1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * ALSA driver for ICEnsemble VT1724 (Envy24HT)
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/delay.h>
11*4882a593Smuzhiyun #include <linux/interrupt.h>
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <sound/core.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include "ice1712.h"
16*4882a593Smuzhiyun #include "envy24ht.h"
17*4882a593Smuzhiyun #include "amp.h"
18*4882a593Smuzhiyun
wm_put(struct snd_ice1712 * ice,int reg,unsigned short val)19*4882a593Smuzhiyun static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun unsigned short cval;
22*4882a593Smuzhiyun cval = (reg << 9) | val;
23*4882a593Smuzhiyun snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
snd_vt1724_amp_init(struct snd_ice1712 * ice)26*4882a593Smuzhiyun static int snd_vt1724_amp_init(struct snd_ice1712 *ice)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun static const unsigned short wm_inits[] = {
29*4882a593Smuzhiyun WM_ATTEN_L, 0x0000, /* 0 db */
30*4882a593Smuzhiyun WM_ATTEN_R, 0x0000, /* 0 db */
31*4882a593Smuzhiyun WM_DAC_CTRL, 0x0008, /* 24bit I2S */
32*4882a593Smuzhiyun WM_INT_CTRL, 0x0001, /* 24bit I2S */
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun unsigned int i;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun /* only use basic functionality for now */
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun /* VT1616 6ch codec connected to PSDOUT0 using packed mode */
40*4882a593Smuzhiyun ice->num_total_dacs = 6;
41*4882a593Smuzhiyun ice->num_total_adcs = 2;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4
44*4882a593Smuzhiyun (shared with the SPDIF output). Mixer control for this codec
45*4882a593Smuzhiyun is not yet supported. */
46*4882a593Smuzhiyun if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
47*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
48*4882a593Smuzhiyun wm_put(ice, wm_inits[i], wm_inits[i+1]);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun return 0;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
snd_vt1724_amp_add_controls(struct snd_ice1712 * ice)54*4882a593Smuzhiyun static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun if (ice->ac97)
57*4882a593Smuzhiyun /* we use pins 39 and 41 of the VT1616 for left and right
58*4882a593Smuzhiyun read outputs */
59*4882a593Smuzhiyun snd_ac97_write_cache(ice->ac97, 0x5a,
60*4882a593Smuzhiyun snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
61*4882a593Smuzhiyun return 0;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun /* entry point */
66*4882a593Smuzhiyun struct snd_ice1712_card_info snd_vt1724_amp_cards[] = {
67*4882a593Smuzhiyun {
68*4882a593Smuzhiyun .subvendor = VT1724_SUBDEVICE_AV710,
69*4882a593Smuzhiyun .name = "Chaintech AV-710",
70*4882a593Smuzhiyun .model = "av710",
71*4882a593Smuzhiyun .chip_init = snd_vt1724_amp_init,
72*4882a593Smuzhiyun .build_controls = snd_vt1724_amp_add_controls,
73*4882a593Smuzhiyun },
74*4882a593Smuzhiyun {
75*4882a593Smuzhiyun .subvendor = VT1724_SUBDEVICE_AUDIO2000,
76*4882a593Smuzhiyun .name = "AMP Ltd AUDIO2000",
77*4882a593Smuzhiyun .model = "amp2000",
78*4882a593Smuzhiyun .chip_init = snd_vt1724_amp_init,
79*4882a593Smuzhiyun .build_controls = snd_vt1724_amp_add_controls,
80*4882a593Smuzhiyun },
81*4882a593Smuzhiyun { } /* terminator */
82*4882a593Smuzhiyun };
83*4882a593Smuzhiyun
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