37 38#include <sys/param.h> 39#include <sys/bus.h> 40#include <sys/conf.h> 41#include <sys/kernel.h> 42#include <sys/lock.h> 43#include <sys/malloc.h> 44#include <sys/module.h> 45#include <sys/mutex.h> 46#include <sys/sysctl.h> 47#include <sys/systm.h> 48#include <sys/taskqueue.h> 49#include <sys/rman.h> 50 51#include <machine/resource.h> 52 53#include <contrib/dev/acpica/include/acpi.h> 54 55#include <dev/acpica/acpivar.h> 56#include <dev/asmc/asmcvar.h> 57 58#include "opt_intr_filter.h" 59 60/* 61 * Device interface. 62 */ 63static int asmc_probe(device_t dev); 64static int asmc_attach(device_t dev); 65static int asmc_detach(device_t dev); 66 67/* 68 * SMC functions. 69 */ 70static int asmc_init(device_t dev); 71static int asmc_command(device_t dev, uint8_t command); 72static int asmc_wait(device_t dev, uint8_t val); 73static int asmc_wait_ack(device_t dev, uint8_t val, int amount); 74static int asmc_key_write(device_t dev, const char *key, uint8_t *buf, 75 uint8_t len); 76static int asmc_key_read(device_t dev, const char *key, uint8_t *buf, 77 uint8_t); 78static int asmc_fan_count(device_t dev); 79static int asmc_fan_getvalue(device_t dev, const char *key, int fan); 80static int asmc_temp_getvalue(device_t dev, const char *key); 81static int asmc_sms_read(device_t, const char *key, int16_t *val); 82static void asmc_sms_calibrate(device_t dev); 83static int asmc_sms_intrfast(void *arg); 84#ifdef INTR_FILTER 85static void asmc_sms_handler(void *arg); 86#endif 87static void asmc_sms_printintr(device_t dev, uint8_t); 88static void asmc_sms_task(void *arg, int pending); 89#ifdef DEBUG 90void asmc_dumpall(device_t); 91static int asmc_key_dump(device_t, int); 92#endif 93 94/* 95 * Model functions. 96 */ 97static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS); 98static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); 99static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); 100static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); 101static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); 102static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); 103static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); 104static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); 105static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS); 106static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS); 107static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS); 108static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS); 109 110struct asmc_model { 111 const char *smc_model; /* smbios.system.product env var. */ 112 const char *smc_desc; /* driver description */ 113 114 /* Helper functions */ 115 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS); 116 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS); 117 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS); 118 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS); 119 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS); 120 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS); 121 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS); 122 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS); 123 int (*smc_light_left)(SYSCTL_HANDLER_ARGS); 124 int (*smc_light_right)(SYSCTL_HANDLER_ARGS); 125 int (*smc_light_control)(SYSCTL_HANDLER_ARGS); 126 127 const char *smc_temps[ASMC_TEMP_MAX]; 128 const char *smc_tempnames[ASMC_TEMP_MAX]; 129 const char *smc_tempdescs[ASMC_TEMP_MAX]; 130}; 131 132static struct asmc_model *asmc_match(device_t dev); 133 134#define ASMC_SMS_FUNCS asmc_mb_sysctl_sms_x, asmc_mb_sysctl_sms_y, \ 135 asmc_mb_sysctl_sms_z 136 137#define ASMC_FAN_FUNCS asmc_mb_sysctl_fanspeed, asmc_mb_sysctl_fansafespeed, \ 138 asmc_mb_sysctl_fanminspeed, \ 139 asmc_mb_sysctl_fanmaxspeed, \ 140 asmc_mb_sysctl_fantargetspeed 141#define ASMC_LIGHT_FUNCS asmc_mbp_sysctl_light_left, \ 142 asmc_mbp_sysctl_light_right, \ 143 asmc_mbp_sysctl_light_control 144 145struct asmc_model asmc_models[] = { 146 { 147 "MacBook1,1", "Apple SMC MacBook Core Duo", 148 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 149 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 150 }, 151 152 { 153 "MacBook2,1", "Apple SMC MacBook Core 2 Duo", 154 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 155 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 156 }, 157 158 { 159 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)", 160 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 161 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 162 }, 163 164 { 165 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)", 166 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 167 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 168 }, 169 170 { 171 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)", 172 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 173 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 174 }, 175 176 { 177 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)", 178 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 179 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 180 }, 181 182 { 183 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)", 184 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 185 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 186 }, 187 188 { 189 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)", 190 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 191 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 192 }, 193 194 { 195 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)", 196 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 197 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS 198 }, 199 200 /* The Mac Mini has no SMS */ 201 { 202 "Macmini1,1", "Apple SMC Mac Mini", 203 NULL, NULL, NULL, 204 ASMC_FAN_FUNCS, 205 NULL, NULL, NULL, 206 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 207 }, 208 209 /* Idem for the MacPro */ 210 { 211 "MacPro2", "Apple SMC Mac Pro (8-core)", 212 NULL, NULL, NULL, 213 ASMC_FAN_FUNCS, 214 NULL, NULL, NULL, 215 ASMC_MP_TEMPS, ASMC_MP_TEMPNAMES, ASMC_MP_TEMPDESCS 216 }, 217 218 { 219 "MacBookAir1,1", "Apple SMC MacBook Air", 220 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 221 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 222 }, 223 224 225 { NULL, NULL } 226}; 227 228#undef ASMC_SMS_FUNCS 229#undef ASMC_FAN_FUNCS 230#undef ASMC_LIGHT_FUNCS 231 232/* 233 * Driver methods. 234 */ 235static device_method_t asmc_methods[] = { 236 DEVMETHOD(device_probe, asmc_probe), 237 DEVMETHOD(device_attach, asmc_attach), 238 DEVMETHOD(device_detach, asmc_detach), 239 240 { 0, 0 } 241}; 242 243static driver_t asmc_driver = { 244 "asmc", 245 asmc_methods, 246 sizeof(struct asmc_softc) 247}; 248 249/* 250 * Debugging 251 */ 252#define _COMPONENT ACPI_OEM 253ACPI_MODULE_NAME("ASMC") 254#ifdef DEBUG 255#define ASMC_DPRINTF(str) device_printf(dev, str) 256#else 257#define ASMC_DPRINTF(str) 258#endif 259 260/* NB: can't be const */ 261static char *asmc_ids[] = { "APP0001", NULL }; 262 263static devclass_t asmc_devclass; 264 265DRIVER_MODULE(asmc, acpi, asmc_driver, asmc_devclass, NULL, NULL); 266MODULE_DEPEND(asmc, acpi, 1, 1, 1); 267 268static struct asmc_model * 269asmc_match(device_t dev) 270{ 271 int i; 272 char *model; 273 274 model = getenv("smbios.system.product"); 275 if (model == NULL) 276 return (NULL); 277 278 for (i = 0; asmc_models[i].smc_model; i++) { 279 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 280 freeenv(model); 281 return (&asmc_models[i]); 282 } 283 } 284 freeenv(model); 285 286 return (NULL); 287} 288 289static int 290asmc_probe(device_t dev) 291{ 292 struct asmc_model *model; 293
