Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^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)  * sis5595.c - Part of lm_sensors, Linux kernel modules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *	       for hardware monitoring
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *			     Kyösti Mälkki <kmalkki@cc.hut.fi>, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *			     Mark D. Studebaker <mdsxyz123@yahoo.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * the help of Jean Delvare <jdelvare@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * SiS southbridge has a LM78-like chip integrated on the same IC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * This driver is a customized copy of lm78.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * Supports following revisions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  *	Version		PCI ID		PCI Revision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *	1		1039/0008	AF or less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *	2		1039/0008	B0 or greater
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *  Note: these chips contain a 0008 device which is incompatible with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  *	 5595. We recognize these by the presence of the listed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *	 "blacklist" PCI ID and refuse to load.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * NOT SUPPORTED	PCI ID		BLACKLIST PCI ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  *	 540		0008		0540
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  *	 550		0008		0550
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *	5513		0008		5511
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  *	5581		0008		5597
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *	5582		0008		5597
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  *	5597		0008		5597
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  *	5598		0008		5597/5598
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  *	 630		0008		0630
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  *	 645		0008		0645
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  *	 730		0008		0730
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  *	 735		0008		0735
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)  * If force_addr is set to anything different from 0, we forcibly enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)  * the device at the given address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static u16 force_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) module_param(force_addr, ushort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) MODULE_PARM_DESC(force_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		 "Initialize the base address of the sensors");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) /* Many SIS5595 constants specified below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) /* Length of ISA address segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) #define SIS5595_EXTENT 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) /* PCI Config Registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #define SIS5595_BASE_REG 0x68
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) #define SIS5595_PIN_REG 0x7A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #define SIS5595_ENABLE_REG 0x7B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) /* Where are the ISA address/data registers relative to the base address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #define SIS5595_ADDR_REG_OFFSET 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) #define SIS5595_DATA_REG_OFFSET 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) /* The SIS5595 registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) #define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) #define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) #define SIS5595_REG_IN(nr) (0x20 + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) #define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) #define SIS5595_REG_FAN(nr) (0x28 + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)  * On the first version of the chip, the temp registers are separate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)  * On the second version,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)  * TEMP pin is shared with IN4, configured in PCI register 0x7A.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  * The registers are the same as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  * OVER and HYST are really MAX and MIN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) #define REV2MIN	0xb0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) #define SIS5595_REG_TEMP	(((data->revision) >= REV2MIN) ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 					SIS5595_REG_IN(4) : 0x27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define SIS5595_REG_TEMP_OVER	(((data->revision) >= REV2MIN) ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 					SIS5595_REG_IN_MAX(4) : 0x39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define SIS5595_REG_TEMP_HYST	(((data->revision) >= REV2MIN) ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 					SIS5595_REG_IN_MIN(4) : 0x3a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define SIS5595_REG_CONFIG 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define SIS5595_REG_ALARM1 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define SIS5595_REG_ALARM2 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define SIS5595_REG_FANDIV 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)  * Conversions. Limit checking is only done on the TO_REG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)  * variants.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)  */
^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)  * IN: mV, (0V to 4.08V)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)  * REG: 16mV/bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static inline u8 IN_TO_REG(unsigned long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	unsigned long nval = clamp_val(val, 0, 4080);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	return (nval + 8) / 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define IN_FROM_REG(val) ((val) *  16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline u8 FAN_TO_REG(long rpm, int div)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	if (rpm <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		return 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	if (rpm > 1350000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
^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) static inline int FAN_FROM_REG(u8 val, int div)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)  * TEMP: mC (-54.12C to +157.53C)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * REG: 0.83C/bit + 52.12, two's complement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static inline int TEMP_FROM_REG(s8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	return val * 830 + 52120;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static inline s8 TEMP_TO_REG(long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	int nval = clamp_val(val, -54120, 157530) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return nval < 0 ? (nval - 5212 - 415) / 830 : (nval - 5212 + 415) / 830;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  * REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static inline u8 DIV_TO_REG(int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #define DIV_FROM_REG(val) (1 << (val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)  * For each registered chip, we need to keep some data in memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)  * The structure is dynamically allocated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct sis5595_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	unsigned short addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	struct mutex update_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	char valid;		/* !