715 lines
17 KiB
C
715 lines
17 KiB
C
/* $NetBSD: wss.c,v 1.8 1995/12/24 02:32:03 mycroft Exp $ */
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/*
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* Copyright (c) 1994 John Brezak
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* Copyright (c) 1991-1993 Regents of the University of California.
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* All rights reserved.
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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 Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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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 <machine/cpu.h>
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#include <machine/pio.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/ic/ad1848reg.h>
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#include <dev/isa/ad1848var.h>
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#include <dev/isa/wssreg.h>
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/*
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* Mixer devices
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*/
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#define WSS_MIC_IN_LVL 0
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#define WSS_LINE_IN_LVL 1
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#define WSS_DAC_LVL 2
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#define WSS_REC_LVL 3
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#define WSS_MON_LVL 4
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#define WSS_MIC_IN_MUTE 5
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#define WSS_LINE_IN_MUTE 6
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#define WSS_DAC_MUTE 7
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#define WSS_RECORD_SOURCE 8
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/* Classes */
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#define WSS_INPUT_CLASS 9
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#define WSS_RECORD_CLASS 10
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#define WSS_MONITOR_CLASS 11
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#ifdef AUDIO_DEBUG
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#define DPRINTF(x) if (wssdebug) printf x
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int wssdebug = 0;
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#else
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#define DPRINTF(x)
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#endif
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struct wss_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 vectoring */
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struct ad1848_softc sc_ad1848;
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#define wss_irq sc_ad1848.sc_irq
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#define wss_drq sc_ad1848.sc_drq
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int mic_mute, cd_mute, dac_mute;
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};
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struct audio_device wss_device = {
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"wss,ad1848",
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"",
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"WSS"
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};
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int wssprobe();
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void wssattach();
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int wssopen __P((dev_t, int));
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int wss_getdev __P((void *, struct audio_device *));
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int wss_setfd __P((void *, int));
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int wss_set_out_port __P((void *, int));
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int wss_get_out_port __P((void *));
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int wss_set_in_port __P((void *, int));
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int wss_get_in_port __P((void *));
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int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
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int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
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int wss_query_devinfo __P((void *, mixer_devinfo_t *));
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/*
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* Define our interface to the higher level audio driver.
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*/
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struct audio_hw_if wss_hw_if = {
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wssopen,
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ad1848_close,
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NULL,
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ad1848_set_in_sr,
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ad1848_get_in_sr,
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ad1848_set_out_sr,
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ad1848_get_out_sr,
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ad1848_query_encoding,
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ad1848_set_encoding,
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ad1848_get_encoding,
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ad1848_set_precision,
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ad1848_get_precision,
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ad1848_set_channels,
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ad1848_get_channels,
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ad1848_round_blocksize,
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wss_set_out_port,
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wss_get_out_port,
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wss_set_in_port,
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wss_get_in_port,
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ad1848_commit_settings,
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ad1848_get_silence,
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NULL,
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NULL,
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ad1848_dma_output,
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ad1848_dma_input,
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ad1848_halt_out_dma,
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ad1848_halt_in_dma,
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ad1848_cont_out_dma,
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ad1848_cont_in_dma,
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NULL,
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wss_getdev,
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wss_setfd,
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wss_mixer_set_port,
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wss_mixer_get_port,
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wss_query_devinfo,
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0, /* not full-duplex */
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0
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};
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#ifndef NEWCONFIG
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#define at_dma(flags, ptr, cc, chan) isa_dmastart(flags, ptr, cc, chan)
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#endif
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struct cfdriver wsscd = {
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NULL, "wss", wssprobe, wssattach, DV_DULL, sizeof(struct wss_softc)
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};
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/*
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* Probe for the Microsoft Sound System hardware.
