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1da177e4 LT |
1 | /* $Id: asuscom.c,v 1.14.2.4 2004/01/13 23:48:39 keil Exp $ |
2 | * | |
3 | * low level stuff for ASUSCOM NETWORK INC. ISDNLink cards | |
4 | * | |
5 | * Author Karsten Keil | |
6 | * Copyright by Karsten Keil <keil@isdn4linux.de> | |
7 | * | |
8 | * This software may be used and distributed according to the terms | |
9 | * of the GNU General Public License, incorporated herein by reference. | |
10 | * | |
11 | * Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for information | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <linux/init.h> | |
16 | #include <linux/isapnp.h> | |
17 | #include "hisax.h" | |
18 | #include "isac.h" | |
19 | #include "ipac.h" | |
20 | #include "hscx.h" | |
21 | #include "isdnl1.h" | |
22 | ||
23 | extern const char *CardType[]; | |
24 | ||
672c3fd9 | 25 | static const char *Asuscom_revision = "$Revision: 1.14.2.4 $"; |
1da177e4 LT |
26 | |
27 | #define byteout(addr,val) outb(val,addr) | |
28 | #define bytein(addr) inb(addr) | |
29 | ||
30 | #define ASUS_ISAC 0 | |
31 | #define ASUS_HSCX 1 | |
32 | #define ASUS_ADR 2 | |
33 | #define ASUS_CTRL_U7 3 | |
34 | #define ASUS_CTRL_POTS 5 | |
35 | ||
36 | #define ASUS_IPAC_ALE 0 | |
37 | #define ASUS_IPAC_DATA 1 | |
38 | ||
39 | #define ASUS_ISACHSCX 1 | |
40 | #define ASUS_IPAC 2 | |
41 | ||
42 | /* CARD_ADR (Write) */ | |
43 | #define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */ | |
44 | ||
45 | static inline u_char | |
46 | readreg(unsigned int ale, unsigned int adr, u_char off) | |
47 | { | |
48 | register u_char ret; | |
49 | ||
50 | byteout(ale, off); | |
51 | ret = bytein(adr); | |
52 | return (ret); | |
53 | } | |
54 | ||
55 | static inline void | |
56 | readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) | |
57 | { | |
58 | byteout(ale, off); | |
59 | insb(adr, data, size); | |
60 | } | |
61 | ||
62 | ||
63 | static inline void | |
64 | writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) | |
65 | { | |
66 | byteout(ale, off); | |
67 | byteout(adr, data); | |
68 | } | |
69 | ||
70 | static inline void | |
71 | writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) | |
72 | { | |
73 | byteout(ale, off); | |
74 | outsb(adr, data, size); | |
75 | } | |
76 | ||
77 | /* Interface functions */ | |
78 | ||
79 | static u_char | |
80 | ReadISAC(struct IsdnCardState *cs, u_char offset) | |
81 | { | |
82 | return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset)); | |
83 | } | |
84 | ||
85 | static void | |
86 | WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
87 | { | |
88 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value); | |
89 | } | |
90 | ||
91 | static void | |
92 | ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) | |
93 | { | |
94 | readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); | |
95 | } | |
96 | ||
97 | static void | |
98 | WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) | |
99 | { | |
100 | writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); | |
101 | } | |
102 | ||
103 | static u_char | |
104 | ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset) | |
105 | { | |
106 | return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80)); | |
107 | } | |
108 | ||
109 | static void | |
110 | WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
111 | { | |
112 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80, value); | |
113 | } | |
114 | ||
115 | static void | |
116 | ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) | |
117 | { | |
118 | readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); | |
119 | } | |
120 | ||
121 | static void | |
122 | WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) | |
123 | { | |
