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hwmon: (dme1737) Add SCH5127 support
Add support for the hardware monitoring capabilities of the SCH5127 chip to the dme1737 driver. Signed-off-by: Juerg Haefliger <juergh@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Jeff Rickman <jrickman@myamigos.us>
This commit is contained in:
Juerg Haefliger
Jean Delvare
parent
38806bda6b
commit
ea694431f9
@ -9,11 +9,15 @@ Supported chips:
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* SMSC SCH3112, SCH3114, SCH3116
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Prefix: 'sch311x'
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Addresses scanned: none, address read from Super-I/O config space
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Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf
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Datasheet: Available on the Internet
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* SMSC SCH5027
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Prefix: 'sch5027'
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Addresses scanned: I2C 0x2c, 0x2d, 0x2e
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Datasheet: Provided by SMSC upon request and under NDA
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* SMSC SCH5127
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Prefix: 'sch5127'
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Addresses scanned: none, address read from Super-I/O config space
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Datasheet: Provided by SMSC upon request and under NDA
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Authors:
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Juerg Haefliger <juergh@gmail.com>
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@ -36,8 +40,8 @@ Description
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-----------
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This driver implements support for the hardware monitoring capabilities of the
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SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC
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SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors
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SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x,
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and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
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temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and
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1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
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up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
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@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on
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the configuration of the chip. The driver will detect which features are
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present during initialization and create the sysfs attributes accordingly.
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For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and
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pwm[5-6] don't exist.
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For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and
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fan[4-6] and pwm[5-6] don't exist.
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The hardware monitoring features of the DME1737, A8000, and SCH5027 are only
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accessible via SMBus, while the SCH311x only provides access via the ISA bus.
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The driver will therefore register itself as an I2C client driver if it detects
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a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x
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chip.
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accessible via SMBus, while the SCH311x and SCH5127 only provide access via
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the ISA bus. The driver will therefore register itself as an I2C client driver
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if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it
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detects a SCH311x or SCH5127 chip.
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Voltage Monitoring
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@ -76,7 +80,7 @@ DME1737, A8000:
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in6: Vbat (+3.0V) 0V - 4.38V
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SCH311x:
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in0: +2.5V 0V - 6.64V
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in0: +2.5V 0V - 3.32V
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in1: Vccp (processor core) 0V - 2V
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in2: VCC (internal +3.3V) 0V - 4.38V
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in3: +5V 0V - 6.64V
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@ -93,6 +97,15 @@ SCH5027:
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in5: VTR (+3.3V standby) 0V - 4.38V
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in6: Vbat (+3.0V) 0V - 4.38V
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SCH5127:
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in0: +2.5 0V - 3.32V
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in1: Vccp (processor core) 0V - 3V
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in2: VCC (internal +3.3V) 0V - 4.38V
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in3: V2_IN 0V - 1.5V
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in4: V1_IN 0V - 1.5V
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in5: VTR (+3.3V standby) 0V - 4.38V
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in6: Vbat (+3.0V) 0V - 4.38V
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Each voltage input has associated min and max limits which trigger an alarm
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when crossed.
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@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the
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pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the
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full-speed duty-cycle which is hard-
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wired to 255 (100% duty-cycle).
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Chip Differences
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----------------
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Feature dme1737 sch311x sch5027 sch5127
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-------------------------------------------------------
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temp[1-3]_offset yes yes
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vid yes
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zone3 yes yes yes
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zone[1-3]_hyst yes yes
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pwm min/off yes yes
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fan3 opt yes opt yes
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pwm3 opt yes opt yes
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fan4 opt opt
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fan5 opt opt
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pwm5 opt opt
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fan6 opt opt
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pwm6 opt opt
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@ -1,12 +1,14 @@
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/*
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* dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x and
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* SCH5027 Super-I/O chips integrated hardware monitoring features.
