]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * hfc_usb.c | |
3 | * | |
4 | * $Id: hfc_usb.c,v 4.34 2005/01/26 17:25:53 martinb1 Exp $ | |
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> | |
35 | #include <linux/config.h> | |
36 | #include <linux/init.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/kernel_stat.h> | |
39 | #include <linux/usb.h> | |
40 | #include <linux/kernel.h> | |
41 | #include <linux/smp_lock.h> | |
42 | #include <linux/sched.h> | |
43 | #include "hisax.h" | |
44 | #include "hisax_if.h" | |
45 | #include "hfc_usb.h" | |
46 | ||
47 | /* | |
48 | * Version Information | |
49 | * (do not modify the CVS Makros $Revision: 4.34 $ and $Date: 2005/01/26 17:25:53 $ !) | |
50 | */ | |
51 | static const char *hfcusb_revision = | |
52 | "Revision: 4.34 $ Date: 2005/01/26 17:25:53 $ "; | |
53 | ||
54 | /* Hisax debug support | |
55 | * use "modprobe debug=x" where x is bitfield of USB_DBG & ISDN_DBG | |
56 | */ | |
57 | #ifdef CONFIG_HISAX_DEBUG | |
58 | #include <linux/moduleparam.h> | |
59 | #define __debug_variable hfc_debug | |
60 | #include "hisax_debug.h" | |
61 | static u_int debug; | |
62 | module_param(debug, uint, 0); | |
63 | int hfc_debug; | |
64 | #endif | |
65 | ||
66 | ||
67 | /****************************************/ | |
68 | /* data defining the devices to be used */ | |
69 | /****************************************/ | |
70 | static struct usb_device_id hfc_usb_idtab[] = { | |
71 | {USB_DEVICE(0x0959, 0x2bd0)}, /* Colognechip USB eval TA */ | |
72 | {USB_DEVICE(0x0675, 0x1688)}, /* DrayTek miniVigor 128 USB ISDN TA */ | |
73 | {USB_DEVICE(0x07b0, 0x0007)}, /* Billion USB TA 2 */ | |
74 | {USB_DEVICE(0x0742, 0x2008)}, /* Stollmann USB TA */ | |
75 | {USB_DEVICE(0x0742, 0x2009)}, /* Aceex USB ISDN TA */ | |
76 | {USB_DEVICE(0x0742, 0x200A)}, /* OEM USB ISDN TA */ | |
77 | {USB_DEVICE(0x08e3, 0x0301)}, /* OliTec ISDN USB */ | |
78 | {USB_DEVICE(0x07fa, 0x0846)}, /* Bewan ISDN USB TA */ | |
79 | {USB_DEVICE(0x07fa, 0x0847)}, /* Djinn Numeris USB */ | |
80 | {USB_DEVICE(0x07b0, 0x0006)}, /* Twister ISDN USB TA */ | |
81 | {} /* end with an all-zeroes entry */ | |
82 | }; | |
83 | ||
84 | /* driver internal device specific data: | |
85 | * VendorID, ProductID, Devicename, LED_SCHEME, | |
86 | * LED's BitMask in HFCUSB_P_DATA Register : LED_USB, LED_S0, LED_B1, LED_B2 | |
87 | */ | |
88 | vendor_data vdata[] = { | |
89 | /* CologneChip Eval TA */ | |
90 | {0x0959, 0x2bd0, "ISDN USB TA (Cologne Chip HFC-S USB based)", | |
91 | LED_OFF, {4, 0, 2, 1} | |
92 | } | |
93 | , | |
94 | /* DrayTek miniVigor 128 USB ISDN TA */ | |
95 | {0x0675, 0x1688, "DrayTek miniVigor 128 USB ISDN TA", | |
96 | LED_SCHEME1, {1, 2, 0, 0} | |
97 | } | |
98 | , | |
99 | /* Billion TA */ | |
100 | {0x07b0, 0x0007, "Billion tiny USB ISDN TA 128", | |
101 | LED_SCHEME1, {0x80, -64, -32, -16} | |
102 | } | |
103 | , | |
104 | /* Stollmann TA */ | |
105 | {0x0742, 0x2008, "Stollmann USB TA", | |
106 | LED_SCHEME1, {4, 0, 2, 1} | |
107 | } | |
108 | , | |
109 | /* Aceex USB ISDN TA */ | |
110 | {0x0742, 0x2009, "Aceex USB ISDN TA", | |
111 | LED_SCHEME1, {4, 0, 2, 1} | |
112 | } | |
113 | , | |
114 | /* OEM USB ISDN TA */ | |
115 | {0x0742, 0x200A, "OEM USB ISDN TA", | |
116 | LED_SCHEME1, {4, 0, 2, 1} | |
117 | } | |
118 | , | |
119 | /* Olitec TA */ | |
120 | {0x08e3, 0x0301, "Olitec USB RNIS", | |
121 | LED_SCHEME1, {2, 0, 1, 4} | |
122 | } | |
123 | , | |
124 | /* Bewan TA */ | |
125 | {0x07fa, 0x0846, "Bewan Modem RNIS USB", | |
126 | LED_SCHEME1, {0x80, -64, -32, -16} | |
127 | } | |
128 | , | |
129 | /* Bewan TA */ | |
130 | {0x07fa, 0x0847, "Djinn Numeris USB", | |
131 | LED_SCHEME1, {0x80, -64, -32, -16} | |
132 | } | |
133 | , | |
134 | /* Twister ISDN TA */ | |
135 | {0x07b0, 0x0006, "Twister ISDN TA", | |
136 | LED_SCHEME1, {0x80, -64, -32, -16} | |
137 | } | |
138 | , | |
139 | {0, 0, 0} /* EOL element */ | |
140 | }; | |
141 | ||
142 | /***************************************************************/ | |
143 | /* structure defining input+output fifos (interrupt/bulk mode) */ | |
144 | /***************************************************************/ | |
145 | struct usb_fifo; /* forward definition */ | |
146 | typedef struct iso_urb_struct { | |
147 | struct urb *purb; | |
148 | __u8 buffer[ISO_BUFFER_SIZE]; /* buffer incoming/outgoing data */ | |
149 | struct usb_fifo *owner_fifo; /* pointer to owner fifo */ | |
150 | } iso_urb_struct; | |
151 | ||
152 | ||
153 | struct hfcusb_data; /* forward definition */ | |
154 | typedef struct usb_fifo { | |
155 | int fifonum; /* fifo index attached to this structure */ | |
156 | int active; /* fifo is currently active */ | |
157 | struct hfcusb_data *hfc; /* pointer to main structure */ | |
158 | int pipe; /* address of endpoint */ | |
159 | __u8 usb_packet_maxlen; /* maximum length for usb transfer */ | |
160 | unsigned int max_size; /* maximum size of receive/send packet */ | |
161 | __u8 intervall; /* interrupt interval */ | |
162 | struct sk_buff *skbuff; /* actual used buffer */ | |
163 | struct urb *urb; /* transfer structure for usb routines */ | |
164 | __u8 buffer[128]; /* buffer incoming/outgoing data */ | |
165 | int bit_line; /* how much bits are in the fifo? */ | |
166 | ||
167 | volatile __u8 usb_transfer_mode; /* switched between ISO and INT */ | |
168 | iso_urb_struct iso[2]; /* need two urbs to have one always for pending */ | |
169 | struct hisax_if *hif; /* hisax interface */ | |
170 | int delete_flg; /* only delete skbuff once */ | |
171 | int last_urblen; /* remember length of last packet */ | |
172 | ||
173 | } usb_fifo; | |
174 | ||
175 | /*********************************************/ | |
176 | /* structure holding all data for one device */ | |
177 | /*********************************************/ | |
178 | typedef struct hfcusb_data { | |
179 | /* HiSax Interface for loadable Layer1 drivers */ | |
180 | struct hisax_d_if d_if; /* see hisax_if.h */ | |
181 | struct hisax_b_if b_if[2]; /* see hisax_if.h */ | |
182 | int protocol; | |
183 | ||
184 | struct usb_device *dev; /* our device */ | |
185 | int if_used; /* used interface number */ | |
186 | int alt_used; /* used alternate config */ | |
187 | int ctrl_paksize; /* control pipe packet size */ | |
188 | int ctrl_in_pipe, ctrl_out_pipe; /* handles for control pipe */ | |
189 | int cfg_used; /* configuration index used */ | |
190 | int vend_idx; /* vendor found */ | |
191 | int b_mode[2]; /* B-channel mode */ | |
192 | int l1_activated; /* layer 1 activated */ | |
193 | int disc_flag; /* TRUE if device was disonnected to avoid some USB actions */ | |
194 | int packet_size, iso_packet_size; | |
195 | ||
196 | /* control pipe background handling */ | |
197 | ctrl_buft ctrl_buff[HFC_CTRL_BUFSIZE]; /* buffer holding queued data */ | |
198 | volatile int ctrl_in_idx, ctrl_out_idx, ctrl_cnt; /* input/output pointer + count */ | |
199 | struct urb *ctrl_urb; /* transfer structure for control channel */ | |
200 | ||
201 | struct usb_ctrlrequest ctrl_write; /* buffer for control write request */ | |
202 | struct usb_ctrlrequest ctrl_read; /* same for read request */ | |
203 | ||
204 | __u8 old_led_state, led_state, led_new_data, led_b_active; | |
205 | ||
206 | volatile __u8 threshold_mask; /* threshold actually reported */ | |
207 | volatile __u8 bch_enables; /* or mask for sctrl_r and sctrl register values */ | |
208 | ||
209 | usb_fifo fifos[HFCUSB_NUM_FIFOS]; /* structure holding all fifo data */ | |
210 | ||
211 | volatile __u8 l1_state; /* actual l1 state */ | |
212 | struct timer_list t3_timer; /* timer 3 for activation/deactivation */ | |
213 | struct timer_list t4_timer; /* timer 4 for activation/deactivation */ | |
214 | struct timer_list led_timer; /* timer flashing leds */ | |
215 | ||
216 | } hfcusb_data; | |
217 | ||
218 | ||
219 | static void collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, | |
220 | int finish); | |
221 | ||
222 | ||
223 | static inline const char * | |
