2 * Copyright (C) 2005-2006 Micronas USA Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License (Version 2) as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/wait.h>
22 #include <linux/list.h>
23 #include <linux/slab.h>
24 #include <linux/time.h>
26 #include <linux/usb.h>
27 #include <linux/i2c.h>
28 #include <asm/byteorder.h>
29 #include <media/tvaudio.h>
31 #include "go7007-priv.h"
34 static unsigned int assume_endura;
35 module_param(assume_endura, int, 0644);
36 MODULE_PARM_DESC(assume_endura, "when probing fails, "
37 "hardware is a Pelco Endura");
39 /* #define GO7007_USB_DEBUG */
40 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
42 #define HPI_STATUS_ADDR 0xFFF4
43 #define INT_PARAM_ADDR 0xFFF6
44 #define INT_INDEX_ADDR 0xFFF8
47 * Pipes on EZ-USB interface:
50 * 2 snd - Download firmware (control)
51 * 4 rcv - Read Interrupt (interrupt)
52 * 6 rcv - Read Video (bulk)
53 * 8 rcv - Read Audio (bulk)
56 #define GO7007_USB_EZUSB (1<<0)
57 #define GO7007_USB_EZUSB_I2C (1<<1)
59 struct go7007_usb_board {
61 struct go7007_board_info main_info;
65 struct go7007_usb_board *board;
66 struct mutex i2c_lock;
67 struct usb_device *usbdev;
68 struct urb *video_urbs[8];
69 struct urb *audio_urbs[8];
73 /*********************** Product specification data ***********************/
75 static struct go7007_usb_board board_matrix_ii = {
76 .flags = GO7007_USB_EZUSB,
78 .firmware = "go7007tv.bin",
79 .flags = GO7007_BOARD_HAS_AUDIO |
80 GO7007_BOARD_USE_ONBOARD_I2C,
81 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
87 .sensor_flags = GO7007_SENSOR_656 |
88 GO7007_SENSOR_VALID_ENABLE |
91 GO7007_SENSOR_SCALING,
95 .type = "wis_saa7115",
96 .id = I2C_DRIVERID_WIS_SAA7115,
114 static struct go7007_usb_board board_matrix_reload = {
115 .flags = GO7007_USB_EZUSB,
117 .firmware = "go7007tv.bin",
118 .flags = GO7007_BOARD_HAS_AUDIO |
119 GO7007_BOARD_USE_ONBOARD_I2C,
120 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
121 GO7007_AUDIO_I2S_MASTER |
122 GO7007_AUDIO_WORD_16,
127 .sensor_flags = GO7007_SENSOR_656 |
132 .type = "wis_saa7113",
133 .id = I2C_DRIVERID_WIS_SAA7113,
151 static struct go7007_usb_board board_star_trek = {
152 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
154 .firmware = "go7007tv.bin",
155 .flags = GO7007_BOARD_HAS_AUDIO, /* |
156 GO7007_BOARD_HAS_TUNER, */
157 .sensor_flags = GO7007_SENSOR_656 |
158 GO7007_SENSOR_VALID_ENABLE |
161 GO7007_SENSOR_SCALING,
162 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
163 GO7007_AUDIO_WORD_16,
170 .type = "wis_saa7115",
171 .id = I2C_DRIVERID_WIS_SAA7115,
179 /* .audio_input = AUDIO_EXTERN, */
184 /* .audio_input = AUDIO_EXTERN, */
189 * .audio_input = AUDIO_TUNER,
197 static struct go7007_usb_board board_px_tv402u = {
198 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
200 .firmware = "go7007tv.bin",
201 .flags = GO7007_BOARD_HAS_AUDIO |
202 GO7007_BOARD_HAS_TUNER,
203 .sensor_flags = GO7007_SENSOR_656 |
204 GO7007_SENSOR_VALID_ENABLE |
207 GO7007_SENSOR_SCALING,
208 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
209 GO7007_AUDIO_WORD_16,
216 .type = "wis_saa7115",
217 .id = I2C_DRIVERID_WIS_SAA7115,
221 .type = "wis_uda1342",
222 .id = I2C_DRIVERID_WIS_UDA1342,
226 .type = "wis_sony_tuner",
227 .id = I2C_DRIVERID_WIS_SONY_TUNER,
235 .audio_input = TVAUDIO_INPUT_EXTERN,
240 .audio_input = TVAUDIO_INPUT_EXTERN,
245 .audio_input = TVAUDIO_INPUT_TUNER,
252 static struct go7007_usb_board board_xmen = {
255 .firmware = "go7007tv.bin",
256 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
258 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
260 .sensor_height = 240,
261 .sensor_framerate = 30030,
262 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
263 GO7007_AUDIO_I2S_MODE_3 |
264 GO7007_AUDIO_WORD_14 |
265 GO7007_AUDIO_I2S_MASTER |
266 GO7007_AUDIO_BCLK_POLAR |
267 GO7007_AUDIO_OKI_MODE,
269 .audio_bclk_div = 48,
274 .type = "wis_ov7640",
275 .id = I2C_DRIVERID_WIS_OV7640,
288 static struct go7007_usb_board board_matrix_revolution = {
