75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
|
/*
|
||
|
|
* drivers/misc/inter_tegra_spi.h
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2, as published by the Free Software Foundation, and
|
||
|
|
* may be copied, distributed, and modified under those terms.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _LINUX_INTER_TEGRA_SPI_H
|
||
|
|
#define _LINUX_INTER_TEGRA_SPI_H
|
||
|
|
|
||
|
|
#define PROTOCOL_VERSION 1
|
||
|
|
|
||
|
|
#define HEAD PROTOCOL_VERSION
|
||
|
|
|
||
|
|
#define CMD_TEMP 0x01
|
||
|
|
#define CMD_PWM 0x02
|
||
|
|
#define CMD_TACH 0x03
|
||
|
|
#define CMD_10GBE 0x04
|
||
|
|
|
||
|
|
#define CMD_SUCCESS 0x10
|
||
|
|
#define CMD_ERROR 0x20
|
||
|
|
|
||
|
|
enum {
|
||
|
|
TYPE_TEMP,
|
||
|
|
TYPE_10GBE,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct inter_tegra_data {
|
||
|
|
struct spi_device *spi;
|
||
|
|
struct mutex mutex;
|
||
|
|
int err_log_enable;
|
||
|
|
|
||
|
|
int is_master;
|
||
|
|
const char *send_tz_type;
|
||
|
|
struct thermal_zone_device *tx_thz;
|
||
|
|
struct delayed_work work;
|
||
|
|
struct mutex tx_mutex;
|
||
|
|
|
||
|
|
struct task_struct *thread;
|
||
|
|
struct thermal_zone_device *rx_thz;
|
||
|
|
|
||
|
|
int send_period_ms;
|
||
|
|
int receive_timeout_ms;
|
||
|
|
|
||
|
|
int send_enable;
|
||
|
|
int receive_enable;
|
||
|
|
|
||
|
|
int tx_temp;
|
||
|
|
int rx_temp;
|
||
|
|
|
||
|
|
int rx_retry_cnt;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct inter_tegra_pkt_data {
|
||
|
|
int value;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct inter_tegra_pkt {
|
||
|
|
u8 head;
|
||
|
|
u8 cmd;
|
||
|
|
u8 len;
|
||
|
|
struct inter_tegra_pkt_data pkt_data;
|
||
|
|
u8 check_sum;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
#endif /* _LINUX_INTER_TEGRA_SPI_H */
|