1343044c4SJared McNeill /*- 2343044c4SJared McNeill * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca> 3343044c4SJared McNeill * All rights reserved. 4343044c4SJared McNeill * 5343044c4SJared McNeill * Redistribution and use in source and binary forms, with or without 6343044c4SJared McNeill * modification, are permitted provided that the following conditions 7343044c4SJared McNeill * are met: 8343044c4SJared McNeill * 1. Redistributions of source code must retain the above copyright 9343044c4SJared McNeill * notice, this list of conditions and the following disclaimer. 10343044c4SJared McNeill * 2. Redistributions in binary form must reproduce the above copyright 11343044c4SJared McNeill * notice, this list of conditions and the following disclaimer in the 12343044c4SJared McNeill * documentation and/or other materials provided with the distribution. 13343044c4SJared McNeill * 14343044c4SJared McNeill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15343044c4SJared McNeill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16343044c4SJared McNeill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17343044c4SJared McNeill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18343044c4SJared McNeill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19343044c4SJared McNeill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20343044c4SJared McNeill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 21343044c4SJared McNeill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22343044c4SJared McNeill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23343044c4SJared McNeill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24343044c4SJared McNeill * SUCH DAMAGE. 25343044c4SJared McNeill * 26343044c4SJared McNeill * $FreeBSD$ 27343044c4SJared McNeill */ 28343044c4SJared McNeill 29343044c4SJared McNeill /* 30343044c4SJared McNeill * Allwinner thermal sensor controller 31343044c4SJared McNeill */ 32343044c4SJared McNeill 33343044c4SJared McNeill #include <sys/cdefs.h> 34343044c4SJared McNeill __FBSDID("$FreeBSD$"); 35343044c4SJared McNeill 36343044c4SJared McNeill #include <sys/param.h> 37343044c4SJared McNeill #include <sys/systm.h> 38343044c4SJared McNeill #include <sys/bus.h> 39343044c4SJared McNeill #include <sys/rman.h> 40343044c4SJared McNeill #include <sys/kernel.h> 41343044c4SJared McNeill #include <sys/sysctl.h> 42d69d5ab0SJared McNeill #include <sys/reboot.h> 43343044c4SJared McNeill #include <sys/module.h> 44343044c4SJared McNeill #include <machine/bus.h> 45343044c4SJared McNeill 46343044c4SJared McNeill #include <dev/ofw/ofw_bus.h> 47343044c4SJared McNeill #include <dev/ofw/ofw_bus_subr.h> 48343044c4SJared McNeill 49d69d5ab0SJared McNeill #include <dev/extres/clk/clk.h> 50d69d5ab0SJared McNeill #include <dev/extres/hwreset/hwreset.h> 51d69d5ab0SJared McNeill 52343044c4SJared McNeill #include <arm/allwinner/aw_sid.h> 53343044c4SJared McNeill 54343044c4SJared McNeill #define THS_CTRL0 0x00 55d69d5ab0SJared McNeill #define THS_CTRL1 0x04 56d69d5ab0SJared McNeill #define ADC_CALI_EN (1 << 17) 57343044c4SJared McNeill #define