1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2005-2006 Micronas USA Inc.
6 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8 #include <linux/module.h>
9 #include <linux/kernel.h>
10 #include <linux/wait.h>
11 #include <linux/list.h>
12 #include <linux/slab.h>
13 #include <linux/time.h>
15 #include <linux/usb.h>
16 #include <linux/i2c.h>
17 #include <asm/byteorder.h>
18 #include <media/i2c/saa7115.h>
19 #include <media/tuner.h>
20 #include <media/i2c/uda1342.h>
22 #include "go7007-priv.h"
24 static unsigned int assume_endura;
25 module_param(assume_endura, int, 0644);
26 MODULE_PARM_DESC(assume_endura,
27 "when probing fails, hardware is a Pelco Endura");
29 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
31 #define HPI_STATUS_ADDR 0xFFF4
32 #define INT_PARAM_ADDR 0xFFF6
33 #define INT_INDEX_ADDR 0xFFF8
36 * Pipes on EZ-USB interface:
39 * 2 snd - Download firmware (control)
40 * 4 rcv - Read Interrupt (interrupt)
41 * 6 rcv - Read Video (bulk)
42 * 8 rcv - Read Audio (bulk)
45 #define GO7007_USB_EZUSB (1<<0)
46 #define GO7007_USB_EZUSB_I2C (1<<1)
48 struct go7007_usb_board {
50 struct go7007_board_info main_info;
54 const struct go7007_usb_board *board;
55 struct mutex i2c_lock;
56 struct usb_device *usbdev;
57 struct urb *video_urbs[8];
58 struct urb *audio_urbs[8];
62 /*********************** Product specification data ***********************/
64 static const struct go7007_usb_board board_matrix_ii = {
65 .flags = GO7007_USB_EZUSB,
67 .flags = GO7007_BOARD_HAS_AUDIO |
68 GO7007_BOARD_USE_ONBOARD_I2C,
69 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
75 .sensor_flags = GO7007_SENSOR_656 |
76 GO7007_SENSOR_VALID_ENABLE |
78 GO7007_SENSOR_SAA7115 |
80 GO7007_SENSOR_SCALING,
100 .video_config = SAA7115_IDQ_IS_DEFAULT,
104 static const struct go7007_usb_board board_matrix_reload = {
105 .flags = GO7007_USB_EZUSB,
107 .flags = GO7007_BOARD_HAS_AUDIO |
108 GO7007_BOARD_USE_ONBOARD_I2C,
109 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
110 GO7007_AUDIO_I2S_MASTER |
111 GO7007_AUDIO_WORD_16,
116 .sensor_flags = GO7007_SENSOR_656 |
137 .video_config = SAA7115_IDQ_IS_DEFAULT,
141 static const struct go7007_usb_board board_star_trek = {
142 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
144 .flags = GO7007_BOARD_HAS_AUDIO, /* |
145 GO7007_BOARD_HAS_TUNER, */
146 .sensor_flags = GO7007_SENSOR_656 |
147 GO7007_SENSOR_VALID_ENABLE |
149 GO7007_SENSOR_SAA7115 |
151 GO7007_SENSOR_SCALING,
152 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
153 GO7007_AUDIO_WORD_16,
169 * .audio_index = AUDIO_TUNER,
175 /* .audio_index = AUDIO_EXTERN, */
180 /* .audio_index = AUDIO_EXTERN, */
184 .video_config = SAA7115_IDQ_IS_DEFAULT,
188 static const struct go7007_usb_board board_px_tv402u = {
189 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
191 .flags = GO7007_BOARD_HAS_AUDIO |
192 GO7007_BOARD_HAS_TUNER,
193 .sensor_flags = GO7007_SENSOR_656 |
194 GO7007_SENSOR_VALID_ENABLE |
196 GO7007_SENSOR_SAA7115 |
198 GO7007_SENSOR_SCALING,
199 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
200 GO7007_AUDIO_WORD_16,
225 .type = "sony-btf-mpx",
247 .video_config = SAA7115_IDQ_IS_DEFAULT,
251 .audio_input = UDA1342_IN2,
255 .audio_input = UDA1342_IN1,
262 static const struct go7007_usb_board board_xmen = {
265 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
267 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
269 .sensor_height = 240,
270 .sensor_framerate = 30030,
271 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
272 GO7007_AUDIO_I2S_MODE_3 |
273 GO7007_AUDIO_WORD_14 |
274 GO7007_AUDIO_I2S_MASTER |
275 GO7007_AUDIO_BCLK_POLAR |
276 GO7007_AUDIO_OKI_MODE,
278 .audio_bclk_div = 48,
296 static const struct go7007_usb_board board_matrix_revolution = {
297 .flags = GO7007_USB_EZUSB,
299 .flags = GO7007_BOARD_HAS_AUDIO |
300 GO7007_BOARD_USE_ONBOARD_I2C,
301 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
302 GO7007_AUDIO_I2S_MASTER |
303 GO7007_AUDIO_WORD_16,
308 .sensor_flags = GO7007_SENSOR_656 |
334 static const struct go7007_usb_board board_lifeview_lr192 = {
