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1da177e4 LT |
1 | /* |
2 | * hfc_usb.c | |
3 | * | |
b05121b2 | 4 | * $Id: hfc_usb.c,v 2.3.2.13 2006/02/17 17:17:22 mbachem Exp $ |
1da177e4 LT |
5 | * |
6 | * modular HiSax ISDN driver for Colognechip HFC-S USB chip | |
7 | * | |
8 | * Authors : Peter Sprenger (sprenger@moving-bytes.de) | |
9 | * Martin Bachem (info@colognechip.com) | |
10 | * | |
11 | * based on the first hfc_usb driver of | |
12 | * Werner Cornelius (werner@isdn-development.de) | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2, or (at your option) | |
17 | * any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
27 | * | |
28 | * See Version Histroy at the bottom of this file | |
29 | * | |
30 | */ | |
31 | ||
32 | #include <linux/types.h> | |
33 | #include <linux/stddef.h> | |
34 | #include <linux/timer.h> | |
1da177e4 LT |
35 | #include <linux/init.h> |
36 | #include <linux/module.h> | |
37 | #include <linux/kernel_stat.h> | |
38 | #include <linux/usb.h> | |
39 | #include <linux/kernel.h> | |
40 | #include <linux/smp_lock.h> | |
1da177e4 LT |
41 | #include "hisax.h" |
42 | #include "hisax_if.h" | |
43 | #include "hfc_usb.h" | |
44 | ||
1da177e4 | 45 | static const char *hfcusb_revision = |
b05121b2 | 46 | "$Revision: 2.3.2.13 $ $Date: 2006/02/17 17:17:22 $ "; |
1da177e4 LT |
47 | |
48 | /* Hisax debug support | |
49 | * use "modprobe debug=x" where x is bitfield of USB_DBG & ISDN_DBG | |
50 | */ | |
51 | #ifdef CONFIG_HISAX_DEBUG | |
52 | #include <linux/moduleparam.h> | |
53 | #define __debug_variable hfc_debug | |
54 | #include "hisax_debug.h" | |
55 | static u_int debug; | |
56 | module_param(debug, uint, 0); | |
672c3fd9 | 57 | static int hfc_debug; |
1da177e4 LT |
58 | #endif |
59 | ||
597a107b MB |
60 | /* private vendor specific data */ |
61 | typedef struct { | |
62 | __u8 led_scheme; // led display scheme | |
63 | signed short led_bits[8]; // array of 8 possible LED bitmask settings | |
64 | char *vend_name; // device name | |
65 | } hfcsusb_vdata; | |
1da177e4 LT |
66 | |
67 | /****************************************/ | |
68 | /* data defining the devices to be used */ | |
69 | /****************************************/ | |
597a107b MB |
70 | static struct usb_device_id hfcusb_idtab[] = { |
71 | { | |
d6a1a64a | 72 | USB_DEVICE(0x0959, 0x2bd0), |
597a107b MB |
73 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
74 | {LED_OFF, {4, 0, 2, 1}, | |
75 | "ISDN USB TA (Cologne Chip HFC-S USB based)"}), | |
76 | }, | |
77 | { | |
d6a1a64a | 78 | USB_DEVICE(0x0675, 0x1688), |
597a107b MB |
79 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
80 | {LED_SCHEME1, {1, 2, 0, 0}, | |
81 | "DrayTek miniVigor 128 USB ISDN TA"}), | |
82 | }, | |
83 | { | |
d6a1a64a | 84 | USB_DEVICE(0x07b0, 0x0007), |
597a107b MB |
85 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
86 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
87 | "Billion tiny USB ISDN TA 128"}), | |
88 | }, | |
89 | { | |
d6a1a64a | 90 | USB_DEVICE(0x0742, 0x2008), |
597a107b MB |
91 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
92 | {LED_SCHEME1, {4, 0, 2, 1}, | |
93 | "Stollmann USB TA"}), | |
94 | }, | |
95 | { | |
d6a1a64a | 96 | USB_DEVICE(0x0742, 0x2009), |
597a107b MB |
97 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
98 | {LED_SCHEME1, {4, 0, 2, 1}, | |
99 | "Aceex USB ISDN TA"}), | |
100 | }, | |
101 | { | |
d6a1a64a | 102 | USB_DEVICE(0x0742, 0x200A), |
597a107b MB |
103 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
104 | {LED_SCHEME1, {4, 0, 2, 1}, | |
105 | "OEM USB ISDN TA"}), | |
106 | }, | |
107 | { | |
d6a1a64a | 108 | USB_DEVICE(0x08e3, 0x0301), |
597a107b MB |
109 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
110 | {LED_SCHEME1, {2, 0, 1, 4}, | |
111 | "Olitec USB RNIS"}), | |
112 | }, | |
113 | { | |
d6a1a64a | 114 | USB_DEVICE(0x07fa, 0x0846), |
597a107b MB |
115 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
116 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
117 | "Bewan Modem RNIS USB"}), | |
118 | }, | |
119 | { | |
d6a1a64a | 120 | USB_DEVICE(0x07fa, 0x0847), |
597a107b MB |
121 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
122 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
123 | "Djinn Numeris USB"}), | |
124 | }, | |
125 | { | |
d6a1a64a | 126 | USB_DEVICE(0x07b0, 0x0006), |
597a107b MB |
127 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
128 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
129 | "Twister ISDN TA"}), | |
130 | }, | |
d6a1a64a | 131 | { } |
1da177e4 LT |
132 | }; |
133 | ||
1da177e4 LT |
134 | /***************************************************************/ |
135 | /* structure defining input+output fifos (interrupt/bulk mode) */ | |
136 | /***************************************************************/ | |
137 | struct usb_fifo; /* forward definition */ | |
138 | typedef struct iso_urb_struct { | |
139 | struct urb *purb; | |
140 | __u8 buffer[ISO_BUFFER_SIZE]; /* buffer incoming/outgoing data */ | |
141 | struct usb_fifo *owner_fifo; /* pointer to owner fifo */ | |
142 | } iso_urb_struct; | |
143 | ||
144 | ||
145 | struct hfcusb_data; /* forward definition */ | |
146 | typedef struct usb_fifo { | |
147 | int fifonum; /* fifo index attached to this structure */ | |
148 | int active; /* fifo is currently active */ | |
149 | struct hfcusb_data *hfc; /* pointer to main structure */ | |
150 | int pipe; /* address of endpoint */ | |
151 | __u8 usb_packet_maxlen; /* maximum length for usb transfer */ | |
152 | unsigned int max_size; /* maximum size of receive/send packet */ | |
153 | __u8 intervall; /* interrupt interval */ | |
154 | struct sk_buff *skbuff; /* actual used buffer */ | |
155 | struct urb *urb; /* transfer structure for usb routines */ | |
156 | __u8 buffer[128]; /* buffer incoming/outgoing data */ | |
157 | int bit_line; /* how much bits are in the fifo? */ | |
158 | ||
159 | volatile __u8 usb_transfer_mode; /* switched between ISO and INT */ | |
160 | iso_urb_struct iso[2]; /* need two urbs to have one always for pending */ | |
161 | struct hisax_if *hif; /* hisax interface */ | |
162 | int delete_flg; /* only delete skbuff once */ | |
163 | int last_urblen; /* remember length of last packet */ | |
164 | ||
165 | } usb_fifo; | |
166 | ||
167 | /*********************************************/ | |
168 | /* structure holding all data for one device */ | |
169 | /*********************************************/ | |
170 | typedef struct hfcusb_data { | |
171 | /* HiSax Interface for loadable Layer1 drivers */ | |
172 | struct hisax_d_if d_if; /* see hisax_if.h */ | |
173 | struct hisax_b_if b_if[2]; /* see hisax_if.h */ | |
174 | int protocol; | |
175 | ||
176 | struct usb_device *dev; /* our device */ | |
177 | int if_used; /* used interface number */ | |
178 | int alt_used; /* used alternate config */ | |
179 | int ctrl_paksize; /* control pipe packet size */ | |
180 | int ctrl_in_pipe, ctrl_out_pipe; /* handles for control pipe */ | |
181 | int cfg_used; /* configuration index used */ | |
182 | int vend_idx; /* vendor found */ | |
183 | int b_mode[2]; /* B-channel mode */ | |
184 | int l1_activated; /* layer 1 activated */ | |
a871fe85 | 185 | int disc_flag; /* 'true' if device was disonnected to avoid some USB actions */ |
1da177e4 LT |
186 | int packet_size, iso_packet_size; |
187 | ||
188 | /* control pipe background handling */ | |
189 | ctrl_buft ctrl_buff[HFC_CTRL_BUFSIZE]; /* buffer holding queued data */ | |
190 | volatile int ctrl_in_idx, ctrl_out_idx, ctrl_cnt; /* input/output pointer + count */ | |
191 | struct urb *ctrl_urb; /* transfer structure for control channel */ | |
192 | ||
193 | struct usb_ctrlrequest ctrl_write; /* buffer for control write request */ | |
194 | struct usb_ctrlrequest ctrl_read; /* same for read request */ | |
195 | ||
196 | __u8 old_led_state, led_state, led_new_data, led_b_active; | |
197 | ||
