1184299Snwhitehorn/*- 2184299Snwhitehorn * Copyright (c) 2006 Michael Lorenz 3184299Snwhitehorn * Copyright 2008 by Nathan Whitehorn 4184299Snwhitehorn * All rights reserved. 5184299Snwhitehorn * 6184299Snwhitehorn * Redistribution and use in source and binary forms, with or without 7184299Snwhitehorn * modification, are permitted provided that the following conditions 8184299Snwhitehorn * are met: 9184299Snwhitehorn * 1. Redistributions of source code must retain the above copyright 10184299Snwhitehorn * notice, this list of conditions and the following disclaimer. 11184299Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 12184299Snwhitehorn * notice, this list of conditions and the following disclaimer in the 13184299Snwhitehorn * documentation and/or other materials provided with the distribution. 14184299Snwhitehorn * 15184299Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16184299Snwhitehorn * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17184299Snwhitehorn * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18184299Snwhitehorn * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19184299Snwhitehorn * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20184299Snwhitehorn * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21184299Snwhitehorn * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22184299Snwhitehorn * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23184299Snwhitehorn * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184299Snwhitehorn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184299Snwhitehorn * SUCH DAMAGE. 26184299Snwhitehorn * 27184299Snwhitehorn */ 28184299Snwhitehorn 29184299Snwhitehorn#include <sys/cdefs.h> 30184299Snwhitehorn__FBSDID("$FreeBSD$"); 31184299Snwhitehorn 32184299Snwhitehorn#include <sys/param.h> 33184299Snwhitehorn#include <sys/systm.h> 34184299Snwhitehorn#include <sys/module.h> 35184299Snwhitehorn#include <sys/bus.h> 36184299Snwhitehorn#include <sys/conf.h> 37184299Snwhitehorn#include <sys/kernel.h> 38205506Snwhitehorn#include <sys/clock.h> 39212054Snwhitehorn#include <sys/reboot.h> 40185727Snwhitehorn#include <sys/sysctl.h> 41184299Snwhitehorn 42184299Snwhitehorn#include <dev/ofw/ofw_bus.h> 43184299Snwhitehorn#include <dev/ofw/openfirm.h> 44185782Snwhitehorn#include <dev/led/led.h> 45184299Snwhitehorn 46184299Snwhitehorn#include <machine/bus.h> 47184299Snwhitehorn#include <machine/intr_machdep.h> 48184299Snwhitehorn#include <machine/md_var.h> 49184299Snwhitehorn#include <machine/pio.h> 50184299Snwhitehorn#include <machine/resource.h> 51184299Snwhitehorn 52184299Snwhitehorn#include <vm/vm.h> 53184299Snwhitehorn#include <vm/pmap.h> 54184299Snwhitehorn 55184299Snwhitehorn#include <sys/rman.h> 56184299Snwhitehorn 57184299Snwhitehorn#include <dev/adb/adb.h> 58184299Snwhitehorn 59205506Snwhitehorn#include "clock_if.h" 60184299Snwhitehorn#include "pmuvar.h" 61184299Snwhitehorn#include "viareg.h" 62184299Snwhitehorn 63184299Snwhitehorn/* 64205506Snwhitehorn * Bus interface 65184299Snwhitehorn */ 66184299Snwhitehornstatic int pmu_probe(device_t); 67184299Snwhitehornstatic int pmu_attach(device_t); 68184299Snwhitehornstatic int pmu_detach(device_t); 69184299Snwhitehorn 70205506Snwhitehorn/* 71205506Snwhitehorn * Clock interface 72205506Snwhitehorn */ 73205506Snwhitehornstatic int pmu_gettime(device_t dev, struct timespec *ts); 74205506Snwhitehornstatic int pmu_settime(device_t dev, struct timespec *ts); 75205506Snwhitehorn 76205506Snwhitehorn/* 77205506Snwhitehorn * ADB Interface 78205506Snwhitehorn */ 79205506Snwhitehorn 80185727Snwhitehornstatic u_int pmu_adb_send(device_t dev, u_char command_byte, int len, 81185754Snwhitehorn u_char *data, u_char poll); 82185727Snwhitehornstatic u_int pmu_adb_autopoll(device_t dev, uint16_t mask); 83194027Savgstatic u_int pmu_poll(device_t dev); 84185754Snwhitehorn 85212054Snwhitehorn/* 86212054Snwhitehorn * Power interface 87212054Snwhitehorn */ 88212054Snwhitehorn 89212054Snwhitehornstatic void pmu_shutdown(void *xsc, int howto); 90185782Snwhitehornstatic void pmu_set_sleepled(void *xsc, int onoff); 91185727Snwhitehornstatic int pmu_server_mode(SYSCTL_HANDLER_ARGS); 92193159Snwhitehornstatic int pmu_acline_state(SYSCTL_HANDLER_ARGS); 93185754Snwhitehornstatic int pmu_query_battery(struct pmu_softc *sc, int batt, 94185754Snwhitehorn struct pmu_battstate *info); 95185754Snwhitehornstatic int pmu_battquery_sysctl(SYSCTL_HANDLER_ARGS); 96184299Snwhitehorn 97185754Snwhitehorn/* 98185754Snwhitehorn * List of battery-related sysctls we might ask for 99185754Snwhitehorn */ 100185754Snwhitehorn 101185754Snwhitehornenum { 102185754Snwhitehorn PMU_BATSYSCTL_PRESENT = 1 << 8, 103185754Snwhitehorn PMU_BATSYSCTL_CHARGING = 2 << 8, 104185754Snwhitehorn PMU_BATSYSCTL_CHARGE = 3 << 8, 105185754Snwhitehorn PMU_BATSYSCTL_MAXCHARGE = 4 << 8, 106185754Snwhitehorn PMU_BATSYSCTL_CURRENT = 5 << 8, 107185754Snwhitehorn PMU_BATSYSCTL_VOLTAGE = 6 << 8, 108185754Snwhitehorn PMU_BATSYSCTL_TIME = 7 << 8, 109185754Snwhitehorn PMU_BATSYSCTL_LIFE = 8 << 8 110185754Snwhitehorn}; 111185754Snwhitehorn 112184299Snwhitehornstatic device_method_t pmu_methods[] = { 113184299Snwhitehorn /* Device interface */ 114184299Snwhitehorn DEVMETHOD(device_probe, pmu_probe), 115184299Snwhitehorn DEVMETHOD(device_attach, pmu_attach), 116184299Snwhitehorn DEVMETHOD(device_detach, pmu_detach), 117184299Snwhitehorn DEVMETHOD(device_shutdown, bus_generic_shutdown), 118184299Snwhitehorn DEVMETHOD(device_suspend, bus_generic_suspend), 119184299Snwhitehorn