Commit | Line | Data |
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1da177e4 LT |
1 | /* $Id: niccy.c,v 1.21.2.4 2004/01/13 23:48:39 keil Exp $ |
2 | * | |
3 | * low level stuff for Dr. Neuhaus NICCY PnP and NICCY PCI and | |
4 | * compatible (SAGEM cybermodem) | |
5 | * | |
6 | * Author Karsten Keil | |
7 | * Copyright by Karsten Keil <keil@isdn4linux.de> | |
8 | * | |
9 | * This software may be used and distributed according to the terms | |
10 | * of the GNU General Public License, incorporated herein by reference. | |
11 | * | |
12 | * Thanks to Dr. Neuhaus and SAGEM for information | |
13 | * | |
14 | */ | |
15 | ||
1da177e4 LT |
16 | #include <linux/init.h> |
17 | #include "hisax.h" | |
18 | #include "isac.h" | |
19 | #include "hscx.h" | |
20 | #include "isdnl1.h" | |
21 | #include <linux/pci.h> | |
22 | #include <linux/isapnp.h> | |
23 | ||
24 | extern const char *CardType[]; | |
672c3fd9 | 25 | static const char *niccy_revision = "$Revision: 1.21.2.4 $"; |
1da177e4 LT |
26 | |
27 | #define byteout(addr,val) outb(val,addr) | |
28 | #define bytein(addr) inb(addr) | |
29 | ||
30 | #define ISAC_PCI_DATA 0 | |
31 | #define HSCX_PCI_DATA 1 | |
32 | #define ISAC_PCI_ADDR 2 | |
33 | #define HSCX_PCI_ADDR 3 | |
34 | #define ISAC_PNP 0 | |
35 | #define HSCX_PNP 1 | |
36 | ||
37 | /* SUB Types */ | |
38 | #define NICCY_PNP 1 | |
39 | #define NICCY_PCI 2 | |
40 | ||
41 | /* PCI stuff */ | |
42 | #define PCI_IRQ_CTRL_REG 0x38 | |
43 | #define PCI_IRQ_ENABLE 0x1f00 | |
44 | #define PCI_IRQ_DISABLE 0xff0000 | |
45 | #define PCI_IRQ_ASSERT 0x800000 | |
46 | ||
1d02a030 | 47 | static inline u_char readreg(unsigned int ale, unsigned int adr, u_char off) |
1da177e4 LT |
48 | { |
49 | register u_char ret; | |
50 | ||
51 | byteout(ale, off); | |
52 | ret = bytein(adr); | |
1d02a030 | 53 | return ret; |
1da177e4 LT |
54 | } |
55 | ||
1d02a030 JS |
56 | static inline void readfifo(unsigned int ale, unsigned int adr, u_char off, |
57 | u_char *data, int size) | |
1da177e4 LT |
58 | { |
59 | byteout(ale, off); | |
60 | insb(adr, data, size); | |
61 | } | |
62 | ||
1d02a030 JS |
63 | static inline void writereg(unsigned int ale, unsigned int adr, u_char off, |
64 | u_char data) | |
1da177e4 LT |
65 | { |
66 | byteout(ale, off); | |
67 | byteout(adr, data); | |
68 | } | |
69 | ||
1d02a030 JS |
70 | static inline void writefifo(unsigned int ale, unsigned int adr, u_char off, |
71 | u_char *data, int size) | |
1da177e4 LT |
72 | { |
73 | byteout(ale, off); | |
74 | outsb(adr, data, size); | |
75 | } | |
76 | ||
77 | /* Interface functions */ | |
78 | ||
1d02a030 | 79 | static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) |
1da177e4 | 80 | { |
1d02a030 | 81 | return readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset); |
1da177e4 LT |
82 | } |
83 | ||
1d02a030 | 84 | static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) |
1da177e4 LT |
85 | { |
86 | writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset, value); | |
87 | } | |
88 | ||
1d02a030 | 89 | static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) |
1da177e4 LT |
90 | { |
91 | readfifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size); | |
92 | } | |
93 | ||
1d02a030 | 94 | static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) |
1da177e4 LT |
95 | { |
96 | writefifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size); | |
97 | } | |
98 | ||
1d02a030 | 99 | static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) |
1da177e4 | 100 | { |
1d02a030 JS |
101 | return readreg(cs->hw.niccy.hscx_ale, |
102 | cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0)); | |
1da177e4 LT |
103 | } |
104 | ||
1d02a030 JS |
105 | static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, |