THS_CTRL2 0x40 58343044c4SJared McNeill #define SENSOR_ACQ1_SHIFT 16 59343044c4SJared McNeill #define SENSOR2_EN (1 << 2) 60343044c4SJared McNeill #define SENSOR1_EN (1 << 1) 61343044c4SJared McNeill #define SENSOR0_EN (1 << 0) 62343044c4SJared McNeill #define THS_INTC 0x44 63343044c4SJared McNeill #define THS_INTS 0x48 64d69d5ab0SJared McNeill #define THS2_DATA_IRQ_STS (1 << 10) 65d69d5ab0SJared McNeill #define THS1_DATA_IRQ_STS (1 << 9) 66d69d5ab0SJared McNeill #define THS0_DATA_IRQ_STS (1 << 8) 67d69d5ab0SJared McNeill #define SHUT_INT2_STS (1 << 6) 68d69d5ab0SJared McNeill #define SHUT_INT1_STS (1 << 5) 69d69d5ab0SJared McNeill #define SHUT_INT0_STS (1 << 4) 70d69d5ab0SJared McNeill #define ALARM_INT2_STS (1 << 2) 71d69d5ab0SJared McNeill #define ALARM_INT1_STS (1 << 1) 72d69d5ab0SJared McNeill #define ALARM_INT0_STS (1 << 0) 73343044c4SJared McNeill #define THS_FILTER 0x70 74343044c4SJared McNeill #define THS_CALIB0 0x74 75343044c4SJared McNeill #define THS_CALIB1 0x78 76343044c4SJared McNeill #define THS_DATA0 0x80 77343044c4SJared McNeill #define THS_DATA1 0x84 78343044c4SJared McNeill #define THS_DATA2 0x88 79343044c4SJared McNeill #define DATA_MASK 0xfff 80343044c4SJared McNeill 81d69d5ab0SJared McNeill #define A83T_ADC_ACQUIRE_TIME 0x17 82d69d5ab0SJared McNeill #define A83T_FILTER 0x4 83d69d5ab0SJared McNeill #define A83T_INTC 0x1000 84d69d5ab0SJared McNeill #define A83T_TEMP_BASE 2719000 85d69d5ab0SJared McNeill #define A83T_TEMP_DIV 14186 86d69d5ab0SJared McNeill #define A83T_CLK_RATE 24000000 87d69d5ab0SJared McNeill 88d69d5ab0SJared McNeill #define A64_ADC_ACQUIRE_TIME 0x190 89d69d5ab0SJared McNeill #define A64_FILTER 0x6 90d69d5ab0SJared McNeill #define A64_INTC 0x18000 91d69d5ab0SJared McNeill #define A64_TEMP_BASE 2170000 92d69d5ab0SJared McNeill #define A64_TEMP_DIV 8560 93d69d5ab0SJared McNeill #define A64_CLK_RATE 4000000 94d69d5ab0SJared McNeill 95d69d5ab0SJared McNeill #define TEMP_C_TO_K 273 96343044c4SJared McNeill #define SENSOR_ENABLE_ALL (SENSOR0_EN|SENSOR1_EN|SENSOR2_EN) 97d69d5ab0SJared McNeill #define SHUT_INT_ALL (SHUT_INT0_STS|SHUT_INT1_STS|SHUT_INT2_STS) 98343044c4SJared McNeill 99d69d5ab0SJared McNeill #define MAX_SENSORS 3 100343044c4SJared McNeill 101d69d5ab0SJared McNeill struct aw_thermal_sensor { 102343044c4SJared McNeill const char *name; 103343044c4SJared McNeill const char *desc; 104343044c4SJared McNeill }; 105343044c4SJared McNeill 106d69d5ab0SJared McNeill struct aw_thermal_config { 107d69d5ab0SJared McNeill struct aw_thermal_sensor sensors[MAX_SENSORS]; 108d69d5ab0SJared McNeill int nsensors; 109d69d5ab0SJared McNeill uint64_t clk_rate; 110d69d5ab0SJared McNeill uint32_t adc_acquire_time; 111d69d5ab0SJared McNeill uint32_t filter; 112d69d5ab0SJared McNeill uint32_t intc; 113d69d5ab0SJared McNeill uint32_t temp_base; 114d69d5ab0SJared McNeill uint32_t temp_div; 115d69d5ab0SJared McNeill }; 116d69d5ab0SJared McNeill 117d69d5ab0SJared McNeill static const struct aw_thermal_config a83t_config = { 118d69d5ab0SJared McNeill .nsensors = 3, 119d69d5ab0SJared McNeill .sensors = { 120d69d5ab0SJared McNeill [0] = { 