diff options
author | Jyri Sarha <jsarha@ti.com> | 2013-09-17 12:26:00 +0300 |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2013-09-18 10:53:24 +0100 |
commit | bcf25567ecec6cb0a8078cbf68969baed047fdf4 (patch) | |
tree | a46fed1a5bb480ea00a3a46c7d87345e12efefd0 /sound/soc/davinci | |
parent | 272b98c6455f00884f0350f775c5342358ebb73f (diff) | |
download | op-kernel-dev-bcf25567ecec6cb0a8078cbf68969baed047fdf4.zip op-kernel-dev-bcf25567ecec6cb0a8078cbf68969baed047fdf4.tar.gz |
ASoC: davinci-evm: Move sysclk logic away from evm_hw_params
The sysclk rate does not change runtime so it should be initialized at
init time.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/davinci')
-rw-r--r-- | sound/soc/davinci/davinci-evm.c | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c index fd7c45b..2f8161c 100644 --- a/sound/soc/davinci/davinci-evm.c +++ b/sound/soc/davinci/davinci-evm.c @@ -27,6 +27,10 @@ #include "davinci-i2s.h" #include "davinci-mcasp.h" +struct snd_soc_card_drvdata_davinci { + unsigned sysclk; +}; + #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF) static int evm_hw_params(struct snd_pcm_substream *substream, @@ -35,27 +39,11 @@ static int evm_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_card *soc_card = codec->card; int ret = 0; - unsigned sysclk; - - /* ASP1 on DM355 EVM is clocked by an external oscillator */ - if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() || - machine_is_davinci_dm365_evm()) - sysclk = 27000000; - - /* ASP0 in DM6446 EVM is clocked by U55, as configured by - * board-dm644x-evm.c using GPIOs from U18. There are six - * options; here we "know" we use a 48 KHz sample rate. - */ - else if (machine_is_davinci_evm()) - sysclk = 12288000; - - else if (machine_is_davinci_da830_evm() || - machine_is_davinci_da850_evm()) - sysclk = 24576000; - - else - return -EINVAL; + unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *) + snd_soc_card_get_drvdata(soc_card))->sysclk; /* set codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT); @@ -243,35 +231,65 @@ static struct snd_soc_dai_link da850_evm_dai = { }; /* davinci dm6446 evm audio machine driver */ +/* + * ASP0 in DM6446 EVM is clocked by U55, as configured by + * board-dm644x-evm.c using GPIOs from U18. There are six + * options; here we "know" we use a 48 KHz sample rate. + */ +static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = { + .sysclk = 12288000, +}; + static struct snd_soc_card dm6446_snd_soc_card_evm = { .name = "DaVinci DM6446 EVM", .owner = THIS_MODULE, .dai_link = &dm6446_evm_dai, .num_links = 1, + .drvdata = &dm6446_snd_soc_card_drvdata, }; /* davinci dm355 evm audio machine driver */ +/* ASP1 on DM355 EVM is clocked by an external oscillator */ +static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = { + .sysclk = 27000000, +}; + static struct snd_soc_card dm355_snd_soc_card_evm = { .name = "DaVinci DM355 EVM", .owner = THIS_MODULE, .dai_link = &dm355_evm_dai, .num_links = 1, + .drvdata = &dm355_snd_soc_card_drvdata, }; /* davinci dm365 evm audio machine driver */ +static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = { + .sysclk = 27000000, +}; + static struct snd_soc_card dm365_snd_soc_card_evm = { .name = "DaVinci DM365 EVM", .owner = THIS_MODULE, .dai_link = &dm365_evm_dai, .num_links = 1, + .drvdata = &dm365_snd_soc_card_drvdata, }; /* davinci dm6467 evm audio machine driver */ +static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = { + .sysclk = 27000000, +}; + static struct snd_soc_card dm6467_snd_soc_card_evm = { .name = "DaVinci DM6467 EVM", .owner = THIS_MODULE, .dai_link = dm6467_evm_dai, .num_links = ARRAY_SIZE(dm6467_evm_dai), + .drvdata = &dm6467_snd_soc_card_drvdata, +}; + +static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = { + .sysclk = 24576000, }; static struct snd_soc_card da830_snd_soc_card = { @@ -279,6 +297,11 @@ static struct snd_soc_card da830_snd_soc_card = { .owner = THIS_MODULE, .dai_link = &da830_evm_dai, .num_links = 1, + .drvdata = &da830_snd_soc_card_drvdata, +}; + +static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = { + .sysclk = 24576000, }; static struct snd_soc_card da850_snd_soc_card = { @@ -286,6 +309,7 @@ static struct snd_soc_card da850_snd_soc_card = { .owner = THIS_MODULE, .dai_link = &da850_evm_dai, .num_links = 1, + .drvdata = &da850_snd_soc_card_drvdata, }; static struct platform_device *evm_snd_device; |