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Linux/sound/soc/au1x/db1200.c

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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  * DB1200/DB1300/DB1550 ASoC audio fabric support code.
  4  *
  5  * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
  6  *
  7  */
  8 
  9 #include <linux/module.h>
 10 #include <linux/moduleparam.h>
 11 #include <linux/timer.h>
 12 #include <linux/interrupt.h>
 13 #include <linux/platform_device.h>
 14 #include <sound/core.h>
 15 #include <sound/pcm.h>
 16 #include <sound/soc.h>
 17 #include <asm/mach-au1x00/au1000.h>
 18 #include <asm/mach-au1x00/au1xxx_psc.h>
 19 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 20 #include <asm/mach-db1x00/bcsr.h>
 21 
 22 #include "../codecs/wm8731.h"
 23 #include "psc.h"
 24 
 25 static const struct platform_device_id db1200_pids[] = {
 26         {
 27                 .name           = "db1200-ac97",
 28                 .driver_data    = 0,
 29         }, {
 30                 .name           = "db1200-i2s",
 31                 .driver_data    = 1,
 32         }, {
 33                 .name           = "db1300-ac97",
 34                 .driver_data    = 2,
 35         }, {
 36                 .name           = "db1300-i2s",
 37                 .driver_data    = 3,
 38         }, {
 39                 .name           = "db1550-ac97",
 40                 .driver_data    = 4,
 41         }, {
 42                 .name           = "db1550-i2s",
 43                 .driver_data    = 5,
 44         },
 45         {},
 46 };
 47 
 48 /*-------------------------  AC97 PART  ---------------------------*/
 49 
 50 SND_SOC_DAILINK_DEFS(db1200_ac97,
 51         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
 52         DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
 53         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
 54 
 55 static struct snd_soc_dai_link db1200_ac97_dai = {
 56         .name           = "AC97",
 57         .stream_name    = "AC97 HiFi",
 58         SND_SOC_DAILINK_REG(db1200_ac97),
 59 };
 60 
 61 static struct snd_soc_card db1200_ac97_machine = {
 62         .name           = "DB1200_AC97",
 63         .owner          = THIS_MODULE,
 64         .dai_link       = &db1200_ac97_dai,
 65         .num_links      = 1,
 66 };
 67 
 68 SND_SOC_DAILINK_DEFS(db1300_ac97,
 69         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
 70         DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
 71         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
 72 
 73 static struct snd_soc_dai_link db1300_ac97_dai = {
 74         .name           = "AC97",
 75         .stream_name    = "AC97 HiFi",
 76         SND_SOC_DAILINK_REG(db1300_ac97),
 77 };
 78 
 79 static struct snd_soc_card db1300_ac97_machine = {
 80         .name           = "DB1300_AC97",
 81         .owner          = THIS_MODULE,
 82         .dai_link       = &db1300_ac97_dai,
 83         .num_links      = 1,
 84 };
 85 
 86 static struct snd_soc_card db1550_ac97_machine = {
 87         .name           = "DB1550_AC97",
 88         .owner          = THIS_MODULE,
 89         .dai_link       = &db1200_ac97_dai,
 90         .num_links      = 1,
 91 };
 92 
 93 /*-------------------------  I2S PART  ---------------------------*/
 94 
 95 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
 96 {
 97         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 98         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 99 
100         /* WM8731 has its own 12MHz crystal */
101         snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
102                                 12000000, SND_SOC_CLOCK_IN);
103 
104         return 0;
105 }
106 
107 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
108         .startup        = db1200_i2s_startup,
109 };
110 
111 SND_SOC_DAILINK_DEFS(db1200_i2s,
112         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
113         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
114         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
115 
116 static struct snd_soc_dai_link db1200_i2s_dai = {
117         .name           = "WM8731",
118         .stream_name    = "WM8731 PCM",
119         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
120                           SND_SOC_DAIFMT_CBM_CFM,
121         .ops            = &db1200_i2s_wm8731_ops,
122         SND_SOC_DAILINK_REG(db1200_i2s),
123 };
124 
125 static struct snd_soc_card db1200_i2s_machine = {
126         .name           = "DB1200_I2S",
127         .owner          = THIS_MODULE,
128         .dai_link       = &db1200_i2s_dai,
129         .num_links      = 1,
130 };
131 
132 SND_SOC_DAILINK_DEFS(db1300_i2s,
133         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
134         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
135         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
136 
137 static struct snd_soc_dai_link db1300_i2s_dai = {
138         .name           = "WM8731",
139         .stream_name    = "WM8731 PCM",
140         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
141                           SND_SOC_DAIFMT_CBM_CFM,
142         .ops            = &db1200_i2s_wm8731_ops,
143         SND_SOC_DAILINK_REG(db1300_i2s),
144 };
145 
146 static struct snd_soc_card db1300_i2s_machine = {
147         .name           = "DB1300_I2S",
148         .owner          = THIS_MODULE,
149         .dai_link       = &db1300_i2s_dai,
150         .num_links      = 1,
151 };
152 
153 SND_SOC_DAILINK_DEFS(db1550_i2s,
154         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
155         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
156         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
157 
158 static struct snd_soc_dai_link db1550_i2s_dai = {
159         .name           = "WM8731",
160         .stream_name    = "WM8731 PCM",
161         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
162                           SND_SOC_DAIFMT_CBM_CFM,
163         .ops            = &db1200_i2s_wm8731_ops,
164         SND_SOC_DAILINK_REG(db1550_i2s),
165 };
166 
167 static struct snd_soc_card db1550_i2s_machine = {
168         .name           = "DB1550_I2S",
169         .owner          = THIS_MODULE,
170         .dai_link       = &db1550_i2s_dai,
171         .num_links      = 1,
172 };
173 
174 /*-------------------------  COMMON PART  ---------------------------*/
175 
176 static struct snd_soc_card *db1200_cards[] = {
177         &db1200_ac97_machine,
178         &db1200_i2s_machine,
179         &db1300_ac97_machine,
180         &db1300_i2s_machine,
181         &db1550_ac97_machine,
182         &db1550_i2s_machine,
183 };
184 
185 static int db1200_audio_probe(struct platform_device *pdev)
186 {
187         const struct platform_device_id *pid = platform_get_device_id(pdev);
188         struct snd_soc_card *card;
189 
190         card = db1200_cards[pid->driver_data];
191         card->dev = &pdev->dev;
192         return devm_snd_soc_register_card(&pdev->dev, card);
193 }
194 
195 static struct platform_driver db1200_audio_driver = {
196         .driver = {
197                 .name   = "db1200-ac97",
198                 .pm     = &snd_soc_pm_ops,
199         },
200         .id_table       = db1200_pids,
201         .probe          = db1200_audio_probe,
202 };
203 
204 module_platform_driver(db1200_audio_driver);
205 
206 MODULE_LICENSE("GPL");
207 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
208 MODULE_AUTHOR("Manuel Lauss");
209 

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