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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> | |
1da177e4 LT |
40 | #include "hisax.h" |
41 | #include "hisax_if.h" | |
42 | #include "hfc_usb.h" | |
43 | ||
1da177e4 | 44 | static const char *hfcusb_revision = |
b05121b2 | 45 | "$Revision: 2.3.2.13 $ $Date: 2006/02/17 17:17:22 $ "; |
1da177e4 LT |
46 | |
47 | /* Hisax debug support | |
48 | * use "modprobe debug=x" where x is bitfield of USB_DBG & ISDN_DBG | |
49 | */ | |
50 | #ifdef CONFIG_HISAX_DEBUG | |
51 | #include <linux/moduleparam.h> | |
52 | #define __debug_variable hfc_debug | |
53 | #include "hisax_debug.h" | |
54 | static u_int debug; | |
55 | module_param(debug, uint, 0); | |
672c3fd9 | 56 | static int hfc_debug; |
1da177e4 LT |
57 | #endif |
58 | ||
597a107b MB |
59 | /* private vendor specific data */ |
60 | typedef struct { | |
61 | __u8 led_scheme; // led display scheme | |
62 | signed short led_bits[8]; // array of 8 possible LED bitmask settings | |
63 | char *vend_name; // device name | |
64 | } hfcsusb_vdata; | |
1da177e4 LT |
65 | |
66 | /****************************************/ | |
67 | /* data defining the devices to be used */ | |
68 | /****************************************/ | |
597a107b MB |
69 | static struct usb_device_id hfcusb_idtab[] = { |
70 | { | |
d6a1a64a | 71 | USB_DEVICE(0x0959, 0x2bd0), |
597a107b MB |
72 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
73 | {LED_OFF, {4, 0, 2, 1}, | |
74 | "ISDN USB TA (Cologne Chip HFC-S USB based)"}), | |
75 | }, | |
76 | { | |
d6a1a64a | 77 | USB_DEVICE(0x0675, 0x1688), |
597a107b MB |
78 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
79 | {LED_SCHEME1, {1, 2, 0, 0}, | |
80 | "DrayTek miniVigor 128 USB ISDN TA"}), | |
81 | }, | |
82 | { | |
d6a1a64a | 83 | USB_DEVICE(0x07b0, 0x0007), |
597a107b MB |
84 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
85 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
86 | "Billion tiny USB ISDN TA 128"}), | |
87 | }, | |
88 | { | |
d6a1a64a | 89 | USB_DEVICE(0x0742, 0x2008), |
597a107b MB |
90 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
91 | {LED_SCHEME1, {4, 0, 2, 1}, | |
92 | "Stollmann USB TA"}), | |
93 | }, | |
94 | { | |
d6a1a64a | 95 | USB_DEVICE(0x0742, 0x2009), |
597a107b MB |
96 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
97 | {LED_SCHEME1, {4, 0, 2, 1}, | |
98 | "Aceex USB ISDN TA"}), | |
99 | }, | |
100 | { | |
d6a1a64a | 101 | USB_DEVICE(0x0742, 0x200A), |
597a107b MB |
102 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
103 | {LED_SCHEME1, {4, 0, 2, 1}, | |
104 | "OEM USB ISDN TA"}), | |
105 | }, | |
106 | { | |
d6a1a64a | 107 | USB_DEVICE(0x08e3, 0x0301), |
597a107b MB |
108 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
109 | {LED_SCHEME1, {2, 0, 1, 4}, | |
110 | "Olitec USB RNIS"}), | |
111 | }, | |
112 | { | |
d6a1a64a | 113 | USB_DEVICE(0x07fa, 0x0846), |
597a107b MB |
114 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
115 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
116 | "Bewan Modem RNIS USB"}), | |
117 | }, | |
118 | { | |
d6a1a64a | 119 | USB_DEVICE(0x07fa, 0x0847), |
597a107b MB |
120 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
121 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
122 | "Djinn Numeris USB"}), | |
123 | }, | |
124 | { | |
d6a1a64a | 125 | USB_DEVICE(0x07b0, 0x0006), |
597a107b MB |
126 | .driver_info = (unsigned long) &((hfcsusb_vdata) |
127 | {LED_SCHEME1, {0x80, -64, -32, -16}, | |
128 | "Twister ISDN TA"}), | |
129 | }, | |
d6a1a64a | 130 | { } |
1da177e4 LT |
131 | }; |
132 | ||
1da177e4 LT |
133 | /***************************************************************/ |
134 | /* structure defining input+output fifos (interrupt/bulk mode) */ | |
135 | /***************************************************************/ | |
136 | struct usb_fifo; /* forward definition */ | |
137 | typedef struct iso_urb_struct { | |
138 | struct urb *purb; | |
139 | __u8 buffer[ISO_BUFFER_SIZE]; /* buffer incoming/outgoing data */ | |
140 | struct usb_fifo *owner_fifo; /* pointer to owner fifo */ | |
141 | } iso_urb_struct; | |
142 | ||
143 | ||
144 | struct hfcusb_data; /* forward definition */ | |
145 | typedef struct usb_fifo { | |
146 | int fifonum; /* fifo index attached to this structure */ | |
147 | int active; /* fifo is currently active */ | |
148 | struct hfcusb_data *hfc; /* pointer to main structure */ | |
149 | int pipe; /* address of endpoint */ | |
150 | __u8 usb_packet_maxlen; /* maximum length for usb transfer */ | |
151 | unsigned int max_size; /* maximum size of receive/send packet */ | |
152 | __u8 intervall; /* interrupt interval */ | |
153 | struct sk_buff *skbuff; /* actual used buffer */ | |
154 | struct urb *urb; /* transfer structure for usb routines */ | |
155 | __u8 buffer[128]; /* buffer incoming/outgoing data */ | |
156 | int bit_line; /* how much bits are in the fifo? */ | |
157 | ||
158 | volatile __u8 usb_transfer_mode; /* switched between ISO and INT */ | |
159 | iso_urb_struct iso[2]; /* need two urbs to have one always for pending */ | |
160 | struct hisax_if *hif; /* hisax interface */ | |
161 | int delete_flg; /* only delete skbuff once */ | |
162 | int last_urblen; /* remember length of last packet */ | |
163 | ||
164 | } usb_fifo; | |
165 | ||
166 | /*********************************************/ | |
167 | /* structure holding all data for one device */ | |
168 | /*********************************************/ | |
169 | typedef struct hfcusb_data { | |
170 | /* HiSax Interface for loadable Layer1 drivers */ | |
171 | struct hisax_d_if d_if; /* see hisax_if.h */ | |
172 | struct hisax_b_if b_if[2]; /* see hisax_if.h */ | |
173 | int protocol; | |
174 | ||
175 | struct usb_device *dev; /* our device */ | |
176 | int if_used; /* used interface number */ | |
177 | int alt_used; /* used alternate config */ | |
178 | int ctrl_paksize; /* control pipe packet size */ | |
179 | int ctrl_in_pipe, ctrl_out_pipe; /* handles for control pipe */ | |
180 | int cfg_used; /* configuration index used */ | |
181 | int vend_idx; /* vendor found */ | |
182 | int b_mode[2]; /* B-channel mode */ | |
183 | int l1_activated; /* layer 1 activated */ | |
a871fe85 | 184 | int disc_flag; /* 'true' if device was disonnected to avoid some USB actions */ |
1da177e4 LT |
185 | int packet_size, iso_packet_size; |
186 | ||
187 | /* control pipe background handling */ | |
188 | ctrl_buft ctrl_buff[HFC_CTRL_BUFSIZE]; /* buffer holding queued data */ | |
189 | volatile int ctrl_in_idx, ctrl_out_idx, ctrl_cnt; /* input/output pointer + count */ | |
190 | struct urb *ctrl_urb; /* transfer structure for control channel */ | |
191 | ||
192 | struct usb_ctrlrequest ctrl_write; /* buffer for control write request */ | |
193 | struct usb_ctrlrequest ctrl_read; /* same for read request */ | |
194 | ||
195 | __u8 old_led_state, led_state, led_new_data, led_b_active; | |
196 | ||
197 | volatile __u8 threshold_mask; /* threshold actually reported */ | |
198 | volatile __u8 bch_enables; /* or mask for sctrl_r and sctrl register values */ | |
199 | ||
200 | usb_fifo fifos[HFCUSB_NUM_FIFOS]; /* structure holding all fifo data */ | |
201 | ||
202 | volatile __u8 l1_state; /* actual l1 state */ | |
203 | struct timer_list t3_timer; /* timer 3 for activation/deactivation */ | |
204 | struct timer_list t4_timer; /* timer 4 for activation/deactivation */ | |
1da177e4 LT |
205 | } hfcusb_data; |
206 | ||
207 | ||
208 | static void collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, | |
209 | int finish); | |
210 | ||
211 | ||
212 | static inline const char * | |
213 | symbolic(struct hfcusb_symbolic_list list[], const int num) | |
214 | { | |
215 | int i; | |
216 | for (i = 0; list[i].name != NULL; i++) | |
217 | if (list[i].num == num) | |
