1 /* Linux driver for devices based on the DiBcom DiB0700 USB bridge
3 * This program is free software; you can redistribute it and/or modify it
4 * under the terms of the GNU General Public License as published by the Free
5 * Software Foundation, version 2.
7 * Copyright (C) 2005-6 DiBcom, SA
12 int dvb_usb_dib0700_debug;
13 module_param_named(debug,dvb_usb_dib0700_debug, int, 0644);
14 MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS);
16 static int nb_packet_buffer_size = 21;
17 module_param(nb_packet_buffer_size, int, 0644);
18 MODULE_PARM_DESC(nb_packet_buffer_size,
19 "Set the dib0700 driver data buffer size. This parameter "
20 "corresponds to the number of TS packets. The actual size of "
21 "the data buffer corresponds to this parameter "
22 "multiplied by 188 (default: 21)");
24 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
27 int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
28 u32 *romversion, u32 *ramversion, u32 *fwtype)
30 struct dib0700_state *st = d->priv;
33 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
34 err("could not acquire lock");
38 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
40 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
41 st->buf, 16, USB_CTRL_GET_TIMEOUT);
42 if (hwversion != NULL)
43 *hwversion = (st->buf[0] << 24) | (st->buf[1] << 16) |
44 (st->buf[2] << 8) | st->buf[3];
45 if (romversion != NULL)
46 *romversion = (st->buf[4] << 24) | (st->buf[5] << 16) |
47 (st->buf[6] << 8) | st->buf[7];
48 if (ramversion != NULL)
49 *ramversion = (st->buf[8] << 24) | (st->buf[9] << 16) |
50 (st->buf[10] << 8) | st->buf[11];
52 *fwtype = (st->buf[12] << 24) | (st->buf[13] << 16) |
53 (st->buf[14] << 8) | st->buf[15];
54 mutex_unlock(&d->usb_mutex);
58 /* expecting rx buffer: request data[0] data[1] ... data[2] */
59 static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen)
64 debug_dump(tx, txlen, deb_data);
66 status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0),
67 tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen,
68 USB_CTRL_GET_TIMEOUT);
71 deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen);
73 return status < 0 ? status : 0;
76 /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */
77 int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen)
83 err("tx buffer length is smaller than 2. Makes no sense.");
87 err("tx buffer length is larger than 4. Not supported.");
92 debug_dump(tx,txlen,deb_data);
94 value = ((txlen - 2) << 8) | tx[1];
97 index |= (tx[2] << 8);
101 status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0],
102 USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen,
103 USB_CTRL_GET_TIMEOUT);
106 deb_info("ep 0 read error (status = %d)\n",status);
109 debug_dump(rx, rxlen, deb_data);
111 return status; /* length in case of success */
114 int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val)
116 struct dib0700_state *st = d->priv;
119 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
120 err("could not acquire lock");
124 st->buf[0] = REQUEST_SET_GPIO;
126 st->buf[2] = ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6);
128 ret = dib0700_ctrl_wr(d, st->buf, 3);
130 mutex_unlock(&d->usb_mutex);
134 static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets)
136 struct dib0700_state *st = d->priv;
139 if (st->fw_version >= 0x10201) {
140 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
141 err("could not acquire lock");
145 st->buf[0] = REQUEST_SET_USB_XFER_LEN;
146 st->buf[1] = (nb_ts_packets >> 8) & 0xff;
147 st->buf[2] = nb_ts_packets & 0xff;
149 deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets);
151 ret = dib0700_ctrl_wr(d, st->buf, 3);
152 mutex_unlock(&d->usb_mutex);
154 deb_info("this firmware does not allow to change the USB xfer len\n");
162 * I2C master xfer function (supported in 1.20 firmware)
164 static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg,
167 /* The new i2c firmware messages are more reliable and in particular
