75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
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* drivers/misc/inter_tegra_spi.h
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*
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* Copyright (c) 2016, 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_INTER_TEGRA_SPI_H
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#define _LINUX_INTER_TEGRA_SPI_H
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#define PROTOCOL_VERSION 1
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#define HEAD PROTOCOL_VERSION
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#define CMD_TEMP 0x01
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#define CMD_PWM 0x02
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#define CMD_TACH 0x03
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#define CMD_10GBE 0x04
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#define CMD_SUCCESS 0x10
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#define CMD_ERROR 0x20
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enum {
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TYPE_TEMP,
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TYPE_10GBE,
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};
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struct inter_tegra_data {
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struct spi_device *spi;
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struct mutex mutex;
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int err_log_enable;
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int is_master;
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const char *send_tz_type;
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struct thermal_zone_device *tx_thz;
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struct delayed_work work;
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struct mutex tx_mutex;
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struct task_struct *thread;
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struct thermal_zone_device *rx_thz;
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int send_period_ms;
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int receive_timeout_ms;
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int send_enable;
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int receive_enable;
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int tx_temp;
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int rx_temp;
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int rx_retry_cnt;
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};
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struct inter_tegra_pkt_data {
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int value;
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};
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struct inter_tegra_pkt {
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u8 head;
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u8 cmd;
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u8 len;
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struct inter_tegra_pkt_data pkt_data;
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u8 check_sum;
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} __attribute__((__packed__));
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#endif /* _LINUX_INTER_TEGRA_SPI_H */
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