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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | Device driver for Intel 82365 and compatible PC Card controllers. | |
4 | ||
5 | i82365.c 1.265 1999/11/10 18:36:21 | |
6 | ||
7 | The contents of this file are subject to the Mozilla Public | |
8 | License Version 1.1 (the "License"); you may not use this file | |
9 | except in compliance with the License. You may obtain a copy of | |
10 | the License at http://www.mozilla.org/MPL/ | |
11 | ||
12 | Software distributed under the License is distributed on an "AS | |
13 | IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
14 | implied. See the License for the specific language governing | |
15 | rights and limitations under the License. | |
16 | ||
17 | The initial developer of the original code is David A. Hinds | |
18 | <[email protected]>. Portions created by David A. Hinds | |
19 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. | |
20 | ||
21 | Alternatively, the contents of this file may be used under the | |
22 | terms of the GNU General Public License version 2 (the "GPL"), in which | |
23 | case the provisions of the GPL are applicable instead of the | |
24 | above. If you wish to allow the use of your version of this file | |
25 | only under the terms of the GPL and not to allow others to use | |
26 | your version of this file under the MPL, indicate your decision | |
27 | by deleting the provisions above and replace them with the notice | |
28 | and other provisions required by the GPL. If you do not delete | |
29 | the provisions above, a recipient may use your version of this | |
30 | file under either the MPL or the GPL. | |
31 | ||
32 | ======================================================================*/ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/moduleparam.h> | |
36 | #include <linux/init.h> | |
1da177e4 LT |
37 | #include <linux/types.h> |
38 | #include <linux/fcntl.h> | |
39 | #include <linux/string.h> | |
40 | #include <linux/kernel.h> | |
41 | #include <linux/errno.h> | |
42 | #include <linux/timer.h> | |
1da177e4 LT |
43 | #include <linux/slab.h> |
44 | #include <linux/ioport.h> | |
45 | #include <linux/delay.h> | |
46 | #include <linux/workqueue.h> | |
47 | #include <linux/interrupt.h> | |
d052d1be | 48 | #include <linux/platform_device.h> |
1da177e4 LT |
49 | #include <linux/bitops.h> |
50 | #include <asm/irq.h> | |
51 | #include <asm/io.h> | |
52 | #include <asm/system.h> | |
53 | ||
1da177e4 LT |
54 | #include <pcmcia/cs_types.h> |
55 | #include <pcmcia/ss.h> | |
56 | #include <pcmcia/cs.h> | |
57 | ||
58 | #include <linux/isapnp.h> | |
59 | ||
60 | /* ISA-bus controllers */ | |
61 | #include "i82365.h" | |
62 | #include "cirrus.h" | |
63 | #include "vg468.h" | |
64 | #include "ricoh.h" | |
65 | ||
66 | #ifdef DEBUG | |
67 | static const char version[] = | |
68 | "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)"; | |
69 | ||
70 | static int pc_debug; | |
71 | ||
72 | module_param(pc_debug, int, 0644); | |
73 | ||
74 | #define debug(lvl, fmt, arg...) do { \ | |
75 | if (pc_debug > (lvl)) \ | |
76 | printk(KERN_DEBUG "i82365: " fmt , ## arg); \ | |
77 | } while (0) | |
78 | #else | |
79 | #define debug(lvl, fmt, arg...) do { } while (0) | |
80 | #endif | |
81 | ||
7d12e780 | 82 | static irqreturn_t i365_count_irq(int, void *); |
1da177e4 LT |
83 | static inline int _check_irq(int irq, int flags) |
84 | { | |
85 | if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0) | |
86 | return -1; | |
87 | free_irq(irq, i365_count_irq); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | /*====================================================================*/ | |
92 | ||
93 | /* Parameters that can be set with 'insmod' */ | |
94 | ||
95 | /* Default base address for i82365sl and other ISA chips */ | |
96 | static unsigned long i365_base = 0x3e0; | |
97 | /* Should we probe at 0x3e2 for an extra ISA controller? */ | |
98 | static int extra_sockets = 0; | |
99 | /* Specify a socket number to ignore */ | |
100 | static int ignore = -1; | |
101 | /* Bit map or list of interrupts to choose from */ | |
102 | static u_int irq_mask = 0xffff; | |
103 | static int irq_list[16]; | |
104 | static int irq_list_count; | |
105 | /* The card status change interrupt -- 0 means autoselect */ | |
106 | static int cs_irq = 0; | |
107 | ||
108 | /* Probe for safe interrupts? */ | |
109 | static int do_scan = 1; | |
110 | /* Poll status interval -- 0 means default to interrupt */ | |
111 | static int poll_interval = 0; | |
112 | /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */ | |
113 | static int cycle_time = 120; | |
114 | ||
115 | /* Cirrus options */ | |
116 | static int has_dma = -1; | |
117 | static int has_led = -1; | |
118 | static int has_ring = -1; | |
119 | static int dynamic_mode = 0; | |
120 | static int freq_bypass = -1; | |
121 | static int setup_time = -1; | |
122 | static int cmd_time = -1; | |
123 | static int recov_time = -1; | |
124 | ||
125 | /* Vadem options */ | |
126 | static int async_clock = -1; | |
127 | static int cable_mode = -1; | |
128 | static int wakeup = 0; | |
129 | ||
130 | module_param(i365_base, ulong, 0444); | |
131 | module_param(ignore, int, 0444); | |
132 | module_param(extra_sockets, int, 0444); | |
133 | module_param(irq_mask, int, 0444); | |
134 | module_param_array(irq_list, int, &irq_list_count, 0444); | |
135 | module_param(cs_irq, int, 0444); | |
136 | module_param(async_clock, int, 0444); | |
137 | module_param(cable_mode, int, 0444); | |
138 | module_param(wakeup, int, 0444); | |
139 | ||
140 | module_param(do_scan, int, 0444); | |
141 | module_param(poll_interval, int, 0444); | |
142 | module_param(cycle_time, int, 0444); | |
143 | module_param(has_dma, int, 0444); | |
144 | module_param(has_led, int, 0444); | |
145 | module_param(has_ring, int, 0444); | |
146 | module_param(dynamic_mode, int, 0444); | |
147 | module_param(freq_bypass, int, 0444); | |
148 | module_param(setup_time, int, 0444); | |
149 | module_param(cmd_time, int, 0444); | |
150 | module_param(recov_time, int, 0444); | |
151 | ||
152 | /*====================================================================*/ | |
153 | ||
