diff options
Diffstat (limited to 'sound/soc/sh/fsi-ak4642.c')
| -rw-r--r-- | sound/soc/sh/fsi-ak4642.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c new file mode 100644 index 00000000..770a71a1 --- /dev/null +++ b/sound/soc/sh/fsi-ak4642.c @@ -0,0 +1,209 @@ +/* + * FSI-AK464x sound support for ms7724se + * + * Copyright (C) 2009 Renesas Solutions Corp. + * Kuninori Morimoto <morimoto.kuninori@renesas.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/platform_device.h> +#include <sound/sh_fsi.h> + +struct fsi_ak4642_data { + const char *name; + const char *card; + const char *cpu_dai; + const char *codec; + const char *platform; + int id; +}; + +static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *codec = rtd->codec_dai; + struct snd_soc_dai *cpu = rtd->cpu_dai; + int ret; + + ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J | + SND_SOC_DAIFMT_CBS_CFS); + + return ret; +} + +static struct snd_soc_dai_link fsi_dai_link = { + .codec_dai_name = "ak4642-hifi", + .init = fsi_ak4642_dai_init, +}; + +static struct snd_soc_card fsi_soc_card = { + .dai_link = &fsi_dai_link, + .num_links = 1, +}; + +static struct platform_device *fsi_snd_device; + +static int fsi_ak4642_probe(struct platform_device *pdev) +{ + int ret = -ENOMEM; + const struct platform_device_id *id_entry; + struct fsi_ak4642_data *pdata; + + id_entry = pdev->id_entry; + if (!id_entry) { + dev_err(&pdev->dev, "unknown fsi ak4642\n"); + return -ENODEV; + } + + pdata = (struct fsi_ak4642_data *)id_entry->driver_data; + + fsi_snd_device = platform_device_alloc("soc-audio", pdata->id); + if (!fsi_snd_device) + goto out; + + fsi_dai_link.name = pdata->name; + fsi_dai_link.stream_name = pdata->name; + fsi_dai_link.cpu_dai_name = pdata->cpu_dai; + fsi_dai_link.platform_name = pdata->platform; + fsi_dai_link.codec_name = pdata->codec; + fsi_soc_card.name = pdata->card; + + platform_set_drvdata(fsi_snd_device, &fsi_soc_card); + ret = platform_device_add(fsi_snd_device); + + if (ret) + platform_device_put(fsi_snd_device); + +out: + return ret; +} + +static int fsi_ak4642_remove(struct platform_device *pdev) +{ + platform_device_unregister(fsi_snd_device); + return 0; +} + +static struct fsi_ak4642_data fsi_a_ak4642 = { + .name = "AK4642", + .card = "FSIA-AK4642", + .cpu_dai = "fsia-dai", + .codec = "ak4642-codec.0-0012", + .platform = "sh_fsi.0", + .id = FSI_PORT_A, +}; + +static struct fsi_ak4642_data fsi_b_ak4642 = { + .name = "AK4642", + .card = "FSIB-AK4642", + .cpu_dai = "fsib-dai", + .codec = "ak4642-codec.0-0012", + .platform = "sh_fsi.0", + .id = FSI_PORT_B, +}; + +static struct fsi_ak4642_data fsi_a_ak4643 = { + .name = "AK4643", + .card = "FSIA-AK4643", + .cpu_dai = "fsia-dai", + .codec = "ak4642-codec.0-0013", + .platform = "sh_fsi.0", + .id = FSI_PORT_A, +}; + +static struct fsi_ak4642_data fsi_b_ak4643 = { + .name = "AK4643", + .card = "FSIB-AK4643", + .cpu_dai = "fsib-dai", + .codec = "ak4642-codec.0-0013", + .platform = "sh_fsi.0", + .id = FSI_PORT_B, +}; + +static struct fsi_ak4642_data fsi2_a_ak4642 = { + .name = "AK4642", + .card = "FSI2A-AK4642", + .cpu_dai = "fsia-dai", + .codec = "ak4642-codec.0-0012", + .platform = "sh_fsi2", + .id = FSI_PORT_A, +}; + +static struct fsi_ak4642_data fsi2_b_ak4642 = { + .name = "AK4642", + .card = "FSI2B-AK4642", + .cpu_dai = "fsib-dai", + .codec = "ak4642-codec.0-0012", + .platform = "sh_fsi2", + .id = FSI_PORT_B, +}; + +static struct fsi_ak4642_data fsi2_a_ak4643 = { + .name = "AK4643", + .card = "FSI2A-AK4643", + .cpu_dai = "fsia-dai", + .codec = "ak4642-codec.0-0013", + .platform = "sh_fsi2", + .id = FSI_PORT_A, +}; + +static struct fsi_ak4642_data fsi2_b_ak4643 = { + .name = "AK4643", + .card = "FSI2B-AK4643", + .cpu_dai = "fsib-dai", + .codec = "ak4642-codec.0-0013", + .platform = "sh_fsi2", + .id = FSI_PORT_B, +}; + +static struct platform_device_id fsi_id_table[] = { + /* FSI */ + { "sh_fsi_a_ak4642", (kernel_ulong_t)&fsi_a_ak4642 }, + { "sh_fsi_b_ak4642", (kernel_ulong_t)&fsi_b_ak4642 }, + { "sh_fsi_a_ak4643", (kernel_ulong_t)&fsi_a_ak4643 }, + { "sh_fsi_b_ak4643", (kernel_ulong_t)&fsi_b_ak4643 }, + + /* FSI 2 */ + { "sh_fsi2_a_ak4642", (kernel_ulong_t)&fsi2_a_ak4642 }, + { "sh_fsi2_b_ak4642", (kernel_ulong_t)&fsi2_b_ak4642 }, + { "sh_fsi2_a_ak4643", (kernel_ulong_t)&fsi2_a_ak4643 }, + { "sh_fsi2_b_ak4643", (kernel_ulong_t)&fsi2_b_ak4643 }, + {}, +}; + +static struct platform_driver fsi_ak4642 = { + .driver = { + .name = "fsi-ak4642-audio", + }, + .probe = fsi_ak4642_probe, + .remove = fsi_ak4642_remove, + .id_table = fsi_id_table, +}; + +static int __init fsi_ak4642_init(void) +{ + return platform_driver_register(&fsi_ak4642); +} + +static void __exit fsi_ak4642_exit(void) +{ + platform_driver_unregister(&fsi_ak4642); +} + +module_init(fsi_ak4642_init); +module_exit(fsi_ak4642_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card"); +MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); |