=0 if following fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	unsigned long last_updated;	/* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	char maxins;		/* == 3 if temp enabled, otherwise == 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	u8 revision;		/* Reg. value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	u8 in[5];		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	u8 in_max[5];		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	u8 in_min[5];		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	u8 fan[2];		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	u8 fan_min[2];		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	s8 temp;		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	s8 temp_over;		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	s8 temp_hyst;		/* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	u8 fan_div[2];		/* Register encoding, shifted right */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	u16 alarms;		/* Register encoding, combined */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static struct pci_dev *s_bridge;	/* pointer to the (only) sis5595 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static int sis5595_probe(struct platform_device *pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static int sis5595_remove(struct platform_device *pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static int sis5595_read_value(struct sis5595_data *data, u8 reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static struct sis5595_data *sis5595_update_device(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static void sis5595_init_device(struct sis5595_data *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static struct platform_driver sis5595_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		.name	= "sis5595",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	.probe		= sis5595_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	.remove		= sis5595_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* 4 Voltages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static ssize_t in_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static ssize_t in_min_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static ssize_t in_max_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
^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 in_min_store(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			    const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	data->in_min[nr] = IN_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	sis5595_write_value(data, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static ssize_t in_max_store(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			    const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	data->in_max[nr] = IN_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	sis5595_write_value(data, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	return count;
^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 SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) /* Temperature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) static ssize_t temp1_input_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 				struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static ssize_t temp1_max_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 			      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static ssize_t temp1_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 			       struct device_attribute *attr, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 			       size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	data->temp_over = TEMP_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	sis5595_write_value(data, SIS5595_REG_TEMP_OVER, data->temp_over);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) static ssize_t temp1_max_hyst_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 				   struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static ssize_t temp1_max_hyst_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 				    struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 				    const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	data->temp_hyst = TEMP_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	sis5595_write_value(data, SIS5595_REG_TEMP_HYST, data->temp_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static DEVICE_ATTR_RO(temp1_input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) static DEVICE_ATTR_RW(temp1_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static DEVICE_ATTR_RW(temp1_max_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* 2 Fans */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static ssize_t fan_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 			char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		DIV_FROM_REG(data->fan_div[nr])));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) static ssize_t fan_min_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 			    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 		DIV_FROM_REG(data->fan_div[nr])));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static ssize_t fan_min_store(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 			     const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) static ssize_t fan_div_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 			    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)  * Note: we save and restore the fan minimum here, because its value is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)  * determined in part by the fan divisor.  This follows the principle of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)  * least surprise; the user doesn't expect the fan minimum to change just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)  * because the divisor changed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) static ssize_t fan_div_store(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 			     const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	unsigned long min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	int reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	min = FAN_FROM_REG(data->fan_min[nr],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 			DIV_FROM_REG(data->fan_div[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	reg = sis5595_read_value(data, SIS5595_REG_FANDIV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 		data->fan_div[nr] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		data->fan_div[nr] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 		data->fan_div[nr] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		data->fan_div[nr] = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		dev_err(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 			"fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 			val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 		mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 		return -EINVAL;
^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) 	switch (nr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 		reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	sis5595_write_value(data, SIS5595_REG_FANDIV, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	data->fan_min[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 		FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) /* Alarms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 			   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	return sprintf(buf, "%d\n", data->alarms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) static DEVICE_ATTR_RO(alarms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static ssize_t alarm_show(struct device *dev, struct device_attribute *da,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 			  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	struct sis5595_data *data = sis5595_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	int nr = to_sensor_dev_attr(da)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static ssize_t name_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 			 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	return sprintf(buf, "%s\n", data->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static DEVICE_ATTR_RO(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) static struct attribute *sis5595_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	&sensor_dev_attr_in0_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	&sensor_dev_attr_in0_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	&sensor_dev_attr_in0_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	&sensor_dev_attr_in0_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 	&sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	&sensor_dev_attr_in1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	&sensor_dev_attr_in1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 	&sensor_dev_attr_in1_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 	&sensor_dev_attr_in2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	&sensor_dev_attr_in2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	&sensor_dev_attr_in2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 	&sensor_dev_attr_in2_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	&sensor_dev_attr_in3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 	&sensor_dev_attr_in3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	&sensor_dev_attr_in3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 	&sensor_dev_attr_in3_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 	&sensor_dev_attr_fan1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	&sensor_dev_attr_fan1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 	&sensor_dev_attr_fan1_div.