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2649 lines
77 KiB
2649 lines
77 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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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 <[email protected]> |
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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 <[email protected]> |
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* |
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* derived in part from lm85.c: |
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* Copyright (c) 2002, 2003 Philip Pokorny <[email protected]> |
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* Copyright (c) 2003 Margit Schubert-While <[email protected]> |
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* |
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* derived in part from w83l785ts.c: |
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* Copyright (c) 2003-2004 Jean Delvare <[email protected]> |
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* |
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* Ported to Linux 2.6 by Eric J. Bowersox <[email protected]> |
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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 <[email protected]> |
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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 <[email protected]> |
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* Copyright (c) 2007 Hans J. Koch, Linutronix GmbH |
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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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#include <linux/jiffies.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 i2c_client *client; |
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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 = clamp_val(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 = clamp_val(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 = clamp_val(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 = clamp_val(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 = clamp_val(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 |
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* mode 0 => 1C/bit, mode !0 => 0.5C/bit |
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*/ |
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static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) |
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{ |
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return (reg & 0x0f) * (mode ? 5 : 10); |
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} |
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#define LM93_TEMP_OFFSET_MIN (0) |
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#define LM93_TEMP_OFFSET_MAX0 (150) |
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#define LM93_TEMP_OFFSET_MAX1 (75) |
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/* |
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* This function is common to all 4-bit temperature offsets |
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* returns 4 bits right justified |
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* mode 0 => 1C/bit, mode !0 => 0.5C/bit |
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*/ |
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static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) |
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{ |
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int factor = mode ? 5 : 10; |
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off = clamp_val(off, LM93_TEMP_OFFSET_MIN, |
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mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); |
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return (u8)((off + factor/2) / factor); |
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} |
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/* 0 <= nr <= 3 */ |
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static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) |
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{ |
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/* temp1-temp2 (nr=0,1) use lower nibble */ |
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if (nr < 2) |
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return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); |
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/* temp3-temp4 (nr=2,3) use upper nibble */ |
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else |
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return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); |
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} |
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/* |
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* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) |
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* REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) |
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* 0 <= nr <= 3 |
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*/ |
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static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) |
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{ |
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u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); |
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/* temp1-temp2 (nr=0,1) use lower nibble */ |
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if (nr < 2) |
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return (old & 0xf0) | (new & 0x0f); |
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|
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/* temp3-temp4 (nr=2,3) use upper nibble */ |
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else |
