Input: Add a missing KERN_INFO message designation, fix behavior
[linux-2.6.git] / drivers / input / serio / i8042-x86ia64io.h
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
31 static int i8042_kbd_irq;
32 static 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
42 static int i8042_command_reg = 0x64;
43 static int i8042_data_reg = 0x60;
44
45
46 static inline int i8042_read_data(void)
47 {
48         return inb(I8042_DATA_REG);
49 }
50
51 static inline int i8042_read_status(void)
52 {
53         return inb(I8042_STATUS_REG);
54 }
55
56 static inline void i8042_write_data(int val)
57 {
58         outb(val, I8042_DATA_REG);
59 }
60
61 static 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
70 static 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  */
95 static 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
135 static int i8042_pnp_kbd_registered;
136 static int i8042_pnp_aux_registered;
137
138 static int i8042_pnp_command_reg;
139 static int i8042_pnp_data_reg;
140 static int i8042_pnp_kbd_irq;
141 static int i8042_pnp_aux_irq;
142
143 static char i8042_pnp_kbd_name[32];
144 static char i8042_pnp_aux_name[32];
145
146 static 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
166 static 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
186 static struct pnp_device_id pnp_kbd_devids[] = {
187         { .id = "PNP0303", .driver_data = 0 },
188         { .id = "PNP030b", .driver_data = 0 },
189         { .id = "", },
190 };
191
192 static 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
198 static 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
210 static 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
216 static 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
225 static int i8042_pnp_init(void)
226 {
227         int result_kbd, result_aux;
228
229         if (i8042_nopnp) {
230                 printk(KERN_INFO "i8042: PNP detection disabled\n");
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
244                 printk(KERN_WARNING "PNP: No PS/2 controller found. Probing ports directly.\n");
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
268         if (!i8042_pnp_aux_irq) {
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
293 static 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
326 static inline void i8042_platform_exit(void)
327 {
328 #ifdef CONFIG_PNP
329         i8042_pnp_exit();
330 #endif
331 }
332
333 #endif /* _I8042_X86IA64IO_H */