335 .flags = GO7007_USB_EZUSB,
337 .flags = GO7007_BOARD_HAS_AUDIO |
338 GO7007_BOARD_USE_ONBOARD_I2C,
339 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
340 GO7007_AUDIO_WORD_16,
345 .sensor_flags = GO7007_SENSOR_656 |
346 GO7007_SENSOR_VALID_ENABLE |
349 GO7007_SENSOR_SCALING,
362 static const struct go7007_usb_board board_endura = {
366 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
367 GO7007_AUDIO_I2S_MASTER |
368 GO7007_AUDIO_WORD_16,
370 .audio_bclk_div = 48,
373 .sensor_flags = GO7007_SENSOR_656 |
375 .sensor_h_offset = 8,
386 static const struct go7007_usb_board board_adlink_mpg24 = {
389 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
390 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
391 GO7007_AUDIO_I2S_MASTER |
392 GO7007_AUDIO_WORD_16,
397 .sensor_flags = GO7007_SENSOR_656 |
404 .addr = 0x00, /* yes, really */
405 .flags = I2C_CLIENT_TEN,
418 static const struct go7007_usb_board board_sensoray_2250 = {
419 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
421 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
422 GO7007_AUDIO_I2S_MASTER |
423 GO7007_AUDIO_WORD_16,
424 .flags = GO7007_BOARD_HAS_AUDIO,
429 .sensor_flags = GO7007_SENSOR_656 |
469 static const struct go7007_usb_board board_ads_usbav_709 = {
470 .flags = GO7007_USB_EZUSB,
472 .flags = GO7007_BOARD_HAS_AUDIO |
473 GO7007_BOARD_USE_ONBOARD_I2C,
474 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
475 GO7007_AUDIO_I2S_MASTER |
476 GO7007_AUDIO_WORD_16,
481 .sensor_flags = GO7007_SENSOR_656 |
506 static const struct usb_device_id go7007_usb_id_table[] = {
508 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
509 USB_DEVICE_ID_MATCH_INT_INFO,
510 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
511 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
512 .bcdDevice_lo = 0x200, /* Revision number of XMen */
513 .bcdDevice_hi = 0x200,
514 .bInterfaceClass = 255,
515 .bInterfaceSubClass = 0,
516 .bInterfaceProtocol = 255,
517 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
520 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
521 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
522 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
523 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
524 .bcdDevice_hi = 0x202,
525 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
528 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
529 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
530 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
531 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
532 .bcdDevice_hi = 0x204, /* Reloaded */
533 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
536 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
537 USB_DEVICE_ID_MATCH_INT_INFO,
538 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
539 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
540 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
541 .bcdDevice_hi = 0x205,
542 .bInterfaceClass = 255,
543 .bInterfaceSubClass = 0,
544 .bInterfaceProtocol = 255,
545 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
548 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
549 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
550 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
551 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
552 .bcdDevice_hi = 0x208,
553 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
556 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
557 USB_DEVICE_ID_MATCH_INT_INFO,
558 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
559 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
560 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
561 .bcdDevice_hi = 0x209,
562 .bInterfaceClass = 255,
563 .bInterfaceSubClass = 0,
564 .bInterfaceProtocol = 255,
565 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
568 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
569 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
570 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
