| /* |
| * 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 "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 { |
| 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; |
| } |
| |
| 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; |
| } |
| |
| #endif |