| 37 38#include <sys/param.h> 39#include <sys/bus.h> 40#include <sys/conf.h> 41#include <sys/kernel.h> 42#include <sys/lock.h> 43#include <sys/malloc.h> 44#include <sys/module.h> 45#include <sys/mutex.h> 46#include <sys/sysctl.h> 47#include <sys/systm.h> 48#include <sys/taskqueue.h> 49#include <sys/rman.h> 50 51#include <machine/resource.h> 52 53#include <contrib/dev/acpica/include/acpi.h> 54 55#include <dev/acpica/acpivar.h> 56#include <dev/asmc/asmcvar.h> 57 58#include "opt_intr_filter.h" 59 60/* 61 * Device interface. 62 */ 63static int asmc_probe(device_t dev); 64static int asmc_attach(device_t dev); 65static int asmc_detach(device_t dev); 66 67/* 68 * SMC functions. 69 */ 70static int asmc_init(device_t dev); 71static int asmc_command(device_t dev, uint8_t command); 72static int asmc_wait(device_t dev, uint8_t val); 73static int asmc_wait_ack(device_t dev, uint8_t val, int amount); 74static int asmc_key_write(device_t dev, const char *key, uint8_t *buf, 75 uint8_t len); 76static int asmc_key_read(device_t dev, const char *key, uint8_t *buf, 77 uint8_t); 78static int asmc_fan_count(device_t dev); 79static int asmc_fan_getvalue(device_t dev, const char *key, int fan); 80static int asmc_temp_getvalue(device_t dev, const char *key); 81static int asmc_sms_read(device_t, const char *key, int16_t *val); 82static void asmc_sms_calibrate(device_t dev); 83static int asmc_sms_intrfast(void *arg); 84#ifdef INTR_FILTER 85static void asmc_sms_handler(void *arg); 86#endif 87static void asmc_sms_printintr(device_t dev, uint8_t); 88static void asmc_sms_task(void *arg, int pending); 89#ifdef DEBUG 90void asmc_dumpall(device_t); 91static int asmc_key_dump(device_t, int); 92#endif 93 94/* 95 * Model functions. 96 */ 97static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS); 98static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); 99static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); 100static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); 101static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); 102static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); 103static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); 104static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); 105static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS); 106static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS); 107static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS); 108static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS); 109 110struct asmc_model { 111 const char *smc_model; /* smbios.system.product env var. */ 112 const char *smc_desc; /* driver description */ 113 114 /* Helper functions */ 115 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS); 116 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS); 117 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS); 118 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS); 119 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS); 120 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS); 121 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS); 122 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS); 123 int (*smc_light_left)(SYSCTL_HANDLER_ARGS); 124 int (*smc_light_right)(SYSCTL_HANDLER_ARGS); 125 int (*smc_light_control)(SYSCTL_HANDLER_ARGS); 126 127 const char *smc_temps[ASMC_TEMP_MAX]; 128 const char *smc_tempnames[ASMC_TEMP_MAX]; 129 const char *smc_tempdescs[ASMC_TEMP_MAX]; 130}; 131 132static struct asmc_model *asmc_match(device_t dev); 133 134#define ASMC_SMS_FUNCS asmc_mb_sysctl_sms_x, asmc_mb_sysctl_sms_y, \ 135 asmc_mb_sysctl_sms_z 136 137#define ASMC_FAN_FUNCS asmc_mb_sysctl_fanspeed, asmc_mb_sysctl_fansafespeed, \ 138 asmc_mb_sysctl_fanminspeed, \ 139 asmc_mb_sysctl_fanmaxspeed, \ 140 asmc_mb_sysctl_fantargetspeed 141#define ASMC_LIGHT_FUNCS asmc_mbp_sysctl_light_left, \ 142 asmc_mbp_sysctl_light_right, \ 143 asmc_mbp_sysctl_light_control 144 145struct asmc_model asmc_models[] = { 146 { 147 "MacBook1,1", "Apple SMC MacBook Core Duo", 148 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 149 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 150 }, 151 152 { 153 "MacBook2,1", "Apple SMC MacBook Core 2 Duo", 154 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 155 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 156 }, 157 158 { 159 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)", 160 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 161 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 162 }, 163 164 { 165 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)", 166 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 167 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 168 }, 169 170 { 171 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)", 172 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 173 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 174 }, 175 176 { 177 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)", 178 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 179 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 180 }, 181 182 { 183 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)", 184 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 185 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 186 }, 187 188 { 189 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)", 190 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 191 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 192 }, 193 194 { 195 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)", 196 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 197 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS 198 }, 199 200 /* The Mac Mini has no SMS */ 201 { 202 "Macmini1,1", "Apple SMC Mac Mini", 203 NULL, NULL, NULL, 204 ASMC_FAN_FUNCS, 205 NULL, NULL, NULL, 206 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 207 }, 208 209 /* Idem for the MacPro */ 210 { 211 "MacPro2", "Apple SMC Mac Pro (8-core)", 212 NULL, NULL, NULL, 213 ASMC_FAN_FUNCS, 214 NULL, NULL, NULL, 215 ASMC_MP_TEMPS, ASMC_MP_TEMPNAMES, ASMC_MP_TEMPDESCS 216 }, 217 218 { 219 "MacBookAir1,1", "Apple SMC MacBook Air", 220 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 221 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 222 }, 223 224 225 { NULL, NULL } 226}; 227 228#undef ASMC_SMS_FUNCS 229#undef ASMC_FAN_FUNCS 230#undef ASMC_LIGHT_FUNCS 231 232/* 233 * Driver methods. 234 */ 235static device_method_t asmc_methods[] = { 236 DEVMETHOD(device_probe, asmc_probe), 237 DEVMETHOD(device_attach, asmc_attach), 238 DEVMETHOD(device_detach, asmc_detach), 239 240 { 0, 0 } 241}; 242 243static driver_t asmc_driver = { 244 "asmc", 245 asmc_methods, 246 sizeof(struct asmc_softc) 247}; 248 249/* 250 * Debugging 251 */ 252#define _COMPONENT ACPI_OEM 253ACPI_MODULE_NAME("ASMC") 254#ifdef DEBUG 255#define ASMC_DPRINTF(str) device_printf(dev, str) 256#else 257#define ASMC_DPRINTF(str) 258#endif 259 260/* NB: can't be const */ 261static char *asmc_ids[] = { "APP0001", NULL }; 262 263static devclass_t asmc_devclass; 264 265DRIVER_MODULE(asmc, acpi, asmc_driver, asmc_devclass, NULL, NULL); 266MODULE_DEPEND(asmc, acpi, 1, 1, 1); 267 268static struct asmc_model * 269asmc_match(device_t dev) 270{ 271 int i; 272 char *model; 273 274 model = getenv("smbios.system.product"); 275 if (model == NULL) 276 return (NULL); 277 278 for (i = 0; asmc_models[i].smc_model; i++) { 279 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 280 freeenv(model); 281 return (&asmc_models[i]); 282 } 283 } 284 freeenv(model); 285 286 return (NULL); 287} 288 289static int 290asmc_probe(device_t dev) 291{ 292 struct asmc_model *model; 293
