mirror of https://gitee.com/openkylin/linux.git
2803 lines
83 KiB
C
2803 lines
83 KiB
C
/*
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* w83627ehf - Driver for the hardware monitoring functionality of
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* the Winbond W83627EHF Super-I/O chip
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* Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org>
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* Copyright (C) 2006 Yuan Mu (Winbond),
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* Rudolf Marek <r.marek@assembler.cz>
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* David Hubbard <david.c.hubbard@gmail.com>
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* Daniel J Blueman <daniel.blueman@gmail.com>
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* Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
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*
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* Shamelessly ripped from the w83627hf driver
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* Copyright (C) 2003 Mark Studebaker
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*
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* Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
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* in testing and debugging this driver.
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*
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* This driver also supports the W83627EHG, which is the lead-free
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* version of the W83627EHF.
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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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Supports the following chips:
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*
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* Chip #vin #fan #pwm #temp chip IDs man ID
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* w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
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* 0x8860 0xa1
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* w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
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* w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
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* w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
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* w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
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* w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
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* nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
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* nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/jiffies.h>
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#include <linux/platform_device.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/hwmon-vid.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <linux/acpi.h>
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#include <linux/io.h>
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#include "lm75.h"
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enum kinds {
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w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
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w83667hg, w83667hg_b, nct6775, nct6776,
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};
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/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
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static const char * const w83627ehf_device_names[] = {
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"w83627ehf",
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"w83627dhg",
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"w83627dhg",
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"w83627uhg",
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"w83667hg",
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"w83667hg",
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"nct6775",
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"nct6776",
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};
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static unsigned short force_id;
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module_param(force_id, ushort, 0);
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MODULE_PARM_DESC(force_id, "Override the detected device ID");
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static unsigned short fan_debounce;
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module_param(fan_debounce, ushort, 0);
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MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
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#define DRVNAME "w83627ehf"
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/*
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* Super-I/O constants and functions
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*/
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#define W83627EHF_LD_HWM 0x0b
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#define W83667HG_LD_VID 0x0d
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#define SIO_REG_LDSEL 0x07 /* Logical device select */
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#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
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#define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */
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#define SIO_REG_ENABLE 0x30 /* Logical device enable */
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#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
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#define SIO_REG_VID_CTRL 0xF0 /* VID control */
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#define SIO_REG_VID_DATA 0xF1 /* VID data */
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#define SIO_W83627EHF_ID 0x8850
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#define SIO_W83627EHG_ID 0x8860
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#define SIO_W83627DHG_ID 0xa020
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#define SIO_W83627DHG_P_ID 0xb070
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#define SIO_W83627UHG_ID 0xa230
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#define SIO_W83667HG_ID 0xa510
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#define SIO_W83667HG_B_ID 0xb350
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#define SIO_NCT6775_ID 0xb470
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#define SIO_NCT6776_ID 0xc330
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#define SIO_ID_MASK 0xFFF0
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static inline void
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superio_outb(int ioreg, int reg, int val)
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{
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outb(reg, ioreg);
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outb(val, ioreg + 1);
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}
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static inline int
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superio_inb(int ioreg, int reg)
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{
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outb(reg, ioreg);
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return inb(ioreg + 1);
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}
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static inline void
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superio_select(int ioreg, int ld)
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{
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outb(SIO_REG_LDSEL, ioreg);
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outb(ld, ioreg + 1);
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}
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static inline void
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superio_enter(int ioreg)
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{
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outb(0x87, ioreg);
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outb(0x87, ioreg);
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}
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static inline void
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superio_exit(int ioreg)
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{
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outb(0xaa, ioreg);
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outb(0x02, ioreg);
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outb(0x02, ioreg + 1);
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}
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/*
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* ISA constants
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*/
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#define IOREGION_ALIGNMENT (~7)
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#define IOREGION_OFFSET 5
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#define IOREGION_LENGTH 2
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#define ADDR_REG_OFFSET 0
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#define DATA_REG_OFFSET 1
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#define W83627EHF_REG_BANK 0x4E
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#define W83627EHF_REG_CONFIG 0x40
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/*
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* Not currently used:
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* REG_MAN_ID has the value 0x5ca3 for all supported chips.
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* REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
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* REG_MAN_ID is at port 0x4f
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* REG_CHIP_ID is at port 0x58
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*/
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static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
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static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
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/* The W83627EHF registers for nr=7,8,9 are in bank 5 */
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#define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
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(0x554 + (((nr) - 7) * 2)))
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#define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
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(0x555 + (((nr) - 7) * 2)))
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#define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
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(0x550 + (nr) - 7))
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static const u16 W83627EHF_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x7e };
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static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x3a, 0x153, 0x253, 0 };
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static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x39, 0x155, 0x255, 0 };
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static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0 };
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/* Fan clock dividers are spread over the following five registers */
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#define W83627EHF_REG_FANDIV1 0x47
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#define W83627EHF_REG_FANDIV2 0x4B
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#define W83627EHF_REG_VBAT 0x5D
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#define W83627EHF_REG_DIODE 0x59
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#define W83627EHF_REG_SMI_OVT 0x4C
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/* NCT6775F has its own fan divider registers */
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#define NCT6775_REG_FANDIV1 0x506
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#define NCT6775_REG_FANDIV2 0x507
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#define NCT6775_REG_FAN_DEBOUNCE 0xf0
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#define W83627EHF_REG_ALARM1 0x459
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#define W83627EHF_REG_ALARM2 0x45A
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#define W83627EHF_REG_ALARM3 0x45B
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#define W83627EHF_REG_CASEOPEN_DET 0x42 /* SMI STATUS #2 */
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#define W83627EHF_REG_CASEOPEN_CLR 0x46 /* SMI MASK #3 */
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/* SmartFan registers */
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#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f
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#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e
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/* DC or PWM output fan configuration */
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static const u8 W83627EHF_REG_PWM_ENABLE[] = {
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0x04, /* SYS FAN0 output mode and PWM mode */
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0x04, /* CPU FAN0 output mode and PWM mode */
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0x12, /* AUX FAN mode */
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0x62, /* CPU FAN1 mode */
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};
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static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 };
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static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 };
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/* FAN Duty Cycle, be used to control */
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static const u16 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 };
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static const u16 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 };
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static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 };
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/* Advanced Fan control, some values are common for all fans */
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static const u16 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 };
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static const u16 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 };
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static const u16 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 };
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static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
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= { 0xff, 0x67, 0xff, 0x69 };
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static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
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= { 0xff, 0x68, 0xff, 0x6a };
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static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
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static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
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= { 0x68, 0x6a, 0x6c };
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static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
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static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
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static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
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static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
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static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { 0x106, 0x206, 0x306 };
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static const u16 NCT6775_REG_FAN_STOP_TIME[] = { 0x107, 0x207, 0x307 };
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static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309 };
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static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a };
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static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b };
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static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
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static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642};
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static const u16 NCT6775_REG_TEMP[]
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= { 0x27, 0x150, 0x250, 0x73, 0x75, 0x77, 0x62b, 0x62c, 0x62d };
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static const u16 NCT6775_REG_TEMP_CONFIG[]
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= { 0, 0x152, 0x252, 0, 0, 0, 0x628, 0x629, 0x62A };
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static const u16 NCT6775_REG_TEMP_HYST[]
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= { 0x3a, 0x153, 0x253, 0, 0, 0, 0x673, 0x678, 0x67D };
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static const u16 NCT6775_REG_TEMP_OVER[]
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= { 0x39, 0x155, 0x255, 0, 0, 0, 0x672, 0x677, 0x67C };
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static const u16 NCT6775_REG_TEMP_SOURCE[]
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= { 0x621, 0x622, 0x623, 0x100, 0x200, 0x300, 0x624, 0x625, 0x626 };
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static const char *const w83667hg_b_temp_label[] = {
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"SYSTIN",
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"CPUTIN",
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"AUXTIN",
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"AMDTSI",
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"PECI Agent 1",
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"PECI Agent 2",
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"PECI Agent 3",
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"PECI Agent 4"
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};
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static const char *const nct6775_temp_label[] = {
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"",
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"SYSTIN",
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"CPUTIN",
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"AUXTIN",
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"AMD SB-TSI",
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"PECI Agent 0",
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"PECI Agent 1",
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"PECI Agent 2",
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"PECI Agent 3",
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"PECI Agent 4",
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"PECI Agent 5",
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"PECI Agent 6",
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"PECI Agent 7",
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"PCH_CHIP_CPU_MAX_TEMP",
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"PCH_CHIP_TEMP",
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"PCH_CPU_TEMP",
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"PCH_MCH_TEMP",
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"PCH_DIM0_TEMP",
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"PCH_DIM1_TEMP",
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"PCH_DIM2_TEMP",
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"PCH_DIM3_TEMP"
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};
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static const char *const nct6776_temp_label[] = {
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"",
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"SYSTIN",
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"CPUTIN",
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"AUXTIN",
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"SMBUSMASTER 0",
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"SMBUSMASTER 1",
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"SMBUSMASTER 2",
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"SMBUSMASTER 3",
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"SMBUSMASTER 4",
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"SMBUSMASTER 5",
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"SMBUSMASTER 6",
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"SMBUSMASTER 7",
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"PECI Agent 0",
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"PECI Agent 1",
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"PCH_CHIP_CPU_MAX_TEMP",
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"PCH_CHIP_TEMP",
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"PCH_CPU_TEMP",
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"PCH_MCH_TEMP",
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"PCH_DIM0_TEMP",
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"PCH_DIM1_TEMP",
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"PCH_DIM2_TEMP",
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"PCH_DIM3_TEMP",
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"BYTE_TEMP"
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};
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#define NUM_REG_TEMP ARRAY_SIZE(NCT6775_REG_TEMP)
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static int is_word_sized(u16 reg)
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{
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return ((((reg & 0xff00) == 0x100
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|| (reg & 0xff00) == 0x200)
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&& ((reg & 0x00ff) == 0x50
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|| (reg & 0x00ff) == 0x53
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|| (reg & 0x00ff) == 0x55))
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|| (reg & 0xfff0) == 0x630
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|| reg == 0x640 || reg == 0x642
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|| ((reg & 0xfff0) == 0x650
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&& (reg & 0x000f) >= 0x06)
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|| reg == 0x73 || reg == 0x75 || reg == 0x77
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);
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}
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/*
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* Conversions
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*/
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/* 1 is PWM mode, output in ms */
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static inline unsigned int step_time_from_reg(u8 reg, u8 mode)
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{
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return mode ? 100 * reg : 400 * reg;
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}
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static inline u8 step_time_to_reg(unsigned int msec, u8 mode)
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{
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return SENSORS_LIMIT((mode ? (msec + 50) / 100 :
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(msec + 200) / 400), 1, 255);
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}
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static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
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{
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if (reg == 0 || reg == 255)
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return 0;
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return 1350000U / (reg << divreg);
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}
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static unsigned int fan_from_reg13(u16 reg, unsigned int divreg)
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{
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if ((reg & 0xff1f) == 0xff1f)
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return 0;
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reg = (reg & 0x1f) | ((reg & 0xff00) >> 3);
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if (reg == 0)
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return 0;
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return 1350000U / reg;
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}
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static unsigned int fan_from_reg16(u16 reg, unsigned int divreg)
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{
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if (reg == 0 || reg == 0xffff)
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return 0;
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/*
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* Even though the registers are 16 bit wide, the fan divisor
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* still applies.
