| File: | dev/isa/aps.c |
| Warning: | line 308, column 2 Value stored to 'ioh' is never read |
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| 1 | /* $OpenBSD: aps.c,v 1.27 2022/01/09 05:42:42 jsg Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org> |
| 4 | * Copyright (c) 2008 Can Erkin Acar <canacar@openbsd.org> |
| 5 | * |
| 6 | * Permission to use, copy, modify, and distribute this software for any |
| 7 | * purpose with or without fee is hereby granted, provided that the above |
| 8 | * copyright notice and this permission notice appear in all copies. |
| 9 | * |
| 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | /* |
| 20 | * A driver for the ThinkPad Active Protection System based on notes from |
| 21 | * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html |
| 22 | */ |
| 23 | |
| 24 | #include <sys/param.h> |
| 25 | #include <sys/systm.h> |
| 26 | #include <sys/device.h> |
| 27 | #include <sys/kernel.h> |
| 28 | #include <sys/sensors.h> |
| 29 | #include <sys/timeout.h> |
| 30 | #include <machine/bus.h> |
| 31 | #include <sys/event.h> |
| 32 | |
| 33 | #include <dev/isa/isavar.h> |
| 34 | |
| 35 | #ifdef __i386__ |
| 36 | #include "apm.h" |
| 37 | #include <machine/acpiapm.h> |
| 38 | #include <machine/biosvar.h> |
| 39 | #include <machine/apmvar.h> |
| 40 | #endif |
| 41 | |
| 42 | #if defined(APSDEBUG) |
| 43 | #define DPRINTF(x) do { printf x; } while (0) |
| 44 | #else |
| 45 | #define DPRINTF(x) |
| 46 | #endif |
| 47 | |
| 48 | |
| 49 | /* |
| 50 | * EC interface on Thinkpad Laptops, from Linux HDAPS driver notes. |
| 51 | * From Renesas H8S/2140B Group Hardware Manual |
| 52 | * http://documentation.renesas.com/eng/products/mpumcu/rej09b0300_2140bhm.pdf |
| 53 | * |
| 54 | * EC uses LPC Channel 3 registers TWR0..15 |
| 55 | */ |
| 56 | |
| 57 | /* STR3 status register */ |
| 58 | #define APS_STR30x04 0x04 |
| 59 | |
| 60 | #define APS_STR3_IBF3B0x80 0x80 /* Input buffer full (host->slave) */ |
| 61 | #define APS_STR3_OBF3B0x40 0x40 /* Output buffer full (slave->host)*/ |
| 62 | #define APS_STR3_MWMF0x20 0x20 /* Master write mode */ |
| 63 | #define APS_STR3_SWMF0x10 0x10 /* Slave write mode */ |
| 64 | |
| 65 | |
| 66 | /* Base address of TWR registers */ |
| 67 | #define APS_TWR_BASE0x10 0x10 |
| 68 | #define APS_TWR_RET0x1f 0x1f |
| 69 | |
| 70 | /* TWR registers */ |
| 71 | #define APS_CMD0x00 0x00 |
| 72 | #define APS_ARG10x01 0x01 |
| 73 | #define APS_ARG20x02 0x02 |
| 74 | #define APS_ARG30x03 0x03 |
| 75 | #define APS_RET0x0f 0x0f |
| 76 | |
| 77 | /* Sensor values */ |
| 78 | #define APS_STATE0x01 0x01 |
| 79 | #define APS_XACCEL0x02 0x02 |
