Cliff Cai | c4cf8c7 | 2008-09-05 18:21:40 +0800 | [diff] [blame] | 1 | /* |
| 2 | * File: sound/soc/blackfin/bf5xx-ad1980.c |
| 3 | * Author: Cliff Cai <Cliff.Cai@analog.com> |
| 4 | * |
| 5 | * Created: Tue June 06 2008 |
| 6 | * Description: Board driver for AD1980/1 audio codec |
| 7 | * |
| 8 | * Modified: |
| 9 | * Copyright 2008 Analog Devices Inc. |
| 10 | * |
| 11 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, see the file COPYING, or write |
| 25 | * to the Free Software Foundation, Inc., |
| 26 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 27 | */ |
| 28 | |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/moduleparam.h> |
| 31 | #include <linux/device.h> |
| 32 | #include <asm/dma.h> |
| 33 | |
| 34 | #include <sound/core.h> |
| 35 | #include <sound/pcm.h> |
| 36 | #include <sound/soc.h> |
| 37 | |
| 38 | #include <linux/gpio.h> |
| 39 | #include <asm/portmux.h> |
| 40 | |
| 41 | #include "../codecs/ad1980.h" |
| 42 | #include "bf5xx-sport.h" |
| 43 | #include "bf5xx-ac97-pcm.h" |
| 44 | #include "bf5xx-ac97.h" |
| 45 | |
| 46 | static struct snd_soc_machine bf5xx_board; |
| 47 | |
| 48 | static int bf5xx_board_startup(struct snd_pcm_substream *substream) |
| 49 | { |
| 50 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 51 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
| 52 | |
| 53 | pr_debug("%s enter\n", __func__); |
| 54 | cpu_dai->private_data = sport_handle; |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | static struct snd_soc_ops bf5xx_board_ops = { |
| 59 | .startup = bf5xx_board_startup, |
| 60 | }; |
| 61 | |
| 62 | static struct snd_soc_dai_link bf5xx_board_dai = { |
| 63 | .name = "AC97", |
| 64 | .stream_name = "AC97 HiFi", |
| 65 | .cpu_dai = &bfin_ac97_dai, |
| 66 | .codec_dai = &ad1980_dai, |
| 67 | .ops = &bf5xx_board_ops, |
| 68 | }; |
| 69 | |
| 70 | static struct snd_soc_machine bf5xx_board = { |
| 71 | .name = "bf5xx-board", |
| 72 | .dai_link = &bf5xx_board_dai, |
| 73 | .num_links = 1, |
| 74 | }; |
| 75 | |
| 76 | static struct snd_soc_device bf5xx_board_snd_devdata = { |
| 77 | .machine = &bf5xx_board, |
| 78 | .platform = &bf5xx_ac97_soc_platform, |
| 79 | .codec_dev = &soc_codec_dev_ad1980, |
| 80 | }; |
| 81 | |
| 82 | static struct platform_device *bf5xx_board_snd_device; |
| 83 | |
| 84 | static int __init bf5xx_board_init(void) |
| 85 | { |
| 86 | int ret; |
| 87 | |
| 88 | bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1); |
| 89 | if (!bf5xx_board_snd_device) |
| 90 | return -ENOMEM; |
| 91 | |
| 92 | platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata); |
| 93 | bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev; |
| 94 | ret = platform_device_add(bf5xx_board_snd_device); |
| 95 | |
| 96 | if (ret) |
| 97 | platform_device_put(bf5xx_board_snd_device); |
| 98 | |
| 99 | return ret; |
| 100 | } |
| 101 | |
| 102 | static void __exit bf5xx_board_exit(void) |
| 103 | { |
| 104 | platform_device_unregister(bf5xx_board_snd_device); |
| 105 | } |
| 106 | |
| 107 | module_init(bf5xx_board_init); |
| 108 | module_exit(bf5xx_board_exit); |
| 109 | |
| 110 | /* Module information */ |
| 111 | MODULE_AUTHOR("Cliff Cai"); |
| 112 | MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board"); |
| 113 | MODULE_LICENSE("GPL"); |