1005 lines
32 KiB
C
1005 lines
32 KiB
C
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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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#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/err.h>
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#include <linux/mutex.h>
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#include <linux/delay.h>
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//#include "I2CHostCommunication.h"
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#define USE_SMBUS 1
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#define FAN_NUM 4
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#define PSU_NUM 2
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struct __attribute__ ((__packed__)) psoc_psu_layout {
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u16 psu1_iin;
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u16 psu2_iin;
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u16 psu1_iout;
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u16 psu2_iout;
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u16 psu1_pin;
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u16 psu2_pin;
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u16 psu1_pout;
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u16 psu2_pout;
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u16 psu1_vin;
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u16 psu2_vin;
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u16 psu1_vout;
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u16 psu2_vout;
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u8 psu1_vendor[16];
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u8 psu2_vendor[16];
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u8 psu1_model[20];
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u8 psu2_model[20];
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u8 psu1_version[8];
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u8 psu2_version[8];
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u8 psu1_date[6];
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u8 psu2_date[6];
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u8 psu1_sn[20];
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u8 psu2_sn[20];
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};
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struct __attribute__ ((__packed__)) psoc_layout {
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u8 ctl; //offset: 0
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u16 switch_temp; //offset: 1
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u8 reserve0; //offset: 3
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u8 fw_upgrade; //offset: 4
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//i2c bridge
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u8 i2c_st; //offset: 5
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u8 i2c_ctl; //offset: 6
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u8 i2c_addr; //offset: 7
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u8 i2c_data[0x20]; //offset: 8
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//gpo
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u8 led_ctl; //offset: 28
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u8 gpio; //offset: 29
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//pwm duty
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u8 pwm[FAN_NUM]; //offset: 2a
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u8 pwm_psu[PSU_NUM]; //offset: 2e
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//fan rpm
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u16 fan[FAN_NUM*2]; //offset: 30
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u8 reserve1[4]; //offset: 40
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//gpi
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u8 gpi_fan; //offset: 44
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//psu state
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u8 psu_state; //offset: 45
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//temperature
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u16 temp[5]; //offset: 46
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u16 temp_psu[PSU_NUM]; //offset: 50
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//version
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u8 version[2]; //offset: 54
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u8 reserve2[4]; //offset: 56
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struct psoc_psu_layout psu_info; //offset: 5a
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};
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/* definition */
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/* definition */
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#define PSOC_OFF(m) offsetof(struct psoc_layout, m)
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#define PSOC_PSU_OFF(m) offsetof(struct psoc_psu_layout, m)
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#define SWITCH_TMP_OFFSET PSOC_OFF(switch_temp)
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#define PWM_OFFSET PSOC_OFF(pwm)
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#define THERMAL_OFFSET PSOC_OFF(temp)
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#define RPM_OFFSET PSOC_OFF(fan)
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#define DIAG_FLAG_OFFSET PSOC_OFF(ctl)
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#define FAN_LED_OFFSET PSOC_OFF(led_ctl)
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#define FAN_GPI_OFFSET PSOC_OFF(gpi_fan)
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#define PSOC_PSU_OFFSET PSOC_OFF(psu_state)
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#define VERSION_OFFSET PSOC_OFF(version)
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#define PSU_INFO_OFFSET PSOC_OFF(psu_info)
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/* Each client has this additional data */
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struct psoc_data {
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struct device *hwmon_dev;
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struct mutex update_lock;
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u32 diag;
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};
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/*-----------------------------------------------------------------------*/
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static ssize_t psoc_i2c_read(struct i2c_client *client, u8 *buf, u8 offset, size_t count)
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{
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#if USE_SMBUS
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int i;
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for(i=0; i<count; i++) {
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buf[i] = i2c_smbus_read_byte_data(client, offset+i);
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}
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return count;
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#else
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struct i2c_msg msg[2];
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char msgbuf[2];
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int status;
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memset(msg, 0, sizeof(msg));
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msgbuf[0] = offset;
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msg[0].addr = client->addr;
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msg[0].buf = msgbuf;
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msg[0].len = 1;
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msg[1].addr = client->addr;
