Commit | Line | Data |
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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 | ||
672c3fd9 | 23 | static const char *Asuscom_revision = "$Revision: 1.14.2.4 $"; |
1da177e4 | 24 | |
475be4d8 | 25 | #define byteout(addr, val) outb(val, addr) |
1da177e4 LT |
26 | #define bytein(addr) inb(addr) |
27 | ||
28 | #define ASUS_ISAC 0 | |
29 | #define ASUS_HSCX 1 | |
30 | #define ASUS_ADR 2 | |
31 | #define ASUS_CTRL_U7 3 | |
32 | #define ASUS_CTRL_POTS 5 | |
33 | ||
34 | #define ASUS_IPAC_ALE 0 | |
35 | #define ASUS_IPAC_DATA 1 | |
36 | ||
37 | #define ASUS_ISACHSCX 1 | |
38 | #define ASUS_IPAC 2 | |
39 | ||
40 | /* CARD_ADR (Write) */ | |
41 | #define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */ | |
42 | ||
43 | static inline u_char | |
44 | readreg(unsigned int ale, unsigned int adr, u_char off) | |
45 | { | |
46 | register u_char ret; | |
47 | ||
48 | byteout(ale, off); | |
49 | ret = bytein(adr); | |
50 | return (ret); | |
51 | } | |
52 | ||
53 | static inline void | |
475be4d8 | 54 | readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) |
1da177e4 LT |
55 | { |
56 | byteout(ale, off); | |
57 | insb(adr, data, size); | |
58 | } | |
59 | ||
60 | ||
61 | static inline void | |
62 | writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) | |
63 | { | |
64 | byteout(ale, off); | |
65 | byteout(adr, data); | |
66 | } | |
67 | ||
68 | static inline void | |
475be4d8 | 69 | writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) |
1da177e4 LT |
70 | { |
71 | byteout(ale, off); | |
72 | outsb(adr, data, size); | |
73 | } | |
74 | ||
75 | /* Interface functions */ | |
76 | ||
77 | static u_char | |
78 | ReadISAC(struct IsdnCardState *cs, u_char offset) | |
79 | { | |
80 | return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset)); | |
81 | } | |
82 | ||
83 | static void | |
84 | WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
85 | { | |
86 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value); | |
87 | } | |
88 | ||
89 | static void | |
475be4d8 | 90 | ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
91 | { |
92 | readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); | |
93 | } | |
94 | ||
95 | static void | |
475be4d8 | 96 | WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
97 | { |
98 | writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); | |
99 | } | |
100 | ||
101 | static u_char | |
102 | ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset) | |
103 | { | |
475be4d8 | 104 | return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80)); |
1da177e4 LT |
105 | } |
106 | ||
107 | static void | |
108 | WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
109 | { | |
475be4d8 | 110 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80, value); |
1da177e4 LT |
111 | } |
112 | ||
113 | static void | |
475be4d8 | 114 | ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
115 | { |
116 | readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); | |
117 | } | |
118 | ||
119 | static void | |
475be4d8 | 120 | WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
121 | { |
122 | writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); | |
123 | } | |
124 | ||
125 | static u_char | |
126 | ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) | |
127 | { | |
128 | return (readreg(cs->hw.asus.adr, | |
129 | cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0))); | |
130 | } | |
131 | ||
132 | static void | |
133 | WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) | |
134 | { | |
135 | writereg(cs->hw.asus.adr, | |
136 | cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value); | |
137 | } | |
138 | ||
139 | /* | |