DEVMETHOD(device_resume, bus_generic_resume), 120184299Snwhitehorn 121184299Snwhitehorn /* ADB bus interface */ 122184299Snwhitehorn DEVMETHOD(adb_hb_send_raw_packet, pmu_adb_send), 123184299Snwhitehorn DEVMETHOD(adb_hb_controller_poll, pmu_poll), 124184299Snwhitehorn DEVMETHOD(adb_hb_set_autopoll_mask, pmu_adb_autopoll), 125184299Snwhitehorn 126205506Snwhitehorn /* Clock interface */ 127205506Snwhitehorn DEVMETHOD(clock_gettime, pmu_gettime), 128205506Snwhitehorn DEVMETHOD(clock_settime, pmu_settime), 129205506Snwhitehorn 130229093Shselasky DEVMETHOD_END 131184299Snwhitehorn}; 132184299Snwhitehorn 133184299Snwhitehornstatic driver_t pmu_driver = { 134184299Snwhitehorn "pmu", 135184299Snwhitehorn pmu_methods, 136184299Snwhitehorn sizeof(struct pmu_softc), 137184299Snwhitehorn}; 138184299Snwhitehorn 139184299Snwhitehornstatic devclass_t pmu_devclass; 140184299Snwhitehorn 141184299SnwhitehornDRIVER_MODULE(pmu, macio, pmu_driver, pmu_devclass, 0, 0); 142184299SnwhitehornDRIVER_MODULE(adb, pmu, adb_driver, adb_devclass, 0, 0); 143184299Snwhitehorn 144184299Snwhitehornstatic int pmuextint_probe(device_t); 145184299Snwhitehornstatic int pmuextint_attach(device_t); 146184299Snwhitehorn 147184299Snwhitehornstatic device_method_t pmuextint_methods[] = { 148184299Snwhitehorn /* Device interface */ 149184299Snwhitehorn DEVMETHOD(device_probe, pmuextint_probe), 150184299Snwhitehorn DEVMETHOD(device_attach, pmuextint_attach), 151184299Snwhitehorn 152184299Snwhitehorn {0,0} 153184299Snwhitehorn}; 154184299Snwhitehorn 155184299Snwhitehornstatic driver_t pmuextint_driver = { 156184299Snwhitehorn "pmuextint", 157184299Snwhitehorn pmuextint_methods, 158184299Snwhitehorn 0 159184299Snwhitehorn}; 160184299Snwhitehorn 161184299Snwhitehornstatic devclass_t pmuextint_devclass; 162184299Snwhitehorn 163184299SnwhitehornDRIVER_MODULE(pmuextint, macgpio, pmuextint_driver, pmuextint_devclass, 0, 0); 164184299Snwhitehorn 165184299Snwhitehorn/* Make sure uhid is loaded, as it turns off some of the ADB emulation */ 166184299SnwhitehornMODULE_DEPEND(pmu, usb, 1, 1, 1); 167184299Snwhitehorn 168184299Snwhitehornstatic void pmu_intr(void *arg); 169184299Snwhitehornstatic void pmu_in(struct pmu_softc *sc); 170184299Snwhitehornstatic void pmu_out(struct pmu_softc *sc); 171184299Snwhitehornstatic void pmu_ack_on(struct pmu_softc *sc); 172184299Snwhitehornstatic void pmu_ack_off(struct pmu_softc *sc); 173184299Snwhitehornstatic int pmu_send(void *cookie, int cmd, int length, uint8_t *in_msg, 174184299Snwhitehorn int rlen, uint8_t *out_msg); 175184299Snwhitehornstatic uint8_t pmu_read_reg(struct pmu_softc *sc, u_int offset); 176184299Snwhitehornstatic void pmu_write_reg(struct pmu_softc *sc, u_int offset, uint8_t value); 177184299Snwhitehornstatic int pmu_intr_state(struct pmu_softc *); 178184299Snwhitehorn 179184299Snwhitehorn/* these values shows that number of data returned after 'send' cmd is sent */ 180184299Snwhitehornstatic signed char pm_send_cmd_type[] = { 181184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 182184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 183184299Snwhitehorn 0x01, 0x01, -1, -1, -1, -1, -1, -1, 184184299Snwhitehorn 0x00, 0x00, -1, -1, -1, -1, -1, 0x00, 185184299Snwhitehorn -1, 0x00, 0x02, 0x01, 0x01, -1, -1, -1, 186184299Snwhitehorn 0x00, -1, -1, -1, -1, -1, -1, -1, 187184299Snwhitehorn 0x04, 0x14, -1, 0x03, -1, -1, -1, -1, 188184299Snwhitehorn 0x00, 0x00, 0x02, 0x02, -1, -1, -1, -1, 189184299Snwhitehorn 0x01, 0x01, -1, -1, -1, -1, -1, -1, 190184299Snwhitehorn 0x00, 0x00, -1, -1, 0x01, -1, -1, -1, 191184299Snwhitehorn 0x01, 0x00, 0x02, 0x02, -1, 0x01, 0x03, 0x01, 192184299Snwhitehorn 0x00, 0x01, 0x00, 0x00, 0x00, -1, -1, -1, 193184299Snwhitehorn 0x02, -1, -1, -1, -1, -1, -1, -1, 194184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -1, -1, 195184299Snwhitehorn 0x01, 0x01, 0x01, -1, -1, -1, -1, -1, 196184299Snwhitehorn 0x00, 0x00, -1, -1, -1, -1, 0x04, 0x04, 197184299Snwhitehorn 0x04, -1, 0x00, -1, -1, -1, -1, -1, 198184299Snwhitehorn 0x00, -1, -1, -1, -1, -1, -1, -1, 199184299Snwhitehorn 0x01, 0x02, -1, -1, -1, -1, -1, -1, 200184299Snwhitehorn 0x00, 0x00, -1, -1, -1, -1, -1, -1, 201184299Snwhitehorn 0x02, 0x02, 0x02, 0x04, -1, 0x00, -1, -1, 202184299Snwhitehorn 0x01, 0x01, 0x03, 0x02, -1, -1, -1, -1, 203184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 204184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 205184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 206184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 207184299Snwhitehorn 0x00, -1, -1, -1, -1, -1, -1, -1, 208184299Snwhitehorn 0x01, 0x01, -1, -1, 0x00, 0x00, -1, -1, 209184299Snwhitehorn -1, 0x04, 0x00, -1, -1, -1, -1, -1, 210184299Snwhitehorn 0x03, -1, 0x00, -1, 0x00, -1, -1, 0x00, 211184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 212184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1 213184299Snwhitehorn}; 214184299Snwhitehorn 215184299Snwhitehorn/* these values shows that number of data returned after 'receive' cmd is sent */ 216184299Snwhitehornstatic signed char pm_receive_cmd_type[] = { 217184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 218184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 219184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 220184299Snwhitehorn 0x02, 0x02, -1, -1, -1, -1, -1, 0x00, 221184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 222184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 223184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 224184299Snwhitehorn 0x05, 0x15, -1, 