46 	struct ivtv *itv = id->itv;  in ivtv_claim_stream()  local
47 	struct ivtv_stream *s = &itv->streams[type];  in ivtv_claim_stream()
73 		ivtv_clear_irq_mask(itv, IVTV_IRQ_DEC_VBI_RE_INSERT);  in ivtv_claim_stream()
83 		   itv->vbi.insert_mpeg && !ivtv_raw_vbi(itv)) {  in ivtv_claim_stream()
88 	s_vbi = &itv->streams[vbi_type];  in ivtv_claim_stream()
93 			ivtv_clear_irq_mask(itv, IVTV_IRQ_DEC_VBI_RE_INSERT);  in ivtv_claim_stream()
105 	struct ivtv *itv = s->itv;  in ivtv_release_stream()  local
123 		ivtv_set_irq_mask(itv, IVTV_IRQ_DEC_VBI_RE_INSERT);  in ivtv_release_stream()
129 		s_vbi = &itv->streams[IVTV_DEC_STREAM_TYPE_VBI];  in ivtv_release_stream()
131 		s_vbi = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];  in ivtv_release_stream()
146 		ivtv_set_irq_mask(itv, IVTV_IRQ_DEC_VBI_RE_INSERT);  in ivtv_release_stream()
152 static void ivtv_dualwatch(struct ivtv *itv)  in ivtv_dualwatch()  argument
158 	new_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode);  in ivtv_dualwatch()
160 	ivtv_call_all(itv, tuner, g_tuner, &vt);  in ivtv_dualwatch()
164 	if (new_stereo_mode == itv->dualwatch_stereo_mode)  in ivtv_dualwatch()
168 			   itv->dualwatch_stereo_mode, new_stereo_mode);  in ivtv_dualwatch()
169 	if (v4l2_ctrl_s_ctrl(itv->cxhdl.audio_mode, new_stereo_mode))  in ivtv_dualwatch()
173 static void ivtv_update_pgm_info(struct ivtv *itv)  in ivtv_update_pgm_info()  argument
175 	u32 wr_idx = (read_enc(itv->pgm_info_offset) - itv->pgm_info_offset - 4) / 24;  in ivtv_update_pgm_info()
179 	if (wr_idx >= itv->pgm_info_num) {  in ivtv_update_pgm_info()
180 		IVTV_DEBUG_WARN("Invalid PGM index %d (>= %d)\n", wr_idx, itv->pgm_info_num);  in ivtv_update_pgm_info()
183 	cnt = (wr_idx + itv->pgm_info_num - itv->pgm_info_write_idx) % itv->pgm_info_num;  in ivtv_update_pgm_info()
185 		int idx = (itv->pgm_info_write_idx + i) % itv->pgm_info_num;  in ivtv_update_pgm_info()
186 		struct v4l2_enc_idx_entry *e = itv->pgm_info + idx;  in ivtv_update_pgm_info()
187 		u32 addr = itv->pgm_info_offset + 4 + idx * 24;  in ivtv_update_pgm_info()
193 		if (e->offset > itv->mpg_data_received) {  in ivtv_update_pgm_info()
196 		e->offset += itv->vbi_data_inserted;  in ivtv_update_pgm_info()
202 	itv->pgm_info_write_idx = (itv->pgm_info_write_idx + i) % itv->pgm_info_num;  in ivtv_update_pgm_info()
207 	struct ivtv *itv = s->itv;  in ivtv_get_buffer()  local
208 	struct ivtv_stream *s_vbi = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];  in ivtv_get_buffer()
216 			ivtv_update_pgm_info(itv);  in ivtv_get_buffer()
219 				       itv->dualwatch_jiffies +  in ivtv_get_buffer()
221 				itv->dualwatch_jiffies = jiffies;  in ivtv_get_buffer()
222 				ivtv_dualwatch(itv);  in ivtv_get_buffer()
229 					ivtv_process_vbi_data(itv, buf, s_vbi->dma_pts, s_vbi->type);  in ivtv_get_buffer()
233 			buf = &itv->vbi.sliced_mpeg_buf;  in ivtv_get_buffer()
255 				ivtv_process_vbi_data(itv, buf, s->dma_pts, s->type);  in ivtv_get_buffer()
273 		mutex_unlock(&itv->serialize_lock);  in ivtv_get_buffer()
