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Input: make i8042_platform_init return 'real' error code
[net-next-2.6.git] / drivers / input / serio / i8042-x86ia64io.h
CommitLineData
1da177e4
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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};
89
90/*
59311de3 91 * Some Fujitsu notebooks are having trouble with touchpads if
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92 * active multiplexing mode is activated. Luckily they don't have
93 * external PS/2 ports so we can safely disable it.
59311de3
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94 * ... apparently some Toshibas don't like MUX mode either and
95 * die horrible death on reboot.
1da177e4
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96 */
97static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
98 {
99 .ident = "Fujitsu Lifebook P7010/P7010D",
100 .matches = {
101 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
102 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
103 },
104 },
105 {
106 .ident = "Fujitsu Lifebook P5020D",
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
109 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
110 },
111 },
112 {
113 .ident = "Fujitsu Lifebook S2000",
114 .matches = {
115 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
116 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
117 },
118 },
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119 {
120 .ident = "Fujitsu Lifebook S6230",
121 .matches = {
122 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
123 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
124 },
125 },
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126 {
127 .ident = "Fujitsu T70H",
128 .matches = {
129 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
130 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
131 },
132 },
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133 {
134 .ident = "Fujitsu-Siemens Lifebook T3010",
135 .matches = {
136 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
137 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
138 },
139 },
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140 {
141 .ident = "Toshiba P10",
142 .matches = {
143 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
144 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
145 },
146 },
865190cd
DT
147 {
148 .ident = "Alienware Sentia",
149 .matches = {
150 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
151 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
152 },
153 },
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154 { }
155};
156
157
158
159#endif
160
161
162#ifdef CONFIG_PNP
163#include <linux/pnp.h>
164
165static int i8042_pnp_kbd_registered;
166static int i8042_pnp_aux_registered;
167
168static int i8042_pnp_command_reg;
169static int i8042_pnp_data_reg;
170static int i8042_pnp_kbd_irq;
171static int i8042_pnp_aux_irq;
172
173static char i8042_pnp_kbd_name[32];
174static char i8042_pnp_aux_name[32];
175
176static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
177{
178 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
179 i8042_pnp_data_reg = pnp_port_start(dev,0);
180
181 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
182 i8042_pnp_command_reg = pnp_port_start(dev, 1);
183
184 if (pnp_irq_valid(dev,0))
185 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
186
187 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
188 if (strlen(pnp_dev_name(dev))) {
189 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
190 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
191 }
192
193 return 0;
194}
195
196static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
197{
198 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
199 i8042_pnp_data_reg = pnp_port_start(dev,0);
200
201 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
202 i8042_pnp_command_reg = pnp_port_start(dev, 1);
203
204 if (pnp_irq_valid(dev, 0))
205 i8042_pnp_aux_irq = pnp_irq(dev, 0);
206
207 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
208 if (strlen(pnp_dev_name(dev))) {
209 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
210 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
211 }
212
213 return 0;
214}
215
216static struct pnp_device_id pnp_kbd_devids[] = {
217 { .id = "PNP0303", .driver_data = 0 },
218 { .id = "PNP030b", .driver_data = 0 },
219 { .id = "", },
220};
221
222static struct pnp_driver i8042_pnp_kbd_driver = {
223 .name = "i8042 kbd",
224 .id_table = pnp_kbd_devids,
225 .probe = i8042_pnp_kbd_probe,
226};
227