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*/
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return 1350000U / (reg << divreg);
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}
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static inline unsigned int
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div_from_reg(u8 reg)
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{
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return 1 << reg;
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}
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/*
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* Some of the voltage inputs have internal scaling, the tables below
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* contain 8 (the ADC LSB in mV) * scaling factor * 100
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*/
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static const u16 scale_in_common[10] = {
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800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
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};
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static const u16 scale_in_w83627uhg[9] = {
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800, 800, 3328, 3424, 800, 800, 0, 3328, 3400
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};
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static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
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{
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return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
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}
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static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
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{
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return SENSORS_LIMIT(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0,
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255);
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}
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/*
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* Data structures and manipulation thereof
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*/
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struct w83627ehf_data {
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int addr; /* IO base of hw monitor block */
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const char *name;
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struct device *hwmon_dev;
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struct mutex lock;
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u16 reg_temp[NUM_REG_TEMP];
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u16 reg_temp_over[NUM_REG_TEMP];
|
|
u16 reg_temp_hyst[NUM_REG_TEMP];
|
|
u16 reg_temp_config[NUM_REG_TEMP];
|
|
u8 temp_src[NUM_REG_TEMP];
|
|
const char * const *temp_label;
|
|
|
|
const u16 *REG_PWM;
|
|
const u16 *REG_TARGET;
|
|
const u16 *REG_FAN;
|
|
const u16 *REG_FAN_MIN;
|
|
const u16 *REG_FAN_START_OUTPUT;
|
|
const u16 *REG_FAN_STOP_OUTPUT;
|
|
const u16 *REG_FAN_STOP_TIME;
|
|
const u16 *REG_FAN_MAX_OUTPUT;
|
|
const u16 *REG_FAN_STEP_OUTPUT;
|
|
const u16 *scale_in;
|
|
|
|
unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
|
|
unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
|
|
|
|
struct mutex update_lock;
|
|
char valid; /* !=0 if following fields are valid */
|
|
unsigned long last_updated; /* In jiffies */
|
|
|
|
/* Register values */
|
|
u8 bank; /* current register bank */
|
|
u8 in_num; /* number of in inputs we have */
|
|
u8 in[10]; /* Register value */
|
|
u8 in_max[10]; /* Register value */
|
|
u8 in_min[10]; /* Register value */
|
|
unsigned int rpm[5];
|
|
u16 fan_min[5];
|
|
u8 fan_div[5];
|
|
u8 has_fan; /* some fan inputs can be disabled */
|
|
u8 has_fan_min; /* some fans don't have min register */
|
|
bool has_fan_div;
|
|
u8 temp_type[3];
|
|
s8 temp_offset[3];
|
|
s16 temp[9];
|
|
s16 temp_max[9];
|
|
s16 temp_max_hyst[9];
|
|
u32 alarms;
|
|
u8 caseopen;
|
|
|
|
u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
|
|
u8 pwm_enable[4]; /* 1->manual
|
|
* 2->thermal cruise mode (also called SmartFan I)
|
|
* 3->fan speed cruise mode
|
|
* 4->variable thermal cruise (also called
|
|
* SmartFan III)
|
|
* 5->enhanced variable thermal cruise (also called
|
|
* SmartFan IV)
|
|
*/
|
|
u8 pwm_enable_orig[4]; /* original value of pwm_enable */
|
|
u8 pwm_num; /* number of pwm */
|
|
u8 pwm[4];
|
|
u8 target_temp[4];
|
|
u8 tolerance[4];
|
|
|
|
u8 fan_start_output[4]; /* minimum fan speed when spinning up */
|
|
u8 fan_stop_output[4]; /* minimum fan speed when spinning down */
|
|
u8 fan_stop_time[4]; /* time at minimum before disabling fan */
|
|
u8 fan_max_output[4]; /* maximum fan speed */
|
|
u8 fan_step_output[4]; /* rate of change output value */
|
|
|
|
u8 vid;
|
|
u8 vrm;
|
|
|
|
u16 have_temp;
|
|
u16 have_temp_offset;
|
|
u8 in6_skip:1;
|
|
u8 temp3_val_only:1;
|
|
};
|
|
|
|
struct w83627ehf_sio_data {
|
|
int sioreg;
|
|
enum kinds kind;
|
|
};
|
|
|
|
/*
|
|
* On older chips, only registers 0x50-0x5f are banked.
|
|
* On more recent chips, all registers are banked.
|
|
* Assume that is the case and set the bank number for each access.
|
|
* Cache the bank number so it only needs to be set if it changes.
|
|
*/
|
|
static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg)
|
|
{
|
|
u8 bank = reg >> 8;
|
|
if (data->bank != bank) {
|
|
outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET);
|
|
outb_p(bank, data->addr + DATA_REG_OFFSET);
|
|
data->bank = bank;
|
|
}
|
|
}
|
|
|
|
static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg)
|
|
{
|
|
int res, word_sized = is_word_sized(reg);
|
|
|
|
mutex_lock(&data->lock);
|
|
|
|
w83627ehf_set_bank(data, reg);
|
|
outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
|
|
res = inb_p(data->addr + DATA_REG_OFFSET);
|
|
if (word_sized) {
|
|
outb_p((reg & 0xff) + 1,
|
|
data->addr + ADDR_REG_OFFSET);
|
|
res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET);
|
|
}
|
|
|
|
mutex_unlock(&data->lock);
|
|
return res;
|
|
}
|
|
|
|
static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
|
|
u16 value)
|
|
{
|
|
int word_sized = is_word_sized(reg);
|
|
|
|
mutex_lock(&data->lock);
|
|
|
|
w83627ehf_set_bank(data, reg);
|
|
outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
|
|
if (word_sized) {
|
|
outb_p(value >> 8, data->addr + DATA_REG_OFFSET);
|
|
outb_p((reg & 0xff) + 1,
|
|
data->addr + ADDR_REG_OFFSET);
|
|
}
|
|
outb_p(value & 0xff, data->addr + DATA_REG_OFFSET);
|
|
|
|
mutex_unlock(&data->lock);
|
|
return 0;
|
|
}
|
|
|
|
/* We left-align 8-bit temperature values to make the code simpler */
|
|
static u16 w83627ehf_read_temp(struct w83627ehf_data *data, u16 reg)
|
|
{
|
|
u16 res;
|
|
|
|
res = w83627ehf_read_value(data, reg);
|
|
if (!is_word_sized(reg))
|
|
res <<= 8;
|
|
|
|
return res;
|
|
}
|
|
|
|
static int w83627ehf_write_temp(struct w83627ehf_data *data, u16 reg,
|
|
u16 value)
|
|
{
|
|
if (!is_word_sized(reg))
|
|
value >>= 8;
|
|
return w83627ehf_write_value(data, reg, value);
|
|
}
|
|
|
|
/* This function assumes that the caller holds data->update_lock */
|
|
static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
|
|
{
|
|
u8 reg;
|
|
|
|
switch (nr) {
|
|
case 0:
|
|
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x70)
|
|
| (data->fan_div[0] & 0x7);
|
|
w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
|
|
break;
|
|
case 1:
|
|
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
|
|
| ((data->fan_div[1] << 4) & 0x70);
|
|
w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
|
|
break;
|
|
case 2:
|
|
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
|
|
| (data->fan_div[2] & 0x7);
|
|
w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
|
|
break;
|
|
case 3:
|
|
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x7)
|
|
| ((data->fan_div[3] << 4) & 0x70);
|
|
w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* This function assumes that the caller holds data->update_lock */
|
|
static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
|
|
{
|
|
u8 reg;
|
|
|
|
switch (nr) {
|
|
case 0:
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf)
|
|
| ((data->fan_div[0] & 0x03) << 4);
|
|
/* fan5 input control bit is write only, compute the value */
|
|
reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
|
|
w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf)
|
|
| ((data->fan_div[0] & 0x04) << 3);
|
|
w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
|
|
break;
|
|
case 1:
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f)
|
|
| ((data->fan_div[1] & 0x03) << 6);
|
|
/* fan5 input control bit is write only, compute the value */
|
|
reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
|
|
w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf)
|
|
| ((data->fan_div[1] & 0x04) << 4);
|
|
w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
|
|
break;
|
|
case 2:
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f)
|
|
| ((data->fan_div[2] & 0x03) << 6);
|
|
w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg);
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f)
|
|
| ((data->fan_div[2] & 0x04) << 5);
|
|
w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
|
|
break;
|
|
case 3:
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc)
|
|
| (data->fan_div[3] & 0x03);
|
|
w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f)
|
|
| ((data->fan_div[3] & 0x04) << 5);
|
|
w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg);
|
|
break;
|
|
case 4:
|
|
reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73)
|
|
| ((data->fan_div[4] & 0x03) << 2)
|
|
| ((data->fan_div[4] & 0x04) << 5);
|
|
w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void w83627ehf_write_fan_div_common(struct device *dev,
|
|
struct w83627ehf_data *data, int nr)
|
|
{
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
|
|
if (sio_data->kind == nct6776)
|
|
; /* no dividers, do nothing */
|
|
else if (sio_data->kind == nct6775)
|
|
nct6775_write_fan_div(data, nr);
|
|
else
|
|
w83627ehf_write_fan_div(data, nr);
|
|
}
|
|
|
|
static void nct6775_update_fan_div(struct w83627ehf_data *data)
|
|
{
|
|
u8 i;
|
|
|
|
i = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
|
|
data->fan_div[0] = i & 0x7;
|
|
data->fan_div[1] = (i & 0x70) >> 4;
|
|
i = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
|
|
data->fan_div[2] = i & 0x7;
|
|
if (data->has_fan & (1<<3))
|
|
data->fan_div[3] = (i & 0x70) >> 4;
|
|
}
|
|
|
|
static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
|
|
{
|
|
int i;
|
|
|
|
i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
|
|
data->fan_div[0] = (i >> 4) & 0x03;
|
|
data->fan_div[1] = (i >> 6) & 0x03;
|
|
i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2);
|
|
data->fan_div[2] = (i >> 6) & 0x03;
|
|
i = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
|
|
data->fan_div[0] |= (i >> 3) & 0x04;
|
|
data->fan_div[1] |= (i >> 4) & 0x04;
|
|
data->fan_div[2] |= (i >> 5) & 0x04;
|
|
if (data->has_fan & ((1 << 3) | (1 << 4))) {
|
|
i = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
|
|
data->fan_div[3] = i & 0x03;
|
|
data->fan_div[4] = ((i >> 2) & 0x03)
|
|
| ((i >> 5) & 0x04);
|
|
}
|
|
if (data->has_fan & (1 << 3)) {
|
|
i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT);
|
|
data->fan_div[3] |= (i >> 5) & 0x04;
|
|
}
|
|
}
|
|
|
|
static void w83627ehf_update_fan_div_common(struct device *dev,
|
|
struct w83627ehf_data *data)
|
|
{
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
|
|
if (sio_data->kind == nct6776)
|
|
; /* no dividers, do nothing */
|
|
else if (sio_data->kind == nct6775)
|
|
nct6775_update_fan_div(data);
|
|
else
|
|
w83627ehf_update_fan_div(data);
|
|
}
|
|
|
|
static void nct6775_update_pwm(struct w83627ehf_data *data)
|
|
{
|
|
int i;
|
|
int pwmcfg, fanmodecfg;
|
|
|
|
for (i = 0; i < data->pwm_num; i++) {
|
|
pwmcfg = w83627ehf_read_value(data,
|
|
W83627EHF_REG_PWM_ENABLE[i]);
|
|
fanmodecfg = w83627ehf_read_value(data,
|
|
NCT6775_REG_FAN_MODE[i]);
|
|
data->pwm_mode[i] =
|
|
((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
|
|
data->pwm_enable[i] = ((fanmodecfg >> 4) & 7) + 1;
|
|
data->tolerance[i] = fanmodecfg & 0x0f;
|
|
data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
|
|
}
|
|
}
|
|
|
|
static void w83627ehf_update_pwm(struct w83627ehf_data *data)
|
|
{
|
|
int i;
|
|
int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
|
|
|
|
for (i = 0; i < data->pwm_num; i++) {
|
|
if (!(data->has_fan & (1 << i)))
|
|
continue;
|
|
|
|
/* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
|
|
if (i != 1) {
|
|
pwmcfg = w83627ehf_read_value(data,
|
|
W83627EHF_REG_PWM_ENABLE[i]);
|
|
tolerance = w83627ehf_read_value(data,
|
|
W83627EHF_REG_TOLERANCE[i]);
|
|
}
|
|
data->pwm_mode[i] =
|
|
((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
|
|
data->pwm_enable[i] = ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
|
|
& 3) + 1;
|
|
data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
|
|
|
|
data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) & 0x0f;
|
|
}
|
|
}
|
|
|
|
static void w83627ehf_update_pwm_common(struct device *dev,
|
|
struct w83627ehf_data *data)
|
|
{
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
|
|
if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
|
|
nct6775_update_pwm(data);
|
|
else
|
|
w83627ehf_update_pwm(data);
|
|
}
|
|
|
|
static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
|
|
int i;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
|
|
if (time_after(jiffies, data->last_updated + HZ + HZ/2)
|
|
|| !data->valid) {
|
|
/* Fan clock dividers */
|
|
w83627ehf_update_fan_div_common(dev, data);
|
|
|
|
/* Measured voltages and limits */
|
|
for (i = 0; i < data->in_num; i++) {
|
|
if ((i == 6) && data->in6_skip)
|
|
continue;
|
|
|
|
data->in[i] = w83627ehf_read_value(data,
|
|
W83627EHF_REG_IN(i));
|
|
data->in_min[i] = w83627ehf_read_value(data,
|
|
W83627EHF_REG_IN_MIN(i));
|
|
data->in_max[i] = w83627ehf_read_value(data,
|
|
W83627EHF_REG_IN_MAX(i));
|
|
}
|
|
|
|
/* Measured fan speeds and limits */
|
|
for (i = 0; i < 5; i++) {
|
|
u16 reg;
|
|
|
|
if (!(data->has_fan & (1 << i)))
|
|
continue;
|
|
|
|
reg = w83627ehf_read_value(data, data->REG_FAN[i]);
|
|
data->rpm[i] = data->fan_from_reg(reg,
|
|
data->fan_div[i]);
|
|
|
|
if (data->has_fan_min & (1 << i))
|
|
data->fan_min[i] = w83627ehf_read_value(data,
|
|
data->REG_FAN_MIN[i]);
|
|
|
|
/*
|
|
* If we failed to measure the fan speed and clock
|
|
* divider can be increased, let's try that for next
|
|
* time
|
|
*/
|
|
if (data->has_fan_div
|
|
&& (reg >= 0xff || (sio_data->kind == nct6775
|
|
&& reg == 0x00))
|
|
&& data->fan_div[i] < 0x07) {
|
|
dev_dbg(dev, "Increasing fan%d "
|
|
"clock divider from %u to %u\n",
|
|
i + 1, div_from_reg(data->fan_div[i]),
|
|
div_from_reg(data->fan_div[i] + 1));
|
|
data->fan_div[i]++;
|
|
w83627ehf_write_fan_div_common(dev, data, i);
|
|
/* Preserve min limit if possible */
|
|
if ((data->has_fan_min & (1 << i))
|
|
&& data->fan_min[i] >= 2
|
|
&& data->fan_min[i] != 255)
|
|
w83627ehf_write_value(data,
|
|
data->REG_FAN_MIN[i],
|
|
(data->fan_min[i] /= 2));
|
|
}
|
|
}
|
|
|
|
w83627ehf_update_pwm_common(dev, data);
|
|
|
|
for (i = 0; i < data->pwm_num; i++) {
|
|
if (!(data->has_fan & (1 << i)))
|
|
continue;
|
|
|
|
data->fan_start_output[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_FAN_START_OUTPUT[i]);
|
|
data->fan_stop_output[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_FAN_STOP_OUTPUT[i]);
|
|
data->fan_stop_time[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_FAN_STOP_TIME[i]);
|
|
|
|
if (data->REG_FAN_MAX_OUTPUT &&
|
|
data->REG_FAN_MAX_OUTPUT[i] != 0xff)
|
|
data->fan_max_output[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_FAN_MAX_OUTPUT[i]);
|
|
|
|
if (data->REG_FAN_STEP_OUTPUT &&
|
|
data->REG_FAN_STEP_OUTPUT[i] != 0xff)
|
|
data->fan_step_output[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_FAN_STEP_OUTPUT[i]);
|
|
|
|
data->target_temp[i] =
|
|
w83627ehf_read_value(data,
|
|
data->REG_TARGET[i]) &
|
|
(data->pwm_mode[i] == 1 ? 0x7f : 0xff);
|
|
}
|
|
|
|
/* Measured temperatures and limits */
|
|
for (i = 0; i < NUM_REG_TEMP; i++) {
|
|
if (!(data->have_temp & (1 << i)))
|
|
continue;
|
|
data->temp[i] = w83627ehf_read_temp(data,
|
|
data->reg_temp[i]);
|
|
if (data->reg_temp_over[i])
|
|
data->temp_max[i]
|
|
= w83627ehf_read_temp(data,
|
|
data->reg_temp_over[i]);
|
|
if (data->reg_temp_hyst[i])
|
|
data->temp_max_hyst[i]
|
|
= w83627ehf_read_temp(data,
|
|
data->reg_temp_hyst[i]);
|
|
if (data->have_temp_offset & (1 << i))
|
|
data->temp_offset[i]
|
|
= w83627ehf_read_value(data,
|
|
W83627EHF_REG_TEMP_OFFSET[i]);
|
|
}
|
|
|
|
data->alarms = w83627ehf_read_value(data,
|
|
W83627EHF_REG_ALARM1) |
|
|
(w83627ehf_read_value(data,
|
|
W83627EHF_REG_ALARM2) << 8) |
|
|
(w83627ehf_read_value(data,
|
|
W83627EHF_REG_ALARM3) << 16);
|
|
|
|
data->caseopen = w83627ehf_read_value(data,
|
|
W83627EHF_REG_CASEOPEN_DET);
|
|
|
|
data->last_updated = jiffies;
|
|
data->valid = 1;
|
|
}
|
|
|
|
mutex_unlock(&data->update_lock);
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
* Sysfs callback functions
|
|
*/
|
|
#define show_in_reg(reg) \
|
|
static ssize_t \
|
|
show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
|
|
data->scale_in)); \
|
|
}
|
|
show_in_reg(in)
|
|
show_in_reg(in_min)
|
|
show_in_reg(in_max)
|
|
|
|
#define store_in_reg(REG, reg) \
|
|
static ssize_t \
|
|
store_in_##reg(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
unsigned long val; \
|
|
int err; \
|
|
err = kstrtoul(buf, 10, &val); \
|
|
if (err < 0) \
|
|
return err; \
|
|
mutex_lock(&data->update_lock); \
|
|
data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
|
|
w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
|
|
data->in_##reg[nr]); \
|
|
mutex_unlock(&data->update_lock); \
|
|
return count; \
|
|
}
|
|
|
|
store_in_reg(MIN, min)
|
|
store_in_reg(MAX, max)
|
|
|
|
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01);
|
|
}
|
|
|
|
static struct sensor_device_attribute sda_in_input[] = {
|
|
SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
|
|
SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
|
|
SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
|
|
SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
|
|
SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
|
|
SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
|
|
SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
|
|
SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
|
|
SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
|
|
SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_in_alarm[] = {
|
|
SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
|
|
SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
|
|
SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
|
|
SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
|
|
SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8),
|
|
SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21),
|
|
SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20),
|
|
SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16),
|
|
SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17),
|
|
SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_in_min[] = {
|
|
SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
|
|
SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
|
|
SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
|
|
SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
|
|
SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
|
|
SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
|
|
SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
|
|
SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
|
|
SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
|
|
SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_in_max[] = {
|
|
SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
|
|
SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
|
|
SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
|
|
SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
|
|
SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
|
|
SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
|
|
SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
|
|
SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
|
|
SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
|
|
SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
|
|
};
|
|
|
|
static ssize_t
|
|
show_fan(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%d\n", data->rpm[nr]);
|
|
}
|
|
|
|
static ssize_t
|
|
show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%d\n",
|
|
data->fan_from_reg_min(data->fan_min[nr],
|
|
data->fan_div[nr]));
|
|
}
|
|
|
|
static ssize_t
|
|
show_fan_div(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