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msg[1].flags = I2C_M_RD;
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msg[1].buf = buf;
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msg[1].len = count;
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status = i2c_transfer(client->adapter, msg, 2);
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if(status == 2)
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status = count;
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return status;
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#endif
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}
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static ssize_t psoc_i2c_write(struct i2c_client *client, char *buf, unsigned offset, size_t count)
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{
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#if USE_SMBUS
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int i;
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for(i=0; i<count; i++) {
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i2c_smbus_write_byte_data(client, offset+i, buf[i]);
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}
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return count;
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#else
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struct i2c_msg msg;
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int status;
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u8 writebuf[256];
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int i = 0;
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msg.addr = client->addr;
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msg.flags = 0;
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/* msg.buf is u8 and casts will mask the values */
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msg.buf = writebuf;
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msg.buf[i++] = offset;
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memcpy(&msg.buf[i], buf, count);
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msg.len = i + count;
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status = i2c_transfer(client->adapter, &msg, 1);
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if (status == 1)
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status = count;
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return status;
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#endif
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}
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#if 0
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static u32 psoc_read32(struct i2c_client *client, u8 offset)
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{
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u32 value = 0;
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u8 buf[4];
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if( psoc_i2c_read(client, buf, offset, 4) == 4)
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value = (buf[0]<<24 | buf[1]<<16 | buf[2]<<8 | buf[3]);
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return value;
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}
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#endif
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static u16 psoc_read16(struct i2c_client *client, u8 offset)
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{
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u16 value = 0;
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u8 buf[2];
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if(psoc_i2c_read(client, buf, offset, 2) == 2)
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value = (buf[0]<<8 | buf[1]<<0);
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return value;
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}
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static u8 psoc_read8(struct i2c_client *client, u8 offset)
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{
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u8 value = 0;
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u8 buf = 0;
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if(psoc_i2c_read(client, &buf, offset, 1) == 1)
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value = buf;
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return value;
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}
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//PSOC i2c bridge regsters
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#define PSOC_I2C_STATUS 0x05
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#define PSOC_I2C_CNTRL 0x06
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#define PSOC_I2C_ADDR 0x07
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#define PSOC_I2C_DATA 0x08
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//status bit definition
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#define PSOC_I2C_START (1 << 0)
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#define PSOC_PMB_SEL (1 << 7)
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//addr bits definition
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#define PSOC_I2C_READ (1 << 0)
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//PMBUS registers definition
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#define PMBUS_READ_VIN (0x88)
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#define PMBUS_READ_IIN (0x89)
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#define PMBUS_READ_VOUT (0x8B)
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#define PMBUS_READ_IOUT (0x8C)
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#define PMBUS_READ_POUT (0x96)
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#define PMBUS_READ_PIN (0x97)
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#define PMBUS_MFR_ID (0x99)
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#define PMBUS_MFR_MODEL (0x9A)
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#define PMBUS_MFR_REVISION (0x9B)
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#define PMBUS_MFR_DATE (0x9D)
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#define PMBUS_MFR_SERIAL (0x9E)
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static int psoc_i2c_bridge_read(struct i2c_client *client,
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unsigned char bus,
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unsigned char chip,
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char *addr, int alen,
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unsigned char *data, int len )
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{
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unsigned char txdata[28], rxdata[28];
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int index, timeout;
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txdata[PSOC_I2C_STATUS] = 0; /* the status */
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txdata[PSOC_I2C_CNTRL] = ((alen & 3) << 5) | (len & 0x1f); /* the sizes */
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txdata[PSOC_I2C_ADDR] = (chip << 1) | PSOC_I2C_READ; /* read address */
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for(index = 0; index < alen; index++)
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txdata[PSOC_I2C_DATA + index] = addr[index]; /* the chip address */
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for(; index < alen+len; index++)
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txdata[PSOC_I2C_DATA + index] = 0; /* clear the chip data */
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psoc_i2c_write(client, &txdata[PSOC_I2C_CNTRL], PSOC_I2C_CNTRL, 2 + alen + len);
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//delay a while ???