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294 if (ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids) == NULL) 295 return (ENXIO); 296 297 model = asmc_match(dev); 298 if (!model) { 299 device_printf(dev, "model not recognized\n"); 300 return (ENXIO); 301 } 302 device_set_desc(dev, model->smc_desc); 303 304 return (BUS_PROBE_DEFAULT); 305} 306 307static int 308asmc_attach(device_t dev) 309{ 310 int i, j; 311 int ret; 312 char name[2]; 313 struct asmc_softc *sc = device_get_softc(dev); 314 struct sysctl_ctx_list *sysctlctx; 315 struct sysctl_oid *sysctlnode; 316 struct asmc_model *model; 317 318 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 319 &sc->sc_rid_port, RF_ACTIVE); 320 if (sc->sc_ioport == NULL) { 321 device_printf(dev, "unable to allocate IO port\n"); 322 return (ENOMEM); 323 } 324 325 sysctlctx = device_get_sysctl_ctx(dev); 326 sysctlnode = device_get_sysctl_tree(dev); 327 328 model = asmc_match(dev); 329 330 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 331 332 sc->sc_model = model; 333 asmc_init(dev); 334 335 /* 336 * dev.asmc.n.fan.* tree. 337 */ 338 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 339 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 340 CTLFLAG_RD, 0, "Fan Root Tree"); 341 342 for (i = 1; i <= sc->sc_nfan; i++) { 343 j = i - 1; 344 name[0] = '0' + j; 345 name[1] = 0; 346 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 347 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 348 OID_AUTO, name, CTLFLAG_RD, 0, 349 "Fan Subtree"); 350 351 SYSCTL_ADD_PROC(sysctlctx, 352 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 353 OID_AUTO, "speed", CTLTYPE_INT | CTLFLAG_RD, 354 dev, j, model->smc_fan_speed, "I", 355 "Fan speed in RPM"); 356 357 SYSCTL_ADD_PROC(sysctlctx, 358 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 359 OID_AUTO, "safespeed", 360 CTLTYPE_INT | CTLFLAG_RD, 361 dev, j, model->smc_fan_safespeed, "I", 362 "Fan safe speed in RPM"); 363 364 SYSCTL_ADD_PROC(sysctlctx, 365 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 366 OID_AUTO, "minspeed", 367 CTLTYPE_INT | CTLFLAG_RD, 368 dev, j, model->smc_fan_minspeed, "I", 369 "Fan minimum speed in RPM"); 370 371 SYSCTL_ADD_PROC(sysctlctx, 372 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 373 OID_AUTO, "maxspeed", 374 CTLTYPE_INT | CTLFLAG_RD, 375 dev, j, model->smc_fan_maxspeed, "I", 376 "Fan maximum speed in RPM"); 377 378 SYSCTL_ADD_PROC(sysctlctx, 379 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 380 OID_AUTO, "targetspeed", 381 CTLTYPE_INT | CTLFLAG_RD, 382 dev, j, model->smc_fan_targetspeed, "I", 383 "Fan target speed in RPM"); 384 } 385 386 /* 387 * dev.asmc.n.temp tree. 388 */ 389 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 390 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 391 CTLFLAG_RD, 0, "Temperature sensors"); 392 393 for (i = 0; model->smc_temps[i]; i++) { 394 SYSCTL_ADD_PROC(sysctlctx, 395 SYSCTL_CHILDREN(sc->sc_temp_tree), 396 OID_AUTO, model->smc_tempnames[i], 397 CTLTYPE_INT | CTLFLAG_RD, 398 dev, i, asmc_temp_sysctl, "I", 399 model->smc_tempdescs[i]); 400 } 401 402 /* 403 * dev.asmc.n.light 404 */ 405 if (model->smc_light_left) { 406 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 407 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 408 CTLFLAG_RD, 0, "Keyboard backlight sensors"); 409 410 SYSCTL_ADD_PROC(sysctlctx, 411 SYSCTL_CHILDREN(sc->sc_light_tree), 412 OID_AUTO, "left", CTLTYPE_INT | CTLFLAG_RD, 413 dev, 0, model->smc_light_left, "I", 414 "Keyboard backlight left sensor"); 415 416 SYSCTL_ADD_PROC(sysctlctx, 417 SYSCTL_CHILDREN(sc->sc_light_tree), 418 OID_AUTO, "right", CTLTYPE_INT | CTLFLAG_RD, 419 dev, 0, model->smc_light_right, "I", 420 "Keyboard backlight right sensor"); 421 422 SYSCTL_ADD_PROC(sysctlctx, 423 SYSCTL_CHILDREN(sc->sc_light_tree), 424 OID_AUTO, "control", 425 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY, 426 dev, 0, model->smc_light_control, "I", 427 "Keyboard backlight brightness control"); 428 } 429 430 if (model->smc_sms_x == NULL) 431 goto nosms; 432 433 /* 434 * dev.asmc.n.sms tree. 435 */ 436 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 437 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 438 CTLFLAG_RD, 0, "Sudden Motion Sensor"); 439 440 SYSCTL_ADD_PROC(sysctlctx, 441 SYSCTL_CHILDREN(sc->sc_sms_tree), 442 OID_AUTO, "x", CTLTYPE_INT | CTLFLAG_RD, 443 dev, 0, model->smc_sms_x, "I", 444 "Sudden Motion Sensor X value"); 445 446 SYSCTL_ADD_PROC(sysctlctx, 447 SYSCTL_CHILDREN(sc->sc_sms_tree), 448 OID_AUTO, "y", CTLTYPE_INT | CTLFLAG_RD, 449 dev, 0, model->smc_sms_y, "I", 450 "Sudden Motion Sensor Y value"); 451 452 SYSCTL_ADD_PROC(sysctlctx, 453 SYSCTL_CHILDREN(sc->sc_sms_tree), 454 OID_AUTO, "z", CTLTYPE_INT | CTLFLAG_RD, 455 dev, 0, model->smc_sms_z, "I", 456 "Sudden Motion Sensor Z value"); 457 458 /* 459 * Need a taskqueue to send devctl_notify() events 460 * when the SMS interrupt us. 461 * 462 * PI_REALTIME is used due to the sensitivity of the 463 * interrupt. An interrupt from the SMS means that the 464 * disk heads should be turned off as quickly as possible. 465 * 466 * We only need to do this for the non INTR_FILTER case. 467 */ 468 sc->sc_sms_tq = NULL; 469#ifndef INTR_FILTER 470 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 471 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 472 taskqueue_thread_enqueue, &sc->sc_sms_tq); 473 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 474 device_get_nameunit(dev)); 475#endif 476 /* 477 * Allocate an IRQ for the SMS. 478 */ 479 sc->sc_rid_irq = 0; 480 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 481 &sc->sc_rid_irq, RF_ACTIVE); 482 if (sc->sc_irq == NULL) { 483 device_printf(dev, "unable to allocate IRQ resource\n"); 484 ret = ENXIO; 485 goto err2; 486 } 487 488 ret = bus_setup_intr(dev, sc->sc_irq, 489 INTR_TYPE_MISC | INTR_MPSAFE, 490#ifdef INTR_FILTER 491 asmc_sms_intrfast, asmc_sms_handler, 492#else 493 asmc_sms_intrfast, NULL, 494#endif 495 dev, &sc->sc_cookie); 496 497 if (ret) { 498 device_printf(dev, "unable to setup SMS IRQ\n"); 499 goto err1; 500 } 501nosms: 502 return (0); 503err1: 504 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 505err2: 506 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 507 sc->sc_ioport); 508 mtx_destroy(&sc->sc_mtx); 509 if (sc->sc_sms_tq) 510 taskqueue_free(sc->sc_sms_tq); 511 512 return (ret); 513} 514 515static int 516asmc_detach(device_t dev) 517{ 518 struct asmc_softc *sc = device_get_softc(dev); 519 520 if (sc->sc_sms_tq) { 521 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 522 taskqueue_free(sc->sc_sms_tq); 523 } 524 if (sc->sc_cookie) 525 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 526 if (sc->sc_irq) 527 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 528 sc->sc_irq); 529 if (sc->sc_ioport) 530 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 531 sc->sc_ioport); 532 mtx_destroy(&sc->sc_mtx); 533 534 return (0); 535} 536 537#ifdef DEBUG 538void asmc_dumpall(device_t dev) 539{ 540 int i; 541 542 /* XXX magic number */ 543 for (i=0; i < 0x100; i++) 544 asmc_key_dump(dev, i); 545} 546#endif 547 548static int 549asmc_init(device_t dev) 550{ 551 struct asmc_softc *sc = device_get_softc(dev); 552 int i, error = 1; 553 uint8_t buf[4]; 554 555 if (sc->sc_model->smc_sms_x == NULL) 556 goto nosms; 557 558 /* 559 * We are ready to recieve interrupts from the SMS. 560 */ 561 buf[0] = 0x01; 562 ASMC_DPRINTF(("intok key\n")); 563 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 564 DELAY(50); 565 566 /* 567 * Initiate the polling intervals. 