|
|
}
|
|
|
|
static ssize_t
|
|
store_fan_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
unsigned long val;
|
|
int err;
|
|
unsigned int reg;
|
|
u8 new_div;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if (!data->has_fan_div) {
|
|
/*
|
|
* Only NCT6776F for now, so we know that this is a 13 bit
|
|
* register
|
|
*/
|
|
if (!val) {
|
|
val = 0xff1f;
|
|
} else {
|
|
if (val > 1350000U)
|
|
val = 135000U;
|
|
val = 1350000U / val;
|
|
val = (val & 0x1f) | ((val << 3) & 0xff00);
|
|
}
|
|
data->fan_min[nr] = val;
|
|
goto done; /* Leave fan divider alone */
|
|
}
|
|
if (!val) {
|
|
/* No min limit, alarm disabled */
|
|
data->fan_min[nr] = 255;
|
|
new_div = data->fan_div[nr]; /* No change */
|
|
dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
|
|
} else if ((reg = 1350000U / val) >= 128 * 255) {
|
|
/*
|
|
* Speed below this value cannot possibly be represented,
|
|
* even with the highest divider (128)
|
|
*/
|
|
data->fan_min[nr] = 254;
|
|
new_div = 7; /* 128 == (1 << 7) */
|
|
dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
|
|
"minimum\n", nr + 1, val,
|
|
data->fan_from_reg_min(254, 7));
|
|
} else if (!reg) {
|
|
/*
|
|
* Speed above this value cannot possibly be represented,
|
|
* even with the lowest divider (1)
|
|
*/
|
|
data->fan_min[nr] = 1;
|
|
new_div = 0; /* 1 == (1 << 0) */
|
|
dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
|
|
"maximum\n", nr + 1, val,
|
|
data->fan_from_reg_min(1, 0));
|
|
} else {
|
|
/*
|
|
* Automatically pick the best divider, i.e. the one such
|
|
* that the min limit will correspond to a register value
|
|
* in the 96..192 range
|
|
*/
|
|
new_div = 0;
|
|
while (reg > 192 && new_div < 7) {
|
|
reg >>= 1;
|
|
new_div++;
|
|
}
|
|
data->fan_min[nr] = reg;
|
|
}
|
|
|
|
/*
|
|
* Write both the fan clock divider (if it changed) and the new
|
|
* fan min (unconditionally)
|
|
*/
|
|
if (new_div != data->fan_div[nr]) {
|
|
dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
|
|
nr + 1, div_from_reg(data->fan_div[nr]),
|
|
div_from_reg(new_div));
|
|
data->fan_div[nr] = new_div;
|
|
w83627ehf_write_fan_div_common(dev, data, nr);
|
|
/* Give the chip time to sample a new speed value */
|
|
data->last_updated = jiffies;
|
|
}
|
|
done:
|
|
w83627ehf_write_value(data, data->REG_FAN_MIN[nr],
|
|
data->fan_min[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct sensor_device_attribute sda_fan_input[] = {
|
|
SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
|
|
SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
|
|
SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
|
|
SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3),
|
|
SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_fan_alarm[] = {
|
|
SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6),
|
|
SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7),
|
|
SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11),
|
|
SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10),
|
|
SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_fan_min[] = {
|
|
SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min,
|
|
store_fan_min, 0),
|
|
SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min,
|
|
store_fan_min, 1),
|
|
SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min,
|
|
store_fan_min, 2),
|
|
SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min,
|
|
store_fan_min, 3),
|
|
SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min,
|
|
store_fan_min, 4),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_fan_div[] = {
|
|
SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
|
|
SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
|
|
SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
|
|
SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3),
|
|
SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4),
|
|
};
|
|
|
|
static ssize_t
|
|
show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
|
|
}
|
|
|
|
#define show_temp_reg(addr, reg) \
|
|
static ssize_t \
|
|
show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->reg[nr])); \
|
|
}
|
|
show_temp_reg(reg_temp, temp);
|
|
show_temp_reg(reg_temp_over, temp_max);
|
|
show_temp_reg(reg_temp_hyst, temp_max_hyst);
|
|
|
|
#define store_temp_reg(addr, reg) \
|
|
static ssize_t \
|
|
store_##reg(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
int err; \
|
|
long val; \
|
|
err = kstrtol(buf, 10, &val); \
|
|
if (err < 0) \
|
|
return err; \
|
|
mutex_lock(&data->update_lock); \
|
|
data->reg[nr] = LM75_TEMP_TO_REG(val); \
|
|
w83627ehf_write_temp(data, data->addr[nr], data->reg[nr]); \
|
|
mutex_unlock(&data->update_lock); \
|
|
return count; \
|
|
}
|
|
store_temp_reg(reg_temp_over, temp_max);
|
|
store_temp_reg(reg_temp_hyst, temp_max_hyst);
|
|
|
|
static ssize_t
|
|
show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
|
|
return sprintf(buf, "%d\n",
|
|
data->temp_offset[sensor_attr->index] * 1000);
|
|
}
|
|
|
|
static ssize_t
|
|
store_temp_offset(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_offset[nr] = val;
|
|
w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
|
|
}
|
|
|
|
static struct sensor_device_attribute sda_temp_input[] = {
|
|
SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
|
|
SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
|
|
SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
|
|
SENSOR_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3),
|
|
SENSOR_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4),
|
|
SENSOR_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5),
|
|
SENSOR_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6),
|
|
SENSOR_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7),
|
|
SENSOR_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_label[] = {
|
|
SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0),
|
|
SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1),
|
|
SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2),
|
|
SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3),
|
|
SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4),
|
|
SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5),
|
|
SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6),
|
|
SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7),
|
|
SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_max[] = {
|
|
SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 0),
|
|
SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 1),
|
|
SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 2),
|
|
SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 3),
|
|
SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 4),
|
|
SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 5),
|
|
SENSOR_ATTR(temp7_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 6),
|
|
SENSOR_ATTR(temp8_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 7),
|
|
SENSOR_ATTR(temp9_max, S_IRUGO | S_IWUSR, show_temp_max,
|
|
store_temp_max, 8),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_max_hyst[] = {
|
|
SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 0),
|
|
SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 1),
|
|
SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 2),
|
|
SENSOR_ATTR(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 3),
|
|
SENSOR_ATTR(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 4),
|
|
SENSOR_ATTR(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 5),
|
|
SENSOR_ATTR(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 6),
|
|
SENSOR_ATTR(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 7),
|
|
SENSOR_ATTR(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
|
|
store_temp_max_hyst, 8),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_alarm[] = {
|
|
SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
|
|
SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
|
|
SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_type[] = {
|
|
SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
|
|
SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
|
|
SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_temp_offset[] = {
|
|
SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
|
|
store_temp_offset, 0),
|
|
SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
|
|
store_temp_offset, 1),
|
|
SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
|
|
store_temp_offset, 2),
|
|
};
|
|
|
|
#define show_pwm_reg(reg) \
|
|
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%d\n", data->reg[nr]); \
|
|
}
|
|
|
|
show_pwm_reg(pwm_mode)
|
|
show_pwm_reg(pwm_enable)
|
|
show_pwm_reg(pwm)
|
|
|
|
static ssize_t
|
|
store_pwm_mode(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
int nr = sensor_attr->index;
|
|
unsigned long val;
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (val > 1)
|
|
return -EINVAL;
|
|
|
|
/* On NCT67766F, DC mode is only supported for pwm1 */
|
|
if (sio_data->kind == nct6776 && nr && val != 1)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
|
|
data->pwm_mode[nr] = val;
|
|
reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]);
|
|
if (!val)
|
|
reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr];
|
|
w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
store_pwm(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
val = SENSORS_LIMIT(val, 0, 255);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->pwm[nr] = val;
|
|
w83627ehf_write_value(data, data->REG_PWM[nr], val);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
store_pwm_enable(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
unsigned long val;
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (!val || (val > 4 && val != data->pwm_enable_orig[nr]))
|
|
return -EINVAL;
|
|
/* SmartFan III mode is not supported on NCT6776F */
|
|
if (sio_data->kind == nct6776 && val == 4)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->pwm_enable[nr] = val;
|
|
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
|
|
reg = w83627ehf_read_value(data,
|
|
NCT6775_REG_FAN_MODE[nr]);
|
|
reg &= 0x0f;
|
|
reg |= (val - 1) << 4;
|
|
w83627ehf_write_value(data,
|
|
NCT6775_REG_FAN_MODE[nr], reg);
|
|
} else {
|
|
reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
|
|
reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
|
|
reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
|
|
w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
|
|
#define show_tol_temp(reg) \
|
|
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%d\n", data->reg[nr] * 1000); \
|
|
}
|
|
|
|