| 80 | #define APS_YACCEL0x04 0x04 |
| 81 | #define APS_TEMP0x06 0x06 |
| 82 | #define APS_XVAR0x07 0x07 |
| 83 | #define APS_YVAR0x09 0x09 |
| 84 | #define APS_TEMP20x0b 0x0b |
| 85 | #define APS_UNKNOWN0x0c 0x0c |
| 86 | #define APS_INPUT0x0d 0x0d |
| 87 | |
| 88 | /* write masks for I/O, send command + 0-3 arguments*/ |
| 89 | #define APS_WRITE_00x0001 0x0001 |
| 90 | #define APS_WRITE_10x0003 0x0003 |
| 91 | #define APS_WRITE_20x0007 0x0007 |
| 92 | #define APS_WRITE_30x000f 0x000f |
| 93 | |
| 94 | /* read masks for I/O, read 0-3 values (skip command byte) */ |
| 95 | #define APS_READ_00x0000 0x0000 |
| 96 | #define APS_READ_10x0002 0x0002 |
| 97 | #define APS_READ_20x0006 0x0006 |
| 98 | #define APS_READ_30x000e 0x000e |
| 99 | |
| 100 | #define APS_READ_RET0x8000 0x8000 |
| 101 | #define APS_READ_ALL0xffff 0xffff |
| 102 | |
| 103 | /* Bit definitions for APS_INPUT value */ |
| 104 | #define APS_INPUT_KB(1 << 5) (1 << 5) |
| 105 | #define APS_INPUT_MS(1 << 6) (1 << 6) |
| 106 | #define APS_INPUT_LIDOPEN(1 << 7) (1 << 7) |
| 107 | |
| 108 | #define APS_ADDR_SIZE0x1f 0x1f |
| 109 | |
| 110 | struct sensor_rec { |
| 111 | u_int8_t state; |
| 112 | u_int16_t x_accel; |
| 113 | u_int16_t y_accel; |
| 114 | u_int8_t temp1; |
| 115 | u_int16_t x_var; |
| 116 | u_int16_t y_var; |
| 117 | u_int8_t temp2; |
| 118 | u_int8_t unk; |
| 119 | u_int8_t input; |
| 120 | }; |
| 121 | |
| 122 | #define APS_NUM_SENSORS9 9 |
| 123 | |
| 124 | #define APS_SENSOR_XACCEL0 0 |
| 125 | #define APS_SENSOR_YACCEL1 1 |
| 126 | #define APS_SENSOR_XVAR2 2 |
| 127 | #define APS_SENSOR_YVAR3 3 |
| 128 | #define APS_SENSOR_TEMP14 4 |
| 129 | #define APS_SENSOR_TEMP25 5 |
| 130 | #define APS_SENSOR_KBACT6 6 |
| 131 | #define APS_SENSOR_MSACT7 7 |
| 132 | #define APS_SENSOR_LIDOPEN8 8 |
| 133 | |
| 134 | struct aps_softc { |
| 135 | struct device sc_dev; |
| 136 | |
| 137 | bus_space_tag_t aps_iot; |
| 138 | bus_space_handle_t aps_ioh; |
| 139 | |
| 140 | struct ksensor sensors[APS_NUM_SENSORS9]; |
| 141 | struct ksensordev sensordev; |
| 142 | void (*refresh_sensor_data)(struct aps_softc *); |
| 143 | |
| 144 | struct sensor_rec aps_data; |
| 145 | }; |
| 146 | |
| 147 | int aps_match(struct device *, void *, void *); |
| 148 | void aps_attach(struct device *, struct device *, void *); |
| 149 | int aps_activate(struct device *, int); |
| 150 | |
| 151 | int aps_init(bus_space_tag_t, bus_space_handle_t); |
| 152 | int aps_read_data(struct aps_softc *); |
| 153 | void aps_refresh_sensor_data(struct aps_softc *); |
| 154 | void aps_refresh(void *); |
| 155 | int aps_do_io(bus_space_tag_t, bus_space_handle_t, |