106 | u_char value) | |
1da177e4 LT |
107 | { |
108 | writereg(cs->hw.niccy.hscx_ale, | |
109 | cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0), value); | |
110 | } | |
111 | ||
112 | #define READHSCX(cs, nr, reg) readreg(cs->hw.niccy.hscx_ale, \ | |
113 | cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0)) | |
114 | #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.niccy.hscx_ale, \ | |
115 | cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0), data) | |
116 | ||
117 | #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.niccy.hscx_ale, \ | |
118 | cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
119 | ||
120 | #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.niccy.hscx_ale, \ | |
121 | cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt) | |
122 | ||
123 | #include "hscx_irq.c" | |
124 | ||
7d12e780 | 125 | static irqreturn_t niccy_interrupt(int intno, void *dev_id) |
1da177e4 LT |
126 | { |
127 | struct IsdnCardState *cs = dev_id; | |
128 | u_char val; | |
129 | u_long flags; | |
130 | ||
131 | spin_lock_irqsave(&cs->lock, flags); | |
132 | if (cs->subtyp == NICCY_PCI) { | |
133 | int ival; | |
134 | ival = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); | |
1d02a030 | 135 | if (!(ival & PCI_IRQ_ASSERT)) { /* IRQ not for us (shared) */ |
1da177e4 LT |
136 | spin_unlock_irqrestore(&cs->lock, flags); |
137 | return IRQ_NONE; | |
138 | } | |
139 | outl(ival, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); | |
140 | } | |
1d02a030 JS |
141 | val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, |
142 | HSCX_ISTA + 0x40); | |
143 | Start_HSCX: | |
1da177e4 LT |
144 | if (val) |
145 | hscx_int_main(cs, val); | |
146 | val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA); | |
1d02a030 | 147 | Start_ISAC: |
1da177e4 LT |
148 | if (val) |
149 | isac_interrupt(cs, val); | |
1d02a030 JS |
150 | val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, |
151 | HSCX_ISTA + 0x40); | |
1da177e4 LT |
152 | if (val) { |
153 | if (cs->debug & L1_DEB_HSCX) | |
154 | debugl1(cs, "HSCX IntStat after IntRoutine"); | |
155 | goto Start_HSCX; | |
156 | } | |
157 | val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA); | |
158 | if (val) { | |
159 | if (cs->debug & L1_DEB_ISAC) | |
160 | debugl1(cs, "ISAC IntStat after IntRoutine"); | |
161 | goto Start_ISAC; | |
162 | } | |
163 | writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0xFF); | |
1d02a030 JS |
164 | writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, |
165 | 0xFF); | |
1da177e4 LT |
166 | writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0xFF); |
167 | writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0); | |
168 | writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0); | |
1d02a030 | 169 | writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40,0); |
1da177e4 LT |
170 | spin_unlock_irqrestore(&cs->lock, flags); |
171 | return IRQ_HANDLED; | |
172 | } | |
173 | ||
1d02a030 | 174 | static void release_io_niccy(struct IsdnCardState *cs) |
1da177e4 LT |
175 | { |
176 | if (cs->subtyp == NICCY_PCI) { | |
177 | int val; | |
1d02a030 | 178 | |
1da177e4 LT |
179 | val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); |
180 | val &= PCI_IRQ_DISABLE; | |
181 | outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); | |
182 | release_region(cs->hw.niccy.cfg_reg, 0x40); | |
183 | release_region(cs->hw.niccy.isac, 4); | |
184 | } else { | |
185 | release_region(cs->hw.niccy.isac, 2); | |
186 | release_region(cs->hw.niccy.isac_ale, 2); | |
187 | } | |
188 | } | |
189 | ||
1d02a030 | 190 | static void niccy_reset(struct IsdnCardState *cs) |
1da177e4 LT |
191 | { |
192 | if (cs->subtyp == NICCY_PCI) { | |
