static int spdif_out_probe(struct platform_device *pdev)
{
struct spdif_out_dev *host;
struct spear_spdif_platform_data *pdata;
struct resource *res;
int ret;
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
if (!host) {
dev_warn(&pdev->dev, "kzalloc fail\n");
return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->io_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(host->io_base))
return PTR_ERR(host->io_base);
host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk))
return PTR_ERR(host->clk);
pdata = dev_get_platdata(&pdev->dev);
host->dma_params.data = pdata->dma_params;
host->dma_params.addr = res->start + SPDIF_OUT_FIFO_DATA;
host->dma_params.max_burst = 16;
host->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
dev_set_drvdata(&pdev->dev, host);
ret = devm_snd_soc_register_component(&pdev->dev, &spdif_out_component,
&spdif_out_dai, 1);
if (ret)
return ret;
return devm_spear_pcm_platform_register(&pdev->dev, &host->config,
pdata->filter);
}
static int spdif_in_probe(struct platform_device *pdev)
{
struct spdif_in_dev *host;
struct spear_spdif_platform_data *pdata;
struct resource *res, *res_fifo;
void __iomem *io_base;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
io_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(io_base))
return PTR_ERR(io_base);
res_fifo = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res_fifo)
return -EINVAL;
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
if (!host)
return -ENOMEM;
host->io_base = io_base;
host->irq = platform_get_irq(pdev, 0);
if (host->irq < 0) {
dev_warn(&pdev->dev, "failed to get IRQ: %d\n", host->irq);
return host->irq;
}
host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk))
return PTR_ERR(host->clk);
pdata = dev_get_platdata(&pdev->dev);
if (!pdata)
return -EINVAL;
host->dma_params.data = pdata->dma_params;
host->dma_params.addr = res_fifo->start;
host->dma_params.max_burst = 16;
host->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
host->reset_perip = pdata->reset_perip;
host->dev = &pdev->dev;
dev_set_drvdata(&pdev->dev, host);
ret = devm_request_irq(&pdev->dev, host->irq, spdif_in_irq, 0,
"spdif-in", host);
if (ret) {
dev_warn(&pdev->dev, "request_irq failed\n");
return ret;
}
ret = devm_snd_soc_register_component(&pdev->dev, &spdif_in_component,
&spdif_in_dai, 1);
if (ret)
return ret;
return devm_spear_pcm_platform_register(&pdev->dev, &host->config,
pdata->filter);
}