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//---------------------------------------------------------------------
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//start write
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txdata[PSOC_I2C_STATUS] = PSOC_I2C_START | PSOC_PMB_SEL; /* the start bit for the PM bus */
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psoc_i2c_write(client, &txdata[PSOC_I2C_STATUS], PSOC_I2C_STATUS, 1);
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//delay a while
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timeout = 40; //40*20==>800 ms
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do {
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psoc_i2c_read(client, &rxdata[PSOC_I2C_STATUS], PSOC_I2C_STATUS, 1);
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//check rxdata[5] error bit(1) and complete bit(0) ,TBD
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if((rxdata[PSOC_I2C_STATUS] & 0x2) == 0x2) {
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//printk("i2c bridge fail!!!\n");
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timeout = 0;
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break;
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}
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if((rxdata[PSOC_I2C_STATUS] & PSOC_I2C_START) == 0) {
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/* comand complete */
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psoc_i2c_read(client, &rxdata[PSOC_I2C_DATA+alen], PSOC_I2C_DATA+alen, len);
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break;
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}
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//delay
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msleep(20);
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} while(timeout--);
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if(timeout <= 0) {
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return -1;
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}
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//---------------------------------------------------------------------
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for(index=0; index < len; index++) {
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data[index] = rxdata[PSOC_I2C_DATA + alen + index];
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}
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return 0;
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}
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/*
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CPLD report the PSU0 status
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000 = PSU normal operation
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100 = PSU fault
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010 = PSU unpowered
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111 = PSU not installed
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7 6 | 5 4 3 | 2 1 0
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----------------------
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| psu1 | psu0
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*/
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static char* psu_str[] = {
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"normal", //000
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"NA", //001
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"unpowered", //010
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"NA", //011
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"fault", //100
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"NA", //101
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"NA", //110
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"not installed", //111
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};
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static ssize_t show_psu_st(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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u32 status;
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct i2c_client *client = to_i2c_client(dev);
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struct psoc_data *data = i2c_get_clientdata(client);
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u8 byte;
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int shift = (attr->index == 0)?3:0;
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mutex_lock(&data->update_lock);
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status = psoc_i2c_read(client, &byte, PSOC_PSU_OFFSET, 1);
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mutex_unlock(&data->update_lock);
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byte = (byte >> shift) & 0x7;
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status = sprintf (buf, "%d : %s\n", byte, psu_str[byte]);
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return strlen(buf);
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}
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/*-----------------------------------------------------------------------*/
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/* sysfs attributes for hwmon */
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static ssize_t show_thermal(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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u16 status;
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct i2c_client *client = to_i2c_client(dev);
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struct psoc_data *data = i2c_get_clientdata(client);
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u8 offset = attr->index * 2 + THERMAL_OFFSET;
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mutex_lock(&data->update_lock);
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status = psoc_read16(client, offset);
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mutex_unlock(&data->update_lock);
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return sprintf(buf, "%d\n",
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(s8)(status>>8) * 1000 );
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}
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|
||
|
|
