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	Fixed MTP to work with TWRP
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								drivers/media/platform/vivid/vivid-vid-common.c
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
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								drivers/media/platform/vivid/vivid-vid-common.c
									
										
									
									
									
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							|  | @ -0,0 +1,571 @@ | |||
| /*
 | ||||
|  * vivid-vid-common.c - common video support functions. | ||||
|  * | ||||
|  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. | ||||
|  * | ||||
|  * This program is free software; you may redistribute it and/or modify | ||||
|  * it under the terms of the GNU General Public License as published by | ||||
|  * the Free Software Foundation; version 2 of the License. | ||||
|  * | ||||
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||||
|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||||
|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||||
|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||||
|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||||
|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||||
|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||||
|  * SOFTWARE. | ||||
|  */ | ||||
| 
 | ||||
| #include <linux/errno.h> | ||||
| #include <linux/kernel.h> | ||||
| #include <linux/sched.h> | ||||
| #include <linux/videodev2.h> | ||||
| #include <linux/v4l2-dv-timings.h> | ||||
| #include <media/v4l2-common.h> | ||||
| #include <media/v4l2-event.h> | ||||
| #include <media/v4l2-dv-timings.h> | ||||
| 
 | ||||
| #include "vivid-core.h" | ||||
| #include "vivid-vid-common.h" | ||||
| 
 | ||||
| const struct v4l2_dv_timings_cap vivid_dv_timings_cap = { | ||||
| 	.type = V4L2_DV_BT_656_1120, | ||||
| 	/* keep this initialization for compatibility with GCC < 4.4.6 */ | ||||
| 	.reserved = { 0 }, | ||||
| 	V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 25000000, 600000000, | ||||
| 		V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT, | ||||
| 		V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED) | ||||
| }; | ||||
| 
 | ||||
| /* ------------------------------------------------------------------
 | ||||
| 	Basic structures | ||||
|    ------------------------------------------------------------------*/ | ||||
| 
 | ||||
| struct vivid_fmt vivid_formats[] = { | ||||
| 	{ | ||||
| 		.name     = "4:2:2, packed, YUYV", | ||||
| 		.fourcc   = V4L2_PIX_FMT_YUYV, | ||||
| 		.depth    = 16, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 1, | ||||
| 		.data_offset = { PLANE0_DATA_OFFSET, 0 }, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "4:2:2, packed, UYVY", | ||||
| 		.fourcc   = V4L2_PIX_FMT_UYVY, | ||||
| 		.depth    = 16, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "4:2:2, packed, YVYU", | ||||
| 		.fourcc   = V4L2_PIX_FMT_YVYU, | ||||
| 		.depth    = 16, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "4:2:2, packed, VYUY", | ||||
| 		.fourcc   = V4L2_PIX_FMT_VYUY, | ||||
| 		.depth    = 16, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB565 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB565 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB555 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "XRGB555 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_XRGB555, /* gggbbbbb arrrrrgg */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "ARGB555 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 		.alpha_mask = 0x8000, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB555 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */ | ||||
| 		.depth    = 16, | ||||
| 		.planes   = 1, | ||||
| 		.can_do_overlay = true, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB24 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB24, /* rgb */ | ||||
