forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
628 lines
16 KiB
628 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III |
|
* flexcop-usb.c - covers the USB part |
|
* see flexcop.c for copyright information |
|
*/ |
|
#define FC_LOG_PREFIX "flexcop_usb" |
|
#include "flexcop-usb.h" |
|
#include "flexcop-common.h" |
|
|
|
/* Version information */ |
|
#define DRIVER_VERSION "0.1" |
|
#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver" |
|
#define DRIVER_AUTHOR "Patrick Boettcher <[email protected]>" |
|
|
|
/* debug */ |
|
#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG |
|
#define dprintk(level,args...) \ |
|
do { if ((debug & level)) printk(args); } while (0) |
|
|
|
#define debug_dump(b, l, method) do {\ |
|
int i; \ |
|
for (i = 0; i < l; i++) \ |
|
method("%02x ", b[i]); \ |
|
method("\n"); \ |
|
} while (0) |
|
|
|
#define DEBSTATUS "" |
|
#else |
|
#define dprintk(level, args...) |
|
#define debug_dump(b, l, method) |
|
#define DEBSTATUS " (debugging is not enabled)" |
|
#endif |
|
|
|
static int debug; |
|
module_param(debug, int, 0644); |
|
MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); |
|
#undef DEBSTATUS |
|
|
|
#define deb_info(args...) dprintk(0x01, args) |
|
#define deb_ts(args...) dprintk(0x02, args) |
|
#define deb_ctrl(args...) dprintk(0x04, args) |
|
#define deb_i2c(args...) dprintk(0x08, args) |
|
#define deb_v8(args...) dprintk(0x10, args) |
|
|
|
/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits |
|
* in the IBI address, to make the V8 code simpler. |
|
* PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (the six bits used) |
|
* in general: 0000 0HHH 000L LL00 |
|
* IBI ADDRESS FORMAT: RHHH BLLL |
|
* |
|
* where R is the read(1)/write(0) bit, B is the busy bit |
|
* and HHH and LLL are the two sets of three bits from the PCI address. |
|
*/ |
|
#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) \ |
|
(((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) |
|
#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) \ |
|
(((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) |
|
|
|
/* |
|
* DKT 020228 |
|
* - forget about this VENDOR_BUFFER_SIZE, read and write register |
|
* deal with DWORD or 4 bytes, that should be should from now on |
|
* - from now on, we don't support anything older than firm 1.00 |
|
* I eliminated the write register as a 2 trip of writing hi word and lo word |
|
* and force this to write only 4 bytes at a time. |
|
* NOTE: this should work with all the firmware from 1.00 and newer |
|
*/ |
|
static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read) |
|
{ |
|
struct flexcop_usb *fc_usb = fc->bus_specific; |
|
u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; |
|
u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; |
|
u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | |
|
(read ? 0x80 : 0); |
|
int ret; |
|
|
|
mutex_lock(&fc_usb->data_mutex); |
|
if (!read) |
|
memcpy(fc_usb->data, val, sizeof(*val)); |
|
|
|
ret = usb_control_msg(fc_usb->udev, |
|
read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, |
|
request, |
|
request_type, /* 0xc0 read or 0x40 write */ |
|
wAddress, |
|
0, |
|
fc_usb->data, |
|
sizeof(u32), |
|
B2C2_WAIT_FOR_OPERATION_RDW * HZ); |
|
|
|
if (ret != sizeof(u32)) { |
|
err("error while %s dword from %d (%d).", read ? "reading" : |
|
"writing", wAddress, wRegOffsPCI); |
|
if (ret >= 0) |
|
ret = -EIO; |
|
} |
|
|
|
if (read && ret >= 0) |
|
memcpy(val, fc_usb->data, sizeof(*val)); |
|
mutex_unlock(&fc_usb->data_mutex); |
|
|
|
return ret; |
|
} |
|
/* |
|
* DKT 010817 - add support for V8 memory read/write and flash update |
|
*/ |
|
