabilities\n",
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SDVO_NAME(dev_priv));
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xf86OutputDestroy (output);
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return FALSE;
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}
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i830_sdvo_select_ddc_bus(dev_priv);
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if (!i830_sdvo_output_setup (output, dev_priv->caps.output_flags))
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return FALSE;
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/* Set the input timing to the screen. Assume always input 0. */
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i830_sdvo_set_target_input(output, TRUE, FALSE);
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