| /* |
| lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring |
| |
| Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com> |
| Copyright (c) 2004 Utilitek Systems, Inc. |
| |
| derived in part from lm78.c: |
| Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> |
| |
| derived in part from lm85.c: |
| Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> |
| Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> |
| |
| derived in part from w83l785ts.c: |
| Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org> |
| |
| Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com> |
| Copyright (c) 2005 Aspen Systems, Inc. |
| |
| Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org> |
| Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab |
| |
| Modified for mainline integration by Hans J. Koch <hjk@linutronix.de> |
| Copyright (c) 2007 Hans J. Koch, Linutronix GmbH |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/i2c.h> |
| #include <linux/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/hwmon-vid.h> |
| #include <linux/err.h> |
| #include <linux/delay.h> |
| |
| /* LM93 REGISTER ADDRESSES */ |
| |
| /* miscellaneous */ |
| #define LM93_REG_MFR_ID 0x3e |
| #define LM93_REG_VER 0x3f |
| #define LM93_REG_STATUS_CONTROL 0xe2 |
| #define LM93_REG_CONFIG 0xe3 |
| #define LM93_REG_SLEEP_CONTROL 0xe4 |
| |
| /* alarm values start here */ |
| #define LM93_REG_HOST_ERROR_1 0x48 |
| |
| /* voltage inputs: in1-in16 (nr => 0-15) */ |
| #define LM93_REG_IN(nr) (0x56 + (nr)) |
| #define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2) |
| #define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2) |
| |
| /* temperature inputs: temp1-temp4 (nr => 0-3) */ |
| #define LM93_REG_TEMP(nr) (0x50 + (nr)) |
| #define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2) |
| #define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2) |
| |
| /* temp[1-4]_auto_boost (nr => 0-3) */ |
| #define LM93_REG_BOOST(nr) (0x80 + (nr)) |
| |
| /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */ |
| #define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2) |
| #define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2) |
| #define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr)) |
| |
| /* fan tach inputs: fan1-fan4 (nr => 0-3) */ |
| #define LM93_REG_FAN(nr) (0x6e + (nr) * 2) |
| #define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2) |
| |
| /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */ |
| #define LM93_REG_PWM_CTL(nr,reg) (0xc8 + (reg) + (nr) * 4) |
| #define LM93_PWM_CTL1 0x0 |
| #define LM93_PWM_CTL2 0x1 |
| #define LM93_PWM_CTL3 0x2 |
| #define LM93_PWM_CTL4 0x3 |
| |
| /* GPIO input state */ |
| #define LM93_REG_GPI 0x6b |
| |
| /* vid inputs: vid1-vid2 (nr => 0-1) */ |
| #define LM93_REG_VID(nr) (0x6c + (nr)) |
| |
| /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */ |
| #define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr)) |
| |
| /* temp[1-4]_auto_boost_hyst */ |
| #define LM93_REG_BOOST_HYST_12 0xc0 |
| #define LM93_REG_BOOST_HYST_34 0xc1 |
| #define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2) |
| |
| /* temp[1-4]_auto_pwm_[min|hyst] */ |
| #define LM93_REG_PWM_MIN_HYST_12 0xc3 |
| #define LM93_REG_PWM_MIN_HYST_34 0xc4 |
| #define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2) |
| |
| /* prochot_override & prochot_interval */ |
| #define LM93_REG_PROCHOT_OVERRIDE 0xc6 |
| #define LM93_REG_PROCHOT_INTERVAL 0xc7 |
| |
| /* temp[1-4]_auto_base (nr => 0-3) */ |
| #define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr)) |
| |
| /* temp[1-4]_auto_offsets (step => 0-11) */ |
| #define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step)) |
| |
| /* #PROCHOT & #VRDHOT PWM ramp control */ |
| #define LM93_REG_PWM_RAMP_CTL 0xbf |
| |
| /* miscellaneous */ |
| #define LM93_REG_SFC1 0xbc |
| #define LM93_REG_SFC2 0xbd |
| #define LM93_REG_GPI_VID_CTL 0xbe |
| #define LM93_REG_SF_TACH_TO_PWM 0xe0 |
| |
| /* error masks */ |
| #define LM93_REG_GPI_ERR_MASK 0xec |
| #define LM93_REG_MISC_ERR_MASK 0xed |
| |
| /* LM93 REGISTER VALUES */ |
| #define LM93_MFR_ID 0x73 |
| #define LM93_MFR_ID_PROTOTYPE 0x72 |
| |
| /* SMBus capabilities */ |
| #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \ |
| I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA) |
| #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \ |
| I2C_FUNC_SMBUS_WORD_DATA) |
| |
| /* Addresses to scan */ |
| static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
| |
| /* Insmod parameters */ |
| I2C_CLIENT_INSMOD_1(lm93); |
| |
| static int disable_block; |
| module_param(disable_block, bool, 0); |
| MODULE_PARM_DESC(disable_block, |
| "Set to non-zero to disable SMBus block data transactions."); |
| |
| static int init; |
| module_param(init, bool, 0); |
| MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization."); |
| |
| static int vccp_limit_type[2] = {0,0}; |
| module_param_array(vccp_limit_type, int, NULL, 0); |
| MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes."); |
| |
| static int vid_agtl; |
| module_param(vid_agtl, int, 0); |
| MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds."); |
| |
| /* Driver data */ |
| static struct i2c_driver lm93_driver; |
| |
| /* LM93 BLOCK READ COMMANDS */ |
| static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = { |
| { 0xf2, 8 }, |
| { 0xf3, 8 }, |
| { 0xf4, 6 }, |
| { 0xf5, 16 }, |
| { 0xf6, 4 }, |
| { 0xf7, 8 }, |
| { 0xf8, 12 }, |
| { 0xf9, 32 }, |
| { 0xfa, 8 }, |
| { 0xfb, 8 }, |
| { 0xfc, 16 }, |
| { 0xfd, 9 }, |
| }; |
| |
| /* ALARMS: SYSCTL format described further below |
| REG: 64 bits in 8 registers, as immediately below */ |
| struct block1_t { |
| u8 host_status_1; |
| u8 host_status_2; |
| u8 host_status_3; |
| u8 host_status_4; |
| u8 p1_prochot_status; |
| u8 p2_prochot_status; |
| u8 gpi_status; |
| u8 fan_status; |
| }; |
| |
| /* |
| * Client-specific data |
| */ |
| struct lm93_data { |
| struct device *hwmon_dev; |
| |
| struct mutex update_lock; |
| unsigned long last_updated; /* In jiffies */ |
| |
| /* client update function */ |
| void (*update)(struct lm93_data *, struct i2c_client *); |
| |
| char valid; /* !=0 if following fields are valid */ |
| |
| /* register values, arranged by block read groups */ |
| struct block1_t block1; |
| |
| /* temp1 - temp4: unfiltered readings |
| temp1 - temp2: filtered readings */ |
| u8 block2[6]; |
| |
| /* vin1 - vin16: readings */ |
| u8 block3[16]; |
| |
| /* prochot1 - prochot2: readings */ |
| struct { |
| u8 cur; |
| u8 avg; |
| } block4[2]; |
| |
| /* fan counts 1-4 => 14-bits, LE, *left* justified */ |
| u16 block5[4]; |
| |
| /* block6 has a lot of data we don't need */ |
| struct { |
| u8 min; |
| u8 max; |
| } temp_lim[4]; |
| |
| /* vin1 - vin16: low and high limits */ |
| struct { |
| u8 min; |
| u8 max; |
| } block7[16]; |
| |
| /* fan count limits 1-4 => same format as block5 */ |
| u16 block8[4]; |
| |
| /* pwm control registers (2 pwms, 4 regs) */ |
| u8 block9[2][4]; |
| |
| /* auto/pwm base temp and offset temp registers */ |
| struct { |
| u8 base[4]; |
| u8 offset[12]; |
| } block10; |
| |
| /* master config register */ |
| u8 config; |
| |
| /* VID1 & VID2 => register format, 6-bits, right justified */ |
| u8 vid[2]; |
| |
| /* prochot1 - prochot2: limits */ |
| u8 prochot_max[2]; |
| |
| /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */ |
| u8 vccp_limits[2]; |
| |
| /* GPIO input state (register format, i.e. inverted) */ |
| u8 gpi; |
| |
| /* #PROCHOT override (register format) */ |
| u8 prochot_override; |
| |
| /* #PROCHOT intervals (register format) */ |
| u8 prochot_interval; |
| |
| /* Fan Boost Temperatures (register format) */ |
| u8 boost[4]; |
| |
| /* Fan Boost Hysteresis (register format) */ |
| u8 boost_hyst[2]; |
| |
| /* Temperature Zone Min. PWM & Hysteresis (register format) */ |
| u8 auto_pwm_min_hyst[2]; |
| |
| /* #PROCHOT & #VRDHOT PWM Ramp Control */ |
| u8 pwm_ramp_ctl; |
| |
| /* miscellaneous setup regs */ |
| u8 sfc1; |
| u8 sfc2; |
| u8 sf_tach_to_pwm; |
| |
| /* The two PWM CTL2 registers can read something other than what was |
| last written for the OVR_DC field (duty cycle override). So, we |
| save the user-commanded value here. */ |
| u8 pwm_override[2]; |
| }; |
| |
| /* VID: mV |
| REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 */ |
| static int LM93_VID_FROM_REG(u8 reg) |
| { |
| return vid_from_reg((reg & 0x3f), 100); |
| } |
| |
| /* min, max, and nominal register values, per channel (u8) */ |
| static const u8 lm93_vin_reg_min[16] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, |
