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path: root/drivers/media/usb/go7007/go7007-usb.c
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Diffstat (limited to 'drivers/media/usb/go7007/go7007-usb.c')
-rw-r--r--drivers/media/usb/go7007/go7007-usb.c1345
1 files changed, 1345 insertions, 0 deletions
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
new file mode 100644
index 000000000000..ece27ece8115
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -0,0 +1,1345 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <asm/byteorder.h>
+#include <media/saa7115.h>
+#include <media/tuner.h>
+#include <media/uda1342.h>
+
+#include "go7007-priv.h"
+
+static unsigned int assume_endura;
+module_param(assume_endura, int, 0644);
+MODULE_PARM_DESC(assume_endura,
+ "when probing fails, hardware is a Pelco Endura");
+
+/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
+
+#define HPI_STATUS_ADDR 0xFFF4
+#define INT_PARAM_ADDR 0xFFF6
+#define INT_INDEX_ADDR 0xFFF8
+
+/*
+ * Pipes on EZ-USB interface:
+ * 0 snd - Control
+ * 0 rcv - Control
+ * 2 snd - Download firmware (control)
+ * 4 rcv - Read Interrupt (interrupt)
+ * 6 rcv - Read Video (bulk)
+ * 8 rcv - Read Audio (bulk)
+ */
+
+#define GO7007_USB_EZUSB (1<<0)
+#define GO7007_USB_EZUSB_I2C (1<<1)
+
+struct go7007_usb_board {
+ unsigned int flags;
+ struct go7007_board_info main_info;
+};
+
+struct go7007_usb {
+ const struct go7007_usb_board *board;
+ struct mutex i2c_lock;
+ struct usb_device *usbdev;
+ struct urb *video_urbs[8];
+ struct urb *audio_urbs[8];
+ struct urb *intr_urb;
+};
+
+/*********************** Product specification data ***********************/
+
+static const struct go7007_usb_board board_matrix_ii = {
+ .flags = GO7007_USB_EZUSB,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_VALID_ENABLE |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_SAA7115 |
+ GO7007_SENSOR_VBI |
+ GO7007_SENSOR_SCALING,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "saa7115",
+ .addr = 0x20,
+ .is_video = 1,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ {
+ .video_input = 0,
+ .name = "Composite",
+ },
+ {
+ .video_input = 9,
+ .name = "S-Video",
+ },
+ },
+ .video_config = SAA7115_IDQ_IS_DEFAULT,
+ },
+};
+
+static const struct go7007_usb_board board_matrix_reload = {
+ .flags = GO7007_USB_EZUSB,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "saa7113",
+ .addr = 0x25,
+ .is_video = 1,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ {
+ .video_input = 0,
+ .name = "Composite",
+ },
+ {
+ .video_input = 9,
+ .name = "S-Video",
+ },
+ },
+ .video_config = SAA7115_IDQ_IS_DEFAULT,
+ },
+};
+
+static const struct go7007_usb_board board_star_trek = {
+ .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO, /* |
+ GO7007_BOARD_HAS_TUNER, */
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_VALID_ENABLE |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_SAA7115 |
+ GO7007_SENSOR_VBI |
+ GO7007_SENSOR_SCALING,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_WORD_16,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "saa7115",
+ .addr = 0x20,
+ .is_video = 1,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ /* {
+ * .video_input = 3,
+ * .audio_index = AUDIO_TUNER,
+ * .name = "Tuner",
+ * },
+ */
+ {
+ .video_input = 1,
+ /* .audio_index = AUDIO_EXTERN, */
+ .name = "Composite",
+ },
+ {
+ .video_input = 8,
+ /* .audio_index = AUDIO_EXTERN, */
+ .name = "S-Video",
+ },
+ },
+ .video_config = SAA7115_IDQ_IS_DEFAULT,
+ },
+};
+
+static const struct go7007_usb_board board_px_tv402u = {
+ .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_HAS_TUNER,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_VALID_ENABLE |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_SAA7115 |
+ GO7007_SENSOR_VBI |
