Exemplo n.º 1
0
static void flexcop_usb_urb_complete(struct urb *urb)
{
	struct flexcop_usb *fc_usb = urb->context;
	int i;

	if (urb->actual_length > 0)
		deb_ts("urb completed, bufsize: %d actlen; %d\n",
			urb->transfer_buffer_length, urb->actual_length);

	for (i = 0; i < urb->number_of_packets; i++) {
		if (urb->iso_frame_desc[i].status < 0) {
			err("iso frame descriptor %d has an error: %d\n", i,
				urb->iso_frame_desc[i].status);
		} else
			if (urb->iso_frame_desc[i].actual_length > 0) {
				deb_ts("passed %d bytes to the demux\n",
					urb->iso_frame_desc[i].actual_length);

				flexcop_usb_process_frame(fc_usb,
					urb->transfer_buffer +
						urb->iso_frame_desc[i].offset,
					urb->iso_frame_desc[i].actual_length);
			}
		urb->iso_frame_desc[i].status = 0;
		urb->iso_frame_desc[i].actual_length = 0;
	}
	usb_submit_urb(urb,GFP_ATOMIC);
}
Exemplo n.º 2
0
/* URB stuff for streaming */
static void dvb_usb_urb_complete(struct urb *urb, struct pt_regs *ptregs)
{
	struct dvb_usb_device *d = urb->context;
	int ptype = usb_pipetype(urb->pipe);
	int i;
	u8 *b;

	deb_ts("'%s' urb completed. feedcount: %d, status: %d, length: %d/%d, pack_num: %d, errors: %d\n",
			ptype == PIPE_ISOCHRONOUS ? "isoc" : "bulk", d->feedcount,
			urb->status,urb->actual_length,urb->transfer_buffer_length,
			urb->number_of_packets,urb->error_count);

	switch (urb->status) {
		case 0:         /* success */
		case -ETIMEDOUT:    /* NAK */
			break;
		case -ECONNRESET:   /* kill */
		case -ENOENT:
		case -ESHUTDOWN:
			return;
		default:        /* error */
			deb_ts("urb completition error %d.", urb->status);
			break;
	}

	if (d->feedcount > 0) {
		if (d->state & DVB_USB_STATE_DVB) {
			switch (ptype) {
				case PIPE_ISOCHRONOUS:
					b = (u8 *) urb->transfer_buffer;
					for (i = 0; i < urb->number_of_packets; i++) {
						if (urb->iso_frame_desc[i].status != 0)
							deb_ts("iso frame descriptor has an error: %d\n",urb->iso_frame_desc[i].status);
						else if (urb->iso_frame_desc[i].actual_length > 0) {
								dvb_dmx_swfilter(&d->demux,b + urb->iso_frame_desc[i].offset,
										urb->iso_frame_desc[i].actual_length);
							}
						urb->iso_frame_desc[i].status = 0;
						urb->iso_frame_desc[i].actual_length = 0;
					}
					debug_dump(b,20,deb_ts);
					break;
				case PIPE_BULK:
					if (urb->actual_length > 0)
						dvb_dmx_swfilter(&d->demux, (u8 *) urb->transfer_buffer,urb->actual_length);
					break;
				default:
					err("unkown endpoint type in completition handler.");
					return;
			}
		}
	}

	usb_submit_urb(urb,GFP_ATOMIC);
}
Exemplo n.º 3
0
static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb,
	u8 *buffer, int buffer_length)
{
	u8 *b;
	int l;

	deb_ts("tmp_buffer_length=%d, buffer_length=%d\n",
		fc_usb->tmp_buffer_length, buffer_length);

	if (fc_usb->tmp_buffer_length > 0) {
		memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer,
				buffer_length);
		fc_usb->tmp_buffer_length += buffer_length;
		b = fc_usb->tmp_buffer;
		l = fc_usb->tmp_buffer_length;
	} else {
		b=buffer;
		l=buffer_length;
	}

	while (l >= 190) {
		if (*b == 0xff) {
			switch (*(b+1) & 0x03) {
			case 0x01: /* media packet */
				if (*(b+2) == 0x47)
					flexcop_pass_dmx_packets(
							fc_usb->fc_dev, b+2, 1);
				else
					deb_ts(
					"not ts packet %02x %02x %02x %02x \n",
						*(b+2), *(b+3),
						*(b+4), *(b+5));
				b += 190;
				l -= 190;
				break;
			default:
				deb_ts("wrong packet type\n");
				l = 0;
				break;
			}
		} else {
			deb_ts("wrong header\n");
			l = 0;
		}
	}

