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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 | <dahinds@users.sourceforge.net>. 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> | |
43 | #include <linux/sched.h> | |
44 | #include <linux/slab.h> | |
45 | #include <linux/ioport.h> | |
46 | #include <linux/delay.h> | |
47 | #include <linux/workqueue.h> | |
48 | #include <linux/interrupt.h> | |
d052d1be | 49 | #include <linux/platform_device.h> |
1da177e4 LT |
50 | #include <linux/bitops.h> |
51 | #include <asm/irq.h> | |
52 | #include <asm/io.h> | |
53 | #include <asm/system.h> | |
54 | ||
1da177e4 LT |
55 | #include <pcmcia/cs_types.h> |
56 | #include <pcmcia/ss.h> | |
57 | #include <pcmcia/cs.h> | |
58 | ||
59 | #include <linux/isapnp.h> | |
60 | ||
61 | /* ISA-bus controllers */ | |
62 | #include "i82365.h" | |
63 | #include "cirrus.h" | |
64 | #include "vg468.h" | |
65 | #include "ricoh.h" | |
66 | ||
67 | #ifdef DEBUG | |
68 | static const char version[] = | |
69 | "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)"; | |
70 | ||
71 | static int pc_debug; | |
72 | ||
73 | module_param(pc_debug, int, 0644); | |
74 | ||
75 | #define debug(lvl, fmt, arg...) do { \ | |
76 | if (pc_debug > (lvl)) \ | |
77 | printk(KERN_DEBUG "i82365: " fmt , ## arg); \ | |
78 | } while (0) | |
79 | #else | |
80 | #define debug(lvl, fmt, arg...) do { } while (0) | |
81 | #endif | |
82 | ||
83 | static irqreturn_t i365_count_irq(int, void *, struct pt_regs *); | |
84 | static inline int _check_irq(int irq, int flags) | |
85 | { | |
86 | if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0) | |
87 | return -1; | |
88 | free_irq(irq, i365_count_irq); | |
89 | return 0; | |
90 | } | |
91 | ||
92 | /*====================================================================*/ | |
93 | ||
94 | /* Parameters that can be set with 'insmod' */ | |
95 | ||
96 | /* Default base address for i82365sl and other ISA chips */ | |
97 | static unsigned long i365_base = 0x3e0; | |
98 | /* Should we probe at 0x3e2 for an extra ISA controller? */ | |
99 | static int extra_sockets = 0; | |
100 | /* Specify a socket number to ignore */ | |
101 | static int ignore = -1; | |
102 | /* Bit map or list of interrupts to choose from */ | |
103 | static u_int irq_mask = 0xffff; | |
104 | static int irq_list[16]; | |
105 | static int irq_list_count; | |
106 | /* The card status change interrupt -- 0 means autoselect */ | |
107 | static int cs_irq = 0; | |
108 | ||
109 | /* Probe for safe interrupts? */ | |
110 | static int do_scan = 1; | |
111 | /* Poll status interval -- 0 means default to interrupt */ | |
112 | static int poll_interval = 0; | |
113 | /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */ | |
114 | static int cycle_time = 120; | |
115 | ||
116 | /* Cirrus options */ | |
117 | static int has_dma = -1; | |
118 | static int has_led = -1; | |
119 | static int has_ring = -1; | |
120 | static int dynamic_mode = 0; | |
121 | static int freq_bypass = -1; | |
122 | static int setup_time = -1; | |
123 | static int cmd_time = -1; | |
124 | static int recov_time = -1; | |
125 | ||
126 | /* Vadem options */ | |
127 | static int async_clock = -1; | |
128 | static int cable_mode = -1; | |
129 | static int wakeup = 0; | |
130 | ||
131 | module_param(i365_base, ulong, 0444); | |
132 | module_param(ignore, int, 0444); | |
133 | module_param(extra_sockets, int, 0444); | |
134 | module_param(irq_mask, int, 0444); | |
135 | module_param_array(irq_list, int, &irq_list_count, 0444); | |
136 | module_param(cs_irq, int, 0444); | |
137 | module_param(async_clock, int, 0444); | |
138 | module_param(cable_mode, int, 0444); | |
139 | module_param(wakeup, int, 0444); | |
140 | ||
141 | module_param(do_scan, int, 0444); | |
142 | module_param(poll_interval, int, 0444); | |
143 | module_param(cycle_time, int, 0444); | |
144 | module_param(has_dma, int, 0444); | |
145 | module_param(has_led, int, 0444); | |
146 | module_param(has_ring, int, 0444); | |
147 | module_param(dynamic_mode, int, 0444); | |
148 | module_param(freq_bypass, int, 0444); | |
149 | module_param(setup_time, int, 0444); | |
150 | module_param(cmd_time, int, 0444); | |
151 | module_param(recov_time, int, 0444); | |
152 | ||
153 | /*====================================================================*/ | |
154 | ||
155 | typedef struct cirrus_state_t { | |
156 | u_char misc1, misc2; | |
157 | u_char timer[6]; | |
158 | } cirrus_state_t; | |
159 | ||
160 | typedef struct vg46x_state_t { | |
161 | u_char ctl, ema; | |
162 | } vg46x_state_t; | |
163 | ||
164 | struct i82365_socket { | |
165 | u_short type, flags; | |
166 | struct pcmcia_socket socket; | |
167 | unsigned int number; | |
168 | kio_addr_t ioaddr; | |
169 | u_short psock; | |
170 | u_char cs_irq, intr; | |
171 | union { | |
172 | cirrus_state_t cirrus; | |
173 | vg46x_state_t vg46x; | |
174 | } state; | |
175 | }; | |
176 | ||
177 | /* Where we keep track of our sockets... */ | |
178 | static int sockets = 0; | |
179 | static struct i82365_socket socket[8] = { | |
180 | { 0, }, /* ... */ | |
181 | }; | |
182 | ||
183 | /* Default ISA interrupt mask */ | |
184 | #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */ | |
185 | ||
186 | static int grab_irq; | |
187 | static DEFINE_SPINLOCK(isa_lock); | |
188 | #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f) | |
189 | #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f) | |
190 | ||
191 | static struct timer_list poll_timer; | |
192 | ||
193 | /*====================================================================*/ | |
194 | ||
195 | /* These definitions must match the pcic table! */ | |
196 | typedef enum pcic_id { | |
197 | IS_I82365A, IS_I82365B, IS_I82365DF, | |
198 | IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469, | |
199 | IS_PD6710, IS_PD672X, IS_VT83C469, | |
200 | } pcic_id; | |
201 | ||
202 | /* Flags for classifying groups of controllers */ | |
203 | #define IS_VADEM 0x0001 | |