218 | return (list[i].name); | |
b05121b2 | 219 | return "<unknown ERROR>"; |
1da177e4 LT |
220 | } |
221 | ||
222 | ||
223 | /******************************************************/ | |
224 | /* start next background transfer for control channel */ | |
225 | /******************************************************/ | |
226 | static void | |
227 | ctrl_start_transfer(hfcusb_data * hfc) | |
228 | { | |
229 | if (hfc->ctrl_cnt) { | |
230 | hfc->ctrl_urb->pipe = hfc->ctrl_out_pipe; | |
231 | hfc->ctrl_urb->setup_packet = (u_char *) & hfc->ctrl_write; | |
232 | hfc->ctrl_urb->transfer_buffer = NULL; | |
233 | hfc->ctrl_urb->transfer_buffer_length = 0; | |
234 | hfc->ctrl_write.wIndex = | |
b05121b2 | 235 | cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].hfc_reg); |
1da177e4 | 236 | hfc->ctrl_write.wValue = |
b05121b2 | 237 | cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].reg_val); |
1da177e4 LT |
238 | |
239 | usb_submit_urb(hfc->ctrl_urb, GFP_ATOMIC); /* start transfer */ | |
240 | } | |
241 | } /* ctrl_start_transfer */ | |
242 | ||
243 | /************************************/ | |
244 | /* queue a control transfer request */ | |
245 | /* return 0 on success. */ | |
246 | /************************************/ | |
247 | static int | |
248 | queue_control_request(hfcusb_data * hfc, __u8 reg, __u8 val, int action) | |
249 | { | |
250 | ctrl_buft *buf; | |
251 | ||
252 | if (hfc->ctrl_cnt >= HFC_CTRL_BUFSIZE) | |
253 | return (1); /* no space left */ | |
254 | buf = &hfc->ctrl_buff[hfc->ctrl_in_idx]; /* pointer to new index */ | |
255 | buf->hfc_reg = reg; | |
256 | buf->reg_val = val; | |
257 | buf->action = action; | |
258 | if (++hfc->ctrl_in_idx >= HFC_CTRL_BUFSIZE) | |
259 | hfc->ctrl_in_idx = 0; /* pointer wrap */ | |
260 | if (++hfc->ctrl_cnt == 1) | |
261 | ctrl_start_transfer(hfc); | |
262 | return (0); | |
263 | } /* queue_control_request */ | |
264 | ||
265 | static int | |
266 | control_action_handler(hfcusb_data * hfc, int reg, int val, int action) | |
267 | { | |
268 | if (!action) | |
269 | return (1); /* no action defined */ | |
270 | return (0); | |
271 | } | |
272 | ||
273 | /***************************************************************/ | |
274 | /* control completion routine handling background control cmds */ | |
275 | /***************************************************************/ | |
276 | static void | |
7d12e780 | 277 | ctrl_complete(struct urb *urb) |
1da177e4 LT |
278 | { |
279 | hfcusb_data *hfc = (hfcusb_data *) urb->context; | |
280 | ctrl_buft *buf; | |
281 | ||
282 | urb->dev = hfc->dev; | |
283 | if (hfc->ctrl_cnt) { | |
284 | buf = &hfc->ctrl_buff[hfc->ctrl_out_idx]; | |
285 | control_action_handler(hfc, buf->hfc_reg, buf->reg_val, | |
286 | buf->action); | |
287 | ||
288 | hfc->ctrl_cnt--; /* decrement actual count */ | |
289 | if (++hfc->ctrl_out_idx >= HFC_CTRL_BUFSIZE) | |
290 | hfc->ctrl_out_idx = 0; /* pointer wrap */ | |
291 | ||
292 | ctrl_start_transfer(hfc); /* start next transfer */ | |
293 | } | |
294 | } /* ctrl_complete */ | |
295 | ||
296 | /***************************************************/ | |
297 | /* write led data to auxport & invert if necessary */ | |
298 | /***************************************************/ | |
299 | static void | |
300 | write_led(hfcusb_data * hfc, __u8 led_state) | |
301 | { | |
302 | if (led_state != hfc->old_led_state) { | |
303 | hfc->old_led_state = led_state; | |
304 | queue_control_request(hfc, HFCUSB_P_DATA, led_state, 1); | |
305 | } | |
306 | } | |
307 | ||
308 | /**************************/ | |
309 | /* handle LED bits */ | |
310 | /**************************/ | |
311 | static void | |
312 | set_led_bit(hfcusb_data * hfc, signed short led_bits, int unset) | |
313 | { | |
314 | if (unset) { | |
315 | if (led_bits < 0) | |
316 | hfc->led_state |= abs(led_bits); | |
317 | else | |
318 | hfc->led_state &= ~led_bits; | |
319 | } else { | |
320 | if (led_bits < 0) | |
321 | hfc->led_state &= ~abs(led_bits); | |
322 | else | |
323 | hfc->led_state |= led_bits; | |
324 | } | |
325 | } | |
326 | ||
1da177e4 LT |
327 | /**************************/ |
328 | /* handle LED requests */ | |
329 | /**************************/ | |
330 | static void | |
331 | handle_led(hfcusb_data * hfc, int event) | |
332 | { | |
597a107b MB |
333 | hfcsusb_vdata *driver_info = |
334 | (hfcsusb_vdata *) hfcusb_idtab[hfc->vend_idx].driver_info; | |
335 | ||
1da177e4 | 336 | /* if no scheme -> no LED action */ |
597a107b | 337 | if (driver_info->led_scheme == LED_OFF) |
1da177e4 LT |
338 | return; |
339 | ||
340 | switch (event) { | |
341 | case LED_POWER_ON: | |
597a107b | 342 | set_led_bit(hfc, driver_info->led_bits[0], |
1da177e4 | 343 | 0); |
597a107b | 344 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 | 345 | 1); |
597a107b | 346 | set_led_bit(hfc, driver_info->led_bits[2], |
1da177e4 | 347 | 1); |
597a107b | 348 | set_led_bit(hfc, driver_info->led_bits[3], |
1da177e4 LT |
349 | 1); |
350 | break; | |
351 | case LED_POWER_OFF: /* no Power off handling */ | |
352 | break; | |
353 | case LED_S0_ON: | |
597a107b | 354 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 LT |
355 | 0); |
356 | break; | |
357 | case LED_S0_OFF: | |
597a107b | 358 | set_led_bit(hfc, driver_info->led_bits[1], |
1da177e4 LT |
359 | 1); |
360 | break; | |
361 | case LED_B1_ON: | |
597a107b MB |
362 | set_led_bit(hfc, driver_info->led_bits[2], |
363 | 0); | |
1da177e4 LT |
364 | break; |
365 | case LED_B1_OFF: | |
597a107b MB |
366 | set_led_bit(hfc, driver_info->led_bits[2], |
367 | 1); | |
1da177e4 LT |
368 | break; |
369 | case LED_B2_ON: | |
597a107b MB |
370 | set_led_bit(hfc, driver_info->led_bits[3], |
371 | 0); | |
1da177e4 LT |
372 | break; |
373 | case LED_B2_OFF: | |
597a107b MB |
374 | set_led_bit(hfc, driver_info->led_bits[3], |
375 | 1); | |
1da177e4 LT |
376 | break; |
377 | } | |
1da177e4 LT |
378 | write_led(hfc, hfc->led_state); |
379 | } | |
380 | ||
381 | /********************************/ | |
382 | /* called when timer t3 expires */ | |
383 | /********************************/ | |
384 | static void | |
385 | l1_timer_expire_t3(hfcusb_data * hfc) | |
386 | { | |
387 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
388 | NULL); | |
389 | #ifdef CONFIG_HISAX_DEBUG | |
390 | DBG(ISDN_DBG, | |
391 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T3 expire)"); | |
392 | #endif | |
a871fe85 | 393 | hfc->l1_activated = false; |
1da177e4 LT |
394 | handle_led(hfc, LED_S0_OFF); |
395 | /* deactivate : */ | |
396 | queue_control_request(hfc, HFCUSB_STATES, 0x10, 1); | |
397 | queue_control_request(hfc, HFCUSB_STATES, 3, 1); | |
398 | } | |
399 | ||
400 | /********************************/ | |
401 | /* called when timer t4 expires */ | |
402 | /********************************/ | |
403 | static void | |
404 | l1_timer_expire_t4(hfcusb_data * hfc) | |
405 | { | |
406 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, | |
407 | NULL); | |
408 | #ifdef CONFIG_HISAX_DEBUG | |
409 | DBG(ISDN_DBG, | |
410 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T4 expire)"); | |
411 | #endif | |
a871fe85 | 412 | hfc->l1_activated = false; |
1da177e4 LT |
413 | handle_led(hfc, LED_S0_OFF); |
414 | } | |
415 | ||
416 | /*****************************/ | |
417 | /* handle S0 state changes */ | |
418 | /*****************************/ | |
419 | static void | |
420 | state_handler(hfcusb_data * hfc, __u8 state) | |
421 | { | |
422 | __u8 old_state; | |
423 | ||
424 | old_state = hfc->l1_state; | |
425 | if (state == old_state || state < 1 || state > 8) | |
426 | return; | |
427 | ||
428 | #ifdef CONFIG_HISAX_DEBUG | |
429 | DBG(ISDN_DBG, "HFC-S USB: new S0 state:%d old_state:%d", state, | |
430 | old_state); | |
431 | #endif | |
432 | if (state < 4 || state == 7 || state == 8) { | |
433 | if (timer_pending(&hfc->t3_timer)) | |