168 properly support i2c read calls not preceded by a write */
170 struct dvb_usb_device *d = i2c_get_adapdata(adap);
171 struct dib0700_state *st = d->priv;
172 uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */
173 uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */
174 uint8_t en_start = 0;
178 /* Ensure nobody else hits the i2c bus while we're sending our
179 sequence of messages, (such as the remote control thread) */
180 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
183 for (i = 0; i < num; i++) {
185 /* First message in the transaction */
187 } else if (!(msg[i].flags & I2C_M_NOSTART)) {
188 /* Device supports repeated-start */
191 /* Not the first packet and device doesn't support
195 if (i == (num - 1)) {
196 /* Last message in the transaction */
200 if (msg[i].flags & I2C_M_RD) {
205 i2c_dest = (msg[i].addr << 1);
206 value = ((en_start << 7) | (en_stop << 6) |
207 (msg[i].len & 0x3F)) << 8 | i2c_dest;
208 /* I2C ctrl + FE bus; */
209 index = ((gen_mode << 6) & 0xC0) |
210 ((bus_mode << 4) & 0x30);
212 result = usb_control_msg(d->udev,
213 usb_rcvctrlpipe(d->udev, 0),
214 REQUEST_NEW_I2C_READ,
215 USB_TYPE_VENDOR | USB_DIR_IN,
216 value, index, st->buf,
218 USB_CTRL_GET_TIMEOUT);
220 deb_info("i2c read error (status = %d)\n", result);
224 if (msg[i].len > sizeof(st->buf)) {
225 deb_info("buffer too small to fit %d bytes\n",
230 memcpy(msg[i].buf, st->buf, msg[i].len);
233 debug_dump(msg[i].buf, msg[i].len, deb_data);
237 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
238 err("could not acquire lock");
239 mutex_unlock(&d->i2c_mutex);
242 st->buf[0] = REQUEST_NEW_I2C_WRITE;
243 st->buf[1] = msg[i].addr << 1;
244 st->buf[2] = (en_start << 7) | (en_stop << 6) |
246 /* I2C ctrl + FE bus; */
247 st->buf[3] = ((gen_mode << 6) & 0xC0) |
248 ((bus_mode << 4) & 0x30);
250 if (msg[i].len > sizeof(st->buf) - 4) {
251 deb_info("i2c message to big: %d\n",
256 /* The Actual i2c payload */
257 memcpy(&st->buf[4], msg[i].buf, msg[i].len);
260 debug_dump(st->buf, msg[i].len + 4, deb_data);
262 result = usb_control_msg(d->udev,
263 usb_sndctrlpipe(d->udev, 0),
264 REQUEST_NEW_I2C_WRITE,
265 USB_TYPE_VENDOR | USB_DIR_OUT,
266 0, 0, st->buf, msg[i].len + 4,
267 USB_CTRL_GET_TIMEOUT);
268 mutex_unlock(&d->usb_mutex);
270 deb_info("i2c write error (status = %d)\n", result);
275 mutex_unlock(&d->i2c_mutex);
280 * I2C master xfer function (pre-1.20 firmware)
282 static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap,
283 struct i2c_msg *msg, int num)
285 struct dvb_usb_device *d = i2c_get_adapdata(adap);
286 struct dib0700_state *st = d->priv;
289 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
291 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
292 err("could not acquire lock");
293 mutex_unlock(&d->i2c_mutex);
297 for (i = 0; i < num; i++) {
298 /* fill in the address */
299 st->buf[1] = msg[i].addr << 1;
300 /* fill the buffer */
301 if (msg[i].len > sizeof(st->buf) - 2) {
302 deb_info("i2c xfer to big: %d\n",
306 memcpy(&st->buf[2], msg[i].buf, msg[i].len);
308 /* write/read request */
309 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
310 st->buf[0] = REQUEST_I2C_READ;
313 /* special thing in the current firmware: when length is zero the read-failed */
314 len = dib0700_ctrl_rd(d, st->buf, msg[i].len + 2,
315 st->buf, msg[i + 1].len);
317 deb_info("I2C read failed on address 0x%02x\n",
322 if (msg[i + 1].len > sizeof(st->buf)) {
323 deb_info("i2c xfer buffer to small for %d\n",
327 memcpy(msg[i + 1].buf, st->buf, msg[i + 1].len);
333 st->buf[0] = REQUEST_I2C_WRITE;
334 if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0)
338 mutex_unlock(&d->usb_mutex);
339 mutex_unlock(&d->i2c_mutex);
344 static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg,
347 struct dvb_usb_device *d = i2c_get_adapdata(adap);
348 struct dib0700_state *st = d->priv;
350 if (st->fw_use_new_i2c_api == 1) {
351 /* User running at least fw 1.20 */
352 return dib0700_i2c_xfer_new(adap, msg, num);
354 /* Use legacy calls */