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*/
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int
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wssprobe(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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register struct wss_softc *sc = (void *)self;
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register struct isa_attach_args *ia = aux;
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register int iobase = ia->ia_iobase;
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static u_char interrupt_bits[12] = {
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-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
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};
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static u_char dma_bits[4] = {1, 2, 0, 3};
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if (!WSS_BASE_VALID(ia->ia_iobase)) {
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printf("wss: configured iobase %x invalid\n", ia->ia_iobase);
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return 0;
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}
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sc->sc_ad1848.sc_iobase = iobase;
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/* Is there an ad1848 chip at the WSS iobase ? */
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if (ad1848_probe(&sc->sc_ad1848) == 0)
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return 0;
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ia->ia_iosize = WSS_NPORT;
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/* Setup WSS interrupt and DMA */
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if (!WSS_DRQ_VALID(ia->ia_drq)) {
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printf("wss: configured dma chan %d invalid\n", ia->ia_drq);
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return 0;
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}
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sc->wss_drq = ia->ia_drq;
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#ifdef NEWCONFIG
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/*
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* If the IRQ wasn't compiled in, auto-detect it.
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*/
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if (ia->ia_irq == IRQUNK) {
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ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
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if (!WSS_IRQ_VALID(ia->ia_irq)) {
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printf("wss: couldn't auto-detect interrupt\n");
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return 0;
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}
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}
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else
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#endif
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if (!WSS_IRQ_VALID(ia->ia_irq)) {
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printf("wss: configured interrupt %d invalid\n", ia->ia_irq);
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return 0;
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}
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sc->wss_irq = ia->ia_irq;
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outb(iobase+WSS_CONFIG,
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(interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
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return 1;
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}
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/*
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* Attach hardware to driver, attach hardware driver to audio
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* pseudo-device driver .
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*/
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void
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wssattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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register struct wss_softc *sc = (struct wss_softc *)self;
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struct isa_attach_args *ia = (struct isa_attach_args *)aux;
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register int iobase = ia->ia_iobase;
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int err;
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sc->sc_ad1848.sc_recdrq = ia->ia_drq;
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#ifdef NEWCONFIG
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isa_establish(&sc->sc_id, &sc->sc_dev);
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#endif
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sc->sc_ih = isa_intr_establish(ia->ia_irq, IST_EDGE, IPL_AUDIO, ad1848_intr, &sc->sc_ad1848);
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ad1848_attach(&sc->sc_ad1848);
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printf(" (vers %d)", inb(iobase+WSS_STATUS) & WSS_VERSMASK);
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printf("\n");
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sc->sc_ad1848.parent = sc;
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if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848)) != 0)
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printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
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}
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static int
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wss_to_vol(cp, vol)
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mixer_ctrl_t *cp;
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struct ad1848_volume *vol;
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{
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if (cp->un.value.num_channels == 1) {
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vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
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return(1);
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}
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else if (cp->un.value.num_channels == 2) {
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vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
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vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
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return(1);
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}
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return(0);
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}
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static int
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wss_from_vol(cp, vol)
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mixer_ctrl_t *cp;
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struct ad1848_volume *vol;
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{
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if (cp->un.value.num_channels == 1) {
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cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
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return(1);
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}
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else if (cp->un.value.num_channels == 2) {
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cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
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cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
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return(1);
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}
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return(0);
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}
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int
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wssopen(dev, flags)
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dev_t dev;
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int flags;
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{
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struct wss_softc *sc;
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int unit = AUDIOUNIT(dev);
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if (unit >= wsscd.cd_ndevs)
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return ENODEV;