434 | del_timer(&hfc->t3_timer); | |
435 | #ifdef CONFIG_HISAX_DEBUG | |
436 | DBG(ISDN_DBG, "HFC-S USB: T3 deactivated"); | |
437 | #endif | |
438 | } | |
439 | if (state >= 7) { | |
440 | if (timer_pending(&hfc->t4_timer)) | |
441 | del_timer(&hfc->t4_timer); | |
442 | #ifdef CONFIG_HISAX_DEBUG | |
443 | DBG(ISDN_DBG, "HFC-S USB: T4 deactivated"); | |
444 | #endif | |
445 | } | |
446 | ||
447 | if (state == 7 && !hfc->l1_activated) { | |
448 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
449 | PH_ACTIVATE | INDICATION, NULL); | |
450 | #ifdef CONFIG_HISAX_DEBUG | |
451 | DBG(ISDN_DBG, "HFC-S USB: PH_ACTIVATE | INDICATION sent"); | |
452 | #endif | |
a871fe85 | 453 | hfc->l1_activated = true; |
1da177e4 LT |
454 | handle_led(hfc, LED_S0_ON); |
455 | } else if (state <= 3 /* && activated */ ) { | |
456 | if (old_state == 7 || old_state == 8) { | |
457 | #ifdef CONFIG_HISAX_DEBUG | |
458 | DBG(ISDN_DBG, "HFC-S USB: T4 activated"); | |
459 | #endif | |
460 | if (!timer_pending(&hfc->t4_timer)) { | |
461 | hfc->t4_timer.expires = | |
462 | jiffies + (HFC_TIMER_T4 * HZ) / 1000; | |
463 | add_timer(&hfc->t4_timer); | |
464 | } | |
465 | } else { | |
466 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
467 | PH_DEACTIVATE | INDICATION, | |
468 | NULL); | |
469 | #ifdef CONFIG_HISAX_DEBUG | |
470 | DBG(ISDN_DBG, | |
471 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent"); | |
472 | #endif | |
a871fe85 | 473 | hfc->l1_activated = false; |
1da177e4 LT |
474 | handle_led(hfc, LED_S0_OFF); |
475 | } | |
476 | } | |
477 | hfc->l1_state = state; | |
478 | } | |
479 | ||
480 | /* prepare iso urb */ | |
481 | static void | |
482 | fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, | |
483 | void *buf, int num_packets, int packet_size, int interval, | |
484 | usb_complete_t complete, void *context) | |
485 | { | |
486 | int k; | |
487 | ||
488 | spin_lock_init(&urb->lock); | |
489 | urb->dev = dev; | |
490 | urb->pipe = pipe; | |
491 | urb->complete = complete; | |
492 | urb->number_of_packets = num_packets; | |
493 | urb->transfer_buffer_length = packet_size * num_packets; | |
494 | urb->context = context; | |
495 | urb->transfer_buffer = buf; | |
496 | urb->transfer_flags = URB_ISO_ASAP; | |
497 | urb->actual_length = 0; | |
498 | urb->interval = interval; | |
499 | for (k = 0; k < num_packets; k++) { | |
500 | urb->iso_frame_desc[k].offset = packet_size * k; | |
501 | urb->iso_frame_desc[k].length = packet_size; | |
502 | urb->iso_frame_desc[k].actual_length = 0; | |
503 | } | |
504 | } | |
505 | ||
506 | /* allocs urbs and start isoc transfer with two pending urbs to avoid | |
507 | gaps in the transfer chain */ | |
508 | static int | |
509 | start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, | |
510 | usb_complete_t complete, int packet_size) | |
511 | { | |
512 | int i, k, errcode; | |
513 | ||
514 | printk(KERN_INFO "HFC-S USB: starting ISO-chain for Fifo %i\n", | |
515 | fifo->fifonum); | |
516 | ||
517 | /* allocate Memory for Iso out Urbs */ | |
518 | for (i = 0; i < 2; i++) { | |
519 | if (!(fifo->iso[i].purb)) { | |
520 | fifo->iso[i].purb = | |
521 | usb_alloc_urb(num_packets_per_urb, GFP_KERNEL); | |
522 | if (!(fifo->iso[i].purb)) { | |
523 | printk(KERN_INFO | |
524 | "alloc urb for fifo %i failed!!!", | |
525 | fifo->fifonum); | |
526 | } | |
527 | fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo; | |
528 | ||
529 | /* Init the first iso */ | |
530 | if (ISO_BUFFER_SIZE >= | |
531 | (fifo->usb_packet_maxlen * | |
532 | num_packets_per_urb)) { | |
533 | fill_isoc_urb(fifo->iso[i].purb, | |
534 | fifo->hfc->dev, fifo->pipe, | |
535 | fifo->iso[i].buffer, | |
536 | num_packets_per_urb, | |
537 | fifo->usb_packet_maxlen, | |
538 | fifo->intervall, complete, | |
539 | &fifo->iso[i]); | |
540 | memset(fifo->iso[i].buffer, 0, | |
541 | sizeof(fifo->iso[i].buffer)); | |
542 | /* defining packet delimeters in fifo->buffer */ | |
543 | for (k = 0; k < num_packets_per_urb; k++) { | |
544 | fifo->iso[i].purb-> | |
545 | iso_frame_desc[k].offset = | |
546 | k * packet_size; | |
547 | fifo->iso[i].purb-> | |
548 | iso_frame_desc[k].length = | |
549 | packet_size; | |
550 | } | |
551 | } else { | |
552 | printk(KERN_INFO | |
553 | "HFC-S USB: ISO Buffer size to small!\n"); | |
554 | } | |
555 | } | |
556 | fifo->bit_line = BITLINE_INF; | |
557 | ||
558 | errcode = usb_submit_urb(fifo->iso[i].purb, GFP_KERNEL); | |
559 | fifo->active = (errcode >= 0) ? 1 : 0; | |
560 | if (errcode < 0) { | |
561 | printk(KERN_INFO "HFC-S USB: %s URB nr:%d\n", | |
562 | symbolic(urb_errlist, errcode), i); | |
563 | }; | |
564 | } | |
565 | return (fifo->active); | |
566 | } | |
567 | ||
568 | /* stops running iso chain and frees their pending urbs */ | |
569 | static void | |
570 | stop_isoc_chain(usb_fifo * fifo) | |
571 | { | |
572 | int i; | |
573 | ||
574 | for (i = 0; i < 2; i++) { | |
575 | if (fifo->iso[i].purb) { | |
576 | #ifdef CONFIG_HISAX_DEBUG | |
577 | DBG(USB_DBG, | |
578 | "HFC-S USB: Stopping iso chain for fifo %i.%i", | |
579 | fifo->fifonum, i); | |
580 | #endif | |
581 | usb_unlink_urb(fifo->iso[i].purb); | |
582 | usb_free_urb(fifo->iso[i].purb); | |
583 | fifo->iso[i].purb = NULL; | |
584 | } | |
585 | } | |
586 | if (fifo->urb) { | |
587 | usb_unlink_urb(fifo->urb); | |
588 | usb_free_urb(fifo->urb); | |
589 | fifo->urb = NULL; | |
590 | } | |
591 | fifo->active = 0; | |
592 | } | |
593 | ||
594 | /* defines how much ISO packets are handled in one URB */ | |
595 | static int iso_packets[8] = | |
596 | { ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, | |
597 | ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D | |
598 | }; | |
599 | ||
600 | /*****************************************************/ | |
601 | /* transmit completion routine for all ISO tx fifos */ | |
602 | /*****************************************************/ | |
603 | static void | |
7d12e780 | 604 | tx_iso_complete(struct urb *urb) |
1da177e4 LT |
605 | { |
606 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
607 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
608 | hfcusb_data *hfc = fifo->hfc; | |
609 | int k, tx_offset, num_isoc_packets, sink, len, current_len, | |
610 | errcode; | |
611 | int frame_complete, transp_mode, fifon, status; | |
612 | __u8 threshbit; | |
613 | __u8 threshtable[8] = { 1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80 }; | |
614 | ||
615 | fifon = fifo->fifonum; | |
616 | status = urb->status; | |
617 | ||
618 | tx_offset = 0; | |
619 | ||
620 | if (fifo->active && !status) { | |
621 | transp_mode = 0; | |
622 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
a871fe85 | 623 | transp_mode = true; |
1da177e4 LT |
624 | |
625 | /* is FifoFull-threshold set for our channel? */ | |
626 | threshbit = threshtable[fifon] & hfc->threshold_mask; | |
627 | num_isoc_packets = iso_packets[fifon]; | |
628 | ||
629 | /* predict dataflow to avoid fifo overflow */ | |
630 | if (fifon >= HFCUSB_D_TX) { | |
631 | sink = (threshbit) ? SINK_DMIN : SINK_DMAX; | |
632 | } else { | |
633 | sink = (threshbit) ? SINK_MIN : SINK_MAX; | |
634 | } | |
635 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
636 | context_iso_urb->buffer, num_isoc_packets, | |
637 | fifo->usb_packet_maxlen, fifo->intervall, | |
638 | tx_iso_complete, urb->context); | |
639 | memset(context_iso_urb->buffer, 0, | |
640 | sizeof(context_iso_urb->buffer)); | |
a871fe85 | 641 | frame_complete = false; |
1da177e4 LT |
642 | /* Generate next Iso Packets */ |
643 | for (k = 0; k < num_isoc_packets; ++k) { | |
644 | if (fifo->skbuff) { | |
645 | len = fifo->skbuff->len; | |
646 | /* we lower data margin every msec */ | |
647 | fifo->bit_line -= sink; | |
648 | current_len = (0 - fifo->bit_line) / 8; | |
649 | /* maximum 15 byte for every ISO packet makes our life easier */ | |