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return (new << 4 & 0xf0) | (old & 0x0f); |
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} |
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static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, |
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int mode) |
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{ |
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u8 reg; |
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|
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switch (nr) { |
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case 0: |
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reg = data->boost_hyst[0] & 0x0f; |
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break; |
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case 1: |
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reg = data->boost_hyst[0] >> 4 & 0x0f; |
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break; |
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case 2: |
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reg = data->boost_hyst[1] & 0x0f; |
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break; |
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case 3: |
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default: |
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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 = clamp_val(rpm, 1, 1000000); |
|
count = clamp_val((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 = clamp_val(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 = clamp_val(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 lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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 in_show(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_RO(in1_input, in, 0); |
|
static SENSOR_DEVICE_ATTR_RO(in2_input, in, 1); |
|
static SENSOR_DEVICE_ATTR_RO(in3_input, in, 2); |
|
static SENSOR_DEVICE_ATTR_RO(in4_input, in, 3); |
|
static SENSOR_DEVICE_ATTR_RO(in5_input, in, 4); |
|
static SENSOR_DEVICE_ATTR_RO(in6_input, in, 5); |
|
static SENSOR_DEVICE_ATTR_RO(in7_input, in, 6); |
|
static SENSOR_DEVICE_ATTR_RO(in8_input, in, 7); |
|
static SENSOR_DEVICE_ATTR_RO(in9_input, in, 8); |
|
static SENSOR_DEVICE_ATTR_RO(in10_input, in, 9); |
|
static SENSOR_DEVICE_ATTR_RO(in11_input, in, 10); |
|
static SENSOR_DEVICE_ATTR_RO(in12_input, in, 11); |
|
static SENSOR_DEVICE_ATTR_RO(in13_input, in, 12); |
|
static SENSOR_DEVICE_ATTR_RO(in14_input, in, 13); |
|
static SENSOR_DEVICE_ATTR_RO(in15_input, in, 14); |
|
static SENSOR_DEVICE_ATTR_RO(in16_input, in, 15); |
|
|
|
static ssize_t in_min_show(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 in_min_store(struct device *dev, struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(in1_min, in_min, 0); |
|
static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 1); |
|
static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 2); |
|
static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 3); |
|
static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 4); |
|
static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 5); |
|
static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 6); |
|
static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 7); |
|
static SENSOR_DEVICE_ATTR_RW(in9_min, in_min, 8); |
|
static SENSOR_DEVICE_ATTR_RW(in10_min, in_min, 9); |
|
static SENSOR_DEVICE_ATTR_RW(in11_min, in_min, 10); |
|
static SENSOR_DEVICE_ATTR_RW(in12_min, in_min, 11); |
|
static SENSOR_DEVICE_ATTR_RW(in13_min, in_min, 12); |
|
static SENSOR_DEVICE_ATTR_RW(in14_min, in_min, 13); |
|
static SENSOR_DEVICE_ATTR_RW(in15_min, in_min, 14); |
|
static SENSOR_DEVICE_ATTR_RW(in16_min, in_min, 15); |
|
|
|
static ssize_t in_max_show(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 in_max_store(struct device *dev, struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(in1_max, in_max, 0); |
|
static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 1); |
|
static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 2); |
|
static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 3); |
|
static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 4); |
|
static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 5); |
|
static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 6); |
|
static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 7); |
|
static SENSOR_DEVICE_ATTR_RW(in9_max, in_max, 8); |
|
static SENSOR_DEVICE_ATTR_RW(in10_max, in_max, 9); |
|
static SENSOR_DEVICE_ATTR_RW(in11_max, in_max, 10); |
|
static SENSOR_DEVICE_ATTR_RW(in12_max, in_max, 11); |
|
static SENSOR_DEVICE_ATTR_RW(in13_max, in_max, 12); |
|
static SENSOR_DEVICE_ATTR_RW(in14_max, in_max, 13); |
|
static SENSOR_DEVICE_ATTR_RW(in15_max, in_max, 14); |
|
static SENSOR_DEVICE_ATTR_RW(in16_max, in_max, 15); |
|
|
|
static ssize_t temp_show(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_RO(temp1_input, temp, 0); |
|
static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); |
|
static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); |
|
|
|
static ssize_t temp_min_show(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 temp_min_store(struct device *dev, |
|
struct device_attribute *attr, const char *buf, |
|
size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_min, temp_min, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2); |
|
|
|
static ssize_t temp_max_show(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 temp_max_store(struct device *dev, |
|
struct device_attribute *attr, const char *buf, |
|
size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_max, temp_max, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); |
|
|
|
static ssize_t temp_auto_base_show(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 temp_auto_base_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_base, temp_auto_base, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_auto_base, temp_auto_base, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_auto_base, temp_auto_base, 2); |