static ssize_t show_pwm(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 offset = attr->index + PWM_OFFSET;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
|
||
|
|
status = psoc_read8(client, offset);
|
||
|
|
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "%d\n",
|
||
|
|
status);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_pwm(struct device *dev,
|
||
|
|
struct device_attribute *devattr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 offset = attr->index + PWM_OFFSET;
|
||
|
|
|
||
|
|
u8 pwm = simple_strtol(buf, NULL, 10);
|
||
|
|
if(pwm > 255) pwm = 255;
|
||
|
|
|
||
|
|
if(data->diag) {
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
psoc_i2c_write(client, &pwm, offset, 1);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
}
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t show_rpm(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 offset = attr->index*2 + RPM_OFFSET;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
|
||
|
|
status = psoc_read16(client, offset);
|
||
|
|
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "%d\n",
|
||
|
|
status);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_switch_tmp(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
u16 status;
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u16 temp = 0;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
status = psoc_i2c_read(client, (u8*)&temp, SWITCH_TMP_OFFSET, 2);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
status = sprintf (buf, "%d\n", (s8)(temp>>8) * 1000 );
|
||
|
|
|
||
|
|
return strlen(buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_switch_tmp(struct device *dev,
|
||
|
|
struct device_attribute *devattr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
//struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
long temp = simple_strtol(buf, NULL, 10);
|
||
|
|
u16 temp2 = ( (temp/1000) <<8 ) & 0xFF00 ;
|
||
|
|
|
||
|
|
//printk("set_switch_tmp temp=%d, temp2=0x%x (%x,%x)\n", temp, temp2, ( ( (temp/1000) <<8 ) & 0xFF00 ), (( (temp%1000) / 10 ) & 0xFF));
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
psoc_i2c_write(client, (u8*)&temp2, SWITCH_TMP_OFFSET, 2);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_diag(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
u16 status;
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 diag_flag = 0;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
status = psoc_i2c_read(client, (u8*)&diag_flag, DIAG_FLAG_OFFSET, 1);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
data->diag = (diag_flag & 0x80)?1:0;
|
||
|
|
status = sprintf (buf, "%d\n", data->diag);
|
||
|
|
|
||
|
|
return strlen(buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_diag(struct device *dev,
|
||
|
|
struct device_attribute *devattr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
//struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 value = 0;
|
||
|
|
u8 diag = simple_strtol(buf, NULL, 10);
|
||
|
|
|
||
|
|
diag = diag?1:0;
|
||
|
|
data->diag = diag;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
psoc_i2c_read(client, (u8*)&value, DIAG_FLAG_OFFSET, 1);
|
||
|
|
if(diag) value |= (1<<7);
|
||
|
|
else value &= ~(1<<7);
|
||
|
|
psoc_i2c_write(client, (u8*)&value, DIAG_FLAG_OFFSET, 1);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_version(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
u16 status;
|
||
|
|
//struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
|
||
|
|
status = psoc_read16(client, VERSION_OFFSET);
|
||
|
|
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "ver: %x.%x\n", (status & 0xFF00)>>8, (status & 0xFF) );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t show_fan_led(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 bit = attr->index;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
|
||
|
|
status = psoc_read8(client, FAN_LED_OFFSET);
|
||
|
|
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "%d\n",
|
||
|
|
(status & (1<<bit))?1:0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t set_fan_led(struct device *dev,
|
||
|
|
struct device_attribute *devattr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 bit = attr->index;
|
||
|
|
u8 led_state = 0;
|
||
|
|
|
||
|
|
u8 v = simple_strtol(buf, NULL, 10);
|
||
|
|
|
||
|
|
if(data->diag) {
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
led_state = psoc_read8(client, FAN_LED_OFFSET);
|
||
|
|
if(v) led_state |= (1<<bit);
|
||
|
|
else led_state &= ~(1<<bit);
|
||
|
|
psoc_i2c_write(client, &led_state, FAN_LED_OFFSET, 1);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
}
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_value8(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 offset = attr->index;
|
||
|
|
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
|
||
|
|
status = psoc_read8(client, offset);
|
||
|
|
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "0x%02X\n", status );
|
||
|
|
}
|
||
|
|
|
||
|
|
static long pmbus_reg2data_linear(int data, int linear16)
|
||
|
|
{
|
||
|
|
s16 exponent;
|
||
|
|
s32 mantissa;
|
||
|
|
long val;
|
||
|
|
|
||
|
|
if (linear16) { /* LINEAR16 */
|
||
|
|
exponent = -9;
|
||
|
|
mantissa = (u16) data;
|
||
|
|
} else { /* LINEAR11 */
|
||
|
|
exponent = ((s16)data) >> 11;
|
||
|
|
exponent = ((s16)( data & 0xF800) ) >> 11;
|
||
|
|
mantissa = ((s32)((data & 0x7ff) << 5)) >> 5;
|
||
|
|
}
|
||
|
|
|
||
|
|
//printk("data=%d, m=%d, e=%d\n", data, exponent, mantissa);
|
||
|
|
val = mantissa;
|
||
|
|
|
||
|
|
/* scale result to micro-units for power sensors */
|
||
|
|
val = val * 1000L;
|
||
|
|
|
||
|
|
if (exponent >= 0)
|
||
|
|
val <<= exponent;
|
||
|
|
else
|
||
|
|
val >>= -exponent;
|
||
|
|
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_psu(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 reg = attr->index & 0xFF;
|
||
|
|
u8 len = ((attr->index & 0xFF00) >> 8);
|
||
|
|
u8 chip = (attr->index >> 16)? 0x59:0x58;
|
||
|
|
u8 bus = 1;
|
||
|
|
unsigned char value[2] = {0,0};;
|
||
|
|
|
||
|
|
if (len == 2)
|
||
|
|
{
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
psoc_i2c_bridge_read(client, bus, chip, ®, 1, value, 2);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
status = value[1]<<8 | value[0];
|
||
|
|
//status1 = value[1]<<8 | value[0];
|
||
|
|
|
||
|
|
return sprintf(buf, "%ld\n", pmbus_reg2data_linear(status, (reg==PMBUS_READ_VOUT)?1:0) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ //len is not defined.