224 | symbolic(struct hfcusb_symbolic_list list[], const int num) | |
225 | { | |
226 | int i; | |
227 | for (i = 0; list[i].name != NULL; i++) | |
228 | if (list[i].num == num) | |
229 | return (list[i].name); | |
230 | return "<unkown>"; | |
231 | } | |
232 | ||
233 | ||
234 | /******************************************************/ | |
235 | /* start next background transfer for control channel */ | |
236 | /******************************************************/ | |
237 | static void | |
238 | ctrl_start_transfer(hfcusb_data * hfc) | |
239 | { | |
240 | if (hfc->ctrl_cnt) { | |
241 | hfc->ctrl_urb->pipe = hfc->ctrl_out_pipe; | |
242 | hfc->ctrl_urb->setup_packet = (u_char *) & hfc->ctrl_write; | |
243 | hfc->ctrl_urb->transfer_buffer = NULL; | |
244 | hfc->ctrl_urb->transfer_buffer_length = 0; | |
245 | hfc->ctrl_write.wIndex = | |
246 | hfc->ctrl_buff[hfc->ctrl_out_idx].hfc_reg; | |
247 | hfc->ctrl_write.wValue = | |
248 | hfc->ctrl_buff[hfc->ctrl_out_idx].reg_val; | |
249 | ||
250 | usb_submit_urb(hfc->ctrl_urb, GFP_ATOMIC); /* start transfer */ | |
251 | } | |
252 | } /* ctrl_start_transfer */ | |
253 | ||
254 | /************************************/ | |
255 | /* queue a control transfer request */ | |
256 | /* return 0 on success. */ | |
257 | /************************************/ | |
258 | static int | |
259 | queue_control_request(hfcusb_data * hfc, __u8 reg, __u8 val, int action) | |
260 | { | |
261 | ctrl_buft *buf; | |
262 | ||
263 | if (hfc->ctrl_cnt >= HFC_CTRL_BUFSIZE) | |
264 | return (1); /* no space left */ | |
265 | buf = &hfc->ctrl_buff[hfc->ctrl_in_idx]; /* pointer to new index */ | |
266 | buf->hfc_reg = reg; | |
267 | buf->reg_val = val; | |
268 | buf->action = action; | |
269 | if (++hfc->ctrl_in_idx >= HFC_CTRL_BUFSIZE) | |
270 | hfc->ctrl_in_idx = 0; /* pointer wrap */ | |
271 | if (++hfc->ctrl_cnt == 1) | |
272 | ctrl_start_transfer(hfc); | |
273 | return (0); | |
274 | } /* queue_control_request */ | |
275 | ||
276 | static int | |
277 | control_action_handler(hfcusb_data * hfc, int reg, int val, int action) | |
278 | { | |
279 | if (!action) | |
280 | return (1); /* no action defined */ | |
281 | return (0); | |
282 | } | |
283 | ||
284 | /***************************************************************/ | |
285 | /* control completion routine handling background control cmds */ | |
286 | /***************************************************************/ | |
287 | static void | |
288 | ctrl_complete(struct urb *urb, struct pt_regs *regs) | |
289 | { | |
290 | hfcusb_data *hfc = (hfcusb_data *) urb->context; | |
291 | ctrl_buft *buf; | |
292 | ||
293 | urb->dev = hfc->dev; | |
294 | if (hfc->ctrl_cnt) { | |
295 | buf = &hfc->ctrl_buff[hfc->ctrl_out_idx]; | |
296 | control_action_handler(hfc, buf->hfc_reg, buf->reg_val, | |
297 | buf->action); | |
298 | ||
299 | hfc->ctrl_cnt--; /* decrement actual count */ | |
300 | if (++hfc->ctrl_out_idx >= HFC_CTRL_BUFSIZE) | |
301 | hfc->ctrl_out_idx = 0; /* pointer wrap */ | |
302 | ||
303 | ctrl_start_transfer(hfc); /* start next transfer */ | |
304 | } | |
305 | } /* ctrl_complete */ | |
306 | ||
307 | /***************************************************/ | |
308 | /* write led data to auxport & invert if necessary */ | |
309 | /***************************************************/ | |
310 | static void | |
311 | write_led(hfcusb_data * hfc, __u8 led_state) | |
312 | { | |
313 | if (led_state != hfc->old_led_state) { | |
314 | hfc->old_led_state = led_state; | |
315 | queue_control_request(hfc, HFCUSB_P_DATA, led_state, 1); | |
316 | } | |
317 | } | |
318 | ||
319 | /**************************/ | |
320 | /* handle LED bits */ | |
321 | /**************************/ | |
322 | static void | |
323 | set_led_bit(hfcusb_data * hfc, signed short led_bits, int unset) | |
324 | { | |
325 | if (unset) { | |
326 | if (led_bits < 0) | |
327 | hfc->led_state |= abs(led_bits); | |
328 | else | |
329 | hfc->led_state &= ~led_bits; | |
330 | } else { | |
331 | if (led_bits < 0) | |
332 | hfc->led_state &= ~abs(led_bits); | |
333 | else | |
334 | hfc->led_state |= led_bits; | |
335 | } | |
336 | } | |
337 | ||
338 | /******************************************/ | |
339 | /* invert B-channel LEDs if data is sent */ | |
340 | /******************************************/ | |
341 | static void | |
342 | led_timer(hfcusb_data * hfc) | |
343 | { | |
344 | static int cnt = 0; | |
345 | ||
346 | if (cnt) { | |
347 | if (hfc->led_b_active & 1) | |
348 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], | |
349 | 0); | |
350 | if (hfc->led_b_active & 2) | |
351 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], | |
352 | 0); | |
353 | } else { | |
354 | if (!(hfc->led_b_active & 1) || hfc->led_new_data & 1) | |
355 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], | |
356 | 1); | |
357 | if (!(hfc->led_b_active & 2) || hfc->led_new_data & 2) | |
358 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], | |
359 | 1); | |
360 | } | |
361 | ||
362 | write_led(hfc, hfc->led_state); | |
363 | hfc->led_new_data = 0; | |
364 | ||
365 | cnt = !cnt; | |
366 | ||
367 | /* restart 4 hz timer */ | |
368 | if (!timer_pending(&hfc->led_timer)) { | |
369 | add_timer(&hfc->led_timer); | |
370 | hfc->led_timer.expires = jiffies + (LED_TIME * HZ) / 1000; | |
371 | } | |
372 | } | |
373 | ||
374 | /**************************/ | |
375 | /* handle LED requests */ | |
376 | /**************************/ | |
377 | static void | |
378 | handle_led(hfcusb_data * hfc, int event) | |
379 | { | |
380 | /* if no scheme -> no LED action */ | |
381 | if (vdata[hfc->vend_idx].led_scheme == LED_OFF) | |
382 | return; | |
383 | ||
384 | switch (event) { | |
385 | case LED_POWER_ON: | |
386 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[0], | |
387 | 0); | |
388 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], | |
389 | 1); | |
390 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], | |
391 | 1); | |
392 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], | |
393 | 1); | |
394 | break; | |
395 | case LED_POWER_OFF: /* no Power off handling */ | |
396 | break; | |
397 | case LED_S0_ON: | |
398 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], | |
399 | 0); | |
400 | break; | |
401 | case LED_S0_OFF: | |
402 | set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], | |
403 | 1); | |
404 | break; | |
405 | case LED_B1_ON: | |
406 | hfc->led_b_active |= 1; | |
407 | break; | |
408 | case LED_B1_OFF: | |
409 | hfc->led_b_active &= ~1; | |
410 | break; | |
411 | case LED_B1_DATA: | |
412 | hfc->led_new_data |= 1; | |
413 | break; | |
414 | case LED_B2_ON: | |
415 | hfc->led_b_active |= 2; | |
416 | break; | |
417 | case LED_B2_OFF: | |
418 | hfc->led_b_active &= ~2; | |
419 | break; | |
420 | case LED_B2_DATA: | |
421 | hfc->led_new_data |= 2; | |
422 | break; | |
423 | } | |
424 | ||
425 | write_led(hfc, hfc->led_state); | |
426 | } | |
427 | ||
428 | /********************************/ | |
429 | /* called when timer t3 expires */ | |
430 | /********************************/ | |
431 | static void | |
432 | l1_timer_expire_t3(hfcusb_data * hfc) | |
433 | { | |
434 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
435 | NULL); | |
436 | #ifdef CONFIG_HISAX_DEBUG | |
437 | DBG(ISDN_DBG, | |
438 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T3 expire)"); | |
439 | #endif | |
440 | hfc->l1_activated = FALSE; | |
441 | handle_led(hfc, LED_S0_OFF); | |
442 | /* deactivate : */ | |
443 | queue_control_request(hfc, HFCUSB_STATES, 0x10, 1); | |
444 | queue_control_request(hfc, HFCUSB_STATES, 3, 1); | |
445 | } | |
446 | ||
447 | /********************************/ | |
448 | /* called when timer t4 expires */ | |
449 | /********************************/ | |
450 | static void | |
451 | l1_timer_expire_t4(hfcusb_data * hfc) | |
452 | { | |
453 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
454 | NULL); | |
455 | #ifdef CONFIG_HISAX_DEBUG | |
456 | DBG(ISDN_DBG, | |
