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![Guenter Roeck](/assets/img/avatar_default.png)
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
1899 lines
59 KiB
C
1899 lines
59 KiB
C
/*
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* adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
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* monitoring
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* Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
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* Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
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*
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* Chip details at:
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*
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* <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/jiffies.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/mutex.h>
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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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static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1 };
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static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1 };
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static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1 };
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static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1 };
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static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
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module_param_array(gpio_input, int, NULL, 0);
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MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
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module_param_array(gpio_output, int, NULL, 0);
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MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
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"outputs");
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module_param_array(gpio_inverted, int, NULL, 0);
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MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
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"inverted");
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module_param_array(gpio_normal, int, NULL, 0);
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MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
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"normal/non-inverted");
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module_param_array(gpio_fan, int, NULL, 0);
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MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
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/* Many ADM1026 constants specified below */
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/* The ADM1026 registers */
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#define ADM1026_REG_CONFIG1 0x00
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#define CFG1_MONITOR 0x01
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#define CFG1_INT_ENABLE 0x02
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#define CFG1_INT_CLEAR 0x04
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#define CFG1_AIN8_9 0x08
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#define CFG1_THERM_HOT 0x10
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#define CFG1_DAC_AFC 0x20
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#define CFG1_PWM_AFC 0x40
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#define CFG1_RESET 0x80
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#define ADM1026_REG_CONFIG2 0x01
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/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
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#define ADM1026_REG_CONFIG3 0x07
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#define CFG3_GPIO16_ENABLE 0x01
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#define CFG3_CI_CLEAR 0x02
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#define CFG3_VREF_250 0x04
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#define CFG3_GPIO16_DIR 0x40
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#define CFG3_GPIO16_POL 0x80
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#define ADM1026_REG_E2CONFIG 0x13
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#define E2CFG_READ 0x01
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#define E2CFG_WRITE 0x02
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#define E2CFG_ERASE 0x04
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#define E2CFG_ROM 0x08
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#define E2CFG_CLK_EXT 0x80
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/*
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* There are 10 general analog inputs and 7 dedicated inputs
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* They are:
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* 0 - 9 = AIN0 - AIN9
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* 10 = Vbat
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* 11 = 3.3V Standby
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* 12 = 3.3V Main
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* 13 = +5V
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* 14 = Vccp (CPU core voltage)
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* 15 = +12V
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* 16 = -12V
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*/
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static u16 ADM1026_REG_IN[] = {
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
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0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
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0x2b, 0x2c, 0x2d, 0x2e, 0x2f
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};
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static u16 ADM1026_REG_IN_MIN[] = {
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0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
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0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
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0x4b, 0x4c, 0x4d, 0x4e, 0x4f
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};
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static u16 ADM1026_REG_IN_MAX[] = {
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
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0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
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0x43, 0x44, 0x45, 0x46, 0x47
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};
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/*
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* Temperatures are:
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* 0 - Internal
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* 1 - External 1
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* 2 - External 2
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*/
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static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
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static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
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static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
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static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
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static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
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static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
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#define ADM1026_REG_FAN(nr) (0x38 + (nr))
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#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
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#define ADM1026_REG_FAN_DIV_0_3 0x02
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#define ADM1026_REG_FAN_DIV_4_7 0x03
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#define ADM1026_REG_DAC 0x04
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#define ADM1026_REG_PWM 0x05
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#define ADM1026_REG_GPIO_CFG_0_3 0x08
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#define ADM1026_REG_GPIO_CFG_4_7 0x09
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#define ADM1026_REG_GPIO_CFG_8_11 0x0a
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#define ADM1026_REG_GPIO_CFG_12_15 0x0b
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/* CFG_16 in REG_CFG3 */
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#define ADM1026_REG_GPIO_STATUS_0_7 0x24
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#define ADM1026_REG_GPIO_STATUS_8_15 0x25
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/* STATUS_16 in REG_STATUS4 */
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#define ADM1026_REG_GPIO_MASK_0_7 0x1c
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#define ADM1026_REG_GPIO_MASK_8_15 0x1d
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/* MASK_16 in REG_MASK4 */
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#define ADM1026_REG_COMPANY 0x16
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#define ADM1026_REG_VERSTEP 0x17
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/* These are the recognized values for the above regs */
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#define ADM1026_COMPANY_ANALOG_DEV 0x41
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#define ADM1026_VERSTEP_GENERIC 0x40
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#define ADM1026_VERSTEP_ADM1026 0x44
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#define ADM1026_REG_MASK1 0x18
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#define ADM1026_REG_MASK2 0x19
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#define ADM1026_REG_MASK3 0x1a
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#define ADM1026_REG_MASK4 0x1b
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#define ADM1026_REG_STATUS1 0x20
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#define ADM1026_REG_STATUS2 0x21
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#define ADM1026_REG_STATUS3 0x22
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#define ADM1026_REG_STATUS4 0x23
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#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
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#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
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#define ADM1026_PWM_MAX 255
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/*
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* Conversions. Rounding and limit checking is only done on the TO_REG
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* variants. Note that you should be a bit careful with which arguments
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* these macros are called: arguments may be evaluated more than once.
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*/
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/*
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* IN are scaled according to built-in resistors. These are the
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* voltages corresponding to 3/4 of full scale (192 or 0xc0)
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* NOTE: The -12V input needs an additional factor to account
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* for the Vref pullup resistor.
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* NEG12_OFFSET = SCALE * Vref / V-192 - Vref
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* = 13875 * 2.50 / 1.875 - 2500
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* = 16000
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*
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* The values in this table are based on Table II, page 15 of the
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* datasheet.