650 | if (current_len > 14) | |
651 | current_len = 14; | |
652 | current_len = | |
653 | (len <= | |
654 | current_len) ? len : current_len; | |
655 | /* how much bit do we put on the line? */ | |
656 | fifo->bit_line += current_len * 8; | |
657 | ||
658 | context_iso_urb->buffer[tx_offset] = 0; | |
659 | if (current_len == len) { | |
660 | if (!transp_mode) { | |
661 | /* here frame completion */ | |
662 | context_iso_urb-> | |
663 | buffer[tx_offset] = 1; | |
664 | /* add 2 byte flags and 16bit CRC at end of ISDN frame */ | |
665 | fifo->bit_line += 32; | |
666 | } | |
a871fe85 | 667 | frame_complete = true; |
1da177e4 LT |
668 | } |
669 | ||
670 | memcpy(context_iso_urb->buffer + | |
671 | tx_offset + 1, fifo->skbuff->data, | |
672 | current_len); | |
673 | skb_pull(fifo->skbuff, current_len); | |
674 | ||
675 | /* define packet delimeters within the URB buffer */ | |
676 | urb->iso_frame_desc[k].offset = tx_offset; | |
677 | urb->iso_frame_desc[k].length = | |
678 | current_len + 1; | |
679 | ||
680 | tx_offset += (current_len + 1); | |
1da177e4 LT |
681 | } else { |
682 | urb->iso_frame_desc[k].offset = | |
683 | tx_offset++; | |
684 | ||
685 | urb->iso_frame_desc[k].length = 1; | |
686 | fifo->bit_line -= sink; /* we lower data margin every msec */ | |
687 | ||
688 | if (fifo->bit_line < BITLINE_INF) { | |
689 | fifo->bit_line = BITLINE_INF; | |
690 | } | |
691 | } | |
692 | ||
693 | if (frame_complete) { | |
a871fe85 | 694 | fifo->delete_flg = true; |
1da177e4 LT |
695 | fifo->hif->l1l2(fifo->hif, |
696 | PH_DATA | CONFIRM, | |
17a4506d | 697 | (void *) (unsigned long) fifo->skbuff-> |
1da177e4 LT |
698 | truesize); |
699 | if (fifo->skbuff && fifo->delete_flg) { | |
700 | dev_kfree_skb_any(fifo->skbuff); | |
701 | fifo->skbuff = NULL; | |
a871fe85 | 702 | fifo->delete_flg = false; |
1da177e4 | 703 | } |
a871fe85 | 704 | frame_complete = false; |
1da177e4 LT |
705 | } |
706 | } | |
707 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
708 | if (errcode < 0) { | |
709 | printk(KERN_INFO | |
710 | "HFC-S USB: error submitting ISO URB: %d \n", | |
711 | errcode); | |
712 | } | |
713 | } else { | |
714 | if (status && !hfc->disc_flag) { | |
715 | printk(KERN_INFO | |
716 | "HFC-S USB: tx_iso_complete : urb->status %s (%i), fifonum=%d\n", | |
717 | symbolic(urb_errlist, status), status, | |
718 | fifon); | |
719 | } | |
720 | } | |
721 | } /* tx_iso_complete */ | |
722 | ||
723 | /*****************************************************/ | |
724 | /* receive completion routine for all ISO tx fifos */ | |
725 | /*****************************************************/ | |
726 | static void | |
7d12e780 | 727 | rx_iso_complete(struct urb *urb) |
1da177e4 LT |
728 | { |
729 | iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; | |
730 | usb_fifo *fifo = context_iso_urb->owner_fifo; | |
731 | hfcusb_data *hfc = fifo->hfc; | |
732 | int k, len, errcode, offset, num_isoc_packets, fifon, maxlen, | |
733 | status; | |
734 | unsigned int iso_status; | |
735 | __u8 *buf; | |
736 | static __u8 eof[8]; | |
737 | #ifdef CONFIG_HISAX_DEBUG | |
738 | __u8 i; | |
739 | #endif | |
740 | ||
741 | fifon = fifo->fifonum; | |
742 | status = urb->status; | |
743 | ||
744 | if (urb->status == -EOVERFLOW) { | |
745 | #ifdef CONFIG_HISAX_DEBUG | |
746 | DBG(USB_DBG, | |
747 | "HFC-USB: ignoring USB DATAOVERRUN for fifo %i \n", | |
748 | fifon); | |
749 | #endif | |
750 | status = 0; | |
751 | } | |
752 | if (fifo->active && !status) { | |
753 | num_isoc_packets = iso_packets[fifon]; | |
754 | maxlen = fifo->usb_packet_maxlen; | |
755 | for (k = 0; k < num_isoc_packets; ++k) { | |
756 | len = urb->iso_frame_desc[k].actual_length; | |
757 | offset = urb->iso_frame_desc[k].offset; | |
758 | buf = context_iso_urb->buffer + offset; | |
759 | iso_status = urb->iso_frame_desc[k].status; | |
760 | #ifdef CONFIG_HISAX_DEBUG | |
761 | if (iso_status && !hfc->disc_flag) | |
762 | DBG(USB_DBG, | |
763 | "HFC-S USB: ISO packet failure - status:%x", | |
764 | iso_status); | |
765 | ||
766 | if ((fifon == 5) && (debug > 1)) { | |
767 | printk(KERN_INFO | |
768 | "HFC-S USB: ISO-D-RX lst_urblen:%2d " | |
769 | "act_urblen:%2d max-urblen:%2d " | |
770 | "EOF:0x%0x DATA: ", | |
771 | fifo->last_urblen, len, maxlen, | |
772 | eof[5]); | |
773 | for (i = 0; i < len; i++) | |
774 | printk("%.2x ", buf[i]); | |
775 | printk("\n"); | |
776 | } | |
777 | #endif | |
778 | if (fifo->last_urblen != maxlen) { | |
779 | /* the threshold mask is in the 2nd status byte */ | |
780 | hfc->threshold_mask = buf[1]; | |
781 | /* care for L1 state only for D-Channel | |
782 | to avoid overlapped iso completions */ | |
783 | if (fifon == 5) { | |
784 | /* the S0 state is in the upper half | |
785 | of the 1st status byte */ | |
786 | state_handler(hfc, buf[0] >> 4); | |
787 | } | |
788 | eof[fifon] = buf[0] & 1; | |
789 | if (len > 2) | |
790 | collect_rx_frame(fifo, buf + 2, | |
791 | len - 2, | |
792 | (len < | |
793 | maxlen) ? | |
794 | eof[fifon] : 0); | |
795 | } else { | |
796 | collect_rx_frame(fifo, buf, len, | |
797 | (len < | |
798 | maxlen) ? eof[fifon] : | |
799 | 0); | |
800 | } | |
801 | fifo->last_urblen = len; | |
802 | } | |
803 | ||
804 | fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe, | |
805 | context_iso_urb->buffer, num_isoc_packets, | |
806 | fifo->usb_packet_maxlen, fifo->intervall, | |
807 | rx_iso_complete, urb->context); | |
808 | errcode = usb_submit_urb(urb, GFP_ATOMIC); | |
809 | if (errcode < 0) { | |
810 | printk(KERN_INFO | |
811 | "HFC-S USB: error submitting ISO URB: %d \n", | |
812 | errcode); | |
813 | } | |
814 | } else { | |
815 | if (status && !hfc->disc_flag) { | |
816 | printk(KERN_INFO | |
817 | "HFC-S USB: rx_iso_complete : " | |
818 | "urb->status %d, fifonum %d\n", | |
819 | status, fifon); | |
820 | } | |
821 | } | |
822 | } /* rx_iso_complete */ | |
823 | ||
824 | /*****************************************************/ | |
825 | /* collect data from interrupt or isochron in */ | |
826 | /*****************************************************/ | |
827 | static void | |
828 | collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) | |
829 | { | |
830 | hfcusb_data *hfc = fifo->hfc; | |
831 | int transp_mode, fifon; | |
832 | #ifdef CONFIG_HISAX_DEBUG | |
833 | int i; | |
834 | #endif | |
835 | fifon = fifo->fifonum; | |
836 | transp_mode = 0; | |
837 | if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) | |
a871fe85 | 838 | transp_mode = true; |
1da177e4 LT |
839 | |
840 | if (!fifo->skbuff) { | |
841 | fifo->skbuff = dev_alloc_skb(fifo->max_size + 3); | |
842 | if (!fifo->skbuff) { | |
843 | printk(KERN_INFO | |
844 | "HFC-S USB: cannot allocate buffer (dev_alloc_skb) fifo:%d\n", | |
845 | fifon); | |
846 | return; | |
847 | } | |
848 | } | |
849 | if (len) { | |
850 | if (fifo->skbuff->len + len < fifo->max_size) { | |
851 | memcpy(skb_put(fifo->skbuff, len), data, len); | |
852 | } else { | |
853 | #ifdef CONFIG_HISAX_DEBUG | |
854 | printk(KERN_INFO "HFC-S USB: "); | |
855 | for (i = 0; i < 15; i++) | |
856 | printk("%.2x ", | |
857 | fifo->skbuff->data[fifo->skbuff-> | |
858 | len - 15 + i]); | |
859 | printk("\n"); | |
860 | #endif | |
861 | printk(KERN_INFO | |
862 | "HCF-USB: got frame exceeded fifo->max_size:%d on fifo:%d\n", | |
863 | fifo->max_size, fifon); | |
864 | } | |
865 | } | |
866 | if (transp_mode && fifo->skbuff->len >= 128) { | |
867 | fifo->hif->l1l2(fifo->hif, PH_DATA | INDICATION, | |
868 | fifo->skbuff); | |
869 | fifo->skbuff = NULL; | |
870 | return; | |
871 | } | |
872 | /* we have a complete hdlc packet */ | |
873 | if (finish) { | |
874 | if ((!fifo->skbuff->data[fifo->skbuff->len - 1]) | |
875 | && (fifo->skbuff->len > 3)) { | |
876 | /* remove CRC & status */ | |
877 | skb_trim(fifo->skbuff, fifo->skbuff->len - 3); | |
