tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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 .ident = "Compaq Proliant 8500",
73 .matches = {
74 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
75 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
76 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
77 },
78 },
79 {
80 .ident = "Compaq Proliant DL760",
81 .matches = {
82 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
83 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
84 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
85 },
86 },
87 {
88 .ident = "OQO Model 01",
89 .matches = {
90 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
91 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
92 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
93 },
94 },
95 { }
96};
97
98/*
99 * Some Fujitsu notebooks are having trouble with touchpads if
100 * active multiplexing mode is activated. Luckily they don't have
101 * external PS/2 ports so we can safely disable it.
102 * ... apparently some Toshibas don't like MUX mode either and
103 * die horrible death on reboot.
104 */
105static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
106 {
107 .ident = "Fujitsu Lifebook P7010/P7010D",
108 .matches = {
109 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
110 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
111 },
112 },
113 {
114 .ident = "Fujitsu Lifebook P7010",
115 .matches = {
116 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
117 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
118 },
119 },
120 {
121 .ident = "Fujitsu Lifebook P5020D",
122 .matches = {
123 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
124 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
125 },
126 },
127 {
128 .ident = "Fujitsu Lifebook S2000",
129 .matches = {
130 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
131 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
132 },
133 },
134 {
135 .ident = "Fujitsu Lifebook S6230",
136 .matches = {
137 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
138 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
139 },
140 },
141 {
142 .ident = "Fujitsu T70H",
143 .matches = {
144 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
145 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
146 },
147 },
148 {
149 .ident = "Fujitsu-Siemens Lifebook T3010",
150 .matches = {
151 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
152 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
153 },
154 },
155 {
156 .ident = "Fujitsu-Siemens Lifebook E4010",
157 .matches = {
158 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
159 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
160 },
161 },
162 {
163 .ident = "Toshiba P10",
164 .matches = {
165 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
166 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
167 },
168 },
169 {
170 .ident = "Toshiba Equium A110",
171 .matches = {
172 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
173 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
174 },
175 },
176 {
177 .ident = "Alienware Sentia",
178 .matches = {
179 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
180 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
181 },
182 },
183 {
184 .ident = "Sharp Actius MM20",
185 .matches = {
186 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
187 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
188 },
189 },
190 {
191 .ident = "Sony Vaio FS-115b",
192 .matches = {
193 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
194 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
195 },
196 },
197 {
198 .ident = "Amoi M636/A737",
199 .matches = {
200 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
201 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
202 },
203 },
204 { }
205};
206
207
208
209#endif
210
211
212#ifdef CONFIG_PNP
213#include <linux/pnp.h>
214
215static int i8042_pnp_kbd_registered;
216static unsigned int i8042_pnp_kbd_devices;
217static int i8042_pnp_aux_registered;
218static unsigned int i8042_pnp_aux_devices;
219
220static int i8042_pnp_command_reg;
221static int i8042_pnp_data_reg;
222static int i8042_pnp_kbd_irq;
223static int i8042_pnp_aux_irq;
224
225static char i8042_pnp_kbd_name[32];
226static char i8042_pnp_aux_name[32];
227
228static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
229{
230 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
231 i8042_pnp_data_reg = pnp_port_start(dev,0);
232
233 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
234 i8042_pnp_command_reg = pnp_port_start(dev, 1);
235
236 if (pnp_irq_valid(dev,0))
237 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
238
239 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
240 if (strlen(pnp_dev_name(dev))) {
241 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
242 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
243 }
244
245 i8042_pnp_kbd_devices++;
246 return 0;
247}
248
249static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
250{
251 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
