drivers/media/platform/vivid/vivid-core.h - vendor/opensource/backports - Git at Google

 /*
  * vivid-core.h - core datastructures
  *
  * 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.
  */

 #ifndef _VIVID_CORE_H_
 #define _VIVID_CORE_H_

 #include <linux/fb.h>
 #include <media/videobuf2-core.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-ctrls.h>
 #include "vivid-tpg.h"
 #include "vivid-rds-gen.h"
 #include "vivid-vbi-gen.h"

 #define dprintk(dev, level, fmt, arg...) \
 	v4l2_dbg(level, vivid_debug, &dev->v4l2_dev, fmt, ## arg)

 /* Maximum allowed frame rate
  *
  * vivid will allow setting timeperframe in [1/FPS_MAX - FPS_MAX/1] range.
  *
  * Ideally FPS_MAX should be infinity, i.e. practically UINT_MAX, but that
  * might hit application errors when they manipulate these values.
  *
  * Besides, for tpf < 10ms image-generation logic should be changed, to avoid
  * producing frames with equal content.
  */
 #define FPS_MAX 100

 /* The maximum number of clip rectangles */
 #define MAX_CLIPS  16
 /* The maximum number of inputs */
 #define MAX_INPUTS 16
 /* The maximum number of outputs */
 #define MAX_OUTPUTS 16
 /* The maximum up or down scaling factor is 4 */
 #define MAX_ZOOM  4
 /* The maximum image width/height are set to 4K DMT */
 #define MAX_WIDTH  4096
 #define MAX_HEIGHT 2160
 /* The minimum image width/height */
 #define MIN_WIDTH  16
 #define MIN_HEIGHT 16
 /* The data_offset of plane 0 for the multiplanar formats */
 #define PLANE0_DATA_OFFSET 128

 /* The supported TV frequency range in MHz */
 #define MIN_TV_FREQ (44U * 16U)
 #define MAX_TV_FREQ (958U * 16U)

 /* The number of samples returned in every SDR buffer */
 #define SDR_CAP_SAMPLES_PER_BUF 0x4000

 /* used by the threads to know when to resync internal counters */
 #define JIFFIES_PER_DAY (3600U * 24U * HZ)
 #define JIFFIES_RESYNC (JIFFIES_PER_DAY * (0xf0000000U / JIFFIES_PER_DAY))

 extern const struct v4l2_rect vivid_min_rect;
 extern const struct v4l2_rect vivid_max_rect;
 extern unsigned vivid_debug;

 struct vivid_fmt {
 	const char *name;
 	u32	fourcc;          /* v4l2 format id */
 	u8	depth;
 	bool	is_yuv;
 	bool	can_do_overlay;
 	u32	alpha_mask;
 	u8	planes;
 	u32	data_offset[2];
 };

 extern struct vivid_fmt vivid_formats[];

 /* buffer for one video frame */
 struct vivid_buffer {
 	/* common v4l buffer stuff -- must be first */
 	struct vb2_buffer	vb;
 	struct list_head	list;
 };

 enum vivid_input {
 	WEBCAM,
 	TV,
 	SVID,
 	HDMI,
 };

 enum vivid_signal_mode {
 	CURRENT_DV_TIMINGS,
 	CURRENT_STD = CURRENT_DV_TIMINGS,
 	NO_SIGNAL,
 	NO_LOCK,
 	OUT_OF_RANGE,
 	SELECTED_DV_TIMINGS,
 	SELECTED_STD = SELECTED_DV_TIMINGS,
 	CYCLE_DV_TIMINGS,
 	CYCLE_STD = CYCLE_DV_TIMINGS,
 	CUSTOM_DV_TIMINGS,
 };

 #define VIVID_INVALID_SIGNAL(mode) \
 	((mode) == NO_SIGNAL || (mode) == NO_LOCK || (mode) == OUT_OF_RANGE)

 struct vivid_dev {
 	unsigned			inst;
 	struct v4l2_device		v4l2_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_user_gen;
 	struct v4l2_ctrl_handler	ctrl_hdl_user_vid;
 	struct v4l2_ctrl_handler	ctrl_hdl_user_aud;
 	struct v4l2_ctrl_handler	ctrl_hdl_streaming;
 	struct v4l2_ctrl_handler	ctrl_hdl_sdtv_cap;
 	struct v4l2_ctrl_handler	ctrl_hdl_loop_out;
 	struct video_device		vid_cap_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_vid_cap;
 	struct video_device		vid_out_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_vid_out;
 	struct video_device		vbi_cap_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_vbi_cap;
 	struct video_device		vbi_out_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_vbi_out;
 	struct video_device		radio_rx_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_radio_rx;
 	struct video_device		radio_tx_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_radio_tx;
 	struct video_device		sdr_cap_dev;
 	struct v4l2_ctrl_handler	ctrl_hdl_sdr_cap;
 	spinlock_t			slock;
 	struct mutex			mutex;

