78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
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/*
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*
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* Copyright (c) 2015-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef _LINUX_TMPM32XI2C_H
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#define _LINUX_TMPM32XI2C_H
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#define CMD_INT_REG 0x10
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#define CMD_PIN_RD 0x20
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#define CMD_PORT_RD 0x21
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#define CMD_PIN_IN 0x22
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#define CMD_GET_DIR 0x23
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#define CMD_POL_INV 0x24
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#define CMD_RD_VOLT 0x25
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#define CMD_RD_ADC 0x26
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#define CMD_RESET 0x27
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#define CMD_POWER 0x28
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#define CMD_INT_MASK 0x29
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#define CMD_FAN_TACH 0x2A
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#define CMD_FORCE_RCV 0x2B
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#define CMD_SHUTDOWN_PREPARE 0x2C
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#define CMD_VERSION 0x2F
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#define CMD_PIN_WR 0x30
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#define CMD_PORT_WR 0x31
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#define CMD_PIN_OUT 0x32
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#define CMD_FAN_PWM 0x33
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#define CMD_I2C_PROB 0xA0
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#define CMD_CAN_TEST 0xA1
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#define R_SYS_9V 0
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#define R_VBAT 1
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#define R_VDD_DDR_1V8 2
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/* CMD_RD_VOLT 0x25 */
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#define R_VDD_GPU 0
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#define R_VDD_BCPU 1
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#define R_VDD_MCPU 2
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#define R_VDD_SOC 3
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#define R_VDD_SRAM 4
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#define R_VDD_DDR 5
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/* CMD_VERSION 0x2F */
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#define V_FW 0
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#define V_CMD 1
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/* CMD_SHUTDOWN_PREPARE 0x2C */
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#define SHUTDOWN_PREPARE_CLEAR 0
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#define SHUTDOWN_PREPARE_SET 1
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struct tmpm32xi2c_chip {
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struct device *dev;
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struct mutex lock;
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int irq;
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unsigned long irq_flags;
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u8 fw_ver[2];
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u8 cmd_ver;
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int (*write_read)(struct tmpm32xi2c_chip *chip,
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u8 *tx_buf, int tx_size, u8 *rx_buf, int rx_size);
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};
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#endif /* _LINUX_TMPM32XI2C_H */
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