From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Hyunwoong Kim <khw0178.kim@samsung.com>
Cc: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH v3.2] [media] s5p-fimc: fix the value of YUV422 1-plane formats
Date: Thu, 23 Dec 2010 10:10:56 +0100 [thread overview]
Message-ID: <4D131220.4030602@samsung.com> (raw)
In-Reply-To: <1293067564-18582-1-git-send-email-khw0178.kim@samsung.com>
Hi Hyunwoong,
I am going to handle this patch through my tree.
Finally it applies cleanly.
Thanks,
Sylwester
On 12/23/2010 02:26 AM, Hyunwoong Kim wrote:
> Some color formats are mismatched in s5p-fimc driver.
> CIOCTRL[1:0], order422_out, should be set 2b'00 not 2b'11
> to use V4L2_PIX_FMT_YUYV. Because in V4L2 standard V4L2_PIX_FMT_YUYV means
> "start + 0: Y'00 Cb00 Y'01 Cr00 Y'02 Cb01 Y'03 Cr01". According to datasheet
> 2b'00 is right value for V4L2_PIX_FMT_YUYV.
>
> ---------------------------------------------------------
> bit | MSB LSB
> ---------------------------------------------------------
> 00 | Cr1 Y3 Cb1 Y2 Cr0 Y1 Cb0 Y0
> ---------------------------------------------------------
> 01 | Cb1 Y3 Cr1 Y2 Cb0 Y1 Cr0 Y0
> ---------------------------------------------------------
> 10 | Y3 Cr1 Y2 Cb1 Y1 Cr0 Y0 Cb0
> ---------------------------------------------------------
> 11 | Y3 Cb1 Y2 Cr1 Y1 Cb0 Y0 Cr0
> ---------------------------------------------------------
>
> V4L2_PIX_FMT_YVYU, V4L2_PIX_FMT_UYVY, V4L2_PIX_FMT_VYUY are also mismatched
> with datasheet. MSCTRL[17:16], order2p_in, is also mismatched
> in V4L2_PIX_FMT_UYVY, V4L2_PIX_FMT_YVYU.
>
> Reviewed-by: Jonghun Han <jonghun.han@samsung.com>
> Signed-off-by: Hyunwoong Kim <khw0178.kim@samsung.com>
> ---
> Changes since V3:
> - Code sync with http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/vb2-mfc-fimc
>
> Changes since V2:
> - Correct the name of Output DMA control register
> - Change definitions of YUV422 input/outut format with datasheet
> commented by Sylwester Nawrocki.
>
> Changes since V1:
> - make corrections directly in function fimc_set_yuv_order
> commented by Sylwester Nawrocki.
> - remove S5P_FIMC_IN_* and S5P_FIMC_OUT_* definitions from fimc-core.h
>
> drivers/media/video/s5p-fimc/fimc-core.c | 16 ++++++++--------
> drivers/media/video/s5p-fimc/fimc-core.h | 12 ------------
> drivers/media/video/s5p-fimc/regs-fimc.h | 12 ++++++------
> 3 files changed, 14 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
> index 2374fd8..6e388ff 100644
> --- a/drivers/media/video/s5p-fimc/fimc-core.c
> +++ b/drivers/media/video/s5p-fimc/fimc-core.c
> @@ -448,34 +448,34 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
> /* Set order for 1 plane input formats. */
> switch (ctx->s_frame.fmt->color) {
> case S5P_FIMC_YCRYCB422:
> - ctx->in_order_1p = S5P_FIMC_IN_YCRYCB;
> + ctx->in_order_1p = S5P_MSCTRL_ORDER422_CBYCRY;
> break;
> case S5P_FIMC_CBYCRY422:
> - ctx->in_order_1p = S5P_FIMC_IN_CBYCRY;
> + ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCRYCB;
> break;
> case S5P_FIMC_CRYCBY422:
> - ctx->in_order_1p = S5P_FIMC_IN_CRYCBY;
> + ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCBYCR;
> break;
> case S5P_FIMC_YCBYCR422:
> default:
> - ctx->in_order_1p = S5P_FIMC_IN_YCBYCR;
> + ctx->in_order_1p = S5P_MSCTRL_ORDER422_CRYCBY;
> break;
> }
> dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
>
> switch (ctx->d_frame.fmt->color) {
