Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / dev / sound / usb / uaudio_pcm.c
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MD
1/* $FreeBSD: src/sys/dev/sound/usb/uaudio_pcm.c,v 1.1.2.1 2002/08/24 08:03:07 nsayer Exp $ */
2
3/*
4 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28
29#include <sys/soundcard.h>
30#include <dev/sound/pcm/sound.h>
31#include <dev/sound/chip.h>
32
33#include <dev/sound/usb/uaudio.h>
34
35#include "mixer_if.h"
36
37struct ua_info;
38
39struct ua_chinfo {
40 struct ua_info *parent;
41 struct pcm_channel *channel;
42 struct snd_dbuf *buffer;
43 int dir, hwch;
44 u_int32_t fmt, spd, blksz; /* XXXXX */
45};
46
47struct ua_info {
48 device_t sc_dev;
49 struct ua_chinfo pch, rch;
50 bus_dma_tag_t parent_dmat;
51};
52
53static u_int32_t ua_playfmt[8*2+1]; /* 8 format * (stereo or mono) + endptr */
54
55static struct pcmchan_caps ua_playcaps = {8000, 48000, ua_playfmt, 0};
56
57static u_int32_t ua_recfmt[8*2+1]; /* 8 format * (stereo or mono) + endptr */
58
59static struct pcmchan_caps ua_reccaps = {8000, 48000, ua_recfmt, 0};
60
61#define UAUDIO_PCM_BUFF_SIZE 16*1024
62
63/************************************************************/
64static void *
65ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
66{
67 device_t pa_dev;
68 u_char *buf,*end;
69
70 struct ua_info *sc = devinfo;
71 struct ua_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
72
73 ch->parent = sc;
74 ch->channel = c;
75 ch->buffer = b;
76
77 /* allocate PCM side DMA buffer */
78 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, UAUDIO_PCM_BUFF_SIZE) != 0) {
79 return NULL;
80 }
81
82 pa_dev = device_get_parent(sc->sc_dev);
83 buf = end = sndbuf_getbuf(b);
84 end += sndbuf_getsize(b);
85 uaudio_chan_set_param_pcm_dma_buff(pa_dev, buf, end, ch->channel);
86
87 /* Create ua_playfmt[] & ua_recfmt[] */
88 uaudio_query_formats(pa_dev, (u_int32_t *)&ua_playfmt, (u_int32_t *)&ua_recfmt);
89
90 ch->dir = dir;
91#ifndef NO_RECORDING
92 ch->hwch = 1;
93 if (dir == PCMDIR_PLAY)
94 ch->hwch = 2;
95#else
96 ch->hwch = 2;
97#endif
98
99 return ch;
100}
101
102static int
103ua_chan_setformat(kobj_t obj, void *data, u_int32_t format)
104{
105 device_t pa_dev;
106 struct ua_info *ua;
107
108 struct ua_chinfo *ch = data;
109
110 ua = ch->parent;
111 pa_dev = device_get_parent(ua->sc_dev);
112 uaudio_chan_set_param_format(pa_dev, format);
113
114 ch->fmt = format;
115 return 0;
116}
117
118static int
119ua_chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
120{
121 device_t pa_dev;
122 struct ua_info *ua;
123
124 struct ua_chinfo *ch = data;
125 ch->spd = speed;
126
127 ua = ch->parent;
128 pa_dev = device_get_parent(ua->sc_dev);
129 uaudio_chan_set_param_speed(pa_dev, speed);
130
131 return ch->spd;
132}
133
134static int
135ua_chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
136{
137 device_t pa_dev;
138 struct ua_info *ua;
139 struct ua_chinfo *ch = data;
140 /* ch->blksz = blocksize; */
141 if (blocksize) {
142 ch->blksz = blocksize;
143 } else {
144 ch->blksz = UAUDIO_PCM_BUFF_SIZE/2;
145 }
146
147 /* XXXXX */
148 ua = ch->parent;
149 pa_dev = device_get_parent(ua->sc_dev);
150 uaudio_chan_set_param_blocksize(pa_dev, blocksize);
151
152 return ch->blksz;
153}
154
155static int
156ua_chan_trigger(kobj_t obj, void *data, int go)
157{
158 device_t pa_dev;
159 struct ua_info *ua;
160 struct ua_chinfo *ch = data;
161
162 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
163 return 0;
164
165 ua = ch->parent;
166 pa_dev = device_get_parent(ua->sc_dev);
167
168 /* XXXXX */
169 if (ch->dir == PCMDIR_PLAY) {
170 if (go == PCMTRIG_START) {
171 uaudio_trigger_output(pa_dev);
172 } else {
173 uaudio_halt_out_dma(pa_dev);
174 }
175 } else {
176#ifndef NO_RECORDING
177 if (go == PCMTRIG_START)
178 uaudio_trigger_input(pa_dev);
179 else
180 uaudio_halt_in_dma(pa_dev);
181#endif
182 }
183
184 return 0;
185}
186
187static int
188ua_chan_getptr(kobj_t obj, void *data)
189{
190 device_t pa_dev;
191 struct ua_info *ua;
192 struct ua_chinfo *ch = data;
193
194 ua = ch->parent;
195 pa_dev = device_get_parent(ua->sc_dev);
196
197 return uaudio_chan_getptr(pa_dev);
198}
199
200static struct pcmchan_caps *