|
||
|
|
u8 tmpbuf[32];
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
//length of block read
|
||
|
|
psoc_i2c_bridge_read(client, bus, chip, ®, 1, &len, 1);
|
||
|
|
//data included length
|
||
|
|
psoc_i2c_bridge_read(client, bus, chip, ®, 1, tmpbuf, len+1);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
memcpy(buf, tmpbuf+1, len);
|
||
|
|
buf[len]='\n';
|
||
|
|
|
||
|
|
return len+1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t show_psu_psoc(struct device *dev, struct device_attribute *da,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
u16 status;
|
||
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
|
||
|
|
struct i2c_client *client = to_i2c_client(dev);
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
u8 offset = (attr->index & 0xFF) + PSU_INFO_OFFSET;
|
||
|
|
u8 len = (attr->index >> 8)& 0xFF;
|
||
|
|
u8 rxbuf[21] = {0};
|
||
|
|
if (len == 2)
|
||
|
|
{
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
status = psoc_read16(client, offset);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
|
||
|
|
return sprintf(buf, "%ld \n", pmbus_reg2data_linear(status, strstr(attr->dev_attr.attr.name, "vout")? 1:0 ));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mutex_lock(&data->update_lock);
|
||
|
|
status = psoc_i2c_read(client,rxbuf,offset,len);
|
||
|
|
mutex_unlock(&data->update_lock);
|
||
|
|
return sprintf(buf, "%s \n",rxbuf);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_thermal, 0, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_thermal, 0, 1);
|
||
|
|
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_thermal, 0, 2);
|
||
|
|
static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_thermal, 0, 3);
|
||
|
|
static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, show_thermal, 0, 4);
|
||
|
|
static SENSOR_DEVICE_ATTR(thermal_psu1, S_IRUGO, show_thermal, 0, 5);
|
||
|
|
static SENSOR_DEVICE_ATTR(thermal_psu2, S_IRUGO, show_thermal, 0, 6);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 1);
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 2);
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 3);
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm_psu1, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 4);
|
||
|
|
static SENSOR_DEVICE_ATTR(pwm_psu2, S_IWUSR|S_IRUGO, show_pwm, set_pwm, 5);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psu0, S_IRUGO, show_psu_st, 0, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1, S_IRUGO, show_psu_st, 0, 1);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_rpm, 0, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_rpm, 0, 1);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_rpm, 0, 2);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_rpm, 0, 3);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_rpm, 0, 4);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_rpm, 0, 5);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_rpm, 0, 6);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_rpm, 0, 7);
|
||
|
|
static SENSOR_DEVICE_ATTR(rpm_psu1, S_IRUGO, show_rpm, 0, 8);
|
||
|
|
static SENSOR_DEVICE_ATTR(rpm_psu2, S_IRUGO, show_rpm, 0, 9);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(switch_tmp, S_IWUSR|S_IRUGO, show_switch_tmp, set_switch_tmp, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(temp6_input, S_IWUSR|S_IRUGO, show_switch_tmp, set_switch_tmp, 0);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(diag, S_IWUSR|S_IRUGO, show_diag, set_diag, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(version, S_IRUGO, show_version, 0, 0);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_grn1, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 0);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_grn2, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 1);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_grn3, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 2);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_grn4, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 3);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_red1, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 4);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_red2, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 5);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_red3, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 6);
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_led_red4, S_IWUSR|S_IRUGO, show_fan_led, set_fan_led, 7);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(fan_gpi, S_IRUGO, show_value8, 0, FAN_GPI_OFFSET);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_vin, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_VIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_vout, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_VOUT);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_iin, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_IIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_iout, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_IOUT);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_pin, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_PIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_pout, S_IRUGO, show_psu, 0, (0<<16) | (2<<8) | PMBUS_READ_POUT);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_vendor, S_IRUGO, show_psu, 0, (0<<16) | (0<<8) | PMBUS_MFR_ID);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_model, S_IRUGO, show_psu, 0, (0<<16) | (0<<8) | PMBUS_MFR_MODEL);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_version, S_IRUGO, show_psu, 0, (0<<16) | (0<<8) | PMBUS_MFR_REVISION);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_date, S_IRUGO, show_psu, 0, (0<<16) | (0<<8) | PMBUS_MFR_DATE);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu1_sn, S_IRUGO, show_psu, 