Switch usage to regmap field for bits handled by the g12a_toacodec_mux_put_enum() function to avoid uselesss code duplication when adding SM1 variant support.

Signed-off-by: Neil Armstrong narmstrong@baylibre.com --- sound/soc/meson/g12a-toacodec.c | 80 +++++++++++++++++++++++++-------- 1 file changed, 62 insertions(+), 18 deletions(-)

diff --git a/sound/soc/meson/g12a-toacodec.c b/sound/soc/meson/g12a-toacodec.c index 9339fabccb79..2084c9542c9c 100644 --- a/sound/soc/meson/g12a-toacodec.c +++ b/sound/soc/meson/g12a-toacodec.c @@ -21,17 +21,31 @@

#define TOACODEC_CTRL0 0x0 #define CTRL0_ENABLE_SHIFT 31 -#define CTRL0_DAT_SEL_SHIFT 14 -#define CTRL0_DAT_SEL (0x3 << CTRL0_DAT_SEL_SHIFT) +#define CTRL0_DAT_SEL_MSB 15 +#define CTRL0_DAT_SEL_LSB 14 #define CTRL0_LANE_SEL 12 -#define CTRL0_LRCLK_SEL GENMASK(9, 8) +#define CTRL0_LRCLK_SEL_MSB 9 +#define CTRL0_LRCLK_SEL_LSB 8 #define CTRL0_BLK_CAP_INV BIT(7) #define CTRL0_BCLK_O_INV BIT(6) -#define CTRL0_BCLK_SEL GENMASK(5, 4) +#define CTRL0_BCLK_SEL_MSB 5 +#define CTRL0_BCLK_SEL_LSB 4 #define CTRL0_MCLK_SEL GENMASK(2, 0)

#define TOACODEC_OUT_CHMAX 2

+struct g12a_toacodec { + struct regmap_field *field_dat_sel; + struct regmap_field *field_lrclk_sel; + struct regmap_field *field_bclk_sel; +}; + +struct g12a_toacodec_match_data { + struct reg_field field_dat_sel; + struct reg_field field_lrclk_sel; + struct reg_field field_bclk_sel; +}; + static const char * const g12a_toacodec_mux_texts[] = { "I2S A", "I2S B", "I2S C", }; @@ -41,29 +55,24 @@ static int g12a_toacodec_mux_put_enum(struct snd_kcontrol *kcontrol, { struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); + struct g12a_toacodec *priv = snd_soc_component_get_drvdata(component); struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - unsigned int mux, changed; + unsigned int mux, reg;

mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]); - changed = snd_soc_component_test_bits(component, e->reg, - CTRL0_DAT_SEL, - FIELD_PREP(CTRL0_DAT_SEL, mux)); + regmap_field_read(priv->field_dat_sel, &reg);

- if (!changed) + if (mux == reg) return 0;

/* Force disconnect of the mux while updating */ snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);

- snd_soc_component_update_bits(component, e->reg, - CTRL0_DAT_SEL | - CTRL0_LRCLK_SEL | - CTRL0_BCLK_SEL, - FIELD_PREP(CTRL0_DAT_SEL, mux) | - FIELD_PREP(CTRL0_LRCLK_SEL, mux) | - FIELD_PREP(CTRL0_BCLK_SEL, mux)); + regmap_field_write(priv->field_dat_sel, mux); + regmap_field_write(priv->field_lrclk_sel, mux); + regmap_field_write(priv->field_bclk_sel, mux);

/* * FIXME: @@ -86,7 +95,7 @@ static int g12a_toacodec_mux_put_enum(struct snd_kcontrol *kcontrol, }

static SOC_ENUM_SINGLE_DECL(g12a_toacodec_mux_enum, TOACODEC_CTRL0, - CTRL0_DAT_SEL_SHIFT, + CTRL0_DAT_SEL_LSB, g12a_toacodec_mux_texts);

static const struct snd_kcontrol_new g12a_toacodec_mux = @@ -205,19 +214,42 @@ static const struct regmap_config g12a_toacodec_regmap_cfg = { .reg_stride = 4, };

+static const struct g12a_toacodec_match_data g12a_toacodec_match_data = { + .field_dat_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_DAT_SEL_LSB, CTRL0_DAT_SEL_MSB), + .field_lrclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_LRCLK_SEL_LSB, CTRL0_LRCLK_SEL_MSB), + .field_bclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_BCLK_SEL_LSB, CTRL0_BCLK_SEL_MSB), +}; + static const struct of_device_id g12a_toacodec_of_match[] = { - { .compatible = "amlogic,g12a-toacodec", }, + { + .compatible = "amlogic,g12a-toacodec", + .data = &g12a_toacodec_match_data, + }, {} }; MODULE_DEVICE_TABLE(of, g12a_toacodec_of_match);

static int g12a_toacodec_probe(struct platform_device *pdev) { + const struct g12a_toacodec_match_data *data; struct device *dev = &pdev->dev; + struct g12a_toacodec *priv; void __iomem *regs; struct regmap *map; int ret;

