1150 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (C) 2005-2006 Micronas USA Inc.4 */5 6#include <linux/module.h>7#include <linux/delay.h>8#include <linux/sched.h>9#include <linux/spinlock.h>10#include <linux/slab.h>11#include <linux/fs.h>12#include <linux/unistd.h>13#include <linux/time.h>14#include <linux/vmalloc.h>15#include <linux/pagemap.h>16#include <linux/i2c.h>17#include <linux/mutex.h>18#include <linux/uaccess.h>19#include <linux/videodev2.h>20#include <media/v4l2-common.h>21#include <media/v4l2-ioctl.h>22#include <media/v4l2-subdev.h>23#include <media/v4l2-event.h>24#include <media/videobuf2-vmalloc.h>25#include <media/i2c/saa7115.h>26 27#include "go7007-priv.h"28 29#define call_all(dev, o, f, args...) \30 v4l2_device_call_until_err(dev, 0, o, f, ##args)31 32static bool valid_pixelformat(u32 pixelformat)33{34 switch (pixelformat) {35 case V4L2_PIX_FMT_MJPEG:36 case V4L2_PIX_FMT_MPEG1:37 case V4L2_PIX_FMT_MPEG2:38 case V4L2_PIX_FMT_MPEG4:39 return true;40 default:41 return false;42 }43}44 45static u32 get_frame_type_flag(struct go7007_buffer *vb, int format)46{47 u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0);48 49 switch (format) {50 case V4L2_PIX_FMT_MJPEG:51 return V4L2_BUF_FLAG_KEYFRAME;52 case V4L2_PIX_FMT_MPEG4:53 switch ((ptr[vb->frame_offset + 4] >> 6) & 0x3) {54 case 0:55 return V4L2_BUF_FLAG_KEYFRAME;56 case 1:57 return V4L2_BUF_FLAG_PFRAME;58 case 2:59 return V4L2_BUF_FLAG_BFRAME;60 default:61 return 0;62 }63 case V4L2_PIX_FMT_MPEG1:64 case V4L2_PIX_FMT_MPEG2:65 switch ((ptr[vb->frame_offset + 5] >> 3) & 0x7) {66 case 1:67 return V4L2_BUF_FLAG_KEYFRAME;68 case 2:69 return V4L2_BUF_FLAG_PFRAME;70 case 3:71 return V4L2_BUF_FLAG_BFRAME;72 default:73 return 0;74 }75 }76 77 return 0;78}79 80static void get_resolution(struct go7007 *go, int *width, int *height)81{82 switch (go->standard) {83 case GO7007_STD_NTSC:84 *width = 720;85 *height = 480;86 break;87 case GO7007_STD_PAL:88 *width = 720;89 *height = 576;90 break;91 case GO7007_STD_OTHER:92 default:93 *width = go->board_info->sensor_width;94 *height = go->board_info->sensor_height;95 break;96 }97}98 99static void set_formatting(struct go7007 *go)100{101 if (go->format == V4L2_PIX_FMT_MJPEG) {102 go->pali = 0;103 go->aspect_ratio = GO7007_RATIO_1_1;104 go->gop_size = 0;105 go->ipb = 0;106 go->closed_gop = 0;107 go->repeat_seqhead = 0;108 go->seq_header_enable = 0;109 go->gop_header_enable = 0;110 go->dvd_mode = 0;111 return;112 }113 114 switch (go->format) {115 case V4L2_PIX_FMT_MPEG1:116 go->pali = 0;117 break;118 default:119 case V4L2_PIX_FMT_MPEG2:120 go->pali = 0x48;121 break;122 case V4L2_PIX_FMT_MPEG4:123 /* For future reference: this is the list of MPEG4124 * profiles that are available, although they are125 * untested:126 *127 * Profile pali128 * -------------- ----129 * PROFILE_S_L0 0x08130 * PROFILE_S_L1 0x01131 * PROFILE_S_L2 0x02132 * PROFILE_S_L3 0x03133 * PROFILE_ARTS_L1 0x91134 * PROFILE_ARTS_L2 0x92135 * PROFILE_ARTS_L3 0x93136 * PROFILE_ARTS_L4 0x94137 * PROFILE_AS_L0 0xf0138 * PROFILE_AS_L1 0xf1139 * PROFILE_AS_L2 0xf2140 * PROFILE_AS_L3 0xf3141 * PROFILE_AS_L4 0xf4142 * PROFILE_AS_L5 0xf5143 */144 go->pali = 0xf5;145 break;146 }147 go->gop_size = v4l2_ctrl_g_ctrl(go->mpeg_video_gop_size);148 go->closed_gop = v4l2_ctrl_g_ctrl(go->mpeg_video_gop_closure);149 go->ipb = v4l2_ctrl_g_ctrl(go->mpeg_video_b_frames) != 0;150 go->bitrate = v4l2_ctrl_g_ctrl(go->mpeg_video_bitrate);151 go->repeat_seqhead = v4l2_ctrl_g_ctrl(go->mpeg_video_rep_seqheader);152 go->gop_header_enable = 1;153 go->dvd_mode = 0;154 if (go->format == V4L2_PIX_FMT_MPEG2)155 go->dvd_mode =156 go->bitrate == 9800000 &&157 go->gop_size == 15 &&158 go->ipb == 0 &&159 go->repeat_seqhead == 1 &&160 go->closed_gop;161 162 switch (v4l2_ctrl_g_ctrl(go->mpeg_video_aspect_ratio)) {163 default:164 case V4L2_MPEG_VIDEO_ASPECT_1x1:165 go->aspect_ratio = GO7007_RATIO_1_1;166 break;167 case V4L2_MPEG_VIDEO_ASPECT_4x3:168 go->aspect_ratio = GO7007_RATIO_4_3;169 break;170 case V4L2_MPEG_VIDEO_ASPECT_16x9:171 go->aspect_ratio = GO7007_RATIO_16_9;172 break;173 }174}175 176static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try)177{178 int sensor_height = 0, sensor_width = 0;179 int width, height;180 181 if (fmt != NULL && !valid_pixelformat(fmt->fmt.pix.pixelformat))182 return -EINVAL;183 184 get_resolution(go, &sensor_width, &sensor_height);185 186 if (fmt == NULL) {187 width = sensor_width;188 height = sensor_height;189 } else if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {190 if (fmt->fmt.pix.width > sensor_width)191 width = sensor_width;192 else if (fmt->fmt.pix.width < 144)193 width = 144;194 else195 width = fmt->fmt.pix.width & ~0x0f;196 197 if (fmt->fmt.pix.height > sensor_height)198 height = sensor_height;199 else if (fmt->fmt.pix.height < 96)200 height = 96;201 else202 height = fmt->fmt.pix.height & ~0x0f;203 } else {204 width = fmt->fmt.pix.width;205 206 if (width <= sensor_width / 4) {207 width = sensor_width / 4;208 height = sensor_height / 4;209 } else if (width <= sensor_width / 2) {210 width = sensor_width / 2;211 height = sensor_height / 2;212 } else {213 width = sensor_width;214 height = sensor_height;215 }216 width &= ~0xf;217 height &= ~0xf;218 }219 220 if (fmt != NULL) {221 u32 pixelformat = fmt->fmt.pix.pixelformat;222 223 memset(fmt, 0, sizeof(*fmt));224 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;225 fmt->fmt.pix.width = width;226 fmt->fmt.pix.height = height;227 fmt->fmt.pix.pixelformat = pixelformat;228 fmt->fmt.pix.field = V4L2_FIELD_NONE;229 fmt->fmt.pix.bytesperline = 0;230 fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;231 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;232 }233 234 if (try)235 return 0;236 237 if (fmt)238 go->format = fmt->fmt.pix.pixelformat;239 go->width = width;240 go->height = height;241 go->encoder_h_offset = go->board_info->sensor_h_offset;242 go->encoder_v_offset = go->board_info->sensor_v_offset;243 244 if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {245 struct v4l2_subdev_format format = {246 .which = V4L2_SUBDEV_FORMAT_ACTIVE,247 };248 249 format.format.code = MEDIA_BUS_FMT_FIXED;250 format.format.width = fmt ? fmt->fmt.pix.width : width;251 format.format.height = height;252 go->encoder_h_halve = 0;253 go->encoder_v_halve = 0;254 go->encoder_subsample = 0;255 call_all(&go->v4l2_dev, pad, set_fmt, NULL, &format);256 } else {257 if (width <= sensor_width / 4) {258 go->encoder_h_halve = 1;259 go->encoder_v_halve = 1;260 go->encoder_subsample = 1;261 } else if (width <= sensor_width / 2) {262 go->encoder_h_halve = 1;263 go->encoder_v_halve = 1;264 go->encoder_subsample = 0;265 } else {266 go->encoder_h_halve = 0;267 go->encoder_v_halve = 0;268 go->encoder_subsample = 0;269 }270 }271 return 0;272}273 274static int vidioc_querycap(struct file *file, void *priv,275 struct v4l2_capability *cap)276{277 struct go7007 *go = video_drvdata(file);278 279 strscpy(cap->driver, "go7007", sizeof(cap->driver));280 strscpy(cap->card, go->name, sizeof(cap->card));281 strscpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));282 return 0;283}284 285static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,286 struct v4l2_fmtdesc *fmt)287{288 switch (fmt->index) {289 case 0:290 fmt->pixelformat = V4L2_PIX_FMT_MJPEG;291 break;292 case 1:293 fmt->pixelformat = V4L2_PIX_FMT_MPEG1;294 break;295 case 2:296 fmt->pixelformat = V4L2_PIX_FMT_MPEG2;297 break;298 case 3:299 fmt->pixelformat = V4L2_PIX_FMT_MPEG4;300 break;301 default:302 return -EINVAL;303 }304 return 0;305}306 307static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,308 struct v4l2_format *fmt)309{310 struct go7007 *go = video_drvdata(file);311 312 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;313 fmt->fmt.pix.width = go->width;314 fmt->fmt.pix.height = go->height;315 fmt->fmt.pix.pixelformat = go->format;316 fmt->fmt.pix.field = V4L2_FIELD_NONE;317 fmt->fmt.pix.bytesperline = 0;318 fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;319 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;320 321 return 0;322}323 324static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,325 struct v4l2_format *fmt)326{327 struct go7007 *go = video_drvdata(file);328 329 return set_capture_size(go, fmt, 1);330}331 332static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,333 struct v4l2_format *fmt)334{335 struct go7007 *go = video_drvdata(file);336 337 if (vb2_is_busy(&go->vidq))338 return -EBUSY;339 340 return set_capture_size(go, fmt, 0);341}342 343static int go7007_queue_setup(struct vb2_queue *q,344 unsigned int *num_buffers, unsigned int *num_planes,345 unsigned int sizes[], struct device *alloc_devs[])346{347 sizes[0] = GO7007_BUF_SIZE;348 *num_planes = 1;349 350 if (*num_buffers < 2)351 *num_buffers = 2;352 353 return 0;354}355 356static void go7007_buf_queue(struct vb2_buffer *vb)357{358 struct vb2_queue *vq = vb->vb2_queue;359 struct go7007 *go = vb2_get_drv_priv(vq);360 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);361 struct go7007_buffer *go7007_vb =362 container_of(vbuf, struct go7007_buffer, vb);363 unsigned long flags;364 365 spin_lock_irqsave(&go->spinlock, flags);366 list_add_tail(&go7007_vb->list, &go->vidq_active);367 spin_unlock_irqrestore(&go->spinlock, flags);368}369 370static int go7007_buf_prepare(struct vb2_buffer *vb)371{372 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);373 struct go7007_buffer *go7007_vb =374 container_of(vbuf, struct go7007_buffer, vb);375 376 go7007_vb->modet_active = 0;377 go7007_vb->frame_offset = 0;378 vb->planes[0].bytesused = 0;379 return 0;380}381 382static void go7007_buf_finish(struct vb2_buffer *vb)383{384 struct vb2_queue *vq = vb->vb2_queue;385 struct go7007 *go = vb2_get_drv_priv(vq);386 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);387 struct go7007_buffer *go7007_vb =388 container_of(vbuf, struct go7007_buffer, vb);389 u32 frame_type_flag = get_frame_type_flag(go7007_vb, go->format);390 391 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_BFRAME |392 V4L2_BUF_FLAG_PFRAME);393 vbuf->flags |= frame_type_flag;394 vbuf->field = V4L2_FIELD_NONE;395}396 397static int go7007_start_streaming(struct vb2_queue *q, unsigned int count)398{399 struct go7007 *go = vb2_get_drv_priv(q);400 int ret;401 402 set_formatting(go);403 mutex_lock(&go->hw_lock);404 go->next_seq = 0;405 go->active_buf = NULL;406 go->modet_event_status = 0;407 if (go7007_start_encoder(go) < 0)408 ret = -EIO;409 else410 ret = 0;411 mutex_unlock(&go->hw_lock);412 if (ret)413 return ret;414 call_all(&go->v4l2_dev, video, s_stream, 1);415 v4l2_ctrl_grab(go->mpeg_video_gop_size, true);416 v4l2_ctrl_grab(go->mpeg_video_gop_closure, true);417 v4l2_ctrl_grab(go->mpeg_video_bitrate, true);418 v4l2_ctrl_grab(go->mpeg_video_aspect_ratio, true);419 /* Turn on Capture LED */420 if (go->board_id == GO7007_BOARDID_ADS_USBAV_709)421 go7007_write_addr(go, 0x3c82, 0x0005);422 return ret;423}424 425static void go7007_stop_streaming(struct vb2_queue *q)426{427 struct go7007 *go = vb2_get_drv_priv(q);428 unsigned long flags;429 430 go7007_stream_stop(go);431 mutex_lock(&go->hw_lock);432 go7007_reset_encoder(go);433 mutex_unlock(&go->hw_lock);434 call_all(&go->v4l2_dev, video, s_stream, 0);435 436 spin_lock_irqsave(&go->spinlock, flags);437 INIT_LIST_HEAD(&go->vidq_active);438 spin_unlock_irqrestore(&go->spinlock, flags);439 v4l2_ctrl_grab(go->mpeg_video_gop_size, false);440 v4l2_ctrl_grab(go->mpeg_video_gop_closure, false);441 v4l2_ctrl_grab(go->mpeg_video_bitrate, false);442 v4l2_ctrl_grab(go->mpeg_video_aspect_ratio, false);443 /* Turn on Capture LED */444 if (go->board_id == GO7007_BOARDID_ADS_USBAV_709)445 go7007_write_addr(go, 0x3c82, 0x000d);446}447 448static const struct vb2_ops go7007_video_qops = {449 .queue_setup = go7007_queue_setup,450 .buf_queue = go7007_buf_queue,451 .buf_prepare = go7007_buf_prepare,452 .buf_finish = go7007_buf_finish,453 .start_streaming = go7007_start_streaming,454 .stop_streaming = go7007_stop_streaming,455 .wait_prepare = vb2_ops_wait_prepare,456 .wait_finish = vb2_ops_wait_finish,457};458 459static int vidioc_g_parm(struct file *filp, void *priv,460 struct v4l2_streamparm *parm)461{462 struct go7007 *go = video_drvdata(filp);463 struct