tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1#ifndef _I8042_X86IA64IO_H
2#define _I8042_X86IA64IO_H
3
4/*
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
8 */
9
10/*
11 * Names.
12 */
13
14#define I8042_KBD_PHYS_DESC "isa0060/serio0"
15#define I8042_AUX_PHYS_DESC "isa0060/serio1"
16#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
17
18/*
19 * IRQs.
20 */
21
22#if defined(__ia64__)
23# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
24#else
25# define I8042_MAP_IRQ(x) (x)
26#endif
27
28#define I8042_KBD_IRQ i8042_kbd_irq
29#define I8042_AUX_IRQ i8042_aux_irq
30
31static int i8042_kbd_irq;
32static int i8042_aux_irq;
33
34/*
35 * Register numbers.
36 */
37
38#define I8042_COMMAND_REG i8042_command_reg
39#define I8042_STATUS_REG i8042_command_reg
40#define I8042_DATA_REG i8042_data_reg
41
42static int i8042_command_reg = 0x64;
43static int i8042_data_reg = 0x60;
44
45
46static inline int i8042_read_data(void)
47{
48 return inb(I8042_DATA_REG);
49}
50
51static inline int i8042_read_status(void)
52{
53 return inb(I8042_STATUS_REG);
54}
55
56static inline void i8042_write_data(int val)
57{
58 outb(val, I8042_DATA_REG);
59}
60
61static inline void i8042_write_command(int val)
62{
63 outb(val, I8042_COMMAND_REG);
64}
65
66#if defined(__i386__)
67
68#include <linux/dmi.h>
69
70static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
71 {
72 /* AUX LOOP command does not raise AUX IRQ */
73 .ident = "ASUS P65UP5",
74 .matches = {
75 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
76 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
77 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
78 },
79 },
80 {
81 .ident = "Compaq Proliant 8500",
82 .matches = {
83 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
84 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
85 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
86 },
87 },
88 {
89 .ident = "Compaq Proliant DL760",
90 .matches = {
91 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
92 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
93 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
94 },
95 },
96 {
97 .ident = "OQO Model 01",
98 .matches = {
99 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
100 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
101 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
102 },
103 },
104 {
105 /* AUX LOOP does not work properly */
106 .ident = "ULI EV4873",
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
109 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
110 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
111 },
112 },
113 { }
114};
115
116/*
117 * Some Fujitsu notebooks are having trouble with touchpads if
118 * active multiplexing mode is activated. Luckily they don't have
119 * external PS/2 ports so we can safely disable it.
120 * ... apparently some Toshibas don't like MUX mode either and
121 * die horrible death on reboot.
122 */
123static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
124 {
125 .ident = "Fujitsu Lifebook P7010/P7010D",
126 .matches = {
127 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
128 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
129 },
130 },
131 {
132 .ident = "Fujitsu Lifebook P7010",
133 .matches = {
134 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
135 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
136 },
137 },
138 {
139 .ident = "Fujitsu Lifebook P5020D",
140 .matches = {
141 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
142 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
143 },
144 },
145 {
146 .ident = "Fujitsu Lifebook S2000",
147 .matches = {
148 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
149 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
150 },
151 },
152 {
153 .ident = "Fujitsu Lifebook S6230",
154 .matches = {
155 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
156 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
157 },
158 },
159 {
160 .ident = "Fujitsu T70H",
161 .matches = {
162 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
163 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
164 },
165 },
166 {
167 .ident = "Fujitsu-Siemens Lifebook T3010",
168 .matches = {
169 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
170 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
171 },
172 },
173 {
174 .ident = "Fujitsu-Siemens Lifebook E4010",
175 .matches = {
176 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
177 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
178 },
179 },
180 {
181 /*
182 * No data is coming from the touchscreen unless KBC
183 * is in legacy mode.
184 */
185 .ident = "Panasonic CF-29",
186 .matches = {
187 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
188 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
189 },
190 },
191 {
192 /*
193 * Errors on MUX ports are reported without raising AUXDATA
194 * causing "spurious NAK" messages.
