mixer.h revision 193640
1147883Sscottl/*- 2147883Sscottl * Copyright (c) 2005-2009 Ariff Abdullah <ariff@FreeBSD.org> 3147883Sscottl * Copyright (c) 1999 Cameron Grant <cg@FreeBSD.org> 4147883Sscottl * All rights reserved. 5147883Sscottl * 6147883Sscottl * Redistribution and use in source and binary forms, with or without 7147883Sscottl * modification, are permitted provided that the following conditions 8147883Sscottl * are met: 9147883Sscottl * 1. Redistributions of source code must retain the above copyright 10147883Sscottl * notice, this list of conditions and the following disclaimer. 11147883Sscottl * 2. Redistributions in binary form must reproduce the above copyright 12147883Sscottl * notice, this list of conditions and the following disclaimer in the 13147883Sscottl * documentation and/or other materials provided with the distribution. 14147883Sscottl * 15147883Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16147883Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17147883Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18147883Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19147883Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20147883Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21147883Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22147883Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23147883Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24147883Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25147883Sscottl * SUCH DAMAGE. 26147883Sscottl * 27156000Smjacob * $FreeBSD: head/sys/dev/sound/pcm/mixer.h 193640 2009-06-07 19:12:08Z ariff $ 28156000Smjacob */ 29156000Smjacob 30156000Smjacobstruct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo, 31156000Smjacob const char *desc); 32156000Smjacobint mixer_delete(struct snd_mixer *m); 33156000Smjacobint mixer_init(device_t dev, kobj_class_t cls, void *devinfo); 34156000Smjacobint mixer_uninit(device_t dev); 35156000Smjacobint mixer_reinit(device_t dev); 36156000Smjacobint mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from); 37156000Smjacobint mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi); 38156000Smjacob 39156000Smjacobint mixer_hwvol_init(device_t dev); 40156000Smjacobvoid mixer_hwvol_mute(device_t dev); 41156000Smjacobvoid mixer_hwvol_step(device_t dev, int left_step, int right_step); 42156000Smjacob 43156000Smjacobint mixer_busy(struct snd_mixer *m); 44156000Smjacob 45156000Smjacobint mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right); 46156000Smjacobint mix_get(struct snd_mixer *m, u_int dev); 47156000Smjacobint mix_setrecsrc(struct snd_mixer *m, u_int32_t src); 48156000Smjacobu_int32_t mix_getrecsrc(struct snd_mixer *m); 49156000Smjacobint mix_get_type(struct snd_mixer *m); 50156000Smjacob 51156000Smjacobvoid mix_setdevs(struct snd_mixer *m, u_int32_t v); 52156000Smjacobvoid mix_setrecdevs(struct snd_mixer *m, u_int32_t v); 53156000Smjacobu_int32_t mix_getdevs(struct snd_mixer *m); 54156000Smjacobu_int32_t mix_getrecdevs(struct snd_mixer *m); 55156000Smjacobvoid mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs); 56156000Smjacobvoid mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev); 57147883Sscottlu_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev); 58156000Smjacobu_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev); 59156000Smjacobvoid *mix_getdevinfo(struct snd_mixer *m); 60159052Smjacobstruct mtx *mixer_get_lock(struct snd_mixer *m); 61159052Smjacob 62159052Smjacobextern int mixer_count; 63147883Sscottl 64147883Sscottl#define MIXER_CMD_DIRECT 0 /* send command within driver */ 65147883Sscottl#define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */ 66147883Sscottl 67147883Sscottl#define MIXER_TYPE_PRIMARY 0 /* mixer_init() */ 68147883Sscottl#define MIXER_TYPE_SECONDARY 1 /* mixer_create() */ 69147883Sscottl 70147883Sscottl/* 71147883Sscottl * this is a kludge to allow hiding of the struct snd_mixer definition 72147883Sscottl * 512 should be enough for all architectures 73147883Sscottl */ 74147883Sscottl#define MIXER_SIZE (512 + sizeof(struct kobj) + \ 75147883Sscottl sizeof(oss_mixer_enuminfo)) 76147883Sscottl 77147883Sscottl#ifdef SND_DEBUG 78147883Sscottl#define MIXER_DECLARE(mixer) \ 79147883Sscottl static struct kobj_class mixer##_class = { \ 80148679Sgibbs .name = #mixer, \ 81148679Sgibbs .methods = mixer##_methods, \ 82148679Sgibbs .size = MIXER_SIZE, \ 83147883Sscottl .baseclasses = NULL, \ 84147883Sscottl .refs = 0 \ 85147883Sscottl } 86147883Sscottl#else 87147883Sscottl#define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE) 88147883Sscottl#endif 89147883Sscottl