| }; |
| static const u8 lm93_vin_reg_max[16] = { |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1, |
| }; |
| /* Values from the datasheet. They're here for documentation only. |
| static const u8 lm93_vin_reg_nom[16] = { |
| 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, |
| 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0, |
| }; |
| */ |
| |
| /* min, max, and nominal voltage readings, per channel (mV)*/ |
| static const unsigned long lm93_vin_val_min[16] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 3000, |
| }; |
| |
| static const unsigned long lm93_vin_val_max[16] = { |
| 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600, |
| 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600, |
| }; |
| /* Values from the datasheet. They're here for documentation only. |
| static const unsigned long lm93_vin_val_nom[16] = { |
| 927, 927, 927, 1200, 1500, 1500, 1200, 1200, |
| 3300, 5000, 2500, 1969, 984, 984, 309, 3300, |
| }; |
| */ |
| |
| static unsigned LM93_IN_FROM_REG(int nr, u8 reg) |
| { |
| const long uV_max = lm93_vin_val_max[nr] * 1000; |
| const long uV_min = lm93_vin_val_min[nr] * 1000; |
| |
| const long slope = (uV_max - uV_min) / |
| (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
| const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; |
| |
| return (slope * reg + intercept + 500) / 1000; |
| } |
| |
| /* IN: mV, limits determined by channel nr |
| REG: scaling determined by channel nr */ |
| static u8 LM93_IN_TO_REG(int nr, unsigned val) |
| { |
| /* range limit */ |
| const long mV = SENSORS_LIMIT(val, |
| lm93_vin_val_min[nr], lm93_vin_val_max[nr]); |
| |
| /* try not to lose too much precision here */ |
| const long uV = mV * 1000; |
| const long uV_max = lm93_vin_val_max[nr] * 1000; |
| const long uV_min = lm93_vin_val_min[nr] * 1000; |
| |
| /* convert */ |
| const long slope = (uV_max - uV_min) / |
| (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
| const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; |
| |
| u8 result = ((uV - intercept + (slope/2)) / slope); |
| result = SENSORS_LIMIT(result, |
| lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]); |
| return result; |
| } |
| |
| /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */ |
| static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid) |
| { |
| const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) : |
| (((reg >> 0 & 0x0f) + 1) * -25000); |
| const long uV_vid = vid * 1000; |
| return (uV_vid + uV_offset + 5000) / 10000; |
| } |
| |
| #define LM93_IN_MIN_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,0,vid) |
| #define LM93_IN_MAX_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,1,vid) |
| |
| /* vid in mV , upper == 0 indicates low limit, otherwise upper limit |
| upper also determines which nibble of the register is returned |
| (the other nibble will be 0x0) */ |
| static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid) |
| { |
| long uV_offset = vid * 1000 - val * 10000; |
| if (upper) { |
| uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000); |
| return (u8)((uV_offset / 12500 - 1) << 4); |
| } else { |
| uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000); |
| return (u8)((uV_offset / -25000 - 1) << 0); |
| } |
| } |
| |
| /* TEMP: 1/1000 degrees C (-128C to +127C) |
| REG: 1C/bit, two's complement */ |
| static int LM93_TEMP_FROM_REG(u8 reg) |
| { |
| return (s8)reg * 1000; |
| } |
| |
| #define LM93_TEMP_MIN (-128000) |
| #define LM93_TEMP_MAX ( 127000) |
| |
| /* TEMP: 1/1000 degrees C (-128C to +127C) |
| REG: 1C/bit, two's complement */ |
| static u8 LM93_TEMP_TO_REG(long temp) |
| { |
| int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX); |
| ntemp += (ntemp<0 ? -500 : 500); |
| return (u8)(ntemp / 1000); |
| } |
| |
| /* Determine 4-bit temperature offset resolution */ |
| static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr) |
| { |
| /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */ |
| return sfc2 & (nr < 2 ? 0x10 : 0x20); |
| } |
| |
| /* This function is common to all 4-bit temperature offsets |
| reg is 4 bits right justified |
| mode 0 => 1C/bit, mode !0 => 0.5C/bit */ |
| static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) |
| { |
| return (reg & 0x0f) * (mode ? 5 : 10); |
| } |
| |
| #define LM93_TEMP_OFFSET_MIN ( 0) |
| #define LM93_TEMP_OFFSET_MAX0 (150) |
| #define LM93_TEMP_OFFSET_MAX1 ( 75) |
| |
| /* This function is common to all 4-bit temperature offsets |
| returns 4 bits right justified |
| mode 0 => 1C/bit, mode !0 => 0.5C/bit */ |
| static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) |
| { |
| int factor = mode ? 5 : 10; |
| |
| off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN, |
| mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); |
| return (u8)((off + factor/2) / factor); |
| } |
| |
| /* 0 <= nr <= 3 */ |
| static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) |
| { |
| /* temp1-temp2 (nr=0,1) use lower nibble */ |
| if (nr < 2) |
| return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); |
| |
| /* temp3-temp4 (nr=2,3) use upper nibble */ |
| else |
| return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); |
| } |
| |
| /* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) |
| REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) |
| 0 <= nr <= 3 */ |
| static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) |
| { |
| u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); |
| |
| /* temp1-temp2 (nr=0,1) use lower nibble */ |
| if (nr < 2) |
| return (old & 0xf0) | (new & 0x0f); |
| |
| /* temp3-temp4 (nr=2,3) use upper nibble */ |
| else |
| return (new << 4 & 0xf0) | (old & 0x0f); |
| } |
| |
| static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, |
| int mode) |
| { |
| u8 reg; |
| |
| switch (nr) { |
| case 0: |
| reg = data->boost_hyst[0] & 0x0f; |
| break; |
| case 1: |
| reg = data->boost_hyst[0] >> 4 & 0x0f; |
| break; |
| case 2: |
| reg = data->boost_hyst[1] & 0x0f; |
| break; |
| case 3: |
| default: |
| reg = data->boost_hyst[1] >> 4 & 0x0f; |
| break; |
| } |
| |
| return LM93_TEMP_FROM_REG(data->boost[nr]) - |
| LM93_TEMP_OFFSET_FROM_REG(reg, mode); |
| } |
| |
| static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst, |
| int nr, int mode) |
| { |
| u8 reg = LM93_TEMP_OFFSET_TO_REG( |
| (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode); |
| |
| switch (nr) { |
| case 0: |
| reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f); |
| break; |
| case 1: |
| reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f); |
| break; |
| case 2: |
| reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f); |
| break; |
| case 3: |
| default: |
| reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f); |
| break; |
| } |
| |
| return reg; |
| } |
| |
| /* PWM: 0-255 per sensors documentation |
| REG: 0-13 as mapped below... right justified */ |
| typedef enum { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ } pwm_freq_t; |
| 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, pwm_freq_t freq) |
| { |
| return lm93_pwm_map[freq][reg & 0x0f]; |
| } |
| |
| /* round up to nearest match */ |
| static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq) |
| { |
| int i; |
| for (i = 0; i < 13; i++) |
| if (pwm <= lm93_pwm_map[freq][i]) |
| break; |
| |
| /* can fall through with i==13 */ |
| return (u8)i; |
| } |
| |
| static int LM93_FAN_FROM_REG(u16 regs) |
| { |
| const u16 count = le16_to_cpu(regs) >> 2; |
| return count==0 ? -1 : count==0x3fff ? 0: 1350000 / count; |
| } |
| |
| /* |
| * RPM: (82.5 to 1350000) |
| * REG: 14-bits, LE, *left* justified |
| */ |
| static u16 LM93_FAN_TO_REG(long rpm) |
| { |
| u16 count, regs; |
| |
| if (rpm == 0) { |
| count = 0x3fff; |
| } else { |
| rpm = SENSORS_LIMIT(rpm, 1, 1000000); |
| count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe); |
| } |
| |
| regs = count << 2; |
| return cpu_to_le16(regs); |
| } |
| |
| /* PWM FREQ: HZ |
| REG: 0-7 as mapped below */ |
| static int lm93_pwm_freq_map[8] = { |
| 22500, 96, 84, 72, 60, 48, 36, 12 |
| }; |
| |
| static int LM93_PWM_FREQ_FROM_REG(u8 reg) |
| { |
| return lm93_pwm_freq_map[reg & 0x07]; |
| } |
| |
| /* round up to nearest match */ |
| static u8 LM93_PWM_FREQ_TO_REG(int freq) |
| { |
| int i; |
| for (i = 7; i > 0; i--) |
| if (freq <= lm93_pwm_freq_map[i]) |
| break; |
| |
| /* can fall through with i==0 */ |
| return (u8)i; |
| } |
| |
| /* TIME: 1/100 seconds |
| * REG: 0-7 as mapped below */ |
| static int lm93_spinup_time_map[8] = { |
| 0, 10, 25, 40, 70, 100, 200, 400, |
| }; |
