53 static void saa7164_encoder_configure(struct saa7164_port *port)  in saa7164_encoder_configure()  argument
55 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_configure()
58 	port->encoder_params.width = port->width;  in saa7164_encoder_configure()
59 	port->encoder_params.height = port->height;  in saa7164_encoder_configure()
60 	port->encoder_params.is_50hz =  in saa7164_encoder_configure()
61 		(port->encodernorm.id & V4L2_STD_625_50) != 0;  in saa7164_encoder_configure()
64 	saa7164_api_initialize_dif(port);  in saa7164_encoder_configure()
67 	saa7164_api_configure_dif(port, port->encodernorm.id);  in saa7164_encoder_configure()
70 	saa7164_api_set_audio_std(port);  in saa7164_encoder_configure()
73 static int saa7164_encoder_buffers_dealloc(struct saa7164_port *port)  in saa7164_encoder_buffers_dealloc()  argument
76 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_buffers_dealloc()
81 	mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_dealloc()
83 	dprintk(DBGLVL_ENC, "%s(port=%d) dmaqueue\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
84 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_encoder_buffers_dealloc()
90 	dprintk(DBGLVL_ENC, "%s(port=%d) used\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
91 	list_for_each_safe(p, q, &port->list_buf_used.list) {  in saa7164_encoder_buffers_dealloc()
97 	dprintk(DBGLVL_ENC, "%s(port=%d) free\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
98 	list_for_each_safe(l, v, &port->list_buf_free.list) {  in saa7164_encoder_buffers_dealloc()
104 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_dealloc()
105 	dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
111 static int saa7164_encoder_buffers_alloc(struct saa7164_port *port)  in saa7164_encoder_buffers_alloc()  argument
113 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_buffers_alloc()
116 	struct tmHWStreamParameters *params = &port->hw_streamingparams;  in saa7164_encoder_buffers_alloc()
122 	if (port->encoder_params.stream_type ==  in saa7164_encoder_buffers_alloc()
133 	if (port->encoder_params.stream_type ==  in saa7164_encoder_buffers_alloc()
151 	params->numpagetableentries = port->hwcfg.buffercount;  in saa7164_encoder_buffers_alloc()
154 	for (i = 0; i < port->hwcfg.buffercount; i++) {  in saa7164_encoder_buffers_alloc()
155 		buf = saa7164_buffer_alloc(port,  in saa7164_encoder_buffers_alloc()
167 			mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
168 			list_add_tail(&buf->list, &port->dmaqueue.list);  in saa7164_encoder_buffers_alloc()
169 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
188 			mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
189 			list_add_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_encoder_buffers_alloc()
190 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
201 static int saa7164_encoder_initialize(struct saa7164_port *port)  in saa7164_encoder_initialize()  argument
203 	saa7164_encoder_configure(port);  in saa7164_encoder_initialize()
208 int saa7164_s_std(struct saa7164_port *port, v4l2_std_id id)  in saa7164_s_std()  argument
210 	struct saa7164_dev *dev = port->dev;  in saa7164_s_std()
222 	port->encodernorm = saa7164_tvnorms[i];  in saa7164_s_std()
223 	port->std = id;  in saa7164_s_std()
228 	saa7164_api_set_audio_std(port);  in saa7164_s_std()
239 	return saa7164_s_std(fh->port, id);  in vidioc_s_std()
242 int saa7164_g_std(struct saa7164_port *port, v4l2_std_id *id)  in saa7164_g_std()  argument
244 	*id = port->std;  in saa7164_g_std()
252 	return saa7164_g_std(fh->port, id);  in vidioc_g_std()
279 int saa7164_g_input(struct saa7164_port *port, unsigned int *i)  in saa7164_g_input()  argument
281 	struct saa7164_dev *dev = port->dev;  in saa7164_g_input()
283 	if (saa7164_api_get_videomux(port) != SAA_OK)  in saa7164_g_input()
286 	*i = (port->mux_input - 1);  in saa7164_g_input()
297 	return saa7164_g_input(fh->port, i);  in vidioc_g_input()
300 int saa7164_s_input(struct saa7164_port *port, unsigned int i)  in saa7164_s_input()  argument
302 	struct saa7164_dev *dev = port->dev;  in saa7164_s_input()