121d69d5ab0SJared McNeill .name = "cluster0", 122d69d5ab0SJared McNeill .desc = "CPU cluster 0 temperature", 123d69d5ab0SJared McNeill }, 124d69d5ab0SJared McNeill [1] = { 125d69d5ab0SJared McNeill .name = "cluster1", 126d69d5ab0SJared McNeill .desc = "CPU cluster 1 temperature", 127d69d5ab0SJared McNeill }, 128d69d5ab0SJared McNeill [2] = { 129d69d5ab0SJared McNeill .name = "gpu", 130d69d5ab0SJared McNeill .desc = "GPU temperature", 131d69d5ab0SJared McNeill }, 132d69d5ab0SJared McNeill }, 133d69d5ab0SJared McNeill .clk_rate = A83T_CLK_RATE, 134d69d5ab0SJared McNeill .adc_acquire_time = A83T_ADC_ACQUIRE_TIME, 135d69d5ab0SJared McNeill .filter = A83T_FILTER, 136d69d5ab0SJared McNeill .intc = A83T_INTC, 137d69d5ab0SJared McNeill .temp_base = A83T_TEMP_BASE, 138d69d5ab0SJared McNeill .temp_div = A83T_TEMP_DIV, 139d69d5ab0SJared McNeill }; 140d69d5ab0SJared McNeill 141d69d5ab0SJared McNeill static const struct aw_thermal_config a64_config = { 142d69d5ab0SJared McNeill .nsensors = 3, 143d69d5ab0SJared McNeill .sensors = { 144d69d5ab0SJared McNeill [0] = { 145d69d5ab0SJared McNeill .name = "cpu", 146d69d5ab0SJared McNeill .desc = "CPU temperature", 147d69d5ab0SJared McNeill }, 148d69d5ab0SJared McNeill [1] = { 149d69d5ab0SJared McNeill .name = "gpu1", 150d69d5ab0SJared McNeill .desc = "GPU temperature 1", 151d69d5ab0SJared McNeill }, 152d69d5ab0SJared McNeill [2] = { 153d69d5ab0SJared McNeill .name = "gpu2", 154d69d5ab0SJared McNeill .desc = "GPU temperature 2", 155d69d5ab0SJared McNeill }, 156d69d5ab0SJared McNeill }, 157d69d5ab0SJared McNeill .clk_rate = A64_CLK_RATE, 158d69d5ab0SJared McNeill .adc_acquire_time = A64_ADC_ACQUIRE_TIME, 159d69d5ab0SJared McNeill .filter = A64_FILTER, 160d69d5ab0SJared McNeill .intc = A64_INTC, 161d69d5ab0SJared McNeill .temp_base = A64_TEMP_BASE, 162d69d5ab0SJared McNeill .temp_div = A64_TEMP_DIV, 163343044c4SJared McNeill }; 164343044c4SJared McNeill 165343044c4SJared McNeill static struct ofw_compat_data compat_data[] = { 166d69d5ab0SJared McNeill { "allwinner,sun8i-a83t-ts", (uintptr_t)&a83t_config }, 167d69d5ab0SJared McNeill { "allwinner,sun50i-a64-ts", (uintptr_t)&a64_config }, 168343044c4SJared McNeill { NULL, (uintptr_t)NULL } 169343044c4SJared McNeill }; 170343044c4SJared McNeill 171343044c4SJared McNeill #define THS_CONF(d) \ 172343044c4SJared McNeill (void *)ofw_bus_search_compatible((d), compat_data)->ocd_data 173343044c4SJared McNeill 174343044c4SJared McNeill struct aw_thermal_softc { 175d69d5ab0SJared McNeill struct resource *res[2]; 176d69d5ab0SJared McNeill struct aw_thermal_config *conf; 177343044c4SJared McNeill }; 178343044c4SJared McNeill 179343044c4SJared McNeill static struct resource_spec aw_thermal_spec[] = { 180343044c4SJared McNeill { SYS_RES_MEMORY, 0, RF_ACTIVE }, 181d69d5ab0SJared McNeill { SYS_RES_IRQ, 0, RF_ACTIVE }, 182343044c4SJared McNeill { -1, 0 } 183343044c4SJared McNeill }; 184343044c4SJared McNeill 185d69d5ab0SJared McNeill #define RD4(sc, reg) bus_read_4((sc)->res[0], (reg)) 186d69d5ab0SJared McNeill #define WR4(sc, reg, val) bus_write_4((sc)->res[0], (reg), (val)) 187343044c4SJared