+ GO7007_SENSOR_SCALING,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_WORD_16,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .num_i2c_devs = 5,
+ .i2c_devs = {
+ {
+ .type = "saa7115",
+ .addr = 0x20,
+ .is_video = 1,
+ },
+ {
+ .type = "uda1342",
+ .addr = 0x1a,
+ .is_audio = 1,
+ },
+ {
+ .type = "tuner",
+ .addr = 0x60,
+ },
+ {
+ .type = "tuner",
+ .addr = 0x43,
+ },
+ {
+ .type = "sony-btf-mpx",
+ .addr = 0x44,
+ },
+ },
+ .num_inputs = 3,
+ .inputs = {
+ {
+ .video_input = 3,
+ .audio_index = 0,
+ .name = "Tuner",
+ },
+ {
+ .video_input = 1,
+ .audio_index = 1,
+ .name = "Composite",
+ },
+ {
+ .video_input = 8,
+ .audio_index = 1,
+ .name = "S-Video",
+ },
+ },
+ .video_config = SAA7115_IDQ_IS_DEFAULT,
+ .num_aud_inputs = 2,
+ .aud_inputs = {
+ {
+ .audio_input = UDA1342_IN2,
+ .name = "Tuner",
+ },
+ {
+ .audio_input = UDA1342_IN1,
+ .name = "Line In",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_xmen = {
+ .flags = 0,
+ .main_info = {
+ .flags = GO7007_BOARD_USE_ONBOARD_I2C,
+ .hpi_buffer_cap = 0,
+ .sensor_flags = GO7007_SENSOR_VREF_POLAR,
+ .sensor_width = 320,
+ .sensor_height = 240,
+ .sensor_framerate = 30030,
+ .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
+ GO7007_AUDIO_I2S_MODE_3 |
+ GO7007_AUDIO_WORD_14 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_BCLK_POLAR |
+ GO7007_AUDIO_OKI_MODE,
+ .audio_rate = 8000,
+ .audio_bclk_div = 48,
+ .audio_main_div = 1,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "ov7640",
+ .addr = 0x21,
+ },
+ },
+ .num_inputs = 1,
+ .inputs = {
+ {
+ .name = "Camera",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_matrix_revolution = {
+ .flags = GO7007_USB_EZUSB,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_VBI,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "tw9903",
+ .is_video = 1,
+ .addr = 0x44,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ {
+ .video_input = 2,
+ .name = "Composite",
+ },
+ {
+ .video_input = 8,
+ .name = "S-Video",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_lifeview_lr192 = {
+ .flags = GO7007_USB_EZUSB,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_VALID_ENABLE |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_VBI |
+ GO7007_SENSOR_SCALING,
+ .num_i2c_devs = 0,
+ .num_inputs = 1,
+ .inputs = {
+ {
+ .video_input = 0,
+ .name = "Composite",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_endura = {
+ .flags = 0,
+ .main_info = {
+ .flags = 0,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 8000,
+ .audio_bclk_div = 48,
+ .audio_main_div = 8,
+ .hpi_buffer_cap = 0,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV,
+ .sensor_h_offset = 8,
+ .num_i2c_devs = 0,
+ .num_inputs = 1,
+ .inputs = {
+ {
+ .name = "Camera",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_adlink_mpg24 = {
+ .flags = 0,
+ .main_info = {
+ .flags = GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 0,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_VBI,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "tw2804",
+ .addr = 0x00, /* yes, really */
+ .flags = I2C_CLIENT_TEN,
+ .is_video = 1,
+ },
+ },
+ .num_inputs = 1,
+ .inputs = {
+ {
+ .name = "Composite",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_sensoray_2250 = {
+ .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+ .main_info = {
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .flags = GO7007_BOARD_HAS_AUDIO,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "s2250",
+ .addr = 0x43,
+ .is_video = 1,
+ .is_audio = 1,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ {
+ .video_input = 0,
+ .name = "Composite",
+ },
+ {
+ .video_input = 1,
+ .name = "S-Video",
+ },
+ },
+ .num_aud_inputs = 3,
+ .aud_inputs = {
+ {
+ .audio_input = 0,
+ .name = "Line In",
+ },
+ {
+ .audio_input = 1,
+ .name = "Mic",
+ },
+ {
+ .audio_input = 2,
+ .name = "Mic Boost",
+ },
+ },
