diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s-v4.c')
-rw-r--r-- | sound/soc/s3c24xx/s3c64xx-i2s-v4.c | 123 |
1 files changed, 66 insertions, 57 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c b/sound/soc/s3c24xx/s3c64xx-i2s-v4.c index 06db130030a1..7cab4fcf1f12 100644 --- a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c +++ b/sound/soc/s3c24xx/s3c64xx-i2s-v4.c @@ -16,9 +16,7 @@ #include <sound/soc.h> #include <sound/pcm_params.h> -#include <mach/gpio-bank-c.h> -#include <mach/gpio-bank-h.h> -#include <plat/gpio-cfg.h> +#include <plat/audio.h> #include <mach/map.h> #include <mach/dma.h> @@ -39,34 +37,23 @@ static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_out; static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_in; static struct s3c_i2sv2_info s3c64xx_i2sv4; -struct snd_soc_dai s3c64xx_i2s_v4_dai; -EXPORT_SYMBOL_GPL(s3c64xx_i2s_v4_dai); - -static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai) +static int s3c64xx_i2sv4_probe(struct snd_soc_dai *dai) { - return cpu_dai->private_data; -} + struct s3c_i2sv2_info *i2s = &s3c64xx_i2sv4; + int ret = 0; -static int s3c64xx_i2sv4_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) -{ - /* configure GPIO for i2s port */ - s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0); - s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1); - s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2); - s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI); + snd_soc_dai_set_drvdata(dai, i2s); - return 0; + ret = s3c_i2sv2_probe(dai, i2s, i2s->base); + + return ret; } static int s3c_i2sv4_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { - struct s3c_i2sv2_info *i2s = to_info(cpu_dai); + struct s3c_i2sv2_info *i2s = snd_soc_dai_get_drvdata(cpu_dai); struct s3c_dma_params *dma_data; u32 iismod; @@ -104,51 +91,79 @@ static struct snd_soc_dai_ops s3c64xx_i2sv4_dai_ops = { .hw_params = s3c_i2sv4_hw_params, }; +static struct snd_soc_dai_driver s3c64xx_i2s_v4_dai = { + .symmetric_rates = 1, + .playback = { + .channels_min = 2, + .channels_max = 2, + .rates = S3C64XX_I2S_RATES, + .formats = S3C64XX_I2S_FMTS, + }, + .capture = { + .channels_min = 2, + .channels_max = 2, + .rates = S3C64XX_I2S_RATES, + .formats = S3C64XX_I2S_FMTS, + }, + .probe = s3c64xx_i2sv4_probe, + .ops = &s3c64xx_i2sv4_dai_ops, +}; + static __devinit int s3c64xx_i2sv4_dev_probe(struct platform_device *pdev) { + struct s3c_audio_pdata *i2s_pdata; struct s3c_i2sv2_info *i2s; - struct snd_soc_dai *dai; + struct resource *res; int ret; i2s = &s3c64xx_i2sv4; - dai = &s3c64xx_i2s_v4_dai; - - if (dai->dev) { - dev_dbg(dai->dev, "%s: \ - I2Sv4 instance already registered!\n", __func__); - return -EBUSY; - } - - dai->dev = &pdev->dev; - dai->name = "s3c64xx-i2s-v4"; - dai->id = 0; - dai->symmetric_rates = 1; - dai->playback.channels_min = 2; - dai->playback.channels_max = 2; - dai->playback.rates = S3C64XX_I2S_RATES; - dai->playback.formats = S3C64XX_I2S_FMTS; - dai->capture.channels_min = 2; - dai->capture.channels_max = 2; - dai->capture.rates = S3C64XX_I2S_RATES; - dai->capture.formats = S3C64XX_I2S_FMTS; - dai->probe = s3c64xx_i2sv4_probe; - dai->ops = &s3c64xx_i2sv4_dai_ops; i2s->feature |= S3C_FEATURE_CDCLKCON; i2s->dma_capture = &s3c64xx_i2sv4_pcm_stereo_in; i2s->dma_playback = &s3c64xx_i2sv4_pcm_stereo_out; - i2s->dma_capture->channel = DMACH_HSI_I2SV40_RX; - i2s->dma_capture->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_HSI_I2SV40_TX; - i2s->dma_playback->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISTXD; + res = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S-TX dma resource\n"); + return -ENXIO; + } + i2s->dma_playback->channel = res->start; + + res = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S-RX dma resource\n"); + return -ENXIO; + } + i2s->dma_capture->channel = res->start; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Unable to get I2S SFR address\n"); + return -ENXIO; + } + + if (!request_mem_region(res->start, resource_size(res), + "s3c64xx-i2s-v4")) { + dev_err(&pdev->dev, "Unable to request SFR region\n"); + return -EBUSY; + } + i2s->dma_capture->dma_addr = res->start + S3C2412_IISRXD; + i2s->dma_playback->dma_addr = res->start + S3C2412_IISTXD; i2s->dma_capture->client = &s3c64xx_dma_client_in; i2s->dma_capture->dma_size = 4; i2s->dma_playback->client = &s3c64xx_dma_client_out; i2s->dma_playback->dma_size = 4; + i2s->base = res->start; + + i2s_pdata = pdev->dev.platform_data; + if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) { + dev_err(&pdev->dev, "Unable to configure gpio\n"); + return -EINVAL; + } + i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus"); if (IS_ERR(i2s->iis_cclk)) { dev_err(&pdev->dev, "failed to get audio-bus\n"); @@ -158,19 +173,13 @@ static __devinit int s3c64xx_i2sv4_dev_probe(struct platform_device *pdev) clk_enable(i2s->iis_cclk); - ret = s3c_i2sv2_probe(pdev, dai, i2s, 0); - if (ret) - goto err_clk; - - ret = s3c_i2sv2_register_dai(dai); + ret = s3c_i2sv2_register_dai(&pdev->dev, pdev->id, &s3c64xx_i2s_v4_dai); if (ret != 0) goto err_i2sv2; return 0; err_i2sv2: - /* Not implemented for I2Sv2 core yet */ -err_clk: clk_put(i2s->iis_cclk); err: return ret; @@ -178,7 +187,7 @@ err: static __devexit int s3c64xx_i2sv4_dev_remove(struct platform_device *pdev) { - dev_err(&pdev->dev, "Device removal not yet supported\n"); + snd_soc_unregister_dai(&pdev->dev); return 0; } |