4574 lines
114 KiB
C
4574 lines
114 KiB
C
/* $NetBSD: gus.c,v 1.13 1996/04/11 22:28:42 cgd Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ken Hornstein and John Kohl.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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*
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* TODO:
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* . figure out why mixer activity while sound is playing causes problems
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* (phantom interrupts?)
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* . figure out a better deinterleave strategy that avoids sucking up
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* CPU, memory and cache bandwidth. (Maybe a special encoding?
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* Maybe use the double-speed sampling/hardware deinterleave trick
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* from the GUS SDK?) A 486/33 isn't quite fast enough to keep
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* up with 44.1kHz 16-bit stereo output without some drop-outs.
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* . use CS4231 for 16-bit sampling, for a-law and mu-law playback.
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* . actually test full-duplex sampling(recording) and playback.
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*/
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/*
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* Gravis UltraSound driver
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*
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* For more detailed information, see the GUS developers' kit
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* available on the net at:
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*
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* ftp://freedom.nmsu.edu/pub/ultrasound/gravis/util/
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* gusdkXXX.zip (developers' kit--get rev 2.22 or later)
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* See ultrawrd.doc inside--it's MS Word (ick), but it's the bible
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*
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*/
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/*
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* The GUS Max has a slightly strange set of connections between the CS4231
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* and the GF1 and the DMA interconnects. It's set up so that the CS4231 can
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* be playing while the GF1 is loading patches from the system.
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*
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* Here's a recreation of the DMA interconnect diagram:
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*
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* GF1
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* +---------+ digital
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* | | record ASIC
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* | |--------------+
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* | | | +--------+
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* | | play (dram) | +----+ | |
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* | |--------------(------|-\ | | +-+ |
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* +---------+ | | >-|----|---|C|--|------ dma chan 1
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* | +---|-/ | | +-+ |
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* | | +----+ | | |
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* | | +----+ | | |
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* +---------+ +-+ +--(---|-\ | | | |
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* | | play |8| | | >-|----|----+---|------ dma chan 2
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* | ---C----|--------|/|------(---|-/ | | |
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* | ^ |record |1| | +----+ | |
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* | | | /----|6|------+ +--------+
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* | ---+----|--/ +-+
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* +---------+
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* CS4231 8-to-16 bit bus conversion, if needed
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*
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*
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* "C" is an optional combiner.
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*
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*/
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#include "gus.h"
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#if NGUS > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/buf.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <machine/cpu.h>
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#include <machine/pio.h>
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#include <machine/cpufunc.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/mulaw.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <i386/isa/icu.h>
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#include <dev/ic/ics2101reg.h>
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#include <dev/ic/cs4231reg.h>
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#include <dev/ic/ad1848reg.h>
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#include <dev/isa/ics2101var.h>
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#include <dev/isa/ad1848var.h>
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#include <dev/isa/cs4231var.h>
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#include "gusreg.h"
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#ifdef AUDIO_DEBUG
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#define STATIC /* empty; for debugging symbols */
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#else
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#define STATIC static
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#endif
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/*
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* Software state of a single "voice" on the GUS
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*/
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struct gus_voice {
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/*
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* Various control bits
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*/
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unsigned char voccntl; /* State of voice control register */
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unsigned char volcntl; /* State of volume control register */
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unsigned char pan_pos; /* Position of volume panning (4 bits) */
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int rate; /* Sample rate of voice being played back */
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/*
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* Address of the voice data into the GUS's DRAM. 20 bits each
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*/
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u_long start_addr; /* Starting address of voice data loop area */
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u_long end_addr; /* Ending address of voice data loop */
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u_long current_addr; /* Beginning address of voice data
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(start playing here) */
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/*
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* linear volume values for the GUS's volume ramp. 0-511 (9 bits).
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* These values must be translated into the logarithmic values using
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* gus_log_volumes[]
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*/
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int start_volume; /* Starting position of volume ramp */
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int current_volume; /* Current position of volume on volume ramp */
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int end_volume; /* Ending position of volume on volume ramp */
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};
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/*
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* Software state of GUS
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*/
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struct gus_softc {
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struct device sc_dev; /* base device */
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struct isadev sc_id; /* ISA device */
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void *sc_ih; /* interrupt vector */
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int sc_iobase; /* I/O base address */
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int sc_irq; /* IRQ used */
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int sc_drq; /* DMA channel for play */
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int sc_recdrq; /* DMA channel for recording */
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int sc_flags; /* Various flags about the GUS */
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#define GUS_MIXER_INSTALLED 0x01 /* An ICS mixer is installed */
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#define GUS_LOCKED 0x02 /* GUS is busy doing multi-phase DMA */
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#define GUS_CODEC_INSTALLED 0x04 /* CS4231 installed/MAX */
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#define GUS_PLAYING 0x08 /* GUS is playing a voice */
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#define GUS_DMAOUT_ACTIVE 0x10 /* GUS is busy doing audio DMA */
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#define GUS_DMAIN_ACTIVE 0x20 /* GUS is busy sampling */
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#define GUS_OPEN 0x100 /* GUS is open */
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int sc_dsize; /* Size of GUS DRAM */
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int sc_voices; /* Number of active voices */
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u_char sc_revision; /* Board revision of GUS */
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u_char sc_mixcontrol; /* Value of GUS_MIX_CONTROL register */
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u_long sc_orate; /* Output sampling rate */
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u_long sc_irate; /* Input sampling rate */
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int sc_encoding; /* Current data encoding type */
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int sc_precision; /* # of bits of precision */
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int sc_channels; /* Number of active channels */
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int sc_blocksize; /* Current blocksize */
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int sc_chanblocksize; /* Current blocksize for each in-use
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channel */
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short sc_nbufs; /* how many on-GUS bufs per-channel */
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short sc_bufcnt; /* how many need to be played */
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void *sc_deintr_buf; /* deinterleave buffer for stereo */
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int sc_ogain; /* Output gain control */
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u_char sc_out_port; /* Current out port (generic only) */
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u_char sc_in_port; /* keep track of it when no codec */
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void (*sc_dmaoutintr) __P((void*)); /* DMA completion intr handler */
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void *sc_outarg; /* argument for sc_dmaoutintr() */
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u_char *sc_dmaoutaddr; /* for isa_dmadone */
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u_long sc_gusaddr; /* where did we just put it? */
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int sc_dmaoutcnt; /* for isa_dmadone */
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void (*sc_dmainintr) __P((void*)); /* DMA completion intr handler */
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void *sc_inarg; /* argument for sc_dmaoutintr() */
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u_char *sc_dmainaddr; /* for isa_dmadone */
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int sc_dmaincnt; /* for isa_dmadone */
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struct stereo_dma_intr {
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void (*intr)__P((void *));
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void *arg;
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u_char *buffer;
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u_long dmabuf;
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int size;
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int flags;
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} sc_stereo;
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/*
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* State information for linear audio layer
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*/
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int sc_dmabuf; /* Which ring buffer we're DMA'ing to */
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int sc_playbuf; /* Which ring buffer we're playing */
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/*
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* Voice information array. All voice-specific information is stored
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* here
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*/
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struct gus_voice sc_voc[32]; /* Voice data for each voice */
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union {
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struct ics2101_softc sc_mixer_u;
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struct ad1848_softc sc_codec_u;
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} u;
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#define sc_mixer u.sc_mixer_u
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#define sc_codec u.sc_codec_u
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};
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struct ics2101_volume {
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u_char left;
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u_char right;
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};
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#define HAS_CODEC(sc) ((sc)->sc_flags & GUS_CODEC_INSTALLED)
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#define HAS_MIXER(sc) ((sc)->sc_flags & GUS_MIXER_INSTALLED)
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/*
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* Mixer devices for ICS2101
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*/
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/* MIC IN mute, line in mute, line out mute are first since they can be done
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even if no ICS mixer. */
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#define GUSICS_MIC_IN_MUTE 0
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#define GUSICS_LINE_IN_MUTE 1
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#define GUSICS_MASTER_MUTE 2
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#define GUSICS_CD_MUTE 3
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#define GUSICS_DAC_MUTE 4
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#define GUSICS_MIC_IN_LVL 5
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#define GUSICS_LINE_IN_LVL 6
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#define GUSICS_CD_LVL 7
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#define GUSICS_DAC_LVL 8
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#define GUSICS_MASTER_LVL 9
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#define GUSICS_RECORD_SOURCE 10
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/* Classes */
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#define GUSICS_INPUT_CLASS 11
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#define GUSICS_OUTPUT_CLASS 12
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#define GUSICS_RECORD_CLASS 13
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/*
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* Mixer & MUX devices for CS4231
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*/
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#define GUSMAX_MIX_IN 0 /* input to MUX from mixer output */
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#define GUSMAX_MONO_LVL 1 /* mic input to MUX;
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also mono mixer input */
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#define GUSMAX_DAC_LVL 2 /* input to MUX; also mixer input */
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#define GUSMAX_LINE_IN_LVL 3 /* input to MUX; also mixer input */
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#define GUSMAX_CD_LVL 4 /* mixer input only */
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#define GUSMAX_MONITOR_LVL 5 /* digital mix (?) */
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#define GUSMAX_OUT_LVL 6 /* output level. (?) */
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#define GUSMAX_SPEAKER_LVL 7 /* pseudo-device for mute */
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#define GUSMAX_LINE_IN_MUTE 8 /* pre-mixer */
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#define GUSMAX_DAC_MUTE 9 /* pre-mixer */
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#define GUSMAX_CD_MUTE 10 /* pre-mixer */
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#define GUSMAX_MONO_MUTE 11 /* pre-mixer--microphone/mono */
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#define GUSMAX_MONITOR_MUTE 12 /* post-mixer level/mute */
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#define GUSMAX_SPEAKER_MUTE 13 /* speaker mute */
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#define GUSMAX_REC_LVL 14 /* post-MUX gain */
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#define GUSMAX_RECORD_SOURCE 15
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/* Classes */
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#define GUSMAX_INPUT_CLASS 16
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#define GUSMAX_RECORD_CLASS 17
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#define GUSMAX_MONITOR_CLASS 18
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#define GUSMAX_OUTPUT_CLASS 19
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#ifdef AUDIO_DEBUG
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#define GUSPLAYDEBUG /*XXX*/
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extern void Dprintf __P((const char *, ...));
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#define DPRINTF(x) if (gusdebug) Dprintf x
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#define DMAPRINTF(x) if (gusdmadebug) Dprintf x
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int gusdebug = 0;
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int gusdmadebug = 0;
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#else
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#define DPRINTF(x)
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#define DMAPRINTF(x)
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#endif
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int gus_dostereo = 1;
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#define NDMARECS 2048
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#ifdef GUSPLAYDEBUG
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int gusstats = 0;
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struct dma_record {
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struct timeval tv;
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u_long gusaddr;
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caddr_t bsdaddr;
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u_short count;
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u_char channel;
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u_char direction;
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} dmarecords[NDMARECS];
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int dmarecord_index = 0;
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#endif
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/*
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* local routines
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*/
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int gusopen __P((dev_t, int));
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void gusclose __P((void *));
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void gusmax_close __P((void *));
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int gusintr __P((void *));
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int gus_set_in_gain __P((caddr_t, u_int, u_char));
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int gus_get_in_gain __P((caddr_t));
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int gus_set_out_gain __P((caddr_t, u_int, u_char));
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int gus_get_out_gain __P((caddr_t));
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int gus_set_in_sr __P((void *, u_long));
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u_long gus_get_in_sr __P((void *));
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int gusmax_set_in_sr __P((void *, u_long));
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u_long gusmax_get_in_sr __P((void *));
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int gus_set_out_sr __P((void *, u_long));
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u_long gus_get_out_sr __P((void *));
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int gusmax_set_out_sr __P((void *, u_long));
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u_long gusmax_get_out_sr __P((void *));
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int gus_set_encoding __P((void *, u_int));
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int gus_get_encoding __P((void *));
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int gusmax_set_encoding __P((void *, u_int));
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int gusmax_get_encoding __P((void *));
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int gus_set_precision __P((void *, u_int));
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int gus_get_precision __P((void *));
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int gusmax_set_precision __P((void *, u_int));
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int gusmax_get_precision __P((void *));
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int gus_set_channels __P((void *, int));
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int gus_get_channels __P((void *));
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int gusmax_set_channels __P((void *, int));
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int gusmax_get_channels __P((void *));
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int gus_round_blocksize __P((void *, int));
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int gus_set_out_port __P((void *, int));
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int gus_get_out_port __P((void *));
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int gus_set_in_port __P((void *, int));
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int gus_get_in_port __P((void *));
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int gus_commit_settings __P((void *));
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int gus_dma_output __P((void *, void *, int, void (*)(), void *));
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int gus_dma_input __P((void *, void *, int, void (*)(), void *));
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int gus_halt_out_dma __P((void *));
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int gus_halt_in_dma __P((void *));
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int gus_cont_out_dma __P((void *));
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int gus_cont_in_dma __P((void *));
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int gus_speaker_ctl __P((void *, int));
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int gusmax_set_precision __P((void *, u_int));
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int gusmax_get_precision __P((void *));
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int gusmax_round_blocksize __P((void *, int));
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int gusmax_commit_settings __P((void *));
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int gusmax_dma_output __P((void *, void *, int, void (*)(), void *));
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int gusmax_dma_input __P((void *, void *, int, void (*)(), void *));
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int gusmax_halt_out_dma __P((void *));
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int gusmax_halt_in_dma __P((void *));
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int gusmax_cont_out_dma __P((void *));
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int gusmax_cont_in_dma __P((void *));
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int gusmax_speaker_ctl __P((void *, int));
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int gusmax_set_out_port __P((void *, int));
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int gusmax_get_out_port __P((void *));
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int gusmax_set_in_port __P((void *, int));
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int gusmax_get_in_port __P((void *));
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int gus_getdev __P((void *, struct audio_device *));
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STATIC void gus_deinterleave __P((struct gus_softc *, void *, int));
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STATIC void gus_expand __P((void *, int, u_char *, int));
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STATIC void gusmax_expand __P((void *, int, u_char *, int));
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STATIC int gus_mic_ctl __P((void *, int));
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STATIC int gus_linein_ctl __P((void *, int));
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STATIC int gus_test_iobase __P((int));
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STATIC void guspoke __P((int, long, u_char));
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STATIC void gusdmaout __P((struct gus_softc *, int, u_long, caddr_t, int));
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STATIC void gus_init_cs4231 __P((struct gus_softc *));
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STATIC void gus_init_ics2101 __P((struct gus_softc *));
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STATIC void gus_set_chan_addrs __P((struct gus_softc *));
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STATIC void gusreset __P((struct gus_softc *, int));
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STATIC void gus_set_voices __P((struct gus_softc *, int));
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STATIC void gus_set_volume __P((struct gus_softc *, int, int));
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STATIC void gus_set_samprate __P((struct gus_softc *, int, int));
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STATIC void gus_set_recrate __P((struct gus_softc *, u_long));
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STATIC void gus_start_voice __P((struct gus_softc *, int, int)),
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gus_stop_voice __P((struct gus_softc *, int, int)),
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gus_set_endaddr __P((struct gus_softc *, int, u_long)),
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gus_set_curaddr __P((struct gus_softc *, int, u_long));
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STATIC u_long gus_get_curaddr __P((struct gus_softc *, int));
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STATIC int gus_dmaout_intr __P((struct gus_softc *));
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STATIC void gus_dmaout_dointr __P((struct gus_softc *));
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STATIC void gus_dmaout_timeout __P((void *));
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STATIC int gus_dmain_intr __P((struct gus_softc *));
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STATIC int gus_voice_intr __P((struct gus_softc *));
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STATIC void gus_start_playing __P((struct gus_softc *, int));
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STATIC int gus_continue_playing __P((struct gus_softc *, int));
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STATIC u_char guspeek __P((int, u_long));
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STATIC unsigned long convert_to_16bit();
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STATIC int gus_setfd __P((void *, int));
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STATIC int gus_mixer_set_port __P((void *, mixer_ctrl_t *));
|
|
STATIC int gus_mixer_get_port __P((void *, mixer_ctrl_t *));
|
|
STATIC int gusmax_mixer_set_port __P((void *, mixer_ctrl_t *));
|
|
STATIC int gusmax_mixer_get_port __P((void *, mixer_ctrl_t *));
|
|
STATIC int gus_mixer_query_devinfo __P((void *, mixer_devinfo_t *));
|
|
STATIC int gusmax_mixer_query_devinfo __P((void *, mixer_devinfo_t *));
|
|
STATIC int gus_query_encoding __P((void *, struct audio_encoding *));
|
|
|
|
STATIC void gusics_master_mute __P((struct ics2101_softc *, int));
|
|
STATIC void gusics_dac_mute __P((struct ics2101_softc *, int));
|
|
STATIC void gusics_mic_mute __P((struct ics2101_softc *, int));
|
|
STATIC void gusics_linein_mute __P((struct ics2101_softc *, int));
|
|
STATIC void gusics_cd_mute __P((struct ics2101_softc *, int));
|
|
|
|
/*
|
|
* ISA bus driver routines
|
|
*/
|
|
|
|
int gusprobe __P((struct device *, void *, void *));
|
|
void gusattach __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach gus_ca = {
|
|
sizeof(struct gus_softc), gusprobe, gusattach,
|
|
};
|
|
|
|
struct cfdriver gus_cd = {
|
|
NULL, "gus", DV_DULL
|
|
};
|
|
|
|
|
|
/*
|
|
* A mapping from IRQ/DRQ values to the values used in the GUS's internal
|
|
* registers. A zero means that the referenced IRQ/DRQ is invalid
|
|
*/
|
|
|
|
static int gus_irq_map[] = {
|
|
IRQUNK, IRQUNK, 1, 3, IRQUNK, 2, IRQUNK, 4, IRQUNK, 1, IRQUNK, 5, 6,
|
|
IRQUNK, IRQUNK, 7
|
|
};
|
|
static int gus_drq_map[] = {
|
|
DRQUNK, 1, DRQUNK, 2, DRQUNK, 3, 4, 5
|
|
};
|
|
|
|
/*
|
|
* A list of valid base addresses for the GUS
|
|
*/
|
|
|
|
static int gus_base_addrs[] = {
|
|
0x210, 0x220, 0x230, 0x240, 0x250, 0x260
|
|
};
|
|
static int gus_addrs = sizeof(gus_base_addrs) / sizeof(gus_base_addrs[0]);
|
|
|
|
/*
|
|
* Maximum frequency values of the GUS based on the number of currently active
|
|
* voices. Since the GUS samples a voice every 1.6 us, the maximum frequency
|
|
* is dependent on the number of active voices. Yes, it is pretty weird.