568 */ 569 buf[0] = 20; /* msecs */ 570 ASMC_DPRINTF(("low int key\n")); 571 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 572 DELAY(200); 573 574 buf[0] = 20; /* msecs */ 575 ASMC_DPRINTF(("high int key\n")); 576 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 577 DELAY(200); 578 579 buf[0] = 0x00; 580 buf[1] = 0x60; 581 ASMC_DPRINTF(("sms low key\n")); 582 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 583 DELAY(200); 584 585 buf[0] = 0x01; 586 buf[1] = 0xc0; 587 ASMC_DPRINTF(("sms high key\n")); 588 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 589 DELAY(200); 590 591 /* 592 * I'm not sure what this key does, but it seems to be 593 * required. 594 */ 595 buf[0] = 0x01; 596 ASMC_DPRINTF(("sms flag key\n")); 597 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 598 DELAY(100); 599 600 sc->sc_sms_intr_works = 0; 601 602 /* 603 * Retry SMS initialization 1000 times 604 * (takes approx. 2 seconds in worst case) 605 */ 606 for (i = 0; i < 1000; i++) { 607 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 608 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 609 error = 0; 610 sc->sc_sms_intr_works = 1; 611 goto out; 612 } 613 buf[0] = ASMC_SMS_INIT1; 614 buf[1] = ASMC_SMS_INIT2; 615 ASMC_DPRINTF(("sms key\n")); 616 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 617 DELAY(50); 618 } 619 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 620 621out: 622 asmc_sms_calibrate(dev); 623nosms: 624 sc->sc_nfan = asmc_fan_count(dev); 625 if (sc->sc_nfan > ASMC_MAXFANS) { 626 device_printf(dev, "more than %d fans were detected. Please " 627 "report this.\n", ASMC_MAXFANS); 628 sc->sc_nfan = ASMC_MAXFANS; 629 } 630 631 if (bootverbose) { 632 /* 633 * XXX: The number of keys is a 32 bit buffer, but 634 * right now Apple only uses the last 8 bit. 635 */ 636 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 637 device_printf(dev, "number of keys: %d\n", buf[3]); 638 } 639 640#ifdef DEBUG 641 asmc_dumpall(dev); 642#endif 643 644 return (error); 645} 646 647/* 648 * We need to make sure that the SMC acks the byte sent. 649 * Just wait up to (amount * 10) ms. 650 */ 651static int 652asmc_wait_ack(device_t dev, uint8_t val, int amount) 653{ 654 struct asmc_softc *sc = device_get_softc(dev); 655 u_int i; 656 657 val = val & ASMC_STATUS_MASK; 658 659 for (i = 0; i < amount; i++) { 660 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 661 return (0); 662 DELAY(10); 663 } 664 665 return (1); 666} 667 668/* 669 * We need to make sure that the SMC acks the byte sent. 670 * Just wait up to 100 ms. 671 */ 672static int 673asmc_wait(device_t dev, uint8_t val) 674{ 675 struct asmc_softc *sc; 676 677 if (asmc_wait_ack(dev, val, 1000) == 0) 678 return (0); 679 680 sc = device_get_softc(dev); 681 val = val & ASMC_STATUS_MASK; 682 683#ifdef DEBUG 684 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 685 ASMC_CMDPORT_READ(sc)); 686#endif 687 return (1); 688} 689 690/* 691 * Send the given command, retrying up to 10 times if 692 * the acknowledgement fails. 693 */ 694static int 695asmc_command(device_t dev, uint8_t command) { 696 697 int i; 698 struct asmc_softc *sc = device_get_softc(dev); 699 700 for (i=0; i < 10; i++) { 701 ASMC_CMDPORT_WRITE(sc, command); 702 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 703 return (0); 704 } 705 } 706 707#ifdef DEBUG 708 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 709 ASMC_CMDPORT_READ(sc)); 710#endif 711 return (1); 712} 713 714static int 715asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 716{ 717 int i, error = 1, try = 0; 718 struct asmc_softc *sc = device_get_softc(dev); 719 720 mtx_lock_spin(&sc->sc_mtx); 721 722begin: 723 if (asmc_command(dev, ASMC_CMDREAD)) 724 goto out; 725 726 for (i = 0; i < 4; i++) { 727 ASMC_DATAPORT_WRITE(sc, key[i]); 728 if (asmc_wait(dev, 0x04)) 729 goto out; 730 } 731 732 ASMC_DATAPORT_WRITE(sc, len); 733 734 for (i = 0; i < len; i++) { 735 if (asmc_wait(dev, 0x05)) 736 goto out; 737 buf[i] = ASMC_DATAPORT_READ(sc); 738 } 739 740 error = 0; 741out: 742 if (error) { 743 if (++try < 10) goto begin; 744 device_printf(dev,"%s for key %s failed %d times, giving up\n", 745 __func__, key, try); 746 } 747 748 mtx_unlock_spin(&sc->sc_mtx); 749 750 return (error); 751} 752 753#ifdef DEBUG 754static int 755asmc_key_dump(device_t dev, int number) 756{ 757 struct asmc_softc *sc = device_get_softc(dev); 758 char key[5] = { 0 }; 759 char type[7] = { 0 }; 760 uint8_t index[4]; 761 uint8_t v[32]; 762 uint8_t maxlen; 763 int i, error = 1, try = 0; 764 765 mtx_lock_spin(&sc->sc_mtx); 766 767 index[0] = (number >> 24) & 0xff; 768 index[1] = (number >> 16) & 0xff; 769 index[2] = (number >> 8) & 0xff; 770 index[3] = (number) & 0xff; 771 772begin: 773 if (asmc_command(dev, 0x12)) 774 goto out; 775 776 for (i = 0; i < 4; i++) { 777 ASMC_DATAPORT_WRITE(sc, index[i]); 778 if (asmc_wait(dev, 0x04)) 779 goto out; 780 } 781 782 ASMC_DATAPORT_WRITE(sc, 4); 783 784 for (i = 0; i < 4; i++) { 785 if (asmc_wait(dev, 0x05)) 786 goto out; 787 key[i] = ASMC_DATAPORT_READ(sc); 788 } 789 790 /* get type */ 791 if (asmc_command(dev, 0x13)) 792 goto out; 793 794 for (i = 0; i < 4; i++) { 795 ASMC_DATAPORT_WRITE(sc, key[i]); 796 if (asmc_wait(dev, 0x04)) 797 goto out; 798 } 799 800 ASMC_DATAPORT_WRITE(sc, 6); 801 802 for (i = 0; i < 6; i++) { 803 if (asmc_wait(dev, 0x05)) 804 goto out; 805 type[i] = ASMC_DATAPORT_READ(sc); 806 } 807 808 error = 0; 809out: 810 if (error) { 811 if (++try < 10) goto begin; 812 device_printf(dev,"%s for key %s failed %d times, giving up\n", 813 __func__, key, try); 814 mtx_unlock_spin(&sc->sc_mtx); 815 } 816 else { 817 char buf[1024]; 818 char buf2[8]; 819 mtx_unlock_spin(&sc->sc_mtx); 820 maxlen = type[0]; 821 type[0] = ' '; 822 type[5] = 0; 823 if (maxlen > sizeof(v)) { 824 device_printf(dev, 825 "WARNING: cropping maxlen from %d to %zu\n", 826 maxlen, sizeof(v)); 827 maxlen = sizeof(v); 828 } 829 for (i = 0; i < sizeof(v); i++) { 830 v[i] = 0; 831 } 832 asmc_key_read(dev, key, v, maxlen); 833 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 834 "(len %d), data", number, key, type, maxlen); 835 for (i = 0; i < maxlen; i++) { 836 snprintf(buf2, sizeof(buf), " %02x", v[i]); 837 strlcat(buf, buf2, sizeof(buf)); 838 } 839 strlcat(buf, " \n", sizeof(buf)); 840 device_printf(dev, buf); 841 } 842 843 return (error); 844} 845#endif 846 847static int 848asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 849{ 850 int i, error = -1, try = 0; 851 struct asmc_softc *sc = device_get_softc(dev); 852 853 mtx_lock_spin(&sc->sc_mtx); 854 855begin: 856 ASMC_DPRINTF(("cmd port: cmd write\n")); 857 if (asmc_command(dev, ASMC_CMDWRITE)) 858 goto out; 859 860 ASMC_DPRINTF(("data port: key\n")); 861 for (i = 0; i < 4; i++) { 862 ASMC_DATAPORT_WRITE(sc, key[i]); 863 if (asmc_wait(dev, 0x04)) 864 goto out; 865 } 866 ASMC_DPRINTF(("data port: length\n")); 867 ASMC_DATAPORT_WRITE(sc, len); 868 869 ASMC_DPRINTF(("data port: buffer\n")); 870 for (i = 0; i < len; i++) { 871 if (asmc_wait(dev, 0x04)) 872 goto out; 873 ASMC_DATAPORT_WRITE(sc, buf[i]); 874 } 875 876 error = 0; 877out: 878 if (error) { 879 if (++try < 10) goto begin; 880 device_printf(dev,"%s for key %s failed %d times, giving up\n", 881 __func__, key, try); 882 } 883 884 mtx_unlock_spin(&sc->sc_mtx); 885 886 return (error); 887 888} 889 890/* 891 * Fan control functions. 