571 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
572 .bcdDevice_hi = 0x210, /* Revolution */
573 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
576 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
577 .idVendor = 0x093b, /* Vendor ID of Plextor */
578 .idProduct = 0xa102, /* Product ID of M402U */
579 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
581 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
584 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
585 .idVendor = 0x093b, /* Vendor ID of Plextor */
586 .idProduct = 0xa104, /* Product ID of TV402U */
589 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
592 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
593 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
594 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
597 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
600 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
601 .idVendor = 0x1943, /* Vendor ID Sensoray */
602 .idProduct = 0x2250, /* Product ID of 2250/2251 */
605 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
608 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
609 .idVendor = 0x06e1, /* Vendor ID of ADS Technologies */
610 .idProduct = 0x0709, /* Product ID of DVD Xpress DX2 */
611 .bcdDevice_lo = 0x204,
612 .bcdDevice_hi = 0x204,
613 .driver_info = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
615 { } /* Terminating entry */
618 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
620 /********************* Driver for EZ-USB HPI interface *********************/
622 static int go7007_usb_vendor_request(struct go7007 *go, int request,
623 int value, int index, void *transfer_buffer, int length, int in)
625 struct go7007_usb *usb = go->hpi_context;
629 return usb_control_msg(usb->usbdev,
630 usb_rcvctrlpipe(usb->usbdev, 0), request,
631 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
632 value, index, transfer_buffer, length, timeout);
634 return usb_control_msg(usb->usbdev,
635 usb_sndctrlpipe(usb->usbdev, 0), request,
636 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
637 value, index, transfer_buffer, length, timeout);
641 static int go7007_usb_interface_reset(struct go7007 *go)
643 struct go7007_usb *usb = go->hpi_context;
644 u16 intr_val, intr_data;
646 if (go->status == STATUS_SHUTDOWN)
649 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
653 if (usb->board->flags & GO7007_USB_EZUSB) {
654 /* Reset buffer in EZ-USB */
655 pr_debug("resetting EZ-USB buffers\n");
656 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
657 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
660 /* Reset encoder again */
661 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
666 /* Wait for an interrupt to indicate successful hardware reset */
667 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
668 (intr_val & ~0x1) != 0x55aa) {
669 dev_err(go->dev, "unable to reset the USB interface\n");
675 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
678 struct go7007_usb *usb = go->hpi_context;
683 pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
685 for (i = 0; i < 100; ++i) {
686 r = usb_control_msg(usb->usbdev,
687 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
688 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
689 0, HPI_STATUS_ADDR, go->usb_buf,
690 sizeof(status_reg), timeout);
693 status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
694 if (!(status_reg & 0x0010))
699 goto write_int_error;
701 dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
704 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
705 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
706 INT_PARAM_ADDR, NULL, 0, timeout);
708 goto write_int_error;
709 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
710 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
711 INT_INDEX_ADDR, NULL, 0, timeout);
713 goto write_int_error;
717 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
721 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
724 struct go7007_usb *usb = go->hpi_context;