154 | typedef struct cirrus_state_t { | |
155 | u_char misc1, misc2; | |
156 | u_char timer[6]; | |
157 | } cirrus_state_t; | |
158 | ||
159 | typedef struct vg46x_state_t { | |
160 | u_char ctl, ema; | |
161 | } vg46x_state_t; | |
162 | ||
163 | struct i82365_socket { | |
164 | u_short type, flags; | |
165 | struct pcmcia_socket socket; | |
166 | unsigned int number; | |
167 | kio_addr_t ioaddr; | |
168 | u_short psock; | |
169 | u_char cs_irq, intr; | |
170 | union { | |
171 | cirrus_state_t cirrus; | |
172 | vg46x_state_t vg46x; | |
173 | } state; | |
174 | }; | |
175 | ||
176 | /* Where we keep track of our sockets... */ | |
177 | static int sockets = 0; | |
178 | static struct i82365_socket socket[8] = { | |
179 | { 0, }, /* ... */ | |
180 | }; | |
181 | ||
182 | /* Default ISA interrupt mask */ | |
183 | #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */ | |
184 | ||
185 | static int grab_irq; | |
186 | static DEFINE_SPINLOCK(isa_lock); | |
187 | #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f) | |
188 | #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f) | |
189 | ||
190 | static struct timer_list poll_timer; | |
191 | ||
192 | /*====================================================================*/ | |
193 | ||
194 | /* These definitions must match the pcic table! */ | |
195 | typedef enum pcic_id { | |
196 | IS_I82365A, IS_I82365B, IS_I82365DF, | |
197 | IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469, | |
198 | IS_PD6710, IS_PD672X, IS_VT83C469, | |
199 | } pcic_id; | |
200 | ||
201 | /* Flags for classifying groups of controllers */ | |
202 | #define IS_VADEM 0x0001 | |
203 | #define IS_CIRRUS 0x0002 | |
204 | #define IS_VIA 0x0010 | |
205 | #define IS_UNKNOWN 0x0400 | |
206 | #define IS_VG_PWR 0x0800 | |
207 | #define IS_DF_PWR 0x1000 | |
208 | #define IS_REGISTERED 0x2000 | |
209 | #define IS_ALIVE 0x8000 | |
210 | ||
211 | typedef struct pcic_t { | |
212 | char *name; | |
213 | u_short flags; | |
214 | } pcic_t; | |
215 | ||
216 | static pcic_t pcic[] = { | |
217 | { "Intel i82365sl A step", 0 }, | |
218 | { "Intel i82365sl B step", 0 }, | |
219 | { "Intel i82365sl DF", IS_DF_PWR }, | |
220 | { "IBM Clone", 0 }, | |
221 | { "Ricoh RF5C296/396", 0 }, | |
222 | { "VLSI 82C146", 0 }, | |
223 | { "Vadem VG-468", IS_VADEM }, | |
224 | { "Vadem VG-469", IS_VADEM|IS_VG_PWR }, | |
225 | { "Cirrus PD6710", IS_CIRRUS }, | |
226 | { "Cirrus PD672x", IS_CIRRUS }, | |
227 | { "VIA VT83C469", IS_CIRRUS|IS_VIA }, | |
228 | }; | |
229 | ||
230 | #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t)) | |
231 | ||
232 | /*====================================================================*/ | |
233 | ||
234 | static DEFINE_SPINLOCK(bus_lock); | |
235 | ||
236 | static u_char i365_get(u_short sock, u_short reg) | |
237 | { | |
238 | unsigned long flags; | |
239 | spin_lock_irqsave(&bus_lock,flags); | |
240 | { | |
241 | kio_addr_t port = socket[sock].ioaddr; | |
242 | u_char val; | |
243 | reg = I365_REG(socket[sock].psock, reg); | |
244 | outb(reg, port); val = inb(port+1); | |
245 | spin_unlock_irqrestore(&bus_lock,flags); | |
246 | return val; | |
247 | } | |
248 | } | |
249 | ||
250 | static void i365_set(u_short sock, u_short reg, u_char data) | |
251 | { | |
252 | unsigned long flags; | |
253 | spin_lock_irqsave(&bus_lock,flags); | |
254 | { | |
255 | kio_addr_t port = socket[sock].ioaddr; | |
256 | u_char val = I365_REG(socket[sock].psock, reg); | |
257 | outb(val, port); outb(data, port+1); | |
258 | spin_unlock_irqrestore(&bus_lock,flags); | |
259 | } | |
260 | } | |
261 | ||
262 | static void i365_bset(u_short sock, u_short reg, u_char mask) | |
263 | { | |
264 | u_char d = i365_get(sock, reg); | |
265 | d |= mask; | |
266 | i365_set(sock, reg, d); | |
267 | } | |
268 | ||
269 | static void i365_bclr(u_short sock, u_short reg, u_char mask) | |
270 | { | |
271 | u_char d = i365_get(sock, reg); | |
272 | d &= ~mask; | |
273 | i365_set(sock, reg, d); | |
274 | } | |
275 | ||
276 | static void i365_bflip(u_short sock, u_short reg, u_char mask, int b) | |
277 | { | |
278 | u_char d = i365_get(sock, reg); | |
279 | if (b) | |
280 | d |= mask; | |
281 | else | |
282 | d &= ~mask; | |
283 | i365_set(sock, reg, d); | |
284 | } | |
285 | ||
286 | static u_short i365_get_pair(u_short sock, u_short reg) | |
287 | { | |
288 | u_short a, b; | |
289 | a = i365_get(sock, reg); | |
290 | b = i365_get(sock, reg+1); | |
291 | return (a + (b<<8)); | |
292 | } | |
293 | ||
294 | static void i365_set_pair(u_short sock, u_short reg, u_short data) | |
295 | { | |
296 | i365_set(sock, reg, data & 0xff); | |
297 | i365_set(sock, reg+1, data >> 8); | |
298 | } | |
299 | ||
300 | /*====================================================================== | |
301 | ||
302 | Code to save and restore global state information for Cirrus | |
303 | PD67xx controllers, and to set and report global configuration | |
304 | options. | |
305 | ||
306 | The VIA controllers also use these routines, as they are mostly | |
307 | Cirrus lookalikes, without the timing registers. | |
308 | ||
309 | ======================================================================*/ | |
310 | ||
311 | #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b)))) | |
312 | ||
313 | static void cirrus_get_state(u_short s) | |
314 | { | |
315 | int i; | |
316 | cirrus_state_t *p = &socket[s].state.cirrus; | |
317 | p->misc1 = i365_get(s, PD67_MISC_CTL_1); | |
318 | p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); | |
319 | p->misc2 = i365_get(s, PD67_MISC_CTL_2); | |
320 | for (i = 0; i < 6; i++) | |
321 | p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i); | |
322 | } | |
323 | ||
324 | static void cirrus_set_state(u_short s) | |
325 | { | |
326 | int i; | |
327 | u_char misc; | |
328 | cirrus_state_t *p = &socket[s].state.cirrus; | |
329 | ||
330 | misc = i365_get(s, PD67_MISC_CTL_2); | |
331 | i365_set(s, PD67_MISC_CTL_2, p->misc2); | |
332 | if (misc & PD67_MC2_SUSPEND) mdelay(50); | |
333 | misc = i365_get(s, PD67_MISC_CTL_1); | |
334 | misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); | |
335 | i365_set(s, PD67_MISC_CTL_1, misc | p->misc1); | |
336 | for (i = 0; i < 6; i++) | |
