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");
126 int go7007_boot_encoder(struct go7007 *go, int init_i2c)
130 mutex_lock(&go->hw_lock);
131 ret = go7007_load_encoder(go);
132 mutex_unlock(&go->hw_lock);
137 if (go7007_i2c_init(go) < 0)
139 go->i2c_adapter_online = 1;
151 static int go7007_init_encoder(struct go7007 *go)
153 if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) {
154 go7007_write_addr(go, 0x1000, 0x0811);
155 go7007_write_addr(go, 0x1000, 0x0c11);
157 switch (go->board_id) {
160 go7007_write_addr(go, 0x3c82, 0x0001);
161 go7007_write_addr(go, 0x3c80, 0x00fe);
165 go7007_write_addr(go, 0x3c82, 0x0000);
166 go7007_write_addr(go, 0x3c80, 0x00df);
172 go7007_write_addr(go, 0x3c82, 0x000d);
173 go7007_write_addr(go, 0x3c80, 0x00f2);
185 int go7007_reset_encoder(struct go7007 *go)
187 if (go7007_load_encoder(go) < 0)
189 return go7007_init_encoder(go);
197 struct go7007 *go = i2c_get_adapdata(adapter);
198 struct v4l2_device *v4l2_dev = &go->v4l2_dev;
210 go->sd_video = sd;
212 go->sd_audio = sd;
227 struct go7007 *go = container_of(v4l2_dev, struct go7007, v4l2_dev);
230 if (go->hpi_ops->release)
231 go->hpi_ops->release(go);
232 if (go->i2c_adapter_online) {
233 i2c_del_adapter(&go->i2c_adapter);
234 go->i2c_adapter_online = 0;
237 kfree(go->boot_fw);
238 go7007_v4l2_remove(go);
239 kfree(go);
250 int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs)
254 dev_info(go->dev, "go7007: registering new %s\n", go->name);
256 go->v4l2_dev.release = go7007_remove;
257 ret = v4l2_device_register(go->dev, &go->v4l2_dev);
261 mutex_lock(&go->hw_lock);
262 ret = go7007_init_encoder(go);
263 mutex_unlock(&go->hw_lock);
267 ret = go7007_v4l2_ctrl_init(go);
271 if (!go->i2c_adapter_online &&
272 go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) {
273 ret = go7007_i2c_init(go);
276 go->i2c_adapter_online = 1;
278 if (go->i2c_adapter_online) {
279 if (go->board_id == GO7007_BOARDID_ADS_USBAV_709) {
281 go7007_write_addr(go, 0x3c82, 0x0009);
283 go7007_write_addr(go, 0x3c82, 0x000d);
286 init_i2c_module(&go->i2c_adapter, &go->board_info->i2c_devs[i]);
288 if (go->tuner_type >= 0) {
291 .type = go->tuner_type,
295 v4l2_device_call_all(&go->v4l2_dev, 0, tuner,
298 if (go->board_id == GO7007_BOARDID_ADLINK_MPG24)
299 v4l2_subdev_call(go->sd_video, video, s_routing,
300 0, 0, go->channel_number + 1);
303 ret = go7007_v4l2_init(go);
307 if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) {
308 go->audio_enabled = 1;
309 go7007_snd_init(go);
321 int go7007_start_encoder(struct go7007 *go)
327 go->modet_enable = 0;
329 go->modet[i].enable = 0;
331 switch (v4l2_ctrl_g_ctrl(go->modet_mode)) {
333 memset(go->modet_map, 0, sizeof(go->modet_map));
334 go->modet[0].enable = 1;
335 go->modet_enable = 1;
338 for (y = 0; y < go->height / 16; y++) {
339 for (x = 0; x < go->width / 16; x++) {
340 int idx = y * go->width / 16 + x;
342 go->modet[go->modet_map[idx]].enable = 1;
345 go->modet_enable = 1;
349 if (go->dvd_mode)
350 go->modet_enable = 0;
352 if (go7007_construct_fw_image(go, &fw, &fw_len) < 0)
355 if (go7007_send_firmware(go, fw, fw_len) < 0 ||
356 go7007_read_interrupt(go, &intr_val, &intr_data) < 0) {
357 v4l2_err(&go->v4l2_dev, "error transferring firmware\n");
362 go->state = STATE_DATA;
363 go->parse_length = 0;
364 go->seen_frame = 0;
365 if (go7007_stream_start(go) < 0) {
366 v4l2_err(&go->v4l2_dev, "error starting stream transfer\n");
388 static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *vb,
391 if (motion_regions != go->modet_event_status) {
401 v4l2_event_queue(&go->vdev, &ev);
402 go->modet_event_status = motion_regions;
410 static void go7007_motion_regions(struct go7007 *go, struct go7007_buffer *vb)
415 unsigned stride = (go->width + 7) >> 3;
420 store_byte(vb, go->active_map[i]);
421 for (y = 0; y < go->height / 16; y++) {
422 for (x = 0; x < go->width / 16; x++) {
423 if (!(go->active_map[y * stride + (x >> 3)] & (1 << (x & 7))))
425 motion[go->modet_map[y * (go->width / 16) + x]]++;