892 */ 893static int 894asmc_fan_count(device_t dev) 895{ 896 uint8_t buf[1]; 897 898 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, 1) < 0) 899 return (-1); 900 901 return (buf[0]); 902} 903 904static int 905asmc_fan_getvalue(device_t dev, const char *key, int fan) 906{ 907 int speed; 908 uint8_t buf[2]; 909 char fankey[5]; 910 911 snprintf(fankey, sizeof(fankey), key, fan); 912 if (asmc_key_read(dev, fankey, buf, 2) < 0) 913 return (-1); 914 speed = (buf[0] << 6) | (buf[1] >> 2); 915 916 return (speed); 917} 918 919static int 920asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 921{ 922 device_t dev = (device_t) arg1; 923 int fan = arg2; 924 int error; 925 int32_t v; 926 927 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 928 error = sysctl_handle_int(oidp, &v, 0, req); 929 930 return (error); 931} 932 933static int 934asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 935{ 936 device_t dev = (device_t) arg1; 937 int fan = arg2; 938 int error; 939 int32_t v; 940 941 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 942 error = sysctl_handle_int(oidp, &v, 0, req); 943 944 return (error); 945} 946 947 948static int 949asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 950{ 951 device_t dev = (device_t) arg1; 952 int fan = arg2; 953 int error; 954 int32_t v; 955 956 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 957 error = sysctl_handle_int(oidp, &v, 0, req); 958 959 return (error); 960} 961 962static int 963asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 964{ 965 device_t dev = (device_t) arg1; 966 int fan = arg2; 967 int error; 968 int32_t v; 969 970 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 971 error = sysctl_handle_int(oidp, &v, 0, req); 972 973 return (error); 974} 975 976static int 977asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 978{ 979 device_t dev = (device_t) arg1; 980 int fan = arg2; 981 int error; 982 int32_t v; 983 984 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 985 error = sysctl_handle_int(oidp, &v, 0, req); 986 987 return (error); 988} 989 990/* 991 * Temperature functions. 992 */ 993static int 994asmc_temp_getvalue(device_t dev, const char *key) 995{ 996 uint8_t buf[2]; 997 998 /* 999 * Check for invalid temperatures. 1000 */ 1001 if (asmc_key_read(dev, key, buf, 2) < 0) 1002 return (-1); 1003 1004 return (buf[0]); 1005} 1006 1007static int 1008asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1009{ 1010 device_t dev = (device_t) arg1; 1011 struct asmc_softc *sc = device_get_softc(dev); 1012 int error, val; 1013 1014 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1015 error = sysctl_handle_int(oidp, &val, 0, req); 1016 1017 return (error); 1018} 1019 1020/* 1021 * Sudden Motion Sensor functions. 1022 */ 1023static int 1024asmc_sms_read(device_t dev, const char *key, int16_t *val) 1025{ 1026 uint8_t buf[2]; 1027 int error; 1028 1029 /* no need to do locking here as asmc_key_read() already does it */ 1030 switch (key[3]) { 1031 case 'X': 1032 case 'Y': 1033 case 'Z': 1034 error = asmc_key_read(dev, key, buf, 2); 1035 break; 1036 default: 1037 device_printf(dev, "%s called with invalid argument %s\n", 1038 __func__, key); 1039 error = 1; 1040 goto out; 1041 } 1042 *val = ((int16_t)buf[0] << 8) | buf[1]; 1043out: 1044 return (error); 1045} 1046 1047static void 1048asmc_sms_calibrate(device_t dev) 1049{ 1050 struct asmc_softc *sc = device_get_softc(dev); 1051 1052 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1053 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1054 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1055} 1056 1057static int 1058asmc_sms_intrfast(void *arg) 1059{ 1060 uint8_t type; 1061 device_t dev = (device_t) arg; 1062 struct asmc_softc *sc = device_get_softc(dev); 1063 if (!sc->sc_sms_intr_works) 1064 return (FILTER_HANDLED); 1065 1066 mtx_lock_spin(&sc->sc_mtx); 1067 type = ASMC_INTPORT_READ(sc); 1068 mtx_unlock_spin(&sc->sc_mtx); 1069 1070 sc->sc_sms_intrtype = type; 1071 asmc_sms_printintr(dev, type); 1072 1073#ifdef INTR_FILTER 1074 return (FILTER_SCHEDULE_THREAD | FILTER_HANDLED); 1075#else 1076 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1077#endif 1078 return (FILTER_HANDLED); 1079} 1080 1081#ifdef INTR_FILTER 1082static void 1083asmc_sms_handler(void *arg) 1084{ 1085 struct asmc_softc *sc = device_get_softc(arg); 1086 1087 asmc_sms_task(sc, 0); 1088} 1089#endif 1090 1091 1092static void 1093asmc_sms_printintr(device_t dev, uint8_t type) 1094{ 1095 1096 switch (type) { 1097 case ASMC_SMS_INTFF: 1098 device_printf(dev, "WARNING: possible free fall!\n"); 1099 break; 1100 case ASMC_SMS_INTHA: 1101 device_printf(dev, "WARNING: high acceleration detected!\n"); 1102 break; 1103 case ASMC_SMS_INTSH: 1104 device_printf(dev, "WARNING: possible shock!\n"); 1105 break; 1106 default: 1107 device_printf(dev, "%s unknown interrupt\n", __func__); 1108 } 1109} 1110 1111static void 1112asmc_sms_task(void *arg, int pending) 1113{ 1114 struct asmc_softc *sc = (struct asmc_softc *)arg; 1115 char notify[16]; 1116 int type; 1117 1118 switch (sc->sc_sms_intrtype) { 1119 case ASMC_SMS_INTFF: 1120 type = 2; 1121 break; 1122 case ASMC_SMS_INTHA: 1123 type = 1; 1124 break; 1125 case ASMC_SMS_INTSH: 1126 type = 0; 1127 break; 1128 default: 1129 type = 255; 1130 } 1131 1132 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1133 devctl_notify("ACPI", "asmc", "SMS", notify); 1134} 1135 1136static int 1137asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1138{ 1139 device_t dev = (device_t) arg1; 1140 int error; 1141 int16_t val; 1142 int32_t v; 1143 1144 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1145 v = (int32_t) val; 1146 error = sysctl_handle_int(oidp, &v, 0, req); 1147 1148 return (error); 1149} 1150 1151static int 1152asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1153{ 1154 device_t dev = (device_t) arg1; 1155 int error; 1156 int16_t val; 1157 int32_t v; 1158 1159 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1160 v = (int32_t) val; 1161 error = sysctl_handle_int(oidp, &v, 0, req); 1162 1163 return (error); 1164} 1165 1166static int 1167asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1168{ 1169 device_t dev = (device_t) arg1; 1170 int error; 1171 int16_t val; 1172 int32_t v; 1173 1174 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1175 v = (int32_t) val; 1176 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1177 1178 return (error); 1179} 1180 1181static int 1182asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1183{ 1184 device_t dev = (device_t) arg1; 1185 uint8_t buf[6]; 1186 int error; 1187 int32_t v; 1188 1189 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, 6); 1190 v = buf[2]; 1191 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1192 1193 return (error); 1194} 1195 1196static int 1197asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1198{ 1199 device_t dev = (device_t) arg1; 1200 uint8_t buf[6]; 1201 int error; 1202 int32_t v; 1203 1204 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, 6); 1205 v = buf[2]; 1206 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1207 1208 return (error); 1209} 1210 1211static int 1212asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1213{ 1214 device_t dev = (device_t) arg1; 1215 uint8_t buf[2]; 1216 int error; 1217 unsigned int level; 1218 static int32_t v; 1219 1220 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1221 if (error == 0 && req->newptr != NULL) { 1222 level = *(unsigned int *)req->newptr; 1223 if (level > 255) 1224 return (EINVAL); 1225 v = level; 1226 buf[0] = level; 1227 buf[1] = 0x00; 1228 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, 2); 1229 } 1230 1231 return (error); 1232}