728 pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
730 go->usb_buf[0] = data & 0xff;
731 go->usb_buf[1] = data >> 8;
732 go->usb_buf[2] = addr & 0xff;
733 go->usb_buf[3] = addr >> 8;
734 go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
735 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
736 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
737 0xf0f0, go->usb_buf, 8, timeout);
739 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
745 static void go7007_usb_readinterrupt_complete(struct urb *urb)
747 struct go7007 *go = (struct go7007 *)urb->context;
748 __le16 *regs = (__le16 *)urb->transfer_buffer;
749 int status = urb->status;
752 if (status != -ESHUTDOWN &&
753 go->status != STATUS_SHUTDOWN) {
754 dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
756 wake_up(&go->interrupt_waitq);
759 } else if (urb->actual_length != urb->transfer_buffer_length) {
760 dev_err(go->dev, "short read in interrupt pipe!\n");
762 go->interrupt_available = 1;
763 go->interrupt_data = __le16_to_cpu(regs[0]);
764 go->interrupt_value = __le16_to_cpu(regs[1]);
765 pr_debug("ReadInterrupt: %04x %04x\n",
766 go->interrupt_value, go->interrupt_data);
769 wake_up(&go->interrupt_waitq);
772 static int go7007_usb_read_interrupt(struct go7007 *go)
774 struct go7007_usb *usb = go->hpi_context;
777 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
779 dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
785 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
787 struct go7007 *go = (struct go7007 *)urb->context;
788 int r, status = urb->status;
790 if (!vb2_is_streaming(&go->vidq)) {
791 wake_up_interruptible(&go->frame_waitq);
795 dev_err(go->dev, "error in video pipe: %d\n", status);
798 if (urb->actual_length != urb->transfer_buffer_length) {
799 dev_err(go->dev, "short read in video pipe!\n");
802 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
803 r = usb_submit_urb(urb, GFP_ATOMIC);
805 dev_err(go->dev, "error in video pipe: %d\n", r);
808 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
810 struct go7007 *go = (struct go7007 *)urb->context;
811 int r, status = urb->status;
813 if (!vb2_is_streaming(&go->vidq))
816 dev_err(go->dev, "error in audio pipe: %d\n",
820 if (urb->actual_length != urb->transfer_buffer_length) {
821 dev_err(go->dev, "short read in audio pipe!\n");
824 if (go->audio_deliver != NULL)
825 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
826 r = usb_submit_urb(urb, GFP_ATOMIC);
828 dev_err(go->dev, "error in audio pipe: %d\n", r);
831 static int go7007_usb_stream_start(struct go7007 *go)
833 struct go7007_usb *usb = go->hpi_context;
836 for (i = 0; i < 8; ++i) {
837 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
839 dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
840 goto video_submit_failed;
843 if (!go->audio_enabled)
846 for (i = 0; i < 8; ++i) {
847 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
849 dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
850 goto audio_submit_failed;
856 for (i = 0; i < 7; ++i)
857 usb_kill_urb(usb->audio_urbs[i]);
859 for (i = 0; i < 8; ++i)
860 usb_kill_urb(usb->video_urbs[i]);
864 static int go7007_usb_stream_stop(struct go7007 *go)
866 struct go7007_usb *usb = go->hpi_context;
869 if (go->status == STATUS_SHUTDOWN)
871 for (i = 0; i < 8; ++i)
872 usb_kill_urb(usb->video_urbs[i]);
873 if (go->audio_enabled)
874 for (i = 0; i < 8; ++i)
875 usb_kill_urb(usb->audio_urbs[i]);
879 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
881 struct go7007_usb *usb = go->hpi_context;
882 int transferred, pipe;
885 pr_debug("DownloadBuffer sending %d bytes\n", len);
887 if (usb->board->flags & GO7007_USB_EZUSB)
888 pipe = usb_sndbulkpipe(usb->usbdev, 2);
890 pipe = usb_sndbulkpipe(usb->usbdev, 3);
892 return usb_bulk_msg(usb->usbdev, pipe, data, len,
893 &transferred, timeout);
896 static void go7007_usb_release(struct go7007 *go)
898 struct go7007_usb *usb = go->hpi_context;
899 struct urb *vurb, *aurb;
903 usb_kill_urb(usb->intr_urb);
904 kfree(usb->intr_urb->transfer_buffer);