195 */
196 .ident = "HP Pavilion DV4017EA",
197 .matches = {
198 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
199 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
200 },
201 },
202 {
203 /*
204 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
205 */
206 .ident = "HP Pavilion ZT1000",
207 .matches = {
208 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
209 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
210 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
211 },
212 },
213 {
214 /*
215 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
216 */
217 .ident = "HP Pavilion DV4270ca",
218 .matches = {
219 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
220 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
221 },
222 },
223 {
224 .ident = "Toshiba P10",
225 .matches = {
226 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
227 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
228 },
229 },
230 {
231 .ident = "Toshiba Equium A110",
232 .matches = {
233 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
234 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
235 },
236 },
237 {
238 .ident = "Alienware Sentia",
239 .matches = {
240 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
241 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
242 },
243 },
244 {
245 .ident = "Sharp Actius MM20",
246 .matches = {
247 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
248 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
249 },
250 },
251 {
252 .ident = "Sony Vaio FS-115b",
253 .matches = {
254 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
255 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
256 },
257 },
258 {
259 .ident = "Amoi M636/A737",
260 .matches = {
261 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
262 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
263 },
264 },
265 { }
266};
267
268
269
270#endif
271
272
273#ifdef CONFIG_PNP
274#include <linux/pnp.h>
275
276static int i8042_pnp_kbd_registered;
277static unsigned int i8042_pnp_kbd_devices;
278static int i8042_pnp_aux_registered;
279static unsigned int i8042_pnp_aux_devices;
280
281static int i8042_pnp_command_reg;
282static int i8042_pnp_data_reg;
283static int i8042_pnp_kbd_irq;
284static int i8042_pnp_aux_irq;
285
286static char i8042_pnp_kbd_name[32];
287static char i8042_pnp_aux_name[32];
288
289static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
290{
291 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
292 i8042_pnp_data_reg = pnp_port_start(dev,0);
293
294 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
295 i8042_pnp_command_reg = pnp_port_start(dev, 1);
296
297 if (pnp_irq_valid(dev,0))
298 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
299
300 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
301 if (strlen(pnp_dev_name(dev))) {
302 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
303 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
304 }
305
306 i8042_pnp_kbd_devices++;
307 return 0;
308}
309
310static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
311{
312 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
313 i8042_pnp_data_reg = pnp_port_start(dev,0);
314
315 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
316 i8042_pnp_command_reg = pnp_port_start(dev, 1);
317
318 if (pnp_irq_valid(dev, 0))
319 i8042_pnp_aux_irq = pnp_irq(dev, 0);
320
321 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
322 if (strlen(pnp_dev_name(dev))) {
323 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
324 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
325 }
326
327 i8042_pnp_aux_devices++;
328 return 0;
329}
330
331static struct pnp_device_id pnp_kbd_devids[] = {
332 { .id = "PNP0303", .driver_data = 0 },
333 { .id = "PNP030b", .driver_data = 0 },
334 { .id = "", },
335};
336
337static struct pnp_driver i8042_pnp_kbd_driver = {
338 .name = "i8042 kbd",
339 .id_table = pnp_kbd_devids,
340 .probe = i8042_pnp_kbd_probe,
341};
342
343static struct pnp_device_id pnp_aux_devids[] = {
344 { .id = "FJC6000", .driver_data = 0 },
345 { .id = "FJC6001", .driver_data = 0 },
346 { .id = "PNP0f03", .driver_data = 0 },
347 { .id = "PNP0f0b", .driver_data = 0 },
348 { .id = "PNP0f0e", .driver_data = 0 },
349 { .id = "PNP0f12", .driver_data = 0 },
350 { .id = "PNP0f13", .driver_data = 0 },
351 { .id = "PNP0f19", .driver_data = 0 },
352 { .id = "PNP0f1c", .driver_data = 0 },
353 { .id = "SYN0801", .driver_data = 0 },
