diff options
Diffstat (limited to 'sound/soc/pxa/pxa-ssp.c')
-rw-r--r-- | sound/soc/pxa/pxa-ssp.c | 174 |
1 files changed, 64 insertions, 110 deletions
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c index a1fd23e0e3d0..b439eee462cb 100644 --- a/sound/soc/pxa/pxa-ssp.c +++ b/sound/soc/pxa/pxa-ssp.c @@ -35,7 +35,7 @@ #include <mach/audio.h> #include <plat/ssp.h> -#include "pxa2xx-pcm.h" +#include "../../arm/pxa2xx-pcm.h" #include "pxa-ssp.h" /* @@ -108,11 +108,9 @@ pxa_ssp_get_dma_params(struct ssp_device *ssp, int width4, int out) } static int pxa_ssp_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; int ret = 0; @@ -128,11 +126,9 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream, } static void pxa_ssp_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; if (!cpu_dai->active) { @@ -148,7 +144,7 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream, static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; if (!cpu_dai->active) @@ -166,7 +162,7 @@ static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai) static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; uint32_t sssr = SSSR_ROR | SSSR_TUR | SSSR_BCE; @@ -230,7 +226,7 @@ static u32 pxa_ssp_get_scr(struct ssp_device *ssp) static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; int val; @@ -287,7 +283,7 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai, static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, int div_id, int div) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; int val; @@ -338,7 +334,7 @@ static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; u32 ssacd = pxa_ssp_read_reg(ssp, SSACD) & ~0x70; @@ -407,7 +403,7 @@ static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id, static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; u32 sscr0; @@ -442,7 +438,7 @@ static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, static int pxa_ssp_set_dai_tristate(struct snd_soc_dai *cpu_dai, int tristate) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; u32 sscr1; @@ -464,11 +460,9 @@ static int pxa_ssp_set_dai_tristate(struct snd_soc_dai *cpu_dai, static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; - u32 sscr0; - u32 sscr1; - u32 sspsp; + u32 sscr0, sscr1, sspsp, scfr; /* check if we need to change anything at all */ if (priv->dai_fmt == fmt) @@ -483,16 +477,16 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai, /* reset port settings */ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & - (SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS); + ~(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS); sscr1 = SSCR1_RxTresh(8) | SSCR1_TxTresh(7); sspsp = 0; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: - sscr1 |= SSCR1_SCLKDIR | SSCR1_SFRMDIR; + sscr1 |= SSCR1_SCLKDIR | SSCR1_SFRMDIR | SSCR1_SCFR; break; case SND_SOC_DAIFMT_CBM_CFS: - sscr1 |= SSCR1_SCLKDIR; + sscr1 |= SSCR1_SCLKDIR | SSCR1_SCFR; break; case SND_SOC_DAIFMT_CBS_CFS: break; @@ -538,6 +532,17 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai, pxa_ssp_write_reg(ssp, SSCR1, sscr1); pxa_ssp_write_reg(ssp, SSPSP, sspsp); + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_CBM_CFS: + scfr = pxa_ssp_read_reg(ssp, SSCR1) | SSCR1_SCFR; + pxa_ssp_write_reg(ssp, SSCR1, scfr); + + while (pxa_ssp_read_reg(ssp, SSSR) & SSSR_BSY) + cpu_relax(); + break; + } + dump_registers(ssp); /* Since we are configuring the timings for the format by hand @@ -555,11 +560,9 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai, */ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; int chn = params_channels(params); u32 sscr0; @@ -568,7 +571,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, int ttsa = pxa_ssp_read_reg(ssp, SSTSA) & 0xf; struct pxa2xx_pcm_dma_params *dma_data; - dma_data = snd_soc_dai_get_dma_data(dai, substream); + dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream); /* generate correct DMA params */ kfree(dma_data); @@ -581,7 +584,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, ((chn == 2) && (ttsa != 