Orange Pi5 kernel

^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) 2010-2012 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 "sch5627"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define DEVNAME DRVNAME /* We only support one model */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define SCH5627_HWMON_ID		0xa5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define SCH5627_COMPANY_ID		0x5c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define SCH5627_PRIMARY_ID		0xa0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define SCH5627_REG_BUILD_CODE		0x39
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define SCH5627_REG_BUILD_ID		0x3a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define SCH5627_REG_HWMON_ID		0x3c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define SCH5627_REG_HWMON_REV		0x3d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define SCH5627_REG_COMPANY_ID		0x3e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define SCH5627_REG_PRIMARY_ID		0x3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define SCH5627_REG_CTRL		0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define SCH5627_NO_TEMPS		8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define SCH5627_NO_FANS			4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define SCH5627_NO_IN			5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static const u16 SCH5627_REG_TEMP_MSB[SCH5627_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static const u16 SCH5627_REG_TEMP_LSN[SCH5627_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	0xE2, 0xE1, 0xE1, 0xE5, 0xE5, 0xE6, 0x182, 0x182 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) static const u16 SCH5627_REG_TEMP_HIGH_NIBBLE[SCH5627_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	0, 0, 1, 1, 0, 0, 0, 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static const u16 SCH5627_REG_TEMP_HIGH[SCH5627_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	0x61, 0x57, 0x59, 0x5B, 0x5D, 0x5F, 0x184, 0x186 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) static const u16 SCH5627_REG_TEMP_ABS[SCH5627_NO_TEMPS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	0x9B, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x1A8, 0x1A9 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) static const u16 SCH5627_REG_FAN[SCH5627_NO_FANS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	0x2C, 0x2E, 0x30, 0x32 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) static const u16 SCH5627_REG_FAN_MIN[SCH5627_NO_FANS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	0x62, 0x64, 0x66, 0x68 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) static const u16 SCH5627_REG_IN_MSB[SCH5627_NO_IN] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	0x22, 0x23, 0x24, 0x25, 0x189 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static const u16 SCH5627_REG_IN_LSN[SCH5627_NO_IN] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	0xE4, 0xE4, 0xE3, 0xE3, 0x18A };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static const u16 SCH5627_REG_IN_HIGH_NIBBLE[SCH5627_NO_IN] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	1, 0, 1, 0, 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static const u16 SCH5627_REG_IN_FACTOR[SCH5627_NO_IN] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	10745, 3660, 9765, 10745, 3660 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static const char * const SCH5627_IN_LABELS[SCH5627_NO_IN] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	"VCC", "VTT", "VBAT", "VTR", "V_IN" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) struct sch5627_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	unsigned short addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	struct sch56xx_watchdog_data *watchdog;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	u8 control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	u8 temp_max[SCH5627_NO_TEMPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	u8 temp_crit[SCH5627_NO_TEMPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	u16 fan_min[SCH5627_NO_FANS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	struct mutex update_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	unsigned long last_battery;	/* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	char valid;			/* !=0 if following fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	unsigned long last_updated;	/* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	u16 temp[SCH5627_NO_TEMPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	u16 fan[SCH5627_NO_FANS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	u16 in[SCH5627_NO_IN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static struct sch5627_data *sch5627_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	struct sch5627_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	struct sch5627_data *ret = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	int i, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	/* Trigger a Vbat voltage measurement every 5 minutes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	if (time_after(jiffies, data->last_battery + 300 * HZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 					  data->control | 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		data->last_battery = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	/* Cache the values for 1 second */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		for (i = 0; i < SCH5627_NO_TEMPS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 			val = sch56xx_read_virtual_reg12(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 				SCH5627_REG_TEMP_MSB[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 				SCH5627_REG_TEMP_LSN[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				SCH5627_REG_TEMP_HIGH_NIBBLE[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 			if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 				ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 				goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			data->temp[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		for (i = 0; i < SCH5627_NO_FANS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			val = sch56xx_read_virtual_reg16(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 							 SCH5627_REG_FAN[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 			if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 				ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 				goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			data->fan[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		for (i = 0; i < SCH5627_NO_IN; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			val = sch56xx_read_virtual_reg12(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 				SCH5627_REG_IN_MSB[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 				SCH5627_REG_IN_LSN[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 				SCH5627_REG_IN_HIGH_NIBBLE[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			if (unlikely(val < 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 				ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 				goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			data->in[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) abort:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	return ret;
