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3be8102fe3
The following build warning is seen with -Wextra. lm93.c: In function ‘store_fan_smart_tach’: lm93.c:1833:2: warning: comparison of unsigned expression >= 0 is always true Drop the unnecessary comparison. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2809 lines
84 KiB
C
2809 lines
84 KiB
C
/*
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* lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
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*
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* Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
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* Copyright (c) 2004 Utilitek Systems, Inc.
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*
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* derived in part from lm78.c:
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* Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
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*
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* derived in part from lm85.c:
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* Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
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* Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
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*
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* derived in part from w83l785ts.c:
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* Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
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*
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* Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
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* Copyright (c) 2005 Aspen Systems, Inc.
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*
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* Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
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* Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
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*
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* Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
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* Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
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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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#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/i2c.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/delay.h>
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/* LM93 REGISTER ADDRESSES */
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/* miscellaneous */
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#define LM93_REG_MFR_ID 0x3e
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#define LM93_REG_VER 0x3f
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#define LM93_REG_STATUS_CONTROL 0xe2
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#define LM93_REG_CONFIG 0xe3
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#define LM93_REG_SLEEP_CONTROL 0xe4
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/* alarm values start here */
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#define LM93_REG_HOST_ERROR_1 0x48
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/* voltage inputs: in1-in16 (nr => 0-15) */
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#define LM93_REG_IN(nr) (0x56 + (nr))
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#define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2)
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#define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2)
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/* temperature inputs: temp1-temp4 (nr => 0-3) */
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#define LM93_REG_TEMP(nr) (0x50 + (nr))
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#define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2)
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#define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2)
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/* temp[1-4]_auto_boost (nr => 0-3) */
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#define LM93_REG_BOOST(nr) (0x80 + (nr))
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/* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */
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#define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2)
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#define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2)
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#define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr))
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/* fan tach inputs: fan1-fan4 (nr => 0-3) */
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#define LM93_REG_FAN(nr) (0x6e + (nr) * 2)
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#define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2)
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/* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
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#define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4)
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#define LM93_PWM_CTL1 0x0
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#define LM93_PWM_CTL2 0x1
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#define LM93_PWM_CTL3 0x2
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#define LM93_PWM_CTL4 0x3
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/* GPIO input state */
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#define LM93_REG_GPI 0x6b
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/* vid inputs: vid1-vid2 (nr => 0-1) */
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#define LM93_REG_VID(nr) (0x6c + (nr))
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/* vccp1 & vccp2: VID relative inputs (nr => 0-1) */
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#define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr))
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/* temp[1-4]_auto_boost_hyst */
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#define LM93_REG_BOOST_HYST_12 0xc0
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#define LM93_REG_BOOST_HYST_34 0xc1
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#define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2)
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/* temp[1-4]_auto_pwm_[min|hyst] */
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#define LM93_REG_PWM_MIN_HYST_12 0xc3
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#define LM93_REG_PWM_MIN_HYST_34 0xc4
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#define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2)
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/* prochot_override & prochot_interval */
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#define LM93_REG_PROCHOT_OVERRIDE 0xc6
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#define LM93_REG_PROCHOT_INTERVAL 0xc7
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/* temp[1-4]_auto_base (nr => 0-3) */
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#define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr))
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/* temp[1-4]_auto_offsets (step => 0-11) */
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#define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step))
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/* #PROCHOT & #VRDHOT PWM ramp control */
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#define LM93_REG_PWM_RAMP_CTL 0xbf
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/* miscellaneous */
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#define LM93_REG_SFC1 0xbc
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#define LM93_REG_SFC2 0xbd
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#define LM93_REG_GPI_VID_CTL 0xbe
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#define LM93_REG_SF_TACH_TO_PWM 0xe0
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/* error masks */
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#define LM93_REG_GPI_ERR_MASK 0xec
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#define LM93_REG_MISC_ERR_MASK 0xed
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/* LM93 REGISTER VALUES */
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#define LM93_MFR_ID 0x73
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#define LM93_MFR_ID_PROTOTYPE 0x72
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/* LM94 REGISTER VALUES */
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#define LM94_MFR_ID_2 0x7a
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#define LM94_MFR_ID 0x79
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#define LM94_MFR_ID_PROTOTYPE 0x78
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/* SMBus capabilities */
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#define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \
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I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA)
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#define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \
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I2C_FUNC_SMBUS_WORD_DATA)
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/* Addresses to scan */
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static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
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/* Insmod parameters */
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static bool disable_block;
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module_param(disable_block, bool, 0);
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MODULE_PARM_DESC(disable_block,
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"Set to non-zero to disable SMBus block data transactions.");
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static bool init;
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module_param(init, bool, 0);
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MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
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static int vccp_limit_type[2] = {0, 0};
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module_param_array(vccp_limit_type, int, NULL, 0);
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MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
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static int vid_agtl;
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module_param(vid_agtl, int, 0);
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MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds.");
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/* Driver data */
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static struct i2c_driver lm93_driver;
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/* LM93 BLOCK READ COMMANDS */
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static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = {
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{ 0xf2, 8 },
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{ 0xf3, 8 },
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{ 0xf4, 6 },
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{ 0xf5, 16 },
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{ 0xf6, 4 },
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{ 0xf7, 8 },
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{ 0xf8, 12 },
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{ 0xf9, 32 },
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{ 0xfa, 8 },
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{ 0xfb, 8 },
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{ 0xfc, 16 },
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{ 0xfd, 9 },
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};
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/*
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* ALARMS: SYSCTL format described further below
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* REG: 64 bits in 8 registers, as immediately below
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*/
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struct block1_t {
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u8 host_status_1;
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u8 host_status_2;
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u8 host_status_3;
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u8 host_status_4;
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u8 p1_prochot_status;
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u8 p2_prochot_status;
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u8 gpi_status;
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u8 fan_status;
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};
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/*
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* Client-specific data
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*/
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struct lm93_data {
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struct device *hwmon_dev;
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struct mutex update_lock;
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unsigned long last_updated; /* In jiffies */
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/* client update function */
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void (*update)(struct lm93_data *, struct i2c_client *);
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char valid; /* !=0 if following fields are valid */
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/* register values, arranged by block read groups */
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struct block1_t block1;
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/*
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* temp1 - temp4: unfiltered readings
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* temp1 - temp2: filtered readings
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*/
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u8 block2[6];
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/* vin1 - vin16: readings */
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u8 block3[16];
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/* prochot1 - prochot2: readings */
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struct {
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u8 cur;
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u8 avg;
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} block4[2];
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/* fan counts 1-4 => 14-bits, LE, *left* justified */
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u16 block5[4];
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/* block6 has a lot of data we don't need */
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struct {
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u8 min;
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u8 max;
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} temp_lim[4];
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/* vin1 - vin16: low and high limits */
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struct {
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u8 min;
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u8 max;
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} block7[16];
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/* fan count limits 1-4 => same format as block5 */
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u16 block8[4];
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/* pwm control registers (2 pwms, 4 regs) */
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u8 block9[2][4];
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/* auto/pwm base temp and offset temp registers */
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struct {
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u8 base[4];
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u8 offset[12];
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} block10;
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/* master config register */
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u8 config;
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/* VID1 & VID2 => register format, 6-bits, right justified */
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u8 vid[2];
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/* prochot1 - prochot2: limits */
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u8 prochot_max[2];
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/* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */
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u8 vccp_limits[2];
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/* GPIO input state (register format, i.e. inverted) */
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u8 gpi;
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/* #PROCHOT override (register format) */
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u8 prochot_override;
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/* #PROCHOT intervals (register format) */
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u8 prochot_interval;
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/* Fan Boost Temperatures (register format) */
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u8 boost[4];
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/* Fan Boost Hysteresis (register format) */
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u8 boost_hyst[2];
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/* Temperature Zone Min. PWM & Hysteresis (register format) */
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u8 auto_pwm_min_hyst[2];
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/* #PROCHOT & #VRDHOT PWM Ramp Control */
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u8 pwm_ramp_ctl;
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/* miscellaneous setup regs */
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u8 sfc1;
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u8 sfc2;
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u8 sf_tach_to_pwm;
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/*
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* The two PWM CTL2 registers can read something other than what was
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* last written for the OVR_DC field (duty cycle override). So, we
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* save the user-commanded value here.