198 | volatile __u8 threshold_mask; /* threshold actually reported */ | |
199 | volatile __u8 bch_enables; /* or mask for sctrl_r and sctrl register values */ | |
200 | ||
201 | usb_fifo fifos[HFCUSB_NUM_FIFOS]; /* structure holding all fifo data */ | |
202 | ||
203 | volatile __u8 l1_state; /* actual l1 state */ | |
204 | struct timer_list t3_timer; /* timer 3 for activation/deactivation */ | |
205 | struct timer_list t4_timer; /* timer 4 for activation/deactivation */ | |
1da177e4 LT |
206 | } hfcusb_data; |
207 | ||
208 | ||
209 | static void collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, | |
210 | int finish); | |
211 | ||
212 | ||
213 | static inline const char * | |
214 | symbolic(struct hfcusb_symbolic_list list[], const int num) | |
215 | { | |
216 | int i; | |
217 | for (i = 0; list[i].name != NULL; i++) | |
218 | if (list[i].num == num) | |
219 | return (list[i].name); | |
b05121b2 | 220 | return "<unknown ERROR>"; |
1da177e4 LT |
221 | } |
222 | ||
223 | ||
224 | /******************************************************/ | |
225 | /* start next background transfer for control channel */ | |
226 | /******************************************************/ | |
227 | static void | |
228 | ctrl_start_transfer(hfcusb_data * hfc) | |
229 | { | |
230 | if (hfc->ctrl_cnt) { | |
231 | hfc->ctrl_urb->pipe = hfc->ctrl_out_pipe; | |
232 | hfc->ctrl_urb->setup_packet = (u_char *) & hfc->ctrl_write; | |
233 | hfc->ctrl_urb->transfer_buffer = NULL; | |
234 | hfc->ctrl_urb->transfer_buffer_length = 0; | |
235 | hfc->ctrl_write.wIndex = | |
b05121b2 | 236 | cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].hfc_reg); |
1da177e4 | 237 | hfc->ctrl_write.wValue = |
b05121b2 | 238 | cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].reg_val); |
1da177e4 LT |
239 | |
240 | usb_submit_urb(hfc->ctrl_urb, GFP_ATOMIC); /* start transfer */ | |
241 | } | |
242 | } /* ctrl_start_transfer */ | |
243 | ||
244 | /************************************/ | |
245 | /* queue a control transfer request */ | |
246 | /* return 0 on success. */ | |
247 | /************************************/ | |
248 | static int | |
249 | queue_control_request(hfcusb_data * hfc, __u8 reg, __u8 val, int action) | |
250 | { | |
251 | ctrl_buft *buf; | |
252 | ||
253 | if (hfc->ctrl_cnt >= HFC_CTRL_BUFSIZE) | |
254 | return (1); /* no space left */ | |
255 | buf = &hfc->ctrl_buff[hfc->ctrl_in_idx]; /* pointer to new index */ | |
256 | buf->hfc_reg = reg; | |
257 | buf->reg_val = val; | |
258 | buf->action = action; | |
259 | if (++hfc->ctrl_in_idx >= HFC_CTRL_BUFSIZE) | |
260 | hfc->ctrl_in_idx = 0; /* pointer wrap */ | |
261 | if (++hfc->ctrl_cnt == 1) | |
262 | ctrl_start_transfer(hfc); | |
263 | return (0); | |
264 | } /* queue_control_request */ | |
265 | ||
266 | static int | |
267 | control_action_handler(hfcusb_data * hfc, int reg, int val, int action) | |
268 | { | |
269 | if (!action) | |
270 | return (1); /* no action defined */ | |
271 | return (0); | |
272 | } | |
273 | ||
274 | /***************************************************************/ | |
275 | /* control completion routine handling background control cmds */ | |
276 | /***************************************************************/ | |
277 | static void | |
7d12e780 | 278 | ctrl_complete(struct urb *urb) |
1da177e4 LT |
279 | { |
280 | hfcusb_data *hfc = (hfcusb_data *) urb->context; | |
281 | ctrl_buft *buf; | |
282 | ||
283 | urb->dev = hfc->dev; | |
284 | if (hfc->ctrl_cnt) { | |
285 | buf = &hfc->ctrl_buff[hfc->ctrl_out_idx]; | |
286 | control_action_handler(hfc, buf->hfc_reg, buf->reg_val, | |
287 | buf->action); | |
288 | ||
289 | hfc->ctrl_cnt--; /* decrement actual count */ | |
290 | if (++hfc->ctrl_out_idx >= HFC_CTRL_BUFSIZE) | |
291 | hfc->ctrl_out_idx = 0; /* pointer wrap */ | |
292 | ||
293 | ctrl_start_transfer(hfc); /* start next transfer */ | |
294 | } | |
295 | } /* ctrl_complete */ | |
296 | ||
297 | /***************************************************/ | |
298 | /* write led data to auxport & invert if necessary */ | |
299 | /***************************************************/ | |
300 | static void | |
301 | write_led(hfcusb_data * hfc, __u8 led_state) | |
302 | { | |
303 | if (led_state != hfc->old_led_state) { | |
304 | hfc->old_led_state = led_state; | |
305 | queue_control_request(hfc, HFCUSB_P_DATA, led_state, 1); | |
306 | } | |
307 | } | |
308 | ||
309 | /**************************/ | |
310 | /* handle LED bits */ | |
311 | /**************************/ | |
312 | static void | |
313 | set_led_bit(hfcusb_data * hfc, signed short led_bits, int unset) | |
314 | { | |
315 | if (unset) { | |
316 | if (led_bits < 0) | |
317 | hfc->led_state |= abs(led_bits); | |
318 | else | |
319 | hfc->led_state &= ~led_bits; | |
320 | } else { | |
321 | if (led_bits < 0) | |
322 | hfc->led_state &= ~abs(led_bits); | |
323 | else | |
324 | hfc->led_state |= led_bits; | |
325 | } | |
326 | } | |
327 | ||
1da177e4 LT |
328 | /**************************/ |
329 | /* handle LED requests */ | |
330 | /**************************/ | |
331 | static void | |
332 | handle_led(hfcusb_data * hfc, int event) | |
333 | { | |
597a107b MB |
334 | hfcsusb_vdata *driver_info = |
335 | (hfcsusb_vdata *) hfcusb_idtab[hfc->vend_idx].driver_info; | |
336 | ||
1da177e4 | 337 | /* if no scheme -> no LED action */ |
597a107b | 338 | if (driver_info->led_scheme == LED_OFF) |
1da177e4 LT |
339 | return; |
340 | ||
341 | switch (event) { | |
342 | case LED_POWER_ON: | |
597a107b | 343 | set_led_bit(hfc, driver_info->led_bits[0], |
1da177e4 | 344 | 0); |
597a107b | 345 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 | 346 | 1); |
597a107b | 347 | set_led_bit(hfc, driver_info->led_bits[2], |
1da177e4 | 348 | 1); |
597a107b | 349 | set_led_bit(hfc, driver_info->led_bits[3], |
1da177e4 LT |
350 | 1); |
351 | break; | |
352 | case LED_POWER_OFF: /* no Power off handling */ | |
353 | break; | |
354 | case LED_S0_ON: | |
597a107b | 355 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 LT |
356 | 0); |
357 | break; | |
358 | case LED_S0_OFF: | |
597a107b | 359 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 LT |
360 | 1); |
361 | break; | |
362 | case LED_B1_ON: | |
597a107b MB |
363 | set_led_bit(hfc, driver_info->led_bits[2], |
364 | 0); | |
1da177e4 LT |
365 | break; |
366 | case LED_B1_OFF: | |
597a107b MB |
367 | set_led_bit(hfc, driver_info->led_bits[2], |
368 | 1); | |
1da177e4 LT |
369 | break; |
370 | case LED_B2_ON: | |
597a107b MB |
371 | set_led_bit(hfc, driver_info->led_bits[3], |
372 | 0); | |
1da177e4 LT |
373 | break; |
374 | case LED_B2_OFF: | |
597a107b MB |
375 | set_led_bit(hfc, driver_info->led_bits[3], |
376 | 1); | |
1da177e4 LT |
377 | break; |
378 | } | |
1da177e4 LT |
379 | write_led(hfc, hfc->led_state); |
380 | } | |
381 | ||
382 | /********************************/ | |
383 | /* called when timer t3 expires */ | |
384 | /********************************/ | |
385 | static void | |
386 | l1_timer_expire_t3(hfcusb_data * hfc) | |
387 | { | |
388 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
389 | NULL); | |
390 | #ifdef CONFIG_HISAX_DEBUG | |
391 | DBG(ISDN_DBG, | |
392 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T3 expire)"); | |
393 | #endif | |
a871fe85 | 394 | hfc->l1_activated = false; |
1da177e4 LT |
395 | handle_led(hfc, LED_S0_OFF); |
396 | /* deactivate : */ | |
397 | queue_control_request(hfc, HFCUSB_STATES, 0x10, 1); | |
398 | queue_control_request(hfc, HFCUSB_STATES, 3, 1); | |
399 | } | |
400 | ||
401 | /********************************/ | |
402 | /* called when timer t4 expires */ | |
403 | /********************************/ | |
404 | static void | |
405 | l1_timer_expire_t4(hfcusb_data * hfc) | |
406 | { | |
407 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
408 | NULL); | |
409 | #ifdef CONFIG_HISAX_DEBUG | |
410 | DBG(ISDN_DBG, | |
411 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T4 expire)"); | |