309 	port->mux_input = i + 1;  in saa7164_s_input()
311 	if (saa7164_api_set_videomux(port) != SAA_OK)  in saa7164_s_input()
321 	return saa7164_s_input(fh->port, i);  in vidioc_s_input()
327 	struct saa7164_port *port = fh->port;  in saa7164_g_tuner()  local
328 	struct saa7164_dev *dev = port->dev;  in saa7164_g_tuner()
353 int saa7164_g_frequency(struct saa7164_port *port, struct v4l2_frequency *f)  in saa7164_g_frequency()  argument
358 	f->frequency = port->freq;  in saa7164_g_frequency()
367 	return saa7164_g_frequency(fh->port, f);  in vidioc_g_frequency()
370 int saa7164_s_frequency(struct saa7164_port *port,  in saa7164_s_frequency()  argument
373 	struct saa7164_dev *dev = port->dev;  in saa7164_s_frequency()
381 		.std       = port->encodernorm.id,  in saa7164_s_frequency()
392 	port->freq = clamp(f->frequency,  in saa7164_s_frequency()
396 	if (port->nr == SAA7164_PORT_ENC1)  in saa7164_s_frequency()
398 	else if (port->nr == SAA7164_PORT_ENC2)  in saa7164_s_frequency()
410 	saa7164_encoder_initialize(port);  in saa7164_s_frequency()
420 	return saa7164_s_frequency(fh->port, f);  in vidioc_s_frequency()
425 	struct saa7164_port *port =  in saa7164_s_ctrl()  local
427 	struct saa7164_encoder_params *params = &port->encoder_params;  in saa7164_s_ctrl()
432 		port->ctl_brightness = ctrl->val;  in saa7164_s_ctrl()
433 		saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL);  in saa7164_s_ctrl()
436 		port->ctl_contrast = ctrl->val;  in saa7164_s_ctrl()
437 		saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL);  in saa7164_s_ctrl()
440 		port->ctl_saturation = ctrl->val;  in saa7164_s_ctrl()
441 		saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL);  in saa7164_s_ctrl()
444 		port->ctl_hue = ctrl->val;  in saa7164_s_ctrl()
445 		saa7164_api_set_usercontrol(port, PU_HUE_CONTROL);  in saa7164_s_ctrl()
448 		port->ctl_sharpness = ctrl->val;  in saa7164_s_ctrl()
449 		saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL);  in saa7164_s_ctrl()
452 		port->ctl_volume = ctrl->val;  in saa7164_s_ctrl()
453 		saa7164_api_set_audio_volume(port, port->ctl_volume);  in saa7164_s_ctrl()
463 		ret = saa7164_api_audio_mute(port, params->ctl_mute);  in saa7164_s_ctrl()
472 		ret = saa7164_api_set_aspect_ratio(port);  in saa7164_s_ctrl()
502 	struct saa7164_port *port = fh->port;  in vidioc_querycap()  local
503 	struct saa7164_dev *dev = port->dev;  in vidioc_querycap()
538 	struct saa7164_port *port = fh->port;  in vidioc_fmt_vid_cap()  local
545 	f->fmt.pix.width        = port->width;  in vidioc_fmt_vid_cap()
546 	f->fmt.pix.height       = port->height;  in vidioc_fmt_vid_cap()
550 static int saa7164_encoder_stop_port(struct saa7164_port *port)  in saa7164_encoder_stop_port()  argument
552 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_stop_port()
555 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_stop_port()
568 static int saa7164_encoder_acquire_port(struct saa7164_port *port)  in saa7164_encoder_acquire_port()  argument
570 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_acquire_port()
573 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_encoder_acquire_port()
586 static int saa7164_encoder_pause_port(struct saa7164_port *port)  in saa7164_encoder_pause_port()  argument
588 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_pause_port()
591 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_encoder_pause_port()
610 static int saa7164_encoder_stop_streaming(struct saa7164_port *port)  in saa7164_encoder_stop_streaming()  argument
612 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_stop_streaming()
618 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_stop_streaming()
620 	ret = saa7164_encoder_pause_port(port);  in saa7164_encoder_stop_streaming()
621 	ret = saa7164_encoder_acquire_port(port);  in saa7164_encoder_stop_streaming()
622 	ret = saa7164_encoder_stop_port(port);  in saa7164_encoder_stop_streaming()
625 		port->nr);  in saa7164_encoder_stop_streaming()
628 	mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_stop_streaming()