^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) static int sch5627_read_limits(struct sch5627_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	int i, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	for (i = 0; i < SCH5627_NO_TEMPS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		 * Note what SMSC calls ABS, is what lm_sensors calls max
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		 * (aka high), and HIGH is what lm_sensors calls crit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 					       SCH5627_REG_TEMP_ABS[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 			return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		data->temp_max[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		val = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 					       SCH5627_REG_TEMP_HIGH[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 			return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		data->temp_crit[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	for (i = 0; i < SCH5627_NO_FANS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		val = sch56xx_read_virtual_reg16(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 						 SCH5627_REG_FAN_MIN[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		data->fan_min[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static int reg_to_temp(u16 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	return (reg * 625) / 10 - 64000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static int reg_to_temp_limit(u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	return (reg - 64) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static int reg_to_rpm(u16 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (reg == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (reg == 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return 5400540 / reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static ssize_t temp_show(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct sch5627_data *data = sch5627_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	val = reg_to_temp(data->temp[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static ssize_t temp_fault_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			       struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	struct sch5627_data *data = sch5627_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	return snprintf(buf, PAGE_SIZE, "%d\n", data->temp[attr->index] == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static ssize_t temp_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			     struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	struct sch5627_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	val = reg_to_temp_limit(data->temp_max[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static ssize_t temp_crit_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			      struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	struct sch5627_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	val = reg_to_temp_limit(data->temp_crit[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static ssize_t fan_show(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	struct sch5627_data *data = sch5627_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	val = reg_to_rpm(data->fan[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static ssize_t fan_fault_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 			      struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	struct sch5627_data *data = sch5627_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	return snprintf(buf, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 			data->fan[attr->index] == 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static ssize_t fan_min_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 			    struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	struct sch5627_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	int val = reg_to_rpm(data->fan_min[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static ssize_t in_show(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	struct sch5627_data *data = sch5627_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	if (IS_ERR(data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 		return PTR_ERR(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	val = DIV_ROUND_CLOSEST(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		data->in[attr->index] * SCH5627_REG_IN_FACTOR[attr->index],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		10000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	return snprintf(buf, PAGE_SIZE, "%d\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) static ssize_t in_label_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 			     struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	return snprintf(buf, PAGE_SIZE, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 			SCH5627_IN_LABELS[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) static DEVICE_ATTR_RO(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static SENSOR_DEVICE_ATTR_RO(temp4_input, temp, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) static SENSOR_DEVICE_ATTR_RO(temp5_input, temp, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static SENSOR_DEVICE_ATTR_RO(temp6_input, temp, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static SENSOR_DEVICE_ATTR_RO(temp7_input, temp, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) static SENSOR_DEVICE_ATTR_RO(temp8_input, temp, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) static SENSOR_DEVICE_ATTR_RO(temp1_fault, temp_fault, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static SENSOR_DEVICE_ATTR_RO(temp2_fault, temp_fault, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static SENSOR_DEVICE_ATTR_RO(temp3_fault, temp_fault, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) static SENSOR_DEVICE_ATTR_RO(temp4_fault, temp_fault, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static SENSOR_DEVICE_ATTR_RO(temp5_fault, temp_fault, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) static SENSOR_DEVICE_ATTR_RO(temp6_fault, temp_fault, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static SENSOR_DEVICE_ATTR_RO(temp7_fault, temp_fault, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) static SENSOR_DEVICE_ATTR_RO(temp8_fault, temp_fault, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static