| 1 | /*- |
| 2 | * Copyright (c) 2003 Hiroyuki Aizu <aizu@navi.org> |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 24 | * SUCH DAMAGE. |
| 25 | * |
| 26 | * $FreeBSD: src/sys/i386/acpica/acpi_toshiba.c,v 1.7 2004/04/14 03:32:01 njl Exp $ |
| 27 | * $DragonFly: src/sys/platform/pc32/acpica5/Attic/acpi_toshiba.c,v 1.2 2004/06/27 08:52:45 dillon Exp $ |
| 28 | */ |
| 29 | |
| 30 | #include "opt_acpi.h" |
| 31 | #include <sys/param.h> |
| 32 | #include <sys/kernel.h> |
| 33 | #include <sys/bus.h> |
| 34 | |
| 35 | #include "acpi.h" |
| 36 | #include "acpivar.h" |
| 37 | |
| 38 | /* |
| 39 | * Toshiba HCI interface definitions |
| 40 | * |
| 41 | * HCI is Toshiba's "Hardware Control Interface" which is supposed to |
| 42 | * be uniform across all their models. Ideally we would just call |
| 43 | * dedicated ACPI methods instead of using this primitive interface. |
| 44 | * However, the ACPI methods seem to be incomplete in some areas (for |
| 45 | * example they allow setting, but not reading, the LCD brightness |
| 46 | * value), so this is still useful. |
| 47 | */ |
| 48 | |
| 49 | #define METHOD_HCI "GHCI" |
| 50 | #define METHOD_HCI_ENABLE "ENAB" |
| 51 | #define METHOD_VIDEO "DSSX" |
| 52 | |
| 53 | /* Operations */ |
| 54 | #define HCI_SET 0xFF00 |
| 55 | #define HCI_GET 0xFE00 |
| 56 | |
| 57 | /* Return codes */ |
| 58 | #define HCI_SUCCESS 0x0000 |
| 59 | #define HCI_FAILURE 0x1000 |
| 60 | #define HCI_NOT_SUPPORTED 0x8000 |
| 61 | #define HCI_EMPTY 0x8C00 |
| 62 | |
| 63 | /* Functions */ |
| 64 | #define HCI_REG_LCD_BACKLIGHT 0x0002 |
| 65 | #define HCI_REG_FAN 0x0004 |
| 66 | #define HCI_REG_SYSTEM_EVENT 0x0016 |
| 67 | #define HCI_REG_VIDEO_OUTPUT 0x001C |
| 68 | #define HCI_REG_HOTKEY_EVENT 0x001E |
| 69 | #define HCI_REG_LCD_BRIGHTNESS 0x002A |
| 70 | #define HCI_REG_CPU_SPEED 0x0032 |
| 71 | |
| 72 | /* Field definitions */ |
| 73 | #define HCI_FAN_SHIFT 7 |
| 74 | #define HCI_LCD_BRIGHTNESS_BITS 3 |
| 75 | #define HCI_LCD_BRIGHTNESS_SHIFT (16 - HCI_LCD_BRIGHTNESS_BITS) |
| 76 | #define HCI_LCD_BRIGHTNESS_MAX ((1 << HCI_LCD_BRIGHTNESS_BITS) - 1) |
| 77 | #define HCI_VIDEO_OUTPUT_FLAG 0x0100 |
| 78 | #define HCI_VIDEO_OUTPUT_LCD 0x1 |
| 79 | #define HCI_VIDEO_OUTPUT_CRT 0x2 |
| 80 | #define HCI_VIDEO_OUTPUT_TV 0x4 |
| 81 | #define HCI_CPU_SPEED_BITS 3 |
| 82 | #define HCI_CPU_SPEED_SHIFT (16 - HCI_CPU_SPEED_BITS) |
| 83 | #define HCI_CPU_SPEED_MAX ((1 << HCI_CPU_SPEED_BITS) - 1) |
| 84 | |
| 85 | /* Key press/release events. */ |
| 86 | #define FN_F1_PRESS 0x013B |
| 87 | #define FN_F1_RELEASE 0x01BB |
| 88 | #define FN_F2_PRESS 0x013C |
| 89 | #define FN_F2_RELEASE 0x01BC |
| 90 | #define FN_F3_PRESS 0x013D |
| 91 | #define FN_F3_RELEASE 0x01BD |
| 92 | #define FN_F4_PRESS 0x013E |
| 93 | #define FN_F4_RELEASE 0x01BE |
| 94 | #define FN_F5_PRESS 0x013F |
| 95 | #define FN_F5_RELEASE 0x01BF |
| 96 | #define FN_F6_PRESS 0x0140 |
| 97 | #define FN_F6_RELEASE 0x01C0 |
| 98 | #define FN_F7_PRESS 0x0141 |
