amp.c (de3ab850a0e883329594f62ec18fecef4fcfe5ca) amp.c (e23e7a1436207217000c2854214bc908936af3cb)
1/*
2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
3 *
4 * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
5 *
6 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7 *
8 * This program is free software; you can redistribute it and/or modify

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32
33static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
34{
35 unsigned short cval;
36 cval = (reg << 9) | val;
37 snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
38}
39
1/*
2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
3 *
4 * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
5 *
6 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7 *
8 * This program is free software; you can redistribute it and/or modify

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32
33static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
34{
35 unsigned short cval;
36 cval = (reg << 9) | val;
37 snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
38}
39
40static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice)
40static int snd_vt1724_amp_init(struct snd_ice1712 *ice)
41{
42 static const unsigned short wm_inits[] = {
43 WM_ATTEN_L, 0x0000, /* 0 db */
44 WM_ATTEN_R, 0x0000, /* 0 db */
45 WM_DAC_CTRL, 0x0008, /* 24bit I2S */
46 WM_INT_CTRL, 0x0001, /* 24bit I2S */
47 };
48

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60 if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
61 for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
62 wm_put(ice, wm_inits[i], wm_inits[i+1]);
63 }
64
65 return 0;
66}
67
41{
42 static const unsigned short wm_inits[] = {
43 WM_ATTEN_L, 0x0000, /* 0 db */
44 WM_ATTEN_R, 0x0000, /* 0 db */
45 WM_DAC_CTRL, 0x0008, /* 24bit I2S */
46 WM_INT_CTRL, 0x0001, /* 24bit I2S */
47 };
48

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60 if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
61 for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
62 wm_put(ice, wm_inits[i], wm_inits[i+1]);
63 }
64
65 return 0;
66}
67
68static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
68static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
69{
70 if (ice->ac97)
71 /* we use pins 39 and 41 of the VT1616 for left and right
72 read outputs */
73 snd_ac97_write_cache(ice->ac97, 0x5a,
74 snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
75 return 0;
76}
77
78
79/* entry point */
69{
70 if (ice->ac97)
71 /* we use pins 39 and 41 of the VT1616 for left and right
72 read outputs */
73 snd_ac97_write_cache(ice->ac97, 0x5a,
74 snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
75 return 0;
76}
77
78
79/* entry point */
80struct snd_ice1712_card_info snd_vt1724_amp_cards[] __devinitdata = {
80struct snd_ice1712_card_info snd_vt1724_amp_cards[] = {
81 {
82 .subvendor = VT1724_SUBDEVICE_AV710,
83 .name = "Chaintech AV-710",
84 .model = "av710",
85 .chip_init = snd_vt1724_amp_init,
86 .build_controls = snd_vt1724_amp_add_controls,
87 },
88 {
89 .subvendor = VT1724_SUBDEVICE_AUDIO2000,
90 .name = "AMP Ltd AUDIO2000",
91 .model = "amp2000",
92 .chip_init = snd_vt1724_amp_init,
93 .build_controls = snd_vt1724_amp_add_controls,
94 },
95 { } /* terminator */
96};
97
81 {
82 .subvendor = VT1724_SUBDEVICE_AV710,
83 .name = "Chaintech AV-710",
84 .model = "av710",
85 .chip_init = snd_vt1724_amp_init,
86 .build_controls = snd_vt1724_amp_add_controls,
87 },
88 {
89 .subvendor = VT1724_SUBDEVICE_AUDIO2000,
90 .name = "AMP Ltd AUDIO2000",
91 .model = "amp2000",
92 .chip_init = snd_vt1724_amp_init,
93 .build_controls = snd_vt1724_amp_add_controls,
94 },
95 { } /* terminator */
96};
97