NetBSD/sys/dev/pci/auichreg.h

120 lines
5.0 KiB
C

/* $NetBSD: auichreg.h,v 1.2 2000/11/28 16:57:16 thorpej Exp $ */
/*
* Copyright (c) 2000 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
*/
#ifndef _DEV_PCI_AUICHREG_H_
#define _DEV_PCI_AUICHREG_H_
/*
* AC'97 audio found on Intel 810/820/440MX chipsets.
* http://developer.intel.com/design/chipsets/datashts/290655.htm
* http://developer.intel.com/design/chipsets/manuals/298028.htm
*/
/* 12.1.10 NAMBAR - native audio mixer base address register */
#define ICH_NAMBAR 0x10
/* 12.1.11 NABMBAR - native audio bus mastering base address register */
#define ICH_NABMBAR 0x14
/* table 12-3. native audio bus master control registers */
#define ICH_BDBAR 0x00 /* 8-byte aligned address */
#define ICH_CIV 0x04 /* 5 bits current index value */
#define ICH_LVI 0x05 /* 5 bits last valid index value */
#define ICH_LVI_MASK 0x1f
#define ICH_STS 0x06 /* 16 bits status */
#define ICH_FIFOE 0x10 /* fifo error */
#define ICH_BCIS 0x08 /* r- buf cmplt int sts; wr ack */
#define ICH_LVBCI 0x04 /* r- last valid bci, wr ack */
#define ICH_CELV 0x02 /* current equals last valid */
#define ICH_DCH 0x01 /* dma halted */
#define ICH_ISTS_BITS "\020\01dch\02celv\03lvbci\04bcis\05fifoe"
#define ICH_PICB 0x08 /* 16 bits */
#define ICH_PIV 0x0a /* 5 bits prefetched index value */
#define ICH_CTRL 0x0b /* control */
#define ICH_IOCE 0x10 /* int on completion enable */
#define ICH_FEIE 0x08 /* fifo error int enable */
#define ICH_LVBIE 0x04 /* last valid buf int enable */
#define ICH_RR 0x02 /* 1 - reset regs */
#define ICH_RPBM 0x01 /* 1 - run, 0 - pause */
#define ICH_PCMI 0x00
#define ICH_PCMO 0x10
#define ICH_MICI 0x20
#define ICH_GCTRL 0x2c
#define ICH_SRIE 0x20 /* int when 2ndary codec resume */
#define ICH_PRIE 0x10 /* int when primary codec resume */
#define ICH_ACLSO 0x08 /* aclink shut off */
#define ICH_WRESET 0x04 /* warm reset */
#define ICH_CRESET 0x02 /* cold reset */
#define ICH_GIE 0x01 /* gpi int enable */
#define ICH_GSTS 0x30
#define ICH_MD3 0x20000 /* pwr-dn semaphore for modem */
#define ICH_AD3 0x10000 /* pwr-dn semaphore for audio */
#define ICH_RCS 0x08000 /* read completion status */
#define ICH_B3S12 0x04000 /* bit 3 of slot 12 */
#define ICH_B2S12 0x02000 /* bit 2 of slot 12 */
#define ICH_B1S12 0x01000 /* bit 1 of slot 12 */
#define ICH_SRI 0x00800 /* secondary resume int */
#define ICH_PRI 0x00400 /* primary resume int */
#define ICH_SCR 0x00200 /* secondary codec ready */
#define ICH_PCR 0x00100 /* primary codec ready */
#define ICH_MINT 0x00080 /* mic in int */
#define ICH_POINT 0x00040 /* pcm out int */
#define ICH_PIINT 0x00020 /* pcm in int */
#define ICH_MOINT 0x00004 /* modem out int */
#define ICH_MIINT 0x00002 /* modem in int */
#define ICH_GSCI 0x00001 /* gpi status change */
#define ICH_GSTS_BITS "\020\01gsci\02miict\03moint\06piint\07point\010mint\011pcr\012scr\013pri\014sri\015b1s12\016b2s12\017b3s12\020rcs\021ad3\022md3"
#define ICH_CAS 0x34 /* 1/8 bit */
#define ICH_SEMATIMO 1000 /* us */
/* Bits in the AC97_REG_POWER register */
#define ICH_PM_PCMI 0x100
#define ICH_PM_PCMO 0x200
#define ICH_PM_MICI 0x400
/*
* according to the dev/audiovar.h AU_RING_SIZE is 2^16, what fits
* in our limits perfectly, i.e. setting it to higher value
* in your kernel config would improve perfomance, still 2^21 is the max
*/
#define ICH_DMALIST_MAX 32
#define ICH_DMASEG_MAX (65536*2) /* 64k samples, 2x16 bit samples */
struct auich_dmalist {
u_int32_t base;
u_int32_t len;
#define ICH_DMAF_IOC 0x80000000 /* 1-int on complete */
#define ICH_DMAF_BUP 0x40000000 /* 0-retrans last, 1-transmit 0 */
};
#endif /* _DEV_PCI_AUICHREG_H_ */