diff options
| author | Clément Péron <peron.clem@gmail.com> | 2019-05-27 23:06:23 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-28 17:54:21 +0300 |
| commit | f6a86b436b265888a0be92e29ceaf0494101e277 (patch) | |
| tree | 60c3a05dddeefd3c52f8dec276502bc4e9c337f0 /sound/soc/sunxi/sun4i-spdif.c | |
| parent | ae9cccc30f6c088dd6ead63e990407e37cd9437b (diff) | |
| download | linux-f6a86b436b265888a0be92e29ceaf0494101e277.tar.xz | |
ASoC: sun4i-spdif: Add TX fifo bit flush quirks
Allwinner H6 has a different bit to flush the TX FIFO.
Add a quirks to prepare introduction of H6 SoC.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sunxi/sun4i-spdif.c')
| -rw-r--r-- | sound/soc/sunxi/sun4i-spdif.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index b6c66a62e915..045d0cc4b62a 100644 --- a/sound/soc/sunxi/sun4i-spdif.c +++ b/sound/soc/sunxi/sun4i-spdif.c @@ -166,10 +166,12 @@ * * @reg_dac_tx_data: TX FIFO offset for DMA config. * @has_reset: SoC needs reset deasserted. + * @val_fctl_ftx: TX FIFO flush bitmask. */ struct sun4i_spdif_quirks { unsigned int reg_dac_txdata; bool has_reset; + unsigned int val_fctl_ftx; }; struct sun4i_spdif_dev { @@ -180,16 +182,19 @@ struct sun4i_spdif_dev { struct snd_soc_dai_driver cpu_dai_drv; struct regmap *regmap; struct snd_dmaengine_dai_dma_data dma_params_tx; + const struct sun4i_spdif_quirks *quirks; }; static void sun4i_spdif_configure(struct sun4i_spdif_dev *host) { + const struct sun4i_spdif_quirks *quirks = host->quirks; + /* soft reset SPDIF */ regmap_write(host->regmap, SUN4I_SPDIF_CTL, SUN4I_SPDIF_CTL_RESET); /* flush TX FIFO */ regmap_update_bits(host->regmap, SUN4I_SPDIF_FCTL, - SUN4I_SPDIF_FCTL_FTX, SUN4I_SPDIF_FCTL_FTX); + quirks->val_fctl_ftx, quirks->val_fctl_ftx); /* clear TX counter */ regmap_write(host->regmap, SUN4I_SPDIF_TXCNT, 0); @@ -418,15 +423,18 @@ static struct snd_soc_dai_driver sun4i_spdif_dai = { static const struct sun4i_spdif_quirks sun4i_a10_spdif_quirks = { .reg_dac_txdata = SUN4I_SPDIF_TXFIFO, + .val_fctl_ftx = SUN4I_SPDIF_FCTL_FTX, }; static const struct sun4i_spdif_quirks sun6i_a31_spdif_quirks = { .reg_dac_txdata = SUN4I_SPDIF_TXFIFO, + .val_fctl_ftx = SUN4I_SPDIF_FCTL_FTX, .has_reset = true, }; static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = { .reg_dac_txdata = SUN8I_SPDIF_TXFIFO, + .val_fctl_ftx = SUN4I_SPDIF_FCTL_FTX, .has_reset = true, }; @@ -507,6 +515,7 @@ static int sun4i_spdif_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to determine the quirks to use\n"); return -ENODEV; } + host->quirks = quirks; host->regmap = devm_regmap_init_mmio(&pdev->dev, base, &sun4i_spdif_regmap_config); |