193 | int val; | |
194 | ||
195 | val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); | |
196 | val |= PCI_IRQ_ENABLE; | |
197 | outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); | |
198 | } | |
199 | inithscxisac(cs, 3); | |
200 | } | |
201 | ||
1d02a030 | 202 | static int niccy_card_msg(struct IsdnCardState *cs, int mt, void *arg) |
1da177e4 LT |
203 | { |
204 | u_long flags; | |
205 | ||
206 | switch (mt) { | |
1d02a030 JS |
207 | case CARD_RESET: |
208 | spin_lock_irqsave(&cs->lock, flags); | |
209 | niccy_reset(cs); | |
210 | spin_unlock_irqrestore(&cs->lock, flags); | |
211 | return 0; | |
212 | case CARD_RELEASE: | |
213 | release_io_niccy(cs); | |
214 | return 0; | |
215 | case CARD_INIT: | |
216 | spin_lock_irqsave(&cs->lock, flags); | |
217 | niccy_reset(cs); | |
218 | spin_unlock_irqrestore(&cs->lock, flags); | |
219 | return 0; | |
220 | case CARD_TEST: | |
221 | return 0; | |
1da177e4 | 222 | } |
1d02a030 | 223 | return 0; |
1da177e4 LT |
224 | } |
225 | ||
67eb5db5 | 226 | static struct pci_dev *niccy_dev __devinitdata = NULL; |
1da177e4 LT |
227 | #ifdef __ISAPNP__ |
228 | static struct pnp_card *pnp_c __devinitdata = NULL; | |
229 | #endif | |
230 | ||
1d02a030 | 231 | int __devinit setup_niccy(struct IsdnCard *card) |
1da177e4 LT |
232 | { |
233 | struct IsdnCardState *cs = card->cs; | |
234 | char tmp[64]; | |
235 | ||
236 | strcpy(tmp, niccy_revision); | |
237 | printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp)); | |
238 | if (cs->typ != ISDN_CTYPE_NICCY) | |
1d02a030 | 239 | return 0; |
1da177e4 LT |
240 | #ifdef __ISAPNP__ |
241 | if (!card->para[1] && isapnp_present()) { | |
242 | struct pnp_dev *pnp_d = NULL; | |
243 | int err; | |
244 | ||
1d02a030 JS |
245 | pnp_c = pnp_find_card(ISAPNP_VENDOR('S', 'D', 'A'), |
246 | ISAPNP_FUNCTION(0x0150), pnp_c); | |
247 | if (pnp_c) { | |
248 | pnp_d = pnp_find_dev(pnp_c, | |
249 | ISAPNP_VENDOR('S', 'D', 'A'), | |
250 | ISAPNP_FUNCTION(0x0150), pnp_d); | |
251 | if (!pnp_d) { | |
252 | printk(KERN_ERR "NiccyPnP: PnP error card " | |
253 | "found, no device\n"); | |
254 | return 0; | |
1da177e4 LT |
255 | } |
256 | pnp_disable_dev(pnp_d); | |
257 | err = pnp_activate_dev(pnp_d); | |
1d02a030 JS |
258 | if (err < 0) { |
259 | printk(KERN_WARNING "%s: pnp_activate_dev " | |
260 | "ret(%d)\n", __FUNCTION__, err); | |
261 | return 0; | |
1da177e4 LT |
262 | } |
263 | card->para[1] = pnp_port_start(pnp_d, 0); | |
264 | card->para[2] = pnp_port_start(pnp_d, 1); | |
265 | card->para[0] = pnp_irq(pnp_d, 0); | |
1d02a030 JS |
266 | if (!card->para[0] || !card->para[1] || |
267 | !card->para[2]) { | |
268 | printk(KERN_ERR "NiccyPnP:some resources are " | |
269 | "missing %ld/%lx/%lx\n", | |
270 | card->para[0], card->para[1], | |
271 | card->para[2]); | |
1da177e4 | 272 | pnp_disable_dev(pnp_d); |
1d02a030 | 273 | return 0; |
1da177e4 | 274 | } |
1d02a030 | 275 | } else |
1da177e4 | 276 | printk(KERN_INFO "NiccyPnP: no ISAPnP card found\n"); |
1da177e4 LT |
277 | } |
278 | #endif | |
279 | if (card->para[1]) { | |
280 | cs->hw.niccy.isac = card->para[1] + ISAC_PNP; | |
281 | cs->hw.niccy.hscx = card->para[1] + HSCX_PNP; | |
282 | cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP; | |
283 | cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP; | |
284 | cs->hw.niccy.cfg_reg = 0; | |
285 | cs->subtyp = NICCY_PNP; | |
286 | cs->irq = card->para[0]; | |
287 | if (!request_region(cs->hw.niccy.isac, 2, "niccy data")) { | |
1d02a030 JS |
288 | printk(KERN_WARNING "HiSax: %s data port %x-%x " |
289 | "already in use\n", CardType[card->typ], | |
290 | cs->hw.niccy.isac, cs->hw.niccy.isac + 1); | |
291 | return 0; | |
1da177e4 LT |
292 | } |
293 | if (!request_region(cs->hw.niccy.isac_ale, 2, "niccy addr")) { | |