| 156 | unsigned char *, int, int); |
| 157 | |
| 158 | struct cfattach aps_ca = { |
| 159 | sizeof(struct aps_softc), |
| 160 | aps_match, aps_attach, NULL((void *)0), aps_activate |
| 161 | }; |
| 162 | |
| 163 | struct cfdriver aps_cd = { |
| 164 | NULL((void *)0), "aps", DV_DULL |
| 165 | }; |
| 166 | |
| 167 | struct timeout aps_timeout; |
| 168 | |
| 169 | |
| 170 | |
| 171 | /* properly communicate with the controller, writing a set of memory |
| 172 | * locations and reading back another set */ |
| 173 | int |
| 174 | aps_do_io(bus_space_tag_t iot, bus_space_handle_t ioh, |
| 175 | unsigned char *buf, int wmask, int rmask) |
| 176 | { |
| 177 | int bp, stat, n; |
| 178 | |
| 179 | DPRINTF(("aps_do_io: CMD: 0x%02x, wmask: 0x%04x, rmask: 0x%04x\n", |
| 180 | buf[0], wmask, rmask)); |
| 181 | |
| 182 | /* write init byte using arbitration */ |
| 183 | for (n = 0; n < 100; n++) { |
| 184 | stat = bus_space_read_1(iot, ioh, APS_STR3)((iot)->read_1((ioh), (0x04))); |
| 185 | if (stat & (APS_STR3_OBF3B0x40 | APS_STR3_SWMF0x10)) { |
| 186 | bus_space_read_1(iot, ioh, APS_TWR_RET)((iot)->read_1((ioh), (0x1f))); |
| 187 | continue; |
| 188 | } |
| 189 | bus_space_write_1(iot, ioh, APS_TWR_BASE, buf[0])((iot)->write_1((ioh), (0x10), (buf[0]))); |
| 190 | stat = bus_space_read_1(iot, ioh, APS_STR3)((iot)->read_1((ioh), (0x04))); |
| 191 | if (stat & (APS_STR3_MWMF0x20)) |
| 192 | break; |
| 193 | delay(1)(*delay_func)(1); |
| 194 | } |
| 195 | |
| 196 | if (n == 100) { |
| 197 | DPRINTF(("aps_do_io: Failed to get bus\n")); |
| 198 | return (1); |
| 199 | } |
| 200 | |
| 201 | /* write data bytes, init already sent */ |
| 202 | /* make sure last bye is always written as this will trigger slave */ |
| 203 | wmask |= APS_READ_RET0x8000; |
| 204 | buf[APS_RET0x0f] = 0x01; |
| 205 | |
| 206 | for (n = 1, bp = 2; n < 16; bp <<= 1, n++) { |
| 207 | if (wmask & bp) { |
| 208 | bus_space_write_1(iot, ioh, APS_TWR_BASE + n, buf[n])((iot)->write_1((ioh), (0x10 + n), (buf[n]))); |
| 209 | DPRINTF(("aps_do_io: write %2d 0x%02x\n", n, buf[n])); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | for (n = 0; n < 100; n++) { |
| 214 | stat = bus_space_read_1(iot, ioh, APS_STR3)((iot)->read_1((ioh), (0x04))); |
| 215 | if (stat & (APS_STR3_OBF3B0x40)) |
| 216 | break; |
| 217 | delay(5 * 100)(*delay_func)(5 * 100); |
| 218 | } |
| 219 | |
| 220 | if (n == 100) { |
| 221 | DPRINTF(("aps_do_io: timeout waiting response\n")); |
| 222 | return (1); |
| 223 | } |
| 224 | /* wait for data available */ |
| 225 | /* make sure to read the final byte to clear status */ |