+ },
+};
+
+static const struct go7007_usb_board board_ads_usbav_709 = {
+ .flags = GO7007_USB_EZUSB,
+ .main_info = {
+ .flags = GO7007_BOARD_HAS_AUDIO |
+ GO7007_BOARD_USE_ONBOARD_I2C,
+ .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
+ GO7007_AUDIO_I2S_MASTER |
+ GO7007_AUDIO_WORD_16,
+ .audio_rate = 48000,
+ .audio_bclk_div = 8,
+ .audio_main_div = 2,
+ .hpi_buffer_cap = 7,
+ .sensor_flags = GO7007_SENSOR_656 |
+ GO7007_SENSOR_TV |
+ GO7007_SENSOR_VBI,
+ .num_i2c_devs = 1,
+ .i2c_devs = {
+ {
+ .type = "tw9906",
+ .is_video = 1,
+ .addr = 0x44,
+ },
+ },
+ .num_inputs = 2,
+ .inputs = {
+ {
+ .video_input = 0,
+ .name = "Composite",
+ },
+ {
+ .video_input = 10,
+ .name = "S-Video",
+ },
+ },
+ },
+};
+
+static const struct usb_device_id go7007_usb_id_table[] = {
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x200, /* Revision number of XMen */
+ .bcdDevice_hi = 0x200,
+ .bInterfaceClass = 255,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 255,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
+ .bcdDevice_hi = 0x202,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x204, /* Revision number of Matrix */
+ .bcdDevice_hi = 0x204, /* Reloaded */
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
+ .bcdDevice_hi = 0x205,
+ .bInterfaceClass = 255,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 255,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
+ .bcdDevice_hi = 0x208,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
+ .bcdDevice_hi = 0x209,
+ .bInterfaceClass = 255,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 255,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
+ .idProduct = 0x7007, /* Product ID of GO7007SB chip */
+ .bcdDevice_lo = 0x210, /* Revision number of Matrix */
+ .bcdDevice_hi = 0x210, /* Revolution */
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x093b, /* Vendor ID of Plextor */
+ .idProduct = 0xa102, /* Product ID of M402U */
+ .bcdDevice_lo = 0x1, /* revision number of Blueberry */
+ .bcdDevice_hi = 0x1,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x093b, /* Vendor ID of Plextor */
+ .idProduct = 0xa104, /* Product ID of TV402U */
+ .bcdDevice_lo = 0x1,
+ .bcdDevice_hi = 0x1,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
+ .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
+ .bcdDevice_lo = 0x1,
+ .bcdDevice_hi = 0x1,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x1943, /* Vendor ID Sensoray */
+ .idProduct = 0x2250, /* Product ID of 2250/2251 */
+ .bcdDevice_lo = 0x1,
+ .bcdDevice_hi = 0x1,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+ .idVendor = 0x06e1, /* Vendor ID of ADS Technologies */
+ .idProduct = 0x0709, /* Product ID of DVD Xpress DX2 */
+ .bcdDevice_lo = 0x204,
+ .bcdDevice_hi = 0x204,
+ .driver_info = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
+ },
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
+
+/********************* Driver for EZ-USB HPI interface *********************/
+
+static int go7007_usb_vendor_request(struct go7007 *go, int request,
+ int value, int index, void *transfer_buffer, int length, int in)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int timeout = 5000;
+
+ if (in) {
+ return usb_control_msg(usb->usbdev,
+ usb_rcvctrlpipe(usb->usbdev, 0), request,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+ value, index, transfer_buffer, length, timeout);
+ } else {
+ return usb_control_msg(usb->usbdev,
+ usb_sndctrlpipe(usb->usbdev, 0), request,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index, transfer_buffer, length, timeout);
+ }
+}
+
+static int go7007_usb_interface_reset(struct go7007 *go)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ u16 intr_val, intr_data;
+
+ if (go->status == STATUS_SHUTDOWN)
+ return -1;
+ /* Reset encoder */