| |
| static int LM93_SPINUP_TIME_FROM_REG(u8 reg) |
| { |
| return lm93_spinup_time_map[reg >> 5 & 0x07]; |
| } |
| |
| /* round up to nearest match */ |
| static u8 LM93_SPINUP_TIME_TO_REG(int time) |
| { |
| int i; |
| for (i = 0; i < 7; i++) |
| if (time <= lm93_spinup_time_map[i]) |
| break; |
| |
| /* can fall through with i==8 */ |
| return (u8)i; |
| } |
| |
| #define LM93_RAMP_MIN 0 |
| #define LM93_RAMP_MAX 75 |
| |
| static int LM93_RAMP_FROM_REG(u8 reg) |
| { |
| return (reg & 0x0f) * 5; |
| } |
| |
| /* RAMP: 1/100 seconds |
| REG: 50mS/bit 4-bits right justified */ |
| static u8 LM93_RAMP_TO_REG(int ramp) |
| { |
| ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX); |
| return (u8)((ramp + 2) / 5); |
| } |
| |
| /* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6% |
| * REG: (same) */ |
| static u8 LM93_PROCHOT_TO_REG(long prochot) |
| { |
| prochot = SENSORS_LIMIT(prochot, 0, 255); |
| return (u8)prochot; |
| } |
| |
| /* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds) |
| * REG: 0-9 as mapped below */ |
| static int lm93_interval_map[10] = { |
| 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200, |
| }; |
| |
| static int LM93_INTERVAL_FROM_REG(u8 reg) |
| { |
| return lm93_interval_map[reg & 0x0f]; |
| } |
| |
| /* round up to nearest match */ |
| static u8 LM93_INTERVAL_TO_REG(long interval) |
| { |
| int i; |
| for (i = 0; i < 9; i++) |
| if (interval <= lm93_interval_map[i]) |
| break; |
| |
| /* can fall through with i==9 */ |
| return (u8)i; |
| } |
| |
| /* GPIO: 0-255, GPIO0 is LSB |
| * REG: inverted */ |
| static unsigned LM93_GPI_FROM_REG(u8 reg) |
| { |
| return ~reg & 0xff; |
| } |
| |
| /* alarm bitmask definitions |
| The LM93 has nearly 64 bits of error status... I've pared that down to |
| what I think is a useful subset in order to fit it into 32 bits. |
| |
| Especially note that the #VRD_HOT alarms are missing because we provide |
| that information as values in another sysfs file. |
| |
| If libsensors is extended to support 64 bit values, this could be revisited. |
| */ |
| #define LM93_ALARM_IN1 0x00000001 |
| #define LM93_ALARM_IN2 0x00000002 |
| #define LM93_ALARM_IN3 0x00000004 |
| #define LM93_ALARM_IN4 0x00000008 |
| #define LM93_ALARM_IN5 0x00000010 |
| #define LM93_ALARM_IN6 0x00000020 |
| #define LM93_ALARM_IN7 0x00000040 |
| #define LM93_ALARM_IN8 0x00000080 |
| #define LM93_ALARM_IN9 0x00000100 |
| #define LM93_ALARM_IN10 0x00000200 |
| #define LM93_ALARM_IN11 0x00000400 |
| #define LM93_ALARM_IN12 0x00000800 |
| #define LM93_ALARM_IN13 0x00001000 |
| #define LM93_ALARM_IN14 0x00002000 |
| #define LM93_ALARM_IN15 0x00004000 |
| #define LM93_ALARM_IN16 0x00008000 |
| #define LM93_ALARM_FAN1 0x00010000 |
| #define LM93_ALARM_FAN2 0x00020000 |
| #define LM93_ALARM_FAN3 0x00040000 |
| #define LM93_ALARM_FAN4 0x00080000 |
| #define LM93_ALARM_PH1_ERR 0x00100000 |
| #define LM93_ALARM_PH2_ERR 0x00200000 |
| #define LM93_ALARM_SCSI1_ERR 0x00400000 |
| #define LM93_ALARM_SCSI2_ERR 0x00800000 |
| #define LM93_ALARM_DVDDP1_ERR 0x01000000 |
| #define LM93_ALARM_DVDDP2_ERR 0x02000000 |
| #define LM93_ALARM_D1_ERR 0x04000000 |
| #define LM93_ALARM_D2_ERR 0x08000000 |
| #define LM93_ALARM_TEMP1 0x10000000 |
| #define LM93_ALARM_TEMP2 0x20000000 |
| #define LM93_ALARM_TEMP3 0x40000000 |
| |
| static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1) |
| { |
| unsigned result; |
| result = b1.host_status_2 & 0x3f; |
| |
| if (vccp_limit_type[0]) |
| result |= (b1.host_status_4 & 0x10) << 2; |
| else |
| result |= b1.host_status_2 & 0x40; |
| |
| if (vccp_limit_type[1]) |
| result |= (b1.host_status_4 & 0x20) << 2; |
| else |
| result |= b1.host_status_2 & 0x80; |
| |
| result |= b1.host_status_3 << 8; |
| result |= (b1.fan_status & 0x0f) << 16; |
| result |= (b1.p1_prochot_status & 0x80) << 13; |
| result |= (b1.p2_prochot_status & 0x80) << 14; |
| result |= (b1.host_status_4 & 0xfc) << 20; |
| result |= (b1.host_status_1 & 0x07) << 28; |
| return result; |
| } |
| |
| #define MAX_RETRIES 5 |
| |
| static u8 lm93_read_byte(struct i2c_client *client, u8 reg) |
| { |
| int value, i; |
| |
| /* retry in case of read errors */ |
| for (i=1; i<=MAX_RETRIES; i++) { |
| if ((value = i2c_smbus_read_byte_data(client, reg)) >= 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++) { |
| if ((value = i2c_smbus_read_word_data(client, reg)) >= 0) { |
| return value; |
| } else { |
| dev_warn(&client->dev,"lm93: read word data failed, " |
| "address 0x%02x.\n", reg); |
| mdelay(i + 3); |
| } |
| |
| } |
| |
| /* <TODO> what to return in case of error? */ |
| dev_err(&client->dev,"lm93: All read word retries failed!!\n"); |
| return 0; |
| } |
| |
| static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value) |
| { |
| int result; |
| |
| /* <TODO> how to handle write errors? */ |
| result = i2c_smbus_write_word_data(client, reg, value); |
| |
| if (result < 0) |
| dev_warn(&client->dev,"lm93: write word data failed, " |
| "0x%04x at address 0x%02x.\n", value, reg); |
| |
| return result; |
| } |
| |
| static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX]; |
| |
| /* |
| read block data into values, retry if not expected length |
| fbn => index to lm93_block_read_cmds table |
| (Fixed Block Number - section 14.5.2 of LM93 datasheet) |
| */ |
| static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values) |
| { |
| int i, result=0; |
| |
| for (i = 1; i <= MAX_RETRIES; i++) { |
| result = i2c_smbus_read_block_data(client, |
| lm93_block_read_cmds[fbn].cmd, lm93_block_buffer); |
| |
| if (result == lm93_block_read_cmds[fbn].len) { |
| break; |
| } else { |
| dev_warn(&client->dev,"lm93: block read data failed, " |
| "command 0x%02x.\n", |
| lm93_block_read_cmds[fbn].cmd); |
| mdelay(i + 3); |
| } |
| } |
| |
| if (result == lm93_block_read_cmds[fbn].len) { |
| memcpy(values,lm93_block_buffer,lm93_block_read_cmds[fbn].len); |
| } else { |
| /* <TODO> what to do in case of error? */ |
| } |
| } |
| |
| static struct lm93_data *lm93_update_device(struct device *dev) |
| { |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| const unsigned long interval = HZ + (HZ / 2); |
| |
| mutex_lock(&data->update_lock); |
| |
| if (time_after(jiffies, data->last_updated + interval) || |
| !data->valid) { |
| |
| data->update(data, client); |
| data->last_updated = jiffies; |
| data->valid = 1; |
| } |
| |
| mutex_unlock(&data->update_lock); |
| return data; |
| } |
| |
| /* update routine for data that has no corresponding SMBus block command */ |
| static void lm93_update_client_common(struct lm93_data *data, |
| struct i2c_client *client) |
| { |
| int i; |
| u8 *ptr; |
| |
| /* temp1 - temp4: limits */ |
| for (i = 0; i < 4; i++) { |
| data->temp_lim[i].min = |
| lm93_read_byte(client, LM93_REG_TEMP_MIN(i)); |
| data->temp_lim[i].max = |
| lm93_read_byte(client, LM93_REG_TEMP_MAX(i)); |
| } |
| |
| /* config register */ |
| data->config = lm93_read_byte(client, LM93_REG_CONFIG); |
| |
| /* vid1 - vid2: values */ |
| for (i = 0; i < 2; i++) |
| data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i)); |
| |
| /* prochot1 - prochot2: limits */ |
| for (i = 0; i < 2; i++) |
| data->prochot_max[i] = lm93_read_byte(client, |
| LM93_REG_PROCHOT_MAX(i)); |
| |
| /* vccp1 - vccp2: VID relative limits */ |
| for (i = 0; i < 2; i++) |
| data->vccp_limits[i] = lm93_read_byte(client, |
| LM93_REG_VCCP_LIMIT_OFF(i)); |
| |
| /* GPIO input state */ |
| data->gpi = lm93_read_byte(client, LM93_REG_GPI); |
| |
| /* #PROCHOT override state */ |
| data->prochot_override = lm93_read_byte(client, |
| LM93_REG_PROCHOT_OVERRIDE); |
| |
| /* #PROCHOT intervals */ |
| data->prochot_interval = lm93_read_byte(client, |
| LM93_REG_PROCHOT_INTERVAL); |
| |
| /* Fan Boost Temperature registers */ |
| for (i = 0; i < 4; i++) |
| data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); |
| |
| /* Fan Boost Temperature Hyst. registers */ |
| data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12); |
| data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34); |
| |
| /* Temperature Zone Min. PWM & Hysteresis registers */ |
| data->auto_pwm_min_hyst[0] = |
| lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12); |
| data->auto_pwm_min_hyst[1] = |
| lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34); |
| |
| /* #PROCHOT & #VRDHOT PWM Ramp Control register */ |
| data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); |
| |
| /* misc setup registers */ |
| data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1); |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| data->sf_tach_to_pwm = lm93_read_byte(client, |