 	/* capabilities */
 	u32				vid_cap_caps;
 	u32				vid_out_caps;
 	u32				vbi_cap_caps;
 	u32				vbi_out_caps;
 	u32				sdr_cap_caps;
 	u32				radio_rx_caps;
 	u32				radio_tx_caps;

 	/* supported features */
 	bool				multiplanar;
 	unsigned			num_inputs;
 	u8				input_type[MAX_INPUTS];
 	u8				input_name_counter[MAX_INPUTS];
 	unsigned			num_outputs;
 	u8				output_type[MAX_OUTPUTS];
 	u8				output_name_counter[MAX_OUTPUTS];
 	bool				has_audio_inputs;
 	bool				has_audio_outputs;
 	bool				has_vid_cap;
 	bool				has_vid_out;
 	bool				has_vbi_cap;
 	bool				has_raw_vbi_cap;
 	bool				has_sliced_vbi_cap;
 	bool				has_vbi_out;
 	bool				has_raw_vbi_out;
 	bool				has_sliced_vbi_out;
 	bool				has_radio_rx;
 	bool				has_radio_tx;
 	bool				has_sdr_cap;
 	bool				has_fb;

 	bool				can_loop_video;

 	/* controls */
 	struct v4l2_ctrl		*brightness;
 	struct v4l2_ctrl		*contrast;
 	struct v4l2_ctrl		*saturation;
 	struct v4l2_ctrl		*hue;
 	struct {
 		/* autogain/gain cluster */
 		struct v4l2_ctrl	*autogain;
 		struct v4l2_ctrl	*gain;
 	};
 	struct v4l2_ctrl		*volume;
 	struct v4l2_ctrl		*mute;
 	struct v4l2_ctrl		*alpha;
 	struct v4l2_ctrl		*button;
 	struct v4l2_ctrl		*boolean;
 	struct v4l2_ctrl		*int32;
 	struct v4l2_ctrl		*int64;
 	struct v4l2_ctrl		*menu;
 	struct v4l2_ctrl		*string;
 	struct v4l2_ctrl		*bitmask;
 	struct v4l2_ctrl		*int_menu;
 	struct v4l2_ctrl		*test_pattern;
 	struct v4l2_ctrl		*colorspace;
 	struct v4l2_ctrl		*rgb_range_cap;
 	struct v4l2_ctrl		*real_rgb_range_cap;
 	struct {
 		/* std_signal_mode/standard cluster */
 		struct v4l2_ctrl	*ctrl_std_signal_mode;
 		struct v4l2_ctrl	*ctrl_standard;
 	};
 	struct {
 		/* dv_timings_signal_mode/timings cluster */
 		struct v4l2_ctrl	*ctrl_dv_timings_signal_mode;
 		struct v4l2_ctrl	*ctrl_dv_timings;
 	};
 	struct v4l2_ctrl		*ctrl_has_crop_cap;
 	struct v4l2_ctrl		*ctrl_has_compose_cap;
 	struct v4l2_ctrl		*ctrl_has_scaler_cap;
 	struct v4l2_ctrl		*ctrl_has_crop_out;
 	struct v4l2_ctrl		*ctrl_has_compose_out;
 	struct v4l2_ctrl		*ctrl_has_scaler_out;
 	struct v4l2_ctrl		*ctrl_tx_mode;
 	struct v4l2_ctrl		*ctrl_tx_rgb_range;

 	struct v4l2_ctrl		*radio_tx_rds_pi;
 	struct v4l2_ctrl		*radio_tx_rds_pty;
 	struct v4l2_ctrl		*radio_tx_rds_mono_stereo;
 	struct v4l2_ctrl		*radio_tx_rds_art_head;
 	struct v4l2_ctrl		*radio_tx_rds_compressed;
 	struct v4l2_ctrl		*radio_tx_rds_dyn_pty;
 	struct v4l2_ctrl		*radio_tx_rds_ta;
 	struct v4l2_ctrl		*radio_tx_rds_tp;
 	struct v4l2_ctrl		*radio_tx_rds_ms;
 	struct v4l2_ctrl		*radio_tx_rds_psname;
 	struct v4l2_ctrl		*radio_tx_rds_radiotext;

 	struct v4l2_ctrl		*radio_rx_rds_pty;
 	struct v4l2_ctrl		*radio_rx_rds_ta;
 	struct v4l2_ctrl		*radio_rx_rds_tp;
 	struct v4l2_ctrl		*radio_rx_rds_ms;
 	struct v4l2_ctrl		*radio_rx_rds_psname;
 	struct v4l2_ctrl		*radio_rx_rds_radiotext;

 	unsigned			input_brightness[MAX_INPUTS];
 	unsigned			osd_mode;
 	unsigned			button_pressed;
 	bool				sensor_hflip;
 	bool				sensor_vflip;
 	bool				hflip;
 	bool				vflip;
 	bool				vbi_cap_interlaced;
 	bool				loop_video;

