From: Jernej Skrabec jernej.skrabec@siol.net
H6 I2S is very similar to that in H3, except it supports up to 16 channels.
Signed-off-by: Jernej Skrabec jernej.skrabec@siol.net --- sound/soc/sunxi/sun4i-i2s.c | 148 ++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 6de3cb41aaf6..a8d98696fe7c 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -121,6 +121,21 @@ #define SUN8I_I2S_RX_CHAN_SEL_REG 0x54 #define SUN8I_I2S_RX_CHAN_MAP_REG 0x58
+/* Defines required for sun50i-h6 support */ +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK GENMASK(21, 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset) ((offset) << 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_MASK GENMASK(19, 16) +#define SUN50I_H6_I2S_TX_CHAN_SEL(chan) ((chan - 1) << 16) +#define SUN50I_H6_I2S_TX_CHAN_EN_MASK GENMASK(15, 0) +#define SUN50I_H6_I2S_TX_CHAN_EN(num_chan) (((1 << num_chan) - 1)) + +#define SUN50I_H6_I2S_TX_CHAN_MAP0_REG 0x44 +#define SUN50I_H6_I2S_TX_CHAN_MAP1_REG 0x48 + +#define SUN50I_H6_I2S_RX_CHAN_SEL_REG 0x64 +#define SUN50I_H6_I2S_RX_CHAN_MAP0_REG 0x68 +#define SUN50I_H6_I2S_RX_CHAN_MAP1_REG 0x6C + struct sun4i_i2s;
/** @@ -440,6 +455,25 @@ static void sun8i_i2s_set_rxchanoffset(const struct sun4i_i2s *i2s) SUN8I_I2S_TX_CHAN_OFFSET(i2s->offset)); }
+static void sun50i_h6_i2s_set_txchanoffset(const struct sun4i_i2s *i2s, int output) +{ + if (output >= 0 && output < 4) { + regmap_update_bits(i2s->regmap, + SUN8I_I2S_TX_CHAN_SEL_REG + (output * 4), + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(i2s->offset)); + } + +} + +static void sun50i_h6_i2s_set_rxchanoffset(const struct sun4i_i2s *i2s) +{ + regmap_update_bits(i2s->regmap, + SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(i2s->offset)); +} + static void sun8i_i2s_set_txchanen(const struct sun4i_i2s *i2s, int output, int channel) { @@ -459,6 +493,26 @@ static void sun8i_i2s_set_rxchanen(const struct sun4i_i2s *i2s, int channel) SUN8I_I2S_TX_CHAN_EN(channel)); }
+ +static void sun50i_h6_i2s_set_txchanen(const struct sun4i_i2s *i2s, int output, + int channel) +{ + if (output >= 0 && output < 4) { + regmap_update_bits(i2s->regmap, + SUN8I_I2S_TX_CHAN_SEL_REG + (output * 4), + SUN50I_H6_I2S_TX_CHAN_EN_MASK, + SUN50I_H6_I2S_TX_CHAN_EN(channel)); + } +} + +static void sun50i_h6_i2s_set_rxchanen(const struct sun4i_i2s *i2s, int channel) +{ + regmap_update_bits(i2s->regmap, + SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_EN_MASK, + SUN50I_H6_I2S_TX_CHAN_EN(channel)); +} + static void sun4i_i2s_set_txchansel(const struct sun4i_i2s *i2s, int output, int channel) { @@ -495,6 +549,25 @@ static void sun8i_i2s_set_rxchansel(const struct sun4i_i2s *i2s, int channel) SUN8I_I2S_TX_CHAN_SEL(channel)); }
+static void sun50i_h6_i2s_set_txchansel(const struct sun4i_i2s *i2s, int output, + int channel) +{ + if (output >= 0 && output < 4) { + regmap_update_bits(i2s->regmap, + SUN8I_I2S_TX_CHAN_SEL_REG + (output * 4), + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channel)); + } +} + +static void sun50i_h6_i2s_set_rxchansel(const struct sun4i_i2s *i2s, int channel) +{ + regmap_update_bits(i2s->regmap, + SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channel)); +} + static void sun4i_i2s_set_txchanmap(const struct sun4i_i2s *i2s, int output, int channel) { @@ -520,6 +593,20 @@ static void sun8i_i2s_set_rxchanmap(const struct sun4i_i2s *i2s, int channel) regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, channel); }