0, (0<<16) | (0<<8) | PMBUS_MFR_SERIAL);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_vin, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_VIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_vout, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_VOUT);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_iin, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_IIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_iout, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_IOUT);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_pin, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_PIN);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_pout, S_IRUGO, show_psu, 0, (1<<16) | (2<<8) | PMBUS_READ_POUT);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_vendor, S_IRUGO, show_psu, 0, (1<<16) | (0<<8) | PMBUS_MFR_ID);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_model, S_IRUGO, show_psu, 0, (1<<16) | (0<<8) | PMBUS_MFR_MODEL);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_version, S_IRUGO, show_psu, 0, (1<<16) | (0<<8) | PMBUS_MFR_REVISION);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_date, S_IRUGO, show_psu, 0, (1<<16) | (0<<8) | PMBUS_MFR_DATE);
|
||
|
|
static SENSOR_DEVICE_ATTR(psu2_sn, S_IRUGO, show_psu, 0, (1<<16) | (0<<8) | PMBUS_MFR_SERIAL);
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_vin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_vin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_vout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_vout));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_iin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_iin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_iout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_iout));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_pin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_pin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_pout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu1_pout));
|
||
|
|
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_vin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_vin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_vout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_vout));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_iin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_iin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_iout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_iout));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_pin, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_pin));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_pout, S_IRUGO, show_psu_psoc, 0, (0x02<<8)|PSOC_PSU_OFF(psu2_pout));
|
||
|
|
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_vendor, S_IRUGO, show_psu_psoc, 0, (0x10<<8)|PSOC_PSU_OFF(psu1_vendor));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_model, S_IRUGO, show_psu_psoc, 0, (0x14<<8)|PSOC_PSU_OFF(psu1_model));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_version, S_IRUGO, show_psu_psoc, 0, (0x08<<8)|PSOC_PSU_OFF(psu1_version));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_date, S_IRUGO, show_psu_psoc, 0, (0x06<<8)|PSOC_PSU_OFF(psu1_date));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu1_sn, S_IRUGO, show_psu_psoc, 0, (0x14<<8)|PSOC_PSU_OFF(psu1_sn));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_vendor, S_IRUGO, show_psu_psoc, 0, (0x10<<8)|PSOC_PSU_OFF(psu2_vendor));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_model, S_IRUGO, show_psu_psoc, 0, (0x14<<8)|PSOC_PSU_OFF(psu2_model));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_version, S_IRUGO, show_psu_psoc, 0, (0x08<<8)|PSOC_PSU_OFF(psu2_version));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_date, S_IRUGO, show_psu_psoc, 0, (0x06<<8)|PSOC_PSU_OFF(psu2_date));
|
||
|
|
static SENSOR_DEVICE_ATTR(psoc_psu2_sn, S_IRUGO, show_psu_psoc, 0, (0x14<<8)|PSOC_PSU_OFF(psu2_sn));
|
||
|
|
|
||
|
|
static struct attribute *psoc_attributes[] = {
|
||
|
|
//thermal
|
||
|
|
&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_temp4_input.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_temp5_input.dev_attr.attr,
|
||
|
|
|
||
|
|
&sensor_dev_attr_thermal_psu1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_thermal_psu2.dev_attr.attr,
|
||
|
|
|
||
|
|
|
||
|
|
//pwm
|
||
|
|
&sensor_dev_attr_pwm1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_pwm2.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_pwm3.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_pwm4.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_pwm_psu1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_pwm_psu2.dev_attr.attr,
|
||
|
|
|
||
|
|
//rpm
|
||
|
|
&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_fan5_input.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan6_input.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan7_input.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan8_input.dev_attr.attr,
|
||
|
|
|
||
|
|
&sensor_dev_attr_rpm_psu1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_rpm_psu2.dev_attr.attr,
|
||
|
|
|
||
|
|
//switch temperature
|
||
|
|
&sensor_dev_attr_switch_tmp.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_temp6_input.dev_attr.attr,
|
||
|
|
//diag flag
|
||
|
|
&sensor_dev_attr_diag.dev_attr.attr,
|
||
|
|
|
||
|
|
//version
|
||
|
|
&sensor_dev_attr_version.dev_attr.attr,
|
||
|
|
|
||
|
|
//fan led
|
||
|
|
&sensor_dev_attr_fan_led_grn1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_grn2.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_grn3.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_grn4.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_red1.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_red2.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_red3.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_fan_led_red4.dev_attr.attr,