McNeill 188343044c4SJared McNeill static int 189343044c4SJared McNeill aw_thermal_init(struct aw_thermal_softc *sc) 190343044c4SJared McNeill { 191343044c4SJared McNeill uint32_t calib0, calib1; 192343044c4SJared McNeill int error; 193343044c4SJared McNeill 194343044c4SJared McNeill /* Read calibration settings from SRAM */ 195343044c4SJared McNeill error = aw_sid_read_tscalib(&calib0, &calib1); 196343044c4SJared McNeill if (error != 0) 197343044c4SJared McNeill return (error); 198343044c4SJared McNeill 199343044c4SJared McNeill /* Write calibration settings to thermal controller */ 200343044c4SJared McNeill WR4(sc, THS_CALIB0, calib0); 201343044c4SJared McNeill WR4(sc, THS_CALIB1, calib1); 202343044c4SJared McNeill 203343044c4SJared McNeill /* Configure ADC acquire time (CLK_IN/(N+1)) and enable sensors */ 204d69d5ab0SJared McNeill WR4(sc, THS_CTRL1, ADC_CALI_EN); 205d69d5ab0SJared McNeill WR4(sc, THS_CTRL0, sc->conf->adc_acquire_time); 206d69d5ab0SJared McNeill WR4(sc, THS_CTRL2, sc->conf->adc_acquire_time << SENSOR_ACQ1_SHIFT); 207343044c4SJared McNeill 208343044c4SJared McNeill /* Enable average filter */ 209d69d5ab0SJared McNeill WR4(sc, THS_FILTER, sc->conf->filter); 210d69d5ab0SJared McNeill 211d69d5ab0SJared McNeill /* Enable interrupts */ 212d69d5ab0SJared McNeill WR4(sc, THS_INTS, RD4(sc, THS_INTS)); 213d69d5ab0SJared McNeill WR4(sc, THS_INTC, sc->conf->intc | SHUT_INT_ALL); 214d69d5ab0SJared McNeill 215d69d5ab0SJared McNeill /* Enable sensors */ 216d69d5ab0SJared McNeill WR4(sc, THS_CTRL2, RD4(sc, THS_CTRL2) | SENSOR_ENABLE_ALL); 217343044c4SJared McNeill 218343044c4SJared McNeill return (0); 219343044c4SJared McNeill } 220343044c4SJared McNeill 221343044c4SJared McNeill static int 222d69d5ab0SJared McNeill aw_thermal_reg_to_temp(struct aw_thermal_softc *sc, uint32_t val) 223343044c4SJared McNeill { 224d69d5ab0SJared McNeill return ((sc->conf->temp_base - val * 1000) / sc->conf->temp_div); 225d69d5ab0SJared McNeill } 226343044c4SJared McNeill 227d69d5ab0SJared McNeill static int 228d69d5ab0SJared McNeill aw_thermal_gettemp(struct aw_thermal_softc *sc, int sensor) 229d69d5ab0SJared McNeill { 230d69d5ab0SJared McNeill uint32_t val; 231d69d5ab0SJared McNeill 232d69d5ab0SJared McNeill val = RD4(sc, THS_DATA0 + (sensor * 4)); 233d69d5ab0SJared McNeill 234d69d5ab0SJared McNeill return (aw_thermal_reg_to_temp(sc, val) + TEMP_C_TO_K); 235343044c4SJared McNeill } 236343044c4SJared McNeill 237343044c4SJared McNeill static int 238343044c4SJared McNeill aw_thermal_sysctl(SYSCTL_HANDLER_ARGS) 239343044c4SJared McNeill { 240343044c4SJared McNeill struct aw_thermal_softc *sc; 241d69d5ab0SJared McNeill int sensor, val; 242343044c4SJared McNeill 243343044c4SJared McNeill sc = arg1; 244343044c4SJared McNeill sensor = arg2; 245343044c4SJared McNeill 246d69d5ab0SJared McNeill val = aw_thermal_gettemp(sc, sensor); 247343044c4SJared McNeill 248343044c4SJared McNeill return sysctl_handle_opaque(oidp, &val, sizeof(val), req); 249343044c4SJared McNeill } 250343044c4SJared McNeill 251d69d5ab0SJared McNeill static void 252d69d5ab0SJared McNeill aw_thermal_intr(void *arg) 253d69d5ab0SJared McNeill { 254d69d5ab0SJared McNeill struct aw_thermal_softc *sc; 255d69d5ab0SJared McNeill device_t dev; 256d69d5ab0SJared McNeill uint32_t ints; 257d69d5ab0SJared McNeill 258d69d5ab0SJared McNeill dev = arg; 259d69d5ab0SJared McNeill sc = device_get_softc(dev); 260d69d5ab0SJared McNeill 261d69d5ab0SJared McNeill ints = RD4(sc, THS_INTS); 262d69d5ab0SJared McNeill WR4(sc, THS_INTS, ints); 263d69d5ab0SJared McNeill 264d69d5ab0SJared McNeill if ((ints & SHUT_INT_ALL) != 0) { 265d69d5ab0SJared McNeill device_printf(dev, 266d69d5ab0SJared McNeill "WARNING - current temperature exceeds safe limits\n"); 267d69d5ab0SJared McNeill shutdown_nice(RB_POWEROFF); 268d69d5ab0SJared McNeill } 269d69d5ab0SJared McNeill } 270d69d5ab0SJared McNeill 271343044c4SJared McNeill static int 272343044c4SJared McNeill aw_thermal_probe(device_t dev) 273343044c4SJared McNeill { 274343044c4SJared McNeill if (!ofw_bus_status_okay(dev)) 275343044c4SJared McNeill return (ENXIO); 276343044c4SJared McNeill 277343044c4SJared McNeill if (THS_CONF(dev) == NULL) 278343044c4SJared McNeill return (ENXIO); 279343044c4SJared McNeill 280343044c4SJared McNeill device_set_desc(dev, "Allwinner Thermal Sensor Controller"); 281343044c4SJared McNeill return (BUS_PROBE_DEFAULT); 282343044c4SJared McNeill } 283343044c4SJared McNeill 284343044c4SJared McNeill static int 285343044c4SJared McNeill aw_thermal_attach(device_t dev) 286343044c4SJared McNeill { 287343044c4SJared McNeill struct aw_thermal_softc *sc; 288d69d5ab0SJared McNeill clk_t clk_ahb, clk_ths; 289d69d5ab0SJared McNeill hwreset_t rst; 290d69d5ab0SJared McNeill int i, error; 291d69d5ab0SJared McNeill void *ih; 292343044c4SJared McNeill 293343044c4SJared McNeill sc = device_get_softc(dev); 294d69d5ab0SJared McNeill clk_ahb = clk_ths = NULL; 295d69d5ab0SJared McNeill rst = NULL; 296d69d5ab0SJared McNeill ih = NULL; 297343044c4SJared McNeill 298343044c4SJared McNeill sc->conf = THS_CONF(dev); 299343044c4SJared McNeill 300d69d5ab0SJared McNeill if (bus_alloc_resources(dev, aw_thermal_spec, sc->res) != 0) { 301343044c4SJared McNeill device_printf(dev, "cannot allocate resources for device\n"); 302343044c4SJared McNeill return (ENXIO); 303343044c4SJared McNeill } 304343044c4SJared McNeill 305d69d5ab0SJared McNeill if (clk_get_by_ofw_name(dev, 0, "ahb", &clk_ahb) == 0) { 306d69d5ab0SJared McNeill error = clk_enable(clk_ahb); 307d69d5ab0SJared McNeill if (error != 0) { 308d69d5ab0SJared McNeill device_printf(dev, "cannot enable ahb clock\n"); 309d69d5ab0SJared McNeill goto fail; 310d69d5ab0SJared McNeill } 311d69d5ab0SJared McNeill } 312d69d5ab0SJared McNeill if (clk_get_by_ofw_name(dev, 0, "ths", &clk_ths) == 0) { 313d69d5ab0SJared McNeill error = clk_set_freq(clk_ths, sc->conf->clk_rate, 0); 314d69d5ab0SJared McNeill if (error != 0) { 315d69d5ab0SJared McNeill device_printf(dev, "cannot set ths clock rate\n"); 316d69d5ab0SJared McNeill goto fail; 317d69d5ab0SJared McNeill } 318d69d5ab0SJared McNeill error = clk_enable(clk_ths); 319d69d5ab0SJared McNeill if (error != 0) { 320d69d5ab0SJared McNeill device_printf(dev, "cannot