Lines Matching +full:multi +full:- +full:sensor
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2009-2012 Jung-uk Kim <jkim@FreeBSD.org>
8 * Copyright (c) 2017-2020 Conrad Meyer <cem@FreeBSD.org>. All rights reserved.
33 * Driver for the AMD CPU on-die thermal sensors.
77 NUM_CCDS = CCD_MAX - CCD_BASE + 1,
85 #define AMDTEMP_FLAG_CT_10BIT 0x02 /* CurTmp is 10-bit wide. */
86 #define AMDTEMP_FLAG_ALT_OFFSET 0x04 /* CurTmp starts at -28C. */
151 * Reported Temperature Control Register, family 0Fh-15h (some models), 16h.
171 * According to AMD OSRR for 17H, section 4.2.1, bits 31-21 of this register
174 * to -49..206C.
179 * Bits 16-17, when set, mean that CUR_TMP is read-write. When it is, the
188 * SMU::THM). It seems plausible and the Linux sensor folks have adopted it.
227 static int32_t amdtemp_gettemp0f(device_t dev, amdsensor_t sensor);
228 static int32_t amdtemp_gettemp(device_t dev, amdsensor_t sensor);
229 static int32_t amdtemp_gettemp15hm60h(device_t dev, amdsensor_t sensor);
230 static int32_t amdtemp_gettemp17h(device_t dev, amdsensor_t sensor);
284 if (device_find_child(parent, "amdtemp", -1) != NULL) in amdtemp_identify()
326 device_set_desc(dev, "AMD CPU On-Die Thermal Sensors"); in amdtemp_probe()
358 * revision multi-socket system where the attach thread is potentially in amdtemp_attach()
368 if (product->amdtemp_has_cpuid && (family > 0x0f || in amdtemp_attach()
381 * - ThermSenseCoreSel in amdtemp_attach()
383 * Revision F & G: 0 - Core1, 1 - Core0 in amdtemp_attach()
384 * Other: 0 - Core0, 1 - Core1 in amdtemp_attach()
386 * - CurTmp in amdtemp_attach()
388 * Revision G: bits 23-14 in amdtemp_attach()
389 * Other: bits 23-16 in amdtemp_attach()
399 * XXX According to Linux, CurTmp starts at -28C on in amdtemp_attach()
404 sc->sc_flags |= AMDTEMP_FLAG_CS_SWAP; in amdtemp_attach()
415 sc->sc_flags |= in amdtemp_attach()
422 sc->sc_flags |= in amdtemp_attach()
426 sc->sc_flags |= AMDTEMP_FLAG_ALT_OFFSET; in amdtemp_attach()
428 sc->sc_flags |= AMDTEMP_FLAG_CT_10BIT; in amdtemp_attach()
434 sc->sc_ntemps = 2; in amdtemp_attach()
436 sc->sc_gettemp = amdtemp_gettemp0f; in amdtemp_attach()
456 /* XXX 00100F42h (RB-C2) exists in both formats. */ in amdtemp_attach()
466 sc->sc_ntemps = 1; in amdtemp_attach()
470 * from 17h and the decoding matches other 10h-15h models, in amdtemp_attach()
474 sc->sc_gettemp = amdtemp_gettemp15hm60h; in amdtemp_attach()
477 sc->sc_gettemp = amdtemp_gettemp; in amdtemp_attach()
482 sc->sc_ntemps = 1; in amdtemp_attach()
483 sc->sc_gettemp = amdtemp_gettemp17h; in amdtemp_attach()
492 sc->sc_smn = device_find_child( in amdtemp_attach()
493 device_get_parent(dev), "amdsmn", -1); in amdtemp_attach()
494 if (sc->sc_smn == NULL) { in amdtemp_attach()
502 sc->sc_ncores = (amd_feature2 & AMDID2_CMP) != 0 ? in amdtemp_attach()
504 if (sc->sc_ncores > MAXCPU) in amdtemp_attach()
507 mtx_init(&sc->sc_lock, "amdtemp", NULL, MTX_DEF); in amdtemp_attach()
513 sc->sc_ncores, in amdtemp_attach()
514 sc->sc_ntemps > 1 ? sc->sc_ntemps * sc->sc_ncores : 1); in amdtemp_attach()
521 TUNABLE_INT_FETCH(tn, &sc->sc_offset); in amdtemp_attach()
526 "sensor_offset", CTLFLAG_RW, &sc->sc_offset, 0, in amdtemp_attach()
527 "Temperature sensor offset"); in amdtemp_attach()
537 "Core 0 / Sensor 0 temperature"); in amdtemp_attach()
539 sc->sc_temp_base = AMDTEMP_17H_CCD_TMP_BASE; in amdtemp_attach()
547 else if (sc->sc_ntemps > 1) { in amdtemp_attach()
553 "Core 0 / Sensor 1 temperature"); in amdtemp_attach()
555 if (sc->sc_ncores > 1) { in amdtemp_attach()
566 "Core 1 / Sensor 0 temperature"); in amdtemp_attach()
573 "Core 1 / Sensor 1 temperature"); in amdtemp_attach()
