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Source: https://github.com/cringeops/bes2600 Source: https://github.com/cringeops/bes2600/pull/14 Source: https://github.com/cringeops/bes2600/pull/17 Source: https://github.com/cringeops/bes2600/pull/20
2025-09-17 16:35:45 +02:00
commit ba20341e70
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+/*
+ * Common sbus abstraction layer interface for bes2600 wireless driver
+ *
+ * Copyright (c) 2010, Bestechnic
+ * Author:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef BES2600_SBUS_H
+#define BES2600_SBUS_H
+
+/*
+ * sbus priv forward definition.
+ * Implemented and instantiated in particular modules.
+ */
+struct sbus_priv;
+struct bes2600_common;
+
+typedef void (*sbus_irq_handler)(void *priv);
+
+enum SUBSYSTEM {
+	SUBSYSTEM_MCU = 0,
+	SUBSYSTEM_WIFI,
+	SUBSYSTEM_BT,
+	SUBSYSTEM_BT_LP,
+};
+
+enum GPIO_WAKE_FLAG
+{
+	GPIO_WAKE_FLAG_MCU = 0,
+	GPIO_WAKE_FLAG_WIFI_ON,
+	GPIO_WAKE_FLAG_WIFI_OFF,
+	GPIO_WAKE_FLAG_BT_ON,
+	GPIO_WAKE_FLAG_BT_OFF,
+	GPIO_WAKE_FLAG_BT_LP_ON,
+	GPIO_WAKE_FLAG_BT_LP_OFF,
+	GPIO_WAKE_FLAG_HOST_SUSPEND,
+	GPIO_WAKE_FLAG_HOST_RESUME,
+	GPIO_WAKE_FLAG_SDIO_RX,
+	GPIO_WAKE_FLAG_SDIO_PROBE,
+};
+
+struct sbus_ops {
+	int (*init)(struct sbus_priv *self, struct bes2600_common *core);
+	int (*sbus_memcpy_fromio)(struct sbus_priv *self, unsigned int addr,
+					void *dst, int count);
+	int (*sbus_memcpy_toio)(struct sbus_priv *self, unsigned int addr,
+					const void *src, int count);
+	void (*lock)(struct sbus_priv *self);
+	void (*unlock)(struct sbus_priv *self);
+	int (*irq_subscribe)(struct sbus_priv *self, sbus_irq_handler handler,
+				void *priv);
+	int (*irq_unsubscribe)(struct sbus_priv *self);
+	int (*reset)(struct sbus_priv *self);
+	size_t (*align_size)(struct sbus_priv *self, size_t size);
+	int (*set_block_size)(struct sbus_priv *self, size_t size);
+	int (*pipe_send)(struct sbus_priv *self, u8 pipe, u32 len, u8 *buf);
+	void * (*pipe_read)(struct sbus_priv *self);
+	int (*sbus_reg_read)(struct sbus_priv *self, u32 reg,
+					void *buf, int count);
+	int (*sbus_reg_write)(struct sbus_priv *self, u32 reg,
+					const void *buf, int count);
+
+	/* sub_system: 0 for mcu, 1 for wifi, 2 for bt, ... */
+	int (*sbus_active)(struct sbus_priv *self, int sub_system);
+	int (*sbus_deactive)(struct sbus_priv *self, int sub_system);
+	int (*power_switch)(struct sbus_priv *self, int on);
+	/* gpio wake, beacuse bes2600 sdio can't wakeup mcu, so add the two of interfaces */
+	void (*gpio_wake)(struct sbus_priv *self, int falg);
+	void (*gpio_sleep)(struct sbus_priv *self, int falg);
+	/* halt device to get debug information */
+	void (*halt_device)(struct sbus_priv *self);
+	bool (*wakeup_source)(struct sbus_priv *self);
+	int (*reboot)(struct sbus_priv *self);
+};
+
+void bes2600_irq_handler(struct bes2600_common *priv);
+
+/* This MUST be wrapped with hwbus_ops->lock/unlock! */
+int __bes2600_irq_enable(int enable);
+
+#endif /* BES2600_SBUS_H */