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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * include/asm-sh/saturn/smpc.h
3 *
4 * System Manager / Peripheral Control definitions.
5 *
6 * Copyright (C) 2002 Paul Mundt
7 *
8 * Released under the terms of the GNU GPL v2.0.
9 */
10#ifndef __ASM_SH_SATURN_SMPC_H
11#define __ASM_SH_SATURN_SMPC_H
12
13#include <asm/io.h>
14
15#define SMPC_COMMAND 0x2010001f /* SMPC command register */
16#define SMPC_RESULT 0x2010005f /* SMPC result register */
17#define SMPC_STATUS 0x20100063 /* SMPC status register */
18
19#define SMPC_CMD_MSHON 0x0001 /* Master SH On */
20#define SMPC_CMD_SSHON 0x0002 /* Slave SH On */
21#define SMPC_CMD_SSHOFF 0x0003 /* Slave SH Off */
22#define SMPC_CMD_SNDON 0x0004 /* Sound On */
23#define SMPC_CMD_SNDOFF 0x0005 /* Sound Off */
24#define SMPC_CMD_CDON 0x0006 /* CD On */
25#define SMPC_CMD_CDOFF 0x0007 /* CD Off */
26
27static inline void smpc_barrier(void)
28{
29 while ((ctrl_inb(SMPC_STATUS) & 0x0001) == 0x0001)
30 ;
31}
32
33#endif /* __ASM_SH_SATURN_SMPC_H */
34