/* * Copyright (c) 2011 Jan Vesely * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup drvaudiosb16 * @{ */ /** @file * Main routines of Creative Labs SoundBlaster 16 driver */ #include #include #include #include "mixer.h" #include "sb16.h" static sb_mixer_t *fun_to_mixer(ddf_fun_t *fun) { sb16_t *sb = (sb16_t *)ddf_dev_data_get(ddf_fun_get_dev(fun)); return &sb->mixer; } static errno_t sb_get_info(ddf_fun_t *fun, const char **name, unsigned *items) { sb_mixer_t *mixer = fun_to_mixer(fun); if (name) *name = sb_mixer_type_str(mixer->type); if (items) *items = sb_mixer_get_control_item_count(mixer); return EOK; } static errno_t sb_get_item_info(ddf_fun_t *fun, unsigned item, const char **name, unsigned *max_level) { sb_mixer_t *mixer = fun_to_mixer(fun); return sb_mixer_get_control_item_info(mixer, item, name, max_level); } static errno_t sb_set_item_level(ddf_fun_t *fun, unsigned item, unsigned value) { sb_mixer_t *mixer = fun_to_mixer(fun); return sb_mixer_set_control_item_value(mixer, item, value); } static errno_t sb_get_item_level(ddf_fun_t *fun, unsigned item, unsigned *value) { sb_mixer_t *mixer = fun_to_mixer(fun); return sb_mixer_get_control_item_value(mixer, item, value); } audio_mixer_iface_t sb_mixer_iface = { .get_info = sb_get_info, .get_item_info = sb_get_item_info, .get_item_level = sb_get_item_level, .set_item_level = sb_set_item_level, }; /** * @} */