412 | #endif | |
a871fe85 | 413 | hfc->l1_activated = false; |
1da177e4 LT |
414 | handle_led(hfc, LED_S0_OFF); |
415 | } | |
416 | ||
417 | /*****************************/ | |
418 | /* handle S0 state changes */ | |
419 | /*****************************/ | |
420 | static void | |
421 | state_handler(hfcusb_data * hfc, __u8 state) | |
422 | { | |
423 | __u8 old_state; | |
424 | ||
425 | old_state = hfc->l1_state; | |
426 | if (state == old_state || state < 1 || state > 8) | |
427 | return; | |
428 | ||
429 | #ifdef CONFIG_HISAX_DEBUG | |
430 | DBG(ISDN_DBG, "HFC-S USB: new S0 state:%d old_state:%d", state, | |
431 | old_state); | |
432 | #endif | |
433 | if (state < 4 || state == 7 || state == 8) { | |
434 | if (timer_pending(&hfc->t3_timer)) | |
435 | del_timer(&hfc->t3_timer); | |
436 | #ifdef CONFIG_HISAX_DEBUG | |
437 | DBG(ISDN_DBG, "HFC-S USB: T3 deactivated"); | |
438 | #endif | |
439 | } | |
440 | if (state >= 7) { | |
441 | if (timer_pending(&hfc->t4_timer)) | |
442 | del_timer(&hfc->t4_timer); | |
443 | #ifdef CONFIG_HISAX_DEBUG | |
444 | DBG(ISDN_DBG, "HFC-S USB: T4 deactivated"); | |
445 | #endif | |
446 | } | |
447 | ||
448 | if (state == 7 && !hfc->l1_activated) { | |
449 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
450 | PH_ACTIVATE | INDICATION, NULL); | |
451 | #ifdef CONFIG_HISAX_DEBUG | |
452 | DBG(ISDN_DBG, "HFC-S USB: PH_ACTIVATE | INDICATION sent"); | |
453 | #endif | |
a871fe85 | 454 | hfc->l1_activated = true; |
1da177e4 LT |
455 | handle_led(hfc, LED_S0_ON); |
456 | } else if (state <= 3 /* && activated */ ) { | |
457 | if (old_state == 7 || old_state == 8) { | |
458 | #ifdef CONFIG_HISAX_DEBUG | |
459 | DBG(ISDN_DBG, "HFC-S USB: T4 activated"); | |
460 | #endif | |
461 | if (!timer_pending(&hfc->t4_timer)) { | |
462 | hfc->t4_timer.expires = | |
463 | jiffies + (HFC_TIMER_T4 * HZ) / 1000; | |
464 | add_timer(&hfc->t4_timer); | |
465 | } | |
466 | } else { | |
467 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
468 | PH_DEACTIVATE | INDICATION, | |
469 | NULL); | |
470 | #ifdef CONFIG_HISAX_DEBUG | |
471 | DBG(ISDN_DBG, | |
472 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent"); | |
473 | #endif | |
a871fe85 | 474 | hfc->l1_activated = false; |
1da177e4 LT |
475 | handle_led(hfc, LED_S0_OFF); |
476 | } | |
477 | } | |
478 | hfc->l1_state = state; | |
479 | } | |
480 | ||
481 | /* prepare iso urb */ | |
482 | static void | |
483 | fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, | |
484 | void *buf, int num_packets, int packet_size, int interval, | |
485 | usb_complete_t complete, void *context) | |
486 | { | |
487 | int k; | |
488 | ||
489 | spin_lock_init(&urb->lock); | |
490 | urb->dev = dev; | |
491 | urb->pipe = pipe; | |
492 | urb->complete = complete; | |
493 | urb->number_of_packets = num_packets; | |
494 | urb->transfer_buffer_length = packet_size * num_packets; | |
495 | urb->context = context; | |
496 | urb->transfer_buffer = buf; | |
497 | urb->transfer_flags = URB_ISO_ASAP; | |
498 | urb->actual_length = 0; | |
499 | urb->interval = interval; | |
500 | for (k = 0; k < num_packets; k++) { | |
501 | urb->iso_frame_desc[k].offset = packet_size * k; | |
502 | urb->iso_frame_desc[k].length = packet_size; | |
503 | urb->iso_frame_desc[k].actual_length = 0; | |
504 | } | |
505 | } | |
506 | ||
507 | /* allocs urbs and start isoc transfer with two pending urbs to avoid | |
508 | gaps in the transfer chain */ | |
509 | static int | |
510 | start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, | |
511 | usb_complete_t complete, int packet_size) | |
512 | { | |
513 | int i, k, errcode; | |
514 | ||
515 | printk(KERN_INFO "HFC-S USB: starting ISO-chain for Fifo %i\n", | |
516 | fifo->fifonum); | |
517 | ||
518 | /* allocate Memory for Iso out Urbs */ | |
519 | for (i = 0; i < 2; i++) { | |
520 | if (!(fifo->iso[i].purb)) { | |
521 | fifo->iso[i].purb = | |
522 | usb_alloc_urb(num_packets_per_urb, GFP_KERNEL); | |
523 | if (!(fifo->iso[i].purb)) { | |
524 | printk(KERN_INFO | |
525 | "alloc urb for fifo %i failed!!!", | |
526 | fifo->fifonum); | |
527 | } | |
528 | fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo; | |
529 | ||
530 | /* Init the first iso */ | |
531 | if (ISO_BUFFER_SIZE >= | |
532 | (fifo->usb_packet_maxlen * | |
533 | num_packets_per_urb)) { | |
534 | fill_isoc_urb(fifo->iso[i].purb, | |
535 | fifo->hfc->dev, fifo->pipe, | |
536 | fifo->iso[i].buffer, | |
537 | num_packets_per_urb, | |
538 | fifo->usb_packet_maxlen, | |
539 | fifo->intervall, complete, | |
540 | &fifo->iso[i]); | |
541 | memset(fifo->iso[i].buffer, 0, | |
542 | sizeof(fifo->iso[i].buffer)); | |
543 | /* defining packet delimeters in fifo->buffer */ | |
544 | for (k = 0; k < num_packets_per_urb; k++) { | |
545 | fifo->iso[i].purb-> | |
546 | iso_frame_desc[k].offset = | |
547 | k * packet_size; | |
548 | fifo->iso[i].purb-> | |
549 | iso_frame_desc[k].length = | |
550 | packet_size; | |
551 | } | |
552 | } else { | |
553 | printk(KERN_INFO | |
554 | "HFC-S USB: ISO Buffer size to small!\n"); | |
555 | } | |
556 | } | |
557 | fifo->bit_line = BITLINE_INF; | |
558 | ||
559 | errcode = usb_submit_urb(fifo->iso[i].purb, GFP_KERNEL); | |
560 | fifo->active = (errcode >= 0) ? 1 : 0; | |
561 | if (errcode < 0) { | |
562 | printk(KERN_INFO "HFC-S USB: %s URB nr:%d\n", | |
563 | symbolic(urb_errlist, errcode), i); | |
564 | }; | |
565 | } | |
566 | return (fifo->active); | |
567 | } | |
568 | ||
569 | /* stops running iso chain and frees their pending urbs */ | |
570 | static void | |
571 | stop_isoc_chain(usb_fifo * fifo) | |
572 | { | |
573 | int i; | |
574 | ||
575 | for (i = 0; i < 2; i++) { | |
576 | if (fifo->iso[i].purb) { | |
577 | #ifdef CONFIG_HISAX_DEBUG | |
578 | DBG(USB_DBG, | |
579 | "HFC-S USB: Stopping iso chain for fifo %i.%i", | |
580 | fifo->fifonum, i); | |
581 | #endif | |
582 | usb_unlink_urb(fifo->iso[i].purb); | |
583 | usb_free_urb(fifo->iso[i].purb); | |
584 | fifo->iso[i].purb = NULL; | |
585 | } | |
586 | } | |
587 | if (fifo->urb) { | |
588 | usb_unlink_urb(fifo->urb); | |
589 | usb_free_urb(fifo->urb); | |
590 | fifo->urb = NULL; | |
591 | } | |
592 | fifo->active = 0; | |
593 | } | |
594 | ||
595 | /* defines how much ISO packets are handled in one URB */ | |
596 | static int iso_packets[8] = | |
597 | { ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, | |
598 | ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D | |
599 | }; | |
600 | ||
601 | /*****************************************************/ | |
602 | /* transmit completion routine for all ISO tx fifos */ | |
603 | /*****************************************************/ | |
604 | static void | |
7d12e780 | 605 | tx_iso_complete(struct urb *urb) |
1da177e4 LT |
606 | { |
607 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
608 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
609 | hfcusb_data *hfc = fifo->hfc; | |
610 | int k, tx_offset, num_isoc_packets, sink, len, current_len, | |
611 | errcode; | |
612 | int frame_complete, transp_mode, fifon, status; | |
613 | __u8 threshbit; | |
614 | __u8 threshtable[8] = { 1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80 }; | |
615 | ||
616 | fifon = fifo->fifonum; | |
617 | status = urb->status; | |
618 | ||
619 | tx_offset = 0; | |
620 | ||
621 | if (fifo->active && !status) { | |
622 | transp_mode = 0; | |
623 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
a871fe85 | 624 | transp_mode = true; |
1da177e4 LT |
625 | |
626 | /* is FifoFull-threshold set for our channel? */ | |
627 | threshbit = threshtable[fifon] & hfc->threshold_mask; | |
628 | num_isoc_packets = iso_packets[fifon]; | |
629 | ||
630 | /* predict dataflow to avoid fifo overflow */ | |
631 | if (fifon >= HFCUSB_D_TX) { | |
632 | sink = (threshbit) ? SINK_DMIN : SINK_DMAX; | |
633 | } else { | |
634 | sink = (threshbit) ? SINK_MIN : SINK_MAX; | |
635 | } | |
636 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