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*/
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static int adm1026_scaling[] = { /* .001 Volts */
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2250, 2250, 2250, 2250, 2250, 2250,
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1875, 1875, 1875, 1875, 3000, 3330,
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3330, 4995, 2250, 12000, 13875
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};
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#define NEG12_OFFSET 16000
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#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
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#define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
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0, 255))
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#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
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/*
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* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
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* and we assume a 2 pulse-per-rev fan tach signal
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* 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
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*/
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#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
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SENSORS_LIMIT(1350000 / ((val) * (div)), \
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1, 254))
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#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
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1350000 / ((val) * (div)))
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#define DIV_FROM_REG(val) (1 << (val))
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#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
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/* Temperature is reported in 1 degC increments */
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#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
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/ 1000, -127, 127))
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#define TEMP_FROM_REG(val) ((val) * 1000)
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#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
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/ 1000, -127, 127))
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#define OFFSET_FROM_REG(val) ((val) * 1000)
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#define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
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#define PWM_FROM_REG(val) (val)
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#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
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#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
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/*
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* Analog output is a voltage, and scaled to millivolts. The datasheet
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* indicates that the DAC could be used to drive the fans, but in our
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* example board (Arima HDAMA) it isn't connected to the fans at all.
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*/
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#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255))
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#define DAC_FROM_REG(val) (((val) * 2500) / 255)
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/*
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* Chip sampling rates
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*
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* Some sensors are not updated more frequently than once per second
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* so it doesn't make sense to read them more often than that.
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* We cache the results and return the saved data if the driver
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* is called again before a second has elapsed.
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*
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* Also, there is significant configuration data for this chip
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* So, we keep the config data up to date in the cache
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* when it is written and only sample it once every 5 *minutes*
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*/
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#define ADM1026_DATA_INTERVAL (1 * HZ)
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#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
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/*
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* We allow for multiple chips in a single system.
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*
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* For each registered ADM1026, we need to keep state information
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* at client->data. The adm1026_data structure is dynamically
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* allocated, when a new client structure is allocated.
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*/
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struct pwm_data {
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u8 pwm;
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u8 enable;
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u8 auto_pwm_min;
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};
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struct adm1026_data {
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struct device *hwmon_dev;
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struct mutex update_lock;
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int valid; /* !=0 if following fields are valid */
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unsigned long last_reading; /* In jiffies */
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unsigned long last_config; /* In jiffies */
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u8 in[17]; /* Register value */
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u8 in_max[17]; /* Register value */
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u8 in_min[17]; /* Register value */
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s8 temp[3]; /* Register value */
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s8 temp_min[3]; /* Register value */
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s8 temp_max[3]; /* Register value */
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s8 temp_tmin[3]; /* Register value */
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s8 temp_crit[3]; /* Register value */
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s8 temp_offset[3]; /* Register value */
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u8 fan[8]; /* Register value */
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u8 fan_min[8]; /* Register value */
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u8 fan_div[8]; /* Decoded value */
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struct pwm_data pwm1; /* Pwm control values */
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u8 vrm; /* VRM version */
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u8 analog_out; /* Register value (DAC) */
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long alarms; /* Register encoding, combined */
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long alarm_mask; /* Register encoding, combined */
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long gpio; /* Register encoding, combined */
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long gpio_mask; /* Register encoding, combined */
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u8 gpio_config[17]; /* Decoded value */
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u8 config1; /* Register value */
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u8 config2; /* Register value */
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u8 config3; /* Register value */
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};
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static int adm1026_probe(struct i2c_client *client,
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const struct i2c_device_id *id);
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static int adm1026_detect(struct i2c_client *client,
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struct i2c_board_info *info);
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static int adm1026_remove(struct i2c_client *client);
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static int adm1026_read_value(struct i2c_client *client, u8 reg);
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static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
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static void adm1026_print_gpio(struct i2c_client *client);
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static void adm1026_fixup_gpio(struct i2c_client *client);
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static struct adm1026_data *adm1026_update_device(struct device *dev);
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static void adm1026_init_client(struct i2c_client *client);
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static const struct i2c_device_id adm1026_id[] = {
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{ "adm1026", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, adm1026_id);
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static struct i2c_driver adm1026_driver = {
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.class = I2C_CLASS_HWMON,
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.driver = {
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.name = "adm1026",
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},
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.probe = adm1026_probe,
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.remove = adm1026_remove,
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.id_table = adm1026_id,
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.detect = adm1026_detect,
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.address_list = normal_i2c,
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};
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static int adm1026_read_value(struct i2c_client *client, u8 reg)
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{
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int res;
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if (reg < 0x80) {
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/* "RAM" locations */
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res = i2c_smbus_read_byte_data(client, reg) & 0xff;
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} else {
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/* EEPROM, do nothing */
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res = 0;
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}
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return res;
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}
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static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
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{
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int res;
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if (reg < 0x80) {
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/* "RAM" locations */
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res = i2c_smbus_write_byte_data(client, reg, value);
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} else {
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/* EEPROM, do nothing */
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res = 0;
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}
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return res;
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}
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static void adm1026_init_client(struct i2c_client *client)
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{
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int value, i;
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struct adm1026_data *data = i2c_get_clientdata(client);
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dev_dbg(&client->dev, "Initializing device\n");
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/* Read chip config */
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data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
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data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
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data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
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/* Inform user of chip config */
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dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
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data->config1);
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if ((data->config1 & CFG1_MONITOR) == 0) {
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dev_dbg(&client->dev, "Monitoring not currently "
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"enabled.\n");
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}
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if (data->config1 & CFG1_INT_ENABLE) {
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dev_dbg(&client->dev, "SMBALERT interrupts are "
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"enabled.\n");
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}
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if (data->config1 & CFG1_AIN8_9) {
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dev_dbg(&client->dev, "in8 and in9 enabled. "
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"temp3 disabled.\n");
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} else {
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dev_dbg(&client->dev, "temp3 enabled. in8 and "
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"in9 disabled.\n");
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}
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if (data->config1 & CFG1_THERM_HOT) {
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dev_dbg(&client->dev, "Automatic THERM, PWM, "
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"and temp limits enabled.\n");
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}
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if (data->config3 & CFG3_GPIO16_ENABLE) {
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dev_dbg(&client->dev, "GPIO16 enabled. THERM "
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"pin disabled.\n");
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} else {
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dev_dbg(&client->dev, "THERM pin enabled. "
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"GPIO16 disabled.\n");
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}
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if (data->config3 & CFG3_VREF_250)
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dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
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else
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dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
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/* Read and pick apart the existing GPIO configuration */
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value = 0;
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for (i = 0; i <= 15; ++i) {
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if ((i & 0x03) == 0) {
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value = adm1026_read_value(client,
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ADM1026_REG_GPIO_CFG_0_3 + i / 4);
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}
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data->gpio_config[i] = value & 0x03;
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value >>= 2;
|
|
}
|
|
data->gpio_config[16] = (data->config3 >> 6) & 0x03;
|
|
|
|
/* ... and then print it */
|
|
adm1026_print_gpio(client);
|
|
|
|
/*
|
|
* If the user asks us to reprogram the GPIO config, then
|
|
* do it now.
