diff options
Diffstat (limited to 'sound/soc/ux500/ux500_cg29xx.c')
| -rwxr-xr-x | sound/soc/ux500/ux500_cg29xx.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/sound/soc/ux500/ux500_cg29xx.c b/sound/soc/ux500/ux500_cg29xx.c new file mode 100755 index 00000000000..f1eaa08ab6b --- /dev/null +++ b/sound/soc/ux500/ux500_cg29xx.c @@ -0,0 +1,200 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Roger Nilsson roger.xr.nilsson@stericsson.com + * for ST-Ericsson. + * + * License terms: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/io.h> +#include <sound/soc.h> + +#include "ux500_pcm.h" +#include "ux500_msp_dai.h" +#include "mach/hardware.h" +#include "../codecs/cg29xx.h" + +static struct platform_device *ux500_cg29xx_platform_device; + +static int ux500_cg29xx_hw_params( + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + int ret = 0; + + pr_debug("%s: Enter.\n", __func__); + pr_debug("%s: substream->pcm->name = %s.\n" + "substream->pcm->id = %s.\n" + "substream->name = %s.\n" + "substream->number = %d.\n", + __func__, + substream->pcm->name, + substream->pcm->id, + substream->name, + substream->number); + + if (cpu_dai->ops.set_fmt) { + ret = snd_soc_dai_set_fmt( + cpu_dai, + SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) { + pr_debug("%s: snd_soc_dai_set_fmt" + " failed with %d.\n", + __func__, + ret); + return ret; + } + } + return ret; +} + +static struct snd_soc_ops ux500_cg29xx_ops = { + .hw_params = ux500_cg29xx_hw_params, +}; + +static int ux500_hdmi_hw_params( + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + int ret = 0; + + pr_debug("%s: Enter.\n", __func__); + + pr_debug("%s: substream->pcm->name = %s.\n" + "substream->pcm->id = %s.\n" + "substream->name = %s.\n" + "substream->number = %d.\n", + __func__, + substream->pcm->name, + substream->pcm->id, + substream->name, + substream->number); + + if (cpu_dai->ops.set_fmt) { + ret = snd_soc_dai_set_fmt( + cpu_dai, SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + pr_debug("%s: snd_soc_dai_set_fmt" + " failed with %d.\n", + __func__, + ret); + return ret; + } + } + + return 0; +} + +static struct snd_soc_ops ux500_hdmi_ops = { + .hw_params = ux500_hdmi_hw_params, +}; + +struct snd_soc_dai_link ux500_cg29xx_dai_links[] = { + { + .name = "cg29xx_0", + .stream_name = "cg29xx_0", + .cpu_dai = &ux500_msp_dai[0], + .codec_dai = &cg29xx_codec_dai[0], + .init = NULL, + .ops = &ux500_cg29xx_ops, + }, + { + .name = "hdmi_0", + .stream_name = "hdmi_0", + .cpu_dai = &ux500_msp_dai[2], + .codec_dai = &cg29xx_codec_dai[0], + .init = NULL, + .ops = &ux500_hdmi_ops, + }, +}; + +static struct snd_soc_card ux500_cg29xx = { + .name = "cg29xx", + .probe = NULL, + .dai_link = ux500_cg29xx_dai_links, + .num_links = ARRAY_SIZE(ux500_cg29xx_dai_links), + .platform = &ux500_soc_platform, +}; + +struct snd_soc_device ux500_cg29xx_drvdata = { + .card = &ux500_cg29xx, + .codec_dev = &soc_codec_dev_cg29xx, +}; + +static int __init ux500_cg29xx_soc_init(void) +{ + int i; + int ret = 0; + + pr_debug("%s: Enter.\n", __func__); + pr_debug("%s: Card name: %s\n", + __func__, + ux500_cg29xx_drvdata.card->name); + + for (i = 0; i < ARRAY_SIZE(ux500_cg29xx_dai_links); i++) { + pr_debug("%s: DAI-link %d, name: %s\n", + __func__, + i, + ux500_cg29xx_drvdata.card->dai_link[i].name); + pr_debug("%s: DAI-link %d, stream_name: %s\n", + __func__, + i, + ux500_cg29xx_drvdata.card->dai_link[i].stream_name); + } + + pr_debug("%s: Allocate platform device (%s).\n", + __func__, + ux500_cg29xx_drvdata.card->name); + ux500_cg29xx_platform_device = + platform_device_alloc("soc-audio", -1); + if (!ux500_cg29xx_platform_device) + return -ENOMEM; + pr_debug("%s: Set platform drvdata (%s).\n", + __func__, + ux500_cg29xx_drvdata.card->name); + platform_set_drvdata( + ux500_cg29xx_platform_device, + &ux500_cg29xx_drvdata); + + pr_debug("%s: Add platform device (%s).\n", + __func__, + ux500_cg29xx_drvdata.card->name); + ux500_cg29xx_drvdata.dev = &ux500_cg29xx_platform_device->dev; + + ret = platform_device_add(ux500_cg29xx_platform_device); + if (ret) { + pr_debug("%s: Error: Failed to add platform device (%s).\n", + __func__, + ux500_cg29xx_drvdata.card->name); + platform_device_put(ux500_cg29xx_platform_device); + } + + return ret; +} +module_init(ux500_cg29xx_soc_init); + +static void __exit ux500_cg29xx_soc_exit(void) +{ + pr_debug("%s: Enter.\n", __func__); + + pr_debug("%s: Un-register platform device (%s).\n", + __func__, + ux500_cg29xx_drvdata.card->name); + platform_device_unregister(ux500_cg29xx_platform_device); +} +module_exit(ux500_cg29xx_soc_exit); + +MODULE_LICENSE("GPL"); |