279 		mutex_lock(&itv->serialize_lock);  in ivtv_get_buffer()
289 static void ivtv_setup_sliced_vbi_buf(struct ivtv *itv)  in ivtv_setup_sliced_vbi_buf()  argument
291 	int idx = itv->vbi.inserted_frame % IVTV_VBI_FRAMES;  in ivtv_setup_sliced_vbi_buf()
293 	itv->vbi.sliced_mpeg_buf.buf = itv->vbi.sliced_mpeg_data[idx];  in ivtv_setup_sliced_vbi_buf()
294 	itv->vbi.sliced_mpeg_buf.bytesused = itv->vbi.sliced_mpeg_size[idx];  in ivtv_setup_sliced_vbi_buf()
295 	itv->vbi.sliced_mpeg_buf.readpos = 0;  in ivtv_setup_sliced_vbi_buf()
301 	struct ivtv *itv = s->itv;  in ivtv_copy_buf_to_user()  local
305 	if (itv->vbi.insert_mpeg && s->type == IVTV_ENC_STREAM_TYPE_MPG &&  in ivtv_copy_buf_to_user()
306 	    !ivtv_raw_vbi(itv) && buf != &itv->vbi.sliced_mpeg_buf) {  in ivtv_copy_buf_to_user()
310 		u8 ch = itv->search_pack_header ? 0xba : 0xe0;  in ivtv_copy_buf_to_user()
319 			if (!itv->search_pack_header) {  in ivtv_copy_buf_to_user()
325 					itv->search_pack_header = 1;  in ivtv_copy_buf_to_user()
338 				itv->search_pack_header = 0;  in ivtv_copy_buf_to_user()
340 				ivtv_setup_sliced_vbi_buf(itv);  in ivtv_copy_buf_to_user()
353 	if (s->type == IVTV_ENC_STREAM_TYPE_MPG && buf != &itv->vbi.sliced_mpeg_buf)  in ivtv_copy_buf_to_user()
354 		itv->mpg_data_received += len;  in ivtv_copy_buf_to_user()
360 	struct ivtv *itv = s->itv;  in ivtv_read()  local
364 	if (atomic_read(&itv->capturing) == 0 && s->fh == NULL) {  in ivtv_read()
373 	    (s->type == IVTV_ENC_STREAM_TYPE_VBI && !ivtv_raw_vbi(itv)))  in ivtv_read()
396 		if (buf != &itv->vbi.sliced_mpeg_buf) {  in ivtv_read()
400 			int idx = itv->vbi.inserted_frame % IVTV_VBI_FRAMES;  in ivtv_read()
401 			itv->vbi.sliced_mpeg_size[idx] = 0;  in ivtv_read()
402 			itv->vbi.inserted_frame++;  in ivtv_read()
403 			itv->vbi_data_inserted += buf->bytesused;  in ivtv_read()
419 	struct ivtv *itv = s->itv;  in ivtv_read_pos()  local
429 	struct ivtv *itv = id->itv;  in ivtv_start_capture()  local
430 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_start_capture()
459 	s_vbi = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];  in ivtv_start_capture()
484 		if (test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))  in ivtv_start_capture()
485 			ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);  in ivtv_start_capture()
508 	struct ivtv *itv = id->itv;  in ivtv_v4l2_read()  local
509 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_v4l2_read()
514 	if (mutex_lock_interruptible(&itv->serialize_lock))  in ivtv_v4l2_read()
519 	mutex_unlock(&itv->serialize_lock);  in ivtv_v4l2_read()
525 	struct ivtv *itv = id->itv;  in ivtv_start_decoding()  local
526 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_start_decoding()
529 	if (atomic_read(&itv->decoding) == 0) {  in ivtv_start_decoding()
544 		return ivtv_set_speed(itv, speed);  in ivtv_start_decoding()
551 	struct ivtv *itv = id->itv;  in ivtv_write()  local
552 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_write()
553 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_write()