354 { .id = "", },
355};
356
357static struct pnp_driver i8042_pnp_aux_driver = {
358 .name = "i8042 aux",
359 .id_table = pnp_aux_devids,
360 .probe = i8042_pnp_aux_probe,
361};
362
363static void i8042_pnp_exit(void)
364{
365 if (i8042_pnp_kbd_registered) {
366 i8042_pnp_kbd_registered = 0;
367 pnp_unregister_driver(&i8042_pnp_kbd_driver);
368 }
369
370 if (i8042_pnp_aux_registered) {
371 i8042_pnp_aux_registered = 0;
372 pnp_unregister_driver(&i8042_pnp_aux_driver);
373 }
374}
375
376static int __init i8042_pnp_init(void)
377{
378 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
379 int pnp_data_busted = 0;
380 int err;
381
382 if (i8042_nopnp) {
383 printk(KERN_INFO "i8042: PNP detection disabled\n");
384 return 0;
385 }
386
387 err = pnp_register_driver(&i8042_pnp_kbd_driver);
388 if (!err)
389 i8042_pnp_kbd_registered = 1;
390
391 err = pnp_register_driver(&i8042_pnp_aux_driver);
392 if (!err)
393 i8042_pnp_aux_registered = 1;
394
395 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
396 i8042_pnp_exit();
397#if defined(__ia64__)
398 return -ENODEV;
399#else
400 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
401 return 0;
402#endif
403 }
404
405 if (i8042_pnp_kbd_devices)
406 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
407 "%d", i8042_pnp_kbd_irq);
408 if (i8042_pnp_aux_devices)
409 snprintf(aux_irq_str, sizeof(aux_irq_str),
410 "%d", i8042_pnp_aux_irq);
411
412 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
413 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
414 i8042_pnp_aux_name,
415 i8042_pnp_data_reg, i8042_pnp_command_reg,
416 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
417 aux_irq_str);
418
419#if defined(__ia64__)
420 if (!i8042_pnp_kbd_devices)
421 i8042_nokbd = 1;
422 if (!i8042_pnp_aux_devices)
423 i8042_noaux = 1;
424#endif
425
426 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
427 i8042_pnp_data_reg != i8042_data_reg) ||
428 !i8042_pnp_data_reg) {
429 printk(KERN_WARNING
430 "PNP: PS/2 controller has invalid data port %#x; "
431 "using default %#x\n",
432 i8042_pnp_data_reg, i8042_data_reg);
433 i8042_pnp_data_reg = i8042_data_reg;
434 pnp_data_busted = 1;
435 }
436
437 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
438 i8042_pnp_command_reg != i8042_command_reg) ||
439 !i8042_pnp_command_reg) {
440 printk(KERN_WARNING
441 "PNP: PS/2 controller has invalid command port %#x; "
442 "using default %#x\n",
443 i8042_pnp_command_reg, i8042_command_reg);
444 i8042_pnp_command_reg = i8042_command_reg;
445 pnp_data_busted = 1;
446 }
447
448 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
449 printk(KERN_WARNING
450 "PNP: PS/2 controller doesn't have KBD irq; "
451 "using default %d\n", i8042_kbd_irq);
452 i8042_pnp_kbd_irq = i8042_kbd_irq;
453 pnp_data_busted = 1;
454 }
455
456 if (!i8042_noaux && !i8042_pnp_aux_irq) {
457 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
458 printk(KERN_WARNING
459 "PNP: PS/2 appears to have AUX port disabled, "
460 "if this is incorrect please boot with "
461 "i8042.nopnp\n");
462 i8042_noaux = 1;
463 } else {
464 printk(KERN_WARNING
465 "PNP: PS/2 controller doesn't have AUX irq; "
466 "using default %d\n", i8042_aux_irq);
467 i8042_pnp_aux_irq = i8042_aux_irq;
468 }
469 }
470
471 i8042_data_reg = i8042_pnp_data_reg;
472 i8042_command_reg = i8042_pnp_command_reg;
473 i8042_kbd_irq = i8042_pnp_kbd_irq;
474 i8042_aux_irq = i8042_pnp_aux_irq;
475
476 return 0;
477}
478
479#else
480static inline int i8042_pnp_init(void) { return 0; }
481static inline void i8042_pnp_exit(void) { }
482#endif
483
484static int __init i8042_platform_init(void)
485{
486 int retval;
487
488/*
489 * On ix86 platforms touching the i8042 data register region can do really
490 * bad things. Because of this the region is always reserved on ix86 boxes.
491 *
492 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
493 * return -EBUSY;
494 */
495
496 i8042_kbd_irq = I8042_MAP_IRQ(1);
497 i8042_aux_irq = I8042_MAP_IRQ(12);
498
499 retval = i8042_pnp_init();
500 if (retval)
501 return retval;
502
503#if defined(__ia64__)
504 i8042_reset = 1;
505#endif
506
507#if defined(__i386__)
508 if (dmi_check_system(i8042_dmi_noloop_table))
509 i8042_noloop = 1;
510
511 if (dmi_check_system(i8042_dmi_nomux_table))
512 i8042_nomux = 1;
513#endif
514
515 return retval;
516}
517
518static inline void i8042_platform_exit(void)
519{
520 i8042_pnp_exit();
521}
522
523#endif /* _I8042_X86IA64IO_H */