include/asm-sh/saturn/smpc.h

   1 /*
   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
  27 static 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