124 | writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); | |
125 | } | |
126 | ||
127 | static u_char | |
128 | ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) | |
129 | { | |
130 | return (readreg(cs->hw.asus.adr, | |
131 | cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0))); | |
132 | } | |
133 | ||
134 | static void | |
135 | WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) | |
136 | { | |
137 | writereg(cs->hw.asus.adr, | |
138 | cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value); | |
139 | } | |
140 | ||
141 | /* | |
142 | * fast interrupt HSCX stuff goes here | |
143 | */ | |
144 | ||
145 | #define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \ | |
146 | cs->hw.asus.hscx, reg + (nr ? 0x40 : 0)) | |
147 | #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \ | |
148 | cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data) | |
149 | ||
150 | #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \ | |
151 | cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
152 | ||
153 | #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \ | |
154 | cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
155 | ||
156 | #include "hscx_irq.c" | |
157 | ||
158 | static irqreturn_t | |
7d12e780 | 159 | asuscom_interrupt(int intno, void *dev_id) |
1da177e4 LT |
160 | { |
161 | struct IsdnCardState *cs = dev_id; | |
162 | u_char val; | |
163 | u_long flags; | |
164 | ||
165 | spin_lock_irqsave(&cs->lock, flags); | |
166 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
167 | Start_HSCX: | |
168 | if (val) | |
169 | hscx_int_main(cs, val); | |
170 | val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); | |
171 | Start_ISAC: | |
172 | if (val) | |
173 | isac_interrupt(cs, val); | |
174 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
175 | if (val) { | |
176 | if (cs->debug & L1_DEB_HSCX) | |
177 | debugl1(cs, "HSCX IntStat after IntRoutine"); | |
178 | goto Start_HSCX; | |
179 | } | |
180 | val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); | |
181 | if (val) { | |
182 | if (cs->debug & L1_DEB_ISAC) | |
183 | debugl1(cs, "ISAC IntStat after IntRoutine"); | |
184 | goto Start_ISAC; | |
185 | } | |
186 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF); | |
187 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF); | |
188 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF); | |
189 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0); | |
190 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0); | |
191 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0); | |
192 | spin_unlock_irqrestore(&cs->lock, flags); | |
193 | return IRQ_HANDLED; | |
194 | } | |
195 | ||
196 | static irqreturn_t | |
7d12e780 | 197 | asuscom_interrupt_ipac(int intno, void *dev_id) |
1da177e4 LT |
198 | { |
199 | struct IsdnCardState *cs = dev_id; | |
200 | u_char ista, val, icnt = 5; | |
201 | u_long flags; | |
202 | ||
203 | spin_lock_irqsave(&cs->lock, flags); | |
204 | ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); | |
205 | Start_IPAC: | |
206 | if (cs->debug & L1_DEB_IPAC) | |
207 | debugl1(cs, "IPAC ISTA %02X", ista); | |
208 | if (ista & 0x0f) { | |
209 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
210 | if (ista & 0x01) | |
211 | val |= 0x01; | |
212 | if (ista & 0x04) | |
213 | val |= 0x02; | |
214 | if (ista & 0x08) | |
215 | val |= 0x04; | |
216 | if (val) | |
217 | hscx_int_main(cs, val); | |
218 | } | |
219 | if (ista & 0x20) { | |
220 | val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80); | |
221 | if (val) { | |
222 | isac_interrupt(cs, val); | |
223 | } | |
224 | } | |
225 | if (ista & 0x10) { | |
226 | val = 0x01; | |
227 | isac_interrupt(cs, val); | |
228 | } | |
229 | ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); | |
