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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
* 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 <sound/soc.h>
#include "../codecs/cg29xx.h"
#include "ux500_msp_dai.h"
#define UX500_CG29XX_MSP_CLOCK_FREQ 18900000
#define UX500_CG29XX_DAI_SLOT_WIDTH 16
#define UX500_CG29XX_DAI_SLOTS 2
#define UX500_CG29XX_DAI_ACTIVE_SLOTS 0x01
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->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int channels = params_channels(params);
int err;
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: substream->pcm->name = %s.\n", __func__, substream->pcm->name);
pr_debug("%s: substream->pcm->id = %s.\n", __func__, substream->pcm->id);
pr_debug("%s: substream->name = %s.\n", __func__, substream->name);
pr_debug("%s: substream->number = %d.\n", __func__, substream->number);
pr_debug("%s: channels = %d.\n", __func__, channels);
pr_debug("%s: DAI-index (Codec): %d\n", __func__, codec_dai->id);
pr_debug("%s: DAI-index (Platform): %d\n", __func__, cpu_dai->id);
err = snd_soc_dai_set_fmt(codec_dai,
SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS);
if (err) {
pr_err("%s: snd_soc_dai_set_fmt(codec) failed with %d.\n",
__func__,
err);
goto out_err;
}
err = snd_soc_dai_set_tdm_slot(codec_dai,
1 << CG29XX_DAI_SLOT0_SHIFT,
1 << CG29XX_DAI_SLOT0_SHIFT,
UX500_CG29XX_DAI_SLOTS,
UX500_CG29XX_DAI_SLOT_WIDTH);
if (err) {
pr_err("%s: cg29xx_set_tdm_slot(codec_dai) failed with %d.\n",
__func__,
err);
goto out_err;
}
err = snd_soc_dai_set_fmt(cpu_dai,
SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS |
SND_SOC_DAIFMT_NB_NF);
if (err) {
pr_err("%s: snd_soc_dai_set_fmt(cpu_dai) failed with %d.\n",
__func__,
err);
goto out_err;
}
err = snd_soc_dai_set_sysclk(cpu_dai,
UX500_MSP_MASTER_CLOCK,
UX500_CG29XX_MSP_CLOCK_FREQ,
0);
if (err) {
pr_err("%s: snd_soc_dai_set_sysclk(cpu_dai) failed with %d.\n",
__func__,
err);
goto out_err;
}
err = snd_soc_dai_set_tdm_slot(cpu_dai,
UX500_CG29XX_DAI_ACTIVE_SLOTS,
UX500_CG29XX_DAI_ACTIVE_SLOTS,
UX500_CG29XX_DAI_SLOTS,
UX500_CG29XX_DAI_SLOT_WIDTH);
if (err) {
pr_err("%s: cg29xx_set_tdm_slot(cpu_dai) failed with %d.\n",
__func__,
err);
goto out_err;
}
out_err:
return err;
}
struct snd_soc_ops ux500_cg29xx_ops[] = {
{
.hw_params = ux500_cg29xx_hw_params,
}
};
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