|
|
*/
|
|
|
|
static int gus_max_frequency[] = {
|
|
44100, /* 14 voices */
|
|
41160, /* 15 voices */
|
|
38587, /* 16 voices */
|
|
36317, /* 17 voices */
|
|
34300, /* 18 voices */
|
|
32494, /* 19 voices */
|
|
30870, /* 20 voices */
|
|
29400, /* 21 voices */
|
|
28063, /* 22 voices */
|
|
26843, /* 23 voices */
|
|
25725, /* 24 voices */
|
|
24696, /* 25 voices */
|
|
23746, /* 26 voices */
|
|
22866, /* 27 voices */
|
|
22050, /* 28 voices */
|
|
21289, /* 29 voices */
|
|
20580, /* 30 voices */
|
|
19916, /* 31 voices */
|
|
19293 /* 32 voices */
|
|
};
|
|
/*
|
|
* A mapping of linear volume levels to the logarithmic volume values used
|
|
* by the GF1 chip on the GUS. From GUS SDK vol1.c.
|
|
*/
|
|
|
|
static unsigned short gus_log_volumes[512] = {
|
|
0x0000,
|
|
0x0700, 0x07ff, 0x0880, 0x08ff, 0x0940, 0x0980, 0x09c0, 0x09ff, 0x0a20,
|
|
0x0a40, 0x0a60, 0x0a80, 0x0aa0, 0x0ac0, 0x0ae0, 0x0aff, 0x0b10, 0x0b20,
|
|
0x0b30, 0x0b40, 0x0b50, 0x0b60, 0x0b70, 0x0b80, 0x0b90, 0x0ba0, 0x0bb0,
|
|
0x0bc0, 0x0bd0, 0x0be0, 0x0bf0, 0x0bff, 0x0c08, 0x0c10, 0x0c18, 0x0c20,
|
|
0x0c28, 0x0c30, 0x0c38, 0x0c40, 0x0c48, 0x0c50, 0x0c58, 0x0c60, 0x0c68,
|
|
0x0c70, 0x0c78, 0x0c80, 0x0c88, 0x0c90, 0x0c98, 0x0ca0, 0x0ca8, 0x0cb0,
|
|
0x0cb8, 0x0cc0, 0x0cc8, 0x0cd0, 0x0cd8, 0x0ce0, 0x0ce8, 0x0cf0, 0x0cf8,
|
|
0x0cff, 0x0d04, 0x0d08, 0x0d0c, 0x0d10, 0x0d14, 0x0d18, 0x0d1c, 0x0d20,
|
|
0x0d24, 0x0d28, 0x0d2c, 0x0d30, 0x0d34, 0x0d38, 0x0d3c, 0x0d40, 0x0d44,
|
|
0x0d48, 0x0d4c, 0x0d50, 0x0d54, 0x0d58, 0x0d5c, 0x0d60, 0x0d64, 0x0d68,
|
|
0x0d6c, 0x0d70, 0x0d74, 0x0d78, 0x0d7c, 0x0d80, 0x0d84, 0x0d88, 0x0d8c,
|
|
0x0d90, 0x0d94, 0x0d98, 0x0d9c, 0x0da0, 0x0da4, 0x0da8, 0x0dac, 0x0db0,
|
|
0x0db4, 0x0db8, 0x0dbc, 0x0dc0, 0x0dc4, 0x0dc8, 0x0dcc, 0x0dd0, 0x0dd4,
|
|
0x0dd8, 0x0ddc, 0x0de0, 0x0de4, 0x0de8, 0x0dec, 0x0df0, 0x0df4, 0x0df8,
|
|
0x0dfc, 0x0dff, 0x0e02, 0x0e04, 0x0e06, 0x0e08, 0x0e0a, 0x0e0c, 0x0e0e,
|
|
0x0e10, 0x0e12, 0x0e14, 0x0e16, 0x0e18, 0x0e1a, 0x0e1c, 0x0e1e, 0x0e20,
|
|
0x0e22, 0x0e24, 0x0e26, 0x0e28, 0x0e2a, 0x0e2c, 0x0e2e, 0x0e30, 0x0e32,
|
|
0x0e34, 0x0e36, 0x0e38, 0x0e3a, 0x0e3c, 0x0e3e, 0x0e40, 0x0e42, 0x0e44,
|
|
0x0e46, 0x0e48, 0x0e4a, 0x0e4c, 0x0e4e, 0x0e50, 0x0e52, 0x0e54, 0x0e56,
|
|
0x0e58, 0x0e5a, 0x0e5c, 0x0e5e, 0x0e60, 0x0e62, 0x0e64, 0x0e66, 0x0e68,
|
|
0x0e6a, 0x0e6c, 0x0e6e, 0x0e70, 0x0e72, 0x0e74, 0x0e76, 0x0e78, 0x0e7a,
|
|
0x0e7c, 0x0e7e, 0x0e80, 0x0e82, 0x0e84, 0x0e86, 0x0e88, 0x0e8a, 0x0e8c,
|
|
0x0e8e, 0x0e90, 0x0e92, 0x0e94, 0x0e96, 0x0e98, 0x0e9a, 0x0e9c, 0x0e9e,
|
|
0x0ea0, 0x0ea2, 0x0ea4, 0x0ea6, 0x0ea8, 0x0eaa, 0x0eac, 0x0eae, 0x0eb0,
|
|
0x0eb2, 0x0eb4, 0x0eb6, 0x0eb8, 0x0eba, 0x0ebc, 0x0ebe, 0x0ec0, 0x0ec2,
|
|
0x0ec4, 0x0ec6, 0x0ec8, 0x0eca, 0x0ecc, 0x0ece, 0x0ed0, 0x0ed2, 0x0ed4,
|
|
0x0ed6, 0x0ed8, 0x0eda, 0x0edc, 0x0ede, 0x0ee0, 0x0ee2, 0x0ee4, 0x0ee6,
|
|
0x0ee8, 0x0eea, 0x0eec, 0x0eee, 0x0ef0, 0x0ef2, 0x0ef4, 0x0ef6, 0x0ef8,
|
|
0x0efa, 0x0efc, 0x0efe, 0x0eff, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05,
|
|
0x0f06, 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
|
|
0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, 0x0f17,
|
|
0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, 0x0f1f, 0x0f20,
|
|
0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, 0x0f27, 0x0f28, 0x0f29,
|
|
0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, 0x0f2f, 0x0f30, 0x0f31, 0x0f32,
|
|
0x0f33, 0x0f34, 0x0f35, 0x0f36, 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b,
|
|
0x0f3c, 0x0f3d, 0x0f3e, 0x0f3f, 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44,
|
|
0x0f45, 0x0f46, 0x0f47, 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d,
|
|
0x0f4e, 0x0f4f, 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56,
|
|
0x0f57, 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
|
|
0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, 0x0f68,
|
|
0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, 0x0f70, 0x0f71,
|
|
0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, 0x0f78, 0x0f79, 0x0f7a,
|
|
0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, 0x0f80, 0x0f81, 0x0f82, 0x0f83,
|
|
0x0f84, 0x0f85, 0x0f86, 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c,
|
|
0x0f8d, 0x0f8e, 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95,
|
|
0x0f96, 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
|
|
0x0f9f, 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
|
|
0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, 0x0fb0,
|
|
0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, 0x0fb8, 0x0fb9,
|
|
0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, 0x0fc0, 0x0fc1, 0x0fc2,
|
|
0x0fc3, 0x0fc4, 0x0fc5, 0x0fc6, 0x0fc7, 0x0fc8, 0x0fc9, 0x0fca, 0x0fcb,
|
|
0x0fcc, 0x0fcd, 0x0fce, 0x0fcf, 0x0fd0, 0x0fd1, 0x0fd2, 0x0fd3, 0x0fd4,
|
|
0x0fd5, 0x0fd6, 0x0fd7, 0x0fd8, 0x0fd9, 0x0fda, 0x0fdb, 0x0fdc, 0x0fdd,
|
|
0x0fde, 0x0fdf, 0x0fe0, 0x0fe1, 0x0fe2, 0x0fe3, 0x0fe4, 0x0fe5, 0x0fe6,
|
|
0x0fe7, 0x0fe8, 0x0fe9, 0x0fea, 0x0feb, 0x0fec, 0x0fed, 0x0fee, 0x0fef,
|
|
0x0ff0, 0x0ff1, 0x0ff2, 0x0ff3, 0x0ff4, 0x0ff5, 0x0ff6, 0x0ff7, 0x0ff8,
|
|
0x0ff9, 0x0ffa, 0x0ffb, 0x0ffc, 0x0ffd, 0x0ffe, 0x0fff};
|
|
|
|
#define SELECT_GUS_REG(port,x) outb(port+GUS_REG_SELECT,x)
|
|
#define WHICH_GUS_REG(port) inb(port+GUS_REG_SELECT)
|
|
#define ADDR_HIGH(x) (unsigned int) ((x >> 7L) & 0x1fffL)
|
|
#define ADDR_LOW(x) (unsigned int) ((x & 0x7fL) << 9L)
|
|
|
|
#define GUS_MIN_VOICES 14 /* Minimum possible number of voices */
|
|
#define GUS_MAX_VOICES 32 /* Maximum possible number of voices */
|
|
#define GUS_VOICE_LEFT 0 /* Voice used for left (and mono) playback */
|
|
#define GUS_VOICE_RIGHT 1 /* Voice used for right playback */
|
|
#define GUS_MEM_OFFSET 32 /* Offset into GUS memory to begin of buffer */
|
|
#define GUS_BUFFER_MULTIPLE 1024 /* Audio buffers are multiples of this */
|
|
#define GUS_MEM_FOR_BUFFERS 131072 /* use this many bytes on-GUS */
|
|
#define GUS_LEFT_RIGHT_OFFSET (sc->sc_nbufs * sc->sc_chanblocksize + GUS_MEM_OFFSET)
|
|
|
|
#define GUS_PREC_BYTES (sc->sc_precision >> 3) /* precision to bytes */
|
|
|
|
/* splgus() must be splaudio() */
|
|
|
|
#define splgus splaudio
|
|
|
|
/*
|
|
* Interface to higher level audio driver
|
|
*/
|
|
|
|
struct audio_hw_if gus_hw_if = {
|
|
gusopen,
|
|
gusclose,
|
|
NULL, /* drain */
|
|
gus_set_in_sr,
|
|
gus_get_in_sr,
|
|
gus_set_out_sr,
|
|
gus_get_out_sr,
|
|
|
|
gus_query_encoding,
|
|
gus_set_encoding,
|
|
gus_get_encoding,
|
|
|
|
gus_set_precision,
|
|
gus_get_precision,
|
|
|
|
gus_set_channels,
|
|
gus_get_channels,
|
|
|
|
gus_round_blocksize,
|
|
|
|
gus_set_out_port,
|
|
gus_get_out_port,
|
|
gus_set_in_port,
|
|
gus_get_in_port,
|
|
|
|
gus_commit_settings,
|
|
|
|
ad1848_get_silence,
|
|
|
|
gus_expand,
|
|
mulaw_compress,
|
|
|
|
gus_dma_output,
|
|
gus_dma_input,
|
|
gus_halt_out_dma,
|
|
gus_halt_in_dma,
|
|
gus_cont_out_dma,
|
|
gus_cont_in_dma,
|
|
|
|
gus_speaker_ctl,
|
|
|
|
gus_getdev,
|
|
gus_setfd,
|
|
gus_mixer_set_port,
|
|
gus_mixer_get_port,
|
|
gus_mixer_query_devinfo,
|
|
1, /* full-duplex */
|
|
0,
|
|
};
|
|
|
|
|
|
/*
|
|
* Some info about the current audio device
|
|
*/
|
|
|
|
struct audio_device gus_device = {
|
|
"UltraSound",
|
|
"",
|
|
"gus",
|
|
};
|
|
|
|
#define FLIP_REV 5 /* This rev has flipped mixer chans */
|
|
|
|
|
|
int
|
|
gusprobe(parent, match, aux)
|
|
struct device *parent;
|
|
void *match, *aux;
|
|
{
|
|
register struct gus_softc *sc = match;
|
|
register struct isa_attach_args *ia = aux;
|
|
struct cfdata *cf = sc->sc_dev.dv_cfdata;
|
|
register int iobase = ia->ia_iobase;
|
|
int recdrq = cf->cf_flags;
|
|
|
|
int i;
|
|
unsigned char s1, s2;
|
|
|
|
/*
|
|
* Before we do anything else, make sure requested IRQ and DRQ are
|
|
* valid for this card.
|
|
*/
|
|
|
|
if (gus_irq_map[ia->ia_irq] == IRQUNK) {
|
|
printf("gus: invalid irq %d, card not probed\n", ia->ia_irq);
|
|
return(0);
|
|
}
|
|
|
|
if (gus_drq_map[ia->ia_drq] == DRQUNK) {
|
|
printf("gus: invalid drq %d, card not probed\n", ia->ia_drq);
|
|
return(0);
|
|
}
|
|
|
|
if (recdrq != 0x00) {
|
|
if (recdrq > 7 || gus_drq_map[recdrq] == DRQUNK) {
|
|
printf("gus: invalid flag given for second DMA channel (0x%x), card not probed\n", recdrq);
|
|
return(0);
|
|
}
|
|
} else
|
|
recdrq = ia->ia_drq;
|
|
|
|
if (iobase == IOBASEUNK) {
|
|
int i;
|
|
for(i = 0; i < gus_addrs; i++)
|
|
if (gus_test_iobase(gus_base_addrs[i])) {
|
|
iobase = gus_base_addrs[i];
|
|
goto done;
|
|
}
|
|
return 0;
|
|
} else if (! gus_test_iobase(iobase))
|
|
return 0;
|
|
|
|
done:
|
|
sc->sc_iobase = iobase;
|
|
sc->sc_irq = ia->ia_irq;
|
|
sc->sc_drq = ia->ia_drq;
|
|
sc->sc_recdrq = recdrq;
|
|
|
|
ia->ia_iobase = sc->sc_iobase;
|
|
ia->ia_iosize = 16; /* XXX */
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* Test to see if a particular I/O base is valid for the GUS. Return true
|
|
* if it is.
|
|
*/
|
|
|
|
STATIC int
|
|
gus_test_iobase (int iobase)
|
|
{
|
|
int i = splgus();
|
|
u_char s1, s2;
|
|
|
|
/*
|
|
* Reset GUS to an initial state before we do anything.
|
|
*/
|
|
|
|
delay(500);
|
|
|
|
SELECT_GUS_REG(iobase, GUSREG_RESET);
|
|
outb(iobase+GUS_DATA_HIGH, 0x00);
|
|
|
|
delay(500);
|
|
|
|
SELECT_GUS_REG(iobase, GUSREG_RESET);
|
|
outb(iobase+GUS_DATA_HIGH, GUSMASK_MASTER_RESET);
|
|
|
|
delay(500);
|
|
|
|
splx(i);
|
|
|
|
/*
|
|
* See if we can write to the board's memory
|
|
*/
|
|
|
|
s1 = guspeek(iobase, 0L);
|
|
s2 = guspeek(iobase, 1L);
|
|
|
|
guspoke(iobase, 0L, 0xaa);
|
|
guspoke(iobase, 1L, 0x55);
|
|
|
|
if ((i=(int)guspeek(iobase, 0L)) != 0xaa) {
|
|
return(0);
|
|
}
|
|
|
|
guspoke(iobase, 0L, s1);
|
|
guspoke(iobase, 1L, s2);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Setup the GUS for use; called shortly after probe
|
|
*/
|
|
|
|
void
|
|
gusattach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
register struct gus_softc *sc = (void *) self;
|
|
register struct isa_attach_args *ia = aux;
|
|
register int port = ia->ia_iobase;
|
|
int s,i;
|
|
register unsigned char c,d,m;
|
|
|
|
/*
|
|
* Figure out our board rev, and see if we need to initialize the
|
|
* mixer
|
|
*/
|
|
|
|
delay(500);
|
|
|
|
c = inb(port+GUS_BOARD_REV);
|
|
if (c != 0xff)
|
|
sc->sc_revision = c;
|
|
else
|
|
sc->sc_revision = 0;
|
|
|
|
|
|
SELECT_GUS_REG(port, GUSREG_RESET);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
|
|
gusreset(sc, GUS_MAX_VOICES); /* initialize all voices */
|
|
gusreset(sc, GUS_MIN_VOICES); /* then set to just the ones we use */
|
|
|
|
/*
|
|
* Setup the IRQ and DRQ lines in software, using values from
|
|
* config file
|
|
*/
|
|
|
|
m = GUSMASK_LINE_IN|GUSMASK_LINE_OUT; /* disable all */
|
|
|
|
c = ((unsigned char) gus_irq_map[ia->ia_irq]) | GUSMASK_BOTH_RQ;
|
|
|
|
if (sc->sc_recdrq == sc->sc_drq)
|
|
d = (unsigned char) (gus_drq_map[sc->sc_drq] |
|
|
GUSMASK_BOTH_RQ);
|
|
else
|
|
d = (unsigned char) (gus_drq_map[sc->sc_drq] |
|
|
gus_drq_map[sc->sc_recdrq] << 3);
|
|
|
|
/*
|
|
* Program the IRQ and DMA channels on the GUS. Note that we hardwire
|
|
* the GUS to only use one IRQ channel, but we give the user the
|
|
* option of using two DMA channels (the other one given by the flags
|
|
* option in the config file). Two DMA channels are needed for full-
|
|
* duplex operation.