0x02, -1, -1, -1, -1, 225184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 226184299Snwhitehorn 0x02, 0x02, -1, -1, -1, -1, -1, -1, 227184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 228184299Snwhitehorn 0x02, 0x00, 0x03, 0x03, -1, -1, -1, -1, 229184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 230184299Snwhitehorn 0x04, 0x04, 0x03, 0x09, -1, -1, -1, -1, 231184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 232184299Snwhitehorn -1, -1, -1, -1, -1, -1, 0x01, 0x01, 233184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 234184299Snwhitehorn 0x06, -1, -1, -1, -1, -1, -1, -1, 235184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 236184299Snwhitehorn 0x02, 0x02, -1, -1, -1, -1, -1, -1, 237184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 238184299Snwhitehorn 0x02, 0x00, 0x00, 0x00, -1, -1, -1, -1, 239184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 240184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 241184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 242184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 243184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 244184299Snwhitehorn 0x02, 0x02, -1, -1, 0x02, -1, -1, -1, 245184299Snwhitehorn 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 246184299Snwhitehorn -1, -1, 0x02, -1, -1, -1, -1, 0x00, 247184299Snwhitehorn 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 248184299Snwhitehorn -1, -1, -1, -1, -1, -1, -1, -1, 249184299Snwhitehorn}; 250184299Snwhitehorn 251184299Snwhitehorn/* We only have one of each device, so globals are safe */ 252184299Snwhitehornstatic device_t pmu = NULL; 253184299Snwhitehornstatic device_t pmu_extint = NULL; 254184299Snwhitehorn 255184299Snwhitehornstatic int 256184299Snwhitehornpmuextint_probe(device_t dev) 257184299Snwhitehorn{ 258184299Snwhitehorn const char *type = ofw_bus_get_type(dev); 259184299Snwhitehorn 260184299Snwhitehorn if (strcmp(type, "extint-gpio1") != 0) 261184299Snwhitehorn return (ENXIO); 262184299Snwhitehorn 263184299Snwhitehorn device_set_desc(dev, "Apple PMU99 External Interrupt"); 264184299Snwhitehorn return (0); 265184299Snwhitehorn} 266184299Snwhitehorn 267184299Snwhitehornstatic int 268184299Snwhitehornpmu_probe(device_t dev) 269184299Snwhitehorn{ 270184299Snwhitehorn const char *type = ofw_bus_get_type(dev); 271184299Snwhitehorn 272184299Snwhitehorn if (strcmp(type, "via-pmu") != 0) 273184299Snwhitehorn return (ENXIO); 274184299Snwhitehorn 275184299Snwhitehorn device_set_desc(dev, "Apple PMU99 Controller"); 276184299Snwhitehorn return (0); 277184299Snwhitehorn} 278184299Snwhitehorn 279184299Snwhitehorn 280184299Snwhitehornstatic int 281184299Snwhitehornsetup_pmu_intr(device_t dev, device_t extint) 282184299Snwhitehorn{ 283184299Snwhitehorn struct pmu_softc *sc; 284184299Snwhitehorn sc = device_get_softc(dev); 285184299Snwhitehorn 286184299Snwhitehorn sc->sc_irqrid = 0; 287184299Snwhitehorn sc->sc_irq = bus_alloc_resource_any(extint, SYS_RES_IRQ, &sc->sc_irqrid, 288184299Snwhitehorn RF_ACTIVE); 289184299Snwhitehorn if (sc->sc_irq == NULL) { 290184299Snwhitehorn device_printf(dev, "could not allocate interrupt\n"); 291184299Snwhitehorn return (ENXIO); 292184299Snwhitehorn } 293184299Snwhitehorn 294184299Snwhitehorn if (bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_MISC | INTR_MPSAFE 295184299Snwhitehorn | INTR_ENTROPY, NULL, pmu_intr, dev, &sc->sc_ih) != 0) { 296184299Snwhitehorn device_printf(dev, "could not setup interrupt\n"); 297184299Snwhitehorn bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqrid, 298184299Snwhitehorn sc->sc_irq); 299184299Snwhitehorn return (ENXIO); 300184299Snwhitehorn } 301184299Snwhitehorn 302184299Snwhitehorn return (0); 303184299Snwhitehorn} 304184299Snwhitehorn 305184299Snwhitehornstatic int 306184299Snwhitehornpmuextint_attach(device_t dev) 307184299Snwhitehorn{ 308184299Snwhitehorn pmu_extint = dev; 309184299Snwhitehorn if (pmu) 310184299Snwhitehorn return (setup_pmu_intr(pmu,dev)); 311184299Snwhitehorn 312184299Snwhitehorn return (0); 313184299Snwhitehorn} 314184299Snwhitehorn 315184299Snwhitehornstatic int 316184299Snwhitehornpmu_attach(device_t dev) 317184299Snwhitehorn{ 318184299Snwhitehorn struct pmu_softc *sc; 319184299Snwhitehorn 320185754Snwhitehorn int i; 321184299Snwhitehorn uint8_t reg; 322184299Snwhitehorn uint8_t cmd[2] = {2, 0}; 323184299Snwhitehorn uint8_t resp[16]; 324184299Snwhitehorn phandle_t node,child; 325185727Snwhitehorn struct sysctl_ctx_list *ctx; 326185727Snwhitehorn struct sysctl_oid *tree; 327184299Snwhitehorn 328184299Snwhitehorn sc = device_get_softc(dev); 329184299Snwhitehorn sc->sc_dev = dev; 330184299Snwhitehorn 331184299Snwhitehorn sc->sc_memrid = 0; 332184299Snwhitehorn sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 333184299Snwhitehorn &sc->sc_memrid, RF_ACTIVE); 334184299Snwhitehorn 335184299Snwhitehorn mtx_init(&sc->sc_mutex,"pmu",NULL,MTX_DEF | MTX_RECURSE); 336184299Snwhitehorn 337184299Snwhitehorn if (sc->sc_memr == NULL) { 338184299Snwhitehorn device_printf(dev, "Could not alloc mem resource!