uaudio_pcm.c revision 184610
1184610Salfred/* $FreeBSD: head/sys/dev/usb2/sound/uaudio2_pcm.c 184610 2008-11-04 02:31:03Z alfred $ */ 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> 33184610Salfred 34184610Salfred#include <dev/usb2/sound/uaudio2.h> 35184610Salfred 36184610Salfred#include "mixer_if.h" 37184610Salfred 38184610Salfred/************************************************************/ 39184610Salfredstatic void * 40184610Salfredua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 41184610Salfred{ 42184610Salfred return (uaudio_chan_init(devinfo, b, c, dir)); 43184610Salfred} 44184610Salfred 45184610Salfredstatic int 46184610Salfredua_chan_free(kobj_t obj, void *data) 47184610Salfred{ 48184610Salfred return (uaudio_chan_free(data)); 49184610Salfred} 50184610Salfred 51184610Salfredstatic int 52184610Salfredua_chan_setformat(kobj_t obj, void *data, uint32_t format) 53184610Salfred{ 54184610Salfred /* 55184610Salfred * At this point, no need to query as we 56184610Salfred * shouldn't select an unsorted format 57184610Salfred */ 58184610Salfred return (uaudio_chan_set_param_format(data, format)); 59184610Salfred} 60184610Salfred 61184610Salfredstatic int 62184610Salfredua_chan_setspeed(kobj_t obj, void *data, uint32_t speed) 63184610Salfred{ 64184610Salfred return (uaudio_chan_set_param_speed(data, speed)); 65184610Salfred} 66184610Salfred 67184610Salfredstatic int 68184610Salfredua_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize) 69184610Salfred{ 70184610Salfred return (uaudio_chan_set_param_blocksize(data, blocksize)); 71184610Salfred} 72184610Salfred 73184610Salfredstatic int 74184610Salfredua_chan_setfragments(kobj_t obj, void *data, uint32_t blocksize, uint32_t blockcount) 75184610Salfred{ 76184610Salfred return (uaudio_chan_set_param_fragments(data, blocksize, blockcount)); 77184610Salfred} 78184610Salfred 79184610Salfredstatic int 80184610Salfredua_chan_trigger(kobj_t obj, void *data, int go) 81184610Salfred{ 82184610Salfred if (!PCMTRIG_COMMON(go)) { 83184610Salfred return (0); 84184610Salfred } 85184610Salfred if (go == PCMTRIG_START) { 86184610Salfred return (uaudio_chan_start(data)); 87184610Salfred } else { 88184610Salfred return (uaudio_chan_stop(data)); 89184610Salfred } 90184610Salfred} 91184610Salfred 92184610Salfredstatic int 93184610Salfredua_chan_getptr(kobj_t obj, void *data) 94184610Salfred{ 95184610Salfred return (uaudio_chan_getptr(data)); 96184610Salfred} 97184610Salfred 98184610Salfredstatic struct pcmchan_caps * 99184610Salfredua_chan_getcaps(kobj_t obj, void *data) 100184610Salfred{ 101184610Salfred return (uaudio_chan_getcaps(data)); 102184610Salfred} 103184610Salfred 104184610Salfredstatic kobj_method_t ua_chan_methods[] = { 105184610Salfred KOBJMETHOD(channel_init, ua_chan_init), 106184610Salfred KOBJMETHOD(channel_free, ua_chan_free), 107184610Salfred KOBJMETHOD(channel_setformat, ua_chan_setformat), 108184610Salfred KOBJMETHOD(channel_setspeed, ua_chan_setspeed), 109184610Salfred KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize), 110184610Salfred KOBJMETHOD(channel_setfragments, ua_chan_setfragments), 111184610Salfred KOBJMETHOD(channel_trigger, ua_chan_trigger), 112184610Salfred KOBJMETHOD(channel_getptr, ua_chan_getptr), 113184610Salfred KOBJMETHOD(channel_getcaps, ua_chan_getcaps), 114184610Salfred {0, 0} 115184610Salfred}; 116184610Salfred 117184610SalfredCHANNEL_DECLARE(ua_chan); 118184610Salfred 119184610Salfred/************************************************************/ 120184610Salfredstatic int 121184610Salfredua_mixer_init(struct snd_mixer *m) 122184610Salfred{ 123184610Salfred return (uaudio_mixer_init_sub(mix_getdevinfo(m), m)); 124184610Salfred} 125184610Salfred 126184610Salfredstatic int 127184610Salfredua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right) 