|
|
*
|
|
* The order of these operations is very magical.
|
|
*/
|
|
|
|
disable_intr();
|
|
|
|
outb(port+GUS_REG_CONTROL, GUS_REG_IRQCTL);
|
|
outb(port+GUS_MIX_CONTROL, m);
|
|
outb(port+GUS_IRQCTL_CONTROL, 0x00);
|
|
outb(port+0x0f, 0x00);
|
|
|
|
outb(port+GUS_MIX_CONTROL, m);
|
|
outb(port+GUS_DMA_CONTROL, d | 0x80); /* magic reset? */
|
|
|
|
outb(port+GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL);
|
|
outb(port+GUS_IRQ_CONTROL, c);
|
|
|
|
outb(port+GUS_MIX_CONTROL, m);
|
|
outb(port+GUS_DMA_CONTROL, d);
|
|
|
|
outb(port+GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL);
|
|
outb(port+GUS_IRQ_CONTROL, c);
|
|
|
|
outb(port+GUS_VOICE_SELECT, 0x00);
|
|
|
|
/* enable line in, line out. leave mic disabled. */
|
|
outb(port+GUS_MIX_CONTROL,
|
|
(m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN));
|
|
outb(port+GUS_VOICE_SELECT, 0x00);
|
|
|
|
enable_intr();
|
|
|
|
sc->sc_mixcontrol =
|
|
(m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN);
|
|
|
|
|
|
if (sc->sc_revision >= 5 && sc->sc_revision <= 9) {
|
|
sc->sc_flags |= GUS_MIXER_INSTALLED;
|
|
gus_init_ics2101(sc);
|
|
}
|
|
if (sc->sc_revision >= 0xa) {
|
|
gus_init_cs4231(sc);
|
|
}
|
|
|
|
SELECT_GUS_REG(port, GUSREG_RESET);
|
|
/*
|
|
* Check to see how much memory we have on this card; see if any
|
|
* "mirroring" occurs. We're assuming at least 256K already exists
|
|
* on the card; otherwise the initial probe would have failed
|
|
*/
|
|
|
|
guspoke(port, 0L, 0x00);
|
|
for(i = 1; i < 1024; i++) {
|
|
unsigned long loc;
|
|
unsigned char val;
|
|
|
|
/*
|
|
* See if we've run into mirroring yet
|
|
*/
|
|
|
|
if (guspeek(port, 0L) != 0)
|
|
break;
|
|
|
|
loc = i << 10;
|
|
|
|
guspoke(port, loc, 0xaa);
|
|
if (guspeek(port, loc) != 0xaa)
|
|
break;
|
|
}
|
|
|
|
sc->sc_dsize = i;
|
|
sprintf(gus_device.version, "3.%d", sc->sc_revision);
|
|
|
|
printf("\n <Gravis UltraSound version 3.%d, %dKB DRAM, ",
|
|
sc->sc_revision, sc->sc_dsize);
|
|
if (HAS_MIXER(sc))
|
|
printf("ICS2101 mixer, ");
|
|
if (HAS_CODEC(sc))
|
|
printf("%s codec/mixer, ", sc->sc_codec.chip_name);
|
|
if (sc->sc_recdrq == sc->sc_drq) {
|
|
printf("half-duplex");
|
|
gus_hw_if.full_duplex = 0;
|
|
} else {
|
|
printf("full-duplex, record drq %d", sc->sc_recdrq);
|
|
gus_hw_if.full_duplex = 1;
|
|
}
|
|
|
|
printf(">\n");
|
|
|
|
/*
|
|
* Setup a default interrupt handler
|
|
*/
|
|
|
|
/* XXX we shouldn't have to use splgus == splclock, nor should
|
|
* we use IPL_CLOCK.
|
|
*/
|
|
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
|
|
IPL_AUDIO, gusintr, sc /* sc->sc_gusdsp */);
|
|
|
|
/*
|
|
* Set some default values
|
|
*/
|
|
|
|
sc->sc_irate = sc->sc_orate = 44100;
|
|
sc->sc_encoding = AUDIO_ENCODING_LINEAR;
|
|
sc->sc_precision = 16;
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
sc->sc_channels = 1;
|
|
sc->sc_ogain = 340;
|
|
gus_commit_settings(sc);
|
|
|
|
/*
|
|
* We always put the left channel full left & right channel
|
|
* full right.
|
|
* For mono playback, we set up both voices playing the same buffer.
|
|
*/
|
|
outb(sc->sc_iobase+GUS_VOICE_SELECT, (unsigned char) GUS_VOICE_LEFT);
|
|
SELECT_GUS_REG(sc->sc_iobase, GUSREG_PAN_POS);
|
|
outb(sc->sc_iobase+GUS_DATA_HIGH, GUS_PAN_FULL_LEFT);
|
|
|
|
outb(sc->sc_iobase+GUS_VOICE_SELECT, (unsigned char) GUS_VOICE_RIGHT);
|
|
SELECT_GUS_REG(sc->sc_iobase, GUSREG_PAN_POS);
|
|
outb(sc->sc_iobase+GUS_DATA_HIGH, GUS_PAN_FULL_RIGHT);
|
|
|
|
/*
|
|
* Attach to the generic audio layer
|
|
*/
|
|
|
|
if (audio_hardware_attach(&gus_hw_if, HAS_CODEC(sc) ? (void *)&sc->sc_codec : (void *)sc) != 0)
|
|
printf("gus: could not attach to audio pseudo-device driver\n");
|
|
}
|
|
|
|
int
|
|
gusopen(dev, flags)
|
|
dev_t dev;
|
|
int flags;
|
|
{
|
|
int unit = AUDIOUNIT(dev);
|
|
struct gus_softc *sc;
|
|
|
|
DPRINTF(("gusopen() called\n"));
|
|
|
|
if (unit >= gus_cd.cd_ndevs)
|
|
return ENXIO;
|
|
sc = gus_cd.cd_devs[unit];
|
|
if (!sc)
|
|
return ENXIO;
|
|
|
|
if (sc->sc_flags & GUS_OPEN)
|
|
return EBUSY;
|
|
|
|
/*
|
|
* Some initialization
|
|
*/
|
|
|
|
sc->sc_flags |= GUS_OPEN;
|
|
sc->sc_dmabuf = 0;
|
|
sc->sc_playbuf = -1;
|
|
sc->sc_bufcnt = 0;
|
|
sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1;
|
|
sc->sc_voc[GUS_VOICE_LEFT].current_addr = GUS_MEM_OFFSET;
|
|
|
|
if (HAS_CODEC(sc)) {
|
|
ad1848_open(&sc->sc_codec, dev, flags);
|
|
sc->sc_codec.aux1_mute = 0;
|
|
ad1848_mute_aux1(&sc->sc_codec, 0); /* turn on DAC output */
|
|
if (flags & FREAD) {
|
|
sc->sc_codec.mono_mute = 0;
|
|
cs4231_mute_mono(&sc->sc_codec, 0);
|
|
}
|
|
} else if (flags & FREAD) {
|
|
/* enable/unmute the microphone */
|
|
if (HAS_MIXER(sc)) {
|
|
gusics_mic_mute(&sc->sc_mixer, 0);
|
|
} else
|
|
gus_mic_ctl(sc, SPKR_ON);
|
|
}
|
|
if (sc->sc_nbufs == 0)
|
|
gus_round_blocksize(sc, GUS_BUFFER_MULTIPLE); /* default blksiz */
|
|
return 0;
|
|
}
|
|
|
|
STATIC void
|
|
gusmax_expand(hdl, encoding, buf, count)
|
|
void *hdl;
|
|
int encoding;
|
|
u_char *buf;
|
|
int count;
|
|
{
|
|
register struct ad1848_softc *ac = hdl;
|
|
|
|
gus_expand(ac->parent, encoding, buf, count);
|
|
}
|
|
|
|
STATIC void
|
|
gus_expand(hdl, encoding, buf, count)
|
|
void *hdl;
|
|
int encoding;
|
|
u_char *buf;
|
|
int count;
|
|
{
|
|
struct gus_softc *sc = hdl;
|
|
|
|
mulaw_expand(NULL, encoding, buf, count);
|
|
/*
|
|
* If we need stereo deinterleaving, do it now.
|
|
*/
|
|
if (sc->sc_channels == 2)
|
|
gus_deinterleave(sc, (void *)buf, count);
|
|
}
|
|
|
|
STATIC void
|
|
gus_deinterleave(sc, buf, size)
|
|
register struct gus_softc *sc;
|
|
void *buf;
|
|
int size;
|
|
{
|
|
/* deinterleave the stereo data. We can use sc->sc_deintr_buf
|
|
for scratch space. */
|
|
register int i;
|
|
|
|
/*
|
|
* size is in bytes.
|
|
*/
|
|
if (sc->sc_precision == 16) {
|
|
register u_short *dei = sc->sc_deintr_buf;
|
|
register u_short *sbuf = buf;
|
|
size >>= 1; /* bytecnt to shortcnt */
|
|
/* copy 2nd of each pair of samples to the staging area, while
|
|
compacting the 1st of each pair into the original area. */
|
|
for (i = 0; i < size/2-1; i++) {
|
|
dei[i] = sbuf[i*2+1];
|
|
sbuf[i+1] = sbuf[i*2+2];
|
|
}
|
|
/*
|
|
* this has copied one less sample than half of the
|
|
* buffer. The first sample of the 1st stream was
|
|
* already in place and didn't need copying.
|
|
* Therefore, we've moved all of the 1st stream's
|
|
* samples into place. We have one sample from 2nd
|
|
* stream in the last slot of original area, not
|
|
* copied to the staging area (But we don't need to!).
|
|
* Copy the remainder of the original stream into place.
|
|
*/
|
|
bcopy(dei, &sbuf[size/2], i * sizeof(short));
|
|
} else {
|
|
register u_char *dei = sc->sc_deintr_buf;
|
|
register u_char *sbuf = buf;
|
|
for (i = 0; i < size/2-1; i++) {
|
|
dei[i] = sbuf[i*2+1];
|
|
sbuf[i+1] = sbuf[i*2+2];
|
|
}
|
|
bcopy(dei, &sbuf[size/2], i);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Actually output a buffer to the DSP chip
|
|
*/
|
|
|
|
int
|
|
gusmax_dma_output(addr, buf, size, intr, arg)
|
|
void * addr;
|
|
void *buf;
|
|
int size;
|
|
void (*intr)();
|
|
void *arg;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
return gus_dma_output(ac->parent, buf, size, intr, arg);
|
|
}
|
|
|
|
/*
|
|
* called at splgus() from interrupt handler.
|
|
*/
|
|
void
|
|
stereo_dmaintr(void *arg)
|
|
{
|
|
struct gus_softc *sc = arg;
|
|
struct stereo_dma_intr *sa = &sc->sc_stereo;
|
|
|
|
DMAPRINTF(("stereo_dmaintr"));
|
|
|
|
/*
|
|
* Put other half in its place, then call the real interrupt routine :)
|
|
*/
|
|
|
|
sc->sc_dmaoutintr = sa->intr;
|
|
sc->sc_outarg = sa->arg;
|
|
|
|
#ifdef GUSPLAYDEBUG
|
|
if (gusstats) {
|
|
microtime(&dmarecords[dmarecord_index].tv);
|
|
dmarecords[dmarecord_index].gusaddr = sa->dmabuf;
|
|
dmarecords[dmarecord_index].bsdaddr = sa->buffer;
|
|
dmarecords[dmarecord_index].count = sa->size;
|
|
dmarecords[dmarecord_index].channel = 1;
|
|
dmarecords[dmarecord_index].direction = 1;
|
|
dmarecord_index = ++dmarecord_index % NDMARECS;
|
|
}
|
|
#endif
|
|
|
|
gusdmaout(sc, sa->flags, sa->dmabuf, (caddr_t) sa->buffer, sa->size);
|
|
|
|
sa->flags = 0;
|
|
sa->dmabuf = 0;
|
|
sa->buffer = 0;
|
|
sa->size = 0;
|
|
sa->intr = 0;
|
|
sa->arg = 0;
|
|
}
|
|
|
|
/*
|
|
* Start up DMA output to the card.
|
|
* Called at splgus/splaudio already, either from intr handler or from
|
|
* generic audio code.
|
|
*/
|
|
int
|
|
gus_dma_output(addr, buf, size, intr, arg)
|
|
void * addr;
|
|
void *buf;
|
|
int size;
|
|
void (*intr)();
|
|
void *arg;
|
|
{
|
|
struct gus_softc *sc = addr;
|
|
u_char *buffer = buf;
|
|
u_long boarddma;
|
|
int i, flags;
|
|
|
|
DMAPRINTF(("gus_dma_output %d @ %x\n", size, buf));
|
|
|
|
if (size != sc->sc_blocksize) {
|
|
DPRINTF(("gus_dma_output reqsize %d not sc_blocksize %d\n",
|
|
size, sc->sc_blocksize));
|
|
return EINVAL;
|
|
}
|
|
|
|
flags = GUSMASK_DMA_WRITE;
|
|
if (sc->sc_precision == 16)
|
|
flags |= GUSMASK_DMA_DATA_SIZE;
|
|
/* pcm16 is signed, mulaw & pcm8 are unsigned */
|
|
if (sc->sc_encoding == AUDIO_ENCODING_ULAW ||
|
|
sc->sc_encoding == AUDIO_ENCODING_PCM8)
|
|
flags |= GUSMASK_DMA_INVBIT;
|
|
|
|
if (sc->sc_channels == 2) {
|
|
if (sc->sc_precision == 16) {
|
|
if (size & 3) {
|
|
DPRINTF(("gus_dma_output: unpaired 16bit samples"));
|
|
size &= 3;
|
|
}
|
|
} else if (size & 1) {
|
|
DPRINTF(("gus_dma_output: unpaired samples"));
|
|
size &= 1;
|
|
}
|
|
if (size == 0)
|
|
return 0;
|
|
size >>= 1;
|
|
|
|
boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET;
|
|
|
|
sc->sc_stereo.intr = intr;
|
|
sc->sc_stereo.arg = arg;
|
|
sc->sc_stereo.size = size;
|
|
sc->sc_stereo.dmabuf = boarddma + GUS_LEFT_RIGHT_OFFSET;
|
|
sc->sc_stereo.buffer = buffer + size;
|
|
sc->sc_stereo.flags = flags;
|
|
if (gus_dostereo) {
|
|
intr = stereo_dmaintr;
|
|
arg = sc;
|
|
}
|
|
} else
|
|
boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET;
|
|
|
|
|
|
sc->sc_flags |= GUS_LOCKED;
|
|
sc->sc_dmaoutintr = intr;
|
|
sc->sc_outarg = arg;
|
|
|
|
#ifdef GUSPLAYDEBUG
|
|
if (gusstats) {
|
|
microtime(&dmarecords[dmarecord_index].tv);
|
|
dmarecords[dmarecord_index].gusaddr = boarddma;
|
|
dmarecords[dmarecord_index].bsdaddr = buffer;
|
|
dmarecords[dmarecord_index].count = size;
|
|
dmarecords[dmarecord_index].channel = 0;
|
|
dmarecords[dmarecord_index].direction = 1;
|
|
dmarecord_index = ++dmarecord_index % NDMARECS;
|
|
}
|
|
#endif
|
|
|
|
gusdmaout(sc, flags, boarddma, (caddr_t) buffer, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
gusmax_close(addr)
|
|
void *addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
/* ac->aux1_mute = 1;
|
|
ad1848_mute_aux1(ac, 1); /* turn off DAC output */
|
|
ad1848_close(ac);
|
|
gusclose(sc);
|
|
}
|
|
|
|
/*
|
|
* Close out device stuff. Called at splgus() from generic audio layer.