\n"); 339184299Snwhitehorn return (ENXIO); 340184299Snwhitehorn } 341184299Snwhitehorn 342184299Snwhitehorn /* 343184299Snwhitehorn * Our interrupt is attached to a GPIO pin. Depending on probe order, 344184299Snwhitehorn * we may not have found it yet. If we haven't, it will find us, and 345184299Snwhitehorn * attach our interrupt then. 346184299Snwhitehorn */ 347184299Snwhitehorn pmu = dev; 348184299Snwhitehorn if (pmu_extint != NULL) { 349184299Snwhitehorn if (setup_pmu_intr(dev,pmu_extint) != 0) 350184299Snwhitehorn return (ENXIO); 351184299Snwhitehorn } 352184299Snwhitehorn 353184299Snwhitehorn sc->sc_autopoll = 0; 354185782Snwhitehorn sc->sc_batteries = 0; 355185782Snwhitehorn sc->adb_bus = NULL; 356185782Snwhitehorn sc->sc_leddev = NULL; 357184299Snwhitehorn 358184299Snwhitehorn /* Init PMU */ 359184299Snwhitehorn 360184299Snwhitehorn reg = PMU_INT_TICK | PMU_INT_ADB | PMU_INT_PCEJECT | PMU_INT_SNDBRT; 361184299Snwhitehorn reg |= PMU_INT_BATTERY; 362184299Snwhitehorn reg |= PMU_INT_ENVIRONMENT; 363184299Snwhitehorn pmu_send(sc, PMU_SET_IMASK, 1, ®, 16, resp); 364184299Snwhitehorn 365184299Snwhitehorn pmu_write_reg(sc, vIER, 0x90); /* make sure VIA interrupts are on */ 366184299Snwhitehorn 367184299Snwhitehorn pmu_send(sc, PMU_SYSTEM_READY, 1, cmd, 16, resp); 368261179Sjhibbits pmu_send(sc, PMU_GET_VERSION, 0, cmd, 16, resp); 369184299Snwhitehorn 370184299Snwhitehorn /* Initialize child buses (ADB) */ 371184299Snwhitehorn node = ofw_bus_get_node(dev); 372184299Snwhitehorn 373184299Snwhitehorn for (child = OF_child(node); child != 0; child = OF_peer(child)) { 374184299Snwhitehorn char name[32]; 375184299Snwhitehorn 376184299Snwhitehorn memset(name, 0, sizeof(name)); 377184299Snwhitehorn OF_getprop(child, "name", name, sizeof(name)); 378184299Snwhitehorn 379184299Snwhitehorn if (bootverbose) 380184299Snwhitehorn device_printf(dev, "PMU child <%s>\n",name); 381184299Snwhitehorn 382184299Snwhitehorn if (strncmp(name, "adb", 4) == 0) { 383184299Snwhitehorn sc->adb_bus = device_add_child(dev,"adb",-1); 384184299Snwhitehorn } 385185754Snwhitehorn 386185754Snwhitehorn if (strncmp(name, "power-mgt", 9) == 0) { 387185754Snwhitehorn uint32_t prim_info[9]; 388185754Snwhitehorn 389185754Snwhitehorn if (OF_getprop(child, "prim-info", prim_info, 390185754Snwhitehorn sizeof(prim_info)) >= 7) 391185754Snwhitehorn sc->sc_batteries = (prim_info[6] >> 16) & 0xff; 392185754Snwhitehorn 393185754Snwhitehorn if (bootverbose && sc->sc_batteries > 0) 394185754Snwhitehorn device_printf(dev, "%d batteries detected\n", 395185754Snwhitehorn sc->sc_batteries); 396185754Snwhitehorn } 397184299Snwhitehorn } 398184299Snwhitehorn 399185727Snwhitehorn /* 400185727Snwhitehorn * Set up sysctls 401185727Snwhitehorn */ 402185727Snwhitehorn 403185727Snwhitehorn ctx = device_get_sysctl_ctx(dev); 404185727Snwhitehorn tree = device_get_sysctl_tree(dev); 405185727Snwhitehorn 406185727Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 407185754Snwhitehorn "server_mode", CTLTYPE_INT | CTLFLAG_RW, sc, 0, 408185754Snwhitehorn pmu_server_mode, "I", "Enable reboot after power failure"); 409185727Snwhitehorn 410185754Snwhitehorn if (sc->sc_batteries > 0) { 411185754Snwhitehorn struct sysctl_oid *oid, *battroot; 412185754Snwhitehorn char battnum[2]; 413185754Snwhitehorn 414193159Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 415193159Snwhitehorn "acline", CTLTYPE_INT | CTLFLAG_RD, sc, 0, 416193159Snwhitehorn pmu_acline_state, "I", "AC Line Status"); 417193159Snwhitehorn 418185754Snwhitehorn battroot = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 419185754Snwhitehorn "batteries", CTLFLAG_RD, 0, "Battery Information"); 420185754Snwhitehorn 421185754Snwhitehorn for (i = 0; i < sc->sc_batteries; i++) { 422185754Snwhitehorn battnum[0] = i + '0'; 423185754Snwhitehorn battnum[1] = '\0'; 424185754Snwhitehorn 425185754Snwhitehorn oid = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(battroot), 426185754Snwhitehorn OID_AUTO, battnum, CTLFLAG_RD, 0, 427185754Snwhitehorn "Battery Information"); 428185754Snwhitehorn 429185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 430185754Snwhitehorn "present", CTLTYPE_INT | CTLFLAG_RD, sc, 431185754Snwhitehorn PMU_BATSYSCTL_PRESENT | i, pmu_battquery_sysctl, 432185754Snwhitehorn "I", "Battery present"); 433185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 434185754Snwhitehorn "charging", CTLTYPE_INT | CTLFLAG_RD, sc, 435185754Snwhitehorn PMU_BATSYSCTL_CHARGING | i, pmu_battquery_sysctl, 436185754Snwhitehorn "I", "Battery charging"); 437185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 438185754Snwhitehorn "charge", CTLTYPE_INT | CTLFLAG_RD, sc, 439185754Snwhitehorn PMU_BATSYSCTL_CHARGE | i, pmu_battquery_sysctl, 440185754Snwhitehorn "I", "Battery charge (mAh)"); 441185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 442185754Snwhitehorn "maxcharge", CTLTYPE_INT | CTLFLAG_RD, sc, 443185754Snwhitehorn PMU_BATSYSCTL_MAXCHARGE | i, pmu_battquery_sysctl, 444185754Snwhitehorn "I", "Maximum battery capacity (mAh)"); 445185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 446185754Snwhitehorn "rate", CTLTYPE_INT | CTLFLAG_RD, sc, 447185754Snwhitehorn PMU_BATSYSCTL_CURRENT | i, pmu_battquery_sysctl, 448185754Snwhitehorn "I", "Battery discharge rate (mA)"); 449185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 450185754Snwhitehorn "voltage", CTLTYPE_INT | CTLFLAG_RD, sc, 451185754Snwhitehorn PMU_BATSYSCTL_VOLTAGE | i, pmu_battquery_sysctl, 452185754Snwhitehorn "I", "Battery voltage (mV)"); 453185754Snwhitehorn 454185754Snwhitehorn /* Knobs for mental compatibility with ACPI */ 455185754Snwhitehorn 456185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 457185754Snwhitehorn "time", CTLTYPE_INT | CTLFLAG_RD, sc, 458185754Snwhitehorn PMU_BATSYSCTL_TIME | i, pmu_battquery_sysctl, 459185754Snwhitehorn "I", "Time Remaining (minutes)"); 460185754Snwhitehorn SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 461185754Snwhitehorn "life", CTLTYPE_INT | CTLFLAG_RD, sc, 