204 | #define IS_CIRRUS 0x0002 | |
205 | #define IS_VIA 0x0010 | |
206 | #define IS_UNKNOWN 0x0400 | |
207 | #define IS_VG_PWR 0x0800 | |
208 | #define IS_DF_PWR 0x1000 | |
209 | #define IS_REGISTERED 0x2000 | |
210 | #define IS_ALIVE 0x8000 | |
211 | ||
212 | typedef struct pcic_t { | |
213 | char *name; | |
214 | u_short flags; | |
215 | } pcic_t; | |
216 | ||
217 | static pcic_t pcic[] = { | |
218 | { "Intel i82365sl A step", 0 }, | |
219 | { "Intel i82365sl B step", 0 }, | |
220 | { "Intel i82365sl DF", IS_DF_PWR }, | |
221 | { "IBM Clone", 0 }, | |
222 | { "Ricoh RF5C296/396", 0 }, | |
223 | { "VLSI 82C146", 0 }, | |
224 | { "Vadem VG-468", IS_VADEM }, | |
225 | { "Vadem VG-469", IS_VADEM|IS_VG_PWR }, | |
226 | { "Cirrus PD6710", IS_CIRRUS }, | |
227 | { "Cirrus PD672x", IS_CIRRUS }, | |
228 | { "VIA VT83C469", IS_CIRRUS|IS_VIA }, | |
229 | }; | |
230 | ||
231 | #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t)) | |
232 | ||
233 | /*====================================================================*/ | |
234 | ||
235 | static DEFINE_SPINLOCK(bus_lock); | |
236 | ||
237 | static u_char i365_get(u_short sock, u_short reg) | |
238 | { | |
239 | unsigned long flags; | |
240 | spin_lock_irqsave(&bus_lock,flags); | |
241 | { | |
242 | kio_addr_t port = socket[sock].ioaddr; | |
243 | u_char val; | |
244 | reg = I365_REG(socket[sock].psock, reg); | |
245 | outb(reg, port); val = inb(port+1); | |
246 | spin_unlock_irqrestore(&bus_lock,flags); | |
247 | return val; | |
248 | } | |
249 | } | |
250 | ||
251 | static void i365_set(u_short sock, u_short reg, u_char data) | |
252 | { | |
253 | unsigned long flags; | |
254 | spin_lock_irqsave(&bus_lock,flags); | |
255 | { | |
256 | kio_addr_t port = socket[sock].ioaddr; | |
257 | u_char val = I365_REG(socket[sock].psock, reg); | |
258 | outb(val, port); outb(data, port+1); | |
259 | spin_unlock_irqrestore(&bus_lock,flags); | |
260 | } | |
261 | } | |
262 | ||
263 | static void i365_bset(u_short sock, u_short reg, u_char mask) | |
264 | { | |
265 | u_char d = i365_get(sock, reg); | |
266 | d |= mask; | |
267 | i365_set(sock, reg, d); | |
268 | } | |
269 | ||
270 | static void i365_bclr(u_short sock, u_short reg, u_char mask) | |
271 | { | |
272 | u_char d = i365_get(sock, reg); | |
273 | d &= ~mask; | |
274 | i365_set(sock, reg, d); | |
275 | } | |
276 | ||
277 | static void i365_bflip(u_short sock, u_short reg, u_char mask, int b) | |
278 | { | |
279 | u_char d = i365_get(sock, reg); | |
280 | if (b) | |
281 | d |= mask; | |
282 | else | |
283 | d &= ~mask; | |
284 | i365_set(sock, reg, d); | |
285 | } | |
286 | ||
287 | static u_short i365_get_pair(u_short sock, u_short reg) | |
288 | { | |
289 | u_short a, b; | |
290 | a = i365_get(sock, reg); | |
291 | b = i365_get(sock, reg+1); | |
292 | return (a + (b<<8)); | |
293 | } | |
294 | ||
295 | static void i365_set_pair(u_short sock, u_short reg, u_short data) | |
296 | { | |
297 | i365_set(sock, reg, data & 0xff); | |
298 | i365_set(sock, reg+1, data >> 8); | |
299 | } | |
300 | ||
301 | /*====================================================================== | |
302 | ||
303 | Code to save and restore global state information for Cirrus | |
304 | PD67xx controllers, and to set and report global configuration | |
305 | options. | |
306 | ||
307 | The VIA controllers also use these routines, as they are mostly | |
308 | Cirrus lookalikes, without the timing registers. | |
309 | ||
310 | ======================================================================*/ | |
311 | ||
312 | #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b)))) | |
313 | ||
314 | static void cirrus_get_state(u_short s) | |
315 | { | |
316 | int i; | |
317 | cirrus_state_t *p = &socket[s].state.cirrus; | |
318 | p->misc1 = i365_get(s, PD67_MISC_CTL_1); | |
319 | p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); | |
320 | p->misc2 = i365_get(s, PD67_MISC_CTL_2); | |
321 | for (i = 0; i < 6; i++) | |
322 | p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i); | |
323 | } | |
324 | ||
325 | static void cirrus_set_state(u_short s) | |
326 | { | |
327 | int i; | |
328 | u_char misc; | |
329 | cirrus_state_t *p = &socket[s].state.cirrus; | |
330 | ||
331 | misc = i365_get(s, PD67_MISC_CTL_2); | |
332 | i365_set(s, PD67_MISC_CTL_2, p->misc2); | |
333 | if (misc & PD67_MC2_SUSPEND) mdelay(50); | |
334 | misc = i365_get(s, PD67_MISC_CTL_1); | |
335 | misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); | |
336 | i365_set(s, PD67_MISC_CTL_1, misc | p->misc1); | |
337 | for (i = 0; i < 6; i++) | |
338 | i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]); | |
339 | } | |
340 | ||
341 | static u_int __init cirrus_set_opts(u_short s, char *buf) | |
342 | { | |
343 | struct i82365_socket *t = &socket[s]; | |
344 | cirrus_state_t *p = &socket[s].state.cirrus; | |
345 | u_int mask = 0xffff; | |
346 | ||
347 | if (has_ring == -1) has_ring = 1; | |
348 | flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring); | |
349 | flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode); | |
350 | flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass); | |
351 | if (p->misc2 & PD67_MC2_IRQ15_RI) | |
352 | strcat(buf, " [ring]"); | |
353 | if (p->misc2 & PD67_MC2_DYNAMIC_MODE) | |
354 | strcat(buf, " [dyn mode]"); | |
355 | if (p->misc2 & PD67_MC2_FREQ_BYPASS) | |
356 | strcat(buf, " [freq bypass]"); | |
357 | if (p->misc1 & PD67_MC1_INPACK_ENA) | |
358 | strcat(buf, " [inpack]"); | |
359 | if (p->misc2 & PD67_MC2_IRQ15_RI) | |
360 | mask &= ~0x8000; | |
361 | if (has_led > 0) { | |
362 | strcat(buf, " [led]"); | |
363 | mask &= ~0x1000; | |
364 | } | |
365 | if (has_dma > 0) { | |
366 | strcat(buf, " [dma]"); | |
367 | mask &= ~0x0600; | |
368 | } | |
369 | if (!(t->flags & IS_VIA)) { | |
370 | if (setup_time >= 0) | |
371 | p->timer[0] = p->timer[3] = setup_time; | |
372 | if (cmd_time > 0) { | |
373 | p->timer[1] = cmd_time; | |
374 | p->timer[4] = cmd_time*2+4; | |
375 | } | |