355 return dib0700_i2c_xfer_legacy(adap, msg, num);
359 static u32 dib0700_i2c_func(struct i2c_adapter *adapter)
364 struct i2c_algorithm dib0700_i2c_algo = {
365 .master_xfer = dib0700_i2c_xfer,
366 .functionality = dib0700_i2c_func,
369 int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
370 struct dvb_usb_device_description **desc, int *cold)
375 b = kmalloc(16, GFP_KERNEL);
380 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
381 REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT);
383 deb_info("FW GET_VERSION length: %d\n",ret);
386 deb_info("cold: %d\n", *cold);
392 static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll,
393 u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv,
394 u16 pll_loopdiv, u16 free_div, u16 dsuScaler)
396 struct dib0700_state *st = d->priv;
399 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
400 err("could not acquire lock");
404 st->buf[0] = REQUEST_SET_CLOCK;
405 st->buf[1] = (en_pll << 7) | (pll_src << 6) |
406 (pll_range << 5) | (clock_gpio3 << 4);
407 st->buf[2] = (pll_prediv >> 8) & 0xff; /* MSB */
408 st->buf[3] = pll_prediv & 0xff; /* LSB */
409 st->buf[4] = (pll_loopdiv >> 8) & 0xff; /* MSB */
410 st->buf[5] = pll_loopdiv & 0xff; /* LSB */
411 st->buf[6] = (free_div >> 8) & 0xff; /* MSB */
412 st->buf[7] = free_div & 0xff; /* LSB */
413 st->buf[8] = (dsuScaler >> 8) & 0xff; /* MSB */
414 st->buf[9] = dsuScaler & 0xff; /* LSB */
416 ret = dib0700_ctrl_wr(d, st->buf, 10);
417 mutex_unlock(&d->usb_mutex);
422 int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz)
424 struct dib0700_state *st = d->priv;
431 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
432 err("could not acquire lock");
436 st->buf[0] = REQUEST_SET_I2C_PARAM;
437 divider = (u16) (30000 / scl_kHz);
439 st->buf[2] = (u8) (divider >> 8);
440 st->buf[3] = (u8) (divider & 0xff);
441 divider = (u16) (72000 / scl_kHz);
442 st->buf[4] = (u8) (divider >> 8);
443 st->buf[5] = (u8) (divider & 0xff);
444 divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */
445 st->buf[6] = (u8) (divider >> 8);
446 st->buf[7] = (u8) (divider & 0xff);
448 deb_info("setting I2C speed: %04x %04x %04x (%d kHz).",
449 (st->buf[2] << 8) | (st->buf[3]), (st->buf[4] << 8) |
450 st->buf[5], (st->buf[6] << 8) | st->buf[7], scl_kHz);
452 ret = dib0700_ctrl_wr(d, st->buf, 8);
453 mutex_unlock(&d->usb_mutex);
459 int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3)
462 case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break;
463 default: return -EINVAL;
468 static int dib0700_jumpram(struct usb_device *udev, u32 address)
473 buf = kmalloc(8, GFP_KERNEL);
476 buf[0] = REQUEST_JUMPRAM;
480 buf[4] = (address >> 24) & 0xff;
481 buf[5] = (address >> 16) & 0xff;
482 buf[6] = (address >> 8) & 0xff;
483 buf[7] = address & 0xff;
485 if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) {
486 deb_fw("jumpram to 0x%x failed\n",address);
490 deb_fw("jumpram to 0x%x failed\n",address);
499 int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw)
502 int pos = 0, ret, act_len, i, adap_num;
506 buf = kmalloc(260, GFP_KERNEL);
510 while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) {
511 deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n",
512 hx.addr, hx.len, hx.chk);
515 buf[1] = (hx.addr >> 8) & 0xff;
516 buf[2] = hx.addr & 0xff;
518 memcpy(&buf[4],hx.data,hx.len);
519 buf[4+hx.len] = hx.chk;
521 ret = usb_bulk_msg(udev,
522 usb_sndbulkpipe(udev, 0x01),
529 err("firmware download failed at %d with %d",pos,ret);
535 /* start the firmware */
536 if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) {
537 info("firmware started successfully.");
543 /* the number of ts packet has to be at least 1 */
544 if (nb_packet_buffer_size < 1)
545 nb_packet_buffer_size = 1;
547 /* get the firmware version */
548 usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
550 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
551 buf, 16, USB_CTRL_GET_TIMEOUT);