905 usb_free_urb(usb->intr_urb);
908 /* Free USB-related structs */
909 for (i = 0; i < 8; ++i) {
910 vurb = usb->video_urbs[i];
913 kfree(vurb->transfer_buffer);
916 aurb = usb->audio_urbs[i];
919 kfree(aurb->transfer_buffer);
924 kfree(go->hpi_context);
927 static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
928 .interface_reset = go7007_usb_interface_reset,
929 .write_interrupt = go7007_usb_ezusb_write_interrupt,
930 .read_interrupt = go7007_usb_read_interrupt,
931 .stream_start = go7007_usb_stream_start,
932 .stream_stop = go7007_usb_stream_stop,
933 .send_firmware = go7007_usb_send_firmware,
934 .release = go7007_usb_release,
937 static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
938 .interface_reset = go7007_usb_interface_reset,
939 .write_interrupt = go7007_usb_onboard_write_interrupt,
940 .read_interrupt = go7007_usb_read_interrupt,
941 .stream_start = go7007_usb_stream_start,
942 .stream_stop = go7007_usb_stream_stop,
943 .send_firmware = go7007_usb_send_firmware,
944 .release = go7007_usb_release,
947 /********************* Driver for EZ-USB I2C adapter *********************/
949 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
950 struct i2c_msg msgs[], int num)
952 struct go7007 *go = i2c_get_adapdata(adapter);
953 struct go7007_usb *usb = go->hpi_context;
954 u8 *buf = go->usb_buf;
958 if (go->status == STATUS_SHUTDOWN)
961 mutex_lock(&usb->i2c_lock);
963 for (i = 0; i < num; ++i) {
964 /* The hardware command is "write some bytes then read some
965 * bytes", so we try to coalesce a write followed by a read
966 * into a single USB transaction */
967 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
968 !(msgs[i].flags & I2C_M_RD) &&
969 (msgs[i + 1].flags & I2C_M_RD)) {
970 #ifdef GO7007_I2C_DEBUG
971 pr_debug("i2c write/read %d/%d bytes on %02x\n",
972 msgs[i].len, msgs[i + 1].len, msgs[i].addr);
975 buf[1] = msgs[i].len + 1;
976 buf[2] = msgs[i].addr << 1;
977 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
978 buf_len = msgs[i].len + 3;
979 buf[buf_len++] = msgs[++i].len;
980 } else if (msgs[i].flags & I2C_M_RD) {
981 #ifdef GO7007_I2C_DEBUG
982 pr_debug("i2c read %d bytes on %02x\n",
983 msgs[i].len, msgs[i].addr);
987 buf[2] = msgs[i].addr << 1;
988 buf[3] = msgs[i].len;
991 #ifdef GO7007_I2C_DEBUG
992 pr_debug("i2c write %d bytes on %02x\n",
993 msgs[i].len, msgs[i].addr);
996 buf[1] = msgs[i].len + 1;
997 buf[2] = msgs[i].addr << 1;
998 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
999 buf_len = msgs[i].len + 3;
1002 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1003 buf, buf_len, 0) < 0)
1005 if (msgs[i].flags & I2C_M_RD) {
1006 memset(buf, 0, msgs[i].len + 1);
1007 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1008 msgs[i].len + 1, 1) < 0)
1010 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1016 mutex_unlock(&usb->i2c_lock);
1020 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1022 /* No errors are reported by the hardware, so we don't bother
1023 * supporting quick writes to avoid confusing probing */
1024 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1027 static const struct i2c_algorithm go7007_usb_algo = {
1028 .master_xfer = go7007_usb_i2c_master_xfer,
1029 .functionality = go7007_usb_functionality,
1032 static struct i2c_adapter go7007_usb_adap_templ = {
1033 .owner = THIS_MODULE,
1034 .name = "WIS GO7007SB EZ-USB",
1035 .algo = &go7007_usb_algo,
1038 /********************* USB add/remove functions *********************/
1040 static int go7007_usb_probe(struct usb_interface *intf,
1041 const struct usb_device_id *id)
1044 struct go7007_usb *usb;
1045 const struct go7007_usb_board *board;
1046 struct usb_device *usbdev = interface_to_usbdev(intf);
1047 struct usb_host_endpoint *ep;
1048 unsigned num_i2c_devs;
1050 int video_pipe, i, v_urb_len;
1052 pr_debug("probing new GO7007 USB board\n");
1054 switch (id->driver_info) {
1055 case GO7007_BOARDID_MATRIX_II:
1056 name = "WIS Matrix II or compatible";
1057 board = &board_matrix_ii;
1059 case GO7007_BOARDID_MATRIX_RELOAD:
1060 name = "WIS Matrix Reloaded or compatible";