376 | if (p->timer[1] == 0) { | |
377 | p->timer[1] = 6; p->timer[4] = 16; | |
378 | if (p->timer[0] == 0) | |
379 | p->timer[0] = p->timer[3] = 1; | |
380 | } | |
381 | if (recov_time >= 0) | |
382 | p->timer[2] = p->timer[5] = recov_time; | |
383 | buf += strlen(buf); | |
384 | sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1], | |
385 | p->timer[2], p->timer[3], p->timer[4], p->timer[5]); | |
386 | } | |
387 | return mask; | |
388 | } | |
389 | ||
390 | /*====================================================================== | |
391 | ||
392 | Code to save and restore global state information for Vadem VG468 | |
393 | and VG469 controllers, and to set and report global configuration | |
394 | options. | |
395 | ||
396 | ======================================================================*/ | |
397 | ||
398 | static void vg46x_get_state(u_short s) | |
399 | { | |
400 | vg46x_state_t *p = &socket[s].state.vg46x; | |
401 | p->ctl = i365_get(s, VG468_CTL); | |
402 | if (socket[s].type == IS_VG469) | |
403 | p->ema = i365_get(s, VG469_EXT_MODE); | |
404 | } | |
405 | ||
406 | static void vg46x_set_state(u_short s) | |
407 | { | |
408 | vg46x_state_t *p = &socket[s].state.vg46x; | |
409 | i365_set(s, VG468_CTL, p->ctl); | |
410 | if (socket[s].type == IS_VG469) | |
411 | i365_set(s, VG469_EXT_MODE, p->ema); | |
412 | } | |
413 | ||
414 | static u_int __init vg46x_set_opts(u_short s, char *buf) | |
415 | { | |
416 | vg46x_state_t *p = &socket[s].state.vg46x; | |
417 | ||
418 | flip(p->ctl, VG468_CTL_ASYNC, async_clock); | |
419 | flip(p->ema, VG469_MODE_CABLE, cable_mode); | |
420 | if (p->ctl & VG468_CTL_ASYNC) | |
421 | strcat(buf, " [async]"); | |
422 | if (p->ctl & VG468_CTL_INPACK) | |
423 | strcat(buf, " [inpack]"); | |
424 | if (socket[s].type == IS_VG469) { | |
425 | u_char vsel = i365_get(s, VG469_VSELECT); | |
426 | if (vsel & VG469_VSEL_EXT_STAT) { | |
427 | strcat(buf, " [ext mode]"); | |
428 | if (vsel & VG469_VSEL_EXT_BUS) | |
429 | strcat(buf, " [isa buf]"); | |
430 | } | |
431 | if (p->ema & VG469_MODE_CABLE) | |
432 | strcat(buf, " [cable]"); | |
433 | if (p->ema & VG469_MODE_COMPAT) | |
434 | strcat(buf, " [c step]"); | |
435 | } | |
436 | return 0xffff; | |
437 | } | |
438 | ||
439 | /*====================================================================== | |
440 | ||
441 | Generic routines to get and set controller options | |
442 | ||
443 | ======================================================================*/ | |
444 | ||
445 | static void get_bridge_state(u_short s) | |
446 | { | |
447 | struct i82365_socket *t = &socket[s]; | |
448 | if (t->flags & IS_CIRRUS) | |
449 | cirrus_get_state(s); | |
450 | else if (t->flags & IS_VADEM) | |
451 | vg46x_get_state(s); | |
452 | } | |
453 | ||
454 | static void set_bridge_state(u_short s) | |
455 | { | |
456 | struct i82365_socket *t = &socket[s]; | |
457 | if (t->flags & IS_CIRRUS) | |
458 | cirrus_set_state(s); | |
459 | else { | |
460 | i365_set(s, I365_GBLCTL, 0x00); | |
461 | i365_set(s, I365_GENCTL, 0x00); | |
462 | } | |
463 | i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr); | |
464 | if (t->flags & IS_VADEM) | |
465 | vg46x_set_state(s); | |
466 | } | |
467 | ||
468 | static u_int __init set_bridge_opts(u_short s, u_short ns) | |
469 | { | |
470 | u_short i; | |
471 | u_int m = 0xffff; | |
472 | char buf[128]; | |
473 | ||
474 | for (i = s; i < s+ns; i++) { | |
475 | if (socket[i].flags & IS_ALIVE) { | |
476 | printk(KERN_INFO " host opts [%d]: already alive!\n", i); | |
477 | continue; | |
478 | } | |
479 | buf[0] = '\0'; | |
480 | get_bridge_state(i); | |
481 | if (socket[i].flags & IS_CIRRUS) | |
482 | m = cirrus_set_opts(i, buf); | |
483 | else if (socket[i].flags & IS_VADEM) | |
484 | m = vg46x_set_opts(i, buf); | |
485 | set_bridge_state(i); | |
486 | printk(KERN_INFO " host opts [%d]:%s\n", i, | |
487 | (*buf) ? buf : " none"); | |
488 | } | |
489 | return m; | |
490 | } | |
491 | ||
492 | /*====================================================================== | |
493 | ||
494 | Interrupt testing code, for ISA and PCI interrupts | |
495 | ||
496 | ======================================================================*/ | |
497 | ||
498 | static volatile u_int irq_hits; | |
499 | static u_short irq_sock; | |
500 | ||
501 | static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs) | |
502 | { | |
503 | i365_get(irq_sock, I365_CSC); | |
504 | irq_hits++; | |
505 | debug(2, "-> hit on irq %d\n", irq); | |
506 | return IRQ_HANDLED; | |
507 | } | |
508 | ||
509 | static u_int __init test_irq(u_short sock, int irq) | |
510 | { | |
511 | debug(2, " testing ISA irq %d\n", irq); | |
dace1453 | 512 | if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan", |
13e87ec6 | 513 | i365_count_irq) != 0) |
1da177e4 LT |
514 | return 1; |
515 | irq_hits = 0; irq_sock = sock; | |
516 | msleep(10); | |
517 | if (irq_hits) { | |
518 | free_irq(irq, i365_count_irq); | |
519 | debug(2, " spurious hit!\n"); | |
520 | return 1; | |
521 | } | |
522 | ||
523 | /* Generate one interrupt */ | |
524 | i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4)); | |
525 | i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ); | |
526 | udelay(1000); | |
527 | ||
528 | free_irq(irq, i365_count_irq); | |
529 | ||
530 | /* mask all interrupts */ | |
531 | i365_set(sock, I365_CSCINT, 0); | |
532 | debug(2, " hits = %d\n", irq_hits); | |
533 | ||
534 | return (irq_hits != 1); | |
535 | } | |
536 | ||
537 | static u_int __init isa_scan(u_short sock, u_int mask0) | |
538 | { | |
539 | u_int mask1 = 0; | |
540 | int i; | |
541 | ||
542 | #ifdef __alpha__ | |
543 | #define PIC 0x4d0 | |
544 | /* Don't probe level-triggered interrupts -- reserved for PCI */ | |
545 | mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8)); | |
546 | #endif | |
547 | ||
548 | if (do_scan) { | |
549 | set_bridge_state(sock); | |
550 | i365_set(sock, I365_CSCINT, 0); | |
551 | for (i = 0; i < 16; i++) | |