140 | * fast interrupt HSCX stuff goes here | |
141 | */ | |
142 | ||
475be4d8 JP |
143 | #define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \ |
144 | cs->hw.asus.hscx, reg + (nr ? 0x40 : 0)) | |
145 | #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \ | |
146 | cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data) | |
1da177e4 | 147 | |
475be4d8 JP |
148 | #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \ |
149 | cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
1da177e4 | 150 | |
475be4d8 JP |
151 | #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \ |
152 | cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
1da177e4 LT |
153 | |
154 | #include "hscx_irq.c" | |
155 | ||
156 | static irqreturn_t | |
7d12e780 | 157 | asuscom_interrupt(int intno, void *dev_id) |
1da177e4 LT |
158 | { |
159 | struct IsdnCardState *cs = dev_id; | |
160 | u_char val; | |
161 | u_long flags; | |
162 | ||
163 | spin_lock_irqsave(&cs->lock, flags); | |
164 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
475be4d8 | 165 | Start_HSCX: |
1da177e4 LT |
166 | if (val) |
167 | hscx_int_main(cs, val); | |
168 | val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); | |
475be4d8 | 169 | Start_ISAC: |
1da177e4 LT |
170 | if (val) |
171 | isac_interrupt(cs, val); | |
172 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
173 | if (val) { | |
174 | if (cs->debug & L1_DEB_HSCX) | |
175 | debugl1(cs, "HSCX IntStat after IntRoutine"); | |
176 | goto Start_HSCX; | |
177 | } | |
178 | val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); | |
179 | if (val) { | |
180 | if (cs->debug & L1_DEB_ISAC) | |
181 | debugl1(cs, "ISAC IntStat after IntRoutine"); | |
182 | goto Start_ISAC; | |
183 | } | |
184 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF); | |
185 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF); | |
186 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF); | |
187 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0); | |
188 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0); | |
189 | writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0); | |
190 | spin_unlock_irqrestore(&cs->lock, flags); | |
191 | return IRQ_HANDLED; | |
192 | } | |
193 | ||
194 | static irqreturn_t | |
7d12e780 | 195 | asuscom_interrupt_ipac(int intno, void *dev_id) |
1da177e4 LT |
196 | { |
197 | struct IsdnCardState *cs = dev_id; | |
198 | u_char ista, val, icnt = 5; | |
199 | u_long flags; | |
200 | ||
201 | spin_lock_irqsave(&cs->lock, flags); | |
202 | ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); | |
203 | Start_IPAC: | |
204 | if (cs->debug & L1_DEB_IPAC) | |
205 | debugl1(cs, "IPAC ISTA %02X", ista); | |
206 | if (ista & 0x0f) { | |
207 | val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); | |
208 | if (ista & 0x01) | |
209 | val |= 0x01; | |
210 | if (ista & 0x04) | |
211 | val |= 0x02; | |
212 | if (ista & 0x08) | |
213 | val |= 0x04; | |
214 | if (val) | |
215 | hscx_int_main(cs, val); | |
216 | } | |
217 | if (ista & 0x20) { | |
218 | val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80); | |
219 | if (val) { | |
220 | isac_interrupt(cs, val); | |
221 | } | |
222 | } | |
223 | if (ista & 0x10) { | |
224 | val = 0x01; | |
225 | isac_interrupt(cs, val); | |
226 | } | |
227 | ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); | |
228 | if ((ista & 0x3f) && icnt) { | |
229 | icnt--; | |
230 | goto Start_IPAC; | |
231 | } | |
232 | if (!icnt) | |
233 | printk(KERN_WARNING "ASUS IRQ LOOP\n"); | |
234 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF); | |
235 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0); | |
236 | spin_unlock_irqrestore(&cs->lock, flags); | |
237 | return IRQ_HANDLED; | |