637 | context_iso_urb->buffer, num_isoc_packets, | |
638 | fifo->usb_packet_maxlen, fifo->intervall, | |
639 | tx_iso_complete, urb->context); | |
640 | memset(context_iso_urb->buffer, 0, | |
641 | sizeof(context_iso_urb->buffer)); | |
a871fe85 | 642 | frame_complete = false; |
1da177e4 LT |
643 | /* Generate next Iso Packets */ |
644 | for (k = 0; k < num_isoc_packets; ++k) { | |
645 | if (fifo->skbuff) { | |
646 | len = fifo->skbuff->len; | |
647 | /* we lower data margin every msec */ | |
648 | fifo->bit_line -= sink; | |
649 | current_len = (0 - fifo->bit_line) / 8; | |
650 | /* maximum 15 byte for every ISO packet makes our life easier */ | |
651 | if (current_len > 14) | |
652 | current_len = 14; | |
653 | current_len = | |
654 | (len <= | |
655 | current_len) ? len : current_len; | |
656 | /* how much bit do we put on the line? */ | |
657 | fifo->bit_line += current_len * 8; | |
658 | ||
659 | context_iso_urb->buffer[tx_offset] = 0; | |
660 | if (current_len == len) { | |
661 | if (!transp_mode) { | |
662 | /* here frame completion */ | |
663 | context_iso_urb-> | |
664 | buffer[tx_offset] = 1; | |
665 | /* add 2 byte flags and 16bit CRC at end of ISDN frame */ | |
666 | fifo->bit_line += 32; | |
667 | } | |
a871fe85 | 668 | frame_complete = true; |
1da177e4 LT |
669 | } |
670 | ||
671 | memcpy(context_iso_urb->buffer + | |
672 | tx_offset + 1, fifo->skbuff->data, | |
673 | current_len); | |
674 | skb_pull(fifo->skbuff, current_len); | |
675 | ||
676 | /* define packet delimeters within the URB buffer */ | |
677 | urb->iso_frame_desc[k].offset = tx_offset; | |
678 | urb->iso_frame_desc[k].length = | |
679 | current_len + 1; | |
680 | ||
681 | tx_offset += (current_len + 1); | |
1da177e4 LT |
682 | } else { |
683 | urb->iso_frame_desc[k].offset = | |
684 | tx_offset++; | |
685 | ||
686 | urb->iso_frame_desc[k].length = 1; | |
687 | fifo->bit_line -= sink; /* we lower data margin every msec */ | |
688 | ||
689 | if (fifo->bit_line < BITLINE_INF) { | |
690 | fifo->bit_line = BITLINE_INF; | |
691 | } | |
692 | } | |
693 | ||
694 | if (frame_complete) { | |
a871fe85 | 695 | fifo->delete_flg = true; |
1da177e4 LT |
696 | fifo->hif->l1l2(fifo->hif, |
697 | PH_DATA | CONFIRM, | |
17a4506d | 698 | (void *) (unsigned long) fifo->skbuff-> |
1da177e4 LT |
699 | truesize); |
700 | if (fifo->skbuff && fifo->delete_flg) { | |
701 | dev_kfree_skb_any(fifo->skbuff); | |
702 | fifo->skbuff = NULL; | |
a871fe85 | 703 | fifo->delete_flg = false; |
1da177e4 | 704 | } |
a871fe85 | 705 | frame_complete = false; |
1da177e4 LT |
706 | } |
707 | } | |
708 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
709 | if (errcode < 0) { | |
710 | printk(KERN_INFO | |
711 | "HFC-S USB: error submitting ISO URB: %d \n", | |
712 | errcode); | |
713 | } | |
714 | } else { | |
715 | if (status && !hfc->disc_flag) { | |
716 | printk(KERN_INFO | |
717 | "HFC-S USB: tx_iso_complete : urb->status %s (%i), fifonum=%d\n", | |
718 | symbolic(urb_errlist, status), status, | |
719 | fifon); | |
720 | } | |
721 | } | |
722 | } /* tx_iso_complete */ | |
723 | ||
724 | /*****************************************************/ | |
725 | /* receive completion routine for all ISO tx fifos */ | |
726 | /*****************************************************/ | |
727 | static void | |
7d12e780 | 728 | rx_iso_complete(struct urb *urb) |
1da177e4 LT |
729 | { |
730 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
731 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
732 | hfcusb_data *hfc = fifo->hfc; | |
733 | int k, len, errcode, offset, num_isoc_packets, fifon, maxlen, | |
734 | status; | |
735 | unsigned int iso_status; | |
736 | __u8 *buf; | |
737 | static __u8 eof[8]; | |
738 | #ifdef CONFIG_HISAX_DEBUG | |
739 | __u8 i; | |
740 | #endif | |
741 | ||
742 | fifon = fifo->fifonum; | |
743 | status = urb->status; | |
744 | ||
745 | if (urb->status == -EOVERFLOW) { | |
746 | #ifdef CONFIG_HISAX_DEBUG | |
747 | DBG(USB_DBG, | |
748 | "HFC-USB: ignoring USB DATAOVERRUN for fifo %i \n", | |
749 | fifon); | |
750 | #endif | |
751 | status = 0; | |
752 | } | |
753 | if (fifo->active && !status) { | |
754 | num_isoc_packets = iso_packets[fifon]; | |
755 | maxlen = fifo->usb_packet_maxlen; | |
756 | for (k = 0; k < num_isoc_packets; ++k) { | |
757 | len = urb->iso_frame_desc[k].actual_length; | |
758 | offset = urb->iso_frame_desc[k].offset; | |
759 | buf = context_iso_urb->buffer + offset; | |
760 | iso_status = urb->iso_frame_desc[k].status; | |
761 | #ifdef CONFIG_HISAX_DEBUG | |
762 | if (iso_status && !hfc->disc_flag) | |
763 | DBG(USB_DBG, | |
764 | "HFC-S USB: ISO packet failure - status:%x", | |
765 | iso_status); | |
766 | ||
767 | if ((fifon == 5) && (debug > 1)) { | |
768 | printk(KERN_INFO | |
769 | "HFC-S USB: ISO-D-RX lst_urblen:%2d " | |
770 | "act_urblen:%2d max-urblen:%2d " | |
771 | "EOF:0x%0x DATA: ", | |
772 | fifo->last_urblen, len, maxlen, | |
773 | eof[5]); | |
774 | for (i = 0; i < len; i++) | |
775 | printk("%.2x ", buf[i]); | |
776 | printk("\n"); | |
777 | } | |
778 | #endif | |
779 | if (fifo->last_urblen != maxlen) { | |
780 | /* the threshold mask is in the 2nd status byte */ | |
781 | hfc->threshold_mask = buf[1]; | |
782 | /* care for L1 state only for D-Channel | |
783 | to avoid overlapped iso completions */ | |
784 | if (fifon == 5) { | |
785 | /* the S0 state is in the upper half | |
786 | of the 1st status byte */ | |
787 | state_handler(hfc, buf[0] >> 4); | |
788 | } | |
789 | eof[fifon] = buf[0] & 1; | |
790 | if (len > 2) | |
791 | collect_rx_frame(fifo, buf + 2, | |
792 | len - 2, | |
793 | (len < | |
794 | maxlen) ? | |
795 | eof[fifon] : 0); | |
796 | } else { | |
797 | collect_rx_frame(fifo, buf, len, | |
798 | (len < | |
799 | maxlen) ? eof[fifon] : | |
800 | 0); | |
801 | } | |
802 | fifo->last_urblen = len; | |
803 | } | |
804 | ||
805 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
806 | context_iso_urb->buffer, num_isoc_packets, | |
807 | fifo->usb_packet_maxlen, fifo->intervall, | |
808 | rx_iso_complete, urb->context); | |
809 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
810 | if (errcode < 0) { | |
811 | printk(KERN_INFO | |
812 | "HFC-S USB: error submitting ISO URB: %d \n", | |
813 | errcode); | |
814 | } | |
815 | } else { | |
816 | if (status && !hfc->disc_flag) { | |
817 | printk(KERN_INFO | |
818 | "HFC-S USB: rx_iso_complete : " | |
819 | "urb->status %d, fifonum %d\n", | |
820 | status, fifon); | |
821 | } | |
822 | } | |
823 | } /* rx_iso_complete */ | |
824 | ||
825 | /*****************************************************/ | |
826 | /* collect data from interrupt or isochron in */ | |
827 | /*****************************************************/ | |
828 | static void | |
829 | collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) | |
830 | { | |
831 | hfcusb_data *hfc = fifo->hfc; | |
832 | int transp_mode, fifon; | |
833 | #ifdef CONFIG_HISAX_DEBUG | |
834 | int i; | |
835 | #endif | |
836 | fifon = fifo->fifonum; | |
837 | transp_mode = 0; | |
838 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
a871fe85 | 839 | transp_mode = true; |
1da177e4 LT |
840 | |
841 | if (!fifo->skbuff) { | |
842 | fifo->skbuff = dev_alloc_skb(fifo->max_size + 3); | |
843 | if (!fifo->skbuff) { | |
844 | printk(KERN_INFO | |
845 | "HFC-S USB: cannot allocate buffer (dev_alloc_skb) fifo:%d\n", | |
846 | fifon); | |
847 | return; | |
848 | } | |
849 | } | |
850 | if (len) { | |
851 | if (fifo->skbuff->len + len < fifo->max_size) { | |
852 | memcpy(skb_put(fifo->skbuff, len), data, len); | |
853 | } else { | |
854 | #ifdef CONFIG_HISAX_DEBUG | |
855 | printk(KERN_INFO "HFC-S USB: "); | |
856 | for (i = 0; i < 15; i++) | |
857 | printk("%.2x ", | |
858 | fifo->skbuff->data[fifo->skbuff-> | |
859 | len - 15 + i]); | |
860 | printk("\n"); | |
861 | #endif | |
862 | printk(KERN_INFO | |
863 | "HCF-USB: got frame exceeded fifo->max_size:%d on fifo:%d\n", | |
