uaudio_pcm.c revision 188957
1184610Salfred/* $FreeBSD: head/sys/dev/sound/usb/uaudio_pcm.c 188957 2009-02-23 21:19:18Z thompsa $ */ 2184610Salfred 3184610Salfred/*- 4184610Salfred * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org> 5184610Salfred * Copyright (c) 2006 Hans Petter Selasky 6184610Salfred * 7184610Salfred * Redistribution and use in source and binary forms, with or without 8184610Salfred * modification, are permitted provided that the following conditions 9184610Salfred * are met: 10184610Salfred * 1. Redistributions of source code must retain the above copyright 11184610Salfred * notice, this list of conditions and the following disclaimer. 12184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 13184610Salfred * notice, this list of conditions and the following disclaimer in the 14184610Salfred * documentation and/or other materials provided with the distribution. 15184610Salfred * 16184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26184610Salfred * SUCH DAMAGE. 27184610Salfred */ 28184610Salfred 29184610Salfred 30184610Salfred#include <sys/soundcard.h> 31184610Salfred#include <dev/sound/pcm/sound.h> 32184610Salfred#include <dev/sound/chip.h> 33188957Sthompsa#include <dev/sound/usb/uaudio.h> 34184610Salfred 35184610Salfred#include "mixer_if.h" 36184610Salfred 37184610Salfred/************************************************************/ 38184610Salfredstatic void * 39184610Salfredua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 40184610Salfred{ 41184610Salfred return (uaudio_chan_init(devinfo, b, c, dir)); 42184610Salfred} 43184610Salfred 44184610Salfredstatic int 45184610Salfredua_chan_free(kobj_t obj, void *data) 46184610Salfred{ 47184610Salfred return (uaudio_chan_free(data)); 48184610Salfred} 49184610Salfred 50184610Salfredstatic int 51184610Salfredua_chan_setformat(kobj_t obj, void *data, uint32_t format) 52184610Salfred{ 53184610Salfred /* 54184610Salfred * At this point, no need to query as we 55184610Salfred * shouldn't select an unsorted format 56184610Salfred */ 57184610Salfred return (uaudio_chan_set_param_format(data, format)); 58184610Salfred} 59184610Salfred 60184610Salfredstatic int 61184610Salfredua_chan_setspeed(kobj_t obj, void *data, uint32_t speed) 62184610Salfred{ 63184610Salfred return (uaudio_chan_set_param_speed(data, speed)); 64184610Salfred} 65184610Salfred 66184610Salfredstatic int 67184610Salfredua_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize) 68184610Salfred{ 69184610Salfred return (uaudio_chan_set_param_blocksize(data, blocksize)); 70184610Salfred} 71184610Salfred 72184610Salfredstatic int 73184610Salfredua_chan_setfragments(kobj_t obj, void *data, uint32_t blocksize, uint32_t blockcount) 74184610Salfred{ 75184610Salfred return (uaudio_chan_set_param_fragments(data, blocksize, blockcount)); 76184610Salfred} 77184610Salfred 78184610Salfredstatic int 79184610Salfredua_chan_trigger(kobj_t obj, void *data, int go) 80184610Salfred{ 81184610Salfred if (!PCMTRIG_COMMON(go)) { 82184610Salfred return (0); 83184610Salfred } 84184610Salfred if (go == PCMTRIG_START) { 85184610Salfred return (uaudio_chan_start(data)); 86184610Salfred } else { 87184610Salfred return (uaudio_chan_stop(data)); 88184610Salfred } 89184610Salfred} 90184610Salfred 91184610Salfredstatic int 92184610Salfredua_chan_getptr(kobj_t obj, void *data) 93184610Salfred{ 94184610Salfred return (uaudio_chan_getptr(data)); 95184610Salfred} 96184610Salfred 97184610Salfredstatic struct pcmchan_caps * 98184610Salfredua_chan_getcaps(kobj_t obj, void *data) 99184610Salfred{ 100184610Salfred return (uaudio_chan_getcaps(data)); 101184610Salfred} 102184610Salfred 103184610Salfredstatic kobj_method_t ua_chan_methods[] = { 104184610Salfred KOBJMETHOD(channel_init, ua_chan_init), 105184610Salfred KOBJMETHOD(channel_free, ua_chan_free), 106184610Salfred KOBJMETHOD(channel_setformat, ua_chan_setformat), 107184610Salfred KOBJMETHOD(channel_setspeed, ua_chan_setspeed), 108184610Salfred KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize), 109184610Salfred KOBJMETHOD(channel_setfragments, ua_chan_setfragments), 110184610Salfred KOBJMETHOD(channel_trigger, ua_chan_trigger), 111184610Salfred KOBJMETHOD(channel_getptr, ua_chan_getptr), 112184610Salfred KOBJMETHOD(channel_getcaps, ua_chan_getcaps), 