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