show_tol_temp(tolerance)
|
|
show_tol_temp(target_temp)
|
|
|
|
static ssize_t
|
|
store_target_temp(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->target_temp[nr] = val;
|
|
w83627ehf_write_value(data, data->REG_TARGET[nr], val);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
store_tolerance(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
u16 reg;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* Limit the temp to 0C - 15C */
|
|
val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
|
|
/* Limit tolerance further for NCT6776F */
|
|
if (sio_data->kind == nct6776 && val > 7)
|
|
val = 7;
|
|
reg = w83627ehf_read_value(data, NCT6775_REG_FAN_MODE[nr]);
|
|
reg = (reg & 0xf0) | val;
|
|
w83627ehf_write_value(data, NCT6775_REG_FAN_MODE[nr], reg);
|
|
} else {
|
|
reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
|
|
if (nr == 1)
|
|
reg = (reg & 0x0f) | (val << 4);
|
|
else
|
|
reg = (reg & 0xf0) | val;
|
|
w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
|
|
}
|
|
data->tolerance[nr] = val;
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static struct sensor_device_attribute sda_pwm[] = {
|
|
SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0),
|
|
SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
|
|
SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
|
|
SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_pwm_mode[] = {
|
|
SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
|
|
store_pwm_mode, 0),
|
|
SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
|
|
store_pwm_mode, 1),
|
|
SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
|
|
store_pwm_mode, 2),
|
|
SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
|
|
store_pwm_mode, 3),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_pwm_enable[] = {
|
|
SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
|
|
store_pwm_enable, 0),
|
|
SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
|
|
store_pwm_enable, 1),
|
|
SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
|
|
store_pwm_enable, 2),
|
|
SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
|
|
store_pwm_enable, 3),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_target_temp[] = {
|
|
SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp,
|
|
store_target_temp, 0),
|
|
SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp,
|
|
store_target_temp, 1),
|
|
SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp,
|
|
store_target_temp, 2),
|
|
SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp,
|
|
store_target_temp, 3),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_tolerance[] = {
|
|
SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
|
|
store_tolerance, 0),
|
|
SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
|
|
store_tolerance, 1),
|
|
SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
|
|
store_tolerance, 2),
|
|
SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
|
|
store_tolerance, 3),
|
|
};
|
|
|
|
/* Smart Fan registers */
|
|
|
|
#define fan_functions(reg, REG) \
|
|
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%d\n", data->reg[nr]); \
|
|
} \
|
|
static ssize_t \
|
|
store_##reg(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
unsigned long val; \
|
|
int err; \
|
|
err = kstrtoul(buf, 10, &val); \
|
|
if (err < 0) \
|
|
return err; \
|
|
val = SENSORS_LIMIT(val, 1, 255); \
|
|
mutex_lock(&data->update_lock); \
|
|
data->reg[nr] = val; \
|
|
w83627ehf_write_value(data, data->REG_##REG[nr], val); \
|
|
mutex_unlock(&data->update_lock); \
|
|
return count; \
|
|
}
|
|
|
|
fan_functions(fan_start_output, FAN_START_OUTPUT)
|
|
fan_functions(fan_stop_output, FAN_STOP_OUTPUT)
|
|
fan_functions(fan_max_output, FAN_MAX_OUTPUT)
|
|
fan_functions(fan_step_output, FAN_STEP_OUTPUT)
|
|
|
|
#define fan_time_functions(reg, REG) \
|
|
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
return sprintf(buf, "%d\n", \
|
|
step_time_from_reg(data->reg[nr], \
|
|
data->pwm_mode[nr])); \
|
|
} \
|
|
\
|
|
static ssize_t \
|
|
store_##reg(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev); \
|
|
struct sensor_device_attribute *sensor_attr = \
|
|
to_sensor_dev_attr(attr); \
|
|
int nr = sensor_attr->index; \
|
|
unsigned long val; \
|
|
int err; \
|
|
err = kstrtoul(buf, 10, &val); \
|
|
if (err < 0) \
|
|
return err; \
|
|
val = step_time_to_reg(val, data->pwm_mode[nr]); \
|
|
mutex_lock(&data->update_lock); \
|
|
data->reg[nr] = val; \
|
|
w83627ehf_write_value(data, data->REG_##REG[nr], val); \
|
|
mutex_unlock(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
|
|
fan_time_functions(fan_stop_time, FAN_STOP_TIME)
|
|
|
|
static ssize_t show_name(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
|
|
return sprintf(buf, "%s\n", data->name);
|
|
}
|
|
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
|
|
|
|
static struct sensor_device_attribute sda_sf3_arrays_fan4[] = {
|
|
SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
|
|
store_fan_stop_time, 3),
|
|
SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
|
|
store_fan_start_output, 3),
|
|
SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
|
|
store_fan_stop_output, 3),
|
|
SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
|
|
store_fan_max_output, 3),
|
|
SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
|
|
store_fan_step_output, 3),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
|
|
SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
|
|
store_fan_stop_time, 2),
|
|
SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
|
|
store_fan_start_output, 2),
|
|
SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
|
|
store_fan_stop_output, 2),
|
|
};
|
|
|
|
static struct sensor_device_attribute sda_sf3_arrays[] = {
|
|
SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
|
|
store_fan_stop_time, 0),
|
|
SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
|
|
store_fan_stop_time, 1),
|
|
SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
|
|
store_fan_start_output, 0),
|
|
SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
|
|
store_fan_start_output, 1),
|
|
SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
|
|
store_fan_stop_output, 0),
|
|
SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
|
|
store_fan_stop_output, 1),
|
|
};
|
|
|
|
|
|
/*
|
|
* pwm1 and pwm3 don't support max and step settings on all chips.
|
|
* Need to check support while generating/removing attribute files.
|
|
*/
|
|
static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
|
|
SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
|
|
store_fan_max_output, 0),
|
|
SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
|
|
store_fan_step_output, 0),
|
|
SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
|
|
store_fan_max_output, 1),
|
|
SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
|
|
store_fan_step_output, 1),
|
|
SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
|
|
store_fan_max_output, 2),
|
|
SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
|
|
store_fan_step_output, 2),
|
|
};
|
|
|
|
static ssize_t
|
|
show_vid(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
|
|
}
|
|
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
|
|
|
|
|
|
/* Case open detection */
|
|
|
|
static ssize_t
|
|
show_caseopen(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct w83627ehf_data *data = w83627ehf_update_device(dev);
|
|
|
|
return sprintf(buf, "%d\n",
|
|
!!(data->caseopen & to_sensor_dev_attr_2(attr)->index));
|
|
}
|
|
|
|
static ssize_t
|
|
clear_caseopen(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
unsigned long val;
|
|
u16 reg, mask;
|
|
|
|
if (kstrtoul(buf, 10, &val) || val != 0)
|
|
return -EINVAL;
|
|
|
|
mask = to_sensor_dev_attr_2(attr)->nr;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
|
|
w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
|
|
w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
|
|
data->valid = 0; /* Force cache refresh */
|
|
mutex_unlock(&data->update_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct sensor_device_attribute_2 sda_caseopen[] = {
|
|
SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen,
|
|
clear_caseopen, 0x80, 0x10),
|
|
SENSOR_ATTR_2(intrusion1_alarm, S_IWUSR | S_IRUGO, show_caseopen,
|
|
clear_caseopen, 0x40, 0x40),
|
|
};
|
|
|
|
/*
|
|
* Driver and device management
|
|
*/
|
|
|
|
static void w83627ehf_device_remove_files(struct device *dev)
|
|
{
|
|
/*
|
|
* some entries in the following arrays may not have been used in
|
|
* device_create_file(), but device_remove_file() will ignore them
|
|
*/
|
|
int i;
|
|
struct w83627ehf_data *data = dev_get_drvdata(dev);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
|
|
device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
|
|
struct sensor_device_attribute *attr =
|
|
&sda_sf3_max_step_arrays[i];
|
|
if (data->REG_FAN_STEP_OUTPUT &&
|
|
data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
|
|
device_remove_file(dev, &attr->dev_attr);
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
|
|
device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
|
|
device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
|
|
for (i = 0; i < data->in_num; i++) {
|
|
if ((i == 6) && data->in6_skip)
|
|
continue;
|
|
device_remove_file(dev, &sda_in_input[i].dev_attr);
|
|
device_remove_file(dev, &sda_in_alarm[i].dev_attr);
|
|
device_remove_file(dev, &sda_in_min[i].dev_attr);
|
|
device_remove_file(dev, &sda_in_max[i].dev_attr);
|
|
}
|
|
for (i = 0; i < 5; i++) {
|
|
device_remove_file(dev, &sda_fan_input[i].dev_attr);
|
|
device_remove_file(dev, &sda_fan_alarm[i].dev_attr);
|
|
device_remove_file(dev, &sda_fan_div[i].dev_attr);
|
|
device_remove_file(dev, &sda_fan_min[i].dev_attr);
|
|
}
|
|
for (i = 0; i < data->pwm_num; i++) {
|
|
device_remove_file(dev, &sda_pwm[i].dev_attr);
|
|
device_remove_file(dev, &sda_pwm_mode[i].dev_attr);
|
|
device_remove_file(dev, &sda_pwm_enable[i].dev_attr);
|
|
device_remove_file(dev, &sda_target_temp[i].dev_attr);
|
|
device_remove_file(dev, &sda_tolerance[i].dev_attr);
|
|
}
|
|
for (i = 0; i < NUM_REG_TEMP; i++) {
|
|
if (!(data->have_temp & (1 << i)))
|
|
continue;
|
|
device_remove_file(dev, &sda_temp_input[i].dev_attr);
|
|
device_remove_file(dev, &sda_temp_label[i].dev_attr);
|
|
if (i == 2 && data->temp3_val_only)
|
|
continue;
|
|
device_remove_file(dev, &sda_temp_max[i].dev_attr);
|
|
device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
|
|
if (i > 2)
|
|
continue;
|
|
device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
|
|