+static void sun50i_h6_i2s_set_txchanmap(const struct sun4i_i2s *i2s, int output, + int channel) +{ + if (output >= 0 && output < 4) { + regmap_write(i2s->regmap, + SUN50I_H6_I2S_TX_CHAN_MAP1_REG + (output * 8), channel); + } +} + +static void sun50i_h6_i2s_set_rxchanmap(const struct sun4i_i2s *i2s, int channel) +{ + regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, channel); +} + static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -996,6 +1083,22 @@ static const struct reg_default sun8i_i2s_reg_defaults[] = { { SUN8I_I2S_RX_CHAN_MAP_REG, 0x00000000 }, };
+static const struct reg_default sun50i_i2s_reg_defaults[] = { + { SUN4I_I2S_CTRL_REG, 0x00060000 }, + { SUN4I_I2S_FMT0_REG, 0x00000033 }, + { SUN4I_I2S_FMT1_REG, 0x00000030 }, + { SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 }, + { SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 }, + { SUN4I_I2S_CLK_DIV_REG, 0x00000000 }, + { SUN8I_I2S_CHAN_CFG_REG, 0x00000000 }, + { SUN8I_I2S_TX_CHAN_SEL_REG, 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP0_REG, 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP1_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_SEL_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x00000000 }, +}; + static const struct regmap_config sun4i_i2s_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -1023,6 +1126,19 @@ static const struct regmap_config sun8i_i2s_regmap_config = { .volatile_reg = sun8i_i2s_volatile_reg, };
+static const struct regmap_config sun50i_i2s_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN50I_H6_I2S_RX_CHAN_MAP1_REG, + .cache_type = REGCACHE_FLAT, + .reg_defaults = sun50i_i2s_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(sun50i_i2s_reg_defaults), + .writeable_reg = sun4i_i2s_wr_reg, + .readable_reg = sun8i_i2s_rd_reg, + .volatile_reg = sun8i_i2s_volatile_reg, +}; + static int sun4i_i2s_runtime_resume(struct device *dev) { struct sun4i_i2s *i2s = dev_get_drvdata(dev); @@ -1197,6 +1313,34 @@ static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .set_rxchanmap = sun4i_i2s_set_rxchanmap, };
+static const struct sun4i_i2s_quirks sun50i_h6_i2s_quirks = { + .has_reset = true, + .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, + .sun4i_i2s_regmap = &sun50i_i2s_regmap_config, + .has_fmt_set_lrck_period = true, + .has_chcfg = true, + .has_chsel_tx_chen = true, + .has_chsel_offset = true, + .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8), + .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2), + .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6), + .field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7), + .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 19, 19), + .field_fmt_mode = REG_FIELD(SUN4I_I2S_CTRL_REG, 4, 5), + .field_fmt_sext = REG_FIELD(SUN4I_I2S_FMT1_REG, 4, 5), + .get_sr = sun8i_i2s_get_sr_wss, + .get_wss = sun8i_i2s_get_sr_wss, + .set_format = sun8i_i2s_set_format, + .set_txchanoffset = sun50i_h6_i2s_set_txchanoffset, + .set_rxchanoffset = sun50i_h6_i2s_set_rxchanoffset, + .set_txchanen = sun50i_h6_i2s_set_txchanen, + .set_rxchanen = sun50i_h6_i2s_set_rxchanen, + .set_txchansel = sun50i_h6_i2s_set_txchansel, + .set_rxchansel = sun50i_h6_i2s_set_rxchansel, + .set_txchanmap = sun50i_h6_i2s_set_txchanmap, + .set_rxchanmap = sun50i_h6_i2s_set_rxchanmap, +}; + static int sun4i_i2s_init_regmap_fields(struct device *dev, struct sun4i_i2s *i2s) { @@ -1389,6 +1533,10 @@ static const struct of_device_id sun4i_i2s_match[] = { .compatible = "allwinner,sun50i-a64-codec-i2s", .data = &sun50i_a64_codec_i2s_quirks, }, + { + .compatible = "allwinner,sun50i-h6-i2s", + .data = &sun50i_h6_i2s_quirks, + }, {} }; MODULE_DEVICE_TABLE(of, sun4i_i2s_match);