864 | fifo->max_size, fifon); | |
865 | } | |
866 | } | |
867 | if (transp_mode && fifo->skbuff->len >= 128) { | |
868 | fifo->hif->l1l2(fifo->hif, PH_DATA | INDICATION, | |
869 | fifo->skbuff); | |
870 | fifo->skbuff = NULL; | |
871 | return; | |
872 | } | |
873 | /* we have a complete hdlc packet */ | |
874 | if (finish) { | |
875 | if ((!fifo->skbuff->data[fifo->skbuff->len - 1]) | |
876 | && (fifo->skbuff->len > 3)) { | |
877 | /* remove CRC & status */ | |
878 | skb_trim(fifo->skbuff, fifo->skbuff->len - 3); | |
879 | if (fifon == HFCUSB_PCM_RX) { | |
880 | fifo->hif->l1l2(fifo->hif, | |
881 | PH_DATA_E | INDICATION, | |
882 | fifo->skbuff); | |
883 | } else | |
884 | fifo->hif->l1l2(fifo->hif, | |
885 | PH_DATA | INDICATION, | |
886 | fifo->skbuff); | |
887 | fifo->skbuff = NULL; /* buffer was freed from upper layer */ | |
888 | } else { | |
889 | if (fifo->skbuff->len > 3) { | |
890 | printk(KERN_INFO | |
891 | "HFC-S USB: got frame %d bytes but CRC ERROR on fifo:%d!!!\n", | |
892 | fifo->skbuff->len, fifon); | |
893 | #ifdef CONFIG_HISAX_DEBUG | |
894 | if (debug > 1) { | |
895 | printk(KERN_INFO "HFC-S USB: "); | |
896 | for (i = 0; i < 15; i++) | |
897 | printk("%.2x ", | |
898 | fifo->skbuff-> | |
899 | data[fifo->skbuff-> | |
900 | len - 15 + i]); | |
901 | printk("\n"); | |
902 | } | |
903 | #endif | |
904 | } | |
905 | #ifdef CONFIG_HISAX_DEBUG | |
906 | else { | |
907 | printk(KERN_INFO | |
908 | "HFC-S USB: frame to small (%d bytes)!!!\n", | |
909 | fifo->skbuff->len); | |
910 | } | |
911 | #endif | |
912 | skb_trim(fifo->skbuff, 0); | |
913 | } | |
914 | } | |
1da177e4 LT |
915 | } |
916 | ||
917 | /***********************************************/ | |
918 | /* receive completion routine for all rx fifos */ | |
919 | /***********************************************/ | |
920 | static void | |
7d12e780 | 921 | rx_complete(struct urb *urb) |
1da177e4 LT |
922 | { |
923 | int len; | |
924 | int status; | |
925 | __u8 *buf, maxlen, fifon; | |
926 | usb_fifo *fifo = (usb_fifo *) urb->context; | |
927 | hfcusb_data *hfc = fifo->hfc; | |
928 | static __u8 eof[8]; | |
929 | #ifdef CONFIG_HISAX_DEBUG | |
930 | __u8 i; | |
931 | #endif | |
932 | ||
933 | urb->dev = hfc->dev; /* security init */ | |
934 | ||
935 | fifon = fifo->fifonum; | |
936 | if ((!fifo->active) || (urb->status)) { | |
937 | #ifdef CONFIG_HISAX_DEBUG | |
938 | DBG(USB_DBG, "HFC-S USB: RX-Fifo %i is going down (%i)", | |
939 | fifon, urb->status); | |
940 | #endif | |
941 | fifo->urb->interval = 0; /* cancel automatic rescheduling */ | |
942 | if (fifo->skbuff) { | |
943 | dev_kfree_skb_any(fifo->skbuff); | |
944 | fifo->skbuff = NULL; | |
945 | } | |
946 | return; | |
947 | } | |
948 | len = urb->actual_length; | |
949 | buf = fifo->buffer; | |
950 | maxlen = fifo->usb_packet_maxlen; | |
951 | ||
952 | #ifdef CONFIG_HISAX_DEBUG | |
953 | if ((fifon == 5) && (debug > 1)) { | |
954 | printk(KERN_INFO | |
955 | "HFC-S USB: INT-D-RX lst_urblen:%2d act_urblen:%2d max-urblen:%2d EOF:0x%0x DATA: ", | |
956 | fifo->last_urblen, len, maxlen, eof[5]); | |
957 | for (i = 0; i < len; i++) | |
958 | printk("%.2x ", buf[i]); | |
959 | printk("\n"); | |
960 | } | |
961 | #endif | |
962 | ||
963 | if (fifo->last_urblen != fifo->usb_packet_maxlen) { | |
964 | /* the threshold mask is in the 2nd status byte */ | |
965 | hfc->threshold_mask = buf[1]; | |
966 | /* the S0 state is in the upper half of the 1st status byte */ | |
967 | state_handler(hfc, buf[0] >> 4); | |
968 | eof[fifon] = buf[0] & 1; | |
969 | /* if we have more than the 2 status bytes -> collect data */ | |
970 | if (len > 2) | |
971 | collect_rx_frame(fifo, buf + 2, | |
972 | urb->actual_length - 2, | |
973 | (len < maxlen) ? eof[fifon] : 0); | |
974 | } else { | |
975 | collect_rx_frame(fifo, buf, urb->actual_length, | |
976 | (len < maxlen) ? eof[fifon] : 0); | |
977 | } | |
978 | fifo->last_urblen = urb->actual_length; | |
979 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
980 | if (status) { | |
981 | printk(KERN_INFO | |
982 | "HFC-S USB: error resubmitting URN at rx_complete...\n"); | |
983 | } | |
984 | } /* rx_complete */ | |
985 | ||
986 | /***************************************************/ | |
987 | /* start the interrupt transfer for the given fifo */ | |
988 | /***************************************************/ | |
989 | static void | |
990 | start_int_fifo(usb_fifo * fifo) | |
991 | { | |
992 | int errcode; | |
993 | ||
994 | printk(KERN_INFO "HFC-S USB: starting intr IN fifo:%d\n", | |
995 | fifo->fifonum); | |
996 | ||
997 | if (!fifo->urb) { | |
998 | fifo->urb = usb_alloc_urb(0, GFP_KERNEL); | |
999 | if (!fifo->urb) | |
1000 | return; | |
1001 | } | |
1002 | usb_fill_int_urb(fifo->urb, fifo->hfc->dev, fifo->pipe, | |
1003 | fifo->buffer, fifo->usb_packet_maxlen, | |
1004 | rx_complete, fifo, fifo->intervall); | |
1005 | fifo->active = 1; /* must be marked active */ | |
1006 | errcode = usb_submit_urb(fifo->urb, GFP_KERNEL); | |
1007 | if (errcode) { | |
1008 | printk(KERN_INFO | |
1009 | "HFC-S USB: submit URB error(start_int_info): status:%i\n", | |
1010 | errcode); | |
1011 | fifo->active = 0; | |
1012 | fifo->skbuff = NULL; | |
1013 | } | |
1014 | } /* start_int_fifo */ | |
1015 | ||
1016 | /*****************************/ | |
1017 | /* set the B-channel mode */ | |
1018 | /*****************************/ | |
1019 | static void | |
1020 | set_hfcmode(hfcusb_data * hfc, int channel, int mode) | |
1021 | { | |
1022 | __u8 val, idx_table[2] = { 0, 2 }; | |
1023 | ||
1024 | if (hfc->disc_flag) { | |
1025 | return; | |
1026 | } | |
1027 | #ifdef CONFIG_HISAX_DEBUG | |
1028 | DBG(ISDN_DBG, "HFC-S USB: setting channel %d to mode %d", channel, | |
1029 | mode); | |
1030 | #endif | |
1031 | hfc->b_mode[channel] = mode; | |
1032 | ||
1033 | /* setup CON_HDLC */ | |
1034 | val = 0; | |
1035 | if (mode != L1_MODE_NULL) | |
1036 | val = 8; /* enable fifo? */ | |
1037 | if (mode == L1_MODE_TRANS) | |
1038 | val |= 2; /* set transparent bit */ | |
1039 | ||
1040 | /* set FIFO to transmit register */ | |
1041 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel], 1); | |
1042 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1043 | /* reset fifo */ | |
1044 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1045 | /* set FIFO to receive register */ | |
1046 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel] + 1, 1); | |
1047 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1048 | /* reset fifo */ | |
1049 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1050 | ||
1051 | val = 0x40; | |
1052 | if (hfc->b_mode[0]) | |
1053 | val |= 1; | |
1054 | if (hfc->b_mode[1]) | |
1055 | val |= 2; | |
1056 | queue_control_request(hfc, HFCUSB_SCTRL, val, 1); | |
1057 | ||
1058 | val = 0; | |
1059 | if (hfc->b_mode[0]) | |
1060 | val |= 1; | |
1061 | if (hfc->b_mode[1]) | |
1062 | val |= 2; | |
1063 | queue_control_request(hfc, HFCUSB_SCTRL_R, val, 1); | |
1064 | ||
1065 | if (mode == L1_MODE_NULL) { | |
1066 | if (channel) | |
1067 | handle_led(hfc, LED_B2_OFF); | |
1068 | else | |
1069 | handle_led(hfc, LED_B1_OFF); | |
1070 | } else { | |
1071 | if (channel) | |
1072 | handle_led(hfc, LED_B2_ON); | |
1073 | else | |
1074 | handle_led(hfc, LED_B1_ON); | |
1075 | } | |
1076 | } | |
1077 | ||
672c3fd9 | 1078 | static void |
1da177e4 LT |
1079 | hfc_usb_l2l1(struct hisax_if *my_hisax_if, int pr, void *arg) |
1080 | { | |
1081 | usb_fifo *fifo = my_hisax_if->priv; | |
1082 | hfcusb_data *hfc = fifo->hfc; | |
1083 | ||
1084 | switch (pr) { | |
1085 | case PH_ACTIVATE | REQUEST: | |
1086 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1087 | #ifdef CONFIG_HISAX_DEBUG | |
1088 | DBG(ISDN_DBG, | |
1089 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_ACTIVATE | REQUEST"); | |
1090 | #endif | |
1091 | if (hfc->l1_state != 3 | |
1092 | && hfc->l1_state != 7) { | |
1093 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
1094 | PH_DEACTIVATE | | |