 	/* Framebuffer */
 	unsigned long			video_pbase;
 	void				*video_vbase;
 	u32				video_buffer_size;
 	int				display_width;
 	int				display_height;
 	int				display_byte_stride;
 	int				bits_per_pixel;
 	int				bytes_per_pixel;
 	struct fb_info			fb_info;
 	struct fb_var_screeninfo	fb_defined;
 	struct fb_fix_screeninfo	fb_fix;

 	/* Error injection */
 	bool				queue_setup_error;
 	bool				buf_prepare_error;
 	bool				start_streaming_error;
 	bool				dqbuf_error;
 	bool				seq_wrap;
 	bool				time_wrap;
 	__kernel_time_t			time_wrap_offset;
 	unsigned			perc_dropped_buffers;
 	enum vivid_signal_mode		std_signal_mode;
 	unsigned			query_std_last;
 	v4l2_std_id			query_std;
 	enum tpg_video_aspect		std_aspect_ratio;

 	enum vivid_signal_mode		dv_timings_signal_mode;
 	char				**query_dv_timings_qmenu;
 	unsigned			query_dv_timings_size;
 	unsigned			query_dv_timings_last;
 	unsigned			query_dv_timings;
 	enum tpg_video_aspect		dv_timings_aspect_ratio;

 	/* Input */
 	unsigned			input;
 	v4l2_std_id			std_cap;
 	struct v4l2_dv_timings		dv_timings_cap;
 	u32				service_set_cap;
 	struct vivid_vbi_gen_data	vbi_gen;
 	u8				*edid;
 	unsigned			edid_blocks;
 	unsigned			edid_max_blocks;
 	unsigned			webcam_size_idx;
 	unsigned			webcam_ival_idx;
 	unsigned			tv_freq;
 	unsigned			tv_audmode;
 	unsigned			tv_field_cap;
 	unsigned			tv_audio_input;

 	/* Capture Overlay */
 	struct v4l2_framebuffer		fb_cap;
 	struct v4l2_fh			*overlay_cap_owner;
 	void				*fb_vbase_cap;
 	int				overlay_cap_top, overlay_cap_left;
 	enum v4l2_field			overlay_cap_field;
 	void				*bitmap_cap;
 	struct v4l2_clip		clips_cap[MAX_CLIPS];
 	struct v4l2_clip		try_clips_cap[MAX_CLIPS];
 	unsigned			clipcount_cap;

 	/* Output */
 	unsigned			output;
 	v4l2_std_id			std_out;
 	struct v4l2_dv_timings		dv_timings_out;
 	u32				colorspace_out;
 	u32				service_set_out;
 	u32				bytesperline_out[2];
 	unsigned			tv_field_out;
 	unsigned			tv_audio_output;
 	bool				vbi_out_have_wss;
 	u8				vbi_out_wss[2];
 	bool				vbi_out_have_cc[2];
 	u8				vbi_out_cc[2][2];
 	bool				dvi_d_out;
 	u8				*scaled_line;
 	u8				*blended_line;
 	unsigned			cur_scaled_line;

 	/* Output Overlay */
 	void				*fb_vbase_out;
 	bool				overlay_out_enabled;
 	int				overlay_out_top, overlay_out_left;
 	void				*bitmap_out;
 	struct v4l2_clip		clips_out[MAX_CLIPS];
 	struct v4l2_clip		try_clips_out[MAX_CLIPS];
 	unsigned			clipcount_out;
 	unsigned			fbuf_out_flags;
 	u32				chromakey_out;
 	u8				global_alpha_out;

 	/* video capture */
 	struct tpg_data			tpg;
 	unsigned			ms_vid_cap;
 	bool				must_blank[VIDEO_MAX_FRAME];

 	const struct vivid_fmt		*fmt_cap;
 	struct v4l2_fract		timeperframe_vid_cap;
 	enum v4l2_field			field_cap;
 	struct v4l2_rect		src_rect;
 	struct v4l2_rect		fmt_cap_rect;
 	struct v4l2_rect		crop_cap;
 	struct v4l2_rect		compose_cap;
 	struct v4l2_rect		crop_bounds_cap;
 	struct vb2_queue		vb_vid_cap_q;
 	struct list_head		vid_cap_active;
 	struct vb2_queue		vb_vbi_cap_q;
 	struct list_head		vbi_cap_active;

 	/* thread for generating video capture stream */
 	struct task_struct		*kthread_vid_cap;
 	unsigned long			jiffies_vid_cap;
 	u32				cap_seq_offset;
 	u32				cap_seq_count;
 	bool				cap_seq_resync;
 	u32				vid_cap_seq_start;
 	u32				vid_cap_seq_count;
 	bool				vid_cap_streaming;
 	u32				vbi_cap_seq_start;
 	u32				vbi_cap_seq_count;
 	bool				vbi_cap_streaming;
 	bool				stream_sliced_vbi_cap;

