Lines Matching defs:go
33 int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data)
35 go->interrupt_available = 0;
36 go->hpi_ops->read_interrupt(go);
37 if (wait_event_timeout(go->interrupt_waitq,
38 go->interrupt_available, 5*HZ) < 0) {
39 v4l2_err(&go->v4l2_dev, "timeout waiting for read interrupt\n");
42 if (!go->interrupt_available)
44 go->interrupt_available = 0;
45 *value = go->interrupt_value & 0xfffe;
46 *data = go->interrupt_data;
56 int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data)
61 if (go7007_write_interrupt(go, 0x0010, addr) < 0)
64 if (go7007_read_interrupt(go, &value, data) == 0 &&
78 static int go7007_load_encoder(struct go7007 *go)
86 if (go->boot_fw == NULL) {
87 if (request_firmware(&fw_entry, fw_name, go->dev)) {
88 v4l2_err(go, "unable to load firmware from file \"%s\"\n", fw_name);
92 v4l2_err(go, "file \"%s\" does not appear to be go7007 firmware\n", fw_name);
99 v4l2_err(go, "unable to allocate %d bytes for firmware transfer\n", fw_len);
104 go->boot_fw_len = fw_len;
105 go->boot_fw = bounce;
107 if (go7007_interface_reset(go) < 0 ||
108 go7007_send_firmware(go, go->boot_fw, go->boot_fw_len) < 0 ||
109 go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
111 v4l2_err(go, "error transferring firmware\n");
112 kfree(go->boot_fw);
113 go->boot_fw = NULL;
128 int go7007_boot_encoder(struct go7007 *go, int init_i2c)
132 mutex_lock(&go->hw_lock);
133 ret = go7007_load_encoder(go);
134 mutex_unlock(&go->hw_lock);
139 if (go7007_i2c_init(go) < 0)
141 go->i2c_adapter_online = 1;
153 static int go7007_init_encoder(struct go7007 *go)
155 if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) {
156 go7007_write_addr(go, 0x1000, 0x0811);
157 go7007_write_addr(go, 0x1000, 0x0c11);
159 switch (go->board_id) {
162 go7007_write_addr(go, 0x3c82, 0x0001);
163 go7007_write_addr(go, 0x3c80, 0x00fe);
167 go7007_write_addr(go, 0x3c82, 0x0000);
168 go7007_write_addr(go, 0x3c80, 0x00df);
174 go7007_write_addr(go, 0x3c82, 0x000d);
175 go7007_write_addr(go, 0x3c80, 0x00f2);
187 int go7007_reset_encoder(struct go7007 *go)
189 if (go7007_load_encoder(go) < 0)
191 return go7007_init_encoder(go);
199 struct go7007 *go = i2c_get_adapdata(adapter);
200 struct v4l2_device *v4l2_dev = &go->v4l2_dev;
212 go->sd_video = sd;
214 go->sd_audio = sd;
229 struct go7007 *go = container_of(v4l2_dev, struct go7007, v4l2_dev);
232 if (go->hpi_ops->release)
233 go->hpi_ops->release(go);
234 if (go->i2c_adapter_online) {
235 i2c_del_adapter(&go->i2c_adapter);
236 go->i2c_adapter_online = 0;
239 kfree(go->boot_fw);
240 go7007_v4l2_remove(go);
241 kfree(go);
252 int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs)
256 dev_info(go->dev, "go7007: registering new %s\n", go->name);
258 go->v4l2_dev.release = go7007_remove;
259 ret = v4l2_device_register(go->dev, &go->v4l2_dev);
263 mutex_lock(&go->hw_lock);
264 ret = go7007_init_encoder(go);
265 mutex_unlock(&go->hw_lock);
269 ret = go7007_v4l2_ctrl_init(go);
273 if (!go->i2c_adapter_online &&
274 go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) {