878 | if (fifon == HFCUSB_PCM_RX) { | |
879 | fifo->hif->l1l2(fifo->hif, | |
880 | PH_DATA_E | INDICATION, | |
881 | fifo->skbuff); | |
882 | } else | |
883 | fifo->hif->l1l2(fifo->hif, | |
884 | PH_DATA | INDICATION, | |
885 | fifo->skbuff); | |
886 | fifo->skbuff = NULL; /* buffer was freed from upper layer */ | |
887 | } else { | |
888 | if (fifo->skbuff->len > 3) { | |
889 | printk(KERN_INFO | |
890 | "HFC-S USB: got frame %d bytes but CRC ERROR on fifo:%d!!!\n", | |
891 | fifo->skbuff->len, fifon); | |
892 | #ifdef CONFIG_HISAX_DEBUG | |
893 | if (debug > 1) { | |
894 | printk(KERN_INFO "HFC-S USB: "); | |
895 | for (i = 0; i < 15; i++) | |
896 | printk("%.2x ", | |
897 | fifo->skbuff-> | |
898 | data[fifo->skbuff-> | |
899 | len - 15 + i]); | |
900 | printk("\n"); | |
901 | } | |
902 | #endif | |
903 | } | |
904 | #ifdef CONFIG_HISAX_DEBUG | |
905 | else { | |
906 | printk(KERN_INFO | |
907 | "HFC-S USB: frame to small (%d bytes)!!!\n", | |
908 | fifo->skbuff->len); | |
909 | } | |
910 | #endif | |
911 | skb_trim(fifo->skbuff, 0); | |
912 | } | |
913 | } | |
1da177e4 LT |
914 | } |
915 | ||
916 | /***********************************************/ | |
917 | /* receive completion routine for all rx fifos */ | |
918 | /***********************************************/ | |
919 | static void | |
7d12e780 | 920 | rx_complete(struct urb *urb) |
1da177e4 LT |
921 | { |
922 | int len; | |
923 | int status; | |
924 | __u8 *buf, maxlen, fifon; | |
925 | usb_fifo *fifo = (usb_fifo *) urb->context; | |
926 | hfcusb_data *hfc = fifo->hfc; | |
927 | static __u8 eof[8]; | |
928 | #ifdef CONFIG_HISAX_DEBUG | |
929 | __u8 i; | |
930 | #endif | |
931 | ||
932 | urb->dev = hfc->dev; /* security init */ | |
933 | ||
934 | fifon = fifo->fifonum; | |
935 | if ((!fifo->active) || (urb->status)) { | |
936 | #ifdef CONFIG_HISAX_DEBUG | |
937 | DBG(USB_DBG, "HFC-S USB: RX-Fifo %i is going down (%i)", | |
938 | fifon, urb->status); | |
939 | #endif | |
940 | fifo->urb->interval = 0; /* cancel automatic rescheduling */ | |
941 | if (fifo->skbuff) { | |
942 | dev_kfree_skb_any(fifo->skbuff); | |
943 | fifo->skbuff = NULL; | |
944 | } | |
945 | return; | |
946 | } | |
947 | len = urb->actual_length; | |
948 | buf = fifo->buffer; | |
949 | maxlen = fifo->usb_packet_maxlen; | |
950 | ||
951 | #ifdef CONFIG_HISAX_DEBUG | |
952 | if ((fifon == 5) && (debug > 1)) { | |
953 | printk(KERN_INFO | |
954 | "HFC-S USB: INT-D-RX lst_urblen:%2d act_urblen:%2d max-urblen:%2d EOF:0x%0x DATA: ", | |
955 | fifo->last_urblen, len, maxlen, eof[5]); | |
956 | for (i = 0; i < len; i++) | |
957 | printk("%.2x ", buf[i]); | |
958 | printk("\n"); | |
959 | } | |
960 | #endif | |
961 | ||
962 | if (fifo->last_urblen != fifo->usb_packet_maxlen) { | |
963 | /* the threshold mask is in the 2nd status byte */ | |
964 | hfc->threshold_mask = buf[1]; | |
965 | /* the S0 state is in the upper half of the 1st status byte */ | |
966 | state_handler(hfc, buf[0] >> 4); | |
967 | eof[fifon] = buf[0] & 1; | |
968 | /* if we have more than the 2 status bytes -> collect data */ | |
969 | if (len > 2) | |
970 | collect_rx_frame(fifo, buf + 2, | |
971 | urb->actual_length - 2, | |
972 | (len < maxlen) ? eof[fifon] : 0); | |
973 | } else { | |
974 | collect_rx_frame(fifo, buf, urb->actual_length, | |
975 | (len < maxlen) ? eof[fifon] : 0); | |
976 | } | |
977 | fifo->last_urblen = urb->actual_length; | |
978 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
979 | if (status) { | |
980 | printk(KERN_INFO | |
981 | "HFC-S USB: error resubmitting URN at rx_complete...\n"); | |
982 | } | |
983 | } /* rx_complete */ | |
984 | ||
985 | /***************************************************/ | |
986 | /* start the interrupt transfer for the given fifo */ | |
987 | /***************************************************/ | |
988 | static void | |
989 | start_int_fifo(usb_fifo * fifo) | |
990 | { | |
991 | int errcode; | |
992 | ||
993 | printk(KERN_INFO "HFC-S USB: starting intr IN fifo:%d\n", | |
994 | fifo->fifonum); | |
995 | ||
996 | if (!fifo->urb) { | |
997 | fifo->urb = usb_alloc_urb(0, GFP_KERNEL); | |
998 | if (!fifo->urb) | |
999 | return; | |
1000 | } | |
1001 | usb_fill_int_urb(fifo->urb, fifo->hfc->dev, fifo->pipe, | |
1002 | fifo->buffer, fifo->usb_packet_maxlen, | |
1003 | rx_complete, fifo, fifo->intervall); | |
1004 | fifo->active = 1; /* must be marked active */ | |
1005 | errcode = usb_submit_urb(fifo->urb, GFP_KERNEL); | |
1006 | if (errcode) { | |
1007 | printk(KERN_INFO | |
1008 | "HFC-S USB: submit URB error(start_int_info): status:%i\n", | |
1009 | errcode); | |
1010 | fifo->active = 0; | |
1011 | fifo->skbuff = NULL; | |
1012 | } | |
1013 | } /* start_int_fifo */ | |
1014 | ||
1015 | /*****************************/ | |
1016 | /* set the B-channel mode */ | |
1017 | /*****************************/ | |
1018 | static void | |
1019 | set_hfcmode(hfcusb_data * hfc, int channel, int mode) | |
1020 | { | |
1021 | __u8 val, idx_table[2] = { 0, 2 }; | |
1022 | ||
1023 | if (hfc->disc_flag) { | |
1024 | return; | |
1025 | } | |
1026 | #ifdef CONFIG_HISAX_DEBUG | |
1027 | DBG(ISDN_DBG, "HFC-S USB: setting channel %d to mode %d", channel, | |
1028 | mode); | |
1029 | #endif | |
1030 | hfc->b_mode[channel] = mode; | |
1031 | ||
1032 | /* setup CON_HDLC */ | |
1033 | val = 0; | |
1034 | if (mode != L1_MODE_NULL) | |
1035 | val = 8; /* enable fifo? */ | |
1036 | if (mode == L1_MODE_TRANS) | |
1037 | val |= 2; /* set transparent bit */ | |
1038 | ||
1039 | /* set FIFO to transmit register */ | |
1040 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel], 1); | |
1041 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1042 | /* reset fifo */ | |
1043 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1044 | /* set FIFO to receive register */ | |
1045 | queue_control_request(hfc, HFCUSB_FIFO, idx_table[channel] + 1, 1); | |
1046 | queue_control_request(hfc, HFCUSB_CON_HDLC, val, 1); | |
1047 | /* reset fifo */ | |
1048 | queue_control_request(hfc, HFCUSB_INC_RES_F, 2, 1); | |
1049 | ||
1050 | val = 0x40; | |
1051 | if (hfc->b_mode[0]) | |
1052 | val |= 1; | |
1053 | if (hfc->b_mode[1]) | |
1054 | val |= 2; | |
1055 | queue_control_request(hfc, HFCUSB_SCTRL, val, 1); | |
1056 | ||
1057 | val = 0; | |
1058 | if (hfc->b_mode[0]) | |
1059 | val |= 1; | |
1060 | if (hfc->b_mode[1]) | |
1061 | val |= 2; | |
1062 | queue_control_request(hfc, HFCUSB_SCTRL_R, val, 1); | |
1063 | ||
1064 | if (mode == L1_MODE_NULL) { | |
1065 | if (channel) | |
1066 | handle_led(hfc, LED_B2_OFF); | |
1067 | else | |
1068 | handle_led(hfc, LED_B1_OFF); | |
1069 | } else { | |
1070 | if (channel) | |
1071 | handle_led(hfc, LED_B2_ON); | |
1072 | else | |
1073 | handle_led(hfc, LED_B1_ON); | |
1074 | } | |
1075 | } | |
1076 | ||
672c3fd9 | 1077 | static void |
1da177e4 LT |
1078 | hfc_usb_l2l1(struct hisax_if *my_hisax_if, int pr, void *arg) |
1079 | { | |
1080 | usb_fifo *fifo = my_hisax_if->priv; | |
1081 | hfcusb_data *hfc = fifo->hfc; | |
1082 | ||
1083 | switch (pr) { | |
1084 | case PH_ACTIVATE | REQUEST: | |
1085 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1086 | #ifdef CONFIG_HISAX_DEBUG | |
1087 | DBG(ISDN_DBG, | |
1088 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_ACTIVATE | REQUEST"); | |
1089 | #endif | |
1090 | if (hfc->l1_state != 3 | |
1091 | && hfc->l1_state != 7) { | |
1092 | hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, | |
1093 | PH_DEACTIVATE | | |
1094 | INDICATION, | |
1095 | NULL); | |
1096 | #ifdef CONFIG_HISAX_DEBUG | |
1097 | DBG(ISDN_DBG, | |
1098 | "HFC-S USB: PH_DEACTIVATE | INDICATION sent (not state 3 or 7)"); | |
1099 | #endif | |
1100 | } else { | |
1101 | if (hfc->l1_state == 7) { /* l1 already active */ | |
1102 | hfc->d_if.ifc.l1l2(&hfc-> | |
1103 | d_if. | |
1104 | ifc, | |