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* Copyright (c) 2007, 2008 Juerg Haefliger <juergh@gmail.com>
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* dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x, SCH5027,
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* and SCH5127 Super-I/O chips integrated hardware monitoring
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* features.
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* Copyright (c) 2007, 2008, 2009, 2010 Juerg Haefliger <juergh@gmail.com>
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*
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* This driver is an I2C/ISA hybrid, meaning that it uses the I2C bus to access
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* the chip registers if a DME1737, A8000, or SCH5027 is found and the ISA bus
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* if a SCH311x chip is found. Both types of chips have very similar hardware
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* monitoring capabilities but differ in the way they can be accessed.
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* if a SCH311x or SCH5127 chip is found. Both types of chips have very
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* similar hardware monitoring capabilities but differ in the way they can be
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* accessed.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -57,7 +59,7 @@ MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC "
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/* Addresses to scan */
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static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END};
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enum chips { dme1737, sch5027, sch311x };
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enum chips { dme1737, sch5027, sch311x, sch5127 };
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/* ---------------------------------------------------------------------
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* Registers
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@ -164,10 +166,29 @@ static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23};
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#define DME1737_VERSTEP_MASK 0xf8
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#define SCH311X_DEVICE 0x8c
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#define SCH5027_VERSTEP 0x69
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#define SCH5127_DEVICE 0x8e
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/* Device ID values (global configuration register index 0x20) */
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#define DME1737_ID_1 0x77
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#define DME1737_ID_2 0x78
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#define SCH3112_ID 0x7c
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#define SCH3114_ID 0x7d
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#define SCH3116_ID 0x7f
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#define SCH5027_ID 0x89
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#define SCH5127_ID 0x86
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/* Length of ISA address segment */
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#define DME1737_EXTENT 2
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/* chip-dependent features */
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#define HAS_TEMP_OFFSET (1 << 0) /* bit 0 */
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#define HAS_VID (1 << 1) /* bit 1 */
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#define HAS_ZONE3 (1 << 2) /* bit 2 */
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#define HAS_ZONE_HYST (1 << 3) /* bit 3 */
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#define HAS_PWM_MIN (1 << 4) /* bit 4 */
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#define HAS_FAN(ix) (1 << ((ix) + 5)) /* bits 5-10 */
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#define HAS_PWM(ix) (1 << ((ix) + 11)) /* bits 11-16 */
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/* ---------------------------------------------------------------------
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* Data structures and manipulation thereof
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* --------------------------------------------------------------------- */
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@ -187,8 +208,7 @@ struct dme1737_data {
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u8 vid;
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u8 pwm_rr_en;
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u8 has_pwm;
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u8 has_fan;
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u32 has_features;
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/* Register values */
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u16 in[7];
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@ -224,8 +244,11 @@ static const int IN_NOMINAL_SCH311x[] = {2500, 1500, 3300, 5000, 12000, 3300,
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3300};
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static const int IN_NOMINAL_SCH5027[] = {5000, 2250, 3300, 1125, 1125, 3300,
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3300};
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static const int IN_NOMINAL_SCH5127[] = {2500, 2250, 3300, 1125, 1125, 3300,
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3300};
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#define IN_NOMINAL(type) ((type) == sch311x ? IN_NOMINAL_SCH311x : \
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(type) == sch5027 ? IN_NOMINAL_SCH5027 : \
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(type) == sch5127 ? IN_NOMINAL_SCH5127 : \
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IN_NOMINAL_DME1737)
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/* Voltage input
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@ -568,7 +591,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
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/* Sample register contents every 1 sec */
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if (time_after(jiffies, data->last_update + HZ) || !data->valid) {
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if (data->type == dme1737) {
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if (data->has_features & HAS_VID) {
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data->vid = dme1737_read(data, DME1737_REG_VID) &
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0x3f;
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}
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@ -599,7 +622,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
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DME1737_REG_TEMP_MIN(ix));
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data->temp_max[ix] = dme1737_read(data,
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DME1737_REG_TEMP_MAX(ix));
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if (data->type != sch5027) {
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if (data->has_features & HAS_TEMP_OFFSET) {
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data->temp_offset[ix] = dme1737_read(data,
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DME1737_REG_TEMP_OFFSET(ix));
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}
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@ -626,7 +649,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
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for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) {
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/* Skip reading registers if optional fans are not
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* present */
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if (!(data->has_fan & (1 << ix))) {
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if (!(data->has_features & HAS_FAN(ix))) {
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continue;
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}
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data->fan[ix] = dme1737_read(data,
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@ -650,7 +673,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
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for (ix = 0; ix < ARRAY_SIZE(data->pwm); ix++) {
