ibmhawk.c revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: ibmhawk.c,v 1.2.2.2 2011/02/17 12:00:12 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /*- 4 1.2.2.2 bouyer * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 1.2.2.2 bouyer * All rights reserved. 6 1.2.2.2 bouyer * 7 1.2.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 bouyer * by Juergen Hannken-Illjes. 9 1.2.2.2 bouyer * 10 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.2.2.2 bouyer * are met: 13 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.2.2.2 bouyer * 19 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 bouyer */ 31 1.2.2.2 bouyer 32 1.2.2.2 bouyer #include <sys/systm.h> 33 1.2.2.2 bouyer #include <sys/param.h> 34 1.2.2.2 bouyer #include <sys/kernel.h> 35 1.2.2.2 bouyer #include <sys/device.h> 36 1.2.2.2 bouyer #include <sys/bswap.h> 37 1.2.2.2 bouyer 38 1.2.2.2 bouyer #include <dev/sysmon/sysmonvar.h> 39 1.2.2.2 bouyer #include <dev/i2c/i2cvar.h> 40 1.2.2.2 bouyer #include <dev/i2c/ibmhawkreg.h> 41 1.2.2.2 bouyer #include <dev/i2c/ibmhawkvar.h> 42 1.2.2.2 bouyer 43 1.2.2.2 bouyer #if !defined(IBMHAWK_DEBUG) /* Set to 2 for verbose debug. */ 44 1.2.2.2 bouyer #if defined(DEBUG) 45 1.2.2.2 bouyer #define IBMHAWK_DEBUG 1 46 1.2.2.2 bouyer #else 47 1.2.2.2 bouyer #define IBMHAWK_DEBUG 0 48 1.2.2.2 bouyer #endif 49 1.2.2.2 bouyer #endif 50 1.2.2.2 bouyer 51 1.2.2.2 bouyer /* 52 1.2.2.2 bouyer * Known sensors. 53 1.2.2.2 bouyer */ 54 1.2.2.2 bouyer static struct ibmhawk_sensordesc { 55 1.2.2.2 bouyer const char *desc; 56 1.2.2.2 bouyer uint32_t units; 57 1.2.2.2 bouyer int offset; 58 1.2.2.2 bouyer } ibmhawk_sensors[] = { 59 1.2.2.2 bouyer { "Ambient temperature", ENVSYS_STEMP, IBMHAWK_T_AMBIENT }, 60 1.2.2.2 bouyer { "CPU 1 temperature", ENVSYS_STEMP, IBMHAWK_T_CPU }, 61 1.2.2.2 bouyer { "CPU 2 temperature", ENVSYS_STEMP, IBMHAWK_T_CPU+1 }, 62 1.2.2.2 bouyer { "12 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE }, 63 1.2.2.2 bouyer { "5 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+1 }, 64 1.2.2.2 bouyer { "3.3 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+2 }, 65 1.2.2.2 bouyer { "2.5 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+3 }, 66 1.2.2.2 bouyer { "1.5 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+4 }, 67 1.2.2.2 bouyer { "1.25 Voltage sensor", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+5 }, 68 1.2.2.2 bouyer { "VRM 1", ENVSYS_SVOLTS_DC, IBMHAWK_V_VOLTAGE+6 }, 69 1.2.2.2 bouyer { "Fan 1", ENVSYS_SFANRPM, IBMHAWK_F_FAN }, 70 1.2.2.2 bouyer { "Fan 2", ENVSYS_SFANRPM, IBMHAWK_F_FAN+1 }, 71 1.2.2.2 bouyer { "Fan 3", ENVSYS_SFANRPM, IBMHAWK_F_FAN+2 }, 72 1.2.2.2 bouyer { "Fan 4", ENVSYS_SFANRPM, IBMHAWK_F_FAN+3 }, 73 1.2.2.2 bouyer { "Fan 5", ENVSYS_SFANRPM, IBMHAWK_F_FAN+4 }, 74 1.2.2.2 bouyer { "Fan 6", ENVSYS_SFANRPM, IBMHAWK_F_FAN+5 }, 75 1.2.2.2 bouyer }; 76 1.2.2.2 bouyer static const int ibmhawk_num_sensors = 77 1.2.2.2 bouyer (sizeof(ibmhawk_sensors)/sizeof(ibmhawk_sensors[0])); 78 1.2.2.2 bouyer 79 1.2.2.2 bouyer static int ibmhawk_match(device_t, cfdata_t, void *); 80 1.2.2.2 bouyer static void ibmhawk_attach(device_t, device_t, void *); 81 1.2.2.2 bouyer static int ibmhawk_detach(device_t, int); 82 1.2.2.2 bouyer static uint8_t ibmhawk_cksum(uint8_t *); 83 1.2.2.2 bouyer static int ibmhawk_request(struct ibmhawk_softc *, 84 1.2.2.2 bouyer uint8_t, ibmhawk_response_t *); 85 1.2.2.2 bouyer static uint32_t ibmhawk_normalize(int, uint32_t); 86 1.2.2.2 bouyer static void ibmhawk_set(struct ibmhawk_softc *, int, int, bool, bool); 87 1.2.2.2 bouyer static void ibmhawk_refreshall(struct ibmhawk_softc *, bool); 88 1.2.2.2 bouyer static void ibmhawk_refresh(struct sysmon_envsys *, envsys_data_t *); 89 1.2.2.2 bouyer static void ibmhawk_get_limits(struct sysmon_envsys *, envsys_data_t *, 90 1.2.2.2 bouyer sysmon_envsys_lim_t *, uint32_t *); 91 1.2.2.2 bouyer 92 1.2.2.2 bouyer CFATTACH_DECL_NEW(ibmhawk, sizeof(struct ibmhawk_softc), 93 1.2.2.2 bouyer ibmhawk_match, ibmhawk_attach, ibmhawk_detach, NULL); 94 1.2.2.2 bouyer 95 1.2.2.2 bouyer static int 96 1.2.2.2 bouyer ibmhawk_match(device_t parent, cfdata_t match, void *aux) 97 1.2.2.2 bouyer { 98 1.2.2.2 bouyer struct i2c_attach_args *ia = aux; 99 1.2.2.2 bouyer ibmhawk_response_t resp; 100 1.2.2.2 bouyer static struct ibmhawk_softc sc; 101 1.2.2.2 bouyer 102 1.2.2.2 bouyer sc.sc_tag = ia->ia_tag; 103 1.2.2.2 bouyer sc.sc_addr = ia->ia_addr; 104 1.2.2.2 bouyer if (ibmhawk_request(&sc, IHR_EQUIP, &resp)) 105 1.2.2.2 bouyer return 0; 106 1.2.2.2 bouyer return 1; 107 1.2.2.2 bouyer } 108 1.2.2.2 bouyer 109 1.2.2.2 bouyer static void 110 1.2.2.2 bouyer ibmhawk_attach(device_t parent, device_t self, void *aux) 111 1.2.2.2 bouyer { 112 1.2.2.2 bouyer struct ibmhawk_softc *sc = device_private(self); 113 1.2.2.2 bouyer struct i2c_attach_args *ia = aux; 114 1.2.2.2 bouyer ibmhawk_response_t resp; 115 1.2.2.2 bouyer int i; 116 1.2.2.2 bouyer 117 1.2.2.2 bouyer sc->sc_dev = self; 118 1.2.2.2 bouyer sc->sc_tag = ia->ia_tag; 119 1.2.2.2 bouyer sc->sc_addr = ia->ia_addr; 120 1.2.2.2 bouyer 121 1.2.2.2 bouyer if (!pmf_device_register(self, NULL, NULL)) 122 1.2.2.2 bouyer aprint_error_dev(self, "couldn't establish power handler\n"); 123 1.2.2.2 bouyer if (ibmhawk_request(sc, IHR_NAME, &resp)) { 124 1.2.2.2 bouyer aprint_normal(": communication failed\n"); 125 1.2.2.2 bouyer return; 126 1.2.2.2 bouyer } 127 1.2.2.2 bouyer aprint_normal(": IBM Hawk \"%.16s\"\n", resp.ihr_name); 128 1.2.2.2 bouyer if (ibmhawk_request(sc, IHR_EQUIP, &resp)) { 129 