1105 | PH_ACTIVATE | |
1106 | | | |
1107 | INDICATION, | |
1108 | NULL); | |
1109 | #ifdef CONFIG_HISAX_DEBUG | |
1110 | DBG(ISDN_DBG, | |
1111 | "HFC-S USB: PH_ACTIVATE | INDICATION sent again ;)"); | |
1112 | #endif | |
1113 | } else { | |
1114 | /* force sending sending INFO1 */ | |
1115 | queue_control_request(hfc, | |
1116 | HFCUSB_STATES, | |
1117 | 0x14, | |
1118 | 1); | |
1119 | mdelay(1); | |
1120 | /* start l1 activation */ | |
1121 | queue_control_request(hfc, | |
1122 | HFCUSB_STATES, | |
1123 | 0x04, | |
1124 | 1); | |
1125 | if (!timer_pending | |
1126 | (&hfc->t3_timer)) { | |
1127 | hfc->t3_timer. | |
1128 | expires = | |
1129 | jiffies + | |
1130 | (HFC_TIMER_T3 * | |
1131 | HZ) / 1000; | |
1132 | add_timer(&hfc-> | |
1133 | t3_timer); | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | } else { | |
1138 | #ifdef CONFIG_HISAX_DEBUG | |
1139 | DBG(ISDN_DBG, | |
1140 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_ACTIVATE | REQUEST"); | |
1141 | #endif | |
1142 | set_hfcmode(hfc, | |
1143 | (fifo->fifonum == | |
1144 | HFCUSB_B1_TX) ? 0 : 1, | |
17a4506d | 1145 | (long) arg); |
1da177e4 LT |
1146 | fifo->hif->l1l2(fifo->hif, |
1147 | PH_ACTIVATE | INDICATION, | |
1148 | NULL); | |
1149 | } | |
1150 | break; | |
1151 | case PH_DEACTIVATE | REQUEST: | |
1152 | if (fifo->fifonum == HFCUSB_D_TX) { | |
1153 | #ifdef CONFIG_HISAX_DEBUG | |
1154 | DBG(ISDN_DBG, | |
1155 | "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_DEACTIVATE | REQUEST"); | |
1156 | #endif | |
1157 | printk(KERN_INFO | |
1158 | "HFC-S USB: ISDN TE device should not deativate...\n"); | |
1159 | } else { | |
1160 | #ifdef CONFIG_HISAX_DEBUG | |
1161 | DBG(ISDN_DBG, | |
1162 | "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_DEACTIVATE | REQUEST"); | |
1163 | #endif | |
1164 | set_hfcmode(hfc, | |
1165 | (fifo->fifonum == | |
1166 | HFCUSB_B1_TX) ? 0 : 1, | |
1167 | (int) L1_MODE_NULL); | |
1168 | fifo->hif->l1l2(fifo->hif, | |
1169 | PH_DEACTIVATE | INDICATION, | |
1170 | NULL); | |
1171 | } | |
1172 | break; | |
1173 | case PH_DATA | REQUEST: | |
1174 | if (fifo->skbuff && fifo->delete_flg) { | |
1175 | dev_kfree_skb_any(fifo->skbuff); | |
1176 | fifo->skbuff = NULL; | |
a871fe85 | 1177 | fifo->delete_flg = false; |
1da177e4 LT |
1178 | } |
1179 | fifo->skbuff = arg; /* we have a new buffer */ | |
1180 | break; | |
1181 | default: | |
1182 | printk(KERN_INFO | |
1183 | "HFC_USB: hfc_usb_d_l2l1: unkown state : %#x\n", | |
1184 | pr); | |
1185 | break; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | /***************************************************************************/ | |
1190 | /* usb_init is called once when a new matching device is detected to setup */ | |
1191 | /* main parameters. It registers the driver at the main hisax module. */ | |
1192 | /* on success 0 is returned. */ | |
1193 | /***************************************************************************/ | |
1194 | static int | |
1195 | usb_init(hfcusb_data * hfc) | |
1196 | { | |
1197 | usb_fifo *fifo; | |
1198 | int i, err; | |
1199 | u_char b; | |
1200 | struct hisax_b_if *p_b_if[2]; | |
1201 | ||
1202 | /* check the chip id */ | |
1203 | if (read_usb(hfc, HFCUSB_CHIP_ID, &b) != 1) { | |
1204 | printk(KERN_INFO "HFC-USB: cannot read chip id\n"); | |
1205 | return (1); | |
1206 | } | |
1207 | if (b != HFCUSB_CHIPID) { | |
1208 | printk(KERN_INFO "HFC-S USB: Invalid chip id 0x%02x\n", b); | |
1209 | return (1); | |
1210 | } | |
1211 | ||
1212 | /* first set the needed config, interface and alternate */ | |
1213 | err = usb_set_interface(hfc->dev, hfc->if_used, hfc->alt_used); | |
1214 | ||
1215 | /* do Chip reset */ | |
1216 | write_usb(hfc, HFCUSB_CIRM, 8); | |
1217 | /* aux = output, reset off */ | |
1218 | write_usb(hfc, HFCUSB_CIRM, 0x10); | |
1219 | ||
59c51591 | 1220 | /* set USB_SIZE to match the wMaxPacketSize for INT or BULK transfers */ |
1da177e4 LT |
1221 | write_usb(hfc, HFCUSB_USB_SIZE, |
1222 | (hfc->packet_size / 8) | ((hfc->packet_size / 8) << 4)); | |
1223 | ||
59c51591 | 1224 | /* set USB_SIZE_I to match the wMaxPacketSize for ISO transfers */ |
1da177e4 LT |
1225 | write_usb(hfc, HFCUSB_USB_SIZE_I, hfc->iso_packet_size); |
1226 | ||
1227 | /* enable PCM/GCI master mode */ | |
1228 | write_usb(hfc, HFCUSB_MST_MODE1, 0); /* set default values */ | |
1229 | write_usb(hfc, HFCUSB_MST_MODE0, 1); /* enable master mode */ | |
1230 | ||
1231 | /* init the fifos */ | |
1232 | write_usb(hfc, HFCUSB_F_THRES, | |
1233 | (HFCUSB_TX_THRESHOLD / | |
1234 | 8) | ((HFCUSB_RX_THRESHOLD / 8) << 4)); | |
1235 | ||
1236 | fifo = hfc->fifos; | |
1237 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1238 | write_usb(hfc, HFCUSB_FIFO, i); /* select the desired fifo */ | |
1239 | fifo[i].skbuff = NULL; /* init buffer pointer */ | |
1240 | fifo[i].max_size = | |
1241 | (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN; | |
1242 | fifo[i].last_urblen = 0; | |
1243 | /* set 2 bit for D- & E-channel */ | |
1244 | write_usb(hfc, HFCUSB_HDLC_PAR, | |
1245 | ((i <= HFCUSB_B2_RX) ? 0 : 2)); | |
1246 | /* rx hdlc, enable IFF for D-channel */ | |
1247 | write_usb(hfc, HFCUSB_CON_HDLC, | |
1248 | ((i == HFCUSB_D_TX) ? 0x09 : 0x08)); | |
1249 | write_usb(hfc, HFCUSB_INC_RES_F, 2); /* reset the fifo */ | |
1250 | } | |
1251 | ||
1252 | write_usb(hfc, HFCUSB_CLKDEL, 0x0f); /* clock delay value */ | |
1253 | write_usb(hfc, HFCUSB_STATES, 3 | 0x10); /* set deactivated mode */ | |
1254 | write_usb(hfc, HFCUSB_STATES, 3); /* enable state machine */ | |
1255 | ||
1256 | write_usb(hfc, HFCUSB_SCTRL_R, 0); /* disable both B receivers */ | |
1257 | write_usb(hfc, HFCUSB_SCTRL, 0x40); /* disable B transmitters + capacitive mode */ | |
1258 | ||
1259 | /* set both B-channel to not connected */ | |
1260 | hfc->b_mode[0] = L1_MODE_NULL; | |
1261 | hfc->b_mode[1] = L1_MODE_NULL; | |
1262 | ||
a871fe85 RK |
1263 | hfc->l1_activated = false; |
1264 | hfc->disc_flag = false; | |
1da177e4 LT |
1265 | hfc->led_state = 0; |
1266 | hfc->led_new_data = 0; | |
1267 | hfc->old_led_state = 0; | |
1268 | ||
1269 | /* init the t3 timer */ | |
1270 | init_timer(&hfc->t3_timer); | |
1271 | hfc->t3_timer.data = (long) hfc; | |
1272 | hfc->t3_timer.function = (void *) l1_timer_expire_t3; | |
1273 | ||
1274 | /* init the t4 timer */ | |
1275 | init_timer(&hfc->t4_timer); | |
1276 | hfc->t4_timer.data = (long) hfc; | |
1277 | hfc->t4_timer.function = (void *) l1_timer_expire_t4; | |
1278 | ||
1da177e4 LT |
1279 | /* init the background machinery for control requests */ |
1280 | hfc->ctrl_read.bRequestType = 0xc0; | |
1281 | hfc->ctrl_read.bRequest = 1; | |
b05121b2 | 1282 | hfc->ctrl_read.wLength = cpu_to_le16(1); |
1da177e4 LT |
1283 | hfc->ctrl_write.bRequestType = 0x40; |
1284 | hfc->ctrl_write.bRequest = 0; | |
1285 | hfc->ctrl_write.wLength = 0; | |
1286 | usb_fill_control_urb(hfc->ctrl_urb, | |
1287 | hfc->dev, | |
1288 | hfc->ctrl_out_pipe, | |
1289 | (u_char *) & hfc->ctrl_write, | |
1290 | NULL, 0, ctrl_complete, hfc); | |
1291 | /* Init All Fifos */ | |
1292 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1293 | hfc->fifos[i].iso[0].purb = NULL; | |
1294 | hfc->fifos[i].iso[1].purb = NULL; | |
1295 | hfc->fifos[i].active = 0; | |
1296 | } | |
1297 | /* register Modul to upper Hisax Layers */ | |
1298 | hfc->d_if.owner = THIS_MODULE; | |
1299 | hfc->d_if.ifc.priv = &hfc->fifos[HFCUSB_D_TX]; | |
1300 | hfc->d_if.ifc.l2l1 = hfc_usb_l2l1; | |
1301 | for (i = 0; i < 2; i++) { | |
1302 | hfc->b_if[i].ifc.priv = &hfc->fifos[HFCUSB_B1_TX + i * 2]; | |
1303 | hfc->b_if[i].ifc.l2l1 = hfc_usb_l2l1; | |
1304 | p_b_if[i] = &hfc->b_if[i]; | |
1305 | } | |
1306 | /* default Prot: EURO ISDN, should be a module_param */ | |
1307 | hfc->protocol = 2; | |
1308 | hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); | |
1309 | ||
