1 /* $FreeBSD: head/sys/dev/sound/usb/uaudio_pcm.c 246128 2013-01-30 18:01:20Z sbz $ */
2
3 /*-
4 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
5 * Copyright (c) 2006 Hans Petter Selasky
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29
30 #include "opt_snd.h"
31
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/chip.h>
34 #include <bus/u4b/audio/uaudio.h>
35
36 #include "mixer_if.h"
37
38 /************************************************************/
39 static void *
ua_chan_init(kobj_t obj,void * devinfo,struct snd_dbuf * b,struct pcm_channel * c,int dir)40 ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
41 {
42 return (uaudio_chan_init(devinfo, b, c, dir));
43 }
44
45 static int
ua_chan_free(kobj_t obj,void * data)46 ua_chan_free(kobj_t obj, void *data)
47 {
48 return (uaudio_chan_free(data));
49 }
50
51 static int
ua_chan_setformat(kobj_t obj,void * data,uint32_t format)52 ua_chan_setformat(kobj_t obj, void *data, uint32_t format)
53 {
54 /*
55 * At this point, no need to query as we
56 * shouldn't select an unsorted format
57 */
58 return (uaudio_chan_set_param_format(data, format));
59 }
60
61 static uint32_t
ua_chan_setspeed(kobj_t obj,void * data,uint32_t speed)62 ua_chan_setspeed(kobj_t obj, void *data, uint32_t speed)
63 {
64 return (uaudio_chan_set_param_speed(data, speed));
65 }
66
67 static uint32_t
ua_chan_setblocksize(kobj_t obj,void * data,uint32_t blocksize)68 ua_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize)
69 {
70 return (uaudio_chan_set_param_blocksize(data, blocksize));
71 }
72
73 static int
ua_chan_setfragments(kobj_t obj,void * data,uint32_t blocksize,uint32_t blockcount)74 ua_chan_setfragments(kobj_t obj, void *data, uint32_t blocksize, uint32_t blockcount)
75 {
76 return (uaudio_chan_set_param_fragments(data, blocksize, blockcount));
77 }
78
79 static int
ua_chan_trigger(kobj_t obj,void * data,int go)80 ua_chan_trigger(kobj_t obj, void *data, int go)
81 {
82 if (PCMTRIG_COMMON(go)) {
83 if (go == PCMTRIG_START) {
84 uaudio_chan_start(data);
85 } else {
86 uaudio_chan_stop(data);
87 }
88 }
89 return (0);
90 }
91
92 static uint32_t
ua_chan_getptr(kobj_t obj,void * data)93 ua_chan_getptr(kobj_t obj, void *data)
94 {
95 return (uaudio_chan_getptr(data));
96 }
97
98 static struct pcmchan_caps *
ua_chan_getcaps(kobj_t obj,void * data)99 ua_chan_getcaps(kobj_t obj, void *data)
100 {
101 return (uaudio_chan_getcaps(data));
102 }
103
104 static struct pcmchan_matrix *
ua_chan_getmatrix(kobj_t obj,void * data,uint32_t format)105 ua_chan_getmatrix(kobj_t obj, void *data, uint32_t format)
106 {
107 return (uaudio_chan_getmatrix(data, format));
108 }
109
110 static kobj_method_t ua_chan_methods[] = {
111 KOBJMETHOD(channel_init, ua_chan_init),
112 KOBJMETHOD(channel_free, ua_chan_free),
113 KOBJMETHOD(channel_setformat, ua_chan_setformat),
114 KOBJMETHOD(channel_setspeed, ua_chan_setspeed),
115 KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize),
116 KOBJMETHOD(channel_setfragments, ua_chan_setfragments),
117 KOBJMETHOD(channel_trigger, ua_chan_trigger),
118 KOBJMETHOD(channel_getptr, ua_chan_getptr),
119 KOBJMETHOD(channel_getcaps, ua_chan_getcaps),
