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82c29810 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
da2272c9 KK |
2 | /* |
3 | * mISDNisar.c ISAR (Siemens PSB 7110) specific functions | |
4 | * | |
5 | * Author Karsten Keil (keil@isdn4linux.de) | |
6 | * | |
7 | * Copyright 2009 by Karsten Keil <keil@isdn4linux.de> | |
da2272c9 KK |
8 | */ |
9 | ||
10 | /* define this to enable static debug messages, if you kernel supports | |
11 | * dynamic debugging, you should use debugfs for this | |
12 | */ | |
13 | /* #define DEBUG */ | |
14 | ||
5a0e3ad6 | 15 | #include <linux/gfp.h> |
da2272c9 KK |
16 | #include <linux/delay.h> |
17 | #include <linux/vmalloc.h> | |
18 | #include <linux/mISDNhw.h> | |
07a97fe8 | 19 | #include <linux/module.h> |
da2272c9 KK |
20 | #include "isar.h" |
21 | ||
22 | #define ISAR_REV "2.1" | |
23 | ||
24 | MODULE_AUTHOR("Karsten Keil"); | |
25 | MODULE_LICENSE("GPL v2"); | |
26 | MODULE_VERSION(ISAR_REV); | |
27 | ||
28 | #define DEBUG_HW_FIRMWARE_FIFO 0x10000 | |
29 | ||
da2272c9 | 30 | static const u8 faxmodulation[] = {3, 24, 48, 72, 73, 74, 96, 97, 98, 121, |
475be4d8 | 31 | 122, 145, 146}; |
da2272c9 KK |
32 | #define FAXMODCNT 13 |
33 | ||
34 | static void isar_setup(struct isar_hw *); | |
35 | ||
36 | static inline int | |
37 | waitforHIA(struct isar_hw *isar, int timeout) | |
38 | { | |
39 | int t = timeout; | |
40 | u8 val = isar->read_reg(isar->hw, ISAR_HIA); | |
41 | ||
42 | while ((val & 1) && t) { | |
43 | udelay(1); | |
44 | t--; | |
45 | val = isar->read_reg(isar->hw, ISAR_HIA); | |
46 | } | |
47 | pr_debug("%s: HIA after %dus\n", isar->name, timeout - t); | |
48 | return timeout; | |
49 | } | |
50 | ||
51 | /* | |
52 | * send msg to ISAR mailbox | |
53 | * if msg is NULL use isar->buf | |
54 | */ | |
55 | static int | |
56 | send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg) | |
57 | { | |
58 | if (!waitforHIA(isar, 1000)) | |
59 | return 0; | |
60 | pr_debug("send_mbox(%02x,%02x,%d)\n", his, creg, len); | |
61 | isar->write_reg(isar->hw, ISAR_CTRL_H, creg); | |
62 | isar->write_reg(isar->hw, ISAR_CTRL_L, len); | |
63 | isar->write_reg(isar->hw, ISAR_WADR, 0); | |
64 | if (!msg) | |
65 | msg = isar->buf; | |
66 | if (msg && len) { | |
67 | isar->write_fifo(isar->hw, ISAR_MBOX, msg, len); | |
68 | if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) { | |
69 | int l = 0; | |
70 | ||
71 | while (l < (int)len) { | |
72 | hex_dump_to_buffer(msg + l, len - l, 32, 1, | |
475be4d8 | 73 | isar->log, 256, 1); |
da2272c9 | 74 | pr_debug("%s: %s %02x: %s\n", isar->name, |
475be4d8 | 75 | __func__, l, isar->log); |
da2272c9 KK |
76 | l += 32; |
77 | } | |
78 | } | |
79 | } | |
80 | isar->write_reg(isar->hw, ISAR_HIS, his); | |
81 | waitforHIA(isar, 1000); | |
82 | return 1; | |
83 | } | |
84 | ||
85 | /* | |
86 | * receive message from ISAR mailbox | |
87 | * if msg is NULL use isar->buf | |
88 | */ | |
89 | static void | |
90 | rcv_mbox(struct isar_hw *isar, u8 *msg) | |
91 | { | |
92 | if (!msg) | |
93 | msg = isar->buf; | |
94 | isar->write_reg(isar->hw, ISAR_RADR, 0); | |
95 | if (msg && isar->clsb) { | |
96 | isar->read_fifo(isar->hw, ISAR_MBOX, msg, isar->clsb); | |
97 | if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) { | |
98 | int l = 0; | |
99 | ||
100 | while (l < (int)isar->clsb) { | |
101 | hex_dump_to_buffer(msg + l, isar->clsb - l, 32, | |
475be4d8 | 102 | 1, isar->log, 256, 1); |
da2272c9 | 103 | pr_debug("%s: %s %02x: %s\n", isar->name, |
475be4d8 | 104 | __func__, l, isar->log); |
da2272c9 KK |
105 | l += 32; |
106 | } | |
107 | } | |
108 | } | |
109 | isar->write_reg(isar->hw, ISAR_IIA, 0); | |
110 | } | |
111 | ||
112 | static inline void | |
113 | get_irq_infos(struct isar_hw *isar) | |
114 | { | |
115 | isar->iis = isar->read_reg(isar->hw, ISAR_IIS); | |
116 | isar->cmsb = isar->read_reg(isar->hw, ISAR_CTRL_H); | |
117 | isar->clsb = isar->read_reg(isar->hw, ISAR_CTRL_L); | |
118 | pr_debug("%s: rcv_mbox(%02x,%02x,%d)\n", isar->name, | |
475be4d8 | 119 | isar->iis, isar->cmsb, isar->clsb); |
da2272c9 KK |
120 | } |
121 | ||
122 | /* | |
123 | * poll answer message from ISAR mailbox | |
124 | * should be used only with ISAR IRQs disabled before DSP was started | |
125 | * | |
126 | */ | |
127 | static int | |
128 | poll_mbox(struct isar_hw *isar, int maxdelay) | |
129 | { | |
130 | int t = maxdelay; | |
131 | u8 irq; | |
132 | ||
133 | irq = isar->read_reg(isar->hw, ISAR_IRQBIT); | |
134 | while (t && !(irq & ISAR_IRQSTA)) { | |
135 | udelay(1); | |
136 | t--; | |
137 | } | |
138 | if (t) { | |
139 | get_irq_infos(isar); | |
140 | rcv_mbox(isar, NULL); | |
141 | } | |
142 | pr_debug("%s: pulled %d bytes after %d us\n", | |
475be4d8 | 143 | isar->name, isar->clsb, maxdelay - t); |
da2272c9 KK |
144 | return t; |
145 | } | |
146 | ||
147 | static int | |
148 | ISARVersion(struct isar_hw *isar) | |
149 | { | |
150 | int ver; | |
151 | ||
152 | /* disable ISAR IRQ */ | |
153 | isar->write_reg(isar->hw, ISAR_IRQBIT, 0); | |
154 | isar->buf[0] = ISAR_MSG_HWVER; | |
155 | isar->buf[1] = 0; | |
156 | isar->buf[2] = 1; | |
157 | if (!send_mbox(isar, ISAR_HIS_VNR, 0, 3, NULL)) | |
158 | return -1; | |
159 | if (!poll_mbox(isar, 1000)) | |
160 | return -2; | |
161 | if (isar->iis == ISAR_IIS_VNR) { | |
162 | if (isar->clsb == 1) { | |
163 | ver = isar->buf[0] & 0xf; | |
164 | return ver; | |
165 | } | |
166 | return -3; | |
167 | } | |
168 | return -4; | |
169 | } | |
170 | ||
171 | static int | |
172 | load_firmware(struct isar_hw *isar, const u8 *buf, int size) | |
173 | { | |
174 | u32 saved_debug = isar->ch[0].bch.debug; | |
175 | int ret, cnt; | |
176 | u8 nom, noc; | |
177 | u16 left, val, *sp = (u16 *)buf; | |
178 | u8 *mp; | |
179 | u_long flags; | |
180 | ||
181 | struct { | |
182 | u16 sadr; | |
183 | u16 len; | |
184 | u16 d_key; | |
185 | } blk_head; | |
186 | ||
187 | if (1 != isar->version) { | |
188 | pr_err("%s: ISAR wrong version %d firmware download aborted\n", | |
475be4d8 | 189 | isar->name, isar->version); |
da2272c9 KK |
190 | return -EINVAL; |
191 | } | |
192 | if (!(saved_debug & DEBUG_HW_FIRMWARE_FIFO)) | |
193 | isar->ch[0].bch.debug &= ~DEBUG_HW_BFIFO; | |
194 | pr_debug("%s: load firmware %d words (%d bytes)\n", | |
475be4d8 | 195 | isar->name, size / 2, size); |
da2272c9 KK |
196 | cnt = 0; |
197 | size /= 2; | |
198 | /* disable ISAR IRQ */ | |
199 | spin_lock_irqsave(isar->hwlock, flags); | |
200 | isar->write_reg(isar->hw, ISAR_IRQBIT, 0); | |
201 | spin_unlock_irqrestore(isar->hwlock, flags); | |
202 | while (cnt < size) { | |
203 | blk_head.sadr = le16_to_cpu(*sp++); | |
204 | blk_head.len = le16_to_cpu(*sp++); | |
205 | blk_head.d_key = le16_to_cpu(*sp++); | |
206 | cnt += 3; | |
207 | pr_debug("ISAR firmware block (%#x,%d,%#x)\n", | |
475be4d8 | 208 | blk_head.sadr, blk_head.len, blk_head.d_key & 0xff); |
da2272c9 KK |
209 | left = blk_head.len; |
210 | if (cnt + left > size) { | |
211 | pr_info("%s: firmware error have %d need %d words\n", | |
212 | isar->name, size, cnt + left); | |
213 | ret = -EINVAL; | |
214 | goto reterrflg; | |
215 | } | |
216 | spin_lock_irqsave(isar->hwlock, flags); | |
217 | if (!send_mbox(isar, ISAR_HIS_DKEY, blk_head.d_key & 0xff, | |
475be4d8 | 218 | 0, NULL)) { |
da2272c9 KK |
219 | pr_info("ISAR send_mbox dkey failed\n"); |
220 | ret = -ETIME; | |
221 | goto reterror; | |
222 | } | |
223 | if (!poll_mbox(isar, 1000)) { | |
257daba4 | 224 | pr_warn("ISAR poll_mbox dkey failed\n"); |
da2272c9 KK |
225 | ret = -ETIME; |
226 | goto reterror; | |
227 | } | |
228 | spin_unlock_irqrestore(isar->hwlock, flags); | |