static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, |
|
flexcop_usb_request_t req, u8 page, u16 wAddress, |
|
u8 *pbBuffer, u32 buflen) |
|
{ |
|
u8 request_type = USB_TYPE_VENDOR; |
|
u16 wIndex; |
|
int nWaitTime, pipe, ret; |
|
wIndex = page << 8; |
|
|
|
if (buflen > sizeof(fc_usb->data)) { |
|
err("Buffer size bigger than max URB control message\n"); |
|
return -EIO; |
|
} |
|
|
|
switch (req) { |
|
case B2C2_USB_READ_V8_MEM: |
|
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; |
|
request_type |= USB_DIR_IN; |
|
pipe = B2C2_USB_CTRL_PIPE_IN; |
|
break; |
|
case B2C2_USB_WRITE_V8_MEM: |
|
wIndex |= pbBuffer[0]; |
|
request_type |= USB_DIR_OUT; |
|
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; |
|
pipe = B2C2_USB_CTRL_PIPE_OUT; |
|
break; |
|
case B2C2_USB_FLASH_BLOCK: |
|
request_type |= USB_DIR_OUT; |
|
nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; |
|
pipe = B2C2_USB_CTRL_PIPE_OUT; |
|
break; |
|
default: |
|
deb_info("unsupported request for v8_mem_req %x.\n", req); |
|
return -EINVAL; |
|
} |
|
deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req, |
|
wAddress, wIndex, buflen); |
|
|
|
mutex_lock(&fc_usb->data_mutex); |
|
|
|
if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) |
|
memcpy(fc_usb->data, pbBuffer, buflen); |
|
|
|
ret = usb_control_msg(fc_usb->udev, pipe, |
|
req, |
|
request_type, |
|
wAddress, |
|
wIndex, |
|
fc_usb->data, |
|
buflen, |
|
nWaitTime * HZ); |
|
if (ret != buflen) |
|
ret = -EIO; |
|
|
|
if (ret >= 0) { |
|
ret = 0; |
|
if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) |
|
memcpy(pbBuffer, fc_usb->data, buflen); |
|
} |
|
|
|
mutex_unlock(&fc_usb->data_mutex); |
|
|
|
debug_dump(pbBuffer, ret, deb_v8); |
|
return ret; |
|
} |
|
|
|
#define bytes_left_to_read_on_page(paddr,buflen) \ |
|
((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ |
|
? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) |
|
|
|
static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb, |
|
flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start, |
|
u32 addr, int extended, u8 *buf, u32 len) |
|
{ |
|
int i,ret = 0; |
|
u16 wMax; |
|
u32 pagechunk = 0; |
|
|
|
switch(req) { |
|
case B2C2_USB_READ_V8_MEM: |
|
wMax = USB_MEM_READ_MAX; |
|
break; |
|
case B2C2_USB_WRITE_V8_MEM: |
|
wMax = USB_MEM_WRITE_MAX; |
|
break; |
|
case B2C2_USB_FLASH_BLOCK: |
|
wMax = USB_FLASH_MAX; |
|
break; |
|
default: |
|
return -EINVAL; |
|
break; |
|
} |
|
for (i = 0; i < len;) { |
|
pagechunk = |
|
wMax < bytes_left_to_read_on_page(addr, len) ? |
|
wMax : |
|
bytes_left_to_read_on_page(addr, len); |
|
deb_info("%x\n", |
|
(addr & V8_MEMORY_PAGE_MASK) | |
|
(V8_MEMORY_EXTENDED*extended)); |
|
|
|
ret = flexcop_usb_v8_memory_req(fc_usb, req, |
|
page_start + (addr / V8_MEMORY_PAGE_SIZE), |
|
(addr & V8_MEMORY_PAGE_MASK) | |
|
(V8_MEMORY_EXTENDED*extended), |
|
&buf[i], pagechunk); |
|
|
|
if (ret < 0) |
|
return ret; |
|
addr += pagechunk; |
|
len -= pagechunk; |
|
} |
|
return 0; |
|
} |
|
|
|
static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) |
|
{ |
|
return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, |
|
V8_MEMORY_PAGE_FLASH, 0x1f010, 1, |
|
fc->dvb_adapter.proposed_mac, 6); |
|
} |
|
|
|
/* usb i2c stuff */ |
|
static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, |
|
flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, |
|
u8 chipaddr, u8 addr, u8 *buf, u8 buflen) |
|
{ |
|
struct flexcop_usb *fc_usb = i2c->fc->bus_specific; |
|
u16 wValue, wIndex; |
|
int nWaitTime, pipe, ret; |
|
u8 request_type = USB_TYPE_VENDOR; |
|
|
|
if (buflen > sizeof(fc_usb->data)) { |
|
err("Buffer size bigger than max URB control message\n"); |