462185754Snwhitehorn PMU_BATSYSCTL_LIFE | i, pmu_battquery_sysctl, 463185754Snwhitehorn "I", "Capacity remaining (percent)"); 464185754Snwhitehorn } 465185754Snwhitehorn } 466185754Snwhitehorn 467185782Snwhitehorn /* 468185782Snwhitehorn * Set up LED interface 469185782Snwhitehorn */ 470185782Snwhitehorn 471185782Snwhitehorn sc->sc_leddev = led_create(pmu_set_sleepled, sc, "sleepled"); 472185782Snwhitehorn 473205506Snwhitehorn /* 474205506Snwhitehorn * Register RTC 475205506Snwhitehorn */ 476205506Snwhitehorn 477205506Snwhitehorn clock_register(dev, 1000); 478205506Snwhitehorn 479212054Snwhitehorn /* 480212054Snwhitehorn * Register power control handler 481212054Snwhitehorn */ 482212054Snwhitehorn EVENTHANDLER_REGISTER(shutdown_final, pmu_shutdown, sc, 483212054Snwhitehorn SHUTDOWN_PRI_LAST); 484212054Snwhitehorn 485184299Snwhitehorn return (bus_generic_attach(dev)); 486184299Snwhitehorn} 487184299Snwhitehorn 488184299Snwhitehornstatic int 489184299Snwhitehornpmu_detach(device_t dev) 490184299Snwhitehorn{ 491184299Snwhitehorn struct pmu_softc *sc; 492184299Snwhitehorn 493184299Snwhitehorn sc = device_get_softc(dev); 494184299Snwhitehorn 495185782Snwhitehorn if (sc->sc_leddev != NULL) 496185782Snwhitehorn led_destroy(sc->sc_leddev); 497185782Snwhitehorn 498184299Snwhitehorn bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 499184299Snwhitehorn bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqrid, sc->sc_irq); 500184299Snwhitehorn bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_memrid, sc->sc_memr); 501184299Snwhitehorn mtx_destroy(&sc->sc_mutex); 502184299Snwhitehorn 503184299Snwhitehorn return (bus_generic_detach(dev)); 504184299Snwhitehorn} 505184299Snwhitehorn 506184299Snwhitehornstatic uint8_t 507184299Snwhitehornpmu_read_reg(struct pmu_softc *sc, u_int offset) 508184299Snwhitehorn{ 509184299Snwhitehorn return (bus_read_1(sc->sc_memr, offset)); 510184299Snwhitehorn} 511184299Snwhitehorn 512184299Snwhitehornstatic void 513184299Snwhitehornpmu_write_reg(struct pmu_softc *sc, u_int offset, uint8_t value) 514184299Snwhitehorn{ 515184299Snwhitehorn bus_write_1(sc->sc_memr, offset, value); 516184299Snwhitehorn} 517184299Snwhitehorn 518184299Snwhitehornstatic int 519184299Snwhitehornpmu_send_byte(struct pmu_softc *sc, uint8_t data) 520184299Snwhitehorn{ 521184299Snwhitehorn 522184299Snwhitehorn pmu_out(sc); 523184299Snwhitehorn pmu_write_reg(sc, vSR, data); 524184299Snwhitehorn pmu_ack_off(sc); 525184299Snwhitehorn /* wait for intr to come up */ 526184299Snwhitehorn /* XXX should add a timeout and bail if it expires */ 527184299Snwhitehorn do {} while (pmu_intr_state(sc) == 0); 528184299Snwhitehorn pmu_ack_on(sc); 529184299Snwhitehorn do {} while (pmu_intr_state(sc)); 530184299Snwhitehorn pmu_ack_on(sc); 531184299Snwhitehorn return 0; 532184299Snwhitehorn} 533184299Snwhitehorn 534184299Snwhitehornstatic inline int 535184299Snwhitehornpmu_read_byte(struct pmu_softc *sc, uint8_t *data) 536184299Snwhitehorn{ 537184299Snwhitehorn volatile uint8_t scratch; 538184299Snwhitehorn pmu_in(sc); 539184299Snwhitehorn scratch = pmu_read_reg(sc, vSR); 540184299Snwhitehorn pmu_ack_off(sc); 541184299Snwhitehorn /* wait for intr to come up */ 542184299Snwhitehorn do {} while (pmu_intr_state(sc) == 0); 543184299Snwhitehorn pmu_ack_on(sc); 544184299Snwhitehorn do {} while (pmu_intr_state(sc)); 545184299Snwhitehorn *data = pmu_read_reg(sc, vSR); 546184299Snwhitehorn return 0; 547184299Snwhitehorn} 548184299Snwhitehorn 549184299Snwhitehornstatic int 550184299Snwhitehornpmu_intr_state(struct pmu_softc *sc) 551184299Snwhitehorn{ 552184299Snwhitehorn return ((pmu_read_reg(sc, vBufB) & vPB3) == 0); 553184299Snwhitehorn} 554184299Snwhitehorn 555184299Snwhitehornstatic int 556184299Snwhitehornpmu_send(void *cookie, int cmd, int length, uint8_t *in_msg, int rlen, 557184299Snwhitehorn uint8_t *out_msg) 558184299Snwhitehorn{ 559184299Snwhitehorn struct pmu_softc *sc = cookie; 560184299Snwhitehorn int i, rcv_len = -1; 561184299Snwhitehorn uint8_t out_len, intreg; 562184299Snwhitehorn 563184299Snwhitehorn intreg = pmu_read_reg(sc, vIER); 564184299Snwhitehorn intreg &= 0x10; 565184299Snwhitehorn pmu_write_reg(sc, vIER, intreg); 566184299Snwhitehorn 567184299Snwhitehorn /* wait idle */ 568184299Snwhitehorn do {} while (pmu_intr_state(sc)); 569184299Snwhitehorn 570184299Snwhitehorn /* send command */ 571184299Snwhitehorn pmu_send_byte(sc, cmd); 572184299Snwhitehorn 573184299Snwhitehorn /* send length if necessary */ 574184299Snwhitehorn if (pm_send_cmd_type[cmd] < 0) { 575184299Snwhitehorn pmu_send_byte(sc, length); 576184299Snwhitehorn } 577184299Snwhitehorn 578184299Snwhitehorn for (i = 0; i < length; i++) { 579184299Snwhitehorn pmu_send_byte(sc, in_msg[i]); 580184299Snwhitehorn } 581184299Snwhitehorn 582184299Snwhitehorn /* see if there's data to read */ 583184299Snwhitehorn rcv_len = pm_receive_cmd_type[cmd]; 584184299Snwhitehorn if (rcv_len == 0) 585184299Snwhitehorn goto done; 586184299Snwhitehorn 587184299Snwhitehorn /* read command */ 588184299Snwhitehorn if (rcv_len == 1) { 589184299Snwhitehorn pmu_read_byte(sc, out_msg); 590184299Snwhitehorn goto done; 591184299Snwhitehorn } else 592184299Snwhitehorn out_msg[0] = cmd; 593184299Snwhitehorn if (rcv_len < 0) { 594184299Snwhitehorn pmu_read_byte(sc, &out_len); 595184299Snwhitehorn rcv_len = out_len + 1; 596184299Snwhitehorn } 597184299Snwhitehorn for (i = 1; i < min(rcv_len, rlen); i++) 598184299Snwhitehorn pmu_read_byte(sc, &out_msg[i]); 599184299Snwhitehorn 600184299Snwhitehorndone: 601184299Snwhitehorn pmu_write_reg(sc, vIER, (intreg == 0) ? 