Support the function of impedance sensing. It could be set the matrix row number of the impedance sensing table and the related parameters in the DTS.

Signed-off-by: Oder Chiou oder_chiou@realtek.com --- Documentation/devicetree/bindings/sound/rt5663.txt | 6 + include/sound/rt5663.h | 3 + sound/soc/codecs/rt5663.c | 218 ++++++++++++++++++++- 3 files changed, 223 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt index ff38171..4f52fac 100644 --- a/Documentation/devicetree/bindings/sound/rt5663.txt +++ b/Documentation/devicetree/bindings/sound/rt5663.txt @@ -19,6 +19,12 @@ Optional properties: Based on the different PCB layout, add the manual offset value to compensate the DC offset for each L and R channel, and they are different between headphone and headset. +- "realtek,impedance_sensing_num" + The matrix row number of the impedance sensing table. +- "realtek,impedance_sensing_table" + The matrix rows of the impedance sensing table are consisted by impedance + minimum, impedance maximun, volume, DC offset w/o and w/ mic of each L and + R channel accordingly.

Pins on the device (for linking into audio routes) for RT5663:

diff --git a/include/sound/rt5663.h b/include/sound/rt5663.h index 7d00e58..7b90a8f 100644 --- a/include/sound/rt5663.h +++ b/include/sound/rt5663.h @@ -16,6 +16,9 @@ struct rt5663_platform_data { unsigned int dc_offset_r_manual; unsigned int dc_offset_l_manual_mic; unsigned int dc_offset_r_manual_mic; + + unsigned int impedance_sensing_num; + unsigned int *impedance_sensing_table; };

#endif diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index ab9e0eb..767f219 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -38,6 +38,16 @@ enum { CODEC_VER_0, };

+struct impedance_mapping_table { + unsigned int imp_min; + unsigned int imp_max; + unsigned int vol; + unsigned int dc_offset_l_manual; + unsigned int dc_offset_r_manual; + unsigned int dc_offset_l_manual_mic; + unsigned int dc_offset_r_manual_mic; +}; + struct rt5663_priv { struct snd_soc_codec *codec; struct rt5663_platform_data pdata; @@ -45,6 +55,7 @@ struct rt5663_priv { struct delayed_work jack_detect_work; struct snd_soc_jack *hs_jack; struct timer_list btn_check_timer; + struct impedance_mapping_table *imp_table;

int codec_ver; int sysclk; @@ -1575,6 +1586,9 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) rt5663->jack_type = SND_JACK_HEADSET; rt5663_enable_push_button_irq(codec, true);

+ if (rt5663->pdata.impedance_sensing_num) + break; + if (rt5663->pdata.dc_offset_l_manual_mic) { regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2, rt5663->pdata.dc_offset_l_manual_mic >> @@ -1596,6 +1610,9 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) default: rt5663->jack_type = SND_JACK_HEADPHONE;

+ if (rt5663->pdata.impedance_sensing_num) + break; + if (rt5663->pdata.dc_offset_l_manual) { regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2, rt5663->pdata.dc_offset_l_manual >> 16); @@ -1623,6 +1640,177 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) return rt5663->jack_type; }

