Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | }, |
Ben Collins | 6020baf | 2006-01-05 23:00:38 -0500 | [diff] [blame] | 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 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | { } |
| 96 | }; |
| 97 | |
| 98 | /* |
Dmitry Torokhov | 59311de | 2005-05-28 02:12:05 -0500 | [diff] [blame] | 99 | * Some Fujitsu notebooks are having trouble with touchpads if |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | * active multiplexing mode is activated. Luckily they don't have |
| 101 | * external PS/2 ports so we can safely disable it. |
Dmitry Torokhov | 59311de | 2005-05-28 02:12:05 -0500 | [diff] [blame] | 102 | * ... apparently some Toshibas don't like MUX mode either and |
| 103 | * die horrible death on reboot. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | */ |
| 105 | static 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 | { |
Dmitry Torokhov | bb06ec3 | 2006-12-08 01:36:32 -0500 | [diff] [blame] | 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 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | { |
Dmitry Torokhov | b4ff99b | 2005-05-28 02:12:10 -0500 | [diff] [blame] | 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 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | .ident = "Fujitsu T70H", |
| 143 | .matches = { |
| 144 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), |
| 145 | DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"), |
| 146 | }, |
| 147 | }, |
Dmitry Torokhov | 59311de | 2005-05-28 02:12:05 -0500 | [diff] [blame] | 148 | { |
Vojtech Pavlik | 20f0794 | 2005-07-11 01:06:28 -0500 | [diff] [blame] | 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 | { |
Dmitry Torokhov | 7545c24 | 2005-09-04 01:42:10 -0500 | [diff] [blame] | 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 | { |
Dmitry Torokhov | 6e78258 | 2007-03-16 00:59:42 -0400 | [diff] [blame^] | 163 | /* |
| 164 | * Errors on MUX ports are reported without raising AUXDATA |
| 165 | * causing "spurious NAK" messages. |
| 166 | */ |
| 167 | .ident = "HP Pavilion DV4017EA", |
| 168 | .matches = { |
| 169 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 170 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"), |
| 171 | }, |
| 172 | }, |
| 173 | { |
Dmitry Torokhov | 59311de | 2005-05-28 02:12:05 -0500 | [diff] [blame] | 174 | .ident = "Toshiba P10", |
| 175 | .matches = { |
| 176 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 177 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"), |
| 178 | }, |
| 179 | }, |
Dmitry Torokhov | 865190c | 2005-07-11 01:06:06 -0500 | [diff] [blame] | 180 | { |
Dmitry Torokhov | a91eaa1 | 2006-09-14 01:31:06 -0400 | [diff] [blame] | 181 | .ident = "Toshiba Equium A110", |
| 182 | .matches = { |
| 183 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 184 | DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"), |
| 185 | }, |
| 186 | }, |
| 187 | { |
Dmitry Torokhov | 865190c | 2005-07-11 01:06:06 -0500 | [diff] [blame] | 188 | .ident = "Alienware Sentia", |
| 189 | .matches = { |
| 190 | DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), |
| 191 | DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), |
| 192 | }, |
| 193 | }, |
Dmitry Torokhov | 4eb38ac | 2005-12-21 00:51:51 -0500 | [diff] [blame] | 194 | { |
| 195 | .ident = "Sharp Actius MM20", |
| 196 | .matches = { |
| 197 | DMI_MATCH(DMI_SYS_VENDOR, "SHARP"), |
| 198 | DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"), |
| 199 | }, |
| 200 | }, |
Vojtech Pavlik | 3dd01a8 | 2006-01-14 00:24:06 -0500 | [diff] [blame] | 201 | { |
| 202 | .ident = "Sony Vaio FS-115b", |
| 203 | .matches = { |
| 204 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), |
| 205 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"), |
| 206 | }, |
| 207 | }, |
Cjacker Huang | e2df452 | 2006-08-08 23:38:22 -0400 | [diff] [blame] | 208 | { |
| 209 | .ident = "Amoi M636/A737", |
| 210 | .matches = { |
| 211 | DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), |
| 212 | DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"), |
| 213 | }, |
| 214 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | { } |
| 216 | }; |
| 217 | |
| 218 | |
| 219 | |
| 220 | #endif |
| 221 | |
| 222 | |
| 223 | #ifdef CONFIG_PNP |
| 224 | #include <linux/pnp.h> |
| 225 | |
| 226 | static int i8042_pnp_kbd_registered; |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 227 | static unsigned int i8042_pnp_kbd_devices; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | static int i8042_pnp_aux_registered; |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 229 | static unsigned int i8042_pnp_aux_devices; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | |
| 231 | static int i8042_pnp_command_reg; |
| 232 | static int i8042_pnp_data_reg; |
| 233 | static int i8042_pnp_kbd_irq; |
| 234 | static int i8042_pnp_aux_irq; |
| 235 | |
| 236 | static char i8042_pnp_kbd_name[32]; |
| 237 | static char i8042_pnp_aux_name[32]; |
