1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Driver for Digigram VXpocket soundcards |
4 | * |
5 | * VX-pocket mixer |
6 | * |
7 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> |
8 | */ |
9 | |
10 | #include <sound/core.h> |
11 | #include <sound/control.h> |
12 | #include <sound/tlv.h> |
13 | #include "vxpocket.h" |
14 | |
15 | #define MIC_LEVEL_MIN 0 |
16 | #define MIC_LEVEL_MAX 8 |
17 | |
18 | /* |
19 | * mic level control (for VXPocket) |
20 | */ |
21 | static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
22 | { |
23 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
24 | uinfo->count = 1; |
25 | uinfo->value.integer.min = 0; |
26 | uinfo->value.integer.max = MIC_LEVEL_MAX; |
27 | return 0; |
28 | } |
29 | |
30 | static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
31 | { |
32 | struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
33 | struct snd_vxpocket *chip = to_vxpocket(_chip); |
34 | ucontrol->value.integer.value[0] = chip->mic_level; |
35 | return 0; |
36 | } |
37 | |
38 | static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
39 | { |
40 | struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
41 | struct snd_vxpocket *chip = to_vxpocket(_chip); |
42 | unsigned int val = ucontrol->value.integer.value[0]; |
43 | |
44 | if (val > MIC_LEVEL_MAX) |
45 | return -EINVAL; |
46 | mutex_lock(&_chip->mixer_mutex); |
47 | if (chip->mic_level != ucontrol->value.integer.value[0]) { |
48 | vx_set_mic_level(chip: _chip, level: ucontrol->value.integer.value[0]); |
49 | chip->mic_level = ucontrol->value.integer.value[0]; |
50 | mutex_unlock(lock: &_chip->mixer_mutex); |
51 | return 1; |
52 | } |
53 | mutex_unlock(lock: &_chip->mixer_mutex); |
54 | return 0; |
55 | } |
56 | |
57 | static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0); |
58 | |
59 | static const struct snd_kcontrol_new vx_control_mic_level = { |
60 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
61 | .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | |
62 | SNDRV_CTL_ELEM_ACCESS_TLV_READ), |
63 | .name = "Mic Capture Volume" , |
64 | .info = vx_mic_level_info, |
65 | .get = vx_mic_level_get, |
66 | .put = vx_mic_level_put, |
67 | .tlv = { .p = db_scale_mic }, |
68 | }; |
69 | |
70 | /* |
71 | * mic boost level control (for VXP440) |
72 | */ |
73 | #define vx_mic_boost_info snd_ctl_boolean_mono_info |
74 | |
75 | static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
76 | { |
77 | struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
78 | struct snd_vxpocket *chip = to_vxpocket(_chip); |
79 | ucontrol->value.integer.value[0] = chip->mic_level; |
80 | return 0; |
81 | } |
82 | |
83 | static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
84 | { |
85 | struct vx_core *_chip = snd_kcontrol_chip(kcontrol); |
86 | struct snd_vxpocket *chip = to_vxpocket(_chip); |
87 | int val = !!ucontrol->value.integer.value[0]; |
88 | mutex_lock(&_chip->mixer_mutex); |
89 | if (chip->mic_level != val) { |
90 | vx_set_mic_boost(chip: _chip, boost: val); |
91 | chip->mic_level = val; |
92 | mutex_unlock(lock: &_chip->mixer_mutex); |
93 | return 1; |
94 | } |
95 | mutex_unlock(lock: &_chip->mixer_mutex); |
96 | return 0; |
97 | } |
98 | |
99 | static const struct snd_kcontrol_new vx_control_mic_boost = { |
100 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
101 | .name = "Mic Boost" , |
102 | .info = vx_mic_boost_info, |
103 | .get = vx_mic_boost_get, |
104 | .put = vx_mic_boost_put, |
105 | }; |
106 | |
107 | |
108 | int vxp_add_mic_controls(struct vx_core *_chip) |
109 | { |
110 | struct snd_vxpocket *chip = to_vxpocket(_chip); |
111 | int err; |
112 | |
113 | /* mute input levels */ |
114 | chip->mic_level = 0; |
115 | switch (_chip->type) { |
116 | case VX_TYPE_VXPOCKET: |
117 | vx_set_mic_level(chip: _chip, level: 0); |
118 | break; |
119 | case VX_TYPE_VXP440: |
120 | vx_set_mic_boost(chip: _chip, boost: 0); |
121 | break; |
122 | } |
123 | |
124 | /* mic level */ |
125 | switch (_chip->type) { |
126 | case VX_TYPE_VXPOCKET: |
127 | err = snd_ctl_add(card: _chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &vx_control_mic_level, private_data: chip)); |
128 | if (err < 0) |
129 | return err; |
130 | break; |
131 | case VX_TYPE_VXP440: |
132 | err = snd_ctl_add(card: _chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &vx_control_mic_boost, private_data: chip)); |
133 | if (err < 0) |
134 | return err; |
135 | break; |
136 | } |
137 | |
138 | return 0; |
139 | } |
140 | |
141 | |