 	/* video output */
 	const struct vivid_fmt		*fmt_out;
 	struct v4l2_fract		timeperframe_vid_out;
 	enum v4l2_field			field_out;
 	struct v4l2_rect		sink_rect;
 	struct v4l2_rect		fmt_out_rect;
 	struct v4l2_rect		crop_out;
 	struct v4l2_rect		compose_out;
 	struct v4l2_rect		compose_bounds_out;
 	struct vb2_queue		vb_vid_out_q;
 	struct list_head		vid_out_active;
 	struct vb2_queue		vb_vbi_out_q;
 	struct list_head		vbi_out_active;

 	/* video loop precalculated rectangles */

 	/*
 	 * Intersection between what the output side composes and the capture side
 	 * crops. I.e., what actually needs to be copied from the output buffer to
 	 * the capture buffer.
 	 */
 	struct v4l2_rect		loop_vid_copy;
 	/* The part of the output buffer that (after scaling) corresponds to loop_vid_copy. */
 	struct v4l2_rect		loop_vid_out;
 	/* The part of the capture buffer that (after scaling) corresponds to loop_vid_copy. */
 	struct v4l2_rect		loop_vid_cap;
 	/*
 	 * The intersection of the framebuffer, the overlay output window and
 	 * loop_vid_copy. I.e., the part of the framebuffer that actually should be
 	 * blended with the compose_out rectangle. This uses the framebuffer origin.
 	 */
 	struct v4l2_rect		loop_fb_copy;
 	/* The same as loop_fb_copy but with compose_out origin. */
 	struct v4l2_rect		loop_vid_overlay;
 	/*
 	 * The part of the capture buffer that (after scaling) corresponds
 	 * to loop_vid_overlay.
 	 */
 	struct v4l2_rect		loop_vid_overlay_cap;

 	/* thread for generating video output stream */
 	struct task_struct		*kthread_vid_out;
 	unsigned long			jiffies_vid_out;
 	u32				out_seq_offset;
 	u32				out_seq_count;
 	bool				out_seq_resync;
 	u32				vid_out_seq_start;
 	u32				vid_out_seq_count;
 	bool				vid_out_streaming;
 	u32				vbi_out_seq_start;
 	u32				vbi_out_seq_count;
 	bool				vbi_out_streaming;
 	bool				stream_sliced_vbi_out;

 	/* SDR capture */
 	struct vb2_queue		vb_sdr_cap_q;
 	struct list_head		sdr_cap_active;
 	unsigned			sdr_adc_freq;
 	unsigned			sdr_fm_freq;
 	int				sdr_fixp_src_phase;
 	int				sdr_fixp_mod_phase;

 	bool				tstamp_src_is_soe;
 	bool				has_crop_cap;
 	bool				has_compose_cap;
 	bool				has_scaler_cap;
 	bool				has_crop_out;
 	bool				has_compose_out;
 	bool				has_scaler_out;

 	/* thread for generating SDR stream */
 	struct task_struct		*kthread_sdr_cap;
 	unsigned long			jiffies_sdr_cap;
 	u32				sdr_cap_seq_offset;
 	u32				sdr_cap_seq_count;
 	bool				sdr_cap_seq_resync;

 	/* RDS generator */
 	struct vivid_rds_gen		rds_gen;

 	/* Radio receiver */
 	unsigned			radio_rx_freq;
 	unsigned			radio_rx_audmode;
 	int				radio_rx_sig_qual;
 	unsigned			radio_rx_hw_seek_mode;
 	bool				radio_rx_hw_seek_prog_lim;
 	bool				radio_rx_rds_controls;
 	bool				radio_rx_rds_enabled;
 	unsigned			radio_rx_rds_use_alternates;
 	unsigned			radio_rx_rds_last_block;
 	struct v4l2_fh			*radio_rx_rds_owner;

 	/* Radio transmitter */
 	unsigned			radio_tx_freq;
 	unsigned			radio_tx_subchans;
 	bool				radio_tx_rds_controls;
 	unsigned			radio_tx_rds_last_block;
 	struct v4l2_fh			*radio_tx_rds_owner;

 	/* Shared between radio receiver and transmitter */
 	bool				radio_rds_loop;
 	struct timespec			radio_rds_init_ts;
 };

 static inline bool vivid_is_webcam(const struct vivid_dev *dev)
 {
 	return dev->input_type[dev->input] == WEBCAM;
 }

 static inline bool vivid_is_tv_cap(const struct vivid_dev *dev)
 {
 	return dev->input_type[dev->input] == TV;
 }

 static inline bool vivid_is_svid_cap(const struct vivid_dev *dev)
 {
 	return dev->input_type[dev->input] == SVID;
 }

 static inline bool vivid_is_hdmi_cap(const struct vivid_dev *dev)
 {
 	return dev->input_type[dev->input] == HDMI;
 }

 static inline bool vivid_is_sdtv_cap(const struct vivid_dev *dev)
 {
 	return vivid_is_tv_cap(dev) || vivid_is_svid_cap(dev);
 }

 static inline bool vivid_is_svid_out(const struct vivid_dev *dev)
 {
 	return dev->output_type[dev->output] == SVID;
 }

 static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
 {
 	return dev->output_type[dev->output] == HDMI;
 }

 void vivid_lock(struct vb2_queue *vq);
 void vivid_unlock(struct vb2_queue *vq);