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/* Skip reading registers if optional PWMs are not
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* present */
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if (!(data->has_pwm & (1 << ix))) {
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if (!(data->has_features & HAS_PWM(ix))) {
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continue;
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}
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data->pwm[ix] = dme1737_read(data,
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@ -672,12 +695,24 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
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/* Thermal zone registers */
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for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) {
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data->zone_low[ix] = dme1737_read(data,
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DME1737_REG_ZONE_LOW(ix));
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data->zone_abs[ix] = dme1737_read(data,
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DME1737_REG_ZONE_ABS(ix));
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/* Skip reading registers if zone3 is not present */
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if ((ix == 2) && !(data->has_features & HAS_ZONE3)) {
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continue;
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}
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/* sch5127 zone2 registers are special */
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if ((ix == 1) && (data->type == sch5127)) {
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data->zone_low[1] = dme1737_read(data,
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DME1737_REG_ZONE_LOW(2));
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data->zone_abs[1] = dme1737_read(data,
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DME1737_REG_ZONE_ABS(2));
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} else {
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data->zone_low[ix] = dme1737_read(data,
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DME1737_REG_ZONE_LOW(ix));
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data->zone_abs[ix] = dme1737_read(data,
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DME1737_REG_ZONE_ABS(ix));
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}
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}
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if (data->type != sch5027) {
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if (data->has_features & HAS_ZONE_HYST) {
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for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) {
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data->zone_hyst[ix] = dme1737_read(data,
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DME1737_REG_ZONE_HYST(ix));
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@ -1594,10 +1629,6 @@ static struct attribute *dme1737_attr[] ={
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&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_channels_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr,
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NULL
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};
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@ -1605,27 +1636,23 @@ static const struct attribute_group dme1737_group = {
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.attrs = dme1737_attr,
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};
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/* The following struct holds misc attributes, which are not available in all
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* chips. Their creation depends on the chip type which is determined during
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* module load. */
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static struct attribute *dme1737_misc_attr[] = {
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/* Temperatures */
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/* The following struct holds temp offset attributes, which are not available
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* in all chips. The following chips support them:
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* DME1737, SCH311x */
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static struct attribute *dme1737_temp_offset_attr[] = {
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&sensor_dev_attr_temp1_offset.dev_attr.attr,
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&sensor_dev_attr_temp2_offset.dev_attr.attr,
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&sensor_dev_attr_temp3_offset.dev_attr.attr,
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/* Zones */
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&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
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NULL
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};
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static const struct attribute_group dme1737_misc_group = {
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.attrs = dme1737_misc_attr,
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static const struct attribute_group dme1737_temp_offset_group = {
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.attrs = dme1737_temp_offset_attr,
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};
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/* The following struct holds VID-related attributes. Their creation
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depends on the chip type which is determined during module load. */
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/* The following struct holds VID related attributes, which are not available
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* in all chips. The following chips support them:
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* DME1737 */
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static struct attribute *dme1737_vid_attr[] = {
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&dev_attr_vrm.attr,
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&dev_attr_cpu0_vid.attr,
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@ -1636,6 +1663,36 @@ static const struct attribute_group dme1737_vid_group = {
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.attrs = dme1737_vid_attr,
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};
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/* The following struct holds temp zone 3 related attributes, which are not
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* available in all chips. The following chips support them:
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* DME1737, SCH311x, SCH5027 */
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static struct attribute *dme1737_zone3_attr[] = {
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&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr,
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NULL
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};
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static const struct attribute_group dme1737_zone3_group = {
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.attrs = dme1737_zone3_attr,
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};
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/* The following struct holds temp zone hysteresis related attributes, which
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* are not available in all chips. The following chips support them:
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* DME1737, SCH311x */
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static struct attribute *dme1737_zone_hyst_attr[] = {
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&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
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NULL
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};
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static const struct attribute_group dme1737_zone_hyst_group = {
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.attrs = dme1737_zone_hyst_attr,
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};
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/* The following structs hold the PWM attributes, some of which are optional.
