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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ALSA driver for ICEnsemble VT1724 (Envy24HT)
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*
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* Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
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*
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* Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
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*/
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <sound/core.h>
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#include "ice1712.h"
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#include "envy24ht.h"
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#include "amp.h"
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static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
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{
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unsigned short cval;
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cval = (reg << 9) | val;
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snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
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}
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static int snd_vt1724_amp_init(struct snd_ice1712 *ice)
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{
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static const unsigned short wm_inits[] = {
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WM_ATTEN_L, 0x0000, /* 0 db */
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WM_ATTEN_R, 0x0000, /* 0 db */
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WM_DAC_CTRL, 0x0008, /* 24bit I2S */
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WM_INT_CTRL, 0x0001, /* 24bit I2S */
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};
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unsigned int i;
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/* only use basic functionality for now */
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/* VT1616 6ch codec connected to PSDOUT0 using packed mode */
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ice->num_total_dacs = 6;
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ice->num_total_adcs = 2;
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/* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4
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(shared with the SPDIF output). Mixer control for this codec
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is not yet supported. */
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if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
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for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
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wm_put(ice, wm_inits[i], wm_inits[i+1]);
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}
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return 0;
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}
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static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
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{
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if (ice->ac97)
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/* we use pins 39 and 41 of the VT1616 for left and right
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read outputs */
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snd_ac97_write_cache(ice->ac97, 0x5a,
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snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
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return 0;
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}
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/* entry point */
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struct snd_ice1712_card_info snd_vt1724_amp_cards[] = {
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{
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.subvendor = VT1724_SUBDEVICE_AV710,
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.name = "Chaintech AV-710",
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.model = "av710",
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.chip_init = snd_vt1724_amp_init,
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.build_controls = snd_vt1724_amp_add_controls,
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},
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{
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.subvendor = VT1724_SUBDEVICE_AUDIO2000,
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.name = "AMP Ltd AUDIO2000",
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.model = "amp2000",
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.chip_init = snd_vt1724_amp_init,
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.build_controls = snd_vt1724_amp_add_controls,
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},
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{ } /* terminator */
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};
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