diff options
Diffstat (limited to 'sys/dev/sound/pci/via82c686.h')
-rw-r--r-- | sys/dev/sound/pci/via82c686.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/sys/dev/sound/pci/via82c686.h b/sys/dev/sound/pci/via82c686.h new file mode 100644 index 0000000..ac6750e --- /dev/null +++ b/sys/dev/sound/pci/via82c686.h @@ -0,0 +1,93 @@ +/*- + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Tyler C. Sarna. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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 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. + * + * $FreeBSD$ + */ + +#ifndef _VIA_H +#define _VIA_H + +/* + * VIA Technologies VT82C686A Southbridge Audio Driver + * + * Documentation links: + * + * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf + * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf + * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) + */ + +#define VIA_AC97STATUS 0x40 +#define VIA_AC97STATUS_RDY 0x01 +#define VIA_AC97STATUS_LOWPWR 0x02 +#define VIA_AC97STATUS_2RDY 0x04 + +#define VIA_ACLINKCTRL 0x41 +#define VIA_ACLINK_EN 0x80 /* ac link enab */ +#define VIA_ACLINK_NRST 0x40 /* ~(ac reset) */ +#define VIA_ACLINK_SYNC 0x20 /* ac sync */ +#define VIA_ACLINK_VSR 0x08 /* var. samp. rate */ +#define VIA_ACLINK_SGD 0x04 /* SGD enab */ +#define VIA_ACLINK_FM 0x02 /* FM enab */ +#define VIA_ACLINK_SB 0x01 /* SB enab */ +#define VIA_ACLINK_DESIRED (VIA_ACLINK_EN|VIA_ACLINK_NRST|VIA_ACLINK_VSR|VIA_ACLINK_SGD) +#define VIA_PCICONF_FUNC_EN 0x42 + +#define VIA_PLAY_STAT 0x00 +#define VIA_RECORD_STAT 0x10 +#define VIA_RPSTAT_INTR 0x03 +#define VIA_PLAY_CONTROL 0x01 +#define VIA_RECORD_CONTROL 0x11 +#define VIA_RPCTRL_START 0x80 +#define VIA_RPCTRL_TERMINATE 0x40 +#define VIA_PLAY_MODE 0x02 +#define VIA_RECORD_MODE 0x12 +#define VIA_RPMODE_INTR_FLAG 0x01 +#define VIA_RPMODE_INTR_EOL 0x02 +#define VIA_RPMODE_STEREO 0x10 +#define VIA_RPMODE_16BIT 0x20 +#define VIA_RPMODE_AUTOSTART 0x80 +#define VIA_PLAY_DMAOPS_BASE 0x04 +#define VIA_RECORD_DMAOPS_BASE 0x14 +#define VIA_PLAY_DMAOPS_COUNT 0x0C +#define VIA_RECORD_DMAOPS_COUNT 0x1C + +#define VIA_CODEC_CTL 0x80 +#define VIA_CODEC_READ 0x00800000 +#define VIA_CODEC_BUSY 0x01000000 +#define VIA_CODEC_PRIVALID 0x02000000 +#define VIA_CODEC_INDEX(x) ((x)<<16) + +#endif /* _VIA_H */ |