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Commit | Line | Data |
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2add87a9 JS |
1 | /* |
2 | * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III | |
3 | * | |
4 | * flexcop-usb.c - covers the USB part. | |
5 | * | |
6 | * see flexcop.c for copyright information. | |
7 | */ | |
8 | ||
9 | #define FC_LOG_PREFIX "flexcop_usb" | |
10 | #include "flexcop-usb.h" | |
11 | #include "flexcop-common.h" | |
12 | ||
13 | /* Version information */ | |
14 | #define DRIVER_VERSION "0.1" | |
15 | #define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver" | |
16 | #define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>" | |
17 | ||
18 | /* debug */ | |
19 | #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG | |
20 | #define dprintk(level,args...) \ | |
21 | do { if ((debug & level)) { printk(args); } } while (0) | |
22 | #define debug_dump(b,l,method) {\ | |
23 | int i; \ | |
24 | for (i = 0; i < l; i++) method("%02x ", b[i]); \ | |
25 | method("\n");\ | |
26 | } | |
27 | ||
28 | #define DEBSTATUS "" | |
29 | #else | |
30 | #define dprintk(level,args...) | |
31 | #define debug_dump(b,l,method) | |
32 | #define DEBSTATUS " (debugging is not enabled)" | |
33 | #endif | |
34 | ||
35 | static int debug; | |
36 | module_param(debug, int, 0644); | |
37 | MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); | |
38 | #undef DEBSTATUS | |
39 | ||
40 | #define deb_info(args...) dprintk(0x01,args) | |
41 | #define deb_ts(args...) dprintk(0x02,args) | |
42 | #define deb_ctrl(args...) dprintk(0x04,args) | |
43 | #define deb_i2c(args...) dprintk(0x08,args) | |
44 | #define deb_v8(args...) dprintk(0x10,args) | |
45 | ||
46 | /* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits | |
47 | * in the IBI address, to make the V8 code simpler. | |
48 | * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used) | |
49 | * in general: 0000 0HHH 000L LL00 | |
50 | * IBI ADDRESS FORMAT: RHHH BLLL | |
51 | * | |
52 | * where R is the read(1)/write(0) bit, B is the busy bit | |
53 | * and HHH and LLL are the two sets of three bits from the PCI address. | |
54 | */ | |
55 | #define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) | |
56 | #define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) | |
57 | ||
58 | /* | |
59 | * DKT 020228 | |
60 | * - forget about this VENDOR_BUFFER_SIZE, read and write register | |
61 | * deal with DWORD or 4 bytes, that should be should from now on | |
62 | * - from now on, we don't support anything older than firm 1.00 | |
63 | * I eliminated the write register as a 2 trip of writing hi word and lo word | |
64 | * and force this to write only 4 bytes at a time. | |
65 | * NOTE: this should work with all the firmware from 1.00 and newer | |
66 | */ | |
67 | static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read) | |
68 | { | |
69 | struct flexcop_usb *fc_usb = fc->bus_specific; | |
70 | u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; | |
71 | u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; | |
72 | u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0); | |
73 | ||
74 | int len = usb_control_msg(fc_usb->udev, | |
75 | read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, | |
76 | request, | |
77 | request_type, /* 0xc0 read or 0x40 write*/ | |
78 | wAddress, | |
79 | 0, | |
80 | val, | |
81 | sizeof(u32), | |
82 | B2C2_WAIT_FOR_OPERATION_RDW * HZ); | |
83 | ||
84 | if (len != sizeof(u32)) { | |
85 | err("error while %s dword from %d (%d).",read ? "reading" : "writing", | |
86 | wAddress,wRegOffsPCI); | |
87 | return -EIO; | |
88 | } | |
89 | return 0; | |
90 | } | |
91 | ||
92 | /* | |
93 | * DKT 010817 - add support for V8 memory read/write and flash update | |
94 | */ | |
95 | static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, | |
96 | flexcop_usb_request_t req, u8 page, u16 wAddress, | |
97 | u8 *pbBuffer,u32 buflen) | |
98 | { | |
99 | // u8 dwRequestType; | |
100 | u8 request_type = USB_TYPE_VENDOR; | |
101 | u16 wIndex; | |
102 | int nWaitTime,pipe,len; | |
103 | ||
104 | wIndex = page << 8; | |
105 | ||
106 | switch (req) { | |