1310 | #ifdef CONFIG_HISAX_DEBUG | |
1311 | hfc_debug = debug; | |
1312 | #endif | |
1313 | ||
1314 | for (i = 0; i < 4; i++) | |
1315 | hfc->fifos[i].hif = &p_b_if[i / 2]->ifc; | |
1316 | for (i = 4; i < 8; i++) | |
1317 | hfc->fifos[i].hif = &hfc->d_if.ifc; | |
1318 | ||
1319 | /* 3 (+1) INT IN + 3 ISO OUT */ | |
1320 | if (hfc->cfg_used == CNF_3INT3ISO || hfc->cfg_used == CNF_4INT3ISO) { | |
1321 | start_int_fifo(hfc->fifos + HFCUSB_D_RX); | |
1322 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1323 | start_int_fifo(hfc->fifos + HFCUSB_PCM_RX); | |
1324 | start_int_fifo(hfc->fifos + HFCUSB_B1_RX); | |
1325 | start_int_fifo(hfc->fifos + HFCUSB_B2_RX); | |
1326 | } | |
1327 | /* 3 (+1) ISO IN + 3 ISO OUT */ | |
1328 | if (hfc->cfg_used == CNF_3ISO3ISO || hfc->cfg_used == CNF_4ISO3ISO) { | |
1329 | start_isoc_chain(hfc->fifos + HFCUSB_D_RX, ISOC_PACKETS_D, | |
1330 | rx_iso_complete, 16); | |
1331 | if (hfc->fifos[HFCUSB_PCM_RX].pipe) | |
1332 | start_isoc_chain(hfc->fifos + HFCUSB_PCM_RX, | |
1333 | ISOC_PACKETS_D, rx_iso_complete, | |
1334 | 16); | |
1335 | start_isoc_chain(hfc->fifos + HFCUSB_B1_RX, ISOC_PACKETS_B, | |
1336 | rx_iso_complete, 16); | |
1337 | start_isoc_chain(hfc->fifos + HFCUSB_B2_RX, ISOC_PACKETS_B, | |
1338 | rx_iso_complete, 16); | |
1339 | } | |
1340 | ||
1341 | start_isoc_chain(hfc->fifos + HFCUSB_D_TX, ISOC_PACKETS_D, | |
1342 | tx_iso_complete, 1); | |
1343 | start_isoc_chain(hfc->fifos + HFCUSB_B1_TX, ISOC_PACKETS_B, | |
1344 | tx_iso_complete, 1); | |
1345 | start_isoc_chain(hfc->fifos + HFCUSB_B2_TX, ISOC_PACKETS_B, | |
1346 | tx_iso_complete, 1); | |
1347 | ||
1348 | handle_led(hfc, LED_POWER_ON); | |
1349 | ||
1350 | return (0); | |
1351 | } /* usb_init */ | |
1352 | ||
1353 | /*************************************************/ | |
1354 | /* function called to probe a new plugged device */ | |
1355 | /*************************************************/ | |
1356 | static int | |
1357 | hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1358 | { | |
1359 | struct usb_device *dev = interface_to_usbdev(intf); | |
1360 | hfcusb_data *context; | |
1361 | struct usb_host_interface *iface = intf->cur_altsetting; | |
1362 | struct usb_host_interface *iface_used = NULL; | |
1363 | struct usb_host_endpoint *ep; | |
1364 | int ifnum = iface->desc.bInterfaceNumber; | |
1365 | int i, idx, alt_idx, probe_alt_setting, vend_idx, cfg_used, *vcf, | |
1366 | attr, cfg_found, cidx, ep_addr; | |
1367 | int cmptbl[16], small_match, iso_packet_size, packet_size, | |
1368 | alt_used = 0; | |
597a107b | 1369 | hfcsusb_vdata *driver_info; |
1da177e4 LT |
1370 | |
1371 | vend_idx = 0xffff; | |
597a107b | 1372 | for (i = 0; hfcusb_idtab[i].idVendor; i++) { |
b05121b2 KK |
1373 | if ((le16_to_cpu(dev->descriptor.idVendor) == hfcusb_idtab[i].idVendor) |
1374 | && (le16_to_cpu(dev->descriptor.idProduct) == hfcusb_idtab[i].idProduct)) { | |
1da177e4 | 1375 | vend_idx = i; |
597a107b MB |
1376 | continue; |
1377 | } | |
1da177e4 | 1378 | } |
597a107b | 1379 | |
1da177e4 LT |
1380 | #ifdef CONFIG_HISAX_DEBUG |
1381 | DBG(USB_DBG, | |
1382 | "HFC-USB: probing interface(%d) actalt(%d) minor(%d)\n", ifnum, | |
1383 | iface->desc.bAlternateSetting, intf->minor); | |
1384 | #endif | |
1385 | printk(KERN_INFO | |
1386 | "HFC-S USB: probing interface(%d) actalt(%d) minor(%d)\n", | |
1387 | ifnum, iface->desc.bAlternateSetting, intf->minor); | |
1388 | ||
1389 | if (vend_idx != 0xffff) { | |
1da177e4 LT |
1390 | /* if vendor and product ID is OK, start probing alternate settings */ |
1391 | alt_idx = 0; | |
1392 | small_match = 0xffff; | |
1393 | ||
1394 | /* default settings */ | |
1395 | iso_packet_size = 16; | |
1396 | packet_size = 64; | |
1397 | ||
1398 | while (alt_idx < intf->num_altsetting) { | |
1399 | iface = intf->altsetting + alt_idx; | |
1400 | probe_alt_setting = iface->desc.bAlternateSetting; | |
1401 | cfg_used = 0; | |
1402 | ||
1403 | /* check for config EOL element */ | |
1404 | while (validconf[cfg_used][0]) { | |
a871fe85 | 1405 | cfg_found = true; |
1da177e4 LT |
1406 | vcf = validconf[cfg_used]; |
1407 | /* first endpoint descriptor */ | |
1408 | ep = iface->endpoint; | |
1409 | #ifdef CONFIG_HISAX_DEBUG | |
1410 | DBG(USB_DBG, | |
1411 | "HFC-S USB: (if=%d alt=%d cfg_used=%d)\n", | |
1412 | ifnum, probe_alt_setting, cfg_used); | |
1413 | #endif | |
1414 | memcpy(cmptbl, vcf, 16 * sizeof(int)); | |
1415 | ||
1416 | /* check for all endpoints in this alternate setting */ | |
1417 | for (i = 0; i < iface->desc.bNumEndpoints; | |
1418 | i++) { | |
1419 | ep_addr = | |
1420 | ep->desc.bEndpointAddress; | |
1421 | /* get endpoint base */ | |
1422 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1423 | if (ep_addr & 0x80) | |
1424 | idx++; | |
1425 | attr = ep->desc.bmAttributes; | |
1426 | if (cmptbl[idx] == EP_NUL) { | |
a871fe85 | 1427 | cfg_found = false; |
1da177e4 LT |
1428 | } |
1429 | if (attr == USB_ENDPOINT_XFER_INT | |
1430 | && cmptbl[idx] == EP_INT) | |
1431 | cmptbl[idx] = EP_NUL; | |
1432 | if (attr == USB_ENDPOINT_XFER_BULK | |
1433 | && cmptbl[idx] == EP_BLK) | |
1434 | cmptbl[idx] = EP_NUL; | |
1435 | if (attr == USB_ENDPOINT_XFER_ISOC | |
1436 | && cmptbl[idx] == EP_ISO) | |
1437 | cmptbl[idx] = EP_NUL; | |
1438 | ||
1439 | /* check if all INT endpoints match minimum interval */ | |
1440 | if (attr == USB_ENDPOINT_XFER_INT | |
1441 | && ep->desc.bInterval < | |
1442 | vcf[17]) { | |
1443 | #ifdef CONFIG_HISAX_DEBUG | |
1444 | if (cfg_found) | |
1445 | DBG(USB_DBG, | |
1446 | "HFC-S USB: Interrupt Endpoint interval < %d found - skipping config", | |
1447 | vcf[17]); | |
1448 | #endif | |
a871fe85 | 1449 | cfg_found = false; |
1da177e4 LT |
1450 | } |
1451 | ep++; | |
1452 | } | |
1453 | for (i = 0; i < 16; i++) { | |
1454 | /* all entries must be EP_NOP or EP_NUL for a valid config */ | |
1455 | if (cmptbl[i] != EP_NOP | |
1456 | && cmptbl[i] != EP_NUL) | |
a871fe85 | 1457 | cfg_found = false; |
1da177e4 LT |
1458 | } |
1459 | if (cfg_found) { | |
1460 | if (cfg_used < small_match) { | |
1461 | small_match = cfg_used; | |
1462 | alt_used = | |
1463 | probe_alt_setting; | |
1464 | iface_used = iface; | |
1465 | } | |
1466 | #ifdef CONFIG_HISAX_DEBUG | |
1467 | DBG(USB_DBG, | |
1468 | "HFC-USB: small_match=%x %x\n", | |
1469 | small_match, alt_used); | |
1470 | #endif | |
1471 | } | |
1472 | cfg_used++; | |
1473 | } | |
1474 | alt_idx++; | |
1475 | } /* (alt_idx < intf->num_altsetting) */ | |
1476 | ||
1477 | /* found a valid USB Ta Endpint config */ | |
1478 | if (small_match != 0xffff) { | |
1479 | iface = iface_used; | |
1480 | if (! | |
1481 | (context = | |
41f96935 | 1482 | kzalloc(sizeof(hfcusb_data), GFP_KERNEL))) |
1da177e4 | 1483 | return (-ENOMEM); /* got no mem */ |
1da177e4 LT |
1484 | |
1485 | ep = iface->endpoint; | |
1486 | vcf = validconf[small_match]; | |
1487 | ||
1488 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { | |
1489 | ep_addr = ep->desc.bEndpointAddress; | |
1490 | /* get endpoint base */ | |
1491 | idx = ((ep_addr & 0x7f) - 1) * 2; | |
1492 | if (ep_addr & 0x80) | |
1493 | idx++; | |
1494 | cidx = idx & 7; | |
1495 | attr = ep->desc.bmAttributes; | |
1496 | ||
1497 | /* init Endpoints */ | |
1498 | if (vcf[idx] != EP_NOP | |
1499 | && vcf[idx] != EP_NUL) { | |
1500 | switch (attr) { | |
1501 | case USB_ENDPOINT_XFER_INT: | |
1502 | context-> | |
1503 | fifos[cidx]. | |
1504 | pipe = | |
1505 | usb_rcvintpipe | |
1506 | (dev, | |
1507 | ep->desc. | |
1508 | bEndpointAddress); | |
1509 | context-> | |
1510 | fifos[cidx]. | |
1511 | usb_transfer_mode | |
1512 | = USB_INT; | |
1513 | packet_size = | |
b05121b2 | 1514 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1515 | break; |
1516 | case USB_ENDPOINT_XFER_BULK: | |
1517 | if (ep_addr & 0x80) | |
1518 | context-> | |
1519 | fifos | |
1520 | [cidx]. | |