 #endif
	/*
	* vivid-core.h - core datastructures
	*
	* 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.
	*/

	#ifndef _VIVID_CORE_H_
	#define _VIVID_CORE_H_

	#include <linux/fb.h>
	#include <media/videobuf2-core.h>
	#include <media/v4l2-device.h>
	#include <media/v4l2-dev.h>
	#include <media/v4l2-ctrls.h>
	#include "vivid-tpg.h"
	#include "vivid-rds-gen.h"
	#include "vivid-vbi-gen.h"

	#define dprintk(dev, level, fmt, arg...) \
	v4l2_dbg(level, vivid_debug, &dev->v4l2_dev, fmt, ## arg)

	/* Maximum allowed frame rate
	*
	* vivid will allow setting timeperframe in [1/FPS_MAX - FPS_MAX/1] range.
	*
	* Ideally FPS_MAX should be infinity, i.e. practically UINT_MAX, but that
	* might hit application errors when they manipulate these values.
	*
	* Besides, for tpf < 10ms image-generation logic should be changed, to avoid
	* producing frames with equal content.
	*/
	#define FPS_MAX 100

	/* The maximum number of clip rectangles */
	#define MAX_CLIPS 16
	/* The maximum number of inputs */
	#define MAX_INPUTS 16
	/* The maximum number of outputs */
	#define MAX_OUTPUTS 16
	/* The maximum up or down scaling factor is 4 */
	#define MAX_ZOOM 4
	/* The maximum image width/height are set to 4K DMT */
	#define MAX_WIDTH 4096
	#define MAX_HEIGHT 2160
	/* The minimum image width/height */
	#define MIN_WIDTH 16
	#define MIN_HEIGHT 16
	/* The data_offset of plane 0 for the multiplanar formats */
	#define PLANE0_DATA_OFFSET 128

	/* The supported TV frequency range in MHz */
	#define MIN_TV_FREQ (44U * 16U)
	#define MAX_TV_FREQ (958U * 16U)

	/* The number of samples returned in every SDR buffer */
	#define SDR_CAP_SAMPLES_PER_BUF 0x4000

	/* used by the threads to know when to resync internal counters */
	#define JIFFIES_PER_DAY (3600U * 24U * HZ)
	#define JIFFIES_RESYNC (JIFFIES_PER_DAY * (0xf0000000U / JIFFIES_PER_DAY))

	extern const struct v4l2_rect vivid_min_rect;
	extern const struct v4l2_rect vivid_max_rect;
	extern unsigned vivid_debug;

	struct vivid_fmt {
	const char *name;
	u32 fourcc; /* v4l2 format id */
	u8 depth;
	bool is_yuv;
	bool can_do_overlay;
	u32 alpha_mask;
	u8 planes;
	u32 data_offset[2];
	};

	extern struct vivid_fmt vivid_formats[];

	/* buffer for one video frame */
	struct vivid_buffer {
	/* common v4l buffer stuff -- must be first */
	struct vb2_buffer vb;
	struct list_head list;
	};

	enum vivid_input {
	WEBCAM,
	TV,
	SVID,
	HDMI,
	};

	enum vivid_signal_mode {
	CURRENT_DV_TIMINGS,
	CURRENT_STD = CURRENT_DV_TIMINGS,
	NO_SIGNAL,
	NO_LOCK,
	OUT_OF_RANGE,
	SELECTED_DV_TIMINGS,
	SELECTED_STD = SELECTED_DV_TIMINGS,
	CYCLE_DV_TIMINGS,
	CYCLE_STD = CYCLE_DV_TIMINGS,
	CUSTOM_DV_TIMINGS,
	};

	#define VIVID_INVALID_SIGNAL(mode) \
	((mode) == NO_SIGNAL \|\| (mode) == NO_LOCK \|\| (mode) == OUT_OF_RANGE)