+static int rt5663_impedance_sensing(struct snd_soc_codec *codec) +{ + struct rt5663_priv *rt5663 = snd_soc_codec_get_drvdata(codec); + unsigned int value, i, reg84, reg26, reg2fa, reg91, reg10, reg80; + + for (i = 0; i < rt5663->pdata.impedance_sensing_num; i++) { + if (rt5663->imp_table[i].vol == 7) + break; + } + + if (rt5663->jack_type == SND_JACK_HEADSET) { + snd_soc_write(codec, RT5663_MIC_DECRO_2, + rt5663->imp_table[i].dc_offset_l_manual_mic >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_3, + rt5663->imp_table[i].dc_offset_l_manual_mic & 0xffff); + snd_soc_write(codec, RT5663_MIC_DECRO_5, + rt5663->imp_table[i].dc_offset_r_manual_mic >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_6, + rt5663->imp_table[i].dc_offset_r_manual_mic & 0xffff); + } else { + snd_soc_write(codec, RT5663_MIC_DECRO_2, + rt5663->imp_table[i].dc_offset_l_manual >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_3, + rt5663->imp_table[i].dc_offset_l_manual & 0xffff); + snd_soc_write(codec, RT5663_MIC_DECRO_5, + rt5663->imp_table[i].dc_offset_r_manual >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_6, + rt5663->imp_table[i].dc_offset_r_manual & 0xffff); + } + + reg84 = snd_soc_read(codec, RT5663_ASRC_2); + reg26 = snd_soc_read(codec, RT5663_STO1_ADC_MIXER); + reg2fa = snd_soc_read(codec, RT5663_DUMMY_1); + reg91 = snd_soc_read(codec, RT5663_HP_CHARGE_PUMP_1); + reg10 = snd_soc_read(codec, RT5663_RECMIX); + reg80 = snd_soc_read(codec, RT5663_GLB_CLK); + + snd_soc_update_bits(codec, RT5663_STO_DRE_1, 0x8000, 0); + snd_soc_write(codec, RT5663_ASRC_2, 0); + snd_soc_write(codec, RT5663_STO1_ADC_MIXER, 0x4040); + snd_soc_update_bits(codec, RT5663_PWR_ANLG_1, + RT5663_PWR_VREF1_MASK | RT5663_PWR_VREF2_MASK | + RT5663_PWR_FV1_MASK | RT5663_PWR_FV2_MASK, + RT5663_PWR_VREF1 | RT5663_PWR_VREF2); + usleep_range(10000, 10005); + snd_soc_update_bits(codec, RT5663_PWR_ANLG_1, + RT5663_PWR_FV1_MASK | RT5663_PWR_FV2_MASK, + RT5663_PWR_FV1 | RT5663_PWR_FV2); + snd_soc_update_bits(codec, RT5663_GLB_CLK, RT5663_SCLK_SRC_MASK, + RT5663_SCLK_SRC_RCCLK); + snd_soc_update_bits(codec, RT5663_RC_CLK, RT5663_DIG_25M_CLK_MASK, + RT5663_DIG_25M_CLK_EN); + snd_soc_update_bits(codec, RT5663_ADDA_CLK_1, RT5663_I2S_PD1_MASK, 0); + snd_soc_write(codec, RT5663_PRE_DIV_GATING_1, 0xff00); + snd_soc_write(codec, RT5663_PRE_DIV_GATING_2, 0xfffc); + snd_soc_write(codec, RT5663_HP_CHARGE_PUMP_1, 0x1232); + snd_soc_write(codec, RT5663_HP_LOGIC_2, 0x0005); + snd_soc_write(codec, RT5663_DEPOP_2, 0x3003); + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x0030, 0x0030); + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x0003, 0x0003); + snd_soc_update_bits(codec, RT5663_PWR_DIG_2, + RT5663_PWR_ADC_S1F | RT5663_PWR_DAC_S1F, + RT5663_PWR_ADC_S1F | RT5663_PWR_DAC_S1F); + snd_soc_update_bits(codec, RT5663_PWR_DIG_1, + RT5663_PWR_DAC_L1 | RT5663_PWR_DAC_R1 | + RT5663_PWR_LDO_DACREF_MASK | RT5663_PWR_ADC_L1 | + RT5663_PWR_ADC_R1, + RT5663_PWR_DAC_L1 | RT5663_PWR_DAC_R1 | + RT5663_PWR_LDO_DACREF_ON | RT5663_PWR_ADC_L1 | + RT5663_PWR_ADC_R1); + msleep(40); + snd_soc_update_bits(codec, RT5663_PWR_ANLG_2, + RT5663_PWR_RECMIX1 | RT5663_PWR_RECMIX2, + RT5663_PWR_RECMIX1 | RT5663_PWR_RECMIX2); + msleep(30); + snd_soc_write(codec, RT5663_HP_CHARGE_PUMP_2, 0x1371); + snd_soc_write(codec, RT5663_STO_DAC_MIXER, 0); + snd_soc_write(codec, RT5663_BYPASS_STO_DAC, 0x000c); + snd_soc_write(codec, RT5663_HP_BIAS, 0xafaa); + snd_soc_write(codec, RT5663_CHARGE_PUMP_1, 0x2224); + snd_soc_write(codec, RT5663_HP_OUT_EN, 0x8088); + snd_soc_write(codec, RT5663_CHOP_ADC, 0x3000); + snd_soc_write(codec, RT5663_ADDA_RST, 0xc000); + snd_soc_write(codec, RT5663_STO1_HPF_ADJ1, 0x3320); + snd_soc_write(codec, RT5663_HP_CALIB_2, 0x00c9); + snd_soc_write(codec, RT5663_DUMMY_1, 0x004c); + snd_soc_write(codec, RT5663_ANA_BIAS_CUR_1, 0x7733); + snd_soc_write(codec, RT5663_CHARGE_PUMP_2, 