projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * ALSA driver for ICEnsemble VT1724 (Envy24HT) | |
| 3 | * | |
| 4 | * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000 | |
| 5 | * | |
| c1017a4c | 6 | * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> |
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
24 | #include <asm/io.h> |
| 25 | #include <linux/delay.h> | |
| 26 | #include <linux/interrupt.h> | |
| 27 | #include <linux/init.h> | |
| 1da177e4 LT |
28 | #include <sound/core.h> |
| 29 | ||
| 30 | #include "ice1712.h" | |
| 8cfbbac6 | 31 | #include "envy24ht.h" |
| 1da177e4 LT |
32 | #include "amp.h" |
| 33 | ||
| ab0c7d72 | 34 | static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) |
| 8cfbbac6 TI |
35 | { |
| 36 | unsigned short cval; | |
| 37 | cval = (reg << 9) | val; | |
| 38 | snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); | |
| 39 | } | |
| 1da177e4 | 40 | |
| ab0c7d72 | 41 | static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice) |
| 1da177e4 | 42 | { |
| 32b47da0 | 43 | static const unsigned short wm_inits[] = { |
| 8cfbbac6 TI |
44 | WM_ATTEN_L, 0x0000, /* 0 db */ |
| 45 | WM_ATTEN_R, 0x0000, /* 0 db */ | |
| 46 | WM_DAC_CTRL, 0x0008, /* 24bit I2S */ | |
| 47 | WM_INT_CTRL, 0x0001, /* 24bit I2S */ | |
| 48 | }; | |
| 49 | ||
| 50 | unsigned int i; | |
| 51 | ||
| 1da177e4 LT |
52 | /* only use basic functionality for now */ |
| 53 | ||
| 43189a38 RH |
54 | /* VT1616 6ch codec connected to PSDOUT0 using packed mode */ |
| 55 | ice->num_total_dacs = 6; | |
| 1da177e4 LT |
56 | ice->num_total_adcs = 2; |
| 57 | ||
| 43189a38 RH |
58 | /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4 |
| 59 | (shared with the SPDIF output). Mixer control for this codec | |
| 60 | is not yet supported. */ | |
| 8cfbbac6 TI |
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 | ||
| 1da177e4 LT |
66 | return 0; |
| 67 | } | |
| 68 | ||
| ab0c7d72 | 69 | static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) |
| 1da177e4 LT |
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 */ | |
| 1b60f6b0 | 78 | struct snd_ice1712_card_info snd_vt1724_amp_cards[] __devinitdata = { |
| 8cfbbac6 TI |
79 | { |
| 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 | }, | |
| 1da177e4 LT |
86 | { |
| 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 |