	struct vivid_dev {
	unsigned inst;
	struct v4l2_device v4l2_dev;
	struct v4l2_ctrl_handler ctrl_hdl_user_gen;
	struct v4l2_ctrl_handler ctrl_hdl_user_vid;
	struct v4l2_ctrl_handler ctrl_hdl_user_aud;
	struct v4l2_ctrl_handler ctrl_hdl_streaming;
	struct v4l2_ctrl_handler ctrl_hdl_sdtv_cap;
	struct v4l2_ctrl_handler ctrl_hdl_loop_out;
	struct video_device vid_cap_dev;
	struct v4l2_ctrl_handler ctrl_hdl_vid_cap;
	struct video_device vid_out_dev;
	struct v4l2_ctrl_handler ctrl_hdl_vid_out;
	struct video_device vbi_cap_dev;
	struct v4l2_ctrl_handler ctrl_hdl_vbi_cap;
	struct video_device vbi_out_dev;
	struct v4l2_ctrl_handler ctrl_hdl_vbi_out;
	struct video_device radio_rx_dev;
	struct v4l2_ctrl_handler ctrl_hdl_radio_rx;
	struct video_device radio_tx_dev;
	struct v4l2_ctrl_handler ctrl_hdl_radio_tx;
	struct video_device sdr_cap_dev;
	struct v4l2_ctrl_handler ctrl_hdl_sdr_cap;
	spinlock_t slock;
	struct mutex mutex;

	/* capabilities */
	u32 vid_cap_caps;
	u32 vid_out_caps;
	u32 vbi_cap_caps;
	u32 vbi_out_caps;
	u32 sdr_cap_caps;
	u32 radio_rx_caps;
	u32 radio_tx_caps;

	/* supported features */
	bool multiplanar;
	unsigned num_inputs;
	u8 input_type[MAX_INPUTS];
	u8 input_name_counter[MAX_INPUTS];
	unsigned num_outputs;
	u8 output_type[MAX_OUTPUTS];
	u8 output_name_counter[MAX_OUTPUTS];
	bool has_audio_inputs;
	bool has_audio_outputs;
	bool has_vid_cap;
	bool has_vid_out;
	bool has_vbi_cap;
	bool has_raw_vbi_cap;
	bool has_sliced_vbi_cap;
	bool has_vbi_out;
	bool has_raw_vbi_out;
	bool has_sliced_vbi_out;
	bool has_radio_rx;
	bool has_radio_tx;
	bool has_sdr_cap;
	bool has_fb;

	bool can_loop_video;

	/* controls */
	struct v4l2_ctrl *brightness;
	struct v4l2_ctrl *contrast;
	struct v4l2_ctrl *saturation;
	struct v4l2_ctrl *hue;
	struct {
	/* autogain/gain cluster */
	struct v4l2_ctrl *autogain;
	struct v4l2_ctrl *gain;
	};
	struct v4l2_ctrl *volume;
	struct v4l2_ctrl *mute;
	struct v4l2_ctrl *alpha;
	struct v4l2_ctrl *button;
	struct v4l2_ctrl *boolean;
	struct v4l2_ctrl *int32;
	struct v4l2_ctrl *int64;
	struct v4l2_ctrl *menu;
	struct v4l2_ctrl *string;
	struct v4l2_ctrl *bitmask;
	struct v4l2_ctrl *int_menu;
	struct v4l2_ctrl *test_pattern;
	struct v4l2_ctrl *colorspace;
	struct v4l2_ctrl *rgb_range_cap;
	struct v4l2_ctrl *real_rgb_range_cap;
	struct {
	/* std_signal_mode/standard cluster */
	struct v4l2_ctrl *ctrl_std_signal_mode;
	struct v4l2_ctrl *ctrl_standard;
	};
	struct {
	/* dv_timings_signal_mode/timings cluster */
	struct v4l2_ctrl *ctrl_dv_timings_signal_mode;
	struct v4l2_ctrl *ctrl_dv_timings;
	};
	struct v4l2_ctrl *ctrl_has_crop_cap;
	struct v4l2_ctrl *ctrl_has_compose_cap;
	struct v4l2_ctrl *ctrl_has_scaler_cap;
	struct v4l2_ctrl *ctrl_has_crop_out;
	struct v4l2_ctrl *ctrl_has_compose_out;
	struct v4l2_ctrl *ctrl_has_scaler_out;
	struct v4l2_ctrl *ctrl_tx_mode;
	struct v4l2_ctrl *ctrl_tx_rgb_range;

	struct v4l2_ctrl *radio_tx_rds_pi;
	struct v4l2_ctrl *radio_tx_rds_pty;
	struct v4l2_ctrl *radio_tx_rds_mono_stereo;
	struct v4l2_ctrl *radio_tx_rds_art_head;
	struct v4l2_ctrl *radio_tx_rds_compressed;
	struct v4l2_ctrl *radio_tx_rds_dyn_pty;
	struct v4l2_ctrl *radio_tx_rds_ta;
	struct v4l2_ctrl *radio_tx_rds_tp;
	struct v4l2_ctrl *radio_tx_rds_ms;
	struct v4l2_ctrl *radio_tx_rds_psname;
	struct v4l2_ctrl *radio_tx_rds_radiotext;

	struct v4l2_ctrl *radio_rx_rds_pty;
	struct v4l2_ctrl *radio_rx_rds_ta;
	struct v4l2_ctrl *radio_rx_rds_tp;
	struct v4l2_ctrl *radio_rx_rds_ms;
	struct v4l2_ctrl *radio_rx_rds_psname;
	struct v4l2_ctrl *radio_rx_rds_radiotext;

	unsigned input_brightness[MAX_INPUTS];
	unsigned osd_mode;
	unsigned button_pressed;
	bool sensor_hflip;
	bool sensor_vflip;
	bool hflip;
	bool vflip;
	bool vbi_cap_interlaced;
	bool loop_video;

