[media] vivid: add core driver code
This is the core driver code that creates all the driver instances and all the configured devices. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
6a683493e0
commit
c88a96b023
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/*
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* vivid-core.h - core datastructures
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*
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* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _VIVID_CORE_H_
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#define _VIVID_CORE_H_
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#include <linux/fb.h>
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#include <media/videobuf2-core.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ctrls.h>
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#include "vivid-tpg.h"
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#include "vivid-rds-gen.h"
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#include "vivid-vbi-gen.h"
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#define dprintk(dev, level, fmt, arg...) \
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v4l2_dbg(level, vivid_debug, &dev->v4l2_dev, fmt, ## arg)
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/* Maximum allowed frame rate
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*
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* vivid will allow setting timeperframe in [1/FPS_MAX - FPS_MAX/1] range.
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*
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* Ideally FPS_MAX should be infinity, i.e. practically UINT_MAX, but that
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* might hit application errors when they manipulate these values.
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*
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* Besides, for tpf < 10ms image-generation logic should be changed, to avoid
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* producing frames with equal content.
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*/
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#define FPS_MAX 100
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/* The maximum number of clip rectangles */
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#define MAX_CLIPS 16
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/* The maximum number of inputs */
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#define MAX_INPUTS 16
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/* The maximum number of outputs */
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#define MAX_OUTPUTS 16
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/* The maximum up or down scaling factor is 4 */
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#define MAX_ZOOM 4
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/* The maximum image width/height are set to 4K DMT */
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#define MAX_WIDTH 4096
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#define MAX_HEIGHT 2160
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/* The minimum image width/height */
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#define MIN_WIDTH 16
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#define MIN_HEIGHT 16
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/* The data_offset of plane 0 for the multiplanar formats */
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#define PLANE0_DATA_OFFSET 128
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/* The supported TV frequency range in MHz */
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#define MIN_TV_FREQ (44U * 16U)
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#define MAX_TV_FREQ (958U * 16U)
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/* The number of samples returned in every SDR buffer */
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#define SDR_CAP_SAMPLES_PER_BUF 0x4000
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/* used by the threads to know when to resync internal counters */
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#define JIFFIES_PER_DAY (3600U * 24U * HZ)
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#define JIFFIES_RESYNC (JIFFIES_PER_DAY * (0xf0000000U / JIFFIES_PER_DAY))
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extern const struct v4l2_rect vivid_min_rect;
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extern const struct v4l2_rect vivid_max_rect;
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extern unsigned vivid_debug;
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struct vivid_fmt {
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const char *name;
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u32 fourcc; /* v4l2 format id */
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u8 depth;
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bool is_yuv;
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bool can_do_overlay;
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u32 alpha_mask;
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u8 planes;
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u32 data_offset[2];
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};
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extern struct vivid_fmt vivid_formats[];
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/* buffer for one video frame */
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struct vivid_buffer {
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/* common v4l buffer stuff -- must be first */
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struct vb2_buffer vb;
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struct list_head list;
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};
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enum vivid_input {
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WEBCAM,
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TV,
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SVID,
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HDMI,
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};
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enum vivid_signal_mode {
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CURRENT_DV_TIMINGS,
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CURRENT_STD = CURRENT_DV_TIMINGS,
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NO_SIGNAL,
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NO_LOCK,
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OUT_OF_RANGE,
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SELECTED_DV_TIMINGS,
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SELECTED_STD = SELECTED_DV_TIMINGS,
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CYCLE_DV_TIMINGS,
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CYCLE_STD = CYCLE_DV_TIMINGS,
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CUSTOM_DV_TIMINGS,
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};
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#define VIVID_INVALID_SIGNAL(mode) \
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((mode) == NO_SIGNAL || (mode) == NO_LOCK || (mode) == OUT_OF_RANGE)
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struct vivid_dev {
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unsigned inst;
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struct v4l2_device v4l2_dev;
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struct v4l2_ctrl_handler ctrl_hdl_user_gen;
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struct v4l2_ctrl_handler ctrl_hdl_user_vid;
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struct v4l2_ctrl_handler ctrl_hdl_user_aud;
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struct v4l2_ctrl_handler ctrl_hdl_streaming;
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struct v4l2_ctrl_handler ctrl_hdl_sdtv_cap;
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struct v4l2_ctrl_handler ctrl_hdl_loop_out;
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struct video_device vid_cap_dev;
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struct v4l2_ctrl_handler ctrl_hdl_vid_cap;
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struct video_device vid_out_dev;