107 | case B2C2_USB_READ_V8_MEM: | |
108 | nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; | |
109 | request_type |= USB_DIR_IN; | |
110 | // dwRequestType = (u8) RTYPE_READ_V8_MEMORY; | |
111 | pipe = B2C2_USB_CTRL_PIPE_IN; | |
112 | break; | |
113 | case B2C2_USB_WRITE_V8_MEM: | |
114 | wIndex |= pbBuffer[0]; | |
115 | request_type |= USB_DIR_OUT; | |
116 | nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; | |
117 | // dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY; | |
118 | pipe = B2C2_USB_CTRL_PIPE_OUT; | |
119 | break; | |
120 | case B2C2_USB_FLASH_BLOCK: | |
121 | request_type |= USB_DIR_OUT; | |
122 | nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; | |
123 | // dwRequestType = (u8) RTYPE_WRITE_V8_FLASH; | |
124 | pipe = B2C2_USB_CTRL_PIPE_OUT; | |
125 | break; | |
126 | default: | |
127 | deb_info("unsupported request for v8_mem_req %x.\n",req); | |
128 | return -EINVAL; | |
129 | } | |
130 | deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req, | |
131 | wAddress,wIndex,buflen); | |
132 | ||
133 | len = usb_control_msg(fc_usb->udev,pipe, | |
134 | req, | |
135 | request_type, | |
136 | wAddress, | |
137 | wIndex, | |
138 | pbBuffer, | |
139 | buflen, | |
140 | nWaitTime * HZ); | |
141 | ||
142 | debug_dump(pbBuffer,len,deb_v8); | |
143 | ||
144 | return len == buflen ? 0 : -EIO; | |
145 | } | |
146 | ||
147 | #define bytes_left_to_read_on_page(paddr,buflen) \ | |
148 | ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ | |
149 | ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) | |
150 | ||
151 | static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req, | |
152 | flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len) | |
153 | { | |
154 | int i,ret = 0; | |
155 | u16 wMax; | |
156 | u32 pagechunk = 0; | |
157 | ||
158 | switch(req) { | |
159 | case B2C2_USB_READ_V8_MEM: wMax = USB_MEM_READ_MAX; break; | |
160 | case B2C2_USB_WRITE_V8_MEM: wMax = USB_MEM_WRITE_MAX; break; | |
161 | case B2C2_USB_FLASH_BLOCK: wMax = USB_FLASH_MAX; break; | |
162 | default: | |
163 | return -EINVAL; | |
164 | break; | |
165 | } | |
166 | for (i = 0; i < len;) { | |
167 | pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len); | |
168 | deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended)); | |
169 | if ((ret = flexcop_usb_v8_memory_req(fc_usb,req, | |
170 | page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */ | |
171 | (addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended), | |
172 | &buf[i],pagechunk)) < 0) | |
173 | return ret; | |
174 | ||
175 | addr += pagechunk; | |
176 | len -= pagechunk; | |
177 | } | |
178 | return 0; | |
179 | } | |
180 | ||
181 | static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) | |
182 | { | |
77824131 JS |
183 | return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM, |
184 | V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6); | |
2add87a9 JS |
185 | } |
186 | ||
187 | #if 0 | |
188 | static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set, | |
189 | flexcop_usb_utility_function_t func, u8 extra, u16 wIndex, | |
190 | u16 buflen, u8 *pvBuffer) | |
191 | { | |
192 | u16 wValue; | |
193 | u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR; | |
194 | // u8 dwRequestType = (u8) RTYPE_GENERIC, | |
195 | int nWaitTime = 2, | |
196 | pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, | |
197 | len; | |
198 | ||
199 | wValue = (func << 8) | extra; | |
200 | ||
201 | len = usb_control_msg(fc_usb->udev,pipe, | |
202 | B2C2_USB_UTILITY, | |
203 | request_type, | |
204 | wValue, | |
205 | wIndex, | |
206 | pvBuffer, | |
207 | buflen, | |
208 | nWaitTime * HZ); | |
209 | return len == buflen ? 0 : -EIO; | |
210 | } | |
211 | #endif | |
212 | ||
213 | /* usb i2c stuff */ | |
214 | static int flexcop_usb_i2c_req(struct flexcop_usb *fc_usb, | |
215 | flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, | |
216 | flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u8 buflen) | |
217 | { | |
218 | u16 wValue, wIndex; | |
219 | int nWaitTime,pipe,len; | |
220 | // u8 dwRequestType; | |
221 | u8 request_type = USB_TYPE_VENDOR; | |
222 | ||
223 | switch (func) { | |