457 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T4 expire)"); | |
458 | #endif | |
459 | hfc->l1_activated = FALSE; | |
460 | handle_led(hfc, LED_S0_OFF); | |
461 | } | |
462 | ||
463 | /*****************************/ | |
464 | /* handle S0 state changes */ | |
465 | /*****************************/ | |
466 | static void | |
467 | state_handler(hfcusb_data * hfc, __u8 state) | |
468 | { | |
469 | __u8 old_state; | |
470 | ||
471 | old_state = hfc->l1_state; | |
472 | if (state == old_state || state < 1 || state > 8) | |
473 | return; | |
474 | ||
475 | #ifdef CONFIG_HISAX_DEBUG | |
476 | DBG(ISDN_DBG, "HFC-S USB: new S0 state:%d old_state:%d", state, | |
477 | old_state); | |
478 | #endif | |
479 | if (state < 4 || state == 7 || state == 8) { | |
480 | if (timer_pending(&hfc->t3_timer)) | |
481 | del_timer(&hfc->t3_timer); | |
482 | #ifdef CONFIG_HISAX_DEBUG | |
483 | DBG(ISDN_DBG, "HFC-S USB: T3 deactivated"); | |
484 | #endif | |
485 | } | |
486 | if (state >= 7) { | |
487 | if (timer_pending(&hfc->t4_timer)) | |
488 | del_timer(&hfc->t4_timer); | |
489 | #ifdef CONFIG_HISAX_DEBUG | |
490 | DBG(ISDN_DBG, "HFC-S USB: T4 deactivated"); | |
491 | #endif | |
492 | } | |
493 | ||
494 | if (state == 7 && !hfc->l1_activated) { | |
495 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
496 | PH_ACTIVATE | INDICATION, NULL); | |
497 | #ifdef CONFIG_HISAX_DEBUG | |
498 | DBG(ISDN_DBG, "HFC-S USB: PH_ACTIVATE | INDICATION sent"); | |
499 | #endif | |
500 | hfc->l1_activated = TRUE; | |
501 | handle_led(hfc, LED_S0_ON); | |
502 | } else if (state <= 3 /* && activated */ ) { | |
503 | if (old_state == 7 || old_state == 8) { | |
504 | #ifdef CONFIG_HISAX_DEBUG | |
505 | DBG(ISDN_DBG, "HFC-S USB: T4 activated"); | |
506 | #endif | |
507 | if (!timer_pending(&hfc->t4_timer)) { | |
508 | hfc->t4_timer.expires = | |
509 | jiffies + (HFC_TIMER_T4 * HZ) / 1000; | |
510 | add_timer(&hfc->t4_timer); | |
511 | } | |
512 | } else { | |
513 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
514 | PH_DEACTIVATE | INDICATION, | |
515 | NULL); | |
516 | #ifdef CONFIG_HISAX_DEBUG | |
517 | DBG(ISDN_DBG, | |
518 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent"); | |
519 | #endif | |
520 | hfc->l1_activated = FALSE; | |
521 | handle_led(hfc, LED_S0_OFF); | |
522 | } | |
523 | } | |
524 | hfc->l1_state = state; | |
525 | } | |
526 | ||
527 | /* prepare iso urb */ | |
528 | static void | |
529 | fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, | |
530 | void *buf, int num_packets, int packet_size, int interval, | |
531 | usb_complete_t complete, void *context) | |
532 | { | |
533 | int k; | |
534 | ||
535 | spin_lock_init(&urb->lock); | |
536 | urb->dev = dev; | |
537 | urb->pipe = pipe; | |
538 | urb->complete = complete; | |
539 | urb->number_of_packets = num_packets; | |
540 | urb->transfer_buffer_length = packet_size * num_packets; | |
541 | urb->context = context; | |
542 | urb->transfer_buffer = buf; | |
543 | urb->transfer_flags = URB_ISO_ASAP; | |
544 | urb->actual_length = 0; | |
545 | urb->interval = interval; | |
546 | for (k = 0; k < num_packets; k++) { | |
547 | urb->iso_frame_desc[k].offset = packet_size * k; | |
548 | urb->iso_frame_desc[k].length = packet_size; | |
549 | urb->iso_frame_desc[k].actual_length = 0; | |
550 | } | |
551 | } | |
552 | ||
553 | /* allocs urbs and start isoc transfer with two pending urbs to avoid | |
554 | gaps in the transfer chain */ | |
555 | static int | |
556 | start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, | |
557 | usb_complete_t complete, int packet_size) | |
558 | { | |
559 | int i, k, errcode; | |
560 | ||
561 | printk(KERN_INFO "HFC-S USB: starting ISO-chain for Fifo %i\n", | |
562 | fifo->fifonum); | |
563 | ||
564 | /* allocate Memory for Iso out Urbs */ | |
565 | for (i = 0; i < 2; i++) { | |
566 | if (!(fifo->iso[i].purb)) { | |
567 | fifo->iso[i].purb = | |
568 | usb_alloc_urb(num_packets_per_urb, GFP_KERNEL); | |
569 | if (!(fifo->iso[i].purb)) { | |
570 | printk(KERN_INFO | |
571 | "alloc urb for fifo %i failed!!!", | |
572 | fifo->fifonum); | |
573 | } | |
574 | fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo; | |
575 | ||
576 | /* Init the first iso */ | |
577 | if (ISO_BUFFER_SIZE >= | |
578 | (fifo->usb_packet_maxlen * | |
579 | num_packets_per_urb)) { | |
580 | fill_isoc_urb(fifo->iso[i].purb, | |
581 | fifo->hfc->dev, fifo->pipe, | |
582 | fifo->iso[i].buffer, | |
583 | num_packets_per_urb, | |
584 | fifo->usb_packet_maxlen, | |
585 | fifo->intervall, complete, | |
586 | &fifo->iso[i]); | |
587 | memset(fifo->iso[i].buffer, 0, | |
588 | sizeof(fifo->iso[i].buffer)); | |
589 | /* defining packet delimeters in fifo->buffer */ | |
590 | for (k = 0; k < num_packets_per_urb; k++) { | |
591 | fifo->iso[i].purb-> | |
592 | iso_frame_desc[k].offset = | |
593 | k * packet_size; | |
594 | fifo->iso[i].purb-> | |
595 | iso_frame_desc[k].length = | |
596 | packet_size; | |
597 | } | |
598 | } else { | |
599 | printk(KERN_INFO | |
600 | "HFC-S USB: ISO Buffer size to small!\n"); | |
601 | } | |
602 | } | |
603 | fifo->bit_line = BITLINE_INF; | |
604 | ||
605 | errcode = usb_submit_urb(fifo->iso[i].purb, GFP_KERNEL); | |
606 | fifo->active = (errcode >= 0) ? 1 : 0; | |
607 | if (errcode < 0) { | |
608 | printk(KERN_INFO "HFC-S USB: %s URB nr:%d\n", | |
609 | symbolic(urb_errlist, errcode), i); | |
610 | }; | |
611 | } | |
612 | return (fifo->active); | |
613 | } | |
614 | ||
615 | /* stops running iso chain and frees their pending urbs */ | |
616 | static void | |
617 | stop_isoc_chain(usb_fifo * fifo) | |
618 | { | |
619 | int i; | |
620 | ||
621 | for (i = 0; i < 2; i++) { | |
622 | if (fifo->iso[i].purb) { | |
623 | #ifdef CONFIG_HISAX_DEBUG | |
624 | DBG(USB_DBG, | |
625 | "HFC-S USB: Stopping iso chain for fifo %i.%i", | |
626 | fifo->fifonum, i); | |
627 | #endif | |
628 | usb_unlink_urb(fifo->iso[i].purb); | |
629 | usb_free_urb(fifo->iso[i].purb); | |
630 | fifo->iso[i].purb = NULL; | |
631 | } | |
632 | } | |
633 | if (fifo->urb) { | |
634 | usb_unlink_urb(fifo->urb); | |
635 | usb_free_urb(fifo->urb); | |
636 | fifo->urb = NULL; | |
637 | } | |
638 | fifo->active = 0; | |
639 | } | |
640 | ||
641 | /* defines how much ISO packets are handled in one URB */ | |
642 | static int iso_packets[8] = | |
643 | { ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, | |
644 | ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D | |
645 | }; | |
646 | ||
647 | /*****************************************************/ | |
648 | /* transmit completion routine for all ISO tx fifos */ | |
649 | /*****************************************************/ | |
650 | static void | |
651 | tx_iso_complete(struct urb *urb, struct pt_regs *regs) | |
652 | { | |
653 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
654 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
655 | hfcusb_data *hfc = fifo->hfc; | |
656 | int k, tx_offset, num_isoc_packets, sink, len, current_len, | |
657 | errcode; | |
658 | int frame_complete, transp_mode, fifon, status; | |
659 | __u8 threshbit; | |
660 | __u8 threshtable[8] = { 1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80 }; | |
661 | ||
662 | fifon = fifo->fifonum; | |
663 | status = urb->status; | |
664 | ||
665 | tx_offset = 0; | |
666 | ||
667 | if (fifo->active && !status) { | |
668 | transp_mode = 0; | |
669 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
670 | transp_mode = TRUE; | |
671 | ||
672 | /* is FifoFull-threshold set for our channel? */ | |
673 | threshbit = threshtable[fifon] & hfc->threshold_mask; | |
674 | num_isoc_packets = iso_packets[fifon]; | |
675 | ||
676 | /* predict dataflow to avoid fifo overflow */ | |
677 | if (fifon >= HFCUSB_D_TX) { | |
678 | sink = (threshbit) ? SINK_DMIN : SINK_DMAX; | |
679 | } else { | |
680 | sink = (threshbit) ? SINK_MIN : SINK_MAX; | |
681 | } | |
682 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
683 | context_iso_urb->buffer, num_isoc_packets, | |
684 | fifo->usb_packet_maxlen, fifo->intervall, | |
