1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * vivid-core.h - core datastructures
4  *
5  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
6  */
7 
8 #ifndef _VIVID_CORE_H_
9 #define _VIVID_CORE_H_
10 
11 #include <linux/fb.h>
12 #include <linux/workqueue.h>
13 #include <media/cec.h>
14 #include <media/videobuf2-v4l2.h>
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-dev.h>
17 #include <media/v4l2-ctrls.h>
18 #include <media/tpg/v4l2-tpg.h>
19 #include "vivid-rds-gen.h"
20 #include "vivid-vbi-gen.h"
21 
22 #define dprintk(dev, level, fmt, arg...) \
23 	v4l2_dbg(level, vivid_debug, &dev->v4l2_dev, fmt, ## arg)
24 
25 /* The maximum number of inputs */
26 #define MAX_INPUTS 16
27 /* The maximum number of outputs */
28 #define MAX_OUTPUTS 16
29 /* The maximum up or down scaling factor is 4 */
30 #define MAX_ZOOM  4
31 /* The maximum image width/height are set to 4K DMT */
32 #define MAX_WIDTH  4096
33 #define MAX_HEIGHT 2160
34 /* The minimum image width/height */
35 #define MIN_WIDTH  16
36 #define MIN_HEIGHT MIN_WIDTH
37 /* Pixel Array control divider */
38 #define PIXEL_ARRAY_DIV MIN_WIDTH
39 /* The data_offset of plane 0 for the multiplanar formats */
40 #define PLANE0_DATA_OFFSET 128
41 
42 /* The supported TV frequency range in MHz */
43 #define MIN_TV_FREQ (44U * 16U)
44 #define MAX_TV_FREQ (958U * 16U)
45 
46 /* The number of samples returned in every SDR buffer */
47 #define SDR_CAP_SAMPLES_PER_BUF 0x4000
48 
49 /* used by the threads to know when to resync internal counters */
50 #define JIFFIES_PER_DAY (3600U * 24U * HZ)
51 #define JIFFIES_RESYNC (JIFFIES_PER_DAY * (0xf0000000U / JIFFIES_PER_DAY))
52 
53 extern const struct v4l2_rect vivid_min_rect;
54 extern const struct v4l2_rect vivid_max_rect;
55 extern unsigned vivid_debug;
56 
57 struct vivid_fmt {
58 	u32	fourcc;          /* v4l2 format id */
59 	enum	tgp_color_enc color_enc;
60 	bool	can_do_overlay;
61 	u8	vdownsampling[TPG_MAX_PLANES];
62 	u32	alpha_mask;
63 	u8	planes;
64 	u8	buffers;
65 	u32	data_offset[TPG_MAX_PLANES];
66 	u32	bit_depth[TPG_MAX_PLANES];
67 };
68 
69 extern struct vivid_fmt vivid_formats[];
70 
71 /* buffer for one video frame */
72 struct vivid_buffer {
73 	/* common v4l buffer stuff -- must be first */
74 	struct vb2_v4l2_buffer vb;
75 	struct list_head	list;
76 };
77 
78 enum vivid_input {
79 	WEBCAM,
80 	TV,
81 	SVID,
82 	HDMI,
83 };
84 
85 enum vivid_signal_mode {
86 	CURRENT_DV_TIMINGS,
87 	CURRENT_STD = CURRENT_DV_TIMINGS,
88 	NO_SIGNAL,
89 	NO_LOCK,
90 	OUT_OF_RANGE,
91 	SELECTED_DV_TIMINGS,
92 	SELECTED_STD = SELECTED_DV_TIMINGS,
93 	CYCLE_DV_TIMINGS,
94 	CYCLE_STD = CYCLE_DV_TIMINGS,
95 	CUSTOM_DV_TIMINGS,
96 };
97 
98 enum vivid_colorspace {
99 	VIVID_CS_170M,
100 	VIVID_CS_709,
101 	VIVID_CS_SRGB,
102 	VIVID_CS_OPRGB,
103 	VIVID_CS_2020,
104 	VIVID_CS_DCI_P3,
105 	VIVID_CS_240M,
106 	VIVID_CS_SYS_M,
107 	VIVID_CS_SYS_BG,
108 };
109 
110 #define VIVID_INVALID_SIGNAL(mode) \
111 	((mode) == NO_SIGNAL || (mode) == NO_LOCK || (mode) == OUT_OF_RANGE)
