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rk3066b lcdc: add dump display info support

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This commit is contained in:
yxj
2013-01-06 20:27:32 +08:00
parent 99ecd51af8
commit 0b9e8a2bf0
1 changed files with 125 additions and 1 deletions
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126
drivers/video/rockchip/lcdc/rk3066b_lcdc.c Normal file → Executable file
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@@ -696,11 +696,135 @@ static int rk3066b_lcdc_ovl_mgr(struct rk_lcdc_device_driver *dev_drv,int swap,b
return ovl;
}
static ssize_t dump_win0_disp_info(struct rk3066b_lcdc_device *lcdc_dev,char *buf)
{
char format[9] = "NULL";
u32 fmt_id = LcdRdReg(lcdc_dev,SYS_CFG);
u32 xvir,act_info,dsp_info,dsp_st,factor;
u16 x_act,y_act,x_dsp,y_dsp,x_factor,y_factor;
u16 x_scale,y_scale;
switch((fmt_id&m_W0_FORMAT)>>3)
{
case 0:
strcpy(format,"ARGB888");
break;
case 1:
strcpy(format,"RGB565");
break;
case 2:
strcpy(format,"YCbCr420");
break;
case 3:
strcpy(format,"YCbCr422");
break;
case 5:
strcpy(format,"YCbCr444");
break;
case 6:
strcpy(format,"AYCBCr");
break;
default:
strcpy(format,"inval\n");
break;
}
xvir = LcdRdReg(lcdc_dev,WIN0_VIR)&0xffff;
act_info = LcdRdReg(lcdc_dev,WIN0_ACT_INFO);
dsp_info = LcdRdReg(lcdc_dev,WIN0_DSP_INFO);
dsp_st = LcdRdReg(lcdc_dev,WIN0_DSP_ST);
factor = LcdRdReg(lcdc_dev,WIN0_SCL_FACTOR_YRGB);
x_act = (act_info&0xffff);
y_act = (act_info>>16);
x_dsp = (dsp_info&0x7ff);
y_dsp = (dsp_info>>16);
x_factor = factor&0xffff;
y_factor = factor>>16;
x_scale = 4096*100/x_factor;
y_scale = 4096*100/y_factor;
return snprintf(buf,PAGE_SIZE,
"xvir:%d\n"
"xact:%d\n"
"yact:%d\n"
"xdsp:%d\n"
"ydsp:%d\n"
"x_st:%d\n"
"y_st:%d\n"
"x_scale:%d.%d\n"
"y_scale:%d.%d\n"
"format:%s\n",
xvir,
x_act,
y_act,
x_dsp,
y_dsp,
dsp_st&0xffff,
dsp_st>>16,
x_scale/100,
x_scale%100,
y_scale/100,
y_scale%100,
format);
}
static ssize_t dump_win1_disp_info(struct rk3066b_lcdc_device *lcdc_dev,char *buf)
{
char format[9] = "NULL";
u32 fmt_id = LcdRdReg(lcdc_dev,SYS_CFG);
u32 xvir,act_info,dsp_info,dsp_st,factor;
u16 x_act,y_act,x_dsp,y_dsp,x_factor,y_factor;
u16 x_scale,y_scale;
switch((fmt_id&m_W1_FORMAT)>>2)
{
case 0:
strcpy(format,"ARGB888");
break;
case 1:
strcpy(format,"RGB565");
break;
default:
strcpy(format,"inval\n");
break;
}
xvir = LcdRdReg(lcdc_dev,WIN1_VIR)&0xffff;
dsp_info = LcdRdReg(lcdc_dev,WIN1_DSP_INFO);
dsp_st = LcdRdReg(lcdc_dev,WIN1_DSP_ST);
x_dsp = dsp_info&0x7ff;
y_dsp = dsp_info>>16;
return snprintf(buf,PAGE_SIZE,
"xvir:%d\n"
"xdsp:%d\n"
"ydsp:%d\n"
"x_st:%d\n"
"y_st:%d\n"
"format:%s\n",
xvir,
x_dsp,
y_dsp,
dsp_st&0xffff,
dsp_st>>16,
format);
}
static ssize_t rk3066b_lcdc_get_disp_info(struct rk_lcdc_device_driver *dev_drv,char *buf,int layer_id)
{
struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
return 0;
if(layer_id == 0)
{
return dump_win0_disp_info(lcdc_dev,buf);
}
else if(layer_id == 1)
{
return dump_win1_disp_info(lcdc_dev,buf);
}
return 0;
}