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*/
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u8 pwm_override[2];
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};
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/*
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* VID: mV
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* REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
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*/
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static int LM93_VID_FROM_REG(u8 reg)
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{
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return vid_from_reg((reg & 0x3f), 100);
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}
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/* min, max, and nominal register values, per channel (u8) */
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static const u8 lm93_vin_reg_min[16] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae,
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};
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static const u8 lm93_vin_reg_max[16] = {
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
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};
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/*
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* Values from the datasheet. They're here for documentation only.
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* static const u8 lm93_vin_reg_nom[16] = {
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* 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
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* 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
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* };
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*/
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/* min, max, and nominal voltage readings, per channel (mV)*/
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static const unsigned long lm93_vin_val_min[16] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 3000,
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};
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static const unsigned long lm93_vin_val_max[16] = {
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1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
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4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
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};
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/*
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* Values from the datasheet. They're here for documentation only.
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* static const unsigned long lm93_vin_val_nom[16] = {
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* 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
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* 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
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* };
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*/
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static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
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{
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const long uV_max = lm93_vin_val_max[nr] * 1000;
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const long uV_min = lm93_vin_val_min[nr] * 1000;
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const long slope = (uV_max - uV_min) /
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(lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
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const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
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return (slope * reg + intercept + 500) / 1000;
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}
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/*
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* IN: mV, limits determined by channel nr
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* REG: scaling determined by channel nr
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*/
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static u8 LM93_IN_TO_REG(int nr, unsigned val)
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{
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/* range limit */
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const long mV = SENSORS_LIMIT(val,
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lm93_vin_val_min[nr], lm93_vin_val_max[nr]);
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/* try not to lose too much precision here */
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const long uV = mV * 1000;
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const long uV_max = lm93_vin_val_max[nr] * 1000;
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const long uV_min = lm93_vin_val_min[nr] * 1000;
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/* convert */
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const long slope = (uV_max - uV_min) /
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(lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
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const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
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u8 result = ((uV - intercept + (slope/2)) / slope);
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result = SENSORS_LIMIT(result,
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lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]);
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return result;
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}
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/* vid in mV, upper == 0 indicates low limit, otherwise upper limit */
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static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
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{
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const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) :
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(((reg >> 0 & 0x0f) + 1) * -25000);
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const long uV_vid = vid * 1000;
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return (uV_vid + uV_offset + 5000) / 10000;
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}
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#define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid))
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#define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid))
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/*
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* vid in mV , upper == 0 indicates low limit, otherwise upper limit
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* upper also determines which nibble of the register is returned
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* (the other nibble will be 0x0)
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*/
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static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
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{
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long uV_offset = vid * 1000 - val * 10000;
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if (upper) {
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uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000);
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return (u8)((uV_offset / 12500 - 1) << 4);
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} else {
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uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000);
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return (u8)((uV_offset / -25000 - 1) << 0);
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}
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}
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/*
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* TEMP: 1/1000 degrees C (-128C to +127C)
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* REG: 1C/bit, two's complement
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*/
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static int LM93_TEMP_FROM_REG(u8 reg)
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{
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return (s8)reg * 1000;
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}
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#define LM93_TEMP_MIN (-128000)
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#define LM93_TEMP_MAX (127000)
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/*
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* TEMP: 1/1000 degrees C (-128C to +127C)
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* REG: 1C/bit, two's complement
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*/
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static u8 LM93_TEMP_TO_REG(long temp)
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{