| 99 | #define FN_F7_RELEASE 0x01C1 |
| 100 | #define FN_F8_PRESS 0x0142 |
| 101 | #define FN_F8_RELEASE 0x01C2 |
| 102 | #define FN_F9_PRESS 0x0143 |
| 103 | #define FN_F9_RELEASE 0x01C3 |
| 104 | #define FN_BS_PRESS 0x010E |
| 105 | #define FN_BS_RELEASE 0x018E |
| 106 | #define FN_ESC_PRESS 0x0101 |
| 107 | #define FN_ESC_RELEASE 0x0181 |
| 108 | #define FN_KNJ_PRESS 0x0129 |
| 109 | #define FN_KNJ_RELEASE 0x01A9 |
| 110 | |
| 111 | /* HCI register definitions. */ |
| 112 | #define HCI_WORDS 6 /* Number of registers */ |
| 113 | #define HCI_REG_AX 0 /* Operation, then return value */ |
| 114 | #define HCI_REG_BX 1 /* Function */ |
| 115 | #define HCI_REG_CX 2 /* Argument (in or out) */ |
| 116 | #define HCI_REG_DX 3 /* Unused? */ |
| 117 | #define HCI_REG_SI 4 /* Unused? */ |
| 118 | #define HCI_REG_DI 5 /* Unused? */ |
| 119 | |
| 120 | struct acpi_toshiba_softc { |
| 121 | device_t dev; |
| 122 | ACPI_HANDLE handle; |
| 123 | ACPI_HANDLE video_handle; |
| 124 | struct sysctl_ctx_list sysctl_ctx; |
| 125 | struct sysctl_oid *sysctl_tree; |
| 126 | }; |
| 127 | |
| 128 | /* Prototype for HCI functions for getting/setting a value. */ |
| 129 | typedef int hci_fn_t(ACPI_HANDLE, int, UINT32 *); |
| 130 | |
| 131 | static int acpi_toshiba_probe(device_t dev); |
| 132 | static int acpi_toshiba_attach(device_t dev); |
| 133 | static int acpi_toshiba_detach(device_t dev); |
| 134 | static int acpi_toshiba_sysctl(SYSCTL_HANDLER_ARGS); |
| 135 | static hci_fn_t hci_force_fan; |
| 136 | static hci_fn_t hci_video_output; |
| 137 | static hci_fn_t hci_lcd_brightness; |
| 138 | static hci_fn_t hci_lcd_backlight; |
| 139 | static hci_fn_t hci_cpu_speed; |
| 140 | static int hci_call(ACPI_HANDLE h, int op, int function, UINT32 *arg); |
| 141 | static void hci_key_action(struct acpi_toshiba_softc *sc, ACPI_HANDLE h, |
| 142 | UINT32 key); |
| 143 | static void acpi_toshiba_notify(ACPI_HANDLE h, UINT32 notify, |
| 144 | void *context); |
| 145 | static int acpi_toshiba_video_probe(device_t dev); |
| 146 | static int acpi_toshiba_video_attach(device_t dev); |
| 147 | |
| 148 | /* Table of sysctl names and HCI functions to call. */ |
| 149 | static struct { |
| 150 | char *name; |
| 151 | hci_fn_t *handler; |
| 152 | } sysctl_table[] = { |
| 153 | /* name, handler */ |
| 154 | {"force_fan", hci_force_fan}, |
| 155 | {"video_output", hci_video_output}, |
| 156 | {"lcd_brightness", hci_lcd_brightness}, |
| 157 | {"lcd_backlight", hci_lcd_backlight}, |
| 158 | {"cpu_speed", hci_cpu_speed}, |
| 159 | {NULL, NULL} |
| 160 | }; |
| 161 | |
| 162 | static device_method_t acpi_toshiba_methods[] = { |
| 163 | DEVMETHOD(device_probe, acpi_toshiba_probe), |
| 164 | DEVMETHOD(device_attach, acpi_toshiba_attach), |
| 165 | DEVMETHOD(device_detach, acpi_toshiba_detach), |
| 166 | |
| 167 | {0, 0} |
| 168 | }; |
| 169 | |
| 170 | static driver_t acpi_toshiba_driver = { |
| 171 | "acpi_toshiba", |
| 172 | acpi_toshiba_methods, |
| 173 | sizeof(struct acpi_toshiba_softc), |