337 | i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]); | |
338 | } | |
339 | ||
340 | static u_int __init cirrus_set_opts(u_short s, char *buf) | |
341 | { | |
342 | struct i82365_socket *t = &socket[s]; | |
343 | cirrus_state_t *p = &socket[s].state.cirrus; | |
344 | u_int mask = 0xffff; | |
345 | ||
346 | if (has_ring == -1) has_ring = 1; | |
347 | flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring); | |
348 | flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode); | |
349 | flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass); | |
350 | if (p->misc2 & PD67_MC2_IRQ15_RI) | |
351 | strcat(buf, " [ring]"); | |
352 | if (p->misc2 & PD67_MC2_DYNAMIC_MODE) | |
353 | strcat(buf, " [dyn mode]"); | |
354 | if (p->misc2 & PD67_MC2_FREQ_BYPASS) | |
355 | strcat(buf, " [freq bypass]"); | |
356 | if (p->misc1 & PD67_MC1_INPACK_ENA) | |
357 | strcat(buf, " [inpack]"); | |
358 | if (p->misc2 & PD67_MC2_IRQ15_RI) | |
359 | mask &= ~0x8000; | |
360 | if (has_led > 0) { | |
361 | strcat(buf, " [led]"); | |
362 | mask &= ~0x1000; | |
363 | } | |
364 | if (has_dma > 0) { | |
365 | strcat(buf, " [dma]"); | |
366 | mask &= ~0x0600; | |
367 | } | |
368 | if (!(t->flags & IS_VIA)) { | |
369 | if (setup_time >= 0) | |
370 | p->timer[0] = p->timer[3] = setup_time; | |
371 | if (cmd_time > 0) { | |
372 | p->timer[1] = cmd_time; | |
373 | p->timer[4] = cmd_time*2+4; | |
374 | } | |
375 | if (p->timer[1] == 0) { | |
376 | p->timer[1] = 6; p->timer[4] = 16; | |
377 | if (p->timer[0] == 0) | |
378 | p->timer[0] = p->timer[3] = 1; | |
379 | } | |
380 | if (recov_time >= 0) | |
381 | p->timer[2] = p->timer[5] = recov_time; | |
382 | buf += strlen(buf); | |
383 | sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1], | |
384 | p->timer[2], p->timer[3], p->timer[4], p->timer[5]); | |
385 | } | |
386 | return mask; | |
387 | } | |
388 | ||
389 | /*====================================================================== | |
390 | ||
391 | Code to save and restore global state information for Vadem VG468 | |
392 | and VG469 controllers, and to set and report global configuration | |
393 | options. | |
394 | ||
395 | ======================================================================*/ | |
396 | ||
397 | static void vg46x_get_state(u_short s) | |
398 | { | |
399 | vg46x_state_t *p = &socket[s].state.vg46x; | |
400 | p->ctl = i365_get(s, VG468_CTL); | |
401 | if (socket[s].type == IS_VG469) | |
402 | p->ema = i365_get(s, VG469_EXT_MODE); | |
403 | } | |
404 | ||
405 | static void vg46x_set_state(u_short s) | |
406 | { | |
407 | vg46x_state_t *p = &socket[s].state.vg46x; | |
408 | i365_set(s, VG468_CTL, p->ctl); | |
409 | if (socket[s].type == IS_VG469) | |
410 | i365_set(s, VG469_EXT_MODE, p->ema); | |
411 | } | |
412 | ||
413 | static u_int __init vg46x_set_opts(u_short s, char *buf) | |
414 | { | |
415 | vg46x_state_t *p = &socket[s].state.vg46x; | |
416 | ||
417 | flip(p->ctl, VG468_CTL_ASYNC, async_clock); | |
418 | flip(p->ema, VG469_MODE_CABLE, cable_mode); | |
419 | if (p->ctl & VG468_CTL_ASYNC) | |
420 | strcat(buf, " [async]"); | |
421 | if (p->ctl & VG468_CTL_INPACK) | |
422 | strcat(buf, " [inpack]"); | |
423 | if (socket[s].type == IS_VG469) { | |
424 | u_char vsel = i365_get(s, VG469_VSELECT); | |
425 | if (vsel & VG469_VSEL_EXT_STAT) { | |
426 | strcat(buf, " [ext mode]"); | |
427 | if (vsel & VG469_VSEL_EXT_BUS) | |
428 | strcat(buf, " [isa buf]"); | |
429 | } | |
430 | if (p->ema & VG469_MODE_CABLE) | |
431 | strcat(buf, " [cable]"); | |
432 | if (p->ema & VG469_MODE_COMPAT) | |
433 | strcat(buf, " [c step]"); | |
434 | } | |
435 | return 0xffff; | |
436 | } | |
437 | ||
438 | /*====================================================================== | |
439 | ||
440 | Generic routines to get and set controller options | |
441 | ||
442 | ======================================================================*/ | |
443 | ||
444 | static void get_bridge_state(u_short s) | |
445 | { | |
446 | struct i82365_socket *t = &socket[s]; | |
447 | if (t->flags & IS_CIRRUS) | |
448 | cirrus_get_state(s); | |
449 | else if (t->flags & IS_VADEM) | |
450 | vg46x_get_state(s); | |
451 | } | |
452 | ||
453 | static void set_bridge_state(u_short s) | |
454 | { | |
455 | struct i82365_socket *t = &socket[s]; | |
456 | if (t->flags & IS_CIRRUS) | |
457 | cirrus_set_state(s); | |
458 | else { | |
459 | i365_set(s, I365_GBLCTL, 0x00); | |
460 | i365_set(s, I365_GENCTL, 0x00); | |
461 | } | |
462 | i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr); | |
463 | if (t->flags & IS_VADEM) | |
464 | vg46x_set_state(s); | |
465 | } | |
466 | ||
467 | static u_int __init set_bridge_opts(u_short s, u_short ns) | |
468 | { | |
469 | u_short i; | |
470 | u_int m = 0xffff; | |
471 | char buf[128]; | |
472 | ||
473 | for (i = s; i < s+ns; i++) { | |
474 | if (socket[i].flags & IS_ALIVE) { | |
475 | printk(KERN_INFO " host opts [%d]: already alive!\n", i); | |
476 | continue; | |
477 | } | |
478 | buf[0] = '\0'; | |
479 | get_bridge_state(i); | |
480 | if (socket[i].flags & IS_CIRRUS) | |
481 | m = cirrus_set_opts(i, buf); | |
482 | else if (socket[i].flags & IS_VADEM) | |
483 | m = vg46x_set_opts(i, buf); | |
484 | set_bridge_state(i); | |
485 | printk(KERN_INFO " host opts [%d]:%s\n", i, | |
486 | (*buf) ? buf : " none"); | |
487 | } | |
488 | return m; | |
489 | } | |
490 | ||
491 | /*====================================================================== | |
492 | ||
493 | Interrupt testing code, for ISA and PCI interrupts | |
494 | ||
495 | ======================================================================*/ | |
496 | ||
497 | static volatile u_int irq_hits; | |
498 | static u_short irq_sock; | |
499 | ||
7d12e780 | 500 | static irqreturn_t i365_count_irq(int irq, void *dev) |
1da177e4 LT |
501 | { |
502 | i365_get(irq_sock, I365_CSC); | |
503 | irq_hits++; | |
504 | debug(2, "-> hit on irq %d\n", irq); | |
505 | return IRQ_HANDLED; | |
506 | } | |
507 | ||
508 | static u_int __init test_irq(u_short sock, int irq) | |
509 | { | |
510 | debug(2, " testing ISA irq %d\n", irq); | |
dace1453 | 511 | if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan", |
13e87ec6 | 512 | i365_count_irq) != 0) |