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int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
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ntemp += (ntemp < 0 ? -500 : 500);
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return (u8)(ntemp / 1000);
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}
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/* Determine 4-bit temperature offset resolution */
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static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
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{
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/* mode: 0 => 1C/bit, nonzero => 0.5C/bit */
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return sfc2 & (nr < 2 ? 0x10 : 0x20);
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}
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/*
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* This function is common to all 4-bit temperature offsets
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|
* reg is 4 bits right justified
|
|
* mode 0 => 1C/bit, mode !0 => 0.5C/bit
|
|
*/
|
|
static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
|
|
{
|
|
return (reg & 0x0f) * (mode ? 5 : 10);
|
|
}
|
|
|
|
#define LM93_TEMP_OFFSET_MIN (0)
|
|
#define LM93_TEMP_OFFSET_MAX0 (150)
|
|
#define LM93_TEMP_OFFSET_MAX1 (75)
|
|
|
|
/*
|
|
* This function is common to all 4-bit temperature offsets
|
|
* returns 4 bits right justified
|
|
* mode 0 => 1C/bit, mode !0 => 0.5C/bit
|
|
*/
|
|
static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
|
|
{
|
|
int factor = mode ? 5 : 10;
|
|
|
|
off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN,
|
|
mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0);
|
|
return (u8)((off + factor/2) / factor);
|
|
}
|
|
|
|
/* 0 <= nr <= 3 */
|
|
static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
|
|
{
|
|
/* temp1-temp2 (nr=0,1) use lower nibble */
|
|
if (nr < 2)
|
|
return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode);
|
|
|
|
/* temp3-temp4 (nr=2,3) use upper nibble */
|
|
else
|
|
return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
|
|
}
|
|
|
|
/*
|
|
* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
|
|
* REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
|
|
* 0 <= nr <= 3
|
|
*/
|
|
static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
|
|
{
|
|
u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
|
|
|
|
/* temp1-temp2 (nr=0,1) use lower nibble */
|
|
if (nr < 2)
|
|
return (old & 0xf0) | (new & 0x0f);
|
|
|
|
/* temp3-temp4 (nr=2,3) use upper nibble */
|
|
else
|
|
return (new << 4 & 0xf0) | (old & 0x0f);
|
|
}
|
|
|
|
static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr,
|
|
int mode)
|
|
{
|
|
u8 reg;
|
|
|
|
switch (nr) {
|
|
case 0:
|
|
reg = data->boost_hyst[0] & 0x0f;
|
|
break;
|
|
case 1:
|
|
reg = data->boost_hyst[0] >> 4 & 0x0f;
|
|
break;
|
|
case 2:
|
|
reg = data->boost_hyst[1] & 0x0f;
|
|
break;
|
|
case 3:
|
|
default:
|
|
reg = data->boost_hyst[1] >> 4 & 0x0f;
|
|
break;
|
|
}
|
|
|
|
return LM93_TEMP_FROM_REG(data->boost[nr]) -
|
|
LM93_TEMP_OFFSET_FROM_REG(reg, mode);
|
|
}
|
|
|
|
static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
|
|
int nr, int mode)
|
|
{
|
|
u8 reg = LM93_TEMP_OFFSET_TO_REG(
|
|
(LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode);
|
|
|
|
switch (nr) {
|
|
case 0:
|
|
reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f);
|
|
break;
|
|
case 1:
|
|
reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f);
|
|
break;
|
|
case 2:
|
|
reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f);
|
|
break;
|
|
case 3:
|
|
default:
|
|
reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f);
|
|
break;
|
|
}
|
|
|
|
return reg;
|
|
}
|
|
|
|
/*
|
|
* PWM: 0-255 per sensors documentation
|
|
* REG: 0-13 as mapped below... right justified
|
|
*/
|
|
enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ };
|
|
|
|
static int lm93_pwm_map[2][16] = {
|
|
{
|
|
0x00, /* 0.00% */ 0x40, /* 25.00% */
|
|
0x50, /* 31.25% */ 0x60, /* 37.50% */
|
|
0x70, /* 43.75% */ 0x80, /* 50.00% */
|
|
0x90, /* 56.25% */ 0xa0, /* 62.50% */
|
|
0xb0, /* 68.75% */ 0xc0, /* 75.00% */
|
|
0xd0, /* 81.25% */ 0xe0, /* 87.50% */
|
|
0xf0, /* 93.75% */ 0xff, /* 100.00% */
|
|
0xff, 0xff, /* 14, 15 are reserved and should never occur */
|
|
},
|
|
{
|
|
0x00, /* 0.00% */ 0x40, /* 25.00% */
|
|
0x49, /* 28.57% */ 0x52, /* 32.14% */
|
|
0x5b, /* 35.71% */ 0x64, /* 39.29% */
|
|
0x6d, /* 42.86% */ 0x76, /* 46.43% */
|
|
0x80, /* 50.00% */ 0x89, /* 53.57% */
|
|
0x92, /* 57.14% */ 0xb6, /* 71.43% */
|
|
0xdb, /* 85.71% */ 0xff, /* 100.00% */
|
|
0xff, 0xff, /* 14, 15 are reserved and should never occur */
|
|
},
|
|
};
|
|
|
|
static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq)
|
|
{
|
|
return lm93_pwm_map[freq][reg & 0x0f];
|
|
}
|
|
|
|
/* round up to nearest match */
|
|
static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 13; i++)
|
|
if (pwm <= lm93_pwm_map[freq][i])
|
|
break;
|
|
|
|
/* can fall through with i==13 */
|
|
return (u8)i;
|
|
}
|
|
|
|
static int LM93_FAN_FROM_REG(u16 regs)
|
|
{
|
|
const u16 count = le16_to_cpu(regs) >> 2;
|
|
return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;
|
|
}
|
|
|
|
/*
|
|
* RPM: (82.5 to 1350000)
|
|
* REG: 14-bits, LE, *left* justified
|
|
*/
|
|
static u16 LM93_FAN_TO_REG(long rpm)
|
|
{
|
|
u16 count, regs;
|
|
|
|
if (rpm == 0) {
|
|
count = 0x3fff;
|
|
} else {
|
|
rpm = SENSORS_LIMIT(rpm, 1, 1000000);
|
|
count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe);
|
|
}
|
|
|
|
regs = count << 2;
|
|
return cpu_to_le16(regs);
|
|
}
|
|
|
|
/*
|
|
* PWM FREQ: HZ
|
|
* REG: 0-7 as mapped below
|
|
*/
|
|
static int lm93_pwm_freq_map[8] = {
|
|
22500, 96, 84, 72, 60, 48, 36, 12
|
|
};
|
|
|
|
static int LM93_PWM_FREQ_FROM_REG(u8 reg)
|
|
{
|
|
return lm93_pwm_freq_map[reg & 0x07];
|
|
}
|
|
|
|
/* round up to nearest match */
|
|
static u8 LM93_PWM_FREQ_TO_REG(int freq)
|
|
{
|
|
int i;
|
|
for (i = 7; i > 0; i--)
|
|
if (freq <= lm93_pwm_freq_map[i])
|
|
break;
|
|
|
|
/* can fall through with i==0 */
|
|
return (u8)i;
|
|
}
|
|
|
|
/*
|
|
* TIME: 1/100 seconds
|
|
* REG: 0-7 as mapped below
|
|
*/
|
|
static int lm93_spinup_time_map[8] = {
|
|
0, 10, 25, 40, 70, 100, 200, 400,
|
|
};
|
|
|
|
static int LM93_SPINUP_TIME_FROM_REG(u8 reg)
|
|
{
|
|
return lm93_spinup_time_map[reg >> 5 & 0x07];
|
|
}
|
|
|
|
/* round up to nearest match */
|
|
static u8 LM93_SPINUP_TIME_TO_REG(int time)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 7; i++)
|
|
if (time <= lm93_spinup_time_map[i])
|
|
break;
|
|
|
|
/* can fall through with i==8 */
|
|
return (u8)i;
|
|
}
|
|
|
|
#define LM93_RAMP_MIN 0
|
|
#define LM93_RAMP_MAX 75
|
|
|
|
static int LM93_RAMP_FROM_REG(u8 reg)
|
|
{
|
|
return (reg & 0x0f) * 5;
|
|
}
|
|
|
|
/*
|
|
* RAMP: 1/100 seconds
|
|
* REG: 50mS/bit 4-bits right justified
|
|
*/
|
|
static u8 LM93_RAMP_TO_REG(int ramp)
|
|
{
|
|
ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
|
|
return (u8)((ramp + 2) / 5);
|
|
}
|
|
|
|
/*
|
|
* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
|
|
* REG: (same)
|
|
*/
|
|
static u8 LM93_PROCHOT_TO_REG(long prochot)
|
|
{
|
|
prochot = SENSORS_LIMIT(prochot, 0, 255);
|
|
return (u8)prochot;
|
|
}
|
|
|
|
/*
|
|
* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
|
|
* REG: 0-9 as mapped below
|
|
*/
|
|
static int lm93_interval_map[10] = {
|
|
73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
|
|
};
|
|
|
|
static int LM93_INTERVAL_FROM_REG(u8 reg)
|
|
{
|
|
return lm93_interval_map[reg & 0x0f];
|
|
}
|
|
|
|
/* round up to nearest match */
|
|
static u8 LM93_INTERVAL_TO_REG(long interval)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 9; i++)
|
|
if (interval <= lm93_interval_map[i])
|
|
break;
|
|
|
|
/* can fall through with i==9 */
|
|
return (u8)i;
|
|
}
|
|
|
|
/*
|
|
* GPIO: 0-255, GPIO0 is LSB
|
|
* REG: inverted
|
|
*/
|
|
static unsigned LM93_GPI_FROM_REG(u8 reg)
|
|
{
|
|
return ~reg & 0xff;
|
|
}
|
|
|
|
/*
|
|
* alarm bitmask definitions
|
|
* The LM93 has nearly 64 bits of error status... I've pared that down to
|
|
* what I think is a useful subset in order to fit it into 32 bits.
|
|
*
|
|
* Especially note that the #VRD_HOT alarms are missing because we provide
|
|
* that information as values in another sysfs file.
|
|
*
|
|
* If libsensors is extended to support 64 bit values, this could be revisited.
|
|
*/
|
|
#define LM93_ALARM_IN1 0x00000001
|
|
#define LM93_ALARM_IN2 0x00000002
|
|
#define LM93_ALARM_IN3 0x00000004
|
|
#define LM93_ALARM_IN4 0x00000008
|
|
#define LM93_ALARM_IN5 0x00000010
|
|
#define LM93_ALARM_IN6 0x00000020
|
|
#define LM93_ALARM_IN7 0x00000040
|
|
#define LM93_ALARM_IN8 0x00000080
|
|
#define LM93_ALARM_IN9 0x00000100
|
|
#define LM93_ALARM_IN10 0x00000200
|
|
#define LM93_ALARM_IN11 0x00000400
|
|
#define LM93_ALARM_IN12 0x00000800
|
|
#define LM93_ALARM_IN13 0x00001000
|
|
#define LM93_ALARM_IN14 0x00002000
|
|
#define LM93_ALARM_IN15 0x00004000
|
|
#define LM93_ALARM_IN16 0x00008000
|
|
#define LM93_ALARM_FAN1 0x00010000
|
|
#define LM93_ALARM_FAN2 0x00020000
|
|
#define LM93_ALARM_FAN3 0x00040000
|
|
#define LM93_ALARM_FAN4 0x00080000
|
|
#define LM93_ALARM_PH1_ERR 0x00100000
|
|
#define LM93_ALARM_PH2_ERR 0x00200000
|
|
#define LM93_ALARM_SCSI1_ERR 0x00400000
|
|
#define LM93_ALARM_SCSI2_ERR 0x00800000
|
|
#define LM93_ALARM_DVDDP1_ERR 0x01000000
|
|
#define LM93_ALARM_DVDDP2_ERR 0x02000000
