59 static void saa7164_encoder_configure(struct saa7164_port *port)  in saa7164_encoder_configure()  argument
61 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_configure()
64 	port->encoder_params.width = port->width;  in saa7164_encoder_configure()
65 	port->encoder_params.height = port->height;  in saa7164_encoder_configure()
66 	port->encoder_params.is_50hz =  in saa7164_encoder_configure()
67 		(port->encodernorm.id & V4L2_STD_625_50) != 0;  in saa7164_encoder_configure()
70 	saa7164_api_initialize_dif(port);  in saa7164_encoder_configure()
73 	saa7164_api_configure_dif(port, port->encodernorm.id);  in saa7164_encoder_configure()
76 	saa7164_api_set_audio_std(port);  in saa7164_encoder_configure()
79 static int saa7164_encoder_buffers_dealloc(struct saa7164_port *port)  in saa7164_encoder_buffers_dealloc()  argument
82 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_buffers_dealloc()
87 	mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_dealloc()
89 	dprintk(DBGLVL_ENC, "%s(port=%d) dmaqueue\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
90 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_encoder_buffers_dealloc()
96 	dprintk(DBGLVL_ENC, "%s(port=%d) used\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
97 	list_for_each_safe(p, q, &port->list_buf_used.list) {  in saa7164_encoder_buffers_dealloc()
103 	dprintk(DBGLVL_ENC, "%s(port=%d) free\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
104 	list_for_each_safe(l, v, &port->list_buf_free.list) {  in saa7164_encoder_buffers_dealloc()
110 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_dealloc()
111 	dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr);  in saa7164_encoder_buffers_dealloc()
117 static int saa7164_encoder_buffers_alloc(struct saa7164_port *port)  in saa7164_encoder_buffers_alloc()  argument
119 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_buffers_alloc()
122 	struct tmHWStreamParameters *params = &port->hw_streamingparams;  in saa7164_encoder_buffers_alloc()
128 	if (port->encoder_params.stream_type ==  in saa7164_encoder_buffers_alloc()
139 	if (port->encoder_params.stream_type ==  in saa7164_encoder_buffers_alloc()
157 	params->numpagetableentries = port->hwcfg.buffercount;  in saa7164_encoder_buffers_alloc()
160 	for (i = 0; i < port->hwcfg.buffercount; i++) {  in saa7164_encoder_buffers_alloc()
161 		buf = saa7164_buffer_alloc(port,  in saa7164_encoder_buffers_alloc()
173 			mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
174 			list_add_tail(&buf->list, &port->dmaqueue.list);  in saa7164_encoder_buffers_alloc()
175 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
194 			mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
195 			list_add_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_encoder_buffers_alloc()
196 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_buffers_alloc()
207 static int saa7164_encoder_initialize(struct saa7164_port *port)  in saa7164_encoder_initialize()  argument
209 	saa7164_encoder_configure(port);  in saa7164_encoder_initialize()
217 	struct saa7164_port *port = fh->port;  in vidioc_s_std()  local
218 	struct saa7164_dev *dev = port->dev;  in vidioc_s_std()
230 	port->encodernorm = saa7164_tvnorms[i];  in vidioc_s_std()
231 	port->std = id;  in vidioc_s_std()
236 	saa7164_api_set_audio_std(port);  in vidioc_s_std()
246 	struct saa7164_port *port = fh->port;  in vidioc_g_std()  local
248 	*id = port->std;  in vidioc_g_std()
279 	struct saa7164_port *port = fh->port;  in vidioc_g_input()  local
280 	struct saa7164_dev *dev = port->dev;  in vidioc_g_input()
282 	if (saa7164_api_get_videomux(port) != SAA_OK)  in vidioc_g_input()
285 	*i = (port->mux_input - 1);  in vidioc_g_input()
295 	struct saa7164_port *port = fh->port;  in vidioc_s_input()  local
