diff options
| -rw-r--r-- | sound/soc/s3c24xx/s3c64xx-i2s.c | 146 | ||||
| -rw-r--r-- | sound/soc/s3c24xx/s3c64xx-i2s.h | 2 |
2 files changed, 98 insertions, 50 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c index 33c5de7e255..a84c4bec56b 100644 --- a/sound/soc/s3c24xx/s3c64xx-i2s.c +++ b/sound/soc/s3c24xx/s3c64xx-i2s.c @@ -120,36 +120,8 @@ EXPORT_SYMBOL_GPL(s3c64xx_i2s_get_clockrate); static int s3c64xx_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai) { - struct device *dev = &pdev->dev; - struct s3c_i2sv2_info *i2s; - int ret; - - dev_dbg(dev, "%s: probing dai %d\n", __func__, pdev->id); - - if (pdev->id < 0 || pdev->id > ARRAY_SIZE(s3c64xx_i2s)) { - dev_err(dev, "id %d out of range\n", pdev->id); - return -EINVAL; - } - - i2s = &s3c64xx_i2s[pdev->id]; - - ret = s3c_i2sv2_probe(pdev, dai, i2s, - pdev->id ? S3C64XX_PA_IIS1 : S3C64XX_PA_IIS0); - if (ret) - return ret; - - i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id]; - i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id]; - - i2s->iis_cclk = clk_get(dev, "audio-bus"); - if (IS_ERR(i2s->iis_cclk)) { - dev_err(dev, "failed to get audio-bus"); - iounmap(i2s->regs); - return -ENODEV; - } - /* configure GPIO for i2s port */ - switch (pdev->id) { + switch (dai->id) { case 0: s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK); s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK); @@ -181,35 +153,114 @@ static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = { .set_sysclk = s3c64xx_i2s_set_sysclk, }; -struct snd_soc_dai s3c64xx_i2s_dai = { - .name = "s3c64xx-i2s", - .id = 0, - .probe = s3c64xx_i2s_probe, - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = S3C64XX_I2S_RATES, - .formats = S3C64XX_I2S_FMTS, +struct snd_soc_dai s3c64xx_i2s_dai[] = { + { + .name = "s3c64xx-i2s", + .id = 0, + .probe = s3c64xx_i2s_probe, + .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, + }, + .ops = &s3c64xx_i2s_dai_ops, }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = S3C64XX_I2S_RATES, - .formats = S3C64XX_I2S_FMTS, + { + .name = "s3c64xx-i2s", + .id = 1, + .probe = s3c64xx_i2s_probe, + .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, + }, + .ops = &s3c64xx_i2s_dai_ops, }, - .ops = &s3c64xx_i2s_dai_ops, }; EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai); +static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev) +{ + struct s3c_i2sv2_info *i2s; + struct snd_soc_dai *dai; + int ret; + + if (pdev->id >= ARRAY_SIZE(s3c64xx_i2s)) { + dev_err(&pdev->dev, "id %d out of range\n", pdev->id); + return -EINVAL; + } + + i2s = &s3c64xx_i2s[pdev->id]; + dai = &s3c64xx_i2s_dai[pdev->id]; + dai->dev = &pdev->dev; + + i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id]; + i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id]; + + i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus"); + if (IS_ERR(i2s->iis_cclk)) { + dev_err(&pdev->dev, "failed to get audio-bus"); + ret = PTR_ERR(i2s->iis_cclk); + goto err; + } + + ret = s3c_i2sv2_probe(pdev, dai, i2s, + dai->id ? S3C64XX_PA_IIS1 : S3C64XX_PA_IIS0); + if (ret) + goto err_clk; + + ret = snd_soc_register_dai(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; +} + +static __devexit int s3c64xx_iis_dev_remove(struct platform_device *pdev) +{ + dev_err(&pdev->dev, "Device removal not yet supported\n"); + return 0; +} + +static struct platform_driver s3c64xx_iis_driver = { + .probe = s3c64xx_iis_dev_probe, + .remove = s3c64xx_iis_dev_remove, + .driver = { + .name = "s3c64xx-iis", + .owner = THIS_MODULE, + }, +}; + static int __init s3c64xx_i2s_init(void) { - return s3c_i2sv2_register_dai(&s3c64xx_i2s_dai); + return platform_driver_register(&s3c64xx_iis_driver); } module_init(s3c64xx_i2s_init); static void __exit s3c64xx_i2s_exit(void) { - snd_soc_unregister_dai(&s3c64xx_i2s_dai); + platform_driver_unregister(&s3c64xx_iis_driver); } module_exit(s3c64xx_i2s_exit); @@ -217,6 +268,3 @@ module_exit(s3c64xx_i2s_exit); MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); MODULE_DESCRIPTION("S3C64XX I2S SoC Interface"); MODULE_LICENSE("GPL"); - - - diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.h b/sound/soc/s3c24xx/s3c64xx-i2s.h index b7ffe3c38b6..597822a4658 100644 --- a/sound/soc/s3c24xx/s3c64xx-i2s.h +++ b/sound/soc/s3c24xx/s3c64xx-i2s.h @@ -24,7 +24,7 @@ #define S3C64XX_CLKSRC_PCLK (0) #define S3C64XX_CLKSRC_MUX (1) -extern struct snd_soc_dai s3c64xx_i2s_dai; +extern struct snd_soc_dai s3c64xx_i2s_dai[]; extern unsigned long s3c64xx_i2s_get_clockrate(struct snd_soc_dai *cpu_dai); |