1d02a030 JS |
294 | printk(KERN_WARNING "HiSax: %s address port %x-%x " |
295 | "already in use\n", CardType[card->typ], | |
1da177e4 LT |
296 | cs->hw.niccy.isac_ale, |
297 | cs->hw.niccy.isac_ale + 1); | |
298 | release_region(cs->hw.niccy.isac, 2); | |
1d02a030 | 299 | return 0; |
1da177e4 LT |
300 | } |
301 | } else { | |
302 | #ifdef CONFIG_PCI | |
303 | u_int pci_ioaddr; | |
304 | cs->subtyp = 0; | |
305 | if ((niccy_dev = pci_find_device(PCI_VENDOR_ID_SATSAGEM, | |
1d02a030 JS |
306 | PCI_DEVICE_ID_SATSAGEM_NICCY, |
307 | niccy_dev))) { | |
1da177e4 | 308 | if (pci_enable_device(niccy_dev)) |
1d02a030 | 309 | return 0; |
1da177e4 LT |
310 | /* get IRQ */ |
311 | if (!niccy_dev->irq) { | |
1d02a030 JS |
312 | printk(KERN_WARNING |
313 | "Niccy: No IRQ for PCI card found\n"); | |
314 | return 0; | |
1da177e4 LT |
315 | } |
316 | cs->irq = niccy_dev->irq; | |
317 | cs->hw.niccy.cfg_reg = pci_resource_start(niccy_dev, 0); | |
318 | if (!cs->hw.niccy.cfg_reg) { | |
1d02a030 JS |
319 | printk(KERN_WARNING |
320 | "Niccy: No IO-Adr for PCI cfg found\n"); | |
321 | return 0; | |
1da177e4 LT |
322 | } |
323 | pci_ioaddr = pci_resource_start(niccy_dev, 1); | |
324 | if (!pci_ioaddr) { | |
1d02a030 JS |
325 | printk(KERN_WARNING |
326 | "Niccy: No IO-Adr for PCI card found\n"); | |
327 | return 0; | |
1da177e4 LT |
328 | } |
329 | cs->subtyp = NICCY_PCI; | |
330 | } else { | |
331 | printk(KERN_WARNING "Niccy: No PCI card found\n"); | |
1d02a030 | 332 | return 0; |
1da177e4 | 333 | } |
9ba02bec | 334 | cs->irq_flags |= IRQF_SHARED; |
1da177e4 LT |
335 | cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA; |
336 | cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR; | |
337 | cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA; | |
338 | cs->hw.niccy.hscx_ale = pci_ioaddr + HSCX_PCI_ADDR; | |
339 | if (!request_region(cs->hw.niccy.isac, 4, "niccy")) { | |
340 | printk(KERN_WARNING | |
1d02a030 JS |
341 | "HiSax: %s data port %x-%x already in use\n", |
342 | CardType[card->typ], | |
343 | cs->hw.niccy.isac, cs->hw.niccy.isac + 4); | |
344 | return 0; | |
1da177e4 LT |
345 | } |
346 | if (!request_region(cs->hw.niccy.cfg_reg, 0x40, "niccy pci")) { | |
347 | printk(KERN_WARNING | |
348 | "HiSax: %s pci port %x-%x already in use\n", | |
1d02a030 JS |
349 | CardType[card->typ], |
350 | cs->hw.niccy.cfg_reg, | |
351 | cs->hw.niccy.cfg_reg + 0x40); | |
1da177e4 | 352 | release_region(cs->hw.niccy.isac, 4); |
1d02a030 | 353 | return 0; |
1da177e4 LT |
354 | } |
355 | #else | |
356 | printk(KERN_WARNING "Niccy: io0 0 and NO_PCI_BIOS\n"); | |
357 | printk(KERN_WARNING "Niccy: unable to config NICCY PCI\n"); | |
1d02a030 JS |
358 | return 0; |
359 | #endif /* CONFIG_PCI */ | |
1da177e4 LT |
360 | } |
361 | printk(KERN_INFO "HiSax: %s %s config irq:%d data:0x%X ale:0x%X\n", | |
1d02a030 | 362 | CardType[cs->typ], (cs->subtyp == 1) ? "PnP" : "PCI", |
1da177e4 LT |
363 | cs->irq, cs->hw.niccy.isac, cs->hw.niccy.isac_ale); |
364 | setup_isac(cs); | |
365 | cs->readisac = &ReadISAC; | |
366 | cs->writeisac = &WriteISAC; | |
367 | cs->readisacfifo = &ReadISACfifo; | |
368 | cs->writeisacfifo = &WriteISACfifo; | |
369 | cs->BC_Read_Reg = &ReadHSCX; | |
370 | cs->BC_Write_Reg = &WriteHSCX; | |
371 | cs->BC_Send_Data = &hscx_fill_fifo; | |
372 | cs->cardmsg = &niccy_card_msg; | |
373 | cs->irq_func = &niccy_interrupt; | |
374 | ISACVersion(cs, "Niccy:"); | |
375 | if (HscxVersion(cs, "Niccy:")) { | |
1d02a030 JS |
376 | printk(KERN_WARNING "Niccy: wrong HSCX versions check IO " |
377 | "address\n"); | |
1da177e4 | 378 | release_io_niccy(cs); |
1d02a030 | 379 | return 0; |
1da177e4 | 380 | } |
1d02a030 | 381 | return 1; |
1da177e4 | 382 | } |