| 296 if (ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids) == NULL) 297 return (ENXIO); 298 299 model = asmc_match(dev); 300 if (!model) { 301 device_printf(dev, "model not recognized\n"); 302 return (ENXIO); 303 } 304 device_set_desc(dev, model->smc_desc); 305 306 return (BUS_PROBE_DEFAULT); 307} 308 309static int 310asmc_attach(device_t dev) 311{ 312 int i, j; 313 int ret; 314 char name[2]; 315 struct asmc_softc *sc = device_get_softc(dev); 316 struct sysctl_ctx_list *sysctlctx; 317 struct sysctl_oid *sysctlnode; 318 struct asmc_model *model; 319 320 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 321 &sc->sc_rid_port, RF_ACTIVE); 322 if (sc->sc_ioport == NULL) { 323 device_printf(dev, "unable to allocate IO port\n"); 324 return (ENOMEM); 325 } 326 327 sysctlctx = device_get_sysctl_ctx(dev); 328 sysctlnode = device_get_sysctl_tree(dev); 329 330 model = asmc_match(dev); 331 332 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 333 334 sc->sc_model = model; 335 asmc_init(dev); 336 337 /* 338 * dev.asmc.n.fan.* tree. 339 */ 340 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 341 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 342 CTLFLAG_RD, 0, "Fan Root Tree"); 343 344 for (i = 1; i <= sc->sc_nfan; i++) { 345 j = i - 1; 346 name[0] = '0' + j; 347 name[1] = 0; 348 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 349 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 350 OID_AUTO, name, CTLFLAG_RD, 0, 351 "Fan Subtree"); 352 353 SYSCTL_ADD_PROC(sysctlctx, 354 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 355 OID_AUTO, "speed", CTLTYPE_INT | CTLFLAG_RD, 356 dev, j, model->smc_fan_speed, "I", 357 "Fan speed in RPM"); 358 359 SYSCTL_ADD_PROC(sysctlctx, 360 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 361 OID_AUTO, "safespeed", 362 CTLTYPE_INT | CTLFLAG_RD, 363 dev, j, model->smc_fan_safespeed, "I", 364 "Fan safe speed in RPM"); 365 366 SYSCTL_ADD_PROC(sysctlctx, 367 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 368 OID_AUTO, "minspeed", 369 CTLTYPE_INT | CTLFLAG_RD, 370 dev, j, model->smc_fan_minspeed, "I", 371 "Fan minimum speed in RPM"); 372 373 SYSCTL_ADD_PROC(sysctlctx, 374 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 375 OID_AUTO, "maxspeed", 376 CTLTYPE_INT | CTLFLAG_RD, 377 dev, j, model->smc_fan_maxspeed, "I", 378 "Fan maximum speed in RPM"); 379 380 SYSCTL_ADD_PROC(sysctlctx, 381 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 382 OID_AUTO, "targetspeed", 383 CTLTYPE_INT | CTLFLAG_RD, 384 dev, j, model->smc_fan_targetspeed, "I", 385 "Fan target speed in RPM"); 386 } 387 388 /* 389 * dev.asmc.n.temp tree. 390 */ 391 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 392 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 393 CTLFLAG_RD, 0, "Temperature sensors"); 394 395 for (i = 0; model->smc_temps[i]; i++) { 396 SYSCTL_ADD_PROC(sysctlctx, 397 SYSCTL_CHILDREN(sc->sc_temp_tree), 398 OID_AUTO, model->smc_tempnames[i], 399 CTLTYPE_INT | CTLFLAG_RD, 400 dev, i, asmc_temp_sysctl, "I", 401 model->smc_tempdescs[i]); 402 } 403 404 /* 405 * dev.asmc.n.light 406 */ 407 if (model->smc_light_left) { 408 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 409 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 410 CTLFLAG_RD, 0, "Keyboard backlight sensors"); 411 412 SYSCTL_ADD_PROC(sysctlctx, 413 SYSCTL_CHILDREN(sc->sc_light_tree), 414 OID_AUTO, "left", CTLTYPE_INT | CTLFLAG_RD, 415 dev, 0, model->smc_light_left, "I", 416 "Keyboard backlight left sensor"); 417 418 SYSCTL_ADD_PROC(sysctlctx, 419 SYSCTL_CHILDREN(sc->sc_light_tree), 420 OID_AUTO, "right", CTLTYPE_INT | CTLFLAG_RD, 421 dev, 0, model->smc_light_right, "I", 422 "Keyboard backlight right sensor"); 423 424 SYSCTL_ADD_PROC(sysctlctx, 425 SYSCTL_CHILDREN(sc->sc_light_tree), 426 OID_AUTO, "control", 427 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY, 428 dev, 0, model->smc_light_control, "I", 429 "Keyboard backlight brightness control"); 430 } 431 432 if (model->smc_sms_x == NULL) 433 goto nosms; 434 435 /* 436 * dev.asmc.n.sms tree. 437 */ 438 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 439 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 440 CTLFLAG_RD, 0, "Sudden Motion Sensor"); 441 442 SYSCTL_ADD_PROC(sysctlctx, 443 SYSCTL_CHILDREN(sc->sc_sms_tree), 444 OID_AUTO, "x", CTLTYPE_INT | CTLFLAG_RD, 445 dev, 0, model->smc_sms_x, "I", 446 "Sudden Motion Sensor X value"); 447 448 SYSCTL_ADD_PROC(sysctlctx, 449 SYSCTL_CHILDREN(sc->sc_sms_tree), 450 OID_AUTO, "y", CTLTYPE_INT | CTLFLAG_RD, 451 dev, 0, model->smc_sms_y, "I", 452 "Sudden Motion Sensor Y value"); 453 454 SYSCTL_ADD_PROC(sysctlctx, 455 SYSCTL_CHILDREN(sc->sc_sms_tree), 456 OID_AUTO, "z", CTLTYPE_INT | CTLFLAG_RD, 457 dev, 0, model->smc_sms_z, "I", 458 "Sudden Motion Sensor Z value"); 459 460 /* 461 * Need a taskqueue to send devctl_notify() events 462 * when the SMS interrupt us. 463 * 464 * PI_REALTIME is used due to the sensitivity of the 465 * interrupt. An interrupt from the SMS means that the 466 * disk heads should be turned off as quickly as possible. 467 * 468 * We only need to do this for the non INTR_FILTER case. 469 */ 470 sc->sc_sms_tq = NULL; 471#ifndef INTR_FILTER 472 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 473 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 474 taskqueue_thread_enqueue, &sc->sc_sms_tq); 475 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 476 device_get_nameunit(dev)); 477#endif 478 /* 479 * Allocate an IRQ for the SMS. 480 */ 481 sc->sc_rid_irq = 0; 482 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 483 &sc->sc_rid_irq, RF_ACTIVE); 484 if (sc->sc_irq == NULL) { 485 device_printf(dev, "unable to allocate IRQ resource\n"); 486 ret = ENXIO; 487 goto err2; 488 } 489 490 ret = bus_setup_intr(dev, sc->sc_irq, 491 INTR_TYPE_MISC | INTR_MPSAFE, 492#ifdef INTR_FILTER 493 asmc_sms_intrfast, asmc_sms_handler, 494#else 495 asmc_sms_intrfast, NULL, 496#endif 497 dev, &sc->sc_cookie); 498 499 if (ret) { 500 device_printf(dev, "unable to setup SMS IRQ\n"); 501 goto err1; 502 } 503nosms: 504 return (0); 505err1: 506 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 507err2: 508 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 509 sc->sc_ioport); 510 mtx_destroy(&sc->sc_mtx); 511 if (sc->sc_sms_tq) 512 taskqueue_free(sc->sc_sms_tq); 513 514 return (ret); 515} 516 517static int 518asmc_detach(device_t dev) 519{ 520 struct asmc_softc *sc = device_get_softc(dev); 521 522 if (sc->sc_sms_tq) { 523 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 524 taskqueue_free(sc->sc_sms_tq); 525 } 526 if (sc->sc_cookie) 527 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 528 if (sc->sc_irq) 529 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 530 sc->sc_irq); 531 if (sc->sc_ioport) 532 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 533 sc->sc_ioport); 534 mtx_destroy(&sc->sc_mtx); 535 536 return (0); 537} 538 539#ifdef DEBUG 540void asmc_dumpall(device_t dev) 541{ 542 int i; 543 544 /* XXX magic number */ 545 for (i=0; i < 0x100; i++) 546 asmc_key_dump(dev, i); 547} 548#endif 549 550static int 551asmc_init(device_t dev) 552{ 553 struct asmc_softc *sc = device_get_softc(dev); 554 int i, error = 1; 555 uint8_t buf[4]; 556 557 if (sc->sc_model->smc_sms_x == NULL) 558 goto nosms; 559 560 /* 561 * We are ready to recieve interrupts from the SMS. 562 */ 563 buf[0] = 0x01; 564 ASMC_DPRINTF(("intok key\n")); 565 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 566 DELAY(50); 567 568 /* 569 * Initiate the polling intervals. 