230 | if ((ista & 0x3f) && icnt) { | |
231 | icnt--; | |
232 | goto Start_IPAC; | |
233 | } | |
234 | if (!icnt) | |
235 | printk(KERN_WARNING "ASUS IRQ LOOP\n"); | |
236 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF); | |
237 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0); | |
238 | spin_unlock_irqrestore(&cs->lock, flags); | |
239 | return IRQ_HANDLED; | |
240 | } | |
241 | ||
672c3fd9 | 242 | static void |
1da177e4 LT |
243 | release_io_asuscom(struct IsdnCardState *cs) |
244 | { | |
245 | int bytecnt = 8; | |
246 | ||
247 | if (cs->hw.asus.cfg_reg) | |
248 | release_region(cs->hw.asus.cfg_reg, bytecnt); | |
249 | } | |
250 | ||
251 | static void | |
252 | reset_asuscom(struct IsdnCardState *cs) | |
253 | { | |
254 | if (cs->subtyp == ASUS_IPAC) | |
255 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20); | |
256 | else | |
257 | byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */ | |
258 | mdelay(10); | |
259 | if (cs->subtyp == ASUS_IPAC) | |
260 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0); | |
261 | else | |
262 | byteout(cs->hw.asus.adr, 0); /* Reset Off */ | |
263 | mdelay(10); | |
264 | if (cs->subtyp == ASUS_IPAC) { | |
265 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0); | |
266 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff); | |
267 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0); | |
268 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0); | |
269 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12); | |
270 | } | |
271 | } | |
272 | ||
273 | static int | |
274 | Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg) | |
275 | { | |
276 | u_long flags; | |
277 | ||
278 | switch (mt) { | |
279 | case CARD_RESET: | |
280 | spin_lock_irqsave(&cs->lock, flags); | |
281 | reset_asuscom(cs); | |
282 | spin_unlock_irqrestore(&cs->lock, flags); | |
283 | return(0); | |
284 | case CARD_RELEASE: | |
285 | release_io_asuscom(cs); | |
286 | return(0); | |
287 | case CARD_INIT: | |
288 | spin_lock_irqsave(&cs->lock, flags); | |
289 | cs->debug |= L1_DEB_IPAC; | |
290 | inithscxisac(cs, 3); | |
291 | spin_unlock_irqrestore(&cs->lock, flags); | |
292 | return(0); | |
293 | case CARD_TEST: | |
294 | return(0); | |
295 | } | |
296 | return(0); | |
297 | } | |
298 | ||
299 | #ifdef __ISAPNP__ | |
67eb5db5 | 300 | static struct isapnp_device_id asus_ids[] __devinitdata = { |
1da177e4 LT |
301 | { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), |
302 | ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), | |
303 | (unsigned long) "Asus1688 PnP" }, | |
304 | { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), | |
305 | ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), | |
306 | (unsigned long) "Asus1690 PnP" }, | |
307 | { ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), | |
308 | ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), | |
309 | (unsigned long) "Isurf2 PnP" }, | |
310 | { ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), | |
311 | ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), | |
312 | (unsigned long) "Iscas TE320" }, | |
313 | { 0, } | |
314 | }; | |
315 | ||
67eb5db5 | 316 | static struct isapnp_device_id *ipid __devinitdata = &asus_ids[0]; |
1da177e4 LT |
317 | static struct pnp_card *pnp_c __devinitdata = NULL; |
318 | #endif | |
319 | ||
67eb5db5 | 320 | int __devinit |
1da177e4 LT |
321 | setup_asuscom(struct IsdnCard *card) |
322 | { | |
323 | int bytecnt; | |
324 | struct IsdnCardState *cs = card->cs; | |
325 | u_char val; | |
326 | char tmp[64]; | |
327 | ||
328 | strcpy(tmp, Asuscom_revision); | |
329 | printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp)); | |
330 | if (cs->typ != ISDN_CTYPE_ASUSCOM) | |
331 | return (0); | |
