From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DDB13219 for ; Fri, 15 Apr 2022 15:28:50 +0000 (UTC) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 9FC68E0005; Fri, 15 Apr 2022 15:28:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1650036528; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v5zUPacrbUlwxrYJ+3QLMw/I1lu96ffwj/uhaq9Vx2U=; b=RXoXtYv843f6mb0BMSb+6Q+bQAh1BRxB2+Il8ZrAOsVZW7Y34SgX9naWRv96B6utSq8ZW3 uGy4ALzWNA70MXAl3+1KmaT9HIvQnfJ1Mo53v9qZXozf7bjoozc///OLNAlJSex780NDUz M231XfNxNK+FxtRjwte59/L0fS4C4R+1gMdbXeyLIZMpKAjayHmrUBFhUFelfyai6Y7Na5 ay4xgXYTeUu1irSD+96+CUlM5hzIaONuaFCKvz3hbtcyE7M1ufBOhArXPW3u+rTMl7a55g w2/hDgwP143IgEgYA47eCCqMYCY9BXqL1cvexzZUI0KXWbtktaM76HEUWrsuww== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni Subject: [PATCH v4 25/45] media: sun6i-csi: Rework capture format management with helper Date: Fri, 15 Apr 2022 17:27:51 +0200 Message-Id: <20220415152811.636419-26-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> References: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Remove the need for local copies of the v4l2 format and add a common helper to prepare a format compatible with the driver, using the relevant v4l2 helpers. Report a raw colorspace for bayer-encoded pixel formats instead of SRGB. Also cleanup the size bound defines while at it. Signed-off-by: Paul Kocialkowski --- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 122 +++++++++--------- .../sunxi/sun6i-csi/sun6i_csi_capture.h | 5 + 2 files changed, 66 insertions(+), 61 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index c1d3b352d988..2aa65a4ddb85 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -20,12 +20,6 @@ #include "sun6i_csi_capture.h" #include "sun6i_csi_reg.h" -/* This is got from BSP sources. */ -#define MIN_WIDTH (32) -#define MIN_HEIGHT (32) -#define MAX_WIDTH (4800) -#define MAX_HEIGHT (4800) - /* Helpers */ void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev, @@ -833,6 +827,55 @@ static const struct vb2_ops sun6i_csi_capture_queue_ops = { /* V4L2 Device */ +static void sun6i_csi_capture_format_prepare(struct v4l2_format *format) +{ + struct v4l2_pix_format *pix_format = &format->fmt.pix; + const struct v4l2_format_info *info; + unsigned int width, height; + + v4l_bound_align_image(&pix_format->width, SUN6I_CSI_CAPTURE_WIDTH_MIN, + SUN6I_CSI_CAPTURE_WIDTH_MAX, 1, + &pix_format->height, SUN6I_CSI_CAPTURE_HEIGHT_MIN, + SUN6I_CSI_CAPTURE_HEIGHT_MAX, 1, 0); + + if (!sun6i_csi_capture_format_check(pix_format->pixelformat)) + pix_format->pixelformat = sun6i_csi_capture_formats[0]; + + width = pix_format->width; + height = pix_format->height; + + info = v4l2_format_info(pix_format->pixelformat); + + switch (pix_format->pixelformat) { + case V4L2_PIX_FMT_NV12_16L16: + pix_format->bytesperline = width * 12 / 8; + pix_format->sizeimage = pix_format->bytesperline * height; + break; + case V4L2_PIX_FMT_JPEG: + pix_format->bytesperline = width; + pix_format->sizeimage = pix_format->bytesperline * height; + break; + default: + v4l2_fill_pixfmt(pix_format, pix_format->pixelformat, + width, height); + break; + } + + if (pix_format->field == V4L2_FIELD_ANY) + pix_format->field = V4L2_FIELD_NONE; + + if (pix_format->pixelformat == V4L2_PIX_FMT_JPEG) + pix_format->colorspace = V4L2_COLORSPACE_JPEG; + else if (info && info->pixel_enc == V4L2_PIXEL_ENC_BAYER) + pix_format->colorspace = V4L2_COLORSPACE_RAW; + else + pix_format->colorspace = V4L2_COLORSPACE_SRGB; + + pix_format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + pix_format->quantization = V4L2_QUANTIZATION_DEFAULT; + pix_format->xfer_func = V4L2_XFER_FUNC_DEFAULT; +} + static int sun6i_csi_capture_querycap(struct file *file, void *private, struct v4l2_capability *capability) { @@ -864,54 +907,8 @@ static int sun6i_csi_capture_g_fmt(struct file *file, void *private, struct v4l2_format *format) { struct sun6i_csi_device *csi_dev = video_drvdata(file); - struct sun6i_csi_capture *capture = &csi_dev->capture; - *format = capture->format; - - return 0; -} - -static int sun6i_csi_capture_format_try(struct sun6i_csi_capture *capture, - struct v4l2_format *format) -{ - struct v4l2_pix_format *pix_format = &format->fmt.pix; - int bpp; - - if (!sun6i_csi_capture_format_check(pix_format->pixelformat)) - pix_format->pixelformat = sun6i_csi_capture_formats[0]; - - v4l_bound_align_image(&pix_format->width, MIN_WIDTH, MAX_WIDTH, 1, - &pix_format->height, MIN_HEIGHT, MAX_WIDTH, 1, 1); - - bpp = sun6i_csi_get_bpp(pix_format->pixelformat); - pix_format->bytesperline = (pix_format->width * bpp) >> 3; - pix_format->sizeimage = pix_format->bytesperline * pix_format->height; - - if (pix_format->field == V4L2_FIELD_ANY) - pix_format->field = V4L2_FIELD_NONE; - - if (pix_format->pixelformat == V4L2_PIX_FMT_JPEG) - pix_format->colorspace = V4L2_COLORSPACE_JPEG; - else - pix_format->colorspace = V4L2_COLORSPACE_SRGB; - - pix_format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; - pix_format->quantization = V4L2_QUANTIZATION_DEFAULT; - pix_format->xfer_func = V4L2_XFER_FUNC_DEFAULT; - - return 0; -} - -static int sun6i_csi_capture_format_set(struct sun6i_csi_capture *capture, - struct v4l2_format *format) -{ - int ret; - - ret = sun6i_csi_capture_format_try(capture, format); - if (ret) - return ret; - - capture->format = *format; + *format = csi_dev->capture.format; return 0; } @@ -925,16 +922,19 @@ static int sun6i_csi_capture_s_fmt(struct file *file, void *private, if (vb2_is_busy(&capture->queue)) return -EBUSY; - return sun6i_csi_capture_format_set(capture, format); + sun6i_csi_capture_format_prepare(format); + + csi_dev->capture.format = *format; + + return 0; } static int sun6i_csi_capture_try_fmt(struct file *file, void *private, struct v4l2_format *format) { - struct sun6i_csi_device *csi_dev = video_drvdata(file); - struct sun6i_csi_capture *capture = &csi_dev->capture; + sun6i_csi_capture_format_prepare(format); - return sun6i_csi_capture_format_try(capture, format); + return 0; } static int sun6i_csi_capture_enum_input(struct file *file, void *private, @@ -1129,8 +1129,8 @@ int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev) struct video_device *video_dev = &capture->video_dev; struct vb2_queue *queue = &capture->queue; struct media_pad *pad = &capture->pad; - struct v4l2_format format = { 0 }; - struct v4l2_pix_format *pix_format = &format.fmt.pix; + struct v4l2_format *format = &csi_dev->capture.format; + struct v4l2_pix_format *pix_format = &format->fmt.pix; int ret; /* State */ @@ -1173,13 +1173,13 @@ int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev) /* V4L2 Format */ - format.type = queue->type; + format->type = queue->type; pix_format->pixelformat = sun6i_csi_capture_formats[0]; pix_format->width = 1280; pix_format->height = 720; pix_format->field = V4L2_FIELD_NONE; - sun6i_csi_capture_format_set(capture, &format); + sun6i_csi_capture_format_prepare(format); /* Video Device */ diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h index 935f35b7049a..02bdf45f7ca5 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h @@ -11,6 +11,11 @@ #include #include +#define SUN6I_CSI_CAPTURE_WIDTH_MIN 32 +#define SUN6I_CSI_CAPTURE_WIDTH_MAX 4800 +#define SUN6I_CSI_CAPTURE_HEIGHT_MIN 32 +#define SUN6I_CSI_CAPTURE_HEIGHT_MAX 4800 + struct sun6i_csi_device; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Remove the need for local copies of the v4l2 format and add a common helper to prepare a format compatible with the driver, using the relevant v4l2 helpers. Report a raw colorspace for bayer-encoded pixel formats instead of SRGB. Also cleanup the size bound defines while at it. Signed-off-by: Paul Kocialkowski --- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 122 +++++++++--------- .../sunxi/sun6i-csi/sun6i_csi_capture.h | 5 + 2 files changed, 66 insertions(+), 61 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index c1d3b352d988..2aa65a4ddb85 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -20,12 +20,6 @@ #include "sun6i_csi_capture.h" #include "sun6i_csi_reg.h" -/* This is got from BSP sources. */ -#define MIN_WIDTH (32) -#define MIN_HEIGHT (32) -#define MAX_WIDTH (4800) -#define MAX_HEIGHT (4800) - /* Helpers */ void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev, @@ -833,6 +827,55 @@ static const struct vb2_ops sun6i_csi_capture_queue_ops = { /* V4L2 Device */ +static void sun6i_csi_capture_format_prepare(struct v4l2_format *format) +{ + struct v4l2_pix_format *pix_format = &format->fmt.pix; + const struct v4l2_format_info *info; + unsigned int width, height; + + v4l_bound_align_image(&pix_format->width, SUN6I_CSI_CAPTURE_WIDTH_MIN, + SUN6I_CSI_CAPTURE_WIDTH_MAX, 1, + &pix_format->height, SUN6I_CSI_CAPTURE_HEIGHT_MIN, + SUN6I_CSI_CAPTURE_HEIGHT_MAX, 1, 0); + + if (!sun6i_csi_capture_format_check(pix_format->pixelformat)) + pix_format->pixelformat = sun6i_csi_capture_formats[0]; + + width = pix_format->width; + height = pix_format->height; + + info = v4l2_format_info(pix_format->pixelformat); + + switch (pix_format->pixelformat) { + case V4L2_PIX_FMT_NV12_16L16: + pix_format->bytesperline = width * 12 / 8; + pix_format->sizeimage = pix_format->bytesperline * height; + break; + case V4L2_PIX_FMT_JPEG: + pix_format->bytesperline = width; + pix_format->sizeimage = pix_format->bytesperline * height; + break; + default: + v4l2_fill_pixfmt(pix_format, pix_format->pixelformat, + width, height); + break; + } + + if (pix_format->field == V4L2_FIELD_ANY) + pix_format->field = V4L2_FIELD_NONE; + + if (pix_format->pixelformat == V4L2_PIX_FMT_JPEG) + pix_format->colorspace = V4L2_COLORSPACE_JPEG; + else if (info && info->pixel_enc == V4L2_PIXEL_ENC_BAYER) + pix_format->colorspace = V4L2_COLORSPACE_RAW; + else + pix_format->colorspace = V4L2_COLORSPACE_SRGB; + + pix_format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + pix_format->quantization = V4L2_QUANTIZATION_DEFAULT; + pix_format->xfer_func = V4L2_XFER_FUNC_DEFAULT; +} + static int sun6i_csi_capture_querycap(struct file *file, void *private, struct v4l2_capability *capability) { @@ -864,54 +907,8 @@ static int sun6i_csi_capture_g_fmt(struct file *file, void *private, struct v4l2_format *format) { struct sun6i_csi_device *csi_dev = video_drvdata(file); - struct sun6i_csi_capture *capture = &csi_dev->capture; - *format = capture->format; - - return 0; -} - -static int sun6i_csi_capture_format_try(struct sun6i_csi_capture *capture, - struct v4l2_format *format) -{ - struct v4l2_pix_format *pix_format = &format->fmt.pix; - int bpp; - - if (!sun6i_csi_capture_format_check(pix_format->pixelformat)) - pix_format->pixelformat = sun6i_csi_capture_formats[0]; - - v4l_bound_align_image(&pix_format->width, MIN_WIDTH, MAX_WIDTH, 1, - &pix_format->height, MIN_HEIGHT, MAX_WIDTH, 1, 1); - - bpp = sun6i_csi_get_bpp(pix_format->pixelformat); - pix_format->bytesperline = (pix_format->width * bpp) >> 3; - pix_format->sizeimage = pix_format->bytesperline * pix_format->height; - - if (pix_format->field == V4L2_FIELD_ANY) - pix_format->field = V4L2_FIELD_NONE; - - if (pix_format->pixelformat == V4L2_PIX_FMT_JPEG) - pix_format->colorspace = V4L2_COLORSPACE_JPEG; - else - pix_format->colorspace = V4L2_COLORSPACE_SRGB; - - pix_format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; - pix_format->quantization = V4L2_QUANTIZATION_DEFAULT; - pix_format->xfer_func = V4L2_XFER_FUNC_DEFAULT; - - return 0; -} - -static int sun6i_csi_capture_format_set(struct sun6i_csi_capture *capture, - struct v4l2_format *format) -{ - int ret; - - ret = sun6i_csi_capture_format_try(capture, format); - if (ret) - return ret; - - capture->format = *format; + *format = csi_dev->capture.format; return 0; } @@ -925,16 +922,19 @@ static int sun6i_csi_capture_s_fmt(struct file *file, void *private, if (vb2_is_busy(&capture->queue)) return -EBUSY; - return sun6i_csi_capture_format_set(capture, format); + sun6i_csi_capture_format_prepare(format); + + csi_dev->capture.format = *format; + + return 0; } static int sun6i_csi_capture_try_fmt(struct file *file, void *private, struct v4l2_format *format) { - struct sun6i_csi_device *csi_dev = video_drvdata(file); - struct sun6i_csi_capture *capture = &csi_dev->capture; + sun6i_csi_capture_format_prepare(format); - return sun6i_csi_capture_format_try(capture, format); + return 0; } static int sun6i_csi_capture_enum_input(struct file *file, void *private, @@ -1129,8 +1129,8 @@ int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev) struct video_device *video_dev = &capture->video_dev; struct vb2_queue *queue = &capture->queue; struct media_pad *pad = &capture->pad; - struct v4l2_format format = { 0 }; - struct v4l2_pix_format *pix_format = &format.fmt.pix; + struct v4l2_format *format = &csi_dev->capture.format; + struct v4l2_pix_format *pix_format = &format->fmt.pix; int ret; /* State */ @@ -1173,13 +1173,13 @@ int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev) /* V4L2 Format */ - format.type = queue->type; + format->type = queue->type; pix_format->pixelformat = sun6i_csi_capture_formats[0]; pix_format->width = 1280; pix_format->height = 720; pix_format->field = V4L2_FIELD_NONE; - sun6i_csi_capture_format_set(capture, &format); + sun6i_csi_capture_format_prepare(format); /* Video Device */ diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h index 935f35b7049a..02bdf45f7ca5 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h @@ -11,6 +11,11 @@ #include #include +#define SUN6I_CSI_CAPTURE_WIDTH_MIN 32 +#define SUN6I_CSI_CAPTURE_WIDTH_MAX 4800 +#define SUN6I_CSI_CAPTURE_HEIGHT_MIN 32 +#define SUN6I_CSI_CAPTURE_HEIGHT_MAX 4800 + struct sun6i_csi_device; #undef current -- 2.35.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel