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

   1 /*
   2  * vivid-core.h - core datastructures
   3  *
   4  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   5  *
   6  * This program is free software; you may redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  11  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  12  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  13  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  14  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  15  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  16  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  17  * SOFTWARE.
  18  */
  19
  20 #ifndef _VIVID_CORE_H_
  21 #define _VIVID_CORE_H_
  22
  23 #include <linux/fb.h>
  24 #include <linux/workqueue.h>
  25 #include <media/cec.h>
  26 #include <media/videobuf2-v4l2.h>
  27 #include <media/v4l2-device.h>
  28 #include <media/v4l2-dev.h>
  29 #include <media/v4l2-ctrls.h>
  30 #include <media/v4l2-tpg.h>
  31 #include "vivid-rds-gen.h"
  32 #include "vivid-vbi-gen.h"
  33
  34 #define dprintk(dev, level, fmt, arg...) \
  35         v4l2_dbg(level, vivid_debug, &dev->v4l2_dev, fmt, ## arg)
  36
  37 /* Maximum allowed frame rate
  38  *
  39  * vivid will allow setting timeperframe in [1/FPS_MAX - FPS_MAX/1] range.
  40  *
  41  * Ideally FPS_MAX should be infinity, i.e. practically UINT_MAX, but that
  42  * might hit application errors when they manipulate these values.
  43  *
  44  * Besides, for tpf < 10ms image-generation logic should be changed, to avoid
  45  * producing frames with equal content.
  46  */
  47 #define FPS_MAX 100
  48
  49 /* The maximum number of clip rectangles */
  50 #define MAX_CLIPS  16
  51 /* The maximum number of inputs */
  52 #define MAX_INPUTS 16
  53 /* The maximum number of outputs */
  54 #define MAX_OUTPUTS 16
  55 /* The maximum up or down scaling factor is 4 */
  56 #define MAX_ZOOM  4
  57 /* The maximum image width/height are set to 4K DMT */
  58 #define MAX_WIDTH  4096
  59 #define MAX_HEIGHT 2160
  60 /* The minimum image width/height */
  61 #define MIN_WIDTH  16
  62 #define MIN_HEIGHT 16
  63 /* The data_offset of plane 0 for the multiplanar formats */
  64 #define PLANE0_DATA_OFFSET 128
  65
  66 /* The supported TV frequency range in MHz */
  67 #define MIN_TV_FREQ (44U * 16U)
  68 #define MAX_TV_FREQ (958U * 16U)
  69
  70 /* The number of samples returned in every SDR buffer */
  71 #define SDR_CAP_SAMPLES_PER_BUF 0x4000
  72
  73 /* used by the threads to know when to resync internal counters */
  74 #define JIFFIES_PER_DAY (3600U * 24U * HZ)
  75 #define JIFFIES_RESYNC (JIFFIES_PER_DAY * (0xf0000000U / JIFFIES_PER_DAY))
  76
  77 extern const struct v4l2_rect vivid_min_rect;
  78 extern const struct v4l2_rect vivid_max_rect;
  79 extern unsigned vivid_debug;
  80
  81 struct vivid_fmt {
  82         u32     fourcc;          /* v4l2 format id */
  83         enum    tgp_color_enc color_enc;
  84         bool    can_do_overlay;
  85         u8      vdownsampling[TPG_MAX_PLANES];
  86         u32     alpha_mask;
  87         u8      planes;
  88         u8      buffers;
  89         u32     data_offset[TPG_MAX_PLANES];
  90         u32     bit_depth[TPG_MAX_PLANES];
  91 };
  92
  93 extern struct vivid_fmt vivid_formats[];
  94
  95 /* buffer for one video frame */
  96 struct vivid_buffer {
  97         /* common v4l buffer stuff -- must be first */
  98         struct vb2_v4l2_buffer vb;
  99         struct list_head        list;
 100 };
 101
 102 enum vivid_input {
 103         WEBCAM,
 104         TV,
 105         SVID,
 106         HDMI,
 107 };
 108
 109 enum vivid_signal_mode {
 110         CURRENT_DV_TIMINGS,
 111         CURRENT_STD = CURRENT_DV_TIMINGS,
 112         NO_SIGNAL,
 113         NO_LOCK,
 114         OUT_OF_RANGE,
 115         SELECTED_DV_TIMINGS,
 116         SELECTED_STD = SELECTED_DV_TIMINGS,
 117         CYCLE_DV_TIMINGS,
 118         CYCLE_STD = CYCLE_DV_TIMINGS,
 119         CUSTOM_DV_TIMINGS,
 120 };
 121
 122 enum vivid_colorspace {
 123         VIVID_CS_170M,
 124         VIVID_CS_709,
 125         VIVID_CS_SRGB,
 126         VIVID_CS_OPRGB,
 127         VIVID_CS_2020,
 128         VIVID_CS_DCI_P3,
 129         VIVID_CS_240M,
 130         VIVID_CS_SYS_M,
 131         VIVID_CS_SYS_BG,
 132 };
 133
 134 #define VIVID_INVALID_SIGNAL(mode) \
 135         ((mode) == NO_SIGNAL || (mode) == NO_LOCK || (mode) == OUT_OF_RANGE)
 136
 137 struct vivid_cec_work {
 138         struct list_head        list;
 139         struct delayed_work     work;
 140         struct cec_adapter      *adap;
 141         struct vivid_dev        *dev;
 142         unsigned int            usecs;
 143         unsigned int            timeout_ms;
 144         u8                      tx_status;
 145         struct cec_msg          msg;
 146 };
 147
 148 struct vivid_dev {
 149         unsigned                        inst;
 150         struct v4l2_device              v4l2_dev;
 151         struct v4l2_ctrl_handler        ctrl_hdl_user_gen;
 152         struct v4l2_ctrl_handler        ctrl_hdl_user_vid;
 153         struct v4l2_ctrl_handler        ctrl_hdl_user_aud;
 154         struct v4l2_ctrl_handler        ctrl_hdl_streaming;
 155         struct v4l2_ctrl_handler        ctrl_hdl_sdtv_cap;
 156         struct v4l2_ctrl_handler        ctrl_hdl_loop_cap;
 157         struct v4l2_ctrl_handler        ctrl_hdl_fb;
 158         struct video_device             vid_cap_dev;
 159         struct v4l2_ctrl_handler        ctrl_hdl_vid_cap;
 160         struct video_device             vid_out_dev;
 161         struct v4l2_ctrl_handler        ctrl_hdl_vid_out;
 162         struct video_device             vbi_cap_dev;
 163         struct v4l2_ctrl_handler        ctrl_hdl_vbi_cap;
 164         struct video_device             vbi_out_dev;
 165         struct v4l2_ctrl_handler        ctrl_hdl_vbi_out;
 166         struct video_device             radio_rx_dev;
 167         struct v4l2_ctrl_handler        ctrl_hdl_radio_rx;
 168         struct video_device             radio_tx_dev;
 169         struct v4l2_ctrl_handler        ctrl_hdl_radio_tx;
 170         struct video_device             sdr_cap_dev;
 171         struct v4l2_ctrl_handler        ctrl_hdl_sdr_cap;
 172         spinlock_t                      slock;
 173         struct mutex                    mutex;
 174
 175         /* capabilities */
 176         u32                             vid_cap_caps;
 177         u32                             vid_out_caps;
 178         u32                             vbi_cap_caps;
 179         u32                             vbi_out_caps;
 180         u32                             sdr_cap_caps;
 181         u32                             radio_rx_caps;
 182         u32                             radio_tx_caps;
 183
 184         /* supported features */
 185         bool                            multiplanar;
 186         unsigned                        num_inputs;
 187         u8                              input_type[MAX_INPUTS];
 188         u8                              input_name_counter[MAX_INPUTS];
 189         unsigned                        num_outputs;
 190         u8                              output_type[MAX_OUTPUTS];
 191         u8                              output_name_counter[MAX_OUTPUTS];
 192         bool                            has_audio_inputs;
 193         bool                            has_audio_outputs;
 194         bool                            has_vid_cap;
 195         bool                            has_vid_out;
 196         bool                            has_vbi_cap;
 197         bool                            has_raw_vbi_cap;
 198         bool                            has_sliced_vbi_cap;
 199         bool                            has_vbi_out;
 200         bool                            has_raw_vbi_out;
 201         bool                            has_sliced_vbi_out;
 202         bool                            has_radio_rx;
 203         bool                            has_radio_tx;
 204         bool                            has_sdr_cap;
 205         bool                            has_fb;
 206
 207         bool                            can_loop_video;
 208
 209         /* controls */
 210         struct v4l2_ctrl                *brightness;
 211         struct v4l2_ctrl                *contrast;
 212         struct v4l2_ctrl                *saturation;
 213         struct v4l2_ctrl                *hue;
 214         struct {
 215                 /* autogain/gain cluster */
 216                 struct v4l2_ctrl        *autogain;
 217                 struct v4l2_ctrl        *gain;
 218         };
 219         struct v4l2_ctrl                *volume;
 220         struct v4l2_ctrl                *mute;
 221         struct v4l2_ctrl                *alpha;
 222         struct v4l2_ctrl                *button;
 223         struct v4l2_ctrl                *boolean;
 224         struct v4l2_ctrl                *int32;
 225         struct v4l2_ctrl                *int64;
 226         struct v4l2_ctrl                *menu;
 227         struct v4l2_ctrl                *string;
 228         struct v4l2_ctrl                *bitmask;
 229         struct v4l2_ctrl                *int_menu;
 230         struct v4l2_ctrl                *test_pattern;
 231         struct v4l2_ctrl                *colorspace;
 232         struct v4l2_ctrl                *rgb_range_cap;
 233         struct v4l2_ctrl                *real_rgb_range_cap;
 234         struct {
 235                 /* std_signal_mode/standard cluster */
 236                 struct v4l2_ctrl        *ctrl_std_signal_mode;
 237                 struct v4l2_ctrl        *ctrl_standard;
 238         };
 239         struct {
 240                 /* dv_timings_signal_mode/timings cluster */
 241                 struct v4l2_ctrl        *ctrl_dv_timings_signal_mode;
 242                 struct v4l2_ctrl        *ctrl_dv_timings;
 243         };
 244         struct v4l2_ctrl                *ctrl_has_crop_cap;
 245         struct v4l2_ctrl                *ctrl_has_compose_cap;
 246         struct v4l2_ctrl                *ctrl_has_scaler_cap;
 247         struct v4l2_ctrl                *ctrl_has_crop_out;
 248         struct v4l2_ctrl                *ctrl_has_compose_out;
 249         struct v4l2_ctrl                *ctrl_has_scaler_out;
 250         struct v4l2_ctrl                *ctrl_tx_mode;
 251         struct v4l2_ctrl                *ctrl_tx_rgb_range;
 252
 253         struct v4l2_ctrl                *radio_tx_rds_pi;
 254         struct v4l2_ctrl                *radio_tx_rds_pty;
 255         struct v4l2_ctrl                *radio_tx_rds_mono_stereo;
 256         struct v4l2_ctrl                *radio_tx_rds_art_head;
 257         struct v4l2_ctrl                *radio_tx_rds_compressed;
 258         struct v4l2_ctrl                *radio_tx_rds_dyn_pty;
 259         struct v4l2_ctrl                *radio_tx_rds_ta;
 260         struct v4l2_ctrl                *radio_tx_rds_tp;
 261         struct v4l2_ctrl                *radio_tx_rds_ms;
 262         struct v4l2_ctrl                *radio_tx_rds_psname;
 263         struct v4l2_ctrl                *radio_tx_rds_radiotext;
 264
 265         struct v4l2_ctrl                *radio_rx_rds_pty;
 266         struct v4l2_ctrl                *radio_rx_rds_ta;
 267         struct v4l2_ctrl                *radio_rx_rds_tp;
 268         struct v4l2_ctrl                *radio_rx_rds_ms;
 269         struct v4l2_ctrl                *radio_rx_rds_psname;
 270         struct v4l2_ctrl                *radio_rx_rds_radiotext;
 271
 272         unsigned                        input_brightness[MAX_INPUTS];
 273         unsigned                        osd_mode;
 274         unsigned                        button_pressed;
 275         bool                            sensor_hflip;
 276         bool                            sensor_vflip;
 277         bool                            hflip;
 278         bool                            vflip;
 279         bool                            vbi_cap_interlaced;
 280         bool                            loop_video;
 281         bool                            reduced_fps;
 282
 283         /* Framebuffer */
 284         unsigned long                   video_pbase;
 285         void                            *video_vbase;
 286         u32                             video_buffer_size;
 287         int                             display_width;
 288         int                             display_height;
 289         int                             display_byte_stride;
 290         int                             bits_per_pixel;
 291         int                             bytes_per_pixel;
 292         struct fb_info                  fb_info;
 293         struct fb_var_screeninfo        fb_defined;
 294         struct fb_fix_screeninfo        fb_fix;
 295
 296         /* Error injection */
 297         bool                            queue_setup_error;
 298         bool                            buf_prepare_error;
 299         bool                            start_streaming_error;
 300         bool                            dqbuf_error;
 301         bool                            seq_wrap;
 302         bool                            time_wrap;
 303         u64                             time_wrap_offset;
 304         unsigned                        perc_dropped_buffers;
 305         enum vivid_signal_mode          std_signal_mode;
 306         unsigned                        query_std_last;
 307         v4l2_std_id                     query_std;
 308         enum tpg_video_aspect           std_aspect_ratio;
 309
 310         enum vivid_signal_mode          dv_timings_signal_mode;
 311         char                            **query_dv_timings_qmenu;
 312         unsigned                        query_dv_timings_size;
 313         unsigned                        query_dv_timings_last;
 314         unsigned                        query_dv_timings;
 315         enum tpg_video_aspect           dv_timings_aspect_ratio;
 316
 317         /* Input */
 318         unsigned                        input;
 319         v4l2_std_id                     std_cap;
 320         struct v4l2_dv_timings          dv_timings_cap;
 321         u32                             service_set_cap;
 322         struct vivid_vbi_gen_data       vbi_gen;
 323         u8                              *edid;
 324         unsigned                        edid_blocks;
 325         unsigned                        edid_max_blocks;
 326         unsigned                        webcam_size_idx;
 327         unsigned                        webcam_ival_idx;
 328         unsigned                        tv_freq;
 329         unsigned                        tv_audmode;
 330         unsigned                        tv_field_cap;
 331         unsigned                        tv_audio_input;
 332
 333         /* Capture Overlay */
 334         struct v4l2_framebuffer         fb_cap;
 335         struct v4l2_fh                  *overlay_cap_owner;
 336         void                            *fb_vbase_cap;
 337         int                             overlay_cap_top, overlay_cap_left;
 338         enum v4l2_field                 overlay_cap_field;
 339         void                            *bitmap_cap;
 340         struct v4l2_clip                clips_cap[MAX_CLIPS];
 341         struct v4l2_clip                try_clips_cap[MAX_CLIPS];
 342         unsigned                        clipcount_cap;
 343
 344         /* Output */
 345         unsigned                        output;
 346         v4l2_std_id                     std_out;
 347         struct v4l2_dv_timings          dv_timings_out;
 348         u32                             colorspace_out;
 349         u32                             ycbcr_enc_out;
 350         u32                             hsv_enc_out;
 351         u32                             quantization_out;
 352         u32                             xfer_func_out;
 353         u32                             service_set_out;
 354         unsigned                        bytesperline_out[TPG_MAX_PLANES];
 355         unsigned                        tv_field_out;
 356         unsigned                        tv_audio_output;
 357         bool                            vbi_out_have_wss;
 358         u8                              vbi_out_wss[2];
 359         bool                            vbi_out_have_cc[2];
 360         u8                              vbi_out_cc[2][2];
 361         bool                            dvi_d_out;
 362         u8                              *scaled_line;
 363         u8                              *blended_line;
 364         unsigned                        cur_scaled_line;
 365
 366         /* Output Overlay */
 367         void                            *fb_vbase_out;
 368         bool                            overlay_out_enabled;
 369         int                             overlay_out_top, overlay_out_left;
 370         void                            *bitmap_out;
 371         struct v4l2_clip                clips_out[MAX_CLIPS];
 372         struct v4l2_clip                try_clips_out[MAX_CLIPS];
 373         unsigned                        clipcount_out;
 374         unsigned                        fbuf_out_flags;
 375         u32                             chromakey_out;
 376         u8                              global_alpha_out;
 377
 378         /* video capture */
 379         struct tpg_data                 tpg;
 380         unsigned                        ms_vid_cap;
 381         bool                            must_blank[VIDEO_MAX_FRAME];
 382
 383         const struct vivid_fmt          *fmt_cap;
 384         struct v4l2_fract               timeperframe_vid_cap;
 385         enum v4l2_field                 field_cap;
 386         struct v4l2_rect                src_rect;
 387         struct v4l2_rect                fmt_cap_rect;
 388         struct v4l2_rect                crop_cap;
 389         struct v4l2_rect                compose_cap;
 390         struct v4l2_rect                crop_bounds_cap;
 391         struct vb2_queue                vb_vid_cap_q;
 392         struct list_head                vid_cap_active;
 393         struct vb2_queue                vb_vbi_cap_q;
 394         struct list_head                vbi_cap_active;
 395
 396         /* thread for generating video capture stream */
 397         struct task_struct              *kthread_vid_cap;
 398         unsigned long                   jiffies_vid_cap;
 399         u32                             cap_seq_offset;
 400         u32                             cap_seq_count;
 401         bool                            cap_seq_resync;
 402         u32                             vid_cap_seq_start;
 403         u32                             vid_cap_seq_count;
 404         bool                            vid_cap_streaming;
 405         u32                             vbi_cap_seq_start;
 406         u32                             vbi_cap_seq_count;
 407         bool                            vbi_cap_streaming;
 408         bool                            stream_sliced_vbi_cap;
 409
 410         /* video output */
 411         const struct vivid_fmt          *fmt_out;
 412         struct v4l2_fract               timeperframe_vid_out;
 413         enum v4l2_field                 field_out;
 414         struct v4l2_rect                sink_rect;
 415         struct v4l2_rect                fmt_out_rect;
 416         struct v4l2_rect                crop_out;
 417         struct v4l2_rect                compose_out;
 418         struct v4l2_rect                compose_bounds_out;
 419         struct vb2_queue                vb_vid_out_q;
 420         struct list_head                vid_out_active;
 421         struct vb2_queue                vb_vbi_out_q;
 422         struct list_head                vbi_out_active;
 423
 424         /* video loop precalculated rectangles */
 425
 426         /*
 427          * Intersection between what the output side composes and the capture side
 428          * crops. I.e., what actually needs to be copied from the output buffer to
 429          * the capture buffer.
 430          */
 431         struct v4l2_rect                loop_vid_copy;
 432         /* The part of the output buffer that (after scaling) corresponds to loop_vid_copy. */
 433         struct v4l2_rect                loop_vid_out;
 434         /* The part of the capture buffer that (after scaling) corresponds to loop_vid_copy. */
 435         struct v4l2_rect                loop_vid_cap;
 436         /*
 437          * The intersection of the framebuffer, the overlay output window and
 438          * loop_vid_copy. I.e., the part of the framebuffer that actually should be
 439          * blended with the compose_out rectangle. This uses the framebuffer origin.
 440          */
 441         struct v4l2_rect                loop_fb_copy;
 442         /* The same as loop_fb_copy but with compose_out origin. */
 443         struct v4l2_rect                loop_vid_overlay;
 444         /*
 445          * The part of the capture buffer that (after scaling) corresponds
 446          * to loop_vid_overlay.
