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      1 /*	$NetBSD: aicavar.h,v 1.4 2024/02/07 04:20:27 msaitoh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2003 SHIMIZU Ryo
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. The name of the author may not be used to endorse or promote products
     17  *    derived from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _AICAVAR_H_
     32 #define _AICAVAR_H_
     33 
     34 typedef struct {
     35 	uint32_t serial;
     36 	uint32_t command;
     37 	uint32_t blocksize;
     38 	uint32_t channel;
     39 	uint32_t rate;
     40 	uint32_t precision;
     41 	uint32_t l_param;	/* volume,etc... for left */
     42 	uint32_t r_param;	/* volume,etc... for right */
     43 } aica_cmd_t;
     44 
     45 #define	AICA_COMMAND_NOP	0
     46 #define	AICA_COMMAND_PLAY	1
     47 #define	AICA_COMMAND_STOP	2
     48 #define	AICA_COMMAND_INIT	3
     49 #define	AICA_COMMAND_MVOL	4
     50 #define	AICA_COMMAND_VOL	5
     51 
     52 #define	AICA_ARM_CODE		0x00000000	/* text+data+bss+stack
     53 						   0x00000000-0x0000ff00 */
     54 #define	AICA_ARM_CMD		0x0000ff00	/* SH4<->ARM work for
     55 						   communication */
     56 #define	AICA_ARM_CMDADDR(x)	(AICA_ARM_CMD + offsetof(aica_cmd_t, x))
     57 #define	AICA_ARM_CMD_SERIAL	AICA_ARM_CMDADDR(serial)
     58 #define	AICA_ARM_CMD_COMMAND	AICA_ARM_CMDADDR(command)
     59 #define	AICA_ARM_CMD_BLOCKSIZE	AICA_ARM_CMDADDR(blocksize)
     60 #define	AICA_ARM_CMD_CHANNEL	AICA_ARM_CMDADDR(channel)
     61 #define	AICA_ARM_CMD_RATE	AICA_ARM_CMDADDR(rate)
     62 #define	AICA_ARM_CMD_PRECISION	AICA_ARM_CMDADDR(precision)
     63 #define	AICA_ARM_CMD_LPARAM	AICA_ARM_CMDADDR(l_param)
     64 #define	AICA_ARM_CMD_RPARAM	AICA_ARM_CMDADDR(r_param)
     65 
     66 #define	AICA_ARM_END		0x00010000
     67 
     68 #define	AICA_DMABUF_START	0x00010000
     69 #define	AICA_DMABUF_LEFT	0x00010000	/* DMA buffer for PLAY
     70 						   0x00010000-0x0001FFFF */
     71 #define	AICA_DMABUF_RIGHT	0x00020000	/* DMA buffer for PLAY
     72 						   0x00020000-0x0002FFFF */
     73 #define	AICA_DMABUF_MONO	AICA_DMABUF_LEFT
     74 #define	AICA_DMABUF_END		0x00030000
     75 
     76 #define	AICA_DMABUF_SIZE	0x0000ffc0
     77 
     78 #define	AICA_MEMORY_END		0x00200000
     79 
     80 
     81 #define L256TO16(l)	(((l) >> 4) & 0x0f)
     82 #define L16TO256(l)	((((l) << 4) & 0xf0) + ((l) & 0x0f))
     83 
     84 
     85 enum MIXER_CLASS {
     86 	AICA_MASTER_VOL = 0,
     87 	AICA_OUTPUT_GAIN,
     88 	AICA_OUTPUT_CLASS,
     89 
     90 	AICA_NDEVS
     91 };
     92 
     93 #endif /* _AICAVAR_H_ */
     94 
     95