v4l2_fract timeperframe = {464 .numerator = 1001 * go->fps_scale,465 .denominator = go->sensor_framerate,466 };467 468 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)469 return -EINVAL;470 471 parm->parm.capture.readbuffers = 2;472 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;473 parm->parm.capture.timeperframe = timeperframe;474 475 return 0;476}477 478static int vidioc_s_parm(struct file *filp, void *priv,479 struct v4l2_streamparm *parm)480{481 struct go7007 *go = video_drvdata(filp);482 unsigned int n, d;483 484 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)485 return -EINVAL;486 487 n = go->sensor_framerate *488 parm->parm.capture.timeperframe.numerator;489 d = 1001 * parm->parm.capture.timeperframe.denominator;490 if (n != 0 && d != 0 && n > d)491 go->fps_scale = (n + d/2) / d;492 else493 go->fps_scale = 1;494 495 return vidioc_g_parm(filp, priv, parm);496}497 498/* VIDIOC_ENUMSTD on go7007 were used for enumerating the supported fps and499 its resolution, when the device is not connected to TV.500 This is were an API abuse, probably used by the lack of specific IOCTL's to501 enumerate it, by the time the driver was written.502 503 However, since kernel 2.6.19, two new ioctls (VIDIOC_ENUM_FRAMEINTERVALS504 and VIDIOC_ENUM_FRAMESIZES) were added for this purpose.505 506 The two functions below implement the newer ioctls507*/508static int vidioc_enum_framesizes(struct file *filp, void *priv,509 struct v4l2_frmsizeenum *fsize)510{511 struct go7007 *go = video_drvdata(filp);512 int width, height;513 514 if (fsize->index > 2)515 return -EINVAL;516 517 if (!valid_pixelformat(fsize->pixel_format))518 return -EINVAL;519 520 get_resolution(go, &width, &height);521 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;522 fsize->discrete.width = (width >> fsize->index) & ~0xf;523 fsize->discrete.height = (height >> fsize->index) & ~0xf;524 return 0;525}526 527static int vidioc_enum_frameintervals(struct file *filp, void *priv,528 struct v4l2_frmivalenum *fival)529{530 struct go7007 *go = video_drvdata(filp);531 int width, height;532 int i;533 534 if (fival->index > 4)535 return -EINVAL;536 537 if (!valid_pixelformat(fival->pixel_format))538 return -EINVAL;539 540 if (!(go->board_info->sensor_flags & GO7007_SENSOR_SCALING)) {541 get_resolution(go, &width, &height);542 for (i = 0; i <= 2; i++)543 if (fival->width == ((width >> i) & ~0xf) &&544 fival->height == ((height >> i) & ~0xf))545 break;546 if (i > 2)547 return -EINVAL;548 }549 fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;550 fival->discrete.numerator = 1001 * (fival->index + 1);551 fival->discrete.denominator = go->sensor_framerate;552 return 0;553}554 555static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std)556{557 struct go7007 *go = video_drvdata(file);558 559 *std = go->std;560 return 0;561}562 563static int go7007_s_std(struct go7007 *go)564{565 if (go->std & V4L2_STD_625_50) {566 go->standard = GO7007_STD_PAL;567 go->sensor_framerate = 25025;568 } else {569 go->standard = GO7007_STD_NTSC;570 go->sensor_framerate = 30000;571 }572 573 call_all(&go->v4l2_dev, video, s_std, go->std);574 set_capture_size(go, NULL, 0);575 return 0;576}577 578static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std)579{580 struct go7007 *go = video_drvdata(file);581 582 if (vb2_is_busy(&go->vidq))583 return -EBUSY;584 585 go->std = std;586 587 return go7007_s_std(go);588}589 590static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std)591{592 struct go7007 *go = video_drvdata(file);593 594 return call_all(&go->v4l2_dev, video, querystd, std);595}596 597static int vidioc_enum_input(struct file *file, void *priv,598 struct v4l2_input *inp)599{600 struct go7007 *go = video_drvdata(file);601 602 if (inp->index >= go->board_info->num_inputs)603 return -EINVAL;604 605 strscpy(inp->name, go->board_info->inputs[inp->index].name,606 sizeof(inp->name));607 608 /* If this board has a tuner, it will be the first input */609 if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&610 inp->index == 0)611 inp->type = V4L2_INPUT_TYPE_TUNER;612 