229 | if ((isar->iis != ISAR_IIS_DKEY) || isar->cmsb || isar->clsb) { | |
230 | pr_info("ISAR wrong dkey response (%x,%x,%x)\n", | |
231 | isar->iis, isar->cmsb, isar->clsb); | |
232 | ret = 1; | |
233 | goto reterrflg; | |
234 | } | |
235 | while (left > 0) { | |
236 | if (left > 126) | |
237 | noc = 126; | |
238 | else | |
239 | noc = left; | |
240 | nom = (2 * noc) + 3; | |
241 | mp = isar->buf; | |
242 | /* the ISAR is big endian */ | |
243 | *mp++ = blk_head.sadr >> 8; | |
244 | *mp++ = blk_head.sadr & 0xFF; | |
245 | left -= noc; | |
246 | cnt += noc; | |
247 | *mp++ = noc; | |
248 | pr_debug("%s: load %3d words at %04x\n", isar->name, | |
475be4d8 | 249 | noc, blk_head.sadr); |
da2272c9 KK |
250 | blk_head.sadr += noc; |
251 | while (noc) { | |
252 | val = le16_to_cpu(*sp++); | |
253 | *mp++ = val >> 8; | |
ad65ffd1 | 254 | *mp++ = val & 0xFF; |
da2272c9 KK |
255 | noc--; |
256 | } | |
257 | spin_lock_irqsave(isar->hwlock, flags); | |
258 | if (!send_mbox(isar, ISAR_HIS_FIRM, 0, nom, NULL)) { | |
259 | pr_info("ISAR send_mbox prog failed\n"); | |
260 | ret = -ETIME; | |
261 | goto reterror; | |
262 | } | |
263 | if (!poll_mbox(isar, 1000)) { | |
264 | pr_info("ISAR poll_mbox prog failed\n"); | |
265 | ret = -ETIME; | |
266 | goto reterror; | |
267 | } | |
268 | spin_unlock_irqrestore(isar->hwlock, flags); | |
269 | if ((isar->iis != ISAR_IIS_FIRM) || | |
270 | isar->cmsb || isar->clsb) { | |
271 | pr_info("ISAR wrong prog response (%x,%x,%x)\n", | |
272 | isar->iis, isar->cmsb, isar->clsb); | |
273 | ret = -EIO; | |
274 | goto reterrflg; | |
275 | } | |
276 | } | |
277 | pr_debug("%s: ISAR firmware block %d words loaded\n", | |
475be4d8 | 278 | isar->name, blk_head.len); |
da2272c9 KK |
279 | } |
280 | isar->ch[0].bch.debug = saved_debug; | |
281 | /* 10ms delay */ | |
282 | cnt = 10; | |
283 | while (cnt--) | |
284 | mdelay(1); | |
285 | isar->buf[0] = 0xff; | |
286 | isar->buf[1] = 0xfe; | |
287 | isar->bstat = 0; | |
288 | spin_lock_irqsave(isar->hwlock, flags); | |
289 | if (!send_mbox(isar, ISAR_HIS_STDSP, 0, 2, NULL)) { | |
290 | pr_info("ISAR send_mbox start dsp failed\n"); | |
291 | ret = -ETIME; | |
292 | goto reterror; | |
293 | } | |
294 | if (!poll_mbox(isar, 1000)) { | |
295 | pr_info("ISAR poll_mbox start dsp failed\n"); | |
296 | ret = -ETIME; | |
297 | goto reterror; | |
298 | } | |
299 | if ((isar->iis != ISAR_IIS_STDSP) || isar->cmsb || isar->clsb) { | |
300 | pr_info("ISAR wrong start dsp response (%x,%x,%x)\n", | |
301 | isar->iis, isar->cmsb, isar->clsb); | |
302 | ret = -EIO; | |
303 | goto reterror; | |
304 | } else | |
305 | pr_debug("%s: ISAR start dsp success\n", isar->name); | |
306 | ||
307 | /* NORMAL mode entered */ | |
308 | /* Enable IRQs of ISAR */ | |
309 | isar->write_reg(isar->hw, ISAR_IRQBIT, ISAR_IRQSTA); | |
310 | spin_unlock_irqrestore(isar->hwlock, flags); | |
311 | cnt = 1000; /* max 1s */ | |
312 | while ((!isar->bstat) && cnt) { | |
313 | mdelay(1); | |
314 | cnt--; | |
315 | } | |
316 | if (!cnt) { | |
317 | pr_info("ISAR no general status event received\n"); | |
318 | ret = -ETIME; | |
319 | goto reterrflg; | |
320 | } else | |
321 | pr_debug("%s: ISAR general status event %x\n", | |
475be4d8 | 322 | isar->name, isar->bstat); |
da2272c9 KK |
323 | /* 10ms delay */ |
324 | cnt = 10; | |
325 | while (cnt--) | |
326 | mdelay(1); | |
327 | isar->iis = 0; | |
328 | spin_lock_irqsave(isar->hwlock, flags); | |
329 | if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) { | |
330 | pr_info("ISAR send_mbox self tst failed\n"); | |
331 | ret = -ETIME; | |
332 | goto reterror; | |
333 | } | |
334 | spin_unlock_irqrestore(isar->hwlock, flags); | |
335 | cnt = 10000; /* max 100 ms */ | |
336 | while ((isar->iis != ISAR_IIS_DIAG) && cnt) { | |
337 | udelay(10); | |
338 | cnt--; | |
339 | } | |
340 | mdelay(1); | |
341 | if (!cnt) { | |
342 | pr_info("ISAR no self tst response\n"); | |
343 | ret = -ETIME; | |
344 | goto reterrflg; | |
345 | } | |
346 | if ((isar->cmsb == ISAR_CTRL_STST) && (isar->clsb == 1) | |
347 | && (isar->buf[0] == 0)) | |
348 | pr_debug("%s: ISAR selftest OK\n", isar->name); | |
349 | else { | |
350 | pr_info("ISAR selftest not OK %x/%x/%x\n", | |
351 | isar->cmsb, isar->clsb, isar->buf[0]); | |
352 | ret = -EIO; | |
353 | goto reterrflg; | |
354 | } | |
355 | spin_lock_irqsave(isar->hwlock, flags); | |
356 | isar->iis = 0; | |
357 | if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) { | |
358 | pr_info("ISAR RQST SVN failed\n"); | |
359 | ret = -ETIME; | |
360 | goto reterror; | |
361 | } | |
362 | spin_unlock_irqrestore(isar->hwlock, flags); | |
363 | cnt = 30000; /* max 300 ms */ | |
364 | while ((isar->iis != ISAR_IIS_DIAG) && cnt) { | |
365 | udelay(10); | |
366 | cnt--; | |
367 | } | |
368 | mdelay(1); | |
369 | if (!cnt) { | |
370 | pr_info("ISAR no SVN response\n"); | |
371 | ret = -ETIME; | |
372 | goto reterrflg; | |
373 | } else { | |
374 | if ((isar->cmsb == ISAR_CTRL_SWVER) && (isar->clsb == 1)) { | |
375 | pr_notice("%s: ISAR software version %#x\n", | |
475be4d8 | 376 | isar->name, isar->buf[0]); |
da2272c9 KK |
377 | } else { |
378 | pr_info("%s: ISAR wrong swver response (%x,%x)" | |
379 | " cnt(%d)\n", isar->name, isar->cmsb, | |
380 | isar->clsb, cnt); | |
381 | ret = -EIO; | |
382 | goto reterrflg; | |
383 | } | |
384 | } | |
385 | spin_lock_irqsave(isar->hwlock, flags); | |
386 | isar_setup(isar); | |
387 | spin_unlock_irqrestore(isar->hwlock, flags); | |
388 | ret = 0; | |
389 | reterrflg: | |
390 | spin_lock_irqsave(isar->hwlock, flags); | |
391 | reterror: | |
392 | isar->ch[0].bch.debug = saved_debug; | |
393 | if (ret) | |
394 | /* disable ISAR IRQ */ | |
395 | isar->write_reg(isar->hw, ISAR_IRQBIT, 0); | |
396 | spin_unlock_irqrestore(isar->hwlock, flags); | |
397 | return ret; | |
398 | } | |
399 | ||
400 | static inline void | |
401 | deliver_status(struct isar_ch *ch, int status) | |
402 | { | |
403 | pr_debug("%s: HL->LL FAXIND %x\n", ch->is->name, status); | |
404 | _queue_data(&ch->bch.ch, PH_CONTROL_IND, status, 0, NULL, GFP_ATOMIC); | |
405 | } | |
406 | ||
407 | static inline void | |
408 | isar_rcv_frame(struct isar_ch *ch) | |
409 | { | |
7206e659 KK |
410 | u8 *ptr; |
411 | int maxlen; | |
da2272c9 KK |
412 | |
413 | if (!ch->is->clsb) { | |
414 | pr_debug("%s; ISAR zero len frame\n", ch->is->name); | |
415 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
416 | return; | |
417 | } | |
c27b46e7 KK |
418 | if (test_bit(FLG_RX_OFF, &ch->bch.Flags)) { |
419 | ch->bch.dropcnt += ch->is->clsb; | |
420 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
421 | return; | |
422 | } | |
da2272c9 KK |
423 | switch (ch->bch.state) { |
424 | case ISDN_P_NONE: | |
425 | pr_debug("%s: ISAR protocol 0 spurious IIS_RDATA %x/%x/%x\n", | |
475be4d8 | 426 | ch->is->name, ch->is->iis, ch->is->cmsb, ch->is->clsb); |
da2272c9 KK |
427 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
428 | break; | |
429 | case ISDN_P_B_RAW: | |
430 | case ISDN_P_B_L2DTMF: | |
431 | case ISDN_P_B_MODEM_ASYNC: | |
7206e659 KK |
432 | maxlen = bchannel_get_rxbuf(&ch->bch, ch->is->clsb); |
433 | if (maxlen < 0) { | |
257daba4 KW |
434 | pr_warn("%s.B%d: No bufferspace for %d bytes\n", |
435 | ch->is->name, ch->bch.nr, ch->is->clsb); | |
7206e659 KK |
436 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
437 | break; | |
da2272c9 KK |
438 | } |
439 | rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb)); | |
034005a0 | 440 | recv_Bchannel(&ch->bch, 0, false); |
da2272c9 KK |
441 | break; |
442 | case ISDN_P_B_HDLC: | |
