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author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-05-02 12:36:52 -0700 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-04 07:24:57 +0200 |
commit | 8239e32a56ca069d85308f964742b8d571869809 (patch) | |
tree | 8669747ec41a2a1a6261716356ec0e1edc66ec60 /include | |
parent | 2ffe4cb1c395a492d23f660dca13d7e81947198d (diff) | |
download | barebox-8239e32a56ca069d85308f964742b8d571869809.tar.gz barebox-8239e32a56ca069d85308f964742b8d571869809.tar.xz |
mfd: Port RAVE SP driver from Linux kernel
Port MFD driver for RAVE SP from Linux kernel.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mfd/rave-sp.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/linux/mfd/rave-sp.h b/include/linux/mfd/rave-sp.h new file mode 100644 index 0000000000..e0d97a55d9 --- /dev/null +++ b/include/linux/mfd/rave-sp.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +/* + * Core definitions for RAVE SP MFD driver. + * + * Copyright (C) 2017 Zodiac Inflight Innovations + */ + +#ifndef _LINUX_RAVE_SP_H_ +#define _LINUX_RAVE_SP_H_ + +/* #include <linux/notifier.h> */ + +enum rave_sp_command { + RAVE_SP_CMD_GET_FIRMWARE_VERSION = 0x20, + RAVE_SP_CMD_GET_BOOTLOADER_VERSION = 0x21, + RAVE_SP_CMD_BOOT_SOURCE = 0x26, + RAVE_SP_CMD_GET_BOARD_COPPER_REV = 0x2B, + RAVE_SP_CMD_GET_GPIO_STATE = 0x2F, + + RAVE_SP_CMD_STATUS = 0xA0, + RAVE_SP_CMD_SW_WDT = 0xA1, + RAVE_SP_CMD_PET_WDT = 0xA2, + RAVE_SP_CMD_SET_BACKLIGHT = 0xA6, + RAVE_SP_CMD_RESET = 0xA7, + RAVE_SP_CMD_RESET_REASON = 0xA8, + + RAVE_SP_CMD_JUMP_TO_BOOTLOADER = 0xB0, + RAVE_SP_CMD_BOOTLOADER = 0xB1, + RAVE_SP_CMD_REQ_COPPER_REV = 0xB6, + RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA, + RAVE_SP_CMD_GET_SP_SILICON_REV = 0xB9, + RAVE_SP_CMD_CONTROL_EVENTS = 0xBB, + + RAVE_SP_EVNT_BASE = 0xE0, +}; + +enum rave_sp_bootloader_command { + RAVE_SP_BOOTLOADER_CMD_QUERY_DEVICE = 0xA1, + RAVE_SP_BOOTLOADER_CMD_ERASE_APP = 0xA3, + RAVE_SP_BOOTLOADER_CMD_PROGRAM_DEVICE = 0xA4, + RAVE_SP_BOOTLOADER_CMD_PROGRAM_COMPLETE = 0xA5, + RAVE_SP_BOOTLOADER_CMD_READ_APP = 0xA6, + RAVE_SP_BOOTLOADER_CMD_RESET_DEVICE = 0xA7, + RAVE_SP_BOOTLOADER_CMD_LAUNCH_APP = 0xA8, +}; + +struct rave_sp; + +static inline unsigned long rave_sp_action_pack(u8 event, u8 value) +{ + return ((unsigned long)value << 8) | event; +} + +static inline u8 rave_sp_action_unpack_event(unsigned long action) +{ + return action; +} + +static inline u8 rave_sp_action_unpack_value(unsigned long action) +{ + return action >> 8; +} + +int rave_sp_exec(struct rave_sp *sp, + void *__data, size_t data_size, + void *reply_data, size_t reply_data_size); + +struct device; +/* int devm_rave_sp_register_event_notifier(struct device *dev, */ +/* struct notifier_block *nb); */ + +bool rave_sp_is_in_bootloader_mode(struct rave_sp *sp); +const struct firmware *rave_sp_get_firmware(struct rave_sp *sp); +void rave_sp_release_firmware(struct rave_sp *sp); +void rave_sp_set_update_fw_status(struct rave_sp *sp, int status); + +#endif /* _LINUX_RAVE_SP_H_ */ |