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* Their creation depends on the chip configuration which is determined during
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* module load. */
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@ -1691,10 +1748,10 @@ static const struct attribute_group dme1737_pwm_group[] = {
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{ .attrs = dme1737_pwm6_attr },
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};
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/* The following struct holds misc PWM attributes, which are not available in
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* all chips. Their creation depends on the chip type which is determined
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/* The following struct holds auto PWM min attributes, which are not available
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* in all chips. Their creation depends on the chip type which is determined
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* during module load. */
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static struct attribute *dme1737_pwm_misc_attr[] = {
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static struct attribute *dme1737_auto_pwm_min_attr[] = {
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&sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
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&sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
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&sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
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@ -1764,14 +1821,25 @@ static struct attribute *dme1737_zone_chmod_attr[] = {
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&sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
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&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
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NULL
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};
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static const struct attribute_group dme1737_zone_chmod_group = {
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.attrs = dme1737_zone_chmod_attr,
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};
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/* The permissions of the following zone 3 attributes are changed to read-
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* writeable if the chip is *not* locked. Otherwise they stay read-only. */
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static struct attribute *dme1737_zone3_chmod_attr[] = {
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&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
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&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
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NULL
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};
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static const struct attribute_group dme1737_zone_chmod_group = {
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.attrs = dme1737_zone_chmod_attr,
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static const struct attribute_group dme1737_zone3_chmod_group = {