|
return -EIO; |
|
} |
|
|
|
switch (func) { |
|
case USB_FUNC_I2C_WRITE: |
|
case USB_FUNC_I2C_MULTIWRITE: |
|
case USB_FUNC_I2C_REPEATWRITE: |
|
/* DKT 020208 - add this to support special case of DiSEqC */ |
|
case USB_FUNC_I2C_CHECKWRITE: |
|
pipe = B2C2_USB_CTRL_PIPE_OUT; |
|
nWaitTime = 2; |
|
request_type |= USB_DIR_OUT; |
|
break; |
|
case USB_FUNC_I2C_READ: |
|
case USB_FUNC_I2C_REPEATREAD: |
|
pipe = B2C2_USB_CTRL_PIPE_IN; |
|
nWaitTime = 2; |
|
request_type |= USB_DIR_IN; |
|
break; |
|
default: |
|
deb_info("unsupported function for i2c_req %x\n", func); |
|
return -EINVAL; |
|
} |
|
wValue = (func << 8) | (i2c->port << 4); |
|
wIndex = (chipaddr << 8 ) | addr; |
|
|
|
deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n", |
|
func, request_type, req, |
|
wValue & 0xff, wValue >> 8, |
|
wIndex & 0xff, wIndex >> 8); |
|
|
|
mutex_lock(&fc_usb->data_mutex); |
|
|
|
if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) |
|
memcpy(fc_usb->data, buf, buflen); |
|
|
|
ret = usb_control_msg(fc_usb->udev, pipe, |
|
req, |
|
request_type, |
|
wValue, |
|
wIndex, |
|
fc_usb->data, |
|
buflen, |
|
nWaitTime * HZ); |
|
|
|
if (ret != buflen) |
|
ret = -EIO; |
|
|
|
if (ret >= 0) { |
|
ret = 0; |
|
if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) |
|
memcpy(buf, fc_usb->data, buflen); |
|
} |
|
|
|
mutex_unlock(&fc_usb->data_mutex); |
|
|
|
return ret; |
|
} |
|
|
|
/* actual bus specific access functions, |
|
make sure prototype are/will be equal to pci */ |
|
static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, |
|
flexcop_ibi_register reg) |
|
{ |
|
flexcop_ibi_value val; |
|
val.raw = 0; |
|
flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1); |
|
return val; |
|
} |
|
|
|
static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, |
|
flexcop_ibi_register reg, flexcop_ibi_value val) |
|
{ |
|
return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0); |
|
} |
|
|
|
static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, |
|
flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) |
|
{ |
|
if (op == FC_READ) |
|
return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, |
|
USB_FUNC_I2C_READ, chipaddr, addr, buf, len); |
|
else |
|
return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, |
|
USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); |
|
} |
|
|
|
static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, |
|
u8 *buffer, int buffer_length) |
|
{ |
|
u8 *b; |
|
int l; |
|
|
|
deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", |
|
fc_usb->tmp_buffer_length, buffer_length); |
|
|
|
if (fc_usb->tmp_buffer_length > 0) { |
|
memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, |
|
buffer_length); |
|
fc_usb->tmp_buffer_length += buffer_length; |
|
b = fc_usb->tmp_buffer; |
|
l = fc_usb->tmp_buffer_length; |
|
} else { |
|
b=buffer; |
|
l=buffer_length; |
|
} |
|
|
|
while (l >= 190) { |
|
if (*b == 0xff) { |
|
switch (*(b+1) & 0x03) { |
|
case 0x01: /* media packet */ |
|
if (*(b+2) == 0x47) |
|
flexcop_pass_dmx_packets( |
|
fc_usb->fc_dev, b+2, 1); |
|
else |
|
deb_ts("not ts packet %*ph\n", 4, b+2); |
|
b += 190; |
|
l -= 190; |
|
break; |
|
default: |
|
deb_ts("wrong packet type\n"); |
|
l = 0; |
|
break; |
|
} |
|
} else { |
|
deb_ts("wrong header\n"); |
|
l = 0; |
|
} |
|
} |
|
|
|
if (l>0) |
|
memcpy(fc_usb->tmp_buffer, b, l); |
|
fc_usb->tmp_buffer_length = l; |
|
} |
|
|
|
static void flexcop_usb_urb_complete(struct urb *urb) |
|
{ |
|
struct flexcop_usb *fc_usb = urb->context; |
|
int i; |
|
|
|
if (urb->actual_length > 0) |
|
deb_ts("urb completed, bufsize: %d actlen; %d\n", |
|
