diff options
| -rw-r--r-- | sound/soc/codecs/rt5645.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 65ea712..f046bb8 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -42,6 +42,8 @@ #define RT5645_PR_BASE (RT5645_PR_RANGE_BASE + (0 * RT5645_PR_SPACING)) +#define RT5645_HWEQ_NUM 57 + static const struct regmap_range_cfg rt5645_ranges[] = { { .name = "PR", @@ -224,6 +226,11 @@ static const struct reg_default rt5645_reg[] = { { 0xff, 0x6308 }, }; +struct rt5645_eq_param_s { + unsigned short reg; + unsigned short val; +}; + static const char *const rt5645_supply_names[] = { "avdd", "cpvdd", @@ -240,6 +247,7 @@ struct rt5645_priv { struct snd_soc_jack *btn_jack; struct delayed_work jack_detect_work; struct regulator_bulk_data supplies[ARRAY_SIZE(rt5645_supply_names)]; + struct rt5645_eq_param_s *eq_param; int codec_type; int sysclk; @@ -477,6 +485,86 @@ static const DECLARE_TLV_DB_RANGE(spk_clsd_tlv, 7, 7, TLV_DB_SCALE_ITEM(228, 0, 0) ); +static int rt5645_hweq_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; + uinfo->count = RT5645_HWEQ_NUM * sizeof(struct rt5645_eq_param_s); + + return 0; +} + +static int rt5645_hweq_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt5645_priv *rt5645 = snd_soc_component_get_drvdata(component); + struct rt5645_eq_param_s *eq_param = + (struct rt5645_eq_param_s *)ucontrol->value.bytes.data; + int i; + + for (i = 0; i < RT5645_HWEQ_NUM; i++) { + eq_param[i].reg = cpu_to_be16(rt5645->eq_param[i].reg); + eq_param[i].val = cpu_to_be16(rt5645->eq_param[i].val); + } + + return 0; +} + +static bool rt5645_validate_hweq(unsigned short reg) +{ + if ((reg >= 0x1a4 && reg <= 0x1cd) | (reg >= 0x1e5 && reg <= 0x1f8) | + (reg == RT5645_EQ_CTRL2)) + return true; + + return false; +} + +static int rt5645_hweq_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt5645_priv *rt5645 = snd_soc_component_get_drvdata(component); + struct rt5645_eq_param_s *eq_param = + (struct rt5645_eq_param_s *)ucontrol->value.bytes.data; + int i; + + for (i = 0; i < RT5645_HWEQ_NUM; i++) { + eq_param[i].reg = be16_to_cpu(eq_param[i].reg); + eq_param[i].val = be16_to_cpu(eq_param[i].val); + } + + /* The final setting of the table should be RT5645_EQ_CTRL2 */ + for (i = RT5645_HWEQ_NUM - 1; i >= 0; i--) { + if (eq_param[i].reg == 0) + continue; + else if (eq_param[i].reg != RT5645_EQ_CTRL2) + return 0; + else + break; + } + + for (i = 0; i < RT5645_HWEQ_NUM; i++) { + if (!rt5645_validate_hweq(eq_param[i].reg) && + eq_param[i].reg != 0) + return 0; + else if (eq_param[i].reg == 0) + break; + } + + memcpy(rt5645->eq_param, eq_param, + RT5645_HWEQ_NUM * sizeof(struct rt5645_eq_param_s)); + + return 0; +} + +#define RT5645_HWEQ(xname) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = rt5645_hweq_info, \ + .get = rt5645_hweq_get, \ + .put = rt5645_hweq_put \ +} + static const struct snd_kcontrol_new rt5645_snd_controls[] = { /* Speaker Output Volume */ SOC_DOUBLE("Speaker Channel Switch", RT5645_SPK_VOL, @@ -541,6 +629,7 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = { /* I2S2 function select */ SOC_SINGLE("I2S2 Func Switch", RT5645_GPIO_CTRL1, RT5645_I2S2_SEL_SFT, 1, 1), + RT5645_HWEQ("Speaker HWEQ"), }; /** @@ -631,6 +720,22 @@ static int is_using_asrc(struct snd_soc_dapm_widget *source, } +static int rt5645_enable_hweq(struct snd_soc_codec *codec) +{ + struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec); + int i; + + for (i = 0; i < RT5645_HWEQ_NUM; i++) { + if (rt5645_validate_hweq(rt5645->eq_param[i].reg)) + regmap_write(rt5645->regmap, rt5645->eq_param[i].reg, + rt5645->eq_param[i].val); + else + break; + } + + return 0; +} + /** * rt5645_sel_asrc_clk_src - select ASRC clock source for a set of filters * @codec: SoC audio codec device. @@ -1535,6 +1640,7 @@ static int rt5645_spk_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_POST_PMU: + rt5645_enable_hweq(codec); snd_soc_update_bits(codec, RT5645_PWR_DIG1, RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R | RT5645_PWR_CLS_D_L, @@ -1543,6 +1649,7 @@ static int rt5645_spk_event(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_PRE_PMD: + snd_soc_write(codec, RT5645_EQ_CTRL2, 0); snd_soc_update_bits(codec, RT5645_PWR_DIG1, RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R | RT5645_PWR_CLS_D_L, 0); @@ -3057,6 +3164,9 @@ static int rt5645_probe(struct snd_soc_codec *codec) snd_soc_dapm_sync(dapm); } + rt5645->eq_param = devm_kzalloc(codec->dev, + RT5645_HWEQ_NUM * sizeof(struct rt5645_eq_param_s), GFP_KERNEL); + return 0; } |