685 | tx_iso_complete, urb->context); | |
686 | memset(context_iso_urb->buffer, 0, | |
687 | sizeof(context_iso_urb->buffer)); | |
688 | frame_complete = FALSE; | |
689 | /* Generate next Iso Packets */ | |
690 | for (k = 0; k < num_isoc_packets; ++k) { | |
691 | if (fifo->skbuff) { | |
692 | len = fifo->skbuff->len; | |
693 | /* we lower data margin every msec */ | |
694 | fifo->bit_line -= sink; | |
695 | current_len = (0 - fifo->bit_line) / 8; | |
696 | /* maximum 15 byte for every ISO packet makes our life easier */ | |
697 | if (current_len > 14) | |
698 | current_len = 14; | |
699 | current_len = | |
700 | (len <= | |
701 | current_len) ? len : current_len; | |
702 | /* how much bit do we put on the line? */ | |
703 | fifo->bit_line += current_len * 8; | |
704 | ||
705 | context_iso_urb->buffer[tx_offset] = 0; | |
706 | if (current_len == len) { | |
707 | if (!transp_mode) { | |
708 | /* here frame completion */ | |
709 | context_iso_urb-> | |
710 | buffer[tx_offset] = 1; | |
711 | /* add 2 byte flags and 16bit CRC at end of ISDN frame */ | |
712 | fifo->bit_line += 32; | |
713 | } | |
714 | frame_complete = TRUE; | |
715 | } | |
716 | ||
717 | memcpy(context_iso_urb->buffer + | |
718 | tx_offset + 1, fifo->skbuff->data, | |
719 | current_len); | |
720 | skb_pull(fifo->skbuff, current_len); | |
721 | ||
722 | /* define packet delimeters within the URB buffer */ | |
723 | urb->iso_frame_desc[k].offset = tx_offset; | |
724 | urb->iso_frame_desc[k].length = | |
725 | current_len + 1; | |
726 | ||
727 | tx_offset += (current_len + 1); | |
728 | if (!transp_mode) { | |
729 | if (fifon == HFCUSB_B1_TX) | |
730 | handle_led(hfc, | |
731 | LED_B1_DATA); | |
732 | if (fifon == HFCUSB_B2_TX) | |
733 | handle_led(hfc, | |
734 | LED_B2_DATA); | |
735 | } | |
736 | } else { | |
737 | urb->iso_frame_desc[k].offset = | |
738 | tx_offset++; | |
739 | ||
740 | urb->iso_frame_desc[k].length = 1; | |
741 | fifo->bit_line -= sink; /* we lower data margin every msec */ | |
742 | ||
743 | if (fifo->bit_line < BITLINE_INF) { | |
744 | fifo->bit_line = BITLINE_INF; | |
745 | } | |
746 | } | |
747 | ||
748 | if (frame_complete) { | |
749 | fifo->delete_flg = TRUE; | |
750 | fifo->hif->l1l2(fifo->hif, | |
751 | PH_DATA | CONFIRM, | |
752 | (void *) fifo->skbuff-> | |
753 | truesize); | |
754 | if (fifo->skbuff && fifo->delete_flg) { | |
755 | dev_kfree_skb_any(fifo->skbuff); | |
756 | fifo->skbuff = NULL; | |
757 | fifo->delete_flg = FALSE; | |
758 | } | |
759 | frame_complete = FALSE; | |
760 | } | |
761 | } | |
762 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
763 | if (errcode < 0) { | |
764 | printk(KERN_INFO | |
765 | "HFC-S USB: error submitting ISO URB: %d \n", | |
766 | errcode); | |
767 | } | |
768 | } else { | |
769 | if (status && !hfc->disc_flag) { | |
770 | printk(KERN_INFO | |
771 | "HFC-S USB: tx_iso_complete : urb->status %s (%i), fifonum=%d\n", | |
772 | symbolic(urb_errlist, status), status, | |
773 | fifon); | |
774 | } | |
775 | } | |
776 | } /* tx_iso_complete */ | |
777 | ||
778 | /*****************************************************/ | |
779 | /* receive completion routine for all ISO tx fifos */ | |
780 | /*****************************************************/ | |
781 | static void | |
782 | rx_iso_complete(struct urb *urb, struct pt_regs *regs) | |
783 | { | |
784 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
785 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
786 | hfcusb_data *hfc = fifo->hfc; | |
787 | int k, len, errcode, offset, num_isoc_packets, fifon, maxlen, | |
788 | status; | |
789 | unsigned int iso_status; | |
790 | __u8 *buf; | |
791 | static __u8 eof[8]; | |
792 | #ifdef CONFIG_HISAX_DEBUG | |
793 | __u8 i; | |
794 | #endif | |
795 | ||
796 | fifon = fifo->fifonum; | |
797 | status = urb->status; | |
798 | ||
799 | if (urb->status == -EOVERFLOW) { | |
800 | #ifdef CONFIG_HISAX_DEBUG | |
801 | DBG(USB_DBG, | |
802 | "HFC-USB: ignoring USB DATAOVERRUN for fifo %i \n", | |
803 | fifon); | |
804 | #endif | |
805 | status = 0; | |
806 | } | |
807 | if (fifo->active && !status) { | |
808 | num_isoc_packets = iso_packets[fifon]; | |
809 | maxlen = fifo->usb_packet_maxlen; | |
810 | for (k = 0; k < num_isoc_packets; ++k) { | |
811 | len = urb->iso_frame_desc[k].actual_length; | |
812 | offset = urb->iso_frame_desc[k].offset; | |
813 | buf = context_iso_urb->buffer + offset; | |
814 | iso_status = urb->iso_frame_desc[k].status; | |
815 | #ifdef CONFIG_HISAX_DEBUG | |
816 | if (iso_status && !hfc->disc_flag) | |
817 | DBG(USB_DBG, | |
818 | "HFC-S USB: ISO packet failure - status:%x", | |
819 | iso_status); | |
820 | ||
821 | if ((fifon == 5) && (debug > 1)) { | |
822 | printk(KERN_INFO | |
823 | "HFC-S USB: ISO-D-RX lst_urblen:%2d " | |
824 | "act_urblen:%2d max-urblen:%2d " | |
825 | "EOF:0x%0x DATA: ", | |
826 | fifo->last_urblen, len, maxlen, | |
827 | eof[5]); | |
828 | for (i = 0; i < len; i++) | |
829 | printk("%.2x ", buf[i]); | |
830 | printk("\n"); | |
831 | } | |
832 | #endif | |
833 | if (fifo->last_urblen != maxlen) { | |
834 | /* the threshold mask is in the 2nd status byte */ | |
835 | hfc->threshold_mask = buf[1]; | |
836 | /* care for L1 state only for D-Channel | |
837 | to avoid overlapped iso completions */ | |
838 | if (fifon == 5) { | |
839 | /* the S0 state is in the upper half | |
840 | of the 1st status byte */ | |
841 | state_handler(hfc, buf[0] >> 4); | |
842 | } | |
843 | eof[fifon] = buf[0] & 1; | |
844 | if (len > 2) | |
845 | collect_rx_frame(fifo, buf + 2, | |
846 | len - 2, | |
847 | (len < | |
848 | maxlen) ? | |
849 | eof[fifon] : 0); | |
850 | } else { | |
851 | collect_rx_frame(fifo, buf, len, | |
852 | (len < | |
853 | maxlen) ? eof[fifon] : | |
854 | 0); | |
855 | } | |
856 | fifo->last_urblen = len; | |
857 | } | |
858 | ||
859 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
860 | context_iso_urb->buffer, num_isoc_packets, | |
861 | fifo->usb_packet_maxlen, fifo->intervall, | |
862 | rx_iso_complete, urb->context); | |
863 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
864 | if (errcode < 0) { | |
865 | printk(KERN_INFO | |
866 | "HFC-S USB: error submitting ISO URB: %d \n", | |
867 | errcode); | |
868 | } | |
869 | } else { | |
870 | if (status && !hfc->disc_flag) { | |
871 | printk(KERN_INFO | |
872 | "HFC-S USB: rx_iso_complete : " | |
873 | "urb->status %d, fifonum %d\n", | |
874 | status, fifon); | |
875 | } | |
876 | } | |
877 | } /* rx_iso_complete */ | |
878 | ||
879 | /*****************************************************/ | |
880 | /* collect data from interrupt or isochron in */ | |
881 | /*****************************************************/ | |
882 | static void | |
883 | collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) | |
884 | { | |
885 | hfcusb_data *hfc = fifo->hfc; | |
886 | int transp_mode, fifon; | |
887 | #ifdef CONFIG_HISAX_DEBUG | |
888 | int i; | |
889 | #endif | |
890 | fifon = fifo->fifonum; | |
891 | transp_mode = 0; | |
892 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
893 | transp_mode = TRUE; | |
894 | ||
895 | if (!fifo->skbuff) { | |
896 | fifo->skbuff = dev_alloc_skb(fifo->max_size + 3); | |
897 | if (!fifo->skbuff) { | |
898 | printk(KERN_INFO | |
899 | "HFC-S USB: cannot allocate buffer (dev_alloc_skb) fifo:%d\n", | |
900 | fifon); | |
901 | return; | |
902 | } | |
903 | } | |
904 | if (len) { | |
905 | if (fifo->skbuff->len + len < fifo->max_size) { | |
906 | memcpy(skb_put(fifo->skbuff, len), data, len); | |
907 | } else { | |
908 | #ifdef CONFIG_HISAX_DEBUG | |
909 | printk(KERN_INFO "HFC-S USB: "); | |
910 | for (i = 0; i < 15; i++) | |
911 | printk("%.2x ", | |
912 | fifo->skbuff->data[fifo->skbuff-> | |
913 | len - 15 + i]); | |
914 | printk("\n"); | |
915 | #endif | |
916 | printk(KERN_INFO | |
917 | "HCF-USB: got frame exceeded fifo->max_size:%d on fifo:%d\n", | |
918 | fifo->max_size, fifon); | |
919 | } | |
920 | } | |
921 | if (transp_mode && fifo->skbuff->len >= 128) { | |
