| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * ALSA driver for ICEnsemble VT1724 (Envy24HT) |
| 3 | * |
| 4 | * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000 |
| 5 | * |
| 6 | * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> |
| 7 | * |
| 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 | |
| 24 | #include <linux/delay.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <sound/core.h> |
| 28 | |
| 29 | #include "ice1712.h" |
| 30 | #include "envy24ht.h" |
| 31 | #include "amp.h" |
| 32 | |
| 33 | static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) |
| 34 | { |
| 35 | unsigned short cval; |
| 36 | cval = (reg << 9) | val; |
| 37 | snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); |
| 38 | } |
| 39 | |
| 40 | static int snd_vt1724_amp_init(struct snd_ice1712 *ice) |
| 41 | { |
| 42 | static const unsigned short wm_inits[] = { |
| 43 | 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 | |
| 51 | /* only use basic functionality for now */ |
| 52 | |
| 53 | /* VT1616 6ch codec connected to PSDOUT0 using packed mode */ |
| 54 | ice->num_total_dacs = 6; |
| 55 | ice->num_total_adcs = 2; |
| 56 | |
| 57 | /* 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. */ |
| 60 | 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 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) |
| 69 | { |
| 70 | 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); |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | /* entry point */ |
| 80 | struct snd_ice1712_card_info snd_vt1724_amp_cards[] = { |
| 81 | { |
| 82 | .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 | { |
| 89 | .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 | |