1095 | INDICATION, | |
1096 | NULL); | |
1097 | #ifdef CONFIG_HISAX_DEBUG | |
1098 | DBG(ISDN_DBG, | |
1099 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (not state 3 or 7)"); | |
1100 | #endif | |
1101 | } else { | |
1102 | if (hfc->l1_state == 7) { /* l1 already active */ | |
1103 | hfc->d_if.ifc.l1l2(&hfc-> | |
1104 | d_if. | |
1105 | ifc, | |
1106 | PH_ACTIVATE | |
1107 | | | |
1108 | INDICATION, | |
1109 | NULL); | |
1110 | #ifdef CONFIG_HISAX_DEBUG | |
1111 | DBG(ISDN_DBG, | |
1112 | "HFC-S USB: PH_ACTIVATE | INDICATION sent again ;)"); | |
1113 | #endif | |
1114 | } else { | |
1115 | /* force sending sending INFO1 */ | |
1116 | queue_control_request(hfc, | |
1117 | HFCUSB_STATES, | |
1118 | 0x14, | |
1119 | 1); | |
1120 | mdelay(1); | |
1121 | /* start l1 activation */ | |
1122 | queue_control_request(hfc, | |
1123 | HFCUSB_STATES, | |
1124 | 0x04, | |
1125 | 1); | |
1126 | if (!timer_pending | |
1127 | (&hfc->t3_timer)) { | |
1128 | hfc->t3_timer. | |
1129 | expires = | |
1130 | jiffies + | |
1131 | (HFC_TIMER_T3 * | |
1132 | HZ) / 1000; | |
1133 | add_timer(&hfc-> | |
1134 | t3_timer); | |
1135 | } | |
1136 | } | |
1137 | } | |
1138 | } else { | |
1139 | #ifdef CONFIG_HISAX_DEBUG | |
1140 | DBG(ISDN_DBG, | |
1141 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_ACTIVATE | REQUEST"); | |
1142 | #endif | |
1143 | set_hfcmode(hfc, | |
1144 | (fifo->fifonum == | |
1145 | HFCUSB_B1_TX) ? 0 : 1, | |
17a4506d | 1146 | (long) arg); |
1da177e4 LT |
1147 | fifo->hif->l1l2(fifo->hif, |
1148 | PH_ACTIVATE | INDICATION, | |
1149 | NULL); | |
1150 | } | |
1151 | break; | |
1152 | case PH_DEACTIVATE | REQUEST: | |
1153 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1154 | #ifdef CONFIG_HISAX_DEBUG | |
1155 | DBG(ISDN_DBG, | |
1156 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_DEACTIVATE | REQUEST"); | |
1157 | #endif | |
1158 | printk(KERN_INFO | |
1159 | "HFC-S USB: ISDN TE device should not deativate...\n"); | |
1160 | } else { | |
1161 | #ifdef CONFIG_HISAX_DEBUG | |
1162 | DBG(ISDN_DBG, | |
1163 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_DEACTIVATE | REQUEST"); | |
1164 | #endif | |
1165 | set_hfcmode(hfc, | |
1166 | (fifo->fifonum == | |
1167 | HFCUSB_B1_TX) ? 0 : 1, | |
1168 | (int) L1_MODE_NULL); | |
1169 | fifo->hif->l1l2(fifo->hif, | |
1170 | PH_DEACTIVATE | INDICATION, | |
1171 | NULL); | |
1172 | } | |
1173 | break; | |
1174 | case PH_DATA | REQUEST: | |
1175 | if (fifo->skbuff && fifo->delete_flg) { | |
1176 | dev_kfree_skb_any(fifo->skbuff); | |
1177 | fifo->skbuff = NULL; | |
a871fe85 | 1178 | fifo->delete_flg = false; |
1da177e4 LT |
1179 | } |
1180 | fifo->skbuff = arg; /* we have a new buffer */ | |
1181 | break; | |
1182 | default: | |
1183 | printk(KERN_INFO | |
1184 | "HFC_USB: hfc_usb_d_l2l1: unkown state : %#x\n", | |
1185 | pr); | |
1186 | break; | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | /***************************************************************************/ | |
1191 | /* usb_init is called once when a new matching device is detected to setup */ | |
1192 | /* main parameters. It registers the driver at the main hisax module. */ | |
1193 | /* on success 0 is returned. */ | |
1194 | /***************************************************************************/ | |
1195 | static int | |
1196 | usb_init(hfcusb_data * hfc) | |
1197 | { | |
1198 | usb_fifo *fifo; | |
1199 | int i, err; | |
1200 | u_char b; | |
1201 | struct hisax_b_if *p_b_if[2]; | |
1202 | ||
1203 | /* check the chip id */ | |
1204 | if (read_usb(hfc, HFCUSB_CHIP_ID, &b) != 1) { | |
1205 | printk(KERN_INFO "HFC-USB: cannot read chip id\n"); | |
1206 | return (1); | |
1207 | } | |
1208 | if (b != HFCUSB_CHIPID) { | |
1209 | printk(KERN_INFO "HFC-S USB: Invalid chip id 0x%02x\n", b); | |
1210 | return (1); | |
1211 | } | |
1212 | ||
1213 | /* first set the needed config, interface and alternate */ | |
1214 | err = usb_set_interface(hfc->dev, hfc->if_used, hfc->alt_used); | |
1215 | ||
1216 | /* do Chip reset */ | |
1217 | write_usb(hfc, HFCUSB_CIRM, 8); | |
1218 | /* aux = output, reset off */ | |
1219 | write_usb(hfc, HFCUSB_CIRM, 0x10); | |
1220 | ||
1221 | /* set USB_SIZE to match the the wMaxPacketSize for INT or BULK transfers */ | |
1222 | write_usb(hfc, HFCUSB_USB_SIZE, | |
1223 | (hfc->packet_size / 8) | ((hfc->packet_size / 8) << 4)); | |
1224 | ||
1225 | /* set USB_SIZE_I to match the the wMaxPacketSize for ISO transfers */ | |
1226 | write_usb(hfc, HFCUSB_USB_SIZE_I, hfc->iso_packet_size); | |
1227 | ||
1228 | /* enable PCM/GCI master mode */ | |
1229 | write_usb(hfc, HFCUSB_MST_MODE1, 0); /* set default values */ | |
1230 | write_usb(hfc, HFCUSB_MST_MODE0, 1); /* enable master mode */ | |
1231 | ||
1232 | /* init the fifos */ | |
1233 | write_usb(hfc, HFCUSB_F_THRES, | |
1234 | (HFCUSB_TX_THRESHOLD / | |
1235 | 8) | ((HFCUSB_RX_THRESHOLD / 8) << 4)); | |
1236 | ||
1237 | fifo = hfc->fifos; | |
1238 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1239 | write_usb(hfc, HFCUSB_FIFO, i); /* select the desired fifo */ | |
1240 | fifo[i].skbuff = NULL; /* init buffer pointer */ | |
1241 | fifo[i].max_size = | |
1242 | (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN; | |
1243 | fifo[i].last_urblen = 0; | |
1244 | /* set 2 bit for D- & E-channel */ | |
1245 | write_usb(hfc, HFCUSB_HDLC_PAR, | |
1246 | ((i <= HFCUSB_B2_RX) ? 0 : 2)); | |
1247 | /* rx hdlc, enable IFF for D-channel */ | |
1248 | write_usb(hfc, HFCUSB_CON_HDLC, | |
1249 | ((i == HFCUSB_D_TX) ? 0x09 : 0x08)); | |
1250 | write_usb(hfc, HFCUSB_INC_RES_F, 2); /* reset the fifo */ | |
1251 | } | |
1252 | ||
1253 | write_usb(hfc, HFCUSB_CLKDEL, 0x0f); /* clock delay value */ | |
1254 | write_usb(hfc, HFCUSB_STATES, 3 | 0x10); /* set deactivated mode */ | |
1255 | write_usb(hfc, HFCUSB_STATES, 3); /* enable state machine */ | |
1256 | ||
1257 | write_usb(hfc, HFCUSB_SCTRL_R, 0); /* disable both B receivers */ | |
1258 | write_usb(hfc, HFCUSB_SCTRL, 0x40); /* disable B transmitters + capacitive mode */ | |
1259 | ||
1260 | /* set both B-channel to not connected */ | |
1261 | hfc->b_mode[0] = L1_MODE_NULL; | |
1262 | hfc->b_mode[1] = L1_MODE_NULL; | |
1263 | ||
a871fe85 RK |
1264 | hfc->l1_activated = false; |
1265 | hfc->disc_flag = false; | |
1da177e4 LT |
1266 | hfc->led_state = 0; |
1267 | hfc->led_new_data = 0; | |
1268 | hfc->old_led_state = 0; | |
1269 | ||
1270 | /* init the t3 timer */ | |
1271 | init_timer(&hfc->t3_timer); | |
1272 | hfc->t3_timer.data = (long) hfc; | |
1273 | hfc->t3_timer.function = (void *) l1_timer_expire_t3; | |
1274 | ||
1275 | /* init the t4 timer */ | |
1276 | init_timer(&hfc->t4_timer); | |
1277 | hfc->t4_timer.data = (long) hfc; | |
1278 | hfc->t4_timer.function = (void *) l1_timer_expire_t4; | |
1279 | ||
1da177e4 LT |
1280 | /* init the background machinery for control requests */ |
1281 | hfc->ctrl_read.bRequestType = 0xc0; | |
1282 | hfc->ctrl_read.bRequest = 1; | |
b05121b2 | 1283 | hfc->ctrl_read.wLength = cpu_to_le16(1); |
1da177e4 LT |
1284 | hfc->ctrl_write.bRequestType = 0x40; |
1285 | hfc->ctrl_write.bRequest = 0; | |
1286 | hfc->ctrl_write.wLength = 0; | |
1287 | usb_fill_control_urb(hfc->ctrl_urb, | |
1288 | hfc->dev, | |
1289 | hfc->ctrl_out_pipe, | |
1290 | (u_char *) & hfc->ctrl_write, | |
1291 | NULL, 0, ctrl_complete, hfc); | |
1292 | /* Init All Fifos */ | |
1293 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1294 | hfc->fifos[i].iso[0].purb = NULL; | |
1295 | hfc->fifos[i].iso[1].purb = NULL; | |
1296 | hfc->fifos[i].active = 0; | |
1297 | } | |
1298 | /* register Modul to upper Hisax Layers */ | |
1299 | hfc->d_if.owner = THIS_MODULE; | |
1300 | hfc->d_if.ifc.priv = &hfc->fifos[HFCUSB_D_TX]; | |
1301 | hfc->d_if.ifc.l2l1 = hfc_usb_l2l1; | |
1302 | for (i = 0; i < 2; i++) { | |
1303 | hfc->b_if[i].ifc.priv = &hfc->fifos[HFCUSB_B1_TX + i * 2]; | |
1304 | hfc->b_if[i].ifc.l2l1 = hfc_usb_l2l1; | |