| 226 | rmask |= APS_READ_RET0x8000; |
| 227 | |
| 228 | /* read cmd and data bytes */ |
| 229 | for (n = 0, bp = 1; n < 16; bp <<= 1, n++) { |
| 230 | if (rmask & bp) { |
| 231 | buf[n] = bus_space_read_1(iot, ioh, APS_TWR_BASE + n)((iot)->read_1((ioh), (0x10 + n))); |
| 232 | DPRINTF(("aps_do_io: read %2d 0x%02x\n", n, buf[n])); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | return (0); |
| 237 | } |
| 238 | |
| 239 | int |
| 240 | aps_match(struct device *parent, void *match, void *aux) |
| 241 | { |
| 242 | struct isa_attach_args *ia = aux; |
| 243 | bus_space_tag_t iot = ia->ia_iot; |
| 244 | bus_space_handle_t ioh; |
| 245 | int iobase = ia->ipa_io[0].base; |
| 246 | u_int8_t cr; |
| 247 | unsigned char iobuf[16]; |
| 248 | |
| 249 | if (bus_space_map(iot, iobase, APS_ADDR_SIZE0x1f, 0, &ioh)) { |
| 250 | DPRINTF(("aps: can't map i/o space\n")); |
| 251 | return (0); |
| 252 | } |
| 253 | /* get APS mode */ |
| 254 | iobuf[APS_CMD0x00] = 0x13; |
| 255 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_00x0001, APS_READ_10x0002)) { |
| 256 | bus_space_unmap(iot, ioh, APS_ADDR_SIZE0x1f); |
| 257 | return (0); |
| 258 | } |
| 259 | |
| 260 | /* |
| 261 | * Observed values from Linux driver: |
| 262 | * 0x01: T42 |
| 263 | * 0x02: chip already initialised |
| 264 | * 0x03: T41 |
| 265 | * 0x05: T61 |
| 266 | */ |
| 267 | |
| 268 | cr = iobuf[APS_ARG10x01]; |
| 269 | DPRINTF(("aps: state register 0x%x\n", cr)); |
| 270 | |
| 271 | if (aps_init(iot, ioh)) { |
| 272 | bus_space_unmap(iot, ioh, APS_ADDR_SIZE0x1f); |
| 273 | return (0); |
| 274 | } |
| 275 | |
| 276 | bus_space_unmap(iot, ioh, APS_ADDR_SIZE0x1f); |
| 277 | |
| 278 | if (iobuf[APS_RET0x0f] != 0 || cr < 1 || cr > 5) { |
| 279 | DPRINTF(("aps0: unsupported state %d\n", cr)); |
| 280 | return (0); |
| 281 | } |
| 282 | |
| 283 | ia->ipa_nio = 1; |
| 284 | ia->ipa_io[0].length = APS_ADDR_SIZE0x1f; |
| 285 | ia->ipa_nmem = 0; |
| 286 | ia->ipa_nirq = 0; |
| 287 | ia->ipa_ndrq = 0; |
| 288 | return (1); |
| 289 | } |
| 290 | |
| 291 | void |
| 292 | aps_attach(struct device *parent, struct device *self, void *aux) |
| 293 | { |
| 294 | struct aps_softc *sc = (void *)self; |
| 295 | int iobase, i; |
| 296 | bus_space_tag_t iot; |
| 297 | bus_space_handle_t ioh; |
| 298 | struct isa_attach_args *ia = aux; |
| 299 | |
| 300 | iobase = ia->ipa_io[0].base; |
| 301 | iot = sc->aps_iot = ia->ia_iot; |
| 302 | |
| 303 | if (bus_space_map(iot, iobase, APS_ADDR_SIZE0x1f, 0, &sc->aps_ioh)) { |
| 304 | printf(": can't map i/o space\n"); |
| 305 | return; |
| 306 | } |
| 307 | |
| 308 | ioh = sc->aps_ioh; |
Value stored to 'ioh' is never read | |