112 
113 struct vivid_cec_xfer {
114 	struct cec_adapter	*adap;
115 	u8			msg[CEC_MAX_MSG_SIZE];
116 	u32			len;
117 	u32			sft;
118 };
119 
120 struct vivid_dev {
121 	unsigned			inst;
122 	struct v4l2_device		v4l2_dev;
123 #ifdef CONFIG_MEDIA_CONTROLLER
124 	struct media_device		mdev;
125 	struct media_pad		vid_cap_pad;
126 	struct media_pad		vid_out_pad;
127 	struct media_pad		vbi_cap_pad;
128 	struct media_pad		vbi_out_pad;
129 	struct media_pad		sdr_cap_pad;
130 	struct media_pad		meta_cap_pad;
131 	struct media_pad		meta_out_pad;
132 	struct media_pad		touch_cap_pad;
133 #endif
134 	struct v4l2_ctrl_handler	ctrl_hdl_user_gen;
135 	struct v4l2_ctrl_handler	ctrl_hdl_user_vid;
136 	struct v4l2_ctrl_handler	ctrl_hdl_user_aud;
137 	struct v4l2_ctrl_handler	ctrl_hdl_streaming;
138 	struct v4l2_ctrl_handler	ctrl_hdl_sdtv_cap;
139 	struct v4l2_ctrl_handler	ctrl_hdl_loop_cap;
140 	struct v4l2_ctrl_handler	ctrl_hdl_fb;
141 	struct video_device		vid_cap_dev;
142 	struct v4l2_ctrl_handler	ctrl_hdl_vid_cap;
143 	struct video_device		vid_out_dev;
144 	struct v4l2_ctrl_handler	ctrl_hdl_vid_out;
145 	struct video_device		vbi_cap_dev;
146 	struct v4l2_ctrl_handler	ctrl_hdl_vbi_cap;
147 	struct video_device		vbi_out_dev;
148 	struct v4l2_ctrl_handler	ctrl_hdl_vbi_out;
149 	struct video_device		radio_rx_dev;
150 	struct v4l2_ctrl_handler	ctrl_hdl_radio_rx;
151 	struct video_device		radio_tx_dev;
152 	struct v4l2_ctrl_handler	ctrl_hdl_radio_tx;
153 	struct video_device		sdr_cap_dev;
154 	struct v4l2_ctrl_handler	ctrl_hdl_sdr_cap;
155 	struct video_device		meta_cap_dev;
156 	struct v4l2_ctrl_handler	ctrl_hdl_meta_cap;
157 	struct video_device		meta_out_dev;
158 	struct v4l2_ctrl_handler	ctrl_hdl_meta_out;
159 	struct video_device		touch_cap_dev;
160 	struct v4l2_ctrl_handler	ctrl_hdl_touch_cap;
161 
162 	spinlock_t			slock;
163 	struct mutex			mutex;
164 
165 	/* capabilities */
166 	u32				vid_cap_caps;
167 	u32				vid_out_caps;
168 	u32				vbi_cap_caps;
169 	u32				vbi_out_caps;
170 	u32				sdr_cap_caps;
171 	u32				radio_rx_caps;
172 	u32				radio_tx_caps;
173 	u32				meta_cap_caps;
174 	u32				meta_out_caps;
175 	u32				touch_cap_caps;
176 
177 	/* supported features */
178 	bool				multiplanar;
179 	unsigned			num_inputs;
180 	unsigned int			num_hdmi_inputs;
181 	u8				input_type[MAX_INPUTS];
182 	u8				input_name_counter[MAX_INPUTS];
183 	unsigned			num_outputs;
184 	unsigned int			num_hdmi_outputs;
185 	u8				output_type[MAX_OUTPUTS];
186 	u8				output_name_counter[MAX_OUTPUTS];
187 	bool				has_audio_inputs;
188 	bool				has_audio_outputs;
189 	bool				has_vid_cap;
190 	bool				has_vid_out;
191 	bool				has_vbi_cap;
192 	bool				has_raw_vbi_cap;
193 	bool				has_sliced_vbi_cap;
194 	bool				has_vbi_out;
195 	bool				has_raw_vbi_out;
196 	bool				has_sliced_vbi_out;
197 	bool				has_radio_rx;
198 	bool				has_radio_tx;
199 	bool				has_sdr_cap;
200 	bool				has_fb;
201 	bool				has_meta_cap;
202 	bool				has_meta_out;
203 	bool				has_tv_tuner;