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struct v4l2_ctrl_handler ctrl_hdl_vid_out;
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struct video_device vbi_cap_dev;
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struct v4l2_ctrl_handler ctrl_hdl_vbi_cap;
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struct video_device vbi_out_dev;
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struct v4l2_ctrl_handler ctrl_hdl_vbi_out;
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struct video_device radio_rx_dev;
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struct v4l2_ctrl_handler ctrl_hdl_radio_rx;
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struct video_device radio_tx_dev;
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struct v4l2_ctrl_handler ctrl_hdl_radio_tx;
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struct video_device sdr_cap_dev;
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struct v4l2_ctrl_handler ctrl_hdl_sdr_cap;
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spinlock_t slock;
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struct mutex mutex;
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/* capabilities */
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u32 vid_cap_caps;
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u32 vid_out_caps;
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u32 vbi_cap_caps;
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u32 vbi_out_caps;
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u32 sdr_cap_caps;
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u32 radio_rx_caps;
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u32 radio_tx_caps;
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/* supported features */
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bool multiplanar;
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unsigned num_inputs;
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u8 input_type[MAX_INPUTS];
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u8 input_name_counter[MAX_INPUTS];
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unsigned num_outputs;
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u8 output_type[MAX_OUTPUTS];
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u8 output_name_counter[MAX_OUTPUTS];
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bool has_audio_inputs;
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bool has_audio_outputs;
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bool has_vid_cap;
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bool has_vid_out;
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bool has_vbi_cap;
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bool has_raw_vbi_cap;
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bool has_sliced_vbi_cap;
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bool has_vbi_out;
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bool has_raw_vbi_out;
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bool has_sliced_vbi_out;
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bool has_radio_rx;
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bool has_radio_tx;
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bool has_sdr_cap;
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bool has_fb;
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bool can_loop_video;
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/* controls */
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struct v4l2_ctrl *brightness;
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struct v4l2_ctrl *contrast;
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *hue;
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struct {
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/* autogain/gain cluster */
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struct v4l2_ctrl *autogain;
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struct v4l2_ctrl *gain;
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};
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struct v4l2_ctrl *volume;
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struct v4l2_ctrl *mute;
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struct v4l2_ctrl *alpha;
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struct v4l2_ctrl *button;
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struct v4l2_ctrl *boolean;
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struct v4l2_ctrl *int32;
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struct v4l2_ctrl *int64;
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struct v4l2_ctrl *menu;
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struct v4l2_ctrl *string;
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struct v4l2_ctrl *bitmask;
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struct v4l2_ctrl *int_menu;
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struct v4l2_ctrl *test_pattern;
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struct v4l2_ctrl *colorspace;
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struct v4l2_ctrl *rgb_range_cap;
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struct v4l2_ctrl *real_rgb_range_cap;
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struct {
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/* std_signal_mode/standard cluster */
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struct v4l2_ctrl *ctrl_std_signal_mode;
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struct v4l2_ctrl *ctrl_standard;
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};
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struct {
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/* dv_timings_signal_mode/timings cluster */
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struct v4l2_ctrl *ctrl_dv_timings_signal_mode;
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struct v4l2_ctrl *ctrl_dv_timings;
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};
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struct v4l2_ctrl *ctrl_has_crop_cap;
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struct v4l2_ctrl *ctrl_has_compose_cap;
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struct v4l2_ctrl *ctrl_has_scaler_cap;
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struct v4l2_ctrl *ctrl_has_crop_out;
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struct v4l2_ctrl *ctrl_has_compose_out;
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struct v4l2_ctrl *ctrl_has_scaler_out;
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struct v4l2_ctrl *ctrl_tx_mode;
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struct v4l2_ctrl *ctrl_tx_rgb_range;
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struct v4l2_ctrl *radio_tx_rds_pi;
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struct v4l2_ctrl *radio_tx_rds_pty;
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struct v4l2_ctrl *radio_tx_rds_mono_stereo;
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struct v4l2_ctrl *radio_tx_rds_art_head;
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struct v4l2_ctrl *radio_tx_rds_compressed;
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struct v4l2_ctrl *radio_tx_rds_dyn_pty;
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struct v4l2_ctrl *radio_tx_rds_ta;
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struct v4l2_ctrl *radio_tx_rds_tp;
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struct v4l2_ctrl *radio_tx_rds_ms;
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struct v4l2_ctrl *radio_tx_rds_psname;
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struct v4l2_ctrl *radio_tx_rds_radiotext;
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struct v4l2_ctrl *radio_rx_rds_pty;
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struct v4l2_ctrl *radio_rx_rds_ta;
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struct v4l2_ctrl *radio_rx_rds_tp;
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struct v4l2_ctrl *radio_rx_rds_ms;
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struct v4l2_ctrl *radio_rx_rds_psname;
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struct v4l2_ctrl *radio_rx_rds_radiotext;
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unsigned input_brightness[MAX_INPUTS];
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unsigned osd_mode;