+ data = device_get_match_data(dev); + if (!data) { + dev_err(dev, "failed to match device\n"); + return -ENODEV; + } + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + platform_set_drvdata(pdev, priv); + ret = device_reset(dev); if (ret) return ret; @@ -233,6 +265,18 @@ static int g12a_toacodec_probe(struct platform_device *pdev) return PTR_ERR(map); }

+ priv->field_dat_sel = devm_regmap_field_alloc(dev, map, data->field_dat_sel); + if (IS_ERR(priv->field_dat_sel)) + return PTR_ERR(priv->field_dat_sel); + + priv->field_lrclk_sel = devm_regmap_field_alloc(dev, map, data->field_lrclk_sel); + if (IS_ERR(priv->field_lrclk_sel)) + return PTR_ERR(priv->field_lrclk_sel); + + priv->field_bclk_sel = devm_regmap_field_alloc(dev, map, data->field_bclk_sel); + if (IS_ERR(priv->field_bclk_sel)) + return PTR_ERR(priv->field_bclk_sel); + return devm_snd_soc_register_component(dev, &g12a_toacodec_component_drv, g12a_toacodec_dai_drv, ARRAY_SIZE(g12a_toacodec_dai_drv));

This adds support for the TOACODEC found in Amlogic SM1 SoCs.

The bits are shifted for more selection of clock sources, so this only maps the same support for G12A to the SM1 bits.

Signed-off-by: Neil Armstrong narmstrong@baylibre.com --- sound/soc/meson/g12a-toacodec.c | 64 ++++++++++++++++++++++++++++++++- 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/sound/soc/meson/g12a-toacodec.c b/sound/soc/meson/g12a-toacodec.c index 2084c9542c9c..5437ecba9c47 100644 --- a/sound/soc/meson/g12a-toacodec.c +++ b/sound/soc/meson/g12a-toacodec.c @@ -21,13 +21,22 @@

#define TOACODEC_CTRL0 0x0 #define CTRL0_ENABLE_SHIFT 31 +#define CTRL0_DAT_SEL_SM1_MSB 19 +#define CTRL0_DAT_SEL_SM1_LSB 18 #define CTRL0_DAT_SEL_MSB 15 #define CTRL0_DAT_SEL_LSB 14 +#define CTRL0_LANE_SEL_SM1 16 #define CTRL0_LANE_SEL 12 +#define CTRL0_LRCLK_SEL_SM1_MSB 14 +#define CTRL0_LRCLK_SEL_SM1_LSB 12 #define CTRL0_LRCLK_SEL_MSB 9 #define CTRL0_LRCLK_SEL_LSB 8 +#define CTRL0_LRCLK_INV_SM1 BIT(10) +#define CTRL0_BLK_CAP_INV_SM1 BIT(9) #define CTRL0_BLK_CAP_INV BIT(7) +#define CTRL0_BCLK_O_INV_SM1 BIT(8) #define CTRL0_BCLK_O_INV BIT(6) +#define CTRL0_BCLK_SEL_SM1_MSB 6 #define CTRL0_BCLK_SEL_MSB 5 #define CTRL0_BCLK_SEL_LSB 4 #define CTRL0_MCLK_SEL GENMASK(2, 0) @@ -41,6 +50,7 @@ struct g12a_toacodec { };

struct g12a_toacodec_match_data { + const struct snd_soc_component_driver *component_drv; struct reg_field field_dat_sel; struct reg_field field_lrclk_sel; struct reg_field field_bclk_sel; @@ -98,11 +108,20 @@ static SOC_ENUM_SINGLE_DECL(g12a_toacodec_mux_enum, TOACODEC_CTRL0, CTRL0_DAT_SEL_LSB, g12a_toacodec_mux_texts);

+static SOC_ENUM_SINGLE_DECL(sm1_toacodec_mux_enum, TOACODEC_CTRL0, + CTRL0_DAT_SEL_SM1_LSB, + g12a_toacodec_mux_texts); + static const struct snd_kcontrol_new g12a_toacodec_mux = SOC_DAPM_ENUM_EXT("Source", g12a_toacodec_mux_enum, snd_soc_dapm_get_enum_double, g12a_toacodec_mux_put_enum);