1305 | p_b_if[i] = &hfc->b_if[i]; | |
1306 | } | |
1307 | /* default Prot: EURO ISDN, should be a module_param */ | |
1308 | hfc->protocol = 2; | |
1309 | hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); | |
1310 | ||
1311 | #ifdef CONFIG_HISAX_DEBUG | |
1312 | hfc_debug = debug; | |
1313 | #endif | |
1314 | ||
1315 | for (i = 0; i < 4; i++) | |
1316 | hfc->fifos[i].hif = &p_b_if[i / 2]->ifc; | |
1317 | for (i = 4; i < 8; i++) | |
1318 | hfc->fifos[i].hif = &hfc->d_if.ifc; | |
1319 | ||
1320 | /* 3 (+1) INT IN + 3 ISO OUT */ | |
1321 | if (hfc->cfg_used == CNF_3INT3ISO || hfc->cfg_used == CNF_4INT3ISO) { | |
1322 | start_int_fifo(hfc->fifos + HFCUSB_D_RX); | |
1323 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1324 | start_int_fifo(hfc->fifos + HFCUSB_PCM_RX); | |
1325 | start_int_fifo(hfc->fifos + HFCUSB_B1_RX); | |
1326 | start_int_fifo(hfc->fifos + HFCUSB_B2_RX); | |
1327 | } | |
1328 | /* 3 (+1) ISO IN + 3 ISO OUT */ | |
1329 | if (hfc->cfg_used == CNF_3ISO3ISO || hfc->cfg_used == CNF_4ISO3ISO) { | |
1330 | start_isoc_chain(hfc->fifos + HFCUSB_D_RX, ISOC_PACKETS_D, | |
1331 | rx_iso_complete, 16); | |
1332 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1333 | start_isoc_chain(hfc->fifos + HFCUSB_PCM_RX, | |
1334 | ISOC_PACKETS_D, rx_iso_complete, | |
1335 | 16); | |
1336 | start_isoc_chain(hfc->fifos + HFCUSB_B1_RX, ISOC_PACKETS_B, | |
1337 | rx_iso_complete, 16); | |
1338 | start_isoc_chain(hfc->fifos + HFCUSB_B2_RX, ISOC_PACKETS_B, | |
1339 | rx_iso_complete, 16); | |
1340 | } | |
1341 | ||
1342 | start_isoc_chain(hfc->fifos + HFCUSB_D_TX, ISOC_PACKETS_D, | |
1343 | tx_iso_complete, 1); | |
1344 | start_isoc_chain(hfc->fifos + HFCUSB_B1_TX, ISOC_PACKETS_B, | |
1345 | tx_iso_complete, 1); | |
1346 | start_isoc_chain(hfc->fifos + HFCUSB_B2_TX, ISOC_PACKETS_B, | |
1347 | tx_iso_complete, 1); | |
1348 | ||
1349 | handle_led(hfc, LED_POWER_ON); | |
1350 | ||
1351 | return (0); | |
1352 | } /* usb_init */ | |
1353 | ||
1354 | /*************************************************/ | |
1355 | /* function called to probe a new plugged device */ | |
1356 | /*************************************************/ | |
1357 | static int | |
1358 | hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1359 | { | |
1360 | struct usb_device *dev = interface_to_usbdev(intf); | |
1361 | hfcusb_data *context; | |
1362 | struct usb_host_interface *iface = intf->cur_altsetting; | |
1363 | struct usb_host_interface *iface_used = NULL; | |
1364 | struct usb_host_endpoint *ep; | |
1365 | int ifnum = iface->desc.bInterfaceNumber; | |
1366 | int i, idx, alt_idx, probe_alt_setting, vend_idx, cfg_used, *vcf, | |
1367 | attr, cfg_found, cidx, ep_addr; | |
1368 | int cmptbl[16], small_match, iso_packet_size, packet_size, | |
1369 | alt_used = 0; | |
597a107b | 1370 | hfcsusb_vdata *driver_info; |
1da177e4 LT |
1371 | |
1372 | vend_idx = 0xffff; | |
597a107b | 1373 | for (i = 0; hfcusb_idtab[i].idVendor; i++) { |
b05121b2 KK |
1374 | if ((le16_to_cpu(dev->descriptor.idVendor) == hfcusb_idtab[i].idVendor) |
1375 | && (le16_to_cpu(dev->descriptor.idProduct) == hfcusb_idtab[i].idProduct)) { | |
1da177e4 | 1376 | vend_idx = i; |
597a107b MB |
1377 | continue; |
1378 | } | |
1da177e4 | 1379 | } |
597a107b | 1380 | |
1da177e4 LT |
1381 | #ifdef CONFIG_HISAX_DEBUG |
1382 | DBG(USB_DBG, | |
1383 | "HFC-USB: probing interface(%d) actalt(%d) minor(%d)\n", ifnum, | |
1384 | iface->desc.bAlternateSetting, intf->minor); | |
1385 | #endif | |
1386 | printk(KERN_INFO | |
1387 | "HFC-S USB: probing interface(%d) actalt(%d) minor(%d)\n", | |
1388 | ifnum, iface->desc.bAlternateSetting, intf->minor); | |
1389 | ||
1390 | if (vend_idx != 0xffff) { | |
1da177e4 LT |
1391 | /* if vendor and product ID is OK, start probing alternate settings */ |
1392 | alt_idx = 0; | |
1393 | small_match = 0xffff; | |
1394 | ||
1395 | /* default settings */ | |
1396 | iso_packet_size = 16; | |
1397 | packet_size = 64; | |
1398 | ||
1399 | while (alt_idx < intf->num_altsetting) { | |
1400 | iface = intf->altsetting + alt_idx; | |
1401 | probe_alt_setting = iface->desc.bAlternateSetting; | |
1402 | cfg_used = 0; | |
1403 | ||
1404 | /* check for config EOL element */ | |
1405 | while (validconf[cfg_used][0]) { | |
a871fe85 | 1406 | cfg_found = true; |
1da177e4 LT |
1407 | vcf = validconf[cfg_used]; |
1408 | /* first endpoint descriptor */ | |
1409 | ep = iface->endpoint; | |
1410 | #ifdef CONFIG_HISAX_DEBUG | |
1411 | DBG(USB_DBG, | |
1412 | "HFC-S USB: (if=%d alt=%d cfg_used=%d)\n", | |
1413 | ifnum, probe_alt_setting, cfg_used); | |
1414 | #endif | |
1415 | memcpy(cmptbl, vcf, 16 * sizeof(int)); | |
1416 | ||
1417 | /* check for all endpoints in this alternate setting */ | |
1418 | for (i = 0; i < iface->desc.bNumEndpoints; | |
1419 | i++) { | |
1420 | ep_addr = | |
1421 | ep->desc.bEndpointAddress; | |
1422 | /* get endpoint base */ | |
1423 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1424 | if (ep_addr & 0x80) | |
1425 | idx++; | |
1426 | attr = ep->desc.bmAttributes; | |
1427 | if (cmptbl[idx] == EP_NUL) { | |
a871fe85 | 1428 | cfg_found = false; |
1da177e4 LT |
1429 | } |
1430 | if (attr == USB_ENDPOINT_XFER_INT | |
1431 | && cmptbl[idx] == EP_INT) | |
1432 | cmptbl[idx] = EP_NUL; | |
1433 | if (attr == USB_ENDPOINT_XFER_BULK | |
1434 | && cmptbl[idx] == EP_BLK) | |
1435 | cmptbl[idx] = EP_NUL; | |
1436 | if (attr == USB_ENDPOINT_XFER_ISOC | |
1437 | && cmptbl[idx] == EP_ISO) | |
1438 | cmptbl[idx] = EP_NUL; | |
1439 | ||
1440 | /* check if all INT endpoints match minimum interval */ | |
1441 | if (attr == USB_ENDPOINT_XFER_INT | |
1442 | && ep->desc.bInterval < | |
1443 | vcf[17]) { | |
1444 | #ifdef CONFIG_HISAX_DEBUG | |
1445 | if (cfg_found) | |
1446 | DBG(USB_DBG, | |
1447 | "HFC-S USB: Interrupt Endpoint interval < %d found - skipping config", | |
1448 | vcf[17]); | |
1449 | #endif | |
a871fe85 | 1450 | cfg_found = false; |
1da177e4 LT |
1451 | } |
1452 | ep++; | |
1453 | } | |
1454 | for (i = 0; i < 16; i++) { | |
1455 | /* all entries must be EP_NOP or EP_NUL for a valid config */ | |
1456 | if (cmptbl[i] != EP_NOP | |
1457 | && cmptbl[i] != EP_NUL) | |
a871fe85 | 1458 | cfg_found = false; |
1da177e4 LT |
1459 | } |
1460 | if (cfg_found) { | |
1461 | if (cfg_used < small_match) { | |
1462 | small_match = cfg_used; | |
1463 | alt_used = | |
1464 | probe_alt_setting; | |
1465 | iface_used = iface; | |
1466 | } | |
1467 | #ifdef CONFIG_HISAX_DEBUG | |
1468 | DBG(USB_DBG, | |
1469 | "HFC-USB: small_match=%x %x\n", | |
1470 | small_match, alt_used); | |
1471 | #endif | |
1472 | } | |
1473 | cfg_used++; | |
1474 | } | |
1475 | alt_idx++; | |
1476 | } /* (alt_idx < intf->num_altsetting) */ | |
1477 | ||
1478 | /* found a valid USB Ta Endpint config */ | |
1479 | if (small_match != 0xffff) { | |
1480 | iface = iface_used; | |
1481 | if (! | |
1482 | (context = | |
41f96935 | 1483 | kzalloc(sizeof(hfcusb_data), GFP_KERNEL))) |
1da177e4 | 1484 | return (-ENOMEM); /* got no mem */ |
1da177e4 LT |
1485 | |
1486 | ep = iface->endpoint; | |
1487 | vcf = validconf[small_match]; | |
1488 | ||
1489 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { | |
1490 | ep_addr = ep->desc.bEndpointAddress; | |
1491 | /* get endpoint base */ | |
1492 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1493 | if (ep_addr & 0x80) | |
1494 | idx++; | |
1495 | cidx = idx & 7; | |
1496 | attr = ep->desc.bmAttributes; | |
1497 | ||
1498 | /* init Endpoints */ | |
1499 | if (vcf[idx] != EP_NOP | |
1500 | && vcf[idx] != EP_NUL) { | |
1501 | switch (attr) { | |
1502 | case USB_ENDPOINT_XFER_INT: | |
1503 | context-> | |
1504 | fifos[cidx]. | |
1505 | pipe = | |
1506 | usb_rcvintpipe | |
1507 | (dev, | |
1508 | ep->desc. | |
1509 | bEndpointAddress); | |
1510 | context-> | |
1511 | fifos[cidx]. | |
1512 | usb_transfer_mode | |
1513 | = USB_INT; | |
1514 | packet_size = | |
b05121b2 | 1515 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1516 | break; |