552 fw_version = (buf[8] << 24) | (buf[9] << 16) | (buf[10] << 8) | buf[11];
554 /* set the buffer size - DVB-USB is allocating URB buffers
555 * only after the firwmare download was successful */
556 for (i = 0; i < dib0700_device_count; i++) {
557 for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters;
559 if (fw_version >= 0x10201) {
560 dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 188*nb_packet_buffer_size;
562 /* for fw version older than 1.20.1,
563 * the buffersize has to be n times 512 */
564 dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512;
565 if (dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize < 512)
566 dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 512;
575 int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
577 struct dib0700_state *st = adap->dev->priv;
580 if ((onoff != 0) && (st->fw_version >= 0x10201)) {
581 /* for firmware later than 1.20.1,
582 * the USB xfer length can be set */
583 ret = dib0700_set_usb_xfer_len(adap->dev,
584 st->nb_packet_buffer_size);
586 deb_info("can not set the USB xfer len\n");
591 mutex_lock(&adap->dev->usb_mutex);
593 st->buf[0] = REQUEST_ENABLE_VIDEO;
594 /* this bit gives a kind of command,
595 * rather than enabling something or not */
596 st->buf[1] = (onoff << 4) | 0x00;
598 if (st->disable_streaming_master_mode == 1)
601 st->buf[2] = 0x01 << 4; /* Master mode */
605 deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id);
607 st->channel_state &= ~0x3;
608 if ((adap->fe_adap[0].stream.props.endpoint != 2)
609 && (adap->fe_adap[0].stream.props.endpoint != 3)) {
610 deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint);
612 st->channel_state |= 1 << (adap->id);
615 st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2);
617 st->channel_state |= 1 << (3-adap->fe_adap[0].stream.props.endpoint);
620 st->buf[2] |= st->channel_state;
622 deb_info("data for streaming: %x %x\n", st->buf[1], st->buf[2]);
624 ret = dib0700_ctrl_wr(adap->dev, st->buf, 4);
625 mutex_unlock(&adap->dev->usb_mutex);
630 int dib0700_change_protocol(struct rc_dev *rc, u64 *rc_type)
632 struct dvb_usb_device *d = rc->priv;
633 struct dib0700_state *st = d->priv;
636 if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
637 err("could not acquire lock");
641 st->buf[0] = REQUEST_SET_RC;
645 /* Set the IR mode */
646 if (*rc_type & RC_BIT_RC5) {
648 *rc_type = RC_BIT_RC5;
649 } else if (*rc_type & RC_BIT_NEC) {
651 *rc_type = RC_BIT_NEC;
652 } else if (*rc_type & RC_BIT_RC6_MCE) {
653 if (st->fw_version < 0x10200) {
658 *rc_type = RC_BIT_RC6_MCE;
664 st->buf[1] = new_proto;
666 ret = dib0700_ctrl_wr(d, st->buf, 3);
668 err("ir protocol setup failed");
672 d->props.rc.core.protocol = *rc_type;
675 mutex_unlock(&d->usb_mutex);
679 /* This is the structure of the RC response packet starting in firmware 1.20 */
680 struct dib0700_rc_response {
698 #define RC_MSG_SIZE_V1_20 6
700 static void dib0700_rc_urb_completion(struct urb *purb)
702 struct dvb_usb_device *d = purb->context;
703 struct dib0700_rc_response *poll_reply;
704 enum rc_type protocol;
708 deb_info("%s()\n", __func__);
709 if (d->rc_dev == NULL) {
710 /* This will occur if disable_rc_polling=1 */
711 kfree(purb->transfer_buffer);
716 poll_reply = purb->transfer_buffer;
718 if (purb->status < 0) {
719 deb_info("discontinuing polling\n");
720 kfree(purb->transfer_buffer);
725 if (purb->actual_length != RC_MSG_SIZE_V1_20) {
726 deb_info("malformed rc msg size=%d\n", purb->actual_length);
730 deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n",
731 poll_reply->report_id, poll_reply->data_state,
732 poll_reply->nec.system, poll_reply->nec.not_system,
733 poll_reply->nec.data, poll_reply->nec.not_data,
734 purb->actual_length);
736 switch (d->props.rc.core.protocol) {
740 /* NEC protocol sends repeat code as 0 0 0 FF */
741 if (poll_reply->nec.system == 0x00 &&
742 poll_reply->nec.not_system == 0x00 &&
743 poll_reply->nec.data == 0x00 &&
744 poll_reply->nec.not_data == 0xff) {
745 poll_reply->data_state = 2;