224 | case USB_FUNC_I2C_WRITE: | |
225 | case USB_FUNC_I2C_MULTIWRITE: | |
226 | case USB_FUNC_I2C_REPEATWRITE: | |
227 | /* DKT 020208 - add this to support special case of DiSEqC */ | |
228 | case USB_FUNC_I2C_CHECKWRITE: | |
229 | pipe = B2C2_USB_CTRL_PIPE_OUT; | |
230 | nWaitTime = 2; | |
231 | // dwRequestType = (u8) RTYPE_GENERIC; | |
232 | request_type |= USB_DIR_OUT; | |
233 | break; | |
234 | case USB_FUNC_I2C_READ: | |
235 | case USB_FUNC_I2C_REPEATREAD: | |
236 | pipe = B2C2_USB_CTRL_PIPE_IN; | |
237 | nWaitTime = 2; | |
238 | // dwRequestType = (u8) RTYPE_GENERIC; | |
239 | request_type |= USB_DIR_IN; | |
240 | break; | |
241 | default: | |
242 | deb_info("unsupported function for i2c_req %x\n",func); | |
243 | return -EINVAL; | |
244 | } | |
245 | wValue = (func << 8 ) | (port << 4); | |
246 | wIndex = (chipaddr << 8 ) | addr; | |
247 | ||
248 | deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req, | |
249 | ((wValue && 0xff) << 8),wValue >> 8,((wIndex && 0xff) << 8),wIndex >> 8); | |
250 | ||
251 | len = usb_control_msg(fc_usb->udev,pipe, | |
252 | req, | |
253 | request_type, | |
254 | wValue, | |
255 | wIndex, | |
256 | buf, | |
257 | buflen, | |
258 | nWaitTime * HZ); | |
259 | ||
260 | return len == buflen ? 0 : -EREMOTEIO; | |
261 | } | |
262 | ||
263 | /* actual bus specific access functions, make sure prototype are/will be equal to pci */ | |
264 | static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg) | |
265 | { | |
266 | flexcop_ibi_value val; | |
267 | val.raw = 0; | |
268 | flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1); | |
269 | return val; | |
270 | } | |
271 | ||
272 | static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val) | |
273 | { | |
274 | return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0); | |
275 | } | |
276 | ||
277 | static int flexcop_usb_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op, | |
278 | flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len) | |
279 | { | |
280 | if (op == FC_READ) | |
281 | return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_READ,port,chipaddr,addr,buf,len); | |
282 | else | |
283 | return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_WRITE,port,chipaddr,addr,buf,len); | |
284 | } | |
285 | ||
7635acd2 JS |
286 | static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length) |
287 | { | |
288 | u8 *b; | |
289 | int l; | |
290 | ||
291 | deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length); | |
292 | ||
293 | if (fc_usb->tmp_buffer_length > 0) { | |
294 | memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length); | |
295 | fc_usb->tmp_buffer_length += buffer_length; | |
296 | b = fc_usb->tmp_buffer; | |
297 | l = fc_usb->tmp_buffer_length; | |
298 | } else { | |
299 | b=buffer; | |
300 | l=buffer_length; | |
301 | } | |
302 | ||
303 | while (l >= 190) { | |
304 | if (*b == 0xff) | |
305 | switch (*(b+1) & 0x03) { | |
306 | case 0x01: /* media packet */ | |
307 | if ( *(b+2) == 0x47 ) | |
308 | flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1); | |
309 | else | |
310 | deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) ); | |
311 | ||
312 | b += 190; | |
313 | l -= 190; | |
314 | break; | |
315 | default: | |
316 | deb_ts("wrong packet type\n"); | |
317 | l = 0; | |
318 | break; | |
319 | } | |
320 | else { | |
321 | deb_ts("wrong header\n"); | |
322 | l = 0; | |
323 | } | |
324 | } | |
325 | ||
326 | if (l>0) | |
327 | memcpy(fc_usb->tmp_buffer, b, l); | |
328 | fc_usb->tmp_buffer_length = l; | |
329 | } | |
330 | ||
7d12e780 | 331 | static void flexcop_usb_urb_complete(struct urb *urb) |
2add87a9 JS |
332 | { |
333 | struct flexcop_usb *fc_usb = urb->context; | |
334 | int i; | |
335 | ||
336 | if (urb->actual_length > 0) | |
337 | deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length); | |
338 | ||
339 | for (i = 0; i < urb->number_of_packets; i++) { | |
340 | if (urb->iso_frame_desc[i].status < 0) { | |
341 | err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status); | |
342 | } else | |
343 | if (urb->iso_frame_desc[i].actual_length > 0) { | |
344 | deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length); | |