SENSOR_DEVICE_ATTR_RO(temp1_max, temp_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) static SENSOR_DEVICE_ATTR_RO(temp2_max, temp_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static SENSOR_DEVICE_ATTR_RO(temp3_max, temp_max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static SENSOR_DEVICE_ATTR_RO(temp4_max, temp_max, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static SENSOR_DEVICE_ATTR_RO(temp5_max, temp_max, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static SENSOR_DEVICE_ATTR_RO(temp6_max, temp_max, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static SENSOR_DEVICE_ATTR_RO(temp7_max, temp_max, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) static SENSOR_DEVICE_ATTR_RO(temp8_max, temp_max, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) static SENSOR_DEVICE_ATTR_RO(temp1_crit, temp_crit, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) static SENSOR_DEVICE_ATTR_RO(temp2_crit, temp_crit, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static SENSOR_DEVICE_ATTR_RO(temp3_crit, temp_crit, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static SENSOR_DEVICE_ATTR_RO(temp4_crit, temp_crit, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static SENSOR_DEVICE_ATTR_RO(temp5_crit, temp_crit, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) static SENSOR_DEVICE_ATTR_RO(temp6_crit, temp_crit, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static SENSOR_DEVICE_ATTR_RO(temp7_crit, temp_crit, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) static SENSOR_DEVICE_ATTR_RO(temp8_crit, temp_crit, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) static SENSOR_DEVICE_ATTR_RO(fan4_input, fan, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static SENSOR_DEVICE_ATTR_RO(fan1_fault, fan_fault, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) static SENSOR_DEVICE_ATTR_RO(fan2_fault, fan_fault, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static SENSOR_DEVICE_ATTR_RO(fan3_fault, fan_fault, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) static SENSOR_DEVICE_ATTR_RO(fan4_fault, fan_fault, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) static SENSOR_DEVICE_ATTR_RO(fan1_min, fan_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static SENSOR_DEVICE_ATTR_RO(fan2_min, fan_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) static SENSOR_DEVICE_ATTR_RO(fan3_min, fan_min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) static SENSOR_DEVICE_ATTR_RO(fan4_min, fan_min, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static SENSOR_DEVICE_ATTR_RO(in0_label, in_label, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) static SENSOR_DEVICE_ATTR_RO(in1_label, in_label, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) static SENSOR_DEVICE_ATTR_RO(in2_label, in_label, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) static SENSOR_DEVICE_ATTR_RO(in3_label, in_label, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) static struct attribute *sch5627_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	&dev_attr_name.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	&sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	&sensor_dev_attr_temp2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	&sensor_dev_attr_temp3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	&sensor_dev_attr_temp4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	&sensor_dev_attr_temp5_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	&sensor_dev_attr_temp6_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	&sensor_dev_attr_temp7_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	&sensor_dev_attr_temp8_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	&sensor_dev_attr_temp1_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	&sensor_dev_attr_temp2_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	&sensor_dev_attr_temp3_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	&sensor_dev_attr_temp4_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	&sensor_dev_attr_temp5_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	&sensor_dev_attr_temp6_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	&sensor_dev_attr_temp7_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	&sensor_dev_attr_temp8_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	&sensor_dev_attr_temp1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	&sensor_dev_attr_temp2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	&sensor_dev_attr_temp3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	&sensor_dev_attr_temp4_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	&sensor_dev_attr_temp5_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	&sensor_dev_attr_temp6_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	&sensor_dev_attr_temp7_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	&sensor_dev_attr_temp8_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	&sensor_dev_attr_temp1_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	&sensor_dev_attr_temp2_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	&sensor_dev_attr_temp3_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	&sensor_dev_attr_temp4_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	&sensor_dev_attr_temp5_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	&sensor_dev_attr_temp6_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	&sensor_dev_attr_temp7_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	&sensor_dev_attr_temp8_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	&sensor_dev_attr_fan1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	&sensor_dev_attr_fan2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	&sensor_dev_attr_fan3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	&sensor_dev_attr_fan4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	&sensor_dev_attr_fan1_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	&sensor_dev_attr_fan2_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	&sensor_dev_attr_fan3_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	&sensor_dev_attr_fan4_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	&sensor_dev_attr_fan1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	&sensor_dev_attr_fan2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	&sensor_dev_attr_fan3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	&sensor_dev_attr_fan4_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	&sensor_dev_attr_in0_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	&sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	&sensor_dev_attr_in2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	&sensor_dev_attr_in3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	&sensor_dev_attr_in4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	&sensor_dev_attr_in0_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	