0 : 0x90); 602184299Snwhitehorn 603184299Snwhitehorn return rcv_len; 604184299Snwhitehorn} 605184299Snwhitehorn 606184299Snwhitehorn 607194027Savgstatic u_int 608184299Snwhitehornpmu_poll(device_t dev) 609184299Snwhitehorn{ 610184299Snwhitehorn pmu_intr(dev); 611194027Savg return (0); 612184299Snwhitehorn} 613184299Snwhitehorn 614184299Snwhitehornstatic void 615184299Snwhitehornpmu_in(struct pmu_softc *sc) 616184299Snwhitehorn{ 617184299Snwhitehorn uint8_t reg; 618184299Snwhitehorn 619184299Snwhitehorn reg = pmu_read_reg(sc, vACR); 620184299Snwhitehorn reg &= ~vSR_OUT; 621184299Snwhitehorn reg |= 0x0c; 622184299Snwhitehorn pmu_write_reg(sc, vACR, reg); 623184299Snwhitehorn} 624184299Snwhitehorn 625184299Snwhitehornstatic void 626184299Snwhitehornpmu_out(struct pmu_softc *sc) 627184299Snwhitehorn{ 628184299Snwhitehorn uint8_t reg; 629184299Snwhitehorn 630184299Snwhitehorn reg = pmu_read_reg(sc, vACR); 631184299Snwhitehorn reg |= vSR_OUT; 632184299Snwhitehorn reg |= 0x0c; 633184299Snwhitehorn pmu_write_reg(sc, vACR, reg); 634184299Snwhitehorn} 635184299Snwhitehorn 636184299Snwhitehornstatic void 637184299Snwhitehornpmu_ack_off(struct pmu_softc *sc) 638184299Snwhitehorn{ 639184299Snwhitehorn uint8_t reg; 640184299Snwhitehorn 641184299Snwhitehorn reg = pmu_read_reg(sc, vBufB); 642184299Snwhitehorn reg &= ~vPB4; 643184299Snwhitehorn pmu_write_reg(sc, vBufB, reg); 644184299Snwhitehorn} 645184299Snwhitehorn 646184299Snwhitehornstatic void 647184299Snwhitehornpmu_ack_on(struct pmu_softc *sc) 648184299Snwhitehorn{ 649184299Snwhitehorn uint8_t reg; 650184299Snwhitehorn 651184299Snwhitehorn reg = pmu_read_reg(sc, vBufB); 652184299Snwhitehorn reg |= vPB4; 653184299Snwhitehorn pmu_write_reg(sc, vBufB, reg); 654184299Snwhitehorn} 655184299Snwhitehorn 656184299Snwhitehornstatic void 657184299Snwhitehornpmu_intr(void *arg) 658184299Snwhitehorn{ 659184299Snwhitehorn device_t dev; 660184299Snwhitehorn struct pmu_softc *sc; 661184299Snwhitehorn 662184299Snwhitehorn unsigned int len; 663184299Snwhitehorn uint8_t resp[16]; 664184299Snwhitehorn uint8_t junk[16]; 665184299Snwhitehorn 666184299Snwhitehorn dev = (device_t)arg; 667184299Snwhitehorn sc = device_get_softc(dev); 668184299Snwhitehorn 669184299Snwhitehorn mtx_lock(&sc->sc_mutex); 670184299Snwhitehorn 671184299Snwhitehorn pmu_write_reg(sc, vIFR, 0x90); /* Clear 'em */ 672184299Snwhitehorn len = pmu_send(sc, PMU_INT_ACK, 0, NULL, 16, resp); 673184299Snwhitehorn 674184299Snwhitehorn mtx_unlock(&sc->sc_mutex); 675184299Snwhitehorn 676184299Snwhitehorn if ((len < 1) || (resp[1] == 0)) { 677184299Snwhitehorn return; 678184299Snwhitehorn } 679184299Snwhitehorn 680184299Snwhitehorn if (resp[1] & PMU_INT_ADB) { 681184299Snwhitehorn /* 682184299Snwhitehorn * the PMU will turn off autopolling after each command that 683184299Snwhitehorn * it did not issue, so we assume any but TALK R0 is ours and 684184299Snwhitehorn * re-enable autopoll here whenever we receive an ACK for a 685184299Snwhitehorn * non TR0 command. 686184299Snwhitehorn */ 687184299Snwhitehorn mtx_lock(&sc->sc_mutex); 688184299Snwhitehorn 689184299Snwhitehorn if ((resp[2] & 0x0f) != (ADB_COMMAND_TALK << 2)) { 690184299Snwhitehorn if (sc->sc_autopoll) { 691184299Snwhitehorn uint8_t cmd[] = {0, PMU_SET_POLL_MASK, 692184299Snwhitehorn (sc->sc_autopoll >> 8) & 0xff, 693184299Snwhitehorn sc->sc_autopoll & 0xff}; 694184299Snwhitehorn 695184299Snwhitehorn pmu_send(sc, PMU_ADB_CMD, 4, cmd, 16, junk); 696184299Snwhitehorn } 697184299Snwhitehorn } 698184299Snwhitehorn 699184299Snwhitehorn mtx_unlock(&sc->sc_mutex); 700184299Snwhitehorn 701184299Snwhitehorn adb_receive_raw_packet(sc->adb_bus,resp[1],resp[2], 702184299Snwhitehorn len - 3,&resp[3]); 703184299Snwhitehorn } 704230788Sjhibbits if (resp[1] & PMU_INT_ENVIRONMENT) { 705230788Sjhibbits /* if the lid was just closed, notify devd. */ 706230788Sjhibbits if ((resp[2] & PMU_ENV_LID_CLOSED) && (!sc->lid_closed)) { 707230788Sjhibbits sc->lid_closed = 1; 708230788Sjhibbits if (devctl_process_running()) 709230788Sjhibbits devctl_notify("PMU", "lid", "close", NULL); 710230788Sjhibbits } 711230788Sjhibbits else if (!(resp[2] & PMU_ENV_LID_CLOSED) && (sc->lid_closed)) { 712230788Sjhibbits /* if the lid was just opened, notify devd. */ 713230788Sjhibbits if (devctl_process_running()) 714230788Sjhibbits devctl_notify("PMU", "lid", "open", NULL); 715230788Sjhibbits sc->lid_closed = 0; 716230788Sjhibbits } 717230788Sjhibbits } 718184299Snwhitehorn} 719184299Snwhitehorn 720184299Snwhitehornstatic u_int 721184299Snwhitehornpmu_adb_send(device_t dev, u_char command_byte, int len, u_char *data, 722184299Snwhitehorn u_char poll) 723184299Snwhitehorn{ 724184299Snwhitehorn struct pmu_softc *sc = device_get_softc(dev); 725184299Snwhitehorn int i,replen; 726184299Snwhitehorn uint8_t packet[16], resp[16]; 727184299Snwhitehorn 728184299Snwhitehorn /* construct an ADB command packet and send it */ 729184299Snwhitehorn 730184299Snwhitehorn packet[0] = command_byte; 731184299Snwhitehorn 732184299Snwhitehorn packet[1] = 0; 733184299Snwhitehorn packet[2] = len; 734184299Snwhitehorn for (i = 0; i < len; i++) 735184299Snwhitehorn packet[i + 3] = data[i]; 736184299Snwhitehorn 737184299Snwhitehorn mtx_lock(&sc->sc_mutex); 738184299Snwhitehorn replen = pmu_send(sc, PMU_ADB_CMD, len + 3, packet, 16, resp); 739184299Snwhitehorn mtx_unlock(&sc->sc_mutex); 740184299Snwhitehorn 741184299Snwhitehorn if (poll) 742184299Snwhitehorn pmu_poll(dev); 743184299Snwhitehorn 