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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2010-11-04 11:06:17 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-11-10 17:29:27 +0900
commit0ea2af1c15b730dba9ce741420352d298bcd7862 (patch)
treef57691cb1b208d44369b0c72c465b72d07990fd4 /drivers/video/sh_mobile_hdmi.c
parentd2ecbab5960d9814a269d36723647d6ef391ba8f (diff)
fbdev: sh_mobile_hdmi: add support for 1080p modes
Add support for 3 more preprogrammed video modes: 1080p at 24, 50, and 60Hz. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/sh_mobile_hdmi.c')
-rw-r--r--drivers/video/sh_mobile_hdmi.c57
1 files changed, 36 insertions, 21 deletions
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 3adffe6acafc..8338bd4d277e 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -209,7 +209,8 @@ enum hotplug_state {
struct sh_hdmi {
void __iomem *base;
enum hotplug_state hp_state; /* hot-plug status */
- bool preprogrammed_mode; /* use a pre-programmed VIC or the external mode */
+ u8 preprogrammed_vic; /* use a pre-programmed VIC or
+ the external mode */
struct clk *hdmi_clk;
struct device *dev;
struct fb_info *info;
@@ -342,7 +343,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
- if (!hdmi->preprogrammed_mode)
+ if (!hdmi->preprogrammed_vic)
hdmi_write(hdmi, sync | 1 | (voffset << 4),
HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
}
@@ -466,7 +467,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
- if (hdmi->var.pixclock < 30000) {
+ if (hdmi->var.pixclock < 10000) {
+ /* for 1080p8bit 148MHz */
+ hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+ hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+ hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+ hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+ hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+ hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+ hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+ } else if (hdmi->var.pixclock < 30000) {
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
/*
* [1:0] Speed_A
@@ -524,6 +536,7 @@ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
{
+ struct fb_var_screeninfo *var = &hdmi->var;
u8 vic;
/* AVI InfoFrame */
@@ -565,17 +578,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
/*
- * VIC = 1280 x 720p: ignored if external config is used
- * Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
+ * VIC should be ignored if external config is used, so, we could just use 0,
+ * but play safe and use a valid value in any case just in case
*/
- if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
- vic = 16;
- else if (hdmi->var.yres == 576 && hdmi->var.xres == 720)
- vic = 17;
- else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
- vic = 2;
- else if (hdmi->var.yres == 480 && hdmi->var.xres == 640)
- vic = 1;
+ if (hdmi->preprogrammed_vic)
+ vic = hdmi->preprogrammed_vic;
else
vic = 4;
hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
@@ -828,17 +835,25 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
if (!found)
return -ENXIO;
- if ((found->xres == 640 && found->yres == 480 && found->refresh == 60) ||
- (found->xres == 720 && found->yres == 480 && found->refresh == 60) ||
- (found->xres == 720 && found->yres == 576 && found->refresh == 50) ||
- (found->xres == 1280 && found->yres == 720 && found->refresh == 60) ||
- (found->xres == 1920 && found->yres == 1080 && found->refresh == 60))
- hdmi->preprogrammed_mode = true;
+ if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
+ hdmi->preprogrammed_vic = 1;
+ else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
+ hdmi->preprogrammed_vic = 2;
+ else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
+ hdmi->preprogrammed_vic = 17;
+ else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
+ hdmi->preprogrammed_vic = 4;
+ else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
+ hdmi->preprogrammed_vic = 32;
+ else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
+ hdmi->preprogrammed_vic = 31;
+ else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
+ hdmi->preprogrammed_vic = 16;
else
- hdmi->preprogrammed_mode = false;
+ hdmi->preprogrammed_vic = 0;
dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
- modelist ? "default" : "EDID", hdmi->preprogrammed_mode ? "VIC" : "external",
+ modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
found->xres, found->yres, found->refresh,
PICOS2KHZ(found->pixclock) * 1000, found_rate_error);