diff options
| author | Inha Song <ideal.song@samsung.com> | 2014-04-30 20:09:09 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:59:48 +0900 |
| commit | a7258efca5cad5ce831c71d30c2f0861a18a40e2 (patch) | |
| tree | 6fae337380223dac27056ff7662bc1c52950c917 /sound | |
| parent | 6f143cfe2f3d73aa53e485171f0dceef4c6c7b35 (diff) | |
| download | linux-3.10-a7258efca5cad5ce831c71d30c2f0861a18a40e2.tar.gz linux-3.10-a7258efca5cad5ce831c71d30c2f0861a18a40e2.tar.bz2 linux-3.10-a7258efca5cad5ce831c71d30c2f0861a18a40e2.zip | |
ASoC: samsung: Modify i2s driver to support idma
i2s-sec driver uses the internal dma.
Because ASoC idma devices are not registered as platform device,
asoc_idma_platform_register() should be called for idma registration.
Change-Id: Iaf7b0c0e3cdf66f4eda720cd705cf802c391d76b
Signed-off-by: Inha Song <ideal.song@samsung.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/samsung/i2s.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index a486c45b86a..4d26f605e38 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/of_irq.h> #include <linux/pm_runtime.h> #include <sound/soc.h> @@ -994,7 +995,8 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) if (i2s->quirks & QUIRK_SEC_DAI) idma_reg_addr_init(i2s->addr, - i2s->sec_dai->idma_playback.dma_addr); + i2s->sec_dai->idma_playback.dma_addr, + i2s->sec_dai->idma_playback.irq); probe_exit: /* Reset any constraint on RFS and BFS */ @@ -1145,7 +1147,7 @@ static int samsung_i2s_probe(struct platform_device *pdev) struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data; struct samsung_i2s *i2s_cfg = NULL; struct resource *res; - u32 regs_base, quirks = 0, idma_addr = 0; + u32 regs_base, quirks = 0, idma_addr = 0, idma_irq = 0; struct device_node *np = pdev->dev.of_node; enum samsung_dai_type samsung_dai_type; int ret = 0; @@ -1159,10 +1161,12 @@ static int samsung_i2s_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Unable to get drvdata\n"); return -EFAULT; } + snd_soc_register_component(&sec_dai->pdev->dev, &samsung_i2s_component, &sec_dai->i2s_dai_drv, 1); - asoc_dma_platform_register(&pdev->dev); + asoc_idma_platform_register(&pdev->dev); + return 0; } @@ -1219,6 +1223,14 @@ static int samsung_i2s_probe(struct platform_device *pdev) return -EINVAL; } } + + idma_irq = irq_of_parse_and_map(np, 0); + if (idma_irq == NO_IRQ) { + if (quirks & QUIRK_SEC_DAI) { + dev_err(&pdev->dev, "idma irq is not specified"); + return -EINVAL; + } + } } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1273,6 +1285,7 @@ static int samsung_i2s_probe(struct platform_device *pdev) sec_dai->base = regs_base; sec_dai->quirks = quirks; sec_dai->idma_playback.dma_addr = idma_addr; + sec_dai->idma_playback.irq = idma_irq; sec_dai->pri_dai = pri_dai; pri_dai->sec_dai = sec_dai; } @@ -1318,7 +1331,11 @@ static int samsung_i2s_remove(struct platform_device *pdev) i2s->pri_dai = NULL; i2s->sec_dai = NULL; - asoc_dma_platform_unregister(&pdev->dev); + if (other) + asoc_idma_platform_unregister(&pdev->dev); + else + asoc_dma_platform_unregister(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); return 0; |