238 | } | |
239 | ||
672c3fd9 | 240 | static void |
1da177e4 LT |
241 | release_io_asuscom(struct IsdnCardState *cs) |
242 | { | |
243 | int bytecnt = 8; | |
244 | ||
245 | if (cs->hw.asus.cfg_reg) | |
246 | release_region(cs->hw.asus.cfg_reg, bytecnt); | |
247 | } | |
248 | ||
249 | static void | |
250 | reset_asuscom(struct IsdnCardState *cs) | |
251 | { | |
252 | if (cs->subtyp == ASUS_IPAC) | |
253 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20); | |
254 | else | |
255 | byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */ | |
256 | mdelay(10); | |
257 | if (cs->subtyp == ASUS_IPAC) | |
258 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0); | |
259 | else | |
260 | byteout(cs->hw.asus.adr, 0); /* Reset Off */ | |
261 | mdelay(10); | |
262 | if (cs->subtyp == ASUS_IPAC) { | |
263 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0); | |
264 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff); | |
265 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0); | |
266 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0); | |
267 | writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12); | |
268 | } | |
269 | } | |
270 | ||
271 | static int | |
272 | Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg) | |
273 | { | |
274 | u_long flags; | |
275 | ||
276 | switch (mt) { | |
475be4d8 JP |
277 | case CARD_RESET: |
278 | spin_lock_irqsave(&cs->lock, flags); | |
279 | reset_asuscom(cs); | |
280 | spin_unlock_irqrestore(&cs->lock, flags); | |
281 | return (0); | |
282 | case CARD_RELEASE: | |
283 | release_io_asuscom(cs); | |
284 | return (0); | |
285 | case CARD_INIT: | |
286 | spin_lock_irqsave(&cs->lock, flags); | |
287 | cs->debug |= L1_DEB_IPAC; | |
288 | inithscxisac(cs, 3); | |
289 | spin_unlock_irqrestore(&cs->lock, flags); | |
290 | return (0); | |
291 | case CARD_TEST: | |
292 | return (0); | |
1da177e4 | 293 | } |
475be4d8 | 294 | return (0); |
1da177e4 LT |
295 | } |
296 | ||
297 | #ifdef __ISAPNP__ | |
ed5a84cd | 298 | static struct isapnp_device_id asus_ids[] = { |
1da177e4 | 299 | { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), |
475be4d8 | 300 | ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), |
1da177e4 LT |
301 | (unsigned long) "Asus1688 PnP" }, |
302 | { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), | |
475be4d8 | 303 | ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), |
1da177e4 LT |
304 | (unsigned long) "Asus1690 PnP" }, |
305 | { ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), | |
475be4d8 | 306 | ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), |
1da177e4 LT |
307 | (unsigned long) "Isurf2 PnP" }, |
308 | { ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), | |
475be4d8 | 309 | ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), |
1da177e4 LT |
310 | (unsigned long) "Iscas TE320" }, |
311 | { 0, } | |
312 | }; | |
313 | ||
ed5a84cd GKH |
314 | static struct isapnp_device_id *ipid = &asus_ids[0]; |
315 | static struct pnp_card *pnp_c = NULL; | |
1da177e4 LT |
316 | #endif |
317 | ||
ed5a84cd | 318 | int setup_asuscom(struct IsdnCard *card) |
1da177e4 LT |
319 | { |
320 | int bytecnt; | |
321 | struct IsdnCardState *cs = card->cs; | |
322 | u_char val; | |
323 | char tmp[64]; | |
324 | ||
325 | strcpy(tmp, Asuscom_revision); | |
326 | printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp)); | |
327 | if (cs->typ != ISDN_CTYPE_ASUSCOM) | |
328 | return (0); | |
329 | #ifdef __ISAPNP__ | |
330 | if (!card->para[1] && isapnp_present()) { | |
331 | struct pnp_dev *pnp_d; | |
475be4d8 | 332 | while (ipid->card_vendor) { |
1da177e4 | 333 | if ((pnp_c = pnp_find_card(ipid->card_vendor, |
475be4d8 | 334 | ipid->card_device, pnp_c))) { |
1da177e4 LT |
