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_ */