922 | fifo->hif->l1l2(fifo->hif, PH_DATA | INDICATION, | |
923 | fifo->skbuff); | |
924 | fifo->skbuff = NULL; | |
925 | return; | |
926 | } | |
927 | /* we have a complete hdlc packet */ | |
928 | if (finish) { | |
929 | if ((!fifo->skbuff->data[fifo->skbuff->len - 1]) | |
930 | && (fifo->skbuff->len > 3)) { | |
931 | /* remove CRC & status */ | |
932 | skb_trim(fifo->skbuff, fifo->skbuff->len - 3); | |
933 | if (fifon == HFCUSB_PCM_RX) { | |
934 | fifo->hif->l1l2(fifo->hif, | |
935 | PH_DATA_E | INDICATION, | |
936 | fifo->skbuff); | |
937 | } else | |
938 | fifo->hif->l1l2(fifo->hif, | |
939 | PH_DATA | INDICATION, | |
940 | fifo->skbuff); | |
941 | fifo->skbuff = NULL; /* buffer was freed from upper layer */ | |
942 | } else { | |
943 | if (fifo->skbuff->len > 3) { | |
944 | printk(KERN_INFO | |
945 | "HFC-S USB: got frame %d bytes but CRC ERROR on fifo:%d!!!\n", | |
946 | fifo->skbuff->len, fifon); | |
947 | #ifdef CONFIG_HISAX_DEBUG | |
948 | if (debug > 1) { | |
949 | printk(KERN_INFO "HFC-S USB: "); | |
950 | for (i = 0; i < 15; i++) | |
951 | printk("%.2x ", | |
952 | fifo->skbuff-> | |
953 | data[fifo->skbuff-> | |
954 | len - 15 + i]); | |
955 | printk("\n"); | |
956 | } | |
957 | #endif | |
958 | } | |
959 | #ifdef CONFIG_HISAX_DEBUG | |
960 | else { | |
961 | printk(KERN_INFO | |
962 | "HFC-S USB: frame to small (%d bytes)!!!\n", | |
963 | fifo->skbuff->len); | |
964 | } | |
965 | #endif | |
966 | skb_trim(fifo->skbuff, 0); | |
967 | } | |
968 | } | |
969 | ||
970 | /* LED flashing only in HDLC mode */ | |
971 | if (!transp_mode) { | |
972 | if (fifon == HFCUSB_B1_RX) | |
973 | handle_led(hfc, LED_B1_DATA); | |
974 | if (fifon == HFCUSB_B2_RX) | |
975 | handle_led(hfc, LED_B2_DATA); | |
976 | } | |
977 | } | |
978 | ||
979 | /***********************************************/ | |
980 | /* receive completion routine for all rx fifos */ | |
981 | /***********************************************/ | |
982 | static void | |
983 | rx_complete(struct urb *urb, struct pt_regs *regs) | |
984 | { | |
985 | int len; | |
986 | int status; | |
987 | __u8 *buf, maxlen, fifon; | |
988 | usb_fifo *fifo = (usb_fifo *) urb->context; | |
989 | hfcusb_data *hfc = fifo->hfc; | |
990 | static __u8 eof[8]; | |
991 | #ifdef CONFIG_HISAX_DEBUG | |
992 | __u8 i; | |
993 | #endif | |
994 | ||
995 | urb->dev = hfc->dev; /* security init */ | |
996 | ||
997 | fifon = fifo->fifonum; | |
998 | if ((!fifo->active) || (urb->status)) { | |
999 | #ifdef CONFIG_HISAX_DEBUG | |
1000 | DBG(USB_DBG, "HFC-S USB: RX-Fifo %i is going down (%i)", | |
1001 | fifon, urb->status); | |
1002 | #endif | |
1003 | fifo->urb->interval = 0; /* cancel automatic rescheduling */ | |
1004 | if (fifo->skbuff) { | |
1005 | dev_kfree_skb_any(fifo->skbuff); | |
1006 | fifo->skbuff = NULL; | |
1007 | } | |
1008 | return; | |
1009 | } | |
1010 | len = urb->actual_length; | |
1011 | buf = fifo->buffer; | |
1012 | maxlen = fifo->usb_packet_maxlen; | |
1013 | ||
1014 | #ifdef CONFIG_HISAX_DEBUG | |
1015 | if ((fifon == 5) && (debug > 1)) { | |
1016 | printk(KERN_INFO | |
1017 | "HFC-S USB: INT-D-RX lst_urblen:%2d act_urblen:%2d max-urblen:%2d EOF:0x%0x DATA: ", | |
1018 | fifo->last_urblen, len, maxlen, eof[5]); | |
1019 | for (i = 0; i < len; i++) | |
1020 | printk("%.2x ", buf[i]); | |
1021 | printk("\n"); | |
1022 | } | |
1023 | #endif | |
1024 | ||
1025 | if (fifo->last_urblen != fifo->usb_packet_maxlen) { | |
1026 | /* the threshold mask is in the 2nd status byte */ | |
1027 | hfc->threshold_mask = buf[1]; | |
1028 | /* the S0 state is in the upper half of the 1st status byte */ | |
1029 | state_handler(hfc, buf[0] >> 4); | |
1030 | eof[fifon] = buf[0] & 1; | |
1031 | /* if we have more than the 2 status bytes -> collect data */ | |
1032 | if (len > 2) | |
1033 | collect_rx_frame(fifo, buf + 2, | |
1034 | urb->actual_length - 2, | |
1035 | (len < maxlen) ? eof[fifon] : 0); | |
1036 | } else { | |
1037 | collect_rx_frame(fifo, buf, urb->actual_length, | |
1038 | (len < maxlen) ? eof[fifon] : 0); | |
1039 | } | |
1040 | fifo->last_urblen = urb->actual_length; | |
1041 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
1042 | if (status) { | |
1043 | printk(KERN_INFO | |
1044 | "HFC-S USB: error resubmitting URN at rx_complete...\n"); | |
1045 | } | |
1046 | } /* rx_complete */ | |
1047 | ||
1048 | /***************************************************/ | |
1049 | /* start the interrupt transfer for the given fifo */ | |
1050 | /***************************************************/ | |
1051 | static void | |
1052 | start_int_fifo(usb_fifo * fifo) | |
1053 | { | |
1054 | int errcode; | |
1055 | ||
1056 | printk(KERN_INFO "HFC-S USB: starting intr IN fifo:%d\n", | |
1057 | fifo->fifonum); | |
1058 | ||
1059 | if (!fifo->urb) { | |
1060 | fifo->urb = usb_alloc_urb(0, GFP_KERNEL); | |
1061 | if (!fifo->urb) | |
1062 | return; | |
1063 | } | |
1064 | usb_fill_int_urb(fifo->urb, fifo->hfc->dev, fifo->pipe, | |
1065 | fifo->buffer, fifo->usb_packet_maxlen, | |
1066 | rx_complete, fifo, fifo->intervall); | |
1067 | fifo->active = 1; /* must be marked active */ | |
1068 | errcode = usb_submit_urb(fifo->urb, GFP_KERNEL); | |
1069 | if (errcode) { | |
1070 | printk(KERN_INFO | |
1071 | "HFC-S USB: submit URB error(start_int_info): status:%i\n", | |
1072 | errcode); | |
1073 | fifo->active = 0; | |
1074 | fifo->skbuff = NULL; | |
1075 | } | |
1076 | } /* start_int_fifo */ | |
1077 | ||
1078 | /*****************************/ | |
1079 | /* set the B-channel mode */ | |
1080 | /*****************************/ | |
1081 | static void | |
1082 | set_hfcmode(hfcusb_data * hfc, int channel, int mode) | |
1083 | { | |
1084 | __u8 val, idx_table[2] = { 0, 2 }; | |
1085 | ||
1086 | if (hfc->disc_flag) { | |
1087 | return; | |
1088 | } | |
1089 | #ifdef CONFIG_HISAX_DEBUG | |
1090 | DBG(ISDN_DBG, "HFC-S USB: setting channel %d to mode %d", channel, | |
1091 | mode); | |
1092 | #endif | |
1093 | hfc->b_mode[channel] = mode; | |
1094 | ||
1095 | /* setup CON_HDLC */ | |
1096 | val = 0; | |
1097 | if (mode != L1_MODE_NULL) | |
1098 | val = 8; /* enable fifo? */ | |
1099 | if (mode == L1_MODE_TRANS) | |
1100 | val |= 2; /* set transparent bit */ | |
1101 | ||
1102 | /* set FIFO to transmit register */ | |
1103 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel], 1); | |
1104 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1105 | /* reset fifo */ | |
1106 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1107 | /* set FIFO to receive register */ | |
1108 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel] + 1, 1); | |
1109 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1110 | /* reset fifo */ | |
1111 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1112 | ||
1113 | val = 0x40; | |
1114 | if (hfc->b_mode[0]) | |
1115 | val |= 1; | |
1116 | if (hfc->b_mode[1]) | |
1117 | val |= 2; | |
1118 | queue_control_request(hfc, HFCUSB_SCTRL, val, 1); | |
1119 | ||
1120 | val = 0; | |
1121 | if (hfc->b_mode[0]) | |
1122 | val |= 1; | |
1123 | if (hfc->b_mode[1]) | |
1124 | val |= 2; | |
1125 | queue_control_request(hfc, HFCUSB_SCTRL_R, val, 1); | |
1126 | ||
1127 | if (mode == L1_MODE_NULL) { | |
1128 | if (channel) | |
1129 | handle_led(hfc, LED_B2_OFF); | |
1130 | else | |
1131 | handle_led(hfc, LED_B1_OFF); | |
1132 | } else { | |
1133 | if (channel) | |
1134 | handle_led(hfc, LED_B2_ON); | |
1135 | else | |
1136 | handle_led(hfc, LED_B1_ON); | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | void | |
1141 | hfc_usb_l2l1(struct hisax_if *my_hisax_if, int pr, void *arg) | |
1142 | { | |
1143 | usb_fifo *fifo = my_hisax_if->priv; | |
1144 | hfcusb_data *hfc = fifo->hfc; | |
1145 | ||
1146 | switch (pr) { | |
1147 | case PH_ACTIVATE | REQUEST: | |
1148 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1149 | #ifdef CONFIG_HISAX_DEBUG | |
1150 | DBG(ISDN_DBG, | |
1151 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_ACTIVATE | REQUEST"); | |
1152 | #endif | |