	if (l>0)
		memcpy(fc_usb->tmp_buffer, b, l);
	fc_usb->tmp_buffer_length = l;
}
Exemplo n.º 4
0
/* URB stuff for streaming */
static void usb_urb_complete(struct urb *urb)
{
	struct usb_data_stream *stream = urb->context;
	int ptype = usb_pipetype(urb->pipe);
	int i;
	u8 *b;

	deb_uxfer("'%s' urb completed. status: %d, length: %d/%d, pack_num: %d, errors: %d\n",
		ptype == PIPE_ISOCHRONOUS ? "isoc" : "bulk",
		urb->status,urb->actual_length,urb->transfer_buffer_length,
		urb->number_of_packets,urb->error_count);

	switch (urb->status) {
		case 0:         /* success */
		case -ETIMEDOUT:    /* NAK */
			break;
		case -ECONNRESET:   /* kill */
		case -ENOENT:
		case -ESHUTDOWN:
			return;
		default:        /* error */
			deb_ts("urb completition error %d.\n", urb->status);
			break;
	}

	b = (u8 *) urb->transfer_buffer;
	switch (ptype) {
		case PIPE_ISOCHRONOUS:
			for (i = 0; i < urb->number_of_packets; i++) {

				if (urb->iso_frame_desc[i].status != 0)
					deb_ts("iso frame descriptor has an error: %d\n",urb->iso_frame_desc[i].status);
				else if (urb->iso_frame_desc[i].actual_length > 0)
					stream->complete(stream, b + urb->iso_frame_desc[i].offset, urb->iso_frame_desc[i].actual_length);

				urb->iso_frame_desc[i].status = 0;
				urb->iso_frame_desc[i].actual_length = 0;
			}
			debug_dump(b,20,deb_uxfer);
			break;
		case PIPE_BULK:
			if (urb->actual_length > 0)
				stream->complete(stream, b, urb->actual_length);
			break;
		default:
			err("unkown endpoint type in completition handler.");
			return;
	}
	usb_submit_urb(urb,GFP_ATOMIC);
}
Exemplo n.º 5
0
static void flexcop_pid_control(struct flexcop_device *fc, int index, u16 pid,int onoff)
{
	if (pid == 0x2000)
		return;

	deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid,pid,index,onoff ? "on" : "off");

	/* We could use bit magic here to reduce source code size.
	 * I decided against it, but to use the real register names */
	switch (index) {
		case 0: flexcop_pid_Stream1_PID_ctrl(fc,pid,onoff); break;
		case 1: flexcop_pid_Stream2_PID_ctrl(fc,pid,onoff); break;
		case 2: flexcop_pid_PCR_PID_ctrl(fc,pid,onoff); break;
		case 3: flexcop_pid_PMT_PID_ctrl(fc,pid,onoff); break;
		case 4: flexcop_pid_EMM_PID_ctrl(fc,pid,onoff); break;
		case 5:	flexcop_pid_ECM_PID_ctrl(fc,pid,onoff); break;
		default:
			if (fc->has_32_hw_pid_filter && index < 38) {
				flexcop_ibi_value vpid,vid;

				/* set the index */
				vid = fc->read_ibi_reg(fc,index_reg_310);
				vid.index_reg_310.index_reg = index - 6;
				fc->write_ibi_reg(fc,index_reg_310, vid);

				vpid = fc->read_ibi_reg(fc,pid_n_reg_314);
				vpid.pid_n_reg_314.PID = onoff ? pid : 0x1fff;
				vpid.pid_n_reg_314.PID_enable_bit = onoff;
				fc->write_ibi_reg(fc,pid_n_reg_314, vpid);
			}
			break;
	}
}
Exemplo n.º 6
0
static void b2c2_urb_complete(struct urb *urb, struct pt_regs *ptregs)
{
	struct usb_b2c2_usb *b2c2 = urb->context;
	deb_ts("urb completed, bufsize: %d\n",urb->transfer_buffer_length);

//	urb_submit_urb(urb,GFP_ATOMIC); enable for real action
}
static int flexcop_toggle_fullts_streaming(struct flexcop_device *fc, int onoff)
{
	if (fc->fullts_streaming_state != onoff) {
		deb_ts("%s full TS transfer\n",onoff ? "enabling" : "disabling");
		flexcop_pid_group_filter(fc, 0, 0x1fe0 * (!onoff));
		flexcop_pid_group_filter_ctrl(fc, onoff);
		fc->fullts_streaming_state = onoff;
	}
	return 0;
}
Exemplo n.º 8
0
int usb_urb_kill(struct usb_data_stream *stream)
{
	int i;
	for (i = 0; i < stream->urbs_submitted; i++) {
		deb_ts("killing URB no. %d.\n",i);