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.attrs = dme1737_zone3_chmod_attr,
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};
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/* The permissions of the following PWM attributes are changed to read-
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@ -1887,30 +1955,35 @@ static void dme1737_remove_files(struct device *dev)
|
||||
int ix;
|
||||
|
||||
for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
|
||||
if (data->has_fan & (1 << ix)) {
|
||||
if (data->has_features & HAS_FAN(ix)) {
|
||||
sysfs_remove_group(&dev->kobj,
|
||||
&dme1737_fan_group[ix]);
|
||||
}
|
||||
}
|
||||
|
||||
for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) {
|
||||
if (data->has_pwm & (1 << ix)) {
|
||||
if (data->has_features & HAS_PWM(ix)) {
|
||||
sysfs_remove_group(&dev->kobj,
|
||||
&dme1737_pwm_group[ix]);
|
||||
if (data->type != sch5027 && ix < 3) {
|
||||
if ((data->has_features & HAS_PWM_MIN) && ix < 3) {
|
||||
sysfs_remove_file(&dev->kobj,
|
||||
dme1737_pwm_misc_attr[ix]);
|
||||
dme1737_auto_pwm_min_attr[ix]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (data->type != sch5027) {
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_misc_group);
|
||||
if (data->has_features & HAS_TEMP_OFFSET) {
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_temp_offset_group);
|
||||
}
|
||||
if (data->type == dme1737) {
|
||||
if (data->has_features & HAS_VID) {
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_vid_group);
|
||||
}
|
||||
|
||||
if (data->has_features & HAS_ZONE3) {
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_zone3_group);
|
||||
}
|
||||
if (data->has_features & HAS_ZONE_HYST) {
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_zone_hyst_group);
|
||||
}
|
||||
sysfs_remove_group(&dev->kobj, &dme1737_group);
|
||||
|
||||
if (!data->client) {
|
||||
@ -1934,23 +2007,31 @@ static int dme1737_create_files(struct device *dev)
|
||||
goto exit_remove;
|
||||
}
|
||||
|
||||
/* Create misc sysfs attributes */
|
||||
if ((data->type != sch5027) &&
|
||||
/* Create chip-dependent sysfs attributes */
|
||||
if ((data->has_features & HAS_TEMP_OFFSET) &&
|
||||
(err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_misc_group))) {
|
||||
&dme1737_temp_offset_group))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
|
||||
/* Create VID-related sysfs attributes */
|
||||
if ((data->type == dme1737) &&
|
||||
if ((data->has_features & HAS_VID) &&
|
||||
(err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_vid_group))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
if ((data->has_features & HAS_ZONE3) &&
|
||||
(err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_zone3_group))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
if ((data->has_features & HAS_ZONE_HYST) &&
|
||||
(err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_zone_hyst_group))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
|
||||
/* Create fan sysfs attributes */
|
||||
for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
|
||||
if (data->has_fan & (1 << ix)) {
|
||||
if (data->has_features & HAS_FAN(ix)) {
|
||||
if ((err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_fan_group[ix]))) {
|
||||
goto exit_remove;
|
||||