1153 | if (hfc->l1_state != 3 | |
1154 | && hfc->l1_state != 7) { | |
1155 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
1156 | PH_DEACTIVATE | | |
1157 | INDICATION, | |
1158 | NULL); | |
1159 | #ifdef CONFIG_HISAX_DEBUG | |
1160 | DBG(ISDN_DBG, | |
1161 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (not state 3 or 7)"); | |
1162 | #endif | |
1163 | } else { | |
1164 | if (hfc->l1_state == 7) { /* l1 already active */ | |
1165 | hfc->d_if.ifc.l1l2(&hfc-> | |
1166 | d_if. | |
1167 | ifc, | |
1168 | PH_ACTIVATE | |
1169 | | | |
1170 | INDICATION, | |
1171 | NULL); | |
1172 | #ifdef CONFIG_HISAX_DEBUG | |
1173 | DBG(ISDN_DBG, | |
1174 | "HFC-S USB: PH_ACTIVATE | INDICATION sent again ;)"); | |
1175 | #endif | |
1176 | } else { | |
1177 | /* force sending sending INFO1 */ | |
1178 | queue_control_request(hfc, | |
1179 | HFCUSB_STATES, | |
1180 | 0x14, | |
1181 | 1); | |
1182 | mdelay(1); | |
1183 | /* start l1 activation */ | |
1184 | queue_control_request(hfc, | |
1185 | HFCUSB_STATES, | |
1186 | 0x04, | |
1187 | 1); | |
1188 | if (!timer_pending | |
1189 | (&hfc->t3_timer)) { | |
1190 | hfc->t3_timer. | |
1191 | expires = | |
1192 | jiffies + | |
1193 | (HFC_TIMER_T3 * | |
1194 | HZ) / 1000; | |
1195 | add_timer(&hfc-> | |
1196 | t3_timer); | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | } else { | |
1201 | #ifdef CONFIG_HISAX_DEBUG | |
1202 | DBG(ISDN_DBG, | |
1203 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_ACTIVATE | REQUEST"); | |
1204 | #endif | |
1205 | set_hfcmode(hfc, | |
1206 | (fifo->fifonum == | |
1207 | HFCUSB_B1_TX) ? 0 : 1, | |
1208 | (int) arg); | |
1209 | fifo->hif->l1l2(fifo->hif, | |
1210 | PH_ACTIVATE | INDICATION, | |
1211 | NULL); | |
1212 | } | |
1213 | break; | |
1214 | case PH_DEACTIVATE | REQUEST: | |
1215 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1216 | #ifdef CONFIG_HISAX_DEBUG | |
1217 | DBG(ISDN_DBG, | |
1218 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_DEACTIVATE | REQUEST"); | |
1219 | #endif | |
1220 | printk(KERN_INFO | |
1221 | "HFC-S USB: ISDN TE device should not deativate...\n"); | |
1222 | } else { | |
1223 | #ifdef CONFIG_HISAX_DEBUG | |
1224 | DBG(ISDN_DBG, | |
1225 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_DEACTIVATE | REQUEST"); | |
1226 | #endif | |
1227 | set_hfcmode(hfc, | |
1228 | (fifo->fifonum == | |
1229 | HFCUSB_B1_TX) ? 0 : 1, | |
1230 | (int) L1_MODE_NULL); | |
1231 | fifo->hif->l1l2(fifo->hif, | |
1232 | PH_DEACTIVATE | INDICATION, | |
1233 | NULL); | |
1234 | } | |
1235 | break; | |
1236 | case PH_DATA | REQUEST: | |
1237 | if (fifo->skbuff && fifo->delete_flg) { | |
1238 | dev_kfree_skb_any(fifo->skbuff); | |
1239 | fifo->skbuff = NULL; | |
1240 | fifo->delete_flg = FALSE; | |
1241 | } | |
1242 | fifo->skbuff = arg; /* we have a new buffer */ | |
1243 | break; | |
1244 | default: | |
1245 | printk(KERN_INFO | |
1246 | "HFC_USB: hfc_usb_d_l2l1: unkown state : %#x\n", | |
1247 | pr); | |
1248 | break; | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | /***************************************************************************/ | |
1253 | /* usb_init is called once when a new matching device is detected to setup */ | |
1254 | /* main parameters. It registers the driver at the main hisax module. */ | |
1255 | /* on success 0 is returned. */ | |
1256 | /***************************************************************************/ | |
1257 | static int | |
1258 | usb_init(hfcusb_data * hfc) | |
1259 | { | |
1260 | usb_fifo *fifo; | |
1261 | int i, err; | |
1262 | u_char b; | |
1263 | struct hisax_b_if *p_b_if[2]; | |
1264 | ||
1265 | /* check the chip id */ | |
1266 | if (read_usb(hfc, HFCUSB_CHIP_ID, &b) != 1) { | |
1267 | printk(KERN_INFO "HFC-USB: cannot read chip id\n"); | |
1268 | return (1); | |
1269 | } | |
1270 | if (b != HFCUSB_CHIPID) { | |
1271 | printk(KERN_INFO "HFC-S USB: Invalid chip id 0x%02x\n", b); | |
1272 | return (1); | |
1273 | } | |
1274 | ||
1275 | /* first set the needed config, interface and alternate */ | |
1276 | err = usb_set_interface(hfc->dev, hfc->if_used, hfc->alt_used); | |
1277 | ||
1278 | /* do Chip reset */ | |
1279 | write_usb(hfc, HFCUSB_CIRM, 8); | |
1280 | /* aux = output, reset off */ | |
1281 | write_usb(hfc, HFCUSB_CIRM, 0x10); | |
1282 | ||
1283 | /* set USB_SIZE to match the the wMaxPacketSize for INT or BULK transfers */ | |
1284 | write_usb(hfc, HFCUSB_USB_SIZE, | |
1285 | (hfc->packet_size / 8) | ((hfc->packet_size / 8) << 4)); | |
1286 | ||
1287 | /* set USB_SIZE_I to match the the wMaxPacketSize for ISO transfers */ | |
1288 | write_usb(hfc, HFCUSB_USB_SIZE_I, hfc->iso_packet_size); | |
1289 | ||
1290 | /* enable PCM/GCI master mode */ | |
1291 | write_usb(hfc, HFCUSB_MST_MODE1, 0); /* set default values */ | |
1292 | write_usb(hfc, HFCUSB_MST_MODE0, 1); /* enable master mode */ | |
1293 | ||
1294 | /* init the fifos */ | |
1295 | write_usb(hfc, HFCUSB_F_THRES, | |
1296 | (HFCUSB_TX_THRESHOLD / | |
1297 | 8) | ((HFCUSB_RX_THRESHOLD / 8) << 4)); | |
1298 | ||
1299 | fifo = hfc->fifos; | |
1300 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1301 | write_usb(hfc, HFCUSB_FIFO, i); /* select the desired fifo */ | |
1302 | fifo[i].skbuff = NULL; /* init buffer pointer */ | |
1303 | fifo[i].max_size = | |
1304 | (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN; | |
1305 | fifo[i].last_urblen = 0; | |
1306 | /* set 2 bit for D- & E-channel */ | |
1307 | write_usb(hfc, HFCUSB_HDLC_PAR, | |
1308 | ((i <= HFCUSB_B2_RX) ? 0 : 2)); | |
1309 | /* rx hdlc, enable IFF for D-channel */ | |
1310 | write_usb(hfc, HFCUSB_CON_HDLC, | |
1311 | ((i == HFCUSB_D_TX) ? 0x09 : 0x08)); | |
1312 | write_usb(hfc, HFCUSB_INC_RES_F, 2); /* reset the fifo */ | |
1313 | } | |
1314 | ||
1315 | write_usb(hfc, HFCUSB_CLKDEL, 0x0f); /* clock delay value */ | |
1316 | write_usb(hfc, HFCUSB_STATES, 3 | 0x10); /* set deactivated mode */ | |
1317 | write_usb(hfc, HFCUSB_STATES, 3); /* enable state machine */ | |
1318 | ||
1319 | write_usb(hfc, HFCUSB_SCTRL_R, 0); /* disable both B receivers */ | |
1320 | write_usb(hfc, HFCUSB_SCTRL, 0x40); /* disable B transmitters + capacitive mode */ | |
1321 | ||
1322 | /* set both B-channel to not connected */ | |
1323 | hfc->b_mode[0] = L1_MODE_NULL; | |
1324 | hfc->b_mode[1] = L1_MODE_NULL; | |
1325 | ||
1326 | hfc->l1_activated = FALSE; | |
1327 | hfc->disc_flag = FALSE; | |
1328 | hfc->led_state = 0; | |
1329 | hfc->led_new_data = 0; | |
1330 | hfc->old_led_state = 0; | |
1331 | ||
1332 | /* init the t3 timer */ | |
1333 | init_timer(&hfc->t3_timer); | |
1334 | hfc->t3_timer.data = (long) hfc; | |
1335 | hfc->t3_timer.function = (void *) l1_timer_expire_t3; | |
1336 | ||
1337 | /* init the t4 timer */ | |
1338 | init_timer(&hfc->t4_timer); | |
1339 | hfc->t4_timer.data = (long) hfc; | |
1340 | hfc->t4_timer.function = (void *) l1_timer_expire_t4; | |
1341 | ||
1342 | /* init the led timer */ | |
1343 | init_timer(&hfc->led_timer); | |
1344 | hfc->led_timer.data = (long) hfc; | |
1345 | hfc->led_timer.function = (void *) led_timer; | |
1346 | ||
1347 | /* trigger 4 hz led timer */ | |
1348 | if (!timer_pending(&hfc->led_timer)) { | |
1349 | hfc->led_timer.expires = jiffies + (LED_TIME * HZ) / 1000; | |
1350 | add_timer(&hfc->led_timer); | |
1351 | } | |
1352 | ||
1353 | /* init the background machinery for control requests */ | |
1354 | hfc->ctrl_read.bRequestType = 0xc0; | |
1355 | hfc->ctrl_read.bRequest = 1; | |
1356 | hfc->ctrl_read.wLength = 1; | |
1357 | hfc->ctrl_write.bRequestType = 0x40; | |
1358 | hfc->ctrl_write.bRequest = 0; | |
1359 | hfc->ctrl_write.wLength = 0; | |
1360 | usb_fill_control_urb(hfc->ctrl_urb, | |
1361 | hfc->dev, | |
1362 | hfc->ctrl_out_pipe, | |
1363 | (u_char *) & hfc->ctrl_write, | |
1364 | NULL, 0, ctrl_complete, hfc); | |
1365 | /* Init All Fifos */ | |
1366 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1367 | hfc->fifos[i].iso[0].purb = NULL; | |
1368 | hfc->fifos[i].iso[1].purb = NULL; | |
1369 | hfc->fifos[i].active = 0; | |