| 174 | }; |
| 175 | |
| 176 | static devclass_t acpi_toshiba_devclass; |
| 177 | DRIVER_MODULE(acpi_toshiba, acpi, acpi_toshiba_driver, acpi_toshiba_devclass, |
| 178 | 0, 0); |
| 179 | MODULE_DEPEND(acpi_toshiba, acpi, 1, 1, 1); |
| 180 | |
| 181 | static device_method_t acpi_toshiba_video_methods[] = { |
| 182 | DEVMETHOD(device_probe, acpi_toshiba_video_probe), |
| 183 | DEVMETHOD(device_attach, acpi_toshiba_video_attach), |
| 184 | |
| 185 | {0, 0} |
| 186 | }; |
| 187 | |
| 188 | static driver_t acpi_toshiba_video_driver = { |
| 189 | "acpi_toshiba_video", |
| 190 | acpi_toshiba_video_methods, |
| 191 | 0, |
| 192 | }; |
| 193 | |
| 194 | static devclass_t acpi_toshiba_video_devclass; |
| 195 | DRIVER_MODULE(acpi_toshiba_video, acpi, acpi_toshiba_video_driver, |
| 196 | acpi_toshiba_video_devclass, 0, 0); |
| 197 | MODULE_DEPEND(acpi_toshiba_video, acpi, 1, 1, 1); |
| 198 | |
| 199 | static int enable_fn_keys = 1; |
| 200 | TUNABLE_INT("hw.acpi.toshiba.enable_fn_keys", &enable_fn_keys); |
| 201 | |
| 202 | /* |
| 203 | * HID Model |
| 204 | * ------------------------------------- |
| 205 | * TOS6200 Libretto L Series |
| 206 | * Dynabook Satellite 2455 |
| 207 | * Dynabook SS 3500 |
| 208 | * TOS6207 Dynabook SS2110 Series |
| 209 | */ |
| 210 | static int |
| 211 | acpi_toshiba_probe(device_t dev) |
| 212 | { |
| 213 | int ret = ENXIO; |
| 214 | |
| 215 | if (!acpi_disabled("toshiba") && |
| 216 | acpi_get_type(dev) == ACPI_TYPE_DEVICE && |
| 217 | device_get_unit(dev) == 0 && |
| 218 | (acpi_MatchHid(dev, "TOS6200") || |
| 219 | acpi_MatchHid(dev, "TOS6207"))) { |
| 220 | device_set_desc(dev, "Toshiba HCI Extras"); |
| 221 | ret = 0; |
| 222 | } |
| 223 | |
| 224 | return (ret); |
| 225 | } |
| 226 | |
| 227 | static int |
| 228 | acpi_toshiba_attach(device_t dev) |
| 229 | { |
| 230 | struct acpi_toshiba_softc *sc; |
| 231 | struct acpi_softc *acpi_sc; |
| 232 | ACPI_STATUS status; |
| 233 | int i; |
| 234 | |
| 235 | sc = device_get_softc(dev); |
| 236 | sc->dev = dev; |
| 237 | sc->handle = acpi_get_handle(dev); |
| 238 | |
| 239 | acpi_sc = acpi_device_get_parent_softc(dev); |
| 240 | sysctl_ctx_init(&sc->sysctl_ctx); |
| 241 | sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, |
| 242 | SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, |
| 243 | "toshiba", CTLFLAG_RD, 0, ""); |
| 244 | |
| 245 | for (i = 0; sysctl_table[i].name != NULL; i++) { |
| 246 | SYSCTL_ADD_PROC(&sc->sysctl_ctx, |
| 247 | SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, |
| 248 | sysctl_table[i].name, |
| 249 | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY, |
| 250 | sc, i, acpi_toshiba_sysctl, "I", ""); |
| 251 | } |
| 252 | |
| 253 | if (enable_fn_keys != 0) { |
| 254 | status = AcpiEvaluateObject(sc->handle, METHOD_HCI_ENABLE, |
| 255 | NULL, NULL); |
| 256 | if (ACPI_FAILURE(status)) { |
| 257 | device_printf(dev, "enable FN keys failed\n"); |
| 258 | sysctl_ctx_free(&sc->sysctl_ctx); |
| 259 | return (ENXIO); |