433 go7007_set_motion_regions(go, vb, motion_regions);
439 static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buffer *vb)
446 spin_lock_irqsave(&go->spinlock, flags);
447 if (!list_empty(&go->vidq_active))
448 vb = go->active_buf =
449 list_first_entry(&go->vidq_active, struct go7007_buffer, list);
450 spin_unlock_irqrestore(&go->spinlock, flags);
451 go->next_seq++;
456 vb->vb.sequence = go->next_seq++;
458 go7007_motion_regions(go, vb);
460 go7007_set_motion_regions(go, vb, 0);
464 spin_lock_irqsave(&go->spinlock, flags);
466 if (list_empty(&go->vidq_active))
469 vb = list_first_entry(&go->vidq_active,
471 go->active_buf = vb;
472 spin_unlock_irqrestore(&go->spinlock, flags);
477 static void write_bitmap_word(struct go7007 *go)
479 int x, y, i, stride = ((go->width >> 4) + 7) >> 3;
482 y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4);
483 x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4);
484 if (stride * y + (x >> 3) < sizeof(go->active_map))
485 go->active_map[stride * y + (x >> 3)] |=
486 (go->modet_word & 1) << (x & 0x7);
487 go->modet_word >>= 1;
496 void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
498 struct go7007_buffer *vb = go->active_buf;
501 switch (go->format) {
518 v4l2_info(&go->v4l2_dev, "dropping oversized frame\n");
522 vb = go->active_buf = NULL;
525 switch (go->state) {
529 go->state = STATE_00;
532 go->state = STATE_FF;
542 go->state = STATE_00_00;
546 go->state = STATE_FF;
551 go->state = STATE_DATA;
559 /* go->state remains STATE_00_00 */
562 go->state = STATE_00_00_01;
567 go->state = STATE_FF;
573 go->state = STATE_DATA;
578 if (buf[i] == 0xF8 && go->modet_enable == 0) {
584 go->state = STATE_DATA;
589 if ((go->format == V4L2_PIX_FMT_MPEG1 ||
590 go->format == V4L2_PIX_FMT_MPEG2 ||
591 go->format == V4L2_PIX_FMT_MPEG4) &&
595 if (vb == NULL || go->seen_frame)
596 vb = frame_boundary(go, vb);
597 go->seen_frame = buf[i] == frame_start_code;
598 if (vb && go->seen_frame)
606 go->parse_length = 12;
607 go->state = STATE_UNPARSED;
610 go->state = STATE_VBI_LEN_A;
613 go->parse_length = 0;
614 memset(go->active_map, 0,
615 sizeof(go->active_map));
616 go->state = STATE_MODET_MAP;
622 go->state = STATE_FF;
629 go->state = STATE_DATA;
637 go->state = STATE_00;
641 /* go->state remains STATE_FF */
644 if (go->format == V4L2_PIX_FMT_MJPEG)
645 vb = frame_boundary(go, vb);
650 go->state = STATE_DATA;
655 go->parse_length = buf[i] << 8;
656 go->state = STATE_VBI_LEN_B;
659 go->parse_length |= buf[i];
660 if (go->parse_length > 0)
661 go->state = STATE_UNPARSED;
663 go->state = STATE_DATA;
666 if (go->parse_length < 204) {
667 if (go->parse_length & 1) {
668 go->modet_word |= buf[i];
669 write_bitmap_word(go);
671 go->modet_word = buf[i] << 8;
672 } else if (go->parse_length == 207 && vb) {
675 if (++go->parse_length == 208)
676 go->state = STATE_DATA;
679 if (--go->parse_length == 0)
680 go->state = STATE_DATA;
693 struct go7007 *go;
695 go = kzalloc(sizeof(struct go7007), GFP_KERNEL);
696 if (go == NULL)
698 go->dev = dev;
699 go->board_info = board;
700 go->tuner_type = -1;
701 mutex_init(&go->hw_lock);
702 init_waitqueue_head(&go->frame_waitq);
703 spin_lock_init(&go->spinlock);
704 go->status = STATUS_INIT;
705 init_waitqueue_head(&go->interrupt_waitq);
706 go7007_update_board(go);
707 go->format = V4L2_PIX_FMT_MJPEG;
708 go->bitrate = 1500000;
709 go->fps_scale = 1;
710 go->aspect_ratio = GO7007_RATIO_1_1;
712 return go;
716 void go7007_update_board(struct go7007 *go)
718 const struct go7007_board_info *board = go->board_info;
721 go->standard = GO7007_STD_NTSC;
722 go->std = V4L2_STD_NTSC_M;
723 go->width = 720;
724 go->height = 480;
725 go->sensor_framerate = 30000;
727 go->standard = GO7007_STD_OTHER;
728 go->width = board->sensor_width;
729 go->height = board->sensor_height;
730 go->sensor_framerate = board->sensor_framerate;
732 go->encoder_v_offset = board->sensor_v_offset;
733 go->encoder_h_offset = board->sensor_h_offset;