289 .flags = GO7007_USB_EZUSB,
291 .firmware = "go7007tv.bin",
292 .flags = GO7007_BOARD_HAS_AUDIO |
293 GO7007_BOARD_USE_ONBOARD_I2C,
294 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
295 GO7007_AUDIO_I2S_MASTER |
296 GO7007_AUDIO_WORD_16,
301 .sensor_flags = GO7007_SENSOR_656 |
307 .type = "wis_tw9903",
308 .id = I2C_DRIVERID_WIS_TW9903,
326 static struct go7007_usb_board board_lifeview_lr192 = {
327 .flags = GO7007_USB_EZUSB,
329 .firmware = "go7007tv.bin",
330 .flags = GO7007_BOARD_HAS_AUDIO |
331 GO7007_BOARD_USE_ONBOARD_I2C,
332 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
333 GO7007_AUDIO_WORD_16,
338 .sensor_flags = GO7007_SENSOR_656 |
339 GO7007_SENSOR_VALID_ENABLE |
342 GO7007_SENSOR_SCALING,
354 static struct go7007_usb_board board_endura = {
357 .firmware = "go7007tv.bin",
359 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
360 GO7007_AUDIO_I2S_MASTER |
361 GO7007_AUDIO_WORD_16,
363 .audio_bclk_div = 48,
366 .sensor_flags = GO7007_SENSOR_656 |
368 .sensor_h_offset = 8,
379 static struct go7007_usb_board board_adlink_mpg24 = {
382 .firmware = "go7007tv.bin",
383 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
384 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
385 GO7007_AUDIO_I2S_MASTER |
386 GO7007_AUDIO_WORD_16,
391 .sensor_flags = GO7007_SENSOR_656 |
397 .type = "wis_twTW2804",
398 .id = I2C_DRIVERID_WIS_TW2804,
399 .addr = 0x00, /* yes, really */
411 static struct go7007_usb_board board_sensoray_2250 = {
412 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
414 .firmware = "go7007tv.bin",
415 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
416 GO7007_AUDIO_I2S_MASTER |
417 GO7007_AUDIO_WORD_16,
418 .flags = GO7007_BOARD_HAS_AUDIO,
423 .sensor_flags = GO7007_SENSOR_656 |
429 .id = I2C_DRIVERID_S2250,
447 static struct usb_device_id go7007_usb_id_table[] = {
449 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
450 USB_DEVICE_ID_MATCH_INT_INFO,
451 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
452 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
453 .bcdDevice_lo = 0x200, /* Revision number of XMen */
454 .bcdDevice_hi = 0x200,
455 .bInterfaceClass = 255,
456 .bInterfaceSubClass = 0,
457 .bInterfaceProtocol = 255,
458 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
461 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
462 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
463 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
464 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
465 .bcdDevice_hi = 0x202,
466 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
469 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
470 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
471 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
472 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
473 .bcdDevice_hi = 0x204, /* Reloaded */
474 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
477 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
478 USB_DEVICE_ID_MATCH_INT_INFO,
479 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
480 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
481 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
482 .bcdDevice_hi = 0x205,
483 .bInterfaceClass = 255,
484 .bInterfaceSubClass = 0,
485 .bInterfaceProtocol = 255,
486 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
489 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
490 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
491 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
492 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
493 .bcdDevice_hi = 0x208,
494 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
497 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
498 USB_DEVICE_ID_MATCH_INT_INFO,
499 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
500 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
501 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
