1/* $NetBSD: auichreg.h,v 1.12 2009/09/03 14:29:42 sborrill Exp $ */
2
3/*
4 * Copyright (c) 2000 Michael Shalayeff
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 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
31 */
32
33#ifndef _DEV_PCI_AUICHREG_H_
34#define _DEV_PCI_AUICHREG_H_
35
36/*
37 * AC'97 audio found on Intel 810/820/440MX chipsets.
38 * http://developer.intel.com/design/chipsets/datashts/290655.htm
39 * http://developer.intel.com/design/chipsets/manuals/298028.htm
40 */
41
42/* 12.1.10 NAMBAR - native audio mixer base address register */
43#define ICH_NAMBAR 0x10
44/* 12.1.11 NABMBAR - native audio bus mastering base address register */
45#define ICH_NABMBAR 0x14
46#define ICH_MMBAR 0x18 /* ICH4/ICH5/ICH6/ICH7 native audio mixer BAR */
47#define ICH_MBBAR 0x1c /* ICH4/ICH5/ICH6/ICH7 native bus mastering BAR */
48#define ICH_CFG 0x40
49#define ICH_CFG_IOSE 0x0100
50
51/* table 12-3. native audio bus master control registers */
52#define ICH_BDBAR 0x00 /* 8-byte aligned address */
53#define ICH_CIV 0x04 /* 5 bits current index value */
54#define ICH_LVI 0x05 /* 5 bits last valid index value */
55#define ICH_LVI_MASK 0x1f
56#define ICH_STS 0x06 /* 16 bits status */
57#define ICH_FIFOE 0x10 /* fifo error */
58#define ICH_BCIS 0x08 /* r- buf cmplt int sts; wr ack */
59#define ICH_LVBCI 0x04 /* r- last valid bci, wr ack */
60#define ICH_CELV 0x02 /* current equals last valid */
61#define ICH_DCH 0x01 /* DMA halted */
62#define ICH_ISTS_BITS "\020\01dch\02celv\03lvbci\04bcis\05fifoe"
63#define ICH_PICB 0x08 /* 16 bits */
64#define ICH_PIV 0x0a /* 5 bits prefetched index value */
65#define ICH_CTRL 0x0b /* control */
66#define ICH_IOCE 0x10 /* int on completion enable */
67#define ICH_FEIE 0x08 /* fifo error int enable */
68#define ICH_LVBIE 0x04 /* last valid buf int enable */
69#define ICH_RR 0x02 /* 1 - reset regs */
70#define ICH_RPBM 0x01 /* 1 - run, 0 - pause */
71
72#define ICH_CODEC_OFFSET 0x80
73
74#define ICH_PCMI 0x00
75#define ICH_PCMO 0x10
76#define ICH_MICI 0x20
77
78#define ICH_GCTRL 0x2c
79#define ICH_SSM_78 0x40000000 /* S/PDIF slots 7 and 8 */
80#define ICH_SSM_69 0x80000000 /* S/PDIF slots 6 and 9 */
81#define ICH_SSM_1011 0xc0000000 /* S/PDIF slots 10 and 11 */
82#define ICH_POM16 0x000000 /* PCM out precision 16bit */
83#define ICH_POM20 0x400000 /* PCM out precision 20bit */
84#define ICH_PCM246_MASK 0x300000
85#define ICH_PCM2 0x000000 /* 2ch output */
86#define ICH_PCM4 0x100000 /* 4ch output */
87#define ICH_PCM6 0x200000 /* 6ch output */
88#define ICH_SIS_PCM246_MASK 0x0000c0
89#define ICH_SIS_PCM2 0x000000 /* 2ch output */
90#define ICH_SIS_PCM4 0x000040 /* 4ch output */
91#define ICH_SIS_PCM6 0x000080 /* 6ch output */
92#define ICH_S2RIE 0x40 /* int when tertiary codec resume */
93#define ICH_SRIE 0x20 /* int when 2ndary codec resume */
94#define ICH_PRIE 0x10 /* int when primary codec resume */
95#define ICH_ACLSO 0x08 /* aclink shut off */
96#define ICH_WRESET 0x04 /* warm reset */
97#define ICH_CRESET 0x02 /* cold reset */
98#define ICH_GIE 0x01 /* gpi int enable */
99#define ICH_GSTS 0x30
100#define ICH_S2RI 0x20000000 /* tertiary resume int */
101#define ICH_S2CR 0x10000000 /* tertiary codec ready */
102#define ICH_BCS 0x08000000 /* bit clock stopped */
103#define ICH_SPINT 0x04000000 /* S/PDIF int */
104#define ICH_P2INT 0x02000000 /* PCM-In 2 int */
105#define ICH_M2INT 0x01000000 /* mic 2 int */
106#define ICH_SAMPLE_CAP 0x00c00000 /* sampling precision capability */
107#define ICH_CHAN_CAP 0x00300000 /* multi-channel capability */
108#define ICH_MD3 0x20000 /* pwr-dn semaphore for modem */
109#define ICH_AD3 0x10000 /* pwr-dn semaphore for audio */
110#define ICH_RCS 0x08000 /* read completion status */
111#define ICH_B3S12 0x04000 /* bit 3 of slot 12 */
112#define ICH_B2S12 0x02000 /* bit 2 of slot 12 */
113#define ICH_B1S12 0x01000 /* bit 1 of slot 12 */
114#define ICH_SRI 0x00800 /* secondary resume int */
115#define ICH_PRI 0x00400 /* primary resume int */
116#define ICH_SCR 0x00200 /* secondary codec ready */
117#define ICH_PCR 0x00100 /* primary codec ready */
118#define ICH_MINT 0x00080 /* mic in int */
119#define ICH_POINT 0x00040 /* pcm out int */
120#define ICH_PIINT 0x00020 /* pcm in int */
121#define ICH_MOINT 0x00004 /* modem out int */
122#define ICH_MIINT 0x00002 /* modem in int */
123#define ICH_GSCI 0x00001 /* gpi status change */
124#define ICH_GSTS_BITS "\020\01gsci\02miict\03moint\06piint\07point\010mint\011pcr\012scr\013pri\014sri\015b1s12\016b2s12\017b3s12\020rcs\021ad3\022md3"
125#define ICH_CAS 0x34 /* 1/8 bit */
126#define ICH_SEMATIMO 1000 /* us */
127
128#define ICH_SIS_NV_CTL 0x4c /* some SiS/nVidia register. From Linux */
129#define ICH_SIS_CTL_UNMUTE 0x01 /* un-mute the output */
130
131/*
132 * according to the dev/audiovar.h AU_RING_SIZE is 2^16, what fits
133 * in our limits perfectly, i.e. setting it to higher value
134 * in your kernel config would improve perfomance, still 2^21 is the max
135 */
136#define ICH_DMALIST_MAX 32
137#define ICH_DMASEG_MAX (65536*2) /* 64k samples, 2x16 bit samples */
138struct auich_dmalist {
139 u_int32_t base;
140 u_int32_t len;
141#define ICH_DMAF_IOC 0x80000000 /* 1-int on complete */
142#define ICH_DMAF_BUP 0x40000000 /* 0-retrans last, 1-transmit 0 */
143};
144
145#endif /* _DEV_PCI_AUICHREG_H_ */
146