7206e659 KK |
443 | maxlen = bchannel_get_rxbuf(&ch->bch, ch->is->clsb); |
444 | if (maxlen < 0) { | |
257daba4 KW |
445 | pr_warn("%s.B%d: No bufferspace for %d bytes\n", |
446 | ch->is->name, ch->bch.nr, ch->is->clsb); | |
da2272c9 | 447 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
da2272c9 KK |
448 | break; |
449 | } | |
450 | if (ch->is->cmsb & HDLC_ERROR) { | |
451 | pr_debug("%s: ISAR frame error %x len %d\n", | |
475be4d8 | 452 | ch->is->name, ch->is->cmsb, ch->is->clsb); |
da2272c9 KK |
453 | #ifdef ERROR_STATISTIC |
454 | if (ch->is->cmsb & HDLC_ERR_RER) | |
455 | ch->bch.err_inv++; | |
456 | if (ch->is->cmsb & HDLC_ERR_CER) | |
457 | ch->bch.err_crc++; | |
458 | #endif | |
459 | skb_trim(ch->bch.rx_skb, 0); | |
460 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
461 | break; | |
462 | } | |
463 | if (ch->is->cmsb & HDLC_FSD) | |
464 | skb_trim(ch->bch.rx_skb, 0); | |
465 | ptr = skb_put(ch->bch.rx_skb, ch->is->clsb); | |
466 | rcv_mbox(ch->is, ptr); | |
467 | if (ch->is->cmsb & HDLC_FED) { | |
468 | if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */ | |
469 | pr_debug("%s: ISAR frame to short %d\n", | |
475be4d8 | 470 | ch->is->name, ch->bch.rx_skb->len); |
da2272c9 KK |
471 | skb_trim(ch->bch.rx_skb, 0); |
472 | break; | |
473 | } | |
474 | skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2); | |
034005a0 | 475 | recv_Bchannel(&ch->bch, 0, false); |
da2272c9 KK |
476 | } |
477 | break; | |
478 | case ISDN_P_B_T30_FAX: | |
479 | if (ch->state != STFAX_ACTIV) { | |
480 | pr_debug("%s: isar_rcv_frame: not ACTIV\n", | |
475be4d8 | 481 | ch->is->name); |
da2272c9 KK |
482 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
483 | if (ch->bch.rx_skb) | |
484 | skb_trim(ch->bch.rx_skb, 0); | |
485 | break; | |
486 | } | |
487 | if (!ch->bch.rx_skb) { | |
488 | ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen, | |
475be4d8 | 489 | GFP_ATOMIC); |
da2272c9 KK |
490 | if (unlikely(!ch->bch.rx_skb)) { |
491 | pr_info("%s: B receive out of memory\n", | |
492 | __func__); | |
493 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
494 | break; | |
495 | } | |
496 | } | |
497 | if (ch->cmd == PCTRL_CMD_FRM) { | |
498 | rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb)); | |
499 | pr_debug("%s: isar_rcv_frame: %d\n", | |
475be4d8 | 500 | ch->is->name, ch->bch.rx_skb->len); |
da2272c9 KK |
501 | if (ch->is->cmsb & SART_NMD) { /* ABORT */ |
502 | pr_debug("%s: isar_rcv_frame: no more data\n", | |
475be4d8 | 503 | ch->is->name); |
da2272c9 KK |
504 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
505 | send_mbox(ch->is, SET_DPS(ch->dpath) | | |
475be4d8 JP |
506 | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, |
507 | 0, NULL); | |
da2272c9 KK |
508 | ch->state = STFAX_ESCAPE; |
509 | /* set_skb_flag(skb, DF_NOMOREDATA); */ | |
510 | } | |
034005a0 | 511 | recv_Bchannel(&ch->bch, 0, false); |
da2272c9 KK |
512 | if (ch->is->cmsb & SART_NMD) |
513 | deliver_status(ch, HW_MOD_NOCARR); | |
514 | break; | |
515 | } | |
516 | if (ch->cmd != PCTRL_CMD_FRH) { | |
517 | pr_debug("%s: isar_rcv_frame: unknown fax mode %x\n", | |
475be4d8 | 518 | ch->is->name, ch->cmd); |
da2272c9 KK |
519 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
520 | if (ch->bch.rx_skb) | |
521 | skb_trim(ch->bch.rx_skb, 0); | |
522 | break; | |
523 | } | |
524 | /* PCTRL_CMD_FRH */ | |
525 | if ((ch->bch.rx_skb->len + ch->is->clsb) > | |
526 | (ch->bch.maxlen + 2)) { | |
527 | pr_info("%s: %s incoming packet too large\n", | |
528 | ch->is->name, __func__); | |
529 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
530 | skb_trim(ch->bch.rx_skb, 0); | |
531 | break; | |
532 | } else if (ch->is->cmsb & HDLC_ERROR) { | |
533 | pr_info("%s: ISAR frame error %x len %d\n", | |
534 | ch->is->name, ch->is->cmsb, ch->is->clsb); | |
535 | skb_trim(ch->bch.rx_skb, 0); | |
536 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
537 | break; | |
538 | } | |
539 | if (ch->is->cmsb & HDLC_FSD) | |
540 | skb_trim(ch->bch.rx_skb, 0); | |
541 | ptr = skb_put(ch->bch.rx_skb, ch->is->clsb); | |
542 | rcv_mbox(ch->is, ptr); | |
543 | if (ch->is->cmsb & HDLC_FED) { | |
544 | if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */ | |
545 | pr_info("%s: ISAR frame to short %d\n", | |
546 | ch->is->name, ch->bch.rx_skb->len); | |
547 | skb_trim(ch->bch.rx_skb, 0); | |
548 | break; | |
549 | } | |
550 | skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2); | |
034005a0 | 551 | recv_Bchannel(&ch->bch, 0, false); |
da2272c9 KK |
552 | } |
553 | if (ch->is->cmsb & SART_NMD) { /* ABORT */ | |
554 | pr_debug("%s: isar_rcv_frame: no more data\n", | |
475be4d8 | 555 | ch->is->name); |
da2272c9 KK |
556 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); |
557 | if (ch->bch.rx_skb) | |
558 | skb_trim(ch->bch.rx_skb, 0); | |
559 | send_mbox(ch->is, SET_DPS(ch->dpath) | | |
475be4d8 | 560 | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL); |
da2272c9 KK |
561 | ch->state = STFAX_ESCAPE; |
562 | deliver_status(ch, HW_MOD_NOCARR); | |
563 | } | |
564 | break; | |
565 | default: | |
566 | pr_info("isar_rcv_frame protocol (%x)error\n", ch->bch.state); | |
567 | ch->is->write_reg(ch->is->hw, ISAR_IIA, 0); | |
568 | break; | |
569 | } | |
570 | } | |
571 | ||
572 | static void | |
573 | isar_fill_fifo(struct isar_ch *ch) | |
574 | { | |
575 | int count; | |
576 | u8 msb; | |
577 | u8 *ptr; | |
578 | ||
6d1ee48f KK |
579 | pr_debug("%s: ch%d tx_skb %d tx_idx %d\n", ch->is->name, ch->bch.nr, |
580 | ch->bch.tx_skb ? ch->bch.tx_skb->len : -1, ch->bch.tx_idx); | |
581 | if (!(ch->is->bstat & | |
582 | (ch->dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2))) | |
583 | return; | |
584 | if (!ch->bch.tx_skb) { | |
585 | if (!test_bit(FLG_TX_EMPTY, &ch->bch.Flags) || | |
586 | (ch->bch.state != ISDN_P_B_RAW)) | |
587 | return; | |
588 | count = ch->mml; | |
589 | /* use the card buffer */ | |
590 | memset(ch->is->buf, ch->bch.fill[0], count); | |
591 | send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, | |
592 | 0, count, ch->is->buf); | |
da2272c9 | 593 | return; |
6d1ee48f | 594 | } |
da2272c9 KK |
595 | count = ch->bch.tx_skb->len - ch->bch.tx_idx; |
596 | if (count <= 0) | |
597 | return; | |
da2272c9 KK |
598 | if (count > ch->mml) { |
599 | msb = 0; | |
600 | count = ch->mml; | |
601 | } else { | |
602 | msb = HDLC_FED; | |
603 | } | |
604 | ptr = ch->bch.tx_skb->data + ch->bch.tx_idx; | |
605 | if (!ch->bch.tx_idx) { | |
606 | pr_debug("%s: frame start\n", ch->is->name); | |
607 | if ((ch->bch.state == ISDN_P_B_T30_FAX) && | |
475be4d8 | 608 | (ch->cmd == PCTRL_CMD_FTH)) { |
da2272c9 KK |
609 | if (count > 1) { |
610 | if ((ptr[0] == 0xff) && (ptr[1] == 0x13)) { | |
611 | /* last frame */ | |
612 | test_and_set_bit(FLG_LASTDATA, | |
475be4d8 | 613 | &ch->bch.Flags); |
da2272c9 | 614 | pr_debug("%s: set LASTDATA\n", |
475be4d8 | 615 | ch->is->name); |
da2272c9 KK |
616 | if (msb == HDLC_FED) |
617 | test_and_set_bit(FLG_DLEETX, | |
475be4d8 | 618 | &ch->bch.Flags); |
da2272c9 KK |
619 | } |
620 | } | |
621 | } | |
622 | msb |= HDLC_FST; | |
623 | } | |
624 | ch->bch.tx_idx += count; | |
625 | switch (ch->bch.state) { | |
626 | case ISDN_P_NONE: | |
627 | pr_info("%s: wrong protocol 0\n", __func__); | |
628 | break; | |
629 | case ISDN_P_B_RAW: | |
630 | case ISDN_P_B_L2DTMF: | |
631 | case ISDN_P_B_MODEM_ASYNC: | |
632 | send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, | |
475be4d8 | 633 | 0, count, ptr); |
da2272c9 KK |
634 | break; |
635 | case ISDN_P_B_HDLC: | |
636 | send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, | |