252 i8042_pnp_data_reg = pnp_port_start(dev,0);
253
254 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
255 i8042_pnp_command_reg = pnp_port_start(dev, 1);
256
257 if (pnp_irq_valid(dev, 0))
258 i8042_pnp_aux_irq = pnp_irq(dev, 0);
259
260 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
261 if (strlen(pnp_dev_name(dev))) {
262 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
263 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
264 }
265
266 i8042_pnp_aux_devices++;
267 return 0;
268}
269
270static struct pnp_device_id pnp_kbd_devids[] = {
271 { .id = "PNP0303", .driver_data = 0 },
272 { .id = "PNP030b", .driver_data = 0 },
273 { .id = "", },
274};
275
276static struct pnp_driver i8042_pnp_kbd_driver = {
277 .name = "i8042 kbd",
278 .id_table = pnp_kbd_devids,
279 .probe = i8042_pnp_kbd_probe,
280};
281
282static struct pnp_device_id pnp_aux_devids[] = {
283 { .id = "PNP0f03", .driver_data = 0 },
284 { .id = "PNP0f0b", .driver_data = 0 },
285 { .id = "PNP0f0e", .driver_data = 0 },
286 { .id = "PNP0f12", .driver_data = 0 },
287 { .id = "PNP0f13", .driver_data = 0 },
288 { .id = "PNP0f19", .driver_data = 0 },
289 { .id = "PNP0f1c", .driver_data = 0 },
290 { .id = "SYN0801", .driver_data = 0 },
291 { .id = "", },
292};
293
294static struct pnp_driver i8042_pnp_aux_driver = {
295 .name = "i8042 aux",
296 .id_table = pnp_aux_devids,
297 .probe = i8042_pnp_aux_probe,
298};
299
300static void i8042_pnp_exit(void)
301{
302 if (i8042_pnp_kbd_registered) {
303 i8042_pnp_kbd_registered = 0;
304 pnp_unregister_driver(&i8042_pnp_kbd_driver);
305 }
306
307 if (i8042_pnp_aux_registered) {
308 i8042_pnp_aux_registered = 0;
309 pnp_unregister_driver(&i8042_pnp_aux_driver);
310 }
311}
312
313static int __init i8042_pnp_init(void)
314{
315 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
316 int err;
317
318 if (i8042_nopnp) {
319 printk(KERN_INFO "i8042: PNP detection disabled\n");
320 return 0;
321 }
322
323 err = pnp_register_driver(&i8042_pnp_kbd_driver);
324 if (!err)
325 i8042_pnp_kbd_registered = 1;
326
327 err = pnp_register_driver(&i8042_pnp_aux_driver);
328 if (!err)
329 i8042_pnp_aux_registered = 1;
330
331 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
332 i8042_pnp_exit();
333#if defined(__ia64__)
334 return -ENODEV;
335#else
336 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
337 return 0;
338#endif
339 }
340
341 if (i8042_pnp_kbd_devices)
342 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
343 "%d", i8042_pnp_kbd_irq);
344 if (i8042_pnp_aux_devices)
345 snprintf(aux_irq_str, sizeof(aux_irq_str),
346 "%d", i8042_pnp_aux_irq);
347
348 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
349 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
350 i8042_pnp_aux_name,
351 i8042_pnp_data_reg, i8042_pnp_command_reg,
352 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
353 aux_irq_str);
354
355#if defined(__ia64__)
356 if (!i8042_pnp_kbd_devices)
357 i8042_nokbd = 1;
358 if (!i8042_pnp_aux_devices)
359 i8042_noaux = 1;
360#endif
361
362 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
363 i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
364 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
365 i8042_pnp_data_reg, i8042_data_reg);
366 i8042_pnp_data_reg = i8042_data_reg;
367 }
368
369 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
370 i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
371 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
372 i8042_pnp_command_reg, i8042_command_reg);
373 i8042_pnp_command_reg = i8042_command_reg;
374 }
375
376 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
377 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
378 i8042_pnp_kbd_irq = i8042_kbd_irq;
379 }
380
381 if (!i8042_noaux && !i8042_pnp_aux_irq) {
382 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
383 i8042_pnp_aux_irq = i8042_aux_irq;
384 }
385
386 i8042_data_reg = i8042_pnp_data_reg;
387 i8042_command_reg = i8042_pnp_command_reg;
388 i8042_kbd_irq = i8042_pnp_kbd_irq;
389 i8042_aux_irq = i8042_pnp_aux_irq;
390
391 return 0;
392}
393
394#else
395static inline int i8042_pnp_init(void) { return 0; }
396static inline void i8042_pnp_exit(void) { }
397#endif
398
399static int __init i8042_platform_init(void)
400{
401 int retval;
402
403/*
404 * On ix86 platforms touching the i8042 data register region can do really
405 * bad things. Because of this the region is always reserved on ix86 boxes.
406 *
407 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
408 * return -EBUSY;
409 */
410
411 i8042_kbd_irq = I8042_MAP_IRQ(1);
412 i8042_aux_irq = I8042_MAP_IRQ(12);
413
414 retval = i8042_pnp_init();
415 if (retval)
416 return retval;
417
418#if defined(__ia64__)
419 i8042_reset = 1;
420#endif
421
422#if defined(__i386__)
423 if (dmi_check_system(i8042_dmi_noloop_table))
424 i8042_noloop = 1;
425
426 if (dmi_check_system(i8042_dmi_nomux_table))
427 i8042_nomux = 1;
428#endif
429
430 return retval;
431}
432
433static inline void i8042_platform_exit(void)
434{
435 i8042_pnp_exit();
436}
437
438#endif /* _I8042_X86IA64IO_H */