| LM93_REG_SF_TACH_TO_PWM); |
| |
| /* write back alarm values to clear */ |
| for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) |
| lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i)); |
| } |
| |
| /* update routine which uses SMBus block data commands */ |
| static void lm93_update_client_full(struct lm93_data *data, |
| struct i2c_client *client) |
| { |
| dev_dbg(&client->dev,"starting device update (block data enabled)\n"); |
| |
| /* in1 - in16: values & limits */ |
| lm93_read_block(client, 3, (u8 *)(data->block3)); |
| lm93_read_block(client, 7, (u8 *)(data->block7)); |
| |
| /* temp1 - temp4: values */ |
| lm93_read_block(client, 2, (u8 *)(data->block2)); |
| |
| /* prochot1 - prochot2: values */ |
| lm93_read_block(client, 4, (u8 *)(data->block4)); |
| |
| /* fan1 - fan4: values & limits */ |
| lm93_read_block(client, 5, (u8 *)(data->block5)); |
| lm93_read_block(client, 8, (u8 *)(data->block8)); |
| |
| /* pmw control registers */ |
| lm93_read_block(client, 9, (u8 *)(data->block9)); |
| |
| /* alarm values */ |
| lm93_read_block(client, 1, (u8 *)(&data->block1)); |
| |
| /* auto/pwm registers */ |
| lm93_read_block(client, 10, (u8 *)(&data->block10)); |
| |
| lm93_update_client_common(data, client); |
| } |
| |
| /* update routine which uses SMBus byte/word data commands only */ |
| static void lm93_update_client_min(struct lm93_data *data, |
| struct i2c_client *client) |
| { |
| int i,j; |
| u8 *ptr; |
| |
| dev_dbg(&client->dev,"starting device update (block data disabled)\n"); |
| |
| /* in1 - in16: values & limits */ |
| for (i = 0; i < 16; i++) { |
| data->block3[i] = |
| lm93_read_byte(client, LM93_REG_IN(i)); |
| data->block7[i].min = |
| lm93_read_byte(client, LM93_REG_IN_MIN(i)); |
| data->block7[i].max = |
| lm93_read_byte(client, LM93_REG_IN_MAX(i)); |
| } |
| |
| /* temp1 - temp4: values */ |
| for (i = 0; i < 4; i++) { |
| data->block2[i] = |
| lm93_read_byte(client, LM93_REG_TEMP(i)); |
| } |
| |
| /* prochot1 - prochot2: values */ |
| for (i = 0; i < 2; i++) { |
| data->block4[i].cur = |
| lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i)); |
| data->block4[i].avg = |
| lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i)); |
| } |
| |
| /* fan1 - fan4: values & limits */ |
| for (i = 0; i < 4; i++) { |
| data->block5[i] = |
| lm93_read_word(client, LM93_REG_FAN(i)); |
| data->block8[i] = |
| lm93_read_word(client, LM93_REG_FAN_MIN(i)); |
| } |
| |
| /* pwm control registers */ |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 4; j++) { |
| data->block9[i][j] = |
| lm93_read_byte(client, LM93_REG_PWM_CTL(i,j)); |
| } |
| } |
| |
| /* alarm values */ |
| for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) { |
| *(ptr + i) = |
| lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i); |
| } |
| |
| /* auto/pwm (base temp) registers */ |
| for (i = 0; i < 4; i++) { |
| data->block10.base[i] = |
| lm93_read_byte(client, LM93_REG_TEMP_BASE(i)); |
| } |
| |
| /* auto/pwm (offset temp) registers */ |
| for (i = 0; i < 12; i++) { |
| data->block10.offset[i] = |
| lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i)); |
| } |
| |
| lm93_update_client_common(data, client); |
| } |
| |
| /* following are the sysfs callback functions */ |
| static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr])); |
| } |
| |
| static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0); |
| static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1); |
| static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2); |
| static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3); |
| static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4); |
| static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5); |
| static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6); |
| static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7); |
| static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8); |
| static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9); |
| static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10); |
| static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11); |
| static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12); |
| static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13); |
| static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14); |
| static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15); |
| |
| static ssize_t show_in_min(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| int vccp = nr - 6; |
| long rc, vid; |
| |
| if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { |
| vid = LM93_VID_FROM_REG(data->vid[vccp]); |
| rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid); |
| } |
| else { |
| rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); \ |
| } |
| return sprintf(buf, "%ld\n", rc); \ |
| } |
| |
| static ssize_t store_in_min(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| int vccp = nr - 6; |
| long vid; |
| |
| mutex_lock(&data->update_lock); |
| if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { |
| vid = LM93_VID_FROM_REG(data->vid[vccp]); |
| data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) | |
| LM93_IN_REL_TO_REG(val, 0, vid); |
| lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), |
| data->vccp_limits[vccp]); |
| } |
| else { |
| data->block7[nr].min = LM93_IN_TO_REG(nr,val); |
| lm93_write_byte(client, LM93_REG_IN_MIN(nr), |
| data->block7[nr].min); |
| } |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 0); |
| static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 1); |
| static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 2); |
| static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 3); |
| static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 4); |
| static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 5); |
| static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 6); |
| static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 7); |
| static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 8); |
| static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 9); |
| static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 10); |
| static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 11); |
| static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 12); |
| static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 13); |
| static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 14); |
| static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO, |
| show_in_min, store_in_min, 15); |
| |
| static ssize_t show_in_max(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| int vccp = nr - 6; |
| long rc, vid; |
| |
| if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { |
| vid = LM93_VID_FROM_REG(data->vid[vccp]); |
| rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp],vid); |
| } |
| else { |
| rc = LM93_IN_FROM_REG(nr,data->block7[nr].max); \ |
| } |
| return sprintf(buf,"%ld\n",rc); \ |
| } |
| |
| static ssize_t store_in_max(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| int vccp = nr - 6; |
| long vid; |
| |
| mutex_lock(&data->update_lock); |
| if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { |
| vid = LM93_VID_FROM_REG(data->vid[vccp]); |
| data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) | |
| LM93_IN_REL_TO_REG(val, 1, vid); |
| lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), |
| data->vccp_limits[vccp]); |
| } |
| else { |
| data->block7[nr].max = LM93_IN_TO_REG(nr,val); |
| lm93_write_byte(client, LM93_REG_IN_MAX(nr), |
| data->block7[nr].max); |
| } |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 0); |
| static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 1); |
| static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 2); |
| static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 3); |
| static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 4); |
| static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 5); |
| static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 6); |
| static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 7); |
| static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 8); |
| static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 9); |
| static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 10); |
| static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 11); |
| static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 12); |
| static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 13); |