296 	struct saa7164_dev *dev = port->dev;  in vidioc_s_input()
303 	port->mux_input = i + 1;  in vidioc_s_input()
305 	if (saa7164_api_set_videomux(port) != SAA_OK)  in vidioc_s_input()
315 	struct saa7164_port *port = fh->port;  in vidioc_g_tuner()  local
316 	struct saa7164_dev *dev = port->dev;  in vidioc_g_tuner()
341 	struct saa7164_port *port = fh->port;  in vidioc_g_frequency()  local
344 	f->frequency = port->freq;  in vidioc_g_frequency()
353 	struct saa7164_port *port = fh->port;  in vidioc_s_frequency()  local
354 	struct saa7164_dev *dev = port->dev;  in vidioc_s_frequency()
362 		.std       = port->encodernorm.id,  in vidioc_s_frequency()
376 	port->freq = f->frequency;  in vidioc_s_frequency()
379 	if (port->nr == SAA7164_PORT_ENC1)  in vidioc_s_frequency()
382 	if (port->nr == SAA7164_PORT_ENC2)  in vidioc_s_frequency()
394 	saa7164_encoder_initialize(port);  in vidioc_s_frequency()
403 	struct saa7164_port *port = fh->port;  in vidioc_g_ctrl()  local
404 	struct saa7164_dev *dev = port->dev;  in vidioc_g_ctrl()
411 		ctl->value = port->ctl_brightness;  in vidioc_g_ctrl()
414 		ctl->value = port->ctl_contrast;  in vidioc_g_ctrl()
417 		ctl->value = port->ctl_saturation;  in vidioc_g_ctrl()
420 		ctl->value = port->ctl_hue;  in vidioc_g_ctrl()
423 		ctl->value = port->ctl_sharpness;  in vidioc_g_ctrl()
426 		ctl->value = port->ctl_volume;  in vidioc_g_ctrl()
439 	struct saa7164_port *port = fh->port;  in vidioc_s_ctrl()  local
440 	struct saa7164_dev *dev = port->dev;  in vidioc_s_ctrl()
449 			port->ctl_brightness = ctl->value;  in vidioc_s_ctrl()
450 			saa7164_api_set_usercontrol(port,  in vidioc_s_ctrl()
457 			port->ctl_contrast = ctl->value;  in vidioc_s_ctrl()
458 			saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL);  in vidioc_s_ctrl()
464 			port->ctl_saturation = ctl->value;  in vidioc_s_ctrl()
465 			saa7164_api_set_usercontrol(port,  in vidioc_s_ctrl()
472 			port->ctl_hue = ctl->value;  in vidioc_s_ctrl()
473 			saa7164_api_set_usercontrol(port, PU_HUE_CONTROL);  in vidioc_s_ctrl()
479 			port->ctl_sharpness = ctl->value;  in vidioc_s_ctrl()
480 			saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL);  in vidioc_s_ctrl()
486 			port->ctl_volume = ctl->value;  in vidioc_s_ctrl()
487 			saa7164_api_set_audio_volume(port, port->ctl_volume);  in vidioc_s_ctrl()
498 static int saa7164_get_ctrl(struct saa7164_port *port,  in saa7164_get_ctrl()  argument
501 	struct saa7164_encoder_params *params = &port->encoder_params;  in saa7164_get_ctrl()
538 	struct saa7164_port *port = fh->port;  in vidioc_g_ext_ctrls()  local
545 			err = saa7164_get_ctrl(port, ctrl);  in vidioc_g_ext_ctrls()
631 static int saa7164_set_ctrl(struct saa7164_port *port,  in saa7164_set_ctrl()  argument
634 	struct saa7164_encoder_params *params = &port->encoder_params;  in saa7164_set_ctrl()
646 		ret = saa7164_api_audio_mute(port, params->ctl_mute);  in saa7164_set_ctrl()
655 		ret = saa7164_api_set_aspect_ratio(port);  in saa7164_set_ctrl()
687 	struct saa7164_port *port = fh->port;  in vidioc_s_ext_ctrls()  local
699 			err = saa7164_set_ctrl(port, ctrl);  in vidioc_s_ext_ctrls()
716 	struct saa7164_port *port = fh->port;  in vidioc_querycap()  local
717 	struct saa7164_dev *dev = port->dev;  in vidioc_querycap()
752 	struct saa7164_port *port = fh->port;  in vidioc_g_fmt_vid_cap()  local
753 	struct saa7164_dev *dev = port->dev;  in vidioc_g_fmt_vid_cap()
758 		port->ts_packet_size * port->ts_packet_count;  in vidioc_g_fmt_vid_cap()
760 	f->fmt.pix.width        = port->width;  in vidioc_g_fmt_vid_cap()
761 	f->fmt.pix.height       = port->height;  in vidioc_g_fmt_vid_cap()
764 		port->width, port->height);  in vidioc_g_fmt_vid_cap()
773 	struct saa7164_port *port = fh->port;  in vidioc_try_fmt_vid_cap()  local