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, "equip query failed\n"); 130 1.2.2.2 bouyer return; 131 1.2.2.2 bouyer } 132 1.2.2.2 bouyer sc->sc_numcpus = min(resp.ihr_numcpus, IBMHAWK_MAX_CPU); 133 1.2.2.2 bouyer sc->sc_numfans = min(resp.ihr_numfans, IBMHAWK_MAX_FAN); 134 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 0 135 1.2.2.2 bouyer aprint_normal_dev(sc->sc_dev, "monitoring %d/%d cpu(s) %d/%d fan(s)\n", 136 1.2.2.2 bouyer sc->sc_numcpus, resp.ihr_numcpus, sc->sc_numfans, resp.ihr_numfans); 137 1.2.2.2 bouyer #endif 138 1.2.2.2 bouyer /* Request and set sensor thresholds. */ 139 1.2.2.2 bouyer if (ibmhawk_request(sc, IHR_TEMP_THR, &resp)) { 140 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, "temp threshold query failed\n"); 141 1.2.2.2 bouyer return; 142 1.2.2.2 bouyer } 143 1.2.2.2 bouyer for (i = 0; i < sc->sc_numcpus; i++) 144 1.2.2.2 bouyer sc->sc_sensordata[IBMHAWK_T_CPU+i].ihs_warnmax = 145 1.2.2.2 bouyer resp.ihr_t_warn_thr; 146 1.2.2.2 bouyer if (ibmhawk_request(sc, IHR_VOLT_THR, &resp)) { 147 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, "volt threshold query failed\n"); 148 1.2.2.2 bouyer return; 149 1.2.2.2 bouyer } 150 1.2.2.2 bouyer for (i = 0; i < IBMHAWK_MAX_VOLTAGE; i++) { 151 1.2.2.2 bouyer sc->sc_sensordata[IBMHAWK_V_VOLTAGE+i].ihs_warnmax = 152 1.2.2.2 bouyer bswap16(resp.ihr_v_voltage_thr[i*2]); 153 1.2.2.2 bouyer sc->sc_sensordata[IBMHAWK_V_VOLTAGE+i].ihs_warnmin = 154 1.2.2.2 bouyer bswap16(resp.ihr_v_voltage_thr[i*2+1]); 155 1.2.2.2 bouyer } 156 1.2.2.2 bouyer if ((sc->sc_sme = sysmon_envsys_create()) == NULL) { 157 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, "sysmon_envsys_create failed\n"); 158 1.2.2.2 bouyer return; 159 1.2.2.2 bouyer } 160 1.2.2.2 bouyer ibmhawk_refreshall(sc, true); 161 1.2.2.2 bouyer sc->sc_sme->sme_name = device_xname(sc->sc_dev); 162 1.2.2.2 bouyer sc->sc_sme->sme_cookie = sc; 163 1.2.2.2 bouyer sc->sc_sme->sme_refresh = ibmhawk_refresh; 164 1.2.2.2 bouyer sc->sc_sme->sme_get_limits = ibmhawk_get_limits; 165 1.2.2.2 bouyer if (sysmon_envsys_register(sc->sc_sme)) { 166 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, "sysmon_envsys_register failed\n"); 167 1.2.2.2 bouyer sysmon_envsys_destroy(sc->sc_sme); 168 1.2.2.2 bouyer sc->sc_sme = NULL; 169 1.2.2.2 bouyer return; 170 1.2.2.2 bouyer } 171 1.2.2.2 bouyer } 172 1.2.2.2 bouyer 173 1.2.2.2 bouyer static int 174 1.2.2.2 bouyer ibmhawk_detach(device_t self, int flags) 175 1.2.2.2 bouyer { 176 1.2.2.2 bouyer struct ibmhawk_softc *sc = device_private(self); 177 1.2.2.2 bouyer 178 1.2.2.2 bouyer if (sc->sc_sme) 179 1.2.2.2 bouyer sysmon_envsys_destroy(sc->sc_sme); 180 1.2.2.2 bouyer return 0; 181 1.2.2.2 bouyer } 182 1.2.2.2 bouyer 183 1.2.2.2 bouyer 184 1.2.2.2 bouyer /* 185 1.2.2.2 bouyer * Compute the message checksum. 