| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 | /** @addtogroup drvaudiosb16
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| 29 | * @{
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| 30 | */
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| 31 | /** @file
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| 32 | * Main routines of Creative Labs SoundBlaster 16 driver
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| 33 | */
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| 34 |
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| 35 | #include <ddf/driver.h>
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| 36 | #include <errno.h>
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| 37 | #include <audio_mixer_iface.h>
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| 38 |
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| 39 | #include "mixer.h"
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| 40 | #include "sb16.h"
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| 41 |
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| 42 | static sb_mixer_t *fun_to_mixer(ddf_fun_t *fun)
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| 43 | {
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| 44 | sb16_t *sb = (sb16_t *)ddf_dev_data_get(ddf_fun_get_dev(fun));
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| 45 | return &sb->mixer;
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| 46 | }
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| 47 |
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| 48 | static errno_t sb_get_info(ddf_fun_t *fun, const char **name, unsigned *items)
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| 49 | {
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| 50 | sb_mixer_t *mixer = fun_to_mixer(fun);
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| 51 |
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| 52 | if (name)
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| 53 | *name = sb_mixer_type_str(mixer->type);
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| 54 | if (items)
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| 55 | *items = sb_mixer_get_control_item_count(mixer);
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| 56 |
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| 57 | return EOK;
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| 58 | }
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| 59 |
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| 60 | static errno_t sb_get_item_info(ddf_fun_t *fun, unsigned item, const char **name,
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| 61 | unsigned *max_level)
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| 62 | {
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| 63 | sb_mixer_t *mixer = fun_to_mixer(fun);
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| 64 | return sb_mixer_get_control_item_info(mixer, item, name, max_level);
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| 65 | }
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| 66 |
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| 67 | static errno_t sb_set_item_level(ddf_fun_t *fun, unsigned item, unsigned value)
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| 68 | {
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| 69 | sb_mixer_t *mixer = fun_to_mixer(fun);
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| 70 | return sb_mixer_set_control_item_value(mixer, item, value);
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| 71 | }
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| 72 |
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| 73 | static errno_t sb_get_item_level(ddf_fun_t *fun, unsigned item, unsigned *value)
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| 74 | {
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| 75 | sb_mixer_t *mixer = fun_to_mixer(fun);
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| 76 | return sb_mixer_get_control_item_value(mixer, item, value);
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| 77 | }
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| 78 |
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| 79 | audio_mixer_iface_t sb_mixer_iface = {
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| 80 | .get_info = sb_get_info,
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| 81 | .get_item_info = sb_get_item_info,
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| 82 |
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| 83 | .get_item_level = sb_get_item_level,
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| 84 | .set_item_level = sb_set_item_level,
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| 85 | };
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| 86 | /**
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| 87 | * @}
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| 88 | */
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