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sc = wsscd.cd_devs[unit];
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if (!sc)
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return ENXIO;
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return ad1848_open(&sc->sc_ad1848, dev, flags);
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}
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int
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wss_getdev(addr, retp)
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void *addr;
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struct audio_device *retp;
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{
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*retp = wss_device;
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return 0;
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}
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int
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wss_setfd(addr, flag)
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void *addr;
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int flag;
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{
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/* Can't do full-duplex */
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return(ENOTTY);
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}
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int
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wss_set_out_port(addr, port)
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void *addr;
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int port;
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{
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DPRINTF(("wss_set_out_port:\n"));
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return(EINVAL);
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}
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int
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wss_get_out_port(addr)
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void *addr;
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{
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DPRINTF(("wss_get_out_port:\n"));
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return(EINVAL);
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}
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int
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wss_set_in_port(addr, port)
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void *addr;
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int port;
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{
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register struct ad1848_softc *ac = addr;
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register struct wss_softc *sc = ac->parent;
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DPRINTF(("wss_set_in_port: %d\n", port));
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switch(port) {
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case WSS_MIC_IN_LVL:
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port = MIC_IN_PORT;
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break;
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case WSS_LINE_IN_LVL:
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port = LINE_IN_PORT;
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break;
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case WSS_DAC_LVL:
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port = DAC_IN_PORT;
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break;
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default:
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return(EINVAL);
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/*NOTREACHED*/
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}
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return(ad1848_set_rec_port(ac, port));
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}
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int
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wss_get_in_port(addr)
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void *addr;
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{
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register struct ad1848_softc *ac = addr;
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register struct wss_softc *sc = ac->parent;
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int port = WSS_MIC_IN_LVL;
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switch(ad1848_get_rec_port(ac)) {
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case MIC_IN_PORT:
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port = WSS_MIC_IN_LVL;
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break;
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case LINE_IN_PORT:
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port = WSS_LINE_IN_LVL;
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break;
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case DAC_IN_PORT:
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port = WSS_DAC_LVL;
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break;
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}
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DPRINTF(("wss_get_in_port: %d\n", port));
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return(port);
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}
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int
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wss_mixer_set_port(addr, cp)
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void *addr;
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mixer_ctrl_t *cp;
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{
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register struct ad1848_softc *ac = addr;
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register struct wss_softc *sc = ac->parent;
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struct ad1848_volume vol;
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u_char eq;
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int error = EINVAL;
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DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
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switch (cp->dev) {
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case WSS_MIC_IN_LVL: /* Microphone */
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if (cp->type == AUDIO_MIXER_VALUE) {
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if (wss_to_vol(cp, &vol))
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error = ad1848_set_aux2_gain(ac, &vol);
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}
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break;
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case WSS_MIC_IN_MUTE: /* Microphone */
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if (cp->type == AUDIO_MIXER_ENUM) {
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sc->mic_mute = cp->un.ord;
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DPRINTF(("mic mute %d\n", cp->un.ord));
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error = 0;
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}
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break;
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case WSS_LINE_IN_LVL: /* linein/CD */
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if (cp->type == AUDIO_MIXER_VALUE) {
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if (wss_to_vol(cp, &vol))
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error = ad1848_set_aux1_gain(ac, &vol);
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}
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break;
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case WSS_LINE_IN_MUTE: /* linein/CD */
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if (cp->type == AUDIO_MIXER_ENUM) {
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sc->cd_mute = cp->un.ord;
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DPRINTF(("CD mute %d\n", cp->un.ord));
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error = 0;
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}
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break;
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case WSS_DAC_LVL: /* dac out */
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if (cp->type == AUDIO_MIXER_VALUE) {
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if (wss_to_vol(cp, &vol))