		/* stop the URB */
		usb_kill_urb(stream->urb_list[i]);
	}
	stream->urbs_submitted = 0;
	return 0;
}
Exemplo n.º 9
0
int dvb_usb_urb_kill(struct dvb_usb_device *d)
{
	int i;
	for (i = 0; i < d->urbs_submitted; i++) {
		deb_ts("killing URB no. %d.\n",i);

		/* stop the URB */
		usb_kill_urb(d->urb_list[i]);
	}
	d->urbs_submitted = 0;
	return 0;
}
Exemplo n.º 10
0
int dvb_usb_urb_submit(struct dvb_usb_device *d)
{
	int i,ret;
	for (i = 0; i < d->urbs_initialized; i++) {
		deb_ts("submitting URB no. %d\n",i);
		if ((ret = usb_submit_urb(d->urb_list[i],GFP_ATOMIC))) {
			err("could not submit URB no. %d - get them all back",i);
			dvb_usb_urb_kill(d);
			return ret;
		}
		d->urbs_submitted++;
	}
	return 0;
}
Exemplo n.º 11
0
int usb_urb_submit(struct usb_data_stream *stream)
{
	int i,ret;
	for (i = 0; i < stream->urbs_initialized; i++) {
		deb_ts("submitting URB no. %d\n",i);
		if ((ret = usb_submit_urb(stream->urb_list[i],GFP_ATOMIC))) {
			err("could not submit URB no. %d - get them all back",i);
			usb_urb_kill(stream);
			return ret;
		}
		stream->urbs_submitted++;
	}
	return 0;
}
Exemplo n.º 12
0
static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
{
	int i;
	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
		if (fc_usb->iso_urb[i] != NULL) {
			deb_ts("unlinking/killing urb no. %d\n",i);
			usb_kill_urb(fc_usb->iso_urb[i]);
			usb_free_urb(fc_usb->iso_urb[i]);
		}

	if (fc_usb->iso_buffer != NULL)
		pci_free_consistent(NULL,
			fc_usb->buffer_size, fc_usb->iso_buffer,
			fc_usb->dma_addr);
}
static void flexcop_pid_control(struct flexcop_device *fc,
		int index, u16 pid, int onoff)
{
	if (pid == 0x2000)
		return;

	deb_ts("setting pid: %5d %04x at index %d '%s'\n",
			pid, pid, index, onoff ? "on" : "off");

	switch (index) {
	case 0:
		flexcop_pid_Stream1_PID_ctrl(fc, pid, onoff);
		break;
	case 1:
		flexcop_pid_Stream2_PID_ctrl(fc, pid, onoff);
		break;
	case 2:
		flexcop_pid_PCR_PID_ctrl(fc, pid, onoff);
		break;
	case 3:
		flexcop_pid_PMT_PID_ctrl(fc, pid, onoff);
		break;
	case 4:
		flexcop_pid_EMM_PID_ctrl(fc, pid, onoff);
		break;
	case 5:
		flexcop_pid_ECM_PID_ctrl(fc, pid, onoff);
		break;
	default:
		if (fc->has_32_hw_pid_filter && index < 38) {
			flexcop_ibi_value vpid, vid;

			
			vid = fc->read_ibi_reg(fc, index_reg_310);
			vid.index_reg_310.index_reg = index - 6;
			fc->write_ibi_reg(fc, index_reg_310, vid);

			vpid = fc->read_ibi_reg(fc, pid_n_reg_314);
			vpid.pid_n_reg_314.PID = onoff ? pid : 0x1fff;
			vpid.pid_n_reg_314.PID_enable_bit = onoff;
			fc->write_ibi_reg(fc, pid_n_reg_314, vpid);
		}
		break;
	}
}
Exemplo n.º 14
0
static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
{
	u16 frame_size = le16_to_cpu(
		fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize);
	int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO *
		frame_size, i, j, ret;
	int buffer_offset = 0;

	deb_ts("creating %d iso-urbs with %d frames "
			"each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB,
			B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize);

	fc_usb->iso_buffer = pci_alloc_consistent(NULL,
			bufsize, &fc_usb->dma_addr);
	if (fc_usb->iso_buffer == NULL)
		return -ENOMEM;

	memset(fc_usb->iso_buffer, 0, bufsize);
	fc_usb->buffer_size = bufsize;