| static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 14); |
| static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO, |
| show_in_max, store_in_max, 15); |
| |
| static ssize_t show_temp(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block2[nr])); |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); |
| static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); |
| static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); |
| |
| static ssize_t show_temp_min(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].min)); |
| } |
| |
| static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->temp_lim[nr].min = LM93_TEMP_TO_REG(val); |
| lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, |
| show_temp_min, store_temp_min, 0); |
| static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, |
| show_temp_min, store_temp_min, 1); |
| static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, |
| show_temp_min, store_temp_min, 2); |
| |
| static ssize_t show_temp_max(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].max)); |
| } |
| |
| static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->temp_lim[nr].max = LM93_TEMP_TO_REG(val); |
| lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, |
| show_temp_max, store_temp_max, 0); |
| static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, |
| show_temp_max, store_temp_max, 1); |
| static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, |
| show_temp_max, store_temp_max, 2); |
| |
| static ssize_t show_temp_auto_base(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block10.base[nr])); |
| } |
| |
| static ssize_t store_temp_auto_base(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->block10.base[nr] = LM93_TEMP_TO_REG(val); |
| lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO, |
| show_temp_auto_base, store_temp_auto_base, 0); |
| static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO, |
| show_temp_auto_base, store_temp_auto_base, 1); |
| static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO, |
| show_temp_auto_base, store_temp_auto_base, 2); |
| |
| static ssize_t show_temp_auto_boost(struct device *dev, |
| struct device_attribute *attr,char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->boost[nr])); |
| } |
| |
| static ssize_t store_temp_auto_boost(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->boost[nr] = LM93_TEMP_TO_REG(val); |
| lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost, store_temp_auto_boost, 0); |
| static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost, store_temp_auto_boost, 1); |
| static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost, store_temp_auto_boost, 2); |
| |
| static ssize_t show_temp_auto_boost_hyst(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); |
| return sprintf(buf,"%d\n", |
| LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode)); |
| } |
| |
| static ssize_t store_temp_auto_boost_hyst(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| /* force 0.5C/bit mode */ |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); |
| lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); |
| data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1); |
| lm93_write_byte(client, LM93_REG_BOOST_HYST(nr), |
| data->boost_hyst[nr/2]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost_hyst, |
| store_temp_auto_boost_hyst, 0); |
| static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost_hyst, |
| store_temp_auto_boost_hyst, 1); |
| static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_boost_hyst, |
| store_temp_auto_boost_hyst, 2); |
| |
| static ssize_t show_temp_auto_offset(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); |
| int nr = s_attr->index; |
| int ofs = s_attr->nr; |
| struct lm93_data *data = lm93_update_device(dev); |
| int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); |
| return sprintf(buf,"%d\n", |
| LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs], |
| nr,mode)); |
| } |
| |
| static ssize_t store_temp_auto_offset(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); |
| int nr = s_attr->index; |
| int ofs = s_attr->nr; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| /* force 0.5C/bit mode */ |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); |
| lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); |
| data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG( |
| data->block10.offset[ofs], val, nr, 1); |
| lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs), |
| data->block10.offset[ofs]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 4, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 5, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 6, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 7, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 8, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 9, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 10, 0); |
| static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 11, 0); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 4, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 5, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 6, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 7, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 8, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 9, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 10, 1); |
| static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 11, 1); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 0, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 1, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 2, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 3, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 4, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 5, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 6, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 7, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 8, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 9, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 10, 2); |
| static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset, store_temp_auto_offset, 11, 2); |
| |
| static ssize_t show_temp_auto_pwm_min(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| u8 reg, ctl4; |
| struct lm93_data *data = lm93_update_device(dev); |
| reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f; |
| ctl4 = data->block9[nr][LM93_PWM_CTL4]; |
| return sprintf(buf,"%d\n",LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); |
| } |
| |
| static ssize_t store_temp_auto_pwm_min(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 reg, ctl4; |
| |
| mutex_lock(&data->update_lock); |
| reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr)); |
| ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); |
| reg = (reg & 0x0f) | |
| LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : |
| LM93_PWM_MAP_HI_FREQ) << 4; |
| data->auto_pwm_min_hyst[nr/2] = reg; |
| lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO, |
| show_temp_auto_pwm_min, |
| store_temp_auto_pwm_min, 0); |
| static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO, |
| show_temp_auto_pwm_min, |
| store_temp_auto_pwm_min, 1); |
| static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO, |
| show_temp_auto_pwm_min, |
| store_temp_auto_pwm_min, 2); |
| |
| static ssize_t show_temp_auto_offset_hyst(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); |
| return sprintf(buf,"%d\n",LM93_TEMP_OFFSET_FROM_REG( |
| data->auto_pwm_min_hyst[nr/2], mode)); |
| } |
| |
| static ssize_t store_temp_auto_offset_hyst(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 reg; |
| |
| mutex_lock(&data->update_lock); |
| /* force 0.5C/bit mode */ |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); |
| lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); |
| reg = data->auto_pwm_min_hyst[nr/2]; |
| reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f); |
| data->auto_pwm_min_hyst[nr/2] = reg; |
| lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset_hyst, |
| store_temp_auto_offset_hyst, 0); |
| static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset_hyst, |
| store_temp_auto_offset_hyst, 1); |
| static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO, |
| show_temp_auto_offset_hyst, |
| store_temp_auto_offset_hyst, 2); |
| |
| static ssize_t show_fan_input(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr); |
| int nr = s_attr->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| |
| return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block5[nr])); |