1da177e4 LT |
513 | return 1; |
514 | irq_hits = 0; irq_sock = sock; | |
515 | msleep(10); | |
516 | if (irq_hits) { | |
517 | free_irq(irq, i365_count_irq); | |
518 | debug(2, " spurious hit!\n"); | |
519 | return 1; | |
520 | } | |
521 | ||
522 | /* Generate one interrupt */ | |
523 | i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4)); | |
524 | i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ); | |
525 | udelay(1000); | |
526 | ||
527 | free_irq(irq, i365_count_irq); | |
528 | ||
529 | /* mask all interrupts */ | |
530 | i365_set(sock, I365_CSCINT, 0); | |
531 | debug(2, " hits = %d\n", irq_hits); | |
532 | ||
533 | return (irq_hits != 1); | |
534 | } | |
535 | ||
536 | static u_int __init isa_scan(u_short sock, u_int mask0) | |
537 | { | |
538 | u_int mask1 = 0; | |
539 | int i; | |
540 | ||
541 | #ifdef __alpha__ | |
542 | #define PIC 0x4d0 | |
543 | /* Don't probe level-triggered interrupts -- reserved for PCI */ | |
544 | mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8)); | |
545 | #endif | |
546 | ||
547 | if (do_scan) { | |
548 | set_bridge_state(sock); | |
549 | i365_set(sock, I365_CSCINT, 0); | |
550 | for (i = 0; i < 16; i++) | |
551 | if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0)) | |
552 | mask1 |= (1 << i); | |
553 | for (i = 0; i < 16; i++) | |
554 | if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0)) | |
555 | mask1 ^= (1 << i); | |
556 | } | |
557 | ||
558 | printk(KERN_INFO " ISA irqs ("); | |
559 | if (mask1) { | |
560 | printk("scanned"); | |
561 | } else { | |
562 | /* Fallback: just find interrupts that aren't in use */ | |
563 | for (i = 0; i < 16; i++) | |
dace1453 | 564 | if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0)) |
1da177e4 LT |
565 | mask1 |= (1 << i); |
566 | printk("default"); | |
567 | /* If scan failed, default to polled status */ | |
568 | if (!cs_irq && (poll_interval == 0)) poll_interval = HZ; | |
569 | } | |
570 | printk(") = "); | |
571 | ||
572 | for (i = 0; i < 16; i++) | |
573 | if (mask1 & (1<<i)) | |
574 | printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i); | |
575 | if (mask1 == 0) printk("none!"); | |
576 | ||
577 | return mask1; | |
578 | } | |
579 | ||
580 | /*====================================================================*/ | |
581 | ||
582 | /* Time conversion functions */ | |
583 | ||
584 | static int to_cycles(int ns) | |
585 | { | |
586 | return ns/cycle_time; | |
587 | } | |
588 | ||
589 | /*====================================================================*/ | |
590 | ||
591 | static int __init identify(kio_addr_t port, u_short sock) | |
592 | { | |
593 | u_char val; | |
594 | int type = -1; | |
595 | ||
596 | /* Use the next free entry in the socket table */ | |
597 | socket[sockets].ioaddr = port; | |
598 | socket[sockets].psock = sock; | |
599 | ||
600 | /* Wake up a sleepy Cirrus controller */ | |
601 | if (wakeup) { | |
602 | i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND); | |
603 | /* Pause at least 50 ms */ | |
604 | mdelay(50); | |
605 | } | |
606 | ||
607 | if ((val = i365_get(sockets, I365_IDENT)) & 0x70) | |
608 | return -1; | |
609 | switch (val) { | |
610 | case 0x82: | |
611 | type = IS_I82365A; break; | |
612 | case 0x83: | |
613 | type = IS_I82365B; break; | |
614 | case 0x84: | |
615 | type = IS_I82365DF; break; | |
616 | case 0x88: case 0x89: case 0x8a: | |
617 | type = IS_IBM; break; | |
618 | } | |
619 | ||
620 | /* Check for Vadem VG-468 chips */ | |
621 | outb(0x0e, port); | |
622 | outb(0x37, port); | |
623 | i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV); | |
624 | val = i365_get(sockets, I365_IDENT); | |
625 | if (val & I365_IDENT_VADEM) { | |
626 | i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV); | |
627 | type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468; | |
628 | } | |
629 | ||
630 | /* Check for Ricoh chips */ | |
631 | val = i365_get(sockets, RF5C_CHIP_ID); | |
632 | if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396)) | |
633 | type = IS_RF5Cx96; | |
634 | ||
635 | /* Check for Cirrus CL-PD67xx chips */ | |
636 | i365_set(sockets, PD67_CHIP_INFO, 0); | |
637 | val = i365_get(sockets, PD67_CHIP_INFO); | |
638 | if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { | |
639 | val = i365_get(sockets, PD67_CHIP_INFO); | |
640 | if ((val & PD67_INFO_CHIP_ID) == 0) { | |
641 | type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710; | |
642 | i365_set(sockets, PD67_EXT_INDEX, 0xe5); | |
643 | if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5) | |
644 | type = IS_VT83C469; | |
645 | } | |
646 | } | |
647 | return type; | |
648 | } /* identify */ | |
649 | ||
650 | /*====================================================================== | |
651 | ||
652 | See if a card is present, powered up, in IO mode, and already | |
653 | bound to a (non PC Card) Linux driver. We leave these alone. | |
654 | ||
655 | We make an exception for cards that seem to be serial devices. | |
656 | ||
657 | ======================================================================*/ | |
658 | ||
659 | static int __init is_alive(u_short sock) | |
660 | { | |
661 | u_char stat; | |
662 | kio_addr_t start, stop; | |
663 | ||
664 | stat = i365_get(sock, I365_STATUS); | |
665 | start = i365_get_pair(sock, I365_IO(0)+I365_W_START); | |
666 | stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP); | |
667 | if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) && | |
668 | (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) && | |
669 | (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) && | |
f354942c DB |
670 | ((start & 0xfeef) != 0x02e8)) { |
671 | if (!request_region(start, stop-start+1, "i82365")) | |
672 | return 1; | |
673 | release_region(start, stop-start+1); | |
674 | } | |
675 | ||
676 | return 0; | |
1da177e4 LT |
677 | } |
678 | ||
679 | /*====================================================================*/ | |
680 | ||
681 | static void __init add_socket(kio_addr_t port, int psock, int type) | |
682 | { | |
683 | socket[sockets].ioaddr = port; | |
684 | socket[sockets].psock = psock; | |
685 | socket[sockets].type = type; | |
686 | socket[sockets].flags = pcic[type].flags; | |