|
|
*/
|
|
if (gpio_input[0] != -1 || gpio_output[0] != -1
|
|
|| gpio_inverted[0] != -1 || gpio_normal[0] != -1
|
|
|| gpio_fan[0] != -1) {
|
|
adm1026_fixup_gpio(client);
|
|
}
|
|
|
|
/*
|
|
* WE INTENTIONALLY make no changes to the limits,
|
|
* offsets, pwms, fans and zones. If they were
|
|
* configured, we don't want to mess with them.
|
|
* If they weren't, the default is 100% PWM, no
|
|
* control and will suffice until 'sensors -s'
|
|
* can be run by the user. We DO set the default
|
|
* value for pwm1.auto_pwm_min to its maximum
|
|
* so that enabling automatic pwm fan control
|
|
* without first setting a value for pwm1.auto_pwm_min
|
|
* will not result in potentially dangerous fan speed decrease.
|
|
*/
|
|
data->pwm1.auto_pwm_min = 255;
|
|
/* Start monitoring */
|
|
value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
|
|
/* Set MONITOR, clear interrupt acknowledge and s/w reset */
|
|
value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
|
|
dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
|
|
data->config1 = value;
|
|
adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
|
|
|
|
/* initialize fan_div[] to hardware defaults */
|
|
value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
|
|
(adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
|
|
for (i = 0; i <= 7; ++i) {
|
|
data->fan_div[i] = DIV_FROM_REG(value & 0x03);
|
|
value >>= 2;
|
|
}
|
|
}
|
|
|
|
static void adm1026_print_gpio(struct i2c_client *client)
|
|
{
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
int i;
|
|
|
|
dev_dbg(&client->dev, "GPIO config is:\n");
|
|
for (i = 0; i <= 7; ++i) {
|
|
if (data->config2 & (1 << i)) {
|
|
dev_dbg(&client->dev, "\t%sGP%s%d\n",
|
|
data->gpio_config[i] & 0x02 ? "" : "!",
|
|
data->gpio_config[i] & 0x01 ? "OUT" : "IN",
|
|
i);
|
|
} else {
|
|
dev_dbg(&client->dev, "\tFAN%d\n", i);
|
|
}
|
|
}
|
|
for (i = 8; i <= 15; ++i) {
|
|
dev_dbg(&client->dev, "\t%sGP%s%d\n",
|
|
data->gpio_config[i] & 0x02 ? "" : "!",
|
|
data->gpio_config[i] & 0x01 ? "OUT" : "IN",
|
|
i);
|
|
}
|
|
if (data->config3 & CFG3_GPIO16_ENABLE) {
|
|
dev_dbg(&client->dev, "\t%sGP%s16\n",
|
|
data->gpio_config[16] & 0x02 ? "" : "!",
|
|
data->gpio_config[16] & 0x01 ? "OUT" : "IN");
|
|
} else {
|
|
/* GPIO16 is THERM */
|
|
dev_dbg(&client->dev, "\tTHERM\n");
|
|
}
|
|
}
|
|
|
|
static void adm1026_fixup_gpio(struct i2c_client *client)
|
|
{
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
int i;
|
|
int value;
|
|
|
|
/* Make the changes requested. */
|
|
/*
|
|
* We may need to unlock/stop monitoring or soft-reset the
|
|
* chip before we can make changes. This hasn't been
|
|
* tested much. FIXME
|
|
*/
|
|
|
|
/* Make outputs */
|
|
for (i = 0; i <= 16; ++i) {
|
|
if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
|
|
data->gpio_config[gpio_output[i]] |= 0x01;
|
|
/* if GPIO0-7 is output, it isn't a FAN tach */
|
|
if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
|
|
data->config2 |= 1 << gpio_output[i];
|
|
}
|
|
|
|
/* Input overrides output */
|
|
for (i = 0; i <= 16; ++i) {
|
|
if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
|
|
data->gpio_config[gpio_input[i]] &= ~0x01;
|
|
/* if GPIO0-7 is input, it isn't a FAN tach */
|
|
if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
|
|
data->config2 |= 1 << gpio_input[i];
|
|
}
|
|
|
|
/* Inverted */
|
|
for (i = 0; i <= 16; ++i) {
|
|
if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
|
|
data->gpio_config[gpio_inverted[i]] &= ~0x02;
|
|
}
|
|
|
|
/* Normal overrides inverted */
|
|
for (i = 0; i <= 16; ++i) {
|
|
if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
|
|
data->gpio_config[gpio_normal[i]] |= 0x02;
|
|
}
|
|
|
|
/* Fan overrides input and output */
|
|
for (i = 0; i <= 7; ++i) {
|
|
if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
|
|
data->config2 &= ~(1 << gpio_fan[i]);
|
|
}
|
|
|
|
/* Write new configs to registers */
|
|
adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
|
|
data->config3 = (data->config3 & 0x3f)
|
|
| ((data->gpio_config[16] & 0x03) << 6);
|
|
adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
|
|
for (i = 15, value = 0; i >= 0; --i) {
|
|
value <<= 2;
|
|
value |= data->gpio_config[i] & 0x03;
|
|
if ((i & 0x03) == 0) {
|
|
adm1026_write_value(client,
|
|
ADM1026_REG_GPIO_CFG_0_3 + i/4,
|
|
value);
|
|
value = 0;
|
|
}
|
|
}
|
|
|
|
/* Print the new config */
|
|
adm1026_print_gpio(client);
|
|
}
|
|
|
|
|
|
static struct adm1026_data *adm1026_update_device(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
int i;
|
|
long value, alarms, gpio;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
if (!data->valid
|
|
|| time_after(jiffies,
|
|
data->last_reading + ADM1026_DATA_INTERVAL)) {
|
|
/* Things that change quickly */
|
|
dev_dbg(&client->dev, "Reading sensor values\n");
|
|
for (i = 0; i <= 16; ++i) {
|
|
data->in[i] =
|
|
adm1026_read_value(client, ADM1026_REG_IN[i]);
|
|
}
|
|
|
|
for (i = 0; i <= 7; ++i) {
|
|
data->fan[i] =
|
|
adm1026_read_value(client, ADM1026_REG_FAN(i));
|
|
}
|
|
|
|
for (i = 0; i <= 2; ++i) {
|
|
/*
|
|
* NOTE: temp[] is s8 and we assume 2's complement
|
|
* "conversion" in the assignment
|
|
*/
|
|
data->temp[i] =
|
|
adm1026_read_value(client, ADM1026_REG_TEMP[i]);
|
|
}
|
|
|
|
data->pwm1.pwm = adm1026_read_value(client,
|
|
ADM1026_REG_PWM);
|
|
data->analog_out = adm1026_read_value(client,
|
|
ADM1026_REG_DAC);
|
|
/* GPIO16 is MSbit of alarms, move it to gpio */
|
|
alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
|
|
gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
|
|
alarms &= 0x7f;
|
|
alarms <<= 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
|
|
alarms <<= 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