335 | pnp_d = NULL; |
336 | if ((pnp_d = pnp_find_dev(pnp_c, | |
475be4d8 | 337 | ipid->vendor, ipid->function, pnp_d))) { |
1da177e4 LT |
338 | int err; |
339 | ||
340 | printk(KERN_INFO "HiSax: %s detected\n", | |
475be4d8 | 341 | (char *)ipid->driver_data); |
1da177e4 LT |
342 | pnp_disable_dev(pnp_d); |
343 | err = pnp_activate_dev(pnp_d); | |
475be4d8 | 344 | if (err < 0) { |
1da177e4 | 345 | printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", |
475be4d8 JP |
346 | __func__, err); |
347 | return (0); | |
1da177e4 LT |
348 | } |
349 | card->para[1] = pnp_port_start(pnp_d, 0); | |
350 | card->para[0] = pnp_irq(pnp_d, 0); | |
351 | if (!card->para[0] || !card->para[1]) { | |
352 | printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n", | |
475be4d8 | 353 | card->para[0], card->para[1]); |
1da177e4 | 354 | pnp_disable_dev(pnp_d); |
475be4d8 | 355 | return (0); |
1da177e4 LT |
356 | } |
357 | break; | |
358 | } else { | |
359 | printk(KERN_ERR "AsusPnP: PnP error card found, no device\n"); | |
360 | } | |
361 | } | |
362 | ipid++; | |
363 | pnp_c = NULL; | |
475be4d8 | 364 | } |
1da177e4 LT |
365 | if (!ipid->card_vendor) { |
366 | printk(KERN_INFO "AsusPnP: no ISAPnP card found\n"); | |
475be4d8 | 367 | return (0); |
1da177e4 LT |
368 | } |
369 | } | |
370 | #endif | |
371 | bytecnt = 8; | |
372 | cs->hw.asus.cfg_reg = card->para[1]; | |
373 | cs->irq = card->para[0]; | |
374 | if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) { | |
375 | printk(KERN_WARNING | |
8349304d | 376 | "HiSax: ISDNLink config port %x-%x already in use\n", |
1da177e4 LT |
377 | cs->hw.asus.cfg_reg, |
378 | cs->hw.asus.cfg_reg + bytecnt); | |
379 | return (0); | |
380 | } | |
381 | printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n", | |
475be4d8 | 382 | cs->hw.asus.cfg_reg, cs->irq); |
1da177e4 LT |
383 | setup_isac(cs); |
384 | cs->BC_Read_Reg = &ReadHSCX; | |
385 | cs->BC_Write_Reg = &WriteHSCX; | |
386 | cs->BC_Send_Data = &hscx_fill_fifo; | |
387 | cs->cardmsg = &Asus_card_msg; | |
475be4d8 JP |
388 | val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE, |
389 | cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID); | |
1da177e4 LT |
390 | if ((val == 1) || (val == 2)) { |
391 | cs->subtyp = ASUS_IPAC; | |
392 | cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE; | |
393 | cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; | |
394 | cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; | |
395 | test_and_set_bit(HW_IPAC, &cs->HW_Flags); | |
396 | cs->readisac = &ReadISAC_IPAC; | |
397 | cs->writeisac = &WriteISAC_IPAC; | |
398 | cs->readisacfifo = &ReadISACfifo_IPAC; | |
399 | cs->writeisacfifo = &WriteISACfifo_IPAC; | |
400 | cs->irq_func = &asuscom_interrupt_ipac; | |
401 | printk(KERN_INFO "Asus: IPAC version %x\n", val); | |
402 | } else { | |
403 | cs->subtyp = ASUS_ISACHSCX; | |
404 | cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR; | |
405 | cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC; | |
406 | cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX; | |
407 | cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7; | |
408 | cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS; | |
409 | cs->readisac = &ReadISAC; | |
410 | cs->writeisac = &WriteISAC; | |
411 | cs->readisacfifo = &ReadISACfifo; | |
412 | cs->writeisacfifo = &WriteISACfifo; | |
413 | cs->irq_func = &asuscom_interrupt; | |
414 | ISACVersion(cs, "ISDNLink:"); | |
415 | if (HscxVersion(cs, "ISDNLink:")) { | |
416 | printk(KERN_WARNING | |
475be4d8 | 417 | "ISDNLink: wrong HSCX versions check IO address\n"); |
1da177e4 LT |
418 | release_io_asuscom(cs); |
419 | return (0); | |
420 | } | |
421 | } | |
422 | return (1); | |
423 | } |