dbcool_var.h revision 1.18
1 /* $NetBSD: dbcool_var.h,v 1.18 2025/09/21 13:54:56 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Goyette 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * A driver for dbCool(tm) family of environmental controllers 34 */ 35 36 #ifndef DBCOOLVAR_H 37 #define DBCOOLVAR_H 38 39 #ifdef DEBUG 40 #define DBCOOL_DEBUG 41 #endif 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: dbcool_var.h,v 1.18 2025/09/21 13:54:56 thorpej Exp $"); 45 46 #include <dev/i2c/i2cvar.h> 47 48 #include <dev/sysmon/sysmonvar.h> 49 50 #include <dev/i2c/dbcool_reg.h> 51 52 enum dbc_pwm_params { 53 DBC_PWM_BEHAVIOR = 0, 54 DBC_PWM_MIN_DUTY, 55 DBC_PWM_MAX_DUTY, 56 DBC_PWM_CUR_DUTY, 57 DBC_PWM_LAST_PARAM 58 }; 59 60 enum dbc_sensor_type { 61 DBC_CTL = 0, 62 DBC_TEMP, 63 DBC_VOLT, 64 DBC_FAN, 65 DBC_VID, 66 DBC_EOF 67 }; 68 69 #define DBCFLAG_TEMPOFFSET 0x0001 70 #define DBCFLAG_HAS_MAXDUTY 0x0002 71 #define DBCFLAG_HAS_SHDN 0x0004 72 #define DBCFLAG_MULTI_VCC 0x0008 73 #define DBCFLAG_4BIT_VER 0x0010 74 #define DBCFLAG_OBSOLETE 0x0020 /* was DBCFLAG_HAS_VID */ 75 #define DBCFLAG_HAS_VID_SEL 0x0040 76 #define DBCFLAG_HAS_PECI 0x0080 77 #define DBCFLAG_NO_READBYTE 0x1000 78 #define DBCFLAG_ADM1030 0x2000 79 #define DBCFLAG_ADT7466 0x4000 80 81 /* Maximum sensors for any dbCool device */ 82 #define DBCOOL_MAXSENSORS 16 83 84 struct reg_list { 85 uint8_t val_reg; 86 uint8_t hi_lim_reg; 87 uint8_t lo_lim_reg; 88 }; 89 90 struct dbcool_sensor { 91 enum dbc_sensor_type type; 92 struct reg_list reg; 93 int name_index; 94 int sysctl_index; 95 int nom_volt_index; 96 }; 97 98 /* 99 * The members of dbcool_power_control need to stay in the same order 100 * as the enum dbc_pwm_params above 101 */ 102 struct dbcool_power_control { 103 uint8_t power_regs[DBC_PWM_LAST_PARAM]; 104 const char *desc; 105 }; 106 107 struct chip_id; 108 109 struct dbcool_chipset { 110 i2c_tag_t dc_tag; 111 i2c_addr_t dc_addr; 112 void (*dc_writereg)(struct dbcool_chipset *, uint8_t, uint8_t); 113 uint8_t (*dc_readreg)(struct dbcool_chipset *, uint8_t); 114 struct chip_id *dc_chip; 115 }; 116 117 struct dbcool_softc { 118 device_t sc_dev; 119 struct sysmon_envsys *sc_sme; 120 struct dbcool_chipset sc_dc; 121 envsys_data_t sc_sensor[DBCOOL_MAXSENSORS]; 122 sysmon_envsys_lim_t sc_deflims[DBCOOL_MAXSENSORS]; 123 uint32_t sc_defprops[DBCOOL_MAXSENSORS]; 124 int sc_root_sysctl_num; 125 int sc_sysctl_num[DBCOOL_MAXSENSORS]; 126 struct reg_list *sc_regs[DBCOOL_MAXSENSORS]; 127 int sc_nom_volt[DBCOOL_MAXSENSORS]; 128 int sc_temp_offset; 129 int64_t sc_supply_voltage; 130 bool sc_suspend; 131 struct sysctllog *sc_sysctl_log; 132 #ifdef DBCOOL_DEBUG 133 uint8_t sc_user_reg; 134 #endif 135 }; 136 137 struct chip_id { 138 uint8_t company; 139 uint8_t device; 140 uint8_t rev; 141 struct dbcool_sensor *table; 142 struct dbcool_power_control *power; 143 int flags; 144 int rpm_dividend; 145 const char *name; 146 }; 147 148 /* 149 * Expose some routines for the macppc's ki2c match/attach routines 150 */ 151 uint8_t dbcool_readreg(struct dbcool_chipset *, uint8_t); 152 void dbcool_writereg(struct dbcool_chipset *, uint8_t, uint8_t); 153 void dbcool_setup(device_t); 154 int dbcool_chip_ident(struct dbcool_chipset *); 155 bool dbcool_pmf_suspend(device_t, const pmf_qual_t *); 156 bool dbcool_pmf_resume(device_t, const pmf_qual_t *); 157 158 #endif /* def DBCOOLVAR_H */ 159
Indexes created Tue Sep 23 21:09:50 GMT 2025