^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /***************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com> *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) ***************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "sch56xx-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define DRVNAME "sch5636"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define DEVNAME "theseus" /* We only support one model for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define SCH5636_REG_FUJITSU_ID 0x780
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define SCH5636_REG_FUJITSU_REV 0x783
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define SCH5636_NO_INS 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define SCH5636_NO_TEMPS 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define SCH5636_NO_FANS 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static const u16 SCH5636_REG_IN_VAL[SCH5636_NO_INS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 0x22, 0x23, 0x24, 0x25, 0x189 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static const u16 SCH5636_REG_IN_FACTORS[SCH5636_NO_INS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 4400, 1500, 4000, 4400, 16000 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static const char * const SCH5636_IN_LABELS[SCH5636_NO_INS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) "3.3V", "VREF", "VBAT", "3.3AUX", "12V" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static const u16 SCH5636_REG_TEMP_VAL[SCH5636_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define SCH5636_REG_TEMP_CTRL(i) (0x790 + (i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define SCH5636_TEMP_WORKING 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define SCH5636_TEMP_ALARM 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define SCH5636_TEMP_DEACTIVATED 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 0x2C, 0x2E, 0x30, 0x32, 0x62, 0x64, 0x66, 0x68 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define SCH5636_REG_FAN_CTRL(i) (0x880 + (i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /* FAULT in datasheet, but acts as an alarm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define SCH5636_FAN_ALARM 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define SCH5636_FAN_NOT_PRESENT 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define SCH5636_FAN_DEACTIVATED 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct sch5636_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) unsigned short addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct sch56xx_watchdog_data *watchdog;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct mutex update_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) char valid; /* !=0 if following fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) unsigned long last_updated; /* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) u8 in[SCH5636_NO_INS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) u8 temp_val[SCH5636_NO_TEMPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u8 temp_ctrl[SCH5636_NO_TEMPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u16 fan_val[SCH5636_NO_FANS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u8 fan_ctrl[SCH5636_NO_FANS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static struct sch5636_data *sch5636_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct sch5636_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct sch5636_data *ret = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int i, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Cache the values for 1 second */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (data->valid && !time_after(jiffies, data->last_updated + HZ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) for (i = 0; i < SCH5636_NO_INS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) SCH5636_REG_IN_VAL[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) data->in[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) for (i = 0; i < SCH5636_NO_TEMPS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (data->temp_ctrl[i] & SCH5636_TEMP_DEACTIVATED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) SCH5636_REG_TEMP_VAL[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) data->temp_val[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) SCH5636_REG_TEMP_CTRL(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) data->temp_ctrl[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* Alarms need to be explicitly write-cleared */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (val & SCH5636_TEMP_ALARM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) sch56xx_write_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) SCH5636_REG_TEMP_CTRL(i), val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) for (i = 0; i < SCH5636_NO_FANS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) if (data->fan_ctrl[i] & SCH5636_FAN_DEACTIVATED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) val = sch56xx_read_virtual_reg16(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) SCH5636_REG_FAN_VAL[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) data->fan_val[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) SCH5636_REG_FAN_CTRL(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) data->fan_ctrl[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* Alarms need to be explicitly write-cleared */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) if (val & SCH5636_FAN_ALARM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) sch56xx_write_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) SCH5636_REG_FAN_CTRL(i), val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) abort:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static int reg_to_rpm(u16 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (reg == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (reg == 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return 5400540 / reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static ssize_t in_value_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) val = DIV_ROUND_CLOSEST(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) data->in[attr->index] * SCH5636_REG_IN_FACTORS[attr->index],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static ssize_t in_label_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return snprintf(buf, PAGE_SIZE, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) SCH5636_IN_LABELS[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static ssize_t temp_value_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) val = (data->temp_val[attr->index] - 64) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static ssize_t temp_fault_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_WORKING) ? 