502 .bcdDevice_hi = 0x209,
503 .bInterfaceClass = 255,
504 .bInterfaceSubClass = 0,
505 .bInterfaceProtocol = 255,
506 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
509 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
510 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
511 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
512 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
513 .bcdDevice_hi = 0x210, /* Revolution */
514 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
517 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
518 .idVendor = 0x093b, /* Vendor ID of Plextor */
519 .idProduct = 0xa102, /* Product ID of M402U */
520 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
522 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
525 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
526 .idVendor = 0x093b, /* Vendor ID of Plextor */
527 .idProduct = 0xa104, /* Product ID of TV402U */
530 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
533 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
534 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
535 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
538 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
541 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
542 .idVendor = 0x1943, /* Vendor ID Sensoray */
543 .idProduct = 0x2250, /* Product ID of 2250/2251 */
546 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
548 { } /* Terminating entry */
551 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
553 /********************* Driver for EZ-USB HPI interface *********************/
555 static int go7007_usb_vendor_request(struct go7007 *go, int request,
556 int value, int index, void *transfer_buffer, int length, int in)
558 struct go7007_usb *usb = go->hpi_context;
562 return usb_control_msg(usb->usbdev,
563 usb_rcvctrlpipe(usb->usbdev, 0), request,
564 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
565 value, index, transfer_buffer, length, timeout);
567 return usb_control_msg(usb->usbdev,
568 usb_sndctrlpipe(usb->usbdev, 0), request,
569 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
570 value, index, transfer_buffer, length, timeout);
574 static int go7007_usb_interface_reset(struct go7007 *go)
576 struct go7007_usb *usb = go->hpi_context;
577 u16 intr_val, intr_data;
580 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
584 if (usb->board->flags & GO7007_USB_EZUSB) {
585 /* Reset buffer in EZ-USB */
586 #ifdef GO7007_USB_DEBUG
587 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
589 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
590 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
593 /* Reset encoder again */
594 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
599 /* Wait for an interrupt to indicate successful hardware reset */
600 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
601 (intr_val & ~0x1) != 0x55aa) {
603 "go7007-usb: unable to reset the USB interface\n");
609 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
612 struct go7007_usb *usb = go->hpi_context;
617 #ifdef GO7007_USB_DEBUG
619 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
622 for (i = 0; i < 100; ++i) {
623 r = usb_control_msg(usb->usbdev,
624 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
625 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
626 0, HPI_STATUS_ADDR, &status_reg,
627 sizeof(status_reg), timeout);
629 goto write_int_error;
630 __le16_to_cpus(&status_reg);
631 if (!(status_reg & 0x0010))
637 "go7007-usb: device is hung, status reg = 0x%04x\n",
641 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
642 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
643 INT_PARAM_ADDR, NULL, 0, timeout);
645 goto write_int_error;
646 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
647 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
648 INT_INDEX_ADDR, NULL, 0, timeout);
650 goto write_int_error;
654 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
