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SubjectRe: It has added ARGB1888 and ARGB4888 features to Samsung SoC Framebuffer driver.
From
Thank you Kyungmin,

Signed-off-by: InKi Dae <daeinki@gmail.com, inki.dae@samsung.com>

2009/4/10 Kyungmin Park <kmpark@infradead.org>:
> Hi,
>
> On Thu, Apr 9, 2009 at 12:59 AM, InKi Dae <daeinki@gmail.com> wrote:
>> This patch supports ARGB1888 and ARGB4888 for Samsung SoC Framebuffer
>> driver. (s3c-fb.c)
>> I tested and is working fine.
>>
>> If this patch has any problem, please let me know.
>> I'll look forward to applying to mainline.
>>
>> Thank you,
>> InKi Dae.
>
> Please give you signed-off-by here and more descriptions
>
>>
>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>> diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
>> index e0e7899..55d2298 100644
>> --- a/drivers/video/s3c-fb.c
>> +++ b/drivers/video/s3c-fb.c
>> @@ -358,9 +358,16 @@ static int s3c_fb_set_par(struct fb_info *info)
>>  writel(data, regs + VIDOSD_B(win_no));
>>
>>  data = var->xres * var->yres;
>> +
>> + u32 osdc_data = 0;
>> +
>> + osdc_data = VIDISD14C_ALPHA1_R(0xf) |
>> +  VIDISD14C_ALPHA1_G(0xf) |
>> +  VIDISD14C_ALPHA1_B(0xf);
>> +
>>  if (s3c_fb_has_osd_d(win_no)) {
>>   writel(data, regs + VIDOSD_D(win_no));
>> -  writel(0, regs + VIDOSD_C(win_no));
>> +  writel(osdc_data, regs + VIDOSD_C(win_no));
>>  } else
>>   writel(data, regs + VIDOSD_C(win_no));
>>
>> @@ -409,8 +416,12 @@ static int s3c_fb_set_par(struct fb_info *info)
>>     data |= WINCON1_BPPMODE_19BPP_A1666;
>>    else
>>     data |= WINCON1_BPPMODE_18BPP_666;
>> -  } else if (var->transp.length != 0)
>> -   data |= WINCON1_BPPMODE_25BPP_A1888;
>> +  } else if (var->transp.length == 1)
>> +   data |= WINCON1_BPPMODE_25BPP_A1888
>> +    | WINCON1_BLD_PIX;
>> +  else if (var->transp.length == 4)
>> +   data |= WINCON1_BPPMODE_28BPP_A4888
>> +    | WINCON1_BLD_PIX | WINCON1_ALPHA_SEL;
>>   else
>>    data |= WINCON0_BPPMODE_24BPP_888;
>>
>> @@ -418,6 +429,20 @@ static int s3c_fb_set_par(struct fb_info *info)
>>   break;
>>  }
>>
>> + /* It has no color key control register for window0 */
>> + if (win_no > 0) {
>> +  u32 keycon0_data = 0, keycon1_data = 0;
>> +
>> +  keycon0_data = ~(WxKEYCON0_KEYBL_EN |
>> +    WxKEYCON0_KEYEN_F |
>> +    WxKEYCON0_DIRCON) | WxKEYCON0_COMPKEY(0);
>> +
>> +  keycon1_data = WxKEYCON1_COLVAL(0xffffff);
>> +
>> +  writel(keycon0_data, regs + WxKEYCONy(win_no-1, 0));
>> +  writel(keycon1_data, regs + WxKEYCONy(win_no-1, 1));
>> + }
>> +
>>  writel(data, regs + WINCON(win_no));
>>  writel(0x0, regs + WINxMAP(win_no));
>> --
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>
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