enable ths clock\n"); 321d69d5ab0SJared McNeill goto fail; 322d69d5ab0SJared McNeill } 323d69d5ab0SJared McNeill } 324d69d5ab0SJared McNeill if (hwreset_get_by_ofw_idx(dev, 0, 0, &rst) == 0) { 325d69d5ab0SJared McNeill error = hwreset_deassert(rst); 326d69d5ab0SJared McNeill if (error != 0) { 327d69d5ab0SJared McNeill device_printf(dev, "cannot de-assert reset\n"); 328d69d5ab0SJared McNeill goto fail; 329d69d5ab0SJared McNeill } 330d69d5ab0SJared McNeill } 331343044c4SJared McNeill 332d69d5ab0SJared McNeill error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_MISC | INTR_MPSAFE, 333d69d5ab0SJared McNeill NULL, aw_thermal_intr, dev, &ih); 334d69d5ab0SJared McNeill if (error != 0) { 335d69d5ab0SJared McNeill device_printf(dev, "cannot setup interrupt handler\n"); 336d69d5ab0SJared McNeill goto fail; 337d69d5ab0SJared McNeill } 338d69d5ab0SJared McNeill 339d69d5ab0SJared McNeill if (aw_thermal_init(sc) != 0) 340d69d5ab0SJared McNeill goto fail; 341d69d5ab0SJared McNeill 342d69d5ab0SJared McNeill for (i = 0; i < sc->conf->nsensors; i++) 343343044c4SJared McNeill SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 344343044c4SJared McNeill SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 345d69d5ab0SJared McNeill OID_AUTO, sc->conf->sensors[i].name, 346343044c4SJared McNeill CTLTYPE_INT | CTLFLAG_RD, 347d69d5ab0SJared McNeill sc, i, aw_thermal_sysctl, "IK0", 348d69d5ab0SJared McNeill sc->conf->sensors[i].desc); 349343044c4SJared McNeill 350343044c4SJared McNeill return (0); 351d69d5ab0SJared McNeill 352d69d5ab0SJared McNeill fail: 353d69d5ab0SJared McNeill if (ih != NULL) 354d69d5ab0SJared McNeill bus_teardown_intr(dev, sc->res[1], ih); 355d69d5ab0SJared McNeill if (rst != NULL) 356d69d5ab0SJared McNeill hwreset_release(rst); 357d69d5ab0SJared McNeill if (clk_ahb != NULL) 358d69d5ab0SJared McNeill clk_release(clk_ahb); 359d69d5ab0SJared McNeill if (clk_ths != NULL) 360d69d5ab0SJared McNeill clk_release(clk_ths); 361d69d5ab0SJared McNeill bus_release_resources(dev, aw_thermal_spec, sc->res); 362d69d5ab0SJared McNeill 363d69d5ab0SJared McNeill return (ENXIO); 364343044c4SJared McNeill } 365343044c4SJared McNeill 366343044c4SJared McNeill static device_method_t aw_thermal_methods[] = { 367343044c4SJared McNeill /* Device interface */ 368343044c4SJared McNeill DEVMETHOD(device_probe, aw_thermal_probe), 369343044c4SJared McNeill DEVMETHOD(device_attach, aw_thermal_attach), 370343044c4SJared McNeill 371343044c4SJared McNeill DEVMETHOD_END 372343044c4SJared McNeill }; 373343044c4SJared McNeill 374343044c4SJared McNeill static driver_t aw_thermal_driver = { 375343044c4SJared McNeill "aw_thermal", 376343044c4SJared McNeill aw_thermal_methods, 377343044c4SJared McNeill sizeof(struct aw_thermal_softc), 378343044c4SJared McNeill }; 379343044c4SJared McNeill 380343044c4SJared McNeill static devclass_t aw_thermal_devclass; 381343044c4SJared McNeill 382343044c4SJared McNeill DRIVER_MODULE(aw_thermal, simplebus, aw_thermal_driver, aw_thermal_devclass, 383343044c4SJared McNeill 0, 0); 384343044c4SJared McNeill MODULE_VERSION(aw_thermal, 1); 385