0 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static ssize_t temp_alarm_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_ALARM) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static ssize_t fan_value_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) val = reg_to_rpm(data->fan_val[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static ssize_t fan_fault_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) val = (data->fan_ctrl[attr->index] & SCH5636_FAN_NOT_PRESENT) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static ssize_t fan_alarm_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) struct sch5636_data *data = sch5636_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) val = (data->fan_ctrl[attr->index] & SCH5636_FAN_ALARM) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static struct sensor_device_attribute sch5636_attr[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) SENSOR_ATTR_RO(name, name, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) SENSOR_ATTR_RO(in0_input, in_value, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) SENSOR_ATTR_RO(in0_label, in_label, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) SENSOR_ATTR_RO(in1_input, in_value, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) SENSOR_ATTR_RO(in1_label, in_label, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) SENSOR_ATTR_RO(in2_input, in_value, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) SENSOR_ATTR_RO(in2_label, in_label, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) SENSOR_ATTR_RO(in3_input, in_value, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) SENSOR_ATTR_RO(in3_label, in_label, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) SENSOR_ATTR_RO(in4_input, in_value, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) SENSOR_ATTR_RO(in4_label, in_label, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static struct sensor_device_attribute sch5636_temp_attr[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) SENSOR_ATTR_RO(temp1_input, temp_value, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) SENSOR_ATTR_RO(temp1_fault, temp_fault, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) SENSOR_ATTR_RO(temp1_alarm, temp_alarm, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) SENSOR_ATTR_RO(temp2_input, temp_value, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) SENSOR_ATTR_RO(temp2_fault, temp_fault, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) SENSOR_ATTR_RO(temp2_alarm, temp_alarm, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) SENSOR_ATTR_RO(temp3_input, temp_value, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) SENSOR_ATTR_RO(temp3_fault, temp_fault, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) SENSOR_ATTR_RO(temp3_alarm, temp_alarm, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) SENSOR_ATTR_RO(temp4_input, temp_value, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) SENSOR_ATTR_RO(temp4_fault, temp_fault, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) SENSOR_ATTR_RO(temp4_alarm, temp_alarm, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) SENSOR_ATTR_RO(temp5_input, temp_value, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) SENSOR_ATTR_RO(temp5_fault, temp_fault, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) SENSOR_ATTR_RO(temp5_alarm, temp_alarm, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) SENSOR_ATTR_RO(temp6_input, temp_value, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) SENSOR_ATTR_RO(temp6_fault, temp_fault, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) SENSOR_ATTR_RO(temp6_alarm, temp_alarm, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) SENSOR_ATTR_RO(temp7_input, temp_value, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) SENSOR_ATTR_RO(temp7_fault, temp_fault, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) SENSOR_ATTR_RO(temp7_alarm, temp_alarm, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) SENSOR_ATTR_RO(temp8_input, temp_value, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) SENSOR_ATTR_RO(temp8_fault, temp_fault, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) SENSOR_ATTR_RO(temp8_alarm, temp_alarm, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) SENSOR_ATTR_RO(temp9_input, temp_value, 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) SENSOR_ATTR_RO(temp9_fault, temp_fault, 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) SENSOR_ATTR_RO(temp9_alarm, temp_alarm, 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) SENSOR_ATTR_RO(temp10_input, temp_value, 9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) SENSOR_ATTR_RO(temp10_fault, temp_fault, 9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) SENSOR_ATTR_RO(temp10_alarm, temp_alarm, 9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) SENSOR_ATTR_RO(temp11_input, temp_value, 10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) SENSOR_ATTR_RO(temp11_fault, temp_fault, 10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) SENSOR_ATTR_RO(temp11_alarm, temp_alarm, 10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) SENSOR_ATTR_RO(temp12_input, temp_value, 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) SENSOR_ATTR_RO(temp12_fault, temp_fault, 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) SENSOR_ATTR_RO(temp12_alarm, temp_alarm, 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) SENSOR_ATTR_RO(temp13_input, temp_value, 12),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) SENSOR_ATTR_RO(temp13_fault, temp_fault, 12),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) SENSOR_ATTR_RO(temp13_alarm, temp_alarm, 12),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) SENSOR_ATTR_RO(temp14_input, temp_value, 13),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) SENSOR_ATTR_RO(temp14_fault, temp_fault, 13),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) SENSOR_ATTR_RO(temp14_alarm, temp_alarm, 13),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) SENSOR_ATTR_RO(temp15_input, temp_value, 14),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) SENSOR_ATTR_RO(temp15_fault, temp_fault, 14),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) SENSOR_ATTR_RO(temp15_alarm, temp_alarm, 14),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) SENSOR_ATTR_RO(temp16_input, temp_value, 15),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) SENSOR_ATTR_RO(temp16_fault, temp_fault, 15),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) SENSOR_ATTR_RO(temp16_alarm, temp_alarm, 15),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static struct sensor_device_attribute