552 | if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0)) | |
553 | mask1 |= (1 << i); | |
554 | for (i = 0; i < 16; i++) | |
555 | if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0)) | |
556 | mask1 ^= (1 << i); | |
557 | } | |
558 | ||
559 | printk(KERN_INFO " ISA irqs ("); | |
560 | if (mask1) { | |
561 | printk("scanned"); | |
562 | } else { | |
563 | /* Fallback: just find interrupts that aren't in use */ | |
564 | for (i = 0; i < 16; i++) | |
dace1453 | 565 | if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0)) |
1da177e4 LT |
566 | mask1 |= (1 << i); |
567 | printk("default"); | |
568 | /* If scan failed, default to polled status */ | |
569 | if (!cs_irq && (poll_interval == 0)) poll_interval = HZ; | |
570 | } | |
571 | printk(") = "); | |
572 | ||
573 | for (i = 0; i < 16; i++) | |
574 | if (mask1 & (1<<i)) | |
575 | printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i); | |
576 | if (mask1 == 0) printk("none!"); | |
577 | ||
578 | return mask1; | |
579 | } | |
580 | ||
581 | /*====================================================================*/ | |
582 | ||
583 | /* Time conversion functions */ | |
584 | ||
585 | static int to_cycles(int ns) | |
586 | { | |
587 | return ns/cycle_time; | |
588 | } | |
589 | ||
590 | /*====================================================================*/ | |
591 | ||
592 | static int __init identify(kio_addr_t port, u_short sock) | |
593 | { | |
594 | u_char val; | |
595 | int type = -1; | |
596 | ||
597 | /* Use the next free entry in the socket table */ | |
598 | socket[sockets].ioaddr = port; | |
599 | socket[sockets].psock = sock; | |
600 | ||
601 | /* Wake up a sleepy Cirrus controller */ | |
602 | if (wakeup) { | |
603 | i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND); | |
604 | /* Pause at least 50 ms */ | |
605 | mdelay(50); | |
606 | } | |
607 | ||
608 | if ((val = i365_get(sockets, I365_IDENT)) & 0x70) | |
609 | return -1; | |
610 | switch (val) { | |
611 | case 0x82: | |
612 | type = IS_I82365A; break; | |
613 | case 0x83: | |
614 | type = IS_I82365B; break; | |
615 | case 0x84: | |
616 | type = IS_I82365DF; break; | |
617 | case 0x88: case 0x89: case 0x8a: | |
618 | type = IS_IBM; break; | |
619 | } | |
620 | ||
621 | /* Check for Vadem VG-468 chips */ | |
622 | outb(0x0e, port); | |
623 | outb(0x37, port); | |
624 | i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV); | |
625 | val = i365_get(sockets, I365_IDENT); | |
626 | if (val & I365_IDENT_VADEM) { | |
627 | i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV); | |
628 | type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468; | |
629 | } | |
630 | ||
631 | /* Check for Ricoh chips */ | |
632 | val = i365_get(sockets, RF5C_CHIP_ID); | |
633 | if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396)) | |
634 | type = IS_RF5Cx96; | |
635 | ||
636 | /* Check for Cirrus CL-PD67xx chips */ | |
637 | i365_set(sockets, PD67_CHIP_INFO, 0); | |
638 | val = i365_get(sockets, PD67_CHIP_INFO); | |
639 | if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { | |
640 | val = i365_get(sockets, PD67_CHIP_INFO); | |
641 | if ((val & PD67_INFO_CHIP_ID) == 0) { | |
642 | type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710; | |
643 | i365_set(sockets, PD67_EXT_INDEX, 0xe5); | |
644 | if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5) | |
645 | type = IS_VT83C469; | |
646 | } | |
647 | } | |
648 | return type; | |
649 | } /* identify */ | |
650 | ||
651 | /*====================================================================== | |
652 | ||
653 | See if a card is present, powered up, in IO mode, and already | |
654 | bound to a (non PC Card) Linux driver. We leave these alone. | |
655 | ||
656 | We make an exception for cards that seem to be serial devices. | |
657 | ||
658 | ======================================================================*/ | |
659 | ||
660 | static int __init is_alive(u_short sock) | |
661 | { | |
662 | u_char stat; | |
663 | kio_addr_t start, stop; | |
664 | ||
665 | stat = i365_get(sock, I365_STATUS); | |
666 | start = i365_get_pair(sock, I365_IO(0)+I365_W_START); | |
667 | stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP); | |
668 | if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) && | |
669 | (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) && | |
670 | (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) && | |
f354942c DB |
671 | ((start & 0xfeef) != 0x02e8)) { |
672 | if (!request_region(start, stop-start+1, "i82365")) | |
673 | return 1; | |
674 | release_region(start, stop-start+1); | |
675 | } | |
676 | ||
677 | return 0; | |
1da177e4 LT |
678 | } |
679 | ||
680 | /*====================================================================*/ | |
681 | ||
682 | static void __init add_socket(kio_addr_t port, int psock, int type) | |
683 | { | |
684 | socket[sockets].ioaddr = port; | |
685 | socket[sockets].psock = psock; | |
686 | socket[sockets].type = type; | |
687 | socket[sockets].flags = pcic[type].flags; | |
688 | if (is_alive(sockets)) | |
689 | socket[sockets].flags |= IS_ALIVE; | |
690 | sockets++; | |
691 | } | |
692 | ||
693 | static void __init add_pcic(int ns, int type) | |
694 | { | |
695 | u_int mask = 0, i, base; | |
696 | int isa_irq = 0; | |
697 | struct i82365_socket *t = &socket[sockets-ns]; | |
698 | ||
699 | base = sockets-ns; | |
1da177e4 LT |
700 | if (base == 0) printk("\n"); |
701 | printk(KERN_INFO " %s", pcic[type].name); | |
702 | printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x", | |
703 | t->ioaddr, t->psock*0x40); | |
704 | printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : "")); | |
705 | ||
706 | /* Set host options, build basic interrupt mask */ | |
707 | if (irq_list_count == 0) | |
708 | mask = irq_mask; | |
709 | else | |
710 | for (i = mask = 0; i < irq_list_count; i++) | |
711 | mask |= (1<<irq_list[i]); | |
712 | mask &= I365_MASK & set_bridge_opts(base, ns); | |
713 | /* Scan for ISA interrupts */ | |
