Commit | Line | Data |
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5033f43c | 1 | /* sound/soc/samsung/jive_wm8750.c |
3093e48c BD |
2 | * |
3 | * Copyright 2007,2008 Simtec Electronics | |
4 | * | |
5 | * Based on sound/soc/pxa/spitz.c | |
6 | * Copyright 2005 Wolfson Microelectronics PLC. | |
7 | * Copyright 2005 Openedhand Ltd. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
da155d5b | 14 | #include <linux/module.h> |
3093e48c | 15 | #include <sound/soc.h> |
3093e48c BD |
16 | |
17 | #include <asm/mach-types.h> | |
18 | ||
3093e48c | 19 | #include "s3c2412-i2s.h" |
3093e48c BD |
20 | #include "../codecs/wm8750.h" |
21 | ||
22 | static const struct snd_soc_dapm_route audio_map[] = { | |
23 | { "Headphone Jack", NULL, "LOUT1" }, | |
24 | { "Headphone Jack", NULL, "ROUT1" }, | |
25 | { "Internal Speaker", NULL, "LOUT2" }, | |
26 | { "Internal Speaker", NULL, "ROUT2" }, | |
27 | { "LINPUT1", NULL, "Line Input" }, | |
28 | { "RINPUT1", NULL, "Line Input" }, | |
29 | }; | |
30 | ||
31 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { | |
32 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
33 | SND_SOC_DAPM_SPK("Internal Speaker", NULL), | |
34 | SND_SOC_DAPM_LINE("Line In", NULL), | |
35 | }; | |
36 | ||
3093e48c BD |
37 | static int jive_hw_params(struct snd_pcm_substream *substream, |
38 | struct snd_pcm_hw_params *params) | |
39 | { | |
40 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
41 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
42 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
dc85447b | 43 | struct s3c_i2sv2_rate_calc div; |
3093e48c BD |
44 | unsigned int clk = 0; |
45 | int ret = 0; | |
46 | ||
47 | switch (params_rate(params)) { | |
48 | case 8000: | |
49 | case 16000: | |
50 | case 48000: | |
51 | case 96000: | |
52 | clk = 12288000; | |
53 | break; | |
54 | case 11025: | |
55 | case 22050: | |
56 | case 44100: | |
57 | clk = 11289600; | |
58 | break; | |
59 | } | |
60 | ||
01c4cad4 | 61 | s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params), |
57282427 | 62 | s3c_i2sv2_get_clock(cpu_dai)); |
3093e48c | 63 | |
3093e48c BD |
64 | /* set the codec system clock for DAC and ADC */ |
65 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, | |
66 | SND_SOC_CLOCK_IN); | |
67 | if (ret < 0) | |
68 | return ret; | |
69 | ||
70 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_RCLK, div.fs_div); | |
71 | if (ret < 0) | |
72 | return ret; | |
73 | ||
74 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_PRESCALER, | |
75 | div.clk_div - 1); | |
76 | if (ret < 0) | |
77 | return ret; | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | static struct snd_soc_ops jive_ops = { | |
3093e48c BD |
83 | .hw_params = jive_hw_params, |
84 | }; | |
85 | ||
3093e48c BD |
86 | static struct snd_soc_dai_link jive_dai = { |
87 | .name = "wm8750", | |
88 | .stream_name = "WM8750", | |
f0fba2ad LG |
89 | .cpu_dai_name = "s3c2412-i2s", |
90 | .codec_dai_name = "wm8750-hifi", | |
a08485d8 | 91 | .platform_name = "s3c2412-i2s", |
dc5de62b | 92 | .codec_name = "wm8750.0-001a", |
72303caf LPC |
93 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
94 | SND_SOC_DAIFMT_CBS_CFS, | |
3093e48c BD |
95 | .ops = &jive_ops, |
96 | }; | |
97 | ||
98 | /* jive audio machine driver */ | |
01c4cad4 | 99 | static struct snd_soc_card snd_soc_machine_jive = { |
3093e48c | 100 | .name = "Jive", |
095d79dc | 101 | .owner = THIS_MODULE, |
3093e48c BD |
102 | .dai_link = &jive_dai, |
103 | .num_links = 1, | |
03b5362d | 104 | |
68264d2a | 105 | .dapm_widgets = wm8750_dapm_widgets, |
03b5362d MB |
106 | .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), |
107 | .dapm_routes = audio_map, | |
108 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
3a41e0f7 | 109 | .fully_routed = true, |
3093e48c BD |
110 | }; |
111 | ||
3093e48c BD |
112 | static struct platform_device *jive_snd_device; |
113 | ||
114 | static int __init jive_init(void) | |
115 | { | |
116 | int ret; | |
117 | ||
118 | if (!machine_is_jive()) | |
119 | return 0; | |
120 | ||
121 | printk("JIVE WM8750 Audio support\n"); | |
122 | ||
123 | jive_snd_device = platform_device_alloc("soc-audio", -1); | |
124 | if (!jive_snd_device) | |
125 | return -ENOMEM; | |
126 | ||
f0fba2ad | 127 | platform_set_drvdata(jive_snd_device, &snd_soc_machine_jive); |
3093e48c BD |
128 | ret = platform_device_add(jive_snd_device); |
129 | ||
130 | if (ret) | |
131 | platform_device_put(jive_snd_device); | |
132 | ||
133 | return ret; | |
134 | } | |
135 | ||
136 | static void __exit jive_exit(void) | |
137 | { | |
138 | platform_device_unregister(jive_snd_device); | |
139 | } | |
140 | ||
141 | module_init(jive_init); | |
142 | module_exit(jive_exit); | |
143 | ||
144 | MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); | |
145 | MODULE_DESCRIPTION("ALSA SoC Jive Audio support"); | |
146 | MODULE_LICENSE("GPL"); |