658 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
661 struct go7007_usb *usb = go->hpi_context;
666 #ifdef GO7007_USB_DEBUG
668 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
671 tbuf = kmalloc(8, GFP_KERNEL);
675 tbuf[0] = data & 0xff;
677 tbuf[2] = addr & 0xff;
679 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
680 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
681 0xf0f0, tbuf, 8, timeout);
684 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
690 static void go7007_usb_readinterrupt_complete(struct urb *urb)
692 struct go7007 *go = (struct go7007 *)urb->context;
693 u16 *regs = (u16 *)urb->transfer_buffer;
694 int status = urb->status;
697 if (status != -ESHUTDOWN &&
698 go->status != STATUS_SHUTDOWN) {
700 "go7007-usb: error in read interrupt: %d\n",
703 wake_up(&go->interrupt_waitq);
706 } else if (urb->actual_length != urb->transfer_buffer_length) {
707 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
709 go->interrupt_available = 1;
710 go->interrupt_data = __le16_to_cpu(regs[0]);
711 go->interrupt_value = __le16_to_cpu(regs[1]);
712 #ifdef GO7007_USB_DEBUG
713 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
714 go->interrupt_value, go->interrupt_data);
718 wake_up(&go->interrupt_waitq);
721 static int go7007_usb_read_interrupt(struct go7007 *go)
723 struct go7007_usb *usb = go->hpi_context;
726 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
729 "go7007-usb: unable to submit interrupt urb: %d\n", r);
735 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
737 struct go7007 *go = (struct go7007 *)urb->context;
738 int r, status = urb->status;
740 if (!go->streaming) {
741 wake_up_interruptible(&go->frame_waitq);
745 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
749 if (urb->actual_length != urb->transfer_buffer_length) {
750 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
753 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
754 r = usb_submit_urb(urb, GFP_ATOMIC);
756 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
759 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
761 struct go7007 *go = (struct go7007 *)urb->context;
762 int r, status = urb->status;
767 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
771 if (urb->actual_length != urb->transfer_buffer_length) {
772 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
775 if (go->audio_deliver != NULL)
776 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
777 r = usb_submit_urb(urb, GFP_ATOMIC);
779 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
782 static int go7007_usb_stream_start(struct go7007 *go)
784 struct go7007_usb *usb = go->hpi_context;
787 for (i = 0; i < 8; ++i) {
788 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
790 printk(KERN_ERR "go7007-usb: error submitting video "
791 "urb %d: %d\n", i, r);
792 goto video_submit_failed;
795 if (!go->audio_enabled)
798 for (i = 0; i < 8; ++i) {
799 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
801 printk(KERN_ERR "go7007-usb: error submitting audio "
802 "urb %d: %d\n", i, r);
803 goto audio_submit_failed;
809 for (i = 0; i < 7; ++i)
810 usb_kill_urb(usb->audio_urbs[i]);
812 for (i = 0; i < 8; ++i)
813 usb_kill_urb(usb->video_urbs[i]);
817 static int go7007_usb_stream_stop(struct go7007 *go)
819 struct go7007_usb *usb = go->hpi_context;
822 if (go->status == STATUS_SHUTDOWN)
824 for (i = 0; i < 8; ++i)
825 usb_kill_urb(usb->video_urbs[i]);
826 if (go->audio_enabled)
827 for (i = 0; i < 8; ++i)
828 usb_kill_urb(usb->audio_urbs[i]);
832 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
834 struct go7007_usb *usb = go->hpi_context;
835 int transferred, pipe;
838 #ifdef GO7007_USB_DEBUG
839 printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
842 if (usb->board->flags & GO7007_USB_EZUSB)
843 pipe = usb_sndbulkpipe(usb->usbdev, 2);
845 pipe = usb_sndbulkpipe(usb->usbdev, 3);
847 return usb_bulk_msg(usb->usbdev, pipe, data, len,
848 &transferred, timeout);