|
|
#define LM93_ALARM_D1_ERR 0x04000000
|
|
#define LM93_ALARM_D2_ERR 0x08000000
|
|
#define LM93_ALARM_TEMP1 0x10000000
|
|
#define LM93_ALARM_TEMP2 0x20000000
|
|
#define LM93_ALARM_TEMP3 0x40000000
|
|
|
|
static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1)
|
|
{
|
|
unsigned result;
|
|
result = b1.host_status_2 & 0x3f;
|
|
|
|
if (vccp_limit_type[0])
|
|
result |= (b1.host_status_4 & 0x10) << 2;
|
|
else
|
|
result |= b1.host_status_2 & 0x40;
|
|
|
|
if (vccp_limit_type[1])
|
|
result |= (b1.host_status_4 & 0x20) << 2;
|
|
else
|
|
result |= b1.host_status_2 & 0x80;
|
|
|
|
result |= b1.host_status_3 << 8;
|
|
result |= (b1.fan_status & 0x0f) << 16;
|
|
result |= (b1.p1_prochot_status & 0x80) << 13;
|
|
result |= (b1.p2_prochot_status & 0x80) << 14;
|
|
result |= (b1.host_status_4 & 0xfc) << 20;
|
|
result |= (b1.host_status_1 & 0x07) << 28;
|
|
return result;
|
|
}
|
|
|
|
#define MAX_RETRIES 5
|
|
|
|
static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
|
|
{
|
|
int value, i;
|
|
|
|
/* retry in case of read errors */
|
|
for (i = 1; i <= MAX_RETRIES; i++) {
|
|
value = i2c_smbus_read_byte_data(client, reg);
|
|
if (value >= 0) {
|
|
return value;
|
|
} else {
|
|
dev_warn(&client->dev, "lm93: read byte data failed, "
|
|
"address 0x%02x.\n", reg);
|
|
mdelay(i + 3);
|
|
}
|
|
|
|
}
|
|
|
|
/* <TODO> what to return in case of error? */
|
|
dev_err(&client->dev, "lm93: All read byte retries failed!!\n");
|
|
return 0;
|
|
}
|
|
|
|
static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
|
|
{
|
|
int result;
|
|
|
|
/* <TODO> how to handle write errors? */
|
|
result = i2c_smbus_write_byte_data(client, reg, value);
|
|
|
|
if (result < 0)
|
|
dev_warn(&client->dev, "lm93: write byte data failed, "
|
|
"0x%02x at address 0x%02x.\n", value, reg);
|
|
|
|
return result;
|
|
}
|
|
|
|
static u16 lm93_read_word(struct i2c_client *client, u8 reg)
|
|
{
|
|
int value, i;
|
|
|
|
/* retry in case of read errors */
|
|
for (i = 1; i <= MAX_RETRIES; i++) {
|
|
value = i2c_smbus_read_word_data(client, reg);
|
|
if (value >= 0) {
|
|
return value;
|
|
} else {
|
|
dev_warn(&client->dev, "lm93: read word data failed, "
|
|
"address 0x%02x.\n", reg);
|
|
mdelay(i + 3);
|
|
}
|
|
|
|
}
|
|
|
|
/* <TODO> what to return in case of error? */
|
|
dev_err(&client->dev, "lm93: All read word retries failed!!\n");
|
|
return 0;
|
|
}
|
|
|
|
static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
|
|
{
|
|
int result;
|
|
|
|
/* <TODO> how to handle write errors? */
|
|
result = i2c_smbus_write_word_data(client, reg, value);
|
|
|
|
if (result < 0)
|
|
dev_warn(&client->dev, "lm93: write word data failed, "
|
|
"0x%04x at address 0x%02x.\n", value, reg);
|
|
|
|
return result;
|
|
}
|
|
|
|
static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
|
|
|
|
/*
|
|
* read block data into values, retry if not expected length
|
|
* fbn => index to lm93_block_read_cmds table
|
|
* (Fixed Block Number - section 14.5.2 of LM93 datasheet)
|
|
*/
|
|
static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
|
|
{
|
|
int i, result = 0;
|
|
|
|
for (i = 1; i <= MAX_RETRIES; i++) {
|
|
result = i2c_smbus_read_block_data(client,
|
|
lm93_block_read_cmds[fbn].cmd, lm93_block_buffer);
|
|
|
|
if (result == lm93_block_read_cmds[fbn].len) {
|
|
break;
|
|
} else {
|
|
dev_warn(&client->dev, "lm93: block read data failed, "
|
|
"command 0x%02x.\n",
|
|
lm93_block_read_cmds[fbn].cmd);
|
|
mdelay(i + 3);
|
|
}
|
|
}
|
|
|
|
if (result == lm93_block_read_cmds[fbn].len) {
|
|
memcpy(values, lm93_block_buffer,
|
|
lm93_block_read_cmds[fbn].len);
|
|
} else {
|
|
/* <TODO> what to do in case of error? */
|
|
}
|
|
}
|
|
|
|
static struct lm93_data *lm93_update_device(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
const unsigned long interval = HZ + (HZ / 2);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
|
|
if (time_after(jiffies, data->last_updated + interval) ||
|
|
!data->valid) {
|
|
|
|
data->update(data, client);
|
|
data->last_updated = jiffies;
|
|
data->valid = 1;
|
|
}
|
|
|
|
mutex_unlock(&data->update_lock);
|
|
return data;
|
|
}
|
|
|
|
/* update routine for data that has no corresponding SMBus block command */
|
|
static void lm93_update_client_common(struct lm93_data *data,
|
|
struct i2c_client *client)
|
|
{
|
|
int i;
|
|
u8 *ptr;
|
|
|
|
/* temp1 - temp4: limits */
|
|
for (i = 0; i < 4; i++) {
|
|
data->temp_lim[i].min =
|
|
lm93_read_byte(client, LM93_REG_TEMP_MIN(i));
|
|
data->temp_lim[i].max =
|
|
lm93_read_byte(client, LM93_REG_TEMP_MAX(i));
|
|
}
|
|
|
|
/* config register */
|
|
data->config = lm93_read_byte(client, LM93_REG_CONFIG);
|
|
|
|
/* vid1 - vid2: values */
|
|
for (i = 0; i < 2; i++)
|
|
data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i));
|
|
|
|
/* prochot1 - prochot2: limits */
|
|
for (i = 0; i < 2; i++)
|
|
data->prochot_max[i] = lm93_read_byte(client,
|
|
LM93_REG_PROCHOT_MAX(i));
|
|
|
|
/* vccp1 - vccp2: VID relative limits */
|
|
for (i = 0; i < 2; i++)
|
|
data->vccp_limits[i] = lm93_read_byte(client,
|
|
LM93_REG_VCCP_LIMIT_OFF(i));
|
|
|
|
/* GPIO input state */
|
|
data->gpi = lm93_read_byte(client, LM93_REG_GPI);
|
|
|
|
/* #PROCHOT override state */
|
|
data->prochot_override = lm93_read_byte(client,
|
|
LM93_REG_PROCHOT_OVERRIDE);
|
|
|
|
/* #PROCHOT intervals */
|
|
data->prochot_interval = lm93_read_byte(client,
|
|
LM93_REG_PROCHOT_INTERVAL);
|
|
|
|
/* Fan Boost Temperature registers */
|
|
for (i = 0; i < 4; i++)
|
|
data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i));
|
|
|
|
/* Fan Boost Temperature Hyst. registers */
|
|
data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12);
|
|
data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34);
|
|
|
|
/* Temperature Zone Min. PWM & Hysteresis registers */
|
|
data->auto_pwm_min_hyst[0] =
|
|
lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12);
|
|
data->auto_pwm_min_hyst[1] =
|
|
lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34);
|
|
|
|
/* #PROCHOT & #VRDHOT PWM Ramp Control register */
|
|
data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
|
|
|
|
/* misc setup registers */
|
|
data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1);
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
data->sf_tach_to_pwm = lm93_read_byte(client,
|
|
LM93_REG_SF_TACH_TO_PWM);
|
|
|
|
/* write back alarm values to clear */
|
|
for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++)
|
|
lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i));
|
|
}
|
|
|
|
/* update routine which uses SMBus block data commands */
|
|
static void lm93_update_client_full(struct lm93_data *data,
|
|
struct i2c_client *client)
|
|
{
|
|
dev_dbg(&client->dev, "starting device update (block data enabled)\n");
|
|
|
|
/* in1 - in16: values & limits */
|
|
lm93_read_block(client, 3, (u8 *)(data->block3));
|
|
lm93_read_block(client, 7, (u8 *)(data->block7));
|
|
|
|
/* temp1 - temp4: values */
|
|
lm93_read_block(client, 2, (u8 *)(data->block2));
|
|
|
|
/* prochot1 - prochot2: values */
|
|
lm93_read_block(client, 4, (u8 *)(data->block4));
|
|
|
|
/* fan1 - fan4: values & limits */
|
|
lm93_read_block(client, 5, (u8 *)(data->block5));
|
|
lm93_read_block(client, 8, (u8 *)(data->block8));
|
|
|
|
/* pmw control registers */
|
|
lm93_read_block(client, 9, (u8 *)(data->block9));
|
|
|
|
/* alarm values */
|
|
lm93_read_block(client, 1, (u8 *)(&data->block1));
|
|
|
|
/* auto/pwm registers */
|
|
lm93_read_block(client, 10, (u8 *)(&data->block10));
|
|
|
|
lm93_update_client_common(data, client);
|
|
}
|
|
|
|
/* update routine which uses SMBus byte/word data commands only */
|
|
static void lm93_update_client_min(struct lm93_data *data,
|
|
struct i2c_client *client)
|
|
{
|
|
int i, j;
|
|
u8 *ptr;
|
|
|
|
dev_dbg(&client->dev, "starting device update (block data disabled)\n");
|
|
|
|
/* in1 - in16: values & limits */
|
|
for (i = 0; i < 16; i++) {
|
|
data->block3[i] =
|
|
lm93_read_byte(client, LM93_REG_IN(i));
|
|
data->block7[i].min =
|
|
lm93_read_byte(client, LM93_REG_IN_MIN(i));
|
|
data->block7[i].max =
|
|
lm93_read_byte(client, LM93_REG_IN_MAX(i));
|
|
}
|
|
|
|
/* temp1 - temp4: values */
|
|
for (i = 0; i < 4; i++) {
|
|
data->block2[i] =
|
|
lm93_read_byte(client, LM93_REG_TEMP(i));
|
|
}
|
|
|
|
/* prochot1 - prochot2: values */
|
|
for (i = 0; i < 2; i++) {
|
|
data->block4[i].cur =
|
|
lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i));
|
|
data->block4[i].avg =
|
|
lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i));
|
|
}
|
|
|
|
/* fan1 - fan4: values & limits */
|
|
for (i = 0; i < 4; i++) {
|
|
data->block5[i] =
|
|
lm93_read_word(client, LM93_REG_FAN(i));
|
|
data->block8[i] =
|
|
lm93_read_word(client, LM93_REG_FAN_MIN(i));
|
|
}
|
|
|
|
/* pwm control registers */
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 4; j++) {
|
|
data->block9[i][j] =
|
|
lm93_read_byte(client, LM93_REG_PWM_CTL(i, j));
|
|
}
|
|
}
|
|
|
|
/* alarm values */
|
|
for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) {
|
|
*(ptr + i) =
|
|
lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i);
|
|
}
|
|
|
|
/* auto/pwm (base temp) registers */
|
|
for (i = 0; i < 4; i++) {
|
|
data->block10.base[i] =
|
|
lm93_read_byte(client, LM93_REG_TEMP_BASE(i));
|
|
}
|
|
|
|
/* auto/pwm (offset temp) registers */
|
|
for (i = 0; i < 12; i++) {
|
|
data->block10.offset[i] =
|
|
lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i));
|
|
}
|
|
|
|
lm93_update_client_common(data, client);