+ if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+ return -1;
+ msleep(100);
+
+ if (usb->board->flags & GO7007_USB_EZUSB) {
+ /* Reset buffer in EZ-USB */
+ pr_debug("resetting EZ-USB buffers\n");
+ if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
+ go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
+ return -1;
+
+ /* Reset encoder again */
+ if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+ return -1;
+ msleep(100);
+ }
+
+ /* Wait for an interrupt to indicate successful hardware reset */
+ if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+ (intr_val & ~0x1) != 0x55aa) {
+ dev_err(go->dev, "unable to reset the USB interface\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
+ int addr, int data)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int i, r;
+ u16 status_reg = 0;
+ int timeout = 500;
+
+ pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+ for (i = 0; i < 100; ++i) {
+ r = usb_control_msg(usb->usbdev,
+ usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+ 0, HPI_STATUS_ADDR, go->usb_buf,
+ sizeof(status_reg), timeout);
+ if (r < 0)
+ break;
+ status_reg = le16_to_cpu(*((u16 *)go->usb_buf));
+ if (!(status_reg & 0x0010))
+ break;
+ msleep(10);
+ }
+ if (r < 0)
+ goto write_int_error;
+ if (i == 100) {
+ dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
+ return -1;
+ }
+ r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
+ INT_PARAM_ADDR, NULL, 0, timeout);
+ if (r < 0)
+ goto write_int_error;
+ r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
+ 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
+ INT_INDEX_ADDR, NULL, 0, timeout);
+ if (r < 0)
+ goto write_int_error;
+ return 0;
+
+write_int_error:
+ dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+ return r;
+}
+
+static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
+ int addr, int data)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int r;
+ int timeout = 500;
+
+ pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+ go->usb_buf[0] = data & 0xff;
+ go->usb_buf[1] = data >> 8;
+ go->usb_buf[2] = addr & 0xff;
+ go->usb_buf[3] = addr >> 8;
+ go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
+ r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
+ 0xf0f0, go->usb_buf, 8, timeout);
+ if (r < 0) {
+ dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+ return r;
+ }
+ return 0;
+}
+
+static void go7007_usb_readinterrupt_complete(struct urb *urb)
+{
+ struct go7007 *go = (struct go7007 *)urb->context;
+ u16 *regs = (u16 *)urb->transfer_buffer;
+ int status = urb->status;
+
+ if (status) {
+ if (status != -ESHUTDOWN &&
+ go->status != STATUS_SHUTDOWN) {
+ dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
+ } else {
+ wake_up(&go->interrupt_waitq);
+ return;
+ }
+ } else if (urb->actual_length != urb->transfer_buffer_length) {
+ dev_err(go->dev, "short read in interrupt pipe!\n");
+ } else {
+ go->interrupt_available = 1;
+ go->interrupt_data = __le16_to_cpu(regs[0]);
+ go->interrupt_value = __le16_to_cpu(regs[1]);
+ pr_debug("ReadInterrupt: %04x %04x\n",
+ go->interrupt_value, go->interrupt_data);
+ }
+
+ wake_up(&go->interrupt_waitq);
+}
+
+static int go7007_usb_read_interrupt(struct go7007 *go)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int r;
+
+ r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
+ if (r < 0) {
+ dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
+ return r;
+ }
+ return 0;
+}
+
+static void go7007_usb_read_video_pipe_complete(struct urb *urb)
+{
+ struct go7007 *go = (struct go7007 *)urb->context;
+ int r, status = urb->status;
+
+ if (!vb2_is_streaming(&go->vidq)) {
+ wake_up_interruptible(&go->frame_waitq);
+ return;
+ }
+ if (status) {
+ dev_err(go->dev, "error in video pipe: %d\n", status);
+ return;
+ }
+ if (urb->actual_length != urb->transfer_buffer_length) {
