diff options
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ad1980.c')
-rw-r--r-- | sound/soc/blackfin/bf5xx-ad1980.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sound/soc/blackfin/bf5xx-ad1980.c b/sound/soc/blackfin/bf5xx-ad1980.c new file mode 100644 index 000000000000..124425d22320 --- /dev/null +++ b/sound/soc/blackfin/bf5xx-ad1980.c | |||
@@ -0,0 +1,113 @@ | |||
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"); | ||