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error = ad1848_set_out_gain(ac, &vol);
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}
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break;
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case WSS_DAC_MUTE: /* dac out */
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if (cp->type == AUDIO_MIXER_ENUM) {
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sc->dac_mute = cp->un.ord;
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DPRINTF(("DAC mute %d\n", cp->un.ord));
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error = 0;
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}
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break;
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case WSS_REC_LVL: /* record level */
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if (cp->type == AUDIO_MIXER_VALUE) {
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if (wss_to_vol(cp, &vol))
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error = ad1848_set_rec_gain(ac, &vol);
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}
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break;
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case WSS_RECORD_SOURCE:
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if (cp->type == AUDIO_MIXER_ENUM) {
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error = ad1848_set_rec_port(ac, cp->un.ord);
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}
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break;
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case WSS_MON_LVL:
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if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
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vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
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error = ad1848_set_mon_gain(ac, &vol);
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}
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break;
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default:
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return ENXIO;
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/*NOTREACHED*/
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}
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return 0;
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}
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int
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wss_mixer_get_port(addr, cp)
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void *addr;
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mixer_ctrl_t *cp;
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{
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register struct ad1848_softc *ac = addr;
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register struct wss_softc *sc = ac->parent;
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struct ad1848_volume vol;
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u_char eq;
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int error = EINVAL;
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DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
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switch (cp->dev) {
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case WSS_MIC_IN_LVL: /* Microphone */
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if (cp->type == AUDIO_MIXER_VALUE) {
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error = ad1848_get_aux2_gain(ac, &vol);
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if (!error)
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wss_from_vol(cp, &vol);
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}
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break;
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case WSS_MIC_IN_MUTE:
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if (cp->type == AUDIO_MIXER_ENUM) {
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cp->un.ord = sc->mic_mute;
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error = 0;
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}
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break;
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case WSS_LINE_IN_LVL: /* linein/CD */
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if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_aux1_gain(ac, &vol);
|
|
if (!error)
|
|
wss_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case WSS_LINE_IN_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = sc->cd_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case WSS_DAC_LVL: /* dac out */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_out_gain(ac, &vol);
|
|
if (!error)
|
|
wss_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case WSS_DAC_MUTE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = sc->dac_mute;
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case WSS_REC_LVL: /* record level */
|
|
if (cp->type == AUDIO_MIXER_VALUE) {
|
|
error = ad1848_get_rec_gain(ac, &vol);
|
|
if (!error)
|
|
wss_from_vol(cp, &vol);
|
|
}
|
|
break;
|
|
|
|
case WSS_RECORD_SOURCE:
|
|
if (cp->type == AUDIO_MIXER_ENUM) {
|
|
cp->un.ord = ad1848_get_rec_port(ac);
|
|
error = 0;
|
|
}
|
|
break;
|
|
|
|
case WSS_MON_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;
|
|
|
|
default:
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
|
|
return(error);
|
|
}
|
|
|
|
int
|
|
wss_query_devinfo(addr, dip)
|
|
void *addr;
|
|
register mixer_devinfo_t *dip;
|
|
{
|
|
register struct ad1848_softc *ac = addr;
|
|
register struct wss_softc *sc = ac->parent;
|
|
|
|
DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
|
|
|
|
switch(dip->index) {
|
|
case WSS_MIC_IN_LVL: /* Microphone */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = WSS_MIC_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNmicrophone);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case WSS_LINE_IN_LVL: /* line/CD */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = WSS_LINE_IN_MUTE;
|
|
strcpy(dip->label.name, AudioNcd);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case WSS_DAC_LVL: /* dacout */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = WSS_DAC_MUTE;
|
|
strcpy(dip->label.name, AudioNdac);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case WSS_REC_LVL: /* record level */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = WSS_RECORD_CLASS;
|
|
dip->prev = AUDIO_MIXER_LAST;
|
|
dip->next = WSS_RECORD_SOURCE;
|
|
strcpy(dip->label.name, AudioNrecord);
|
|
dip->un.v.num_channels = 2;
|
|
strcpy(dip->un.v.units.name, AudioNvolume);
|
|
break;
|
|
|
|
case WSS_MON_LVL: /* monitor level */
|
|
dip->type = AUDIO_MIXER_VALUE;
|
|
dip->mixer_class = WSS_MONITOR_CLASS;
|
|
dip->next = 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 WSS_INPUT_CLASS: /* input class descriptor */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioCInputs);
|
|
break;
|
|
|
|
case WSS_MONITOR_CLASS: /* monitor class descriptor */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = WSS_MONITOR_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNmonitor);
|
|
break;
|
|
|
|
case WSS_RECORD_CLASS: /* record source class */
|
|
dip->type = AUDIO_MIXER_CLASS;
|
|
dip->mixer_class = WSS_RECORD_CLASS;
|
|
dip->next = dip->prev = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNrecord);
|
|
break;
|
|
|
|
case WSS_MIC_IN_MUTE:
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = WSS_MIC_IN_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case WSS_LINE_IN_MUTE:
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = WSS_LINE_IN_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
goto mute;
|
|
|
|
case WSS_DAC_MUTE:
|
|
dip->mixer_class = WSS_INPUT_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = WSS_DAC_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 WSS_RECORD_SOURCE:
|
|
dip->mixer_class = WSS_RECORD_CLASS;
|
|
dip->type = AUDIO_MIXER_ENUM;
|
|
dip->prev = WSS_REC_LVL;
|
|
dip->next = AUDIO_MIXER_LAST;
|
|
strcpy(dip->label.name, AudioNsource);
|
|
dip->un.e.num_mem = 3;
|
|
strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
|
|
dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
|
|
strcpy(dip->un.e.member[1].label.name, AudioNcd);
|
|
dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
|
|
strcpy(dip->un.e.member[2].label.name, AudioNdac);
|
|
dip->un.e.member[2].ord = WSS_DAC_LVL;
|
|
break;
|
|
|
|
default:
|
|
return ENXIO;
|
|
/*NOTREACHED*/
|
|
}
|
|
DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
|
|
|
|
return 0;
|
|
}
|