| 		.depth    = 24, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB24 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_BGR24, /* bgr */ | ||||
| 		.depth    = 24, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB32 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_RGB32, /* argb */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "RGB32 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_BGR32, /* bgra */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "XRGB32 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_XRGB32, /* argb */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "XRGB32 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_XBGR32, /* bgra */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "ARGB32 (LE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_ARGB32, /* argb */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 		.alpha_mask = 0x000000ff, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "ARGB32 (BE)", | ||||
| 		.fourcc   = V4L2_PIX_FMT_ABGR32, /* bgra */ | ||||
| 		.depth    = 32, | ||||
| 		.planes   = 1, | ||||
| 		.alpha_mask = 0xff000000, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "4:2:2, planar, YUV", | ||||
| 		.fourcc   = V4L2_PIX_FMT_NV16M, | ||||
| 		.depth    = 8, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 2, | ||||
| 		.data_offset = { PLANE0_DATA_OFFSET, 0 }, | ||||
| 	}, | ||||
| 	{ | ||||
| 		.name     = "4:2:2, planar, YVU", | ||||
| 		.fourcc   = V4L2_PIX_FMT_NV61M, | ||||
| 		.depth    = 8, | ||||
| 		.is_yuv   = true, | ||||
| 		.planes   = 2, | ||||
| 		.data_offset = { 0, PLANE0_DATA_OFFSET }, | ||||
| 	}, | ||||
| }; | ||||
| 
 | ||||
| /* There are 2 multiplanar formats in the list */ | ||||
| #define VIVID_MPLANAR_FORMATS 2 | ||||
| 
 | ||||
| const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat) | ||||
| { | ||||
| 	const struct vivid_fmt *fmt; | ||||
| 	unsigned k; | ||||
| 
 | ||||
| 	for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) { | ||||
| 		fmt = &vivid_formats[k]; | ||||
| 		if (fmt->fourcc == pixelformat) | ||||
| 			if (fmt->planes == 1 || dev->multiplanar) | ||||
| 				return fmt; | ||||
| 	} | ||||
| 
 | ||||
| 	return NULL; | ||||
| } | ||||
| 
 | ||||
| bool vivid_vid_can_loop(struct vivid_dev *dev) | ||||
| { | ||||
| 	if (dev->src_rect.width != dev->sink_rect.width || | ||||
| 	    dev->src_rect.height != dev->sink_rect.height) | ||||
| 		return false; | ||||
| 	if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc) | ||||
| 		return false; | ||||
| 	if (dev->field_cap != dev->field_out) | ||||
| 		return false; | ||||
| 	if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) { | ||||
| 		if (!(dev->std_cap & V4L2_STD_525_60) != | ||||
| 		    !(dev->std_out & V4L2_STD_525_60)) | ||||
| 			return false; | ||||
| 		return true; | ||||
| 	} | ||||
| 	if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev)) | ||||
| 		return true; | ||||
| 	return false; | ||||
| } | ||||
| 
 | ||||
| void vivid_send_source_change(struct vivid_dev *dev, unsigned type) | ||||
| { | ||||
| 	struct v4l2_event ev = { | ||||
| 		.type = V4L2_EVENT_SOURCE_CHANGE, | ||||
| 		.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, | ||||
| 	}; | ||||
| 	unsigned i; | ||||
| 
 | ||||
| 	for (i = 0; i < dev->num_inputs; i++) { | ||||
| 		ev.id = i; | ||||
| 		if (dev->input_type[i] == type) { | ||||
| 			if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap) | ||||
| 				v4l2_event_queue(&dev->vid_cap_dev, &ev); | ||||
| 			if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap) | ||||
| 				v4l2_event_queue(&dev->vbi_cap_dev, &ev); | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| /*
 | ||||
|  * Conversion function that converts a single-planar format to a | ||||
|  * single-plane multiplanar format. | ||||