1061 board = &board_matrix_reload;
1063 case GO7007_BOARDID_MATRIX_REV:
1064 name = "WIS Matrix Revolution or compatible";
1065 board = &board_matrix_revolution;
1067 case GO7007_BOARDID_STAR_TREK:
1068 name = "WIS Star Trek or compatible";
1069 board = &board_star_trek;
1071 case GO7007_BOARDID_XMEN:
1072 name = "WIS XMen or compatible";
1073 board = &board_xmen;
1075 case GO7007_BOARDID_XMEN_II:
1076 name = "WIS XMen II or compatible";
1077 board = &board_xmen;
1079 case GO7007_BOARDID_XMEN_III:
1080 name = "WIS XMen III or compatible";
1081 board = &board_xmen;
1083 case GO7007_BOARDID_PX_M402U:
1084 name = "Plextor PX-M402U";
1085 board = &board_matrix_ii;
1087 case GO7007_BOARDID_PX_TV402U:
1088 name = "Plextor PX-TV402U (unknown tuner)";
1089 board = &board_px_tv402u;
1091 case GO7007_BOARDID_LIFEVIEW_LR192:
1092 dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
1095 name = "Lifeview TV Walker Ultra";
1096 board = &board_lifeview_lr192;
1099 case GO7007_BOARDID_SENSORAY_2250:
1100 dev_info(&intf->dev, "Sensoray 2250 found\n");
1101 name = "Sensoray 2250/2251";
1102 board = &board_sensoray_2250;
1104 case GO7007_BOARDID_ADS_USBAV_709:
1105 name = "ADS Tech DVD Xpress DX2";
1106 board = &board_ads_usbav_709;
1109 dev_err(&intf->dev, "unknown board ID %d!\n",
1110 (unsigned int)id->driver_info);
1114 go = go7007_alloc(&board->main_info, &intf->dev);
1118 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1125 usb->usbdev = usbdev;
1126 usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1127 go->board_id = id->driver_info;
1128 strscpy(go->name, name, sizeof(go->name));
1129 if (board->flags & GO7007_USB_EZUSB)
1130 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1132 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1133 go->hpi_context = usb;
1135 ep = usb->usbdev->ep_in[4];
1139 /* Allocate the URB and buffer for receiving incoming interrupts */
1140 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1141 if (usb->intr_urb == NULL)
1143 usb->intr_urb->transfer_buffer = kmalloc_array(2, sizeof(u16),
1145 if (usb->intr_urb->transfer_buffer == NULL)
1148 if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
1149 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1150 usb_rcvbulkpipe(usb->usbdev, 4),
1151 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1152 go7007_usb_readinterrupt_complete, go);
1154 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1155 usb_rcvintpipe(usb->usbdev, 4),
1156 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1157 go7007_usb_readinterrupt_complete, go, 8);
1158 usb_set_intfdata(intf, &go->v4l2_dev);
1160 /* Boot the GO7007 */
1161 if (go7007_boot_encoder(go, go->board_info->flags &
1162 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1165 /* Register the EZ-USB I2C adapter, if we're using it */
1166 if (board->flags & GO7007_USB_EZUSB_I2C) {
1167 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1168 sizeof(go7007_usb_adap_templ));
1169 mutex_init(&usb->i2c_lock);
1170 go->i2c_adapter.dev.parent = go->dev;
1171 i2c_set_adapdata(&go->i2c_adapter, go);
1172 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1173 dev_err(go->dev, "error: i2c_add_adapter failed\n");
1176 go->i2c_adapter_online = 1;
1179 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1180 * IDs for their own incompatible designs. We can detect XMen boards
1181 * by probing the sensor, but there is no way to probe the sensors on
1182 * the Pelco and Adlink designs so we default to the Adlink. If it
1183 * is actually a Pelco, the user must set the assume_endura module
1185 if ((go->board_id == GO7007_BOARDID_XMEN ||
1186 go->board_id == GO7007_BOARDID_XMEN_III) &&
1187 go->i2c_adapter_online) {
1188 union i2c_smbus_data data;
1190 /* Check to see if register 0x0A is 0x76 */
1191 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1192 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1193 if (data.byte != 0x76) {
1194 if (assume_endura) {
1195 go->board_id = GO7007_BOARDID_ENDURA;
1196 usb->board = board = &board_endura;
