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); }