diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2014-07-16 16:12:04 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-07-17 01:09:13 +0400 |
| commit | f3f9cfa8a1a78a3bc0dc6b7d5c26baeb07a75499 (patch) | |
| tree | ed5508d41af61f9b9dc5e36310fa998fd7296a6c | |
| parent | e8ffacee0adacc1a1312a14acb123544cd4094b9 (diff) | |
| download | linux-f3f9cfa8a1a78a3bc0dc6b7d5c26baeb07a75499.tar.xz | |
ASoC: davinci-mcasp: Use dmaengine based platform driver for AM335x/447x
Use the edma-pcm with AM335x and AM437x SoCs.
Keep using the davinci-pcm for daVinci devices, they can be switched to use
the dmaengine based driver later when they are verified to work correctly.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | sound/soc/davinci/Kconfig | 18 | ||||
| -rw-r--r-- | sound/soc/davinci/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/davinci/davinci-mcasp.c | 11 |
3 files changed, 25 insertions, 6 deletions
diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig index fdbb16fffd30..b310dd3489ac 100644 --- a/sound/soc/davinci/Kconfig +++ b/sound/soc/davinci/Kconfig @@ -1,12 +1,22 @@ config SND_DAVINCI_SOC - tristate "SoC Audio for TI DAVINCI or AM33XX/AM43XX chips" - depends on ARCH_DAVINCI || SOC_AM33XX || SOC_AM43XX + tristate "SoC Audio for TI DAVINCI" + depends on ARCH_DAVINCI + +config SND_EDMA_SOC + tristate "SoC Audio for Texas Instruments chips using eDMA (AM33XX/43XX)" + depends on SOC_AM33XX || SOC_AM43XX + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Say Y or M here if you want audio support for TI SoC which uses eDMA. + The following line of SoCs are supported by this platform driver: + - AM335x + - AM437x/AM438x config SND_DAVINCI_SOC_I2S tristate config SND_DAVINCI_SOC_MCASP - depends on SND_DAVINCI_SOC || SND_OMAP_SOC + depends on SND_DAVINCI_SOC || SND_OMAP_SOC || SND_EDMA_SOC tristate config SND_DAVINCI_SOC_VCIF @@ -19,7 +29,7 @@ config SND_DAVINCI_SOC_GENERIC_EVM config SND_AM33XX_SOC_EVM tristate "SoC Audio for the AM33XX chip based boards" - depends on SND_DAVINCI_SOC && SOC_AM33XX && I2C + depends on SND_EDMA_SOC && SOC_AM33XX && I2C select SND_DAVINCI_SOC_GENERIC_EVM help Say Y or M if you want to add support for SoC audio on AM33XX diff --git a/sound/soc/davinci/Makefile b/sound/soc/davinci/Makefile index 744d4d9a0184..09bf2ba92d38 100644 --- a/sound/soc/davinci/Makefile +++ b/sound/soc/davinci/Makefile @@ -1,10 +1,12 @@ # DAVINCI Platform Support snd-soc-davinci-objs := davinci-pcm.o +snd-soc-edma-objs := edma-pcm.o snd-soc-davinci-i2s-objs := davinci-i2s.o snd-soc-davinci-mcasp-objs:= davinci-mcasp.o snd-soc-davinci-vcif-objs:= davinci-vcif.o obj-$(CONFIG_SND_DAVINCI_SOC) += snd-soc-davinci.o +obj-$(CONFIG_SND_EDMA_SOC) += snd-soc-edma.o obj-$(CONFIG_SND_DAVINCI_SOC_I2S) += snd-soc-davinci-i2s.o obj-$(CONFIG_SND_DAVINCI_SOC_MCASP) += snd-soc-davinci-mcasp.o obj-$(CONFIG_SND_DAVINCI_SOC_VCIF) += snd-soc-davinci-vcif.o diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index f7dc538679b1..02421d4275f5 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -37,6 +37,7 @@ #include <sound/omap-pcm.h> #include "davinci-pcm.h" +#include "edma-pcm.h" #include "davinci-mcasp.h" #define MCASP_MAX_AFIFO_DEPTH 64 @@ -831,7 +832,7 @@ static int davinci_mcasp_dai_probe(struct snd_soc_dai *dai) { struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai); - if (mcasp->version == MCASP_VERSION_4) { + if (mcasp->version >= MCASP_VERSION_3) { /* Using dmaengine PCM */ dai->playback_dma_data = &mcasp->dma_data[SNDRV_PCM_STREAM_PLAYBACK]; @@ -1281,10 +1282,16 @@ static int davinci_mcasp_probe(struct platform_device *pdev) IS_MODULE(CONFIG_SND_DAVINCI_SOC)) case MCASP_VERSION_1: case MCASP_VERSION_2: - case MCASP_VERSION_3: ret = davinci_soc_platform_register(&pdev->dev); break; #endif +#if IS_BUILTIN(CONFIG_SND_EDMA_SOC) || \ + (IS_MODULE(CONFIG_SND_DAVINCI_SOC_MCASP) && \ + IS_MODULE(CONFIG_SND_EDMA_SOC)) + case MCASP_VERSION_3: + ret = edma_pcm_platform_register(&pdev->dev); + break; +#endif #if IS_BUILTIN(CONFIG_SND_OMAP_SOC) || \ (IS_MODULE(CONFIG_SND_DAVINCI_SOC_MCASP) && \ IS_MODULE(CONFIG_SND_OMAP_SOC)) |