746 rc_repeat(d->rc_dev);
750 if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) {
751 deb_data("NEC32 protocol\n");
752 keycode = RC_SCANCODE_NEC32(poll_reply->nec.system << 24 |
753 poll_reply->nec.not_system << 16 |
754 poll_reply->nec.data << 8 |
755 poll_reply->nec.not_data);
756 protocol = RC_TYPE_NEC32;
757 } else if ((poll_reply->nec.system ^ poll_reply->nec.not_system) != 0xff) {
758 deb_data("NEC extended protocol\n");
759 keycode = RC_SCANCODE_NECX(poll_reply->nec.system << 8 |
760 poll_reply->nec.not_system,
761 poll_reply->nec.data);
763 protocol = RC_TYPE_NECX;
765 deb_data("NEC normal protocol\n");
766 keycode = RC_SCANCODE_NEC(poll_reply->nec.system,
767 poll_reply->nec.data);
768 protocol = RC_TYPE_NEC;
773 deb_data("RC5 protocol\n");
774 protocol = RC_TYPE_RC5;
775 toggle = poll_reply->report_id;
776 keycode = RC_SCANCODE_RC5(poll_reply->rc5.system, poll_reply->rc5.data);
778 if ((poll_reply->rc5.data ^ poll_reply->rc5.not_data) != 0xff) {
779 /* Key failed integrity check */
780 err("key failed integrity check: %02x %02x %02x %02x",
781 poll_reply->rc5.not_used, poll_reply->rc5.system,
782 poll_reply->rc5.data, poll_reply->rc5.not_data);
789 rc_keydown(d->rc_dev, protocol, keycode, toggle);
792 /* Clean the buffer before we requeue */
793 memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20);
796 usb_submit_urb(purb, GFP_ATOMIC);
799 int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)
801 struct dib0700_state *st = d->priv;
803 const struct usb_endpoint_descriptor *e;
805 unsigned int pipe = 0;
807 /* Poll-based. Don't initialize bulk mode */
808 if (st->fw_version < 0x10200 || !intf)
811 /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
813 if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1)
816 purb = usb_alloc_urb(0, GFP_KERNEL);
820 purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
821 if (purb->transfer_buffer == NULL) {
822 err("rc kzalloc failed");
827 purb->status = -EINPROGRESS;
830 * Some devices like the Hauppauge NovaTD model 52009 use an interrupt
831 * endpoint, while others use a bulk one.
833 e = &intf->cur_altsetting->endpoint[rc_ep].desc;
834 if (usb_endpoint_dir_in(e)) {
835 if (usb_endpoint_xfer_bulk(e)) {
836 pipe = usb_rcvbulkpipe(d->udev, rc_ep);
837 usb_fill_bulk_urb(purb, d->udev, pipe,
838 purb->transfer_buffer,
840 dib0700_rc_urb_completion, d);
842 } else if (usb_endpoint_xfer_int(e)) {
843 pipe = usb_rcvintpipe(d->udev, rc_ep);
844 usb_fill_int_urb(purb, d->udev, pipe,
845 purb->transfer_buffer,
847 dib0700_rc_urb_completion, d, 1);
852 err("There's no endpoint for remote controller");
853 kfree(purb->transfer_buffer);
858 ret = usb_submit_urb(purb, GFP_ATOMIC);
860 err("rc submit urb failed");
861 kfree(purb->transfer_buffer);
868 static int dib0700_probe(struct usb_interface *intf,
869 const struct usb_device_id *id)
872 struct dvb_usb_device *dev;
874 for (i = 0; i < dib0700_device_count; i++)
875 if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE,
876 &dev, adapter_nr) == 0) {
877 struct dib0700_state *st = dev->priv;
878 u32 hwversion, romversion, fw_version, fwtype;
880 dib0700_get_version(dev, &hwversion, &romversion,
881 &fw_version, &fwtype);
883 deb_info("Firmware version: %x, %d, 0x%x, %d\n",
884 hwversion, romversion, fw_version, fwtype);
886 st->fw_version = fw_version;
887 st->nb_packet_buffer_size = (u32)nb_packet_buffer_size;
889 /* Disable polling mode on newer firmwares */
890 if (st->fw_version >= 0x10200)
891 dev->props.rc.core.bulk_mode = true;
893 dev->props.rc.core.bulk_mode = false;
895 dib0700_rc_setup(dev, intf);
903 static struct usb_driver dib0700_driver = {
904 .name = "dvb_usb_dib0700",
905 .probe = dib0700_probe,
906 .disconnect = dvb_usb_device_exit,
907 .id_table = dib0700_usb_id_table,
910 module_usb_driver(dib0700_driver);
913 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
914 MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge");
915 MODULE_VERSION("1.0");
916 MODULE_LICENSE("GPL");