+static const struct snd_kcontrol_new sm1_toacodec_mux = + SOC_DAPM_ENUM_EXT("Source", sm1_toacodec_mux_enum, + snd_soc_dapm_get_enum_double, + g12a_toacodec_mux_put_enum); + static const struct snd_kcontrol_new g12a_toacodec_out_enable = SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOACODEC_CTRL0, CTRL0_ENABLE_SHIFT, 1, 0); @@ -114,6 +133,13 @@ static const struct snd_soc_dapm_widget g12a_toacodec_widgets[] = { &g12a_toacodec_out_enable), };

+static const struct snd_soc_dapm_widget sm1_toacodec_widgets[] = { + SND_SOC_DAPM_MUX("SRC", SND_SOC_NOPM, 0, 0, + &sm1_toacodec_mux), + SND_SOC_DAPM_SWITCH("OUT EN", SND_SOC_NOPM, 0, 0, + &g12a_toacodec_out_enable), +}; + static int g12a_toacodec_input_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -184,6 +210,13 @@ static int g12a_toacodec_component_probe(struct snd_soc_component *c) CTRL0_BLK_CAP_INV); }

+static int sm1_toacodec_component_probe(struct snd_soc_component *c) +{ + /* Initialize the static clock parameters */ + return snd_soc_component_write(c, TOACODEC_CTRL0, + CTRL0_BLK_CAP_INV_SM1); +} + static const struct snd_soc_dapm_route g12a_toacodec_routes[] = { { "SRC", "I2S A", "IN A Playback" }, { "SRC", "I2S B", "IN B Playback" }, @@ -196,6 +229,10 @@ static const struct snd_kcontrol_new g12a_toacodec_controls[] = { SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL, 3, 0), };

+static const struct snd_kcontrol_new sm1_toacodec_controls[] = { + SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL_SM1, 3, 0), +}; + static const struct snd_soc_component_driver g12a_toacodec_component_drv = { .probe = g12a_toacodec_component_probe, .controls = g12a_toacodec_controls, @@ -208,6 +245,18 @@ static const struct snd_soc_component_driver g12a_toacodec_component_drv = { .non_legacy_dai_naming = 1, };

+static const struct snd_soc_component_driver sm1_toacodec_component_drv = { + .probe = sm1_toacodec_component_probe, + .controls = sm1_toacodec_controls, + .num_controls = ARRAY_SIZE(sm1_toacodec_controls), + .dapm_widgets = sm1_toacodec_widgets, + .num_dapm_widgets = ARRAY_SIZE(sm1_toacodec_widgets), + .dapm_routes = g12a_toacodec_routes, + .num_dapm_routes = ARRAY_SIZE(g12a_toacodec_routes), + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + static const struct regmap_config g12a_toacodec_regmap_cfg = { .reg_bits = 32, .val_bits = 32, @@ -215,16 +264,29 @@ static const struct regmap_config g12a_toacodec_regmap_cfg = { };

static const struct g12a_toacodec_match_data g12a_toacodec_match_data = { + .component_drv = &g12a_toacodec_component_drv, .field_dat_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_DAT_SEL_LSB, CTRL0_DAT_SEL_MSB), .field_lrclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_LRCLK_SEL_LSB, CTRL0_LRCLK_SEL_MSB), .field_bclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_BCLK_SEL_LSB, CTRL0_BCLK_SEL_MSB), };

+static const struct g12a_toacodec_match_data sm1_toacodec_match_data = { + .component_drv = &sm1_toacodec_component_drv, + .field_dat_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_DAT_SEL_SM1_LSB, CTRL0_DAT_SEL_SM1_MSB), + .field_lrclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_LRCLK_SEL_SM1_LSB, + CTRL0_LRCLK_SEL_SM1_MSB), + .field_bclk_sel = REG_FIELD(TOACODEC_CTRL0, CTRL0_BCLK_SEL_LSB, CTRL0_BCLK_SEL_SM1_MSB), +}; + static const struct of_device_id g12a_toacodec_of_match[] = { { .compatible = "amlogic,g12a-toacodec", .data = &g12a_toacodec_match_data, }, + { + .compatible = "amlogic,sm1-toacodec", + .data = &sm1_toacodec_match_data, + }, {} }; MODULE_DEVICE_TABLE(of, g12a_toacodec_of_match); @@ -278,7 +340,7 @@ static int g12a_toacodec_probe(struct platform_device *pdev) return PTR_ERR(priv->field_bclk_sel);

return devm_snd_soc_register_component(dev, - &g12a_toacodec_component_drv, g12a_toacodec_dai_drv, + data->component_drv, g12a_toacodec_dai_drv, ARRAY_SIZE(g12a_toacodec_dai_drv)); }