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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6552d31410
This driver provides access to RAVE SP backlight control functionality. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Core definitions for RAVE SP MFD driver.
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*
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* Copyright (C) 2017 Zodiac Inflight Innovations
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*/
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#ifndef _LINUX_RAVE_SP_H_
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#define _LINUX_RAVE_SP_H_
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#include <linux/notifier.h>
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enum rave_sp_command {
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RAVE_SP_CMD_GET_FIRMWARE_VERSION = 0x20,
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RAVE_SP_CMD_GET_BOOTLOADER_VERSION = 0x21,
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RAVE_SP_CMD_BOOT_SOURCE = 0x26,
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RAVE_SP_CMD_GET_BOARD_COPPER_REV = 0x2B,
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RAVE_SP_CMD_GET_GPIO_STATE = 0x2F,
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RAVE_SP_CMD_STATUS = 0xA0,
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RAVE_SP_CMD_SW_WDT = 0xA1,
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RAVE_SP_CMD_PET_WDT = 0xA2,
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RAVE_SP_CMD_SET_BACKLIGHT = 0xA6,
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RAVE_SP_CMD_RESET = 0xA7,
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RAVE_SP_CMD_RESET_REASON = 0xA8,
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RAVE_SP_CMD_REQ_COPPER_REV = 0xB6,
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RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA,
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RAVE_SP_CMD_GET_SP_SILICON_REV = 0xB9,
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RAVE_SP_CMD_CONTROL_EVENTS = 0xBB,
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RAVE_SP_EVNT_BASE = 0xE0,
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};
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struct rave_sp;
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static inline unsigned long rave_sp_action_pack(u8 event, u8 value)
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{
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return ((unsigned long)value << 8) | event;
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}
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static inline u8 rave_sp_action_unpack_event(unsigned long action)
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{
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return action;
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}
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static inline u8 rave_sp_action_unpack_value(unsigned long action)
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{
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return action >> 8;
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}
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int rave_sp_exec(struct rave_sp *sp,
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void *__data, size_t data_size,
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void *reply_data, size_t reply_data_size);
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struct device;
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int devm_rave_sp_register_event_notifier(struct device *dev,
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struct notifier_block *nb);
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#endif /* _LINUX_RAVE_SP_H_ */
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