1370 | } | |
1371 | /* register Modul to upper Hisax Layers */ | |
1372 | hfc->d_if.owner = THIS_MODULE; | |
1373 | hfc->d_if.ifc.priv = &hfc->fifos[HFCUSB_D_TX]; | |
1374 | hfc->d_if.ifc.l2l1 = hfc_usb_l2l1; | |
1375 | for (i = 0; i < 2; i++) { | |
1376 | hfc->b_if[i].ifc.priv = &hfc->fifos[HFCUSB_B1_TX + i * 2]; | |
1377 | hfc->b_if[i].ifc.l2l1 = hfc_usb_l2l1; | |
1378 | p_b_if[i] = &hfc->b_if[i]; | |
1379 | } | |
1380 | /* default Prot: EURO ISDN, should be a module_param */ | |
1381 | hfc->protocol = 2; | |
1382 | hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); | |
1383 | ||
1384 | #ifdef CONFIG_HISAX_DEBUG | |
1385 | hfc_debug = debug; | |
1386 | #endif | |
1387 | ||
1388 | for (i = 0; i < 4; i++) | |
1389 | hfc->fifos[i].hif = &p_b_if[i / 2]->ifc; | |
1390 | for (i = 4; i < 8; i++) | |
1391 | hfc->fifos[i].hif = &hfc->d_if.ifc; | |
1392 | ||
1393 | /* 3 (+1) INT IN + 3 ISO OUT */ | |
1394 | if (hfc->cfg_used == CNF_3INT3ISO || hfc->cfg_used == CNF_4INT3ISO) { | |
1395 | start_int_fifo(hfc->fifos + HFCUSB_D_RX); | |
1396 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1397 | start_int_fifo(hfc->fifos + HFCUSB_PCM_RX); | |
1398 | start_int_fifo(hfc->fifos + HFCUSB_B1_RX); | |
1399 | start_int_fifo(hfc->fifos + HFCUSB_B2_RX); | |
1400 | } | |
1401 | /* 3 (+1) ISO IN + 3 ISO OUT */ | |
1402 | if (hfc->cfg_used == CNF_3ISO3ISO || hfc->cfg_used == CNF_4ISO3ISO) { | |
1403 | start_isoc_chain(hfc->fifos + HFCUSB_D_RX, ISOC_PACKETS_D, | |
1404 | rx_iso_complete, 16); | |
1405 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1406 | start_isoc_chain(hfc->fifos + HFCUSB_PCM_RX, | |
1407 | ISOC_PACKETS_D, rx_iso_complete, | |
1408 | 16); | |
1409 | start_isoc_chain(hfc->fifos + HFCUSB_B1_RX, ISOC_PACKETS_B, | |
1410 | rx_iso_complete, 16); | |
1411 | start_isoc_chain(hfc->fifos + HFCUSB_B2_RX, ISOC_PACKETS_B, | |
1412 | rx_iso_complete, 16); | |
1413 | } | |
1414 | ||
1415 | start_isoc_chain(hfc->fifos + HFCUSB_D_TX, ISOC_PACKETS_D, | |
1416 | tx_iso_complete, 1); | |
1417 | start_isoc_chain(hfc->fifos + HFCUSB_B1_TX, ISOC_PACKETS_B, | |
1418 | tx_iso_complete, 1); | |
1419 | start_isoc_chain(hfc->fifos + HFCUSB_B2_TX, ISOC_PACKETS_B, | |
1420 | tx_iso_complete, 1); | |
1421 | ||
1422 | handle_led(hfc, LED_POWER_ON); | |
1423 | ||
1424 | return (0); | |
1425 | } /* usb_init */ | |
1426 | ||
1427 | /*************************************************/ | |
1428 | /* function called to probe a new plugged device */ | |
1429 | /*************************************************/ | |
1430 | static int | |
1431 | hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1432 | { | |
1433 | struct usb_device *dev = interface_to_usbdev(intf); | |
1434 | hfcusb_data *context; | |
1435 | struct usb_host_interface *iface = intf->cur_altsetting; | |
1436 | struct usb_host_interface *iface_used = NULL; | |
1437 | struct usb_host_endpoint *ep; | |
1438 | int ifnum = iface->desc.bInterfaceNumber; | |
1439 | int i, idx, alt_idx, probe_alt_setting, vend_idx, cfg_used, *vcf, | |
1440 | attr, cfg_found, cidx, ep_addr; | |
1441 | int cmptbl[16], small_match, iso_packet_size, packet_size, | |
1442 | alt_used = 0; | |
1443 | ||
1444 | vend_idx = 0xffff; | |
1445 | for (i = 0; vdata[i].vendor; i++) { | |
1446 | if (dev->descriptor.idVendor == vdata[i].vendor | |
1447 | && dev->descriptor.idProduct == vdata[i].prod_id) | |
1448 | vend_idx = i; | |
1449 | } | |
1450 | #ifdef CONFIG_HISAX_DEBUG | |
1451 | DBG(USB_DBG, | |
1452 | "HFC-USB: probing interface(%d) actalt(%d) minor(%d)\n", ifnum, | |
1453 | iface->desc.bAlternateSetting, intf->minor); | |
1454 | #endif | |
1455 | printk(KERN_INFO | |
1456 | "HFC-S USB: probing interface(%d) actalt(%d) minor(%d)\n", | |
1457 | ifnum, iface->desc.bAlternateSetting, intf->minor); | |
1458 | ||
1459 | if (vend_idx != 0xffff) { | |
1460 | #ifdef CONFIG_HISAX_DEBUG | |
1461 | DBG(USB_DBG, "HFC-S USB: found vendor idx:%d name:%s", | |
1462 | vend_idx, vdata[vend_idx].vend_name); | |
1463 | #endif | |
1464 | /* if vendor and product ID is OK, start probing alternate settings */ | |
1465 | alt_idx = 0; | |
1466 | small_match = 0xffff; | |
1467 | ||
1468 | /* default settings */ | |
1469 | iso_packet_size = 16; | |
1470 | packet_size = 64; | |
1471 | ||
1472 | while (alt_idx < intf->num_altsetting) { | |
1473 | iface = intf->altsetting + alt_idx; | |
1474 | probe_alt_setting = iface->desc.bAlternateSetting; | |
1475 | cfg_used = 0; | |
1476 | ||
1477 | /* check for config EOL element */ | |
1478 | while (validconf[cfg_used][0]) { | |
1479 | cfg_found = TRUE; | |
1480 | vcf = validconf[cfg_used]; | |
1481 | /* first endpoint descriptor */ | |
1482 | ep = iface->endpoint; | |
1483 | #ifdef CONFIG_HISAX_DEBUG | |
1484 | DBG(USB_DBG, | |
1485 | "HFC-S USB: (if=%d alt=%d cfg_used=%d)\n", | |
1486 | ifnum, probe_alt_setting, cfg_used); | |
1487 | #endif | |
1488 | memcpy(cmptbl, vcf, 16 * sizeof(int)); | |
1489 | ||
1490 | /* check for all endpoints in this alternate setting */ | |
1491 | for (i = 0; i < iface->desc.bNumEndpoints; | |
1492 | i++) { | |
1493 | ep_addr = | |
1494 | ep->desc.bEndpointAddress; | |
1495 | /* get endpoint base */ | |
1496 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1497 | if (ep_addr & 0x80) | |
1498 | idx++; | |
1499 | attr = ep->desc.bmAttributes; | |
1500 | if (cmptbl[idx] == EP_NUL) { | |
1501 | cfg_found = FALSE; | |
1502 | } | |
1503 | if (attr == USB_ENDPOINT_XFER_INT | |
1504 | && cmptbl[idx] == EP_INT) | |
1505 | cmptbl[idx] = EP_NUL; | |
1506 | if (attr == USB_ENDPOINT_XFER_BULK | |
1507 | && cmptbl[idx] == EP_BLK) | |
1508 | cmptbl[idx] = EP_NUL; | |
1509 | if (attr == USB_ENDPOINT_XFER_ISOC | |
1510 | && cmptbl[idx] == EP_ISO) | |
1511 | cmptbl[idx] = EP_NUL; | |
1512 | ||
1513 | /* check if all INT endpoints match minimum interval */ | |
1514 | if (attr == USB_ENDPOINT_XFER_INT | |
1515 | && ep->desc.bInterval < | |
1516 | vcf[17]) { | |
1517 | #ifdef CONFIG_HISAX_DEBUG | |
1518 | if (cfg_found) | |
1519 | DBG(USB_DBG, | |
1520 | "HFC-S USB: Interrupt Endpoint interval < %d found - skipping config", | |
1521 | vcf[17]); | |
1522 | #endif | |
1523 | cfg_found = FALSE; | |
1524 | } | |
1525 | ep++; | |
1526 | } | |
1527 | for (i = 0; i < 16; i++) { | |
1528 | /* all entries must be EP_NOP or EP_NUL for a valid config */ | |
1529 | if (cmptbl[i] != EP_NOP | |
1530 | && cmptbl[i] != EP_NUL) | |
1531 | cfg_found = FALSE; | |
1532 | } | |
1533 | if (cfg_found) { | |
1534 | if (cfg_used < small_match) { | |
1535 | small_match = cfg_used; | |
1536 | alt_used = | |
1537 | probe_alt_setting; | |
1538 | iface_used = iface; | |
1539 | } | |
1540 | #ifdef CONFIG_HISAX_DEBUG | |
1541 | DBG(USB_DBG, | |
1542 | "HFC-USB: small_match=%x %x\n", | |
1543 | small_match, alt_used); | |
1544 | #endif | |
1545 | } | |
1546 | cfg_used++; | |
1547 | } | |
1548 | alt_idx++; | |
1549 | } /* (alt_idx < intf->num_altsetting) */ | |
1550 | ||
1551 | /* found a valid USB Ta Endpint config */ | |
1552 | if (small_match != 0xffff) { | |
1553 | iface = iface_used; | |
1554 | if (! | |
1555 | (context = | |
1556 | kmalloc(sizeof(hfcusb_data), GFP_KERNEL))) | |
1557 | return (-ENOMEM); /* got no mem */ | |
1558 | memset(context, 0, sizeof(hfcusb_data)); | |
1559 | ||
1560 | ep = iface->endpoint; | |
1561 | vcf = validconf[small_match]; | |
1562 | ||
1563 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { | |
1564 | ep_addr = ep->desc.bEndpointAddress; | |
1565 | /* get endpoint base */ | |
1566 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1567 | if (ep_addr & 0x80) | |
1568 | idx++; | |
1569 | cidx = idx & 7; | |
1570 | attr = ep->desc.bmAttributes; | |
1571 | ||
1572 | /* init Endpoints */ | |
1573 | if (vcf[idx] != EP_NOP | |
1574 | && vcf[idx] != EP_NUL) { | |
1575 | switch (attr) { | |
1576 | case USB_ENDPOINT_XFER_INT: | |
1577 | context-> | |
1578 | fifos[cidx]. | |
1579 | pipe = | |
1580 | usb_rcvintpipe | |
1581 | (dev, | |
1582 | ep->desc. | |
1583 | bEndpointAddress); | |
