Input: Tone down the severity of a printk() in i386/ia64 arch code
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / input / serio / i8042-x86ia64io.h
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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/*
91 * Some Fujitsu notebooks are ahving trouble with touhcpads if
92 * active multiplexing mode is activated. Luckily they don't have
93 * external PS/2 ports so we can safely disable it.
94 */
95static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
96 {
97 .ident = "Fujitsu Lifebook P7010/P7010D",
98 .matches = {
99 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
100 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
101 },
102 },
103 {
104 .ident = "Fujitsu Lifebook P5020D",
105 .matches = {
106 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
107 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
108 },
109 },
110 {
111 .ident = "Fujitsu Lifebook S2000",
112 .matches = {
113 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
114 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
115 },
116 },
117 {
118 .ident = "Fujitsu T70H",
119 .matches = {
120 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
121 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
122 },
123 },
124 { }
125};
126
127
128
129#endif
130
131
132#ifdef CONFIG_PNP
133#include <linux/pnp.h>
134
135static int i8042_pnp_kbd_registered;
136static int i8042_pnp_aux_registered;
137
138static int i8042_pnp_command_reg;
139static int i8042_pnp_data_reg;
140static int i8042_pnp_kbd_irq;
141static int i8042_pnp_aux_irq;
142
143static char i8042_pnp_kbd_name[32];
144static char i8042_pnp_aux_name[32];
145
146static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
147{
148 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
149 i8042_pnp_data_reg = pnp_port_start(dev,0);
150
151 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
152 i8042_pnp_command_reg = pnp_port_start(dev, 1);
153
154 if (pnp_irq_valid(dev,0))
155 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
156
157 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
158 if (strlen(pnp_dev_name(dev))) {
159 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
160 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
161 }
162
163 return 0;
164}
165
166static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
167{
168 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
169 i8042_pnp_data_reg = pnp_port_start(dev,0);
170
171 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
172 i8042_pnp_command_reg = pnp_port_start(dev, 1);
173
174 if (pnp_irq_valid(dev, 0))
175 i8042_pnp_aux_irq = pnp_irq(dev, 0);
176
177 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
178 if (strlen(pnp_dev_name(dev))) {
179 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
180 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
181 }
182
183 return 0;
184}
185
186static struct pnp_device_id pnp_kbd_devids[] = {
187 { .id = "PNP0303", .driver_data = 0 },
188 { .id = "PNP030b", .driver_data = 0 },
189 { .id = "", },
190};
191
192static struct pnp_driver i8042_pnp_kbd_driver = {
193 .name = "i8042 kbd",
194 .id_table = pnp_kbd_devids,
195 .probe = i8042_pnp_kbd_probe,
196};
197
198static struct pnp_device_id pnp_aux_devids[] = {
199 { .id = "PNP0f03", .driver_data = 0 },
200 { .id = "PNP0f0b", .driver_data = 0 },
201 { .id = "PNP0f0e", .driver_data = 0 },
202 { .id = "PNP0f12", .driver_data = 0 },
203 { .id = "PNP0f13", .driver_data = 0 },
204 { .id = "PNP0f19", .driver_data = 0 },
205 { .id = "PNP0f1c", .driver_data = 0 },
206 { .id = "SYN0801", .driver_data = 0 },
207 { .id = "", },
208};
209
210static struct pnp_driver i8042_pnp_aux_driver = {
211 .name = "i8042 aux",
212 .id_table = pnp_aux_devids,
213 .probe = i8042_pnp_aux_probe,
214};
215
216static void i8042_pnp_exit(void)
217{
218 if (i8042_pnp_kbd_registered)
219 pnp_unregister_driver(&i8042_pnp_kbd_driver);
220
221 if (i8042_pnp_aux_registered)
222 pnp_unregister_driver(&i8042_pnp_aux_driver);
223}
224
225static int i8042_pnp_init(void)
226{
227 int result_kbd, result_aux;
228
229 if (i8042_nopnp) {
39fa5800 230 printk(KERN_INFO "i8042: PNP detection disabled\n");
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231 return 0;
232 }
233
234 if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
235 i8042_pnp_kbd_registered = 1;
236 if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
237 i8042_pnp_aux_registered = 1;
238
239 if (result_kbd <= 0 && result_aux <= 0) {
240 i8042_pnp_exit();
241#if defined(__ia64__)
242 return -ENODEV;
243#else
5a72afc0 244 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4
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245 return 0;
246#endif
247 }
248
249 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
250 i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
251 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
252 i8042_pnp_data_reg, i8042_data_reg);
253 i8042_pnp_data_reg = i8042_data_reg;
254 }
255
256 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
257 i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
258 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
259 i8042_pnp_command_reg, i8042_command_reg);
260 i8042_pnp_command_reg = i8042_command_reg;
261 }
262
263 if (!i8042_pnp_kbd_irq) {
264 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
265 i8042_pnp_kbd_irq = i8042_kbd_irq;
266 }
267
39fa5800 268 if (!i8042_pnp_aux_irq) {
1da177e4
LT
269 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
270 i8042_pnp_aux_irq = i8042_aux_irq;
271 }
272
273#if defined(__ia64__)
274 if (result_aux <= 0)
275 i8042_noaux = 1;
276#endif
277
278 i8042_data_reg = i8042_pnp_data_reg;
279 i8042_command_reg = i8042_pnp_command_reg;
280 i8042_kbd_irq = i8042_pnp_kbd_irq;
281 i8042_aux_irq = i8042_pnp_aux_irq;
282
283 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
284 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
285 i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
286 (result_aux > 0) ? "," : "", i8042_aux_irq);
287
288 return 0;
289}
290
291#endif
292
293static inline int i8042_platform_init(void)
294{
295/*
296 * On ix86 platforms touching the i8042 data register region can do really
297 * bad things. Because of this the region is always reserved on ix86 boxes.
298 *
299 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
300 * return -1;
301 */
302
303 i8042_kbd_irq = I8042_MAP_IRQ(1);
304 i8042_aux_irq = I8042_MAP_IRQ(12);
305
306#ifdef CONFIG_PNP
307 if (i8042_pnp_init())
308 return -1;
309#endif
310
311#if defined(__ia64__)
312 i8042_reset = 1;
313#endif
314
315#if defined(__i386__)
316 if (dmi_check_system(i8042_dmi_noloop_table))
317 i8042_noloop = 1;
318
319 if (dmi_check_system(i8042_dmi_nomux_table))
320 i8042_nomux = 1;
321#endif
322
323 return 0;
324}
325
326static inline void i8042_platform_exit(void)
327{
328#ifdef CONFIG_PNP
329 i8042_pnp_exit();
330#endif
331}
332
333#endif /* _I8042_X86IA64IO_H */