851 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
852 .interface_reset = go7007_usb_interface_reset,
853 .write_interrupt = go7007_usb_ezusb_write_interrupt,
854 .read_interrupt = go7007_usb_read_interrupt,
855 .stream_start = go7007_usb_stream_start,
856 .stream_stop = go7007_usb_stream_stop,
857 .send_firmware = go7007_usb_send_firmware,
860 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
861 .interface_reset = go7007_usb_interface_reset,
862 .write_interrupt = go7007_usb_onboard_write_interrupt,
863 .read_interrupt = go7007_usb_read_interrupt,
864 .stream_start = go7007_usb_stream_start,
865 .stream_stop = go7007_usb_stream_stop,
866 .send_firmware = go7007_usb_send_firmware,
869 /********************* Driver for EZ-USB I2C adapter *********************/
871 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
872 struct i2c_msg msgs[], int num)
874 struct go7007 *go = i2c_get_adapdata(adapter);
875 struct go7007_usb *usb = go->hpi_context;
880 if (go->status == STATUS_SHUTDOWN)
883 mutex_lock(&usb->i2c_lock);
885 for (i = 0; i < num; ++i) {
886 /* The hardware command is "write some bytes then read some
887 * bytes", so we try to coalesce a write followed by a read
888 * into a single USB transaction */
889 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
890 !(msgs[i].flags & I2C_M_RD) &&
891 (msgs[i + 1].flags & I2C_M_RD)) {
892 #ifdef GO7007_I2C_DEBUG
893 printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
894 "bytes on %02x\n", msgs[i].len,
895 msgs[i + 1].len, msgs[i].addr);
898 buf[1] = msgs[i].len + 1;
899 buf[2] = msgs[i].addr << 1;
900 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
901 buf_len = msgs[i].len + 3;
902 buf[buf_len++] = msgs[++i].len;
903 } else if (msgs[i].flags & I2C_M_RD) {
904 #ifdef GO7007_I2C_DEBUG
905 printk(KERN_DEBUG "go7007-usb: i2c read %d "
906 "bytes on %02x\n", msgs[i].len,
911 buf[2] = msgs[i].addr << 1;
912 buf[3] = msgs[i].len;
915 #ifdef GO7007_I2C_DEBUG
916 printk(KERN_DEBUG "go7007-usb: i2c write %d "
917 "bytes on %02x\n", msgs[i].len,
921 buf[1] = msgs[i].len + 1;
922 buf[2] = msgs[i].addr << 1;
923 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
924 buf_len = msgs[i].len + 3;
927 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
928 buf, buf_len, 0) < 0)
930 if (msgs[i].flags & I2C_M_RD) {
931 memset(buf, 0, sizeof(buf));
932 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
933 msgs[i].len + 1, 1) < 0)
935 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
941 mutex_unlock(&usb->i2c_lock);
945 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
947 /* No errors are reported by the hardware, so we don't bother
948 * supporting quick writes to avoid confusing probing */
949 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
952 static struct i2c_algorithm go7007_usb_algo = {
953 .master_xfer = go7007_usb_i2c_master_xfer,
954 .functionality = go7007_usb_functionality,
957 static struct i2c_adapter go7007_usb_adap_templ = {
958 .owner = THIS_MODULE,
959 .name = "WIS GO7007SB EZ-USB",
960 .algo = &go7007_usb_algo,
963 /********************* USB add/remove functions *********************/
965 static int go7007_usb_probe(struct usb_interface *intf,
966 const struct usb_device_id *id)
969 struct go7007_usb *usb;
970 struct go7007_usb_board *board;
971 struct usb_device *usbdev = interface_to_usbdev(intf);
973 int video_pipe, i, v_urb_len;
975 printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
977 switch (id->driver_info) {
978 case GO7007_BOARDID_MATRIX_II:
979 name = "WIS Matrix II or compatible";
980 board = &board_matrix_ii;
982 case GO7007_BOARDID_MATRIX_RELOAD:
983 name = "WIS Matrix Reloaded or compatible";
984 board = &board_matrix_reload;
986 case GO7007_BOARDID_MATRIX_REV:
987 name = "WIS Matrix Revolution or compatible";
988 board = &board_matrix_revolution;
990 case GO7007_BOARDID_STAR_TREK:
991 name = "WIS Star Trek or compatible";
992 board = &board_star_trek;
994 case GO7007_BOARDID_XMEN:
995 name = "WIS XMen or compatible";