186 1.2.2.2 bouyer */ 187 1.2.2.2 bouyer static uint8_t 188 1.2.2.2 bouyer ibmhawk_cksum(uint8_t *buf) 189 1.2.2.2 bouyer { 190 1.2.2.2 bouyer int len = *buf++; 191 1.2.2.2 bouyer int s = 0; 192 1.2.2.2 bouyer 193 1.2.2.2 bouyer while (--len > 0) 194 1.2.2.2 bouyer s += *buf++; 195 1.2.2.2 bouyer return -s; 196 1.2.2.2 bouyer } 197 1.2.2.2 bouyer 198 1.2.2.2 bouyer /* 199 1.2.2.2 bouyer * Request information from the management processor. 200 1.2.2.2 bouyer * The response will be zeroed on error. 201 1.2.2.2 bouyer * Request and response have the form <n> <data 0:n-2> <checksum>. 202 1.2.2.2 bouyer */ 203 1.2.2.2 bouyer static int 204 1.2.2.2 bouyer ibmhawk_request(struct ibmhawk_softc *sc, uint8_t request, 205 1.2.2.2 bouyer ibmhawk_response_t *response) 206 1.2.2.2 bouyer { 207 1.2.2.2 bouyer int i, error, retries;; 208 1.2.2.2 bouyer uint8_t buf[sizeof(ibmhawk_response_t)+3], dummy; 209 1.2.2.2 bouyer 210 1.2.2.2 bouyer error = EIO; /* Fail until we have a valid response. */ 211 1.2.2.2 bouyer retries = 0; 212 1.2.2.2 bouyer 213 1.2.2.2 bouyer if (iic_acquire_bus(sc->sc_tag, 0)) 214 1.2.2.2 bouyer return error; 215 1.2.2.2 bouyer 216 1.2.2.2 bouyer again: 217 1.2.2.2 bouyer memset(response, 0, sizeof(*response)); 218 1.2.2.2 bouyer 219 1.2.2.2 bouyer /* Build and send the request. */ 220 1.2.2.2 bouyer buf[0] = 2; 221 1.2.2.2 bouyer buf[1] = request; 222 1.2.2.2 bouyer buf[2] = ibmhawk_cksum(buf); 223 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 1 224 1.2.2.2 bouyer printf("["); 225 1.2.2.2 bouyer for (i = 0; i < 3; i++) 226 1.2.2.2 bouyer printf(" %02x", buf[i]); 227 1.2.2.2 bouyer printf(" ]"); 228 1.2.2.2 bouyer #endif 229 1.2.2.2 bouyer for (i = 0; i < 3; i++) 230 1.2.2.2 bouyer if (iic_smbus_send_byte(sc->sc_tag, sc->sc_addr, buf[i], 0)) 231 1.2.2.2 bouyer goto bad; 232 1.2.2.2 bouyer 233 1.2.2.2 bouyer /* Receive and check the response. */ 234 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 1 235 1.2.2.2 bouyer printf(" => ["); 236 1.2.2.2 bouyer #endif 237 1.2.2.2 bouyer if (iic_smbus_receive_byte(sc->sc_tag, sc->sc_addr, &buf[0], 0)) 238 1.2.2.2 bouyer goto bad; 239 1.2.2.2 bouyer if (buf[0] == 0 || buf[0] == 255) 240 1.2.2.2 bouyer goto bad; 241 1.2.2.2 bouyer for (i = 1; i < buf[0]+1; i++) 242 1.2.2.2 bouyer if (iic_smbus_receive_byte(sc->sc_tag, sc->sc_addr, 243 1.2.2.2 bouyer (i < sizeof buf ? &buf[i] : &dummy), 0)) 244 1.2.2.2 bouyer goto bad; 245 1.2.2.2 bouyer if (buf[0] >= sizeof(buf) || buf[1] != request || 246 1.2.2.2 bouyer ibmhawk_cksum(buf) != buf[buf[0]]) 247 1.2.2.2 bouyer goto bad; 248 1.2.2.2 bouyer if (buf[0] > 2) 249 1.2.2.2 bouyer memcpy(response, buf+2, buf[0]-2); 250 1.2.2.2 bouyer error = 0; 251 1.2.2.2 bouyer 252 1.2.2.2 bouyer bad: 253 