1)) || (width == 32), substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - snd_soc_dai_set_dma_data(dai, substream, dma_data); + snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); /* we can only change the settings if the port is not in use */ if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) @@ -589,10 +592,8 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, /* clear selected SSP bits */ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS); - pxa_ssp_write_reg(ssp, SSCR0, sscr0); /* bit size */ - sscr0 = pxa_ssp_read_reg(ssp, SSCR0); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: #ifdef CONFIG_PXA3xx @@ -668,12 +669,10 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, } static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; int ret = 0; - struct ssp_priv *priv = cpu_dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); struct ssp_device *ssp = priv->ssp; int val; @@ -729,8 +728,7 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd, return ret; } -static int pxa_ssp_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int pxa_ssp_probe(struct snd_soc_dai *dai) { struct ssp_priv *priv; int ret; @@ -746,7 +744,7 @@ static int pxa_ssp_probe(struct platform_device *pdev, } priv->dai_fmt = (unsigned int) -1; - dai->private_data = priv; + snd_soc_dai_set_drvdata(dai, priv); return 0; @@ -755,11 +753,13 @@ err_priv: return ret; } -static void pxa_ssp_remove(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int pxa_ssp_remove(struct snd_soc_dai *dai) { - struct ssp_priv *priv = dai->private_data; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(dai); + pxa_ssp_free(priv->ssp); + kfree(priv); + return 0; } #define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ @@ -784,10 +784,7 @@ static struct snd_soc_dai_ops pxa_ssp_dai_ops = { .set_tristate = pxa_ssp_set_dai_tristate, }; -struct snd_soc_dai pxa_ssp_dai[] = { - { - .name = "pxa2xx-ssp1", - .id = 0, +static struct snd_soc_dai_driver pxa_ssp_dai = { .probe = pxa_ssp_probe, .remove = pxa_ssp_remove, .suspend = pxa_ssp_suspend, @@ -805,81 +802,38 @@ struct snd_soc_dai pxa_ssp_dai[] = { .formats = PXA_SSP_FORMATS, }, .ops = &pxa_ssp_dai_ops, +}; + +static __devinit int asoc_ssp_probe(struct platform_device *pdev) +{ + return snd_soc_register_dai(&pdev->dev, &pxa_ssp_dai); +} + +static int __devexit asoc_ssp_remove(struct platform_device *pdev) +{ + snd_soc_unregister_dai(&pdev->dev); + return 0; +} + +static struct platform_driver asoc_ssp_driver = { + .driver = { + .name = "pxa-ssp-dai", + .owner = THIS_MODULE, }, - { .name = "pxa2xx-ssp2", - .id = 1, - .probe = pxa_ssp_probe, - .remove = pxa_ssp_remove, - .suspend = pxa_ssp_suspend, - .resume = pxa_ssp_resume, - .playback = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .capture = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .ops = &pxa_ssp_dai_ops, - }, - { - .name = "pxa2xx-ssp3", - .id = 2, - .probe = pxa_ssp_probe, - .remove = pxa_ssp_remove, - .suspend = pxa_ssp_suspend, - .resume = pxa_ssp_resume, - .playback = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .capture = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .ops = &pxa_ssp_dai_ops, - }, - { - .name = "pxa2xx-ssp4", - .id = 3, - .probe = pxa_ssp_probe, - .remove = pxa_ssp_remove, - .suspend = pxa_ssp_suspend, - .resume = pxa_ssp_resume, - .playback = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .capture = { - .channels_min = 1, - .channels_max = 8, - .rates = PXA_SSP_RATES, - .formats = PXA_SSP_FORMATS, - }, - .ops = &pxa_ssp_dai_ops, - }, + + .probe = asoc_ssp_probe, + .remove = __devexit_p(asoc_ssp_remove), }; -EXPORT_SYMBOL_GPL(pxa_ssp_dai); static int __init pxa_ssp_init(void) { - return snd_soc_register_dais(pxa_ssp_dai, ARRAY_SIZE(pxa_ssp_dai)); + return platform_driver_register(&asoc_ssp_driver); } module_init(pxa_ssp_init); static void __exit pxa_ssp_exit(void) { - snd_soc_unregister_dais(pxa_ssp_dai, ARRAY_SIZE(pxa_ssp_dai)); + platform_driver_unregister(&asoc_ssp_driver); } module_exit(pxa_ssp_exit); |