714 | mask = isa_scan(base, mask); | |
715 | ||
716 | /* Poll if only two interrupts available */ | |
717 | if (!poll_interval) { | |
718 | u_int tmp = (mask & 0xff20); | |
719 | tmp = tmp & (tmp-1); | |
720 | if ((tmp & (tmp-1)) == 0) | |
721 | poll_interval = HZ; | |
722 | } | |
723 | /* Only try an ISA cs_irq if this is the first controller */ | |
724 | if (!grab_irq && (cs_irq || !poll_interval)) { | |
725 | /* Avoid irq 12 unless it is explicitly requested */ | |
726 | u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12)); | |
727 | for (cs_irq = 15; cs_irq > 0; cs_irq--) | |
728 | if ((cs_mask & (1 << cs_irq)) && | |
dace1453 | 729 | (_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0)) |
1da177e4 LT |
730 | break; |
731 | if (cs_irq) { | |
732 | grab_irq = 1; | |
733 | isa_irq = cs_irq; | |
734 | printk(" status change on irq %d\n", cs_irq); | |
735 | } | |
736 | } | |
737 | ||
738 | if (!isa_irq) { | |
739 | if (poll_interval == 0) | |
740 | poll_interval = HZ; | |
741 | printk(" polling interval = %d ms\n", | |
742 | poll_interval * 1000 / HZ); | |
743 | ||
744 | } | |
745 | ||
746 | /* Update socket interrupt information, capabilities */ | |
747 | for (i = 0; i < ns; i++) { | |
748 | t[i].socket.features |= SS_CAP_PCCARD; | |
749 | t[i].socket.map_size = 0x1000; | |
750 | t[i].socket.irq_mask = mask; | |
751 | t[i].cs_irq = isa_irq; | |
752 | } | |
753 | ||
754 | } /* add_pcic */ | |
755 | ||
756 | /*====================================================================*/ | |
757 | ||
758 | #ifdef CONFIG_PNP | |
759 | static struct isapnp_device_id id_table[] __initdata = { | |
760 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
761 | ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" }, | |
762 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
763 | ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" }, | |
764 | { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'), | |
765 | ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" }, | |
766 | { 0 } | |
767 | }; | |
768 | MODULE_DEVICE_TABLE(isapnp, id_table); | |
769 | ||
770 | static struct pnp_dev *i82365_pnpdev; | |
771 | #endif | |
772 | ||
773 | static void __init isa_probe(void) | |
774 | { | |
775 | int i, j, sock, k, ns, id; | |
776 | kio_addr_t port; | |
777 | #ifdef CONFIG_PNP | |
778 | struct isapnp_device_id *devid; | |
779 | struct pnp_dev *dev; | |
780 | ||
781 | for (devid = id_table; devid->vendor; devid++) { | |
782 | if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) { | |
783 | ||
784 | if (pnp_device_attach(dev) < 0) | |
785 | continue; | |
786 | ||
787 | if (pnp_activate_dev(dev) < 0) { | |
788 | printk("activate failed\n"); | |
789 | pnp_device_detach(dev); | |
790 | break; | |
791 | } | |
792 | ||
793 | if (!pnp_port_valid(dev, 0)) { | |
794 | printk("invalid resources ?\n"); | |
795 | pnp_device_detach(dev); | |
796 | break; | |
797 | } | |
798 | i365_base = pnp_port_start(dev, 0); | |
799 | i82365_pnpdev = dev; | |
800 | break; | |
801 | } | |
802 | } | |
803 | #endif | |
804 | ||
f354942c | 805 | if (!request_region(i365_base, 2, "i82365")) { |
1da177e4 LT |
806 | if (sockets == 0) |
807 | printk("port conflict at %#lx\n", i365_base); | |
808 | return; | |
809 | } | |
810 | ||
811 | id = identify(i365_base, 0); | |
812 | if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) { | |
813 | for (i = 0; i < 4; i++) { | |
814 | if (i == ignore) continue; | |
815 | port = i365_base + ((i & 1) << 2) + ((i & 2) << 1); | |
816 | sock = (i & 1) << 1; | |
817 | if (identify(port, sock) == IS_I82365DF) { | |
818 | add_socket(port, sock, IS_VLSI); | |
819 | add_pcic(1, IS_VLSI); | |
820 | } | |
821 | } | |
822 | } else { | |
823 | for (i = 0; i < 8; i += 2) { | |
824 | if (sockets && !extra_sockets && (i == 4)) | |
825 | break; | |
826 | port = i365_base + 2*(i>>2); | |
827 | sock = (i & 3); | |
828 | id = identify(port, sock); | |
829 | if (id < 0) continue; | |
830 | ||
831 | for (j = ns = 0; j < 2; j++) { | |
832 | /* Does the socket exist? */ | |
833 | if ((ignore == i+j) || (identify(port, sock+j) < 0)) | |
834 | continue; | |
835 | /* Check for bad socket decode */ | |
836 | for (k = 0; k <= sockets; k++) | |
837 | i365_set(k, I365_MEM(0)+I365_W_OFF, k); | |
838 | for (k = 0; k <= sockets; k++) | |
839 | if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k) | |
840 | break; | |
841 | if (k <= sockets) break; | |
842 | add_socket(port, sock+j, id); ns++; | |
843 | } | |
844 | if (ns != 0) add_pcic(ns, id); | |
845 | } | |
846 | } | |
847 | } | |
848 | ||
849 | /*====================================================================*/ | |
850 | ||
851 | static irqreturn_t pcic_interrupt(int irq, void *dev, | |
852 | struct pt_regs *regs) | |
853 | { | |
854 | int i, j, csc; | |
855 | u_int events, active; | |
856 | u_long flags = 0; | |
857 | int handled = 0; | |
858 | ||
859 | debug(4, "pcic_interrupt(%d)\n", irq); | |
860 | ||
861 | for (j = 0; j < 20; j++) { | |
862 | active = 0; | |
863 | for (i = 0; i < sockets; i++) { | |
864 | if (socket[i].cs_irq != irq) | |
865 | continue; | |
866 | handled = 1; | |
867 | ISA_LOCK(i, flags); | |
868 | csc = i365_get(i, I365_CSC); | |
869 | if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) { | |
870 | ISA_UNLOCK(i, flags); | |
871 | continue; | |
872 | } | |
873 | events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0; | |
874 | ||
875 | if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD) | |
876 | events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; | |
877 | else { | |
878 | events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; | |
879 | events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; | |
880 | events |= (csc & I365_CSC_READY) ? SS_READY : 0; | |
881 | } | |
882 | ISA_UNLOCK(i, flags); | |
883 | debug(2, "socket %d event 0x%02x\n", i, events); | |
884 | ||
885 | if (events) | |
886 | pcmcia_parse_events(&socket[i].socket, events); | |
887 | ||