228static struct pnp_device_id pnp_aux_devids[] = {
229 { .id = "PNP0f03", .driver_data = 0 },
230 { .id = "PNP0f0b", .driver_data = 0 },
231 { .id = "PNP0f0e", .driver_data = 0 },
232 { .id = "PNP0f12", .driver_data = 0 },
233 { .id = "PNP0f13", .driver_data = 0 },
234 { .id = "PNP0f19", .driver_data = 0 },
235 { .id = "PNP0f1c", .driver_data = 0 },
236 { .id = "SYN0801", .driver_data = 0 },
237 { .id = "", },
238};
239
240static struct pnp_driver i8042_pnp_aux_driver = {
241 .name = "i8042 aux",
242 .id_table = pnp_aux_devids,
243 .probe = i8042_pnp_aux_probe,
244};
245
246static void i8042_pnp_exit(void)
247{
74af42bb
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248 if (i8042_pnp_kbd_registered) {
249 i8042_pnp_kbd_registered = 0;
1da177e4 250 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 251 }
1da177e4 252
74af42bb
KG
253 if (i8042_pnp_aux_registered) {
254 i8042_pnp_aux_registered = 0;
1da177e4 255 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 256 }
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257}
258
8d5987a6 259static int __init i8042_pnp_init(void)
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260{
261 int result_kbd, result_aux;
262
263 if (i8042_nopnp) {
39fa5800 264 printk(KERN_INFO "i8042: PNP detection disabled\n");
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265 return 0;
266 }
267
268 if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
269 i8042_pnp_kbd_registered = 1;
270 if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
271 i8042_pnp_aux_registered = 1;
272
273 if (result_kbd <= 0 && result_aux <= 0) {
274 i8042_pnp_exit();
275#if defined(__ia64__)
276 return -ENODEV;
277#else
5a72afc0 278 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4
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279 return 0;
280#endif
281 }
282
283 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
284 i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
285 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
286 i8042_pnp_data_reg, i8042_data_reg);
287 i8042_pnp_data_reg = i8042_data_reg;
288 }
289
290 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
291 i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
292 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
293 i8042_pnp_command_reg, i8042_command_reg);
294 i8042_pnp_command_reg = i8042_command_reg;
295 }
296
297 if (!i8042_pnp_kbd_irq) {
298 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
299 i8042_pnp_kbd_irq = i8042_kbd_irq;
300 }
301
39fa5800 302 if (!i8042_pnp_aux_irq) {
1da177e4
LT
303 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
304 i8042_pnp_aux_irq = i8042_aux_irq;
305 }
306
307#if defined(__ia64__)
308 if (result_aux <= 0)
309 i8042_noaux = 1;
310#endif
311
312 i8042_data_reg = i8042_pnp_data_reg;
313 i8042_command_reg = i8042_pnp_command_reg;
314 i8042_kbd_irq = i8042_pnp_kbd_irq;
315 i8042_aux_irq = i8042_pnp_aux_irq;
316
317 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
318 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
319 i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
320 (result_aux > 0) ? "," : "", i8042_aux_irq);
321
322 return 0;
323}
324
8d5987a6
DT
325#else
326static inline int i8042_pnp_init(void) { return 0; }
327static inline void i8042_pnp_exit(void) { }
1da177e4
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328#endif
329
8d5987a6 330static int __init i8042_platform_init(void)
1da177e4 331{
8d5987a6
DT
332 int retval;
333
1da177e4
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334/*
335 * On ix86 platforms touching the i8042 data register region can do really
336 * bad things. Because of this the region is always reserved on ix86 boxes.
337 *
338 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 339 * return -EBUSY;
1da177e4
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340 */
341
342 i8042_kbd_irq = I8042_MAP_IRQ(1);
343 i8042_aux_irq = I8042_MAP_IRQ(12);
344
8d5987a6
DT
345 retval = i8042_pnp_init();
346 if (retval)
347 return retval;
1da177e4
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348
349#if defined(__ia64__)
350 i8042_reset = 1;
351#endif
352
353#if defined(__i386__)
354 if (dmi_check_system(i8042_dmi_noloop_table))
355 i8042_noloop = 1;
356
357 if (dmi_check_system(i8042_dmi_nomux_table))
358 i8042_nomux = 1;
359#endif
360
8d5987a6 361 return retval;
1da177e4
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362}
363
364static inline void i8042_platform_exit(void)
365{
1da177e4 366 i8042_pnp_exit();
1da177e4
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367}
368
369#endif /* _I8042_X86IA64IO_H */