[PATCH v5 1/2] ARM: davinci: dm355: add support for v4l2 video display
Prabhakar Lad
prabhakar.csengg at gmail.com
Mon Mar 18 05:09:17 EDT 2013
Sekhar,
On Mon, Mar 18, 2013 at 2:11 PM, Sekhar Nori <nsekhar at ti.com> wrote:
> On 3/16/2013 3:47 PM, Prabhakar lad wrote:
>> From: Lad, Prabhakar <prabhakar.csengg at gmail.com>
>>
>> Create platform devices for various video modules like venc,osd,
>> vpbe and v4l2 driver for dm355.
>>
>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg at gmail.com>
>
> Comments on the DM365 series apply to this one too. In addition:
>
OK.
>> +static int dm355_vpbe_setup_pinmux(enum v4l2_mbus_pixelcode if_type,
>> + int field)
>> {
>> - vpfe_capture_dev.dev.platform_data = cfg;
>> + switch (if_type) {
>> + case V4L2_MBUS_FMT_SGRBG8_1X8:
>> + davinci_cfg_reg(DM355_VOUT_FIELD_G70);
>> + break;
>> +
>> + case V4L2_MBUS_FMT_YUYV10_1X20:
>> + /*
>> + * This was VPBE_DIGITAL_IF_YCC16. Replace the enum
>
> "was VPBE_DIGITAL_IF_YCC16" when? This is the first time this code is
> getting in.
>
>> + * accordingly when the right one gets into open source
>
> What is the "right one"? And "open source" == kernel? Then may be just
> call it that.
>
Ah this comment doesn't make any sense ' V4L2_MBUS_FMT_YUYV10_1X20'
is the correct one itself. I'll remove this comment.
>> + */
>> + if (field)
>> + davinci_cfg_reg(DM355_VOUT_FIELD);
>> + else
>> + davinci_cfg_reg(DM355_VOUT_FIELD_G70);
>> + break;
>> +
>> + default:
>> + return -EINVAL;
>> + }
>> +
>> + davinci_cfg_reg(DM355_VOUT_COUTL_EN);
>> + davinci_cfg_reg(DM355_VOUT_COUTH_EN);
>> +
>> + return 0;
>> }
>>
>> +static inline u32 dm355_reg_modify(void *reg, u32 val, u32 mask)
>> +{
>> + u32 new_val = (readl(reg) & ~mask) | (val & mask);
>> +
>> + writel(new_val, reg);
>> +
>> + return new_val;
>> +}
>
> This function needs to be removed.
>
Ah missed, I wonder how the compiler didn't catch it!
Regards,
--Prabhakar
> Thanks,
> Sekhar
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