|
|
*/
|
|
void
|
|
gusclose(addr)
|
|
void *addr;
|
|
{
|
|
struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_close: sc=0x%x\n", sc));
|
|
|
|
|
|
/* if (sc->sc_flags & GUS_DMAOUT_ACTIVE) */ {
|
|
gus_halt_out_dma(sc);
|
|
}
|
|
/* if (sc->sc_flags & GUS_DMAIN_ACTIVE) */ {
|
|
gus_halt_in_dma(sc);
|
|
}
|
|
sc->sc_flags &= ~(GUS_OPEN|GUS_LOCKED|GUS_DMAOUT_ACTIVE|GUS_DMAIN_ACTIVE);
|
|
|
|
if (sc->sc_deintr_buf) {
|
|
FREE(sc->sc_deintr_buf, M_DEVBUF);
|
|
sc->sc_deintr_buf = NULL;
|
|
}
|
|
/* turn off speaker, etc. */
|
|
|
|
/* make sure the voices shut up: */
|
|
gus_stop_voice(sc, GUS_VOICE_LEFT, 1);
|
|
gus_stop_voice(sc, GUS_VOICE_RIGHT, 0);
|
|
}
|
|
|
|
/*
|
|
* Service interrupts. Farm them off to helper routines if we are using the
|
|
* GUS for simple playback/record
|
|
*/
|
|
|
|
#ifdef DIAGNOSTIC
|
|
int gusintrcnt;
|
|
int gusdmaintrcnt;
|
|
int gusvocintrcnt;
|
|
#endif
|
|
|
|
int
|
|
gusintr(arg)
|
|
void *arg;
|
|
{
|
|
register struct gus_softc *sc = arg;
|
|
unsigned char intr;
|
|
register int port = sc->sc_iobase;
|
|
int retval = 0;
|
|
|
|
DPRINTF(("gusintr\n"));
|
|
#ifdef DIAGNOSTIC
|
|
gusintrcnt++;
|
|
#endif
|
|
if (HAS_CODEC(sc))
|
|
retval = ad1848_intr(&sc->sc_codec);
|
|
if ((intr = inb(port+GUS_IRQ_STATUS)) & GUSMASK_IRQ_DMATC) {
|
|
DMAPRINTF(("gusintr dma flags=%x\n", sc->sc_flags));
|
|
#ifdef DIAGNOSTIC
|
|
gusdmaintrcnt++;
|
|
#endif
|
|
retval += gus_dmaout_intr(sc);
|
|
if (sc->sc_flags & GUS_DMAIN_ACTIVE) {
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
intr = inb(port+GUS_DATA_HIGH);
|
|
if (intr & GUSMASK_SAMPLE_DMATC) {
|
|
retval += gus_dmain_intr(sc);
|
|
}
|
|
}
|
|
}
|
|
if (intr & (GUSMASK_IRQ_VOICE | GUSMASK_IRQ_VOLUME)) {
|
|
DMAPRINTF(("gusintr voice flags=%x\n", sc->sc_flags));
|
|
#ifdef DIAGNOSTIC
|
|
gusvocintrcnt++;
|
|
#endif
|
|
retval += gus_voice_intr(sc);
|
|
}
|
|
if (retval)
|
|
return 1;
|
|
return retval;
|
|
}
|
|
|
|
int gus_bufcnt[GUS_MEM_FOR_BUFFERS / GUS_BUFFER_MULTIPLE];
|
|
int gus_restart; /* how many restarts? */
|
|
int gus_stops; /* how many times did voice stop? */
|
|
int gus_falsestops; /* stopped but not done? */
|
|
int gus_continues;
|
|
|
|
struct playcont {
|
|
struct timeval tv;
|
|
u_int playbuf;
|
|
u_int dmabuf;
|
|
u_char bufcnt;
|
|
u_char vaction;
|
|
u_char voccntl;
|
|
u_char volcntl;
|
|
u_long curaddr;
|
|
u_long endaddr;
|
|
} playstats[NDMARECS];
|
|
|
|
int playcntr;
|
|
|
|
STATIC void
|
|
gus_dmaout_timeout(arg)
|
|
void *arg;
|
|
{
|
|
register struct gus_softc *sc = arg;
|
|
register int port = sc->sc_iobase;
|
|
int s;
|
|
|
|
printf("%s: dmaout timeout\n", sc->sc_dev.dv_xname);
|
|
/*
|
|
* Stop any DMA.
|
|
*/
|
|
|
|
s = splgus();
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
outb(sc->sc_iobase+GUS_DATA_HIGH, 0);
|
|
|
|
/* isa_dmaabort(sc->sc_drq); /* XXX we will dmadone below? */
|
|
|
|
gus_dmaout_dointr(sc);
|
|
splx(s);
|
|
}
|
|
|
|
|
|
/*
|
|
* Service DMA interrupts. This routine will only get called if we're doing
|
|
* a DMA transfer for playback/record requests from the audio layer.
|
|
*/
|
|
|
|
STATIC int
|
|
gus_dmaout_intr(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
/*
|
|
* If we got a DMA transfer complete from the GUS DRAM, then deal
|
|
* with it.
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
if (inb(port+GUS_DATA_HIGH) & GUSMASK_DMA_IRQPEND) {
|
|
untimeout(gus_dmaout_timeout, sc);
|
|
gus_dmaout_dointr(sc);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
STATIC void
|
|
gus_dmaout_dointr(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
/* sc->sc_dmaoutcnt - 1 because DMA controller counts from zero?. */
|
|
isa_dmadone(DMAMODE_WRITE,
|
|
sc->sc_dmaoutaddr,
|
|
sc->sc_dmaoutcnt - 1,
|
|
sc->sc_drq);
|
|
sc->sc_flags &= ~GUS_DMAOUT_ACTIVE; /* pending DMA is done */
|
|
DMAPRINTF(("gus_dmaout_dointr %d @ %x\n", sc->sc_dmaoutcnt,
|
|
sc->sc_dmaoutaddr));
|
|
|
|
/*
|
|
* to prevent clicking, we need to copy last sample
|
|
* from last buffer to scratch area just before beginning of
|
|
* buffer. However, if we're doing formats that are converted by
|
|
* the card during the DMA process, we need to pick up the converted
|
|
* byte rather than the one we have in memory.
|
|
*/
|
|
if (sc->sc_dmabuf == sc->sc_nbufs - 1) {
|
|
register int i;
|
|
switch (sc->sc_encoding) {
|
|
case AUDIO_ENCODING_PCM16:
|
|
/* we have the native format */
|
|
for (i = 1; i <= 2; i++)
|
|
guspoke(port, sc->sc_gusaddr -
|
|
(sc->sc_nbufs - 1) * sc->sc_chanblocksize - i,
|
|
sc->sc_dmaoutaddr[sc->sc_dmaoutcnt-i]);
|
|
break;
|
|
case AUDIO_ENCODING_PCM8:
|
|
case AUDIO_ENCODING_ULAW:
|
|
/* we need to fetch the translated byte, then stuff it. */
|
|
guspoke(port, sc->sc_gusaddr -
|
|
(sc->sc_nbufs - 1) * sc->sc_chanblocksize - 1,
|
|
guspeek(port,
|
|
sc->sc_gusaddr + sc->sc_chanblocksize - 1));
|
|
break;
|
|
}
|
|
}
|
|
/*
|
|
* If this is the first half of stereo, "ignore" this one
|
|
* and copy out the second half.
|
|
*/
|
|
if (sc->sc_dmaoutintr == stereo_dmaintr) {
|
|
(*sc->sc_dmaoutintr)(sc->sc_outarg);
|
|
return;
|
|
}
|
|
/*
|
|
* If the voice is stopped, then start it. Reset the loop
|
|
* and roll bits. Call the audio layer routine, since if
|
|
* we're starting a stopped voice, that means that the next
|
|
* buffer can be filled
|
|
*/
|
|
|
|
sc->sc_flags &= ~GUS_LOCKED;
|
|
if (sc->sc_voc[GUS_VOICE_LEFT].voccntl &
|
|
GUSMASK_VOICE_STOPPED) {
|
|
if (sc->sc_flags & GUS_PLAYING) {
|
|
printf("%s: playing yet stopped?\n", sc->sc_dev.dv_xname);
|
|
}
|
|
sc->sc_bufcnt++; /* another yet to be played */
|
|
gus_start_playing(sc, sc->sc_dmabuf);
|
|
gus_restart++;
|
|
} else {
|
|
/*
|
|
* set the sound action based on which buffer we
|
|
* just transferred. If we just transferred buffer 0
|
|
* we want the sound to loop when it gets to the nth
|
|
* buffer; if we just transferred
|
|
* any other buffer, we want the sound to roll over
|
|
* at least one more time. The voice interrupt
|
|
* handlers will take care of accounting &
|
|
* setting control bits if it's not caught up to us
|
|
* yet.
|
|
*/
|
|
if (++sc->sc_bufcnt == 2) {
|
|
/*
|
|
* XXX
|
|
* If we're too slow in reaction here,
|
|
* the voice could be just approaching the
|
|
* end of its run. It should be set to stop,
|
|
* so these adjustments might not DTRT.
|
|
*/
|
|
if (sc->sc_dmabuf == 0 &&
|
|
sc->sc_playbuf == sc->sc_nbufs - 1) {
|
|
/* player is just at the last buf, we're at the
|
|
first. Turn on looping, turn off rolling. */
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~GUSMASK_VOICE_ROLL;
|
|
playstats[playcntr].vaction = 3;
|
|
} else {
|
|
/* player is at previous buf:
|
|
turn on rolling, turn off looping */
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL;
|
|
playstats[playcntr].vaction = 4;
|
|
}
|
|
#ifdef GUSPLAYDEBUG
|
|
if (gusstats) {
|
|
microtime(&playstats[playcntr].tv);
|
|
playstats[playcntr].endaddr = sc->sc_voc[GUS_VOICE_LEFT].end_addr;
|
|
playstats[playcntr].voccntl = sc->sc_voc[GUS_VOICE_LEFT].voccntl;
|
|
playstats[playcntr].volcntl = sc->sc_voc[GUS_VOICE_LEFT].volcntl;
|
|
playstats[playcntr].playbuf = sc->sc_playbuf;
|
|
playstats[playcntr].dmabuf = sc->sc_dmabuf;
|
|
playstats[playcntr].bufcnt = sc->sc_bufcnt;
|
|
playstats[playcntr].curaddr = gus_get_curaddr(sc, GUS_VOICE_LEFT);
|
|
playcntr = ++playcntr % NDMARECS;
|
|
}
|
|
#endif
|
|
outb(port+GUS_VOICE_SELECT, GUS_VOICE_LEFT);
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].voccntl);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].volcntl);
|
|
}
|
|
}
|
|
gus_bufcnt[sc->sc_bufcnt-1]++;
|
|
/*
|
|
* flip to the next DMA buffer
|
|
*/
|
|
|
|
sc->sc_dmabuf = ++sc->sc_dmabuf % sc->sc_nbufs;
|
|
/*
|
|
* See comments below about DMA admission control strategy.
|
|
* We can call the upper level here if we have an
|
|
* idle buffer (not currently playing) to DMA into.
|
|
*/
|
|
if (sc->sc_dmaoutintr && sc->sc_bufcnt < sc->sc_nbufs) {
|
|
/* clean out to prevent double calls */
|
|
void (*pfunc) __P((void *)) = sc->sc_dmaoutintr;
|
|
void *arg = sc->sc_outarg;
|
|
|
|
sc->sc_outarg = 0;
|
|
sc->sc_dmaoutintr = 0;
|
|
(*pfunc)(arg);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Service voice interrupts
|
|
*/
|
|
|
|
STATIC int
|
|
gus_voice_intr(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
int ignore = 0, voice, rval = 0;
|
|
unsigned long addr;
|
|
unsigned char intr, status;
|
|
|
|
/*
|
|
* The point of this may not be obvious at first. A voice can
|
|
* interrupt more than once; according to the GUS SDK we are supposed
|
|
* to ignore multiple interrupts for the same voice.
|
|
*/
|
|
|
|
while(1) {
|
|
SELECT_GUS_REG(port, GUSREG_IRQ_STATUS);
|
|
intr = inb(port+GUS_DATA_HIGH);
|
|
|
|
if ((intr & (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE))
|
|
== (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE))
|
|
/*
|
|
* No more interrupts, time to return
|
|
*/
|
|
return rval;
|
|
|
|
if ((intr & GUSMASK_WIRQ_VOICE) == 0) {
|
|
|
|
/*
|
|
* We've got a voice interrupt. Ignore previous
|
|
* interrupts by the same voice.
|
|
*/
|
|
|
|
rval = 1;
|
|
voice = intr & GUSMASK_WIRQ_VOICEMASK;
|
|
|
|
if ((1 << voice) & ignore)
|
|
break;
|
|
|
|
ignore |= 1 << voice;
|
|
|
|
/*
|
|
* If the voice is stopped, then force it to stop
|
|
* (this stops it from continuously generating IRQs)
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL+0x80);
|
|
status = inb(port+GUS_DATA_HIGH);
|
|
if (status & GUSMASK_VOICE_STOPPED) {
|
|
if (voice != GUS_VOICE_LEFT) {
|
|
DMAPRINTF(("%s: spurious voice %d stop?\n",
|
|
sc->sc_dev.dv_xname, voice));
|
|
gus_stop_voice(sc, voice, 0);
|
|
continue;
|
|
}
|
|
gus_stop_voice(sc, voice, 1);
|
|
/* also kill right voice */
|
|
gus_stop_voice(sc, GUS_VOICE_RIGHT, 0);
|
|
sc->sc_bufcnt--; /* it finished a buffer */
|
|
if (sc->sc_bufcnt > 0) {
|
|
/*
|
|
* probably a race to get here: the voice
|
|
* stopped while the DMA code was just trying to
|
|
* get the next buffer in place.
|
|
* Start the voice again.
|
|
*/
|
|
printf("%s: stopped voice not drained? (%x)\n",
|
|
sc->sc_dev.dv_xname, sc->sc_bufcnt);
|
|
gus_falsestops++;
|
|
|
|
sc->sc_playbuf = ++sc->sc_playbuf % sc->sc_nbufs;
|
|
gus_start_playing(sc, sc->sc_playbuf);
|
|
} else if (sc->sc_bufcnt < 0) {
|
|
#ifdef DDB
|
|
printf("%s: negative bufcnt in stopped voice\n",
|
|
sc->sc_dev.dv_xname);
|
|
Debugger();
|
|
#else
|
|
panic("%s: negative bufcnt in stopped voice",
|
|
sc->sc_dev.dv_xname);
|
|
#endif
|
|
} else {
|
|
sc->sc_playbuf = -1; /* none are active */
|
|
gus_stops++;
|
|
}
|
|
/* fall through to callback and admit another
|
|
buffer.... */
|
|
} else if (sc->sc_bufcnt != 0) {
|
|
/*
|
|
* This should always be taken if the voice
|
|
* is not stopped.
|
|
*/
|
|
gus_continues++;
|
|
if (gus_continue_playing(sc, voice)) {
|
|
/*
|
|
* we shouldn't have continued--active DMA
|
|
* is in the way in the ring, for
|
|
* some as-yet undebugged reason.
|
|
*/
|
|
gus_stop_voice(sc, GUS_VOICE_LEFT, 1);
|
|
/* also kill right voice */
|
|
gus_stop_voice(sc, GUS_VOICE_RIGHT, 0);
|
|
sc->sc_playbuf = -1;
|
|
gus_stops++;
|
|
}
|
|
}
|
|
/*
|
|
* call the upper level to send on down another
|
|
* block. We do admission rate control as follows:
|
|
*
|
|
* When starting up output (in the first N
|
|
* blocks), call the upper layer after the DMA is
|
|
* complete (see above in gus_dmaout_intr()).
|
|
*
|
|
* When output is already in progress and we have
|
|
* no more GUS buffers to use for DMA, the DMA
|
|
* output routines do not call the upper layer.
|
|
* Instead, we call the DMA completion routine
|
|
* here, after the voice interrupts indicating
|
|
* that it's finished with a buffer.
|
|
*
|
|
* However, don't call anything here if the DMA
|
|
* output flag is set, (which shouldn't happen)
|
|
* because we'll squish somebody else's DMA if
|
|
* that's the case. When DMA is done, it will
|
|
* call back if there is a spare buffer.
|
|
*/
|
|
if (sc->sc_dmaoutintr && !(sc->sc_flags & GUS_LOCKED)) {
|
|
if (sc->sc_dmaoutintr == stereo_dmaintr)
|
|
printf("gusdmaout botch?\n");
|
|
else {
|
|
/* clean out to avoid double calls */
|
|
void (*pfunc)() = sc->sc_dmaoutintr;
|
|
void *arg = sc->sc_outarg;
|
|
|
|
sc->sc_outarg = 0;
|
|
sc->sc_dmaoutintr = 0;
|
|
(*pfunc)(arg);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Ignore other interrupts for now
|
|
*/
|
|
}
|
|
}
|
|
|
|
STATIC void
|
|
gus_start_playing(sc, bufno)
|
|
struct gus_softc *sc;
|
|
int bufno;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
/*
|
|
* Start the voices playing, with buffer BUFNO.
|
|
*/
|
|
|
|
/*
|
|
* Loop or roll if we have buffers ready.
|
|
*/
|
|
|
|
if (sc->sc_bufcnt == 1) {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~(GUSMASK_LOOP_ENABLE);
|
|
sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL);
|
|
} else {
|
|
if (bufno == sc->sc_nbufs - 1) {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL);
|
|
} else {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL;
|
|
}
|
|
}
|
|
|
|
outb(port+GUS_VOICE_SELECT, GUS_VOICE_LEFT);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].voccntl);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].volcntl);
|
|
|
|
sc->sc_voc[GUS_VOICE_LEFT].current_addr =
|
|
GUS_MEM_OFFSET + sc->sc_chanblocksize * bufno;
|
|
sc->sc_voc[GUS_VOICE_LEFT].end_addr =
|
|
sc->sc_voc[GUS_VOICE_LEFT].current_addr + sc->sc_chanblocksize - 1;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].current_addr =
|
|
sc->sc_voc[GUS_VOICE_LEFT].current_addr +
|
|
(gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0);
|
|
/*
|
|
* set up right channel to just loop forever, no interrupts,
|
|
* starting at the buffer we just filled. We'll feed it data
|
|
* at the same time as left channel.
|
|
*/
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].volcntl &= ~(GUSMASK_VOICE_ROLL);
|
|
|
|
#ifdef GUSPLAYDEBUG
|
|
if (gusstats) {
|
|
microtime(&playstats[playcntr].tv);
|
|
playstats[playcntr].curaddr = sc->sc_voc[GUS_VOICE_LEFT].current_addr;
|
|
|
|
playstats[playcntr].voccntl = sc->sc_voc[GUS_VOICE_LEFT].voccntl;
|
|
playstats[playcntr].volcntl = sc->sc_voc[GUS_VOICE_LEFT].volcntl;
|
|
playstats[playcntr].endaddr = sc->sc_voc[GUS_VOICE_LEFT].end_addr;
|
|
playstats[playcntr].playbuf = bufno;
|
|
playstats[playcntr].dmabuf = sc->sc_dmabuf;
|
|
playstats[playcntr].bufcnt = sc->sc_bufcnt;
|
|
playstats[playcntr].vaction = 5;
|
|
playcntr = ++playcntr % NDMARECS;
|
|
}
|
|
#endif
|
|
|
|
outb(port+GUS_VOICE_SELECT, GUS_VOICE_RIGHT);
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].voccntl);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].volcntl);
|
|
|
|
gus_start_voice(sc, GUS_VOICE_RIGHT, 0);
|
|
gus_start_voice(sc, GUS_VOICE_LEFT, 1);
|
|
if (sc->sc_playbuf == -1)
|
|
/* mark start of playing */
|
|
sc->sc_playbuf = bufno;
|
|
}
|
|
|
|
STATIC int
|
|
gus_continue_playing(sc, voice)
|
|
register struct gus_softc *sc;
|
|
int voice;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
/*
|
|
* stop this voice from interrupting while we work.
