diff options
Diffstat (limited to 'sound/soc/codecs/ab5500.c')
| -rwxr-xr-x | sound/soc/codecs/ab5500.c | 1806 |
1 files changed, 1806 insertions, 0 deletions
diff --git a/sound/soc/codecs/ab5500.c b/sound/soc/codecs/ab5500.c new file mode 100755 index 00000000000..aff0ad51f6a --- /dev/null +++ b/sound/soc/codecs/ab5500.c @@ -0,0 +1,1806 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * + * Author: Xie Xiaolei <xie.xiaolei@etericsson.com>, + * Ola Lilja <ola.o.lilja@stericsson.com>, + * Roger Nilsson <roger.xr.nilsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> +#include <linux/spi/spi.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <linux/mfd/abx500.h> +#include <linux/mfd/abx500/ab5500.h> +#include <linux/bitmap.h> +#include <linux/bitops.h> +#include <asm/atomic.h> +#include <linux/rwsem.h> +#include <linux/mutex.h> +#include <stdarg.h> +#include "ab5500.h" + +/* No of digital interface on the Codec */ +#define NO_CODEC_DAI_IF 2 + +/* codec private data */ +struct ab5500_codec_dai_data { + bool playback_active; + bool capture_active; + +}; + +enum regulator_idx { + REGULATOR_DMIC, + REGULATOR_AMIC +}; + +static struct device *ab5500_dev; +static struct regulator_bulk_data reg_info[2] = { + { .supply = "vdigmic" }, + { .supply = "v-amic" } +}; + +static bool reg_enabled[2] = { + false, + false +}; + +static u8 virtual_regs[] = { + 0, 0, 0, 0, 0 +}; + +static int ab5500_clk_request; +static DEFINE_MUTEX(ab5500_clk_mutex); + +#define set_reg(reg, val) mask_set_reg((reg), 0xff, (val)) + +static void mask_set_reg(u8 reg, u8 mask, u8 val) +{ + u8 newval = mask & val; + u8 oldval, diff; + + if (!ab5500_dev) { + pr_err("%s: The AB5500 codec driver not initialized.\n", + __func__); + return; + } + /* Check if the reg value falls within the + * range of AB5500 real registers. If + * so, set the mask */ + if (reg < AB5500_FIRST_REG) + return; + if (reg <= AB5500_LAST_REG) { + abx500_mask_and_set_register_interruptible( + ab5500_dev, AB5500_BANK_AUDIO_HEADSETUSB, + reg, mask, val); + return; + } + if (reg - AB5500_LAST_REG - 1 >= ARRAY_SIZE(virtual_regs)) + return; + + /* treatment of virtual registers follows */ + /*Compute the difference between the new value and the old value. + *1.If there is no difference, do nothing. + *2.If the difference is in the PWR_SHIFT, + *set the PWR masks appropriately. + */ + oldval = virtual_regs[reg - AB5500_LAST_REG - 1]; + diff = (val ^ oldval) & mask; + if (!diff) + return; + + switch (reg) { + case AB5500_VIRTUAL_REG3: + if ((diff & (1 << SPKR1_PWR_SHIFT))) { + if ((val & (1 << SPKR1_PWR_SHIFT)) == 0) { + /* + * If the new value has PWR_SHIFT + * disabled, set the + * PWR_MASK to 0 + */ + mask_set_reg(SPKR1, SPKRx_PWR_MASK, 0); + } + else { + /* Else, set the PWR_MASK values based on the old value. */ + switch (oldval & SPKR1_MODE_MASK) { + case 0: + mask_set_reg(SPKR1, SPKRx_PWR_MASK, + SPKRx_PWR_VBR_VALUE); + break; + case 1: + mask_set_reg(SPKR1, SPKRx_PWR_MASK, + SPKRx_PWR_CLS_D_VALUE); + break; + case 2: + mask_set_reg(SPKR1, SPKRx_PWR_MASK, + SPKRx_PWR_CLS_AB_VALUE); + break; + } + } + } + if ((diff & (1 << SPKR2_PWR_SHIFT))) { + if ((val & (1 << SPKR2_PWR_SHIFT)) == 0) { + /* + * If the new value has PWR_SHIFT + * disabled, set the + * PWR_MASK to 0 + */ + mask_set_reg(SPKR2, SPKRx_PWR_MASK, 0); + } + else { + /* Else, set the PWR_MASK values based on the old value. */ + switch (oldval & SPKR2_MODE_MASK) { + case 0: + mask_set_reg(SPKR2, SPKRx_PWR_MASK, + SPKRx_PWR_VBR_VALUE); + break; + case 1: + mask_set_reg(SPKR2, SPKRx_PWR_MASK, + SPKRx_PWR_CLS_D_VALUE); + break; + } + } + } + + break; + case AB5500_VIRTUAL_REG4: + ; + /* configure PWMCTRL_SPKR1, PWMCTRL_SPKR2, etc. */ + } + virtual_regs[reg - AB5500_LAST_REG - 1] &= ~mask; + virtual_regs[reg - AB5500_LAST_REG - 1] |= newval; +} + +static u8 read_reg(u8 reg) +{ + if (!ab5500_dev) { + pr_err("%s: The AB5500 codec driver not initialized.\n", + __func__); + return 0; + } + /* Check if the reg value falls within the range of AB5500 real + * registers.If so, set the mask */ + if (reg < AB5500_FIRST_REG) + return 0; + else if (reg <= AB5500_LAST_REG) { + u8 val; + abx500_get_register_interruptible( + ab5500_dev, AB5500_BANK_AUDIO_HEADSETUSB, reg, &val); + return val; + } else if (reg - AB5500_LAST_REG - 1 < ARRAY_SIZE(virtual_regs)) + return virtual_regs[reg - AB5500_LAST_REG - 1]; + dev_warn(ab5500_dev, "%s: out-of-scope reigster %u.\n", + __func__, reg); + return 0; +} + +/* Components that can be powered up/down */ +enum enum_widget { + widget_ear = 0, + widget_auxo1, + widget_auxo2, + widget_auxo3, + widget_auxo4, + widget_spkr1, + widget_spkr2, + widget_spkr1_adder, + widget_spkr2_adder, + widget_pwm_spkr1, + widget_pwm_spkr2, + widget_pwm_spkr1n, + widget_pwm_spkr1p, + widget_pwm_spkr2n, + widget_pwm_spkr2p, + widget_line1, + widget_line2, + widget_dac1, + widget_dac2, + widget_dac3, + widget_rx1, + widget_rx2, + widget_rx3, + widget_mic1, + widget_mic2, + widget_micbias1, + widget_micbias2, + widget_apga1, + widget_apga2, + widget_tx1, + widget_tx2, + widget_adc1, + widget_adc2, + widget_if0_dld_l, + widget_if0_dld_r, + widget_if0_uld_l, + widget_if0_uld_r, + widget_if1_dld_l, + widget_if1_dld_r, + widget_if1_uld_l, + widget_if1_uld_r, + widget_mic1p1, + widget_mic1n1, + widget_mic1p2, + widget_mic1n2, + widget_mic2p1, + widget_mic2n1, + widget_mic2p2, + widget_mic2n2, + widget_clock, + number_of_widgets +}; + +/* This is only meant for debugging */ +static const char *widget_names[] = { + "EAR", "AUXO1", "AUXO2", "AUXO3", "AUXO4", + "SPKR1", "SPKR2", "SPKR1_ADDER", "SPKR2_ADDER", + "PWM_SPKR1", "PWM_SPKR2", + "PWM_SPKR1N", "PWM_SPKR1P", + "PWM_SPKR2N", "PWM_SPKR2P", + "LINE1", "LINE2", + "DAC1", "DAC2", "DAC3", + "RX1", "RX2", "RX3", + "MIC1", "MIC2", + "MIC-BIAS1", "MIC-BIAS2", + "APGA1", "APGA2", + "TX1", "TX2", + "ADC1", "ADC2", + "IF0-DLD-L", "IF0-DLD-R", "IF0-ULD-L", "IF0-ULD-R", + "IF1-DLD-L", "IF1-DLD-R", "IF1-ULD-L", "IF1-ULD-R", + "MIC1P1", "MIC1N1", "MIC1P2", "MIC1N2", + "MIC2P1", "MIC2N1", "MIC2P2", "MIC2N2", + "CLOCK" +}; + +struct