xref: /dragonfly/sys/bus/u4b/audio/uaudio_pcm.c (revision f7df6c8e)
1 /* $FreeBSD$ */
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 #ifdef HAVE_KERNEL_OPTION_HEADERS
31 #include "opt_snd.h"
32 #endif
33 
34 #include <dev/sound/pcm/sound.h>
35 #include <dev/sound/chip.h>
36 #include <bus/u4b/audio/uaudio.h>
37 
38 #include "mixer_if.h"
39 
40 /************************************************************/
41 static void *
42 ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
43 {
44 	return (uaudio_chan_init(devinfo, b, c, dir));
45 }
46 
47 static int
48 ua_chan_free(kobj_t obj, void *data)
49 {
50 	return (uaudio_chan_free(data));
51 }
52 
53 static int
54 ua_chan_setformat(kobj_t obj, void *data, uint32_t format)
55 {
56 	/*
57 	 * At this point, no need to query as we
58 	 * shouldn't select an unsorted format
59 	 */
60 	return (uaudio_chan_set_param_format(data, format));
61 }
62 
63 static uint32_t
64 ua_chan_setspeed(kobj_t obj, void *data, uint32_t speed)
65 {
66 	return (uaudio_chan_set_param_speed(data, speed));
67 }
68 
69 static uint32_t
70 ua_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize)
71 {
72 	return (uaudio_chan_set_param_blocksize(data, blocksize));
73 }
74 
75 #if 0
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 #endif
82 
83 static int
84 ua_chan_trigger(kobj_t obj, void *data, int go)
85 {
86 	if (!PCMTRIG_COMMON(go)) {
87 		return (0);
88 	}
89 	if (go == PCMTRIG_START) {
90 		return (uaudio_chan_start(data));
91 	} else {
92 		return (uaudio_chan_stop(data));
93 	}
94 }
95 
96 static uint32_t
97 ua_chan_getptr(kobj_t obj, void *data)
98 {
99 	return (uaudio_chan_getptr(data));
100 }
101 
102 static struct pcmchan_caps *
103 ua_chan_getcaps(kobj_t obj, void *data)
104 {
105 	return (uaudio_chan_getcaps(data));
106 }
107 
108 #if 0
109 static struct pcmchan_matrix *
110 ua_chan_getmatrix(kobj_t obj, void *data, uint32_t format)
111 {
112 	return (uaudio_chan_getmatrix(data, format));
113 }
114 #endif
115 
116 static kobj_method_t ua_chan_methods[] = {
117 	KOBJMETHOD(channel_init, ua_chan_init),
118 	KOBJMETHOD(channel_free, ua_chan_free),
119 	KOBJMETHOD(channel_setformat, ua_chan_setformat),
120 	KOBJMETHOD(channel_setspeed, ua_chan_setspeed),
121 	KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize),
122 #if 0
123 	KOBJMETHOD(channel_setfragments, ua_chan_setfragments),
124 #endif
125 	KOBJMETHOD(channel_trigger, ua_chan_trigger),
126 	KOBJMETHOD(channel_getptr, ua_chan_getptr),
127 	KOBJMETHOD(channel_getcaps, ua_chan_getcaps),
128 #if 0
129 	KOBJMETHOD(channel_getmatrix, ua_chan_getmatrix),
130 #endif
131 	KOBJMETHOD_END
132 };
133 
134 CHANNEL_DECLARE(ua_chan);
135 
136 /************************************************************/
137 static int
138 ua_mixer_init(struct snd_mixer *m)
139 {
140 	return (uaudio_mixer_init_sub(mix_getdevinfo(m), m));
141 }
142 
143 static int
144 ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right)
145 {
146 	sndlock_t lock = uaudio_mixer_lock(m);
147 	snd_mtxlock(lock);
148 	uaudio_mixer_set(mix_getdevinfo(m), type, left, right);
149 	snd_mtxunlock(lock);
150 	return (left | (right << 8));
151 }
152 
153 static uint32_t
154 ua_mixer_setrecsrc(struct snd_mixer *m, uint32_t src)
155 {
156 	int retval;
157 	sndlock_t lock = uaudio_mixer_lock(m);
158 	snd_mtxlock(lock);
159 	retval = uaudio_mixer_setrecsrc(mix_getdevinfo(m), src);
160 	snd_mtxunlock(lock);
161 	return (retval);
162 }
163 
164 static int
165 ua_mixer_uninit(struct snd_mixer *m)
166 {
167 	return (uaudio_mixer_uninit_sub(mix_getdevinfo(m)));
168 }
169 
170 static kobj_method_t ua_mixer_methods[] = {
171 	KOBJMETHOD(mixer_init, ua_mixer_init),
172 	KOBJMETHOD(mixer_uninit, ua_mixer_uninit),
173 	KOBJMETHOD(mixer_set, ua_mixer_set),
174 	KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc),
175 	KOBJMETHOD_END
176 };
177 
178 MIXER_DECLARE(ua_mixer);
179 /************************************************************/
180 
181 
182 static int
183 ua_probe(device_t dev)
184 {
185 	struct sndcard_func *func;
186 
187 	/* the parent device has already been probed */
188 
189 	func = device_get_ivars(dev);
190 
191 	if ((func == NULL) ||
192 	    (func->func != SCF_PCM)) {
193 		return (ENXIO);
194 	}
195 	device_set_desc(dev, "USB audio");
196 
197 	return (BUS_PROBE_DEFAULT);
198 }
199 
200 static int
201 ua_attach(device_t dev)
202 {
203 	return (uaudio_attach_sub(dev, &ua_mixer_class, &ua_chan_class));
204 }
205 
206 static int
207 ua_detach(device_t dev)
208 {
209 	return (uaudio_detach_sub(dev));
210 }
211 
212 /************************************************************/
213 
214 static device_method_t ua_pcm_methods[] = {
215 	/* Device interface */
216 	DEVMETHOD(device_probe, ua_probe),
217 	DEVMETHOD(device_attach, ua_attach),
218 	DEVMETHOD(device_detach, ua_detach),
219 
220 	DEVMETHOD_END
221 };
222 
223 static driver_t ua_pcm_driver = {
224 	"pcm",
225 	ua_pcm_methods,
226 	PCM_SOFTC_SIZE,
227 };
228 
229 DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, NULL, NULL);
230 MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1);
231 MODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
232 MODULE_VERSION(ua_pcm, 1);
233