 447          */
 448         struct v4l2_rect                loop_vid_overlay_cap;
 449
 450         /* thread for generating video output stream */
 451         struct task_struct              *kthread_vid_out;
 452         unsigned long                   jiffies_vid_out;
 453         u32                             out_seq_offset;
 454         u32                             out_seq_count;
 455         bool                            out_seq_resync;
 456         u32                             vid_out_seq_start;
 457         u32                             vid_out_seq_count;
 458         bool                            vid_out_streaming;
 459         u32                             vbi_out_seq_start;
 460         u32                             vbi_out_seq_count;
 461         bool                            vbi_out_streaming;
 462         bool                            stream_sliced_vbi_out;
 463
 464         /* SDR capture */
 465         struct vb2_queue                vb_sdr_cap_q;
 466         struct list_head                sdr_cap_active;
 467         u32                             sdr_pixelformat; /* v4l2 format id */
 468         unsigned                        sdr_buffersize;
 469         unsigned                        sdr_adc_freq;
 470         unsigned                        sdr_fm_freq;
 471         unsigned                        sdr_fm_deviation;
 472         int                             sdr_fixp_src_phase;
 473         int                             sdr_fixp_mod_phase;
 474
 475         bool                            tstamp_src_is_soe;
 476         bool                            has_crop_cap;
 477         bool                            has_compose_cap;
 478         bool                            has_scaler_cap;
 479         bool                            has_crop_out;
 480         bool                            has_compose_out;
 481         bool                            has_scaler_out;
 482
 483         /* thread for generating SDR stream */
 484         struct task_struct              *kthread_sdr_cap;
 485         unsigned long                   jiffies_sdr_cap;
 486         u32                             sdr_cap_seq_offset;
 487         u32                             sdr_cap_seq_count;
 488         bool                            sdr_cap_seq_resync;
 489
 490         /* RDS generator */
 491         struct vivid_rds_gen            rds_gen;
 492
 493         /* Radio receiver */
 494         unsigned                        radio_rx_freq;
 495         unsigned                        radio_rx_audmode;
 496         int                             radio_rx_sig_qual;
 497         unsigned                        radio_rx_hw_seek_mode;
 498         bool                            radio_rx_hw_seek_prog_lim;
 499         bool                            radio_rx_rds_controls;
 500         bool                            radio_rx_rds_enabled;
 501         unsigned                        radio_rx_rds_use_alternates;
 502         unsigned                        radio_rx_rds_last_block;
 503         struct v4l2_fh                  *radio_rx_rds_owner;
 504
 505         /* Radio transmitter */
 506         unsigned                        radio_tx_freq;
 507         unsigned                        radio_tx_subchans;
 508         bool                            radio_tx_rds_controls;
 509         unsigned                        radio_tx_rds_last_block;
 510         struct v4l2_fh                  *radio_tx_rds_owner;
 511
 512         /* Shared between radio receiver and transmitter */
 513         bool                            radio_rds_loop;
 514         struct timespec                 radio_rds_init_ts;
 515
 516         /* CEC */
 517         struct cec_adapter              *cec_rx_adap;
 518         struct cec_adapter              *cec_tx_adap[MAX_OUTPUTS];
 519         struct workqueue_struct         *cec_workqueue;
 520         spinlock_t                      cec_slock;
 521         struct list_head                cec_work_list;
 522         unsigned int                    cec_xfer_time_jiffies;
 523         unsigned long                   cec_xfer_start_jiffies;
 524         u8                              cec_output2bus_map[MAX_OUTPUTS];
 525
 526         /* CEC OSD String */
 527         char                            osd[14];
 528         unsigned long                   osd_jiffies;
 529 };
 530
 531 static inline bool vivid_is_webcam(const struct vivid_dev *dev)
 532 {
 533         return dev->input_type[dev->input] == WEBCAM;
 534 }
 535
 536 static inline bool vivid_is_tv_cap(const struct vivid_dev *dev)
 537 {
 538         return dev->input_type[dev->input] == TV;
 539 }
 540
 541 static inline bool vivid_is_svid_cap(const struct vivid_dev *dev)
 542 {
 543         return dev->input_type[dev->input] == SVID;
 544 }
 545
 546 static inline bool vivid_is_hdmi_cap(const struct vivid_dev *dev)
 547 {
 548         return dev->input_type[dev->input] == HDMI;
 549 }
 550
 551 static inline bool vivid_is_sdtv_cap(const struct vivid_dev *dev)
 552 {
 553         return vivid_is_tv_cap(dev) || vivid_is_svid_cap(dev);
 554 }
 555
 556 static inline bool vivid_is_svid_out(const struct vivid_dev *dev)
 557 {
 558         return dev->output_type[dev->output] == SVID;
 559 }
 560
 561 static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
 562 {
 563         return dev->output_type[dev->output] == HDMI;
 564 }
 565
 566 #endif