widget_pm { + enum enum_widget widget; + u8 reg; + u8 shift; + + unsigned long source_list[BIT_WORD(number_of_widgets) + 1]; + unsigned long sink_list[BIT_WORD(number_of_widgets) + 1]; +}; + +static struct widget_pm widget_pm_array[] = { + {.widget = widget_ear, .reg = EAR_PWR, .shift = EAR_PWR_SHIFT}, + + {.widget = widget_auxo1, .reg = AUXO1, .shift = AUXOx_PWR_SHIFT}, + {.widget = widget_auxo2, .reg = AUXO2, .shift = AUXOx_PWR_SHIFT}, + {.widget = widget_auxo3, .reg = AUXO3, .shift = AUXOx_PWR_SHIFT}, + {.widget = widget_auxo4, .reg = AUXO4, .shift = AUXOx_PWR_SHIFT}, + + {.widget = widget_spkr1, .reg = DUMMY_REG, .shift = 0}, + {.widget = widget_spkr2, .reg = AB5500_VIRTUAL_REG3, + .shift = SPKR2_PWR_SHIFT}, + + {.widget = widget_spkr1_adder, .reg = AB5500_VIRTUAL_REG3, + .shift = SPKR1_ADDER_PWR_SHIFT}, + {.widget = widget_spkr2_adder, .reg = AB5500_VIRTUAL_REG3, + .shift = SPKR2_ADDER_PWR_SHIFT}, + + {.widget = widget_pwm_spkr1, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR1_PWR_SHIFT}, + {.widget = widget_pwm_spkr2, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR2_PWR_SHIFT}, + + {.widget = widget_pwm_spkr1n, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR1N_PWR_SHIFT}, + {.widget = widget_pwm_spkr1p, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR1P_PWR_SHIFT}, + + {.widget = widget_pwm_spkr2n, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR2N_PWR_SHIFT}, + {.widget = widget_pwm_spkr2p, .reg = AB5500_VIRTUAL_REG4, + .shift = PWM_SPKR2P_PWR_SHIFT}, + + + {.widget = widget_line1, .reg = LINE1, .shift = LINEx_PWR_SHIFT}, + {.widget = widget_line2, .reg = LINE2, .shift = LINEx_PWR_SHIFT}, + + {.widget = widget_dac1, .reg = RX1, .shift = DACx_PWR_SHIFT}, + {.widget = widget_dac2, .reg = RX2, .shift = DACx_PWR_SHIFT}, + {.widget = widget_dac3, .reg = RX3, .shift = DACx_PWR_SHIFT}, + + {.widget = widget_rx1, .reg = RX1, .shift = RXx_PWR_SHIFT}, + {.widget = widget_rx2, .reg = RX2, .shift = RXx_PWR_SHIFT}, + {.widget = widget_rx3, .reg = RX3, .shift = RXx_PWR_SHIFT}, + + {.widget = widget_mic1, .reg = MIC1_GAIN, .shift = MICx_PWR_SHIFT}, + {.widget = widget_mic2, .reg = MIC2_GAIN, .shift = MICx_PWR_SHIFT}, + + {.widget = widget_micbias1, .reg = MIC_BIAS1, + .shift = MBIASx_PWR_SHIFT}, + {.widget = widget_micbias2, .reg = MIC_BIAS2, + .shift = MBIASx_PWR_SHIFT}, + + {.widget = widget_apga1, .reg = ANALOG_LOOP_PGA1, + .shift = APGAx_PWR_SHIFT}, + {.widget = widget_apga2, .reg = ANALOG_LOOP_PGA2, + .shift = APGAx_PWR_SHIFT}, + + {.widget = widget_tx1, .reg = TX1, .shift = TXx_PWR_SHIFT}, + {.widget = widget_tx2, .reg = TX2, .shift = TXx_PWR_SHIFT}, + + {.widget = widget_adc1, .reg = TX1, .shift = ADCx_PWR_SHIFT}, + {.widget = widget_adc2, .reg = TX2, .shift = ADCx_PWR_SHIFT}, + + {.widget = widget_if0_dld_l, .reg = AB5500_VIRTUAL_REG1, + .shift = IF0_DLD_L_PW_SHIFT}, + {.widget = widget_if0_dld_r, .reg = AB5500_VIRTUAL_REG1, + .shift = IF0_DLD_R_PW_SHIFT}, + {.widget = widget_if0_uld_l, .reg = AB5500_VIRTUAL_REG1, + .shift = IF0_ULD_L_PW_SHIFT}, + {.widget = widget_if0_uld_r, .reg = AB5500_VIRTUAL_REG1, + .shift = IF0_ULD_R_PW_SHIFT}, + + {.widget = widget_if1_dld_l, .reg = AB5500_VIRTUAL_REG1, + .shift = IF1_DLD_L_PW_SHIFT}, + {.widget = widget_if1_dld_r, .reg = AB5500_VIRTUAL_REG1, + .shift = IF1_DLD_R_PW_SHIFT}, + {.widget = widget_if1_uld_l, .reg = AB5500_VIRTUAL_REG1, + .shift = IF1_ULD_L_PW_SHIFT}, + {.widget = widget_if1_uld_r, .reg = AB5500_VIRTUAL_REG1, + .shift = IF1_ULD_R_PW_SHIFT}, + + {.widget = widget_mic1p1, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC1P1_PW_SHIFT}, + {.widget = widget_mic1n1, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC1N1_PW_SHIFT}, + {.widget = widget_mic1p2, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC1P2_PW_SHIFT}, + {.widget = widget_mic1n2, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC1N2_PW_SHIFT}, + + {.widget = widget_mic2p1, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC2P1_PW_SHIFT}, + {.widget = widget_mic2n1, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC2N1_PW_SHIFT}, + {.widget = widget_mic2p2, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC2P2_PW_SHIFT}, + {.widget = widget_mic2n2, .reg = AB5500_VIRTUAL_REG2, + .shift = MIC2N2_PW_SHIFT}, + + {.widget = widget_clock, .reg = CLOCK, .shift = CLOCK_ENABLE_SHIFT}, +}; + +DEFINE_MUTEX(ab5500_pm_mutex); + +static struct { + enum enum_widget stack[number_of_widgets]; + int p; +} pm_stack; + +#define pm_stack_as_bitmap ({ \ + unsigned long bitmap[BIT_WORD(number_of_widgets) + 1]; \ + int i; \ + memset(bitmap, 0, sizeof(bitmap)); \ + for (i = 0; i < pm_stack.p; i++) { \ + set_bit(pm_stack.stack[i], bitmap); \ + } \ + bitmap; \ + }) + +/* These are only meant to meet the obligations of DAPM */ +static const struct snd_soc_dapm_widget ab5500_dapm_widgets[] = { +}; + +static const struct snd_soc_dapm_route intercon[] = { +}; + + +struct ab5500_codec_dai_data ab5500_codec_privates[NO_CODEC_DAI_IF] = { + { + .playback_active = false, + .capture_active = false, + }, + { + .playback_active = false, + .capture_active = false, + } +}; + +static const char *enum_rx_input_select[] = { + "Mute", "TX1", "TX2", "I2S0_DLD_L", + "I2S0_DLD_R", "I2S1_DLD_L", "I2S1_DLD_R" +}; + +static const char *enum_i2s_uld_select[] = { + "Mute", "TX1", "TX2", "I2S0_DLD_L", + "I2S0_DLD_R", "I2S1_DLD_L", "I2S1_DLD_R", "tri-state" +}; +static const char *enum_apga1_source[] = {"LINEIN1", "MIC1", "MIC2", "None"}; +static const char *enum_apga2_source[] = {"LINEIN2", "MIC1", "MIC2", "None"}; +static const char *enum_rx_side_tone[] = {"TX1", "TX2"}; +static const char *enum_dac_power_mode[] = {"100%", "75%", "55%"}; +static const char *enum_ear_power_mode[] = {"100%", "70%", "50%"}; +static const char *enum_auxo_power_mode[] = { + "100%", "67%", "50%", "25%", "auto" +}; +static const char *enum_onoff[] = {"Off", "On"}; +static const char *enum_mbias_pdn_imp[] = {"GND", "HiZ"}; +static const char *enum_mbias2_out_v[] = {"2.0v", "2.2v"}; +static const char *enum_mic_in_imp[] = { + "12.5 kohm", "25 kohm", "50 kohm" +}; +static const char *enum_hp_filter[] = {"HP3", "HP1", "bypass"}; +static const char *enum_i2s_word_length[] = {"16 bits", "24 bits"}; +static const char *enum_i2s_mode[] = {"Master Mode", "Slave Mode"}; +static const char *enum_i2s_tristate[] = {"Normal", "Tri-state"}; +static const char *enum_optional_resistor[] = {"disconnected", "connected"}; +static const char *enum_i2s_sample_rate[] = { + "8 kHz", "16 kHz", "44.1 kHz", "48 kHz" +}; +static const char *enum_tx1_input_select[] = { + "ADC1", "DIGMIC1", "DIGMIC2" +}; +static const char *enum_tx2_input_select[] = { + "ADC2", "DIGMIC1", "DIGMIC2" +}; +static const char *enum_signal_inversion[] = {"normal", "inverted"}; +static const char *enum_spkr1_mode[] = { + "SPKR1 power down", "Vibra PWM", "class D amplifier", "class AB amplifier" +}; +static const char *enum_spkr2_mode[] = { + "Vibra PWM", "class D amplifier", +}; +static const char *enum_pwm_pol[] = { + "GND", "VDD" +}; +/* RX1 Input Select */ +static struct soc_enum soc_enum_rx1_in_sel = + SOC_ENUM_SINGLE(RX1, RXx_DATA_SHIFT, + ARRAY_SIZE(enum_rx_input_select), + enum_rx_input_select); + +/* RX2 Input Select */ +static struct soc_enum soc_enum_rx2_in_sel = + SOC_ENUM_SINGLE(RX2, RXx_DATA_SHIFT, + ARRAY_SIZE(enum_rx_input_select), + enum_rx_input_select); +/* RX3 Input Select */ +static struct soc_enum soc_enum_rx3_in_sel = + SOC_ENUM_SINGLE(RX3, RXx_DATA_SHIFT, + ARRAY_SIZE(enum_rx_input_select), + enum_rx_input_select); +/* TX1 Input Select */ +static struct soc_enum soc_enum_tx1_in_sel = + SOC_ENUM_SINGLE(TX1, TXx_MUX_SHIFT, + ARRAY_SIZE(enum_tx1_input_select), + enum_tx1_input_select); +/* TX2 Input Select */ +static struct soc_enum soc_enum_tx2_in_sel = + SOC_ENUM_SINGLE(TX2, TXx_MUX_SHIFT, + ARRAY_SIZE(enum_tx2_input_select), + enum_tx2_input_select); + +/* I2S0 ULD Select */ +static struct soc_enum soc_enum_i2s0_input_select = + SOC_ENUM_DOUBLE(INTERFACE0_ULD, 0, 4, + ARRAY_SIZE(enum_i2s_uld_select), + enum_i2s_uld_select); +/* I2S1 ULD Select */ +static struct soc_enum soc_enum_i2s1_input_select = + SOC_ENUM_DOUBLE(INTERFACE1_ULD, 0, 4, + ARRAY_SIZE(enum_i2s_uld_select), + enum_i2s_uld_select); + +/* APGA1 Source */ +static struct soc_enum soc_enum_apga1_source = + SOC_ENUM_SINGLE(ANALOG_LOOP_PGA1, APGAx_MUX_SHIFT, + ARRAY_SIZE(enum_apga1_source), + enum_apga1_source); + +/* APGA2 Source */ +static struct soc_enum soc_enum_apga2_source = + SOC_ENUM_SINGLE(ANALOG_LOOP_PGA2, APGAx_MUX_SHIFT, + ARRAY_SIZE(enum_apga2_source), + enum_apga2_source); + +static struct soc_enum soc_enum_apga1_enable = + SOC_ENUM_SINGLE(ANALOG_LOOP_PGA1, APGAx_PWR_SHIFT, + ARRAY_SIZE(enum_onoff), enum_onoff); + +static struct soc_enum soc_enum_apga2_enable = + SOC_ENUM_SINGLE(ANALOG_LOOP_PGA2, APGAx_PWR_SHIFT, + ARRAY_SIZE(enum_onoff), enum_onoff); + +/* RX1 Side Tone */ +static struct soc_enum soc_enum_dac1_side_tone = + SOC_ENUM_SINGLE(ST1_PGA, STx_MUX_SHIFT, + ARRAY_SIZE(enum_rx_side_tone), + enum_rx_side_tone); + +/* RX2 Side Tone */ +static struct soc_enum soc_enum_dac2_side_tone = + SOC_ENUM_SINGLE(ST2_PGA, STx_MUX_SHIFT, + ARRAY_SIZE(enum_rx_side_tone), + enum_rx_side_tone); + +/* DAC1 Power Mode */ +static struct soc_enum soc_enum_dac1_power_mode = + SOC_ENUM_SINGLE(RX1, DACx_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_dac_power_mode), + enum_dac_power_mode); + +/* DAC2 Power Mode */ +static struct soc_enum soc_enum_dac2_power_mode = + SOC_ENUM_SINGLE(RX2, DACx_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_dac_power_mode), + enum_dac_power_mode); + +/* DAC3 Power Mode */ +static struct soc_enum soc_enum_dac3_power_mode = + SOC_ENUM_SINGLE(RX3, DACx_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_dac_power_mode), + enum_dac_power_mode); + +/* EAR Power Mode */ +static struct soc_enum soc_enum_ear_power_mode = + SOC_ENUM_SINGLE(EAR_PWR, EAR_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_ear_power_mode), + enum_ear_power_mode); + +/* AUXO12 Power Mode */ +static struct soc_enum soc_enum_auxo12_power_mode = + SOC_ENUM_SINGLE(AUXO12_PWR_MODE, AUXOxy_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_auxo_power_mode), + enum_auxo_power_mode); + +/* AUXO34 Power Mode */ +static struct soc_enum soc_enum_auxo34_power_mode = + SOC_ENUM_SINGLE(AUXO34_PWR_MODE, AUXOxy_PWR_MODE_SHIFT, + ARRAY_SIZE(enum_auxo_power_mode), + enum_auxo_power_mode); + +/* MBIAS1 PDN Impedance */ +static struct soc_enum soc_enum_mbias1_pdn_imp = + SOC_ENUM_SINGLE(MIC_BIAS1, MBIASx_PDN_IMP_SHIFT, + ARRAY_SIZE(enum_mbias_pdn_imp), + enum_mbias_pdn_imp); + +/* MBIAS2 PDN Impedance */ +static struct soc_enum soc_enum_mbias2_pdn_imp = + SOC_ENUM_SINGLE(MIC_BIAS2, MBIASx_PDN_IMP_SHIFT, + ARRAY_SIZE(enum_mbias_pdn_imp), + enum_mbias_pdn_imp); + +/* MBIAS2 Output voltage */ +static struct soc_enum soc_enum_mbias2_out_v = + SOC_ENUM_SINGLE(MIC_BIAS2, MBIAS2_OUT_V_SHIFT, + ARRAY_SIZE(enum_mbias2_out_v), + enum_mbias2_out_v); + +static struct soc_enum soc_enum_mbias2_int_r = + SOC_ENUM_SINGLE(MIC_BIAS2_VAD, MBIAS2_R_INT_SHIFT, + ARRAY_SIZE(enum_optional_resistor), + enum_optional_resistor); + +static struct soc_enum soc_enum_mic1_in_imp = + SOC_ENUM_SINGLE(MIC1_GAIN, MICx_IN_IMP_SHIFT, + ARRAY_SIZE(enum_mic_in_imp), + enum_mic_in_imp); + +static struct soc_enum soc_enum_mic2_in_imp = + SOC_ENUM_SINGLE(MIC2_GAIN, MICx_IN_IMP_SHIFT, + ARRAY_SIZE(enum_mic_in_imp), + enum_mic_in_imp); + +static struct soc_enum soc_enum_tx1_hp_filter = + SOC_ENUM_SINGLE(TX1, TXx_HP_FILTER_SHIFT, + ARRAY_SIZE(enum_hp_filter), + enum_hp_filter); + +static