sch5636_fan_attr[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) SENSOR_ATTR_RO(fan1_input, fan_value, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) SENSOR_ATTR_RO(fan1_fault, fan_fault, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) SENSOR_ATTR_RO(fan1_alarm, fan_alarm, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) SENSOR_ATTR_RO(fan2_input, fan_value, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) SENSOR_ATTR_RO(fan2_fault, fan_fault, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) SENSOR_ATTR_RO(fan2_alarm, fan_alarm, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) SENSOR_ATTR_RO(fan3_input, fan_value, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) SENSOR_ATTR_RO(fan3_fault, fan_fault, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) SENSOR_ATTR_RO(fan3_alarm, fan_alarm, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) SENSOR_ATTR_RO(fan4_input, fan_value, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) SENSOR_ATTR_RO(fan4_fault, fan_fault, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) SENSOR_ATTR_RO(fan4_alarm, fan_alarm, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) SENSOR_ATTR_RO(fan5_input, fan_value, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) SENSOR_ATTR_RO(fan5_fault, fan_fault, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) SENSOR_ATTR_RO(fan5_alarm, fan_alarm, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) SENSOR_ATTR_RO(fan6_input, fan_value, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) SENSOR_ATTR_RO(fan6_fault, fan_fault, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) SENSOR_ATTR_RO(fan6_alarm, fan_alarm, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) SENSOR_ATTR_RO(fan7_input, fan_value, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) SENSOR_ATTR_RO(fan7_fault, fan_fault, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) SENSOR_ATTR_RO(fan7_alarm, fan_alarm, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) SENSOR_ATTR_RO(fan8_input, fan_value, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) SENSOR_ATTR_RO(fan8_fault, fan_fault, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) SENSOR_ATTR_RO(fan8_alarm, fan_alarm, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) static int sch5636_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) struct sch5636_data *data = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (data->watchdog)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) sch56xx_watchdog_unregister(data->watchdog);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (data->hwmon_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) hwmon_device_unregister(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) device_remove_file(&pdev->dev, &sch5636_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) for (i = 0; i < SCH5636_NO_TEMPS * 3; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) device_remove_file(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) &sch5636_temp_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) for (i = 0; i < SCH5636_NO_FANS * 3; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) device_remove_file(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) &sch5636_fan_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) static int sch5636_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) struct sch5636_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) int i, err, val, revision[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) char id[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) data = devm_kzalloc(&pdev->dev, sizeof(struct sch5636_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) SCH5636_REG_FUJITSU_ID + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) pr_err("Could not read Fujitsu id byte at %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) SCH5636_REG_FUJITSU_ID + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) id[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) id[i] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (strcmp(id, "THS")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) pr_err("Unknown Fujitsu id: %02x%02x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) id[0], id[1], id[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) SCH5636_REG_FUJITSU_REV + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) revision[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) pr_info("Found %s chip at %#hx, revision: %d.%02d\n", DEVNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) data->addr, revision[0], revision[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* Read all temp + fan ctrl registers to determine which are active */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) for (i = 0; i < SCH5636_NO_TEMPS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) SCH5636_REG_TEMP_CTRL(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) data->temp_ctrl[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) for (i = 0; i < SCH5636_NO_FANS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) SCH5636_REG_FAN_CTRL(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) data->fan_ctrl[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) err = device_create_file(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) &sch5636_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) for (i = 0; i < (SCH5636_NO_TEMPS * 3); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (data->temp_ctrl[i/3] & SCH5636_TEMP_DEACTIVATED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) err = device_create_file(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) &sch5636_temp_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) for (i = 0; i < (SCH5636_NO_FANS * 3); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (data->fan_ctrl[i/3] & SCH5636_FAN_DEACTIVATED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) err = device_create_file(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) &sch5636_fan_attr[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) data->hwmon_dev = hwmon_device_register(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (IS_ERR(data->hwmon_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) err = PTR_ERR(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) data->hwmon_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) /* Note failing to register the watchdog is not a fatal error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) data->watchdog = sch56xx_watchdog_register(&pdev->dev, data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) (revision[0] << 8) | revision[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) &data->update_lock, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) sch5636_remove(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static struct platform_driver sch5636_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) .name = DRVNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) .probe = sch5636_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) .remove = sch5636_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) module_platform_driver(sch5636_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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