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 1 254 1.2.2.2 bouyer for (i = 0; i < min(buf[0]+1, sizeof buf); i++) 255 1.2.2.2 bouyer printf(" %02x", buf[i]); 256 1.2.2.2 bouyer printf(" ] => %d\n", error); 257 1.2.2.2 bouyer #endif 258 1.2.2.2 bouyer if (error != 0 && retries++ < 3) 259 1.2.2.2 bouyer goto again; 260 1.2.2.2 bouyer 261 1.2.2.2 bouyer iic_release_bus(sc->sc_tag, 0); 262 1.2.2.2 bouyer return error; 263 1.2.2.2 bouyer } 264 1.2.2.2 bouyer 265 1.2.2.2 bouyer static uint32_t 266 1.2.2.2 bouyer ibmhawk_normalize(int value, uint32_t units) 267 1.2.2.2 bouyer { 268 1.2.2.2 bouyer 269 1.2.2.2 bouyer if (value == 0) 270 1.2.2.2 bouyer return 0; 271 1.2.2.2 bouyer 272 1.2.2.2 bouyer switch (units) { 273 1.2.2.2 bouyer case ENVSYS_STEMP: 274 1.2.2.2 bouyer return 273150000+1000000*value; 275 1.2.2.2 bouyer case ENVSYS_SVOLTS_DC: 276 1.2.2.2 bouyer return 10000*value; 277 1.2.2.2 bouyer default: 278 1.2.2.2 bouyer return value; 279 1.2.2.2 bouyer } 280 1.2.2.2 bouyer } 281 1.2.2.2 bouyer 282 1.2.2.2 bouyer static void 283 1.2.2.2 bouyer ibmhawk_set(struct ibmhawk_softc *sc, 284 1.2.2.2 bouyer int offset, int value, bool valid, bool create) 285 1.2.2.2 bouyer { 286 1.2.2.2 bouyer int i; 287 1.2.2.2 bouyer struct ibmhawk_sensordesc *sp; 288 1.2.2.2 bouyer struct ibmhawk_sensordata *sd; 289 1.2.2.2 bouyer envsys_data_t *dp; 290 1.2.2.2 bouyer 291 1.2.2.2 bouyer sd = &sc->sc_sensordata[offset]; 292 1.2.2.2 bouyer dp = &sd->ihs_edata; 293 1.2.2.2 bouyer sp = NULL; 294 1.2.2.2 bouyer if (create) { 295 1.2.2.2 bouyer for (i = 0; i < ibmhawk_num_sensors; i++) 296 1.2.2.2 bouyer if (ibmhawk_sensors[i].offset == offset) { 297 1.2.2.2 bouyer sp = ibmhawk_sensors+i; 298 1.2.2.2 bouyer break; 299 1.2.2.2 bouyer } 300 1.2.2.2 bouyer if (sp == NULL) { 301 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 0 302 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, 303 1.2.2.2 bouyer "offset %d: no sensor found\n", offset); 304 1.2.2.2 bouyer #endif 305 1.2.2.2 bouyer return; 306 1.2.2.2 bouyer } 307 1.2.2.2 bouyer strlcpy(dp->desc, sp->desc, sizeof(dp->desc)); 308 1.2.2.2 bouyer dp->units = sp->units; 309 1.2.2.2 bouyer if (sd->ihs_warnmin != 0 || sd->ihs_warnmax != 0) { 310 1.2.2.2 bouyer sd->ihs_warnmin = 311 1.2.2.2 bouyer ibmhawk_normalize(sd->ihs_warnmin, dp->units); 312 1.2.2.2 bouyer sd->ihs_warnmax = 313 1.2.2.2 bouyer ibmhawk_normalize(sd->ihs_warnmax, dp->units); 314 1.2.2.2 bouyer dp->flags |= ENVSYS_FMONLIMITS; 315 1.2.2.2 bouyer } 316 1.2.2.2 bouyer if (sysmon_envsys_sensor_attach(sc->sc_sme, dp)) 317 1.2.2.2 bouyer aprint_error_dev(sc->sc_dev, 318 1.2.2.2 bouyer "failed to attach \"%s\"\n", dp->desc); 319 1.2.2.2 bouyer } 320 1.2.2.2 bouyer 321 1.2.2.2 bouyer if (valid) { 322 1.2.2.2 bouyer dp->value_cur = ibmhawk_normalize(value, dp->units); 323 1.2.2.2 bouyer dp->state = ENVSYS_SVALID; 324 1.2.2.2 bouyer } else 325 1.2.2.2 bouyer dp->state = ENVSYS_SINVALID; 326 1.2.2.2 bouyer } 327 1.2.2.2 bouyer 328 1.2.2.2 bouyer static void 329 1.2.2.2 bouyer ibmhawk_refreshall(struct ibmhawk_softc *sc, bool create) 330 1.2.2.2 bouyer { 331 1.2.2.2 bouyer int i; 332 1.2.2.2 bouyer bool valid; 333 1.2.2.2 bouyer ibmhawk_response_t resp; 334 1.2.2.2 bouyer 335 1.2.2.2 bouyer valid = (ibmhawk_request(sc, IHR_TEMP, &resp) == 0); 336 1.2.2.2 bouyer ibmhawk_set(sc, IBMHAWK_T_AMBIENT, resp.ihr_t_ambient, valid, create); 337 1.2.2.2 bouyer for (i = 0; i < sc->sc_numcpus; i++) 338 1.2.2.2 bouyer ibmhawk_set(sc, IBMHAWK_T_CPU+i, 339 1.2.2.2 bouyer resp.ihr_t_cpu[i], valid, create); 340 1.2.2.2 bouyer 341 1.2.2.2 bouyer valid = (ibmhawk_request(sc, IHR_FANRPM, &resp) == 0); 342 1.2.2.2 bouyer for (i = 0; i < sc->sc_numfans; i++) 343 1.2.2.2 bouyer ibmhawk_set(sc, IBMHAWK_F_FAN+i, 344 1.2.2.2 bouyer bswap16(resp.ihr_fanrpm[i]), valid, create); 345 1.2.2.2 bouyer 346 1.2.2.2 bouyer valid = (ibmhawk_request(sc, IHR_VOLT, &resp) == 0); 347 1.2.2.2 bouyer for (i = 0; i < IBMHAWK_MAX_VOLTAGE; i++) 348 1.2.2.2 bouyer ibmhawk_set(sc, IBMHAWK_V_VOLTAGE+i, 349 1.2.2.2 bouyer bswap16(resp.ihr_v_voltage[i]), valid, create); 350 1.2.2.2 bouyer } 351 1.2.2.2 bouyer 352 1.2.2.2 bouyer static void 353 1.2.2.2 bouyer ibmhawk_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) 354 1.2.2.2 bouyer { 355 1.2.2.2 bouyer struct ibmhawk_softc *sc = sme->sme_cookie; 356 1.2.2.2 bouyer 357 1.2.2.2 bouyer /* No more than two refreshes per second. */ 358 1.2.2.2 bouyer if (hardclock_ticks-sc->sc_refresh < hz/2) 359 1.2.2.2 bouyer return; 360 1.2.2.2 bouyer #if IBMHAWK_DEBUG > 1 361 1.2.2.2 bouyer aprint_normal_dev(sc->sc_dev, "refresh \"%s\" delta %d\n", 362 1.2.2.2 bouyer edata->desc, hardclock_ticks-sc->sc_refresh); 363 1.2.2.2 bouyer #endif 364 1.2.2.2 bouyer sc->sc_refresh = hardclock_ticks; 365 1.2.2.2 bouyer ibmhawk_refreshall(sc, false); 366 1.2.2.2 bouyer } 367 1.2.2.2 bouyer 368 1.2.2.2 bouyer static void 369 1.2.2.2 bouyer ibmhawk_get_limits(struct sysmon_envsys *sme, envsys_data_t *edata, 370 1.2.2.2 bouyer sysmon_envsys_lim_t *limits, uint32_t *props) 371 1.2.2.2 bouyer { 372 1.2.2.2 bouyer struct ibmhawk_sensordata *sd = (struct ibmhawk_sensordata *)edata; 373 1.2.2.2 bouyer 374 1.2.2.2 bouyer if (sd->ihs_warnmin != 0) { 375 1.2.2.2 bouyer limits->sel_warnmin = sd->ihs_warnmin; 376 1.2.2.2 bouyer *props |= PROP_WARNMIN; 377 1.2.2.2 bouyer } 378 1.2.2.2 bouyer if (sd->ihs_warnmax != 0) { 379 1.2.2.2 bouyer limits->sel_warnmax = sd->ihs_warnmax; 380 1.2.2.2 bouyer *props |= PROP_WARNMAX; 381 1.2.2.2 bouyer } 382 1.2.2.2 bouyer } 383
Indexes created Tue Sep 30 11:09:46 GMT 2025