570 */ 571 buf[0] = 20; /* msecs */ 572 ASMC_DPRINTF(("low int key\n")); 573 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 574 DELAY(200); 575 576 buf[0] = 20; /* msecs */ 577 ASMC_DPRINTF(("high int key\n")); 578 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 579 DELAY(200); 580 581 buf[0] = 0x00; 582 buf[1] = 0x60; 583 ASMC_DPRINTF(("sms low key\n")); 584 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 585 DELAY(200); 586 587 buf[0] = 0x01; 588 buf[1] = 0xc0; 589 ASMC_DPRINTF(("sms high key\n")); 590 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 591 DELAY(200); 592 593 /* 594 * I'm not sure what this key does, but it seems to be 595 * required. 596 */ 597 buf[0] = 0x01; 598 ASMC_DPRINTF(("sms flag key\n")); 599 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 600 DELAY(100); 601 602 sc->sc_sms_intr_works = 0; 603 604 /* 605 * Retry SMS initialization 1000 times 606 * (takes approx. 2 seconds in worst case) 607 */ 608 for (i = 0; i < 1000; i++) { 609 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 610 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 611 error = 0; 612 sc->sc_sms_intr_works = 1; 613 goto out; 614 } 615 buf[0] = ASMC_SMS_INIT1; 616 buf[1] = ASMC_SMS_INIT2; 617 ASMC_DPRINTF(("sms key\n")); 618 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 619 DELAY(50); 620 } 621 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 622 623out: 624 asmc_sms_calibrate(dev); 625nosms: 626 sc->sc_nfan = asmc_fan_count(dev); 627 if (sc->sc_nfan > ASMC_MAXFANS) { 628 device_printf(dev, "more than %d fans were detected. Please " 629 "report this.\n", ASMC_MAXFANS); 630 sc->sc_nfan = ASMC_MAXFANS; 631 } 632 633 if (bootverbose) { 634 /* 635 * XXX: The number of keys is a 32 bit buffer, but 636 * right now Apple only uses the last 8 bit. 637 */ 638 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 639 device_printf(dev, "number of keys: %d\n", buf[3]); 640 } 641 642#ifdef DEBUG 643 asmc_dumpall(dev); 644#endif 645 646 return (error); 647} 648 649/* 650 * We need to make sure that the SMC acks the byte sent. 651 * Just wait up to (amount * 10) ms. 652 */ 653static int 654asmc_wait_ack(device_t dev, uint8_t val, int amount) 655{ 656 struct asmc_softc *sc = device_get_softc(dev); 657 u_int i; 658 659 val = val & ASMC_STATUS_MASK; 660 661 for (i = 0; i < amount; i++) { 662 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 663 return (0); 664 DELAY(10); 665 } 666 667 return (1); 668} 669 670/* 671 * We need to make sure that the SMC acks the byte sent. 672 * Just wait up to 100 ms. 673 */ 674static int 675asmc_wait(device_t dev, uint8_t val) 676{ 677 struct asmc_softc *sc; 678 679 if (asmc_wait_ack(dev, val, 1000) == 0) 680 return (0); 681 682 sc = device_get_softc(dev); 683 val = val & ASMC_STATUS_MASK; 684 685#ifdef DEBUG 686 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 687 ASMC_CMDPORT_READ(sc)); 688#endif 689 return (1); 690} 691 692/* 693 * Send the given command, retrying up to 10 times if 694 * the acknowledgement fails. 695 */ 696static int 697asmc_command(device_t dev, uint8_t command) { 698 699 int i; 700 struct asmc_softc *sc = device_get_softc(dev); 701 702 for (i=0; i < 10; i++) { 703 ASMC_CMDPORT_WRITE(sc, command); 704 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 705 return (0); 706 } 707 } 708 709#ifdef DEBUG 710 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 711 ASMC_CMDPORT_READ(sc)); 712#endif 713 return (1); 714} 715 716static int 717asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 718{ 719 int i, error = 1, try = 0; 720 struct asmc_softc *sc = device_get_softc(dev); 721 722 mtx_lock_spin(&sc->sc_mtx); 723 724begin: 725 if (asmc_command(dev, ASMC_CMDREAD)) 726 goto out; 727 728 for (i = 0; i < 4; i++) { 729 ASMC_DATAPORT_WRITE(sc, key[i]); 730 if (asmc_wait(dev, 0x04)) 731 goto out; 732 } 733 734 ASMC_DATAPORT_WRITE(sc, len); 735 736 for (i = 0; i < len; i++) { 737 if (asmc_wait(dev, 0x05)) 738 goto out; 739 buf[i] = ASMC_DATAPORT_READ(sc); 740 } 741 742 error = 0; 743out: 744 if (error) { 745 if (++try < 10) goto begin; 746 device_printf(dev,"%s for key %s failed %d times, giving up\n", 747 __func__, key, try); 748 } 749 750 mtx_unlock_spin(&sc->sc_mtx); 751 752 return (error); 753} 754 755#ifdef DEBUG 756static int 757asmc_key_dump(device_t dev, int number) 758{ 759 struct asmc_softc *sc = device_get_softc(dev); 760 char key[5] = { 0 }; 761 char type[7] = { 0 }; 762 uint8_t index[4]; 763 uint8_t v[32]; 764 uint8_t maxlen; 765 int i, error = 1, try = 0; 766 767 mtx_lock_spin(&sc->sc_mtx); 768 769 index[0] = (number >> 24) & 0xff; 770 index[1] = (number >> 16) & 0xff; 771 index[2] = (number >> 8) & 0xff; 772 index[3] = (number) & 0xff; 773 774begin: 775 if (asmc_command(dev, 0x12)) 776 goto out; 777 778 for (i = 0; i < 4; i++) { 779 ASMC_DATAPORT_WRITE(sc, index[i]); 780 if (asmc_wait(dev, 0x04)) 781 goto out; 782 } 783 784 ASMC_DATAPORT_WRITE(sc, 4); 785 786 for (i = 0; i < 4; i++) { 787 if (asmc_wait(dev, 0x05)) 788 goto out; 789 key[i] = ASMC_DATAPORT_READ(sc); 790 } 791 792 /* get type */ 793 if (asmc_command(dev, 0x13)) 794 goto out; 795 796 for (i = 0; i < 4; i++) { 797 ASMC_DATAPORT_WRITE(sc, key[i]); 798 if (asmc_wait(dev, 0x04)) 799 goto out; 800 } 801 802 ASMC_DATAPORT_WRITE(sc, 6); 803 804 for (i = 0; i < 6; i++) { 805 if (asmc_wait(dev, 0x05)) 806 goto out; 807 type[i] = ASMC_DATAPORT_READ(sc); 808 } 809 810 error = 0; 811out: 812 if (error) { 813 if (++try < 10) goto begin; 814 device_printf(dev,"%s for key %s failed %d times, giving up\n", 815 __func__, key, try); 816 mtx_unlock_spin(&sc->sc_mtx); 817 } 818 else { 819 char buf[1024]; 820 char buf2[8]; 821 mtx_unlock_spin(&sc->sc_mtx); 822 maxlen = type[0]; 823 type[0] = ' '; 824 type[5] = 0; 825 if (maxlen > sizeof(v)) { 826 device_printf(dev, 827 "WARNING: cropping maxlen from %d to %zu\n", 828 maxlen, sizeof(v)); 829 maxlen = sizeof(v); 830 } 831 for (i = 0; i < sizeof(v); i++) { 832 v[i] = 0; 833 } 834 asmc_key_read(dev, key, v, maxlen); 835 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 836 "(len %d), data", number, key, type, maxlen); 837 for (i = 0; i < maxlen; i++) { 838 snprintf(buf2, sizeof(buf), " %02x", v[i]); 839 strlcat(buf, buf2, sizeof(buf)); 840 } 841 strlcat(buf, " \n", sizeof(buf)); 842 device_printf(dev, buf); 843 } 844 845 return (error); 846} 847#endif 848 849static int 850asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 851{ 852 int i, error = -1, try = 0; 853 struct asmc_softc *sc = device_get_softc(dev); 854 855 mtx_lock_spin(&sc->sc_mtx); 856 857begin: 858 ASMC_DPRINTF(("cmd port: cmd write\n")); 859 if (asmc_command(dev, ASMC_CMDWRITE)) 860 goto out; 861 862 ASMC_DPRINTF(("data port: key\n")); 863 for (i = 0; i < 4; i++) { 864 ASMC_DATAPORT_WRITE(sc, key[i]); 865 if (asmc_wait(dev, 0x04)) 866 goto out; 867 } 868 ASMC_DPRINTF(("data port: length\n")); 869 ASMC_DATAPORT_WRITE(sc, len); 870 871 ASMC_DPRINTF(("data port: buffer\n")); 872 for (i = 0; i < len; i++) { 873 if (asmc_wait(dev, 0x04)) 874 goto out; 875 ASMC_DATAPORT_WRITE(sc, buf[i]); 876 } 877 878 error = 0; 879out: 880 if (error) { 881 if (++try < 10) goto begin; 882 device_printf(dev,"%s for key %s failed %d times, giving up\n", 883 __func__, key, try); 884 } 885 886 mtx_unlock_spin(&sc->sc_mtx); 887 888 return (error); 889 890} 891 892/* 893 * Fan control functions. 