> case S5P_FIMC_YCRYCB422:
> - ctx->out_order_1p = S5P_FIMC_OUT_YCRYCB;
> + ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CBYCRY;
> break;
> case S5P_FIMC_CBYCRY422:
> - ctx->out_order_1p = S5P_FIMC_OUT_CBYCRY;
> + ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCRYCB;
> break;
> case S5P_FIMC_CRYCBY422:
> - ctx->out_order_1p = S5P_FIMC_OUT_CRYCBY;
> + ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCBYCR;
> break;
> case S5P_FIMC_YCBYCR422:
> default:
> - ctx->out_order_1p = S5P_FIMC_OUT_YCBYCR;
> + ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CRYCBY;
> break;
> }
> dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
> diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
> index 1f1beaa..d684138 100644
> --- a/drivers/media/video/s5p-fimc/fimc-core.h
> +++ b/drivers/media/video/s5p-fimc/fimc-core.h
> @@ -94,18 +94,6 @@ enum fimc_color_fmt {
>
> #define fimc_fmt_is_rgb(x) ((x) & 0x10)
>
> -/* Y/Cb/Cr components order at DMA output for 1 plane YCbCr 4:2:2 formats. */
> -#define S5P_FIMC_OUT_CRYCBY S5P_CIOCTRL_ORDER422_CRYCBY
> -#define S5P_FIMC_OUT_CBYCRY S5P_CIOCTRL_ORDER422_YCRYCB
> -#define S5P_FIMC_OUT_YCRYCB S5P_CIOCTRL_ORDER422_CBYCRY
> -#define S5P_FIMC_OUT_YCBYCR S5P_CIOCTRL_ORDER422_YCBYCR
> -
> -/* Input Y/Cb/Cr components order for 1 plane YCbCr 4:2:2 color formats. */
> -#define S5P_FIMC_IN_CRYCBY S5P_MSCTRL_ORDER422_CRYCBY
> -#define S5P_FIMC_IN_CBYCRY S5P_MSCTRL_ORDER422_YCRYCB
> -#define S5P_FIMC_IN_YCRYCB S5P_MSCTRL_ORDER422_CBYCRY
> -#define S5P_FIMC_IN_YCBYCR S5P_MSCTRL_ORDER422_YCBYCR
> -
> /* Cb/Cr chrominance components order for 2 plane Y/CbCr 4:2:2 formats. */
> #define S5P_FIMC_LSB_CRCB S5P_CIOCTRL_ORDER422_2P_LSB_CRCB
>
> diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h
> index 57e33f8..cd86c18 100644
> --- a/drivers/media/video/s5p-fimc/regs-fimc.h
> +++ b/drivers/media/video/s5p-fimc/regs-fimc.h
> @@ -98,8 +98,8 @@
> #define S5P_CIOCTRL 0x4c
> #define S5P_CIOCTRL_ORDER422_MASK (3 << 0)
> #define S5P_CIOCTRL_ORDER422_CRYCBY (0 << 0)
> -#define S5P_CIOCTRL_ORDER422_YCRYCB (1 << 0)
> -#define S5P_CIOCTRL_ORDER422_CBYCRY (2 << 0)
> +#define S5P_CIOCTRL_ORDER422_CBYCRY (1 << 0)
> +#define S5P_CIOCTRL_ORDER422_YCRYCB (2 << 0)
> #define S5P_CIOCTRL_ORDER422_YCBYCR (3 << 0)
> #define S5P_CIOCTRL_LASTIRQ_ENABLE (1 << 2)
> #define S5P_CIOCTRL_YCBCR_3PLANE (0 << 3)
> @@ -223,10 +223,10 @@
> #define S5P_MSCTRL_FLIP_Y_MIRROR (2 << 13)
> #define S5P_MSCTRL_FLIP_180 (3 << 13)
> #define S5P_MSCTRL_ORDER422_SHIFT 4
> -#define S5P_MSCTRL_ORDER422_CRYCBY (0 << 4)
> -#define S5P_MSCTRL_ORDER422_YCRYCB (1 << 4)
> -#define S5P_MSCTRL_ORDER422_CBYCRY (2 << 4)
> -#define S5P_MSCTRL_ORDER422_YCBYCR (3 << 4)
> +#define S5P_MSCTRL_ORDER422_YCBYCR (0 << 4)
> +#define S5P_MSCTRL_ORDER422_CBYCRY (1 << 4)
> +#define S5P_MSCTRL_ORDER422_YCRYCB (2 << 4)
> +#define S5P_MSCTRL_ORDER422_CRYCBY (3 << 4)
> #define S5P_MSCTRL_ORDER422_MASK (3 << 4)
> #define S5P_MSCTRL_INPUT_EXTCAM (0 << 3)
> #define S5P_MSCTRL_INPUT_MEMORY (1 << 3)
--
Sylwester Nawrocki
Samsung Poland R&D Center
prev parent reply other threads:[~2010-12-23 9:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-23 1:26 [PATCH v3.2] [media] s5p-fimc: fix the value of YUV422 1-plane formats Hyunwoong Kim
2010-12-23 9:10 ` Sylwester Nawrocki [this message]
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