	/* creating iso urbs */
	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
		fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,
			GFP_ATOMIC);
		if (fc_usb->iso_urb[i] == NULL) {
			ret = -ENOMEM;
			goto urb_error;
		}
	}

	/* initialising and submitting iso urbs */
	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
		int frame_offset = 0;
		struct urb *urb = fc_usb->iso_urb[i];
		deb_ts("initializing and submitting urb no. %d "
			"(buf_offset: %d).\n", i, buffer_offset);

		urb->dev = fc_usb->udev;
		urb->context = fc_usb;
		urb->complete = flexcop_usb_urb_complete;
		urb->pipe = B2C2_USB_DATA_PIPE;
		urb->transfer_flags = URB_ISO_ASAP;
		urb->interval = 1;
		urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO;
		urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO;
		urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset;

		buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
		for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
			deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",
					i, j, frame_offset);
			urb->iso_frame_desc[j].offset = frame_offset;
			urb->iso_frame_desc[j].length = frame_size;
			frame_offset += frame_size;
		}

		if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) {
			err("submitting urb %d failed with %d.", i, ret);
			goto urb_error;
		}
		deb_ts("submitted urb no. %d.\n",i);
	}

	/* SRAM */
	flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA |
			FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI,
			FC_SRAM_DEST_TARGET_WAN_USB);
	flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS);
	flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1);
	return 0;

urb_error:
	flexcop_usb_transfer_exit(fc_usb);
	return ret;
}
Exemplo n.º 15
0
static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
{
	deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type);
	return dvb_usb_ctrl_feed(dvbdmxfeed,0);
}
Exemplo n.º 16
0
/* does the complete input transfer handling */
static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
{
	struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
	int newfeedcount, ret;

	if (adap == NULL)
		return -ENODEV;

	if ((adap->active_fe < 0) ||
	    (adap->active_fe >= adap->num_frontends_initialized)) {
		return -EINVAL;
	}

	newfeedcount = adap->feedcount + (onoff ? 1 : -1);

	/* stop feed before setting a new pid if there will be no pid anymore */
	if (newfeedcount == 0) {
		deb_ts("stop feeding\n");
		usb_urb_kill(&adap->fe_adap[adap->active_fe].stream);

		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
			ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 0);
			if (ret < 0) {
				err("error while stopping stream.");
				return ret;
			}
		}
	}

	adap->feedcount = newfeedcount;

	/* activate the pid on the device specific pid_filter */
	deb_ts("setting pid (%s): %5d %04x at index %d '%s'\n",
		adap->fe_adap[adap->active_fe].pid_filtering ?
		"yes" : "no", dvbdmxfeed->pid, dvbdmxfeed->pid,
		dvbdmxfeed->index, onoff ? "on" : "off");
	if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER &&
		adap->fe_adap[adap->active_fe].pid_filtering &&
		adap->props.fe[adap->active_fe].pid_filter != NULL)
		adap->props.fe[adap->active_fe].pid_filter(adap, dvbdmxfeed->index, dvbdmxfeed->pid, onoff);

	/* start the feed if this was the first feed and there is still a feed
	 * for reception.
	 */
	if (adap->feedcount == onoff && adap->feedcount > 0) {
		deb_ts("submitting all URBs\n");
		usb_urb_submit(&adap->fe_adap[adap->active_fe].stream);

		deb_ts("controlling pid parser\n");
		if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER &&
			adap->props.fe[adap->active_fe].caps &
			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF &&
			adap->props.fe[adap->active_fe].pid_filter_ctrl != NULL) {
			ret = adap->props.fe[adap->active_fe].pid_filter_ctrl(adap,
				adap->fe_adap[adap->active_fe].pid_filtering);
			if (ret < 0) {
				err("could not handle pid_parser");
				return ret;
			}
		}
		deb_ts("start feeding\n");
		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
			ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 1);
			if (ret < 0) {
				err("error while enabling fifo.");
				return ret;
			}
		}

	}
	return 0;
}
static void flexcop_rcv_data_ctrl(struct flexcop_device *fc, int onoff)
{
	flexcop_set_ibi_value(ctrl_208, Rcv_Data_sig, onoff);
	deb_ts("rcv_data is now: '%s'\n", onoff ? "on" : "off");
}