888 | active |= events; | |
889 | } | |
890 | if (!active) break; | |
891 | } | |
892 | if (j == 20) | |
893 | printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n"); | |
894 | ||
895 | debug(4, "interrupt done\n"); | |
896 | return IRQ_RETVAL(handled); | |
897 | } /* pcic_interrupt */ | |
898 | ||
899 | static void pcic_interrupt_wrapper(u_long data) | |
900 | { | |
901 | pcic_interrupt(0, NULL, NULL); | |
902 | poll_timer.expires = jiffies + poll_interval; | |
903 | add_timer(&poll_timer); | |
904 | } | |
905 | ||
906 | /*====================================================================*/ | |
907 | ||
908 | static int i365_get_status(u_short sock, u_int *value) | |
909 | { | |
910 | u_int status; | |
911 | ||
912 | status = i365_get(sock, I365_STATUS); | |
913 | *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) | |
914 | ? SS_DETECT : 0; | |
915 | ||
916 | if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) | |
917 | *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; | |
918 | else { | |
919 | *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; | |
920 | *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; | |
921 | } | |
922 | *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; | |
923 | *value |= (status & I365_CS_READY) ? SS_READY : 0; | |
924 | *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; | |
925 | ||
926 | if (socket[sock].type == IS_VG469) { | |
927 | status = i365_get(sock, VG469_VSENSE); | |
928 | if (socket[sock].psock & 1) { | |
929 | *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD; | |
930 | *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD; | |
931 | } else { | |
932 | *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD; | |
933 | *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD; | |
934 | } | |
935 | } | |
936 | ||
937 | debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value); | |
938 | return 0; | |
939 | } /* i365_get_status */ | |
940 | ||
941 | /*====================================================================*/ | |
942 | ||
1da177e4 LT |
943 | static int i365_set_socket(u_short sock, socket_state_t *state) |
944 | { | |
945 | struct i82365_socket *t = &socket[sock]; | |
946 | u_char reg; | |
947 | ||
948 | debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " | |
949 | "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags, | |
950 | state->Vcc, state->Vpp, state->io_irq, state->csc_mask); | |
951 | ||
952 | /* First set global controller options */ | |
953 | set_bridge_state(sock); | |
954 | ||
955 | /* IO card, RESET flag, IO interrupt */ | |
956 | reg = t->intr; | |
957 | reg |= state->io_irq; | |
958 | reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; | |
959 | reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; | |
960 | i365_set(sock, I365_INTCTL, reg); | |
961 | ||
962 | reg = I365_PWR_NORESET; | |
963 | if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; | |
964 | if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; | |
965 | ||
966 | if (t->flags & IS_CIRRUS) { | |
967 | if (state->Vpp != 0) { | |
968 | if (state->Vpp == 120) | |
969 | reg |= I365_VPP1_12V; | |
970 | else if (state->Vpp == state->Vcc) | |
971 | reg |= I365_VPP1_5V; | |
972 | else return -EINVAL; | |
973 | } | |
974 | if (state->Vcc != 0) { | |
975 | reg |= I365_VCC_5V; | |
976 | if (state->Vcc == 33) | |
977 | i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); | |
978 | else if (state->Vcc == 50) | |
979 | i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); | |
980 | else return -EINVAL; | |
981 | } | |
982 | } else if (t->flags & IS_VG_PWR) { | |
983 | if (state->Vpp != 0) { | |
984 | if (state->Vpp == 120) | |
985 | reg |= I365_VPP1_12V; | |
986 | else if (state->Vpp == state->Vcc) | |
987 | reg |= I365_VPP1_5V; | |
988 | else return -EINVAL; | |
989 | } | |
990 | if (state->Vcc != 0) { | |
991 | reg |= I365_VCC_5V; | |
992 | if (state->Vcc == 33) | |
993 | i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC); | |
994 | else if (state->Vcc == 50) | |
995 | i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC); | |
996 | else return -EINVAL; | |
997 | } | |
998 | } else if (t->flags & IS_DF_PWR) { | |
999 | switch (state->Vcc) { | |
1000 | case 0: break; | |
1001 | case 33: reg |= I365_VCC_3V; break; | |
1002 | case 50: reg |= I365_VCC_5V; break; | |
1003 | default: return -EINVAL; | |
1004 | } | |
1005 | switch (state->Vpp) { | |
1006 | case 0: break; | |
1007 | case 50: reg |= I365_VPP1_5V; break; | |
1008 | case 120: reg |= I365_VPP1_12V; break; | |
1009 | default: return -EINVAL; | |
1010 | } | |
1011 | } else { | |
1012 | switch (state->Vcc) { | |
1013 | case 0: break; | |
1014 | case 50: reg |= I365_VCC_5V; break; | |
1015 | default: return -EINVAL; | |
1016 | } | |
1017 | switch (state->Vpp) { | |
1018 | case 0: break; | |
1019 | case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break; | |
1020 | case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break; | |
1021 | default: return -EINVAL; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | if (reg != i365_get(sock, I365_POWER)) | |
1026 | i365_set(sock, I365_POWER, reg); | |
1027 | ||
1028 | /* Chipset-specific functions */ | |
1029 | if (t->flags & IS_CIRRUS) { | |
1030 | /* Speaker control */ | |
1031 | i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA, | |
1032 | state->flags & SS_SPKR_ENA); | |
1033 | } | |
1034 | ||
1035 | /* Card status change interrupt mask */ | |
1036 | reg = t->cs_irq << 4; | |
1037 | if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT; | |
1038 | if (state->flags & SS_IOCARD) { | |
1039 | if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; | |
1040 | } else { | |
1041 | if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; | |
1042 | if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; | |
1043 | if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; | |
1044 | } | |
1045 | i365_set(sock, I365_CSCINT, reg); | |