else613 inp->type = V4L2_INPUT_TYPE_CAMERA;614 615 if (go->board_info->num_aud_inputs)616 inp->audioset = (1 << go->board_info->num_aud_inputs) - 1;617 else618 inp->audioset = 0;619 inp->tuner = 0;620 if (go->board_info->sensor_flags & GO7007_SENSOR_TV)621 inp->std = video_devdata(file)->tvnorms;622 else623 inp->std = 0;624 625 return 0;626}627 628 629static int vidioc_g_input(struct file *file, void *priv, unsigned int *input)630{631 struct go7007 *go = video_drvdata(file);632 633 *input = go->input;634 635 return 0;636}637 638static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)639{640 struct go7007 *go = video_drvdata(file);641 642 if (a->index >= go->board_info->num_aud_inputs)643 return -EINVAL;644 strscpy(a->name, go->board_info->aud_inputs[a->index].name,645 sizeof(a->name));646 a->capability = V4L2_AUDCAP_STEREO;647 return 0;648}649 650static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)651{652 struct go7007 *go = video_drvdata(file);653 654 a->index = go->aud_input;655 strscpy(a->name, go->board_info->aud_inputs[go->aud_input].name,656 sizeof(a->name));657 a->capability = V4L2_AUDCAP_STEREO;658 return 0;659}660 661static int vidioc_s_audio(struct file *file, void *fh,662 const struct v4l2_audio *a)663{664 struct go7007 *go = video_drvdata(file);665 666 if (a->index >= go->board_info->num_aud_inputs)667 return -EINVAL;668 go->aud_input = a->index;669 v4l2_subdev_call(go->sd_audio, audio, s_routing,670 go->board_info->aud_inputs[go->aud_input].audio_input, 0, 0);671 return 0;672}673 674static void go7007_s_input(struct go7007 *go)675{676 unsigned int input = go->input;677 678 v4l2_subdev_call(go->sd_video, video, s_routing,679 go->board_info->inputs[input].video_input, 0,680 go->board_info->video_config);681 if (go->board_info->num_aud_inputs) {682 int aud_input = go->board_info->inputs[input].audio_index;683 684 v4l2_subdev_call(go->sd_audio, audio, s_routing,685 go->board_info->aud_inputs[aud_input].audio_input, 0, 0);686 go->aud_input = aud_input;687 }688}689 690static int vidioc_s_input(struct file *file, void *priv, unsigned int input)691{692 struct go7007 *go = video_drvdata(file);693 694 if (input >= go->board_info->num_inputs)695 return -EINVAL;696 if (vb2_is_busy(&go->vidq))697 return -EBUSY;698 699 go->input = input;700 go7007_s_input(go);701 702 return 0;703}704 705static int vidioc_g_tuner(struct file *file, void *priv,706 struct v4l2_tuner *t)707{708 struct go7007 *go = video_drvdata(file);709 710 if (t->index != 0)711 return -EINVAL;712 713 strscpy(t->name, "Tuner", sizeof(t->name));714 return call_all(&go->v4l2_dev, tuner, g_tuner, t);715}716 717static int vidioc_s_tuner(struct file *file, void *priv,718 const struct v4l2_tuner *t)719{720 struct go7007 *go = video_drvdata(file);721 722 if (t->index != 0)723 return -EINVAL;724 725 return call_all(&go->v4l2_dev, tuner, s_tuner, t);726}727 728static int vidioc_g_frequency(struct file *file, void *priv,729 struct v4l2_frequency *f)730{731 struct go7007 *go = video_drvdata(file);732 733 if (f->tuner)734 return -EINVAL;735 736 return call_all(&go->v4l2_dev, tuner, g_frequency, f);737}738 739static int vidioc_s_frequency(struct file *file, void *priv,740 const struct v4l2_frequency *f)741{742 struct go7007 *go = video_drvdata(file);743 744 if (f->tuner)745 return -EINVAL;746 747 return call_all(&go->v4l2_dev, tuner, s_frequency, f);748}749 750static int vidioc_log_status(struct file *file, void *priv)751{752 struct go7007 *go = video_drvdata(file);753 754 v4l2_ctrl_log_status(file, priv);755 return call_all(&go->v4l2_dev, core, log_status);756}757 758static int vidioc_subscribe_event(struct v4l2_fh *fh,759 const struct v4l2_event_subscription *sub)760{761 762 switch (sub->type) {763 case V4L2_EVENT_MOTION_DET:764 /* Allow for up to 30 events (1 second for NTSC) to be765 * stored. */766 return v4l2_event_subscribe(fh, sub, 30, NULL);767 default:768 return v4l2_ctrl_subscribe_event(fh, sub);769 }770}771 772 773static int go7007_s_ctrl(struct v4l2_ctrl *ctrl)774{775 struct go7007 *go =776 container_of(ctrl->handler, struct