120 KOBJMETHOD(channel_getmatrix, ua_chan_getmatrix),
121 KOBJMETHOD_END
122 };
123
124 CHANNEL_DECLARE(ua_chan);
125
126 /************************************************************/
127 static int
ua_mixer_init(struct snd_mixer * m)128 ua_mixer_init(struct snd_mixer *m)
129 {
130 return (uaudio_mixer_init_sub(mix_getdevinfo(m), m));
131 }
132
133 static int
ua_mixer_set(struct snd_mixer * m,unsigned type,unsigned left,unsigned right)134 ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right)
135 {
136 struct lock *lock = mixer_get_lock(m);
137 uint8_t do_unlock;
138
139 if (lockowned(lock)) {
140 do_unlock = 0;
141 } else {
142 do_unlock = 1;
143 lockmgr(lock, LK_EXCLUSIVE);
144 }
145 uaudio_mixer_set(mix_getdevinfo(m), type, left, right);
146 if (do_unlock) {
147 lockmgr(lock, LK_RELEASE);
148 }
149 return (left | (right << 8));
150 }
151
152 static uint32_t
ua_mixer_setrecsrc(struct snd_mixer * m,uint32_t src)153 ua_mixer_setrecsrc(struct snd_mixer *m, uint32_t src)
154 {
155 struct lock *lock = mixer_get_lock(m);
156 int retval;
157 uint8_t do_unlock;
158
159 if (lockowned(lock)) {
160 do_unlock = 0;
161 } else {
162 do_unlock = 1;
163 lockmgr(lock, LK_EXCLUSIVE);
164 }
165 retval = uaudio_mixer_setrecsrc(mix_getdevinfo(m), src);
166 if (do_unlock) {
167 lockmgr(lock, LK_RELEASE);
168 }
169 return (retval);
170 }
171
172 static int
ua_mixer_uninit(struct snd_mixer * m)173 ua_mixer_uninit(struct snd_mixer *m)
174 {
175 return (uaudio_mixer_uninit_sub(mix_getdevinfo(m)));
176 }
177
178 static kobj_method_t ua_mixer_methods[] = {
179 KOBJMETHOD(mixer_init, ua_mixer_init),
180 KOBJMETHOD(mixer_uninit, ua_mixer_uninit),
181 KOBJMETHOD(mixer_set, ua_mixer_set),
182 KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc),
183 KOBJMETHOD_END
184 };
185
186 MIXER_DECLARE(ua_mixer);
187 /************************************************************/
188
189
190 static int
ua_probe(device_t dev)191 ua_probe(device_t dev)
192 {
193 struct sndcard_func *func;
194
195 /* the parent device has already been probed */
196
197 func = device_get_ivars(dev);
198
199 if ((func == NULL) ||
200 (func->func != SCF_PCM)) {
201 return (ENXIO);
202 }
203 device_set_desc(dev, "USB audio");
204
205 return (BUS_PROBE_DEFAULT);
206 }
207
208 static int
ua_attach(device_t dev)209 ua_attach(device_t dev)
210 {
211 return (uaudio_attach_sub(dev, &ua_mixer_class, &ua_chan_class));
212 }
213
214 static int
ua_detach(device_t dev)215 ua_detach(device_t dev)
216 {
217 return (uaudio_detach_sub(dev));
218 }
219
220 /************************************************************/
221
222 static device_method_t ua_pcm_methods[] = {
223 /* Device interface */
224 DEVMETHOD(device_probe, ua_probe),
225 DEVMETHOD(device_attach, ua_attach),
226 DEVMETHOD(device_detach, ua_detach),
227
228 DEVMETHOD_END
229 };
230
231 static driver_t ua_pcm_driver = {
232 "pcm",
233 ua_pcm_methods,
234 PCM_SOFTC_SIZE,
235 };
236
237 DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, NULL, NULL);
238 MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1);
239 MODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
240 MODULE_VERSION(ua_pcm, 1);
241