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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
3 *
4 * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
5 *
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02006 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include <asm/io.h>
25#include <linux/delay.h>
26#include <linux/interrupt.h>
27#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <sound/core.h>
29
30#include "ice1712.h"
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020031#include "envy24ht.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include "amp.h"
33
Takashi Iwaiab0c7d72005-11-17 15:00:18 +010034static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020035{
36 unsigned short cval;
37 cval = (reg << 9) | val;
38 snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
39}
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Takashi Iwaiab0c7d72005-11-17 15:00:18 +010041static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice)
Linus Torvalds1da177e2005-04-16 15:20:36 -070042{
Takashi Iwai32b47da2007-01-29 15:26:36 +010043 static const unsigned short wm_inits[] = {
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020044 WM_ATTEN_L, 0x0000, /* 0 db */
45 WM_ATTEN_R, 0x0000, /* 0 db */
46 WM_DAC_CTRL, 0x0008, /* 24bit I2S */
47 WM_INT_CTRL, 0x0001, /* 24bit I2S */
48 };
49
50 unsigned int i;
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 /* only use basic functionality for now */
53
Robert Hancock43189a32009-10-09 22:08:58 -060054 /* VT1616 6ch codec connected to PSDOUT0 using packed mode */
55 ice->num_total_dacs = 6;
Linus Torvalds1da177e2005-04-16 15:20:36 -070056 ice->num_total_adcs = 2;
57
Robert Hancock43189a32009-10-09 22:08:58 -060058 /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4
59 (shared with the SPDIF output). Mixer control for this codec
60 is not yet supported. */
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020061 if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
62 for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
63 wm_put(ice, wm_inits[i], wm_inits[i+1]);
64 }
65
Linus Torvalds1da177e2005-04-16 15:20:36 -070066 return 0;
67}
68
Takashi Iwaiab0c7d72005-11-17 15:00:18 +010069static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070{
71 /* we use pins 39 and 41 of the VT1616 for left and right read outputs */
72 snd_ac97_write_cache(ice->ac97, 0x5a, snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
73 return 0;
74}
75
76
77/* entry point */
Takashi Iwai1b60f6b2007-03-13 22:13:47 +010078struct snd_ice1712_card_info snd_vt1724_amp_cards[] __devinitdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 {
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020080 .subvendor = VT1724_SUBDEVICE_AV710,
81 .name = "Chaintech AV-710",
82 .model = "av710",
83 .chip_init = snd_vt1724_amp_init,
84 .build_controls = snd_vt1724_amp_add_controls,
85 },
86 {
Linus Torvalds1da177e2005-04-16 15:20:36 -070087 .subvendor = VT1724_SUBDEVICE_AUDIO2000,
88 .name = "AMP Ltd AUDIO2000",
89 .model = "amp2000",
90 .chip_init = snd_vt1724_amp_init,
91 .build_controls = snd_vt1724_amp_add_controls,
92 },
93 { } /* terminator */
94};
95