631 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_encoder_stop_streaming()
637 	list_for_each_safe(c, n, &port->list_buf_used.list) {  in saa7164_encoder_stop_streaming()
640 		list_move_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_encoder_stop_streaming()
643 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_stop_streaming()
646 	saa7164_encoder_buffers_dealloc(port);  in saa7164_encoder_stop_streaming()
648 	dprintk(DBGLVL_ENC, "%s(port=%d) Released\n", __func__, port->nr);  in saa7164_encoder_stop_streaming()
653 static int saa7164_encoder_start_streaming(struct saa7164_port *port)  in saa7164_encoder_start_streaming()  argument
655 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_start_streaming()
658 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_start_streaming()
660 	port->done_first_interrupt = 0;  in saa7164_encoder_start_streaming()
666 	saa7164_encoder_buffers_alloc(port);  in saa7164_encoder_start_streaming()
669 	saa7164_api_set_encoder(port);  in saa7164_encoder_start_streaming()
670 	saa7164_api_get_encoder(port);  in saa7164_encoder_start_streaming()
673 	saa7164_buffer_cfg_port(port);  in saa7164_encoder_start_streaming()
676 	result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_encoder_start_streaming()
682 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
693 	result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_encoder_start_streaming()
699 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
711 	result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN);  in saa7164_encoder_start_streaming()
717 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
734 	struct saa7164_port *port;  in fops_open()  local
737 	port = (struct saa7164_port *)video_get_drvdata(video_devdata(file));  in fops_open()
738 	if (!port)  in fops_open()
741 	dev = port->dev;  in fops_open()
750 	fh->port = port;  in fops_open()
761 	struct saa7164_port *port = fh->port;  in fops_release()  local
762 	struct saa7164_dev *dev = port->dev;  in fops_release()
768 		if (atomic_dec_return(&port->v4l_reader_count) == 0) {  in fops_release()
770 			saa7164_encoder_stop_streaming(port);  in fops_release()
782 saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port)  in saa7164_enc_next_buf()  argument
785 	struct saa7164_dev *dev = port->dev;  in saa7164_enc_next_buf()
788 	mutex_lock(&port->dmaqueue_lock);  in saa7164_enc_next_buf()
789 	if (!list_empty(&port->list_buf_used.list)) {  in saa7164_enc_next_buf()
790 		ubuf = list_first_entry(&port->list_buf_used.list,  in saa7164_enc_next_buf()
804 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_enc_next_buf()
815 	struct saa7164_port *port = fh->port;  in fops_read()  local
817 	struct saa7164_dev *dev = port->dev;  in fops_read()
822 	port->last_read_msecs_diff = port->last_read_msecs;  in fops_read()
823 	port->last_read_msecs = jiffies_to_msecs(jiffies);  in fops_read()
824 	port->last_read_msecs_diff = port->last_read_msecs -  in fops_read()
825 		port->last_read_msecs_diff;  in fops_read()
827 	saa7164_histogram_update(&port->read_interval,  in fops_read()
828 		port->last_read_msecs_diff);  in fops_read()
836 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_read()
838 			if (saa7164_encoder_initialize(port) < 0) {  in fops_read()
843 			saa7164_encoder_start_streaming(port);  in fops_read()
850 		if (wait_event_interruptible(port->wait_read,  in fops_read()
851 			saa7164_enc_next_buf(port))) {  in fops_read()
858 	ubuf = saa7164_enc_next_buf(port);  in fops_read()
896 			mutex_lock(&port->dmaqueue_lock);  in fops_read()
897 			list_move_tail(&ubuf->list, &port->list_buf_free.list);  in fops_read()
898 			mutex_unlock(&port->dmaqueue_lock);  in fops_read()
902 				if (wait_event_interruptible(port->wait_read,  in fops_read()
903 					saa7164_enc_next_buf(port))) {  in fops_read()
907 			ubuf = saa7164_enc_next_buf(port);  in fops_read()
922 	struct saa7164_port *port = fh->port;  in fops_poll()  local
925 	port->last_poll_msecs_diff = port->last_poll_msecs;  in fops_poll()
926 	port->last_poll_msecs = jiffies_to_msecs(jiffies);  in fops_poll()
