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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 <linux/delay.h>
25#include <linux/interrupt.h>
26#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <sound/core.h>
28
29#include "ice1712.h"
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020030#include "envy24ht.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include "amp.h"
32
Takashi Iwaiab0c7d72005-11-17 15:00:18 +010033static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020034{
35 unsigned short cval;
36 cval = (reg << 9) | val;
37 snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
38}
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Bill Pembertone23e7a12012-12-06 12:35:10 -050040static int snd_vt1724_amp_init(struct snd_ice1712 *ice)
Linus Torvalds1da177e2005-04-16 15:20:36 -070041{
Takashi Iwai32b47da2007-01-29 15:26:36 +010042 static const unsigned short wm_inits[] = {
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020043 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
49 unsigned int i;
50
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 /* only use basic functionality for now */
52
Robert Hancock43189a32009-10-09 22:08:58 -060053 /* VT1616 6ch codec connected to PSDOUT0 using packed mode */
54 ice->num_total_dacs = 6;
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 ice->num_total_adcs = 2;
56
Robert Hancock43189a32009-10-09 22:08:58 -060057 /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4
58 (shared with the SPDIF output). Mixer control for this codec
59 is not yet supported. */
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020060 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 return 0;
66}
67
Bill Pembertone23e7a12012-12-06 12:35:10 -050068static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
Linus Torvalds1da177e2005-04-16 15:20:36 -070069{
Pavel Hofmane7848162012-01-05 23:05:18 +010070 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);
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 return 0;
76}
77
78
79/* entry point */
Bill Pembertone23e7a12012-12-06 12:35:10 -050080struct snd_ice1712_card_info snd_vt1724_amp_cards[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 {
Takashi Iwai8cfbbac2005-05-27 12:10:40 +020082 .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 {
Linus Torvalds1da177e2005-04-16 15:20:36 -070089 .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