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl & ~(GUSMASK_VOICE_IRQ));
|
|
|
|
/*
|
|
* update playbuf to point to the buffer the hardware just started
|
|
* playing
|
|
*/
|
|
sc->sc_playbuf = ++sc->sc_playbuf % sc->sc_nbufs;
|
|
|
|
/*
|
|
* account for buffer just finished
|
|
*/
|
|
if (--sc->sc_bufcnt == 0) {
|
|
DPRINTF(("gus: bufcnt 0 on continuing voice?\n"));
|
|
}
|
|
if (sc->sc_playbuf == sc->sc_dmabuf && (sc->sc_flags & GUS_LOCKED)) {
|
|
printf("%s: continue into active dmabuf?\n", sc->sc_dev.dv_xname);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Select the end of the buffer based on the currently active
|
|
* buffer, [plus extra contiguous buffers (if ready)].
|
|
*/
|
|
|
|
/*
|
|
* set endpoint at end of buffer we just started playing.
|
|
*
|
|
* The total gets -1 because end addrs are one less than you might
|
|
* think (the end_addr is the address of the last sample to play)
|
|
*/
|
|
gus_set_endaddr(sc, voice, GUS_MEM_OFFSET +
|
|
sc->sc_chanblocksize * (sc->sc_playbuf + 1) - 1);
|
|
|
|
if (sc->sc_bufcnt < 2) {
|
|
/*
|
|
* Clear out the loop and roll flags, and rotate the currently
|
|
* playing buffer. That way, if we don't manage to get more
|
|
* data before this buffer finishes, we'll just stop.
|
|
*/
|
|
sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL;
|
|
playstats[playcntr].vaction = 0;
|
|
} else {
|
|
/*
|
|
* We have some buffers to play. set LOOP if we're on the
|
|
* last buffer in the ring, otherwise set ROLL.
|
|
*/
|
|
if (sc->sc_playbuf == sc->sc_nbufs - 1) {
|
|
sc->sc_voc[voice].voccntl |= GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL;
|
|
playstats[playcntr].vaction = 1;
|
|
} else {
|
|
sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE;
|
|
sc->sc_voc[voice].volcntl |= GUSMASK_VOICE_ROLL;
|
|
playstats[playcntr].vaction = 2;
|
|
}
|
|
}
|
|
#ifdef GUSPLAYDEBUG
|
|
if (gusstats) {
|
|
microtime(&playstats[playcntr].tv);
|
|
playstats[playcntr].curaddr = gus_get_curaddr(sc, voice);
|
|
|
|
playstats[playcntr].voccntl = sc->sc_voc[voice].voccntl;
|
|
playstats[playcntr].volcntl = sc->sc_voc[voice].volcntl;
|
|
playstats[playcntr].endaddr = sc->sc_voc[voice].end_addr;
|
|
playstats[playcntr].playbuf = sc->sc_playbuf;
|
|
playstats[playcntr].dmabuf = sc->sc_dmabuf;
|
|
playstats[playcntr].bufcnt = sc->sc_bufcnt;
|
|
playcntr = ++playcntr % NDMARECS;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* (re-)set voice parameters. This will reenable interrupts from this
|
|
* voice.
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].volcntl);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Send/receive data into GUS's DRAM using DMA. Called at splgus()
|
|
*/
|
|
|
|
STATIC void
|
|
gusdmaout(sc, flags, gusaddr, buffaddr, length)
|
|
struct gus_softc *sc;
|
|
int flags, length;
|
|
unsigned long gusaddr;
|
|
caddr_t buffaddr;
|
|
{
|
|
register unsigned char c = (unsigned char) flags;
|
|
register int port = sc->sc_iobase;
|
|
int s;
|
|
|
|
DMAPRINTF(("gusdmaout flags=%x scflags=%x\n", flags, sc->sc_flags));
|
|
|
|
sc->sc_gusaddr = gusaddr;
|
|
|
|
/*
|
|
* If we're using a 16 bit DMA channel, we have to jump through some
|
|
* extra hoops; this includes translating the DRAM address a bit
|
|
*/
|
|
|
|
if (sc->sc_drq >= 4) {
|
|
c |= GUSMASK_DMA_WIDTH;
|
|
gusaddr = convert_to_16bit(gusaddr);
|
|
}
|
|
|
|
/*
|
|
* Add flag bits that we always set - fast DMA, enable IRQ
|
|
*/
|
|
|
|
c |= GUSMASK_DMA_ENABLE | GUSMASK_DMA_R0 | GUSMASK_DMA_IRQ;
|
|
|
|
/*
|
|
* Make sure the GUS _isn't_ setup for DMA
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0);
|
|
|
|
/*
|
|
* Tell the PC DMA controller to start doing DMA
|
|
*/
|
|
|
|
sc->sc_dmaoutaddr = (u_char *) buffaddr;
|
|
sc->sc_dmaoutcnt = length;
|
|
isa_dmastart(DMAMODE_WRITE, buffaddr, length, sc->sc_drq);
|
|
|
|
/*
|
|
* Set up DMA address - use the upper 16 bits ONLY
|
|
*/
|
|
|
|
sc->sc_flags |= GUS_DMAOUT_ACTIVE;
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_START);
|
|
outw(port+GUS_DATA_LOW, (int) (gusaddr >> 4));
|
|
|
|
/*
|
|
* Tell the GUS to start doing DMA
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, c);
|
|
|
|
/*
|
|
* XXX If we don't finish in one second, give up...
|
|
*/
|
|
untimeout(gus_dmaout_timeout, sc); /* flush old one, if there is one */
|
|
timeout(gus_dmaout_timeout, sc, hz);
|
|
}
|
|
|
|
/*
|
|
* Start a voice playing on the GUS. Called from interrupt handler at
|
|
* splgus().
|
|
*/
|
|
|
|
STATIC void
|
|
gus_start_voice(sc, voice, intrs)
|
|
struct gus_softc *sc;
|
|
int voice;
|
|
int intrs;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
unsigned long start;
|
|
unsigned long current;
|
|
unsigned long end;
|
|
|
|
/*
|
|
* Pick all the values for the voice out of the gus_voice struct
|
|
* and use those to program the voice
|
|
*/
|
|
|
|
start = sc->sc_voc[voice].start_addr;
|
|
current = sc->sc_voc[voice].current_addr;
|
|
end = sc->sc_voc[voice].end_addr;
|
|
|
|
/*
|
|
* If we're using 16 bit data, mangle the addresses a bit
|
|
*/
|
|
|
|
if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) {
|
|
/* -1 on start so that we get onto sample boundary--other
|
|
code always sets it for 1-byte rollover protection */
|
|
start = convert_to_16bit(start-1);
|
|
current = convert_to_16bit(current);
|
|
end = convert_to_16bit(end);
|
|
}
|
|
|
|
/*
|
|
* Select the voice we want to use, and program the data addresses
|
|
*/
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_START_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, ADDR_HIGH(start));
|
|
SELECT_GUS_REG(port, GUSREG_START_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, ADDR_LOW(start));
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, ADDR_HIGH(current));
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, ADDR_LOW(current));
|
|
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, ADDR_HIGH(end));
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, ADDR_LOW(end));
|
|
|
|
/*
|
|
* (maybe) enable interrupts, disable voice stopping
|
|
*/
|
|
|
|
if (intrs) {
|
|
sc->sc_flags |= GUS_PLAYING; /* playing is about to start */
|
|
sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_IRQ;
|
|
DMAPRINTF(("gus voice playing=%x\n", sc->sc_flags));
|
|
} else
|
|
sc->sc_voc[voice].voccntl &= ~GUSMASK_VOICE_IRQ;
|
|
sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_STOPPED |
|
|
GUSMASK_STOP_VOICE);
|
|
|
|
/*
|
|
* Tell the GUS about it. Note that we're doing volume ramping here
|
|
* from 0 up to the set volume to help reduce clicks.
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_START_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
SELECT_GUS_REG(port, GUSREG_END_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].current_volume >> 4);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_VOLUME);
|
|
outw(port+GUS_DATA_LOW, 0x00);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_RATE);
|
|
outb(port+GUS_DATA_HIGH, 63);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
delay(50);
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
|
|
}
|
|
|
|
/*
|
|
* Stop a given voice. called at splgus()
|
|
*/
|
|
|
|
STATIC void
|
|
gus_stop_voice(sc, voice, intrs_too)
|
|
struct gus_softc *sc;
|
|
int voice;
|
|
int intrs_too;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_STOPPED |
|
|
GUSMASK_STOP_VOICE;
|
|
if (intrs_too) {
|
|
sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_IRQ);
|
|
/* no more DMA to do */
|
|
sc->sc_flags &= ~GUS_PLAYING;
|
|
}
|
|
DMAPRINTF(("gusintr voice notplaying=%x\n", sc->sc_flags));
|
|
|
|
guspoke(port, 0L, 0);
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_VOLUME);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl);
|
|
delay(100);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_VOLUME);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[voice].voccntl);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Set the volume of a given voice. Called at splgus().
|
|
*/
|
|
STATIC void
|
|
gus_set_volume(sc, voice, volume)
|
|
struct gus_softc *sc;
|
|
int voice, volume;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
unsigned int gusvol;
|
|
|
|
gusvol = gus_log_volumes[volume < 512 ? volume : 511];
|
|
|
|
sc->sc_voc[voice].current_volume = gusvol;
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_START_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, (unsigned char) (gusvol >> 4));
|
|
|
|
SELECT_GUS_REG(port, GUSREG_END_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, (unsigned char) (gusvol >> 4));
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_VOLUME);
|
|
outw(port+GUS_DATA_LOW, gusvol << 4);
|
|
delay(500);
|
|
outw(port+GUS_DATA_LOW, gusvol << 4);
|
|
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - set the data encoding type
|
|
*/
|
|
|
|
int
|
|
gusmax_set_encoding(addr, encoding)
|
|
void * addr;
|
|
u_int encoding;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
(void) ad1848_set_encoding(ac, encoding);
|
|
return gus_set_encoding(sc, encoding);
|
|
}
|
|
|
|
int
|
|
gus_set_encoding(addr, encoding)
|
|
void * addr;
|
|
u_int encoding;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_set_encoding called\n"));
|
|
|
|
/* XXX todo: add alaw for codec */
|
|
if (encoding != AUDIO_ENCODING_ULAW &&
|
|
encoding != AUDIO_ENCODING_PCM16 &&
|
|
encoding != AUDIO_ENCODING_PCM8)
|
|
return EINVAL;
|
|
|
|
if (encoding != AUDIO_ENCODING_PCM16)
|
|
sc->sc_precision = 8; /* XXX force it. */
|
|
|
|
sc->sc_encoding = encoding;
|
|
|
|
if (sc->sc_precision == 8) {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_DATA_SIZE16;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl &= ~GUSMASK_DATA_SIZE16;
|
|
} else {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gusmax_set_channels(addr, channels)
|
|
void * addr;
|
|
int channels;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
(void) ad1848_set_channels(ac, channels);
|
|
return gus_set_channels(sc, channels);
|
|
}
|
|
|
|
int
|
|
gus_set_channels(addr, channels)
|
|
void * addr;
|
|
int channels;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_set_channels called\n"));
|
|
|
|
if (channels != 1 && channels != 2)
|
|
return EINVAL;
|
|
|
|
sc->sc_channels = channels;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - set the data precision
|
|
*/
|
|
|
|
int
|
|
gusmax_set_precision(addr, bits)
|
|
void * addr;
|
|
u_int bits;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
|
|
(void) ad1848_set_precision(ac, bits);
|
|
return gus_set_precision(sc, bits);
|
|
}
|
|
|
|
|
|
int
|
|
gus_set_precision(addr, bits)
|
|
void * addr;
|
|
u_int bits;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_set_precision called\n"));
|
|
|
|
if (bits != 8 && bits != 16)
|
|
return EINVAL;
|
|
|
|
if (sc->sc_encoding != AUDIO_ENCODING_PCM16 && bits != 8)
|
|
/* If we're doing PCM8 or MULAW, it must be 8 bits. */
|
|
return EINVAL;
|
|
|
|
sc->sc_precision = bits;
|
|
|
|
if (bits == 16) {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16;
|
|
} else {
|
|
sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_DATA_SIZE16;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].voccntl &= ~GUSMASK_DATA_SIZE16;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - set the blocksize to the correct number
|
|
* of units
|
|
*/
|
|
|
|
int
|
|
gusmax_round_blocksize(addr, blocksize)
|
|
void * addr;
|
|
int blocksize;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
|
|
/* blocksize = ad1848_round_blocksize(ac, blocksize);*/
|
|
return gus_round_blocksize(sc, blocksize);
|
|
}
|
|
|
|
int
|
|
gus_round_blocksize(addr, blocksize)
|
|
void * addr;
|
|
int blocksize;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register unsigned long i;
|
|
|
|
DPRINTF(("gus_round_blocksize called\n"));
|
|
|
|
if (sc->sc_encoding == AUDIO_ENCODING_ULAW && blocksize > 32768)
|
|
blocksize = 32768;
|
|
else if (blocksize > 65536)
|
|
blocksize = 65536;
|
|
|
|
if ((blocksize % GUS_BUFFER_MULTIPLE) != 0)
|
|
blocksize = (blocksize / GUS_BUFFER_MULTIPLE + 1) *
|
|
GUS_BUFFER_MULTIPLE;
|
|
|
|
/* set up temporary buffer to hold the deinterleave, if necessary
|
|
for stereo output */
|
|
if (sc->sc_deintr_buf) {
|
|
FREE(sc->sc_deintr_buf, M_DEVBUF);
|
|
sc->sc_deintr_buf = NULL;
|
|
}
|
|
MALLOC(sc->sc_deintr_buf, void *, blocksize>>1, M_DEVBUF, M_WAITOK);
|
|
|
|
sc->sc_blocksize = blocksize;
|
|
/* multi-buffering not quite working yet. */
|
|
sc->sc_nbufs = /*GUS_MEM_FOR_BUFFERS / blocksize*/ 2;
|
|
|
|
gus_set_chan_addrs(sc);
|
|
|
|
return blocksize;
|
|
}
|
|
|
|
/*
|
|
* Interfaces to the audio layer - return values from the software config
|
|
* struct
|
|
*/
|
|
|
|
int
|
|
gusmax_get_encoding(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
return gus_get_encoding(sc);
|
|
}
|
|
|
|
int
|
|
gus_get_encoding(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_get_encoding called\n"));
|
|
|
|
/* XXX TODO: codec stuff */
|
|
return sc->sc_encoding;
|
|
}
|
|
|
|
int
|
|
gusmax_get_channels(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
return gus_get_channels(sc);
|
|
}
|
|
|
|
int
|
|
gus_get_channels(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_get_channels called\n"));
|
|
|
|
return sc->sc_channels;
|
|
}
|
|
|
|
u_long
|
|
gus_get_in_sr(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_get_in_sr called\n"));
|
|
return sc->sc_irate;
|
|
}
|
|
|
|
u_long
|
|
gusmax_get_in_sr(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
return gus_get_in_sr(sc);
|
|
}
|
|
|
|
u_long
|
|
gusmax_get_out_sr(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
return gus_get_out_sr(sc);
|
|
}
|
|
|
|
u_long
|
|
gus_get_out_sr(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_get_out_sr called\n"));
|
|
return sc->sc_orate;
|
|
}
|
|
|
|
int
|
|
gusmax_get_precision(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_get_precision(sc->parent);
|
|
}
|
|
|
|
int
|
|
gus_get_precision(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_get_precision called\n"));
|
|
|
|
return sc->sc_precision;
|
|
}
|
|
|
|
int
|
|
gus_get_out_gain(addr)
|
|
caddr_t addr;
|
|
{
|
|
register struct gus_softc *sc = (struct gus_softc *) addr;
|
|
|
|
DPRINTF(("gus_get_out_gain called\n"));
|
|
return sc->sc_ogain / 2;
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - set the sample rate of the output voices
|
|
*/
|
|
|
|
int
|
|
gusmax_set_out_sr(addr, rate)
|
|
void * addr;
|
|
u_long rate;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
(void) ad1848_set_out_sr(ac, rate);
|
|
return gus_set_out_sr(sc, rate);
|
|
}
|
|
|
|
int
|
|
gus_set_out_sr(addr, rate)
|
|
void * addr;
|
|
u_long rate;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_set_out_sr called\n"));
|
|
|
|
if (rate > gus_max_frequency[sc->sc_voices - GUS_MIN_VOICES])
|
|
rate = gus_max_frequency[sc->sc_voices - GUS_MIN_VOICES];
|
|
|
|
sc->sc_orate = rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC inline void gus_set_voices(sc, voices)
|
|
struct gus_softc *sc;
|
|
int voices;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
/*
|
|
* Select the active number of voices
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_ACTIVE_VOICES);
|
|
outb(port+GUS_DATA_HIGH, (voices-1) | 0xc0);
|
|
|
|
sc->sc_voices = voices;
|
|
}
|
|
|
|
/*
|
|
* Actually set the settings of various values on the card
|
|
*/
|
|
|
|
int
|
|
gusmax_commit_settings(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
|
|
(void) ad1848_commit_settings(ac);
|
|
return gus_commit_settings(sc);
|
|
}
|
|
|
|
/*
|
|
* Commit the settings. Called at normal IPL.