|
|
|
static ssize_t temp_auto_boost_show(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 temp_auto_boost_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_boost, temp_auto_boost, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost, temp_auto_boost, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost, temp_auto_boost, 2); |
|
|
|
static ssize_t temp_auto_boost_hyst_show(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 temp_auto_boost_hyst_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_boost_hyst, temp_auto_boost_hyst, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost_hyst, temp_auto_boost_hyst, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost_hyst, temp_auto_boost_hyst, 2); |
|
|
|
static ssize_t temp_auto_offset_show(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 temp_auto_offset_store(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 lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_offset1, temp_auto_offset, 0, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset2, temp_auto_offset, 1, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset3, temp_auto_offset, 2, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset4, temp_auto_offset, 3, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset5, temp_auto_offset, 4, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset6, temp_auto_offset, 5, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset7, temp_auto_offset, 6, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset8, temp_auto_offset, 7, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset9, temp_auto_offset, 8, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset10, temp_auto_offset, 9, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset11, temp_auto_offset, 10, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset12, temp_auto_offset, 11, 0); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset1, temp_auto_offset, 0, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset2, temp_auto_offset, 1, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset3, temp_auto_offset, 2, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset4, temp_auto_offset, 3, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset5, temp_auto_offset, 4, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset6, temp_auto_offset, 5, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset7, temp_auto_offset, 6, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset8, temp_auto_offset, 7, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset9, temp_auto_offset, 8, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset10, temp_auto_offset, 9, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset11, temp_auto_offset, 10, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset12, temp_auto_offset, 11, 1); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset1, temp_auto_offset, 0, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset2, temp_auto_offset, 1, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset3, temp_auto_offset, 2, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset4, temp_auto_offset, 3, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset5, temp_auto_offset, 4, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset6, temp_auto_offset, 5, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset7, temp_auto_offset, 6, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset8, temp_auto_offset, 7, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset9, temp_auto_offset, 8, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset10, temp_auto_offset, 9, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset11, temp_auto_offset, 10, 2); |
|
static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset12, temp_auto_offset, 11, 2); |
|
|
|
static ssize_t temp_auto_pwm_min_show(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 temp_auto_pwm_min_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_pwm_min, temp_auto_pwm_min, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_auto_pwm_min, temp_auto_pwm_min, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_auto_pwm_min, temp_auto_pwm_min, 2); |
|
|
|
static ssize_t temp_auto_offset_hyst_show(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 temp_auto_offset_hyst_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(temp1_auto_offset_hyst, temp_auto_offset_hyst, 0); |
|
static SENSOR_DEVICE_ATTR_RW(temp2_auto_offset_hyst, temp_auto_offset_hyst, 1); |
|
static SENSOR_DEVICE_ATTR_RW(temp3_auto_offset_hyst, temp_auto_offset_hyst, 2); |
|
|
|
static ssize_t fan_input_show(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_RO(fan1_input, fan_input, 0); |
|
static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); |
|
static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); |
|
static SENSOR_DEVICE_ATTR_RO(fan4_input, fan_input, 3); |
|
|
|
static ssize_t fan_min_show(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 fan_min_store(struct device *dev, |
|
struct device_attribute *attr, const char *buf, |
|
size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(fan1_min, fan_min, 0); |
|
static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); |
|
static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); |
|
static SENSOR_DEVICE_ATTR_RW(fan4_min, 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 fan_smart_tach_show(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 fan_smart_tach_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(fan1_smart_tach, fan_smart_tach, 0); |
|
static SENSOR_DEVICE_ATTR_RW(fan2_smart_tach, fan_smart_tach, 1); |
|
static SENSOR_DEVICE_ATTR_RW(fan3_smart_tach, fan_smart_tach, 2); |
|
static SENSOR_DEVICE_ATTR_RW(fan4_smart_tach, fan_smart_tach, 3); |
|
|
|
static ssize_t pwm_show(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 pwm_store(struct device *dev, struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm1, pwm, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); |
|
|
|