578 		return ivtv_write_vbi_from_user(itv,  in ivtv_write()
584 	if (ivtv_set_output_mode(itv, mode) != mode) {  in ivtv_write()
592 	rc = ivtv_start_decoding(id, itv->speed);  in ivtv_write()
605 	if (mode == OUT_YUV && s->q_full.length == 0 && itv->dma_data_req_size) {  in ivtv_write()
606 		while (count >= itv->dma_data_req_size) {  in ivtv_write()
607 			rc = ivtv_yuv_udma_stream_frame(itv, (void __user *)user_buf);  in ivtv_write()
612 			bytes_written += itv->dma_data_req_size;  in ivtv_write()
613 			user_buf += itv->dma_data_req_size;  in ivtv_write()
614 			count -= itv->dma_data_req_size;  in ivtv_write()
633 		mutex_unlock(&itv->serialize_lock);  in ivtv_write()
639 		mutex_lock(&itv->serialize_lock);  in ivtv_write()
651 		    yi->stream_size + count > itv->dma_data_req_size)  in ivtv_write()
653 				itv->dma_data_req_size - yi->stream_size);  in ivtv_write()
669 			if (yi->stream_size == itv->dma_data_req_size) {  in ivtv_write()
688 		if (s->q_full.length >= itv->dma_data_req_size) {  in ivtv_write()
692 				ivtv_yuv_setup_stream_frame(itv);  in ivtv_write()
694 			mutex_unlock(&itv->serialize_lock);  in ivtv_write()
695 			prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);  in ivtv_write()
700 			finish_wait(&itv->dma_waitq, &wait);  in ivtv_write()
701 			mutex_lock(&itv->serialize_lock);  in ivtv_write()
708 			ivtv_queue_move(s, &s->q_full, NULL, &s->q_predma, itv->dma_data_req_size);  in ivtv_write()
709 			ivtv_dma_stream_dec_prepare(s, itv->dma_data_req_offset + IVTV_DECODER_OFFSET, 1);  in ivtv_write()
723 	struct ivtv *itv = id->itv;  in ivtv_v4l2_write()  local
726 	if (mutex_lock_interruptible(&itv->serialize_lock))  in ivtv_v4l2_write()
729 	mutex_unlock(&itv->serialize_lock);  in ivtv_v4l2_write()
736 	struct ivtv *itv = id->itv;  in ivtv_v4l2_dec_poll()  local
737 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_v4l2_dec_poll()
748 		clear_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);  in ivtv_v4l2_dec_poll()
755 		set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);  in ivtv_v4l2_dec_poll()
756 		if (test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags) ||  in ivtv_v4l2_dec_poll()
757 		    test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))  in ivtv_v4l2_dec_poll()
771 	struct ivtv *itv = id->itv;  in ivtv_v4l2_enc_poll()  local
772 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_v4l2_enc_poll()
782 		mutex_lock(&itv->serialize_lock);  in ivtv_v4l2_enc_poll()
784 		mutex_unlock(&itv->serialize_lock);  in ivtv_v4l2_enc_poll()
810 	struct ivtv *itv = id->itv;  in ivtv_stop_capture()  local
811 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_stop_capture()
819 		struct ivtv_stream *s_vbi = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];  in ivtv_stop_capture()
849 	struct ivtv *itv = id->itv;  in ivtv_stop_decoding()  local
850 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_stop_decoding()
855 		test_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags)) {  in ivtv_stop_decoding()
857 		ivtv_yuv_close(itv);  in ivtv_stop_decoding()