| 309 | |
| 310 | printf("\n"); |
| 311 | |
| 312 | sc->sensors[APS_SENSOR_XACCEL0].type = SENSOR_INTEGER; |
| 313 | snprintf(sc->sensors[APS_SENSOR_XACCEL0].desc, |
| 314 | sizeof(sc->sensors[APS_SENSOR_XACCEL0].desc), "X_ACCEL"); |
| 315 | |
| 316 | sc->sensors[APS_SENSOR_YACCEL1].type = SENSOR_INTEGER; |
| 317 | snprintf(sc->sensors[APS_SENSOR_YACCEL1].desc, |
| 318 | sizeof(sc->sensors[APS_SENSOR_YACCEL1].desc), "Y_ACCEL"); |
| 319 | |
| 320 | sc->sensors[APS_SENSOR_TEMP14].type = SENSOR_TEMP; |
| 321 | sc->sensors[APS_SENSOR_TEMP25].type = SENSOR_TEMP; |
| 322 | |
| 323 | sc->sensors[APS_SENSOR_XVAR2].type = SENSOR_INTEGER; |
| 324 | snprintf(sc->sensors[APS_SENSOR_XVAR2].desc, |
| 325 | sizeof(sc->sensors[APS_SENSOR_XVAR2].desc), "X_VAR"); |
| 326 | |
| 327 | sc->sensors[APS_SENSOR_YVAR3].type = SENSOR_INTEGER; |
| 328 | snprintf(sc->sensors[APS_SENSOR_YVAR3].desc, |
| 329 | sizeof(sc->sensors[APS_SENSOR_YVAR3].desc), "Y_VAR"); |
| 330 | |
| 331 | sc->sensors[APS_SENSOR_KBACT6].type = SENSOR_INDICATOR; |
| 332 | snprintf(sc->sensors[APS_SENSOR_KBACT6].desc, |
| 333 | sizeof(sc->sensors[APS_SENSOR_KBACT6].desc), "Keyboard Active"); |
| 334 | |
| 335 | sc->sensors[APS_SENSOR_MSACT7].type = SENSOR_INDICATOR; |
| 336 | snprintf(sc->sensors[APS_SENSOR_MSACT7].desc, |
| 337 | sizeof(sc->sensors[APS_SENSOR_MSACT7].desc), "Mouse Active"); |
| 338 | |
| 339 | sc->sensors[APS_SENSOR_LIDOPEN8].type = SENSOR_INDICATOR; |
| 340 | snprintf(sc->sensors[APS_SENSOR_LIDOPEN8].desc, |
| 341 | sizeof(sc->sensors[APS_SENSOR_LIDOPEN8].desc), "Lid Open"); |
| 342 | |
| 343 | /* stop hiding and report to the authorities */ |
| 344 | strlcpy(sc->sensordev.xname, sc->sc_dev.dv_xname, |
| 345 | sizeof(sc->sensordev.xname)); |
| 346 | for (i = 0; i < APS_NUM_SENSORS9 ; i++) { |
| 347 | sensor_attach(&sc->sensordev, &sc->sensors[i]); |
| 348 | } |
| 349 | sensordev_install(&sc->sensordev); |
| 350 | |
| 351 | /* Refresh sensor data every 0.5 seconds */ |
| 352 | timeout_set(&aps_timeout, aps_refresh, sc); |
| 353 | timeout_add_msec(&aps_timeout, 500); |
| 354 | } |
| 355 | |
| 356 | int |
| 357 | aps_init(bus_space_tag_t iot, bus_space_handle_t ioh) |
| 358 | { |
| 359 | unsigned char iobuf[16]; |
| 360 | |
| 361 | |
| 362 | /* command 0x17/0x81: check EC */ |
| 363 | iobuf[APS_CMD0x00] = 0x17; |
| 364 | iobuf[APS_ARG10x01] = 0x81; |
| 365 | |
| 366 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_10x0003, APS_READ_30x000e)) |
| 367 | return (1); |
| 368 | |
| 369 | if (iobuf[APS_RET0x0f] != 0 ||iobuf[APS_ARG30x03] != 0) |
| 370 | return (2); |
| 371 | |