|
|
}
|
|
|
|
/* following are the sysfs callback functions */
|
|
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr]));
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1);
|
|
static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2);
|
|
static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3);
|
|
static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4);
|
|
static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5);
|
|
static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6);
|
|
static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7);
|
|
static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8);
|
|
static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9);
|
|
static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10);
|
|
static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11);
|
|
static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12);
|
|
static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13);
|
|
static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14);
|
|
static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15);
|
|
|
|
static ssize_t show_in_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
int vccp = nr - 6;
|
|
long rc, vid;
|
|
|
|
if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
|
|
vid = LM93_VID_FROM_REG(data->vid[vccp]);
|
|
rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
|
|
} else {
|
|
rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);
|
|
}
|
|
return sprintf(buf, "%ld\n", rc);
|
|
}
|
|
|
|
static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
int vccp = nr - 6;
|
|
long vid;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
|
|
vid = LM93_VID_FROM_REG(data->vid[vccp]);
|
|
data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
|
|
LM93_IN_REL_TO_REG(val, 0, vid);
|
|
lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
|
|
data->vccp_limits[vccp]);
|
|
} else {
|
|
data->block7[nr].min = LM93_IN_TO_REG(nr, val);
|
|
lm93_write_byte(client, LM93_REG_IN_MIN(nr),
|
|
data->block7[nr].min);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 0);
|
|
static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 1);
|
|
static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 2);
|
|
static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 3);
|
|
static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 4);
|
|
static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 5);
|
|
static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 6);
|
|
static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 7);
|
|
static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 8);
|
|
static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 9);
|
|
static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 10);
|
|
static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 11);
|
|
static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 12);
|
|
static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 13);
|
|
static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 14);
|
|
static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO,
|
|
show_in_min, store_in_min, 15);
|
|
|
|
static ssize_t show_in_max(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
int vccp = nr - 6;
|
|
long rc, vid;
|
|
|
|
if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
|
|
vid = LM93_VID_FROM_REG(data->vid[vccp]);
|
|
rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);
|
|
} else {
|
|
rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);
|
|
}
|
|
return sprintf(buf, "%ld\n", rc);
|
|
}
|
|
|
|
static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
int vccp = nr - 6;
|
|
long vid;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
|
|
vid = LM93_VID_FROM_REG(data->vid[vccp]);
|
|
data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
|
|
LM93_IN_REL_TO_REG(val, 1, vid);
|
|
lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
|
|
data->vccp_limits[vccp]);
|
|
} else {
|
|
data->block7[nr].max = LM93_IN_TO_REG(nr, val);
|
|
lm93_write_byte(client, LM93_REG_IN_MAX(nr),
|
|
data->block7[nr].max);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 0);
|
|
static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 1);
|
|
static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 2);
|
|
static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 3);
|
|
static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 4);
|
|
static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 5);
|
|
static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 6);
|
|
static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 7);
|
|
static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 8);
|
|
static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 9);
|
|
static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 10);
|
|
static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 11);
|
|
static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 12);
|
|
static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 13);
|
|
static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 14);
|
|
static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO,
|
|
show_in_max, store_in_max, 15);
|
|
|
|
static ssize_t show_temp(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
|
|
|
|
static ssize_t show_temp_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
|
|
}
|
|
|
|
static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
|
|
lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
|
|
show_temp_min, store_temp_min, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO,
|
|
show_temp_min, store_temp_min, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO,
|
|
show_temp_min, store_temp_min, 2);
|
|
|
|
static ssize_t show_temp_max(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
|
|
}
|
|
|
|
static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
|
|
lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
|
|
show_temp_max, store_temp_max, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO,
|
|
show_temp_max, store_temp_max, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO,
|
|
show_temp_max, store_temp_max, 2);
|
|
|
|
static ssize_t show_temp_auto_base(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_base(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->block10.base[nr] = LM93_TEMP_TO_REG(val);
|
|
lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_base, store_temp_auto_base, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_base, store_temp_auto_base, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_base, store_temp_auto_base, 2);
|
|
|
|
static ssize_t show_temp_auto_boost(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_boost(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->boost[nr] = LM93_TEMP_TO_REG(val);
|
|
lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost, store_temp_auto_boost, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost, store_temp_auto_boost, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost, store_temp_auto_boost, 2);
|
|
|
|
static ssize_t show_temp_auto_boost_hyst(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
|
|
return sprintf(buf, "%d\n",
|
|
LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_boost_hyst(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
/* force 0.5C/bit mode */
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
|
|
lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
|
|
data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1);
|
|
lm93_write_byte(client, LM93_REG_BOOST_HYST(nr),
|
|
data->boost_hyst[nr/2]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost_hyst,
|
|
store_temp_auto_boost_hyst, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost_hyst,
|
|
store_temp_auto_boost_hyst, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_boost_hyst,
|
|
store_temp_auto_boost_hyst, 2);
|
|
|
|
static ssize_t show_temp_auto_offset(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
|
|
int nr = s_attr->index;
|
|
int ofs = s_attr->nr;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
|
|
return sprintf(buf, "%d\n",
|
|
LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
|
|
nr, mode));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_offset(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
|
|
int nr = s_attr->index;
|
|
int ofs = s_attr->nr;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
/* force 0.5C/bit mode */
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
|
|
lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
|
|
data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG(
|
|
data->block10.offset[ofs], val, nr, 1);
|
|
lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs),
|
|