345 | ||
7635acd2 | 346 | flexcop_usb_process_frame(fc_usb, |
2add87a9 JS |
347 | urb->transfer_buffer + urb->iso_frame_desc[i].offset, |
348 | urb->iso_frame_desc[i].actual_length); | |
349 | } | |
350 | urb->iso_frame_desc[i].status = 0; | |
351 | urb->iso_frame_desc[i].actual_length = 0; | |
352 | } | |
353 | ||
354 | usb_submit_urb(urb,GFP_ATOMIC); | |
355 | } | |
356 | ||
357 | static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) | |
358 | { | |
359 | /* submit/kill iso packets */ | |
360 | return 0; | |
361 | } | |
362 | ||
363 | static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) | |
364 | { | |
365 | int i; | |
366 | for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) | |
367 | if (fc_usb->iso_urb[i] != NULL) { | |
368 | deb_ts("unlinking/killing urb no. %d\n",i); | |
369 | usb_kill_urb(fc_usb->iso_urb[i]); | |
370 | usb_free_urb(fc_usb->iso_urb[i]); | |
371 | } | |
372 | ||
373 | if (fc_usb->iso_buffer != NULL) | |
374 | pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr); | |
375 | } | |
376 | ||
377 | static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) | |
378 | { | |
379 | u16 frame_size = fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize; | |
380 | int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret; | |
381 | int buffer_offset = 0; | |
382 | ||
383 | deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", | |
384 | B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize); | |
385 | ||
386 | fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr); | |
387 | if (fc_usb->iso_buffer == NULL) | |
388 | return -ENOMEM; | |
389 | memset(fc_usb->iso_buffer, 0, bufsize); | |
390 | fc_usb->buffer_size = bufsize; | |
391 | ||
392 | /* creating iso urbs */ | |
393 | for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) | |
394 | if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) { | |
395 | ret = -ENOMEM; | |
396 | goto urb_error; | |
397 | } | |
398 | /* initialising and submitting iso urbs */ | |
399 | for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { | |
400 | int frame_offset = 0; | |
401 | struct urb *urb = fc_usb->iso_urb[i]; | |
402 | deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset); | |
403 | ||
404 | urb->dev = fc_usb->udev; | |
405 | urb->context = fc_usb; | |
406 | urb->complete = flexcop_usb_urb_complete; | |
407 | urb->pipe = B2C2_USB_DATA_PIPE; | |
408 | urb->transfer_flags = URB_ISO_ASAP; | |
409 | urb->interval = 1; | |
410 | urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; | |
411 | urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; | |
412 | urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; | |
413 | ||
414 | buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; | |
415 | for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { | |
416 | deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset); | |
417 | urb->iso_frame_desc[j].offset = frame_offset; | |
418 | urb->iso_frame_desc[j].length = frame_size; | |
419 | frame_offset += frame_size; | |
420 | } | |
421 | ||
422 | if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { | |
423 | err("submitting urb %d failed with %d.",i,ret); | |
424 | goto urb_error; | |
425 | } | |
426 | deb_ts("submitted urb no. %d.\n",i); | |
427 | } | |
428 | ||
429 | /* SRAM */ | |
430 | ||
431 | flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET | | |
432 | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB); | |
433 | flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS); | |
434 | flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1); | |
435 | ||
8397703e TP |
436 | return 0; |
437 | ||
2add87a9 JS |
438 | urb_error: |
439 | flexcop_usb_transfer_exit(fc_usb); | |
2add87a9 JS |
440 | return ret; |
441 | } | |
442 | ||
443 | static int flexcop_usb_init(struct flexcop_usb *fc_usb) | |
444 | { | |
445 | /* use the alternate setting with the larges buffer */ | |
446 | usb_set_interface(fc_usb->udev,0,1); | |
447 | switch (fc_usb->udev->speed) { | |
448 | case USB_SPEED_LOW: | |
449 | err("cannot handle USB speed because it is to sLOW."); | |
450 | return -ENODEV; | |
451 | break; | |
452 | case USB_SPEED_FULL: | |