275 ret = go7007_i2c_init(go);
278 go->i2c_adapter_online = 1;
280 if (go->i2c_adapter_online) {
281 if (go->board_id == GO7007_BOARDID_ADS_USBAV_709) {
283 go7007_write_addr(go, 0x3c82, 0x0009);
285 go7007_write_addr(go, 0x3c82, 0x000d);
288 init_i2c_module(&go->i2c_adapter, &go->board_info->i2c_devs[i]);
290 if (go->tuner_type >= 0) {
293 .type = go->tuner_type,
297 v4l2_device_call_all(&go->v4l2_dev, 0, tuner,
300 if (go->board_id == GO7007_BOARDID_ADLINK_MPG24)
301 v4l2_subdev_call(go->sd_video, video, s_routing,
302 0, 0, go->channel_number + 1);
305 ret = go7007_v4l2_init(go);
309 if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) {
310 go->audio_enabled = 1;
311 go7007_snd_init(go);
323 int go7007_start_encoder(struct go7007 *go)
329 go->modet_enable = 0;
331 go->modet[i].enable = 0;
333 switch (v4l2_ctrl_g_ctrl(go->modet_mode)) {
335 memset(go->modet_map, 0, sizeof(go->modet_map));
336 go->modet[0].enable = 1;
337 go->modet_enable = 1;
340 for (y = 0; y < go->height / 16; y++) {
341 for (x = 0; x < go->width / 16; x++) {
342 int idx = y * go->width / 16 + x;
344 go->modet[go->modet_map[idx]].enable = 1;
347 go->modet_enable = 1;
351 if (go->dvd_mode)
352 go->modet_enable = 0;
354 if (go7007_construct_fw_image(go, &fw, &fw_len) < 0)
357 if (go7007_send_firmware(go, fw, fw_len) < 0 ||
358 go7007_read_interrupt(go, &intr_val, &intr_data) < 0) {
359 v4l2_err(&go->v4l2_dev, "error transferring firmware\n");
364 go->state = STATE_DATA;
365 go->parse_length = 0;
366 go->seen_frame = 0;
367 if (go7007_stream_start(go) < 0) {
368 v4l2_err(&go->v4l2_dev, "error starting stream transfer\n");
390 static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *vb,
393 if (motion_regions != go->modet_event_status) {
403 v4l2_event_queue(&go->vdev, &ev);
404 go->modet_event_status = motion_regions;
412 static void go7007_motion_regions(struct go7007 *go, struct go7007_buffer *vb)
417 unsigned stride = (go->width + 7) >> 3;
422 store_byte(vb, go->active_map[i]);
423 for (y = 0; y < go->height / 16; y++) {
424 for (x = 0; x < go->width / 16; x++) {
425 if (!(go->active_map[y * stride + (x >> 3)] & (1 << (x & 7))))
427 motion[go->modet_map[y * (go->width / 16) + x]]++;
435 go7007_set_motion_regions(go, vb, motion_regions);
441 static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buffer *vb)
448 spin_lock_irqsave(&go->spinlock, flags);
449 if (!list_empty(&go->vidq_active))
450 vb = go->active_buf =
451 list_first_entry(&go->vidq_active, struct go7007_buffer, list);
452 spin_unlock_irqrestore(&go->spinlock, flags);
453 go->next_seq++;
458 vb->vb.sequence = go->next_seq++;
460 go7007_motion_regions(go, vb);
462 go7007_set_motion_regions(go, vb, 0);
466 spin_lock_irqsave(&go->spinlock, flags);
468 if (list_empty(&go->vidq_active))
471 vb = list_first_entry(&go->vidq_active,
473 go->active_buf = vb;
474 spin_unlock_irqrestore(&go->spinlock, flags);
479 static void write_bitmap_word(struct go7007 *go)
481 int x, y, i, stride = ((go->width >> 4) + 7) >> 3;
484 y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4);