device_remove_file(dev, &sda_temp_type[i].dev_attr);
|
|
device_remove_file(dev, &sda_temp_offset[i].dev_attr);
|
|
}
|
|
|
|
device_remove_file(dev, &sda_caseopen[0].dev_attr);
|
|
device_remove_file(dev, &sda_caseopen[1].dev_attr);
|
|
|
|
device_remove_file(dev, &dev_attr_name);
|
|
device_remove_file(dev, &dev_attr_cpu0_vid);
|
|
}
|
|
|
|
/* Get the monitoring functions started */
|
|
static inline void w83627ehf_init_device(struct w83627ehf_data *data,
|
|
enum kinds kind)
|
|
{
|
|
int i;
|
|
u8 tmp, diode;
|
|
|
|
/* Start monitoring is needed */
|
|
tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG);
|
|
if (!(tmp & 0x01))
|
|
w83627ehf_write_value(data, W83627EHF_REG_CONFIG,
|
|
tmp | 0x01);
|
|
|
|
/* Enable temperature sensors if needed */
|
|
for (i = 0; i < NUM_REG_TEMP; i++) {
|
|
if (!(data->have_temp & (1 << i)))
|
|
continue;
|
|
if (!data->reg_temp_config[i])
|
|
continue;
|
|
tmp = w83627ehf_read_value(data,
|
|
data->reg_temp_config[i]);
|
|
if (tmp & 0x01)
|
|
w83627ehf_write_value(data,
|
|
data->reg_temp_config[i],
|
|
tmp & 0xfe);
|
|
}
|
|
|
|
/* Enable VBAT monitoring if needed */
|
|
tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
|
|
if (!(tmp & 0x01))
|
|
w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
|
|
|
|
/* Get thermal sensor types */
|
|
switch (kind) {
|
|
case w83627ehf:
|
|
diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
|
|
break;
|
|
case w83627uhg:
|
|
diode = 0x00;
|
|
break;
|
|
default:
|
|
diode = 0x70;
|
|
}
|
|
for (i = 0; i < 3; i++) {
|
|
const char *label = NULL;
|
|
|
|
if (data->temp_label)
|
|
label = data->temp_label[data->temp_src[i]];
|
|
|
|
/* Digital source overrides analog type */
|
|
if (label && strncmp(label, "PECI", 4) == 0)
|
|
data->temp_type[i] = 6;
|
|
else if (label && strncmp(label, "AMD", 3) == 0)
|
|
data->temp_type[i] = 5;
|
|
else if ((tmp & (0x02 << i)))
|
|
data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
|
|
else
|
|
data->temp_type[i] = 4; /* thermistor */
|
|
}
|
|
}
|
|
|
|
static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
|
|
int r1, int r2)
|
|
{
|
|
u16 tmp;
|
|
|
|
tmp = data->temp_src[r1];
|
|
data->temp_src[r1] = data->temp_src[r2];
|
|
data->temp_src[r2] = tmp;
|
|
|
|
tmp = data->reg_temp[r1];
|
|
data->reg_temp[r1] = data->reg_temp[r2];
|
|
data->reg_temp[r2] = tmp;
|
|
|
|
tmp = data->reg_temp_over[r1];
|
|
data->reg_temp_over[r1] = data->reg_temp_over[r2];
|
|
data->reg_temp_over[r2] = tmp;
|
|
|
|
tmp = data->reg_temp_hyst[r1];
|
|
data->reg_temp_hyst[r1] = data->reg_temp_hyst[r2];
|
|
data->reg_temp_hyst[r2] = tmp;
|
|
|
|
tmp = data->reg_temp_config[r1];
|
|
data->reg_temp_config[r1] = data->reg_temp_config[r2];
|
|
data->reg_temp_config[r2] = tmp;
|
|
}
|
|
|
|
static void
|
|
w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < n_temp; i++) {
|
|
data->reg_temp[i] = W83627EHF_REG_TEMP[i];
|
|
data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
|
|
data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
|
|
data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
|
|
}
|
|
}
|
|
|
|
static void
|
|
w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
|
|
struct w83627ehf_data *data)
|
|
{
|
|
int fan3pin, fan4pin, fan4min, fan5pin, regval;
|
|
|
|
/* The W83627UHG is simple, only two fan inputs, no config */
|
|
if (sio_data->kind == w83627uhg) {
|
|
data->has_fan = 0x03; /* fan1 and fan2 */
|
|
data->has_fan_min = 0x03;
|
|
return;
|
|
}
|
|
|
|
superio_enter(sio_data->sioreg);
|
|
|
|
/* fan4 and fan5 share some pins with the GPIO and serial flash */
|
|
if (sio_data->kind == nct6775) {
|
|
/* On NCT6775, fan4 shares pins with the fdc interface */
|
|
fan3pin = 1;
|
|
fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
|
|
fan4min = 0;
|
|
fan5pin = 0;
|
|
} else if (sio_data->kind == nct6776) {
|
|
bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
|
|
|
|
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
|
|
regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
|
|
|
|
if (regval & 0x80)
|
|
fan3pin = gpok;
|
|
else
|
|
fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
|
|
|
|
if (regval & 0x40)
|
|
fan4pin = gpok;
|
|
else
|
|
fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
|
|
|
|
if (regval & 0x20)
|
|
fan5pin = gpok;
|
|
else
|
|
fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
|
|
|
|
fan4min = fan4pin;
|
|
} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
|
|
fan3pin = 1;
|
|
fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
|
|
fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
|
|
fan4min = fan4pin;
|
|
} else {
|
|
fan3pin = 1;
|
|
fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
|
|
fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
|
|
fan4min = fan4pin;
|
|
}
|
|
|
|
superio_exit(sio_data->sioreg);
|
|
|
|
data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
|
|
data->has_fan |= (fan3pin << 2);
|
|
data->has_fan_min |= (fan3pin << 2);
|
|
|
|
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
|
|
/*
|
|
* NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1
|
|
* register
|
|
*/
|
|
data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
|
|
data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
|
|
} else {
|
|
/*
|
|
* It looks like fan4 and fan5 pins can be alternatively used
|
|
* as fan on/off switches, but fan5 control is write only :/
|
|
* We assume that if the serial interface is disabled, designers
|
|
* connected fan5 as input unless they are emitting log 1, which
|
|
* is not the default.
|
|
*/
|
|
regval = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
|
|
if ((regval & (1 << 2)) && fan4pin) {
|
|
data->has_fan |= (1 << 3);
|
|
data->has_fan_min |= (1 << 3);
|
|
}
|
|
if (!(regval & (1 << 1)) && fan5pin) {
|
|
data->has_fan |= (1 << 4);
|
|
data->has_fan_min |= (1 << 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int w83627ehf_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct w83627ehf_sio_data *sio_data = dev->platform_data;
|
|
struct w83627ehf_data *data;
|
|
struct resource *res;
|
|
u8 en_vrm10;
|
|
int i, err = 0;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
|
|
if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) {
|
|
err = -EBUSY;
|
|
dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
|
|
(unsigned long)res->start,
|
|
(unsigned long)res->start + IOREGION_LENGTH - 1);
|
|
goto exit;
|
|
}
|
|
|
|
data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
|
|
GFP_KERNEL);
|
|
if (!data) {
|
|
err = -ENOMEM;
|
|
goto exit_release;
|
|
}
|
|
|
|
data->addr = res->start;
|
|
mutex_init(&data->lock);
|
|
mutex_init(&data->update_lock);
|
|
data->name = w83627ehf_device_names[sio_data->kind];
|
|
data->bank = 0xff; /* Force initial bank selection */
|
|
platform_set_drvdata(pdev, data);
|
|
|
|
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
|
|
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
|
|
/* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
|
|
switch (sio_data->kind) {
|
|
default:
|
|
data->pwm_num = 4;
|
|
break;
|
|
case w83667hg:
|
|
case w83667hg_b:
|
|
case nct6775:
|
|
case nct6776:
|
|
data->pwm_num = 3;
|
|
break;
|
|
case w83627uhg:
|
|
data->pwm_num = 2;
|
|
break;
|
|
}
|
|
|
|
/* Default to 3 temperature inputs, code below will adjust as needed */
|
|
data->have_temp = 0x07;
|
|
|
|
/* Deal with temperature register setup first. */
|
|
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
|
|
int mask = 0;
|
|
|
|
/*
|
|
* Display temperature sensor output only if it monitors
|
|
* a source other than one already reported. Always display
|
|
* first three temperature registers, though.
|
|
*/
|
|
for (i = 0; i < NUM_REG_TEMP; i++) {
|
|
u8 src;
|
|
|
|
data->reg_temp[i] = NCT6775_REG_TEMP[i];
|
|
data->reg_temp_over[i] = NCT6775_REG_TEMP_OVER[i];
|
|
data->reg_temp_hyst[i] = NCT6775_REG_TEMP_HYST[i];
|
|
data->reg_temp_config[i] = NCT6775_REG_TEMP_CONFIG[i];
|
|
|
|
src = w83627ehf_read_value(data,
|
|
NCT6775_REG_TEMP_SOURCE[i]);
|
|
src &= 0x1f;
|
|
if (src && !(mask & (1 << src))) {
|
|
data->have_temp |= 1 << i;
|
|
mask |= 1 << src;
|
|
}
|
|
|
|
data->temp_src[i] = src;
|
|
|
|
/*
|
|
* Now do some register swapping if index 0..2 don't
|
|
* point to SYSTIN(1), CPUIN(2), and AUXIN(3).
|
|
* Idea is to have the first three attributes
|
|
* report SYSTIN, CPUIN, and AUXIN if possible
|
|
* without overriding the basic system configuration.
|
|
*/
|
|
if (i > 0 && data->temp_src[0] != 1
|
|
&& data->temp_src[i] == 1)
|
|
w82627ehf_swap_tempreg(data, 0, i);
|
|
if (i > 1 && data->temp_src[1] != 2
|
|
&& data->temp_src[i] == 2)
|
|
w82627ehf_swap_tempreg(data, 1, i);
|
|
if (i > 2 && data->temp_src[2] != 3
|
|
&& data->temp_src[i] == 3)
|
|
w82627ehf_swap_tempreg(data, 2, i);
|
|
}
|
|
if (sio_data->kind == nct6776) {
|
|
/*
|
|
* On NCT6776, AUXTIN and VIN3 pins are shared.
|
|
* Only way to detect it is to check if AUXTIN is used
|
|
* as a temperature source, and if that source is
|
|
* enabled.
|
|
*
|
|
* If that is the case, disable in6, which reports VIN3.
|
|
* Otherwise disable temp3.
|
|
*/
|
|
if (data->temp_src[2] == 3) {
|
|
u8 reg;
|
|
|
|
if (data->reg_temp_config[2])
|
|
reg = w83627ehf_read_value(data,
|
|
data->reg_temp_config[2]);
|
|
else
|
|
reg = 0; /* Assume AUXTIN is used */
|
|
|
|
if (reg & 0x01)
|
|
data->have_temp &= ~(1 << 2);
|
|
else
|
|
data->in6_skip = 1;
|
|
}
|
|
data->temp_label = nct6776_temp_label;
|
|
} else {
|
|
data->temp_label = nct6775_temp_label;
|
|
}
|
|
data->have_temp_offset = data->have_temp & 0x07;
|
|
for (i = 0; i < 3; i++) {
|
|
if (data->temp_src[i] > 3)
|
|
data->have_temp_offset &= ~(1 << i);
|
|
}
|
|
} else if (sio_data->kind == w83667hg_b) {
|
|
u8 reg;
|
|
|
|
w83627ehf_set_temp_reg_ehf(data, 4);
|
|
|
|
/*
|
|
* Temperature sources are selected with bank 0, registers 0x49
|
|
* and 0x4a.
|
|
*/
|
|
reg = w83627ehf_read_value(data, 0x4a);
|
|
data->temp_src[0] = reg >> 5;
|
|
reg = w83627ehf_read_value(data, 0x49);
|
|
data->temp_src[1] = reg & 0x07;
|
|
data->temp_src[2] = (reg >> 4) & 0x07;
|
|
|
|
/*
|
|
* W83667HG-B has another temperature register at 0x7e.
|
|
* The temperature source is selected with register 0x7d.
|
|
* Support it if the source differs from already reported
|
|
* sources.
|
|
*/
|
|
reg = w83627ehf_read_value(data, 0x7d);
|
|
reg &= 0x07;
|
|
if (reg != data->temp_src[0] && reg != data->temp_src[1]
|
|
&& reg != data->temp_src[2]) {
|
|
data->temp_src[3] = reg;
|
|
data->have_temp |= 1 << 3;
|
|
}
|
|
|
|
/*
|
|
* Chip supports either AUXTIN or VIN3. Try to find out which
|
|
* one.