| 260 | } |
| 261 | AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, |
| 262 | acpi_toshiba_notify, sc); |
| 263 | } |
| 264 | |
| 265 | return (0); |
| 266 | } |
| 267 | |
| 268 | static int |
| 269 | acpi_toshiba_detach(device_t dev) |
| 270 | { |
| 271 | struct acpi_toshiba_softc *sc; |
| 272 | |
| 273 | sc = device_get_softc(dev); |
| 274 | if (enable_fn_keys != 0) { |
| 275 | AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, |
| 276 | acpi_toshiba_notify); |
| 277 | } |
| 278 | sysctl_ctx_free(&sc->sysctl_ctx); |
| 279 | |
| 280 | return (0); |
| 281 | } |
| 282 | |
| 283 | static int |
| 284 | acpi_toshiba_sysctl(SYSCTL_HANDLER_ARGS) |
| 285 | { |
| 286 | struct acpi_toshiba_softc *sc; |
| 287 | UINT32 arg; |
| 288 | int function, error = 0; |
| 289 | hci_fn_t *handler; |
| 290 | |
| 291 | sc = (struct acpi_toshiba_softc *)oidp->oid_arg1; |
| 292 | function = oidp->oid_arg2; |
| 293 | handler = sysctl_table[function].handler; |
| 294 | |
| 295 | /* Get the current value from the appropriate function. */ |
| 296 | error = handler(sc->handle, HCI_GET, &arg); |
| 297 | if (error != 0) |
| 298 | return (error); |
| 299 | |
| 300 | /* Send the current value to the user and return if no new value. */ |
| 301 | error = sysctl_handle_int(oidp, &arg, 0, req); |
| 302 | if (error != 0 || req->newptr == NULL) |
| 303 | return (error); |
| 304 | |
| 305 | /* Set the new value via the appropriate function. */ |
| 306 | error = handler(sc->handle, HCI_SET, &arg); |
| 307 | |
| 308 | return (error); |
| 309 | } |
| 310 | |
| 311 | static int |
| 312 | hci_force_fan(ACPI_HANDLE h, int op, UINT32 *state) |
| 313 | { |
| 314 | int ret; |
| 315 | |
| 316 | if (op == HCI_SET) { |
| 317 | if (*state < 0 || *state > 1) |
| 318 | return (EINVAL); |
| 319 | *state <<= HCI_FAN_SHIFT; |
| 320 | } |
| 321 | ret = hci_call(h, op, HCI_REG_FAN, state); |
| 322 | if (ret == 0 && op == HCI_GET) |
| 323 | *state >>= HCI_FAN_SHIFT; |
| 324 | return (ret); |
| 325 | } |
| 326 | |
| 327 | static int |
| 328 | hci_video_output(ACPI_HANDLE h, int op, UINT32 *video_output) |
| 329 | { |
| 330 | int ret; |
| 331 | ACPI_STATUS status; |
| 332 | |
| 333 | if (op == HCI_SET) { |
| 334 | if (*video_output < 1 || *video_output > 7) |
| 335 | return (EINVAL); |
| 336 | if (h == NULL) |
| 337 | return (ENXIO); |
| 338 | *video_output |= HCI_VIDEO_OUTPUT_FLAG; |
| 339 | status = acpi_SetInteger(h, METHOD_VIDEO, *video_output); |
| 340 | if (ACPI_SUCCESS(status)) |
| 341 | ret = 0; |
| 342 | else |
| 343 | ret = ENXIO; |
| 344 | } else { |
| 345 | ret = hci_call(h, op, HCI_REG_VIDEO_OUTPUT, video_output); |
| 346 | if (ret == 0) |
| 347 | *video_output &= 0xff; |
| 348 | } |
| 349 | |
| 350 | return (ret); |
| 351 | } |
| 352 | |
| 353 | static int |
| 354 | hci_lcd_brightness(ACPI_HANDLE h, int op, UINT32 *brightness) |
| 355 | { |
| 356 | int ret; |
| 357 | |
| 358 | if (op == HCI_SET) { |
| 359 | if (*brightness < 0 || *brightness > HCI_LCD_BRIGHTNESS_MAX) |
