Thread (43 messages) 43 messages, 6 authors, 2019-08-21

Re: [PATCH v5 11/15] ASoC: sun4i-i2s: Add support for H6 I2S

From: Code Kipper <hidden>
Date: 2019-08-14 11:09:15
Also in: alsa-devel, lkml

On Wed, 14 Aug 2019 at 09:57, Jernej Škrabec [off-list ref] wrote:
Hi!

Dne sreda, 14. avgust 2019 ob 08:08:50 CEST je codekipper@gmail.com
napisal(a):
quoted
From: Jernej Skrabec <redacted>

H6 I2S is very similar to that in H3, except it supports up to 16
channels.

Signed-off-by: Jernej Skrabec <redacted>
Your Signed-off-by is missing here and on all other patches made originally by
me.
ACK
Best regards,
Jernej
quoted
---
 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),
quoted
+
SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK,
quoted
+
SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(i2s->offset));
quoted
+     }
+
+}
+
+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),
quoted
+                                SUN50I_H6_I2S_TX_CHAN_EN_MASK,
+
SUN50I_H6_I2S_TX_CHAN_EN(channel));
quoted
+     }
+}
+
+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),
quoted
+                                SUN50I_H6_I2S_TX_CHAN_SEL_MASK,
+
SUN50I_H6_I2S_TX_CHAN_SEL(channel));
quoted
+     }
+}
+
+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);
quoted
+     }
+}
+
+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,
quoted
 };

+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),
quoted
+     .field_fmt_sr           = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6),
+     .field_fmt_bclk         = REG_FIELD(SUN4I_I2S_FMT0_REG,
7, 7),
quoted
+     .field_fmt_lrclk        = REG_FIELD(SUN4I_I2S_FMT0_REG, 19, 19),
+     .field_fmt_mode         = REG_FIELD(SUN4I_I2S_CTRL_REG, 4,
5),
quoted
+     .field_fmt_sext         = REG_FIELD(SUN4I_I2S_FMT1_REG,
4, 5),
quoted
+     .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);

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