475be4d8 | 637 | msb, count, ptr); |
da2272c9 KK |
638 | break; |
639 | case ISDN_P_B_T30_FAX: | |
640 | if (ch->state != STFAX_ACTIV) | |
641 | pr_debug("%s: not ACTIV\n", ch->is->name); | |
642 | else if (ch->cmd == PCTRL_CMD_FTH) | |
643 | send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, | |
475be4d8 | 644 | msb, count, ptr); |
da2272c9 KK |
645 | else if (ch->cmd == PCTRL_CMD_FTM) |
646 | send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA, | |
475be4d8 | 647 | 0, count, ptr); |
da2272c9 KK |
648 | else |
649 | pr_debug("%s: not FTH/FTM\n", ch->is->name); | |
650 | break; | |
651 | default: | |
652 | pr_info("%s: protocol(%x) error\n", | |
653 | __func__, ch->bch.state); | |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
658 | static inline struct isar_ch * | |
659 | sel_bch_isar(struct isar_hw *isar, u8 dpath) | |
660 | { | |
661 | struct isar_ch *base = &isar->ch[0]; | |
662 | ||
663 | if ((!dpath) || (dpath > 2)) | |
664 | return NULL; | |
665 | if (base->dpath == dpath) | |
666 | return base; | |
667 | base++; | |
668 | if (base->dpath == dpath) | |
669 | return base; | |
670 | return NULL; | |
671 | } | |
672 | ||
673 | static void | |
674 | send_next(struct isar_ch *ch) | |
675 | { | |
6d1ee48f KK |
676 | pr_debug("%s: %s ch%d tx_skb %d tx_idx %d\n", ch->is->name, __func__, |
677 | ch->bch.nr, ch->bch.tx_skb ? ch->bch.tx_skb->len : -1, | |
678 | ch->bch.tx_idx); | |
da2272c9 KK |
679 | if (ch->bch.state == ISDN_P_B_T30_FAX) { |
680 | if (ch->cmd == PCTRL_CMD_FTH) { | |
681 | if (test_bit(FLG_LASTDATA, &ch->bch.Flags)) { | |
682 | pr_debug("set NMD_DATA\n"); | |
683 | test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); | |
684 | } | |
685 | } else if (ch->cmd == PCTRL_CMD_FTM) { | |
686 | if (test_bit(FLG_DLEETX, &ch->bch.Flags)) { | |
687 | test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags); | |
688 | test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags); | |
689 | } | |
690 | } | |
691 | } | |
0f817a5e | 692 | dev_kfree_skb(ch->bch.tx_skb); |
8bfddfbe | 693 | if (get_next_bframe(&ch->bch)) { |
da2272c9 | 694 | isar_fill_fifo(ch); |
6d1ee48f KK |
695 | test_and_clear_bit(FLG_TX_EMPTY, &ch->bch.Flags); |
696 | } else if (test_bit(FLG_TX_EMPTY, &ch->bch.Flags)) { | |
697 | isar_fill_fifo(ch); | |
8bfddfbe | 698 | } else { |
da2272c9 KK |
699 | if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) { |
700 | if (test_and_clear_bit(FLG_LASTDATA, | |
475be4d8 | 701 | &ch->bch.Flags)) { |
da2272c9 | 702 | if (test_and_clear_bit(FLG_NMD_DATA, |
475be4d8 | 703 | &ch->bch.Flags)) { |
da2272c9 KK |
704 | u8 zd = 0; |
705 | send_mbox(ch->is, SET_DPS(ch->dpath) | | |
475be4d8 | 706 | ISAR_HIS_SDATA, 0x01, 1, &zd); |
da2272c9 KK |
707 | } |
708 | test_and_set_bit(FLG_LL_OK, &ch->bch.Flags); | |
709 | } else { | |
710 | deliver_status(ch, HW_MOD_CONNECT); | |
711 | } | |
6d1ee48f KK |
712 | } else if (test_bit(FLG_FILLEMPTY, &ch->bch.Flags)) { |
713 | test_and_set_bit(FLG_TX_EMPTY, &ch->bch.Flags); | |
da2272c9 KK |
714 | } |
715 | } | |
716 | } | |
717 | ||
718 | static void | |
719 | check_send(struct isar_hw *isar, u8 rdm) | |
720 | { | |
721 | struct isar_ch *ch; | |
722 | ||
723 | pr_debug("%s: rdm %x\n", isar->name, rdm); | |
724 | if (rdm & BSTAT_RDM1) { | |
725 | ch = sel_bch_isar(isar, 1); | |
726 | if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) { | |
727 | if (ch->bch.tx_skb && (ch->bch.tx_skb->len > | |
475be4d8 | 728 | ch->bch.tx_idx)) |
da2272c9 KK |
729 | isar_fill_fifo(ch); |
730 | else | |
731 | send_next(ch); | |
732 | } | |
733 | } | |
734 | if (rdm & BSTAT_RDM2) { | |
735 | ch = sel_bch_isar(isar, 2); | |
736 | if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) { | |
737 | if (ch->bch.tx_skb && (ch->bch.tx_skb->len > | |
475be4d8 | 738 | ch->bch.tx_idx)) |
da2272c9 KK |
739 | isar_fill_fifo(ch); |
740 | else | |
741 | send_next(ch); | |
742 | } | |
743 | } | |
744 | } | |
745 | ||
05eab4f3 | 746 | static const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200", "NODEF4", |
475be4d8 JP |
747 | "300", "600", "1200", "2400", "4800", "7200", |
748 | "9600nt", "9600t", "12000", "14400", "WRONG"}; | |
05eab4f3 | 749 | static const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21", |
475be4d8 | 750 | "Bell103", "V23", "Bell202", "V17", "V29", "V27ter"}; |
da2272c9 KK |
751 | |
752 | static void | |
753 | isar_pump_status_rsp(struct isar_ch *ch) { | |
754 | u8 ril = ch->is->buf[0]; | |
755 | u8 rim; | |
756 | ||
757 | if (!test_and_clear_bit(ISAR_RATE_REQ, &ch->is->Flags)) | |
758 | return; | |
759 | if (ril > 14) { | |
760 | pr_info("%s: wrong pstrsp ril=%d\n", ch->is->name, ril); | |
761 | ril = 15; | |
762 | } | |
763 | switch (ch->is->buf[1]) { | |
764 | case 0: | |
765 | rim = 0; | |
766 | break; | |
767 | case 0x20: | |
768 | rim = 2; | |
769 | break; | |
770 | case 0x40: | |
771 | rim = 3; | |
772 | break; | |
773 | case 0x41: | |
774 | rim = 4; | |
775 | break; | |
776 | case 0x51: | |
777 | rim = 5; | |
778 | break; | |
779 | case 0x61: | |
780 | rim = 6; | |
781 | break; | |
782 | case 0x71: | |
783 | rim = 7; | |
784 | break; | |
785 | case 0x82: | |
786 | rim = 8; | |
787 | break; | |
788 | case 0x92: | |
789 | rim = 9; | |
790 | break; | |
791 | case 0xa2: | |
792 | rim = 10; | |
793 | break; | |
794 | default: | |
795 | rim = 1; | |
796 | break; | |
797 | } | |
798 | sprintf(ch->conmsg, "%s %s", dmril[ril], dmrim[rim]); | |
799 | pr_debug("%s: pump strsp %s\n", ch->is->name, ch->conmsg); | |
800 | } | |
801 | ||
802 | static void | |
803 | isar_pump_statev_modem(struct isar_ch *ch, u8 devt) { | |
804 | u8 dps = SET_DPS(ch->dpath); | |
805 | ||
806 | switch (devt) { | |
807 | case PSEV_10MS_TIMER: | |
808 | pr_debug("%s: pump stev TIMER\n", ch->is->name); | |
809 | break; | |
810 | case PSEV_CON_ON: | |
811 | pr_debug("%s: pump stev CONNECT\n", ch->is->name); | |
812 | deliver_status(ch, HW_MOD_CONNECT); | |
813 | break; | |
814 | case PSEV_CON_OFF: | |
815 | pr_debug("%s: pump stev NO CONNECT\n", ch->is->name); | |
816 | send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); | |
817 | deliver_status(ch, HW_MOD_NOCARR); | |
818 | break; | |
819 | case PSEV_V24_OFF: | |
820 | pr_debug("%s: pump stev V24 OFF\n", ch->is->name); | |
821 | break; | |
822 | case PSEV_CTS_ON: | |
823 | pr_debug("%s: pump stev CTS ON\n", ch->is->name); | |
824 | break; | |
825 | case PSEV_CTS_OFF: | |
826 | pr_debug("%s pump stev CTS OFF\n", ch->is->name); | |
827 | break; | |
828 | case PSEV_DCD_ON: | |
829 | pr_debug("%s: pump stev CARRIER ON\n", ch->is->name); | |
830 | test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags); | |
831 | send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); | |
832 | break; | |
833 | case PSEV_DCD_OFF: | |
834 | pr_debug("%s: pump stev CARRIER OFF\n", ch->is->name); | |
835 | break; | |
836 | case PSEV_DSR_ON: | |
837 | pr_debug("%s: pump stev DSR ON\n", ch->is->name); | |
838 | break; | |
839 | case PSEV_DSR_OFF: | |
840 | pr_debug("%s: pump stev DSR_OFF\n", ch->is->name); | |
841 | break; | |
842 | case PSEV_REM_RET: | |
843 | pr_debug("%s: pump stev REMOTE RETRAIN\n", ch->is->name); | |
844 | break; | |
845 | case PSEV_REM_REN: | |
846 | pr_debug("%s: pump stev REMOTE RENEGOTIATE\n", ch->is->name); | |
847 | break; | |
848 | case PSEV_GSTN_CLR: | |
849 | pr_debug("%s: pump stev GSTN CLEAR\n", ch->is->name); | |
850 | break; | |
851 | default: | |
af901ca1 | 852 | pr_info("u%s: unknown pump stev %x\n", ch->is->name, devt); |
da2272c9 KK |
853 | break; |
854 | } | |