+ dev_err(go->dev, "short read in video pipe!\n");
+ return;
+ }
+ go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
+ r = usb_submit_urb(urb, GFP_ATOMIC);
+ if (r < 0)
+ dev_err(go->dev, "error in video pipe: %d\n", r);
+}
+
+static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
+{
+ struct go7007 *go = (struct go7007 *)urb->context;
+ int r, status = urb->status;
+
+ if (!vb2_is_streaming(&go->vidq))
+ return;
+ if (status) {
+ dev_err(go->dev, "error in audio pipe: %d\n",
+ status);
+ return;
+ }
+ if (urb->actual_length != urb->transfer_buffer_length) {
+ dev_err(go->dev, "short read in audio pipe!\n");
+ return;
+ }
+ if (go->audio_deliver != NULL)
+ go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
+ r = usb_submit_urb(urb, GFP_ATOMIC);
+ if (r < 0)
+ dev_err(go->dev, "error in audio pipe: %d\n", r);
+}
+
+static int go7007_usb_stream_start(struct go7007 *go)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int i, r;
+
+ for (i = 0; i < 8; ++i) {
+ r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
+ if (r < 0) {
+ dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
+ goto video_submit_failed;
+ }
+ }
+ if (!go->audio_enabled)
+ return 0;
+
+ for (i = 0; i < 8; ++i) {
+ r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
+ if (r < 0) {
+ dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
+ goto audio_submit_failed;
+ }
+ }
+ return 0;
+
+audio_submit_failed:
+ for (i = 0; i < 7; ++i)
+ usb_kill_urb(usb->audio_urbs[i]);
+video_submit_failed:
+ for (i = 0; i < 8; ++i)
+ usb_kill_urb(usb->video_urbs[i]);
+ return -1;
+}
+
+static int go7007_usb_stream_stop(struct go7007 *go)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int i;
+
+ if (go->status == STATUS_SHUTDOWN)
+ return 0;
+ for (i = 0; i < 8; ++i)
+ usb_kill_urb(usb->video_urbs[i]);
+ if (go->audio_enabled)
+ for (i = 0; i < 8; ++i)
+ usb_kill_urb(usb->audio_urbs[i]);
+ return 0;
+}
+
+static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ int transferred, pipe;
+ int timeout = 500;
+
+ pr_debug("DownloadBuffer sending %d bytes\n", len);
+
+ if (usb->board->flags & GO7007_USB_EZUSB)
+ pipe = usb_sndbulkpipe(usb->usbdev, 2);
+ else
+ pipe = usb_sndbulkpipe(usb->usbdev, 3);
+
+ return usb_bulk_msg(usb->usbdev, pipe, data, len,
+ &transferred, timeout);
+}
+
+static void go7007_usb_release(struct go7007 *go)
+{
+ struct go7007_usb *usb = go->hpi_context;
+ struct urb *vurb, *aurb;
+ int i;
+
+ if (usb->intr_urb) {
+ usb_kill_urb(usb->intr_urb);
+ kfree(usb->intr_urb->transfer_buffer);
+ usb_free_urb(usb->intr_urb);
+ }
+
+ /* Free USB-related structs */
+ for (i = 0; i < 8; ++i) {
+ vurb = usb->video_urbs[i];
+ if (vurb) {
+ usb_kill_urb(vurb);
+ kfree(vurb->transfer_buffer);
+ usb_free_urb(vurb);
+ }
+ aurb = usb->audio_urbs[i];
+ if (aurb) {
+ usb_kill_urb(aurb);
+ kfree(aurb->transfer_buffer);
+ usb_free_urb(aurb);
+ }
+ }
+
+ kfree(go->hpi_context);
+}
+
+static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
+ .interface_reset = go7007_usb_interface_reset,
+ .write_interrupt = go7007_usb_ezusb_write_interrupt,
+ .read_interrupt = go7007_usb_read_interrupt,
+ .stream_start = go7007_usb_stream_start,
+ .stream_stop = go7007_usb_stream_stop,
+ .send_firmware = go7007_usb_send_firmware,
+ .release = go7007_usb_release,
+};
+
+static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
+ .interface_reset = go7007_usb_interface_reset,
+ .write_interrupt = go7007_usb_onboard_write_interrupt,
+ .read_interrupt = go7007_usb_read_interrupt,
+ .stream_start = go7007_usb_stream_start,
+ .stream_stop = go7007_usb_stream_stop,
+ .send_firmware = go7007_usb_send_firmware,
+ .release = go7007_usb_release,
+};
+
+/********************* Driver for EZ-USB I2C adapter *********************/
+
+static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg msgs[], int num)
+{