| 238 | |
| 239 | static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did) |
| 240 | { |
| 241 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) |
| 242 | i8042_pnp_data_reg = pnp_port_start(dev,0); |
| 243 | |
| 244 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) |
| 245 | i8042_pnp_command_reg = pnp_port_start(dev, 1); |
| 246 | |
| 247 | if (pnp_irq_valid(dev,0)) |
| 248 | i8042_pnp_kbd_irq = pnp_irq(dev, 0); |
| 249 | |
| 250 | strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name)); |
| 251 | if (strlen(pnp_dev_name(dev))) { |
| 252 | strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name)); |
| 253 | strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name)); |
| 254 | } |
| 255 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 256 | i8042_pnp_kbd_devices++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | return 0; |
| 258 | } |
| 259 | |
| 260 | static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did) |
| 261 | { |
| 262 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) |
| 263 | i8042_pnp_data_reg = pnp_port_start(dev,0); |
| 264 | |
| 265 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) |
| 266 | i8042_pnp_command_reg = pnp_port_start(dev, 1); |
| 267 | |
| 268 | if (pnp_irq_valid(dev, 0)) |
| 269 | i8042_pnp_aux_irq = pnp_irq(dev, 0); |
| 270 | |
| 271 | strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name)); |
| 272 | if (strlen(pnp_dev_name(dev))) { |
| 273 | strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name)); |
| 274 | strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name)); |
| 275 | } |
| 276 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 277 | i8042_pnp_aux_devices++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | return 0; |
| 279 | } |
| 280 | |
| 281 | static struct pnp_device_id pnp_kbd_devids[] = { |
| 282 | { .id = "PNP0303", .driver_data = 0 }, |
| 283 | { .id = "PNP030b", .driver_data = 0 }, |
| 284 | { .id = "", }, |
| 285 | }; |
| 286 | |
| 287 | static struct pnp_driver i8042_pnp_kbd_driver = { |
| 288 | .name = "i8042 kbd", |
| 289 | .id_table = pnp_kbd_devids, |
| 290 | .probe = i8042_pnp_kbd_probe, |
| 291 | }; |
| 292 | |
| 293 | static struct pnp_device_id pnp_aux_devids[] = { |
| 294 | { .id = "PNP0f03", .driver_data = 0 }, |
| 295 | { .id = "PNP0f0b", .driver_data = 0 }, |
| 296 | { .id = "PNP0f0e", .driver_data = 0 }, |
| 297 | { .id = "PNP0f12", .driver_data = 0 }, |
| 298 | { .id = "PNP0f13", .driver_data = 0 }, |
| 299 | { .id = "PNP0f19", .driver_data = 0 }, |
| 300 | { .id = "PNP0f1c", .driver_data = 0 }, |
| 301 | { .id = "SYN0801", .driver_data = 0 }, |
| 302 | { .id = "", }, |
| 303 | }; |
| 304 | |
| 305 | static struct pnp_driver i8042_pnp_aux_driver = { |
| 306 | .name = "i8042 aux", |
| 307 | .id_table = pnp_aux_devids, |
| 308 | .probe = i8042_pnp_aux_probe, |
| 309 | }; |
| 310 | |
| 311 | static void i8042_pnp_exit(void) |
| 312 | { |
Kurt Garloff | 74af42b | 2005-05-28 02:11:38 -0500 | [diff] [blame] | 313 | if (i8042_pnp_kbd_registered) { |
| 314 | i8042_pnp_kbd_registered = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | pnp_unregister_driver(&i8042_pnp_kbd_driver); |
Kurt Garloff | 74af42b | 2005-05-28 02:11:38 -0500 | [diff] [blame] | 316 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | |
Kurt Garloff | 74af42b | 2005-05-28 02:11:38 -0500 | [diff] [blame] | 318 | if (i8042_pnp_aux_registered) { |
| 319 | i8042_pnp_aux_registered = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | pnp_unregister_driver(&i8042_pnp_aux_driver); |
Kurt Garloff | 74af42b | 2005-05-28 02:11:38 -0500 | [diff] [blame] | 321 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | } |
| 323 | |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 324 | static int __init i8042_pnp_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | { |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 326 | char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 }; |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 327 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | |
| 329 | if (i8042_nopnp) { |
Vojtech Pavlik | 39fa580 | 2005-05-28 02:11:16 -0500 | [diff] [blame] | 330 | printk(KERN_INFO "i8042: PNP detection disabled\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | return 0; |
| 332 | } |
| 333 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 334 | err = pnp_register_driver(&i8042_pnp_kbd_driver); |
| 335 | if (!err) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | i8042_pnp_kbd_registered = 1; |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 337 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 338 | err = pnp_register_driver(&i8042_pnp_aux_driver); |
| 339 | if (!err) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | i8042_pnp_aux_registered = 1; |
| 341 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 342 | if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | i8042_pnp_exit(); |