|
|
*/
|
|
int
|
|
gus_commit_settings(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
int s;
|
|
|
|
DPRINTF(("gus_commit_settings called (gain = %d)\n",sc->sc_ogain));
|
|
|
|
|
|
s = splgus();
|
|
|
|
gus_set_recrate(sc, sc->sc_irate);
|
|
gus_set_volume(sc, GUS_VOICE_LEFT, sc->sc_ogain);
|
|
gus_set_volume(sc, GUS_VOICE_RIGHT, sc->sc_ogain);
|
|
gus_set_samprate(sc, GUS_VOICE_LEFT, sc->sc_orate);
|
|
gus_set_samprate(sc, GUS_VOICE_RIGHT, sc->sc_orate);
|
|
splx(s);
|
|
gus_set_chan_addrs(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC void
|
|
gus_set_chan_addrs(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
/*
|
|
* We use sc_nbufs * blocksize bytes of storage in the on-board GUS
|
|
* ram.
|
|
* For mono, each of the sc_nbufs buffers is DMA'd to in one chunk,
|
|
* and both left & right channels play the same buffer.
|
|
*
|
|
* For stereo, each channel gets a contiguous half of the memory,
|
|
* and each has sc_nbufs buffers of size blocksize/2.
|
|
* Stereo data are deinterleaved in main memory before the DMA out
|
|
* routines are called to queue the output.
|
|
*
|
|
* The blocksize per channel is kept in sc_chanblocksize.
|
|
*/
|
|
if (sc->sc_channels == 2)
|
|
sc->sc_chanblocksize = sc->sc_blocksize/2;
|
|
else
|
|
sc->sc_chanblocksize = sc->sc_blocksize;
|
|
|
|
sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].start_addr =
|
|
(gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0)
|
|
+ GUS_MEM_OFFSET - 1;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].current_addr =
|
|
sc->sc_voc[GUS_VOICE_RIGHT].start_addr + 1;
|
|
sc->sc_voc[GUS_VOICE_RIGHT].end_addr =
|
|
sc->sc_voc[GUS_VOICE_RIGHT].start_addr +
|
|
sc->sc_nbufs * sc->sc_chanblocksize;
|
|
|
|
}
|
|
|
|
/*
|
|
* Set the sample rate of the given voice. Called at splgus().
|
|
*/
|
|
|
|
STATIC void
|
|
gus_set_samprate(sc, voice, freq)
|
|
struct gus_softc *sc;
|
|
int voice, freq;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
unsigned int fc;
|
|
unsigned long temp, f = (unsigned long) freq;
|
|
|
|
/*
|
|
* calculate fc based on the number of active voices;
|
|
* we need to use longs to preserve enough bits
|
|
*/
|
|
|
|
temp = (unsigned long) gus_max_frequency[sc->sc_voices-GUS_MIN_VOICES];
|
|
|
|
fc = (unsigned int)(((f << 9L) + (temp >> 1L)) / temp);
|
|
|
|
fc <<= 1;
|
|
|
|
|
|
/*
|
|
* Program the voice frequency, and set it in the voice data record
|
|
*/
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
SELECT_GUS_REG(port, GUSREG_FREQ_CONTROL);
|
|
outw(port+GUS_DATA_LOW, fc);
|
|
|
|
sc->sc_voc[voice].rate = freq;
|
|
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - set the recording sampling rate
|
|
*/
|
|
|
|
int
|
|
gusmax_set_in_sr(addr, rate)
|
|
void * addr;
|
|
u_long rate;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
(void) ad1848_set_in_sr(ac, rate);
|
|
return gus_set_in_sr(sc, rate);
|
|
}
|
|
|
|
|
|
int
|
|
gus_set_in_sr(addr, rate)
|
|
void *addr;
|
|
u_long rate;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gus_set_in_sr called\n"));
|
|
|
|
sc->sc_irate = rate;
|
|
|
|
return 0;
|
|
}
|
|
/*
|
|
* Set the sample rate of the recording frequency. Formula is from the GUS
|
|
* SDK. Called at splgus().
|
|
*/
|
|
|
|
STATIC void
|
|
gus_set_recrate(sc, rate)
|
|
struct gus_softc *sc;
|
|
u_long rate;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
u_char realrate;
|
|
int s;
|
|
DPRINTF(("gus_set_recrate %lu\n", rate));
|
|
|
|
/* realrate = 9878400/(16*(rate+2)); /* formula from GUS docs */
|
|
realrate = (9878400 >> 4)/rate - 2; /* formula from code, sigh. */
|
|
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_FREQ);
|
|
outb(port+GUS_DATA_HIGH, realrate);
|
|
}
|
|
|
|
/*
|
|
* Interface to the audio layer - turn the output on or off. Note that some
|
|
* of these bits are flipped in the register
|
|
*/
|
|
|
|
int
|
|
gusmax_speaker_ctl(addr, newstate)
|
|
void * addr;
|
|
int newstate;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_speaker_ctl(sc->parent, newstate);
|
|
}
|
|
|
|
int
|
|
gus_speaker_ctl(addr, newstate)
|
|
void * addr;
|
|
int newstate;
|
|
{
|
|
register struct gus_softc *sc = (struct gus_softc *) addr;
|
|
|
|
/* Line out bit is flipped: 0 enables, 1 disables */
|
|
if ((newstate == SPKR_ON) &&
|
|
(sc->sc_mixcontrol & GUSMASK_LINE_OUT)) {
|
|
sc->sc_mixcontrol &= ~GUSMASK_LINE_OUT;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
if ((newstate == SPKR_OFF) &&
|
|
(sc->sc_mixcontrol & GUSMASK_LINE_OUT) == 0) {
|
|
sc->sc_mixcontrol |= GUSMASK_LINE_OUT;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
gus_linein_ctl(addr, newstate)
|
|
void * addr;
|
|
int newstate;
|
|
{
|
|
register struct gus_softc *sc = (struct gus_softc *) addr;
|
|
|
|
/* Line in bit is flipped: 0 enables, 1 disables */
|
|
if ((newstate == SPKR_ON) &&
|
|
(sc->sc_mixcontrol & GUSMASK_LINE_IN)) {
|
|
sc->sc_mixcontrol &= ~GUSMASK_LINE_IN;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
if ((newstate == SPKR_OFF) &&
|
|
(sc->sc_mixcontrol & GUSMASK_LINE_IN) == 0) {
|
|
sc->sc_mixcontrol |= GUSMASK_LINE_IN;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
gus_mic_ctl(addr, newstate)
|
|
void * addr;
|
|
int newstate;
|
|
{
|
|
register struct gus_softc *sc = (struct gus_softc *) addr;
|
|
|
|
/* Mic bit is normal: 1 enables, 0 disables */
|
|
if ((newstate == SPKR_ON) &&
|
|
(sc->sc_mixcontrol & GUSMASK_MIC_IN) == 0) {
|
|
sc->sc_mixcontrol |= GUSMASK_MIC_IN;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
if ((newstate == SPKR_OFF) &&
|
|
(sc->sc_mixcontrol & GUSMASK_MIC_IN)) {
|
|
sc->sc_mixcontrol &= ~GUSMASK_MIC_IN;
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Set the end address of a give voice. Called at splgus()
|
|
*/
|
|
|
|
STATIC void
|
|
gus_set_endaddr(sc, voice, addr)
|
|
struct gus_softc *sc;
|
|
int voice;
|
|
unsigned long addr;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
sc->sc_voc[voice].end_addr = addr;
|
|
|
|
if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16)
|
|
addr = convert_to_16bit(addr);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, ADDR_HIGH(addr));
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, ADDR_LOW(addr));
|
|
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* Set current address. called at splgus()
|
|
*/
|
|
STATIC void
|
|
gus_set_curaddr(sc, voice, addr)
|
|
struct gus_softc *sc;
|
|
int voice;
|
|
unsigned long addr;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
|
|
sc->sc_voc[voice].current_addr = addr;
|
|
|
|
if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16)
|
|
addr = convert_to_16bit(addr);
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, ADDR_HIGH(addr));
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, ADDR_LOW(addr));
|
|
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Get current GUS playback address. Called at splgus().
|
|
*/
|
|
STATIC unsigned long
|
|
gus_get_curaddr(sc, voice)
|
|
struct gus_softc *sc;
|
|
int voice;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
unsigned long addr;
|
|
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) voice);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_HIGH|GUSREG_READ);
|
|
addr = (inw(port+GUS_DATA_LOW) & 0x1fff) << 7;
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_LOW|GUSREG_READ);
|
|
addr |= (inw(port+GUS_DATA_LOW) >> 9L) & 0x7f;
|
|
|
|
if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16)
|
|
addr = (addr & 0xc0000) | ((addr & 0x1ffff) << 1); /* undo 16-bit change */
|
|
DPRINTF(("gus voice %d curaddr %d end_addr %d\n",
|
|
voice, addr, sc->sc_voc[voice].end_addr));
|
|
/* XXX sanity check the address? */
|
|
|
|
return(addr);
|
|
}
|
|
|
|
/*
|
|
* Convert an address value to a "16 bit" value - why this is necessary I
|
|
* have NO idea
|
|
*/
|
|
|
|
STATIC unsigned long
|
|
convert_to_16bit(address)
|
|
unsigned long address;
|
|
{
|
|
unsigned long old_address;
|
|
|
|
old_address = address;
|
|
address >>= 1;
|
|
address &= 0x0001ffffL;
|
|
address |= (old_address & 0x000c0000L);
|
|
|
|
return (address);
|
|
}
|
|
|
|
/*
|
|
* Write a value into the GUS's DRAM
|
|
*/
|
|
|
|
STATIC void
|
|
guspoke(port, address, value)
|
|
int port;
|
|
long address;
|
|
unsigned char value;
|
|
{
|
|
|
|
/*
|
|
* Select the DRAM address
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DRAM_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, (unsigned int) (address & 0xffff));
|
|
SELECT_GUS_REG(port, GUSREG_DRAM_ADDR_HIGH);
|
|
outb(port+GUS_DATA_HIGH, (unsigned char) ((address >> 16) & 0xff));
|
|
|
|
/*
|
|
* Actually write the data
|
|
*/
|
|
|
|
outb(port+GUS_DRAM_DATA, value);
|
|
}
|
|
|
|
/*
|
|
* Read a value from the GUS's DRAM
|
|
*/
|
|
|
|
STATIC unsigned char
|
|
guspeek(port, address)
|
|
int port;
|
|
u_long address;
|
|
{
|
|
|
|
/*
|
|
* Select the DRAM address
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DRAM_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, (unsigned int) (address & 0xffff));
|
|
SELECT_GUS_REG(port, GUSREG_DRAM_ADDR_HIGH);
|
|
outb(port+GUS_DATA_HIGH, (unsigned char) ((address >> 16) & 0xff));
|
|
|
|
/*
|
|
* Read in the data from the board
|
|
*/
|
|
|
|
return (unsigned char) inb(port+GUS_DRAM_DATA);
|
|
}
|
|
|
|
/*
|
|
* Reset the Gravis UltraSound card, completely
|
|
*/
|
|
|
|
STATIC void
|
|
gusreset(sc, voices)
|
|
struct gus_softc *sc;
|
|
int voices;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
int i,s;
|
|
|
|
s = splgus();
|
|
|
|
/*
|
|
* Reset the GF1 chip
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_RESET);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
|
|
delay(500);
|
|
|
|
/*
|
|
* Release reset
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_RESET);
|
|
outb(port+GUS_DATA_HIGH, GUSMASK_MASTER_RESET);
|
|
|
|
delay(500);
|
|
|
|
/*
|
|
* Reset MIDI port as well
|
|
*/
|
|
|
|
outb(GUS_MIDI_CONTROL,MIDI_RESET);
|
|
|
|
delay(500);
|
|
|
|
outb(GUS_MIDI_CONTROL,0x00);
|
|
|
|
/*
|
|
* Clear interrupts
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
SELECT_GUS_REG(port, GUSREG_TIMER_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, 0x00);
|
|
|
|
gus_set_voices(sc, voices);
|
|
|
|
inb(port+GUS_IRQ_STATUS);
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
inb(port+GUS_DATA_HIGH);
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
inb(port+GUS_DATA_HIGH);
|
|
SELECT_GUS_REG(port, GUSREG_IRQ_STATUS);
|
|
inb(port+GUS_DATA_HIGH);
|
|
|
|
/*
|
|
* Reset voice specific information
|
|
*/
|
|
|
|
for(i = 0; i < voices; i++) {
|
|
outb(port+GUS_VOICE_SELECT, (unsigned char) i);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOICE_CNTL);
|
|
|
|
sc->sc_voc[i].voccntl = GUSMASK_VOICE_STOPPED |
|
|
GUSMASK_STOP_VOICE;
|
|
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[i].voccntl);
|
|
|
|
sc->sc_voc[i].volcntl = GUSMASK_VOLUME_STOPPED |
|
|
GUSMASK_STOP_VOLUME;
|
|
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, sc->sc_voc[i].volcntl);
|
|
|
|
delay(100);
|
|
|
|
gus_set_samprate(sc, i, 8000);
|
|
SELECT_GUS_REG(port, GUSREG_START_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_START_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_END_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_VOLUME_RATE);
|
|
outb(port+GUS_DATA_HIGH, 0x01);
|
|
SELECT_GUS_REG(port, GUSREG_START_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, 0x10);
|
|
SELECT_GUS_REG(port, GUSREG_END_VOLUME);
|
|
outb(port+GUS_DATA_HIGH, 0xe0);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_VOLUME);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_HIGH);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_CUR_ADDR_LOW);
|
|
outw(port+GUS_DATA_LOW, 0x0000);
|
|
SELECT_GUS_REG(port, GUSREG_PAN_POS);
|
|
outb(port+GUS_DATA_HIGH, 0x07);
|
|
}
|
|
|
|
/*
|
|
* Clear out any pending IRQs
|
|
*/
|
|
|
|
inb(port+GUS_IRQ_STATUS);
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
inb(port+GUS_DATA_HIGH);
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
inb(port+GUS_DATA_HIGH);
|
|
SELECT_GUS_REG(port, GUSREG_IRQ_STATUS);
|
|
inb(port+GUS_DATA_HIGH);
|
|
|
|
SELECT_GUS_REG(port, GUSREG_RESET);
|
|
outb(port+GUS_DATA_HIGH, GUSMASK_MASTER_RESET | GUSMASK_DAC_ENABLE |
|
|
GUSMASK_IRQ_ENABLE);
|
|
|
|
splx(s);
|
|
}
|
|
|
|
|
|
STATIC void
|
|
gus_init_cs4231(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
u_char ctrl;
|
|
|
|
ctrl = (port & 0xf0) >> 4; /* set port address middle nibble */
|
|
/*
|
|
* The codec is a bit weird--swapped dma channels.