855 | } | |
856 | ||
857 | static void | |
858 | isar_pump_statev_fax(struct isar_ch *ch, u8 devt) { | |
859 | u8 dps = SET_DPS(ch->dpath); | |
860 | u8 p1; | |
861 | ||
862 | switch (devt) { | |
863 | case PSEV_10MS_TIMER: | |
864 | pr_debug("%s: pump stev TIMER\n", ch->is->name); | |
865 | break; | |
866 | case PSEV_RSP_READY: | |
867 | pr_debug("%s: pump stev RSP_READY\n", ch->is->name); | |
868 | ch->state = STFAX_READY; | |
869 | deliver_status(ch, HW_MOD_READY); | |
870 | #ifdef AUTOCON | |
871 | if (test_bit(BC_FLG_ORIG, &ch->bch.Flags)) | |
872 | isar_pump_cmd(bch, HW_MOD_FRH, 3); | |
873 | else | |
874 | isar_pump_cmd(bch, HW_MOD_FTH, 3); | |
875 | #endif | |
876 | break; | |
877 | case PSEV_LINE_TX_H: | |
878 | if (ch->state == STFAX_LINE) { | |
879 | pr_debug("%s: pump stev LINE_TX_H\n", ch->is->name); | |
880 | ch->state = STFAX_CONT; | |
881 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 882 | PCTRL_CMD_CONT, 0, NULL); |
da2272c9 KK |
883 | } else { |
884 | pr_debug("%s: pump stev LINE_TX_H wrong st %x\n", | |
475be4d8 | 885 | ch->is->name, ch->state); |
da2272c9 KK |
886 | } |
887 | break; | |
888 | case PSEV_LINE_RX_H: | |
889 | if (ch->state == STFAX_LINE) { | |
890 | pr_debug("%s: pump stev LINE_RX_H\n", ch->is->name); | |
891 | ch->state = STFAX_CONT; | |
892 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 893 | PCTRL_CMD_CONT, 0, NULL); |
da2272c9 KK |
894 | } else { |
895 | pr_debug("%s: pump stev LINE_RX_H wrong st %x\n", | |
475be4d8 | 896 | ch->is->name, ch->state); |
da2272c9 KK |
897 | } |
898 | break; | |
899 | case PSEV_LINE_TX_B: | |
900 | if (ch->state == STFAX_LINE) { | |
901 | pr_debug("%s: pump stev LINE_TX_B\n", ch->is->name); | |
902 | ch->state = STFAX_CONT; | |
903 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 904 | PCTRL_CMD_CONT, 0, NULL); |
da2272c9 KK |
905 | } else { |
906 | pr_debug("%s: pump stev LINE_TX_B wrong st %x\n", | |
475be4d8 | 907 | ch->is->name, ch->state); |
da2272c9 KK |
908 | } |
909 | break; | |
910 | case PSEV_LINE_RX_B: | |
911 | if (ch->state == STFAX_LINE) { | |
912 | pr_debug("%s: pump stev LINE_RX_B\n", ch->is->name); | |
913 | ch->state = STFAX_CONT; | |
914 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 915 | PCTRL_CMD_CONT, 0, NULL); |
da2272c9 KK |
916 | } else { |
917 | pr_debug("%s: pump stev LINE_RX_B wrong st %x\n", | |
475be4d8 | 918 | ch->is->name, ch->state); |
da2272c9 KK |
919 | } |
920 | break; | |
921 | case PSEV_RSP_CONN: | |
922 | if (ch->state == STFAX_CONT) { | |
923 | pr_debug("%s: pump stev RSP_CONN\n", ch->is->name); | |
924 | ch->state = STFAX_ACTIV; | |
925 | test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags); | |
926 | send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); | |
927 | if (ch->cmd == PCTRL_CMD_FTH) { | |
928 | int delay = (ch->mod == 3) ? 1000 : 200; | |
929 | /* 1s (200 ms) Flags before data */ | |
930 | if (test_and_set_bit(FLG_FTI_RUN, | |
475be4d8 | 931 | &ch->bch.Flags)) |
da2272c9 KK |
932 | del_timer(&ch->ftimer); |
933 | ch->ftimer.expires = | |
475be4d8 | 934 | jiffies + ((delay * HZ) / 1000); |
da2272c9 | 935 | test_and_set_bit(FLG_LL_CONN, |
475be4d8 | 936 | &ch->bch.Flags); |
da2272c9 KK |
937 | add_timer(&ch->ftimer); |
938 | } else { | |
939 | deliver_status(ch, HW_MOD_CONNECT); | |
940 | } | |
941 | } else { | |
942 | pr_debug("%s: pump stev RSP_CONN wrong st %x\n", | |
475be4d8 | 943 | ch->is->name, ch->state); |
da2272c9 KK |
944 | } |
945 | break; | |
946 | case PSEV_FLAGS_DET: | |
947 | pr_debug("%s: pump stev FLAGS_DET\n", ch->is->name); | |
948 | break; | |
949 | case PSEV_RSP_DISC: | |
950 | pr_debug("%s: pump stev RSP_DISC state(%d)\n", | |
475be4d8 | 951 | ch->is->name, ch->state); |
da2272c9 KK |
952 | if (ch->state == STFAX_ESCAPE) { |
953 | p1 = 5; | |
954 | switch (ch->newcmd) { | |
955 | case 0: | |
956 | ch->state = STFAX_READY; | |
957 | break; | |
958 | case PCTRL_CMD_FTM: | |
959 | p1 = 2; | |
d287c502 | 960 | /* fall through */ |
da2272c9 KK |
961 | case PCTRL_CMD_FTH: |
962 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 963 | PCTRL_CMD_SILON, 1, &p1); |
da2272c9 KK |
964 | ch->state = STFAX_SILDET; |
965 | break; | |
966 | case PCTRL_CMD_FRH: | |
967 | case PCTRL_CMD_FRM: | |
968 | ch->mod = ch->newmod; | |
969 | p1 = ch->newmod; | |
970 | ch->newmod = 0; | |
971 | ch->cmd = ch->newcmd; | |
972 | ch->newcmd = 0; | |
973 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 974 | ch->cmd, 1, &p1); |
da2272c9 KK |
975 | ch->state = STFAX_LINE; |
976 | ch->try_mod = 3; | |
977 | break; | |
978 | default: | |
979 | pr_debug("%s: RSP_DISC unknown newcmd %x\n", | |
475be4d8 | 980 | ch->is->name, ch->newcmd); |
da2272c9 KK |
981 | break; |
982 | } | |
983 | } else if (ch->state == STFAX_ACTIV) { | |
984 | if (test_and_clear_bit(FLG_LL_OK, &ch->bch.Flags)) | |
985 | deliver_status(ch, HW_MOD_OK); | |
986 | else if (ch->cmd == PCTRL_CMD_FRM) | |
987 | deliver_status(ch, HW_MOD_NOCARR); | |
988 | else | |
989 | deliver_status(ch, HW_MOD_FCERROR); | |
990 | ch->state = STFAX_READY; | |
991 | } else if (ch->state != STFAX_SILDET) { | |
992 | /* ignore in STFAX_SILDET */ | |
993 | ch->state = STFAX_READY; | |
994 | deliver_status(ch, HW_MOD_FCERROR); | |
995 | } | |
996 | break; | |
997 | case PSEV_RSP_SILDET: | |
998 | pr_debug("%s: pump stev RSP_SILDET\n", ch->is->name); | |
999 | if (ch->state == STFAX_SILDET) { | |
1000 | ch->mod = ch->newmod; | |
1001 | p1 = ch->newmod; | |
1002 | ch->newmod = 0; | |
1003 | ch->cmd = ch->newcmd; | |
1004 | ch->newcmd = 0; | |
1005 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 1006 | ch->cmd, 1, &p1); |
da2272c9 KK |
1007 | ch->state = STFAX_LINE; |
1008 | ch->try_mod = 3; | |
1009 | } | |
1010 | break; | |
1011 | case PSEV_RSP_SILOFF: | |
1012 | pr_debug("%s: pump stev RSP_SILOFF\n", ch->is->name); | |
1013 | break; | |
1014 | case PSEV_RSP_FCERR: | |
1015 | if (ch->state == STFAX_LINE) { | |
1016 | pr_debug("%s: pump stev RSP_FCERR try %d\n", | |
475be4d8 | 1017 | ch->is->name, ch->try_mod); |
da2272c9 KK |
1018 | if (ch->try_mod--) { |
1019 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, | |
475be4d8 | 1020 | ch->cmd, 1, &ch->mod); |
da2272c9 KK |
1021 | break; |
1022 | } | |
1023 | } | |
1024 | pr_debug("%s: pump stev RSP_FCERR\n", ch->is->name); | |
1025 | ch->state = STFAX_ESCAPE; | |
1026 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, | |
475be4d8 | 1027 | 0, NULL); |
da2272c9 KK |
1028 | deliver_status(ch, HW_MOD_FCERROR); |
1029 | break; | |
1030 | default: | |
1031 | break; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | void | |
1036 | mISDNisar_irq(struct isar_hw *isar) | |
1037 | { | |
1038 | struct isar_ch *ch; | |
1039 | ||
1040 | get_irq_infos(isar); | |
1041 | switch (isar->iis & ISAR_IIS_MSCMSD) { | |
1042 | case ISAR_IIS_RDATA: | |
1043 | ch = sel_bch_isar(isar, isar->iis >> 6); | |
1044 | if (ch) | |
1045 | isar_rcv_frame(ch); | |
1046 | else { | |
1047 | pr_debug("%s: ISAR spurious IIS_RDATA %x/%x/%x\n", | |
475be4d8 JP |
1048 | isar->name, isar->iis, isar->cmsb, |
1049 | isar->clsb); | |
da2272c9 KK |
1050 | isar->write_reg(isar->hw, ISAR_IIA, 0); |
1051 | } | |
1052 | break; | |
1053 | case ISAR_IIS_GSTEV: | |
1054 | isar->write_reg(isar->hw, ISAR_IIA, 0); | |
1055 | isar->bstat |= isar->cmsb; | |
1056 | check_send(isar, isar->cmsb); | |
1057 | break; | |
1058 | case ISAR_IIS_BSTEV: | |
1059 | #ifdef ERROR_STATISTIC | |
1060 | ch = sel_bch_isar(isar, isar->iis >> 6); | |
1061 | if (ch) { | |
1062 | if (isar->cmsb == BSTEV_TBO) | |
1063 | ch->bch.err_tx++; | |