927 	port->last_poll_msecs_diff = port->last_poll_msecs -  in fops_poll()
928 		port->last_poll_msecs_diff;  in fops_poll()
930 	saa7164_histogram_update(&port->poll_interval,  in fops_poll()
931 		port->last_poll_msecs_diff);  in fops_poll()
937 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_poll()
938 			if (saa7164_encoder_initialize(port) < 0)  in fops_poll()
940 			saa7164_encoder_start_streaming(port);  in fops_poll()
946 	if (!list_empty(&port->list_buf_used.list))  in fops_poll()
994 	struct saa7164_port *port,  in saa7164_encoder_alloc()  argument
1000 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_alloc()
1017 int saa7164_encoder_register(struct saa7164_port *port)  in saa7164_encoder_register()  argument
1019 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_register()
1020 	struct v4l2_ctrl_handler *hdl = &port->ctrl_handler;  in saa7164_encoder_register()
1025 	if (port->type != SAA7164_MPEG_ENCODER)  in saa7164_encoder_register()
1029 	if (port->hwcfg.BARLocation == 0) {  in saa7164_encoder_register()
1039 	port->encodernorm = saa7164_tvnorms[0];  in saa7164_encoder_register()
1040 	port->width = 720;  in saa7164_encoder_register()
1041 	port->mux_input = 1; /* Composite */  in saa7164_encoder_register()
1042 	port->video_format = EU_VIDEO_FORMAT_MPEG_2;  in saa7164_encoder_register()
1043 	port->audio_format = 0;  in saa7164_encoder_register()
1044 	port->video_resolution = 0;  in saa7164_encoder_register()
1045 	port->freq = SAA7164_TV_MIN_FREQ;  in saa7164_encoder_register()
1091 	port->std = V4L2_STD_NTSC_M;  in saa7164_encoder_register()
1093 	if (port->encodernorm.id & V4L2_STD_525_60)  in saa7164_encoder_register()
1094 		port->height = 480;  in saa7164_encoder_register()
1096 		port->height = 576;  in saa7164_encoder_register()
1099 	port->v4l_device = saa7164_encoder_alloc(port,  in saa7164_encoder_register()
1102 	if (!port->v4l_device) {  in saa7164_encoder_register()
1109 	port->v4l_device->ctrl_handler = hdl;  in saa7164_encoder_register()
1111 	video_set_drvdata(port->v4l_device, port);  in saa7164_encoder_register()
1112 	result = video_register_device(port->v4l_device,  in saa7164_encoder_register()
1124 		dev->name, port->v4l_device->num);  in saa7164_encoder_register()
1127 	saa7164_api_set_videomux(port);  in saa7164_encoder_register()
1128 	saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL);  in saa7164_encoder_register()
1129 	saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL);  in saa7164_encoder_register()
1130 	saa7164_api_set_usercontrol(port, PU_HUE_CONTROL);  in saa7164_encoder_register()
1131 	saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL);  in saa7164_encoder_register()
1132 	saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL);  in saa7164_encoder_register()
1133 	saa7164_api_audio_mute(port, 0);  in saa7164_encoder_register()
1134 	saa7164_api_set_audio_volume(port, 20);  in saa7164_encoder_register()
1135 	saa7164_api_set_aspect_ratio(port);  in saa7164_encoder_register()
1138 	saa7164_api_set_audio_detection(port, 0);  in saa7164_encoder_register()
1140 	saa7164_api_set_encoder(port);  in saa7164_encoder_register()
1141 	saa7164_api_get_encoder(port);  in saa7164_encoder_register()
1148 void saa7164_encoder_unregister(struct saa7164_port *port)  in saa7164_encoder_unregister()  argument
1150 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_unregister()
1152 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_unregister()
1154 	if (port->type != SAA7164_MPEG_ENCODER)  in saa7164_encoder_unregister()
1157 	if (port->v4l_device) {  in saa7164_encoder_unregister()
1158 		if (port->v4l_device->minor != -1)  in saa7164_encoder_unregister()
1159 			video_unregister_device(port->v4l_device);  in saa7164_encoder_unregister()
1161 			video_device_release(port->v4l_device);  in saa7164_encoder_unregister()
1163 		port->v4l_device = NULL;  in saa7164_encoder_unregister()
1165 	v4l2_ctrl_handler_free(&port->ctrl_handler);  in saa7164_encoder_unregister()
1167 	dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr);  in saa7164_encoder_unregister()