113184610Salfred {0, 0} 114184610Salfred}; 115184610Salfred 116184610SalfredCHANNEL_DECLARE(ua_chan); 117184610Salfred 118184610Salfred/************************************************************/ 119184610Salfredstatic int 120184610Salfredua_mixer_init(struct snd_mixer *m) 121184610Salfred{ 122184610Salfred return (uaudio_mixer_init_sub(mix_getdevinfo(m), m)); 123184610Salfred} 124184610Salfred 125184610Salfredstatic int 126184610Salfredua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right) 127184610Salfred{ 128184610Salfred struct mtx *mtx = mixer_get_lock(m); 129184610Salfred uint8_t do_unlock; 130184610Salfred 131184610Salfred if (mtx_owned(mtx)) { 132184610Salfred do_unlock = 0; 133184610Salfred } else { 134184610Salfred do_unlock = 1; 135184610Salfred mtx_lock(mtx); 136184610Salfred } 137184610Salfred uaudio_mixer_set(mix_getdevinfo(m), type, left, right); 138184610Salfred if (do_unlock) { 139184610Salfred mtx_unlock(mtx); 140184610Salfred } 141184610Salfred return (left | (right << 8)); 142184610Salfred} 143184610Salfred 144184610Salfredstatic int 145184610Salfredua_mixer_setrecsrc(struct snd_mixer *m, uint32_t src) 146184610Salfred{ 147184610Salfred struct mtx *mtx = mixer_get_lock(m); 148184610Salfred int retval; 149184610Salfred uint8_t do_unlock; 150184610Salfred 151184610Salfred if (mtx_owned(mtx)) { 152184610Salfred do_unlock = 0; 153184610Salfred } else { 154184610Salfred do_unlock = 1; 155184610Salfred mtx_lock(mtx); 156184610Salfred } 157184610Salfred retval = uaudio_mixer_setrecsrc(mix_getdevinfo(m), src); 158184610Salfred if (do_unlock) { 159184610Salfred mtx_unlock(mtx); 160184610Salfred } 161184610Salfred return (retval); 162184610Salfred} 163184610Salfred 164184610Salfredstatic int 165184610Salfredua_mixer_uninit(struct snd_mixer *m) 166184610Salfred{ 167184610Salfred return (uaudio_mixer_uninit_sub(mix_getdevinfo(m))); 168184610Salfred} 169184610Salfred 170184610Salfredstatic kobj_method_t ua_mixer_methods[] = { 171184610Salfred KOBJMETHOD(mixer_init, ua_mixer_init), 172184610Salfred KOBJMETHOD(mixer_uninit, ua_mixer_uninit), 173184610Salfred KOBJMETHOD(mixer_set, ua_mixer_set), 174184610Salfred KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc), 175184610Salfred 176184610Salfred {0, 0} 177184610Salfred}; 178184610Salfred 179184610SalfredMIXER_DECLARE(ua_mixer); 180184610Salfred/************************************************************/ 181184610Salfred 182184610Salfred 183184610Salfredstatic int 184184610Salfredua_probe(device_t dev) 185184610Salfred{ 186184610Salfred struct sndcard_func *func; 187184610Salfred 188184610Salfred /* the parent device has already been probed */ 189184610Salfred 190184610Salfred func = device_get_ivars(dev); 191184610Salfred 192184610Salfred if ((func == NULL) || 193184610Salfred (func->func != SCF_PCM)) { 194184610Salfred return (ENXIO); 195184610Salfred } 196184610Salfred device_set_desc(dev, "USB audio"); 197184610Salfred 198184610Salfred return (BUS_PROBE_DEFAULT); 199184610Salfred} 200184610Salfred 201184610Salfredstatic int 202184610Salfredua_attach(device_t dev) 203184610Salfred{ 204184610Salfred return (uaudio_attach_sub(dev, &ua_mixer_class, &ua_chan_class)); 205184610Salfred} 206184610Salfred 207184610Salfredstatic int 208184610Salfredua_detach(device_t dev) 209184610Salfred{ 210184610Salfred return (uaudio_detach_sub(dev)); 211184610Salfred} 212184610Salfred 213184610Salfred/************************************************************/ 214184610Salfred 215184610Salfredstatic device_method_t ua_pcm_methods[] = { 216184610Salfred /* Device interface */ 217184610Salfred DEVMETHOD(device_probe, ua_probe), 218184610Salfred DEVMETHOD(device_attach, ua_attach), 219184610Salfred DEVMETHOD(device_detach, ua_detach), 220184610Salfred 221184610Salfred {0, 0} 222184610Salfred}; 223184610Salfred 224184610Salfredstatic driver_t ua_pcm_driver = { 225184610Salfred "pcm", 226184610Salfred ua_pcm_methods, 227184610Salfred PCM_SOFTC_SIZE, 228184610Salfred}; 229184610Salfred 230184610SalfredDRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0); 231184610SalfredMODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1); 232184610SalfredMODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 233184610SalfredMODULE_VERSION(ua_pcm, 1); 234