1 /*        $NetBSD: auichreg.h,v 1.13 2018/02/08 09:05:19 dholland 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 performance, 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 */
138 struct 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