|
|
alarms <<= 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
|
|
data->alarms = alarms;
|
|
|
|
/* Read the GPIO values */
|
|
gpio |= adm1026_read_value(client,
|
|
ADM1026_REG_GPIO_STATUS_8_15);
|
|
gpio <<= 8;
|
|
gpio |= adm1026_read_value(client,
|
|
ADM1026_REG_GPIO_STATUS_0_7);
|
|
data->gpio = gpio;
|
|
|
|
data->last_reading = jiffies;
|
|
}; /* last_reading */
|
|
|
|
if (!data->valid ||
|
|
time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
|
|
/* Things that don't change often */
|
|
dev_dbg(&client->dev, "Reading config values\n");
|
|
for (i = 0; i <= 16; ++i) {
|
|
data->in_min[i] = adm1026_read_value(client,
|
|
ADM1026_REG_IN_MIN[i]);
|
|
data->in_max[i] = adm1026_read_value(client,
|
|
ADM1026_REG_IN_MAX[i]);
|
|
}
|
|
|
|
value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
|
|
| (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
|
|
<< 8);
|
|
for (i = 0; i <= 7; ++i) {
|
|
data->fan_min[i] = adm1026_read_value(client,
|
|
ADM1026_REG_FAN_MIN(i));
|
|
data->fan_div[i] = DIV_FROM_REG(value & 0x03);
|
|
value >>= 2;
|
|
}
|
|
|
|
for (i = 0; i <= 2; ++i) {
|
|
/*
|
|
* NOTE: temp_xxx[] are s8 and we assume 2's
|
|
* complement "conversion" in the assignment
|
|
*/
|
|
data->temp_min[i] = adm1026_read_value(client,
|
|
ADM1026_REG_TEMP_MIN[i]);
|
|
data->temp_max[i] = adm1026_read_value(client,
|
|
ADM1026_REG_TEMP_MAX[i]);
|
|
data->temp_tmin[i] = adm1026_read_value(client,
|
|
ADM1026_REG_TEMP_TMIN[i]);
|
|
data->temp_crit[i] = adm1026_read_value(client,
|
|
ADM1026_REG_TEMP_THERM[i]);
|
|
data->temp_offset[i] = adm1026_read_value(client,
|
|
ADM1026_REG_TEMP_OFFSET[i]);
|
|
}
|
|
|
|
/* Read the STATUS/alarm masks */
|
|
alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
|
|
gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
|
|
alarms = (alarms & 0x7f) << 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
|
|
alarms <<= 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
|
|
alarms <<= 8;
|
|
alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
|
|
data->alarm_mask = alarms;
|
|
|
|
/* Read the GPIO values */
|
|
gpio |= adm1026_read_value(client,
|
|
ADM1026_REG_GPIO_MASK_8_15);
|
|
gpio <<= 8;
|
|
gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
|
|
data->gpio_mask = gpio;
|
|
|
|
/* Read various values from CONFIG1 */
|
|
data->config1 = adm1026_read_value(client,
|
|
ADM1026_REG_CONFIG1);
|
|
if (data->config1 & CFG1_PWM_AFC) {
|
|
data->pwm1.enable = 2;
|
|
data->pwm1.auto_pwm_min =
|
|
PWM_MIN_FROM_REG(data->pwm1.pwm);
|
|
}
|
|
/* Read the GPIO config */
|
|
data->config2 = adm1026_read_value(client,
|
|
ADM1026_REG_CONFIG2);
|
|
data->config3 = adm1026_read_value(client,
|
|
ADM1026_REG_CONFIG3);
|
|
data->gpio_config[16] = (data->config3 >> 6) & 0x03;
|
|
|
|
value = 0;
|
|
for (i = 0; i <= 15; ++i) {
|
|
if ((i & 0x03) == 0) {
|
|
value = adm1026_read_value(client,
|
|
ADM1026_REG_GPIO_CFG_0_3 + i/4);
|
|
}
|
|
data->gpio_config[i] = value & 0x03;
|
|
value >>= 2;
|
|
}
|
|
|
|
data->last_config = jiffies;
|
|
}; /* last_config */
|
|
|
|
data->valid = 1;
|
|
mutex_unlock(&data->update_lock);
|
|
return data;
|
|
}
|
|
|
|
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
|
|
}
|
|
static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
|
|
}
|
|
static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_min[nr] = INS_TO_REG(nr, val);
|
|
adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
|
|
}
|
|
static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_max[nr] = INS_TO_REG(nr, val);
|
|
adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define in_reg(offset) \
|
|
static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
|
|
NULL, offset); \
|
|
static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
|
|
show_in_min, set_in_min, offset); \
|
|
static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
|
|
show_in_max, set_in_max, offset);
|
|
|
|
|
|
in_reg(0);
|
|
in_reg(1);
|
|
in_reg(2);
|
|
in_reg(3);
|
|
in_reg(4);
|
|
in_reg(5);
|
|
in_reg(6);
|
|
in_reg(7);
|
|
in_reg(8);
|
|
in_reg(9);
|
|
in_reg(10);
|
|
in_reg(11);
|
|
in_reg(12);
|
|
in_reg(13);
|
|
in_reg(14);
|
|
in_reg(15);
|
|
|
|
static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
|
|
NEG12_OFFSET);
|
|
}
|
|
static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
|
|
- NEG12_OFFSET);
|
|
}
|
|
static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
|
|
adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
|
|
- NEG12_OFFSET);
|
|
}
|
|
static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
|
|
adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
|
|
static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
|
|
set_in16_min, 16);
|
|
static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
|
|
set_in16_max, 16);
|
|
|
|
|
|
/* Now add fan read/write functions */
|
|
|
|
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
|
|
data->fan_div[nr]));
|
|
}
|
|
static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
|
|
data->fan_div[nr]));
|
|
}
|
|
static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
|
|
adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
|
|
data->fan_min[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define fan_offset(offset) \
|
|
static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
|
|
offset - 1); \
|
|
static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
|
|
show_fan_min, set_fan_min, offset - 1);
|
|
|
|
fan_offset(1);
|
|
fan_offset(2);
|
|
fan_offset(3);
|
|
fan_offset(4);
|
|
fan_offset(5);
|
|
fan_offset(6);
|
|
fan_offset(7);
|
|
fan_offset(8);
|
|
|
|
/* Adjust fan_min to account for new fan divisor */
|
|
