1 /* $OpenBSD: aoa.c,v 1.9 2016/09/19 06:46:43 ratchov Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * WORK-IN-PROGRESS AOAKeylargo audio driver. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/audioio.h> 35 #include <sys/device.h> 36 #include <sys/systm.h> 37 38 #include <dev/audio_if.h> 39 #include <dev/ofw/openfirm.h> 40 #include <macppc/dev/dbdma.h> 41 42 #include <machine/autoconf.h> 43 44 #include <macppc/dev/i2svar.h> 45 46 #ifdef AOA_DEBUG 47 # define DPRINTF printf 48 #else 49 # define DPRINTF while (0) printf 50 #endif 51 52 /* XXX */ 53 #define aoa_softc i2s_softc 54 55 int aoa_match(struct device *, void *, void *); 56 void aoa_attach(struct device *, struct device *, void *); 57 void aoa_defer(struct device *); 58 void aoa_set_volume(struct aoa_softc *, int, int); 59 60 struct cfattach aoa_ca = { 61 sizeof(struct aoa_softc), aoa_match, aoa_attach 62 }; 63 64 struct cfdriver aoa_cd = { 65 NULL, "aoa", DV_DULL 66 }; 67 68 struct audio_hw_if aoa_hw_if = { 69 i2s_open, 70 i2s_close, 71 i2s_set_params, 72 i2s_round_blocksize, 73 NULL, 74 NULL, 75 NULL, 76 NULL, 77 NULL, 78 i2s_halt_output, 79 i2s_halt_input, 80 NULL, 81 NULL, 82 i2s_set_port, 83 i2s_get_port, 84 i2s_query_devinfo, 85 i2s_allocm, 86 NULL, 87 i2s_round_buffersize, 88 i2s_get_props, 89 i2s_trigger_output, 90 i2s_trigger_input 91 }; 92 93 int 94 aoa_match(struct device *parent, void *match, void *aux) 95 { 96 struct confargs *ca = aux; 97 int soundbus, soundchip; 98 char compat[32]; 99 100 if (strcmp(ca->ca_name, "i2s") != 0) 101 return (0); 102 103 if ((soundbus = OF_child(ca->ca_node)) == 0 || 104 (soundchip = OF_child(soundbus)) == 0) 105 return (0); 106 107 bzero(compat, sizeof compat); 108 OF_getprop(soundchip, "compatible", compat, sizeof compat); 109 110 if (strcmp(compat, "AOAKeylargo") == 0) 111 return (1); 112 if (strcmp(compat, "AOAK2") == 0) 113 return (1); 114 if (strcmp(compat, "AOAShasta") == 0) 115 return (1); 116 117 return (0); 118 } 119 120 void 121 aoa_attach(struct device *parent, struct device *self, void *aux) 122 { 123 struct aoa_softc *sc = (struct aoa_softc *)self; 124 125 sc->sc_setvolume = aoa_set_volume; 126 127 i2s_attach(parent, sc, aux); 128 config_defer(self, aoa_defer); 129 } 130 131 void 132 aoa_defer(struct device *dev) 133 { 134 struct aoa_softc *sc = (struct aoa_softc *)dev; 135 136 audio_attach_mi(&aoa_hw_if, sc, &sc->sc_dev); 137 deq_reset(sc); 138 } 139 140 void 141 aoa_set_volume(struct aoa_softc *sc, int left, int right) 142 { 143 /* This device doesn't provide volume control. */ 144 } 145