@ -1960,14 +2041,14 @@ static int dme1737_create_files(struct device *dev)
|
||||
|
||||
/* Create PWM sysfs attributes */
|
||||
for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) {
|
||||
if (data->has_pwm & (1 << ix)) {
|
||||
if (data->has_features & HAS_PWM(ix)) {
|
||||
if ((err = sysfs_create_group(&dev->kobj,
|
||||
&dme1737_pwm_group[ix]))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
if (data->type != sch5027 && ix < 3 &&
|
||||
if ((data->has_features & HAS_PWM_MIN) && ix < 3 &&
|
||||
(err = sysfs_create_file(&dev->kobj,
|
||||
dme1737_pwm_misc_attr[ix]))) {
|
||||
dme1737_auto_pwm_min_attr[ix]))) {
|
||||
goto exit_remove;
|
||||
}
|
||||
}
|
||||
@ -1983,21 +2064,30 @@ static int dme1737_create_files(struct device *dev)
|
||||
dme1737_chmod_group(dev, &dme1737_zone_chmod_group,
|
||||
S_IRUGO | S_IWUSR);
|
||||
|
||||
/* Change permissions of misc sysfs attributes */
|
||||
if (data->type != sch5027) {
|
||||
dme1737_chmod_group(dev, &dme1737_misc_group,
|
||||
/* Change permissions of chip-dependent sysfs attributes */
|
||||
if (data->has_features & HAS_TEMP_OFFSET) {
|
||||
dme1737_chmod_group(dev, &dme1737_temp_offset_group,
|
||||
S_IRUGO | S_IWUSR);
|
||||
}
|
||||
if (data->has_features & HAS_ZONE3) {
|
||||
dme1737_chmod_group(dev, &dme1737_zone3_chmod_group,
|
||||
S_IRUGO | S_IWUSR);
|
||||
}
|
||||
if (data->has_features & HAS_ZONE_HYST) {
|
||||
dme1737_chmod_group(dev, &dme1737_zone_hyst_group,
|
||||
S_IRUGO | S_IWUSR);
|
||||
}
|
||||
|
||||
/* Change permissions of PWM sysfs attributes */
|
||||
for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_chmod_group); ix++) {
|
||||
if (data->has_pwm & (1 << ix)) {
|
||||
if (data->has_features & HAS_PWM(ix)) {
|
||||
dme1737_chmod_group(dev,
|
||||
&dme1737_pwm_chmod_group[ix],
|
||||
S_IRUGO | S_IWUSR);
|
||||
if (data->type != sch5027 && ix < 3) {
|
||||
if ((data->has_features & HAS_PWM_MIN) &&
|
||||
ix < 3) {
|
||||
dme1737_chmod_file(dev,
|
||||
dme1737_pwm_misc_attr[ix],
|
||||
dme1737_auto_pwm_min_attr[ix],
|
||||
S_IRUGO | S_IWUSR);
|
||||
}
|
||||
}
|
||||
@ -2005,7 +2095,7 @@ static int dme1737_create_files(struct device *dev)
|
||||
|
||||
/* Change permissions of pwm[1-3] if in manual mode */
|
||||
for (ix = 0; ix < 3; ix++) {
|
||||
if ((data->has_pwm & (1 << ix)) &&
|
||||
if ((data->has_features & HAS_PWM(ix)) &&
|
||||
(PWM_EN_FROM_REG(data->pwm_config[ix]) == 1)) {
|
||||
dme1737_chmod_file(dev,
|
||||
dme1737_pwm_chmod_attr[ix],
|
||||
@ -2052,20 +2142,20 @@ static int dme1737_init_device(struct device *dev)
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
/* Determine which optional fan and pwm features are enabled/present */
|
||||
/* Determine which optional fan and pwm features are enabled (only
|
||||
* valid for I2C devices) */
|
||||
if (client) { /* I2C chip */
|
||||
data->config2 = dme1737_read(data, DME1737_REG_CONFIG2);
|
||||
/* Check if optional fan3 input is enabled */
|
||||
if (data->config2 & 0x04) {
|
||||
data->has_fan |= (1 << 2);
|
||||
data->has_features |= HAS_FAN(2);
|
||||
}
|
||||
|
||||
/* Fan4 and pwm3 are only available if the client's I2C address
|
||||
* is the default 0x2e. Otherwise the I/Os associated with
|
||||
* these functions are used for addr enable/select. */
|
||||
if (client->addr == 0x2e) {
|
||||
data->has_fan |= (1 << 3);