894 */ 895static int 896asmc_fan_count(device_t dev) 897{ 898 uint8_t buf[1]; 899 900 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, 1) < 0) 901 return (-1); 902 903 return (buf[0]); 904} 905 906static int 907asmc_fan_getvalue(device_t dev, const char *key, int fan) 908{ 909 int speed; 910 uint8_t buf[2]; 911 char fankey[5]; 912 913 snprintf(fankey, sizeof(fankey), key, fan); 914 if (asmc_key_read(dev, fankey, buf, 2) < 0) 915 return (-1); 916 speed = (buf[0] << 6) | (buf[1] >> 2); 917 918 return (speed); 919} 920 921static int 922asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 923{ 924 device_t dev = (device_t) arg1; 925 int fan = arg2; 926 int error; 927 int32_t v; 928 929 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 930 error = sysctl_handle_int(oidp, &v, 0, req); 931 932 return (error); 933} 934 935static int 936asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 937{ 938 device_t dev = (device_t) arg1; 939 int fan = arg2; 940 int error; 941 int32_t v; 942 943 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 944 error = sysctl_handle_int(oidp, &v, 0, req); 945 946 return (error); 947} 948 949 950static int 951asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 952{ 953 device_t dev = (device_t) arg1; 954 int fan = arg2; 955 int error; 956 int32_t v; 957 958 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 959 error = sysctl_handle_int(oidp, &v, 0, req); 960 961 return (error); 962} 963 964static int 965asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 966{ 967 device_t dev = (device_t) arg1; 968 int fan = arg2; 969 int error; 970 int32_t v; 971 972 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 973 error = sysctl_handle_int(oidp, &v, 0, req); 974 975 return (error); 976} 977 978static int 979asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 980{ 981 device_t dev = (device_t) arg1; 982 int fan = arg2; 983 int error; 984 int32_t v; 985 986 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 987 error = sysctl_handle_int(oidp, &v, 0, req); 988 989 return (error); 990} 991 992/* 993 * Temperature functions. 994 */ 995static int 996asmc_temp_getvalue(device_t dev, const char *key) 997{ 998 uint8_t buf[2]; 999 1000 /* 1001 * Check for invalid temperatures. 1002 */ 1003 if (asmc_key_read(dev, key, buf, 2) < 0) 1004 return (-1); 1005 1006 return (buf[0]); 1007} 1008 1009static int 1010asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1011{ 1012 device_t dev = (device_t) arg1; 1013 struct asmc_softc *sc = device_get_softc(dev); 1014 int error, val; 1015 1016 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1017 error = sysctl_handle_int(oidp, &val, 0, req); 1018 1019 return (error); 1020} 1021 1022/* 1023 * Sudden Motion Sensor functions. 1024 */ 1025static int 1026asmc_sms_read(device_t dev, const char *key, int16_t *val) 1027{ 1028 uint8_t buf[2]; 1029 int error; 1030 1031 /* no need to do locking here as asmc_key_read() already does it */ 1032 switch (key[3]) { 1033 case 'X': 1034 case 'Y': 1035 case 'Z': 1036 error = asmc_key_read(dev, key, buf, 2); 1037 break; 1038 default: 1039 device_printf(dev, "%s called with invalid argument %s\n", 1040 __func__, key); 1041 error = 1; 1042 goto out; 1043 } 1044 *val = ((int16_t)buf[0] << 8) | buf[1]; 1045out: 1046 return (error); 1047} 1048 1049static void 1050asmc_sms_calibrate(device_t dev) 1051{ 1052 struct asmc_softc *sc = device_get_softc(dev); 1053 1054 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1055 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1056 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1057} 1058 1059static int 1060asmc_sms_intrfast(void *arg) 1061{ 1062 uint8_t type; 1063 device_t dev = (device_t) arg; 1064 struct asmc_softc *sc = device_get_softc(dev); 1065 if (!sc->sc_sms_intr_works) 1066 return (FILTER_HANDLED); 1067 1068 mtx_lock_spin(&sc->sc_mtx); 1069 type = ASMC_INTPORT_READ(sc); 1070 mtx_unlock_spin(&sc->sc_mtx); 1071 1072 sc->sc_sms_intrtype = type; 1073 asmc_sms_printintr(dev, type); 1074 1075#ifdef INTR_FILTER 1076 return (FILTER_SCHEDULE_THREAD | FILTER_HANDLED); 1077#else 1078 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1079#endif 1080 return (FILTER_HANDLED); 1081} 1082 1083#ifdef INTR_FILTER 1084static void 1085asmc_sms_handler(void *arg) 1086{ 1087 struct asmc_softc *sc = device_get_softc(arg); 1088 1089 asmc_sms_task(sc, 0); 1090} 1091#endif 1092 1093 1094static void 1095asmc_sms_printintr(device_t dev, uint8_t type) 1096{ 1097 1098 switch (type) { 1099 case ASMC_SMS_INTFF: 1100 device_printf(dev, "WARNING: possible free fall!\n"); 1101 break; 1102 case ASMC_SMS_INTHA: 1103 device_printf(dev, "WARNING: high acceleration detected!\n"); 1104 break; 1105 case ASMC_SMS_INTSH: 1106 device_printf(dev, "WARNING: possible shock!\n"); 1107 break; 1108 default: 1109 device_printf(dev, "%s unknown interrupt\n", __func__); 1110 } 1111} 1112 1113static void 1114asmc_sms_task(void *arg, int pending) 1115{ 1116 struct asmc_softc *sc = (struct asmc_softc *)arg; 1117 char notify[16]; 1118 int type; 1119 1120 switch (sc->sc_sms_intrtype) { 1121 case ASMC_SMS_INTFF: 1122 type = 2; 1123 break; 1124 case ASMC_SMS_INTHA: 1125 type = 1; 1126 break; 1127 case ASMC_SMS_INTSH: 1128 type = 0; 1129 break; 1130 default: 1131 type = 255; 1132 } 1133 1134 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1135 devctl_notify("ACPI", "asmc", "SMS", notify); 1136} 1137 1138static int 1139asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1140{ 1141 device_t dev = (device_t) arg1; 1142 int error; 1143 int16_t val; 1144 int32_t v; 1145 1146 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1147 v = (int32_t) val; 1148 error = sysctl_handle_int(oidp, &v, 0, req); 1149 1150 return (error); 1151} 1152 1153static int 1154asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1155{ 1156 device_t dev = (device_t) arg1; 1157 int error; 1158 int16_t val; 1159 int32_t v; 1160 1161 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1162 v = (int32_t) val; 1163 error = sysctl_handle_int(oidp, &v, 0, req); 1164 1165 return (error); 1166} 1167 1168static int 1169asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1170{ 1171 device_t dev = (device_t) arg1; 1172 int error; 1173 int16_t val; 1174 int32_t v; 1175 1176 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1177 v = (int32_t) val; 1178 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1179 1180 return (error); 1181} 1182 1183static int 1184asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1185{ 1186 device_t dev = (device_t) arg1; 1187 uint8_t buf[6]; 1188 int error; 1189 int32_t v; 1190 1191 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, 6); 1192 v = buf[2]; 1193 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1194 1195 return (error); 1196} 1197 1198static int 1199asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1200{ 1201 device_t dev = (device_t) arg1; 1202 uint8_t buf[6]; 1203 int error; 1204 int32_t v; 1205 1206 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, 6); 1207 v = buf[2]; 1208 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1209 1210 return (error); 1211} 1212 1213static int 1214asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1215{ 1216 device_t dev = (device_t) arg1; 1217 uint8_t buf[2]; 1218 int error; 1219 unsigned int level; 1220 static int32_t v; 1221 1222 error = sysctl_handle_int(oidp, &v, sizeof(v), req); 1223 if (error == 0 && req->newptr != NULL) { 1224 level = *(unsigned int *)req->newptr; 1225 if (level > 255) 1226 return (EINVAL); 1227 v = level; 1228 buf[0] = level; 1229 buf[1] = 0x00; 1230 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, 2); 1231 } 1232 1233 return (error); 1234}
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