platform/xilinx/xilinx-vip.c

48  * xvip_get_format_by_code - Retrieve format information for a media bus code
49  * @code: the format media bus code
51  * Return: a pointer to the format information structure corresponding to the
52  * given V4L2 media bus format @code, or ERR_PTR if no corresponding format can
60 		const struct xvip_video_format *format = &xvip_video_formats[i];
62 		if (format->code == code)
63 			return format;
71  * xvip_get_format_by_fourcc - Retrieve format information for a 4CC
72  * @fourcc: the format 4CC
74  * Return: a pointer to the format information structure corresponding to the
75  * given V4L2 format @fourcc. If not found, return a pointer to the first
76  * available format (V4L2_PIX_FMT_YUYV).
83 		const struct xvip_video_format *format = &xvip_video_formats[i];
85 		if (format->fourcc == fourcc)
86 			return format;
94  * xvip_of_get_format - Parse a device tree node and return format information
97  * Read the xlnx,video-format, xlnx,video-width and xlnx,cfa-pattern properties
99  * format information.
101  * Return: a pointer to the format information structure corresponding to the
102  * format name and width, or ERR_PTR if no corresponding format can be found.
112 	ret = of_property_read_u32(node, "xlnx,video-format", &vf_code);
124 		const struct xvip_video_format *format = &xvip_video_formats[i];
126 		if (format->vf_code != vf_code || format->width != width)
130 		    strcmp(pattern, format->pattern))
133 		return format;
141  * xvip_set_format_size - Set the media bus frame format size
142  * @format: V4L2 frame format on media bus
143  * @fmt: media bus format
145  * Set the media bus frame format size. The width / height from the subdevice
146  * format are set to the given media bus format. The new format size is stored
147  * in @format. The width and height are clamped using default min / max values.
149 void xvip_set_format_size(struct v4l2_mbus_framefmt *format,
152 	format->width = clamp_t(unsigned int, fmt->format.width,
154 	format->height = clamp_t(unsigned int, fmt->format.height,
235  * xvip_enum_mbus_code - Enumerate the media format code
241  * pad format code. This function only works for subdevices with fixed format
242  * on all pads. Subdevices with multiple format should have their own
245  * Return: 0 if the media bus code is found, or -EINVAL if the format index
252 	struct v4l2_mbus_framefmt *format;
263 	format = v4l2_subdev_state_get_format(sd_state, code->pad);
265 	code->code = format->code;
279  * pad, and that the format on the source pad is always identical to the
280  * format on the sink pad. Entities with different requirements need to
290 	struct v4l2_mbus_framefmt *format;
298 	format = v4l2_subdev_state_get_format(sd_state, fse->pad);
300 	if (fse->index || fse->code != format->code)
312 		fse->min_width = format->width;
313 		fse->max_width = format->width;
314 		fse->min_height = format->height;
315 		fse->max_height = format->height;