diff options
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 8485a8a..ec5e18a 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -36,9 +36,7 @@ #include "omap-mcbsp.h" #include "omap-pcm.h" -#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_44100 | \ - SNDRV_PCM_RATE_48000 | \ - SNDRV_PCM_RATE_KNOT) +#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_8000_96000) struct omap_mcbsp_data { unsigned int bus_id; @@ -140,7 +138,8 @@ static const unsigned long omap34xx_mcbsp_port[][2] = { static const unsigned long omap34xx_mcbsp_port[][2] = {}; #endif -static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream) +static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; @@ -153,7 +152,8 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream) return err; } -static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream) +static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; @@ -165,7 +165,8 @@ static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream) } } -static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd) +static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; @@ -194,14 +195,15 @@ static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd) } static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id; - int wlen; + int wlen, channels; unsigned long port; if (cpu_class_is_omap1()) { @@ -230,12 +232,17 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, return 0; } - switch (params_channels(params)) { + channels = params_channels(params); + switch (channels) { case 2: - /* Set 1 word per (McBPSP) frame and use dual-phase frames */ - regs->rcr2 |= RFRLEN2(1 - 1) | RPHASE; + /* Use dual-phase frames */ + regs->rcr2 |= RPHASE; + regs->xcr2 |= XPHASE; + case 1: + /* Set 1 word per (McBSP) frame */ + regs->rcr2 |= RFRLEN2(1 - 1); regs->rcr1 |= RFRLEN1(1 - 1); - regs->xcr2 |= XFRLEN2(1 - 1) | XPHASE; + regs->xcr2 |= XFRLEN2(1 - 1); regs->xcr1 |= XFRLEN1(1 - 1); break; default: @@ -263,9 +270,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, regs->srgr2 |= FPER(wlen * 2 - 1); regs->srgr1 |= FWID(wlen - 1); break; - case SND_SOC_DAIFMT_DSP_A: - regs->srgr2 |= FPER(wlen * 2 - 1); - regs->srgr1 |= FWID(wlen * 2 - 2); + case SND_SOC_DAIFMT_DSP_B: + regs->srgr2 |= FPER(wlen * channels - 1); + regs->srgr1 |= FWID(wlen * channels - 2); break; } @@ -302,7 +309,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, regs->rcr2 |= RDATDLY(1); regs->xcr2 |= XDATDLY(1); break; - case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: /* 0-bit data delay */ regs->rcr2 |= RDATDLY(0); regs->xcr2 |= XDATDLY(0); @@ -452,17 +459,16 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, #define OMAP_MCBSP_DAI_BUILDER(link_id) \ { \ - .name = "omap-mcbsp-dai-(link_id)", \ + .name = "omap-mcbsp-dai-"#link_id, \ .id = (link_id), \ - .type = SND_SOC_DAI_I2S, \ .playback = { \ - .channels_min = 2, \ + .channels_min = 1, \ .channels_max = 2, \ .rates = OMAP_MCBSP_RATES, \ .formats = SNDRV_PCM_FMTBIT_S16_LE, \ }, \ .capture = { \ - .channels_min = 2, \ + .channels_min = 1, \ .channels_max = 2, \ .rates = OMAP_MCBSP_RATES, \ .formats = SNDRV_PCM_FMTBIT_S16_LE, \ @@ -472,8 +478,6 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, .shutdown = omap_mcbsp_dai_shutdown, \ .trigger = omap_mcbsp_dai_trigger, \ .hw_params = omap_mcbsp_dai_hw_params, \ - }, \ - .dai_ops = { \ .set_fmt = omap_mcbsp_dai_set_dai_fmt, \ .set_clkdiv = omap_mcbsp_dai_set_clkdiv, \ .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, \ @@ -495,6 +499,19 @@ struct snd_soc_dai omap_mcbsp_dai[] = { EXPORT_SYMBOL_GPL(omap_mcbsp_dai); +static int __init snd_omap_mcbsp_init(void) +{ + return snd_soc_register_dais(omap_mcbsp_dai, + ARRAY_SIZE(omap_mcbsp_dai)); +} +module_init(snd_omap_mcbsp_init); + +static void __exit snd_omap_mcbsp_exit(void) +{ + snd_soc_unregister_dais(omap_mcbsp_dai, ARRAY_SIZE(omap_mcbsp_dai)); +} +module_exit(snd_omap_mcbsp_exit); + MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>"); MODULE_DESCRIPTION("OMAP I2S SoC Interface"); MODULE_LICENSE("GPL"); |