1 /* $FreeBSD$ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org> 7 * Copyright (c) 2006 Hans Petter Selasky 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifdef HAVE_KERNEL_OPTION_HEADERS 32 #include "opt_snd.h" 33 #endif 34 35 #include <dev/sound/pcm/sound.h> 36 #include <dev/sound/chip.h> 37 #include <dev/sound/usb/uaudio.h> 38 39 #include "mixer_if.h" 40 41 /************************************************************/ 42 static void * 43 ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 44 { 45 return (uaudio_chan_init(devinfo, b, c, dir)); 46 } 47 48 static int 49 ua_chan_free(kobj_t obj, void *data) 50 { 51 return (uaudio_chan_free(data)); 52 } 53 54 static int 55 ua_chan_setformat(kobj_t obj, void *data, uint32_t format) 56 { 57 /* 58 * At this point, no need to query as we 59 * shouldn't select an unsorted format 60 */ 61 return (uaudio_chan_set_param_format(data, format)); 62 } 63 64 static uint32_t 65 ua_chan_setspeed(kobj_t obj, void *data, uint32_t speed) 66 { 67 return (uaudio_chan_set_param_speed(data, speed)); 68 } 69 70 static uint32_t 71 ua_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize) 72 { 73 return (uaudio_chan_set_param_blocksize(data, blocksize)); 74 } 75 76 static int 77 ua_chan_setfragments(kobj_t obj, void *data, uint32_t blocksize, uint32_t blockcount) 78 { 79 return (uaudio_chan_set_param_fragments(data, blocksize, blockcount)); 80 } 81 82 static int 83 ua_chan_trigger(kobj_t obj, void *data, int go) 84 { 85 if (PCMTRIG_COMMON(go)) { 86 if (go == PCMTRIG_START) { 87 uaudio_chan_start(data); 88 } else { 89 uaudio_chan_stop(data); 90 } 91 } 92 return (0); 93 } 94 95 static uint32_t 96 ua_chan_getptr(kobj_t obj, void *data) 97 { 98 return (uaudio_chan_getptr(data)); 99 } 100 101 static struct pcmchan_caps * 102 ua_chan_getcaps(kobj_t obj, void *data) 103 { 104 return (uaudio_chan_getcaps(data)); 105 } 106 107 static struct pcmchan_matrix * 108 ua_chan_getmatrix(kobj_t obj, void *data, uint32_t format) 109 { 110 return (uaudio_chan_getmatrix(data, format)); 111 } 112 113 static kobj_method_t ua_chan_methods[] = { 114 KOBJMETHOD(channel_init, ua_chan_init), 115 KOBJMETHOD(channel_free, ua_chan_free), 116 KOBJMETHOD(channel_setformat, ua_chan_setformat), 117 KOBJMETHOD(channel_setspeed, ua_chan_setspeed), 118 KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize), 119 KOBJMETHOD(channel_setfragments, ua_chan_setfragments), 120 KOBJMETHOD(channel_trigger, ua_chan_trigger), 121 KOBJMETHOD(channel_getptr, ua_chan_getptr), 122 KOBJMETHOD(channel_getcaps, ua_chan_getcaps), 123 KOBJMETHOD(channel_getmatrix, ua_chan_getmatrix), 124 KOBJMETHOD_END 125 }; 126 127 CHANNEL_DECLARE(ua_chan); 128 129 /************************************************************/ 130 static int 131 ua_mixer_init(struct snd_mixer *m) 132 { 133 return (uaudio_mixer_init_sub(mix_getdevinfo(m), m)); 134 } 135 136 static int 137 ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right) 138 { 139 struct mtx *mtx = mixer_get_lock(m); 140 uint8_t do_unlock; 141 142 if (mtx_owned(mtx)) { 143 do_unlock = 0; 144 } else { 145 do_unlock = 1; 146 mtx_lock(mtx); 147 } 148 uaudio_mixer_set(mix_getdevinfo(m), m, type, left, right); 149 if (do_unlock) { 150 mtx_unlock(mtx); 151 } 152 return (left | (right << 8)); 153 } 154 155 static uint32_t 156 ua_mixer_setrecsrc(struct snd_mixer *m, uint32_t src) 157 { 158 struct mtx *mtx = mixer_get_lock(m); 159 int retval; 160 uint8_t do_unlock; 161 162 if (mtx_owned(mtx)) { 163 do_unlock = 0; 164 } else { 165 do_unlock = 1; 166 mtx_lock(mtx); 167 } 168 retval = uaudio_mixer_setrecsrc(mix_getdevinfo(m), m, src); 169 if (do_unlock) { 170 mtx_unlock(mtx); 171 } 172 return (retval); 173 } 174 175 static int 176 ua_mixer_uninit(struct snd_mixer *m) 177 { 178 return (uaudio_mixer_uninit_sub(mix_getdevinfo(m), m)); 179 } 180 181 static kobj_method_t ua_mixer_methods[] = { 182 KOBJMETHOD(mixer_init, ua_mixer_init), 183 KOBJMETHOD(mixer_uninit, ua_mixer_uninit), 184 KOBJMETHOD(mixer_set, ua_mixer_set), 185 KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc), 186 KOBJMETHOD_END 187 }; 188 189 MIXER_DECLARE(ua_mixer); 190 /************************************************************/ 191 192 static int 193 ua_probe(device_t dev) 194 { 195 struct sndcard_func *func; 196 197 /* the parent device has already been probed */ 198 199 func = device_get_ivars(dev); 200 201 if ((func == NULL) || 202 (func->func != SCF_PCM)) { 203 return (ENXIO); 204 } 205 device_set_desc(dev, "USB audio"); 206 207 return (BUS_PROBE_DEFAULT); 208 } 209 210 static int 211 ua_attach(device_t dev) 212 { 213 return (uaudio_attach_sub(dev, &ua_mixer_class, &ua_chan_class)); 214 } 215 216 static int 217 ua_detach(device_t dev) 218 { 219 return (uaudio_detach_sub(dev)); 220 } 221 222 /************************************************************/ 223 224 static device_method_t ua_pcm_methods[] = { 225 /* Device interface */ 226 DEVMETHOD(device_probe, ua_probe), 227 DEVMETHOD(device_attach, ua_attach), 228 DEVMETHOD(device_detach, ua_detach), 229 230 DEVMETHOD_END 231 }; 232 233 static driver_t ua_pcm_driver = { 234 "pcm", 235 ua_pcm_methods, 236 PCM_SOFTC_SIZE, 237 }; 238 239 DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0); 240 MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1); 241 MODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 242 MODULE_VERSION(ua_pcm, 1); 243