data->block10.offset[ofs]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 0, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 1, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 2, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 3, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 4, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 5, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 6, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 7, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 8, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 9, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 10, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 11, 0);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 0, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 1, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 2, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 3, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 4, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 5, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 6, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 7, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 8, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 9, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 10, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 11, 1);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 0, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 1, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 2, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 3, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 4, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 5, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 6, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 7, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 8, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 9, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 10, 2);
|
|
static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset, store_temp_auto_offset, 11, 2);
|
|
|
|
static ssize_t show_temp_auto_pwm_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
u8 reg, ctl4;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
|
|
ctl4 = data->block9[nr][LM93_PWM_CTL4];
|
|
return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_pwm_min(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 reg, ctl4;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
|
|
ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
|
|
reg = (reg & 0x0f) |
|
|
LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ :
|
|
LM93_PWM_MAP_HI_FREQ) << 4;
|
|
data->auto_pwm_min_hyst[nr/2] = reg;
|
|
lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_pwm_min,
|
|
store_temp_auto_pwm_min, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_pwm_min,
|
|
store_temp_auto_pwm_min, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_pwm_min,
|
|
store_temp_auto_pwm_min, 2);
|
|
|
|
static ssize_t show_temp_auto_offset_hyst(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
|
|
return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG(
|
|
data->auto_pwm_min_hyst[nr / 2], mode));
|
|
}
|
|
|
|
static ssize_t store_temp_auto_offset_hyst(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 reg;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
/* force 0.5C/bit mode */
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
|
|
lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
|
|
reg = data->auto_pwm_min_hyst[nr/2];
|
|
reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f);
|
|
data->auto_pwm_min_hyst[nr/2] = reg;
|
|
lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset_hyst,
|
|
store_temp_auto_offset_hyst, 0);
|
|
static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset_hyst,
|
|
store_temp_auto_offset_hyst, 1);
|
|
static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO,
|
|
show_temp_auto_offset_hyst,
|
|
store_temp_auto_offset_hyst, 2);
|
|
|
|
static ssize_t show_fan_input(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr);
|
|
int nr = s_attr->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
|
|
return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1);
|
|
static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2);
|
|
static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3);
|
|
|
|
static ssize_t show_fan_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
|
|
return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));
|
|
}
|
|
|
|
static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->block8[nr] = LM93_FAN_TO_REG(val);
|
|
lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
|
|
show_fan_min, store_fan_min, 0);
|
|
static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
|
|
show_fan_min, store_fan_min, 1);
|
|
static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
|
|
show_fan_min, store_fan_min, 2);
|
|
static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
|
|
show_fan_min, store_fan_min, 3);
|
|
|
|
/*
|
|
* some tedious bit-twiddling here to deal with the register format:
|
|
*
|
|
* data->sf_tach_to_pwm: (tach to pwm mapping bits)
|
|
*
|
|
* bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
|
|
* T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
|
|
*
|
|
* data->sfc2: (enable bits)
|
|
*
|
|
* bit | 3 | 2 | 1 | 0
|
|
* T4 T3 T2 T1
|
|
*/
|
|
|
|
static ssize_t show_fan_smart_tach(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
long rc = 0;
|
|
int mapping;
|
|
|
|
/* extract the relevant mapping */
|
|
mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03;
|
|
|
|
/* if there's a mapping and it's enabled */
|
|
if (mapping && ((data->sfc2 >> nr) & 0x01))
|
|
rc = mapping;
|
|
return sprintf(buf, "%ld\n", rc);
|
|
}
|
|
|
|
/*
|
|
* helper function - must grab data->update_lock before calling
|
|
* fan is 0-3, indicating fan1-fan4
|
|
*/
|
|
static void lm93_write_fan_smart_tach(struct i2c_client *client,
|
|
struct lm93_data *data, int fan, long value)
|
|
{
|
|
/* insert the new mapping and write it out */
|
|
data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
|
|
data->sf_tach_to_pwm &= ~(0x3 << fan * 2);
|
|
data->sf_tach_to_pwm |= value << fan * 2;
|
|
lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm);
|
|
|
|
/* insert the enable bit and write it out */
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
if (value)
|
|
data->sfc2 |= 1 << fan;
|
|
else
|
|
data->sfc2 &= ~(1 << fan);
|
|
lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
|
|
}
|
|
|
|
static ssize_t store_fan_smart_tach(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
/* sanity test, ignore the write otherwise */
|
|
if (val <= 2) {
|
|
/* can't enable if pwm freq is 22.5KHz */
|
|
if (val) {
|
|
u8 ctl4 = lm93_read_byte(client,
|
|
LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));
|
|
if ((ctl4 & 0x07) == 0)
|
|
val = 0;
|
|
}
|
|
lm93_write_fan_smart_tach(client, data, nr, val);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO,
|
|
show_fan_smart_tach, store_fan_smart_tach, 0);
|
|
static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO,
|
|
show_fan_smart_tach, store_fan_smart_tach, 1);
|
|
static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO,
|
|
show_fan_smart_tach, store_fan_smart_tach, 2);
|
|
static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO,
|
|
show_fan_smart_tach, store_fan_smart_tach, 3);
|
|
|
|
static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
u8 ctl2, ctl4;
|
|
long rc;
|
|
|
|
ctl2 = data->block9[nr][LM93_PWM_CTL2];
|
|
ctl4 = data->block9[nr][LM93_PWM_CTL4];
|
|
if (ctl2 & 0x01) /* show user commanded value if enabled */
|
|
rc = data->pwm_override[nr];
|
|
else /* show present h/w value if manual pwm disabled */
|
|
rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
|
|
return sprintf(buf, "%ld\n", rc);
|
|
}
|
|
|
|
static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ctl2, ctl4;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
|
|
ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
|
|
ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
|
|
/* save user commanded value */
|
|
data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
|
|
(ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ :
|
|
LM93_PWM_MAP_HI_FREQ);
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
|
|
|
|
static ssize_t show_pwm_enable(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
u8 ctl2;
|
|
long rc;
|
|
|
|
ctl2 = data->block9[nr][LM93_PWM_CTL2];
|
|
if (ctl2 & 0x01) /* manual override enabled ? */
|
|
rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
|
|
else
|
|
rc = 2;
|
|
return sprintf(buf, "%ld\n", rc);
|
|
}
|
|
|
|
static ssize_t store_pwm_enable(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ctl2;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
|
|
|
|
switch (val) {
|
|
case 0:
|
|
ctl2 |= 0xF1; /* enable manual override, set PWM to max */
|
|
break;
|
|
case 1:
|
|
ctl2 |= 0x01; /* enable manual override */
|
|
break;
|
|
case 2:
|
|
ctl2 &= ~0x01; /* disable manual override */
|
|
break;
|
|
default:
|
|
mutex_unlock(&data->update_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
|
|
show_pwm_enable, store_pwm_enable, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
|
|
show_pwm_enable, store_pwm_enable, 1);
|
|
|
|
static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
u8 ctl4;
|
|
|
|
ctl4 = data->block9[nr][LM93_PWM_CTL4];
|
|
return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4));
|
|
}
|
|
|
|
/*
|
|
* helper function - must grab data->update_lock before calling
|
|
* pwm is 0-1, indicating pwm1-pwm2
|
|
* this disables smart tach for all tach channels bound to the given pwm
|
|
*/
|
|
static void lm93_disable_fan_smart_tach(struct i2c_client *client,
|
|
struct lm93_data *data, int pwm)
|
|
{
|
|
int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
|
|
int mask;
|
|
|
|
/* collapse the mapping into a mask of enable bits */
|
|
mapping = (mapping >> pwm) & 0x55;
|
|
mask = mapping & 0x01;
|
|
mask |= (mapping & 0x04) >> 1;
|
|
mask |= (mapping & 0x10) >> 2;
|
|
mask |= (mapping & 0x40) >> 3;