201ua_chan_getcaps(kobj_t obj, void *data)
202{
203 struct ua_chinfo *ch = data;
204
205 return (ch->dir == PCMDIR_PLAY) ? &ua_playcaps : & ua_reccaps;
206}
207
208static kobj_method_t ua_chan_methods[] = {
209 KOBJMETHOD(channel_init, ua_chan_init),
210 KOBJMETHOD(channel_setformat, ua_chan_setformat),
211 KOBJMETHOD(channel_setspeed, ua_chan_setspeed),
212 KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize),
213 KOBJMETHOD(channel_trigger, ua_chan_trigger),
214 KOBJMETHOD(channel_getptr, ua_chan_getptr),
215 KOBJMETHOD(channel_getcaps, ua_chan_getcaps),
216 { 0, 0 }
217};
218
219CHANNEL_DECLARE(ua_chan);
220
221/************************************************************/
222static int
223ua_mixer_init(struct snd_mixer *m)
224{
225 u_int32_t mask;
226 device_t pa_dev;
227 struct ua_info *ua = mix_getdevinfo(m);
228
229 pa_dev = device_get_parent(ua->sc_dev);
230
231 mask = uaudio_query_mix_info(pa_dev);
232 mix_setdevs(m, mask);
233
234 return 0;
235}
236
237static int
238ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right)
239{
240 device_t pa_dev;
241 struct ua_info *ua = mix_getdevinfo(m);
242
243 pa_dev = device_get_parent(ua->sc_dev);
244 uaudio_mixer_set(pa_dev, type, left, right);
245
246 return left | (right << 8);
247}
248
249static int
250ua_mixer_setrecsrc(struct snd_mixer *m, u_int32_t src)
251{
252 return src;
253}
254
255static kobj_method_t ua_mixer_methods[] = {
256 KOBJMETHOD(mixer_init, ua_mixer_init),
257 KOBJMETHOD(mixer_set, ua_mixer_set),
258 KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc),
259
260 { 0, 0 }
261};
262MIXER_DECLARE(ua_mixer);
263/************************************************************/
264
265
266static int
267ua_probe(device_t dev)
268{
269 char *s;
270 struct sndcard_func *func;
271
272 /* The parent device has already been probed. */
273
274 func = device_get_ivars(dev);
275 if (func == NULL || func->func != SCF_PCM)
276 return (ENXIO);
277
278 s = "USB Audio";
279
280 device_set_desc(dev, s);
281 return 0;
282}
283
284static int
285ua_attach(device_t dev)
286{
287 struct ua_info *ua;
288 char status[SND_STATUSLEN];
289 unsigned int bufsz;
290
291 ua = (struct ua_info *)malloc(sizeof *ua, M_DEVBUF, M_NOWAIT);
292 if (!ua)
293 return ENXIO;
294 bzero(ua, sizeof *ua);
295
296 ua->sc_dev = dev;
297
298 bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_PCM_BUFF_SIZE, 65536);
299
300 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
301 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
302 /*highaddr*/BUS_SPACE_MAXADDR,
303 /*filter*/NULL, /*filterarg*/NULL,
304 /*maxsize*/bufsz, /*nsegments*/1,
305 /*maxsegz*/0x3fff, /*flags*/0,
306 &ua->parent_dmat) != 0) {
307 device_printf(dev, "unable to create dma tag\n");
308 goto bad;
309 }
310
311 if (mixer_init(dev, &ua_mixer_class, ua)) {
312 return(ENXIO);
313 }
314
315 snprintf(status, SND_STATUSLEN, "at addr ?");
316
317 if (pcm_register(dev, ua, 1, 0)) {
318 return(ENXIO);
319 }
320
321 pcm_addchan(dev, PCMDIR_PLAY, &ua_chan_class, ua);
322#ifndef NO_RECORDING
323 pcm_addchan(dev, PCMDIR_REC, &ua_chan_class, ua);
324#endif
325 pcm_setstatus(dev, status);
326
327 return 0;
328bad:
329 if (ua->parent_dmat)
330 bus_dma_tag_destroy(ua->parent_dmat);
331 free(ua, M_DEVBUF);
332
333 return ENXIO;
334}
335
336static int
337ua_detach(device_t dev)
338{
339 int r;
340 struct ua_info *sc;
341
342 r = pcm_unregister(dev);
343 if (r)
344 return r;
345
346 sc = pcm_getdevinfo(dev);
347 bus_dma_tag_destroy(sc->parent_dmat);
348 free(sc, M_DEVBUF);
349
350 return 0;
351}
352
353/************************************************************/
354
355static device_method_t ua_pcm_methods[] = {
356 /* Device interface */
357 DEVMETHOD(device_probe, ua_probe),
358 DEVMETHOD(device_attach, ua_attach),
359 DEVMETHOD(device_detach, ua_detach),
360
361 { 0, 0 }
362};
363
364static driver_t ua_pcm_driver = {
365 "pcm",
366 ua_pcm_methods,
367 PCM_SOFTC_SIZE,
368};
369
370static devclass_t pcm_devclass;
371
372DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0);
373MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1);
374MODULE_DEPEND(ua_pcm, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
375MODULE_VERSION(ua_pcm, 1);