865 		itv->output_mode = OUT_NONE;  in ivtv_stop_decoding()
870 	if (itv->output_mode == OUT_UDMA_YUV && id->yuv_frames)  in ivtv_stop_decoding()
871 		itv->output_mode = OUT_NONE;  in ivtv_stop_decoding()
873 	itv->speed = 0;  in ivtv_stop_decoding()
874 	clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);  in ivtv_stop_decoding()
882 	struct ivtv *itv = id->itv;  in ivtv_v4l2_close()  local
883 	struct ivtv_stream *s = &itv->streams[id->type];  in ivtv_v4l2_close()
887 	mutex_lock(&itv->serialize_lock);  in ivtv_v4l2_close()
893 		ivtv_mute(itv);  in ivtv_v4l2_close()
895 		clear_bit(IVTV_F_I_RADIO_USER, &itv->i_flags);  in ivtv_v4l2_close()
897 		ivtv_call_all(itv, video, s_std, itv->std);  in ivtv_v4l2_close()
899 		ivtv_audio_set_io(itv);  in ivtv_v4l2_close()
900 		if (itv->hw_flags & IVTV_HW_SAA711X) {  in ivtv_v4l2_close()
901 			ivtv_call_hw(itv, IVTV_HW_SAA711X, video, s_crystal_freq,  in ivtv_v4l2_close()
904 		if (atomic_read(&itv->capturing) > 0) {  in ivtv_v4l2_close()
906 			ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1,  in ivtv_v4l2_close()
907 					v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute) |  in ivtv_v4l2_close()
908 					(v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8));  in ivtv_v4l2_close()
911 		ivtv_unmute(itv);  in ivtv_v4l2_close()
924 		struct ivtv_stream *s_vout = &itv->streams[IVTV_DEC_STREAM_TYPE_VOUT];  in ivtv_v4l2_close()
930 		if (itv->output_mode == OUT_NONE && !test_bit(IVTV_F_S_APPL_IO, &s_vout->s_flags)) {  in ivtv_v4l2_close()
932 			ivtv_disable_cc(itv);  in ivtv_v4l2_close()
939 	mutex_unlock(&itv->serialize_lock);  in ivtv_v4l2_close()
947 	struct ivtv *itv = s->itv;  local
953 	if (ivtv_init_on_first_open(itv)) {
969 		res = ivtv_firmware_check(itv, "ivtv_serialized_open");
971 			res = ivtv_firmware_check(itv, "ivtv_serialized_open");
977 		test_bit(IVTV_F_S_CLAIMED, &itv->streams[IVTV_DEC_STREAM_TYPE_YUV].s_flags))
981 		test_bit(IVTV_F_S_CLAIMED, &itv->streams[IVTV_DEC_STREAM_TYPE_MPG].s_flags))
989 		ivtv_udma_alloc(itv);
999 	item->itv = itv;
1007 		if (!test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1008 			if (atomic_read(&itv->capturing) > 0) {
1018 		set_bit(IVTV_F_I_RADIO_USER, &itv->i_flags);
1020 		ivtv_mute(itv);
1022 		ivtv_call_all(itv, tuner, s_radio);
1024 		ivtv_audio_set_io(itv);
1025 		if (itv->hw_flags & IVTV_HW_SAA711X) {
1026 			ivtv_call_hw(itv, IVTV_HW_SAA711X, video, s_crystal_freq,
1030 		ivtv_unmute(itv);
1035 		clear_bit(IVTV_F_I_DEC_YUV, &itv->i_flags);
1037 		set_bit(IVTV_F_I_DEC_YUV, &itv->i_flags);
1039 		itv->dma_data_req_size =
1040 				1080 * ((itv->yuv_info.v4l2_src_h + 31) & ~31);
1041 		itv->yuv_info.stream_size = 0;
1058 void ivtv_mute(struct ivtv *itv)  argument
1060 	if (atomic_read(&itv->capturing))
1061 		ivtv_vapi(itv, CX2341X_ENC_MUTE_AUDIO, 1, 1);
1065 void ivtv_unmute(struct ivtv *itv)  argument
1067 	if (atomic_read(&itv->capturing)) {
1069 		ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12);
1070 		ivtv_vapi(itv, CX2341X_ENC_MUTE_AUDIO, 1, 0);