| 372 | /* Test values from the Linux driver */ |
| 373 | if ((iobuf[APS_ARG10x01] != 0 || iobuf[APS_ARG20x02] != 0x60) && |
| 374 | (iobuf[APS_ARG10x01] != 1 || iobuf[APS_ARG20x02] != 0)) |
| 375 | return (3); |
| 376 | |
| 377 | /* command 0x14: set power */ |
| 378 | iobuf[APS_CMD0x00] = 0x14; |
| 379 | iobuf[APS_ARG10x01] = 0x01; |
| 380 | |
| 381 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_10x0003, APS_READ_00x0000)) |
| 382 | return (4); |
| 383 | |
| 384 | if (iobuf[APS_RET0x0f] != 0) |
| 385 | return (5); |
| 386 | |
| 387 | /* command 0x10: set config (sample rate and order) */ |
| 388 | iobuf[APS_CMD0x00] = 0x10; |
| 389 | iobuf[APS_ARG10x01] = 0xc8; |
| 390 | iobuf[APS_ARG20x02] = 0x00; |
| 391 | iobuf[APS_ARG30x03] = 0x02; |
| 392 | |
| 393 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_30x000f, APS_READ_00x0000)) |
| 394 | return (6); |
| 395 | |
| 396 | if (iobuf[APS_RET0x0f] != 0) |
| 397 | return (7); |
| 398 | |
| 399 | /* command 0x11: refresh data */ |
| 400 | iobuf[APS_CMD0x00] = 0x11; |
| 401 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_00x0001, APS_READ_10x0002)) |
| 402 | return (8); |
| 403 | |
| 404 | return (0); |
| 405 | } |
| 406 | |
| 407 | int |
| 408 | aps_read_data(struct aps_softc *sc) |
| 409 | { |
| 410 | bus_space_tag_t iot = sc->aps_iot; |
| 411 | bus_space_handle_t ioh = sc->aps_ioh; |
| 412 | unsigned char iobuf[16]; |
| 413 | |
| 414 | /* command 0x11: refresh data */ |
| 415 | iobuf[APS_CMD0x00] = 0x11; |
| 416 | if (aps_do_io(iot, ioh, iobuf, APS_WRITE_00x0001, APS_READ_ALL0xffff)) |
| 417 | return (1); |
| 418 | |
| 419 | sc->aps_data.state = iobuf[APS_STATE0x01]; |
| 420 | sc->aps_data.x_accel = iobuf[APS_XACCEL0x02] + 256 * iobuf[APS_XACCEL0x02 + 1]; |
| 421 | sc->aps_data.y_accel = iobuf[APS_YACCEL0x04] + 256 * iobuf[APS_YACCEL0x04 + 1]; |
| 422 | sc->aps_data.temp1 = iobuf[APS_TEMP0x06]; |
| 423 | sc->aps_data.x_var = iobuf[APS_XVAR0x07] + 256 * iobuf[APS_XVAR0x07 + 1]; |
| 424 | sc->aps_data.y_var = iobuf[APS_YVAR0x09] + 256 * iobuf[APS_YVAR0x09 + 1]; |
| 425 | sc->aps_data.temp2 = iobuf[APS_TEMP20x0b]; |
| 426 | sc->aps_data.input = iobuf[APS_INPUT0x0d]; |
| 427 | |
| 428 | return (0); |
| 429 | } |
| 430 | |
| 431 | void |
| 432 | aps_refresh_sensor_data(struct aps_softc *sc) |
| 433 | { |
| 434 | int64_t temp; |
| 435 | int i; |
| 436 | #if NAPM > 0 |
| 437 | extern int lid_action; |
| 438 | extern int apm_lidclose; |
| 439 | #endif |
| 440 | |
| 441 | if (aps_read_data(sc)) |
| 442 | return; |
| 443 | |
| 444 | for (i = 0; i < APS_NUM_SENSORS9; i++) { |
| 445 | sc->sensors[i].flags &= ~SENSOR_FINVALID0x0001; |
| 446 | } |