| 344 | #if defined(__ia64__) |
| 345 | return -ENODEV; |
| 346 | #else |
Dmitry Torokhov | 5a72afc | 2005-05-28 02:11:32 -0500 | [diff] [blame] | 347 | printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | return 0; |
| 349 | #endif |
| 350 | } |
| 351 | |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 352 | if (i8042_pnp_kbd_devices) |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 353 | snprintf(kbd_irq_str, sizeof(kbd_irq_str), |
| 354 | "%d", i8042_pnp_kbd_irq); |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 355 | if (i8042_pnp_aux_devices) |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 356 | snprintf(aux_irq_str, sizeof(aux_irq_str), |
| 357 | "%d", i8042_pnp_aux_irq); |
| 358 | |
| 359 | printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n", |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 360 | i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 361 | i8042_pnp_aux_name, |
| 362 | i8042_pnp_data_reg, i8042_pnp_command_reg, |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 363 | kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 364 | aux_irq_str); |
| 365 | |
| 366 | #if defined(__ia64__) |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 367 | if (!i8042_pnp_kbd_devices) |
Dmitry Torokhov | 945ef0d | 2005-09-04 01:42:00 -0500 | [diff] [blame] | 368 | i8042_nokbd = 1; |
Bjorn Helgaas | 2bfc3c6 | 2006-03-14 00:12:24 -0500 | [diff] [blame] | 369 | if (!i8042_pnp_aux_devices) |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 370 | i8042_noaux = 1; |
| 371 | #endif |
| 372 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) && |
| 374 | i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) { |
| 375 | printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n", |
| 376 | i8042_pnp_data_reg, i8042_data_reg); |
| 377 | i8042_pnp_data_reg = i8042_data_reg; |
| 378 | } |
| 379 | |
| 380 | if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) && |
| 381 | i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) { |
| 382 | printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n", |
| 383 | i8042_pnp_command_reg, i8042_command_reg); |
| 384 | i8042_pnp_command_reg = i8042_command_reg; |
| 385 | } |
| 386 | |
Dmitry Torokhov | 945ef0d | 2005-09-04 01:42:00 -0500 | [diff] [blame] | 387 | if (!i8042_nokbd && !i8042_pnp_kbd_irq) { |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 388 | printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | i8042_pnp_kbd_irq = i8042_kbd_irq; |
| 390 | } |
| 391 | |
Dmitry Torokhov | c3d31e7 | 2005-09-04 01:41:51 -0500 | [diff] [blame] | 392 | if (!i8042_noaux && !i8042_pnp_aux_irq) { |
| 393 | printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | i8042_pnp_aux_irq = i8042_aux_irq; |
| 395 | } |
| 396 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | i8042_data_reg = i8042_pnp_data_reg; |
| 398 | i8042_command_reg = i8042_pnp_command_reg; |
| 399 | i8042_kbd_irq = i8042_pnp_kbd_irq; |
| 400 | i8042_aux_irq = i8042_pnp_aux_irq; |
| 401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | return 0; |
| 403 | } |
| 404 | |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 405 | #else |
| 406 | static inline int i8042_pnp_init(void) { return 0; } |
| 407 | static inline void i8042_pnp_exit(void) { } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | #endif |
| 409 | |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 410 | static int __init i8042_platform_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | { |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 412 | int retval; |
| 413 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | /* |
| 415 | * On ix86 platforms touching the i8042 data register region can do really |
| 416 | * bad things. Because of this the region is always reserved on ix86 boxes. |
| 417 | * |
| 418 | * if (!request_region(I8042_DATA_REG, 16, "i8042")) |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 419 | * return -EBUSY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | */ |
| 421 | |
| 422 | i8042_kbd_irq = I8042_MAP_IRQ(1); |
| 423 | i8042_aux_irq = I8042_MAP_IRQ(12); |
| 424 | |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 425 | retval = i8042_pnp_init(); |
| 426 | if (retval) |
| 427 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | |
| 429 | #if defined(__ia64__) |
| 430 | i8042_reset = 1; |
| 431 | #endif |
| 432 | |
| 433 | #if defined(__i386__) |
| 434 | if (dmi_check_system(i8042_dmi_noloop_table)) |
| 435 | i8042_noloop = 1; |
| 436 | |
| 437 | if (dmi_check_system(i8042_dmi_nomux_table)) |
| 438 | i8042_nomux = 1; |
| 439 | #endif |
| 440 | |
Dmitry Torokhov | 8d5987a | 2005-09-04 01:41:38 -0500 | [diff] [blame] | 441 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | static inline void i8042_platform_exit(void) |
| 445 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | i8042_pnp_exit(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | #endif /* _I8042_X86IA64IO_H */ |