1064 | if (isar->cmsb == BSTEV_RBO) | |
1065 | ch->bch.err_rdo++; | |
1066 | } | |
1067 | #endif | |
1068 | pr_debug("%s: Buffer STEV dpath%d msb(%x)\n", | |
475be4d8 | 1069 | isar->name, isar->iis >> 6, isar->cmsb); |
da2272c9 KK |
1070 | isar->write_reg(isar->hw, ISAR_IIA, 0); |
1071 | break; | |
1072 | case ISAR_IIS_PSTEV: | |
1073 | ch = sel_bch_isar(isar, isar->iis >> 6); | |
1074 | if (ch) { | |
1075 | rcv_mbox(isar, NULL); | |
1076 | if (ch->bch.state == ISDN_P_B_MODEM_ASYNC) | |
1077 | isar_pump_statev_modem(ch, isar->cmsb); | |
1078 | else if (ch->bch.state == ISDN_P_B_T30_FAX) | |
1079 | isar_pump_statev_fax(ch, isar->cmsb); | |
1080 | else if (ch->bch.state == ISDN_P_B_RAW) { | |
1081 | int tt; | |
1082 | tt = isar->cmsb | 0x30; | |
1083 | if (tt == 0x3e) | |
1084 | tt = '*'; | |
1085 | else if (tt == 0x3f) | |
1086 | tt = '#'; | |
1087 | else if (tt > '9') | |
1088 | tt += 7; | |
1089 | tt |= DTMF_TONE_VAL; | |
1090 | _queue_data(&ch->bch.ch, PH_CONTROL_IND, | |
475be4d8 JP |
1091 | MISDN_ID_ANY, sizeof(tt), &tt, |
1092 | GFP_ATOMIC); | |
da2272c9 KK |
1093 | } else |
1094 | pr_debug("%s: ISAR IIS_PSTEV pm %d sta %x\n", | |
475be4d8 JP |
1095 | isar->name, ch->bch.state, |
1096 | isar->cmsb); | |
da2272c9 KK |
1097 | } else { |
1098 | pr_debug("%s: ISAR spurious IIS_PSTEV %x/%x/%x\n", | |
475be4d8 JP |
1099 | isar->name, isar->iis, isar->cmsb, |
1100 | isar->clsb); | |
da2272c9 KK |
1101 | isar->write_reg(isar->hw, ISAR_IIA, 0); |
1102 | } | |
1103 | break; | |
1104 | case ISAR_IIS_PSTRSP: | |
1105 | ch = sel_bch_isar(isar, isar->iis >> 6); | |
1106 | if (ch) { | |
1107 | rcv_mbox(isar, NULL); | |
1108 | isar_pump_status_rsp(ch); | |
1109 | } else { | |
1110 | pr_debug("%s: ISAR spurious IIS_PSTRSP %x/%x/%x\n", | |
475be4d8 JP |
1111 | isar->name, isar->iis, isar->cmsb, |
1112 | isar->clsb); | |
da2272c9 KK |
1113 | isar->write_reg(isar->hw, ISAR_IIA, 0); |
1114 | } | |
1115 | break; | |
1116 | case ISAR_IIS_DIAG: | |
1117 | case ISAR_IIS_BSTRSP: | |
1118 | case ISAR_IIS_IOM2RSP: | |
1119 | rcv_mbox(isar, NULL); | |
1120 | break; | |
1121 | case ISAR_IIS_INVMSG: | |
1122 | rcv_mbox(isar, NULL); | |
1123 | pr_debug("%s: invalid msg his:%x\n", isar->name, isar->cmsb); | |
1124 | break; | |
1125 | default: | |
1126 | rcv_mbox(isar, NULL); | |
1127 | pr_debug("%s: unhandled msg iis(%x) ctrl(%x/%x)\n", | |
475be4d8 | 1128 | isar->name, isar->iis, isar->cmsb, isar->clsb); |
da2272c9 KK |
1129 | break; |
1130 | } | |
1131 | } | |
1132 | EXPORT_SYMBOL(mISDNisar_irq); | |
1133 | ||
1134 | static void | |
e99e88a9 | 1135 | ftimer_handler(struct timer_list *t) |
da2272c9 | 1136 | { |
e99e88a9 | 1137 | struct isar_ch *ch = from_timer(ch, t, ftimer); |
da2272c9 KK |
1138 | |
1139 | pr_debug("%s: ftimer flags %lx\n", ch->is->name, ch->bch.Flags); | |
1140 | test_and_clear_bit(FLG_FTI_RUN, &ch->bch.Flags); | |
1141 | if (test_and_clear_bit(FLG_LL_CONN, &ch->bch.Flags)) | |
1142 | deliver_status(ch, HW_MOD_CONNECT); | |
1143 | } | |
1144 | ||
1145 | static void | |
1146 | setup_pump(struct isar_ch *ch) { | |
1147 | u8 dps = SET_DPS(ch->dpath); | |
1148 | u8 ctrl, param[6]; | |
1149 | ||
1150 | switch (ch->bch.state) { | |
1151 | case ISDN_P_NONE: | |
1152 | case ISDN_P_B_RAW: | |
1153 | case ISDN_P_B_HDLC: | |
1154 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL); | |
1155 | break; | |
1156 | case ISDN_P_B_L2DTMF: | |
1157 | if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) { | |
1158 | param[0] = 5; /* TOA 5 db */ | |
1159 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, | |
475be4d8 | 1160 | PMOD_DTMF_TRANS, 1, param); |
da2272c9 KK |
1161 | } else { |
1162 | param[0] = 40; /* REL -46 dbm */ | |
1163 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, | |
475be4d8 | 1164 | PMOD_DTMF, 1, param); |
da2272c9 | 1165 | } |
d287c502 | 1166 | /* fall through */ |
da2272c9 KK |
1167 | case ISDN_P_B_MODEM_ASYNC: |
1168 | ctrl = PMOD_DATAMODEM; | |
1169 | if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) { | |
1170 | ctrl |= PCTRL_ORIG; | |
1171 | param[5] = PV32P6_CTN; | |
1172 | } else { | |
1173 | param[5] = PV32P6_ATN; | |
1174 | } | |
1175 | param[0] = 6; /* 6 db */ | |
1176 | param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B | | |
1177 | PV32P2_V22C | PV32P2_V21 | PV32P2_BEL; | |
1178 | param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B; | |
1179 | param[3] = PV32P4_UT144; | |
1180 | param[4] = PV32P5_UT144; | |
1181 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param); | |
1182 | break; | |
1183 | case ISDN_P_B_T30_FAX: | |
1184 | ctrl = PMOD_FAX; | |
1185 | if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) { | |
1186 | ctrl |= PCTRL_ORIG; | |
1187 | param[1] = PFAXP2_CTN; | |
1188 | } else { | |
1189 | param[1] = PFAXP2_ATN; | |
1190 | } | |
1191 | param[0] = 6; /* 6 db */ | |
1192 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param); | |
1193 | ch->state = STFAX_NULL; | |
1194 | ch->newcmd = 0; | |
1195 | ch->newmod = 0; | |
1196 | test_and_set_bit(FLG_FTI_RUN, &ch->bch.Flags); | |
1197 | break; | |
1198 | } | |
1199 | udelay(1000); | |
1200 | send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL); | |
1201 | udelay(1000); | |
1202 | } | |
1203 | ||
1204 | static void | |
1205 | setup_sart(struct isar_ch *ch) { | |
1206 | u8 dps = SET_DPS(ch->dpath); | |
1207 | u8 ctrl, param[2] = {0, 0}; | |
1208 | ||
1209 | switch (ch->bch.state) { | |
1210 | case ISDN_P_NONE: | |
1211 | send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, | |
475be4d8 | 1212 | 0, NULL); |
da2272c9 KK |
1213 | break; |
1214 | case ISDN_P_B_RAW: | |
1215 | case ISDN_P_B_L2DTMF: | |
1216 | send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, | |
475be4d8 | 1217 | 2, param); |
da2272c9 KK |
1218 | break; |
1219 | case ISDN_P_B_HDLC: | |
1220 | case ISDN_P_B_T30_FAX: | |
1221 | send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, | |
475be4d8 | 1222 | 1, param); |
da2272c9 KK |
1223 | break; |
1224 | case ISDN_P_B_MODEM_ASYNC: | |
1225 | ctrl = SMODE_V14 | SCTRL_HDMC_BOTH; | |
1226 | param[0] = S_P1_CHS_8; | |
1227 | param[1] = S_P2_BFT_DEF; | |
1228 | send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, ctrl, 2, param); | |
1229 | break; | |
1230 | } | |
1231 | udelay(1000); | |
1232 | send_mbox(ch->is, dps | ISAR_HIS_BSTREQ, 0, 0, NULL); | |
1233 | udelay(1000); | |
1234 | } | |
1235 | ||
1236 | static void | |
1237 | setup_iom2(struct isar_ch *ch) { | |
1238 | u8 dps = SET_DPS(ch->dpath); | |
1239 | u8 cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0}; | |
1240 | ||
1241 | if (ch->bch.nr == 2) { | |
1242 | msg[1] = 1; | |
1243 | msg[3] = 1; | |
1244 | } | |
1245 | switch (ch->bch.state) { | |
1246 | case ISDN_P_NONE: | |
1247 | cmsb = 0; | |
1248 | /* dummy slot */ | |
1249 | msg[1] = ch->dpath + 2; | |
1250 | msg[3] = ch->dpath + 2; | |
1251 | break; | |
1252 | case ISDN_P_B_RAW: | |
1253 | case ISDN_P_B_HDLC: | |
1254 | break; | |
1255 | case ISDN_P_B_MODEM_ASYNC: | |
1256 | case ISDN_P_B_T30_FAX: | |
1257 | cmsb |= IOM_CTRL_RCV; | |
d287c502 | 1258 | /* fall through */ |
da2272c9 KK |
1259 | case ISDN_P_B_L2DTMF: |
1260 | if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) | |
1261 | cmsb |= IOM_CTRL_RCV; | |
1262 | cmsb |= IOM_CTRL_ALAW; | |
1263 | break; | |
1264 | } | |
1265 | send_mbox(ch->is, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg); | |
1266 | udelay(1000); | |
1267 | send_mbox(ch->is, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL); | |
1268 | udelay(1000); | |
1269 | } | |
1270 | ||
1271 | static int | |