static void fixup_fan_min(struct device *dev, int fan, int old_div)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
int new_min;
|
|
int new_div = data->fan_div[fan];
|
|
|
|
/* 0 and 0xff are special. Don't adjust them */
|
|
if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
|
|
return;
|
|
|
|
new_min = data->fan_min[fan] * old_div / new_div;
|
|
new_min = SENSORS_LIMIT(new_min, 1, 254);
|
|
data->fan_min[fan] = new_min;
|
|
adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
|
|
}
|
|
|
|
/* Now add fan_div read/write functions */
|
|
static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->fan_div[nr]);
|
|
}
|
|
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int orig_div, new_div;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
new_div = DIV_TO_REG(val);
|
|
|
|
mutex_lock(&data->update_lock);
|
|
orig_div = data->fan_div[nr];
|
|
data->fan_div[nr] = DIV_FROM_REG(new_div);
|
|
|
|
if (nr < 4) { /* 0 <= nr < 4 */
|
|
adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
|
|
(DIV_TO_REG(data->fan_div[0]) << 0) |
|
|
(DIV_TO_REG(data->fan_div[1]) << 2) |
|
|
(DIV_TO_REG(data->fan_div[2]) << 4) |
|
|
(DIV_TO_REG(data->fan_div[3]) << 6));
|
|
} else { /* 3 < nr < 8 */
|
|
adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
|
|
(DIV_TO_REG(data->fan_div[4]) << 0) |
|
|
(DIV_TO_REG(data->fan_div[5]) << 2) |
|
|
(DIV_TO_REG(data->fan_div[6]) << 4) |
|
|
(DIV_TO_REG(data->fan_div[7]) << 6));
|
|
}
|
|
|
|
if (data->fan_div[nr] != orig_div)
|
|
fixup_fan_min(dev, nr, orig_div);
|
|
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define fan_offset_div(offset) \
|
|
static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
|
|
show_fan_div, set_fan_div, offset - 1);
|
|
|
|
fan_offset_div(1);
|
|
fan_offset_div(2);
|
|
fan_offset_div(3);
|
|
fan_offset_div(4);
|
|
fan_offset_div(5);
|
|
fan_offset_div(6);
|
|
fan_offset_div(7);
|
|
fan_offset_div(8);
|
|
|
|
/* Temps */
|
|
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
|
|
}
|
|
static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
|
|
}
|
|
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_min[nr] = TEMP_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
|
|
data->temp_min[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
|
|
}
|
|
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_max[nr] = TEMP_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
|
|
data->temp_max[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define temp_reg(offset) \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
|
|
NULL, offset - 1); \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
|
|
show_temp_min, set_temp_min, offset - 1); \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
|
|
show_temp_max, set_temp_max, offset - 1);
|
|
|
|
|
|
temp_reg(1);
|
|
temp_reg(2);
|
|
temp_reg(3);
|
|
|
|
static ssize_t show_temp_offset(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
|
|
}
|
|
static ssize_t set_temp_offset(struct device *dev,
|
|
struct device_attribute *attr, const char *buf,
|
|
size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_offset[nr] = TEMP_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
|
|
data->temp_offset[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define temp_offset_reg(offset) \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
|
|
show_temp_offset, set_temp_offset, offset - 1);
|
|
|
|
temp_offset_reg(1);
|
|
temp_offset_reg(2);
|
|
temp_offset_reg(3);
|
|
|
|
static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(
|
|
ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
|
|
}
|
|
static ssize_t show_temp_auto_point2_temp(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
|
|
ADM1026_FAN_CONTROL_TEMP_RANGE));
|
|
}
|
|
static ssize_t show_temp_auto_point1_temp(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
|
|
}
|
|
static ssize_t set_temp_auto_point1_temp(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_tmin[nr] = TEMP_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
|
|
data->temp_tmin[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define temp_auto_point(offset) \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
|
|
S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
|
|
set_temp_auto_point1_temp, offset - 1); \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
|
|
show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
|
|
show_temp_auto_point2_temp, NULL, offset - 1);
|
|
|
|
temp_auto_point(1);
|
|
temp_auto_point(2);
|
|
temp_auto_point(3);
|
|
|
|
static ssize_t show_temp_crit_enable(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
|
|
}
|
|
static ssize_t set_temp_crit_enable(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
if (val > 1)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
|
|
adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
|
|
mutex_unlock(&data->update_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
#define temp_crit_enable(offset) \
|
|
static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
|
|
show_temp_crit_enable, set_temp_crit_enable);
|
|
|
|
temp_crit_enable(1);
|
|
temp_crit_enable(2);
|
|
temp_crit_enable(3);
|
|
|
|
static ssize_t show_temp_crit(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
|
|
}
|
|
static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
|
|
int nr = sensor_attr->index;
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_crit[nr] = TEMP_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
|
|
data->temp_crit[nr]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
#define temp_crit_reg(offset) \
|
|
static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
|
|
show_temp_crit, set_temp_crit, offset - 1);
|
|
|
|
temp_crit_reg(1);
|
|
temp_crit_reg(2);
|
|
temp_crit_reg(3);
|
|
