Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [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@suse.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 <sound/driver.h> |
| 25 | #include <asm/io.h> |
| 26 | #include <linux/delay.h> |
| 27 | #include <linux/interrupt.h> |
| 28 | #include <linux/init.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <sound/core.h> |
| 31 | |
| 32 | #include "ice1712.h" |
Takashi Iwai | 8cfbbac | 2005-05-27 12:10:40 +0200 | [diff] [blame] | 33 | #include "envy24ht.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "amp.h" |
| 35 | |
Takashi Iwai | ab0c7d7 | 2005-11-17 15:00:18 +0100 | [diff] [blame^] | 36 | static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) |
Takashi Iwai | 8cfbbac | 2005-05-27 12:10:40 +0200 | [diff] [blame] | 37 | { |
| 38 | unsigned short cval; |
| 39 | cval = (reg << 9) | val; |
| 40 | snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); |
| 41 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
Takashi Iwai | ab0c7d7 | 2005-11-17 15:00:18 +0100 | [diff] [blame^] | 43 | static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | { |
Takashi Iwai | 8cfbbac | 2005-05-27 12:10:40 +0200 | [diff] [blame] | 45 | static unsigned short wm_inits[] = { |
| 46 | WM_ATTEN_L, 0x0000, /* 0 db */ |
| 47 | WM_ATTEN_R, 0x0000, /* 0 db */ |
| 48 | WM_DAC_CTRL, 0x0008, /* 24bit I2S */ |
| 49 | WM_INT_CTRL, 0x0001, /* 24bit I2S */ |
| 50 | }; |
| 51 | |
| 52 | unsigned int i; |
| 53 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | /* only use basic functionality for now */ |
| 55 | |
| 56 | ice->num_total_dacs = 2; /* only PSDOUT0 is connected */ |
| 57 | ice->num_total_adcs = 2; |
| 58 | |
Takashi Iwai | 8cfbbac | 2005-05-27 12:10:40 +0200 | [diff] [blame] | 59 | /* Chaintech AV-710 has another codecs, which need initialization */ |
| 60 | /* initialize WM8728 codec */ |
| 61 | if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) { |
| 62 | for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2) |
| 63 | wm_put(ice, wm_inits[i], wm_inits[i+1]); |
| 64 | } |
| 65 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | return 0; |
| 67 | } |
| 68 | |
Takashi Iwai | ab0c7d7 | 2005-11-17 15:00:18 +0100 | [diff] [blame^] | 69 | static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | { |
| 71 | /* we use pins 39 and 41 of the VT1616 for left and right read outputs */ |
| 72 | snd_ac97_write_cache(ice->ac97, 0x5a, snd_ac97_read(ice->ac97, 0x5a) & ~0x8000); |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | |
| 77 | /* entry point */ |
| 78 | struct snd_ice1712_card_info snd_vt1724_amp_cards[] __devinitdata = { |
| 79 | { |
Takashi Iwai | 8cfbbac | 2005-05-27 12:10:40 +0200 | [diff] [blame] | 80 | .subvendor = VT1724_SUBDEVICE_AV710, |
| 81 | .name = "Chaintech AV-710", |
| 82 | .model = "av710", |
| 83 | .chip_init = snd_vt1724_amp_init, |
| 84 | .build_controls = snd_vt1724_amp_add_controls, |
| 85 | }, |
| 86 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | .subvendor = VT1724_SUBDEVICE_AUDIO2000, |
| 88 | .name = "AMP Ltd AUDIO2000", |
| 89 | .model = "amp2000", |
| 90 | .chip_init = snd_vt1724_amp_init, |
| 91 | .build_controls = snd_vt1724_amp_add_controls, |
| 92 | }, |
| 93 | { } /* terminator */ |
| 94 | }; |
| 95 | |