1272 | modeisar(struct isar_ch *ch, u32 bprotocol) | |
1273 | { | |
1274 | /* Here we are selecting the best datapath for requested protocol */ | |
1275 | if (ch->bch.state == ISDN_P_NONE) { /* New Setup */ | |
1276 | switch (bprotocol) { | |
1277 | case ISDN_P_NONE: /* init */ | |
1278 | if (!ch->dpath) | |
1279 | /* no init for dpath 0 */ | |
1280 | return 0; | |
1281 | test_and_clear_bit(FLG_HDLC, &ch->bch.Flags); | |
1282 | test_and_clear_bit(FLG_TRANSPARENT, &ch->bch.Flags); | |
1283 | break; | |
1284 | case ISDN_P_B_RAW: | |
1285 | case ISDN_P_B_HDLC: | |
1286 | /* best is datapath 2 */ | |
1287 | if (!test_and_set_bit(ISAR_DP2_USE, &ch->is->Flags)) | |
1288 | ch->dpath = 2; | |
1289 | else if (!test_and_set_bit(ISAR_DP1_USE, | |
475be4d8 | 1290 | &ch->is->Flags)) |
da2272c9 KK |
1291 | ch->dpath = 1; |
1292 | else { | |
465b1678 | 1293 | pr_info("modeisar both paths in use\n"); |
da2272c9 KK |
1294 | return -EBUSY; |
1295 | } | |
1296 | if (bprotocol == ISDN_P_B_HDLC) | |
1297 | test_and_set_bit(FLG_HDLC, &ch->bch.Flags); | |
1298 | else | |
1299 | test_and_set_bit(FLG_TRANSPARENT, | |
475be4d8 | 1300 | &ch->bch.Flags); |
da2272c9 KK |
1301 | break; |
1302 | case ISDN_P_B_MODEM_ASYNC: | |
1303 | case ISDN_P_B_T30_FAX: | |
1304 | case ISDN_P_B_L2DTMF: | |
1305 | /* only datapath 1 */ | |
1306 | if (!test_and_set_bit(ISAR_DP1_USE, &ch->is->Flags)) | |
1307 | ch->dpath = 1; | |
1308 | else { | |
1309 | pr_info("%s: ISAR modeisar analog functions" | |
1310 | "only with DP1\n", ch->is->name); | |
1311 | return -EBUSY; | |
1312 | } | |
1313 | break; | |
1314 | default: | |
1315 | pr_info("%s: protocol not known %x\n", ch->is->name, | |
1316 | bprotocol); | |
1317 | return -ENOPROTOOPT; | |
1318 | } | |
1319 | } | |
1320 | pr_debug("%s: ISAR ch%d dp%d protocol %x->%x\n", ch->is->name, | |
475be4d8 | 1321 | ch->bch.nr, ch->dpath, ch->bch.state, bprotocol); |
da2272c9 KK |
1322 | ch->bch.state = bprotocol; |
1323 | setup_pump(ch); | |
1324 | setup_iom2(ch); | |
1325 | setup_sart(ch); | |
1326 | if (ch->bch.state == ISDN_P_NONE) { | |
1327 | /* Clear resources */ | |
1328 | if (ch->dpath == 1) | |
1329 | test_and_clear_bit(ISAR_DP1_USE, &ch->is->Flags); | |
1330 | else if (ch->dpath == 2) | |
1331 | test_and_clear_bit(ISAR_DP2_USE, &ch->is->Flags); | |
1332 | ch->dpath = 0; | |
1333 | ch->is->ctrl(ch->is->hw, HW_DEACT_IND, ch->bch.nr); | |
1334 | } else | |
1335 | ch->is->ctrl(ch->is->hw, HW_ACTIVATE_IND, ch->bch.nr); | |
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | static void | |
1340 | isar_pump_cmd(struct isar_ch *ch, u32 cmd, u8 para) | |
1341 | { | |
1342 | u8 dps = SET_DPS(ch->dpath); | |
1343 | u8 ctrl = 0, nom = 0, p1 = 0; | |
1344 | ||
1345 | pr_debug("%s: isar_pump_cmd %x/%x state(%x)\n", | |
475be4d8 | 1346 | ch->is->name, cmd, para, ch->bch.state); |
da2272c9 KK |
1347 | switch (cmd) { |
1348 | case HW_MOD_FTM: | |
1349 | if (ch->state == STFAX_READY) { | |
1350 | p1 = para; | |
1351 | ctrl = PCTRL_CMD_FTM; | |
1352 | nom = 1; | |
1353 | ch->state = STFAX_LINE; | |
1354 | ch->cmd = ctrl; | |
1355 | ch->mod = para; | |
1356 | ch->newmod = 0; | |
1357 | ch->newcmd = 0; | |
1358 | ch->try_mod = 3; | |
1359 | } else if ((ch->state == STFAX_ACTIV) && | |
475be4d8 | 1360 | (ch->cmd == PCTRL_CMD_FTM) && (ch->mod == para)) |
da2272c9 KK |
1361 | deliver_status(ch, HW_MOD_CONNECT); |
1362 | else { | |
1363 | ch->newmod = para; | |
1364 | ch->newcmd = PCTRL_CMD_FTM; | |
1365 | nom = 0; | |
1366 | ctrl = PCTRL_CMD_ESC; | |
1367 | ch->state = STFAX_ESCAPE; | |
1368 | } | |
1369 | break; | |
1370 | case HW_MOD_FTH: | |
1371 | if (ch->state == STFAX_READY) { | |
1372 | p1 = para; | |
1373 | ctrl = PCTRL_CMD_FTH; | |
1374 | nom = 1; | |
1375 | ch->state = STFAX_LINE; | |
1376 | ch->cmd = ctrl; | |
1377 | ch->mod = para; | |
1378 | ch->newmod = 0; | |
1379 | ch->newcmd = 0; | |
1380 | ch->try_mod = 3; | |
1381 | } else if ((ch->state == STFAX_ACTIV) && | |
475be4d8 JP |
1382 | (ch->cmd == PCTRL_CMD_FTH) && (ch->mod == para)) |
1383 | deliver_status(ch, HW_MOD_CONNECT); | |
da2272c9 KK |
1384 | else { |
1385 | ch->newmod = para; | |
1386 | ch->newcmd = PCTRL_CMD_FTH; | |
1387 | nom = 0; | |
1388 | ctrl = PCTRL_CMD_ESC; | |
1389 | ch->state = STFAX_ESCAPE; | |
1390 | } | |
1391 | break; | |
1392 | case HW_MOD_FRM: | |
1393 | if (ch->state == STFAX_READY) { | |
1394 | p1 = para; | |
1395 | ctrl = PCTRL_CMD_FRM; | |
1396 | nom = 1; | |
1397 | ch->state = STFAX_LINE; | |
1398 | ch->cmd = ctrl; | |
1399 | ch->mod = para; | |
1400 | ch->newmod = 0; | |
1401 | ch->newcmd = 0; | |
1402 | ch->try_mod = 3; | |
1403 | } else if ((ch->state == STFAX_ACTIV) && | |
475be4d8 | 1404 | (ch->cmd == PCTRL_CMD_FRM) && (ch->mod == para)) |
da2272c9 KK |
1405 | deliver_status(ch, HW_MOD_CONNECT); |
1406 | else { | |
1407 | ch->newmod = para; | |
1408 | ch->newcmd = PCTRL_CMD_FRM; | |
1409 | nom = 0; | |
1410 | ctrl = PCTRL_CMD_ESC; | |
1411 | ch->state = STFAX_ESCAPE; | |
1412 | } | |
1413 | break; | |
1414 | case HW_MOD_FRH: | |
1415 | if (ch->state == STFAX_READY) { | |
1416 | p1 = para; | |
1417 | ctrl = PCTRL_CMD_FRH; | |
1418 | nom = 1; | |
1419 | ch->state = STFAX_LINE; | |
1420 | ch->cmd = ctrl; | |
1421 | ch->mod = para; | |
1422 | ch->newmod = 0; | |
1423 | ch->newcmd = 0; | |
1424 | ch->try_mod = 3; | |
1425 | } else if ((ch->state == STFAX_ACTIV) && | |
475be4d8 | 1426 | (ch->cmd == PCTRL_CMD_FRH) && (ch->mod == para)) |
da2272c9 KK |
1427 | deliver_status(ch, HW_MOD_CONNECT); |
1428 | else { | |
1429 | ch->newmod = para; | |
1430 | ch->newcmd = PCTRL_CMD_FRH; | |
1431 | nom = 0; | |
1432 | ctrl = PCTRL_CMD_ESC; | |
1433 | ch->state = STFAX_ESCAPE; | |
1434 | } | |
1435 | break; | |
1436 | case PCTRL_CMD_TDTMF: | |
1437 | p1 = para; | |
1438 | nom = 1; | |
1439 | ctrl = PCTRL_CMD_TDTMF; | |
1440 | break; | |
1441 | } | |
1442 | if (ctrl) | |
1443 | send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1); | |
1444 | } | |
1445 | ||
1446 | static void | |
1447 | isar_setup(struct isar_hw *isar) | |
1448 | { | |
1449 | u8 msg; | |
1450 | int i; | |
1451 | ||
1452 | /* Dpath 1, 2 */ | |
1453 | msg = 61; | |
1454 | for (i = 0; i < 2; i++) { | |
1455 | /* Buffer Config */ | |
1456 | send_mbox(isar, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) | | |
475be4d8 | 1457 | ISAR_HIS_P12CFG, 4, 1, &msg); |
da2272c9 KK |
1458 | isar->ch[i].mml = msg; |
1459 | isar->ch[i].bch.state = 0; | |
1460 | isar->ch[i].dpath = i + 1; | |
1461 | modeisar(&isar->ch[i], ISDN_P_NONE); | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | static int | |
1466 | isar_l2l1(struct mISDNchannel *ch, struct sk_buff *skb) | |
1467 | { | |
1468 | struct bchannel *bch = container_of(ch, struct bchannel, ch); | |
1469 | struct isar_ch *ich = container_of(bch, struct isar_ch, bch); | |
1470 | int ret = -EINVAL; | |
1471 | struct mISDNhead *hh = mISDN_HEAD_P(skb); | |
1472 | u32 id, *val; | |
1473 | u_long flags; | |
1474 | ||
1475 | switch (hh->prim) { | |
1476 | case PH_DATA_REQ: | |
1477 | spin_lock_irqsave(ich->is->hwlock, flags); | |
1478 | ret = bchannel_senddata(bch, skb); | |
1479 | if (ret > 0) { /* direct TX */ | |
da2272c9 KK |
1480 | ret = 0; |
1481 | isar_fill_fifo(ich); | |
8bfddfbe KK |
1482 | } |
1483 | spin_unlock_irqrestore(ich->is->hwlock, flags); | |
da2272c9 KK |
1484 | return ret; |
1485 | case PH_ACTIVATE_REQ: | |
1486 | spin_lock_irqsave(ich->is->hwlock, flags); | |
1487 | if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags)) | |
1488 | ret = modeisar(ich, ch->protocol); | |
1489 | else | |
1490 | ret = 0; | |
1491 | spin_unlock_irqrestore(ich->is->hwlock, flags); | |