|  */ | ||||
| void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt) | ||||
| { | ||||
| 	struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp; | ||||
| 	struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; | ||||
| 	const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix; | ||||
| 	bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT; | ||||
| 
 | ||||
| 	memset(mp->reserved, 0, sizeof(mp->reserved)); | ||||
| 	mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : | ||||
| 			   V4L2_CAP_VIDEO_CAPTURE_MPLANE; | ||||
| 	mp->width = pix->width; | ||||
| 	mp->height = pix->height; | ||||
| 	mp->pixelformat = pix->pixelformat; | ||||
| 	mp->field = pix->field; | ||||
| 	mp->colorspace = pix->colorspace; | ||||
| 	mp->num_planes = 1; | ||||
| 	mp->flags = pix->flags; | ||||
| 	ppix->sizeimage = pix->sizeimage; | ||||
| 	ppix->bytesperline = pix->bytesperline; | ||||
| 	memset(ppix->reserved, 0, sizeof(ppix->reserved)); | ||||
| } | ||||
| 
 | ||||
| int fmt_sp2mp_func(struct file *file, void *priv, | ||||
| 		struct v4l2_format *f, fmtfunc func) | ||||
| { | ||||
| 	struct v4l2_format fmt; | ||||
| 	struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp; | ||||
| 	struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; | ||||
| 	struct v4l2_pix_format *pix = &f->fmt.pix; | ||||
| 	int ret; | ||||
| 
 | ||||
| 	/* Converts to a mplane format */ | ||||
| 	fmt_sp2mp(f, &fmt); | ||||
| 	/* Passes it to the generic mplane format function */ | ||||
| 	ret = func(file, priv, &fmt); | ||||
| 	/* Copies back the mplane data to the single plane format */ | ||||
| 	pix->width = mp->width; | ||||
| 	pix->height = mp->height; | ||||
| 	pix->pixelformat = mp->pixelformat; | ||||
| 	pix->field = mp->field; | ||||
| 	pix->colorspace = mp->colorspace; | ||||
| 	pix->sizeimage = ppix->sizeimage; | ||||
| 	pix->bytesperline = ppix->bytesperline; | ||||
| 	pix->flags = mp->flags; | ||||
| 	return ret; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: copy the width/height values */ | ||||
| void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size) | ||||
| { | ||||
| 	r->width = size->width; | ||||
| 	r->height = size->height; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: width and height of r should be >= min_size */ | ||||
| void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size) | ||||
| { | ||||
| 	if (r->width < min_size->width) | ||||
| 		r->width = min_size->width; | ||||
| 	if (r->height < min_size->height) | ||||
| 		r->height = min_size->height; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: width and height of r should be <= max_size */ | ||||
| void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size) | ||||
| { | ||||
| 	if (r->width > max_size->width) | ||||
| 		r->width = max_size->width; | ||||
| 	if (r->height > max_size->height) | ||||
| 		r->height = max_size->height; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: r should be inside boundary */ | ||||
| void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary) | ||||
| { | ||||
| 	rect_set_max_size(r, boundary); | ||||
| 	if (r->left < boundary->left) | ||||
| 		r->left = boundary->left; | ||||
| 	if (r->top < boundary->top) | ||||
| 		r->top = boundary->top; | ||||
| 	if (r->left + r->width > boundary->width) | ||||
| 		r->left = boundary->width - r->width; | ||||
| 	if (r->top + r->height > boundary->height) | ||||
| 		r->top = boundary->height - r->height; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: return true if r1 has the same size as r2 */ | ||||
| bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2) | ||||
| { | ||||
| 	return r1->width == r2->width && r1->height == r2->height; | ||||
| } | ||||
| 
 | ||||
| /* v4l2_rect helper function: calculate the intersection of two rects */ | ||||
| struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b) | ||||