| 447 | |
| 448 | sc->sensors[APS_SENSOR_XACCEL0].value = sc->aps_data.x_accel; |
| 449 | sc->sensors[APS_SENSOR_YACCEL1].value = sc->aps_data.y_accel; |
| 450 | |
| 451 | /* convert to micro (mu) degrees */ |
| 452 | temp = sc->aps_data.temp1 * 1000000; |
| 453 | /* convert to kelvin */ |
| 454 | temp += 273150000; |
| 455 | sc->sensors[APS_SENSOR_TEMP14].value = temp; |
| 456 | |
| 457 | /* convert to micro (mu) degrees */ |
| 458 | temp = sc->aps_data.temp2 * 1000000; |
| 459 | /* convert to kelvin */ |
| 460 | temp += 273150000; |
| 461 | sc->sensors[APS_SENSOR_TEMP25].value = temp; |
| 462 | |
| 463 | sc->sensors[APS_SENSOR_XVAR2].value = sc->aps_data.x_var; |
| 464 | sc->sensors[APS_SENSOR_YVAR3].value = sc->aps_data.y_var; |
| 465 | sc->sensors[APS_SENSOR_KBACT6].value = |
| 466 | (sc->aps_data.input & APS_INPUT_KB(1 << 5)) ? 1 : 0; |
| 467 | sc->sensors[APS_SENSOR_MSACT7].value = |
| 468 | (sc->aps_data.input & APS_INPUT_MS(1 << 6)) ? 1 : 0; |
| 469 | #if NAPM > 0 |
| 470 | if (lid_action && |
| 471 | (sc->sensors[APS_SENSOR_LIDOPEN8].value == 1) && |
| 472 | (sc->aps_data.input & APS_INPUT_LIDOPEN(1 << 7)) == 0) |
| 473 | /* Inform APM that the lid has closed */ |
| 474 | apm_lidclose = 1; |
| 475 | #endif |
| 476 | sc->sensors[APS_SENSOR_LIDOPEN8].value = |
| 477 | (sc->aps_data.input & APS_INPUT_LIDOPEN(1 << 7)) ? 1 : 0; |
| 478 | } |
| 479 | |
| 480 | void |
| 481 | aps_refresh(void *arg) |
| 482 | { |
| 483 | struct aps_softc *sc = (struct aps_softc *)arg; |
| 484 | |
| 485 | aps_refresh_sensor_data(sc); |
| 486 | timeout_add_msec(&aps_timeout, 500); |
| 487 | } |
| 488 | |
| 489 | int |
| 490 | aps_activate(struct device *self, int act) |
| 491 | { |
| 492 | struct aps_softc *sc = (struct aps_softc *)self; |
| 493 | bus_space_tag_t iot = sc->aps_iot; |
| 494 | bus_space_handle_t ioh = sc->aps_ioh; |
| 495 | unsigned char iobuf[16]; |
| 496 | |
| 497 | /* check if we bombed during attach */ |
| 498 | if (!timeout_initialized(&aps_timeout)((&aps_timeout)->to_flags & 0x04)) |
| 499 | return (0); |
| 500 | |
| 501 | switch (act) { |
| 502 | case DVACT_SUSPEND3: |
| 503 | timeout_del(&aps_timeout); |
| 504 | break; |
| 505 | case DVACT_RESUME4: |
| 506 | /* |
| 507 | * Redo the init sequence on resume, because APS is |
| 508 | * as forgetful as it is deaf. |
| 509 | */ |
| 510 | |
| 511 | /* get APS mode */ |
| 512 | iobuf[APS_CMD0x00] = 0x13; |
| 513 | aps_do_io(iot, ioh, iobuf, APS_WRITE_00x0001, APS_READ_10x0002); |
| 514 | |
| 515 | aps_init(iot, ioh); |
| 516 | timeout_add_msec(&aps_timeout, 500); |
| 517 | break; |
| 518 | } |
| 519 | return (0); |
| 520 | } |