1584 | context-> | |
1585 | fifos[cidx]. | |
1586 | usb_transfer_mode | |
1587 | = USB_INT; | |
1588 | packet_size = | |
1589 | ep->desc. | |
1590 | wMaxPacketSize; | |
1591 | break; | |
1592 | case USB_ENDPOINT_XFER_BULK: | |
1593 | if (ep_addr & 0x80) | |
1594 | context-> | |
1595 | fifos | |
1596 | [cidx]. | |
1597 | pipe = | |
1598 | usb_rcvbulkpipe | |
1599 | (dev, | |
1600 | ep-> | |
1601 | desc. | |
1602 | bEndpointAddress); | |
1603 | else | |
1604 | context-> | |
1605 | fifos | |
1606 | [cidx]. | |
1607 | pipe = | |
1608 | usb_sndbulkpipe | |
1609 | (dev, | |
1610 | ep-> | |
1611 | desc. | |
1612 | bEndpointAddress); | |
1613 | context-> | |
1614 | fifos[cidx]. | |
1615 | usb_transfer_mode | |
1616 | = USB_BULK; | |
1617 | packet_size = | |
1618 | ep->desc. | |
1619 | wMaxPacketSize; | |
1620 | break; | |
1621 | case USB_ENDPOINT_XFER_ISOC: | |
1622 | if (ep_addr & 0x80) | |
1623 | context-> | |
1624 | fifos | |
1625 | [cidx]. | |
1626 | pipe = | |
1627 | usb_rcvisocpipe | |
1628 | (dev, | |
1629 | ep-> | |
1630 | desc. | |
1631 | bEndpointAddress); | |
1632 | else | |
1633 | context-> | |
1634 | fifos | |
1635 | [cidx]. | |
1636 | pipe = | |
1637 | usb_sndisocpipe | |
1638 | (dev, | |
1639 | ep-> | |
1640 | desc. | |
1641 | bEndpointAddress); | |
1642 | context-> | |
1643 | fifos[cidx]. | |
1644 | usb_transfer_mode | |
1645 | = USB_ISOC; | |
1646 | iso_packet_size = | |
1647 | ep->desc. | |
1648 | wMaxPacketSize; | |
1649 | break; | |
1650 | default: | |
1651 | context-> | |
1652 | fifos[cidx]. | |
1653 | pipe = 0; | |
1654 | } /* switch attribute */ | |
1655 | ||
1656 | if (context->fifos[cidx].pipe) { | |
1657 | context->fifos[cidx]. | |
1658 | fifonum = cidx; | |
1659 | context->fifos[cidx].hfc = | |
1660 | context; | |
1661 | context->fifos[cidx]. | |
1662 | usb_packet_maxlen = | |
1663 | ep->desc. | |
1664 | wMaxPacketSize; | |
1665 | context->fifos[cidx]. | |
1666 | intervall = | |
1667 | ep->desc.bInterval; | |
1668 | context->fifos[cidx]. | |
1669 | skbuff = NULL; | |
1670 | } | |
1671 | } | |
1672 | ep++; | |
1673 | } | |
1674 | context->dev = dev; /* save device */ | |
1675 | context->if_used = ifnum; /* save used interface */ | |
1676 | context->alt_used = alt_used; /* and alternate config */ | |
1677 | context->ctrl_paksize = dev->descriptor.bMaxPacketSize0; /* control size */ | |
1678 | context->cfg_used = vcf[16]; /* store used config */ | |
1679 | context->vend_idx = vend_idx; /* store found vendor */ | |
1680 | context->packet_size = packet_size; | |
1681 | context->iso_packet_size = iso_packet_size; | |
1682 | ||
1683 | /* create the control pipes needed for register access */ | |
1684 | context->ctrl_in_pipe = | |
1685 | usb_rcvctrlpipe(context->dev, 0); | |
1686 | context->ctrl_out_pipe = | |
1687 | usb_sndctrlpipe(context->dev, 0); | |
1688 | context->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1689 | ||
1690 | printk(KERN_INFO | |
1691 | "HFC-S USB: detected \"%s\"\n", | |
1692 | vdata[vend_idx].vend_name); | |
1693 | #ifdef CONFIG_HISAX_DEBUG | |
1694 | DBG(USB_DBG, | |
1695 | "HFC-S USB: Endpoint-Config: %s (if=%d alt=%d)\n", | |
1696 | conf_str[small_match], context->if_used, | |
1697 | context->alt_used); | |
1698 | printk(KERN_INFO | |
1699 | "HFC-S USB: E-channel (\"ECHO:\") logging "); | |
1700 | if (validconf[small_match][18]) | |
1701 | printk(" possible\n"); | |
1702 | else | |
1703 | printk("NOT possible\n"); | |
1704 | #endif | |
1705 | /* init the chip and register the driver */ | |
1706 | if (usb_init(context)) { | |
1707 | if (context->ctrl_urb) { | |
1708 | usb_unlink_urb(context->ctrl_urb); | |
1709 | usb_free_urb(context->ctrl_urb); | |
1710 | context->ctrl_urb = NULL; | |
1711 | } | |
1712 | kfree(context); | |
1713 | return (-EIO); | |
1714 | } | |
1715 | usb_set_intfdata(intf, context); | |
1716 | return (0); | |
1717 | } | |
1718 | } else { | |
1719 | printk(KERN_INFO | |
1720 | "HFC-S USB: no valid vendor found in USB descriptor\n"); | |
1721 | } | |
1722 | return (-EIO); | |
1723 | } | |
1724 | ||
1725 | /****************************************************/ | |
1726 | /* function called when an active device is removed */ | |
1727 | /****************************************************/ | |
1728 | static void | |
1729 | hfc_usb_disconnect(struct usb_interface | |
1730 | *intf) | |
1731 | { | |
1732 | hfcusb_data *context = usb_get_intfdata(intf); | |
1733 | int i; | |
1734 | printk(KERN_INFO "HFC-S USB: device disconnect\n"); | |
1735 | context->disc_flag = TRUE; | |
1736 | usb_set_intfdata(intf, NULL); | |
1737 | if (!context) | |
1738 | return; | |
1739 | if (timer_pending(&context->t3_timer)) | |
1740 | del_timer(&context->t3_timer); | |
1741 | if (timer_pending(&context->t4_timer)) | |
1742 | del_timer(&context->t4_timer); | |
1743 | if (timer_pending(&context->led_timer)) | |
1744 | del_timer(&context->led_timer); | |
1745 | /* tell all fifos to terminate */ | |
1746 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1747 | if (context->fifos[i].usb_transfer_mode == USB_ISOC) { | |
1748 | if (context->fifos[i].active > 0) { | |
1749 | stop_isoc_chain(&context->fifos[i]); | |
1750 | #ifdef CONFIG_HISAX_DEBUG | |
1751 | DBG(USB_DBG, | |
1752 | "HFC-S USB: hfc_usb_disconnect: stopping ISOC chain Fifo no %i", | |
1753 | i); | |
1754 | #endif | |
1755 | } | |
1756 | } else { | |
1757 | if (context->fifos[i].active > 0) { | |
1758 | context->fifos[i].active = 0; | |
1759 | #ifdef CONFIG_HISAX_DEBUG | |
1760 | DBG(USB_DBG, | |
1761 | "HFC-S USB: hfc_usb_disconnect: unlinking URB for Fifo no %i", | |
1762 | i); | |
1763 | #endif | |
1764 | } | |
1765 | if (context->fifos[i].urb) { | |
1766 | usb_unlink_urb(context->fifos[i].urb); | |
1767 | usb_free_urb(context->fifos[i].urb); | |
1768 | context->fifos[i].urb = NULL; | |
1769 | } | |
1770 | } | |
1771 | context->fifos[i].active = 0; | |
1772 | } | |
1773 | /* wait for all URBS to terminate */ | |
1774 | mdelay(10); | |
1775 | if (context->ctrl_urb) { | |
1776 | usb_unlink_urb(context->ctrl_urb); | |
1777 | usb_free_urb(context->ctrl_urb); | |
1778 | context->ctrl_urb = NULL; | |
1779 | } | |
1780 | hisax_unregister(&context->d_if); | |
1781 | kfree(context); /* free our structure again */ | |
1782 | } /* hfc_usb_disconnect */ | |
1783 | ||
1784 | /************************************/ | |
1785 | /* our driver information structure */ | |
1786 | /************************************/ | |
1787 | static struct usb_driver hfc_drv = { | |
1788 | .owner = THIS_MODULE,.name = | |
1789 | "hfc_usb",.id_table = hfc_usb_idtab,.probe = | |
1790 | hfc_usb_probe,.disconnect = hfc_usb_disconnect, | |
1791 | }; | |
1792 | static void __exit | |
1793 | hfc_usb_exit(void) | |
1794 | { | |
1795 | #ifdef CONFIG_HISAX_DEBUG | |
1796 | DBG(USB_DBG, "HFC-S USB: calling \"hfc_usb_exit\" ..."); | |
1797 | #endif | |
1798 | usb_deregister(&hfc_drv); /* release our driver */ | |
1799 | printk(KERN_INFO "HFC-S USB: module removed\n"); | |
1800 | } | |
1801 | ||
1802 | static int __init | |
1803 | hfc_usb_init(void) | |
1804 | { | |
1805 | #ifndef CONFIG_HISAX_DEBUG | |
1806 | unsigned int debug = -1; | |
1807 | #endif | |
1808 | char revstr[30], datestr[30], dummy[30]; | |
1809 | sscanf(hfcusb_revision, | |
1810 | "%s %s $ %s %s %s $ ", dummy, revstr, | |
1811 | dummy, datestr, dummy); | |
1812 | printk(KERN_INFO | |
1813 | "HFC-S USB: driver module revision %s date %s loaded, (debug=%i)\n", | |
1814 | revstr, datestr, debug); | |
1815 | if (usb_register(&hfc_drv)) { | |
1816 | printk(KERN_INFO | |
1817 | "HFC-S USB: Unable to register HFC-S USB module at usb stack\n"); | |
1818 | return (-1); /* unable to register */ | |
1819 | } | |
1820 | return (0); | |
1821 | } | |
1822 | ||
1823 | module_init(hfc_usb_init); | |
1824 | module_exit(hfc_usb_exit); | |
1825 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1826 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1827 | MODULE_LICENSE("GPL"); | |
1828 | MODULE_DEVICE_TABLE(usb, hfc_usb_idtab); |