urb->transfer_buffer_length, urb->actual_length); |
|
|
|
for (i = 0; i < urb->number_of_packets; i++) { |
|
if (urb->iso_frame_desc[i].status < 0) { |
|
err("iso frame descriptor %d has an error: %d\n", i, |
|
urb->iso_frame_desc[i].status); |
|
} else |
|
if (urb->iso_frame_desc[i].actual_length > 0) { |
|
deb_ts("passed %d bytes to the demux\n", |
|
urb->iso_frame_desc[i].actual_length); |
|
|
|
flexcop_usb_process_frame(fc_usb, |
|
urb->transfer_buffer + |
|
urb->iso_frame_desc[i].offset, |
|
urb->iso_frame_desc[i].actual_length); |
|
} |
|
urb->iso_frame_desc[i].status = 0; |
|
urb->iso_frame_desc[i].actual_length = 0; |
|
} |
|
usb_submit_urb(urb,GFP_ATOMIC); |
|
} |
|
|
|
static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) |
|
{ |
|
/* submit/kill iso packets */ |
|
return 0; |
|
} |
|
|
|
static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) |
|
{ |
|
int i; |
|
for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) |
|
if (fc_usb->iso_urb[i] != NULL) { |
|
deb_ts("unlinking/killing urb no. %d\n",i); |
|
usb_kill_urb(fc_usb->iso_urb[i]); |
|
usb_free_urb(fc_usb->iso_urb[i]); |
|
} |
|
|
|
usb_free_coherent(fc_usb->udev, fc_usb->buffer_size, |
|
fc_usb->iso_buffer, fc_usb->dma_addr); |
|
|
|
} |
|
|
|
static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) |
|
{ |
|
u16 frame_size = le16_to_cpu( |
|
fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); |
|
int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * |
|
frame_size, i, j, ret; |
|
int buffer_offset = 0; |
|
|
|
deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", |
|
B2C2_USB_NUM_ISO_URB, |
|
B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize); |
|
|
|
fc_usb->iso_buffer = usb_alloc_coherent(fc_usb->udev, |
|
bufsize, GFP_KERNEL, &fc_usb->dma_addr); |
|
if (fc_usb->iso_buffer == NULL) |
|
return -ENOMEM; |
|
|
|
memset(fc_usb->iso_buffer, 0, bufsize); |
|
fc_usb->buffer_size = bufsize; |
|
|
|
/* creating iso urbs */ |
|
for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { |
|
fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO, |
|
GFP_ATOMIC); |
|
if (fc_usb->iso_urb[i] == NULL) { |
|
ret = -ENOMEM; |
|
goto urb_error; |
|
} |
|
} |
|
|
|
/* initialising and submitting iso urbs */ |
|
for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { |
|
int frame_offset = 0; |
|
struct urb *urb = fc_usb->iso_urb[i]; |
|
deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n", |
|
i, buffer_offset); |
|
|
|
urb->dev = fc_usb->udev; |
|
urb->context = fc_usb; |
|
urb->complete = flexcop_usb_urb_complete; |
|
urb->pipe = B2C2_USB_DATA_PIPE; |
|
urb->transfer_flags = URB_ISO_ASAP; |
|
urb->interval = 1; |
|
urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; |
|
urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; |
|
urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; |
|
|
|
buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; |
|
for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { |
|
deb_ts("urb no: %d, frame: %d, frame_offset: %d\n", |
|
i, j, frame_offset); |
|
urb->iso_frame_desc[j].offset = frame_offset; |
|
urb->iso_frame_desc[j].length = frame_size; |
|
frame_offset += frame_size; |
|
} |
|
|
|
if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { |
|
err("submitting urb %d failed with %d.", i, ret); |
|
goto urb_error; |
|
} |
|
deb_ts("submitted urb no. %d.\n",i); |
|
} |
|
|
|
/* SRAM */ |
|
flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA | |
|
FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, |
|
FC_SRAM_DEST_TARGET_WAN_USB); |
|
flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS); |
|
flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1); |