|
||||
data->has_pwm |= (1 << 2);
|
||||
data->has_features |= HAS_FAN(3) | HAS_PWM(2);
|
||||
}
|
||||
|
||||
/* Determine which of the optional fan[5-6] and pwm[5-6]
|
||||
@ -2077,26 +2167,40 @@ static int dme1737_init_device(struct device *dev)
|
||||
dev_warn(dev, "Failed to query Super-IO for optional "
|
||||
"features.\n");
|
||||
}
|
||||
} else { /* ISA chip */
|
||||
/* Fan3 and pwm3 are always available. Fan[4-5] and pwm[5-6]
|
||||
* don't exist in the ISA chip. */
|
||||
data->has_fan |= (1 << 2);
|
||||
data->has_pwm |= (1 << 2);
|
||||
}
|
||||
|
||||
/* Fan1, fan2, pwm1, and pwm2 are always present */
|
||||
data->has_fan |= 0x03;
|
||||
data->has_pwm |= 0x03;
|
||||
/* Fan[1-2] and pwm[1-2] are present in all chips */
|
||||
data->has_features |= HAS_FAN(0) | HAS_FAN(1) | HAS_PWM(0) | HAS_PWM(1);
|
||||
|
||||
/* Chip-dependent features */
|
||||
switch (data->type) {
|
||||
case dme1737:
|
||||
data->has_features |= HAS_TEMP_OFFSET | HAS_VID | HAS_ZONE3 |
|
||||
HAS_ZONE_HYST | HAS_PWM_MIN;
|
||||
break;
|
||||
case sch311x:
|
||||
data->has_features |= HAS_TEMP_OFFSET | HAS_ZONE3 |
|
||||
HAS_ZONE_HYST | HAS_PWM_MIN | HAS_FAN(2) | HAS_PWM(2);
|
||||
break;
|
||||
case sch5027:
|
||||
data->has_features |= HAS_ZONE3;
|
||||
break;
|
||||
case sch5127:
|
||||
data->has_features |= HAS_FAN(2) | HAS_PWM(2);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
dev_info(dev, "Optional features: pwm3=%s, pwm5=%s, pwm6=%s, "
|
||||
"fan3=%s, fan4=%s, fan5=%s, fan6=%s.\n",
|
||||
(data->has_pwm & (1 << 2)) ? "yes" : "no",
|
||||
(data->has_pwm & (1 << 4)) ? "yes" : "no",
|
||||
(data->has_pwm & (1 << 5)) ? "yes" : "no",
|
||||
(data->has_fan & (1 << 2)) ? "yes" : "no",
|
||||
(data->has_fan & (1 << 3)) ? "yes" : "no",
|
||||
(data->has_fan & (1 << 4)) ? "yes" : "no",
|
||||
(data->has_fan & (1 << 5)) ? "yes" : "no");
|
||||
(data->has_features & HAS_PWM(2)) ? "yes" : "no",
|
||||
(data->has_features & HAS_PWM(4)) ? "yes" : "no",
|
||||
(data->has_features & HAS_PWM(5)) ? "yes" : "no",
|
||||
(data->has_features & HAS_FAN(2)) ? "yes" : "no",
|
||||
(data->has_features & HAS_FAN(3)) ? "yes" : "no",
|
||||
(data->has_features & HAS_FAN(4)) ? "yes" : "no",
|
||||
(data->has_features & HAS_FAN(5)) ? "yes" : "no");
|
||||
|
||||
reg = dme1737_read(data, DME1737_REG_TACH_PWM);
|
||||
/* Inform if fan-to-pwm mapping differs from the default */
|
||||
@ -2122,7 +2226,7 @@ static int dme1737_init_device(struct device *dev)
|
||||
for (ix = 0; ix < 3; ix++) {
|
||||
data->pwm_config[ix] = dme1737_read(data,
|
||||
DME1737_REG_PWM_CONFIG(ix));
|
||||
if ((data->has_pwm & (1 << ix)) &&
|
||||
if ((data->has_features & HAS_PWM(ix)) &&
|
||||
(PWM_EN_FROM_REG(data->pwm_config[ix]) == -1)) {
|
||||
dev_info(dev, "Switching pwm%d to "
|
||||
"manual mode.\n", ix + 1);
|
||||
@ -2142,7 +2246,7 @@ static int dme1737_init_device(struct device *dev)
|
||||
data->pwm_acz[2] = 4; /* pwm3 -> zone3 */
|
||||
|
||||
/* Set VRM */
|
||||
if (data->type == dme1737) {
|
||||
if (data->has_features & HAS_VID) {
|
||||
data->vrm = vid_which_vrm();
|
||||
}
|
||||
|
||||
@ -2163,10 +2267,10 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
|
||||
dme1737_sio_enter(sio_cip);
|
||||
|
||||
/* Check device ID
|
||||
* The DME1737 can return either 0x78 or 0x77 as its device ID.
