Add register definitions for the Wii IPC system.

1 files changed, 65 insertions, 0 deletions

diff --git a/sys/powerpc/wii/wii_ipcreg.h b/sys/powerpc/wii/wii_ipcreg.h
index 197a4e0..4d0ff1a 100644
--- a/sys/powerpc/wii/wii_ipcreg.h
+++ b/sys/powerpc/wii/wii_ipcreg.h
@@ -34,4 +34,69 @@
 #define	WIIIPC_IOH_ADDR		0x133e0000
 #define	WIIIPC_IOH_LEN		0xc20000
 
+#define	WIIIPC_TXBUF		0x00
+#define	WIIIPC_CSR		0x04
+#define	WIIIPC_CSR_TXSTART	0x01
+#define	WIIIPC_CSR_TBEI		0x02
+#define	WIIIPC_CSR_RBFI		0x04
+#define	WIIIPC_CSR_RXREADY	0x08
+#define	WIIIPC_CSR_RBFIMASK	0x10
+#define	WIIIPC_CSR_TBEIMASK	0x20
+#define	WIIIPC_RXBUF		0x08
+#define	WIIIPC_ISR		0x30
+#define	WIIIPC_ISR_MAGIC 	0x40000000
+
+enum wiiipc_cmd {
+	WIIIPC_CMD_OPEN		= 1,
+	WIIIPC_CMD_CLOSE	= 2,
+	WIIIPC_CMD_READ		= 3,
+	WIIIPC_CMD_WRITE	= 4,
+	WIIIPC_CMD_SEEK		= 5,
+	WIIIPC_CMD_IOCTL	= 6,
+	WIIIPC_CMD_IOCTLV	= 7,
+	WIIIPC_CMD_ASYNCRESP	= 8
+};
+
+struct wiiipc_ipc_msg {
+	uint32_t	ipc_cmd;
+	int32_t		ipc_result;
+	int32_t	 	ipc_fd;	/* WIIIPC_CMD_ASYNCRESP - the original cmd */
+	union {
+		struct {
+			intptr_t  pathname;
+			uint32_t  mode;
+		} _ipc_open;
+		struct {
+			intptr_t  data;
+			uint32_t  len;
+		} _ipc_read, _ipc_write;
+		struct {
+			int32_t   offset;
+			int32_t   whence;
+		} _ipc_seek;
+		struct {
+			uint32_t  request;
+			intptr_t  ibuf;
+			uint32_t  ilen;
+			intptr_t  obuf;
+			uint32_t  olen;
+		} _ipc_ioctl;
+		struct {
+			uint32_t  request;
+			uint32_t  argin;
+			uint32_t  argout;
+			intptr_t  iovec;
+		} _ipc_ioctlv;
+		uint32_t _ipc_argv[5];
+	} args;
+} __attribute__((packed));
+
+CTASSERT(sizeof(struct wiiipc_ipc_msg) == 32);
+
+#define ipc_open 	args._ipc_open
+#define	ipc_read	args._ipc_read
+#define	ipc_write	args._ipc_write
+#define ipc_ioctl 	args._ipc_ioctl
+#define ipc_ioctlv	args._ipc_ioctlv
+
 #endif	/* _POWERPC_WII_WII_IPCREG_H */