	/* Framebuffer */
	unsigned long video_pbase;
	void *video_vbase;
	u32 video_buffer_size;
	int display_width;
	int display_height;
	int display_byte_stride;
	int bits_per_pixel;
	int bytes_per_pixel;
	struct fb_info fb_info;
	struct fb_var_screeninfo fb_defined;
	struct fb_fix_screeninfo fb_fix;

	/* Error injection */
	bool queue_setup_error;
	bool buf_prepare_error;
	bool start_streaming_error;
	bool dqbuf_error;
	bool seq_wrap;
	bool time_wrap;
	__kernel_time_t time_wrap_offset;
	unsigned perc_dropped_buffers;
	enum vivid_signal_mode std_signal_mode;
	unsigned query_std_last;
	v4l2_std_id query_std;
	enum tpg_video_aspect std_aspect_ratio;

	enum vivid_signal_mode dv_timings_signal_mode;
	char **query_dv_timings_qmenu;
	unsigned query_dv_timings_size;
	unsigned query_dv_timings_last;
	unsigned query_dv_timings;
	enum tpg_video_aspect dv_timings_aspect_ratio;

	/* Input */
	unsigned input;
	v4l2_std_id std_cap;
	struct v4l2_dv_timings dv_timings_cap;
	u32 service_set_cap;
	struct vivid_vbi_gen_data vbi_gen;
	u8 *edid;
	unsigned edid_blocks;
	unsigned edid_max_blocks;
	unsigned webcam_size_idx;
	unsigned webcam_ival_idx;
	unsigned tv_freq;
	unsigned tv_audmode;
	unsigned tv_field_cap;
	unsigned tv_audio_input;

	/* Capture Overlay */
	struct v4l2_framebuffer fb_cap;
	struct v4l2_fh *overlay_cap_owner;
	void *fb_vbase_cap;
	int overlay_cap_top, overlay_cap_left;
	enum v4l2_field overlay_cap_field;
	void *bitmap_cap;
	struct v4l2_clip clips_cap[MAX_CLIPS];
	struct v4l2_clip try_clips_cap[MAX_CLIPS];
	unsigned clipcount_cap;

	/* Output */
	unsigned output;
	v4l2_std_id std_out;
	struct v4l2_dv_timings dv_timings_out;
	u32 colorspace_out;
	u32 service_set_out;
	u32 bytesperline_out[2];
	unsigned tv_field_out;
	unsigned tv_audio_output;
	bool vbi_out_have_wss;
	u8 vbi_out_wss[2];
	bool vbi_out_have_cc[2];
	u8 vbi_out_cc[2][2];
	bool dvi_d_out;
	u8 *scaled_line;
	u8 *blended_line;
	unsigned cur_scaled_line;

	/* Output Overlay */
	void *fb_vbase_out;
	bool overlay_out_enabled;
	int overlay_out_top, overlay_out_left;
	void *bitmap_out;
	struct v4l2_clip clips_out[MAX_CLIPS];
	struct v4l2_clip try_clips_out[MAX_CLIPS];
	unsigned clipcount_out;
	unsigned fbuf_out_flags;
	u32 chromakey_out;
	u8 global_alpha_out;

	/* video capture */
	struct tpg_data tpg;
	unsigned ms_vid_cap;
	bool must_blank[VIDEO_MAX_FRAME];

	const struct vivid_fmt *fmt_cap;
	struct v4l2_fract timeperframe_vid_cap;
	enum v4l2_field field_cap;
	struct v4l2_rect src_rect;
	struct v4l2_rect fmt_cap_rect;
	struct v4l2_rect crop_cap;
	struct v4l2_rect compose_cap;
	struct v4l2_rect crop_bounds_cap;
	struct vb2_queue vb_vid_cap_q;
	struct list_head vid_cap_active;
	struct vb2_queue vb_vbi_cap_q;
	struct list_head vbi_cap_active;

	/* thread for generating video capture stream */
	struct task_struct *kthread_vid_cap;
	unsigned long jiffies_vid_cap;
	u32 cap_seq_offset;
	u32 cap_seq_count;
	bool cap_seq_resync;
	u32 vid_cap_seq_start;
	u32 vid_cap_seq_count;
	bool vid_cap_streaming;
	u32 vbi_cap_seq_start;
	u32 vbi_cap_seq_count;
	bool vbi_cap_streaming;
	bool stream_sliced_vbi_cap;