1197 go->board_info = &board->main_info;
1198 strscpy(go->name, "Pelco Endura",
1203 /* read channel number from GPIO[1:0] */
1204 go7007_read_addr(go, 0x3c81, &channel);
1206 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1207 usb->board = board = &board_adlink_mpg24;
1208 go->board_info = &board->main_info;
1209 go->channel_number = channel;
1210 snprintf(go->name, sizeof(go->name),
1211 "Adlink PCI-MPG24, channel #%d",
1214 go7007_update_board(go);
1218 num_i2c_devs = go->board_info->num_i2c_devs;
1220 /* Probe the tuner model on the TV402U */
1221 if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1222 /* Board strapping indicates tuner model */
1223 if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
1225 dev_err(go->dev, "GPIO read failed!\n");
1228 switch (go->usb_buf[0] >> 6) {
1230 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1231 go->std = V4L2_STD_PAL;
1232 strscpy(go->name, "Plextor PX-TV402U-EU",
1236 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1237 go->std = V4L2_STD_NTSC_M_JP;
1239 strscpy(go->name, "Plextor PX-TV402U-JP",
1243 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1245 strscpy(go->name, "Plextor PX-TV402U-NA",
1249 pr_debug("unable to detect tuner type!\n");
1252 /* Configure tuner mode selection inputs connected
1253 * to the EZ-USB GPIO output pins */
1254 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1256 dev_err(go->dev, "GPIO write failed!\n");
1261 /* Print a nasty message if the user attempts to use a USB2.0 device in
1262 * a USB1.1 port. There will be silent corruption of the stream. */
1263 if ((board->flags & GO7007_USB_EZUSB) &&
1264 usbdev->speed != USB_SPEED_HIGH)
1265 dev_err(go->dev, "*** WARNING *** This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n");
1267 /* Allocate the URBs and buffers for receiving the video stream */
1268 if (board->flags & GO7007_USB_EZUSB) {
1269 if (!usb->usbdev->ep_in[6])
1272 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1274 if (!usb->usbdev->ep_in[1])
1277 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1279 for (i = 0; i < 8; ++i) {
1280 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1281 if (usb->video_urbs[i] == NULL)
1283 usb->video_urbs[i]->transfer_buffer =
1284 kmalloc(v_urb_len, GFP_KERNEL);
1285 if (usb->video_urbs[i]->transfer_buffer == NULL)
1287 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1288 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1289 go7007_usb_read_video_pipe_complete, go);
1292 /* Allocate the URBs and buffers for receiving the audio stream */
1293 if ((board->flags & GO7007_USB_EZUSB) &&
1294 (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
1295 if (!usb->usbdev->ep_in[8])
1297 for (i = 0; i < 8; ++i) {
1298 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1299 if (usb->audio_urbs[i] == NULL)
1301 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1303 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1305 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1306 usb_rcvbulkpipe(usb->usbdev, 8),
1307 usb->audio_urbs[i]->transfer_buffer, 4096,
1308 go7007_usb_read_audio_pipe_complete, go);
1312 /* Do any final GO7007 initialization, then register the
1313 * V4L2 and ALSA interfaces */
1314 if (go7007_register_encoder(go, num_i2c_devs) < 0)
1317 go->status = STATUS_ONLINE;
1321 go7007_usb_release(go);
1326 static void go7007_usb_disconnect(struct usb_interface *intf)
1328 struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1330 mutex_lock(&go->queue_lock);
1331 mutex_lock(&go->serialize_lock);
1333 if (go->audio_enabled)
1334 go7007_snd_remove(go);
1336 go->status = STATUS_SHUTDOWN;
1337 v4l2_device_disconnect(&go->v4l2_dev);
1338 video_unregister_device(&go->vdev);
1339 mutex_unlock(&go->serialize_lock);
1340 mutex_unlock(&go->queue_lock);
1342 v4l2_device_put(&go->v4l2_dev);
1345 static struct usb_driver go7007_usb_driver = {
1347 .probe = go7007_usb_probe,
1348 .disconnect = go7007_usb_disconnect,
1349 .id_table = go7007_usb_id_table,
1352 module_usb_driver(go7007_usb_driver);
1353 MODULE_LICENSE("GPL v2");