|
|
static ssize_t show_analog_out_reg(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
|
|
}
|
|
static ssize_t set_analog_out_reg(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->analog_out = DAC_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
|
|
set_analog_out_reg);
|
|
|
|
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
int vid = (data->gpio >> 11) & 0x1f;
|
|
|
|
dev_dbg(dev, "Setting VID from GPIO11-15.\n");
|
|
return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
|
|
}
|
|
|
|
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
|
|
|
|
static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = dev_get_drvdata(dev);
|
|
return sprintf(buf, "%d\n", data->vrm);
|
|
}
|
|
|
|
static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct adm1026_data *data = dev_get_drvdata(dev);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
data->vrm = val;
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
|
|
|
|
static ssize_t show_alarms_reg(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%ld\n", data->alarms);
|
|
}
|
|
|
|
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
|
|
|
|
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
int bitnr = to_sensor_dev_attr(attr)->index;
|
|
return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
|
|
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
|
|
static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
|
|
static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
|
|
static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
|
|
static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
|
|
static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
|
|
static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
|
|
static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
|
|
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
|
|
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
|
|
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
|
|
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
|
|
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
|
|
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
|
|
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
|
|
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
|
|
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
|
|
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
|
|
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
|
|
static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
|
|
static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
|
|
static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
|
|
static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
|
|
static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
|
|
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
|
|
static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
|
|
static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
|
|
|
|
static ssize_t show_alarm_mask(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%ld\n", data->alarm_mask);
|
|
}
|
|
static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
unsigned long mask;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->alarm_mask = val & 0x7fffffff;
|
|
mask = data->alarm_mask
|
|
| (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
|
|
adm1026_write_value(client, ADM1026_REG_MASK1,
|
|
mask & 0xff);
|
|
mask >>= 8;
|
|
adm1026_write_value(client, ADM1026_REG_MASK2,
|
|
mask & 0xff);
|
|
mask >>= 8;
|
|
adm1026_write_value(client, ADM1026_REG_MASK3,
|
|
mask & 0xff);
|
|
mask >>= 8;
|
|
adm1026_write_value(client, ADM1026_REG_MASK4,
|
|
mask & 0xff);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
|
|
set_alarm_mask);
|
|
|
|
|
|
static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%ld\n", data->gpio);
|
|
}
|
|
static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long gpio;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->gpio = val & 0x1ffff;
|
|
gpio = data->gpio;
|
|
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
|
|
gpio >>= 8;
|
|
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
|
|
gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
|
|
adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
|
|
|
|
static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%ld\n", data->gpio_mask);
|
|
}
|
|
static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
long mask;
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->gpio_mask = val & 0x1ffff;
|
|
mask = data->gpio_mask;
|
|
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
|
|
mask >>= 8;
|
|
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
|
|
mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
|
|
adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
|
|
|
|
static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
|
|
}
|
|
|
|
static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
|
|
if (data->pwm1.enable == 1) {
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->pwm1.pwm = PWM_TO_REG(val);
|
|
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
|
|
mutex_unlock(&data->update_lock);
|
|
}
|
|
return count;
|
|
}
|
|
|
|
static ssize_t show_auto_pwm_min(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
|
|
}
|
|
|
|
static ssize_t set_auto_pwm_min(struct device *dev,
|
|
struct device_attribute *attr, const char *buf,
|
|
size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
|
|
if (data->pwm1.enable == 2) { /* apply immediately */
|
|
data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
|
|
PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
|
|
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t show_auto_pwm_max(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
