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authorMark Brown <broonie@linaro.org>2013-08-15 11:37:38 +0100
committerMark Brown <broonie@linaro.org>2013-08-15 11:37:38 +0100
commit743c5bb898be45009770c144e5e14e4f448e56b9 (patch)
tree40fff57c975f89da4a90922c165595840e99093a /sound/soc/omap
parent8fe120b5a665fc869c23f86e4964b801f6e53486 (diff)
parentb7ae6f31d8243ec684af16bc5c763eccdfabaec0 (diff)
Merge branch 'topic/dma' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-omap
Conflicts: sound/soc/omap/Kconfig
Diffstat (limited to 'sound/soc/omap')
-rw-r--r--sound/soc/omap/Kconfig2
-rw-r--r--sound/soc/omap/mcbsp.c39
-rw-r--r--sound/soc/omap/omap-dmic.c11
-rw-r--r--sound/soc/omap/omap-mcpdm.c16
-rw-r--r--sound/soc/omap/omap-pcm.c17
5 files changed, 40 insertions, 45 deletions
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index 44b5acf01f3f..daa78a0095fa 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -1,7 +1,7 @@
config SND_OMAP_SOC
tristate "SoC Audio for the Texas Instruments OMAP chips"
depends on (ARCH_OMAP && DMA_OMAP) || (ARCH_ARM && COMPILE_TEST)
- select SND_SOC_DMAENGINE_PCM
+ select SND_DMAENGINE_PCM
config SND_OMAP_SOC_DMIC
tristate
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index eb68c7db1cf3..361e4c03646e 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -1012,28 +1012,33 @@ int omap_mcbsp_init(struct platform_device *pdev)
}
}
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
- if (!res) {
- dev_err(&pdev->dev, "invalid rx DMA channel\n");
- return -ENODEV;
- }
- /* RX DMA request number, and port address configuration */
- mcbsp->dma_req[1] = res->start;
- mcbsp->dma_data[1].filter_data = &mcbsp->dma_req[1];
- mcbsp->dma_data[1].addr = omap_mcbsp_dma_reg_params(mcbsp, 1);
- mcbsp->dma_data[1].maxburst = 4;
+ if (!pdev->dev.of_node) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+ if (!res) {
+ dev_err(&pdev->dev, "invalid tx DMA channel\n");
+ return -ENODEV;
+ }
+ mcbsp->dma_req[0] = res->start;
+ mcbsp->dma_data[0].filter_data = &mcbsp->dma_req[0];
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
- if (!res) {
- dev_err(&pdev->dev, "invalid tx DMA channel\n");
- return -ENODEV;
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+ if (!res) {
+ dev_err(&pdev->dev, "invalid rx DMA channel\n");
+ return -ENODEV;
+ }
+ mcbsp->dma_req[1] = res->start;
+ mcbsp->dma_data[1].filter_data = &mcbsp->dma_req[1];
+ } else {
+ mcbsp->dma_data[0].filter_data = "tx";
+ mcbsp->dma_data[1].filter_data = "rx";
}
- /* TX DMA request number, and port address configuration */
- mcbsp->dma_req[0] = res->start;
- mcbsp->dma_data[0].filter_data = &mcbsp->dma_req[0];
+
mcbsp->dma_data[0].addr = omap_mcbsp_dma_reg_params(mcbsp, 0);
mcbsp->dma_data[0].maxburst = 4;
+ mcbsp->dma_data[1].addr = omap_mcbsp_dma_reg_params(mcbsp, 1);
+ mcbsp->dma_data[1].maxburst = 4;
+
mcbsp->fclk = clk_get(&pdev->dev, "fck");
if (IS_ERR(mcbsp->fclk)) {
ret = PTR_ERR(mcbsp->fclk);
diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c
index 2ad0370146fd..4db1f8e6e172 100644
--- a/sound/soc/omap/omap-dmic.c
+++ b/sound/soc/omap/omap-dmic.c
@@ -57,7 +57,6 @@ struct omap_dmic {
struct mutex mutex;
struct snd_dmaengine_dai_dma_data dma_data;
- unsigned int dma_req;
};
static inline void omap_dmic_write(struct omap_dmic *dmic, u16 reg, u32 val)
@@ -478,15 +477,7 @@ static int asoc_dmic_probe(struct platform_device *pdev)
}
dmic->dma_data.addr = res->start + OMAP_DMIC_DATA_REG;
- res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!res) {
- dev_err(dmic->dev, "invalid dma resource\n");
- ret = -ENODEV;
- goto err_put_clk;
- }
-
- dmic->dma_req = res->start;
- dmic->dma_data.filter_data = &dmic->dma_req;
+ dmic->dma_data.filter_data = "up_link";
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
if (!res) {
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index eb05c7ed6d05..a49dc52f8abc 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -66,7 +66,6 @@ struct omap_mcpdm {
bool restart;
struct snd_dmaengine_dai_dma_data dma_data[2];
- unsigned int dma_req[2];
};
/*
@@ -477,19 +476,8 @@ static int asoc_mcpdm_probe(struct platform_device *pdev)
mcpdm->dma_data[0].addr = res->start + MCPDM_REG_DN_DATA;
mcpdm->dma_data[1].addr = res->start + MCPDM_REG_UP_DATA;
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "dn_link");
- if (!res)
- return -ENODEV;
-
- mcpdm->dma_req[0] = res->start;
- mcpdm->dma_data[0].filter_data = &mcpdm->dma_req[0];
-
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "up_link");
- if (!res)
- return -ENODEV;
-
- mcpdm->dma_req[1] = res->start;
- mcpdm->dma_data[1].filter_data = &mcpdm->dma_req[1];
+ mcpdm->dma_data[0].filter_data = "dn_link";
+ mcpdm->dma_data[1].filter_data = "up_link";
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
if (res == NULL)
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index c28e042f2208..a11405de86e8 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -113,14 +113,25 @@ static int omap_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_dmaengine_dai_dma_data *dma_data;
+ int ret;
snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware);
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- return snd_dmaengine_pcm_open_request_chan(substream,
- omap_dma_filter_fn,
- dma_data->filter_data);
+ /* DT boot: filter_data is the DMA name */
+ if (rtd->cpu_dai->dev->of_node) {
+ struct dma_chan *chan;
+
+ chan = dma_request_slave_channel(rtd->cpu_dai->dev,
+ dma_data->filter_data);
+ ret = snd_dmaengine_pcm_open(substream, chan);
+ } else {
+ ret = snd_dmaengine_pcm_open_request_chan(substream,
+ omap_dma_filter_fn,
+ dma_data->filter_data);
+ }
+ return ret;
}
static int omap_pcm_mmap(struct snd_pcm_substream *substream,