+ struct go7007 *go = i2c_get_adapdata(adapter);
+ struct go7007_usb *usb = go->hpi_context;
+ u8 *buf = go->usb_buf;
+ int buf_len, i;
+ int ret = -EIO;
+
+ if (go->status == STATUS_SHUTDOWN)
+ return -ENODEV;
+
+ mutex_lock(&usb->i2c_lock);
+
+ for (i = 0; i < num; ++i) {
+ /* The hardware command is "write some bytes then read some
+ * bytes", so we try to coalesce a write followed by a read
+ * into a single USB transaction */
+ if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
+ !(msgs[i].flags & I2C_M_RD) &&
+ (msgs[i + 1].flags & I2C_M_RD)) {
+#ifdef GO7007_I2C_DEBUG
+ pr_debug("i2c write/read %d/%d bytes on %02x\n",
+ msgs[i].len, msgs[i + 1].len, msgs[i].addr);
+#endif
+ buf[0] = 0x01;
+ buf[1] = msgs[i].len + 1;
+ buf[2] = msgs[i].addr << 1;
+ memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+ buf_len = msgs[i].len + 3;
+ buf[buf_len++] = msgs[++i].len;
+ } else if (msgs[i].flags & I2C_M_RD) {
+#ifdef GO7007_I2C_DEBUG
+ pr_debug("i2c read %d bytes on %02x\n",
+ msgs[i].len, msgs[i].addr);
+#endif
+ buf[0] = 0x01;
+ buf[1] = 1;
+ buf[2] = msgs[i].addr << 1;
+ buf[3] = msgs[i].len;
+ buf_len = 4;
+ } else {
+#ifdef GO7007_I2C_DEBUG
+ pr_debug("i2c write %d bytes on %02x\n",
+ msgs[i].len, msgs[i].addr);
+#endif
+ buf[0] = 0x00;
+ buf[1] = msgs[i].len + 1;
+ buf[2] = msgs[i].addr << 1;
+ memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+ buf_len = msgs[i].len + 3;
+ buf[buf_len++] = 0;
+ }
+ if (go7007_usb_vendor_request(go, 0x24, 0, 0,
+ buf, buf_len, 0) < 0)
+ goto i2c_done;
+ if (msgs[i].flags & I2C_M_RD) {
+ memset(buf, 0, msgs[i].len + 1);
+ if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
+ msgs[i].len + 1, 1) < 0)
+ goto i2c_done;
+ memcpy(msgs[i].buf, buf + 1, msgs[i].len);
+ }
+ }
+ ret = num;
+
+i2c_done:
+ mutex_unlock(&usb->i2c_lock);
+ return ret;
+}
+
+static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
+{
+ /* No errors are reported by the hardware, so we don't bother
+ * supporting quick writes to avoid confusing probing */
+ return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
+}
+
+static struct i2c_algorithm go7007_usb_algo = {
+ .master_xfer = go7007_usb_i2c_master_xfer,
+ .functionality = go7007_usb_functionality,
+};
+
+static struct i2c_adapter go7007_usb_adap_templ = {
+ .owner = THIS_MODULE,
+ .name = "WIS GO7007SB EZ-USB",
+ .algo = &go7007_usb_algo,
+};
+
+/********************* USB add/remove functions *********************/
+
+static int go7007_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct go7007 *go;
+ struct go7007_usb *usb;
+ const struct go7007_usb_board *board;
+ struct usb_device *usbdev = interface_to_usbdev(intf);
+ unsigned num_i2c_devs;
+ char *name;
+ int video_pipe, i, v_urb_len;
+
+ pr_debug("probing new GO7007 USB board\n");
+
+ switch (id->driver_info) {
+ case GO7007_BOARDID_MATRIX_II:
+ name = "WIS Matrix II or compatible";
+ board = &board_matrix_ii;
+ break;
+ case GO7007_BOARDID_MATRIX_RELOAD:
+ name = "WIS Matrix Reloaded or compatible";
+ board = &board_matrix_reload;
+ break;
+ case GO7007_BOARDID_MATRIX_REV:
+ name = "WIS Matrix Revolution or compatible";
+ board = &board_matrix_revolution;
+ break;
+ case GO7007_BOARDID_STAR_TREK:
+ name = "WIS Star Trek or compatible";
+ board = &board_star_trek;
+ break;
+ case GO7007_BOARDID_XMEN:
+ name = "WIS XMen or compatible";
+ board = &board_xmen;
+ break;
+ case GO7007_BOARDID_XMEN_II:
+ name = "WIS XMen II or compatible";
+ board = &board_xmen;
+ break;
+ case GO7007_BOARDID_XMEN_III:
+ name = "WIS XMen III or compatible";
+ board = &board_xmen;
+ break;
+ case GO7007_BOARDID_PX_M402U:
+ name = "Plextor PX-M402U";
+ board = &board_matrix_ii;
+ break;
+ case GO7007_BOARDID_PX_TV402U:
+ name = "Plextor PX-TV402U (unknown tuner)";
+ board = &board_px_tv402u;
+ break;
+ case GO7007_BOARDID_LIFEVIEW_LR192:
+ dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
+ return -ENODEV;
+ name = "Lifeview TV Walker Ultra";
+ board = &board_lifeview_lr192;
+ break;
+ case GO7007_BOARDID_SENSORAY_2250:
+ dev_info(&intf->dev, "Sensoray 2250 found\n");
+ name = "Sensoray 2250/2251";
+ board = &board_sensoray_2250;
+ break;
+ case GO7007_BOARDID_ADS_USBAV_709:
+ name = "ADS Tech DVD Xpress DX2";
+ board = &board_ads_usbav_709;
+ break;
+ default:
+ dev_err(&intf->dev, "unknown board ID %d!\n",
+ (unsigned int)id->driver_info);
+ return -ENODEV;
+ }
+
+ go = go7007_alloc(&board->main_info, &intf->dev);
+ if (go == NULL)
+ return -ENOMEM;
+
+ usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
+ if (usb == NULL) {
+ kfree(go);
+ return -ENOMEM;
+ }
+
+ usb->board = board;
+ usb->usbdev = usbdev;
+ usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
+ go->board_id = id->driver_info;
+ strncpy(go->name, name, sizeof(go->name));
+ if (board->flags & GO7007_USB_EZUSB)
+ go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
+ else
+ go->hpi_ops = &go7007_usb_onboard_hpi_ops;
+ go->hpi_context = usb;
+
+ /* Allocate the URB and buffer for receiving incoming interrupts */
+ usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (usb->intr_urb == NULL)
+ goto allocfail;
+ usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
+ if (usb->intr_urb->transfer_buffer == NULL)
+ goto allocfail;
+
+ if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
+ usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
+ usb_rcvbulkpipe(usb->usbdev, 4),
+ usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+ go7007_usb_readinterrupt_complete, go);
+ else
+ usb_fill_int_urb(usb->intr_urb, usb->usbdev,
+ usb_rcvintpipe(usb->usbdev, 4),
+ usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+ go7007_usb_readinterrupt_complete, go, 8);
+ usb_set_intfdata(intf, &go->v4l2_dev);
+
+ /* Boot the GO7007 */
+ if (go7007_boot_encoder(go, go->board_info->flags &
+ GO7007_BOARD_USE_ONBOARD_I2C) < 0)
+ goto allocfail;
+
+ /* Register the EZ-USB I2C adapter, if we're using it */
+ if (board->flags & GO7007_USB_EZUSB_I2C) {
+ memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
+ sizeof(go7007_usb_adap_templ));
+ mutex_init(&usb->i2c_lock);
+ go->i2c_adapter.dev.parent = go->dev;
+ i2c_set_adapdata(&go->i2c_adapter, go);
+ if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+ dev_err(go->dev, "error: i2c_add_adapter failed\n");
+ goto allocfail;
+ }
+ go->i2c_adapter_online = 1;
+ }
+
+ /* Pelco and Adlink reused the XMen and XMen-III vendor and product
+ * IDs for their own incompatible designs. We can detect XMen boards
+ * by probing the sensor, but there is no way to probe the sensors on
+ * the Pelco and Adlink designs so we default to the Adlink. If it
+ * is actually a Pelco, the user must set the assume_endura module
+ * parameter. */
+ if ((go->board_id == GO7007_BOARDID_XMEN ||
+ go->board_id == GO7007_BOARDID_XMEN_III) &&
+ go->i2c_adapter_online) {
+ union i2c_smbus_data data;
+
+ /* Check to see if register 0x0A is 0x76 */
+ i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
+ I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
+ if (data.byte != 0x76) {
+ if (assume_endura) {
+ go->board_id = GO7007_BOARDID_ENDURA;
+ usb->board = board = &board_endura;
+ go->board_info = &board->main_info;
+ strncpy(go->name, "Pelco Endura",
+ sizeof(go->name));
+ } else {
+ u16 channel;
+
+ /* read channel number from GPIO[1:0] */
+ go7007_read_addr(go, 0x3c81, &channel);
+ channel &= 0x3;
+ go->board_id = GO7007_BOARDID_ADLINK_MPG24;
+ usb->board = board = &board_adlink_mpg24;
+ go->board_info = &board->main_info;
+ go->channel_number = channel;
+ snprintf(go->name, sizeof(go->name),
+ "Adlink PCI-MPG24, channel #%d",
+ channel);
+ }
+ go7007_update_board(go);
+ }
+ }
+