0x7777); + snd_soc_write(codec, RT5663_STO_DRE_9, 0x0007); + snd_soc_write(codec, RT5663_STO_DRE_10, 0x0007); + snd_soc_write(codec, RT5663_DUMMY_2, 0x02a4); + snd_soc_write(codec, RT5663_RECMIX, 0x0005); + snd_soc_write(codec, RT5663_HP_IMP_SEN_1, 0x4334); + snd_soc_update_bits(codec, RT5663_IRQ_3, 0x0004, 0x0004); + snd_soc_write(codec, RT5663_HP_LOGIC_1, 0x2200); + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x3000, 0x3000); + snd_soc_write(codec, RT5663_HP_LOGIC_1, 0x6200); + + for (i = 0; i < 100; i++) { + msleep(20); + if (snd_soc_read(codec, RT5663_INT_ST_1) & 0x2) + break; + } + + value = snd_soc_read(codec, RT5663_HP_IMP_SEN_4); + + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x3000, 0); + snd_soc_write(codec, RT5663_INT_ST_1, 0); + snd_soc_write(codec, RT5663_HP_LOGIC_1, 0); + snd_soc_update_bits(codec, RT5663_RC_CLK, RT5663_DIG_25M_CLK_MASK, + RT5663_DIG_25M_CLK_DIS); + snd_soc_write(codec, RT5663_GLB_CLK, reg80); + snd_soc_write(codec, RT5663_RECMIX, reg10); + snd_soc_write(codec, RT5663_DUMMY_2, 0x00a4); + snd_soc_write(codec, RT5663_DUMMY_1, reg2fa); + snd_soc_write(codec, RT5663_HP_CALIB_2, 0x00c8); + snd_soc_write(codec, RT5663_STO1_HPF_ADJ1, 0xb320); + snd_soc_write(codec, RT5663_ADDA_RST, 0xe400); + snd_soc_write(codec, RT5663_CHOP_ADC, 0x2000); + snd_soc_write(codec, RT5663_HP_OUT_EN, 0x0008); + snd_soc_update_bits(codec, RT5663_PWR_ANLG_2, + RT5663_PWR_RECMIX1 | RT5663_PWR_RECMIX2, 0); + snd_soc_update_bits(codec, RT5663_PWR_DIG_1, + RT5663_PWR_DAC_L1 | RT5663_PWR_DAC_R1 | + RT5663_PWR_LDO_DACREF_MASK | RT5663_PWR_ADC_L1 | + RT5663_PWR_ADC_R1, 0); + snd_soc_update_bits(codec, RT5663_PWR_DIG_2, + RT5663_PWR_ADC_S1F | RT5663_PWR_DAC_S1F, 0); + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x0003, 0); + snd_soc_update_bits(codec, RT5663_DEPOP_1, 0x0030, 0); + snd_soc_write(codec, RT5663_HP_LOGIC_2, 0); + snd_soc_write(codec, RT5663_HP_CHARGE_PUMP_1, reg91); + snd_soc_update_bits(codec, RT5663_PWR_ANLG_1, + RT5663_PWR_VREF1_MASK | RT5663_PWR_VREF2_MASK, 0); + snd_soc_write(codec, RT5663_STO1_ADC_MIXER, reg26); + snd_soc_write(codec, RT5663_ASRC_2, reg84); + + for (i = 0; i < rt5663->pdata.impedance_sensing_num; i++) { + if (value >= rt5663->imp_table[i].imp_min && + value <= rt5663->imp_table[i].imp_max) + break; + } + + snd_soc_update_bits(codec, RT5663_STO_DRE_9, RT5663_DRE_GAIN_HP_MASK, + rt5663->imp_table[i].vol); + snd_soc_update_bits(codec, RT5663_STO_DRE_10, RT5663_DRE_GAIN_HP_MASK, + rt5663->imp_table[i].vol); + + if (rt5663->jack_type == SND_JACK_HEADSET) { + snd_soc_write(codec, RT5663_MIC_DECRO_2, + rt5663->imp_table[i].dc_offset_l_manual_mic >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_3, + rt5663->imp_table[i].dc_offset_l_manual_mic & 0xffff); + snd_soc_write(codec, RT5663_MIC_DECRO_5, + rt5663->imp_table[i].dc_offset_r_manual_mic >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_6, + rt5663->imp_table[i].dc_offset_r_manual_mic & 0xffff); + } else { + snd_soc_write(codec, RT5663_MIC_DECRO_2, + rt5663->imp_table[i].dc_offset_l_manual >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_3, + rt5663->imp_table[i].dc_offset_l_manual & 0xffff); + snd_soc_write(codec, RT5663_MIC_DECRO_5, + rt5663->imp_table[i].dc_offset_r_manual >> 16); + snd_soc_write(codec, RT5663_MIC_DECRO_6, + rt5663->imp_table[i].dc_offset_r_manual & 0xffff); + } + + return 0; +} + static int rt5663_button_detect(struct snd_soc_codec *codec) { int btn_type, val; @@ -1701,6 +1889,8 @@ static void rt5663_jack_detect_work(struct work_struct *work) break; case CODEC_VER_0: report = rt5663_jack_detect(rt5663->codec, 1); + if (rt5663->pdata.impedance_sensing_num) + rt5663_impedance_sensing(rt5663->codec); break; default: dev_err(codec->dev, "Unknown CODEC Version\n"); @@ -1796,10 +1986,6 @@ static const struct snd_kcontrol_new rt5663_v2_specific_controls[] = { };

