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c4cf8c79 CC |
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 | ||
2e2211a3 SZ |
29 | /* |
30 | * WARNING: | |
31 | * | |
32 | * Because Analog Devices Inc. discontinued the ad1980 sound chip since | |
33 | * Sep. 2009, this ad1980 driver is not maintained, tested and supported | |
34 | * by ADI now. | |
35 | */ | |
36 | ||
c4cf8c79 CC |
37 | #include <linux/module.h> |
38 | #include <linux/moduleparam.h> | |
39 | #include <linux/device.h> | |
40 | #include <asm/dma.h> | |
41 | ||
42 | #include <sound/core.h> | |
43 | #include <sound/pcm.h> | |
44 | #include <sound/soc.h> | |
45 | ||
46 | #include <linux/gpio.h> | |
47 | #include <asm/portmux.h> | |
48 | ||
49 | #include "../codecs/ad1980.h" | |
50 | #include "bf5xx-sport.h" | |
51 | #include "bf5xx-ac97-pcm.h" | |
52 | #include "bf5xx-ac97.h" | |
53 | ||
87506549 | 54 | static struct snd_soc_card bf5xx_board; |
c4cf8c79 CC |
55 | |
56 | static int bf5xx_board_startup(struct snd_pcm_substream *substream) | |
57 | { | |
58 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 59 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
c4cf8c79 CC |
60 | |
61 | pr_debug("%s enter\n", __func__); | |
f0fba2ad | 62 | snd_soc_dai_set_drvdata(cpu_dai, sport_handle); |
c4cf8c79 CC |
63 | return 0; |
64 | } | |
65 | ||
66 | static struct snd_soc_ops bf5xx_board_ops = { | |
67 | .startup = bf5xx_board_startup, | |
68 | }; | |
69 | ||
70 | static struct snd_soc_dai_link bf5xx_board_dai = { | |
71 | .name = "AC97", | |
72 | .stream_name = "AC97 HiFi", | |
f0fba2ad LG |
73 | .cpu_dai_name = "bfin-ac97", |
74 | .codec_dai_name = "ad1980-hifi", | |
75 | .platform_name = "bfin-pcm-audio", | |
76 | .codec_name = "ad1980-codec", | |
c4cf8c79 CC |
77 | .ops = &bf5xx_board_ops, |
78 | }; | |
79 | ||
87506549 | 80 | static struct snd_soc_card bf5xx_board = { |
c4cf8c79 CC |
81 | .name = "bf5xx-board", |
82 | .dai_link = &bf5xx_board_dai, | |
83 | .num_links = 1, | |
84 | }; | |
85 | ||
c4cf8c79 CC |
86 | static struct platform_device *bf5xx_board_snd_device; |
87 | ||
88 | static int __init bf5xx_board_init(void) | |
89 | { | |
90 | int ret; | |
91 | ||
92 | bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1); | |
93 | if (!bf5xx_board_snd_device) | |
94 | return -ENOMEM; | |
95 | ||
f0fba2ad | 96 | platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board); |
c4cf8c79 CC |
97 | ret = platform_device_add(bf5xx_board_snd_device); |
98 | ||
99 | if (ret) | |
100 | platform_device_put(bf5xx_board_snd_device); | |
101 | ||
102 | return ret; | |
103 | } | |
104 | ||
105 | static void __exit bf5xx_board_exit(void) | |
106 | { | |
107 | platform_device_unregister(bf5xx_board_snd_device); | |
108 | } | |
109 | ||
110 | module_init(bf5xx_board_init); | |
111 | module_exit(bf5xx_board_exit); | |
112 | ||
113 | /* Module information */ | |
114 | MODULE_AUTHOR("Cliff Cai"); | |
2e2211a3 | 115 | MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)"); |
c4cf8c79 | 116 | MODULE_LICENSE("GPL"); |