1521 | pipe = | |
1522 | usb_rcvbulkpipe | |
1523 | (dev, | |
1524 | ep-> | |
1525 | desc. | |
1526 | bEndpointAddress); | |
1527 | else | |
1528 | context-> | |
1529 | fifos | |
1530 | [cidx]. | |
1531 | pipe = | |
1532 | usb_sndbulkpipe | |
1533 | (dev, | |
1534 | ep-> | |
1535 | desc. | |
1536 | bEndpointAddress); | |
1537 | context-> | |
1538 | fifos[cidx]. | |
1539 | usb_transfer_mode | |
1540 | = USB_BULK; | |
1541 | packet_size = | |
b05121b2 | 1542 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1543 | break; |
1544 | case USB_ENDPOINT_XFER_ISOC: | |
1545 | if (ep_addr & 0x80) | |
1546 | context-> | |
1547 | fifos | |
1548 | [cidx]. | |
1549 | pipe = | |
1550 | usb_rcvisocpipe | |
1551 | (dev, | |
1552 | ep-> | |
1553 | desc. | |
1554 | bEndpointAddress); | |
1555 | else | |
1556 | context-> | |
1557 | fifos | |
1558 | [cidx]. | |
1559 | pipe = | |
1560 | usb_sndisocpipe | |
1561 | (dev, | |
1562 | ep-> | |
1563 | desc. | |
1564 | bEndpointAddress); | |
1565 | context-> | |
1566 | fifos[cidx]. | |
1567 | usb_transfer_mode | |
1568 | = USB_ISOC; | |
1569 | iso_packet_size = | |
b05121b2 | 1570 | le16_to_cpu(ep->desc.wMaxPacketSize); |
1da177e4 LT |
1571 | break; |
1572 | default: | |
1573 | context-> | |
1574 | fifos[cidx]. | |
1575 | pipe = 0; | |
1576 | } /* switch attribute */ | |
1577 | ||
1578 | if (context->fifos[cidx].pipe) { | |
1579 | context->fifos[cidx]. | |
1580 | fifonum = cidx; | |
1581 | context->fifos[cidx].hfc = | |
1582 | context; | |
b05121b2 KK |
1583 | context->fifos[cidx].usb_packet_maxlen = |
1584 | le16_to_cpu(ep->desc.wMaxPacketSize); | |
1da177e4 LT |
1585 | context->fifos[cidx]. |
1586 | intervall = | |
1587 | ep->desc.bInterval; | |
1588 | context->fifos[cidx]. | |
1589 | skbuff = NULL; | |
1590 | } | |
1591 | } | |
1592 | ep++; | |
1593 | } | |
1594 | context->dev = dev; /* save device */ | |
1595 | context->if_used = ifnum; /* save used interface */ | |
1596 | context->alt_used = alt_used; /* and alternate config */ | |
1597 | context->ctrl_paksize = dev->descriptor.bMaxPacketSize0; /* control size */ | |
1598 | context->cfg_used = vcf[16]; /* store used config */ | |
1599 | context->vend_idx = vend_idx; /* store found vendor */ | |
1600 | context->packet_size = packet_size; | |
1601 | context->iso_packet_size = iso_packet_size; | |
1602 | ||
1603 | /* create the control pipes needed for register access */ | |
1604 | context->ctrl_in_pipe = | |
1605 | usb_rcvctrlpipe(context->dev, 0); | |
1606 | context->ctrl_out_pipe = | |
1607 | usb_sndctrlpipe(context->dev, 0); | |
1608 | context->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1609 | ||
597a107b MB |
1610 | driver_info = |
1611 | (hfcsusb_vdata *) hfcusb_idtab[vend_idx]. | |
1612 | driver_info; | |
1613 | printk(KERN_INFO "HFC-S USB: detected \"%s\"\n", | |
1614 | driver_info->vend_name); | |
1da177e4 LT |
1615 | #ifdef CONFIG_HISAX_DEBUG |
1616 | DBG(USB_DBG, | |
1617 | "HFC-S USB: Endpoint-Config: %s (if=%d alt=%d)\n", | |
1618 | conf_str[small_match], context->if_used, | |
1619 | context->alt_used); | |
1620 | printk(KERN_INFO | |
1621 | "HFC-S USB: E-channel (\"ECHO:\") logging "); | |
1622 | if (validconf[small_match][18]) | |
1623 | printk(" possible\n"); | |
1624 | else | |
1625 | printk("NOT possible\n"); | |
1626 | #endif | |
1627 | /* init the chip and register the driver */ | |
1628 | if (usb_init(context)) { | |
1629 | if (context->ctrl_urb) { | |
1630 | usb_unlink_urb(context->ctrl_urb); | |
1631 | usb_free_urb(context->ctrl_urb); | |
1632 | context->ctrl_urb = NULL; | |
1633 | } | |
1634 | kfree(context); | |
1635 | return (-EIO); | |
1636 | } | |
1637 | usb_set_intfdata(intf, context); | |
1638 | return (0); | |
1639 | } | |
1640 | } else { | |
1641 | printk(KERN_INFO | |
1642 | "HFC-S USB: no valid vendor found in USB descriptor\n"); | |
1643 | } | |
1644 | return (-EIO); | |
1645 | } | |
1646 | ||
1647 | /****************************************************/ | |
1648 | /* function called when an active device is removed */ | |
1649 | /****************************************************/ | |
1650 | static void | |
1651 | hfc_usb_disconnect(struct usb_interface | |
1652 | *intf) | |
1653 | { | |
1654 | hfcusb_data *context = usb_get_intfdata(intf); | |
1655 | int i; | |
1656 | printk(KERN_INFO "HFC-S USB: device disconnect\n"); | |
a871fe85 | 1657 | context->disc_flag = true; |
1da177e4 LT |
1658 | usb_set_intfdata(intf, NULL); |
1659 | if (!context) | |
1660 | return; | |
1661 | if (timer_pending(&context->t3_timer)) | |
1662 | del_timer(&context->t3_timer); | |
1663 | if (timer_pending(&context->t4_timer)) | |
1664 | del_timer(&context->t4_timer); | |
1da177e4 LT |
1665 | /* tell all fifos to terminate */ |
1666 | for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { | |
1667 | if (context->fifos[i].usb_transfer_mode == USB_ISOC) { | |
1668 | if (context->fifos[i].active > 0) { | |
1669 | stop_isoc_chain(&context->fifos[i]); | |
1670 | #ifdef CONFIG_HISAX_DEBUG | |
1671 | DBG(USB_DBG, | |
1672 | "HFC-S USB: hfc_usb_disconnect: stopping ISOC chain Fifo no %i", | |
1673 | i); | |
1674 | #endif | |
1675 | } | |
1676 | } else { | |
1677 | if (context->fifos[i].active > 0) { | |
1678 | context->fifos[i].active = 0; | |
1679 | #ifdef CONFIG_HISAX_DEBUG | |
1680 | DBG(USB_DBG, | |
1681 | "HFC-S USB: hfc_usb_disconnect: unlinking URB for Fifo no %i", | |
1682 | i); | |
1683 | #endif | |
1684 | } | |
1685 | if (context->fifos[i].urb) { | |
1686 | usb_unlink_urb(context->fifos[i].urb); | |
1687 | usb_free_urb(context->fifos[i].urb); | |
1688 | context->fifos[i].urb = NULL; | |
1689 | } | |
1690 | } | |
1691 | context->fifos[i].active = 0; | |
1692 | } | |
1693 | /* wait for all URBS to terminate */ | |
1694 | mdelay(10); | |
1695 | if (context->ctrl_urb) { | |
1696 | usb_unlink_urb(context->ctrl_urb); | |
1697 | usb_free_urb(context->ctrl_urb); | |
1698 | context->ctrl_urb = NULL; | |
1699 | } | |
1700 | hisax_unregister(&context->d_if); | |
1701 | kfree(context); /* free our structure again */ | |
1702 | } /* hfc_usb_disconnect */ | |
1703 | ||
1704 | /************************************/ | |
1705 | /* our driver information structure */ | |
1706 | /************************************/ | |
1707 | static struct usb_driver hfc_drv = { | |
597a107b MB |
1708 | .name = "hfc_usb", |
1709 | .id_table = hfcusb_idtab, | |
1710 | .probe = hfc_usb_probe, | |
1711 | .disconnect = hfc_usb_disconnect, | |
1da177e4 LT |
1712 | }; |
1713 | static void __exit | |
1714 | hfc_usb_exit(void) | |
1715 | { | |
1716 | #ifdef CONFIG_HISAX_DEBUG | |
1717 | DBG(USB_DBG, "HFC-S USB: calling \"hfc_usb_exit\" ..."); | |
1718 | #endif | |
1719 | usb_deregister(&hfc_drv); /* release our driver */ | |
1720 | printk(KERN_INFO "HFC-S USB: module removed\n"); | |
1721 | } | |
1722 | ||
1723 | static int __init | |
1724 | hfc_usb_init(void) | |
1725 | { | |
1726 | #ifndef CONFIG_HISAX_DEBUG | |
1727 | unsigned int debug = -1; | |
1728 | #endif | |
1729 | char revstr[30], datestr[30], dummy[30]; | |
1730 | sscanf(hfcusb_revision, | |
1731 | "%s %s $ %s %s %s $ ", dummy, revstr, | |
1732 | dummy, datestr, dummy); | |
1733 | printk(KERN_INFO | |
1734 | "HFC-S USB: driver module revision %s date %s loaded, (debug=%i)\n", | |
1735 | revstr, datestr, debug); | |
1736 | if (usb_register(&hfc_drv)) { | |
1737 | printk(KERN_INFO | |
1738 | "HFC-S USB: Unable to register HFC-S USB module at usb stack\n"); | |
1739 | return (-1); /* unable to register */ | |
1740 | } | |
1741 | return (0); | |
1742 | } | |
1743 | ||
1744 | module_init(hfc_usb_init); | |
1745 | module_exit(hfc_usb_exit); | |
1746 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1747 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1748 | MODULE_LICENSE("GPL"); | |
597a107b | 1749 | MODULE_DEVICE_TABLE(usb, hfcusb_idtab); |