744184299Snwhitehorn return 0; 745184299Snwhitehorn} 746184299Snwhitehorn 747184299Snwhitehornstatic u_int 748184299Snwhitehornpmu_adb_autopoll(device_t dev, uint16_t mask) 749184299Snwhitehorn{ 750184299Snwhitehorn struct pmu_softc *sc = device_get_softc(dev); 751184299Snwhitehorn 752184299Snwhitehorn /* magical incantation to re-enable autopolling */ 753184299Snwhitehorn uint8_t cmd[] = {0, PMU_SET_POLL_MASK, (mask >> 8) & 0xff, mask & 0xff}; 754184299Snwhitehorn uint8_t resp[16]; 755184299Snwhitehorn 756184299Snwhitehorn mtx_lock(&sc->sc_mutex); 757184299Snwhitehorn 758184299Snwhitehorn if (sc->sc_autopoll == mask) { 759184299Snwhitehorn mtx_unlock(&sc->sc_mutex); 760184299Snwhitehorn return 0; 761184299Snwhitehorn } 762184299Snwhitehorn 763184299Snwhitehorn sc->sc_autopoll = mask & 0xffff; 764184299Snwhitehorn 765184299Snwhitehorn if (mask) 766184299Snwhitehorn pmu_send(sc, PMU_ADB_CMD, 4, cmd, 16, resp); 767184299Snwhitehorn else 768184299Snwhitehorn pmu_send(sc, PMU_ADB_POLL_OFF, 0, NULL, 16, resp); 769184299Snwhitehorn 770184299Snwhitehorn mtx_unlock(&sc->sc_mutex); 771184299Snwhitehorn 772184299Snwhitehorn return 0; 773184299Snwhitehorn} 774185727Snwhitehorn 775185782Snwhitehornstatic void 776212054Snwhitehornpmu_shutdown(void *xsc, int howto) 777212054Snwhitehorn{ 778212054Snwhitehorn struct pmu_softc *sc = xsc; 779212054Snwhitehorn uint8_t cmd[] = {'M', 'A', 'T', 'T'}; 780212054Snwhitehorn 781212054Snwhitehorn if (howto & RB_HALT) 782212054Snwhitehorn pmu_send(sc, PMU_POWER_OFF, 4, cmd, 0, NULL); 783212054Snwhitehorn else 784212054Snwhitehorn pmu_send(sc, PMU_RESET_CPU, 0, NULL, 0, NULL); 785212054Snwhitehorn 786212054Snwhitehorn for (;;); 787212054Snwhitehorn} 788212054Snwhitehorn 789212054Snwhitehornstatic void 790185782Snwhitehornpmu_set_sleepled(void *xsc, int onoff) 791185782Snwhitehorn{ 792185782Snwhitehorn struct pmu_softc *sc = xsc; 793185782Snwhitehorn uint8_t cmd[] = {4, 0, 0}; 794185782Snwhitehorn 795185782Snwhitehorn cmd[2] = onoff; 796185782Snwhitehorn 797185782Snwhitehorn mtx_lock(&sc->sc_mutex); 798185782Snwhitehorn pmu_send(sc, PMU_SET_SLEEPLED, 3, cmd, 0, NULL); 799185782Snwhitehorn mtx_unlock(&sc->sc_mutex); 800185782Snwhitehorn} 801185782Snwhitehorn 802185727Snwhitehornstatic int 803185727Snwhitehornpmu_server_mode(SYSCTL_HANDLER_ARGS) 804185727Snwhitehorn{ 805185727Snwhitehorn struct pmu_softc *sc = arg1; 806185727Snwhitehorn 807185727Snwhitehorn u_int server_mode = 0; 808185727Snwhitehorn uint8_t getcmd[] = {PMU_PWR_GET_POWERUP_EVENTS}; 809185727Snwhitehorn uint8_t setcmd[] = {0, 0, PMU_PWR_WAKEUP_AC_INSERT}; 810185727Snwhitehorn uint8_t resp[3]; 811185727Snwhitehorn int error, len; 812185727Snwhitehorn 813185727Snwhitehorn mtx_lock(&sc->sc_mutex); 814185727Snwhitehorn len = pmu_send(sc, PMU_POWER_EVENTS, 1, getcmd, 3, resp); 815185727Snwhitehorn mtx_unlock(&sc->sc_mutex); 816185727Snwhitehorn 817185727Snwhitehorn if (len == 3) 818185727Snwhitehorn server_mode = (resp[2] & PMU_PWR_WAKEUP_AC_INSERT) ? 1 : 0; 819185727Snwhitehorn 820185727Snwhitehorn error = sysctl_handle_int(oidp, &server_mode, 0, req); 821185727Snwhitehorn 822185727Snwhitehorn if (len != 3) 823185727Snwhitehorn return (EINVAL); 824185727Snwhitehorn 825185727Snwhitehorn if (error || !req->newptr) 826185727Snwhitehorn return (error); 827185727Snwhitehorn 828185727Snwhitehorn if (server_mode == 1) 829185727Snwhitehorn setcmd[0] = PMU_PWR_SET_POWERUP_EVENTS; 830185727Snwhitehorn else if (server_mode == 0) 831185727Snwhitehorn setcmd[0] = PMU_PWR_CLR_POWERUP_EVENTS; 832185727Snwhitehorn else 833185727Snwhitehorn return (EINVAL); 834185727Snwhitehorn 835185727Snwhitehorn setcmd[1] = resp[1]; 836185727Snwhitehorn 837185727Snwhitehorn mtx_lock(&sc->sc_mutex); 838185727Snwhitehorn pmu_send(sc, PMU_POWER_EVENTS, 3, setcmd, 2, resp); 839185727Snwhitehorn mtx_unlock(&sc->sc_mutex); 840185727Snwhitehorn 841185727Snwhitehorn return (0); 842185727Snwhitehorn} 843185727Snwhitehorn 844185754Snwhitehornstatic int 845185754Snwhitehornpmu_query_battery(struct pmu_softc *sc, int batt, struct pmu_battstate *info) 846185754Snwhitehorn{ 847185754Snwhitehorn uint8_t reg; 848185754Snwhitehorn uint8_t resp[16]; 849185754Snwhitehorn int len; 850185754Snwhitehorn 851185754Snwhitehorn reg = batt + 1; 852185754Snwhitehorn 853185754Snwhitehorn mtx_lock(&sc->sc_mutex); 854185754Snwhitehorn len = pmu_send(sc, PMU_SMART_BATTERY_STATE, 1, ®, 16, resp); 855185754Snwhitehorn mtx_unlock(&sc->sc_mutex); 856185754Snwhitehorn 857185754Snwhitehorn if (len < 3) 858185754Snwhitehorn return (-1); 859185754Snwhitehorn 860185754Snwhitehorn /* All PMU battery info replies share a common header: 861185754Snwhitehorn * Byte 1 Payload Format 862185754Snwhitehorn * Byte 2 Battery Flags 863185754Snwhitehorn */ 864185754Snwhitehorn 865185754Snwhitehorn info->state = resp[2]; 866185754Snwhitehorn 867185754Snwhitehorn switch (resp[1]) { 868185754Snwhitehorn case 3: 869185754Snwhitehorn case 4: 870185754Snwhitehorn /* 871185754Snwhitehorn * Formats 3 and 4 appear to be the same: 872185754Snwhitehorn * Byte 3 Charge 873185754Snwhitehorn * Byte 4 Max Charge 874185754Snwhitehorn * Byte 5 Current 875185754Snwhitehorn * Byte 6 Voltage 876185754Snwhitehorn */ 877185754Snwhitehorn 878185754Snwhitehorn info->charge = resp[3]; 879185754Snwhitehorn info->maxcharge = resp[4]; 880185754Snwhitehorn /* Current can be positive or negative */ 881185754Snwhitehorn info->current = (int8_t)resp[5]; 882185754Snwhitehorn info->voltage = resp[6]; 883185754Snwhitehorn break; 884185754Snwhitehorn case 5: 885185754Snwhitehorn /* 886185754Snwhitehorn * Formats 5 is a wider version of formats 3 and 4 887185754Snwhitehorn * Byte 3-4 Charge 888185754Snwhitehorn * Byte 5-6 Max Charge 889185754Snwhitehorn * Byte 7-8 Current 890185754Snwhitehorn * Byte 9-10 Voltage 891185754Snwhitehorn */ 892185754Snwhitehorn 893185754Snwhitehorn info->charge = (resp[3] << 8) | resp[4]; 894185754Snwhitehorn info->maxcharge = (resp[5] << 8) | resp[6]; 895185754Snwhitehorn /* Current can be positive or negative */ 896185754Snwhitehorn info->current = (int16_t)((resp[7] << 8) | resp[8]); 897185754Snwhitehorn info->voltage = (resp[9] << 8) | resp[10]; 898185754Snwhitehorn break; 899185754Snwhitehorn default: 900185754Snwhitehorn device_printf(sc->sc_dev, "Unknown battery info format (%d)!