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Release 4.7 drivers/media/platform/vivid/vivid-core.h

Directory: drivers/media/platform/vivid
/*
 * 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-v4l2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-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 {
	
u32	fourcc;          /* v4l2 format id */
	
bool	is_yuv;
	
bool	can_do_overlay;
	
u8	vdownsampling[TPG_MAX_PLANES];
	
u32	alpha_mask;
	
u8	planes;
	
u8	buffers;
	
u32	data_offset[TPG_MAX_PLANES];
	
u32	bit_depth[TPG_MAX_PLANES];
};

extern struct vivid_fmt vivid_formats[];

/* buffer for one video frame */

struct vivid_buffer {
	/* common v4l buffer stuff -- must be first */
	
struct vb2_v4l2_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,
};


enum vivid_colorspace {
	
VIVID_CS_170M,
	
VIVID_CS_709,
	
VIVID_CS_SRGB,
	
VIVID_CS_ADOBERGB,
	
VIVID_CS_2020,
	
VIVID_CS_DCI_P3,
	
VIVID_CS_240M,
	
VIVID_CS_SYS_M,
	
VIVID_CS_SYS_BG,
};


#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_cap;
	
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;
	
bool				reduced_fps;

	/* 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;
	
u64				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				ycbcr_enc_out;
	
u32				quantization_out;
	
u32				xfer_func_out;
	
u32				service_set_out;
	
unsigned			bytesperline_out[TPG_MAX_PLANES];
	
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;
	
u32				sdr_pixelformat; /* v4l2 format id */
	
unsigned			sdr_buffersize;
	
unsigned			sdr_adc_freq;
	
unsigned			sdr_fm_freq;
	
unsigned			sdr_fm_deviation;
	
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;
}


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


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


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


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


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


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


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#endif

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Directory: drivers/media/platform/vivid



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