示例#1
0
static int tegra20_spdif_platform_remove(struct platform_device *pdev)
{
	pm_runtime_disable(&pdev->dev);
	if (!pm_runtime_status_suspended(&pdev->dev))
		tegra20_spdif_runtime_suspend(&pdev->dev);

	tegra_pcm_platform_unregister(&pdev->dev);
	snd_soc_unregister_component(&pdev->dev);

	return 0;
}
示例#2
0
static int tegra20_ac97_platform_remove(struct platform_device *pdev)
{
	struct tegra20_ac97 *ac97 = dev_get_drvdata(&pdev->dev);

	tegra_pcm_platform_unregister(&pdev->dev);
	snd_soc_unregister_dai(&pdev->dev);

	tegra_asoc_utils_fini(&ac97->util_data);

	clk_disable_unprepare(ac97->clk_ac97);
	clk_put(ac97->clk_ac97);

	return 0;
}
示例#3
0
static int tegra20_i2s_platform_remove(struct platform_device *pdev)
{
	struct tegra20_i2s *i2s = dev_get_drvdata(&pdev->dev);

	pm_runtime_disable(&pdev->dev);
	if (!pm_runtime_status_suspended(&pdev->dev))
		tegra20_i2s_runtime_suspend(&pdev->dev);

	tegra_pcm_platform_unregister(&pdev->dev);
	snd_soc_unregister_component(&pdev->dev);

	clk_put(i2s->clk_i2s);

	return 0;
}
示例#4
0
static int tegra20_spdif_platform_remove(struct platform_device *pdev)
{
	struct tegra20_spdif *spdif = dev_get_drvdata(&pdev->dev);

	pm_runtime_disable(&pdev->dev);
	if (!pm_runtime_status_suspended(&pdev->dev))
		tegra20_spdif_runtime_suspend(&pdev->dev);

	tegra_pcm_platform_unregister(&pdev->dev);
	snd_soc_unregister_dai(&pdev->dev);

	clk_put(spdif->clk_spdif_out);

	return 0;
}
示例#5
0
文件: tegra30_i2s.c 项目: 3null/linux
static int tegra30_i2s_platform_remove(struct platform_device *pdev)
{
	struct tegra30_i2s *i2s = dev_get_drvdata(&pdev->dev);

	pm_runtime_disable(&pdev->dev);
	if (!pm_runtime_status_suspended(&pdev->dev))
		tegra30_i2s_runtime_suspend(&pdev->dev);

	tegra_pcm_platform_unregister(&pdev->dev);
	snd_soc_unregister_component(&pdev->dev);

	tegra30_ahub_unset_rx_cif_source(i2s->capture_fifo_cif);
	tegra30_ahub_free_rx_fifo(i2s->capture_fifo_cif);

	tegra30_ahub_unset_rx_cif_source(i2s->playback_i2s_cif);
	tegra30_ahub_free_tx_fifo(i2s->playback_fifo_cif);

	clk_put(i2s->clk_i2s);

	return 0;
}
示例#6
0
static int tegra_soc_platform_remove(struct platform_device *pdev)
{
	pr_info("tegra_soc_platform_remove");
	tegra_pcm_platform_unregister(&pdev->dev);
	return 0;
}
示例#7
0
static int tegra20_ac97_platform_probe(struct platform_device *pdev)
{
	struct tegra20_ac97 *ac97;
	struct resource *mem, *memregion;
	u32 of_dma[2];
	void __iomem *regs;
	int ret = 0;

	ac97 = devm_kzalloc(&pdev->dev, sizeof(struct tegra20_ac97),
			    GFP_KERNEL);
	if (!ac97) {
		dev_err(&pdev->dev, "Can't allocate tegra20_ac97\n");
		ret = -ENOMEM;
		goto err;
	}
	dev_set_drvdata(&pdev->dev, ac97);

	ac97->clk_ac97 = clk_get(&pdev->dev, NULL);
	if (IS_ERR(ac97->clk_ac97)) {
		dev_err(&pdev->dev, "Can't retrieve ac97 clock\n");
		ret = PTR_ERR(ac97->clk_ac97);
		goto err;
	}