| { | ||||
| 	struct v4l2_rect r; | ||||
| 	int right, bottom; | ||||
| 
 | ||||
| 	r.top = max(a->top, b->top); | ||||
| 	r.left = max(a->left, b->left); | ||||
| 	bottom = min(a->top + a->height, b->top + b->height); | ||||
| 	right = min(a->left + a->width, b->left + b->width); | ||||
| 	r.height = max(0, bottom - r.top); | ||||
| 	r.width = max(0, right - r.left); | ||||
| 	return r; | ||||
| } | ||||
| 
 | ||||
| /*
 | ||||
|  * v4l2_rect helper function: scale rect r by to->width / from->width and | ||||
|  * to->height / from->height. | ||||
|  */ | ||||
| void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from, | ||||
| 				     const struct v4l2_rect *to) | ||||
| { | ||||
| 	if (from->width == 0 || from->height == 0) { | ||||
| 		r->left = r->top = r->width = r->height = 0; | ||||
| 		return; | ||||
| 	} | ||||
| 	r->left = (((r->left - from->left) * to->width) / from->width) & ~1; | ||||
| 	r->width = ((r->width * to->width) / from->width) & ~1; | ||||
| 	r->top = ((r->top - from->top) * to->height) / from->height; | ||||
| 	r->height = (r->height * to->height) / from->height; | ||||
| } | ||||
| 
 | ||||
| bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2) | ||||
| { | ||||
| 	/*
 | ||||
| 	 * IF the left side of r1 is to the right of the right side of r2 OR | ||||
| 	 *    the left side of r2 is to the right of the right side of r1 THEN | ||||
| 	 * they do not overlap. | ||||
| 	 */ | ||||
| 	if (r1->left >= r2->left + r2->width || | ||||
| 	    r2->left >= r1->left + r1->width) | ||||
| 		return false; | ||||
| 	/*
 | ||||
| 	 * IF the top side of r1 is below the bottom of r2 OR | ||||
| 	 *    the top side of r2 is below the bottom of r1 THEN | ||||
| 	 * they do not overlap. | ||||
| 	 */ | ||||
| 	if (r1->top >= r2->top + r2->height || | ||||
| 	    r2->top >= r1->top + r1->height) | ||||
| 		return false; | ||||
| 	return true; | ||||
| } | ||||
| int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r) | ||||
| { | ||||
| 	unsigned w = r->width; | ||||
| 	unsigned h = r->height; | ||||
| 
 | ||||
| 	if (!(flags & V4L2_SEL_FLAG_LE)) { | ||||
| 		w++; | ||||
| 		h++; | ||||
| 		if (w < 2) | ||||
| 			w = 2; | ||||
| 		if (h < 2) | ||||
| 			h = 2; | ||||
| 	} | ||||
| 	if (!(flags & V4L2_SEL_FLAG_GE)) { | ||||
| 		if (w > MAX_WIDTH) | ||||
| 			w = MAX_WIDTH; | ||||
| 		if (h > MAX_HEIGHT) | ||||
| 			h = MAX_HEIGHT; | ||||
| 	} | ||||
| 	w = w & ~1; | ||||
| 	h = h & ~1; | ||||
| 	if (w < 2 || h < 2) | ||||
| 		return -ERANGE; | ||||
| 	if (w > MAX_WIDTH || h > MAX_HEIGHT) | ||||
| 		return -ERANGE; | ||||
| 	if (r->top < 0) | ||||
| 		r->top = 0; | ||||
| 	if (r->left < 0) | ||||
| 		r->left = 0; | ||||
| 	r->left &= ~1; | ||||
| 	r->top &= ~1; | ||||
| 	if (r->left + w > MAX_WIDTH) | ||||
| 		r->left = MAX_WIDTH - w; | ||||
| 	if (r->top + h > MAX_HEIGHT) | ||||
| 		r->top = MAX_HEIGHT - h; | ||||
| 	if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) == | ||||
| 			(V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) && | ||||
| 	    (r->width != w || r->height != h)) | ||||
| 		return -ERANGE; | ||||
| 	r->width = w; | ||||
| 	r->height = h; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int vivid_enum_fmt_vid(struct file *file, void  *priv, | ||||
| 					struct v4l2_fmtdesc *f) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	const struct vivid_fmt *fmt; | ||||
| 
 | ||||
| 	if (f->index >= ARRAY_SIZE(vivid_formats) - | ||||
| 	    (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS)) | ||||
| 		return -EINVAL; | ||||
| 
 | ||||
| 	fmt = &vivid_formats[f->index]; | ||||
| 
 | ||||
| 	strlcpy(f->description, fmt->name, sizeof(f->description)); | ||||
| 	f->pixelformat = fmt->fourcc; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int vidioc_enum_fmt_vid_mplane(struct file *file, void  *priv, | ||||
