162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * ALSA driver for ICEnsemble VT1724 (Envy24HT) 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/delay.h> 1162306a36Sopenharmony_ci#include <linux/interrupt.h> 1262306a36Sopenharmony_ci#include <linux/init.h> 1362306a36Sopenharmony_ci#include <sound/core.h> 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include "ice1712.h" 1662306a36Sopenharmony_ci#include "envy24ht.h" 1762306a36Sopenharmony_ci#include "amp.h" 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci unsigned short cval; 2262306a36Sopenharmony_ci cval = (reg << 9) | val; 2362306a36Sopenharmony_ci snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); 2462306a36Sopenharmony_ci} 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cistatic int snd_vt1724_amp_init(struct snd_ice1712 *ice) 2762306a36Sopenharmony_ci{ 2862306a36Sopenharmony_ci static const unsigned short wm_inits[] = { 2962306a36Sopenharmony_ci WM_ATTEN_L, 0x0000, /* 0 db */ 3062306a36Sopenharmony_ci WM_ATTEN_R, 0x0000, /* 0 db */ 3162306a36Sopenharmony_ci WM_DAC_CTRL, 0x0008, /* 24bit I2S */ 3262306a36Sopenharmony_ci WM_INT_CTRL, 0x0001, /* 24bit I2S */ 3362306a36Sopenharmony_ci }; 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci unsigned int i; 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci /* only use basic functionality for now */ 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci /* VT1616 6ch codec connected to PSDOUT0 using packed mode */ 4062306a36Sopenharmony_ci ice->num_total_dacs = 6; 4162306a36Sopenharmony_ci ice->num_total_adcs = 2; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4 4462306a36Sopenharmony_ci (shared with the SPDIF output). Mixer control for this codec 4562306a36Sopenharmony_ci is not yet supported. */ 4662306a36Sopenharmony_ci if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) { 4762306a36Sopenharmony_ci for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2) 4862306a36Sopenharmony_ci wm_put(ice, wm_inits[i], wm_inits[i+1]); 4962306a36Sopenharmony_ci } 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci return 0; 5262306a36Sopenharmony_ci} 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_cistatic int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) 5562306a36Sopenharmony_ci{ 5662306a36Sopenharmony_ci if (ice->ac97) 5762306a36Sopenharmony_ci /* we use pins 39 and 41 of the VT1616 for left and right 5862306a36Sopenharmony_ci read outputs */ 5962306a36Sopenharmony_ci snd_ac97_write_cache(ice->ac97, 0x5a, 6062306a36Sopenharmony_ci snd_ac97_read(ice->ac97, 0x5a) & ~0x8000); 6162306a36Sopenharmony_ci return 0; 6262306a36Sopenharmony_ci} 6362306a36Sopenharmony_ci 6462306a36Sopenharmony_ci 6562306a36Sopenharmony_ci/* entry point */ 6662306a36Sopenharmony_cistruct snd_ice1712_card_info snd_vt1724_amp_cards[] = { 6762306a36Sopenharmony_ci { 6862306a36Sopenharmony_ci .subvendor = VT1724_SUBDEVICE_AV710, 6962306a36Sopenharmony_ci .name = "Chaintech AV-710", 7062306a36Sopenharmony_ci .model = "av710", 7162306a36Sopenharmony_ci .chip_init = snd_vt1724_amp_init, 7262306a36Sopenharmony_ci .build_controls = snd_vt1724_amp_add_controls, 7362306a36Sopenharmony_ci }, 7462306a36Sopenharmony_ci { 7562306a36Sopenharmony_ci .subvendor = VT1724_SUBDEVICE_AUDIO2000, 7662306a36Sopenharmony_ci .name = "AMP Ltd AUDIO2000", 7762306a36Sopenharmony_ci .model = "amp2000", 7862306a36Sopenharmony_ci .chip_init = snd_vt1724_amp_init, 7962306a36Sopenharmony_ci .build_controls = snd_vt1724_amp_add_controls, 8062306a36Sopenharmony_ci }, 8162306a36Sopenharmony_ci { } /* terminator */ 8262306a36Sopenharmony_ci}; 8362306a36Sopenharmony_ci 84