|
|
*/
|
|
ctrl |= GUS_MAX_CODEC_ENABLE;
|
|
if (sc->sc_drq >= 4)
|
|
ctrl |= GUS_MAX_RECCHAN16;
|
|
if (sc->sc_recdrq >= 4)
|
|
ctrl |= GUS_MAX_PLAYCHAN16;
|
|
|
|
outb(port+GUS_MAX_CTRL, ctrl);
|
|
|
|
sc->sc_codec.sc_iobase = port+GUS_MAX_CODEC_BASE;
|
|
|
|
if (ad1848_probe(&sc->sc_codec) == 0) {
|
|
sc->sc_flags &= ~GUS_CODEC_INSTALLED;
|
|
} else {
|
|
struct ad1848_volume vol = {AUDIO_MAX_GAIN, AUDIO_MAX_GAIN};
|
|
struct audio_hw_if gusmax_hw_if = {
|
|
gusopen,
|
|
gusmax_close,
|
|
NULL, /* drain */
|
|
gusmax_set_in_sr,
|
|
gusmax_get_in_sr,
|
|
gusmax_set_out_sr,
|
|
gusmax_get_out_sr,
|
|
|
|
ad1848_query_encoding, /* query encoding */
|
|
gusmax_set_encoding,
|
|
gusmax_get_encoding,
|
|
|
|
gusmax_set_precision,
|
|
gusmax_get_precision,
|
|
|
|
gusmax_set_channels,
|
|
gusmax_get_channels,
|
|
|
|
gusmax_round_blocksize,
|
|
|
|
gusmax_set_out_port,
|
|
gusmax_get_out_port,
|
|
gusmax_set_in_port,
|
|
gusmax_get_in_port,
|
|
|
|
gusmax_commit_settings,
|
|
|
|
ad1848_get_silence,
|
|
|
|
gusmax_expand, /* XXX use codec */
|
|
mulaw_compress,
|
|
|
|
gusmax_dma_output,
|
|
gusmax_dma_input,
|
|
gusmax_halt_out_dma,
|
|
gusmax_halt_in_dma,
|
|
gusmax_cont_out_dma,
|
|
gusmax_cont_in_dma,
|
|
|
|
gusmax_speaker_ctl,
|
|
|
|
gus_getdev,
|
|
gus_setfd,
|
|
gusmax_mixer_set_port,
|
|
gusmax_mixer_get_port,
|
|
gusmax_mixer_query_devinfo,
|
|
1, /* full-duplex */
|
|
0,
|
|
};
|
|
sc->sc_flags |= GUS_CODEC_INSTALLED;
|
|
sc->sc_codec.parent = sc;
|
|
sc->sc_codec.sc_drq = sc->sc_recdrq;
|
|
sc->sc_codec.sc_recdrq = sc->sc_drq;
|
|
gus_hw_if = gusmax_hw_if;
|
|
/* enable line in and mic in the GUS mixer; the codec chip
|
|
will do the real mixing for them. */
|
|
sc->sc_mixcontrol &= ~GUSMASK_LINE_IN; /* 0 enables. */
|
|
sc->sc_mixcontrol |= GUSMASK_MIC_IN; /* 1 enables. */
|
|
outb(sc->sc_iobase+GUS_MIX_CONTROL, sc->sc_mixcontrol);
|
|
|
|
ad1848_attach(&sc->sc_codec);
|
|
/* turn on pre-MUX microphone gain. */
|
|
ad1848_set_mic_gain(&sc->sc_codec, &vol);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Return info about the audio device, for the AUDIO_GETINFO ioctl
|
|
*/
|
|
|
|
int
|
|
gus_getdev(addr, dev)
|
|
void * addr;
|
|
struct audio_device *dev;
|
|
{
|
|
*dev = gus_device;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* stubs (XXX)
|
|
*/
|
|
|
|
int
|
|
gus_set_in_gain(addr, gain, balance)
|
|
caddr_t addr;
|
|
u_int gain;
|
|
u_char balance;
|
|
{
|
|
DPRINTF(("gus_set_in_gain called\n"));
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gus_get_in_gain(addr)
|
|
caddr_t addr;
|
|
{
|
|
DPRINTF(("gus_get_in_gain called\n"));
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gusmax_set_out_port(addr, port)
|
|
void * addr;
|
|
int port;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_set_out_port(sc->parent, port);
|
|
}
|
|
|
|
int
|
|
gus_set_out_port(addr, port)
|
|
void * addr;
|
|
int port;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
DPRINTF(("gus_set_out_port called\n"));
|
|
sc->sc_out_port = port;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gusmax_get_out_port(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_get_out_port(sc->parent);
|
|
}
|
|
|
|
int
|
|
gus_get_out_port(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
DPRINTF(("gus_get_out_port() called\n"));
|
|
return sc->sc_out_port;
|
|
}
|
|
|
|
int
|
|
gusmax_set_in_port(addr, port)
|
|
void * addr;
|
|
int port;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
DPRINTF(("gusmax_set_in_port: %d\n", port));
|
|
|
|
switch(port) {
|
|
case GUSMAX_MONO_LVL:
|
|
port = MIC_IN_PORT;
|
|
break;
|
|
case GUSMAX_LINE_IN_LVL:
|
|
port = LINE_IN_PORT;
|
|
break;
|
|
case GUSMAX_DAC_LVL:
|
|
port = AUX1_IN_PORT;
|
|
break;
|
|
case GUSMAX_MIX_IN:
|
|
port = DAC_IN_PORT;
|
|
break;
|
|
default:
|
|
return(EINVAL);
|
|
/*NOTREACHED*/
|
|
}
|
|
return(ad1848_set_rec_port(sc, port));
|
|
}
|
|
|
|
int
|
|
gusmax_get_in_port(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
int port = GUSMAX_MONO_LVL;
|
|
|
|
switch(ad1848_get_rec_port(sc)) {
|
|
case MIC_IN_PORT:
|
|
port = GUSMAX_MONO_LVL;
|
|
break;
|
|
case LINE_IN_PORT:
|
|
port = GUSMAX_LINE_IN_LVL;
|
|
break;
|
|
case DAC_IN_PORT:
|
|
port = GUSMAX_MIX_IN;
|
|
break;
|
|
case AUX1_IN_PORT:
|
|
port = GUSMAX_DAC_LVL;
|
|
break;
|
|
}
|
|
|
|
DPRINTF(("gusmax_get_in_port: %d\n", port));
|
|
|
|
return(port);
|
|
}
|
|
|
|
int
|
|
gus_set_in_port(addr, port)
|
|
void * addr;
|
|
int port;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
DPRINTF(("gus_set_in_port called\n"));
|
|
/*
|
|
* On the GUS with ICS mixer, the ADC input is after the mixer stage,
|
|
* so we can't set the input port.
|
|
*
|
|
* On the GUS with CS4231 codec/mixer, see gusmax_set_in_port().
|
|
*/
|
|
sc->sc_in_port = port;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
gus_get_in_port(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
DPRINTF(("gus_get_in_port called\n"));
|
|
return sc->sc_in_port;
|
|
}
|
|
|
|
|
|
int
|
|
gusmax_dma_input(addr, buf, size, callback, arg)
|
|
void * addr;
|
|
void *buf;
|
|
int size;
|
|
void (*callback)();
|
|
void *arg;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_dma_input(sc->parent, buf, size, callback, arg);
|
|
}
|
|
|
|
/*
|
|
* Start sampling the input source into the requested DMA buffer.
|
|
* Called at splgus(), either from top-half or from interrupt handler.
|
|
*/
|
|
int
|
|
gus_dma_input(addr, buf, size, callback, arg)
|
|
void * addr;
|
|
void *buf;
|
|
int size;
|
|
void (*callback)();
|
|
void *arg;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register int port = sc->sc_iobase;
|
|
register u_char dmac;
|
|
DMAPRINTF(("gus_dma_input called\n"));
|
|
|
|
/*
|
|
* Sample SIZE bytes of data from the card, into buffer at BUF.
|
|
*/
|
|
|
|
if (sc->sc_precision == 16)
|
|
return EINVAL; /* XXX */
|
|
|
|
/* set DMA modes */
|
|
dmac = GUSMASK_SAMPLE_IRQ|GUSMASK_SAMPLE_START;
|
|
if (sc->sc_recdrq >= 4)
|
|
dmac |= GUSMASK_SAMPLE_DATA16;
|
|
if (sc->sc_encoding == AUDIO_ENCODING_ULAW ||
|
|
sc->sc_encoding == AUDIO_ENCODING_PCM8)
|
|
dmac |= GUSMASK_SAMPLE_INVBIT;
|
|
if (sc->sc_channels == 2)
|
|
dmac |= GUSMASK_SAMPLE_STEREO;
|
|
isa_dmastart(DMAMODE_READ, (caddr_t) buf, size, sc->sc_recdrq);
|
|
|
|
DMAPRINTF(("gus_dma_input isa_dmastarted\n"));
|
|
sc->sc_flags |= GUS_DMAIN_ACTIVE;
|
|
sc->sc_dmainintr = callback;
|
|
sc->sc_inarg = arg;
|
|
sc->sc_dmaincnt = size;
|
|
sc->sc_dmainaddr = buf;
|
|
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
outb(port+GUS_DATA_HIGH, dmac); /* Go! */
|
|
|
|
|
|
DMAPRINTF(("gus_dma_input returning\n"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
gus_dmain_intr(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
void (*callback) __P((void *));
|
|
void *arg;
|
|
|
|
DMAPRINTF(("gus_dmain_intr called\n"));
|
|
if (sc->sc_dmainintr) {
|
|
isa_dmadone(DMAMODE_READ, sc->sc_dmainaddr, sc->sc_dmaincnt - 1,
|
|
sc->sc_recdrq);
|
|
callback = sc->sc_dmainintr;
|
|
arg = sc->sc_inarg;
|
|
|
|
sc->sc_dmainaddr = 0;
|
|
sc->sc_dmaincnt = 0;
|
|
sc->sc_dmainintr = 0;
|
|
sc->sc_inarg = 0;
|
|
|
|
sc->sc_flags &= ~GUS_DMAIN_ACTIVE;
|
|
DMAPRINTF(("calling dmain_intr callback %x(%x)\n", callback, arg));
|
|
(*callback)(arg);
|
|
return 1;
|
|
} else {
|
|
DMAPRINTF(("gus_dmain_intr false?\n"));
|
|
return 0; /* XXX ??? */
|
|
}
|
|
}
|
|
|
|
int
|
|
gusmax_halt_out_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_halt_out_dma(sc->parent);
|
|
}
|
|
|
|
|
|
int
|
|
gusmax_halt_in_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_halt_in_dma(sc->parent);
|
|
}
|
|
|
|
int
|
|
gusmax_cont_out_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_cont_out_dma(sc->parent);
|
|
}
|
|
|
|
int
|
|
gusmax_cont_in_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct ad1848_softc *sc = addr;
|
|
return gus_cont_in_dma(sc->parent);
|
|
}
|
|
|
|
/*
|
|
* Stop any DMA output. Called at splgus().
|
|
*/
|
|
int
|
|
gus_halt_out_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register int port = sc->sc_iobase;
|
|
|
|
DMAPRINTF(("gus_halt_out_dma called\n"));
|
|
/*
|
|
* Make sure the GUS _isn't_ setup for DMA
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_DMA_CONTROL);
|
|
outb(sc->sc_iobase+GUS_DATA_HIGH, 0);
|
|
|
|
untimeout(gus_dmaout_timeout, sc);
|
|
isa_dmaabort(sc->sc_drq);
|
|
sc->sc_flags &= ~(GUS_DMAOUT_ACTIVE|GUS_LOCKED);
|
|
sc->sc_dmaoutintr = 0;
|
|
sc->sc_outarg = 0;
|
|
sc->sc_dmaoutaddr = 0;
|
|
sc->sc_dmaoutcnt = 0;
|
|
sc->sc_dmabuf = 0;
|
|
sc->sc_bufcnt = 0;
|
|
sc->sc_playbuf = -1;
|
|
/* also stop playing */
|
|
gus_stop_voice(sc, GUS_VOICE_LEFT, 1);
|
|
gus_stop_voice(sc, GUS_VOICE_RIGHT, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Stop any DMA output. Called at splgus().
|
|
*/
|
|
int
|
|
gus_halt_in_dma(addr)
|
|
void * addr;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register int port = sc->sc_iobase;
|
|
DMAPRINTF(("gus_halt_in_dma called\n"));
|
|
|
|
/*
|
|
* Make sure the GUS _isn't_ setup for DMA
|
|
*/
|
|
|
|
SELECT_GUS_REG(port, GUSREG_SAMPLE_CONTROL);
|
|
outb(port+GUS_DATA_HIGH,
|
|
inb(port+GUS_DATA_HIGH) & ~(GUSMASK_SAMPLE_START|GUSMASK_SAMPLE_IRQ));
|
|
|
|
isa_dmaabort(sc->sc_recdrq);
|
|
sc->sc_flags &= ~GUS_DMAIN_ACTIVE;
|
|
sc->sc_dmainintr = 0;
|
|
sc->sc_inarg = 0;
|
|
sc->sc_dmainaddr = 0;
|
|
sc->sc_dmaincnt = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gus_cont_out_dma(addr)
|
|
void * addr;
|
|
{
|
|
DPRINTF(("gus_cont_out_dma called\n"));
|
|
return EOPNOTSUPP;
|
|
}
|
|
|
|
int
|
|
gus_cont_in_dma(addr)
|
|
void * addr;
|
|
{
|
|
DPRINTF(("gus_cont_in_dma called\n"));
|
|
return EOPNOTSUPP;
|
|
}
|
|
|
|
|
|
STATIC int
|
|
gus_setfd(addr, flag)
|
|
void *addr;
|
|
int flag;
|
|
{
|
|
if (gus_hw_if.full_duplex == 0)
|
|
return ENOTTY;
|
|
|
|
return(0); /* nothing fancy to do. */
|
|
}
|
|
|
|
STATIC inline int
|
|
gus_to_vol(cp, vol)
|
|
mixer_ctrl_t *cp;
|
|
struct ad1848_volume *vol;
|
|
{
|
|
if (cp->un.value.num_channels == 1) {
|
|
vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
|
|
return(1);
|
|
}
|
|
else if (cp->un.value.num_channels == 2) {
|
|
vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
|
|
vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
STATIC inline int
|
|
gus_from_vol(cp, vol)
|
|
mixer_ctrl_t *cp;
|
|
struct ad1848_volume *vol;
|
|
{
|
|
if (cp->un.value.num_channels == 1) {
|
|
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
|
|
return(1);
|
|
}
|
|
else if (cp->un.value.num_channels == 2) {
|
|
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
|
|
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
STATIC int
|
|
gusmax_mixer_get_port(addr, cp)
|
|
void *addr;
|
|
mixer_ctrl_t *cp;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
struct ad1848_volume vol;
|
|
u_char eq;
|
|
int error = EINVAL;
|
|
|
|
DPRINTF(("gusmax_mixer_get_port: port=%d\n", cp->dev));
|
|
|
|
switch (cp->dev) {
|
|
#if 0 /* use mono level instead */
|
|
case GUSMAX_MIC_IN_LVL: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_mic_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case GUSMAX_DAC_LVL: /* dac out */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_aux1_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_LVL: /* line in */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = cs4231_get_linein_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONO_LVL: /* mono */
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
error = cs4231_get_mono_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_CD_LVL: /* CD */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_aux2_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONITOR_LVL: /* monitor level */
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
error = ad1848_get_mon_gain(ac, &vol);
|
|
if (!error)
|
|
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
|
|
vol.left;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_OUT_LVL: /* output level */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_out_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_SPEAKER_LVL: /* fake speaker for mute naming */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (sc->sc_mixcontrol & GUSMASK_LINE_OUT)
|
|
vol.left = vol.right = AUDIO_MAX_GAIN;
|
|
else
|
|
vol.left = vol.right = AUDIO_MIN_GAIN;
|
|
error = 0;
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ac->line_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
|
|
case GUSMAX_DAC_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ac->aux1_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_CD_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ac->aux2_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONO_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ac->mono_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONITOR_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ac->mon_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_SPEAKER_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_REC_LVL: /* record level */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_rec_gain(ac, &vol);
|
|
if (!error)
|
|
gus_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_RECORD_SOURCE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ad1848_get_rec_port(ac);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
|
|
return(error);
|
|
}
|
|
|
|
STATIC int
|
|
gus_mixer_get_port(addr, cp)
|
|
void *addr;
|
|
mixer_ctrl_t *cp;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register struct ics2101_softc *ic = &sc->sc_mixer;
|
|
struct ad1848_volume vol;
|
|
int error = EINVAL;
|
|
u_int mute;
|
|
|
|
DPRINTF(("gus_mixer_get_port: dev=%d type=%d\n", cp->dev, cp->type));
|
|
|
|
if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE)
|
|
return ENXIO;
|
|
|
|
switch (cp->dev) {
|
|
|
|
case GUSICS_MIC_IN_MUTE: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
if (HAS_MIXER(sc))
|
|
cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MIC][ICSMIX_LEFT];
|
|
else
|
|
cp->un.ord =
|
|
sc->sc_mixcontrol & GUSMASK_MIC_IN ? 0 : 1;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_LINE_IN_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
if (HAS_MIXER(sc))
|
|
cp->un.ord = ic->sc_mute[GUSMIX_CHAN_LINE][ICSMIX_LEFT];
|
|
else
|
|
cp->un.ord =
|
|
sc->sc_mixcontrol & GUSMASK_LINE_IN ? 1 : 0;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MASTER_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
if (HAS_MIXER(sc))
|
|
cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MASTER][ICSMIX_LEFT];
|
|
else
|
|
cp->un.ord =
|
|
sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_DAC_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ic->sc_mute[GUSMIX_CHAN_DAC][ICSMIX_LEFT];
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_CD_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ic->sc_mute[GUSMIX_CHAN_CD][ICSMIX_LEFT];
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MASTER_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
vol.left = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_LEFT];
|
|
vol.right = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_RIGHT];
|
|
if (gus_from_vol(cp, &vol))
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MIC_IN_LVL: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
vol.left = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_LEFT];
|
|
vol.right = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_RIGHT];
|
|
if (gus_from_vol(cp, &vol))
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_LINE_IN_LVL: /* line in */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
vol.left = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_LEFT];
|
|
vol.right = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_RIGHT];
|
|
if (gus_from_vol(cp, &vol))
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
|
|
case GUSICS_CD_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
vol.left = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_LEFT];
|
|
vol.right = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_RIGHT];
|
|
if (gus_from_vol(cp, &vol))
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_DAC_LVL: /* dac out */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
vol.left = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_LEFT];
|
|
vol.right = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_RIGHT];
|
|
if (gus_from_vol(cp, &vol))
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
|
|
case GUSICS_RECORD_SOURCE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
/* Can't set anything else useful, sigh. */
|
|
cp->un.ord = 0;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
return error;
|
|
}
|
|
|
|
STATIC void
|
|
gusics_master_mute(ic, mute)
|
|
struct ics2101_softc *ic;
|
|
int mute;
|
|
{
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_LEFT, mute);
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_RIGHT, mute);
|
|
}
|
|
|
|
STATIC void
|
|
gusics_mic_mute(ic, mute)
|
|
struct ics2101_softc *ic;
|
|
int mute;
|
|
{
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_LEFT, mute);
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_RIGHT, mute);
|
|
}
|
|
|
|
STATIC void
|
|
gusics_linein_mute(ic, mute)
|
|
struct ics2101_softc *ic;
|
|
int mute;
|
|
{
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_LEFT, mute);
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_RIGHT, mute);
|
|
}
|
|
|
|
STATIC void
|
|
gusics_cd_mute(ic, mute)
|
|
struct ics2101_softc *ic;
|
|
int mute;
|
|
{
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_LEFT, mute);
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_RIGHT, mute);
|
|
}
|
|
|
|
STATIC void
|
|
gusics_dac_mute(ic, mute)
|
|
struct ics2101_softc *ic;
|
|
int mute;
|
|
{
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_LEFT, mute);
|
|
ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_RIGHT, mute);
|
|
}
|
|
|
|
STATIC int
|
|
gusmax_mixer_set_port(addr, cp)
|
|
void *addr;
|
|
mixer_ctrl_t *cp;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
struct ad1848_volume vol;
|
|
int error = EINVAL;
|
|
|
|
DPRINTF(("gusmax_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
|
|
|
|
switch (cp->dev) {
|
|
#if 0
|
|
case GUSMAX_MIC_IN_LVL: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
/* XXX enable/disable pre-MUX fixed gain */
|
|
if (gus_to_vol(cp, &vol))
|
|
error = ad1848_set_mic_gain(ac, &vol);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case GUSMAX_DAC_LVL: /* dac out */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = ad1848_set_aux1_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_LVL: /* line in */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = cs4231_set_linein_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONO_LVL: /* mic/mono in */
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = cs4231_set_mono_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_CD_LVL: /* CD: AUX2 */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = ad1848_set_aux2_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONITOR_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
|
|
error = ad1848_set_mon_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_OUT_LVL: /* output volume */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = ad1848_set_out_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_SPEAKER_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE &&
|
|
cp->un.value.num_channels == 1) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
gus_speaker_ctl(sc, vol.left > AUDIO_MIN_GAIN ?