|
||
|
|
|
||
|
|
//fan GPI
|
||
|
|
&sensor_dev_attr_fan_gpi.dev_attr.attr,
|
||
|
|
|
||
|
|
//psu
|
||
|
|
&sensor_dev_attr_psu1_vin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_vout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_iin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_iout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_pin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_pout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_vin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_vout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_iin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_iout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_pin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_pout.dev_attr.attr,
|
||
|
|
|
||
|
|
&sensor_dev_attr_psu1_vendor.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_model.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_version.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_date.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1_sn.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_vendor.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_model.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_version.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_date.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu2_sn.dev_attr.attr,
|
||
|
|
|
||
|
|
&sensor_dev_attr_psu0.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psu1.dev_attr.attr,
|
||
|
|
|
||
|
|
|
||
|
|
//psu_psoc, new added on psoc 1.9
|
||
|
|
&sensor_dev_attr_psoc_psu1_vin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_vout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_iin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_iout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_pin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_pout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_vin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_vout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_iin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_iout.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_pin.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_pout.dev_attr.attr,
|
||
|
|
|
||
|
|
//add info
|
||
|
|
&sensor_dev_attr_psoc_psu1_vendor.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_model.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_version.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_date.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu1_sn.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_vendor.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_model.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_version.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_date.dev_attr.attr,
|
||
|
|
&sensor_dev_attr_psoc_psu2_sn.dev_attr.attr,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group psoc_group = {
|
||
|
|
.attrs = psoc_attributes,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/* device probe and removal */
|
||
|
|
|
||
|
|
static int
|
||
|
|
psoc_probe(struct i2c_client *client, const struct i2c_device_id *id)
|
||
|
|
{
|
||
|
|
struct psoc_data *data;
|
||
|
|
int status;
|
||
|
|
|
||
|
|
printk("+%s\n", __func__);
|
||
|
|
|
||
|
|
if (!i2c_check_functionality(client->adapter,
|
||
|
|
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
data = kzalloc(sizeof(struct psoc_data), GFP_KERNEL);
|
||
|
|
if (!data)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
i2c_set_clientdata(client, data);
|
||
|
|
mutex_init(&data->update_lock);
|
||
|
|
data->diag = 0;
|
||
|
|
|
||
|
|
/* Register sysfs hooks */
|
||
|
|
status = sysfs_create_group(&client->dev.kobj, &psoc_group);
|
||
|
|
if (status)
|
||
|
|
goto exit_free;
|
||
|
|
|
||
|
|
data->hwmon_dev = hwmon_device_register(&client->dev);
|
||
|
|
if (IS_ERR(data->hwmon_dev)) {
|
||
|
|
status = PTR_ERR(data->hwmon_dev);
|
||
|
|
goto exit_remove;
|
||
|
|
}
|
||
|
|
|
||
|
|
dev_info(&client->dev, "%s: sensor '%s'\n",
|
||
|
|
dev_name(data->hwmon_dev), client->name);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
exit_remove:
|
||
|
|
sysfs_remove_group(&client->dev.kobj, &psoc_group);
|
||
|
|
exit_free:
|
||
|
|
i2c_set_clientdata(client, NULL);
|
||
|
|
kfree(data);
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int psoc_remove(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct psoc_data *data = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
hwmon_device_unregister(data->hwmon_dev);
|
||
|
|
sysfs_remove_group(&client->dev.kobj, &psoc_group);
|
||
|
|
i2c_set_clientdata(client, NULL);
|
||
|
|
kfree(data);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct i2c_device_id psoc_ids[] = {
|
||
|
|
{ "inv_psoc", 0, },
|
||
|
|
{ /* LIST END */ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, psoc_ids);
|
||
|
|
|
||
|
|
static struct i2c_driver psoc_driver = {
|
||
|
|
.class = I2C_CLASS_HWMON,
|
||
|
|
.driver = {
|
||
|
|
.name = "inv_psoc",
|
||
|
|
},
|
||
|
|
.probe = psoc_probe,
|
||
|
|
.remove = psoc_remove,
|
||
|
|
.id_table = psoc_ids,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/* module glue */
|
||
|
|
|
||
|
|
static int __init inv_psoc_init(void)
|
||
|
|
{
|
||
|
|
return i2c_add_driver(&psoc_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit inv_psoc_exit(void)
|
||
|
|
{
|
||
|
|
i2c_del_driver(&psoc_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_AUTHOR("eddie.lan <eddie.lan@inventec>");
|
||
|
|
MODULE_DESCRIPTION("inv psoc driver");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
|
||
|
|
module_init(inv_psoc_init);
|
||
|
|
module_exit(inv_psoc_exit);
|