128184610Salfred{ 129184610Salfred struct mtx *mtx = mixer_get_lock(m); 130184610Salfred uint8_t do_unlock; 131184610Salfred 132184610Salfred if (mtx_owned(mtx)) { 133184610Salfred do_unlock = 0; 134184610Salfred } else { 135184610Salfred do_unlock = 1; 136184610Salfred mtx_lock(mtx); 137184610Salfred } 138184610Salfred uaudio_mixer_set(mix_getdevinfo(m), type, left, right); 139184610Salfred if (do_unlock) { 140184610Salfred mtx_unlock(mtx); 141184610Salfred } 142184610Salfred return (left | (right << 8)); 143184610Salfred} 144184610Salfred 145184610Salfredstatic int 146184610Salfredua_mixer_setrecsrc(struct snd_mixer *m, uint32_t src) 147184610Salfred{ 148184610Salfred struct mtx *mtx = mixer_get_lock(m); 149184610Salfred int retval; 150184610Salfred uint8_t do_unlock; 151184610Salfred 152184610Salfred if (mtx_owned(mtx)) { 153184610Salfred do_unlock = 0; 154184610Salfred } else { 155184610Salfred do_unlock = 1; 156184610Salfred mtx_lock(mtx); 157184610Salfred } 158184610Salfred retval = uaudio_mixer_setrecsrc(mix_getdevinfo(m), src); 159184610Salfred if (do_unlock) { 160184610Salfred mtx_unlock(mtx); 161184610Salfred } 162184610Salfred return (retval); 163184610Salfred} 164184610Salfred 165184610Salfredstatic int 166184610Salfredua_mixer_uninit(struct snd_mixer *m) 167184610Salfred{ 168184610Salfred return (uaudio_mixer_uninit_sub(mix_getdevinfo(m))); 169184610Salfred} 170184610Salfred 171184610Salfredstatic kobj_method_t ua_mixer_methods[] = { 172184610Salfred KOBJMETHOD(mixer_init, ua_mixer_init), 173184610Salfred KOBJMETHOD(mixer_uninit, ua_mixer_uninit), 174184610Salfred KOBJMETHOD(mixer_set, ua_mixer_set), 175184610Salfred KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc), 176184610Salfred 177184610Salfred {0, 0} 178184610Salfred}; 179184610Salfred 180184610SalfredMIXER_DECLARE(ua_mixer); 181184610Salfred/************************************************************/ 182184610Salfred 183184610Salfred 184184610Salfredstatic int 185184610Salfredua_probe(device_t dev) 186184610Salfred{ 187184610Salfred struct sndcard_func *func; 188184610Salfred 189184610Salfred /* the parent device has already been probed */ 190184610Salfred 191184610Salfred func = device_get_ivars(dev); 192184610Salfred 193184610Salfred if ((func == NULL) || 194184610Salfred (func->func != SCF_PCM)) { 195184610Salfred return (ENXIO); 196184610Salfred } 197184610Salfred device_set_desc(dev, "USB audio"); 198184610Salfred 199184610Salfred return (BUS_PROBE_DEFAULT); 200184610Salfred} 201184610Salfred 202184610Salfredstatic int 203184610Salfredua_attach(device_t dev) 204184610Salfred{ 205184610Salfred return (uaudio_attach_sub(dev, &ua_mixer_class, &ua_chan_class)); 206184610Salfred} 207184610Salfred 208184610Salfredstatic int 209184610Salfredua_detach(device_t dev) 210184610Salfred{ 211184610Salfred return (uaudio_detach_sub(dev)); 212184610Salfred} 213184610Salfred 214184610Salfred/************************************************************/ 215184610Salfred 216184610Salfredstatic device_method_t ua_pcm_methods[] = { 217184610Salfred /* Device interface */ 218184610Salfred DEVMETHOD(device_probe, ua_probe), 219184610Salfred DEVMETHOD(device_attach, ua_attach), 220184610Salfred DEVMETHOD(device_detach, ua_detach), 221184610Salfred 222184610Salfred {0, 0} 223184610Salfred}; 224184610Salfred 225184610Salfredstatic driver_t ua_pcm_driver = { 226184610Salfred "pcm", 227184610Salfred ua_pcm_methods, 228184610Salfred PCM_SOFTC_SIZE, 229184610Salfred}; 230184610Salfred 231184610SalfredDRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0); 232184610SalfredMODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1); 233184610SalfredMODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 234184610SalfredMODULE_VERSION(ua_pcm, 1); 235