xref: /netbsd/sys/arch/x68k/dev/vsvar.h (revision 8644d8c1)
1 /*	$NetBSD: vsvar.h,v 1.19 2021/02/06 12:50:04 isaki Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 Tetsuya Isaki. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /*
29  * OKI MSM6258V ADPCM voice synthesizer device driver.
30  */
31 
32 #define VS_ADDR		(0xe92000)
33 #define VS_DMA		(3)
34 #define VS_DMAINTR	(0x6a)
35 
36 /* XXX: PPI should be defined elsewhere */
37 #define PPI_ADDR		(0x00e9a000)
38 #define PPI_MAPSIZE		(0x00002000)
39 #define PPI_PORTA		0
40 #define PPI_PORTB		1
41 #define PPI_PORTC		2
42 #define PPI_CTRL		3
43 
44 #define VS_RATE_15K	(15625)
45 #define VS_RATE_10K	(10417)
46 #define VS_RATE_7K	 (7813)
47 #define VS_RATE_5K	 (5208)
48 #define VS_RATE_3K	 (3906)
49 
50 #define VS_SRATE_1024	(0x00)
51 #define VS_SRATE_768	(0x04)
52 #define VS_SRATE_512	(0x08)
53 
54 #define VS_PANOUT_LR	(0x00)
55 #define VS_PANOUT_R	(0x01)
56 #define VS_PANOUT_L	(0x02)
57 #define VS_PANOUT_OFF	(0x03)
58 
59 #define VS_MAX_BUFSIZE	(65536*4) /* XXX: enough? */
60 
61 /* XXX: msm6258vreg.h */
62 #define MSM6258_CMD 	0		/* W */
63 #define MSM6258_CMD_STOP	(0x01)
64 #define MSM6258_CMD_PLAY_START	(0x02)
65 #define MSM6258_CMD_REC_START	(0x04)
66 #define MSM6258_STAT	0		/* R */
67 #define MSM6258_DATA	1		/* R/W */
68 
69 struct vs_dma {
70 	bus_dma_tag_t		vd_dmat;
71 	bus_dmamap_t		vd_map;
72 	void *			vd_addr;
73 	bus_dma_segment_t	vd_segs[1];
74 	int			vd_nsegs;
75 	size_t			vd_size;
76 	struct vs_dma		*vd_next;
77 };
78 #define KVADDR(dma)	((void *)(dma)->vd_addr)
79 #define KVADDR_END(dma) ((void *)((size_t)KVADDR(dma) + (dma)->vd_size)))
80 #define DMAADDR(dma)	((dma)->vd_map->dm_segs[0].ds_addr)
81 
82 struct vs_softc {
83 	device_t sc_dev;
84 	kmutex_t sc_lock;
85 	kmutex_t sc_intr_lock;
86 
87 	bus_space_tag_t sc_iot;
88 	bus_space_handle_t sc_ioh;
89 	bus_space_handle_t sc_ppi; /* XXX */
90 	uint8_t *sc_addr;
91 
92 	bus_dma_tag_t sc_dmat;
93 	struct dmac_channel_stat *sc_dma_ch;
94 	struct vs_dma *sc_dmas;
95 	struct vs_dma *sc_prev_vd;
96 
97 	struct {
98 		struct dmac_dma_xfer *xfer;
99 		int rate;
100 	} sc_current;
101 
102 	void (*sc_pintr)(void *);
103 	void (*sc_rintr)(void *);
104 	void *sc_parg;
105 	void *sc_rarg;
106 
107 	struct msm6258_codecvar sc_codecvar;
108 };
109