diff options
Diffstat (limited to 'sound/soc/sunxi/sun4i-spdif.c')
-rw-r--r-- | sound/soc/sunxi/sun4i-spdif.c | 60 |
1 files changed, 41 insertions, 19 deletions
diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index 88fbb3a..eaefd07 100644 --- a/sound/soc/sunxi/sun4i-spdif.c +++ b/sound/soc/sunxi/sun4i-spdif.c @@ -103,6 +103,8 @@ #define SUN4I_SPDIF_ISTA_RXOSTA BIT(1) #define SUN4I_SPDIF_ISTA_RXASTA BIT(0) +#define SUN8I_SPDIF_TXFIFO (0x20) + #define SUN4I_SPDIF_TXCNT (0x24) #define SUN4I_SPDIF_RXCNT (0x28) @@ -403,17 +405,38 @@ static struct snd_soc_dai_driver sun4i_spdif_dai = { .name = "spdif", }; -static const struct snd_soc_dapm_widget dit_widgets[] = { - SND_SOC_DAPM_OUTPUT("spdif-out"), +struct sun4i_spdif_quirks { + unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */ + bool has_reset; +}; + +static const struct sun4i_spdif_quirks sun4i_a10_spdif_quirks = { + .reg_dac_txdata = SUN4I_SPDIF_TXFIFO, }; -static const struct snd_soc_dapm_route dit_routes[] = { - { "spdif-out", NULL, "Playback" }, +static const struct sun4i_spdif_quirks sun6i_a31_spdif_quirks = { + .reg_dac_txdata = SUN4I_SPDIF_TXFIFO, + .has_reset = true, +}; + +static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = { + .reg_dac_txdata = SUN8I_SPDIF_TXFIFO, + .has_reset = true, }; static const struct of_device_id sun4i_spdif_of_match[] = { - { .compatible = "allwinner,sun4i-a10-spdif", }, - { .compatible = "allwinner,sun6i-a31-spdif", }, + { + .compatible = "allwinner,sun4i-a10-spdif", + .data = &sun4i_a10_spdif_quirks, + }, + { + .compatible = "allwinner,sun6i-a31-spdif", + .data = &sun6i_a31_spdif_quirks, + }, + { + .compatible = "allwinner,sun8i-h3-spdif", + .data = &sun8i_h3_spdif_quirks, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sun4i_spdif_of_match); @@ -446,6 +469,7 @@ static int sun4i_spdif_probe(struct platform_device *pdev) { struct sun4i_spdif_dev *host; struct resource *res; + const struct sun4i_spdif_quirks *quirks; int ret; void __iomem *base; @@ -467,6 +491,12 @@ static int sun4i_spdif_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); + quirks = of_device_get_match_data(&pdev->dev); + if (quirks == NULL) { + dev_err(&pdev->dev, "Failed to determine the quirks to use\n"); + return -ENODEV; + } + host->regmap = devm_regmap_init_mmio(&pdev->dev, base, &sun4i_spdif_regmap_config); @@ -480,23 +510,21 @@ static int sun4i_spdif_probe(struct platform_device *pdev) host->spdif_clk = devm_clk_get(&pdev->dev, "spdif"); if (IS_ERR(host->spdif_clk)) { dev_err(&pdev->dev, "failed to get a spdif clock.\n"); - ret = PTR_ERR(host->spdif_clk); - goto err_disable_apb_clk; + return PTR_ERR(host->spdif_clk); } - host->dma_params_tx.addr = res->start + SUN4I_SPDIF_TXFIFO; + host->dma_params_tx.addr = res->start + quirks->reg_dac_txdata; host->dma_params_tx.maxburst = 8; host->dma_params_tx.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; platform_set_drvdata(pdev, host); - if (of_device_is_compatible(pdev->dev.of_node, - "allwinner,sun6i-a31-spdif")) { + if (quirks->has_reset) { host->rst = devm_reset_control_get_optional(&pdev->dev, NULL); if (IS_ERR(host->rst) && PTR_ERR(host->rst) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; dev_err(&pdev->dev, "Failed to get reset: %d\n", ret); - goto err_disable_apb_clk; + return ret; } if (!IS_ERR(host->rst)) reset_control_deassert(host->rst); @@ -505,7 +533,7 @@ static int sun4i_spdif_probe(struct platform_device *pdev) ret = devm_snd_soc_register_component(&pdev->dev, &sun4i_spdif_component, &sun4i_spdif_dai, 1); if (ret) - goto err_disable_apb_clk; + return ret; pm_runtime_enable(&pdev->dev); if (!pm_runtime_enabled(&pdev->dev)) { @@ -523,9 +551,6 @@ err_suspend: sun4i_spdif_runtime_suspend(&pdev->dev); err_unregister: pm_runtime_disable(&pdev->dev); - snd_soc_unregister_component(&pdev->dev); -err_disable_apb_clk: - clk_disable_unprepare(host->apb_clk); return ret; } @@ -535,9 +560,6 @@ static int sun4i_spdif_remove(struct platform_device *pdev) if (!pm_runtime_status_suspended(&pdev->dev)) sun4i_spdif_runtime_suspend(&pdev->dev); - snd_soc_unregister_platform(&pdev->dev); - snd_soc_unregister_component(&pdev->dev); - return 0; } |