go7007, hdl);777 unsigned y;778 u8 *mt;779 780 switch (ctrl->id) {781 case V4L2_CID_PIXEL_THRESHOLD0:782 go->modet[0].pixel_threshold = ctrl->val;783 break;784 case V4L2_CID_MOTION_THRESHOLD0:785 go->modet[0].motion_threshold = ctrl->val;786 break;787 case V4L2_CID_MB_THRESHOLD0:788 go->modet[0].mb_threshold = ctrl->val;789 break;790 case V4L2_CID_PIXEL_THRESHOLD1:791 go->modet[1].pixel_threshold = ctrl->val;792 break;793 case V4L2_CID_MOTION_THRESHOLD1:794 go->modet[1].motion_threshold = ctrl->val;795 break;796 case V4L2_CID_MB_THRESHOLD1:797 go->modet[1].mb_threshold = ctrl->val;798 break;799 case V4L2_CID_PIXEL_THRESHOLD2:800 go->modet[2].pixel_threshold = ctrl->val;801 break;802 case V4L2_CID_MOTION_THRESHOLD2:803 go->modet[2].motion_threshold = ctrl->val;804 break;805 case V4L2_CID_MB_THRESHOLD2:806 go->modet[2].mb_threshold = ctrl->val;807 break;808 case V4L2_CID_PIXEL_THRESHOLD3:809 go->modet[3].pixel_threshold = ctrl->val;810 break;811 case V4L2_CID_MOTION_THRESHOLD3:812 go->modet[3].motion_threshold = ctrl->val;813 break;814 case V4L2_CID_MB_THRESHOLD3:815 go->modet[3].mb_threshold = ctrl->val;816 break;817 case V4L2_CID_DETECT_MD_REGION_GRID:818 mt = go->modet_map;819 for (y = 0; y < go->height / 16; y++, mt += go->width / 16)820 memcpy(mt, ctrl->p_new.p_u8 + y * (720 / 16), go->width / 16);821 break;822 default:823 return -EINVAL;824 }825 return 0;826}827 828static const struct v4l2_file_operations go7007_fops = {829 .owner = THIS_MODULE,830 .open = v4l2_fh_open,831 .release = vb2_fop_release,832 .unlocked_ioctl = video_ioctl2,833 .read = vb2_fop_read,834 .mmap = vb2_fop_mmap,835 .poll = vb2_fop_poll,836};837 838static const struct v4l2_ioctl_ops video_ioctl_ops = {839 .vidioc_querycap = vidioc_querycap,840 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,841 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,842 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,843 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,844 .vidioc_reqbufs = vb2_ioctl_reqbufs,845 .vidioc_querybuf = vb2_ioctl_querybuf,846 .vidioc_qbuf = vb2_ioctl_qbuf,847 .vidioc_dqbuf = vb2_ioctl_dqbuf,848 .vidioc_g_std = vidioc_g_std,849 .vidioc_s_std = vidioc_s_std,850 .vidioc_querystd = vidioc_querystd,851 .vidioc_enum_input = vidioc_enum_input,852 .vidioc_g_input = vidioc_g_input,853 .vidioc_s_input = vidioc_s_input,854 .vidioc_enumaudio = vidioc_enumaudio,855 .vidioc_g_audio = vidioc_g_audio,856 .vidioc_s_audio = vidioc_s_audio,857 .vidioc_streamon = vb2_ioctl_streamon,858 .vidioc_streamoff = vb2_ioctl_streamoff,859 .vidioc_g_tuner = vidioc_g_tuner,860 .vidioc_s_tuner = vidioc_s_tuner,861 .vidioc_g_frequency = vidioc_g_frequency,862 .vidioc_s_frequency = vidioc_s_frequency,863 .vidioc_g_parm = vidioc_g_parm,864 .vidioc_s_parm = vidioc_s_parm,865 .vidioc_enum_framesizes = vidioc_enum_framesizes,866 .vidioc_enum_frameintervals = vidioc_enum_frameintervals,867 .vidioc_log_status = vidioc_log_status,868 .vidioc_subscribe_event = vidioc_subscribe_event,869 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,870};871 872static const struct video_device go7007_template = {873 .name = "go7007",874 .fops = &go7007_fops,875 .release = video_device_release_empty,876 .ioctl_ops = &video_ioctl_ops,877 .tvnorms = V4L2_STD_ALL,878};879 880static const struct v4l2_ctrl_ops go7007_ctrl_ops = {881 .s_ctrl = go7007_s_ctrl,882};883 884static const struct v4l2_ctrl_config go7007_pixel_threshold0_ctrl = {885 .ops = &go7007_ctrl_ops,886 .id = V4L2_CID_PIXEL_THRESHOLD0,887 .name = "Pixel Threshold Region 0",888 .type = V4L2_CTRL_TYPE_INTEGER,889 .def = 20,890 .max = 32767,891 .step = 1,892};893 894static const struct v4l2_ctrl_config go7007_motion_threshold0_ctrl = {895 .ops = &go7007_ctrl_ops,896 .id = V4L2_CID_MOTION_THRESHOLD0,897 .name = "Motion Threshold Region 0",898 .type = V4L2_CTRL_TYPE_INTEGER,899 .def = 80,900 .max = 32767,901 .step = 1,902};903 904static const struct v4l2_ctrl_config go7007_mb_threshold0_ctrl = {905 .ops = &go7007_ctrl_ops,906 .id = V4L2_CID_MB_THRESHOLD0,907 .name = "MB Threshold Region 0",908 .type = V4L2_CTRL_TYPE_INTEGER,909 .def = 200,910 .max = 32767,911 .step = 1,912};913 914static const struct v4l2_ctrl_config go7007_pixel_threshold1_ctrl = {915 .ops = &go7007_ctrl_ops,916 .id = V4L2_CID_PIXEL_THRESHOLD1,917 .name = "Pixel Threshold Region 1",918 .type = V4L2_CTRL_TYPE_INTEGER,919 .def = 20,920 .max = 32767,921 .step = 1,922};923 924static const struct v4l2_ctrl_config go7007_motion_threshold1_ctrl = {925 .ops = &go7007_ctrl_ops,926 .id = V4L2_CID_MOTION_THRESHOLD1,927 .name = "Motion Threshold Region 1",928 .type = V4L2_CTRL_TYPE_INTEGER,929 .def = 80,930 .max = 32767,931 .step = 1,932};933 934static const struct v4l2_ctrl_config go7007_mb_threshold1_ctrl = {935 .ops = &go7007_ctrl_ops,936 .id = V4L2_CID_MB_THRESHOLD1,937 .name = "MB Threshold Region 1",938 .type = V4L2_CTRL_TYPE_INTEGER,939 .def = 200,940 .max = 32767,941 .step = 1,942};943 944static const struct v4l2_ctrl_config go7007_pixel_threshold2_ctrl = {945 .ops = &go7007_ctrl_ops,946 .id = V4L2_CID_PIXEL_THRESHOLD2,947 .name = "Pixel Threshold Region 2",948 .type = V4L2_CTRL_TYPE_INTEGER,949 .def = 20,950 .max = 32767,951 .step = 1,952};953 954static const struct v4l2_ctrl_config go7007_motion_threshold2_ctrl = {955 .ops = &go7007_ctrl_ops,956 .id = V4L2_CID_MOTION_THRESHOLD2,957 .name = "Motion Threshold Region 2",958 .type = V4L2_CTRL_TYPE_INTEGER,959 .def = 80,960 .max = 32767,961 .step = 1,962};963 964static const struct v4l2_ctrl_config go7007_mb_threshold2_ctrl = {965 .ops = &go7007_ctrl_ops,966 .id = V4L2_CID_MB_THRESHOLD2,967 .name = "MB Threshold Region 2",968 .type = V4L2_CTRL_TYPE_INTEGER,969 .def = 200,970 .max = 32767,971 .step = 1,972};973 974static const struct v4l2_ctrl_config go7007_pixel_threshold3_ctrl = {975 .ops = &go7007_ctrl_ops,976 .id = V4L2_CID_PIXEL_THRESHOLD3,977 .name = "Pixel Threshold Region 3",978 .type = V4L2_CTRL_TYPE_INTEGER,979 .def = 20,980 .max = 32767,981 .step = 1,982};983 984static const struct v4l2_ctrl_config go7007_motion_threshold3_ctrl = {985 .ops = &go7007_ctrl_ops,986 .id = V4L2_CID_MOTION_THRESHOLD3,987 .name = "Motion Threshold Region 3",988 .type = V4L2_CTRL_TYPE_INTEGER,989 .def = 80,990 .max = 32767,991 .step = 1,992};993 994static const struct v4l2_ctrl_config go7007_mb_threshold3_ctrl = {995 .ops = &go7007_ctrl_ops,996 .id = V4L2_CID_MB_THRESHOLD3,997 .name = "MB Threshold Region 3",998 .type = V4L2_CTRL_TYPE_INTEGER,999 .def = 200,1000 .max = 32767,1001 .step = 1,1002};1003 1004static const struct v4l2_ctrl_config go7007_mb_regions_ctrl = {1005 .ops = &go7007_ctrl_ops,1006 .id = V4L2_CID_DETECT_MD_REGION_GRID,1007 .dims = { 576 / 16, 720 / 16 },1008 .max = 3,1009 .step = 1,1010};1011 1012int go7007_v4l2_ctrl_init(struct go7007 *go)1013{1014 struct v4l2_ctrl_handler *hdl = &go->hdl;1015 struct v4l2_ctrl *ctrl;1016 1017 v4l2_ctrl_handler_init(hdl, 22);1018 go->mpeg_video_gop_size = v4l2_ctrl_new_std(hdl, NULL,1019 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, 34, 1, 15);1020 go->mpeg_video_gop_closure = v4l2_ctrl_new_std(hdl, NULL,1021 V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1);1022 go->mpeg_video_bitrate = v4l2_ctrl_new_std(hdl, NULL,1023 V4L2_CID_MPEG_VIDEO_BITRATE,1024 64000, 10000000, 1, 9800000);1025 go->mpeg_video_b_frames = v4l2_ctrl_new_std(hdl, NULL,1026 V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 2, 2, 0);1027 go->mpeg_video_rep_seqheader = v4l2_ctrl_new_std(hdl, NULL,1028 V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER, 0, 1, 1, 1);1029 1030 go->mpeg_video_aspect_ratio = v4l2_ctrl_new_std_menu(hdl, NULL,1031 V4L2_CID_MPEG_VIDEO_ASPECT,1032 V4L2_MPEG_VIDEO_ASPECT_16x9, 0,1033 V4L2_MPEG_VIDEO_ASPECT_1x1);1034 ctrl = v4l2_ctrl_new_std(hdl, NULL,1035 V4L2_CID_JPEG_ACTIVE_MARKER, 0,1036 V4L2_JPEG_ACTIVE_MARKER_DQT |1037 V4L2_JPEG_ACTIVE_MARKER_DHT, 0,1038 V4L2_JPEG_ACTIVE_MARKER_DQT |1039 V4L2_JPEG_ACTIVE_MARKER_DHT);1040 if (ctrl)1041 ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;1042 v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold0_ctrl, NULL);1043 v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold0_ctrl, NULL);1044 