Annotation of sys/arch/macppc/dev/aoa.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: aoa.c,v 1.3 2005/11/19 00:44:38 kettenis Exp $ */
! 2: /* $Id: aoa.c,v 1.3 2005/11/19 00:44:38 kettenis Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 2005 Tsubai Masanari. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. The name of the author may not be used to endorse or promote products
! 16: * derived from this software without specific prior written permission.
! 17: *
! 18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
! 27: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 28: */
! 29:
! 30: /*
! 31: * WORK-IN-PROGRESS AOAKeylargo audio driver.
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/audioio.h>
! 36: #include <sys/device.h>
! 37: #include <sys/systm.h>
! 38:
! 39: #include <dev/audio_if.h>
! 40: #include <dev/ofw/openfirm.h>
! 41: #include <macppc/dev/dbdma.h>
! 42:
! 43: #include <machine/autoconf.h>
! 44:
! 45: #include <macppc/dev/i2svar.h>
! 46:
! 47: #ifdef AOA_DEBUG
! 48: # define DPRINTF printf
! 49: #else
! 50: # define DPRINTF while (0) printf
! 51: #endif
! 52:
! 53: /* XXX */
! 54: #define aoa_softc i2s_softc
! 55:
! 56: int aoa_getdev(void *, struct audio_device *);
! 57: int aoa_match(struct device *, void *, void *);
! 58: void aoa_attach(struct device *, struct device *, void *);
! 59: void aoa_set_volume(struct aoa_softc *, int, int);
! 60:
! 61: struct cfattach aoa_ca = {
! 62: sizeof(struct aoa_softc), aoa_match, aoa_attach
! 63: };
! 64:
! 65: struct cfdriver aoa_cd = {
! 66: NULL, "aoa", DV_DULL
! 67: };
! 68:
! 69: struct audio_hw_if aoa_hw_if = {
! 70: i2s_open,
! 71: i2s_close,
! 72: NULL,
! 73: i2s_query_encoding,
! 74: i2s_set_params,
! 75: i2s_round_blocksize,
! 76: NULL,
! 77: NULL,
! 78: NULL,
! 79: NULL,
! 80: NULL,
! 81: i2s_halt_output,
! 82: i2s_halt_input,
! 83: NULL,
! 84: aoa_getdev,
! 85: NULL,
! 86: i2s_set_port,
! 87: i2s_get_port,
! 88: i2s_query_devinfo,
! 89: i2s_allocm,
! 90: NULL,
! 91: i2s_round_buffersize,
! 92: i2s_mappage,
! 93: i2s_get_props,
! 94: i2s_trigger_output,
! 95: i2s_trigger_input,
! 96: };
! 97:
! 98: struct audio_device aoa_device = {
! 99: "AOA",
! 100: "",
! 101: "aoa"
! 102: };
! 103:
! 104: int
! 105: aoa_match(struct device *parent, void *match, void *aux)
! 106: {
! 107: struct confargs *ca = aux;
! 108: int soundbus, soundchip;
! 109: char compat[32];
! 110:
! 111: if (strcmp(ca->ca_name, "i2s") != 0)
! 112: return (0);
! 113:
! 114: if ((soundbus = OF_child(ca->ca_node)) == 0 ||
! 115: (soundchip = OF_child(soundbus)) == 0)
! 116: return (0);
! 117:
! 118: bzero(compat, sizeof compat);
! 119: OF_getprop(soundchip, "compatible", compat, sizeof compat);
! 120:
! 121: if (strcmp(compat, "AOAKeylargo") == 0)
! 122: return (1);
! 123: if (strcmp(compat, "AOAK2") == 0)
! 124: return (1);
! 125:
! 126: return (0);
! 127: }
! 128:
! 129: void
! 130: aoa_attach(struct device *parent, struct device *self, void *aux)
! 131: {
! 132: struct aoa_softc *sc = (struct aoa_softc *)self;
! 133:
! 134: sc->sc_setvolume = aoa_set_volume;
! 135:
! 136: i2s_attach(parent, sc, aux);
! 137: audio_attach_mi(&aoa_hw_if, sc, &sc->sc_dev);
! 138: }
! 139:
! 140: int
! 141: aoa_getdev(void *h, struct audio_device *retp)
! 142: {
! 143: *retp = aoa_device;
! 144: return (0);
! 145: }
! 146:
! 147: void
! 148: aoa_set_volume(struct aoa_softc *sc, int left, int right)
! 149: {
! 150: printf("aoa_set_volume() not supported yet\n");
! 151: }
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