774 	struct saa7164_dev *dev = port->dev;  in vidioc_try_fmt_vid_cap()
779 		port->ts_packet_size * port->ts_packet_count;  in vidioc_try_fmt_vid_cap()
782 		port->width, port->height);  in vidioc_try_fmt_vid_cap()
790 	struct saa7164_port *port = fh->port;  in vidioc_s_fmt_vid_cap()  local
791 	struct saa7164_dev *dev = port->dev;  in vidioc_s_fmt_vid_cap()
796 		port->ts_packet_size * port->ts_packet_count;  in vidioc_s_fmt_vid_cap()
860 	struct saa7164_port *port = fh->port;  in vidioc_queryctrl()  local
878 			return fill_queryctrl(&port->encoder_params, c);  in vidioc_queryctrl()
887 static int saa7164_encoder_stop_port(struct saa7164_port *port)  in saa7164_encoder_stop_port()  argument
889 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_stop_port()
892 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_stop_port()
905 static int saa7164_encoder_acquire_port(struct saa7164_port *port)  in saa7164_encoder_acquire_port()  argument
907 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_acquire_port()
910 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_encoder_acquire_port()
923 static int saa7164_encoder_pause_port(struct saa7164_port *port)  in saa7164_encoder_pause_port()  argument
925 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_pause_port()
928 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_encoder_pause_port()
947 static int saa7164_encoder_stop_streaming(struct saa7164_port *port)  in saa7164_encoder_stop_streaming()  argument
949 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_stop_streaming()
955 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_stop_streaming()
957 	ret = saa7164_encoder_pause_port(port);  in saa7164_encoder_stop_streaming()
958 	ret = saa7164_encoder_acquire_port(port);  in saa7164_encoder_stop_streaming()
959 	ret = saa7164_encoder_stop_port(port);  in saa7164_encoder_stop_streaming()
962 		port->nr);  in saa7164_encoder_stop_streaming()
965 	mutex_lock(&port->dmaqueue_lock);  in saa7164_encoder_stop_streaming()
968 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_encoder_stop_streaming()
974 	list_for_each_safe(c, n, &port->list_buf_used.list) {  in saa7164_encoder_stop_streaming()
977 		list_move_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_encoder_stop_streaming()
980 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_encoder_stop_streaming()
983 	saa7164_encoder_buffers_dealloc(port);  in saa7164_encoder_stop_streaming()
985 	dprintk(DBGLVL_ENC, "%s(port=%d) Released\n", __func__, port->nr);  in saa7164_encoder_stop_streaming()
990 static int saa7164_encoder_start_streaming(struct saa7164_port *port)  in saa7164_encoder_start_streaming()  argument
992 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_start_streaming()
995 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_start_streaming()
997 	port->done_first_interrupt = 0;  in saa7164_encoder_start_streaming()
1003 	saa7164_encoder_buffers_alloc(port);  in saa7164_encoder_start_streaming()
1006 	saa7164_api_set_encoder(port);  in saa7164_encoder_start_streaming()
1007 	saa7164_api_get_encoder(port);  in saa7164_encoder_start_streaming()
1010 	saa7164_buffer_cfg_port(port);  in saa7164_encoder_start_streaming()
1013 	result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_encoder_start_streaming()
1019 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
1030 	result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_encoder_start_streaming()
1036 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
1048 	result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN);  in saa7164_encoder_start_streaming()
1054 		result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_encoder_start_streaming()
