cs428x.h revision 1.12 1 /* $NetBSD: cs428x.h,v 1.12 2007/03/04 06:02:17 christos 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 void *addr; /* real DMA buffer */
52 void *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 * Flags (currently used only for CS4280)
64 */
65 enum cs428x_flags {
66 CS428X_FLAG_NONE = 0x0,
67 CS428X_FLAG_INVAC97EAMP = 0x1, /* inverted AC97 external amp */
68 CS428X_FLAG_CLKRUNHACK = 0x2 /* needs CLKRUN hack */
69 };
70
71 /*
72 * Software state
73 */
74 struct cs428x_softc {
75 struct device sc_dev;
76
77 pci_intr_handle_t * sc_ih;
78
79 /* I/O (BA0) */
80 bus_space_tag_t ba0t;
81 bus_space_handle_t ba0h;
82
83 /* BA1 */
84 bus_space_tag_t ba1t;
85 bus_space_handle_t ba1h;
86
87 /* DMA */
88 bus_dma_tag_t sc_dmatag;
89 struct cs428x_dma *sc_dmas;
90 size_t dma_size;
91 size_t dma_align;
92
93 int hw_blocksize;
94 int type;
95
96 /* playback */
97 void (*sc_pintr)(void *); /* DMA completion intr handler */
98 void *sc_parg; /* arg for sc_intr() */
99 char *sc_ps, *sc_pe, *sc_pn;
100 int sc_pcount;
101 int sc_pi;
102 struct cs428x_dma *sc_pdma;
103 char *sc_pbuf;
104 int (*halt_output)(void *);
105 char sc_prun; /* playback status */
106 int sc_prate; /* playback sample rate */
107
108 /* capturing */
109 void (*sc_rintr)(void *); /* DMA completion intr handler */
110 void *sc_rarg; /* arg for sc_intr() */
111 char *sc_rs, *sc_re, *sc_rn;
112 int sc_rcount;
113 int sc_ri;
114 struct cs428x_dma *sc_rdma;
115 char *sc_rbuf;
116 int sc_rparam; /* record format */
117 int (*halt_input)(void *);
118 char sc_rrun; /* recording status */
119 int sc_rrate; /* recording sample rate */
120
121 /* Although cs4281 does not support midi (yet),
122 * don't remove these definition.
123 */
124 void (*sc_iintr)(void *, int); /* midi input ready handler */
125 void (*sc_ointr)(void *); /* midi output ready handler */
126 void *sc_arg;
127
128 /*
129 * XXX
130 * Actually these 3 variables are needed only for CS4280.
131 */
132 enum cs428x_flags sc_flags;
133 uint32_t pctl;
134 uint32_t cctl;
135
136 /* AC97 CODEC */
137 struct ac97_codec_if *codec_if;
138 struct ac97_host_if host_if;
139
140 /* Power Management */
141 char sc_suspend;
142 void *sc_powerhook; /* Power Hook */
143
144 /* CLKRUN hack (CS428X_FLAG_CLKRUN), only for CS4280 */
145 int sc_active;
146 bus_space_tag_t sc_pm_iot;
147 bus_space_handle_t sc_pm_ioh;
148 };
149
150
151 int cs428x_round_blocksize(void *, int, int, const audio_params_t *);
152 int cs428x_get_props(void *);
153 int cs428x_attach_codec(void *, struct ac97_codec_if *);
154 int cs428x_read_codec(void *, u_int8_t, u_int16_t *);
155 int cs428x_write_codec(void *, u_int8_t, u_int16_t);
156
157 int cs428x_mixer_set_port(void *, mixer_ctrl_t *);
158 int cs428x_mixer_get_port(void *, mixer_ctrl_t *);
159 int cs428x_query_devinfo(void *, mixer_devinfo_t *);
160 void *cs428x_malloc(void *, int, size_t, struct malloc_type *, int);
161 size_t cs428x_round_buffersize(void *, int, size_t);
162 void cs428x_free(void *, void *, struct malloc_type *);
163 paddr_t cs428x_mappage(void *, void *, off_t, int);
164
165 /* internal functions */
166 int cs428x_allocmem(struct cs428x_softc *, size_t, struct malloc_type *,
167 int, struct cs428x_dma *);
168 int cs428x_src_wait(struct cs428x_softc *);
169
170
171 /* DEBUG */
172 /* #define CS4280_DEBUG */
173 /* #define CS4281_DEBUG */
174
175 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG)
176 #define DPRINTF(x) if (cs428x_debug) printf x
177 #define DPRINTFN(n,x) if (cs428x_debug>(n)) printf x
178 extern int cs428x_debug;
179 #if CS4280_DEBUG + 0 == 0
180 #undef CS4280_DEBUG
181 #define CS4280_DEBUG 0
182 #endif
183 #else
184 #define DPRINTF(x)
185 #define DPRINTFN(n,x)
186 #endif
187
188 #endif /* _CS428X_H_ */
189