1517 | case USB_ENDPOINT_XFER_BULK: | |
1518 | if (ep_addr & 0x80) | |
1519 | context-> | |
1520 | fifos | |
1521 | [cidx]. | |
1522 | pipe = | |
1523 | usb_rcvbulkpipe | |
1524 | (dev, | |
1525 | ep-> | |
1526 | desc. | |
1527 | bEndpointAddress); | |
1528 | else | |
1529 | context-> | |
1530 | fifos | |
1531 | [cidx]. | |
1532 | pipe = | |
1533 | usb_sndbulkpipe | |
1534 | (dev, | |
1535 | ep-> | |
1536 | desc. | |
1537 | bEndpointAddress); | |
1538 | context-> | |
1539 | fifos[cidx]. | |
1540 | usb_transfer_mode | |
1541 | = USB_BULK; | |
1542 | packet_size = | |
b05121b2 | 1543 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1544 | break; |
1545 | case USB_ENDPOINT_XFER_ISOC: | |
1546 | if (ep_addr & 0x80) | |
1547 | context-> | |
1548 | fifos | |
1549 | [cidx]. | |
1550 | pipe = | |
1551 | usb_rcvisocpipe | |
1552 | (dev, | |
1553 | ep-> | |
1554 | desc. | |
1555 | bEndpointAddress); | |
1556 | else | |
1557 | context-> | |
1558 | fifos | |
1559 | [cidx]. | |
1560 | pipe = | |
1561 | usb_sndisocpipe | |
1562 | (dev, | |
1563 | ep-> | |
1564 | desc. | |
1565 | bEndpointAddress); | |
1566 | context-> | |
1567 | fifos[cidx]. | |
1568 | usb_transfer_mode | |
1569 | = USB_ISOC; | |
1570 | iso_packet_size = | |
b05121b2 | 1571 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1572 | break; |
1573 | default: | |
1574 | context-> | |
1575 | fifos[cidx]. | |
1576 | pipe = 0; | |
1577 | } /* switch attribute */ | |
1578 | ||
1579 | if (context->fifos[cidx].pipe) { | |
1580 | context->fifos[cidx]. | |
1581 | fifonum = cidx; | |
1582 | context->fifos[cidx].hfc = | |
1583 | context; | |
b05121b2 KK |
1584 | context->fifos[cidx].usb_packet_maxlen = |
1585 | le16_to_cpu(ep->desc.wMaxPacketSize); | |
1da177e4 LT |
1586 | context->fifos[cidx]. |
1587 | intervall = | |
1588 | ep->desc.bInterval; | |
1589 | context->fifos[cidx]. | |
1590 | skbuff = NULL; | |
1591 | } | |
1592 | } | |
1593 | ep++; | |
1594 | } | |
1595 | context->dev = dev; /* save device */ | |
1596 | context->if_used = ifnum; /* save used interface */ | |
1597 | context->alt_used = alt_used; /* and alternate config */ | |
1598 | context->ctrl_paksize = dev->descriptor.bMaxPacketSize0; /* control size */ | |
1599 | context->cfg_used = vcf[16]; /* store used config */ | |
1600 | context->vend_idx = vend_idx; /* store found vendor */ | |
1601 | context->packet_size = packet_size; | |
1602 | context->iso_packet_size = iso_packet_size; | |
1603 | ||
1604 | /* create the control pipes needed for register access */ | |
1605 | context->ctrl_in_pipe = | |
1606 | usb_rcvctrlpipe(context->dev, 0); | |
1607 | context->ctrl_out_pipe = | |
1608 | usb_sndctrlpipe(context->dev, 0); | |
1609 | context->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1610 | ||
597a107b MB |
1611 | driver_info = |
1612 | (hfcsusb_vdata *) hfcusb_idtab[vend_idx]. | |
1613 | driver_info; | |
1614 | printk(KERN_INFO "HFC-S USB: detected \"%s\"\n", | |
1615 | driver_info->vend_name); | |
1da177e4 LT |
1616 | #ifdef CONFIG_HISAX_DEBUG |
1617 | DBG(USB_DBG, | |
1618 | "HFC-S USB: Endpoint-Config: %s (if=%d alt=%d)\n", | |
1619 | conf_str[small_match], context->if_used, | |
1620 | context->alt_used); | |
1621 | printk(KERN_INFO | |
1622 | "HFC-S USB: E-channel (\"ECHO:\") logging "); | |
1623 | if (validconf[small_match][18]) | |
1624 | printk(" possible\n"); | |
1625 | else | |
1626 | printk("NOT possible\n"); | |
1627 | #endif | |
1628 | /* init the chip and register the driver */ | |
1629 | if (usb_init(context)) { | |
1630 | if (context->ctrl_urb) { | |
1631 | usb_unlink_urb(context->ctrl_urb); | |
1632 | usb_free_urb(context->ctrl_urb); | |
1633 | context->ctrl_urb = NULL; | |
1634 | } | |
1635 | kfree(context); | |
1636 | return (-EIO); | |
1637 | } | |
1638 | usb_set_intfdata(intf, context); | |
1639 | return (0); | |
1640 | } | |
1641 | } else { | |
1642 | printk(KERN_INFO | |
1643 | "HFC-S USB: no valid vendor found in USB descriptor\n"); | |
1644 | } | |
1645 | return (-EIO); | |
1646 | } | |
1647 | ||
1648 | /****************************************************/ | |
1649 | /* function called when an active device is removed */ | |
1650 | /****************************************************/ | |
1651 | static void | |
1652 | hfc_usb_disconnect(struct usb_interface | |
1653 | *intf) | |
1654 | { | |
1655 | hfcusb_data *context = usb_get_intfdata(intf); | |
1656 | int i; | |
1657 | printk(KERN_INFO "HFC-S USB: device disconnect\n"); | |
a871fe85 | 1658 | context->disc_flag = true; |
1da177e4 LT |
1659 | usb_set_intfdata(intf, NULL); |
1660 | if (!context) | |
1661 | return; | |
1662 | if (timer_pending(&context->t3_timer)) | |
1663 | del_timer(&context->t3_timer); | |
1664 | if (timer_pending(&context->t4_timer)) | |
1665 | del_timer(&context->t4_timer); | |
1da177e4 LT |
1666 | /* tell all fifos to terminate */ |
1667 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1668 | if (context->fifos[i].usb_transfer_mode == USB_ISOC) { | |
1669 | if (context->fifos[i].active > 0) { | |
1670 | stop_isoc_chain(&context->fifos[i]); | |
1671 | #ifdef CONFIG_HISAX_DEBUG | |
1672 | DBG(USB_DBG, | |
1673 | "HFC-S USB: hfc_usb_disconnect: stopping ISOC chain Fifo no %i", | |
1674 | i); | |
1675 | #endif | |
1676 | } | |
1677 | } else { | |
1678 | if (context->fifos[i].active > 0) { | |
1679 | context->fifos[i].active = 0; | |
1680 | #ifdef CONFIG_HISAX_DEBUG | |
1681 | DBG(USB_DBG, | |
1682 | "HFC-S USB: hfc_usb_disconnect: unlinking URB for Fifo no %i", | |
1683 | i); | |
1684 | #endif | |
1685 | } | |
1686 | if (context->fifos[i].urb) { | |
1687 | usb_unlink_urb(context->fifos[i].urb); | |
1688 | usb_free_urb(context->fifos[i].urb); | |
1689 | context->fifos[i].urb = NULL; | |
1690 | } | |
1691 | } | |
1692 | context->fifos[i].active = 0; | |
1693 | } | |
1694 | /* wait for all URBS to terminate */ | |
1695 | mdelay(10); | |
1696 | if (context->ctrl_urb) { | |
1697 | usb_unlink_urb(context->ctrl_urb); | |
1698 | usb_free_urb(context->ctrl_urb); | |
1699 | context->ctrl_urb = NULL; | |
1700 | } | |
1701 | hisax_unregister(&context->d_if); | |
1702 | kfree(context); /* free our structure again */ | |
1703 | } /* hfc_usb_disconnect */ | |
1704 | ||
1705 | /************************************/ | |
1706 | /* our driver information structure */ | |
1707 | /************************************/ | |
1708 | static struct usb_driver hfc_drv = { | |
597a107b MB |
1709 | .name = "hfc_usb", |
1710 | .id_table = hfcusb_idtab, | |
1711 | .probe = hfc_usb_probe, | |
1712 | .disconnect = hfc_usb_disconnect, | |
1da177e4 LT |
1713 | }; |
1714 | static void __exit | |
1715 | hfc_usb_exit(void) | |
1716 | { | |
1717 | #ifdef CONFIG_HISAX_DEBUG | |
1718 | DBG(USB_DBG, "HFC-S USB: calling \"hfc_usb_exit\" ..."); | |
1719 | #endif | |
1720 | usb_deregister(&hfc_drv); /* release our driver */ | |
1721 | printk(KERN_INFO "HFC-S USB: module removed\n"); | |
1722 | } | |
1723 | ||
1724 | static int __init | |
1725 | hfc_usb_init(void) | |
1726 | { | |
1727 | #ifndef CONFIG_HISAX_DEBUG | |
1728 | unsigned int debug = -1; | |
1729 | #endif | |
1730 | char revstr[30], datestr[30], dummy[30]; | |
1731 | sscanf(hfcusb_revision, | |
1732 | "%s %s $ %s %s %s $ ", dummy, revstr, | |
1733 | dummy, datestr, dummy); | |
1734 | printk(KERN_INFO | |
1735 | "HFC-S USB: driver module revision %s date %s loaded, (debug=%i)\n", | |
1736 | revstr, datestr, debug); | |
1737 | if (usb_register(&hfc_drv)) { | |
1738 | printk(KERN_INFO | |
1739 | "HFC-S USB: Unable to register HFC-S USB module at usb stack\n"); | |
1740 | return (-1); /* unable to register */ | |
1741 | } | |
1742 | return (0); | |
1743 | } | |
1744 | ||
1745 | module_init(hfc_usb_init); | |
1746 | module_exit(hfc_usb_exit); | |
1747 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1748 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1749 | MODULE_LICENSE("GPL"); | |
597a107b | 1750 | MODULE_DEVICE_TABLE(usb, hfcusb_idtab); |