204 	bool				has_touch_cap;
205 
206 	bool				can_loop_video;
207 
208 	/* controls */
209 	struct v4l2_ctrl		*brightness;
210 	struct v4l2_ctrl		*contrast;
211 	struct v4l2_ctrl		*saturation;
212 	struct v4l2_ctrl		*hue;
213 	struct {
214 		/* autogain/gain cluster */
215 		struct v4l2_ctrl	*autogain;
216 		struct v4l2_ctrl	*gain;
217 	};
218 	struct v4l2_ctrl		*volume;
219 	struct v4l2_ctrl		*mute;
220 	struct v4l2_ctrl		*alpha;
221 	struct v4l2_ctrl		*button;
222 	struct v4l2_ctrl		*boolean;
223 	struct v4l2_ctrl		*int32;
224 	struct v4l2_ctrl		*int64;
225 	struct v4l2_ctrl		*menu;
226 	struct v4l2_ctrl		*string;
227 	struct v4l2_ctrl		*bitmask;
228 	struct v4l2_ctrl		*int_menu;
229 	struct v4l2_ctrl		*ro_int32;
230 	struct v4l2_ctrl		*pixel_array;
231 	struct v4l2_ctrl		*test_pattern;
232 	struct v4l2_ctrl		*colorspace;
233 	struct v4l2_ctrl		*rgb_range_cap;
234 	struct v4l2_ctrl		*real_rgb_range_cap;
235 	struct {
236 		/* std_signal_mode/standard cluster */
237 		struct v4l2_ctrl	*ctrl_std_signal_mode;
238 		struct v4l2_ctrl	*ctrl_standard;
239 	};
240 	struct {
241 		/* dv_timings_signal_mode/timings cluster */
242 		struct v4l2_ctrl	*ctrl_dv_timings_signal_mode;
243 		struct v4l2_ctrl	*ctrl_dv_timings;
244 	};
245 	struct v4l2_ctrl		*ctrl_display_present;
246 	struct v4l2_ctrl		*ctrl_has_crop_cap;
247 	struct v4l2_ctrl		*ctrl_has_compose_cap;
248 	struct v4l2_ctrl		*ctrl_has_scaler_cap;
249 	struct v4l2_ctrl		*ctrl_has_crop_out;
250 	struct v4l2_ctrl		*ctrl_has_compose_out;
251 	struct v4l2_ctrl		*ctrl_has_scaler_out;
252 	struct v4l2_ctrl		*ctrl_tx_mode;
253 	struct v4l2_ctrl		*ctrl_tx_rgb_range;
254 	struct v4l2_ctrl		*ctrl_tx_edid_present;
255 	struct v4l2_ctrl		*ctrl_tx_hotplug;
256 	struct v4l2_ctrl		*ctrl_tx_rxsense;
257 
258 	struct v4l2_ctrl		*ctrl_rx_power_present;
259 
260 	struct v4l2_ctrl		*radio_tx_rds_pi;
261 	struct v4l2_ctrl		*radio_tx_rds_pty;
262 	struct v4l2_ctrl		*radio_tx_rds_mono_stereo;
263 	struct v4l2_ctrl		*radio_tx_rds_art_head;
264 	struct v4l2_ctrl		*radio_tx_rds_compressed;
265 	struct v4l2_ctrl		*radio_tx_rds_dyn_pty;
266 	struct v4l2_ctrl		*radio_tx_rds_ta;
267 	struct v4l2_ctrl		*radio_tx_rds_tp;
268 	struct v4l2_ctrl		*radio_tx_rds_ms;
269 	struct v4l2_ctrl		*radio_tx_rds_psname;
270 	struct v4l2_ctrl		*radio_tx_rds_radiotext;
271 
272 	struct v4l2_ctrl		*radio_rx_rds_pty;
273 	struct v4l2_ctrl		*radio_rx_rds_ta;
274 	struct v4l2_ctrl		*radio_rx_rds_tp;
275 	struct v4l2_ctrl		*radio_rx_rds_ms;
276 	struct v4l2_ctrl		*radio_rx_rds_psname;
277 	struct v4l2_ctrl		*radio_rx_rds_radiotext;
278 
279 	unsigned			input_brightness[MAX_INPUTS];
280 	unsigned			osd_mode;
281 	unsigned			button_pressed;
282 	bool				sensor_hflip;
283 	bool				sensor_vflip;
284 	bool				hflip;
285 	bool				vflip;
286 	bool				vbi_cap_interlaced;
287 	bool				loop_video;
288 	bool				reduced_fps;
289 
290 	/* Framebuffer */
291 	unsigned long			video_pbase;
292 	void				*video_vbase;
293 	u32				video_buffer_size;
294 	int				display_width;
