int tegra_pcm_platform_register_with_chan_names(struct device *dev,
struct snd_dmaengine_pcm_config *config,
char *txdmachan, char *rxdmachan)
{
*config = tegra_dmaengine_pcm_config;
config->dma_dev = dev->parent;
config->chan_names[0] = txdmachan;
config->chan_names[1] = rxdmachan;
return snd_dmaengine_pcm_register(dev, config, 0);
}
static int rt5350_pcm_dev_probe(struct platform_device *pdev)
{
struct rt5350_pcm *pcm;
int ret;
snd_dmaengine_pcm_register(&pdev->dev,
&rt5350_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_COMPAT);
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!pcm->mem) {
ret = -ENOENT;
goto err_free;
}
pcm->mem = request_mem_region(pcm->mem->start, resource_size(pcm->mem),
pdev->name);
if (!pcm->mem) {
ret = -EBUSY;
goto err_free;
}
pcm->base = ioremap_nocache(pcm->mem->start, resource_size(pcm->mem));
if (!pcm->base) {
ret = -EBUSY;
goto err_release_mem_region;
}
pcm->phys_base = pcm->mem->start;
platform_set_drvdata(pdev, pcm);
ret = snd_soc_register_component(&pdev->dev, &rt5350_pcm_component,
&rt5350_pcm_dai, 1);
if (!ret) {
dev_err(&pdev->dev, "loaded\n");
return ret;
}
dev_err(&pdev->dev, "Failed to register DAI\n");
iounmap(pcm->base);
err_release_mem_region:
release_mem_region(pcm->mem->start, resource_size(pcm->mem));
err_free:
kfree(pcm);
return ret;
}
int ux500_pcm_register_platform(struct platform_device *pdev)
{
int ret;
ret = snd_dmaengine_pcm_register(&pdev->dev,
&ux500_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
SND_DMAENGINE_PCM_FLAG_COMPAT |
SND_DMAENGINE_PCM_FLAG_NO_DT);
if (ret < 0) {
dev_err(&pdev->dev,
"%s: ERROR: Failed to register platform '%s' (%d)!\n",
__func__, pdev->name, ret);
return ret;
}
return 0;
}
/**
* devm_snd_dmaengine_pcm_register - resource managed dmaengine PCM registration
* @dev: The parent device for the PCM device
* @config: Platform specific PCM configuration
* @flags: Platform specific quirks
*
* Register a dmaengine based PCM device with automatic unregistration when the
* device is unregistered.
*/
int devm_snd_dmaengine_pcm_register(struct device *dev,
const struct snd_dmaengine_pcm_config *config, unsigned int flags)
{
struct device **ptr;
int ret;
ptr = devres_alloc(devm_dmaengine_pcm_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return -ENOMEM;
ret = snd_dmaengine_pcm_register(dev, config, flags);
if (ret == 0) {
*ptr = dev;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
return ret;
}
static int rockchip_i2s_probe(struct platform_device *pdev)
{
struct rk_i2s_dev *i2s;
struct resource *res;
void __iomem *regs;
int ret;
i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
if (!i2s) {
dev_err(&pdev->dev, "Can't allocate rk_i2s_dev\n");
return -ENOMEM;
}
/* try to prepare related clocks */
i2s->hclk = devm_clk_get(&pdev->dev, "i2s_hclk");
if (IS_ERR(i2s->hclk)) {
dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n");
return PTR_ERR(i2s->hclk);
}
i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk");
if (IS_ERR(i2s->mclk)) {
dev_err(&pdev->dev, "Can't retrieve i2s master clock\n");
return PTR_ERR(i2s->mclk);
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(regs))
return PTR_ERR(regs);
i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
&rockchip_i2s_regmap_config);
if (IS_ERR(i2s->regmap)) {
dev_err(&pdev->dev,
"Failed to initialise managed register map\n");
return PTR_ERR(i2s->regmap);
}
i2s->playback_dma_data.addr = res->start + I2S_TXDR;
i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
i2s->playback_dma_data.maxburst = 16;
i2s->capture_dma_data.addr = res->start + I2S_RXDR;
i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
i2s->capture_dma_data.maxburst = 16;
i2s->dev = &pdev->dev;
dev_set_drvdata(&pdev->dev, i2s);
pm_runtime_enable(&pdev->dev);
if (!pm_runtime_enabled(&pdev->dev)) {
ret = i2s_runtime_resume(&pdev->dev);
if (ret)
goto err_pm_disable;
}
ret = devm_snd_soc_register_component(&pdev->dev,
&rockchip_i2s_component,
&rockchip_i2s_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI\n");
goto err_suspend;
}
ret = snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
if (ret) {
dev_err(&pdev->dev, "Could not register PCM\n");
goto err_pcm_register;
}
return 0;
err_pcm_register:
snd_dmaengine_pcm_unregister(&pdev->dev);
err_suspend:
if (!pm_runtime_status_suspended(&pdev->dev))
i2s_runtime_suspend(&pdev->dev);
err_pm_disable:
pm_runtime_disable(&pdev->dev);
return ret;
}
int tegra_pcm_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &tegra_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_DT |
SND_DMAENGINE_PCM_FLAG_COMPAT);
}
int atmel_pcm_dma_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &atmel_dmaengine_pcm_config, 0);
}
int atmel_pcm_dma_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &atmel_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE);
}
int mxs_pcm_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &mxs_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX);
}
int tegra_pcm_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &tegra_dmaengine_pcm_config, 0);
}
int rockchip_pcm_platform_register(struct device *dev)
{
return snd_dmaengine_pcm_register(dev, &rockchip_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_COMPAT|
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE);
}