1046 | i365_get(sock, I365_CSC); | |
1047 | ||
1048 | return 0; | |
1049 | } /* i365_set_socket */ | |
1050 | ||
1051 | /*====================================================================*/ | |
1052 | ||
1053 | static int i365_set_io_map(u_short sock, struct pccard_io_map *io) | |
1054 | { | |
1055 | u_char map, ioctl; | |
1056 | ||
1057 | debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, " | |
1058 | "%#lx-%#lx)\n", sock, io->map, io->flags, | |
1059 | io->speed, io->start, io->stop); | |
1060 | map = io->map; | |
1061 | if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) || | |
1062 | (io->stop < io->start)) return -EINVAL; | |
1063 | /* Turn off the window before changing anything */ | |
1064 | if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map)) | |
1065 | i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map)); | |
1066 | i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start); | |
1067 | i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop); | |
1068 | ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map); | |
1069 | if (io->speed) ioctl |= I365_IOCTL_WAIT(map); | |
1070 | if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); | |
1071 | if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); | |
1072 | if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); | |
1073 | i365_set(sock, I365_IOCTL, ioctl); | |
1074 | /* Turn on the window if necessary */ | |
1075 | if (io->flags & MAP_ACTIVE) | |
1076 | i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map)); | |
1077 | return 0; | |
1078 | } /* i365_set_io_map */ | |
1079 | ||
1080 | /*====================================================================*/ | |
1081 | ||
1082 | static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem) | |
1083 | { | |
1084 | u_short base, i; | |
1085 | u_char map; | |
1086 | ||
490ab72a | 1087 | debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, " |
1da177e4 | 1088 | "%#x)\n", sock, mem->map, mem->flags, mem->speed, |
490ab72a GKH |
1089 | (unsigned long long)mem->res->start, |
1090 | (unsigned long long)mem->res->end, mem->card_start); | |
1da177e4 LT |
1091 | |
1092 | map = mem->map; | |
1093 | if ((map > 4) || (mem->card_start > 0x3ffffff) || | |
1094 | (mem->res->start > mem->res->end) || (mem->speed > 1000)) | |
1095 | return -EINVAL; | |
1096 | if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff)) | |
1097 | return -EINVAL; | |
1098 | ||
1099 | /* Turn off the window before changing anything */ | |
1100 | if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map)) | |
1101 | i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map)); | |
1102 | ||
1103 | base = I365_MEM(map); | |
1104 | i = (mem->res->start >> 12) & 0x0fff; | |
1105 | if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT; | |
1106 | if (mem->flags & MAP_0WS) i |= I365_MEM_0WS; | |
1107 | i365_set_pair(sock, base+I365_W_START, i); | |
1108 | ||
1109 | i = (mem->res->end >> 12) & 0x0fff; | |
1110 | switch (to_cycles(mem->speed)) { | |
1111 | case 0: break; | |
1112 | case 1: i |= I365_MEM_WS0; break; | |
1113 | case 2: i |= I365_MEM_WS1; break; | |
1114 | default: i |= I365_MEM_WS1 | I365_MEM_WS0; break; | |
1115 | } | |
1116 | i365_set_pair(sock, base+I365_W_STOP, i); | |
1117 | ||
1118 | i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff; | |
1119 | if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT; | |
1120 | if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG; | |
1121 | i365_set_pair(sock, base+I365_W_OFF, i); | |
1122 | ||
1123 | /* Turn on the window if necessary */ | |
1124 | if (mem->flags & MAP_ACTIVE) | |
1125 | i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map)); | |
1126 | return 0; | |
1127 | } /* i365_set_mem_map */ | |
1128 | ||
1129 | #if 0 /* driver model ordering issue */ | |
1130 | /*====================================================================== | |
1131 | ||
1132 | Routines for accessing socket information and register dumps via | |
1133 | /sys/class/pcmcia_socket/... | |
1134 | ||
1135 | ======================================================================*/ | |
1136 | ||
1137 | static ssize_t show_info(struct class_device *class_dev, char *buf) | |
1138 | { | |
1139 | struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev); | |
1140 | return sprintf(buf, "type: %s\npsock: %d\n", | |
1141 | pcic[s->type].name, s->psock); | |
1142 | } | |
1143 | ||
1144 | static ssize_t show_exca(struct class_device *class_dev, char *buf) | |
1145 | { | |
1146 | struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev); | |
1147 | unsigned short sock; | |
1148 | int i; | |
1149 | ssize_t ret = 0; | |
1150 | unsigned long flags = 0; | |
1151 | ||
1152 | sock = s->number; | |
1153 | ||
1154 | ISA_LOCK(sock, flags); | |
1155 | for (i = 0; i < 0x40; i += 4) { | |
1156 | ret += sprintf(buf, "%02x %02x %02x %02x%s", | |
1157 | i365_get(sock,i), i365_get(sock,i+1), | |
1158 | i365_get(sock,i+2), i365_get(sock,i+3), | |
1159 | ((i % 16) == 12) ? "\n" : " "); | |
1160 | buf += ret; | |
1161 | } | |
1162 | ISA_UNLOCK(sock, flags); | |
1163 | ||
1164 | return ret; | |
1165 | } | |
1166 | ||
1167 | static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL); | |
1168 | static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL); | |
1169 | #endif | |
1170 | ||
1171 | /*====================================================================*/ | |
1172 | ||
1173 | /* this is horribly ugly... proper locking needs to be done here at | |
1174 | * some time... */ | |
1175 | #define LOCKED(x) do { \ | |
1176 | int retval; \ | |
1177 | unsigned long flags; \ | |
1178 | spin_lock_irqsave(&isa_lock, flags); \ | |
1179 | retval = x; \ | |
1180 | spin_unlock_irqrestore(&isa_lock, flags); \ | |
1181 | return retval; \ | |
1182 | } while (0) | |
1183 | ||
1184 | ||
1185 | static int pcic_get_status(struct pcmcia_socket *s, u_int *value) | |
1186 | { | |
1187 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1188 | ||
