1 files changed, 39 insertions, 0 deletions
diff --git a/include/kernel/lowio/i2c.h b/include/kernel/lowio/i2c.h
new file mode 100644
index 0000000..6d500f6
--- /dev/null
+++ b/include/kernel/lowio/i2c.h
@@ -0,0 +1,39 @@
+#ifndef _PSP2_LOWIO_I2C_H_
+#define _PSP2_LOWIO_I2C_H_
+
+#include <psp2/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum SceI2cErrorCode {
+	SCE_I2C_ERROR_INVALID_BUS	= 0x803F0300,
+	SCE_I2C_ERROR_INVALID_SIZE	= 0x803F0302,
+	SCE_I2C_ERROR_INVALID_DEVICE	= 0x803F0303
+} SceI2cErrorCode;
+
+typedef struct SceI2cDebugHandlers {
+	unsigned int size;
+	void (*write_start)(int bus, int device, unsigned char *buffer, int size);
+	void (*write_error)(int bus, int error, int result);
+	void (*read_start)(int bus, int device, unsigned char *buffer, int size);
+	void (*read_error)(int bus, int error, int result);
+	void (*write_read_start)(int bus, int write_device, unsigned char *write_buffer, int write_size);
+	void (*write_read_error)(int bus, int error, int result);
+} SceI2cDebugHandlers;
+
+int sceI2cTransferRead(int bus, unsigned int address, unsigned char *buffer, int size);
+int sceI2cTransferWrite(int bus, unsigned int device, const unsigned char *buffer, int size);
+int sceI2cTransferWriteRead(int bus,
+	unsigned int write_device, const unsigned char *write_buffer, int write_size,
+	unsigned int read_device, unsigned char *read_buffer, int read_size);
+
+int sceI2cSetDebugHandlers(int bus, SceI2cDebugHandlers *debug_handlers);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PSP2_LOWIO_I2C_H_ */
+