1*1a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
21da177e4SLinus Torvalds /*
31da177e4SLinus Torvalds * ALSA driver for ICEnsemble VT1724 (Envy24HT)
41da177e4SLinus Torvalds *
51da177e4SLinus Torvalds * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000
61da177e4SLinus Torvalds *
7c1017a4cSJaroslav Kysela * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
81da177e4SLinus Torvalds */
91da177e4SLinus Torvalds
101da177e4SLinus Torvalds #include <linux/delay.h>
111da177e4SLinus Torvalds #include <linux/interrupt.h>
121da177e4SLinus Torvalds #include <linux/init.h>
131da177e4SLinus Torvalds #include <sound/core.h>
141da177e4SLinus Torvalds
151da177e4SLinus Torvalds #include "ice1712.h"
168cfbbac6STakashi Iwai #include "envy24ht.h"
171da177e4SLinus Torvalds #include "amp.h"
181da177e4SLinus Torvalds
wm_put(struct snd_ice1712 * ice,int reg,unsigned short val)19ab0c7d72STakashi Iwai static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
208cfbbac6STakashi Iwai {
218cfbbac6STakashi Iwai unsigned short cval;
228cfbbac6STakashi Iwai cval = (reg << 9) | val;
238cfbbac6STakashi Iwai snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
248cfbbac6STakashi Iwai }
251da177e4SLinus Torvalds
snd_vt1724_amp_init(struct snd_ice1712 * ice)26e23e7a14SBill Pemberton static int snd_vt1724_amp_init(struct snd_ice1712 *ice)
271da177e4SLinus Torvalds {
2832b47da0STakashi Iwai static const unsigned short wm_inits[] = {
298cfbbac6STakashi Iwai WM_ATTEN_L, 0x0000, /* 0 db */
308cfbbac6STakashi Iwai WM_ATTEN_R, 0x0000, /* 0 db */
318cfbbac6STakashi Iwai WM_DAC_CTRL, 0x0008, /* 24bit I2S */
328cfbbac6STakashi Iwai WM_INT_CTRL, 0x0001, /* 24bit I2S */
338cfbbac6STakashi Iwai };
348cfbbac6STakashi Iwai
358cfbbac6STakashi Iwai unsigned int i;
368cfbbac6STakashi Iwai
371da177e4SLinus Torvalds /* only use basic functionality for now */
381da177e4SLinus Torvalds
3943189a38SRobert Hancock /* VT1616 6ch codec connected to PSDOUT0 using packed mode */
4043189a38SRobert Hancock ice->num_total_dacs = 6;
411da177e4SLinus Torvalds ice->num_total_adcs = 2;
421da177e4SLinus Torvalds
4343189a38SRobert Hancock /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4
4443189a38SRobert Hancock (shared with the SPDIF output). Mixer control for this codec
4543189a38SRobert Hancock is not yet supported. */
468cfbbac6STakashi Iwai if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) {
478cfbbac6STakashi Iwai for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
488cfbbac6STakashi Iwai wm_put(ice, wm_inits[i], wm_inits[i+1]);
498cfbbac6STakashi Iwai }
508cfbbac6STakashi Iwai
511da177e4SLinus Torvalds return 0;
521da177e4SLinus Torvalds }
531da177e4SLinus Torvalds
snd_vt1724_amp_add_controls(struct snd_ice1712 * ice)54e23e7a14SBill Pemberton static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
551da177e4SLinus Torvalds {
56e7848163SPavel Hofman if (ice->ac97)
57e7848163SPavel Hofman /* we use pins 39 and 41 of the VT1616 for left and right
58e7848163SPavel Hofman read outputs */
59e7848163SPavel Hofman snd_ac97_write_cache(ice->ac97, 0x5a,
60e7848163SPavel Hofman snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
611da177e4SLinus Torvalds return 0;
621da177e4SLinus Torvalds }
631da177e4SLinus Torvalds
641da177e4SLinus Torvalds
651da177e4SLinus Torvalds /* entry point */
66e23e7a14SBill Pemberton struct snd_ice1712_card_info snd_vt1724_amp_cards[] = {
671da177e4SLinus Torvalds {
688cfbbac6STakashi Iwai .subvendor = VT1724_SUBDEVICE_AV710,
698cfbbac6STakashi Iwai .name = "Chaintech AV-710",
708cfbbac6STakashi Iwai .model = "av710",
718cfbbac6STakashi Iwai .chip_init = snd_vt1724_amp_init,
728cfbbac6STakashi Iwai .build_controls = snd_vt1724_amp_add_controls,
738cfbbac6STakashi Iwai },
748cfbbac6STakashi Iwai {
751da177e4SLinus Torvalds .subvendor = VT1724_SUBDEVICE_AUDIO2000,
761da177e4SLinus Torvalds .name = "AMP Ltd AUDIO2000",
771da177e4SLinus Torvalds .model = "amp2000",
781da177e4SLinus Torvalds .chip_init = snd_vt1724_amp_init,
791da177e4SLinus Torvalds .build_controls = snd_vt1724_amp_add_controls,
801da177e4SLinus Torvalds },
811da177e4SLinus Torvalds { } /* terminator */
821da177e4SLinus Torvalds };
831da177e4SLinus Torvalds
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