687 | if (is_alive(sockets)) | |
688 | socket[sockets].flags |= IS_ALIVE; | |
689 | sockets++; | |
690 | } | |
691 | ||
692 | static void __init add_pcic(int ns, int type) | |
693 | { | |
694 | u_int mask = 0, i, base; | |
695 | int isa_irq = 0; | |
696 | struct i82365_socket *t = &socket[sockets-ns]; | |
697 | ||
698 | base = sockets-ns; | |
1da177e4 LT |
699 | if (base == 0) printk("\n"); |
700 | printk(KERN_INFO " %s", pcic[type].name); | |
701 | printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x", | |
702 | t->ioaddr, t->psock*0x40); | |
703 | printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : "")); | |
704 | ||
705 | /* Set host options, build basic interrupt mask */ | |
706 | if (irq_list_count == 0) | |
707 | mask = irq_mask; | |
708 | else | |
709 | for (i = mask = 0; i < irq_list_count; i++) | |
710 | mask |= (1<<irq_list[i]); | |
711 | mask &= I365_MASK & set_bridge_opts(base, ns); | |
712 | /* Scan for ISA interrupts */ | |
713 | mask = isa_scan(base, mask); | |
714 | ||
715 | /* Poll if only two interrupts available */ | |
716 | if (!poll_interval) { | |
717 | u_int tmp = (mask & 0xff20); | |
718 | tmp = tmp & (tmp-1); | |
719 | if ((tmp & (tmp-1)) == 0) | |
720 | poll_interval = HZ; | |
721 | } | |
722 | /* Only try an ISA cs_irq if this is the first controller */ | |
723 | if (!grab_irq && (cs_irq || !poll_interval)) { | |
724 | /* Avoid irq 12 unless it is explicitly requested */ | |
725 | u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12)); | |
726 | for (cs_irq = 15; cs_irq > 0; cs_irq--) | |
727 | if ((cs_mask & (1 << cs_irq)) && | |
dace1453 | 728 | (_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0)) |
1da177e4 LT |
729 | break; |
730 | if (cs_irq) { | |
731 | grab_irq = 1; | |
732 | isa_irq = cs_irq; | |
733 | printk(" status change on irq %d\n", cs_irq); | |
734 | } | |
735 | } | |
736 | ||
737 | if (!isa_irq) { | |
738 | if (poll_interval == 0) | |
739 | poll_interval = HZ; | |
740 | printk(" polling interval = %d ms\n", | |
741 | poll_interval * 1000 / HZ); | |
742 | ||
743 | } | |
744 | ||
745 | /* Update socket interrupt information, capabilities */ | |
746 | for (i = 0; i < ns; i++) { | |
747 | t[i].socket.features |= SS_CAP_PCCARD; | |
748 | t[i].socket.map_size = 0x1000; | |
749 | t[i].socket.irq_mask = mask; | |
750 | t[i].cs_irq = isa_irq; | |
751 | } | |
752 | ||
753 | } /* add_pcic */ | |
754 | ||
755 | /*====================================================================*/ | |
756 | ||
757 | #ifdef CONFIG_PNP | |
758 | static struct isapnp_device_id id_table[] __initdata = { | |
759 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
760 | ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" }, | |
761 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
762 | ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" }, | |
763 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
764 | ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" }, | |
765 | { 0 } | |
766 | }; | |
767 | MODULE_DEVICE_TABLE(isapnp, id_table); | |
768 | ||
769 | static struct pnp_dev *i82365_pnpdev; | |
770 | #endif | |
771 | ||
772 | static void __init isa_probe(void) | |
773 | { | |
774 | int i, j, sock, k, ns, id; | |
775 | kio_addr_t port; | |
776 | #ifdef CONFIG_PNP | |
777 | struct isapnp_device_id *devid; | |
778 | struct pnp_dev *dev; | |
779 | ||
780 | for (devid = id_table; devid->vendor; devid++) { | |
781 | if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) { | |
782 | ||
783 | if (pnp_device_attach(dev) < 0) | |
784 | continue; | |
785 | ||
786 | if (pnp_activate_dev(dev) < 0) { | |
787 | printk("activate failed\n"); | |
788 | pnp_device_detach(dev); | |
789 | break; | |
790 | } | |
791 | ||
792 | if (!pnp_port_valid(dev, 0)) { | |
793 | printk("invalid resources ?\n"); | |
794 | pnp_device_detach(dev); | |
795 | break; | |
796 | } | |
797 | i365_base = pnp_port_start(dev, 0); | |
798 | i82365_pnpdev = dev; | |
799 | break; | |
800 | } | |
801 | } | |
802 | #endif | |
803 | ||
f354942c | 804 | if (!request_region(i365_base, 2, "i82365")) { |
1da177e4 LT |
805 | if (sockets == 0) |
806 | printk("port conflict at %#lx\n", i365_base); | |
807 | return; | |
808 | } | |
809 | ||
810 | id = identify(i365_base, 0); | |
811 | if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) { | |
812 | for (i = 0; i < 4; i++) { | |
813 | if (i == ignore) continue; | |
814 | port = i365_base + ((i & 1) << 2) + ((i & 2) << 1); | |
815 | sock = (i & 1) << 1; | |
816 | if (identify(port, sock) == IS_I82365DF) { | |
817 | add_socket(port, sock, IS_VLSI); | |
818 | add_pcic(1, IS_VLSI); | |
819 | } | |
820 | } | |
821 | } else { | |
822 | for (i = 0; i < 8; i += 2) { | |
823 | if (sockets && !extra_sockets && (i == 4)) | |
824 | break; | |
825 | port = i365_base + 2*(i>>2); | |
826 | sock = (i & 3); | |
827 | id = identify(port, sock); | |
828 | if (id < 0) continue; | |
829 | ||
830 | for (j = ns = 0; j < 2; j++) { | |
831 | /* Does the socket exist? */ | |
832 | if ((ignore == i+j) || (identify(port, sock+j) < 0)) | |
833 | continue; | |
834 | /* Check for bad socket decode */ | |
835 | for (k = 0; k <= sockets; k++) | |
836 | i365_set(k, I365_MEM(0)+I365_W_OFF, k); | |
837 | for (k = 0; k <= sockets; k++) | |
838 | if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k) | |
839 | break; | |
840 | if (k <= sockets) break; | |
841 | add_socket(port, sock+j, id); ns++; | |
842 | } | |
843 | if (ns != 0) add_pcic(ns, id); | |
844 | } | |
845 | } | |
846 | } | |
847 | ||
848 | /*====================================================================*/ | |
849 | ||
7d12e780 | 850 | static irqreturn_t pcic_interrupt(int irq, void *dev) |
1da177e4 LT |
851 | { |
852 | int i, j, csc; | |
853 | u_int events, active; | |
854 | u_long flags = 0; | |
855 | int handled = 0; | |
856 | ||
857 | debug(4, "pcic_interrupt(%d)\n", irq); | |
858 | ||
859 | for (j = 0; j < 20; j++) { | |
860 | active = 0; | |
861 | for (i = 0; i < sockets; i++) { | |
862 | if (socket[i].cs_irq != irq) | |
863 | continue; | |
864 | handled = 1; | |
865 | ISA_LOCK(i, flags); | |
866 | csc = i365_get(i, I365_CSC); | |
867 | if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) { | |
