Commit | Line | Data |
---|---|---|
9ab4d072 SS |
1 | /* |
2 | * PC-Speaker driver for Linux | |
3 | * | |
4 | * Mixer implementation. | |
5 | * Copyright (C) 2001-2008 Stas Sergeev | |
6 | */ | |
7 | ||
8 | #include <sound/core.h> | |
9 | #include <sound/control.h> | |
10 | #include "pcsp.h" | |
11 | ||
12 | ||
13 | static int pcsp_enable_info(struct snd_kcontrol *kcontrol, | |
14 | struct snd_ctl_elem_info *uinfo) | |
15 | { | |
16 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
17 | uinfo->count = 1; | |
18 | uinfo->value.integer.min = 0; | |
19 | uinfo->value.integer.max = 1; | |
20 | return 0; | |
21 | } | |
22 | ||
23 | static int pcsp_enable_get(struct snd_kcontrol *kcontrol, | |
24 | struct snd_ctl_elem_value *ucontrol) | |
25 | { | |
26 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
27 | ucontrol->value.integer.value[0] = chip->enable; | |
28 | return 0; | |
29 | } | |
30 | ||
31 | static int pcsp_enable_put(struct snd_kcontrol *kcontrol, | |
32 | struct snd_ctl_elem_value *ucontrol) | |
33 | { | |
34 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
35 | int changed = 0; | |
36 | int enab = ucontrol->value.integer.value[0]; | |
37 | if (enab != chip->enable) { | |
38 | chip->enable = enab; | |
39 | changed = 1; | |
40 | } | |
41 | return changed; | |
42 | } | |
43 | ||
44 | static int pcsp_treble_info(struct snd_kcontrol *kcontrol, | |
45 | struct snd_ctl_elem_info *uinfo) | |
46 | { | |
47 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
48 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
49 | uinfo->count = 1; | |
50 | uinfo->value.enumerated.items = chip->max_treble + 1; | |
51 | if (uinfo->value.enumerated.item > chip->max_treble) | |
52 | uinfo->value.enumerated.item = chip->max_treble; | |
5a641bcd | 53 | sprintf(uinfo->value.enumerated.name, "%lu", |
97e08f5d | 54 | PCSP_CALC_RATE(uinfo->value.enumerated.item)); |
9ab4d072 SS |
55 | return 0; |
56 | } | |
57 | ||
58 | static int pcsp_treble_get(struct snd_kcontrol *kcontrol, | |
59 | struct snd_ctl_elem_value *ucontrol) | |
60 | { | |
61 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
62 | ucontrol->value.enumerated.item[0] = chip->treble; | |
63 | return 0; | |
64 | } | |
65 | ||
66 | static int pcsp_treble_put(struct snd_kcontrol *kcontrol, | |
67 | struct snd_ctl_elem_value *ucontrol) | |
68 | { | |
69 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
70 | int changed = 0; | |
71 | int treble = ucontrol->value.enumerated.item[0]; | |
72 | if (treble != chip->treble) { | |
73 | chip->treble = treble; | |
74 | #if PCSP_DEBUG | |
75 | printk(KERN_INFO "PCSP: rate set to %i\n", PCSP_RATE()); | |
76 | #endif | |
77 | changed = 1; | |
78 | } | |
79 | return changed; | |
80 | } | |
81 | ||
82 | static int pcsp_pcspkr_info(struct snd_kcontrol *kcontrol, | |
83 | struct snd_ctl_elem_info *uinfo) | |
84 | { | |
85 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
86 | uinfo->count = 1; | |
87 | uinfo->value.integer.min = 0; | |
88 | uinfo->value.integer.max = 1; | |
89 | return 0; | |
90 | } | |
91 | ||
92 | static int pcsp_pcspkr_get(struct snd_kcontrol *kcontrol, | |
93 | struct snd_ctl_elem_value *ucontrol) | |
94 | { | |
95 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
96 | ucontrol->value.integer.value[0] = chip->pcspkr; | |
97 | return 0; | |
98 | } | |
99 | ||
100 | static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol, | |
101 | struct snd_ctl_elem_value *ucontrol) | |
102 | { | |
103 | struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol); | |
104 | int changed = 0; | |
105 | int spkr = ucontrol->value.integer.value[0]; | |
106 | if (spkr != chip->pcspkr) { | |
107 | chip->pcspkr = spkr; | |
108 | changed = 1; | |
109 | } | |
110 | return changed; | |
111 | } | |
112 | ||
113 | #define PCSP_MIXER_CONTROL(ctl_type, ctl_name) \ | |
114 | { \ | |
115 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ | |
116 | .name = ctl_name, \ | |
117 | .info = pcsp_##ctl_type##_info, \ | |
118 | .get = pcsp_##ctl_type##_get, \ | |
119 | .put = pcsp_##ctl_type##_put, \ | |
120 | } | |
121 | ||
122 | static struct snd_kcontrol_new __devinitdata snd_pcsp_controls[] = { | |
123 | PCSP_MIXER_CONTROL(enable, "Master Playback Switch"), | |
124 | PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"), | |
125 | PCSP_MIXER_CONTROL(pcspkr, "PC Speaker Playback Switch"), | |
126 | }; | |
127 | ||
128 | int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip) | |
129 | { | |
130 | struct snd_card *card = chip->card; | |
131 | int i, err; | |
132 | ||
133 | for (i = 0; i < ARRAY_SIZE(snd_pcsp_controls); i++) { | |
134 | err = snd_ctl_add(card, | |
135 | snd_ctl_new1(snd_pcsp_controls + i, | |
136 | chip)); | |
137 | if (err < 0) | |
138 | return err; | |
139 | } | |
140 | ||
141 | strcpy(card->mixername, "PC-Speaker"); | |
142 | ||
143 | return 0; | |
144 | } |