453 | info("running at FULL speed."); | |
454 | break; | |
455 | case USB_SPEED_HIGH: | |
456 | info("running at HIGH speed."); | |
457 | break; | |
458 | case USB_SPEED_UNKNOWN: /* fall through */ | |
459 | default: | |
460 | err("cannot handle USB speed because it is unkown."); | |
461 | return -ENODEV; | |
462 | } | |
463 | usb_set_intfdata(fc_usb->uintf, fc_usb); | |
464 | return 0; | |
465 | } | |
466 | ||
467 | static void flexcop_usb_exit(struct flexcop_usb *fc_usb) | |
468 | { | |
469 | usb_set_intfdata(fc_usb->uintf, NULL); | |
470 | } | |
471 | ||
472 | static int flexcop_usb_probe(struct usb_interface *intf, | |
473 | const struct usb_device_id *id) | |
474 | { | |
475 | struct usb_device *udev = interface_to_usbdev(intf); | |
476 | struct flexcop_usb *fc_usb = NULL; | |
477 | struct flexcop_device *fc = NULL; | |
478 | int ret; | |
479 | ||
480 | if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { | |
481 | err("out of memory\n"); | |
482 | return -ENOMEM; | |
483 | } | |
484 | ||
485 | /* general flexcop init */ | |
486 | fc_usb = fc->bus_specific; | |
487 | fc_usb->fc_dev = fc; | |
488 | ||
489 | fc->read_ibi_reg = flexcop_usb_read_ibi_reg; | |
490 | fc->write_ibi_reg = flexcop_usb_write_ibi_reg; | |
491 | fc->i2c_request = flexcop_usb_i2c_request; | |
492 | fc->get_mac_addr = flexcop_usb_get_mac_addr; | |
493 | ||
494 | fc->stream_control = flexcop_usb_stream_control; | |
495 | ||
496 | fc->pid_filtering = 1; | |
497 | fc->bus_type = FC_USB; | |
498 | ||
499 | fc->dev = &udev->dev; | |
59a7ad6c | 500 | fc->owner = THIS_MODULE; |
2add87a9 JS |
501 | |
502 | /* bus specific part */ | |
503 | fc_usb->udev = udev; | |
504 | fc_usb->uintf = intf; | |
505 | if ((ret = flexcop_usb_init(fc_usb)) != 0) | |
506 | goto err_kfree; | |
507 | ||
508 | /* init flexcop */ | |
509 | if ((ret = flexcop_device_initialize(fc)) != 0) | |
510 | goto err_usb_exit; | |
511 | ||
512 | /* xfer init */ | |
513 | if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) | |
514 | goto err_fc_exit; | |
515 | ||
516 | info("%s successfully initialized and connected.",DRIVER_NAME); | |
8397703e TP |
517 | return 0; |
518 | ||
2add87a9 JS |
519 | err_fc_exit: |
520 | flexcop_device_exit(fc); | |
521 | err_usb_exit: | |
522 | flexcop_usb_exit(fc_usb); | |
523 | err_kfree: | |
524 | flexcop_device_kfree(fc); | |
2add87a9 JS |
525 | return ret; |
526 | } | |
527 | ||
528 | static void flexcop_usb_disconnect(struct usb_interface *intf) | |
529 | { | |
530 | struct flexcop_usb *fc_usb = usb_get_intfdata(intf); | |
531 | flexcop_usb_transfer_exit(fc_usb); | |
532 | flexcop_device_exit(fc_usb->fc_dev); | |
533 | flexcop_usb_exit(fc_usb); | |
534 | flexcop_device_kfree(fc_usb->fc_dev); | |
535 | info("%s successfully deinitialized and disconnected.",DRIVER_NAME); | |
536 | } | |
537 | ||
538 | static struct usb_device_id flexcop_usb_table [] = { | |
539 | { USB_DEVICE(0x0af7, 0x0101) }, | |
540 | { } | |
541 | }; | |
6637e6fd | 542 | MODULE_DEVICE_TABLE (usb, flexcop_usb_table); |
2add87a9 JS |
543 | |
544 | /* usb specific object needed to register this driver with the usb subsystem */ | |
545 | static struct usb_driver flexcop_usb_driver = { | |
63b5c1c4 | 546 | .name = "b2c2_flexcop_usb", |
2add87a9 JS |
547 | .probe = flexcop_usb_probe, |
548 | .disconnect = flexcop_usb_disconnect, | |
549 | .id_table = flexcop_usb_table, | |
550 | }; | |
551 | ||
552 | /* module stuff */ | |
553 | static int __init flexcop_usb_module_init(void) | |
554 | { | |
555 | int result; | |
556 | if ((result = usb_register(&flexcop_usb_driver))) { | |
557 | err("usb_register failed. (%d)",result); | |
558 | return result; | |
559 | } | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | static void __exit flexcop_usb_module_exit(void) | |
565 | { | |
566 | /* deregister this driver from the USB subsystem */ | |
567 | usb_deregister(&flexcop_usb_driver); | |
568 | } | |
569 | ||
570 | module_init(flexcop_usb_module_init); | |
571 | module_exit(flexcop_usb_module_exit); | |
572 | ||
573 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
574 | MODULE_DESCRIPTION(DRIVER_NAME); | |
575 | MODULE_LICENSE("GPL"); |