| 					struct v4l2_fmtdesc *f) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 
 | ||||
| 	if (!dev->multiplanar) | ||||
| 		return -ENOTTY; | ||||
| 	return vivid_enum_fmt_vid(file, priv, f); | ||||
| } | ||||
| 
 | ||||
| int vidioc_enum_fmt_vid(struct file *file, void  *priv, | ||||
| 					struct v4l2_fmtdesc *f) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 
 | ||||
| 	if (dev->multiplanar) | ||||
| 		return -ENOTTY; | ||||
| 	return vivid_enum_fmt_vid(file, priv, f); | ||||
| } | ||||
| 
 | ||||
| int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	struct video_device *vdev = video_devdata(file); | ||||
| 
 | ||||
| 	if (vdev->vfl_dir == VFL_DIR_RX) { | ||||
| 		if (!vivid_is_sdtv_cap(dev)) | ||||
| 			return -ENODATA; | ||||
| 		*id = dev->std_cap; | ||||
| 	} else { | ||||
| 		if (!vivid_is_svid_out(dev)) | ||||
| 			return -ENODATA; | ||||
| 		*id = dev->std_out; | ||||
| 	} | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int vidioc_g_dv_timings(struct file *file, void *_fh, | ||||
| 				    struct v4l2_dv_timings *timings) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	struct video_device *vdev = video_devdata(file); | ||||
| 
 | ||||
| 	if (vdev->vfl_dir == VFL_DIR_RX) { | ||||
| 		if (!vivid_is_hdmi_cap(dev)) | ||||
| 			return -ENODATA; | ||||
| 		*timings = dev->dv_timings_cap; | ||||
| 	} else { | ||||
| 		if (!vivid_is_hdmi_out(dev)) | ||||
| 			return -ENODATA; | ||||
| 		*timings = dev->dv_timings_out; | ||||
| 	} | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int vidioc_enum_dv_timings(struct file *file, void *_fh, | ||||
| 				    struct v4l2_enum_dv_timings *timings) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	struct video_device *vdev = video_devdata(file); | ||||
| 
 | ||||
| 	if (vdev->vfl_dir == VFL_DIR_RX) { | ||||
| 		if (!vivid_is_hdmi_cap(dev)) | ||||
| 			return -ENODATA; | ||||
| 	} else { | ||||
| 		if (!vivid_is_hdmi_out(dev)) | ||||
| 			return -ENODATA; | ||||
| 	} | ||||
| 	return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap, | ||||
| 			NULL, NULL); | ||||
| } | ||||
| 
 | ||||
| int vidioc_dv_timings_cap(struct file *file, void *_fh, | ||||
| 				    struct v4l2_dv_timings_cap *cap) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	struct video_device *vdev = video_devdata(file); | ||||
| 
 | ||||
| 	if (vdev->vfl_dir == VFL_DIR_RX) { | ||||
| 		if (!vivid_is_hdmi_cap(dev)) | ||||
| 			return -ENODATA; | ||||
| 	} else { | ||||
| 		if (!vivid_is_hdmi_out(dev)) | ||||
| 			return -ENODATA; | ||||
| 	} | ||||
| 	*cap = vivid_dv_timings_cap; | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| int vidioc_g_edid(struct file *file, void *_fh, | ||||
| 			 struct v4l2_edid *edid) | ||||
| { | ||||
| 	struct vivid_dev *dev = video_drvdata(file); | ||||
| 	struct video_device *vdev = video_devdata(file); | ||||
| 
 | ||||
| 	memset(edid->reserved, 0, sizeof(edid->reserved)); | ||||
| 	if (vdev->vfl_dir == VFL_DIR_RX) { | ||||
| 		if (edid->pad >= dev->num_inputs) | ||||
| 			return -EINVAL; | ||||
| 		if (dev->input_type[edid->pad] != HDMI) | ||||
| 			return -EINVAL; | ||||
| 	} else { | ||||
| 		if (edid->pad >= dev->num_outputs) | ||||
| 			return -EINVAL; | ||||
| 		if (dev->output_type[edid->pad] != HDMI) | ||||
| 			return -EINVAL; | ||||
| 	} | ||||
| 	if (edid->start_block == 0 && edid->blocks == 0) { | ||||
| 		edid->blocks = dev->edid_blocks; | ||||
| 		return 0; | ||||
| 	} | ||||
| 	if (dev->edid_blocks == 0) | ||||
| 		return -ENODATA; | ||||
| 	if (edid->start_block >= dev->edid_blocks) | ||||
| 		return -EINVAL; | ||||
| 	if (edid->start_block + edid->blocks > dev->edid_blocks) | ||||
| 		edid->blocks = dev->edid_blocks - edid->start_block; | ||||
| 	memcpy(edid->edid, dev->edid, edid->blocks * 128); | ||||
| 	return 0; | ||||
| } | ||||
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