static const struct snd_kcontrol_new rt5663_specific_controls[] = { - /* Headphone Output Volume */ - SOC_DOUBLE_R_TLV("Headphone Playback Volume", RT5663_STO_DRE_9, - RT5663_STO_DRE_10, RT5663_DRE_GAIN_HP_SHIFT, 23, 1, - rt5663_hp_vol_tlv), /* Mic Boost Volume*/ SOC_SINGLE_TLV("IN1 Capture Volume", RT5663_CBJ_2, RT5663_GAIN_BST1_SHIFT, 8, 0, in_bst_tlv), @@ -1807,6 +1993,13 @@ static const struct snd_kcontrol_new rt5663_specific_controls[] = { SOC_ENUM("IF1 ADC Data Swap", rt5663_if1_adc_enum), };

+static const struct snd_kcontrol_new rt5663_hpvol_controls[] = { + /* Headphone Output Volume */ + SOC_DOUBLE_R_TLV("Headphone Playback Volume", RT5663_STO_DRE_9, + RT5663_STO_DRE_10, RT5663_DRE_GAIN_HP_SHIFT, 23, 1, + rt5663_hp_vol_tlv), +}; + static int rt5663_is_sys_clk_from_pll(struct snd_soc_dapm_widget *w, struct snd_soc_dapm_widget *sink) { @@ -2889,6 +3082,10 @@ static int rt5663_probe(struct snd_soc_codec *codec) ARRAY_SIZE(rt5663_specific_dapm_routes)); snd_soc_add_codec_controls(codec, rt5663_specific_controls, ARRAY_SIZE(rt5663_specific_controls)); + + if (!rt5663->imp_table) + snd_soc_add_codec_controls(codec, rt5663_hpvol_controls, + ARRAY_SIZE(rt5663_hpvol_controls)); break; }

@@ -3177,6 +3374,8 @@ static void rt5663_calibrate(struct rt5663_priv *rt5663)

static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) { + int table_size; + device_property_read_u32(dev, "realtek,dc_offset_l_manual", &rt5663->pdata.dc_offset_l_manual); device_property_read_u32(dev, "realtek,dc_offset_r_manual", @@ -3185,6 +3384,17 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) &rt5663->pdata.dc_offset_l_manual_mic); device_property_read_u32(dev, "realtek,dc_offset_r_manual_mic", &rt5663->pdata.dc_offset_r_manual_mic); + device_property_read_u32(dev, "realtek,impedance_sensing_num", + &rt5663->pdata.impedance_sensing_num); + + if (rt5663->pdata.impedance_sensing_num) { + table_size = sizeof(struct impedance_mapping_table) * + rt5663->pdata.impedance_sensing_num; + rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL); + device_property_read_u32_array(dev, + "realtek,impedance_sensing_table", + (u32 *)rt5663->imp_table, table_size); + }

return 0; }