1189 | if (socket[sock].flags & IS_ALIVE) { | |
1190 | *value = 0; | |
1191 | return -EINVAL; | |
1192 | } | |
1193 | ||
1194 | LOCKED(i365_get_status(sock, value)); | |
1195 | } | |
1196 | ||
1da177e4 LT |
1197 | static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state) |
1198 | { | |
1199 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1200 | ||
1201 | if (socket[sock].flags & IS_ALIVE) | |
1202 | return -EINVAL; | |
1203 | ||
1204 | LOCKED(i365_set_socket(sock, state)); | |
1205 | } | |
1206 | ||
1207 | static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) | |
1208 | { | |
1209 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1210 | if (socket[sock].flags & IS_ALIVE) | |
1211 | return -EINVAL; | |
1212 | ||
1213 | LOCKED(i365_set_io_map(sock, io)); | |
1214 | } | |
1215 | ||
1216 | static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem) | |
1217 | { | |
1218 | unsigned int sock = container_of(s, struct i82365_socket, socket)->number; | |
1219 | if (socket[sock].flags & IS_ALIVE) | |
1220 | return -EINVAL; | |
1221 | ||
1222 | LOCKED(i365_set_mem_map(sock, mem)); | |
1223 | } | |
1224 | ||
1225 | static int pcic_init(struct pcmcia_socket *s) | |
1226 | { | |
1227 | int i; | |
1228 | struct resource res = { .start = 0, .end = 0x1000 }; | |
1229 | pccard_io_map io = { 0, 0, 0, 0, 1 }; | |
1230 | pccard_mem_map mem = { .res = &res, }; | |
1231 | ||
1232 | for (i = 0; i < 2; i++) { | |
1233 | io.map = i; | |
1234 | pcic_set_io_map(s, &io); | |
1235 | } | |
1236 | for (i = 0; i < 5; i++) { | |
1237 | mem.map = i; | |
1238 | pcic_set_mem_map(s, &mem); | |
1239 | } | |
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | static struct pccard_operations pcic_operations = { | |
1244 | .init = pcic_init, | |
1245 | .get_status = pcic_get_status, | |
1da177e4 LT |
1246 | .set_socket = pcic_set_socket, |
1247 | .set_io_map = pcic_set_io_map, | |
1248 | .set_mem_map = pcic_set_mem_map, | |
1249 | }; | |
1250 | ||
1251 | /*====================================================================*/ | |
1252 | ||
1da177e4 LT |
1253 | static struct device_driver i82365_driver = { |
1254 | .name = "i82365", | |
1255 | .bus = &platform_bus_type, | |
9480e307 RK |
1256 | .suspend = pcmcia_socket_dev_suspend, |
1257 | .resume = pcmcia_socket_dev_resume, | |
1da177e4 LT |
1258 | }; |
1259 | ||
dfb279c9 | 1260 | static struct platform_device *i82365_device; |
1da177e4 LT |
1261 | |
1262 | static int __init init_i82365(void) | |
1263 | { | |
1264 | int i, ret; | |
1265 | ||
1266 | ret = driver_register(&i82365_driver); | |
1267 | if (ret) | |
1268 | return ret; | |
1269 | ||
dfb279c9 DB |
1270 | i82365_device = platform_device_alloc("i82365", 0); |
1271 | if (i82365_device) { | |
1272 | ret = platform_device_add(i82365_device); | |
1273 | if (ret) | |
1274 | platform_device_put(i82365_device); | |
1275 | } else | |
1276 | ret = -ENOMEM; | |
1277 | ||
1da177e4 LT |
1278 | if (ret) { |
1279 | driver_unregister(&i82365_driver); | |
1280 | return ret; | |
1281 | } | |
1282 | ||
1283 | printk(KERN_INFO "Intel ISA PCIC probe: "); | |
1284 | sockets = 0; | |
1285 | ||
1286 | isa_probe(); | |
1287 | ||
1288 | if (sockets == 0) { | |
1289 | printk("not found.\n"); | |
dfb279c9 | 1290 | platform_device_unregister(i82365_device); |
a2932b35 | 1291 | release_region(i365_base, 2); |
1da177e4 LT |
1292 | driver_unregister(&i82365_driver); |
1293 | return -ENODEV; | |
1294 | } | |
1295 | ||
1296 | /* Set up interrupt handler(s) */ | |
1297 | if (grab_irq != 0) | |
1298 | request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt); | |
1299 | ||
1300 | /* register sockets with the pcmcia core */ | |
1301 | for (i = 0; i < sockets; i++) { | |
dfb279c9 | 1302 | socket[i].socket.dev.dev = &i82365_device->dev; |
1da177e4 LT |
1303 | socket[i].socket.ops = &pcic_operations; |
1304 | socket[i].socket.resource_ops = &pccard_nonstatic_ops; | |
1305 | socket[i].socket.owner = THIS_MODULE; | |
1306 | socket[i].number = i; | |
1307 | ret = pcmcia_register_socket(&socket[i].socket); | |
1308 | if (!ret) | |
1309 | socket[i].flags |= IS_REGISTERED; | |
1310 | ||
1311 | #if 0 /* driver model ordering issue */ | |
1312 | class_device_create_file(&socket[i].socket.dev, | |
1313 | &class_device_attr_info); | |
1314 | class_device_create_file(&socket[i].socket.dev, | |
1315 | &class_device_attr_exca); | |
1316 | #endif | |
1317 | } | |
1318 | ||
1319 | /* Finally, schedule a polling interrupt */ | |
1320 | if (poll_interval != 0) { | |
1321 | poll_timer.function = pcic_interrupt_wrapper; | |
1322 | poll_timer.data = 0; | |
1323 | init_timer(&poll_timer); | |
1324 | poll_timer.expires = jiffies + poll_interval; | |
1325 | add_timer(&poll_timer); | |
1326 | } | |
1327 | ||
1328 | return 0; | |
1329 | ||
1330 | } /* init_i82365 */ | |
1331 | ||
1332 | static void __exit exit_i82365(void) | |
1333 | { | |
1334 | int i; | |
1335 | ||
1336 | for (i = 0; i < sockets; i++) { | |
1337 | if (socket[i].flags & IS_REGISTERED) | |
1338 | pcmcia_unregister_socket(&socket[i].socket); | |
1339 | } | |
dfb279c9 | 1340 | platform_device_unregister(i82365_device); |
1da177e4 LT |
1341 | if (poll_interval != 0) |
1342 | del_timer_sync(&poll_timer); | |
1343 | if (grab_irq != 0) | |
1344 | free_irq(cs_irq, pcic_interrupt); | |
1345 | for (i = 0; i < sockets; i++) { | |
1346 | /* Turn off all interrupt sources! */ | |
1347 | i365_set(i, I365_CSCINT, 0); | |
1348 | release_region(socket[i].ioaddr, 2); | |
1349 | } | |
f354942c | 1350 | release_region(i365_base, 2); |
1da177e4 LT |
1351 | #ifdef CONFIG_PNP |
1352 | if (i82365_pnpdev) | |
1353 | pnp_disable_dev(i82365_pnpdev); | |
1354 | #endif | |
1355 | driver_unregister(&i82365_driver); | |
1356 | } /* exit_i82365 */ | |
1357 | ||
1358 | module_init(init_i82365); | |
1359 | module_exit(exit_i82365); | |
1360 | MODULE_LICENSE("Dual MPL/GPL"); | |
1361 | /*====================================================================*/ |