diff options
Diffstat (limited to 'sound/soc/spear/spdif_out.c')
| -rw-r--r-- | sound/soc/spear/spdif_out.c | 74 |
1 files changed, 26 insertions, 48 deletions
diff --git a/sound/soc/spear/spdif_out.c b/sound/soc/spear/spdif_out.c index 5eac4cda2fd..19cca043e6e 100644 --- a/sound/soc/spear/spdif_out.c +++ b/sound/soc/spear/spdif_out.c @@ -18,10 +18,12 @@ #include <linux/ioport.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <sound/dmaengine_pcm.h> #include <sound/soc.h> #include <sound/spear_dma.h> #include <sound/spear_spdif.h> #include "spdif_out_regs.h" +#include "spear_pcm.h" struct spdif_out_params { u32 rate; @@ -35,6 +37,8 @@ struct spdif_out_dev { struct spdif_out_params saved_params; u32 running; void __iomem *io_base; + struct snd_dmaengine_dai_dma_data dma_params_tx; + struct snd_dmaengine_pcm_config config; }; static void spdif_out_configure(struct spdif_out_dev *host) @@ -62,8 +66,6 @@ static int spdif_out_startup(struct snd_pcm_substream *substream, if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) return -EINVAL; - snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)&host->dma_params); - ret = clk_enable(host->clk); if (ret) return ret; @@ -84,7 +86,6 @@ static void spdif_out_shutdown(struct snd_pcm_substream *substream, clk_disable(host->clk); host->running = false; - snd_soc_dai_set_dma_data(dai, substream, NULL); } static void spdif_out_clock(struct spdif_out_dev *host, u32 core_freq, @@ -212,10 +213,7 @@ static int spdif_digital_mute(struct snd_soc_dai *dai, int mute) static int spdif_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct snd_soc_card *card = codec->card; - struct snd_soc_pcm_runtime *rtd = card->rtd; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); struct spdif_out_dev *host = snd_soc_dai_get_drvdata(cpu_dai); ucontrol->value.integer.value[0] = host->saved_params.mute; @@ -225,10 +223,7 @@ static int spdif_mute_get(struct snd_kcontrol *kcontrol, static int spdif_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct snd_soc_card *card = codec->card; - struct snd_soc_pcm_runtime *rtd = card->rtd; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); struct spdif_out_dev *host = snd_soc_dai_get_drvdata(cpu_dai); if (host->saved_params.mute == ucontrol->value.integer.value[0]) @@ -243,8 +238,13 @@ static const struct snd_kcontrol_new spdif_out_controls[] = { spdif_mute_get, spdif_mute_put), }; -int spdif_soc_dai_probe(struct snd_soc_dai *dai) +static int spdif_soc_dai_probe(struct snd_soc_dai *dai) { + struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai); + + host->dma_params_tx.filter_data = &host->dma_params; + dai->playback_dma_data = &host->dma_params_tx; + return snd_soc_add_dai_controls(dai, spdif_out_controls, ARRAY_SIZE(spdif_out_controls)); } @@ -270,6 +270,10 @@ static struct snd_soc_dai_driver spdif_out_dai = { .ops = &spdif_out_dai_ops, }; +static const struct snd_soc_component_driver spdif_out_component = { + .name = "spdif-out", +}; + static int spdif_out_probe(struct platform_device *pdev) { struct spdif_out_dev *host; @@ -277,30 +281,18 @@ static int spdif_out_probe(struct platform_device *pdev) struct resource *res; int ret; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - - if (!devm_request_mem_region(&pdev->dev, res->start, - resource_size(res), pdev->name)) { - dev_warn(&pdev->dev, "Failed to get memory resourse\n"); - return -ENOENT; - } - host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); if (!host) { dev_warn(&pdev->dev, "kzalloc fail\n"); return -ENOMEM; } - host->io_base = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); - if (!host->io_base) { - dev_warn(&pdev->dev, "ioremap failed\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 = clk_get(&pdev->dev, NULL); + host->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(host->clk)) return PTR_ERR(host->clk); @@ -310,29 +302,16 @@ static int spdif_out_probe(struct platform_device *pdev) 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; - host->dma_params.filter = pdata->filter; dev_set_drvdata(&pdev->dev, host); - ret = snd_soc_register_dai(&pdev->dev, &spdif_out_dai); - if (ret != 0) { - clk_put(host->clk); + ret = devm_snd_soc_register_component(&pdev->dev, &spdif_out_component, + &spdif_out_dai, 1); + if (ret) return ret; - } - - return 0; -} -static int spdif_out_remove(struct platform_device *pdev) -{ - struct spdif_out_dev *host = dev_get_drvdata(&pdev->dev); - - snd_soc_unregister_dai(&pdev->dev); - dev_set_drvdata(&pdev->dev, NULL); - - clk_put(host->clk); - - return 0; + return devm_spear_pcm_platform_register(&pdev->dev, &host->config, + pdata->filter); } #ifdef CONFIG_PM @@ -373,7 +352,6 @@ static SIMPLE_DEV_PM_OPS(spdif_out_dev_pm_ops, spdif_out_suspend, \ static struct platform_driver spdif_out_driver = { .probe = spdif_out_probe, - .remove = spdif_out_remove, .driver = { .name = "spdif-out", .owner = THIS_MODULE, |