485 x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4);
486 if (stride * y + (x >> 3) < sizeof(go->active_map))
487 go->active_map[stride * y + (x >> 3)] |=
488 (go->modet_word & 1) << (x & 0x7);
489 go->modet_word >>= 1;
498 void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
500 struct go7007_buffer *vb = go->active_buf;
503 switch (go->format) {
520 v4l2_info(&go->v4l2_dev, "dropping oversized frame\n");
524 vb = go->active_buf = NULL;
527 switch (go->state) {
531 go->state = STATE_00;
534 go->state = STATE_FF;
544 go->state = STATE_00_00;
548 go->state = STATE_FF;
553 go->state = STATE_DATA;
561 /* go->state remains STATE_00_00 */
564 go->state = STATE_00_00_01;
569 go->state = STATE_FF;
575 go->state = STATE_DATA;
580 if (buf[i] == 0xF8 && go->modet_enable == 0) {
586 go->state = STATE_DATA;
591 if ((go->format == V4L2_PIX_FMT_MPEG1 ||
592 go->format == V4L2_PIX_FMT_MPEG2 ||
593 go->format == V4L2_PIX_FMT_MPEG4) &&
597 if (vb == NULL || go->seen_frame)
598 vb = frame_boundary(go, vb);
599 go->seen_frame = buf[i] == frame_start_code;
600 if (vb && go->seen_frame)
608 go->parse_length = 12;
609 go->state = STATE_UNPARSED;
612 go->state = STATE_VBI_LEN_A;
615 go->parse_length = 0;
616 memset(go->active_map, 0,
617 sizeof(go->active_map));
618 go->state = STATE_MODET_MAP;
624 go->state = STATE_FF;
631 go->state = STATE_DATA;
639 go->state = STATE_00;
643 /* go->state remains STATE_FF */
646 if (go->format == V4L2_PIX_FMT_MJPEG)
647 vb = frame_boundary(go, vb);
652 go->state = STATE_DATA;
657 go->parse_length = buf[i] << 8;
658 go->state = STATE_VBI_LEN_B;
661 go->parse_length |= buf[i];
662 if (go->parse_length > 0)
663 go->state = STATE_UNPARSED;
665 go->state = STATE_DATA;
668 if (go->parse_length < 204) {
669 if (go->parse_length & 1) {
670 go->modet_word |= buf[i];
671 write_bitmap_word(go);
673 go->modet_word = buf[i] << 8;
674 } else if (go->parse_length == 207 && vb) {
677 if (++go->parse_length == 208)
678 go->state = STATE_DATA;
681 if (--go->parse_length == 0)
682 go->state = STATE_DATA;
695 struct go7007 *go;
697 go = kzalloc(sizeof(struct go7007), GFP_KERNEL);
698 if (go == NULL)
700 go->dev = dev;
701 go->board_info = board;
702 go->tuner_type = -1;
703 mutex_init(&go->hw_lock);
704 init_waitqueue_head(&go->frame_waitq);
705 spin_lock_init(&go->spinlock);
706 go->status = STATUS_INIT;
707 init_waitqueue_head(&go->interrupt_waitq);
708 go7007_update_board(go);
709 go->format = V4L2_PIX_FMT_MJPEG;
710 go->bitrate = 1500000;
711 go->fps_scale = 1;
712 go->aspect_ratio = GO7007_RATIO_1_1;
714 return go;
718 void go7007_update_board(struct go7007 *go)
720 const struct go7007_board_info *board = go->board_info;
723 go->standard = GO7007_STD_NTSC;
724 go->std = V4L2_STD_NTSC_M;
725 go->width = 720;
726 go->height = 480;
727 go->sensor_framerate = 30000;
729 go->standard = GO7007_STD_OTHER;
730 go->width = board->sensor_width;
731 go->height = board->sensor_height;
732 go->sensor_framerate = board->sensor_framerate;
734 go->encoder_v_offset = board->sensor_v_offset;
735 go->encoder_h_offset = board->sensor_h_offset;