+ num_i2c_devs = go->board_info->num_i2c_devs;
+
+ /* Probe the tuner model on the TV402U */
+ if (go->board_id == GO7007_BOARDID_PX_TV402U) {
+ /* Board strapping indicates tuner model */
+ if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
+ 1) < 0) {
+ dev_err(go->dev, "GPIO read failed!\n");
+ goto allocfail;
+ }
+ switch (go->usb_buf[0] >> 6) {
+ case 1:
+ go->tuner_type = TUNER_SONY_BTF_PG472Z;
+ go->std = V4L2_STD_PAL;
+ strncpy(go->name, "Plextor PX-TV402U-EU",
+ sizeof(go->name));
+ break;
+ case 2:
+ go->tuner_type = TUNER_SONY_BTF_PK467Z;
+ go->std = V4L2_STD_NTSC_M_JP;
+ num_i2c_devs -= 2;
+ strncpy(go->name, "Plextor PX-TV402U-JP",
+ sizeof(go->name));
+ break;
+ case 3:
+ go->tuner_type = TUNER_SONY_BTF_PB463Z;
+ num_i2c_devs -= 2;
+ strncpy(go->name, "Plextor PX-TV402U-NA",
+ sizeof(go->name));
+ break;
+ default:
+ pr_debug("unable to detect tuner type!\n");
+ break;
+ }
+ /* Configure tuner mode selection inputs connected
+ * to the EZ-USB GPIO output pins */
+ if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
+ NULL, 0, 0) < 0) {
+ dev_err(go->dev, "GPIO write failed!\n");
+ goto allocfail;
+ }
+ }
+
+ /* Print a nasty message if the user attempts to use a USB2.0 device in
+ * a USB1.1 port. There will be silent corruption of the stream. */
+ if ((board->flags & GO7007_USB_EZUSB) &&
+ usbdev->speed != USB_SPEED_HIGH)
+ 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");
+
+ /* Allocate the URBs and buffers for receiving the video stream */
+ if (board->flags & GO7007_USB_EZUSB) {
+ v_urb_len = 1024;
+ video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
+ } else {
+ v_urb_len = 512;
+ video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
+ }
+ for (i = 0; i < 8; ++i) {
+ usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+ if (usb->video_urbs[i] == NULL)
+ goto allocfail;
+ usb->video_urbs[i]->transfer_buffer =
+ kmalloc(v_urb_len, GFP_KERNEL);
+ if (usb->video_urbs[i]->transfer_buffer == NULL)
+ goto allocfail;
+ usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
+ usb->video_urbs[i]->transfer_buffer, v_urb_len,
+ go7007_usb_read_video_pipe_complete, go);
+ }
+
+ /* Allocate the URBs and buffers for receiving the audio stream */
+ if ((board->flags & GO7007_USB_EZUSB) &&
+ (board->flags & GO7007_BOARD_HAS_AUDIO)) {
+ for (i = 0; i < 8; ++i) {
+ usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+ if (usb->audio_urbs[i] == NULL)
+ goto allocfail;
+ usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
+ GFP_KERNEL);
+ if (usb->audio_urbs[i]->transfer_buffer == NULL)
+ goto allocfail;
+ usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
+ usb_rcvbulkpipe(usb->usbdev, 8),
+ usb->audio_urbs[i]->transfer_buffer, 4096,
+ go7007_usb_read_audio_pipe_complete, go);
+ }
+ }
+
+ /* Do any final GO7007 initialization, then register the
+ * V4L2 and ALSA interfaces */
+ if (go7007_register_encoder(go, num_i2c_devs) < 0)
+ goto allocfail;
+
+ go->status = STATUS_ONLINE;
+ return 0;
+
+allocfail:
+ go7007_usb_release(go);
+ kfree(go);
+ return -ENOMEM;
+}
+
+static void go7007_usb_disconnect(struct usb_interface *intf)
+{
+ struct go7007 *go = to_go7007(usb_get_intfdata(intf));
+
+ mutex_lock(&go->queue_lock);
+ mutex_lock(&go->serialize_lock);
+
+ if (go->audio_enabled)
+ go7007_snd_remove(go);
+
+ go->status = STATUS_SHUTDOWN;
+ v4l2_device_disconnect(&go->v4l2_dev);
+ video_unregister_device(&go->vdev);
+ mutex_unlock(&go->serialize_lock);
+ mutex_unlock(&go->queue_lock);
+
+ v4l2_device_put(&go->v4l2_dev);
+}
+
+static struct usb_driver go7007_usb_driver = {
+ .name = "go7007",
+ .probe = go7007_usb_probe,
+ .disconnect = go7007_usb_disconnect,
+ .id_table = go7007_usb_id_table,
+};
+
+module_usb_driver(go7007_usb_driver);
+MODULE_LICENSE("GPL v2");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.