868 | ISA_UNLOCK(i, flags); | |
869 | continue; | |
870 | } | |
871 | events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0; | |
872 | ||
873 | if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD) | |
874 | events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; | |
875 | else { | |
876 | events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; | |
877 | events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; | |
878 | events |= (csc & I365_CSC_READY) ? SS_READY : 0; | |
879 | } | |
880 | ISA_UNLOCK(i, flags); | |
881 | debug(2, "socket %d event 0x%02x\n", i, events); | |
882 | ||
883 | if (events) | |
884 | pcmcia_parse_events(&socket[i].socket, events); | |
885 | ||
886 | active |= events; | |
887 | } | |
888 | if (!active) break; | |
889 | } | |
890 | if (j == 20) | |
891 | printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n"); | |
892 | ||
893 | debug(4, "interrupt done\n"); | |
894 | return IRQ_RETVAL(handled); | |
895 | } /* pcic_interrupt */ | |
896 | ||
897 | static void pcic_interrupt_wrapper(u_long data) | |
898 | { | |
7d12e780 | 899 | pcic_interrupt(0, NULL); |
1da177e4 LT |
900 | poll_timer.expires = jiffies + poll_interval; |
901 | add_timer(&poll_timer); | |
902 | } | |
903 | ||
904 | /*====================================================================*/ | |
905 | ||
906 | static int i365_get_status(u_short sock, u_int *value) | |
907 | { | |
908 | u_int status; | |
909 | ||
910 | status = i365_get(sock, I365_STATUS); | |
911 | *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) | |
912 | ? SS_DETECT : 0; | |
913 | ||
914 | if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) | |
915 | *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; | |
916 | else { | |
917 | *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; | |
918 | *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; | |
919 | } | |
920 | *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; | |
921 | *value |= (status & I365_CS_READY) ? SS_READY : 0; | |
922 | *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; | |
923 | ||
924 | if (socket[sock].type == IS_VG469) { | |
925 | status = i365_get(sock, VG469_VSENSE); | |
926 | if (socket[sock].psock & 1) { | |
927 | *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD; | |
928 | *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD; | |
929 | } else { | |
930 | *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD; | |
931 | *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD; | |
932 | } | |
933 | } | |
934 | ||
935 | debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value); | |
936 | return 0; | |
937 | } /* i365_get_status */ | |
938 | ||
939 | /*====================================================================*/ | |
940 | ||
1da177e4 LT |
941 | static int i365_set_socket(u_short sock, socket_state_t *state) |
942 | { | |
943 | struct i82365_socket *t = &socket[sock]; | |
944 | u_char reg; | |
945 | ||
946 | debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " | |
947 | "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags, | |
948 | state->Vcc, state->Vpp, state->io_irq, state->csc_mask); | |
949 | ||
950 | /* First set global controller options */ | |
951 | set_bridge_state(sock); | |
952 | ||
953 | /* IO card, RESET flag, IO interrupt */ | |
954 | reg = t->intr; | |
955 | reg |= state->io_irq; | |
956 | reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; | |
957 | reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; | |
958 | i365_set(sock, I365_INTCTL, reg); | |
959 | ||
960 | reg = I365_PWR_NORESET; | |
961 | if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; | |
962 | if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; | |
963 | ||
964 | if (t->flags & IS_CIRRUS) { | |
965 | if (state->Vpp != 0) { | |
966 | if (state->Vpp == 120) | |
967 | reg |= I365_VPP1_12V; | |
968 | else if (state->Vpp == state->Vcc) | |
969 | reg |= I365_VPP1_5V; | |
970 | else return -EINVAL; | |
971 | } | |
972 | if (state->Vcc != 0) { | |
973 | reg |= I365_VCC_5V; | |
974 | if (state->Vcc == 33) | |
975 | i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); | |
976 | else if (state->Vcc == 50) | |
977 | i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); | |
978 | else return -EINVAL; | |
979 | } | |
980 | } else if (t->flags & IS_VG_PWR) { | |
981 | if (state->Vpp != 0) { | |
982 | if (state->Vpp == 120) | |
983 | reg |= I365_VPP1_12V; | |
984 | else if (state->Vpp == state->Vcc) | |
985 | reg |= I365_VPP1_5V; | |
986 | else return -EINVAL; | |
987 | } | |
988 | if (state->Vcc != 0) { | |
989 | reg |= I365_VCC_5V; | |
990 | if (state->Vcc == 33) | |
991 | i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC); | |
992 | else if (state->Vcc == 50) | |
993 | i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC); | |
994 | else return -EINVAL; | |
995 | } | |
996 | } else if (t->flags & IS_DF_PWR) { | |
997 | switch (state->Vcc) { | |
998 | case 0: break; | |
999 | case 33: reg |= I365_VCC_3V; break; | |
1000 | case 50: reg |= I365_VCC_5V; break; | |
1001 | default: return -EINVAL; | |
1002 | } | |
1003 | switch (state->Vpp) { | |
1004 | case 0: break; | |
1005 | case 50: reg |= I365_VPP1_5V; break; | |
1006 | case 120: reg |= I365_VPP1_12V; break; | |
1007 | default: return -EINVAL; | |
1008 | } | |
1009 | } else { | |
1010 | switch (state->Vcc) { | |
1011 | case 0: break; | |
1012 | case 50: reg |= I365_VCC_5V; break; | |
1013 | default: return -EINVAL; | |
1014 | } | |
1015 | switch (state->Vpp) { | |
1016 | case 0: break; | |
1017 | case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break; | |
1018 | case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break; | |
1019 | default: return -EINVAL; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | if (reg != i365_get(sock, I365_POWER)) | |
1024 | i365_set(sock, I365_POWER, reg); | |
1025 | ||
1026 | /* Chipset-specific functions */ | |
1027 | if (t->flags & IS_CIRRUS) { | |
1028 | /* Speaker control */ | |
1029 | i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA, | |
1030 | state->flags & SS_SPKR_ENA); | |
1031 | } | |
1032 | ||
1033 | /* Card status change interrupt mask */ | |