	/* video output */
	const struct vivid_fmt *fmt_out;
	struct v4l2_fract timeperframe_vid_out;
	enum v4l2_field field_out;
	struct v4l2_rect sink_rect;
	struct v4l2_rect fmt_out_rect;
	struct v4l2_rect crop_out;
	struct v4l2_rect compose_out;
	struct v4l2_rect compose_bounds_out;
	struct vb2_queue vb_vid_out_q;
	struct list_head vid_out_active;
	struct vb2_queue vb_vbi_out_q;
	struct list_head vbi_out_active;

	/* video loop precalculated rectangles */

	/*
	* Intersection between what the output side composes and the capture side
	* crops. I.e., what actually needs to be copied from the output buffer to
	* the capture buffer.
	*/
	struct v4l2_rect loop_vid_copy;
	/* The part of the output buffer that (after scaling) corresponds to loop_vid_copy. */
	struct v4l2_rect loop_vid_out;
	/* The part of the capture buffer that (after scaling) corresponds to loop_vid_copy. */
	struct v4l2_rect loop_vid_cap;
	/*
	* The intersection of the framebuffer, the overlay output window and
	* loop_vid_copy. I.e., the part of the framebuffer that actually should be
	* blended with the compose_out rectangle. This uses the framebuffer origin.
	*/
	struct v4l2_rect loop_fb_copy;
	/* The same as loop_fb_copy but with compose_out origin. */
	struct v4l2_rect loop_vid_overlay;
	/*
	* The part of the capture buffer that (after scaling) corresponds
	* to loop_vid_overlay.
	*/
	struct v4l2_rect loop_vid_overlay_cap;

	/* thread for generating video output stream */
	struct task_struct *kthread_vid_out;
	unsigned long jiffies_vid_out;
	u32 out_seq_offset;
	u32 out_seq_count;
	bool out_seq_resync;
	u32 vid_out_seq_start;
	u32 vid_out_seq_count;
	bool vid_out_streaming;
	u32 vbi_out_seq_start;
	u32 vbi_out_seq_count;
	bool vbi_out_streaming;
	bool stream_sliced_vbi_out;

	/* SDR capture */
	struct vb2_queue vb_sdr_cap_q;
	struct list_head sdr_cap_active;
	unsigned sdr_adc_freq;
	unsigned sdr_fm_freq;
	int sdr_fixp_src_phase;
	int sdr_fixp_mod_phase;

	bool tstamp_src_is_soe;
	bool has_crop_cap;
	bool has_compose_cap;
	bool has_scaler_cap;
	bool has_crop_out;
	bool has_compose_out;
	bool has_scaler_out;

	/* thread for generating SDR stream */
	struct task_struct *kthread_sdr_cap;
	unsigned long jiffies_sdr_cap;
	u32 sdr_cap_seq_offset;
	u32 sdr_cap_seq_count;
	bool sdr_cap_seq_resync;

	/* RDS generator */
	struct vivid_rds_gen rds_gen;

	/* Radio receiver */
	unsigned radio_rx_freq;
	unsigned radio_rx_audmode;
	int radio_rx_sig_qual;
	unsigned radio_rx_hw_seek_mode;
	bool radio_rx_hw_seek_prog_lim;
	bool radio_rx_rds_controls;
	bool radio_rx_rds_enabled;
	unsigned radio_rx_rds_use_alternates;
	unsigned radio_rx_rds_last_block;
	struct v4l2_fh *radio_rx_rds_owner;

	/* Radio transmitter */
	unsigned radio_tx_freq;
	unsigned radio_tx_subchans;
	bool radio_tx_rds_controls;
	unsigned radio_tx_rds_last_block;
	struct v4l2_fh *radio_tx_rds_owner;

	/* Shared between radio receiver and transmitter */
	bool radio_rds_loop;
	struct timespec radio_rds_init_ts;
	};

	static inline bool vivid_is_webcam(const struct vivid_dev *dev)
	{
	return dev->input_type[dev->input] == WEBCAM;
	}

	static inline bool vivid_is_tv_cap(const struct vivid_dev *dev)
	{
	return dev->input_type[dev->input] == TV;
	}

	static inline bool vivid_is_svid_cap(const struct vivid_dev *dev)
	{
	return dev->input_type[dev->input] == SVID;
	}

	static inline bool vivid_is_hdmi_cap(const struct vivid_dev *dev)
	{
	return dev->input_type[dev->input] == HDMI;
	}

	static inline bool vivid_is_sdtv_cap(const struct vivid_dev *dev)
	{
	return vivid_is_tv_cap(dev) \|\| vivid_is_svid_cap(dev);
	}

	static inline bool vivid_is_svid_out(const struct vivid_dev *dev)
	{
	return dev->output_type[dev->output] == SVID;
	}

	static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
	{
	return dev->output_type[dev->output] == HDMI;
	}

	void vivid_lock(struct vb2_queue *vq);
	void vivid_unlock(struct vb2_queue *vq);

	#endif