| } |
| |
| static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0); |
| static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1); |
| static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2); |
| static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3); |
| |
| static ssize_t show_fan_min(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| |
| return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block8[nr])); |
| } |
| |
| static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->block8[nr] = LM93_FAN_TO_REG(val); |
| lm93_write_word(client,LM93_REG_FAN_MIN(nr),data->block8[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, |
| show_fan_min, store_fan_min, 0); |
| static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, |
| show_fan_min, store_fan_min, 1); |
| static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, |
| show_fan_min, store_fan_min, 2); |
| static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, |
| show_fan_min, store_fan_min, 3); |
| |
| /* some tedious bit-twiddling here to deal with the register format: |
| |
| data->sf_tach_to_pwm: (tach to pwm mapping bits) |
| |
| bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1 |
| |
| data->sfc2: (enable bits) |
| |
| bit | 3 | 2 | 1 | 0 |
| T4 T3 T2 T1 |
| */ |
| |
| static ssize_t show_fan_smart_tach(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| long rc = 0; |
| int mapping; |
| |
| /* extract the relevant mapping */ |
| mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03; |
| |
| /* if there's a mapping and it's enabled */ |
| if (mapping && ((data->sfc2 >> nr) & 0x01)) |
| rc = mapping; |
| return sprintf(buf,"%ld\n",rc); |
| } |
| |
| /* helper function - must grab data->update_lock before calling |
| fan is 0-3, indicating fan1-fan4 */ |
| static void lm93_write_fan_smart_tach(struct i2c_client *client, |
| struct lm93_data *data, int fan, long value) |
| { |
| /* insert the new mapping and write it out */ |
| data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); |
| data->sf_tach_to_pwm &= ~(0x3 << fan * 2); |
| data->sf_tach_to_pwm |= value << fan * 2; |
| lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm); |
| |
| /* insert the enable bit and write it out */ |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| if (value) |
| data->sfc2 |= 1 << fan; |
| else |
| data->sfc2 &= ~(1 << fan); |
| lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); |
| } |
| |
| static ssize_t store_fan_smart_tach(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| /* sanity test, ignore the write otherwise */ |
| if (0 <= val && val <= 2) { |
| /* can't enable if pwm freq is 22.5KHz */ |
| if (val) { |
| u8 ctl4 = lm93_read_byte(client, |
| LM93_REG_PWM_CTL(val-1,LM93_PWM_CTL4)); |
| if ((ctl4 & 0x07) == 0) |
| val = 0; |
| } |
| lm93_write_fan_smart_tach(client, data, nr, val); |
| } |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO, |
| show_fan_smart_tach, store_fan_smart_tach, 0); |
| static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO, |
| show_fan_smart_tach, store_fan_smart_tach, 1); |
| static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO, |
| show_fan_smart_tach, store_fan_smart_tach, 2); |
| static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO, |
| show_fan_smart_tach, store_fan_smart_tach, 3); |
| |
| static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| u8 ctl2, ctl4; |
| long rc; |
| |
| ctl2 = data->block9[nr][LM93_PWM_CTL2]; |
| ctl4 = data->block9[nr][LM93_PWM_CTL4]; |
| if (ctl2 & 0x01) /* show user commanded value if enabled */ |
| rc = data->pwm_override[nr]; |
| else /* show present h/w value if manual pwm disabled */ |
| rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ); |
| return sprintf(buf,"%ld\n",rc); |
| } |
| |
| static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ctl2, ctl4; |
| |
| mutex_lock(&data->update_lock); |
| ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2)); |
| ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); |
| ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val,(ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4; |
| /* save user commanded value */ |
| data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4, |
| (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ : |
| LM93_PWM_MAP_HI_FREQ); |
| lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); |
| static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); |
| |
| static ssize_t show_pwm_enable(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| u8 ctl2; |
| long rc; |
| |
| ctl2 = data->block9[nr][LM93_PWM_CTL2]; |
| if (ctl2 & 0x01) /* manual override enabled ? */ |
| rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1; |
| else |
| rc = 2; |
| return sprintf(buf,"%ld\n",rc); |
| } |
| |
| static ssize_t store_pwm_enable(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ctl2; |
| |
| mutex_lock(&data->update_lock); |
| ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2)); |
| |
| switch (val) { |
| case 0: |
| ctl2 |= 0xF1; /* enable manual override, set PWM to max */ |
| break; |
| case 1: ctl2 |= 0x01; /* enable manual override */ |
| break; |
| case 2: ctl2 &= ~0x01; /* disable manual override */ |
| break; |
| default: |
| mutex_unlock(&data->update_lock); |
| return -EINVAL; |
| } |
| |
| lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, |
| show_pwm_enable, store_pwm_enable, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, |
| show_pwm_enable, store_pwm_enable, 1); |
| |
| static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| u8 ctl4; |
| |
| ctl4 = data->block9[nr][LM93_PWM_CTL4]; |
| return sprintf(buf,"%d\n",LM93_PWM_FREQ_FROM_REG(ctl4)); |
| } |
| |
| /* helper function - must grab data->update_lock before calling |
| pwm is 0-1, indicating pwm1-pwm2 |
| this disables smart tach for all tach channels bound to the given pwm */ |
| static void lm93_disable_fan_smart_tach(struct i2c_client *client, |
| struct lm93_data *data, int pwm) |
| { |
| int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); |
| int mask; |
| |
| /* collapse the mapping into a mask of enable bits */ |
| mapping = (mapping >> pwm) & 0x55; |
| mask = mapping & 0x01; |
| mask |= (mapping & 0x04) >> 1; |
| mask |= (mapping & 0x10) >> 2; |
| mask |= (mapping & 0x40) >> 3; |
| |
| /* disable smart tach according to the mask */ |
| data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); |
| data->sfc2 &= ~mask; |
| lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); |
| } |
| |
| static ssize_t store_pwm_freq(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ctl4; |
| |
| mutex_lock(&data->update_lock); |
| ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); |
| ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val); |
| data->block9[nr][LM93_PWM_CTL4] = ctl4; |
| /* ctl4 == 0 -> 22.5KHz -> disable smart tach */ |
| if (!ctl4) |
| lm93_disable_fan_smart_tach(client, data, nr); |
| lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4), ctl4); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO, |
| show_pwm_freq, store_pwm_freq, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO, |
| show_pwm_freq, store_pwm_freq, 1); |
| |
| static ssize_t show_pwm_auto_channels(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",data->block9[nr][LM93_PWM_CTL1]); |
| } |
| |
| static ssize_t store_pwm_auto_channels(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255); |
| lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL1), |
| data->block9[nr][LM93_PWM_CTL1]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO, |
| show_pwm_auto_channels, store_pwm_auto_channels, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO, |
| show_pwm_auto_channels, store_pwm_auto_channels, 1); |
| |
| static ssize_t show_pwm_auto_spinup_min(struct device *dev, |
| struct device_attribute *attr,char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| u8 ctl3, ctl4; |
| |
| ctl3 = data->block9[nr][LM93_PWM_CTL3]; |
| ctl4 = data->block9[nr][LM93_PWM_CTL4]; |
| return sprintf(buf,"%d\n", |
| LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); |
| } |
| |
| static ssize_t store_pwm_auto_spinup_min(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ctl3, ctl4; |
| |
| mutex_lock(&data->update_lock); |
| ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
| ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); |
| ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? |
| LM93_PWM_MAP_LO_FREQ : |
| LM93_PWM_MAP_HI_FREQ); |
| data->block9[nr][LM93_PWM_CTL3] = ctl3; |
| lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO, |
| show_pwm_auto_spinup_min, |
| store_pwm_auto_spinup_min, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO, |
| show_pwm_auto_spinup_min, |
| store_pwm_auto_spinup_min, 1); |
| |
| static ssize_t show_pwm_auto_spinup_time(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_SPINUP_TIME_FROM_REG( |
| data->block9[nr][LM93_PWM_CTL3])); |
| } |
| |
| static ssize_t store_pwm_auto_spinup_time(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ctl3; |
| |
| mutex_lock(&data->update_lock); |
| ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
| ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0); |
| data->block9[nr][LM93_PWM_CTL3] = ctl3; |
| lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO, |
| show_pwm_auto_spinup_time, |
| store_pwm_auto_spinup_time, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO, |
| show_pwm_auto_spinup_time, |
| store_pwm_auto_spinup_time, 1); |
| |
| static ssize_t show_pwm_auto_prochot_ramp(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n", |
| LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f)); |
| } |
| |
| static ssize_t store_pwm_auto_prochot_ramp(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ramp; |
| |
| mutex_lock(&data->update_lock); |
| ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); |
| ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0); |
| lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR, |
| show_pwm_auto_prochot_ramp, |
| store_pwm_auto_prochot_ramp); |
| |
| static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n", |
| LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f)); |
| } |
| |
| static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 ramp; |
| |
| mutex_lock(&data->update_lock); |
| ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); |
| ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f); |
| lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); |
| mutex_unlock(&data->update_lock); |
| return 0; |
| } |
| |
| static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR, |
| show_pwm_auto_vrdhot_ramp, |
| store_pwm_auto_vrdhot_ramp); |
| |
| static ssize_t show_vid(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_VID_FROM_REG(data->vid[nr])); |
| } |
| |
| static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0); |
| static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1); |
| |
| static ssize_t show_prochot(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",data->block4[nr].cur); |
| } |
| |
| static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0); |
| static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1); |
| |
| static ssize_t show_prochot_avg(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",data->block4[nr].avg); |
| } |
| |
| static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0); |
| static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1); |
| |
| static ssize_t show_prochot_max(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",data->prochot_max[nr]); |
| } |
| |
| static ssize_t store_prochot_max(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val); |
| lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr), |
| data->prochot_max[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO, |
| show_prochot_max, store_prochot_max, 0); |
| static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO, |
| show_prochot_max, store_prochot_max, 1); |
| |
| static const u8 prochot_override_mask[] = { 0x80, 0x40 }; |
| |
| static ssize_t show_prochot_override(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n", |
| (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0); |
| } |
| |
| static ssize_t store_prochot_override(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| if (val) |
| data->prochot_override |= prochot_override_mask[nr]; |
| else |
| data->prochot_override &= (~prochot_override_mask[nr]); |
| lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, |
| data->prochot_override); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO, |
| show_prochot_override, store_prochot_override, 0); |
| static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO, |
| show_prochot_override, store_prochot_override, 1); |
| |
| static ssize_t show_prochot_interval(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| u8 tmp; |
| if (nr==1) |
| tmp = (data->prochot_interval & 0xf0) >> 4; |
| else |
| tmp = data->prochot_interval & 0x0f; |
| return sprintf(buf,"%d\n",LM93_INTERVAL_FROM_REG(tmp)); |
| } |
| |
| static ssize_t store_prochot_interval(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| u8 tmp; |
| |
| mutex_lock(&data->update_lock); |
| tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); |
| if (nr==1) |
| tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4); |
| else |
| tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val); |
| data->prochot_interval = tmp; |
| lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO, |
| show_prochot_interval, store_prochot_interval, 0); |
| static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO, |
| show_prochot_interval, store_prochot_interval, 1); |
| |
| static ssize_t show_prochot_override_duty_cycle(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",data->prochot_override & 0x0f); |
| } |
| |
| static ssize_t store_prochot_override_duty_cycle(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->prochot_override = (data->prochot_override & 0xf0) | |
| SENSORS_LIMIT(val, 0, 15); |
| lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, |
| data->prochot_override); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR, |
| show_prochot_override_duty_cycle, |
| store_prochot_override_duty_cycle); |
| |
| static ssize_t show_prochot_short(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",(data->config & 0x10) ? 1 : 0); |
| } |
| |
| static ssize_t store_prochot_short(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct i2c_client *client = to_i2c_client(dev); |
| struct lm93_data *data = i2c_get_clientdata(client); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| if (val) |
| data->config |= 0x10; |
| else |
| data->config &= ~0x10; |
| lm93_write_byte(client, LM93_REG_CONFIG, data->config); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR, |
| show_prochot_short, store_prochot_short); |
| |
| static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| int nr = (to_sensor_dev_attr(attr))->index; |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n", |
| data->block1.host_status_1 & (1 << (nr+4)) ? 1 : 0); |
| } |
| |
| static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0); |
| static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1); |
| |
| static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_GPI_FROM_REG(data->gpi)); |
| } |
| |
| static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL); |
| |
| static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| struct lm93_data *data = lm93_update_device(dev); |
| return sprintf(buf,"%d\n",LM93_ALARMS_FROM_REG(data->block1)); |
| } |
| |
| static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); |
| |
| static struct attribute *lm93_attrs[] = { |
| &sensor_dev_attr_in1_input.dev_attr.attr, |
| &sensor_dev_attr_in2_input.dev_attr.attr, |
| &sensor_dev_attr_in3_input.dev_attr.attr, |
| &sensor_dev_attr_in4_input.dev_attr.attr, |
| &sensor_dev_attr_in5_input.dev_attr.attr, |
| &sensor_dev_attr_in6_input.dev_attr.attr, |
| &sensor_dev_attr_in7_input.dev_attr.attr, |
| &sensor_dev_attr_in8_input.dev_attr.attr, |
| &sensor_dev_attr_in9_input.dev_attr.attr, |
| &sensor_dev_attr_in10_input.dev_attr.attr, |
| &sensor_dev_attr_in11_input.dev_attr.attr, |
| &sensor_dev_attr_in12_input.dev_attr.attr, |
| &sensor_dev_attr_in13_input.dev_attr.attr, |
| &sensor_dev_attr_in14_input.dev_attr.attr, |
| &sensor_dev_attr_in15_input.dev_attr.attr, |
| &sensor_dev_attr_in16_input.dev_attr.attr, |
| &sensor_dev_attr_in1_min.dev_attr.attr, |
| &sensor_dev_attr_in2_min.dev_attr.attr, |
| &sensor_dev_attr_in3_min.dev_attr.attr, |
| &sensor_dev_attr_in4_min.dev_attr.attr, |
| &sensor_dev_attr_in5_min.dev_attr.attr, |
| &sensor_dev_attr_in6_min.dev_attr.attr, |
| &sensor_dev_attr_in7_min.dev_attr.attr, |
| &sensor_dev_attr_in8_min.dev_attr.attr, |
| &sensor_dev_attr_in9_min.dev_attr.attr, |
| &sensor_dev_attr_in10_min.dev_attr.attr, |
| &sensor_dev_attr_in11_min.dev_attr.attr, |
| &sensor_dev_attr_in12_min.dev_attr.attr, |
| &sensor_dev_attr_in13_min.dev_attr.attr, |
| &sensor_dev_attr_in14_min.dev_attr.attr, |
| &sensor_dev_attr_in15_min.dev_attr.attr, |