struct soc_enum soc_enum_tx2_hp_filter = + SOC_ENUM_SINGLE(TX2, TXx_HP_FILTER_SHIFT, + ARRAY_SIZE(enum_hp_filter), + enum_hp_filter); + +static struct soc_enum soc_enum_st1_hp_filter = + SOC_ENUM_SINGLE(ST1_PGA, STx_HP_FILTER_SHIFT, + ARRAY_SIZE(enum_hp_filter), + enum_hp_filter); + +static struct soc_enum soc_enum_st2_hp_filter = + SOC_ENUM_SINGLE(ST2_PGA, STx_HP_FILTER_SHIFT, + ARRAY_SIZE(enum_hp_filter), + enum_hp_filter); + +static struct soc_enum soc_enum_i2s0_word_length = + SOC_ENUM_SINGLE(INTERFACE0, I2Sx_WORDLENGTH_SHIFT, + ARRAY_SIZE(enum_i2s_word_length), + enum_i2s_word_length); + +static struct soc_enum soc_enum_i2s1_word_length = + SOC_ENUM_SINGLE(INTERFACE1, I2Sx_WORDLENGTH_SHIFT, + ARRAY_SIZE(enum_i2s_word_length), + enum_i2s_word_length); + +static struct soc_enum soc_enum_i2s0_mode = + SOC_ENUM_SINGLE(INTERFACE0, I2Sx_MODE_SHIFT, + ARRAY_SIZE(enum_i2s_mode), + enum_i2s_mode); + +static struct soc_enum soc_enum_i2s1_mode = + SOC_ENUM_SINGLE(INTERFACE1, I2Sx_MODE_SHIFT, + ARRAY_SIZE(enum_i2s_mode), + enum_i2s_mode); + +static struct soc_enum soc_enum_i2s0_tristate = + SOC_ENUM_SINGLE(INTERFACE0, I2Sx_TRISTATE_SHIFT, + ARRAY_SIZE(enum_i2s_tristate), + enum_i2s_tristate); + +static struct soc_enum soc_enum_i2s1_tristate = + SOC_ENUM_SINGLE(INTERFACE1, I2Sx_TRISTATE_SHIFT, + ARRAY_SIZE(enum_i2s_tristate), + enum_i2s_tristate); + +static struct soc_enum soc_enum_i2s0_pulldown_resistor = + SOC_ENUM_SINGLE(INTERFACE0, I2Sx_PULLDOWN_SHIFT, + ARRAY_SIZE(enum_optional_resistor), + enum_optional_resistor); + +static struct soc_enum soc_enum_i2s1_pulldown_resistor = + SOC_ENUM_SINGLE(INTERFACE1, I2Sx_PULLDOWN_SHIFT, + ARRAY_SIZE(enum_optional_resistor), + enum_optional_resistor); + +static struct soc_enum soc_enum_i2s0_sample_rate = + SOC_ENUM_SINGLE(INTERFACE0, I2Sx_SR_SHIFT, + ARRAY_SIZE(enum_i2s_sample_rate), + enum_i2s_sample_rate); + +static struct soc_enum soc_enum_i2s1_sample_rate = + SOC_ENUM_SINGLE(INTERFACE1, I2Sx_SR_SHIFT, + ARRAY_SIZE(enum_i2s_sample_rate), + enum_i2s_sample_rate); + +static struct soc_enum soc_enum_line1_inversion = + SOC_ENUM_SINGLE(LINE1, LINEx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_line2_inversion = + SOC_ENUM_SINGLE(LINE2, LINEx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_auxo1_inversion = + SOC_ENUM_SINGLE(AUXO1, AUXOx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_auxo2_inversion = + SOC_ENUM_SINGLE(AUXO2, AUXOx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_auxo3_inversion = + SOC_ENUM_SINGLE(AUXO3, AUXOx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_auxo4_inversion = + SOC_ENUM_SINGLE(AUXO4, AUXOx_INV_SHIFT, + ARRAY_SIZE(enum_signal_inversion), + enum_signal_inversion); + +static struct soc_enum soc_enum_auxo1_pulldown_resistor = + SOC_ENUM_SINGLE(AUXO1, AUXOx_PULLDOWN_SHIFT, + ARRAY_SIZE(enum_optional_resistor), + enum_optional_resistor); + +static struct soc_enum