|
|
|
|
/* disable smart tach according to the mask */
|
|
data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
|
|
data->sfc2 &= ~mask;
|
|
lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
|
|
}
|
|
|
|
static ssize_t store_pwm_freq(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ctl4;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
|
|
ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
|
|
data->block9[nr][LM93_PWM_CTL4] = ctl4;
|
|
/* ctl4 == 0 -> 22.5KHz -> disable smart tach */
|
|
if (!ctl4)
|
|
lm93_disable_fan_smart_tach(client, data, nr);
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO,
|
|
show_pwm_freq, store_pwm_freq, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO,
|
|
show_pwm_freq, store_pwm_freq, 1);
|
|
|
|
static ssize_t show_pwm_auto_channels(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);
|
|
}
|
|
|
|
static ssize_t store_pwm_auto_channels(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255);
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1),
|
|
data->block9[nr][LM93_PWM_CTL1]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_channels, store_pwm_auto_channels, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_channels, store_pwm_auto_channels, 1);
|
|
|
|
static ssize_t show_pwm_auto_spinup_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
u8 ctl3, ctl4;
|
|
|
|
ctl3 = data->block9[nr][LM93_PWM_CTL3];
|
|
ctl4 = data->block9[nr][LM93_PWM_CTL4];
|
|
return sprintf(buf, "%d\n",
|
|
LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
|
|
}
|
|
|
|
static ssize_t store_pwm_auto_spinup_min(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ctl3, ctl4;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
|
|
ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
|
|
ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
|
|
LM93_PWM_MAP_LO_FREQ :
|
|
LM93_PWM_MAP_HI_FREQ);
|
|
data->block9[nr][LM93_PWM_CTL3] = ctl3;
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_spinup_min,
|
|
store_pwm_auto_spinup_min, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_spinup_min,
|
|
store_pwm_auto_spinup_min, 1);
|
|
|
|
static ssize_t show_pwm_auto_spinup_time(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG(
|
|
data->block9[nr][LM93_PWM_CTL3]));
|
|
}
|
|
|
|
static ssize_t store_pwm_auto_spinup_time(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ctl3;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
|
|
ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
|
|
data->block9[nr][LM93_PWM_CTL3] = ctl3;
|
|
lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_spinup_time,
|
|
store_pwm_auto_spinup_time, 0);
|
|
static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO,
|
|
show_pwm_auto_spinup_time,
|
|
store_pwm_auto_spinup_time, 1);
|
|
|
|
static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n",
|
|
LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
|
|
}
|
|
|
|
static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ramp;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
|
|
ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0);
|
|
lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR,
|
|
show_pwm_auto_prochot_ramp,
|
|
store_pwm_auto_prochot_ramp);
|
|
|
|
static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n",
|
|
LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
|
|
}
|
|
|
|
static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 ramp;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
|
|
ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f);
|
|
lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
|
|
mutex_unlock(&data->update_lock);
|
|
return 0;
|
|
}
|
|
|
|
static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR,
|
|
show_pwm_auto_vrdhot_ramp,
|
|
store_pwm_auto_vrdhot_ramp);
|
|
|
|
static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1);
|
|
|
|
static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->block4[nr].cur);
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1);
|
|
|
|
static ssize_t show_prochot_avg(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->block4[nr].avg);
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1);
|
|
|
|
static ssize_t show_prochot_max(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->prochot_max[nr]);
|
|
}
|
|
|
|
static ssize_t store_prochot_max(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
|
|
lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr),
|
|
data->prochot_max[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO,
|
|
show_prochot_max, store_prochot_max, 0);
|
|
static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO,
|
|
show_prochot_max, store_prochot_max, 1);
|
|
|
|
static const u8 prochot_override_mask[] = { 0x80, 0x40 };
|
|
|
|
static ssize_t show_prochot_override(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n",
|
|
(data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
|
|
}
|
|
|
|
static ssize_t store_prochot_override(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if (val)
|
|
data->prochot_override |= prochot_override_mask[nr];
|
|
else
|
|
data->prochot_override &= (~prochot_override_mask[nr]);
|
|
lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
|
|
data->prochot_override);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO,
|
|
show_prochot_override, store_prochot_override, 0);
|
|
static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO,
|
|
show_prochot_override, store_prochot_override, 1);
|
|
|
|
static ssize_t show_prochot_interval(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
u8 tmp;
|
|
if (nr == 1)
|
|
tmp = (data->prochot_interval & 0xf0) >> 4;
|
|
else
|
|
tmp = data->prochot_interval & 0x0f;
|
|
return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp));
|
|
}
|
|
|
|
static ssize_t store_prochot_interval(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
u8 tmp;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
|
|
if (nr == 1)
|
|
tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
|
|
else
|
|
tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
|
|
data->prochot_interval = tmp;
|
|
lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO,
|
|
show_prochot_interval, store_prochot_interval, 0);
|
|
static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO,
|
|
show_prochot_interval, store_prochot_interval, 1);
|
|
|
|
static ssize_t show_prochot_override_duty_cycle(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->prochot_override & 0x0f);
|
|
}
|
|
|
|
static ssize_t store_prochot_override_duty_cycle(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->prochot_override = (data->prochot_override & 0xf0) |
|
|
SENSORS_LIMIT(val, 0, 15);
|
|
lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
|
|
data->prochot_override);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR,
|
|
show_prochot_override_duty_cycle,
|
|
store_prochot_override_duty_cycle);
|
|
|
|
static ssize_t show_prochot_short(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);
|
|
}
|
|
|
|
static ssize_t store_prochot_short(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if (val)
|
|
data->config |= 0x10;
|
|
else
|
|
data->config &= ~0x10;
|
|
lm93_write_byte(client, LM93_REG_CONFIG, data->config);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR,
|
|
show_prochot_short, store_prochot_short);
|
|
|
|
static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int nr = (to_sensor_dev_attr(attr))->index;
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n",
|
|
data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1);
|
|
|
|
static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));
|
|
}
|
|
|
|
static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
|
|
|
|
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct lm93_data *data = lm93_update_device(dev);
|
|
return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));
|
|
}
|
|
|
|
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
|
|
|
|
static struct attribute *lm93_attrs[] = {
|
|
&sensor_dev_attr_in1_input.dev_attr.attr,
|
|
&sensor_dev_attr_in2_input.dev_attr.attr,
|
|
&sensor_dev_attr_in3_input.dev_attr.attr,
|
|
&sensor_dev_attr_in4_input.dev_attr.attr,
|
|
&sensor_dev_attr_in5_input.dev_attr.attr,
|
|
&sensor_dev_attr_in6_input.dev_attr.attr,
|
|
&sensor_dev_attr_in7_input.dev_attr.attr,
|
|
&sensor_dev_attr_in8_input.dev_attr.attr,
|
|
&sensor_dev_attr_in9_input.dev_attr.attr,
|
|
&sensor_dev_attr_in10_input.dev_attr.attr,
|
|
&sensor_dev_attr_in11_input.dev_attr.attr,
|
|
&sensor_dev_attr_in12_input.dev_attr.attr,
|
|
&sensor_dev_attr_in13_input.dev_attr.attr,
|
|
&sensor_dev_attr_in14_input.dev_attr.attr,
|
|
&sensor_dev_attr_in15_input.dev_attr.attr,
|
|
&sensor_dev_attr_in16_input.dev_attr.attr,
|
|
&sensor_dev_attr_in1_min.dev_attr.attr,
|
|
&sensor_dev_attr_in2_min.dev_attr.attr,
|
|
&sensor_dev_attr_in3_min.dev_attr.attr,
|
|
&sensor_dev_attr_in4_min.dev_attr.attr,
|
|
&sensor_dev_attr_in5_min.dev_attr.attr,
|
|
&sensor_dev_attr_in6_min.dev_attr.attr,
|
|
&sensor_dev_attr_in7_min.dev_attr.attr,
|
|
&sensor_dev_attr_in8_min.dev_attr.attr,
|
|
&sensor_dev_attr_in9_min.dev_attr.attr,
|
|
&sensor_dev_attr_in10_min.dev_attr.attr,
|
|
&sensor_dev_attr_in11_min.dev_attr.attr,
|
|
&sensor_dev_attr_in12_min.dev_attr.attr,
|
|
&sensor_dev_attr_in13_min.dev_attr.attr,
|
|
&sensor_dev_attr_in14_min.dev_attr.attr,
|
|
&sensor_dev_attr_in15_min.dev_attr.attr,
|
|
&sensor_dev_attr_in16_min.dev_attr.attr,
|
|
