cs428x.h revision 1.6 1 /* $NetBSD: cs428x.h,v 1.6 2003/05/03 18:11:33 wiz Exp $ */
2
3 /*
4 * Copyright (c) 2000 Tatoku Ogaito. 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 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Tatoku Ogaito
17 * for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /* Common functions and variables for CS4280 and CS4281 */
34
35 #ifndef _CS428X_H_
36 #define _CS428X_H_
37
38 #define PCI_BA0 (0x10)
39 #define PCI_BA1 (0x14)
40
41 #define CS428X_SAVE_REG_MAX (0x10)
42 #define TYPE_CS4280 (0x4280)
43 #define TYPE_CS4281 (0x4281)
44
45 #define BA0READ4(sc, r) bus_space_read_4((sc)->ba0t, (sc)->ba0h, (r))
46 #define BA0WRITE4(sc, r, x) bus_space_write_4((sc)->ba0t, (sc)->ba0h, (r), (x))
47
48 /* DMA */
49 struct cs428x_dma {
50 bus_dmamap_t map;
51 caddr_t addr; /* real DMA buffer */
52 caddr_t dum; /* dummy buffer for audio driver */
53 bus_dma_segment_t segs[1];
54 int nsegs;
55 size_t size;
56 struct cs428x_dma *next;
57 };
58 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
59 #define KERNADDR(p) ((void *)((p)->addr)) /* buffer for real DMA */
60 #define BUFADDR(p) ((void *)((p)->dum)) /* buffer for audio driver */
61
62 /*
63 * Software state
64 */
65 struct cs428x_softc {
66 struct device sc_dev;
67
68 pci_intr_handle_t * sc_ih;
69
70 /* I/O (BA0) */
71 bus_space_tag_t ba0t;
72 bus_space_handle_t ba0h;
73
74 /* BA1 */
75 bus_space_tag_t ba1t;
76 bus_space_handle_t ba1h;
77
78 /* DMA */
79 bus_dma_tag_t sc_dmatag;
80 struct cs428x_dma *sc_dmas;
81 size_t dma_size;
82 size_t dma_align;
83
84 int hw_blocksize;
85 int type;
86
87 /* playback */
88 void (*sc_pintr)(void *); /* DMA completion intr handler */
89 void *sc_parg; /* arg for sc_intr() */
90 char *sc_ps, *sc_pe, *sc_pn;
91 int sc_pcount;
92 int sc_pi;
93 struct cs428x_dma *sc_pdma;
94 char *sc_pbuf;
95 int (*halt_output)__P((void *));
96 char sc_prun; /* playback status */
97 int sc_prate; /* playback sample rate */
98
99 /* capturing */
100 void (*sc_rintr)(void *); /* DMA completion intr handler */
101 void *sc_rarg; /* arg for sc_intr() */
102 char *sc_rs, *sc_re, *sc_rn;
103 int sc_rcount;
104 int sc_ri;
105 struct cs428x_dma *sc_rdma;
106 char *sc_rbuf;
107 int sc_rparam; /* record format */
108 int (*halt_input)__P((void *));
109 char sc_rrun; /* recording status */
110 int sc_rrate; /* recording sample rate */
111
112 /* Although cs4281 does not support midi (yet),
113 * don't remove these definition.
114 */
115 void (*sc_iintr)(void *, int); /* midi input ready handler */
116 void (*sc_ointr)(void *); /* midi output ready handler */
117 void *sc_arg;
118
119 /*
120 * XXX
121 * Actually thease 2 variables are needed only for CS4280.
122 */
123 u_int32_t pctl;
124 u_int32_t cctl;
125
126 /* AC97 CODEC */
127 struct ac97_codec_if *codec_if;
128 struct ac97_host_if host_if;
129
130 /* Power Management */
131 char sc_suspend;
132 void *sc_powerhook; /* Power Hook */
133 };
134
135
136 int cs428x_open(void *, int);
137 void cs428x_close(void *);
138 int cs428x_round_blocksize(void *, int);
139 int cs428x_get_props(void *);
140 int cs428x_attach_codec(void *, struct ac97_codec_if *);
141 int cs428x_read_codec(void *, u_int8_t, u_int16_t *);
142 int cs428x_write_codec(void *, u_int8_t, u_int16_t);
143
144 int cs428x_mixer_set_port(void *, mixer_ctrl_t *);
145 int cs428x_mixer_get_port(void *, mixer_ctrl_t *);
146 int cs428x_query_devinfo(void *, mixer_devinfo_t *);
147 void *cs428x_malloc(void *, int, size_t, struct malloc_type *, int);
148 size_t cs428x_round_buffersize(void *, int, size_t);
149 void cs428x_free(void *, void *, struct malloc_type *);
150 paddr_t cs428x_mappage(void *, void *, off_t, int);
151
152 /* internal functions */
153 int cs428x_allocmem(struct cs428x_softc *, size_t, struct malloc_type *,
154 int, struct cs428x_dma *);
155 int cs428x_src_wait(struct cs428x_softc *);
156
157
158 /* DEBUG */
159 /* #define CS4280_DEBUG */
160 /* #define CS4281_DEBUG */
161
162 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG)
163 #define DPRINTF(x) if (cs428x_debug) printf x
164 #define DPRINTFN(n,x) if (cs428x_debug>(n)) printf x
165 extern int cs428x_debug;
166 #if CS4280_DEBUG + 0 == 0
167 #undef CS4280_DEBUG
168 #define CS4280_DEBUG 0
169 #endif
170 #else
171 #define DPRINTF(x)
172 #define DPRINTFN(n,x)
173 #endif
174
175 #endif /* _CS428X_H_ */
176