static ssize_t pwm_enable_show(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 pwm_enable_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm1_enable, pwm_enable, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); |
|
|
|
static ssize_t pwm_freq_show(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 pwm_freq_store(struct device *dev, |
|
struct device_attribute *attr, const char *buf, |
|
size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm1_freq, pwm_freq, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); |
|
|
|
static ssize_t pwm_auto_channels_show(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 pwm_auto_channels_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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] = clamp_val(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_RW(pwm1_auto_channels, pwm_auto_channels, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2_auto_channels, pwm_auto_channels, 1); |
|
|
|
static ssize_t pwm_auto_spinup_min_show(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 pwm_auto_spinup_min_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm1_auto_spinup_min, pwm_auto_spinup_min, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_min, pwm_auto_spinup_min, 1); |
|
|
|
static ssize_t pwm_auto_spinup_time_show(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 pwm_auto_spinup_time_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm1_auto_spinup_time, pwm_auto_spinup_time, 0); |
|
static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_time, pwm_auto_spinup_time, 1); |
|
|
|
static ssize_t pwm_auto_prochot_ramp_show(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 pwm_auto_prochot_ramp_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm_auto_prochot_ramp); |
|
|
|
static ssize_t pwm_auto_vrdhot_ramp_show(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 pwm_auto_vrdhot_ramp_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(pwm_auto_vrdhot_ramp); |
|
|
|
static ssize_t vid_show(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_RO(cpu0_vid, vid, 0); |
|
static SENSOR_DEVICE_ATTR_RO(cpu1_vid, vid, 1); |
|
|
|
static ssize_t prochot_show(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_RO(prochot1, prochot, 0); |
|
static SENSOR_DEVICE_ATTR_RO(prochot2, prochot, 1); |
|
|
|
static ssize_t prochot_avg_show(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_RO(prochot1_avg, prochot_avg, 0); |
|
static SENSOR_DEVICE_ATTR_RO(prochot2_avg, prochot_avg, 1); |
|
|
|
static ssize_t prochot_max_show(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 prochot_max_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(prochot1_max, prochot_max, 0); |
|
static SENSOR_DEVICE_ATTR_RW(prochot2_max, prochot_max, 1); |
|
|
|
static const u8 prochot_override_mask[] = { 0x80, 0x40 }; |
|
|
|
static ssize_t prochot_override_show(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 prochot_override_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(prochot1_override, prochot_override, 0); |
|
static SENSOR_DEVICE_ATTR_RW(prochot2_override, prochot_override, 1); |
|
|
|
static ssize_t prochot_interval_show(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 prochot_interval_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
int nr = (to_sensor_dev_attr(attr))->index; |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(prochot1_interval, prochot_interval, 0); |
|
static SENSOR_DEVICE_ATTR_RW(prochot2_interval, prochot_interval, 1); |
|
|
|
static ssize_t prochot_override_duty_cycle_show(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 prochot_override_duty_cycle_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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) | |
|
clamp_val(val, 0, 15); |
|
lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, |
|
data->prochot_override); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
static DEVICE_ATTR_RW(prochot_override_duty_cycle); |
|
|
|
static ssize_t prochot_short_show(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 prochot_short_store(struct device *dev, |
|
struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
struct lm93_data *data = dev_get_drvdata(dev); |
|
struct i2c_client *client = data->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_RW(prochot_short); |
|
|
|
static ssize_t vrdhot_show(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_RO(vrdhot1, vrdhot, 0); |
|
static SENSOR_DEVICE_ATTR_RO(vrdhot2, vrdhot, 1); |
|
|
|
static ssize_t gpio_show(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_RO(gpio); |
|
|
|
static ssize_t alarms_show(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_RO(alarms); |
|
|
|
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 |
|
}; |
|
|
|
ATTRIBUTE_GROUPS(lm93); |
|
|
|
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) |
|
{ |
|
struct device *dev = &client->dev; |
|
struct lm93_data *data; |
|
struct device *hwmon_dev; |
|
int 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(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(dev, "disabled SMBus block data transactions\n"); |
|
update = lm93_update_client_min; |
|
} else { |
|
dev_dbg(dev, "detect failed, smbus byte and/or word data not supported!\n"); |
|
return -ENODEV; |
|
} |
|
|
|
data = devm_kzalloc(dev, sizeof(struct lm93_data), GFP_KERNEL); |
|
if (!data) |
|
return -ENOMEM; |
|
|
|
/* housekeeping */ |
|
data->client = client; |
|
data->update = update; |
|
mutex_init(&data->update_lock); |
|
|
|
/* initialize the chip */ |
|
lm93_init_client(client); |
|
|
|
hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
|
data, |
|
lm93_groups); |
|
return PTR_ERR_OR_ZERO(hwmon_dev); |
|
} |
|
|
|
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_new = lm93_probe, |
|
.id_table = lm93_id, |
|
.detect = lm93_detect, |
|
.address_list = normal_i2c, |
|
}; |
|
|
|
module_i2c_driver(lm93_driver); |
|
|
|
MODULE_AUTHOR("Mark M. Hoffman <[email protected]>, " |
|
"Hans J. Koch <[email protected]>"); |
|
MODULE_DESCRIPTION("LM93 driver"); |
|
MODULE_LICENSE("GPL");
|
|
|