295 	int				display_height;
296 	int				display_byte_stride;
297 	int				bits_per_pixel;
298 	int				bytes_per_pixel;
299 	struct fb_info			fb_info;
300 	struct fb_var_screeninfo	fb_defined;
301 	struct fb_fix_screeninfo	fb_fix;
302 
303 	/* Error injection */
304 	bool				disconnect_error;
305 	bool				queue_setup_error;
306 	bool				buf_prepare_error;
307 	bool				start_streaming_error;
308 	bool				dqbuf_error;
309 	bool				req_validate_error;
310 	bool				seq_wrap;
311 	u64				time_wrap;
312 	u64				time_wrap_offset;
313 	unsigned			perc_dropped_buffers;
314 	enum vivid_signal_mode		std_signal_mode[MAX_INPUTS];
315 	unsigned int			query_std_last[MAX_INPUTS];
316 	v4l2_std_id			query_std[MAX_INPUTS];
317 	enum tpg_video_aspect		std_aspect_ratio[MAX_INPUTS];
318 
319 	enum vivid_signal_mode		dv_timings_signal_mode[MAX_INPUTS];
320 	char				**query_dv_timings_qmenu;
321 	char				*query_dv_timings_qmenu_strings;
322 	unsigned			query_dv_timings_size;
323 	unsigned int			query_dv_timings_last[MAX_INPUTS];
324 	unsigned int			query_dv_timings[MAX_INPUTS];
325 	enum tpg_video_aspect		dv_timings_aspect_ratio[MAX_INPUTS];
326 
327 	/* Input */
328 	unsigned			input;
329 	v4l2_std_id			std_cap[MAX_INPUTS];
330 	struct v4l2_dv_timings		dv_timings_cap[MAX_INPUTS];
331 	int				dv_timings_cap_sel[MAX_INPUTS];
332 	u32				service_set_cap;
333 	struct vivid_vbi_gen_data	vbi_gen;
334 	u8				*edid;
335 	unsigned			edid_blocks;
336 	unsigned			edid_max_blocks;
337 	unsigned			webcam_size_idx;
338 	unsigned			webcam_ival_idx;
339 	unsigned			tv_freq;
340 	unsigned			tv_audmode;
341 	unsigned			tv_field_cap;
342 	unsigned			tv_audio_input;
343 
344 	u32				power_present;
345 
346 	/* Output */
347 	unsigned			output;
348 	v4l2_std_id			std_out;
349 	struct v4l2_dv_timings		dv_timings_out;
350 	u32				colorspace_out;
351 	u32				ycbcr_enc_out;
352 	u32				hsv_enc_out;
353 	u32				quantization_out;
354 	u32				xfer_func_out;
355 	u32				service_set_out;
356 	unsigned			bytesperline_out[TPG_MAX_PLANES];
357 	unsigned			tv_field_out;
358 	unsigned			tv_audio_output;
359 	bool				vbi_out_have_wss;
360 	u8				vbi_out_wss[2];
361 	bool				vbi_out_have_cc[2];
362 	u8				vbi_out_cc[2][2];
363 	bool				dvi_d_out;
364 	u8				*scaled_line;
365 	u8				*blended_line;
366 	unsigned			cur_scaled_line;
367 	bool				display_present[MAX_OUTPUTS];
368 
369 	/* Output Overlay */
370 	void				*fb_vbase_out;
371 	bool				overlay_out_enabled;
372 	int				overlay_out_top, overlay_out_left;
373 	unsigned			fbuf_out_flags;
374 	u32				chromakey_out;
375 	u8				global_alpha_out;
376 
377 	/* video capture */
378 	struct tpg_data			tpg;
379 	unsigned			ms_vid_cap;
380 	bool				must_blank[VIDEO_MAX_FRAME];
381 
382 	const struct vivid_fmt		*fmt_cap;
383 	struct v4l2_fract		timeperframe_vid_cap;
384 	enum v4l2_field			field_cap;
385 	struct v4l2_rect		src_rect;
386 	struct v4l2_rect		fmt_cap_rect;
387 	struct v4l2_rect		crop_cap;
388 	struct v4l2_rect		compose_cap;
389 	struct v4l2_rect		crop_bounds_cap;
