xref: /openbsd-src/sys/dev/pci/ydsvar.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: ydsvar.h,v 1.2 2001/07/08 06:43:27 fgsch Exp $	*/
2 /*	$NetBSD$	*/
3 
4 /*
5  * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_PCI_YDSVAR_H_
30 #define	_DEV_PCI_YDSVAR_H_
31 
32 #define N_PLAY_SLOTS		2		/* We use only 2 (R and L) */
33 #define	N_PLAY_SLOT_CTRL	2
34 #define WORK_SIZE		0x0400
35 
36 /*
37  * softc
38  */
39 struct yds_dma {
40 	bus_dmamap_t map;
41 	caddr_t addr;			/* VA */
42 	bus_dma_segment_t segs[1];
43 	int nsegs;
44 	size_t size;
45 	struct yds_dma *next;
46 };
47 
48 struct yds_codec_softc {
49 	struct device sc_dev;		/* base device */
50 	struct yds_softc *sc;
51 	int id;
52 	int status_data;
53 	int status_addr;
54 	struct ac97_host_if host_if;
55 	struct ac97_codec_if *codec_if;
56 };
57 
58 struct yds_softc {
59 	struct device		sc_dev;		/* base device */
60 	pci_chipset_tag_t	sc_pc;
61 	pcitag_t		sc_pcitag;
62 	pcireg_t		sc_id;
63 	void			*sc_ih;		/* interrupt vectoring */
64 	bus_space_tag_t		memt;
65 	bus_space_handle_t	memh;
66 	bus_dma_tag_t		sc_dmatag;	/* DMA tag */
67 	u_int			sc_flags;
68 
69 	struct yds_codec_softc	sc_codec[2];	/* Primary/Secondary AC97 */
70 
71 	struct yds_dma		*sc_dmas;	/* List of DMA handles */
72 
73 	/*
74 	 * Play/record status
75 	 */
76 	struct {
77 		void		(*intr)(void *); /* rint/pint */
78 		void		*intr_arg;	/* arg for intr */
79 		u_int	 	offset;		/* filled up to here */
80 		u_int	 	blksize;
81 		u_int	 	factor;		/* byte per sample */
82 		u_int		length;		/* ring buffer length */
83 		struct yds_dma	*dma;		/* DMA handle for ring buf */
84 	} sc_play, sc_rec;
85 
86 	/*
87 	 * DSP control data
88 	 *
89 	 * Work space, play control data table, play slot control data,
90 	 * rec slot control data and effect slot control data are
91 	 * stored in a single memory segment in this order.
92 	 */
93 	struct yds_dma			sc_ctrldata;
94 	/* KVA and offset in buffer of play ctrl data tbl */
95 	u_int32_t			*ptbl;
96 	off_t				ptbloff;
97 	/* KVA and offset in buffer of rec slot ctrl data */
98 	struct rec_slot_ctrl_bank	*rbank;
99 	off_t				rbankoff;
100 	/* Array of KVA pointers and offset of play slot control data */
101 	struct play_slot_ctrl_bank	*pbankp[N_PLAY_SLOT_CTRL_BANK
102 					       *N_PLAY_SLOTS];
103 	off_t				pbankoff;
104 
105 	/*
106 	 * Legacy support
107 	 */
108 	bus_space_tag_t		sc_legacy_iot;
109 	bus_space_handle_t	sc_opl_ioh;
110 	struct device		*sc_mpu;
111 	bus_space_handle_t	sc_mpu_ioh;
112 };
113 #define sc_opl_iot	sc_legacy_iot
114 #define sc_mpu_iot	sc_legacy_iot
115 
116 #endif /* _DEV_PCI_YDSVAR_H_ */
117