1034 | reg = t->cs_irq << 4; | |
1035 | if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT; | |
1036 | if (state->flags & SS_IOCARD) { | |
1037 | if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; | |
1038 | } else { | |
1039 | if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; | |
1040 | if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; | |
1041 | if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; | |
1042 | } | |
1043 | i365_set(sock, I365_CSCINT, reg); | |
1044 | i365_get(sock, I365_CSC); | |
1045 | ||
1046 | return 0; | |
1047 | } /* i365_set_socket */ | |
1048 | ||
1049 | /*====================================================================*/ | |
1050 | ||
1051 | static int i365_set_io_map(u_short sock, struct pccard_io_map *io) | |
1052 | { | |
1053 | u_char map, ioctl; | |
1054 | ||
1055 | debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, " | |
1056 | "%#lx-%#lx)\n", sock, io->map, io->flags, | |
1057 | io->speed, io->start, io->stop); | |
1058 | map = io->map; | |
1059 | if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) || | |
1060 | (io->stop < io->start)) return -EINVAL; | |
1061 | /* Turn off the window before changing anything */ | |
1062 | if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map)) | |
1063 | i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map)); | |
1064 | i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start); | |
1065 | i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop); | |
1066 | ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map); | |
1067 | if (io->speed) ioctl |= I365_IOCTL_WAIT(map); | |
1068 | if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); | |
1069 | if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); | |
1070 | if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); | |
1071 | i365_set(sock, I365_IOCTL, ioctl); | |
1072 | /* Turn on the window if necessary */ | |
1073 | if (io->flags & MAP_ACTIVE) | |
1074 | i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map)); | |
1075 | return 0; | |
1076 | } /* i365_set_io_map */ | |
1077 | ||
1078 | /*====================================================================*/ | |
1079 | ||
1080 | static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem) | |
1081 | { | |
1082 | u_short base, i; | |
1083 | u_char map; | |
1084 | ||
490ab72a | 1085 | debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, " |
1da177e4 | 1086 | "%#x)\n", sock, mem->map, mem->flags, mem->speed, |
490ab72a GKH |
1087 | (unsigned long long)mem->res->start, |
1088 | (unsigned long long)mem->res->end, mem->card_start); | |
1da177e4 LT |
1089 | |
1090 | map = mem->map; | |
1091 | if ((map > 4) || (mem->card_start > 0x3ffffff) || | |
1092 | (mem->res->start > mem->res->end) || (mem->speed > 1000)) | |
1093 | return -EINVAL; | |
1094 | if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff)) | |
1095 | return -EINVAL; | |
1096 | ||
1097 | /* Turn off the window before changing anything */ | |
1098 | if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map)) | |
1099 | i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map)); | |
1100 | ||
1101 | base = I365_MEM(map); | |
1102 | i = (mem->res->start >> 12) & 0x0fff; | |
1103 | if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT; | |
1104 | if (mem->flags & MAP_0WS) i |= I365_MEM_0WS; | |
1105 | i365_set_pair(sock, base+I365_W_START, i); | |
1106 | ||
1107 | i = (mem->res->end >> 12) & 0x0fff; | |
1108 | switch (to_cycles(mem->speed)) { | |
1109 | case 0: break; | |
1110 | case 1: i |= I365_MEM_WS0; break; | |
1111 | case 2: i |= I365_MEM_WS1; break; | |
1112 | default: i |= I365_MEM_WS1 | I365_MEM_WS0; break; | |
1113 | } | |
1114 | i365_set_pair(sock, base+I365_W_STOP, i); | |
1115 | ||
1116 | i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff; | |
1117 | if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT; | |
1118 | if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG; | |
1119 | i365_set_pair(sock, base+I365_W_OFF, i); | |
1120 | ||
1121 | /* Turn on the window if necessary */ | |
1122 | if (mem->flags & MAP_ACTIVE) | |
1123 | i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map)); | |
1124 | return 0; | |
1125 | } /* i365_set_mem_map */ | |
1126 | ||
1127 | #if 0 /* driver model ordering issue */ | |
1128 | /*====================================================================== | |
1129 | ||
1130 | Routines for accessing socket information and register dumps via | |
1131 | /sys/class/pcmcia_socket/... | |
1132 | ||
1133 | ======================================================================*/ | |
1134 | ||
1135 | static ssize_t show_info(struct class_device *class_dev, char *buf) | |
1136 | { | |
1137 | struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev); | |
1138 | return sprintf(buf, "type: %s\npsock: %d\n", | |
1139 | pcic[s->type].name, s->psock); | |
1140 | } | |
1141 | ||
1142 | static ssize_t show_exca(struct class_device *class_dev, char *buf) | |
1143 | { | |
1144 | struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev); | |
1145 | unsigned short sock; | |
1146 | int i; | |
1147 | ssize_t ret = 0; | |
1148 | unsigned long flags = 0; | |
1149 | ||
1150 | sock = s->number; | |
1151 | ||
1152 | ISA_LOCK(sock, flags); | |
1153 | for (i = 0; i < 0x40; i += 4) { | |
1154 | ret += sprintf(buf, "%02x %02x %02x %02x%s", | |
1155 | i365_get(sock,i), i365_get(sock,i+1), | |
1156 | i365_get(sock,i+2), i365_get(sock,i+3), | |
1157 | ((i % 16) == 12) ? "\n" : " "); | |
1158 | buf += ret; | |
1159 | } | |
1160 | ISA_UNLOCK(sock, flags); | |
1161 | ||
1162 | return ret; | |
1163 | } | |
1164 | ||
1165 | static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL); | |
1166 | static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL); | |
1167 | #endif | |
1168 | ||
1169 | /*====================================================================*/ | |
1170 | ||
1171 | /* this is horribly ugly... proper locking needs to be done here at | |
1172 | * some time... */ | |
1173 | #define LOCKED(x) do { \ | |
1174 | int retval; \ | |
1175 | unsigned long flags; \ | |
1176 | spin_lock_irqsave(&isa_lock, flags); \ | |
1177 | retval = x; \ | |