&sensor_dev_attr_in1_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	&sensor_dev_attr_in2_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	&sensor_dev_attr_in3_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	/* No in4_label as in4 is a generic input pin */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) static const struct attribute_group sch5627_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	.attrs = sch5627_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) static int sch5627_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	struct sch5627_data *data = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	if (data->watchdog)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		sch56xx_watchdog_unregister(data->watchdog);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	if (data->hwmon_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		hwmon_device_unregister(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	sysfs_remove_group(&pdev->dev.kobj, &sch5627_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) static int sch5627_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	struct sch5627_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	int err, build_code, build_id, hwmon_rev, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 	data = devm_kzalloc(&pdev->dev, sizeof(struct sch5627_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 			    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	val = sch56xx_read_virtual_reg(data->addr, SCH5627_REG_HWMON_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 		err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	if (val != SCH5627_HWMON_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "hwmon",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 		       val, SCH5627_HWMON_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 		err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	val = sch56xx_read_virtual_reg(data->addr, SCH5627_REG_COMPANY_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 		err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	if (val != SCH5627_COMPANY_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "company",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 		       val, SCH5627_COMPANY_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 		err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	val = sch56xx_read_virtual_reg(data->addr, SCH5627_REG_PRIMARY_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 	if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 		err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	if (val != SCH5627_PRIMARY_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 		pr_err("invalid %s id: 0x%02X (expected 0x%02X)\n", "primary",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 		       val, SCH5627_PRIMARY_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 		err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	build_code = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 					      SCH5627_REG_BUILD_CODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	if (build_code < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 		err = build_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	build_id = sch56xx_read_virtual_reg16(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 					      SCH5627_REG_BUILD_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	if (build_id < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 		err = build_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 	hwmon_rev = sch56xx_read_virtual_reg(data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 					     SCH5627_REG_HWMON_REV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	if (hwmon_rev < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 		err = hwmon_rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	val = sch56xx_read_virtual_reg(data->addr, SCH5627_REG_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 	if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 		err = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 	data->control = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 	if (!(data->control & 0x01)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 		pr_err("hardware monitoring not enabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 		err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	/* Trigger a Vbat voltage measurement, so that we get a valid reading
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 	   the first time we read Vbat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 	sch56xx_write_virtual_reg(data->addr, SCH5627_REG_CTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 				  data->control | 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	data->last_battery = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	 * Read limits, we do this only once as reading a register on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	 * the sch5627 is quite expensive (and they don't change).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 	err = sch5627_read_limits(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	pr_info("found %s chip at %#hx\n", DEVNAME, data->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 	pr_info("firmware build: code 0x%02X, id 0x%04X, hwmon: rev 0x%02X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 		build_code, build_id, hwmon_rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	/* Register sysfs interface files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	err = sysfs_create_group(&pdev->dev.kobj, &sch5627_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 	if (IS_ERR(data->hwmon_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 		err = PTR_ERR(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 		data->hwmon_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 	/* Note failing to register the watchdog is not a fatal error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 	data->watchdog = sch56xx_watchdog_register(&pdev->dev, data->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 			(build_code << 24) | (build_id << 8) | hwmon_rev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 			&data->update_lock, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	sch5627_remove(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) static struct platform_driver sch5627_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 		.name	= DRVNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 	.probe		= sch5627_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 	.remove		= sch5627_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) module_platform_driver(sch5627_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) MODULE_DESCRIPTION("SMSC SCH5627 Hardware Monitoring Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) MODULE_LICENSE("GPL");