390 	struct vb2_queue		vb_vid_cap_q;
391 	struct list_head		vid_cap_active;
392 	struct vb2_queue		vb_vbi_cap_q;
393 	struct list_head		vbi_cap_active;
394 	struct vb2_queue		vb_meta_cap_q;
395 	struct list_head		meta_cap_active;
396 	struct vb2_queue		vb_touch_cap_q;
397 	struct list_head		touch_cap_active;
398 
399 	/* thread for generating video capture stream */
400 	struct task_struct		*kthread_vid_cap;
401 	unsigned long			jiffies_vid_cap;
402 	u64				cap_stream_start;
403 	u64				cap_frame_period;
404 	u64				cap_frame_eof_offset;
405 	u32				cap_seq_offset;
406 	u32				cap_seq_count;
407 	bool				cap_seq_resync;
408 	u32				vid_cap_seq_start;
409 	u32				vid_cap_seq_count;
410 	bool				vid_cap_streaming;
411 	u32				vbi_cap_seq_start;
412 	u32				vbi_cap_seq_count;
413 	bool				vbi_cap_streaming;
414 	u32				meta_cap_seq_start;
415 	u32				meta_cap_seq_count;
416 	bool				meta_cap_streaming;
417 
418 	/* Touch capture */
419 	struct task_struct		*kthread_touch_cap;
420 	unsigned long			jiffies_touch_cap;
421 	u64				touch_cap_stream_start;
422 	u32				touch_cap_seq_offset;
423 	bool				touch_cap_seq_resync;
424 	u32				touch_cap_seq_start;
425 	u32				touch_cap_seq_count;
426 	u32				touch_cap_with_seq_wrap_count;
427 	bool				touch_cap_streaming;
428 	struct v4l2_fract		timeperframe_tch_cap;
429 	struct v4l2_pix_format		tch_format;
430 	int				tch_pat_random;
431 
432 	/* video output */
433 	const struct vivid_fmt		*fmt_out;
434 	struct v4l2_fract		timeperframe_vid_out;
435 	enum v4l2_field			field_out;
436 	struct v4l2_rect		sink_rect;
437 	struct v4l2_rect		fmt_out_rect;
438 	struct v4l2_rect		crop_out;
439 	struct v4l2_rect		compose_out;
440 	struct v4l2_rect		compose_bounds_out;
441 	struct vb2_queue		vb_vid_out_q;
442 	struct list_head		vid_out_active;
443 	struct vb2_queue		vb_vbi_out_q;
444 	struct list_head		vbi_out_active;
445 	struct vb2_queue		vb_meta_out_q;
446 	struct list_head		meta_out_active;
447 
448 	/* video loop precalculated rectangles */
449 
450 	/*
451 	 * Intersection between what the output side composes and the capture side
452 	 * crops. I.e., what actually needs to be copied from the output buffer to
453 	 * the capture buffer.
454 	 */
455 	struct v4l2_rect		loop_vid_copy;
456 	/* The part of the output buffer that (after scaling) corresponds to loop_vid_copy. */
457 	struct v4l2_rect		loop_vid_out;
458 	/* The part of the capture buffer that (after scaling) corresponds to loop_vid_copy. */
459 	struct v4l2_rect		loop_vid_cap;
460 	/*
461 	 * The intersection of the framebuffer, the overlay output window and
462 	 * loop_vid_copy. I.e., the part of the framebuffer that actually should be
463 	 * blended with the compose_out rectangle. This uses the framebuffer origin.
464 	 */
465 	struct v4l2_rect		loop_fb_copy;
466 	/* The same as loop_fb_copy but with compose_out origin. */
467 	struct v4l2_rect		loop_vid_overlay;
468 	/*
469 	 * The part of the capture buffer that (after scaling) corresponds
470 	 * to loop_vid_overlay.