|
|
*/
|
|
reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
|
|
if (data->temp_src[2] == 2 && (reg & 0x01))
|
|
data->have_temp &= ~(1 << 2);
|
|
|
|
if ((data->temp_src[2] == 2 && (data->have_temp & (1 << 2)))
|
|
|| (data->temp_src[3] == 2 && (data->have_temp & (1 << 3))))
|
|
data->in6_skip = 1;
|
|
|
|
data->temp_label = w83667hg_b_temp_label;
|
|
data->have_temp_offset = data->have_temp & 0x07;
|
|
for (i = 0; i < 3; i++) {
|
|
if (data->temp_src[i] > 2)
|
|
data->have_temp_offset &= ~(1 << i);
|
|
}
|
|
} else if (sio_data->kind == w83627uhg) {
|
|
u8 reg;
|
|
|
|
w83627ehf_set_temp_reg_ehf(data, 3);
|
|
|
|
/*
|
|
* Temperature sources for temp2 and temp3 are selected with
|
|
* bank 0, registers 0x49 and 0x4a.
|
|
*/
|
|
data->temp_src[0] = 0; /* SYSTIN */
|
|
reg = w83627ehf_read_value(data, 0x49) & 0x07;
|
|
/* Adjust to have the same mapping as other source registers */
|
|
if (reg == 0)
|
|
data->temp_src[1] = 1;
|
|
else if (reg >= 2 && reg <= 5)
|
|
data->temp_src[1] = reg + 2;
|
|
else /* should never happen */
|
|
data->have_temp &= ~(1 << 1);
|
|
reg = w83627ehf_read_value(data, 0x4a);
|
|
data->temp_src[2] = reg >> 5;
|
|
|
|
/*
|
|
* Skip temp3 if source is invalid or the same as temp1
|
|
* or temp2.
|
|
*/
|
|
if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
|
|
data->temp_src[2] == data->temp_src[0] ||
|
|
((data->have_temp & (1 << 1)) &&
|
|
data->temp_src[2] == data->temp_src[1]))
|
|
data->have_temp &= ~(1 << 2);
|
|
else
|
|
data->temp3_val_only = 1; /* No limit regs */
|
|
|
|
data->in6_skip = 1; /* No VIN3 */
|
|
|
|
data->temp_label = w83667hg_b_temp_label;
|
|
data->have_temp_offset = data->have_temp & 0x03;
|
|
for (i = 0; i < 3; i++) {
|
|
if (data->temp_src[i] > 1)
|
|
data->have_temp_offset &= ~(1 << i);
|
|
}
|
|
} else {
|
|
w83627ehf_set_temp_reg_ehf(data, 3);
|
|
|
|
/* Temperature sources are fixed */
|
|
|
|
if (sio_data->kind == w83667hg) {
|
|
u8 reg;
|
|
|
|
/*
|
|
* Chip supports either AUXTIN or VIN3. Try to find
|
|
* out which one.
|
|
*/
|
|
reg = w83627ehf_read_value(data,
|
|
W83627EHF_REG_TEMP_CONFIG[2]);
|
|
if (reg & 0x01)
|
|
data->have_temp &= ~(1 << 2);
|
|
else
|
|
data->in6_skip = 1;
|
|
}
|
|
data->have_temp_offset = data->have_temp & 0x07;
|
|
}
|
|
|
|
if (sio_data->kind == nct6775) {
|
|
data->has_fan_div = true;
|
|
data->fan_from_reg = fan_from_reg16;
|
|
data->fan_from_reg_min = fan_from_reg8;
|
|
data->REG_PWM = NCT6775_REG_PWM;
|
|
data->REG_TARGET = NCT6775_REG_TARGET;
|
|
data->REG_FAN = NCT6775_REG_FAN;
|
|
data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
|
|
data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
|
|
data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
|
|
data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
|
|
data->REG_FAN_MAX_OUTPUT = NCT6775_REG_FAN_MAX_OUTPUT;
|
|
data->REG_FAN_STEP_OUTPUT = NCT6775_REG_FAN_STEP_OUTPUT;
|
|
} else if (sio_data->kind == nct6776) {
|
|
data->has_fan_div = false;
|
|
data->fan_from_reg = fan_from_reg13;
|
|
data->fan_from_reg_min = fan_from_reg13;
|
|
data->REG_PWM = NCT6775_REG_PWM;
|
|
data->REG_TARGET = NCT6775_REG_TARGET;
|
|
data->REG_FAN = NCT6775_REG_FAN;
|
|
data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
|
|
data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
|
|
data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
|
|
data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
|
|
} else if (sio_data->kind == w83667hg_b) {
|
|
data->has_fan_div = true;
|
|
data->fan_from_reg = fan_from_reg8;
|
|
data->fan_from_reg_min = fan_from_reg8;
|
|
data->REG_PWM = W83627EHF_REG_PWM;
|
|
data->REG_TARGET = W83627EHF_REG_TARGET;
|
|
data->REG_FAN = W83627EHF_REG_FAN;
|
|
data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
|
|
data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
|
|
data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
|
|
data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
|
|
data->REG_FAN_MAX_OUTPUT =
|
|
W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
|
|
data->REG_FAN_STEP_OUTPUT =
|
|
W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
|
|
} else {
|
|
data->has_fan_div = true;
|
|
data->fan_from_reg = fan_from_reg8;
|
|
data->fan_from_reg_min = fan_from_reg8;
|
|
data->REG_PWM = W83627EHF_REG_PWM;
|
|
data->REG_TARGET = W83627EHF_REG_TARGET;
|
|
data->REG_FAN = W83627EHF_REG_FAN;
|
|
data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
|
|
data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
|
|
data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
|
|
data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
|
|
data->REG_FAN_MAX_OUTPUT =
|
|
W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
|
|
data->REG_FAN_STEP_OUTPUT =
|
|
W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
|
|
}
|
|
|
|
/* Setup input voltage scaling factors */
|
|
if (sio_data->kind == w83627uhg)
|
|
data->scale_in = scale_in_w83627uhg;
|
|
else
|
|
data->scale_in = scale_in_common;
|
|
|
|
/* Initialize the chip */
|
|
w83627ehf_init_device(data, sio_data->kind);
|
|
|
|
data->vrm = vid_which_vrm();
|
|
superio_enter(sio_data->sioreg);
|
|
/* Read VID value */
|
|
if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
|
|
sio_data->kind == nct6775 || sio_data->kind == nct6776) {
|
|
/*
|
|
* W83667HG has different pins for VID input and output, so
|
|
* we can get the VID input values directly at logical device D
|
|
* 0xe3.
|
|
*/
|
|
superio_select(sio_data->sioreg, W83667HG_LD_VID);
|
|
data->vid = superio_inb(sio_data->sioreg, 0xe3);
|
|
err = device_create_file(dev, &dev_attr_cpu0_vid);
|
|
if (err)
|
|
goto exit_release;
|
|
} else if (sio_data->kind != w83627uhg) {
|
|
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
|
|
if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
|
|
/*
|
|
* Set VID input sensibility if needed. In theory the
|
|
* BIOS should have set it, but in practice it's not
|
|
* always the case. We only do it for the W83627EHF/EHG
|
|
* because the W83627DHG is more complex in this
|
|
* respect.