332 | #ifdef __ISAPNP__ | |
333 | if (!card->para[1] && isapnp_present()) { | |
334 | struct pnp_dev *pnp_d; | |
335 | while(ipid->card_vendor) { | |
336 | if ((pnp_c = pnp_find_card(ipid->card_vendor, | |
337 | ipid->card_device, pnp_c))) { | |
338 | pnp_d = NULL; | |
339 | if ((pnp_d = pnp_find_dev(pnp_c, | |
340 | ipid->vendor, ipid->function, pnp_d))) { | |
341 | int err; | |
342 | ||
343 | printk(KERN_INFO "HiSax: %s detected\n", | |
344 | (char *)ipid->driver_data); | |
345 | pnp_disable_dev(pnp_d); | |
346 | err = pnp_activate_dev(pnp_d); | |
347 | if (err<0) { | |
348 | printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", | |
349 | __FUNCTION__, err); | |
350 | return(0); | |
351 | } | |
352 | card->para[1] = pnp_port_start(pnp_d, 0); | |
353 | card->para[0] = pnp_irq(pnp_d, 0); | |
354 | if (!card->para[0] || !card->para[1]) { | |
355 | printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n", | |
356 | card->para[0], card->para[1]); | |
357 | pnp_disable_dev(pnp_d); | |
358 | return(0); | |
359 | } | |
360 | break; | |
361 | } else { | |
362 | printk(KERN_ERR "AsusPnP: PnP error card found, no device\n"); | |
363 | } | |
364 | } | |
365 | ipid++; | |
366 | pnp_c = NULL; | |
367 | } | |
368 | if (!ipid->card_vendor) { | |
369 | printk(KERN_INFO "AsusPnP: no ISAPnP card found\n"); | |
370 | return(0); | |
371 | } | |
372 | } | |
373 | #endif | |
374 | bytecnt = 8; | |
375 | cs->hw.asus.cfg_reg = card->para[1]; | |
376 | cs->irq = card->para[0]; | |
377 | if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) { | |
378 | printk(KERN_WARNING | |
379 | "HiSax: %s config port %x-%x already in use\n", | |
380 | CardType[card->typ], | |
381 | cs->hw.asus.cfg_reg, | |
382 | cs->hw.asus.cfg_reg + bytecnt); | |
383 | return (0); | |
384 | } | |
385 | printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n", | |
386 | cs->hw.asus.cfg_reg, cs->irq); | |
387 | setup_isac(cs); | |
388 | cs->BC_Read_Reg = &ReadHSCX; | |
389 | cs->BC_Write_Reg = &WriteHSCX; | |
390 | cs->BC_Send_Data = &hscx_fill_fifo; | |
391 | cs->cardmsg = &Asus_card_msg; | |
392 | val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE, | |
393 | cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID); | |
394 | if ((val == 1) || (val == 2)) { | |
395 | cs->subtyp = ASUS_IPAC; | |
396 | cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE; | |
397 | cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; | |
398 | cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; | |
399 | test_and_set_bit(HW_IPAC, &cs->HW_Flags); | |
400 | cs->readisac = &ReadISAC_IPAC; | |
401 | cs->writeisac = &WriteISAC_IPAC; | |
402 | cs->readisacfifo = &ReadISACfifo_IPAC; | |
403 | cs->writeisacfifo = &WriteISACfifo_IPAC; | |
404 | cs->irq_func = &asuscom_interrupt_ipac; | |
405 | printk(KERN_INFO "Asus: IPAC version %x\n", val); | |
406 | } else { | |
407 | cs->subtyp = ASUS_ISACHSCX; | |
408 | cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR; | |
409 | cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC; | |
410 | cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX; | |
411 | cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7; | |
412 | cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS; | |
413 | cs->readisac = &ReadISAC; | |
414 | cs->writeisac = &WriteISAC; | |
415 | cs->readisacfifo = &ReadISACfifo; | |
416 | cs->writeisacfifo = &WriteISACfifo; | |
417 | cs->irq_func = &asuscom_interrupt; | |
418 | ISACVersion(cs, "ISDNLink:"); | |
419 | if (HscxVersion(cs, "ISDNLink:")) { | |
420 | printk(KERN_WARNING | |
421 | "ISDNLink: wrong HSCX versions check IO address\n"); | |
422 | release_io_asuscom(cs); | |
423 | return (0); | |
424 | } | |
425 | } | |
426 | return (1); | |
427 | } |