|
|
}
|
|
|
|
static ssize_t show_pwm_enable(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adm1026_data *data = adm1026_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->pwm1.enable);
|
|
}
|
|
|
|
static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
int old_enable;
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
if (val >= 3)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
old_enable = data->pwm1.enable;
|
|
data->pwm1.enable = val;
|
|
data->config1 = (data->config1 & ~CFG1_PWM_AFC)
|
|
| ((val == 2) ? CFG1_PWM_AFC : 0);
|
|
adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
|
|
if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
|
|
data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
|
|
PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
|
|
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
|
|
} else if (!((old_enable == 1) && (val == 1))) {
|
|
/* set pwm to safe value */
|
|
data->pwm1.pwm = 255;
|
|
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
|
|
}
|
|
mutex_unlock(&data->update_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
/* enable PWM fan control */
|
|
static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
|
|
static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
|
|
static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
|
|
static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
|
|
set_pwm_enable);
|
|
static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
|
|
set_pwm_enable);
|
|
static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
|
|
set_pwm_enable);
|
|
static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
|
|
show_auto_pwm_min, set_auto_pwm_min);
|
|
static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
|
|
show_auto_pwm_min, set_auto_pwm_min);
|
|
static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
|
|
show_auto_pwm_min, set_auto_pwm_min);
|
|
|
|
static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
|
|
static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
|
|
static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
|
|
|
|
static struct attribute *adm1026_attributes[] = {
|
|
&sensor_dev_attr_in0_input.dev_attr.attr,
|
|
&sensor_dev_attr_in0_max.dev_attr.attr,
|
|
&sensor_dev_attr_in0_min.dev_attr.attr,
|
|
&sensor_dev_attr_in0_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in1_input.dev_attr.attr,
|
|
&sensor_dev_attr_in1_max.dev_attr.attr,
|
|
&sensor_dev_attr_in1_min.dev_attr.attr,
|
|
&sensor_dev_attr_in1_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in2_input.dev_attr.attr,
|
|
&sensor_dev_attr_in2_max.dev_attr.attr,
|
|
&sensor_dev_attr_in2_min.dev_attr.attr,
|
|
&sensor_dev_attr_in2_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in3_input.dev_attr.attr,
|
|
&sensor_dev_attr_in3_max.dev_attr.attr,
|
|
&sensor_dev_attr_in3_min.dev_attr.attr,
|
|
&sensor_dev_attr_in3_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in4_input.dev_attr.attr,
|
|
&sensor_dev_attr_in4_max.dev_attr.attr,
|
|
&sensor_dev_attr_in4_min.dev_attr.attr,
|
|
&sensor_dev_attr_in4_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in5_input.dev_attr.attr,
|
|
&sensor_dev_attr_in5_max.dev_attr.attr,
|
|
&sensor_dev_attr_in5_min.dev_attr.attr,
|
|
&sensor_dev_attr_in5_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in6_input.dev_attr.attr,
|
|
&sensor_dev_attr_in6_max.dev_attr.attr,
|
|
&sensor_dev_attr_in6_min.dev_attr.attr,
|
|
&sensor_dev_attr_in6_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in7_input.dev_attr.attr,
|
|
&sensor_dev_attr_in7_max.dev_attr.attr,
|
|
&sensor_dev_attr_in7_min.dev_attr.attr,
|
|
&sensor_dev_attr_in7_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in10_input.dev_attr.attr,
|
|
&sensor_dev_attr_in10_max.dev_attr.attr,
|
|
&sensor_dev_attr_in10_min.dev_attr.attr,
|
|
&sensor_dev_attr_in10_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in11_input.dev_attr.attr,
|
|
&sensor_dev_attr_in11_max.dev_attr.attr,
|
|
&sensor_dev_attr_in11_min.dev_attr.attr,
|
|
&sensor_dev_attr_in11_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in12_input.dev_attr.attr,
|
|
&sensor_dev_attr_in12_max.dev_attr.attr,
|
|
&sensor_dev_attr_in12_min.dev_attr.attr,
|
|
&sensor_dev_attr_in12_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in13_input.dev_attr.attr,
|
|
&sensor_dev_attr_in13_max.dev_attr.attr,
|
|
&sensor_dev_attr_in13_min.dev_attr.attr,
|
|
&sensor_dev_attr_in13_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in14_input.dev_attr.attr,
|
|
&sensor_dev_attr_in14_max.dev_attr.attr,
|
|
&sensor_dev_attr_in14_min.dev_attr.attr,
|
|
&sensor_dev_attr_in14_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in15_input.dev_attr.attr,
|
|
&sensor_dev_attr_in15_max.dev_attr.attr,
|
|
&sensor_dev_attr_in15_min.dev_attr.attr,
|
|
&sensor_dev_attr_in15_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in16_input.dev_attr.attr,
|
|
&sensor_dev_attr_in16_max.dev_attr.attr,
|
|
&sensor_dev_attr_in16_min.dev_attr.attr,
|
|
&sensor_dev_attr_in16_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan5_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan5_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan5_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan5_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan6_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan6_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan6_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan6_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan7_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan7_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan7_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan7_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_fan8_input.dev_attr.attr,