1492 | if (!ret) | |
1493 | _queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY, 0, | |
475be4d8 | 1494 | NULL, GFP_KERNEL); |
da2272c9 KK |
1495 | break; |
1496 | case PH_DEACTIVATE_REQ: | |
1497 | spin_lock_irqsave(ich->is->hwlock, flags); | |
1498 | mISDN_clear_bchannel(bch); | |
1499 | modeisar(ich, ISDN_P_NONE); | |
1500 | spin_unlock_irqrestore(ich->is->hwlock, flags); | |
1501 | _queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY, 0, | |
475be4d8 | 1502 | NULL, GFP_KERNEL); |
da2272c9 KK |
1503 | ret = 0; |
1504 | break; | |
1505 | case PH_CONTROL_REQ: | |
1506 | val = (u32 *)skb->data; | |
1507 | pr_debug("%s: PH_CONTROL | REQUEST %x/%x\n", ich->is->name, | |
475be4d8 | 1508 | hh->id, *val); |
da2272c9 | 1509 | if ((hh->id == 0) && ((*val & ~DTMF_TONE_MASK) == |
475be4d8 | 1510 | DTMF_TONE_VAL)) { |
da2272c9 KK |
1511 | if (bch->state == ISDN_P_B_L2DTMF) { |
1512 | char tt = *val & DTMF_TONE_MASK; | |
1513 | ||
1514 | if (tt == '*') | |
1515 | tt = 0x1e; | |
1516 | else if (tt == '#') | |
1517 | tt = 0x1f; | |
1518 | else if (tt > '9') | |
1519 | tt -= 7; | |
1520 | tt &= 0x1f; | |
1521 | spin_lock_irqsave(ich->is->hwlock, flags); | |
1522 | isar_pump_cmd(ich, PCTRL_CMD_TDTMF, tt); | |
1523 | spin_unlock_irqrestore(ich->is->hwlock, flags); | |
1524 | } else { | |
1525 | pr_info("%s: DTMF send wrong protocol %x\n", | |
1526 | __func__, bch->state); | |
1527 | return -EINVAL; | |
1528 | } | |
1529 | } else if ((hh->id == HW_MOD_FRM) || (hh->id == HW_MOD_FRH) || | |
475be4d8 | 1530 | (hh->id == HW_MOD_FTM) || (hh->id == HW_MOD_FTH)) { |
da2272c9 KK |
1531 | for (id = 0; id < FAXMODCNT; id++) |
1532 | if (faxmodulation[id] == *val) | |
1533 | break; | |
1534 | if ((FAXMODCNT > id) && | |
1535 | test_bit(FLG_INITIALIZED, &bch->Flags)) { | |
1536 | pr_debug("%s: isar: new mod\n", ich->is->name); | |
1537 | isar_pump_cmd(ich, hh->id, *val); | |
1538 | ret = 0; | |
1539 | } else { | |
1540 | pr_info("%s: wrong modulation\n", | |
1541 | ich->is->name); | |
1542 | ret = -EINVAL; | |
1543 | } | |
1544 | } else if (hh->id == HW_MOD_LASTDATA) | |
1545 | test_and_set_bit(FLG_DLEETX, &bch->Flags); | |
1546 | else { | |
1547 | pr_info("%s: unknown PH_CONTROL_REQ %x\n", | |
1548 | ich->is->name, hh->id); | |
1549 | ret = -EINVAL; | |
1550 | } | |
d287c502 | 1551 | /* fall through */ |
da2272c9 KK |
1552 | default: |
1553 | pr_info("%s: %s unknown prim(%x,%x)\n", | |
1554 | ich->is->name, __func__, hh->prim, hh->id); | |
1555 | ret = -EINVAL; | |
1556 | } | |
1557 | if (!ret) | |
1558 | dev_kfree_skb(skb); | |
1559 | return ret; | |
1560 | } | |
1561 | ||
1562 | static int | |
1563 | channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq) | |
1564 | { | |
034005a0 | 1565 | return mISDN_ctrl_bchannel(bch, cq); |
da2272c9 KK |
1566 | } |
1567 | ||
1568 | static int | |
1569 | isar_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) | |
1570 | { | |
1571 | struct bchannel *bch = container_of(ch, struct bchannel, ch); | |
1572 | struct isar_ch *ich = container_of(bch, struct isar_ch, bch); | |
1573 | int ret = -EINVAL; | |
1574 | u_long flags; | |
1575 | ||
1576 | pr_debug("%s: %s cmd:%x %p\n", ich->is->name, __func__, cmd, arg); | |
1577 | switch (cmd) { | |
1578 | case CLOSE_CHANNEL: | |
1579 | test_and_clear_bit(FLG_OPEN, &bch->Flags); | |
4b921eda | 1580 | cancel_work_sync(&bch->workq); |
1368112c | 1581 | spin_lock_irqsave(ich->is->hwlock, flags); |
4b921eda | 1582 | mISDN_clear_bchannel(bch); |
1368112c KK |
1583 | modeisar(ich, ISDN_P_NONE); |
1584 | spin_unlock_irqrestore(ich->is->hwlock, flags); | |
da2272c9 KK |
1585 | ch->protocol = ISDN_P_NONE; |
1586 | ch->peer = NULL; | |
1587 | module_put(ich->is->owner); | |
1588 | ret = 0; | |
1589 | break; | |
1590 | case CONTROL_CHANNEL: | |
1591 | ret = channel_bctrl(bch, arg); | |
1592 | break; | |
1593 | default: | |
1594 | pr_info("%s: %s unknown prim(%x)\n", | |
1595 | ich->is->name, __func__, cmd); | |
1596 | } | |
1597 | return ret; | |
1598 | } | |
1599 | ||
1600 | static void | |
1601 | free_isar(struct isar_hw *isar) | |
1602 | { | |
1603 | modeisar(&isar->ch[0], ISDN_P_NONE); | |
1604 | modeisar(&isar->ch[1], ISDN_P_NONE); | |
1605 | del_timer(&isar->ch[0].ftimer); | |
1606 | del_timer(&isar->ch[1].ftimer); | |
1607 | test_and_clear_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags); | |
1608 | test_and_clear_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags); | |
1609 | } | |
1610 | ||
1611 | static int | |
1612 | init_isar(struct isar_hw *isar) | |
1613 | { | |
1614 | int cnt = 3; | |
1615 | ||
1616 | while (cnt--) { | |
1617 | isar->version = ISARVersion(isar); | |
1618 | if (isar->ch[0].bch.debug & DEBUG_HW) | |
1619 | pr_notice("%s: Testing version %d (%d time)\n", | |
475be4d8 | 1620 | isar->name, isar->version, 3 - cnt); |
da2272c9 KK |
1621 | if (isar->version == 1) |
1622 | break; | |
1623 | isar->ctrl(isar->hw, HW_RESET_REQ, 0); | |
1624 | } | |
1625 | if (isar->version != 1) | |
1626 | return -EINVAL; | |
e99e88a9 | 1627 | timer_setup(&isar->ch[0].ftimer, ftimer_handler, 0); |
da2272c9 | 1628 | test_and_set_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags); |
e99e88a9 | 1629 | timer_setup(&isar->ch[1].ftimer, ftimer_handler, 0); |
da2272c9 KK |
1630 | test_and_set_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags); |
1631 | return 0; | |
1632 | } | |
1633 | ||
1634 | static int | |
1635 | isar_open(struct isar_hw *isar, struct channel_req *rq) | |
1636 | { | |
1637 | struct bchannel *bch; | |
1638 | ||
819a1008 | 1639 | if (rq->adr.channel == 0 || rq->adr.channel > 2) |
da2272c9 KK |
1640 | return -EINVAL; |
1641 | if (rq->protocol == ISDN_P_NONE) | |
1642 | return -EINVAL; | |
1643 | bch = &isar->ch[rq->adr.channel - 1].bch; | |
1644 | if (test_and_set_bit(FLG_OPEN, &bch->Flags)) | |
1645 | return -EBUSY; /* b-channel can be only open once */ | |
da2272c9 KK |
1646 | bch->ch.protocol = rq->protocol; |
1647 | rq->ch = &bch->ch; | |
1648 | return 0; | |
1649 | } | |
1650 | ||
1651 | u32 | |
1652 | mISDNisar_init(struct isar_hw *isar, void *hw) | |
1653 | { | |
1654 | u32 ret, i; | |
1655 | ||
1656 | isar->hw = hw; | |
1657 | for (i = 0; i < 2; i++) { | |
1658 | isar->ch[i].bch.nr = i + 1; | |
034005a0 | 1659 | mISDN_initbchannel(&isar->ch[i].bch, MAX_DATA_MEM, 32); |
da2272c9 KK |
1660 | isar->ch[i].bch.ch.nr = i + 1; |
1661 | isar->ch[i].bch.ch.send = &isar_l2l1; | |
1662 | isar->ch[i].bch.ch.ctrl = isar_bctrl; | |
1663 | isar->ch[i].bch.hw = hw; | |
1664 | isar->ch[i].is = isar; | |
1665 | } | |
1666 | ||
1667 | isar->init = &init_isar; | |
1668 | isar->release = &free_isar; | |
1669 | isar->firmware = &load_firmware; | |
1670 | isar->open = &isar_open; | |
1671 | ||
1672 | ret = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) | | |
1673 | (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK)) | | |
1674 | (1 << (ISDN_P_B_L2DTMF & ISDN_P_B_MASK)) | | |
1675 | (1 << (ISDN_P_B_MODEM_ASYNC & ISDN_P_B_MASK)) | | |
1676 | (1 << (ISDN_P_B_T30_FAX & ISDN_P_B_MASK)); | |
1677 | ||
1678 | return ret; | |
1679 | } | |
1680 | EXPORT_SYMBOL(mISDNisar_init); | |
1681 | ||
88850740 | 1682 | static int __init isar_mod_init(void) |
da2272c9 KK |
1683 | { |
1684 | pr_notice("mISDN: ISAR driver Rev. %s\n", ISAR_REV); | |
1685 | return 0; | |
1686 | } | |
1687 | ||
88850740 | 1688 | static void __exit isar_mod_cleanup(void) |
da2272c9 KK |
1689 | { |
1690 | pr_notice("mISDN: ISAR module unloaded\n"); | |
1691 | } | |
1692 | module_init(isar_mod_init); | |
1693 | module_exit(isar_mod_cleanup); |