v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold0_ctrl, NULL);1045 v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold1_ctrl, NULL);1046 v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold1_ctrl, NULL);1047 v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold1_ctrl, NULL);1048 v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold2_ctrl, NULL);1049 v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold2_ctrl, NULL);1050 v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold2_ctrl, NULL);1051 v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold3_ctrl, NULL);1052 v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold3_ctrl, NULL);1053 v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold3_ctrl, NULL);1054 v4l2_ctrl_new_custom(hdl, &go7007_mb_regions_ctrl, NULL);1055 go->modet_mode = v4l2_ctrl_new_std_menu(hdl, NULL,1056 V4L2_CID_DETECT_MD_MODE,1057 V4L2_DETECT_MD_MODE_REGION_GRID,1058 1 << V4L2_DETECT_MD_MODE_THRESHOLD_GRID,1059 V4L2_DETECT_MD_MODE_DISABLED);1060 if (hdl->error) {1061 int rv = hdl->error;1062 1063 v4l2_err(&go->v4l2_dev, "Could not register controls\n");1064 return rv;1065 }1066 go->v4l2_dev.ctrl_handler = hdl;1067 return 0;1068}1069 1070int go7007_v4l2_init(struct go7007 *go)1071{1072 struct video_device *vdev = &go->vdev;1073 int rv;1074 1075 mutex_init(&go->serialize_lock);1076 mutex_init(&go->queue_lock);1077 1078 INIT_LIST_HEAD(&go->vidq_active);1079 go->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;1080 go->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;1081 go->vidq.ops = &go7007_video_qops;1082 go->vidq.mem_ops = &vb2_vmalloc_memops;1083 go->vidq.drv_priv = go;1084 go->vidq.buf_struct_size = sizeof(struct go7007_buffer);1085 go->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;1086 go->vidq.lock = &go->queue_lock;1087 rv = vb2_queue_init(&go->vidq);1088 if (rv)1089 return rv;1090 *vdev = go7007_template;1091 vdev->lock = &go->serialize_lock;1092 vdev->queue = &go->vidq;1093 vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |1094 V4L2_CAP_STREAMING;1095 if (go->board_info->num_aud_inputs)1096 vdev->device_caps |= V4L2_CAP_AUDIO;1097 if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)1098 vdev->device_caps |= V4L2_CAP_TUNER;1099 video_set_drvdata(vdev, go);1100 vdev->v4l2_dev = &go->v4l2_dev;1101 if (!v4l2_device_has_op(&go->v4l2_dev, 0, video, querystd))1102 v4l2_disable_ioctl(vdev, VIDIOC_QUERYSTD);1103 if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) {1104 v4l2_disable_ioctl(vdev, VIDIOC_S_FREQUENCY);1105 v4l2_disable_ioctl(vdev, VIDIOC_G_FREQUENCY);1106 v4l2_disable_ioctl(vdev, VIDIOC_S_TUNER);1107 v4l2_disable_ioctl(vdev, VIDIOC_G_TUNER);1108 } else {1109 struct v4l2_frequency f = {1110 .type = V4L2_TUNER_ANALOG_TV,1111 .frequency = 980,1112 };1113 1114 call_all(&go->v4l2_dev, tuner, s_frequency, &f);1115 }1116 if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV)) {1117 v4l2_disable_ioctl(vdev, VIDIOC_G_STD);1118 v4l2_disable_ioctl(vdev, VIDIOC_S_STD);1119 vdev->tvnorms = 0;1120 }1121 if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING)1122 v4l2_disable_ioctl(vdev, VIDIOC_ENUM_FRAMESIZES);1123 if (go->board_info->num_aud_inputs == 0) {1124 v4l2_disable_ioctl(vdev, VIDIOC_G_AUDIO);1125 v4l2_disable_ioctl(vdev, VIDIOC_S_AUDIO);1126 v4l2_disable_ioctl(vdev, VIDIOC_ENUMAUDIO);1127 }1128 /* Setup correct crystal frequency on this board */1129 if (go->board_info->sensor_flags & GO7007_SENSOR_SAA7115)1130 v4l2_subdev_call(go->sd_video, video, s_crystal_freq,1131 SAA7115_FREQ_24_576_MHZ,1132 SAA7115_FREQ_FL_APLL | SAA7115_FREQ_FL_UCGC |1133 SAA7115_FREQ_FL_DOUBLE_ASCLK);1134 go7007_s_input(go);1135 if (go->board_info->sensor_flags & GO7007_SENSOR_TV)1136 go7007_s_std(go);1137 rv = video_register_device(vdev, VFL_TYPE_VIDEO, -1);1138 if (rv < 0)1139 return rv;1140 dev_info(go->dev, "registered device %s [v4l2]\n",1141 video_device_node_name(vdev));1142 1143 return 0;1144}1145 1146void go7007_v4l2_remove(struct go7007 *go)1147{1148 v4l2_ctrl_handler_free(&go->hdl);1149}1150