linux-kernel - Re: [PATCH 3/3] media: atmel-isc: Add more format configurations

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Message-ID: <0ed547e4-4507-565d-f172-f11f39fb7ab0@Microchip.com>
Date:   Tue, 22 Aug 2017 15:45:29 +0800
From:   "Yang, Wenyou" <Wenyou.Yang@...rochip.com>
To:     Hans Verkuil <hverkuil@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...pensource.com>
CC:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        <linux-kernel@...r.kernel.org>, Sakari Ailus <sakari.ailus@....fi>,
        Jonathan Corbet <corbet@....net>,
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>
Subject: Re: [PATCH 3/3] media: atmel-isc: Add more format configurations

Hi Hans,


On 2017/8/22 14:54, Hans Verkuil wrote:
> On 08/17/2017 09:16 AM, Wenyou Yang wrote:
>> Add the configuration of formats: GREY, ARGB444, ARGB555 and ARGB32.
>>
>> Signed-off-by: Wenyou Yang <wenyou.yang@...rochip.com>
>> ---
>>
>>   drivers/media/platform/atmel/atmel-isc.c | 22 ++++++++++++++++++++--
>>   1 file changed, 20 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
>> index d91f4e5f8a8d..4e18fe1104c8 100644
>> --- a/drivers/media/platform/atmel/atmel-isc.c
>> +++ b/drivers/media/platform/atmel/atmel-isc.c
>> @@ -184,7 +184,7 @@ struct isc_device {
>>   #define RAW_FMT_IND_START    0
>>   #define RAW_FMT_IND_END      11
>>   #define ISC_FMT_IND_START    12
>> -#define ISC_FMT_IND_END      14
>> +#define ISC_FMT_IND_END      18
> Shouldn't this be 19?
 From ISC_FMT_IND_START to ISC_FMT_IND_END, it describes the formats 
they can be got from both the sensor (possibly) and the ISC controller.

The last format (19) is in not this category. It maybe be got from the 
sensor, can't be generated by the controller.
> Regards,
>
> 	Hans
>
>>   
>>   static struct isc_format isc_formats[] = {
>>   	/* 0 */
>> @@ -246,12 +246,30 @@ static struct isc_format isc_formats[] = {
>>   	{ V4L2_PIX_FMT_YUV422P, 0x0, 16,
>>   	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_YYCC,
>>   	  ISC_DCFG_IMODE_YC422P, ISC_DCTRL_DVIEW_PLANAR, 0x3fb },
>> +
>>   	/* 14 */
>> +	{ V4L2_PIX_FMT_GREY, MEDIA_BUS_FMT_Y8_1X8, 8,
>> +	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DATY8,
>> +	  ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x1fb },
>> +
>> +	/* 15 */
>> +	{ V4L2_PIX_FMT_ARGB444, MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE, 16,
>> +	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_ARGB444,
>> +	  ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x7b },
>> +	/* 16 */
>> +	{ V4L2_PIX_FMT_ARGB555, MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE, 16,
>> +	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_ARGB555,
>> +	  ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x7b },
>> +	/* 17 */
>>   	{ V4L2_PIX_FMT_RGB565, MEDIA_BUS_FMT_RGB565_2X8_LE, 16,
>>   	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_RGB565,
>>   	  ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x7b },
>> +	/* 18 */
>> +	{ V4L2_PIX_FMT_ARGB32, MEDIA_BUS_FMT_ARGB8888_1X32, 32,
>> +	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_ARGB32,
>> +	  ISC_DCFG_IMODE_PACKED32, ISC_DCTRL_DVIEW_PACKED, 0x7b },
>>   
>> -	/* 15 */
>> +	/* 19 */
>>   	{ V4L2_PIX_FMT_YUYV, MEDIA_BUS_FMT_YUYV8_2X8, 16,
>>   	  ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DAT8,
>>   	  ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0 },
>>
Best Regards,
Wenyou Yang