\n", 901185754Snwhitehorn resp[1]); 902185754Snwhitehorn return (-1); 903185754Snwhitehorn } 904185754Snwhitehorn 905185754Snwhitehorn return (0); 906185754Snwhitehorn} 907185754Snwhitehorn 908185754Snwhitehornstatic int 909193159Snwhitehornpmu_acline_state(SYSCTL_HANDLER_ARGS) 910193159Snwhitehorn{ 911193159Snwhitehorn struct pmu_softc *sc; 912193159Snwhitehorn struct pmu_battstate batt; 913193159Snwhitehorn int error, result; 914193159Snwhitehorn 915193159Snwhitehorn sc = arg1; 916193159Snwhitehorn 917193159Snwhitehorn /* The PMU treats the AC line status as a property of the battery */ 918193159Snwhitehorn error = pmu_query_battery(sc, 0, &batt); 919193159Snwhitehorn 920193159Snwhitehorn if (error != 0) 921193159Snwhitehorn return (error); 922193159Snwhitehorn 923193159Snwhitehorn result = (batt.state & PMU_PWR_AC_PRESENT) ? 1 : 0; 924193159Snwhitehorn error = sysctl_handle_int(oidp, &result, 0, req); 925193159Snwhitehorn 926193159Snwhitehorn return (error); 927193159Snwhitehorn} 928193159Snwhitehorn 929193159Snwhitehornstatic int 930185754Snwhitehornpmu_battquery_sysctl(SYSCTL_HANDLER_ARGS) 931185754Snwhitehorn{ 932185754Snwhitehorn struct pmu_softc *sc; 933185754Snwhitehorn struct pmu_battstate batt; 934185754Snwhitehorn int error, result; 935185754Snwhitehorn 936185754Snwhitehorn sc = arg1; 937185754Snwhitehorn 938185754Snwhitehorn error = pmu_query_battery(sc, arg2 & 0x00ff, &batt); 939185754Snwhitehorn 940185754Snwhitehorn if (error != 0) 941185754Snwhitehorn return (error); 942185754Snwhitehorn 943185754Snwhitehorn switch (arg2 & 0xff00) { 944185754Snwhitehorn case PMU_BATSYSCTL_PRESENT: 945185754Snwhitehorn result = (batt.state & PMU_PWR_BATT_PRESENT) ? 1 : 0; 946185754Snwhitehorn break; 947185754Snwhitehorn case PMU_BATSYSCTL_CHARGING: 948185754Snwhitehorn result = (batt.state & PMU_PWR_BATT_CHARGING) ? 1 : 0; 949185754Snwhitehorn break; 950185754Snwhitehorn case PMU_BATSYSCTL_CHARGE: 951185754Snwhitehorn result = batt.charge; 952185754Snwhitehorn break; 953185754Snwhitehorn case PMU_BATSYSCTL_MAXCHARGE: 954185754Snwhitehorn result = batt.maxcharge; 955185754Snwhitehorn break; 956185754Snwhitehorn case PMU_BATSYSCTL_CURRENT: 957185754Snwhitehorn result = batt.current; 958185754Snwhitehorn break; 959185754Snwhitehorn case PMU_BATSYSCTL_VOLTAGE: 960185754Snwhitehorn result = batt.voltage; 961185754Snwhitehorn break; 962185754Snwhitehorn case PMU_BATSYSCTL_TIME: 963185754Snwhitehorn /* Time remaining until full charge/discharge, in minutes */ 964185754Snwhitehorn 965185754Snwhitehorn if (batt.current >= 0) 966185754Snwhitehorn result = (batt.maxcharge - batt.charge) /* mAh */ * 60 967185754Snwhitehorn / batt.current /* mA */; 968185754Snwhitehorn else 969185754Snwhitehorn result = (batt.charge /* mAh */ * 60) 970185754Snwhitehorn / (-batt.current /* mA */); 971185754Snwhitehorn break; 972185754Snwhitehorn case PMU_BATSYSCTL_LIFE: 973185754Snwhitehorn /* Battery charge fraction, in percent */ 974185754Snwhitehorn result = (batt.charge * 100) / batt.maxcharge; 975185754Snwhitehorn break; 976185754Snwhitehorn default: 977185754Snwhitehorn /* This should never happen */ 978185754Snwhitehorn result = -1; 979185754Snwhitehorn }; 980185754Snwhitehorn 981185754Snwhitehorn error = sysctl_handle_int(oidp, &result, 0, req); 982185754Snwhitehorn 983185754Snwhitehorn return (error); 984185754Snwhitehorn} 985185754Snwhitehorn 986205506Snwhitehorn#define DIFF19041970 2082844800 987205506Snwhitehorn 988205506Snwhitehornstatic int 989205506Snwhitehornpmu_gettime(device_t dev, struct timespec *ts) 990205506Snwhitehorn{ 991205506Snwhitehorn struct pmu_softc *sc = device_get_softc(dev); 992205506Snwhitehorn uint8_t resp[16]; 993205506Snwhitehorn uint32_t sec; 994205506Snwhitehorn 995205506Snwhitehorn mtx_lock(&sc->sc_mutex); 996205506Snwhitehorn pmu_send(sc, PMU_READ_RTC, 0, NULL, 16, resp); 997205506Snwhitehorn mtx_unlock(&sc->sc_mutex); 998205506Snwhitehorn 999205506Snwhitehorn memcpy(&sec, &resp[1], 4); 1000205506Snwhitehorn ts->tv_sec = sec - DIFF19041970; 1001205506Snwhitehorn ts->tv_nsec = 0; 1002205506Snwhitehorn 1003205506Snwhitehorn return (0); 1004205506Snwhitehorn} 1005205506Snwhitehorn 1006205506Snwhitehornstatic int 1007205506Snwhitehornpmu_settime(device_t dev, struct timespec *ts) 1008205506Snwhitehorn{ 1009205506Snwhitehorn struct pmu_softc *sc = device_get_softc(dev); 1010205506Snwhitehorn uint32_t sec; 1011205506Snwhitehorn 1012205506Snwhitehorn sec = ts->tv_sec + DIFF19041970; 1013205506Snwhitehorn 1014205506Snwhitehorn mtx_lock(&sc->sc_mutex); 1015205506Snwhitehorn pmu_send(sc, PMU_SET_RTC, sizeof(sec), (uint8_t *)&sec, 0, NULL); 1016205506Snwhitehorn mtx_unlock(&sc->sc_mutex); 1017205506Snwhitehorn 1018205506Snwhitehorn return (0); 1019205506Snwhitehorn} 1020205506Snwhitehorn 1021