|
|
SPKR_ON : SPKR_OFF);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
ac->line_mute = cp->un.ord ? 1 : 0;
|
|
DPRINTF(("line mute %d\n", cp->un.ord));
|
|
cs4231_mute_line(ac, ac->line_mute);
|
|
gus_linein_ctl(sc, ac->line_mute ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_DAC_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
ac->aux1_mute = cp->un.ord ? 1 : 0;
|
|
DPRINTF(("dac mute %d\n", cp->un.ord));
|
|
ad1848_mute_aux1(ac, ac->aux1_mute);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_CD_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
ac->aux2_mute = cp->un.ord ? 1 : 0;
|
|
DPRINTF(("cd mute %d\n", cp->un.ord));
|
|
ad1848_mute_aux2(ac, ac->aux2_mute);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONO_MUTE: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
ac->mono_mute = cp->un.ord ? 1 : 0;
|
|
DPRINTF(("mono mute %d\n", cp->un.ord));
|
|
cs4231_mute_mono(ac, ac->mono_mute);
|
|
gus_mic_ctl(sc, ac->mono_mute ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_MONITOR_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
ac->mon_mute = cp->un.ord ? 1 : 0;
|
|
DPRINTF(("mono mute %d\n", cp->un.ord));
|
|
cs4231_mute_monitor(ac, ac->mon_mute);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_SPEAKER_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_REC_LVL: /* record level */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol))
|
|
error = ad1848_set_rec_gain(ac, &vol);
|
|
}
|
|
break;
|
|
|
|
case GUSMAX_RECORD_SOURCE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
error = ad1848_set_rec_port(ac, cp->un.ord);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
return error;
|
|
}
|
|
|
|
STATIC int
|
|
gus_mixer_set_port(addr, cp)
|
|
void *addr;
|
|
mixer_ctrl_t *cp;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
register struct ics2101_softc *ic = &sc->sc_mixer;
|
|
struct ad1848_volume vol;
|
|
int error = EINVAL;
|
|
u_int mute;
|
|
|
|
DPRINTF(("gus_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
|
|
|
|
if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE)
|
|
return ENXIO;
|
|
|
|
switch (cp->dev) {
|
|
|
|
case GUSICS_MIC_IN_MUTE: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
DPRINTF(("mic mute %d\n", cp->un.ord));
|
|
if (HAS_MIXER(sc)) {
|
|
gusics_mic_mute(ic, cp->un.ord);
|
|
}
|
|
gus_mic_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_LINE_IN_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
DPRINTF(("linein mute %d\n", cp->un.ord));
|
|
if (HAS_MIXER(sc)) {
|
|
gusics_linein_mute(ic, cp->un.ord);
|
|
}
|
|
gus_linein_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MASTER_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
DPRINTF(("master mute %d\n", cp->un.ord));
|
|
if (HAS_MIXER(sc)) {
|
|
gusics_master_mute(ic, cp->un.ord);
|
|
}
|
|
gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_DAC_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
gusics_dac_mute(ic, cp->un.ord);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_CD_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
gusics_cd_mute(ic, cp->un.ord);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MASTER_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MASTER,
|
|
ICSMIX_LEFT,
|
|
vol.left);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MASTER,
|
|
ICSMIX_RIGHT,
|
|
vol.right);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GUSICS_MIC_IN_LVL: /* Microphone */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MIC,
|
|
ICSMIX_LEFT,
|
|
vol.left);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MIC,
|
|
ICSMIX_RIGHT,
|
|
vol.right);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GUSICS_LINE_IN_LVL: /* line in */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_LINE,
|
|
ICSMIX_LEFT,
|
|
vol.left);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_LINE,
|
|
ICSMIX_RIGHT,
|
|
vol.right);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case GUSICS_CD_LVL:
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_CD,
|
|
ICSMIX_LEFT,
|
|
vol.left);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_CD,
|
|
ICSMIX_RIGHT,
|
|
vol.right);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GUSICS_DAC_LVL: /* dac out */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
if (gus_to_vol(cp, &vol)) {
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_DAC,
|
|
ICSMIX_LEFT,
|
|
vol.left);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_DAC,
|
|
ICSMIX_RIGHT,
|
|
vol.right);
|
|
error = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case GUSICS_RECORD_SOURCE:
|
|
if (cp->type == AUDIO_MIXER_ENUM && cp->un.ord == 0) {
|
|
/* Can't set anything else useful, sigh. */
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
return error;
|
|
}
|
|
|
|
STATIC int
|
|
gusmax_mixer_query_devinfo(addr, dip)
|
|
void *addr;
|
|
register mixer_devinfo_t *dip;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct gus_softc *sc = ac->parent;
|
|
|
|
DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index));
|
|
|
|
switch(dip->index) {
|
|
case GUSMAX_MIX_IN: /* mixed MUX input */
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = dip->next = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNmixerout);
|
|
dip->un.e.num_mem = 0; /* XXX */
|
|
break;
|
|
|
|
#if 0
|
|
case GUSMAX_MIC_IN_LVL: /* Microphone */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_MIC_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNmicrophone);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
#endif
|
|
|
|
case GUSMAX_MONO_LVL: /* mono/microphone mixer */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_MONO_MUTE;
|
|
strcpy(dip->label.name, AudioNmicrophone);
|
|
dip->un.v.num_channels = 1;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_DAC_LVL: /* dacout */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_DAC_MUTE;
|
|
strcpy(dip->label.name, AudioNdac);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_LVL: /* line */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_LINE_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNline);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_CD_LVL: /* cd */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_CD_MUTE;
|
|
strcpy(dip->label.name, AudioNcd);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
|
|
case GUSMAX_MONITOR_LVL: /* monitor level */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_MONITOR_CLASS;
|
|
dip->next = GUSMAX_MONITOR_MUTE;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNmonitor);
|
|
dip->un.v.num_channels = 1;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_OUT_LVL: /* cs4231 output volume: not useful? */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_MONITOR_CLASS;
|
|
dip->prev = dip->next = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNoutput);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_SPEAKER_LVL: /* fake speaker volume */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_MONITOR_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_SPEAKER_MUTE;
|
|
strcpy(dip->label.name, AudioNspeaker);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_LINE_IN_MUTE:
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_LINE_IN_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSMAX_DAC_MUTE:
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_DAC_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSMAX_CD_MUTE:
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_CD_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSMAX_MONO_MUTE:
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_MONO_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSMAX_MONITOR_MUTE:
|
|
dip->mixer_class = GUSMAX_OUTPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_MONITOR_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSMAX_SPEAKER_MUTE:
|
|
dip->mixer_class = GUSMAX_OUTPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_SPEAKER_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
mute:
|
|
strcpy(dip->label.name, AudioNmute);
|
|
dip->un.e.num_mem = 2;
|
|
strcpy(dip->un.e.member[0].label.name, AudioNoff);
|
|
dip->un.e.member[0].ord = 0;
|
|
strcpy(dip->un.e.member[1].label.name, AudioNon);
|
|
dip->un.e.member[1].ord = 1;
|
|
break;
|
|
|
|
case GUSMAX_REC_LVL: /* record level */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSMAX_RECORD_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSMAX_RECORD_SOURCE;
|
|
strcpy(dip->label.name, AudioNrecord);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSMAX_RECORD_SOURCE:
|
|
dip->mixer_class = GUSMAX_RECORD_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSMAX_REC_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNsource);
|
|
dip->un.e.num_mem = 4;
|
|
strcpy(dip->un.e.member[0].label.name, AudioNoutput);
|
|
dip->un.e.member[0].ord = GUSMAX_MIX_IN;
|
|
strcpy(dip->un.e.member[1].label.name, AudioNmicrophone);
|
|
dip->un.e.member[1].ord = GUSMAX_MONO_LVL;
|
|
strcpy(dip->un.e.member[2].label.name, AudioNdac);
|
|
dip->un.e.member[2].ord = GUSMAX_DAC_LVL;
|
|
strcpy(dip->un.e.member[3].label.name, AudioNline);
|
|
dip->un.e.member[3].ord = GUSMAX_LINE_IN_LVL;
|
|
break;
|
|
|
|
case GUSMAX_INPUT_CLASS: /* input class descriptor */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSMAX_INPUT_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCInputs);
|
|
break;
|
|
|
|
case GUSMAX_OUTPUT_CLASS: /* output class descriptor */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSMAX_OUTPUT_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCOutputs);
|
|
break;
|
|
|
|
case GUSMAX_MONITOR_CLASS: /* monitor class descriptor */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSMAX_MONITOR_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCMonitor);
|
|
break;
|
|
|
|
case GUSMAX_RECORD_CLASS: /* record source class */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSMAX_RECORD_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCRecord);
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
gus_mixer_query_devinfo(addr, dip)
|
|
void *addr;
|
|
register mixer_devinfo_t *dip;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index));
|
|
|
|
if (!HAS_MIXER(sc) && dip->index > GUSICS_MASTER_MUTE)
|
|
return ENXIO;
|
|
|
|
switch(dip->index) {
|
|
|
|
case GUSICS_MIC_IN_LVL: /* Microphone */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSICS_MIC_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNmicrophone);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSICS_LINE_IN_LVL: /* line */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSICS_LINE_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNline);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSICS_CD_LVL: /* cd */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSICS_CD_MUTE;
|
|
strcpy(dip->label.name, AudioNcd);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSICS_DAC_LVL: /* dacout */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSICS_DAC_MUTE;
|
|
strcpy(dip->label.name, AudioNdac);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case GUSICS_MASTER_LVL: /* master output */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = GUSICS_OUTPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = GUSICS_MASTER_MUTE;
|
|
strcpy(dip->label.name, AudioNvolume);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
|
|
case GUSICS_LINE_IN_MUTE:
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSICS_LINE_IN_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSICS_DAC_MUTE:
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSICS_DAC_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSICS_CD_MUTE:
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSICS_CD_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSICS_MIC_IN_MUTE:
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSICS_MIC_IN_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case GUSICS_MASTER_MUTE:
|
|
dip->mixer_class = GUSICS_OUTPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = GUSICS_MASTER_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
mute:
|
|
strcpy(dip->label.name, AudioNmute);
|
|
dip->un.e.num_mem = 2;
|
|
strcpy(dip->un.e.member[0].label.name, AudioNoff);
|
|
dip->un.e.member[0].ord = 0;
|
|
strcpy(dip->un.e.member[1].label.name, AudioNon);
|
|
dip->un.e.member[1].ord = 1;
|
|
break;
|
|
|
|
case GUSICS_RECORD_SOURCE:
|
|
dip->mixer_class = GUSICS_RECORD_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = dip->next = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNsource);
|
|
dip->un.e.num_mem = 1;
|
|
strcpy(dip->un.e.member[0].label.name, AudioNoutput);
|
|
dip->un.e.member[0].ord = GUSICS_MASTER_LVL;
|
|
break;
|
|
|
|
case GUSICS_INPUT_CLASS:
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSICS_INPUT_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCInputs);
|
|
break;
|
|
|
|
case GUSICS_OUTPUT_CLASS:
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSICS_OUTPUT_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCOutputs);
|
|
break;
|
|
|
|
case GUSICS_RECORD_CLASS:
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = GUSICS_RECORD_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCRecord);
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
gus_query_encoding(addr, fp)
|
|
void *addr;
|
|
struct audio_encoding *fp;
|
|
{
|
|
register struct gus_softc *sc = addr;
|
|
|
|
switch (fp->index) {
|
|
case 0:
|
|
strcpy(fp->name, AudioEmulaw);
|
|
fp->format_id = AUDIO_ENCODING_ULAW;
|
|
break;
|
|
case 1:
|
|
strcpy(fp->name, AudioEpcm16);
|
|
fp->format_id = AUDIO_ENCODING_PCM16;
|
|
break;
|
|
case 2:
|
|
strcpy(fp->name, AudioEpcm8);
|
|
fp->format_id = AUDIO_ENCODING_PCM8;
|
|
break;
|
|
default:
|
|
return(EINVAL);
|
|
/*NOTREACHED*/
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Setup the ICS mixer in "transparent" mode: reset everything to a sensible
|
|
* level. Levels as suggested by GUS SDK code.
|
|
*/
|
|
|
|
STATIC void
|
|
gus_init_ics2101(sc)
|
|
struct gus_softc *sc;
|
|
{
|
|
register int port = sc->sc_iobase;
|
|
register struct ics2101_softc *ic = &sc->sc_mixer;
|
|
sc->sc_mixer.sc_selio = port+GUS_MIXER_SELECT;
|
|
sc->sc_mixer.sc_dataio = port+GUS_MIXER_DATA;
|
|
sc->sc_mixer.sc_flags = (sc->sc_revision == 5) ? ICS_FLIP : 0;
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MIC,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MIN_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MIC,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MIN_ATTN);
|
|
/*
|
|
* Start with microphone muted by the mixer...
|
|
*/
|
|
gusics_mic_mute(ic, 1);
|
|
|
|
/* ... and enabled by the GUS master mix control */
|
|
gus_mic_ctl(sc, SPKR_ON);
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_LINE,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MIN_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_LINE,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MIN_ATTN);
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_CD,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MIN_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_CD,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MIN_ATTN);
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_DAC,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MIN_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_DAC,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MIN_ATTN);
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
ICSMIX_CHAN_4,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MAX_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
ICSMIX_CHAN_4,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MAX_ATTN);
|
|
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MASTER,
|
|
ICSMIX_LEFT,
|
|
ICSMIX_MIN_ATTN);
|
|
ics2101_mix_attenuate(ic,
|
|
GUSMIX_CHAN_MASTER,
|
|
ICSMIX_RIGHT,
|
|
ICSMIX_MIN_ATTN);
|
|
/* unmute other stuff: */
|
|
gusics_cd_mute(ic, 0);
|
|
gusics_dac_mute(ic, 0);
|
|
gusics_linein_mute(ic, 0);
|
|
return;
|
|
}
|
|
|
|
|
|
#endif /* NGUS */
|