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unsigned button_pressed;
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bool sensor_hflip;
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bool sensor_vflip;
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bool hflip;
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bool vflip;
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bool vbi_cap_interlaced;
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bool loop_video;
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/* Framebuffer */
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unsigned long video_pbase;
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void *video_vbase;
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u32 video_buffer_size;
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int display_width;
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int display_height;
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int display_byte_stride;
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int bits_per_pixel;
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int bytes_per_pixel;
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struct fb_info fb_info;
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struct fb_var_screeninfo fb_defined;
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struct fb_fix_screeninfo fb_fix;
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/* Error injection */
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bool queue_setup_error;
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bool buf_prepare_error;
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bool start_streaming_error;
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bool dqbuf_error;
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bool seq_wrap;
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bool time_wrap;
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__kernel_time_t time_wrap_offset;
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unsigned perc_dropped_buffers;
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enum vivid_signal_mode std_signal_mode;
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unsigned query_std_last;
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v4l2_std_id query_std;
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enum tpg_video_aspect std_aspect_ratio;
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enum vivid_signal_mode dv_timings_signal_mode;
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char **query_dv_timings_qmenu;
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unsigned query_dv_timings_size;
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unsigned query_dv_timings_last;
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unsigned query_dv_timings;
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enum tpg_video_aspect dv_timings_aspect_ratio;
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/* Input */
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unsigned input;
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v4l2_std_id std_cap;
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struct v4l2_dv_timings dv_timings_cap;
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u32 service_set_cap;
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struct vivid_vbi_gen_data vbi_gen;
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u8 *edid;
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unsigned edid_blocks;
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unsigned edid_max_blocks;
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unsigned webcam_size_idx;
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unsigned webcam_ival_idx;
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unsigned tv_freq;
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unsigned tv_audmode;
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unsigned tv_field_cap;
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unsigned tv_audio_input;
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/* Capture Overlay */
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struct v4l2_framebuffer fb_cap;
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struct v4l2_fh *overlay_cap_owner;
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void *fb_vbase_cap;
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int overlay_cap_top, overlay_cap_left;
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enum v4l2_field overlay_cap_field;
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void *bitmap_cap;
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struct v4l2_clip clips_cap[MAX_CLIPS];
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struct v4l2_clip try_clips_cap[MAX_CLIPS];
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unsigned clipcount_cap;
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/* Output */
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unsigned output;
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v4l2_std_id std_out;
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struct v4l2_dv_timings dv_timings_out;
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u32 colorspace_out;
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u32 service_set_out;
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u32 bytesperline_out[2];
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unsigned tv_field_out;
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unsigned tv_audio_output;
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bool vbi_out_have_wss;
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u8 vbi_out_wss[2];
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bool vbi_out_have_cc[2];
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u8 vbi_out_cc[2][2];
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bool dvi_d_out;
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u8 *scaled_line;
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u8 *blended_line;
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unsigned cur_scaled_line;
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/* Output Overlay */
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void *fb_vbase_out;
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bool overlay_out_enabled;
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int overlay_out_top, overlay_out_left;
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void *bitmap_out;
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struct v4l2_clip clips_out[MAX_CLIPS];
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struct v4l2_clip try_clips_out[MAX_CLIPS];
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unsigned clipcount_out;
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unsigned fbuf_out_flags;
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u32 chromakey_out;
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u8 global_alpha_out;
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/* video capture */
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struct tpg_data tpg;
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unsigned ms_vid_cap;
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bool must_blank[VIDEO_MAX_FRAME];
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const struct vivid_fmt *fmt_cap;
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struct v4l2_fract timeperframe_vid_cap;
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enum v4l2_field field_cap;
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struct v4l2_rect src_rect;
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struct v4l2_rect fmt_cap_rect;
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struct v4l2_rect crop_cap;
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struct v4l2_rect compose_cap;
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struct v4l2_rect crop_bounds_cap;
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struct vb2_queue vb_vid_cap_q;
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struct list_head vid_cap_active;
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struct vb2_queue vb_vbi_cap_q;
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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
|
||||||
Loading…
Reference in New Issue