471 	 */
472 	struct v4l2_rect		loop_vid_overlay_cap;
473 
474 	/* thread for generating video output stream */
475 	struct task_struct		*kthread_vid_out;
476 	unsigned long			jiffies_vid_out;
477 	u32				out_seq_offset;
478 	u32				out_seq_count;
479 	bool				out_seq_resync;
480 	u32				vid_out_seq_start;
481 	u32				vid_out_seq_count;
482 	bool				vid_out_streaming;
483 	u32				vbi_out_seq_start;
484 	u32				vbi_out_seq_count;
485 	bool				vbi_out_streaming;
486 	bool				stream_sliced_vbi_out;
487 	u32				meta_out_seq_start;
488 	u32				meta_out_seq_count;
489 	bool				meta_out_streaming;
490 
491 	/* SDR capture */
492 	struct vb2_queue		vb_sdr_cap_q;
493 	struct list_head		sdr_cap_active;
494 	u32				sdr_pixelformat; /* v4l2 format id */
495 	unsigned			sdr_buffersize;
496 	unsigned			sdr_adc_freq;
497 	unsigned			sdr_fm_freq;
498 	unsigned			sdr_fm_deviation;
499 	int				sdr_fixp_src_phase;
500 	int				sdr_fixp_mod_phase;
501 
502 	bool				tstamp_src_is_soe;
503 	bool				has_crop_cap;
504 	bool				has_compose_cap;
505 	bool				has_scaler_cap;
506 	bool				has_crop_out;
507 	bool				has_compose_out;
508 	bool				has_scaler_out;
509 
510 	/* thread for generating SDR stream */
511 	struct task_struct		*kthread_sdr_cap;
512 	unsigned long			jiffies_sdr_cap;
513 	u32				sdr_cap_seq_offset;
514 	u32				sdr_cap_seq_start;
515 	u32				sdr_cap_seq_count;
516 	u32				sdr_cap_with_seq_wrap_count;
517 	bool				sdr_cap_seq_resync;
518 
519 	/* RDS generator */
520 	struct vivid_rds_gen		rds_gen;
521 
522 	/* Radio receiver */
523 	unsigned			radio_rx_freq;
524 	unsigned			radio_rx_audmode;
525 	int				radio_rx_sig_qual;
526 	unsigned			radio_rx_hw_seek_mode;
527 	bool				radio_rx_hw_seek_prog_lim;
528 	bool				radio_rx_rds_controls;
529 	bool				radio_rx_rds_enabled;
530 	unsigned			radio_rx_rds_use_alternates;
531 	unsigned			radio_rx_rds_last_block;
532 	struct v4l2_fh			*radio_rx_rds_owner;
533 
534 	/* Radio transmitter */
535 	unsigned			radio_tx_freq;
536 	unsigned			radio_tx_subchans;
537 	bool				radio_tx_rds_controls;
538 	unsigned			radio_tx_rds_last_block;
539 	struct v4l2_fh			*radio_tx_rds_owner;
540 
541 	/* Shared between radio receiver and transmitter */
542 	bool				radio_rds_loop;
543 	ktime_t				radio_rds_init_time;
544 
545 	/* CEC */
546 	struct cec_adapter		*cec_rx_adap;
547 	struct cec_adapter		*cec_tx_adap[MAX_OUTPUTS];
548 	u8				cec_output2bus_map[MAX_OUTPUTS];
549 	struct task_struct		*kthread_cec;
550 	wait_queue_head_t		kthread_waitq_cec;
551 	struct vivid_cec_xfer	xfers[MAX_OUTPUTS];
552 	spinlock_t			cec_xfers_slock; /* read and write cec messages */
553 	u32				cec_sft; /* bus signal free time, in bit periods */
554 	u8				last_initiator;
555 
556 	/* CEC OSD String */
557 	char				osd[14];
558 	unsigned long			osd_jiffies;
559 
560 	bool				meta_pts;
561 	bool				meta_scr;
562 };
563 
564 static inline bool vivid_is_webcam(const struct vivid_dev *dev)
565 {
566 	return dev->input_type[dev->input] == WEBCAM;
567 }
568 
569 static inline bool vivid_is_tv_cap(const struct vivid_dev *dev)
570 {
571 	return dev->input_type[dev->input] == TV;
572 }
573 
574 static inline bool vivid_is_svid_cap(const struct vivid_dev *dev)
575 {
576 	return dev->input_type[dev->input] == SVID;
577 }
578 
579 static inline bool vivid_is_hdmi_cap(const struct vivid_dev *dev)
580 {
581 	return dev->input_type[dev->input] == HDMI;
582 }
583 
584 static inline bool vivid_is_sdtv_cap(const struct vivid_dev *dev)
585 {
586 	return vivid_is_tv_cap(dev) || vivid_is_svid_cap(dev);
587 }
588 
589 static inline bool vivid_is_svid_out(const struct vivid_dev *dev)
590 {
591 	return dev->output_type[dev->output] == SVID;
592 }
593 
594 static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
595 {
596 	return dev->output_type[dev->output] == HDMI;
597 }
598 
599 #endif
600