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!mem) {
		dev_err(&pdev->dev, "No memory resource\n");
		ret = -ENODEV;
		goto err_clk_put;
	}

	memregion = devm_request_mem_region(&pdev->dev, mem->start,
					    resource_size(mem), DRV_NAME);
	if (!memregion) {
		dev_err(&pdev->dev, "Memory region already claimed\n");
		ret = -EBUSY;
		goto err_clk_put;
	}

	regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
	if (!regs) {
		dev_err(&pdev->dev, "ioremap failed\n");
		ret = -ENOMEM;
		goto err_clk_put;
	}

	ac97->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
					    &tegra20_ac97_regmap_config);
	if (IS_ERR(ac97->regmap)) {
		dev_err(&pdev->dev, "regmap init failed\n");
		ret = PTR_ERR(ac97->regmap);
		goto err_clk_put;
	}

	if (of_property_read_u32_array(pdev->dev.of_node,
				       "nvidia,dma-request-selector",
				       of_dma, 2) < 0) {
		dev_err(&pdev->dev, "No DMA resource\n");
		ret = -ENODEV;
		goto err_clk_put;
	}

	ac97->reset_gpio = of_get_named_gpio(pdev->dev.of_node,
					     "nvidia,codec-reset-gpio", 0);
	if (gpio_is_valid(ac97->reset_gpio)) {
		ret = devm_gpio_request_one(&pdev->dev, ac97->reset_gpio,
					    GPIOF_OUT_INIT_HIGH, "codec-reset");
		if (ret) {
			dev_err(&pdev->dev, "could not get codec-reset GPIO\n");
			goto err_clk_put;
		}
	} else {
		dev_err(&pdev->dev, "no codec-reset GPIO supplied\n");
		goto err_clk_put;
	}

	ac97->sync_gpio = of_get_named_gpio(pdev->dev.of_node,
					    "nvidia,codec-sync-gpio", 0);
	if (!gpio_is_valid(ac97->sync_gpio)) {
		dev_err(&pdev->dev, "no codec-sync GPIO supplied\n");
		goto err_clk_put;
	}

	ac97->capture_dma_data.addr = mem->start + TEGRA20_AC97_FIFO_RX1;
	ac97->capture_dma_data.wrap = 4;
	ac97->capture_dma_data.width = 32;
	ac97->capture_dma_data.req_sel = of_dma[1];

	ac97->playback_dma_data.addr = mem->start + TEGRA20_AC97_FIFO_TX1;
	ac97->playback_dma_data.wrap = 4;
	ac97->playback_dma_data.width = 32;
	ac97->playback_dma_data.req_sel = of_dma[1];

	ret = snd_soc_register_dais(&pdev->dev, &tegra20_ac97_dai, 1);
	if (ret) {
		dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
		ret = -ENOMEM;
		goto err_clk_put;
	}

	ret = tegra_pcm_platform_register(&pdev->dev);
	if (ret) {
		dev_err(&pdev->dev, "Could not register PCM: %d\n", ret);
		goto err_unregister_dai;
	}

	ret = tegra_asoc_utils_init(&ac97->util_data, &pdev->dev);
	if (ret)
		goto err_unregister_pcm;

	ret = tegra_asoc_utils_set_ac97_rate(&ac97->util_data);
	if (ret)
		goto err_asoc_utils_fini;

	ret = clk_prepare_enable(ac97->clk_ac97);
	if (ret) {
		dev_err(&pdev->dev, "clk_enable failed: %d\n", ret);
		goto err_asoc_utils_fini;
	}

	/* XXX: crufty ASoC AC97 API - only one AC97 codec allowed */
	workdata = ac97;

	return 0;

err_asoc_utils_fini:
	tegra_asoc_utils_fini(&ac97->util_data);
err_unregister_pcm:
	tegra_pcm_platform_unregister(&pdev->dev);
err_unregister_dai:
	snd_soc_unregister_dai(&pdev->dev);
err_clk_put:
	clk_put(ac97->clk_ac97);
err:
	return ret;
}