| 360 | return (EINVAL); |
| 361 | *brightness <<= HCI_LCD_BRIGHTNESS_SHIFT; |
| 362 | } |
| 363 | ret = hci_call(h, op, HCI_REG_LCD_BRIGHTNESS, brightness); |
| 364 | if (ret == 0 && op == HCI_GET) |
| 365 | *brightness >>= HCI_LCD_BRIGHTNESS_SHIFT; |
| 366 | return (ret); |
| 367 | } |
| 368 | |
| 369 | static int |
| 370 | hci_lcd_backlight(ACPI_HANDLE h, int op, UINT32 *backlight) |
| 371 | { |
| 372 | if (op == HCI_SET) { |
| 373 | if (*backlight < 0 || *backlight > 1) |
| 374 | return (EINVAL); |
| 375 | } |
| 376 | return (hci_call(h, op, HCI_REG_LCD_BACKLIGHT, backlight)); |
| 377 | } |
| 378 | |
| 379 | static int |
| 380 | hci_cpu_speed(ACPI_HANDLE h, int op, UINT32 *speed) |
| 381 | { |
| 382 | int ret; |
| 383 | |
| 384 | if (op == HCI_SET) { |
| 385 | if (*speed < 0 || *speed > HCI_CPU_SPEED_MAX) |
| 386 | return (EINVAL); |
| 387 | *speed <<= HCI_CPU_SPEED_SHIFT; |
| 388 | } |
| 389 | ret = hci_call(h, op, HCI_REG_CPU_SPEED, speed); |
| 390 | if (ret == 0 && op == HCI_GET) |
| 391 | *speed >>= HCI_CPU_SPEED_SHIFT; |
| 392 | return (ret); |
| 393 | } |
| 394 | |
| 395 | static int |
| 396 | hci_call(ACPI_HANDLE h, int op, int function, UINT32 *arg) |
| 397 | { |
| 398 | ACPI_OBJECT_LIST args; |
| 399 | ACPI_BUFFER results; |
| 400 | ACPI_OBJECT obj[HCI_WORDS]; |
| 401 | ACPI_OBJECT *res; |
| 402 | int status, i, ret; |
| 403 | |
| 404 | status = ENXIO; |
| 405 | |
| 406 | for (i = 0; i < HCI_WORDS; i++) { |
| 407 | obj[i].Type = ACPI_TYPE_INTEGER; |
| 408 | obj[i].Integer.Value = 0; |
| 409 | } |
| 410 | obj[HCI_REG_AX].Integer.Value = op; |
| 411 | obj[HCI_REG_BX].Integer.Value = function; |
| 412 | if (op == HCI_SET) |
| 413 | obj[HCI_REG_CX].Integer.Value = *arg; |
| 414 | |
| 415 | args.Count = HCI_WORDS; |
| 416 | args.Pointer = obj; |
| 417 | results.Pointer = NULL; |
| 418 | results.Length = ACPI_ALLOCATE_BUFFER; |
| 419 | if (ACPI_FAILURE(AcpiEvaluateObject(h, METHOD_HCI, &args, &results))) |
| 420 | goto end; |
| 421 | res = (ACPI_OBJECT *)results.Pointer; |
| 422 | if (!ACPI_PKG_VALID(res, HCI_WORDS)) { |
| 423 | printf("toshiba: invalid package!\n"); |
| 424 | return (ENXIO); |
| 425 | } |
| 426 | |
| 427 | acpi_PkgInt32(res, HCI_REG_AX, &ret); |
| 428 | if (ret == HCI_SUCCESS) { |
| 429 | if (op == HCI_GET) |
| 430 | acpi_PkgInt32(res, HCI_REG_CX, arg); |
| 431 | status = 0; |
| 432 | } else if (function == HCI_REG_SYSTEM_EVENT && op == HCI_GET && |
| 433 | ret == HCI_NOT_SUPPORTED) { |
| 434 | /* |
| 435 | * Sometimes system events are disabled without us requesting |
| 436 | * it. This workaround attempts to re-enable them. |
| 437 | */ |
| 438 | i = 1; |
| 439 | hci_call(h, HCI_SET, HCI_REG_SYSTEM_EVENT, &i); |
| 440 | } |
| 441 | |
| 442 | end: |
| 443 | if (results.Pointer != NULL) |
| 444 | AcpiOsFree(results.Pointer); |
| 445 | |
| 446 | return (status); |
| 447 | } |
| 448 | |
| 449 | /* |
| 450 | * Perform a few actions based on the keypress. Users can extend this |