1071 	struct saa7164_port *port;  in fops_open()  local
1074 	port = (struct saa7164_port *)video_get_drvdata(video_devdata(file));  in fops_open()
1075 	if (!port)  in fops_open()
1078 	dev = port->dev;  in fops_open()
1088 	fh->port = port;  in fops_open()
1096 	struct saa7164_port *port = fh->port;  in fops_release()  local
1097 	struct saa7164_dev *dev = port->dev;  in fops_release()
1103 		if (atomic_dec_return(&port->v4l_reader_count) == 0) {  in fops_release()
1105 			saa7164_encoder_stop_streaming(port);  in fops_release()
1116 saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port)  in saa7164_enc_next_buf()  argument
1119 	struct saa7164_dev *dev = port->dev;  in saa7164_enc_next_buf()
1122 	mutex_lock(&port->dmaqueue_lock);  in saa7164_enc_next_buf()
1123 	if (!list_empty(&port->list_buf_used.list)) {  in saa7164_enc_next_buf()
1124 		ubuf = list_first_entry(&port->list_buf_used.list,  in saa7164_enc_next_buf()
1138 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_enc_next_buf()
1149 	struct saa7164_port *port = fh->port;  in fops_read()  local
1151 	struct saa7164_dev *dev = port->dev;  in fops_read()
1156 	port->last_read_msecs_diff = port->last_read_msecs;  in fops_read()
1157 	port->last_read_msecs = jiffies_to_msecs(jiffies);  in fops_read()
1158 	port->last_read_msecs_diff = port->last_read_msecs -  in fops_read()
1159 		port->last_read_msecs_diff;  in fops_read()
1161 	saa7164_histogram_update(&port->read_interval,  in fops_read()
1162 		port->last_read_msecs_diff);  in fops_read()
1170 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_read()
1172 			if (saa7164_encoder_initialize(port) < 0) {  in fops_read()
1177 			saa7164_encoder_start_streaming(port);  in fops_read()
1184 		if (wait_event_interruptible(port->wait_read,  in fops_read()
1185 			saa7164_enc_next_buf(port))) {  in fops_read()
1192 	ubuf = saa7164_enc_next_buf(port);  in fops_read()
1230 			mutex_lock(&port->dmaqueue_lock);  in fops_read()
1231 			list_move_tail(&ubuf->list, &port->list_buf_free.list);  in fops_read()
1232 			mutex_unlock(&port->dmaqueue_lock);  in fops_read()
1236 				if (wait_event_interruptible(port->wait_read,  in fops_read()
1237 					saa7164_enc_next_buf(port))) {  in fops_read()
1241 			ubuf = saa7164_enc_next_buf(port);  in fops_read()
1255 	struct saa7164_port *port = fh->port;  in fops_poll()  local
1258 	port->last_poll_msecs_diff = port->last_poll_msecs;  in fops_poll()
1259 	port->last_poll_msecs = jiffies_to_msecs(jiffies);  in fops_poll()
1260 	port->last_poll_msecs_diff = port->last_poll_msecs -  in fops_poll()
1261 		port->last_poll_msecs_diff;  in fops_poll()
1263 	saa7164_histogram_update(&port->poll_interval,  in fops_poll()
1264 		port->last_poll_msecs_diff);  in fops_poll()
1266 	if (!video_is_registered(port->v4l_device))  in fops_poll()
1270 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_poll()
1271 			if (saa7164_encoder_initialize(port) < 0)  in fops_poll()
1273 			saa7164_encoder_start_streaming(port);  in fops_poll()
1280 		if (wait_event_interruptible(port->wait_read,  in fops_poll()
1281 			saa7164_enc_next_buf(port))) {  in fops_poll()
1287 	if (!list_empty(&port->list_buf_used.list))  in fops_poll()
1334 	struct saa7164_port *port,  in saa7164_encoder_alloc()  argument
1340 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_alloc()
1357 int saa7164_encoder_register(struct saa7164_port *port)  in saa7164_encoder_register()  argument
1359 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_register()
1364 	if (port->type != SAA7164_MPEG_ENCODER)  in saa7164_encoder_register()
1368 	if (port->hwcfg.BARLocation == 0) {  in saa7164_encoder_register()
1378 	port->encodernorm = saa7164_tvnorms[0];  in saa7164_encoder_register()
1379 	port->width = 720;  in saa7164_encoder_register()