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 	&sensor_dev_attr_fan2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	&sensor_dev_attr_fan2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 	&sensor_dev_attr_fan2_div.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 	&dev_attr_alarms.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 	&dev_attr_name.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) static const struct attribute_group sis5595_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	.attrs = sis5595_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) static struct attribute *sis5595_attributes_in4[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 	&sensor_dev_attr_in4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	&sensor_dev_attr_in4_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 	&sensor_dev_attr_in4_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	&sensor_dev_attr_in4_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) static const struct attribute_group sis5595_group_in4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	.attrs = sis5595_attributes_in4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) static struct attribute *sis5595_attributes_temp1[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 	&dev_attr_temp1_input.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 	&dev_attr_temp1_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	&dev_attr_temp1_max_hyst.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 	&sensor_dev_attr_temp1_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	NULL
^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) static const struct attribute_group sis5595_group_temp1 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 	.attrs = sis5595_attributes_temp1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) /* This is called when the module is loaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) static int sis5595_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 	struct sis5595_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 	char val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 	/* Reserve the ISA region */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 	if (!devm_request_region(&pdev->dev, res->start, SIS5595_EXTENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 				 sis5595_driver.driver.name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 	data = devm_kzalloc(&pdev->dev, sizeof(struct sis5595_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 			    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 	if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 	mutex_init(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 	mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 	data->addr = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 	data->name = "sis5595";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 	platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	 * Check revision and pin registers to determine whether 4 or 5 voltages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 	data->revision = s_bridge->revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 	/* 4 voltages, 1 temp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 	data->maxins = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 	if (data->revision >= REV2MIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 		pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 		if (!(val & 0x80))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 			/* 5 voltages, no temps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 			data->maxins = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 	/* Initialize the SIS5595 chip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	sis5595_init_device(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	/* A few vars need to be filled upon startup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 		data->fan_min[i] = sis5595_read_value(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 					SIS5595_REG_FAN_MIN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 	/* Register sysfs hooks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 	err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 	if (data->maxins == 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 		err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_in4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 			goto exit_remove_files;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 		err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_temp1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 			goto exit_remove_files;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 	if (IS_ERR(data->hwmon_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 		err = PTR_ERR(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 		goto exit_remove_files;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) exit_remove_files:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) static int sis5595_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 	struct sis5595_data *data = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 	hwmon_device_unregister(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 	sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) /* ISA access must be locked explicitly. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) static int sis5595_read_value(struct sis5595_data *data, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 	int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) 	mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 	outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 	res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 	mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 	mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) 	outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 	outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) 	mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) /* Called when we have found a new SIS5595. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) static void sis5595_init_device(struct sis5595_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) 	if (!(config & 0x01))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 		sis5595_write_value(data, SIS5595_REG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 				(config & 0xf7) | 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) static struct sis5595_data *sis5595_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) 	struct sis5595_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) 	mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) 	    || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) 		for (i = 0; i <= data->maxins; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) 			data->in[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) 			    sis5595_read_value(data, SIS5595_REG_IN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) 			data->in_min[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) 			    sis5595_read_value(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) 					       SIS5595_REG_IN_MIN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) 			data->in_max[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) 			    sis5595_read_value(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) 					       SIS5595_REG_IN_MAX(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) 		for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) 			data->fan[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) 			    sis5595_read_value(data, SIS5595_REG_FAN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) 			data->fan_min[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) 			    sis5595_read_value(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) 					       SIS5595_REG_FAN_MIN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) 		if (data->maxins == 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) 			data->temp =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) 			    sis5595_read_value(data, SIS5595_REG_TEMP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) 			data->temp_over =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) 			    sis5595_read_value(data, SIS5595_REG_TEMP_OVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) 			data->temp_hyst =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) 			    sis5595_read_value(data, SIS5595_REG_TEMP_HYST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) 		i = sis5595_read_value(data, SIS5595_REG_FANDIV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) 		data->fan_div[0] = (i >> 4) & 0x03;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) 		data->fan_div[1] = i >> 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) 		data->alarms =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) 		    