| 451 | * functionality by reading the keystrokes we send to devd(8). |
| 452 | */ |
| 453 | static void |
| 454 | hci_key_action(struct acpi_toshiba_softc *sc, ACPI_HANDLE h, UINT32 key) |
| 455 | { |
| 456 | UINT32 arg; |
| 457 | |
| 458 | switch (key) { |
| 459 | case FN_F6_RELEASE: |
| 460 | /* Decrease LCD brightness. */ |
| 461 | hci_lcd_brightness(h, HCI_GET, &arg); |
| 462 | if (arg-- == 0) |
| 463 | arg = 0; |
| 464 | else |
| 465 | hci_lcd_brightness(h, HCI_SET, &arg); |
| 466 | break; |
| 467 | case FN_F7_RELEASE: |
| 468 | /* Increase LCD brightness. */ |
| 469 | hci_lcd_brightness(h, HCI_GET, &arg); |
| 470 | if (arg++ == 7) |
| 471 | arg = 7; |
| 472 | else |
| 473 | hci_lcd_brightness(h, HCI_SET, &arg); |
| 474 | break; |
| 475 | case FN_F5_RELEASE: |
| 476 | /* Cycle through video outputs. */ |
| 477 | hci_video_output(h, HCI_GET, &arg); |
| 478 | arg = (arg + 1) % 7; |
| 479 | hci_video_output(sc->video_handle, HCI_SET, &arg); |
| 480 | break; |
| 481 | case FN_F8_RELEASE: |
| 482 | /* Toggle LCD backlight. */ |
| 483 | hci_lcd_backlight(h, HCI_GET, &arg); |
| 484 | arg = (arg != 0) ? 0 : 1; |
| 485 | hci_lcd_backlight(h, HCI_SET, &arg); |
| 486 | break; |
| 487 | case FN_ESC_RELEASE: |
| 488 | /* Toggle forcing fan on. */ |
| 489 | hci_force_fan(h, HCI_GET, &arg); |
| 490 | arg = (arg != 0) ? 0 : 1; |
| 491 | hci_force_fan(h, HCI_SET, &arg); |
| 492 | break; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | static void |
| 497 | acpi_toshiba_notify(ACPI_HANDLE h, UINT32 notify, void *context) |
| 498 | { |
| 499 | struct acpi_toshiba_softc *sc; |
| 500 | UINT32 key; |
| 501 | |
| 502 | sc = (struct acpi_toshiba_softc *)context; |
| 503 | |
| 504 | if (notify == 0x80) { |
| 505 | while (hci_call(h, HCI_GET, HCI_REG_SYSTEM_EVENT, &key) == 0) { |
| 506 | hci_key_action(sc, h, key); |
| 507 | acpi_UserNotify("TOSHIBA", h, (uint8_t)key); |
| 508 | } |
| 509 | } else |
| 510 | device_printf(sc->dev, "unknown notify: 0x%x\n", notify); |
| 511 | } |
| 512 | |
| 513 | /* |
| 514 | * Toshiba video pseudo-device to provide the DSSX method. |
| 515 | * |
| 516 | * HID Model |
| 517 | * ------------------------------------- |
| 518 | * TOS6201 Libretto L Series |
| 519 | */ |
| 520 | static int |
| 521 | acpi_toshiba_video_probe(device_t dev) |
| 522 | { |
| 523 | int ret = ENXIO; |
| 524 | |
| 525 | if (!acpi_disabled("toshiba") && |
| 526 | acpi_get_type(dev) == ACPI_TYPE_DEVICE && |
| 527 | device_get_unit(dev) == 0 && |
| 528 | acpi_MatchHid(dev, "TOS6201")) { |
| 529 | device_quiet(dev); |
| 530 | device_set_desc(dev, "Toshiba Video"); |
| 531 | ret = 0; |
| 532 | } |
| 533 | |
| 534 | return (ret); |
| 535 | } |
| 536 | |
| 537 | static int |
| 538 | acpi_toshiba_video_attach(device_t dev) |
| 539 | { |
| 540 | struct acpi_toshiba_softc *sc; |
| 541 | |
| 542 | sc = devclass_get_softc(acpi_toshiba_devclass, 0); |
| 543 | if (sc == NULL) |
| 544 | return (ENXIO); |
| 545 | sc->video_handle = acpi_get_handle(dev); |
| 546 | return (0); |
| 547 | } |