1178 | spin_unlock_irqrestore(&isa_lock, flags); \ | |
1179 | return retval; \ | |
1180 | } while (0) | |
1181 | ||
1182 | ||
1183 | static int pcic_get_status(struct pcmcia_socket *s, u_int *value) | |
1184 | { | |
1185 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1186 | ||
1187 | if (socket[sock].flags & IS_ALIVE) { | |
1188 | *value = 0; | |
1189 | return -EINVAL; | |
1190 | } | |
1191 | ||
1192 | LOCKED(i365_get_status(sock, value)); | |
1193 | } | |
1194 | ||
1da177e4 LT |
1195 | static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state) |
1196 | { | |
1197 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1198 | ||
1199 | if (socket[sock].flags & IS_ALIVE) | |
1200 | return -EINVAL; | |
1201 | ||
1202 | LOCKED(i365_set_socket(sock, state)); | |
1203 | } | |
1204 | ||
1205 | static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) | |
1206 | { | |
1207 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1208 | if (socket[sock].flags & IS_ALIVE) | |
1209 | return -EINVAL; | |
1210 | ||
1211 | LOCKED(i365_set_io_map(sock, io)); | |
1212 | } | |
1213 | ||
1214 | static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem) | |
1215 | { | |
1216 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1217 | if (socket[sock].flags & IS_ALIVE) | |
1218 | return -EINVAL; | |
1219 | ||
1220 | LOCKED(i365_set_mem_map(sock, mem)); | |
1221 | } | |
1222 | ||
1223 | static int pcic_init(struct pcmcia_socket *s) | |
1224 | { | |
1225 | int i; | |
1226 | struct resource res = { .start = 0, .end = 0x1000 }; | |
1227 | pccard_io_map io = { 0, 0, 0, 0, 1 }; | |
1228 | pccard_mem_map mem = { .res = &res, }; | |
1229 | ||
1230 | for (i = 0; i < 2; i++) { | |
1231 | io.map = i; | |
1232 | pcic_set_io_map(s, &io); | |
1233 | } | |
1234 | for (i = 0; i < 5; i++) { | |
1235 | mem.map = i; | |
1236 | pcic_set_mem_map(s, &mem); | |
1237 | } | |
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | static struct pccard_operations pcic_operations = { | |
1242 | .init = pcic_init, | |
1243 | .get_status = pcic_get_status, | |
1da177e4 LT |
1244 | .set_socket = pcic_set_socket, |
1245 | .set_io_map = pcic_set_io_map, | |
1246 | .set_mem_map = pcic_set_mem_map, | |
1247 | }; | |
1248 | ||
1249 | /*====================================================================*/ | |
1250 | ||
1da177e4 LT |
1251 | static struct device_driver i82365_driver = { |
1252 | .name = "i82365", | |
1253 | .bus = &platform_bus_type, | |
9480e307 RK |
1254 | .suspend = pcmcia_socket_dev_suspend, |
1255 | .resume = pcmcia_socket_dev_resume, | |
1da177e4 LT |
1256 | }; |
1257 | ||
dfb279c9 | 1258 | static struct platform_device *i82365_device; |
1da177e4 LT |
1259 | |
1260 | static int __init init_i82365(void) | |
1261 | { | |
1262 | int i, ret; | |
1263 | ||
1264 | ret = driver_register(&i82365_driver); | |
1265 | if (ret) | |
1266 | return ret; | |
1267 | ||
dfb279c9 DB |
1268 | i82365_device = platform_device_alloc("i82365", 0); |
1269 | if (i82365_device) { | |
1270 | ret = platform_device_add(i82365_device); | |
1271 | if (ret) | |
1272 | platform_device_put(i82365_device); | |
1273 | } else | |
1274 | ret = -ENOMEM; | |
1275 | ||
1da177e4 LT |
1276 | if (ret) { |
1277 | driver_unregister(&i82365_driver); | |
1278 | return ret; | |
1279 | } | |
1280 | ||
1281 | printk(KERN_INFO "Intel ISA PCIC probe: "); | |
1282 | sockets = 0; | |
1283 | ||
1284 | isa_probe(); | |
1285 | ||
1286 | if (sockets == 0) { | |
1287 | printk("not found.\n"); | |
dfb279c9 | 1288 | platform_device_unregister(i82365_device); |
a2932b35 | 1289 | release_region(i365_base, 2); |
1da177e4 LT |
1290 | driver_unregister(&i82365_driver); |
1291 | return -ENODEV; | |
1292 | } | |
1293 | ||
1294 | /* Set up interrupt handler(s) */ | |
1295 | if (grab_irq != 0) | |
1296 | request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt); | |
1297 | ||
1298 | /* register sockets with the pcmcia core */ | |
1299 | for (i = 0; i < sockets; i++) { | |
87373318 | 1300 | socket[i].socket.dev.parent = &i82365_device->dev; |
1da177e4 LT |
1301 | socket[i].socket.ops = &pcic_operations; |
1302 | socket[i].socket.resource_ops = &pccard_nonstatic_ops; | |
1303 | socket[i].socket.owner = THIS_MODULE; | |
1304 | socket[i].number = i; | |
1305 | ret = pcmcia_register_socket(&socket[i].socket); | |
1306 | if (!ret) | |
1307 | socket[i].flags |= IS_REGISTERED; | |
1308 | ||
1309 | #if 0 /* driver model ordering issue */ | |
1310 | class_device_create_file(&socket[i].socket.dev, | |
1311 | &class_device_attr_info); | |
1312 | class_device_create_file(&socket[i].socket.dev, | |
1313 | &class_device_attr_exca); | |
1314 | #endif | |
1315 | } | |
1316 | ||
1317 | /* Finally, schedule a polling interrupt */ | |
1318 | if (poll_interval != 0) { | |
1319 | poll_timer.function = pcic_interrupt_wrapper; | |
1320 | poll_timer.data = 0; | |
1321 | init_timer(&poll_timer); | |
1322 | poll_timer.expires = jiffies + poll_interval; | |
1323 | add_timer(&poll_timer); | |
1324 | } | |
1325 | ||
1326 | return 0; | |
1327 | ||
1328 | } /* init_i82365 */ | |
1329 | ||
1330 | static void __exit exit_i82365(void) | |
1331 | { | |
1332 | int i; | |
1333 | ||
1334 | for (i = 0; i < sockets; i++) { | |
1335 | if (socket[i].flags & IS_REGISTERED) | |
1336 | pcmcia_unregister_socket(&socket[i].socket); | |
1337 | } | |
dfb279c9 | 1338 | platform_device_unregister(i82365_device); |
1da177e4 LT |
1339 | if (poll_interval != 0) |
1340 | del_timer_sync(&poll_timer); | |
1341 | if (grab_irq != 0) | |
1342 | free_irq(cs_irq, pcic_interrupt); | |
1343 | for (i = 0; i < sockets; i++) { | |
1344 | /* Turn off all interrupt sources! */ | |
1345 | i365_set(i, I365_CSCINT, 0); | |
1346 | release_region(socket[i].ioaddr, 2); | |
1347 | } | |
f354942c | 1348 | release_region(i365_base, 2); |
1da177e4 LT |
1349 | #ifdef CONFIG_PNP |
1350 | if (i82365_pnpdev) | |
1351 | pnp_disable_dev(i82365_pnpdev); | |
1352 | #endif | |
1353 | driver_unregister(&i82365_driver); | |
1354 | } /* exit_i82365 */ | |
1355 | ||
1356 | module_init(init_i82365); | |
1357 | module_exit(exit_i82365); | |
1358 | MODULE_LICENSE("Dual MPL/GPL"); | |
1359 | /*====================================================================*/ |