&sensor_dev_attr_in1_max.dev_attr.attr,
|
|
&sensor_dev_attr_in2_max.dev_attr.attr,
|
|
&sensor_dev_attr_in3_max.dev_attr.attr,
|
|
&sensor_dev_attr_in4_max.dev_attr.attr,
|
|
&sensor_dev_attr_in5_max.dev_attr.attr,
|
|
&sensor_dev_attr_in6_max.dev_attr.attr,
|
|
&sensor_dev_attr_in7_max.dev_attr.attr,
|
|
&sensor_dev_attr_in8_max.dev_attr.attr,
|
|
&sensor_dev_attr_in9_max.dev_attr.attr,
|
|
&sensor_dev_attr_in10_max.dev_attr.attr,
|
|
&sensor_dev_attr_in11_max.dev_attr.attr,
|
|
&sensor_dev_attr_in12_max.dev_attr.attr,
|
|
&sensor_dev_attr_in13_max.dev_attr.attr,
|
|
&sensor_dev_attr_in14_max.dev_attr.attr,
|
|
&sensor_dev_attr_in15_max.dev_attr.attr,
|
|
&sensor_dev_attr_in16_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_base.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_base.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_base.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_boost.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_boost.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_boost.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset1.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset2.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset3.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset4.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset5.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset6.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset7.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset8.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset9.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset10.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset11.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset12.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset1.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset2.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset3.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset4.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset5.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset6.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset7.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset8.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset9.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset10.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset11.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset12.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset1.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset2.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset3.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset4.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset5.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset6.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset7.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset8.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset9.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset10.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset11.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset12.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_smart_tach.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_smart_tach.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_smart_tach.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_smart_tach.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr,
|
|
&sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr,
|
|
&dev_attr_pwm_auto_prochot_ramp.attr,
|
|
&dev_attr_pwm_auto_vrdhot_ramp.attr,
|
|
&sensor_dev_attr_cpu0_vid.dev_attr.attr,
|
|
&sensor_dev_attr_cpu1_vid.dev_attr.attr,
|
|
&sensor_dev_attr_prochot1.dev_attr.attr,
|
|
&sensor_dev_attr_prochot2.dev_attr.attr,
|
|
&sensor_dev_attr_prochot1_avg.dev_attr.attr,
|
|
&sensor_dev_attr_prochot2_avg.dev_attr.attr,
|
|
&sensor_dev_attr_prochot1_max.dev_attr.attr,
|
|
&sensor_dev_attr_prochot2_max.dev_attr.attr,
|
|
&sensor_dev_attr_prochot1_override.dev_attr.attr,
|
|
&sensor_dev_attr_prochot2_override.dev_attr.attr,
|
|
&sensor_dev_attr_prochot1_interval.dev_attr.attr,
|
|
&sensor_dev_attr_prochot2_interval.dev_attr.attr,
|
|
&dev_attr_prochot_override_duty_cycle.attr,
|
|
&dev_attr_prochot_short.attr,
|
|
&sensor_dev_attr_vrdhot1.dev_attr.attr,
|
|
&sensor_dev_attr_vrdhot2.dev_attr.attr,
|
|
&dev_attr_gpio.attr,
|
|
&dev_attr_alarms.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute_group lm93_attr_grp = {
|
|
.attrs = lm93_attrs,
|
|
};
|
|
|
|
static void lm93_init_client(struct i2c_client *client)
|
|
{
|
|
int i;
|
|
u8 reg;
|
|
|
|
/* configure VID pin input thresholds */
|
|
reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL);
|
|
lm93_write_byte(client, LM93_REG_GPI_VID_CTL,
|
|
reg | (vid_agtl ? 0x03 : 0x00));
|
|
|
|
if (init) {
|
|
/* enable #ALERT pin */
|
|
reg = lm93_read_byte(client, LM93_REG_CONFIG);
|
|
lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08);
|
|
|
|
/* enable ASF mode for BMC status registers */
|
|
reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL);
|
|
lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02);
|
|
|
|
/* set sleep state to S0 */
|
|
lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0);
|
|
|
|
/* unmask #VRDHOT and dynamic VCCP (if nec) error events */
|
|
reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK);
|
|
reg &= ~0x03;
|
|
reg &= ~(vccp_limit_type[0] ? 0x10 : 0);
|
|
reg &= ~(vccp_limit_type[1] ? 0x20 : 0);
|
|
lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg);
|
|
}
|
|
|
|
/* start monitoring */
|
|
reg = lm93_read_byte(client, LM93_REG_CONFIG);
|
|
lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
|
|
|
|
/* spin until ready */
|
|
for (i = 0; i < 20; i++) {
|
|
msleep(10);
|
|
if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
|
|
return;
|
|
}
|
|
|
|
dev_warn(&client->dev, "timed out waiting for sensor "
|
|
"chip to signal ready!\n");
|
|
}
|
|
|
|
/* Return 0 if detection is successful, -ENODEV otherwise */
|
|
static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
|
|
{
|
|
struct i2c_adapter *adapter = client->adapter;
|
|
int mfr, ver;
|
|
const char *name;
|
|
|
|
if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN))
|
|
return -ENODEV;
|
|
|
|
/* detection */
|
|
mfr = lm93_read_byte(client, LM93_REG_MFR_ID);
|
|
if (mfr != 0x01) {
|
|
dev_dbg(&adapter->dev,
|
|
"detect failed, bad manufacturer id 0x%02x!\n", mfr);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ver = lm93_read_byte(client, LM93_REG_VER);
|
|
switch (ver) {
|
|
case LM93_MFR_ID:
|
|
case LM93_MFR_ID_PROTOTYPE:
|
|
name = "lm93";
|
|
break;
|
|
case LM94_MFR_ID_2:
|
|
case LM94_MFR_ID:
|
|
case LM94_MFR_ID_PROTOTYPE:
|
|
name = "lm94";
|
|
break;
|
|
default:
|
|
dev_dbg(&adapter->dev,
|
|
"detect failed, bad version id 0x%02x!\n", ver);
|
|
return -ENODEV;
|
|
}
|
|
|
|
strlcpy(info->type, name, I2C_NAME_SIZE);
|
|
dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",
|
|
client->name, i2c_adapter_id(client->adapter),
|
|
client->addr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lm93_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct lm93_data *data;
|
|
int err, func;
|
|
void (*update)(struct lm93_data *, struct i2c_client *);
|
|
|
|
/* choose update routine based on bus capabilities */
|
|
func = i2c_get_functionality(client->adapter);
|
|
if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) &&
|
|
(!disable_block)) {
|
|
dev_dbg(&client->dev, "using SMBus block data transactions\n");
|
|
update = lm93_update_client_full;
|
|
} else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) {
|
|
dev_dbg(&client->dev, "disabled SMBus block data "
|
|
"transactions\n");
|
|
update = lm93_update_client_min;
|
|
} else {
|
|
dev_dbg(&client->dev, "detect failed, "
|
|
"smbus byte and/or word data not supported!\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
data = devm_kzalloc(&client->dev, sizeof(struct lm93_data), GFP_KERNEL);
|
|
if (!data) {
|
|
dev_dbg(&client->dev, "out of memory!\n");
|
|
return -ENOMEM;
|
|
}
|
|
i2c_set_clientdata(client, data);
|
|
|
|
/* housekeeping */
|
|
data->valid = 0;
|
|
data->update = update;
|
|
mutex_init(&data->update_lock);
|
|
|
|
/* initialize the chip */
|
|
lm93_init_client(client);
|
|
|
|
err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Register hwmon driver class */
|
|
data->hwmon_dev = hwmon_device_register(&client->dev);
|
|
if (!IS_ERR(data->hwmon_dev))
|
|
return 0;
|
|
|
|
err = PTR_ERR(data->hwmon_dev);
|
|
dev_err(&client->dev, "error registering hwmon device.\n");
|
|
sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
|
|
return err;
|
|
}
|
|
|
|
static int lm93_remove(struct i2c_client *client)
|
|
{
|
|
struct lm93_data *data = i2c_get_clientdata(client);
|
|
|
|
hwmon_device_unregister(data->hwmon_dev);
|
|
sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id lm93_id[] = {
|
|
{ "lm93", 0 },
|
|
{ "lm94", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, lm93_id);
|
|
|
|
static struct i2c_driver lm93_driver = {
|
|
.class = I2C_CLASS_HWMON,
|
|
.driver = {
|
|
.name = "lm93",
|
|
},
|
|
.probe = lm93_probe,
|
|
.remove = lm93_remove,
|
|
.id_table = lm93_id,
|
|
.detect = lm93_detect,
|
|
.address_list = normal_i2c,
|
|
};
|
|
|
|
module_i2c_driver(lm93_driver);
|
|
|
|
MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
|
|
"Hans J. Koch <hjk@hansjkoch.de>");
|
|
MODULE_DESCRIPTION("LM93 driver");
|
|
MODULE_LICENSE("GPL");
|