|
|
*/
|
|
if (sio_data->kind == w83627ehf) {
|
|
en_vrm10 = superio_inb(sio_data->sioreg,
|
|
SIO_REG_EN_VRM10);
|
|
if ((en_vrm10 & 0x08) && data->vrm == 90) {
|
|
dev_warn(dev, "Setting VID input "
|
|
"voltage to TTL\n");
|
|
superio_outb(sio_data->sioreg,
|
|
SIO_REG_EN_VRM10,
|
|
en_vrm10 & ~0x08);
|
|
} else if (!(en_vrm10 & 0x08)
|
|
&& data->vrm == 100) {
|
|
dev_warn(dev, "Setting VID input "
|
|
"voltage to VRM10\n");
|
|
superio_outb(sio_data->sioreg,
|
|
SIO_REG_EN_VRM10,
|
|
en_vrm10 | 0x08);
|
|
}
|
|
}
|
|
|
|
data->vid = superio_inb(sio_data->sioreg,
|
|
SIO_REG_VID_DATA);
|
|
if (sio_data->kind == w83627ehf) /* 6 VID pins only */
|
|
data->vid &= 0x3f;
|
|
|
|
err = device_create_file(dev, &dev_attr_cpu0_vid);
|
|
if (err)
|
|
goto exit_release;
|
|
} else {
|
|
dev_info(dev, "VID pins in output mode, CPU VID not "
|
|
"available\n");
|
|
}
|
|
}
|
|
|
|
if (fan_debounce &&
|
|
(sio_data->kind == nct6775 || sio_data->kind == nct6776)) {
|
|
u8 tmp;
|
|
|
|
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
|
|
tmp = superio_inb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE);
|
|
if (sio_data->kind == nct6776)
|
|
superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
|
|
0x3e | tmp);
|
|
else
|
|
superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
|
|
0x1e | tmp);
|
|
pr_info("Enabled fan debounce for chip %s\n", data->name);
|
|
}
|
|
|
|
superio_exit(sio_data->sioreg);
|
|
|
|
w83627ehf_check_fan_inputs(sio_data, data);
|
|
|
|
/* Read fan clock dividers immediately */
|
|
w83627ehf_update_fan_div_common(dev, data);
|
|
|
|
/* Read pwm data to save original values */
|
|
w83627ehf_update_pwm_common(dev, data);
|
|
for (i = 0; i < data->pwm_num; i++)
|
|
data->pwm_enable_orig[i] = data->pwm_enable[i];
|
|
|
|
/* Register sysfs hooks */
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
|
|
err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
|
|
struct sensor_device_attribute *attr =
|
|
&sda_sf3_max_step_arrays[i];
|
|
if (data->REG_FAN_STEP_OUTPUT &&
|
|
data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
|
|
err = device_create_file(dev, &attr->dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
}
|
|
/* if fan3 and fan4 are enabled create the sf3 files for them */
|
|
if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
|
|
err = device_create_file(dev,
|
|
&sda_sf3_arrays_fan3[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
|
|
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
|
|
err = device_create_file(dev,
|
|
&sda_sf3_arrays_fan4[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
|
|
for (i = 0; i < data->in_num; i++) {
|
|
if ((i == 6) && data->in6_skip)
|
|
continue;
|
|
if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_in_alarm[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_in_min[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_in_max[i].dev_attr)))
|
|
goto exit_remove;
|
|
}
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
if (data->has_fan & (1 << i)) {
|
|
if ((err = device_create_file(dev,
|
|
&sda_fan_input[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_fan_alarm[i].dev_attr)))
|
|
goto exit_remove;
|
|
if (sio_data->kind != nct6776) {
|
|
err = device_create_file(dev,
|
|
&sda_fan_div[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if (data->has_fan_min & (1 << i)) {
|
|
err = device_create_file(dev,
|
|
&sda_fan_min[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if (i < data->pwm_num &&
|
|
((err = device_create_file(dev,
|
|
&sda_pwm[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_pwm_mode[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_pwm_enable[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_target_temp[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_tolerance[i].dev_attr))))
|
|
goto exit_remove;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < NUM_REG_TEMP; i++) {
|
|
if (!(data->have_temp & (1 << i)))
|
|
continue;
|
|
err = device_create_file(dev, &sda_temp_input[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
if (data->temp_label) {
|
|
err = device_create_file(dev,
|
|
&sda_temp_label[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if (i == 2 && data->temp3_val_only)
|
|
continue;
|
|
if (data->reg_temp_over[i]) {
|
|
err = device_create_file(dev,
|
|
&sda_temp_max[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if (data->reg_temp_hyst[i]) {
|
|
err = device_create_file(dev,
|
|
&sda_temp_max_hyst[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
if (i > 2)
|
|
continue;
|
|
if ((err = device_create_file(dev,
|
|
&sda_temp_alarm[i].dev_attr))
|
|
|| (err = device_create_file(dev,
|
|
&sda_temp_type[i].dev_attr)))
|
|
goto exit_remove;
|
|
if (data->have_temp_offset & (1 << i)) {
|
|
err = device_create_file(dev,
|
|
&sda_temp_offset[i].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
}
|
|
|
|
err = device_create_file(dev, &sda_caseopen[0].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
|
|
if (sio_data->kind == nct6776) {
|
|
err = device_create_file(dev, &sda_caseopen[1].dev_attr);
|
|
if (err)
|
|
goto exit_remove;
|
|
}
|
|
|
|
err = device_create_file(dev, &dev_attr_name);
|
|
if (err)
|
|
goto exit_remove;
|
|
|
|
data->hwmon_dev = hwmon_device_register(dev);
|
|
if (IS_ERR(data->hwmon_dev)) {
|
|
err = PTR_ERR(data->hwmon_dev);
|
|
goto exit_remove;
|
|
}
|
|
|
|
return 0;
|
|
|
|
exit_remove:
|
|
w83627ehf_device_remove_files(dev);
|
|
exit_release:
|
|
platform_set_drvdata(pdev, NULL);
|
|
release_region(res->start, IOREGION_LENGTH);
|
|
exit:
|
|
return err;
|
|
}
|
|
|
|
static int w83627ehf_remove(struct platform_device *pdev)
|
|
{
|
|
struct w83627ehf_data *data = platform_get_drvdata(pdev);
|
|
|
|
hwmon_device_unregister(data->hwmon_dev);
|
|
w83627ehf_device_remove_files(&pdev->dev);
|
|
release_region(data->addr, IOREGION_LENGTH);
|
|
platform_set_drvdata(pdev, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver w83627ehf_driver = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = DRVNAME,
|
|
},
|
|
.probe = w83627ehf_probe,
|
|
.remove = w83627ehf_remove,
|
|
};
|
|
|
|
/* w83627ehf_find() looks for a '627 in the Super-I/O config space */
|
|
static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
|
|
struct w83627ehf_sio_data *sio_data)
|
|
{
|
|
static const char sio_name_W83627EHF[] __initconst = "W83627EHF";
|
|
static const char sio_name_W83627EHG[] __initconst = "W83627EHG";
|
|
static const char sio_name_W83627DHG[] __initconst = "W83627DHG";
|
|
static const char sio_name_W83627DHG_P[] __initconst = "W83627DHG-P";
|
|
static const char sio_name_W83627UHG[] __initconst = "W83627UHG";
|
|
static const char sio_name_W83667HG[] __initconst = "W83667HG";
|
|
static const char sio_name_W83667HG_B[] __initconst = "W83667HG-B";
|
|
static const char sio_name_NCT6775[] __initconst = "NCT6775F";
|
|
static const char sio_name_NCT6776[] __initconst = "NCT6776F";
|
|
|
|
u16 val;
|
|
const char *sio_name;
|
|
|
|
superio_enter(sioaddr);
|
|
|
|
if (force_id)
|
|
val = force_id;
|
|
else
|
|
val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
|
|
| superio_inb(sioaddr, SIO_REG_DEVID + 1);
|
|
switch (val & SIO_ID_MASK) {
|
|
case SIO_W83627EHF_ID:
|
|
sio_data->kind = w83627ehf;
|
|
sio_name = sio_name_W83627EHF;
|
|
break;
|
|
case SIO_W83627EHG_ID:
|
|
sio_data->kind = w83627ehf;
|
|
sio_name = sio_name_W83627EHG;
|
|
break;
|
|
case SIO_W83627DHG_ID:
|
|
sio_data->kind = w83627dhg;
|
|
sio_name = sio_name_W83627DHG;
|
|
break;
|
|
case SIO_W83627DHG_P_ID:
|
|
sio_data->kind = w83627dhg_p;
|
|
sio_name = sio_name_W83627DHG_P;
|
|
break;
|
|
case SIO_W83627UHG_ID:
|
|
sio_data->kind = w83627uhg;
|
|
sio_name = sio_name_W83627UHG;
|
|
break;
|
|
case SIO_W83667HG_ID:
|
|
sio_data->kind = w83667hg;
|
|
sio_name = sio_name_W83667HG;
|
|
break;
|
|
case SIO_W83667HG_B_ID:
|
|
sio_data->kind = w83667hg_b;
|
|
sio_name = sio_name_W83667HG_B;
|
|
break;
|
|
case SIO_NCT6775_ID:
|
|
sio_data->kind = nct6775;
|
|
sio_name = sio_name_NCT6775;
|
|
break;
|
|
case SIO_NCT6776_ID:
|
|
sio_data->kind = nct6776;
|
|
sio_name = sio_name_NCT6776;
|
|
break;
|
|
default:
|
|
if (val != 0xffff)
|
|
pr_debug("unsupported chip ID: 0x%04x\n", val);
|
|
superio_exit(sioaddr);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* We have a known chip, find the HWM I/O address */
|
|
superio_select(sioaddr, W83627EHF_LD_HWM);
|
|
val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8)
|
|
| superio_inb(sioaddr, SIO_REG_ADDR + 1);
|
|
*addr = val & IOREGION_ALIGNMENT;
|
|
if (*addr == 0) {
|
|
pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n");
|
|
superio_exit(sioaddr);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Activate logical device if needed */
|
|
val = superio_inb(sioaddr, SIO_REG_ENABLE);
|
|
if (!(val & 0x01)) {
|
|
pr_warn("Forcibly enabling Super-I/O. "
|
|
"Sensor is probably unusable.\n");
|
|
superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
|
|
}
|
|
|
|
superio_exit(sioaddr);
|
|
pr_info("Found %s chip at %#x\n", sio_name, *addr);
|
|
sio_data->sioreg = sioaddr;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* when Super-I/O functions move to a separate file, the Super-I/O
|
|
* bus will manage the lifetime of the device and this module will only keep
|
|
* track of the w83627ehf driver. But since we platform_device_alloc(), we
|
|
* must keep track of the device
|
|
*/
|
|
static struct platform_device *pdev;
|
|
|
|
static int __init sensors_w83627ehf_init(void)
|
|
{
|
|
int err;
|
|
unsigned short address;
|
|
struct resource res;
|
|
struct w83627ehf_sio_data sio_data;
|
|
|
|
/*
|
|
* initialize sio_data->kind and sio_data->sioreg.
|
|
*
|
|
* when Super-I/O functions move to a separate file, the Super-I/O
|
|
* driver will probe 0x2e and 0x4e and auto-detect the presence of a
|
|
* w83627ehf hardware monitor, and call probe()
|
|
*/
|
|
if (w83627ehf_find(0x2e, &address, &sio_data) &&
|
|
w83627ehf_find(0x4e, &address, &sio_data))
|
|
return -ENODEV;
|
|
|
|
err = platform_driver_register(&w83627ehf_driver);
|
|
if (err)
|
|
goto exit;
|
|
|
|
pdev = platform_device_alloc(DRVNAME, address);
|
|
if (!pdev) {
|
|
err = -ENOMEM;
|
|
pr_err("Device allocation failed\n");
|
|
goto exit_unregister;
|
|
}
|
|
|
|
err = platform_device_add_data(pdev, &sio_data,
|
|
sizeof(struct w83627ehf_sio_data));
|
|
if (err) {
|
|
pr_err("Platform data allocation failed\n");
|
|
goto exit_device_put;
|
|
}
|
|
|
|
memset(&res, 0, sizeof(res));
|
|
res.name = DRVNAME;
|
|
res.start = address + IOREGION_OFFSET;
|
|
res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1;
|
|
res.flags = IORESOURCE_IO;
|
|
|
|
err = acpi_check_resource_conflict(&res);
|
|
if (err)
|
|
goto exit_device_put;
|
|
|
|
err = platform_device_add_resources(pdev, &res, 1);
|
|
if (err) {
|
|
pr_err("Device resource addition failed (%d)\n", err);
|
|
goto exit_device_put;
|
|
}
|
|
|
|
/* platform_device_add calls probe() */
|
|
err = platform_device_add(pdev);
|
|
if (err) {
|
|
pr_err("Device addition failed (%d)\n", err);
|
|
goto exit_device_put;
|
|
}
|
|
|
|
return 0;
|
|
|
|
exit_device_put:
|
|
platform_device_put(pdev);
|
|
exit_unregister:
|
|
platform_driver_unregister(&w83627ehf_driver);
|
|
exit:
|
|
return err;
|
|
}
|
|
|
|
static void __exit sensors_w83627ehf_exit(void)
|
|
{
|
|
platform_device_unregister(pdev);
|
|
platform_driver_unregister(&w83627ehf_driver);
|
|
}
|
|
|
|
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
|
|
MODULE_DESCRIPTION("W83627EHF driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_init(sensors_w83627ehf_init);
|
|
module_exit(sensors_w83627ehf_exit);
|