sis5595_read_value(data, SIS5595_REG_ALARM1) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) 		    (sis5595_read_value(data, SIS5595_REG_ALARM2) << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) 		data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) 		data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) 	mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) 	return data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) static const struct pci_device_id sis5595_pci_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) 	{ 0, }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) MODULE_DEVICE_TABLE(pci, sis5595_pci_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static int blacklist[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) 	PCI_DEVICE_ID_SI_540,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) 	PCI_DEVICE_ID_SI_550,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) 	PCI_DEVICE_ID_SI_630,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) 	PCI_DEVICE_ID_SI_645,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) 	PCI_DEVICE_ID_SI_730,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) 	PCI_DEVICE_ID_SI_735,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) 	PCI_DEVICE_ID_SI_5511, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) 				* 5513 chip has the 0008 device but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) 				* that ID shows up in other chips so we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) 				* use the 5511 ID for recognition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) 				*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) 	PCI_DEVICE_ID_SI_5597,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) 	PCI_DEVICE_ID_SI_5598,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) 	0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) static int sis5595_device_add(unsigned short address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) 	struct resource res = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) 		.start	= address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) 		.end	= address + SIS5595_EXTENT - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) 		.name	= "sis5595",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) 		.flags	= IORESOURCE_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) 	err = acpi_check_resource_conflict(&res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) 	pdev = platform_device_alloc("sis5595", address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) 	if (!pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) 		err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) 		pr_err("Device allocation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) 	err = platform_device_add_resources(pdev, &res, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) 		pr_err("Device resource addition failed (%d)\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) 		goto exit_device_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) 	err = platform_device_add(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) 		pr_err("Device addition failed (%d)\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) 		goto exit_device_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) exit_device_put:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) 	platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) static int sis5595_pci_probe(struct pci_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) 				       const struct pci_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) 	u16 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) 	u8 enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) 	int *i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) 	for (i = blacklist; *i != 0; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) 		struct pci_dev *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) 		d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) 		if (d) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) 			dev_err(&d->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) 				"Looked for SIS5595 but found unsupported device %.4x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) 				*i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) 			pci_dev_put(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) 	force_addr &= ~(SIS5595_EXTENT - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) 	if (force_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) 		dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) 		pci_write_config_word(dev, SIS5595_BASE_REG, force_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) 	if (PCIBIOS_SUCCESSFUL !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) 	    pci_read_config_word(dev, SIS5595_BASE_REG, &address)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) 		dev_err(&dev->dev, "Failed to read ISA address\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) 	address &= ~(SIS5595_EXTENT - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) 	if (!address) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) 		dev_err(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) 			"Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) 	if (force_addr && address != force_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) 		/* doesn't work for some chips? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) 		dev_err(&dev->dev, "Failed to force ISA address\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) 	if (PCIBIOS_SUCCESSFUL !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) 	    pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) 		dev_err(&dev->dev, "Failed to read enable register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) 	if (!(enable & 0x80)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) 		if ((PCIBIOS_SUCCESSFUL !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) 		     pci_write_config_byte(dev, SIS5595_ENABLE_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) 					   enable | 0x80))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) 		 || (PCIBIOS_SUCCESSFUL !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) 		     pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) 		 || (!(enable & 0x80))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) 			/* doesn't work for some chips! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) 			dev_err(&dev->dev, "Failed to enable HWM device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) 	if (platform_driver_register(&sis5595_driver)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) 		dev_dbg(&dev->dev, "Failed to register sis5595 driver\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) 	s_bridge = pci_dev_get(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) 	/* Sets global pdev as a side effect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) 	if (sis5595_device_add(address))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) 		goto exit_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) 	 * Always return failure here.  This is to allow other drivers to bind
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) 	 * to this pci device.  We don't really want to have control over the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) 	 * pci device, we only wanted to read as few register values from it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) exit_unregister:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) 	pci_dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) 	platform_driver_unregister(&sis5595_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) static struct pci_driver sis5595_pci_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) 	.name            = "sis5595",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) 	.id_table        = sis5595_pci_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) 	.probe           = sis5595_pci_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) static int __init sm_sis5595_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) 	return pci_register_driver(&sis5595_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) static void __exit sm_sis5595_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) 	pci_unregister_driver(&sis5595_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) 	if (s_bridge != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) 		platform_device_unregister(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) 		platform_driver_unregister(&sis5595_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) 		pci_dev_put(s_bridge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) 		s_bridge = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) MODULE_DESCRIPTION("SiS 5595 Sensor device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) module_init(sm_sis5595_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) module_exit(sm_sis5595_exit);