|
||||
* The SCH5027 returns 0x89 as its device ID. */
|
||||
* We currently know about two kinds of DME1737 and SCH5027. */
|
||||
reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
|
||||
if (!(reg == 0x77 || reg == 0x78 || reg == 0x89)) {
|
||||
if (!(reg == DME1737_ID_1 || reg == DME1737_ID_2 ||
|
||||
reg == SCH5027_ID)) {
|
||||
err = -ENODEV;
|
||||
goto exit;
|
||||
}
|
||||
@ -2185,16 +2289,16 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
|
||||
* are enabled and available. Bits [3:2] of registers 0x43-0x46 are set
|
||||
* to '10' if the respective feature is enabled. */
|
||||
if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */
|
||||
data->has_fan |= (1 << 5);
|
||||
data->has_features |= HAS_FAN(5);
|
||||
}
|
||||
if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */
|
||||
data->has_pwm |= (1 << 5);
|
||||
data->has_features |= HAS_PWM(5);
|
||||
}
|
||||
if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */
|
||||
data->has_fan |= (1 << 4);
|
||||
data->has_features |= HAS_FAN(4);
|
||||
}
|
||||
if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */
|
||||
data->has_pwm |= (1 << 4);
|
||||
data->has_features |= HAS_PWM(4);
|
||||
}
|
||||
|
||||
exit:
|
||||
@ -2222,7 +2326,6 @@ static int dme1737_i2c_detect(struct i2c_client *client,
|
||||
if (company == DME1737_COMPANY_SMSC &&
|
||||
verstep == SCH5027_VERSTEP) {
|
||||
name = "sch5027";
|
||||
|
||||
} else if (company == DME1737_COMPANY_SMSC &&
|
||||
(verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
|
||||
name = "dme1737";
|
||||
@ -2329,10 +2432,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
|
||||
dme1737_sio_enter(sio_cip);
|
||||
|
||||
/* Check device ID
|
||||
* We currently know about SCH3112 (0x7c), SCH3114 (0x7d), and
|
||||
* SCH3116 (0x7f). */
|
||||
* We currently know about SCH3112, SCH3114, SCH3116, and SCH5127 */
|
||||
reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
|
||||
if (!(reg == 0x7c || reg == 0x7d || reg == 0x7f)) {
|
||||
if (!(reg == SCH3112_ID || reg == SCH3114_ID || reg == SCH3116_ID ||
|
||||
reg == SCH5127_ID)) {
|
||||
err = -ENODEV;
|
||||
goto exit;
|
||||
}
|
||||
@ -2424,23 +2527,42 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev)
|
||||
platform_set_drvdata(pdev, data);
|
||||
|
||||
/* Skip chip detection if module is loaded with force_id parameter */
|
||||
if (!force_id) {
|
||||
switch (force_id) {
|
||||
case SCH3112_ID:
|
||||
case SCH3114_ID:
|
||||
case SCH3116_ID:
|
||||
data->type = sch311x;
|
||||
break;
|
||||
case SCH5127_ID:
|
||||
data->type = sch5127;
|
||||
break;
|
||||
default:
|
||||
company = dme1737_read(data, DME1737_REG_COMPANY);
|
||||
device = dme1737_read(data, DME1737_REG_DEVICE);
|
||||
|
||||
if (!((company == DME1737_COMPANY_SMSC) &&
|
||||
(device == SCH311X_DEVICE))) {
|
||||
if ((company == DME1737_COMPANY_SMSC) &&
|
||||
(device == SCH311X_DEVICE)) {
|
||||
data->type = sch311x;
|
||||
} else if ((company == DME1737_COMPANY_SMSC) &&
|
||||
(device == SCH5127_DEVICE)) {
|
||||
data->type = sch5127;
|
||||
} else {
|
||||
err = -ENODEV;
|
||||
goto exit_kfree;
|
||||
}
|
||||
}
|
||||
data->type = sch311x;
|
||||
|
||||
/* Fill in the remaining client fields and initialize the mutex */
|
||||
data->name = "sch311x";
|
||||
if (data->type == sch5127) {
|
||||
data->name = "sch5127";
|
||||
} else {
|
||||
data->name = "sch311x";
|
||||
}
|
||||
|
||||
/* Initialize the mutex */
|
||||
mutex_init(&data->update_lock);
|
||||
|
||||
dev_info(dev, "Found a SCH311x chip at 0x%04x\n", data->addr);
|
||||
dev_info(dev, "Found a %s chip at 0x%04x\n",
|
||||
data->type == sch5127 ? "SCH5127" : "SCH311x", data->addr);
|
||||
|
||||
/* Initialize the chip */
|
||||
if ((err = dme1737_init_device(dev))) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user