|
return 0; |
|
|
|
urb_error: |
|
flexcop_usb_transfer_exit(fc_usb); |
|
return ret; |
|
} |
|
|
|
static int flexcop_usb_init(struct flexcop_usb *fc_usb) |
|
{ |
|
/* use the alternate setting with the larges buffer */ |
|
int ret = usb_set_interface(fc_usb->udev, 0, 1); |
|
|
|
if (ret) { |
|
err("set interface failed."); |
|
return ret; |
|
} |
|
|
|
if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1) |
|
return -ENODEV; |
|
if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[1].desc)) |
|
return -ENODEV; |
|
|
|
switch (fc_usb->udev->speed) { |
|
case USB_SPEED_LOW: |
|
err("cannot handle USB speed because it is too slow."); |
|
return -ENODEV; |
|
break; |
|
case USB_SPEED_FULL: |
|
info("running at FULL speed."); |
|
break; |
|
case USB_SPEED_HIGH: |
|
info("running at HIGH speed."); |
|
break; |
|
case USB_SPEED_UNKNOWN: |
|
default: |
|
err("cannot handle USB speed because it is unknown."); |
|
return -ENODEV; |
|
} |
|
usb_set_intfdata(fc_usb->uintf, fc_usb); |
|
return 0; |
|
} |
|
|
|
static void flexcop_usb_exit(struct flexcop_usb *fc_usb) |
|
{ |
|
usb_set_intfdata(fc_usb->uintf, NULL); |
|
} |
|
|
|
static int flexcop_usb_probe(struct usb_interface *intf, |
|
const struct usb_device_id *id) |
|
{ |
|
struct usb_device *udev = interface_to_usbdev(intf); |
|
struct flexcop_usb *fc_usb = NULL; |
|
struct flexcop_device *fc = NULL; |
|
int ret; |
|
|
|
if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { |
|
err("out of memory\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
/* general flexcop init */ |
|
fc_usb = fc->bus_specific; |
|
fc_usb->fc_dev = fc; |
|
mutex_init(&fc_usb->data_mutex); |
|
|
|
fc->read_ibi_reg = flexcop_usb_read_ibi_reg; |
|
fc->write_ibi_reg = flexcop_usb_write_ibi_reg; |
|
fc->i2c_request = flexcop_usb_i2c_request; |
|
fc->get_mac_addr = flexcop_usb_get_mac_addr; |
|
|
|
fc->stream_control = flexcop_usb_stream_control; |
|
|
|
fc->pid_filtering = 1; |
|
fc->bus_type = FC_USB; |
|
|
|
fc->dev = &udev->dev; |
|
fc->owner = THIS_MODULE; |
|
|
|
/* bus specific part */ |
|
fc_usb->udev = udev; |
|
fc_usb->uintf = intf; |
|
if ((ret = flexcop_usb_init(fc_usb)) != 0) |
|
goto err_kfree; |
|
|
|
/* init flexcop */ |
|
if ((ret = flexcop_device_initialize(fc)) != 0) |
|
goto err_usb_exit; |
|
|
|
/* xfer init */ |
|
if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) |
|
goto err_fc_exit; |
|
|
|
info("%s successfully initialized and connected.", DRIVER_NAME); |
|
return 0; |
|
|
|
err_fc_exit: |
|
flexcop_device_exit(fc); |
|
err_usb_exit: |
|
flexcop_usb_exit(fc_usb); |
|
err_kfree: |
|
flexcop_device_kfree(fc); |
|
return ret; |
|
} |
|
|
|
static void flexcop_usb_disconnect(struct usb_interface *intf) |
|
{ |
|
struct flexcop_usb *fc_usb = usb_get_intfdata(intf); |
|
flexcop_usb_transfer_exit(fc_usb); |
|
flexcop_device_exit(fc_usb->fc_dev); |
|
flexcop_usb_exit(fc_usb); |
|
flexcop_device_kfree(fc_usb->fc_dev); |
|
info("%s successfully deinitialized and disconnected.", DRIVER_NAME); |
|
} |
|
|
|
static const struct usb_device_id flexcop_usb_table[] = { |
|
{ USB_DEVICE(0x0af7, 0x0101) }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE (usb, flexcop_usb_table); |
|
|
|
/* usb specific object needed to register this driver with the usb subsystem */ |
|
static struct usb_driver flexcop_usb_driver = { |
|
.name = "b2c2_flexcop_usb", |
|
.probe = flexcop_usb_probe, |
|
.disconnect = flexcop_usb_disconnect, |
|
.id_table = flexcop_usb_table, |
|
}; |
|
|
|
module_usb_driver(flexcop_usb_driver); |
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR); |
|
MODULE_DESCRIPTION(DRIVER_NAME); |
|
MODULE_LICENSE("GPL");
|
|
|