583 sc->sc_ich.ich_func = amdtemp_intrhook; in amdtemp_attach()
584 sc->sc_ich.ich_arg = dev; in amdtemp_attach()
585 if (config_intrhook_establish(&sc->sc_ich) != 0) { in amdtemp_attach()
600 amdsensor_t sensor; in amdtemp_intrhook() local
611 for (i = 0; i < sc->sc_ncores; i++) { in amdtemp_intrhook()
612 if (sc->sc_sysctl_cpu[i] != NULL) in amdtemp_intrhook()
615 device_get_unit(dev) * sc->sc_ncores + i); in amdtemp_intrhook()
619 sensor = sc->sc_ntemps > 1 ? in amdtemp_intrhook()
621 sc->sc_sysctl_cpu[i] = SYSCTL_ADD_PROC(sysctlctx, in amdtemp_intrhook()
625 dev, sensor, amdtemp_sysctl, "IK", in amdtemp_intrhook()
629 if (sc->sc_ich.ich_arg != NULL) in amdtemp_intrhook()
630 config_intrhook_disestablish(&sc->sc_ich); in amdtemp_intrhook()
639 for (i = 0; i < sc->sc_ncores; i++) in amdtemp_detach()
640 if (sc->sc_sysctl_cpu[i] != NULL) in amdtemp_detach()
641 sysctl_remove_oid(sc->sc_sysctl_cpu[i], 1, 0); in amdtemp_detach()
645 mtx_destroy(&sc->sc_lock); in amdtemp_detach()
654 amdsensor_t sensor = (amdsensor_t)arg2; in amdtemp_sysctl() local
658 switch (sensor) { in amdtemp_sysctl()
660 auxtemp[0] = sc->sc_gettemp(dev, CORE0_SENSOR0); in amdtemp_sysctl()
661 auxtemp[1] = sc->sc_gettemp(dev, CORE0_SENSOR1); in amdtemp_sysctl()
665 auxtemp[0] = sc->sc_gettemp(dev, CORE1_SENSOR0); in amdtemp_sysctl()
666 auxtemp[1] = sc->sc_gettemp(dev, CORE1_SENSOR1); in amdtemp_sysctl()
670 temp = sc->sc_gettemp(dev, sensor); in amdtemp_sysctl()
681 amdtemp_gettemp0f(device_t dev, amdsensor_t sensor) in amdtemp_gettemp0f() argument
686 mtx_lock(&sc->sc_lock); in amdtemp_gettemp0f()
688 /* Set Sensor/Core selector. */ in amdtemp_gettemp0f()
691 switch (sensor) { in amdtemp_gettemp0f()
697 if ((sc->sc_flags & AMDTEMP_FLAG_CS_SWAP) != 0) in amdtemp_gettemp0f()
705 if ((sc->sc_flags & AMDTEMP_FLAG_CS_SWAP) == 0) in amdtemp_gettemp0f()
713 mask = (sc->sc_flags & AMDTEMP_FLAG_CT_10BIT) != 0 ? 0x3ff : 0x3fc; in amdtemp_gettemp0f()
714 offset = (sc->sc_flags & AMDTEMP_FLAG_ALT_OFFSET) != 0 ? 28 : 49; in amdtemp_gettemp0f()
717 temp += AMDTEMP_ZERO_C_TO_K + (sc->sc_offset - offset) * 10; in amdtemp_gettemp0f()
719 mtx_unlock(&sc->sc_lock); in amdtemp_gettemp0f()
732 temp -= AMDTEMP_CURTMP_RANGE_ADJUST; in amdtemp_decode_fam10h_to_17h()
768 amdtemp_gettemp(device_t dev, amdsensor_t sensor) in amdtemp_gettemp() argument
774 return (amdtemp_decode_fam10h_to_16h(sc->sc_offset, temp)); in amdtemp_gettemp()
778 amdtemp_gettemp15hm60h(device_t dev, amdsensor_t sensor) in amdtemp_gettemp15hm60h() argument
784 error = amdsmn_read(sc->sc_smn, AMDTEMP_15H_M60H_REPTMP_CTRL, &val); in amdtemp_gettemp15hm60h()
786 return (amdtemp_decode_fam10h_to_16h(sc->sc_offset, val)); in amdtemp_gettemp15hm60h()
790 amdtemp_gettemp17h(device_t dev, amdsensor_t sensor) in amdtemp_gettemp17h() argument
796 switch (sensor) { in amdtemp_gettemp17h()
799 error = amdsmn_read(sc->sc_smn, AMDTEMP_17H_CUR_TMP, &val); in amdtemp_gettemp17h()
801 return (amdtemp_decode_fam17h_tctl(sc->sc_offset, val)); in amdtemp_gettemp17h()
804 error = amdsmn_read(sc->sc_smn, sc->sc_temp_base + in amdtemp_gettemp17h()
805 (((int)sensor - CCD_BASE) * sizeof(val)), &val); in amdtemp_gettemp17h()
808 ("sensor %d: not valid", (int)sensor)); in amdtemp_gettemp17h()
809 return (amdtemp_decode_fam10h_to_17h(sc->sc_offset, val, true)); in amdtemp_gettemp17h()
825 error = amdsmn_read(sc->sc_smn, sc->sc_temp_base + in amdtemp_probe_ccd_sensors()
881 sc->sc_temp_base = AMDTEMP_ZEN4_10H_CCD_TMP_BASE; in amdtemp_probe_ccd_sensors19h()
888 sc->sc_temp_base = AMDTEMP_ZEN4_CCD_TMP_BASE; in amdtemp_probe_ccd_sensors19h()
909 sc->sc_temp_base = AMDTEMP_ZEN4_CCD_TMP_BASE; in amdtemp_probe_ccd_sensors1ah()