1380 	port->mux_input = 1; /* Composite */  in saa7164_encoder_register()
1381 	port->video_format = EU_VIDEO_FORMAT_MPEG_2;  in saa7164_encoder_register()
1382 	port->audio_format = 0;  in saa7164_encoder_register()
1383 	port->video_resolution = 0;  in saa7164_encoder_register()
1384 	port->ctl_brightness = 127;  in saa7164_encoder_register()
1385 	port->ctl_contrast = 66;  in saa7164_encoder_register()
1386 	port->ctl_hue = 128;  in saa7164_encoder_register()
1387 	port->ctl_saturation = 62;  in saa7164_encoder_register()
1388 	port->ctl_sharpness = 8;  in saa7164_encoder_register()
1389 	port->encoder_params.bitrate = ENCODER_DEF_BITRATE;  in saa7164_encoder_register()
1390 	port->encoder_params.bitrate_peak = ENCODER_DEF_BITRATE;  in saa7164_encoder_register()
1391 	port->encoder_params.bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;  in saa7164_encoder_register()
1392 	port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS;  in saa7164_encoder_register()
1393 	port->encoder_params.ctl_mute = 0;  in saa7164_encoder_register()
1394 	port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3;  in saa7164_encoder_register()
1395 	port->encoder_params.refdist = 1;  in saa7164_encoder_register()
1396 	port->encoder_params.gop_size = SAA7164_ENCODER_DEFAULT_GOP_SIZE;  in saa7164_encoder_register()
1397 	port->std = V4L2_STD_NTSC_M;  in saa7164_encoder_register()
1399 	if (port->encodernorm.id & V4L2_STD_525_60)  in saa7164_encoder_register()
1400 		port->height = 480;  in saa7164_encoder_register()
1402 		port->height = 576;  in saa7164_encoder_register()
1405 	port->v4l_device = saa7164_encoder_alloc(port,  in saa7164_encoder_register()
1408 	if (!port->v4l_device) {  in saa7164_encoder_register()
1415 	video_set_drvdata(port->v4l_device, port);  in saa7164_encoder_register()
1416 	result = video_register_device(port->v4l_device,  in saa7164_encoder_register()
1428 		dev->name, port->v4l_device->num);  in saa7164_encoder_register()
1431 	saa7164_api_set_videomux(port);  in saa7164_encoder_register()
1432 	saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL);  in saa7164_encoder_register()
1433 	saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL);  in saa7164_encoder_register()
1434 	saa7164_api_set_usercontrol(port, PU_HUE_CONTROL);  in saa7164_encoder_register()
1435 	saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL);  in saa7164_encoder_register()
1436 	saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL);  in saa7164_encoder_register()
1437 	saa7164_api_audio_mute(port, 0);  in saa7164_encoder_register()
1438 	saa7164_api_set_audio_volume(port, 20);  in saa7164_encoder_register()
1439 	saa7164_api_set_aspect_ratio(port);  in saa7164_encoder_register()
1442 	saa7164_api_set_audio_detection(port, 0);  in saa7164_encoder_register()
1444 	saa7164_api_set_encoder(port);  in saa7164_encoder_register()
1445 	saa7164_api_get_encoder(port);  in saa7164_encoder_register()
1452 void saa7164_encoder_unregister(struct saa7164_port *port)  in saa7164_encoder_unregister()  argument
1454 	struct saa7164_dev *dev = port->dev;  in saa7164_encoder_unregister()
1456 	dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr);  in saa7164_encoder_unregister()
1458 	if (port->type != SAA7164_MPEG_ENCODER)  in saa7164_encoder_unregister()
1461 	if (port->v4l_device) {  in saa7164_encoder_unregister()
1462 		if (port->v4l_device->minor != -1)  in saa7164_encoder_unregister()
1463 			video_unregister_device(port->v4l_device);  in saa7164_encoder_unregister()
1465 			video_device_release(port->v4l_device);  in saa7164_encoder_unregister()
1467 		port->v4l_device = NULL;  in saa7164_encoder_unregister()
1470 	dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr);  in saa7164_encoder_unregister()