998 case GO7007_BOARDID_XMEN_II:
999 name = "WIS XMen II or compatible";
1000 board = &board_xmen;
1002 case GO7007_BOARDID_XMEN_III:
1003 name = "WIS XMen III or compatible";
1004 board = &board_xmen;
1006 case GO7007_BOARDID_PX_M402U:
1007 name = "Plextor PX-M402U";
1008 board = &board_matrix_ii;
1010 case GO7007_BOARDID_PX_TV402U_ANY:
1011 name = "Plextor PX-TV402U (unknown tuner)";
1012 board = &board_px_tv402u;
1014 case GO7007_BOARDID_LIFEVIEW_LR192:
1015 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1016 "is not supported. Sorry!\n");
1018 name = "Lifeview TV Walker Ultra";
1019 board = &board_lifeview_lr192;
1021 case GO7007_BOARDID_SENSORAY_2250:
1022 printk(KERN_INFO "Sensoray 2250 found\n");
1023 name = "Sensoray 2250/2251";
1024 board = &board_sensoray_2250;
1027 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1028 (unsigned int)id->driver_info);
1032 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1036 /* Allocate the URB and buffer for receiving incoming interrupts */
1037 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1038 if (usb->intr_urb == NULL)
1040 usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1041 if (usb->intr_urb->transfer_buffer == NULL)
1044 go = go7007_alloc(&board->main_info, &intf->dev);
1048 usb->usbdev = usbdev;
1049 go->board_id = id->driver_info;
1050 strncpy(go->name, name, sizeof(go->name));
1051 if (board->flags & GO7007_USB_EZUSB)
1052 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1054 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1055 go->hpi_context = usb;
1056 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1057 usb_rcvintpipe(usb->usbdev, 4),
1058 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1059 go7007_usb_readinterrupt_complete, go, 8);
1060 usb_set_intfdata(intf, &go->v4l2_dev);
1062 /* Boot the GO7007 */
1063 if (go7007_boot_encoder(go, go->board_info->flags &
1064 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1067 /* Register the EZ-USB I2C adapter, if we're using it */
1068 if (board->flags & GO7007_USB_EZUSB_I2C) {
1069 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1070 sizeof(go7007_usb_adap_templ));
1071 mutex_init(&usb->i2c_lock);
1072 go->i2c_adapter.dev.parent = go->dev;
1073 i2c_set_adapdata(&go->i2c_adapter, go);
1074 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1076 "go7007-usb: error: i2c_add_adapter failed\n");
1079 go->i2c_adapter_online = 1;
1082 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1083 * IDs for their own incompatible designs. We can detect XMen boards
1084 * by probing the sensor, but there is no way to probe the sensors on
1085 * the Pelco and Adlink designs so we default to the Adlink. If it
1086 * is actually a Pelco, the user must set the assume_endura module
1088 if ((go->board_id == GO7007_BOARDID_XMEN ||
1089 go->board_id == GO7007_BOARDID_XMEN_III) &&
1090 go->i2c_adapter_online) {
1091 union i2c_smbus_data data;
1093 /* Check to see if register 0x0A is 0x76 */
1094 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1095 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1096 if (data.byte != 0x76) {
1097 if (assume_endura) {
1098 go->board_id = GO7007_BOARDID_ENDURA;
1099 usb->board = board = &board_endura;
1100 go->board_info = &board->main_info;
1101 strncpy(go->name, "Pelco Endura",
1106 /* set GPIO5 to be an output, currently low */
1107 go7007_write_addr(go, 0x3c82, 0x0000);
1108 go7007_write_addr(go, 0x3c80, 0x00df);
1109 /* read channel number from GPIO[1:0] */
1110 go7007_read_addr(go, 0x3c81, &channel);
1112 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1113 usb->board = board = &board_adlink_mpg24;
1114 go->board_info = &board->main_info;
1115 go->channel_number = channel;
1116 snprintf(go->name, sizeof(go->name),
1117 "Adlink PCI-MPG24, channel #%d",
1123 /* Probe the tuner model on the TV402U */
1124 if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1127 /* Board strapping indicates tuner model */