|
|
&sensor_dev_attr_fan8_div.dev_attr.attr,
|
|
&sensor_dev_attr_fan8_min.dev_attr.attr,
|
|
&sensor_dev_attr_fan8_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_offset.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_offset.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_crit.dev_attr.attr,
|
|
&sensor_dev_attr_temp2_crit.dev_attr.attr,
|
|
&dev_attr_temp1_crit_enable.attr,
|
|
&dev_attr_temp2_crit_enable.attr,
|
|
&dev_attr_cpu0_vid.attr,
|
|
&dev_attr_vrm.attr,
|
|
&dev_attr_alarms.attr,
|
|
&dev_attr_alarm_mask.attr,
|
|
&dev_attr_gpio.attr,
|
|
&dev_attr_gpio_mask.attr,
|
|
&dev_attr_pwm1.attr,
|
|
&dev_attr_pwm2.attr,
|
|
&dev_attr_pwm3.attr,
|
|
&dev_attr_pwm1_enable.attr,
|
|
&dev_attr_pwm2_enable.attr,
|
|
&dev_attr_pwm3_enable.attr,
|
|
&dev_attr_temp1_auto_point1_pwm.attr,
|
|
&dev_attr_temp2_auto_point1_pwm.attr,
|
|
&dev_attr_temp1_auto_point2_pwm.attr,
|
|
&dev_attr_temp2_auto_point2_pwm.attr,
|
|
&dev_attr_analog_out.attr,
|
|
NULL
|
|
};
|
|
|
|
static const struct attribute_group adm1026_group = {
|
|
.attrs = adm1026_attributes,
|
|
};
|
|
|
|
static struct attribute *adm1026_attributes_temp3[] = {
|
|
&sensor_dev_attr_temp3_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_min.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_offset.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp3_crit.dev_attr.attr,
|
|
&dev_attr_temp3_crit_enable.attr,
|
|
&dev_attr_temp3_auto_point1_pwm.attr,
|
|
&dev_attr_temp3_auto_point2_pwm.attr,
|
|
NULL
|
|
};
|
|
|
|
static const struct attribute_group adm1026_group_temp3 = {
|
|
.attrs = adm1026_attributes_temp3,
|
|
};
|
|
|
|
static struct attribute *adm1026_attributes_in8_9[] = {
|
|
&sensor_dev_attr_in8_input.dev_attr.attr,
|
|
&sensor_dev_attr_in8_max.dev_attr.attr,
|
|
&sensor_dev_attr_in8_min.dev_attr.attr,
|
|
&sensor_dev_attr_in8_alarm.dev_attr.attr,
|
|
&sensor_dev_attr_in9_input.dev_attr.attr,
|
|
&sensor_dev_attr_in9_max.dev_attr.attr,
|
|
&sensor_dev_attr_in9_min.dev_attr.attr,
|
|
&sensor_dev_attr_in9_alarm.dev_attr.attr,
|
|
NULL
|
|
};
|
|
|
|
static const struct attribute_group adm1026_group_in8_9 = {
|
|
.attrs = adm1026_attributes_in8_9,
|
|
};
|
|
|
|
/* Return 0 if detection is successful, -ENODEV otherwise */
|
|
static int adm1026_detect(struct i2c_client *client,
|
|
struct i2c_board_info *info)
|
|
{
|
|
struct i2c_adapter *adapter = client->adapter;
|
|
int address = client->addr;
|
|
int company, verstep;
|
|
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
|
|
/* We need to be able to do byte I/O */
|
|
return -ENODEV;
|
|
};
|
|
|
|
/* Now, we do the remaining detection. */
|
|
|
|
company = adm1026_read_value(client, ADM1026_REG_COMPANY);
|
|
verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
|
|
|
|
dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
|
|
" COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
|
|
i2c_adapter_id(client->adapter), client->addr,
|
|
company, verstep);
|
|
|
|
/* Determine the chip type. */
|
|
dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
|
|
i2c_adapter_id(adapter), address);
|
|
if (company == ADM1026_COMPANY_ANALOG_DEV
|
|
&& verstep == ADM1026_VERSTEP_ADM1026) {
|
|
/* Analog Devices ADM1026 */
|
|
} else if (company == ADM1026_COMPANY_ANALOG_DEV
|
|
&& (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
|
|
dev_err(&adapter->dev, "Unrecognized stepping "
|
|
"0x%02x. Defaulting to ADM1026.\n", verstep);
|
|
} else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
|
|
dev_err(&adapter->dev, "Found version/stepping "
|
|
"0x%02x. Assuming generic ADM1026.\n",
|
|
verstep);
|
|
} else {
|
|
dev_dbg(&adapter->dev, "Autodetection failed\n");
|
|
/* Not an ADM1026... */
|
|
return -ENODEV;
|
|
}
|
|
|
|
strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adm1026_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct adm1026_data *data;
|
|
int err;
|
|
|
|
data = devm_kzalloc(&client->dev, sizeof(struct adm1026_data),
|
|
GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(client, data);
|
|
mutex_init(&data->update_lock);
|
|
|
|
/* Set the VRM version */
|
|
data->vrm = vid_which_vrm();
|
|
|
|
/* Initialize the ADM1026 chip */
|
|
adm1026_init_client(client);
|
|
|
|
/* Register sysfs hooks */
|
|
err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
|
|
if (err)
|
|
return err;
|
|
if (data->config1 & CFG1_AIN8_9)
|
|
err = sysfs_create_group(&client->dev.kobj,
|
|
&adm1026_group_in8_9);
|
|
else
|
|
err = sysfs_create_group(&client->dev.kobj,
|
|
&adm1026_group_temp3);
|
|
if (err)
|
|
goto exitremove;
|
|
|
|
data->hwmon_dev = hwmon_device_register(&client->dev);
|
|
if (IS_ERR(data->hwmon_dev)) {
|
|
err = PTR_ERR(data->hwmon_dev);
|
|
goto exitremove;
|
|
}
|
|
|
|
return 0;
|
|
|
|
/* Error out and cleanup code */
|
|
exitremove:
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group);
|
|
if (data->config1 & CFG1_AIN8_9)
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
|
|
else
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
|
|
return err;
|
|
}
|
|
|
|
static int adm1026_remove(struct i2c_client *client)
|
|
{
|
|
struct adm1026_data *data = i2c_get_clientdata(client);
|
|
hwmon_device_unregister(data->hwmon_dev);
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group);
|
|
if (data->config1 & CFG1_AIN8_9)
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
|
|
else
|
|
sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
|
|
return 0;
|
|
}
|
|
|
|
module_i2c_driver(adm1026_driver);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
|
|
"Justin Thiessen <jthiessen@penguincomputing.com>");
|
|
MODULE_DESCRIPTION("ADM1026 driver");
|