| &sensor_dev_attr_in16_min.dev_attr.attr, |
| &sensor_dev_attr_in1_max.dev_attr.attr, |
| &sensor_dev_attr_in2_max.dev_attr.attr, |
| &sensor_dev_attr_in3_max.dev_attr.attr, |
| &sensor_dev_attr_in4_max.dev_attr.attr, |
| &sensor_dev_attr_in5_max.dev_attr.attr, |
| &sensor_dev_attr_in6_max.dev_attr.attr, |
| &sensor_dev_attr_in7_max.dev_attr.attr, |
| &sensor_dev_attr_in8_max.dev_attr.attr, |
| &sensor_dev_attr_in9_max.dev_attr.attr, |
| &sensor_dev_attr_in10_max.dev_attr.attr, |
| &sensor_dev_attr_in11_max.dev_attr.attr, |
| &sensor_dev_attr_in12_max.dev_attr.attr, |
| &sensor_dev_attr_in13_max.dev_attr.attr, |
| &sensor_dev_attr_in14_max.dev_attr.attr, |
| &sensor_dev_attr_in15_max.dev_attr.attr, |
| &sensor_dev_attr_in16_max.dev_attr.attr, |
| &sensor_dev_attr_temp1_input.dev_attr.attr, |
| &sensor_dev_attr_temp2_input.dev_attr.attr, |
| &sensor_dev_attr_temp3_input.dev_attr.attr, |
| &sensor_dev_attr_temp1_min.dev_attr.attr, |
| &sensor_dev_attr_temp2_min.dev_attr.attr, |
| &sensor_dev_attr_temp3_min.dev_attr.attr, |
| &sensor_dev_attr_temp1_max.dev_attr.attr, |
| &sensor_dev_attr_temp2_max.dev_attr.attr, |
| &sensor_dev_attr_temp3_max.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_base.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_base.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_base.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_boost.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_boost.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_boost.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr, |
| &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr, |
| &sensor_dev_attr_fan1_input.dev_attr.attr, |
| &sensor_dev_attr_fan2_input.dev_attr.attr, |
| &sensor_dev_attr_fan3_input.dev_attr.attr, |
| &sensor_dev_attr_fan4_input.dev_attr.attr, |
| &sensor_dev_attr_fan1_min.dev_attr.attr, |
| &sensor_dev_attr_fan2_min.dev_attr.attr, |
| &sensor_dev_attr_fan3_min.dev_attr.attr, |
| &sensor_dev_attr_fan4_min.dev_attr.attr, |
| &sensor_dev_attr_fan1_smart_tach.dev_attr.attr, |
| &sensor_dev_attr_fan2_smart_tach.dev_attr.attr, |
| &sensor_dev_attr_fan3_smart_tach.dev_attr.attr, |
| &sensor_dev_attr_fan4_smart_tach.dev_attr.attr, |
| &sensor_dev_attr_pwm1.dev_attr.attr, |
| &sensor_dev_attr_pwm2.dev_attr.attr, |
| &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
| &sensor_dev_attr_pwm2_freq.dev_attr.attr, |
| &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, |
| &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, |
| &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr, |
| &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr, |
| &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr, |
| &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr, |
| &dev_attr_pwm_auto_prochot_ramp.attr, |
| &dev_attr_pwm_auto_vrdhot_ramp.attr, |
| &sensor_dev_attr_cpu0_vid.dev_attr.attr, |
| &sensor_dev_attr_cpu1_vid.dev_attr.attr, |
| &sensor_dev_attr_prochot1.dev_attr.attr, |
| &sensor_dev_attr_prochot2.dev_attr.attr, |
| &sensor_dev_attr_prochot1_avg.dev_attr.attr, |
| &sensor_dev_attr_prochot2_avg.dev_attr.attr, |
| &sensor_dev_attr_prochot1_max.dev_attr.attr, |
| &sensor_dev_attr_prochot2_max.dev_attr.attr, |
| &sensor_dev_attr_prochot1_override.dev_attr.attr, |
| &sensor_dev_attr_prochot2_override.dev_attr.attr, |
| &sensor_dev_attr_prochot1_interval.dev_attr.attr, |
| &sensor_dev_attr_prochot2_interval.dev_attr.attr, |
| &dev_attr_prochot_override_duty_cycle.attr, |
| &dev_attr_prochot_short.attr, |
| &sensor_dev_attr_vrdhot1.dev_attr.attr, |
| &sensor_dev_attr_vrdhot2.dev_attr.attr, |
| &dev_attr_gpio.attr, |
| &dev_attr_alarms.attr, |
| NULL |
| }; |
| |
| static struct attribute_group lm93_attr_grp = { |
| .attrs = lm93_attrs, |
| }; |
| |
| static void lm93_init_client(struct i2c_client *client) |
| { |
| int i; |
| u8 reg; |
| |
| /* configure VID pin input thresholds */ |
| reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL); |
| lm93_write_byte(client, LM93_REG_GPI_VID_CTL, |
| reg | (vid_agtl ? 0x03 : 0x00)); |
| |
| if (init) { |
| /* enable #ALERT pin */ |
| reg = lm93_read_byte(client, LM93_REG_CONFIG); |
| lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08); |
| |
| /* enable ASF mode for BMC status registers */ |
| reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL); |
| lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02); |
| |
| /* set sleep state to S0 */ |
| lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0); |
| |
| /* unmask #VRDHOT and dynamic VCCP (if nec) error events */ |
| reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK); |
| reg &= ~0x03; |
| reg &= ~(vccp_limit_type[0] ? 0x10 : 0); |
| reg &= ~(vccp_limit_type[1] ? 0x20 : 0); |
| lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg); |
| } |
| |
| /* start monitoring */ |
| reg = lm93_read_byte(client, LM93_REG_CONFIG); |
| lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01); |
| |
| /* spin until ready */ |
| for (i=0; i<20; i++) { |
| msleep(10); |
| if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80) |
| return; |
| } |
| |
| dev_warn(&client->dev,"timed out waiting for sensor " |
| "chip to signal ready!\n"); |
| } |
| |
| /* Return 0 if detection is successful, -ENODEV otherwise */ |
| static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) |
| { |
| struct i2c_adapter *adapter = client->adapter; |
| int mfr, ver; |
| |
| 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); |
| if (ver != LM93_MFR_ID && ver != LM93_MFR_ID_PROTOTYPE) { |
| dev_dbg(&adapter->dev, |
| "detect failed, bad version id 0x%02x!\n", ver); |
| return -ENODEV; |
| } |
| |
| strlcpy(info->type, "lm93", I2C_NAME_SIZE); |
| dev_dbg(&adapter->dev,"loading %s at %d,0x%02x\n", |
| client->name, i2c_adapter_id(client->adapter), |
| client->addr); |
| |
| return 0; |
| } |
| |
| static int lm93_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| struct lm93_data *data; |
| int err, func; |
| void (*update)(struct lm93_data *, struct i2c_client *); |
| |
| /* choose update routine based on bus capabilities */ |
| func = i2c_get_functionality(client->adapter); |
| if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) && |
| (!disable_block)) { |
| dev_dbg(&client->dev, "using SMBus block data transactions\n"); |
| update = lm93_update_client_full; |
| } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) { |
| dev_dbg(&client->dev, "disabled SMBus block data " |
| "transactions\n"); |
| update = lm93_update_client_min; |
| } else { |
| dev_dbg(&client->dev, "detect failed, " |
| "smbus byte and/or word data not supported!\n"); |
| err = -ENODEV; |
| goto err_out; |
| } |
| |
| data = kzalloc(sizeof(struct lm93_data), GFP_KERNEL); |
| if (!data) { |
| dev_dbg(&client->dev, "out of memory!\n"); |
| err = -ENOMEM; |
| goto err_out; |
| } |
| i2c_set_clientdata(client, data); |
| |
| /* housekeeping */ |
| data->valid = 0; |
| data->update = update; |
| mutex_init(&data->update_lock); |
| |
| /* initialize the chip */ |
| lm93_init_client(client); |
| |
| err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp); |
| if (err) |
| goto err_free; |
| |
| /* Register hwmon driver class */ |
| data->hwmon_dev = hwmon_device_register(&client->dev); |
| if ( !IS_ERR(data->hwmon_dev)) |
| return 0; |
| |
| err = PTR_ERR(data->hwmon_dev); |
| dev_err(&client->dev, "error registering hwmon device.\n"); |
| sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); |
| err_free: |
| kfree(data); |
| err_out: |
| return err; |
| } |
| |
| static int lm93_remove(struct i2c_client *client) |
| { |
| struct lm93_data *data = i2c_get_clientdata(client); |
| |
| hwmon_device_unregister(data->hwmon_dev); |
| sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); |
| |
| kfree(data); |
| return 0; |
| } |
| |
| static const struct i2c_device_id lm93_id[] = { |
| { "lm93", lm93 }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(i2c, lm93_id); |
| |
| static struct i2c_driver lm93_driver = { |
| .class = I2C_CLASS_HWMON, |
| .driver = { |
| .name = "lm93", |
| }, |
| .probe = lm93_probe, |
| .remove = lm93_remove, |
| .id_table = lm93_id, |
| .detect = lm93_detect, |
| .address_list = normal_i2c, |
| }; |
| |
| static int __init lm93_init(void) |
| { |
| return i2c_add_driver(&lm93_driver); |
| } |
| |
| static void __exit lm93_exit(void) |
| { |
| i2c_del_driver(&lm93_driver); |
| } |
| |
| MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " |
| "Hans J. Koch <hjk@linutronix.de"); |
| MODULE_DESCRIPTION("LM93 driver"); |
| MODULE_LICENSE("GPL"); |
| |
| module_init(lm93_init); |
| module_exit(lm93_exit); |