1128 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1129 printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1132 switch (data[0] >> 6) {
1134 go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1135 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1136 strncpy(go->name, "Plextor PX-TV402U-EU",
1140 go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1141 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1142 strncpy(go->name, "Plextor PX-TV402U-JP",
1146 go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1147 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1148 strncpy(go->name, "Plextor PX-TV402U-NA",
1152 printk(KERN_DEBUG "go7007-usb: unable to detect "
1156 /* Configure tuner mode selection inputs connected
1157 * to the EZ-USB GPIO output pins */
1158 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1160 printk(KERN_ERR "go7007-usb: GPIO write failed!\n");
1165 /* Print a nasty message if the user attempts to use a USB2.0 device in
1166 * a USB1.1 port. There will be silent corruption of the stream. */
1167 if ((board->flags & GO7007_USB_EZUSB) &&
1168 usbdev->speed != USB_SPEED_HIGH)
1169 printk(KERN_ERR "go7007-usb: *** WARNING *** This device "
1170 "must be connected to a USB 2.0 port! "
1171 "Attempting to capture video through a USB 1.1 "
1172 "port will result in stream corruption, even "
1173 "at low bitrates!\n");
1175 /* Do any final GO7007 initialization, then register the
1176 * V4L2 and ALSA interfaces */
1177 if (go7007_register_encoder(go) < 0)
1180 /* Allocate the URBs and buffers for receiving the video stream */
1181 if (board->flags & GO7007_USB_EZUSB) {
1183 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1186 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1188 for (i = 0; i < 8; ++i) {
1189 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1190 if (usb->video_urbs[i] == NULL)
1192 usb->video_urbs[i]->transfer_buffer =
1193 kmalloc(v_urb_len, GFP_KERNEL);
1194 if (usb->video_urbs[i]->transfer_buffer == NULL)
1196 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1197 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1198 go7007_usb_read_video_pipe_complete, go);
1201 /* Allocate the URBs and buffers for receiving the audio stream */
1202 if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1203 for (i = 0; i < 8; ++i) {
1204 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1205 if (usb->audio_urbs[i] == NULL)
1207 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1209 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1211 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1212 usb_rcvbulkpipe(usb->usbdev, 8),
1213 usb->audio_urbs[i]->transfer_buffer, 4096,
1214 go7007_usb_read_audio_pipe_complete, go);
1218 go->status = STATUS_ONLINE;
1222 go->status = STATUS_SHUTDOWN;
1226 if (usb->intr_urb) {
1227 kfree(usb->intr_urb->transfer_buffer);
1228 usb_free_urb(usb->intr_urb);
1234 static void go7007_usb_disconnect(struct usb_interface *intf)
1236 struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1237 struct go7007_usb *usb = go->hpi_context;
1238 struct urb *vurb, *aurb;
1241 go->status = STATUS_SHUTDOWN;
1242 usb_kill_urb(usb->intr_urb);
1244 /* Free USB-related structs */
1245 for (i = 0; i < 8; ++i) {
1246 vurb = usb->video_urbs[i];
1249 if (vurb->transfer_buffer)
1250 kfree(vurb->transfer_buffer);
1253 aurb = usb->audio_urbs[i];
1256 if (aurb->transfer_buffer)
1257 kfree(aurb->transfer_buffer);
1261 kfree(usb->intr_urb->transfer_buffer);
1262 usb_free_urb(usb->intr_urb);
1264 kfree(go->hpi_context);
1269 static struct usb_driver go7007_usb_driver = {
1271 .probe = go7007_usb_probe,
1272 .disconnect = go7007_usb_disconnect,
1273 .id_table = go7007_usb_id_table,
1276 static int __init go7007_usb_init(void)
1278 return usb_register(&go7007_usb_driver);
1281 static void __exit go7007_usb_cleanup(void)
1283 usb_deregister(&go7007_usb_driver);
1286 module_init(go7007_usb_init);
1287 module_exit(go7007_usb_cleanup);
1289 MODULE_LICENSE("GPL v2");