soc_enum_auxo2_pulldown_resistor = + SOC_ENUM_SINGLE(AUXO2, AUXOx_PULLDOWN_SHIFT, + ARRAY_SIZE(enum_optional_resistor), + enum_optional_resistor); + +static struct soc_enum soc_enum_spkr1_mode = + SOC_ENUM_SINGLE(SPKR1, SPKRx_PWR_SHIFT, + ARRAY_SIZE(enum_spkr1_mode), + enum_spkr1_mode); + +static struct soc_enum soc_enum_spkr2_mode = + SOC_ENUM_SINGLE(AB5500_VIRTUAL_REG3, SPKR2_MODE_SHIFT, + ARRAY_SIZE(enum_spkr2_mode), + enum_spkr2_mode); + +static struct soc_enum soc_enum_pwm_spkr1n_pol = + SOC_ENUM_SINGLE(PWMCTRL_SPKR1, PWMCTRL_SPKRx_N1_POL_SHIFT, + ARRAY_SIZE(enum_pwm_pol), enum_pwm_pol); + +static struct soc_enum soc_enum_pwm_spkr1p_pol = + SOC_ENUM_SINGLE(PWMCTRL_SPKR1, PWMCTRL_SPKRx_P1_POL_SHIFT, + ARRAY_SIZE(enum_pwm_pol), enum_pwm_pol); + +static struct soc_enum soc_enum_pwm_spkr2n_pol = + SOC_ENUM_SINGLE(PWMCTRL_SPKR2, PWMCTRL_SPKRx_N1_POL_SHIFT, + ARRAY_SIZE(enum_pwm_pol), enum_pwm_pol); + +static struct soc_enum soc_enum_pwm_spkr2p_pol = + SOC_ENUM_SINGLE(PWMCTRL_SPKR2, PWMCTRL_SPKRx_P1_POL_SHIFT, + ARRAY_SIZE(enum_pwm_pol), enum_pwm_pol); + +static struct snd_kcontrol_new ab5500_snd_controls[] = { + /* RX Routing */ + SOC_ENUM("RX1 Input Select", soc_enum_rx1_in_sel), + SOC_ENUM("RX2 Input Select", soc_enum_rx2_in_sel), + SOC_ENUM("RX3 Input Select", soc_enum_rx3_in_sel), + SOC_SINGLE("LINE1 Adder", LINE1_ADDER, 0, 0x1F, 0), + SOC_SINGLE("LINE2 Adder", LINE2_ADDER, 0, 0x1F, 0), + SOC_SINGLE("EAR Adder", EAR_ADDER, 0, 0x1F, 0), + SOC_SINGLE("SPKR1 Adder", SPKR1_ADDER, 0, 0x1F, 0), + SOC_SINGLE("SPKR2 Adder", SPKR2_ADDER, 0, 0x1F, 0), + SOC_SINGLE("AUXO1 Adder", AUXO1_ADDER, 0, 0x1F, 0), + SOC_SINGLE("AUXO2 Adder", AUXO2_ADDER, 0, 0x1F, 0), + SOC_SINGLE("AUXO3 Adder", AUXO3_ADDER, 0, 0x1F, 0), + SOC_SINGLE("AUXO4 Adder", AUXO4_ADDER, 0, 0x1F, 0), + SOC_SINGLE("SPKR1 PWM Select", AB5500_VIRTUAL_REG5, 0, 0x03, 0), + SOC_SINGLE("SPKR2 PWM Select", AB5500_VIRTUAL_REG5, 2, 0x0C, 0), + /* TX Routing */ + SOC_ENUM("TX1 Input Select", soc_enum_tx1_in_sel), + SOC_ENUM("TX2 Input Select", soc_enum_tx2_in_sel), + SOC_SINGLE("MIC1 Input Select", MIC1_INPUT_SELECT, 0, 0xff, 0), + SOC_SINGLE("MIC2 Input Select", MIC2_INPUT_SELECT, 0, 0xff, 0), + SOC_SINGLE("MIC2 to MIC1", MIC2_TO_MIC1, 0, 0x03, 0), + SOC_ENUM("I2S0 Input Select", soc_enum_i2s0_input_select), + SOC_ENUM("I2S1 Input Select", soc_enum_i2s1_input_select), + /* Routing of Side Tone and Analop Loop */ + SOC_ENUM("APGA1 Source", soc_enum_apga1_source), + SOC_ENUM("APGA2 Source", soc_enum_apga2_source), + SOC_ENUM("APGA1 Enable", soc_enum_apga1_enable), + SOC_ENUM("APGA2 Enable", soc_enum_apga2_enable), + SOC_ENUM("DAC1 Side Tone", soc_enum_dac1_side_tone), + SOC_ENUM("DAC2 Side Tone", soc_enum_dac2_side_tone), + /* RX Volume Control */ + SOC_SINGLE("RX-DPGA1 Gain", RX1_DPGA, 0, 0x43, 0), + SOC_SINGLE("RX-DPGA2 Gain", RX2_DPGA, 0, 0x43, 0), + SOC_SINGLE("RX-DPGA3 Gain", RX3_DPGA, 0, 0x43, 0), + SOC_SINGLE("LINE1 Gain", LINE1, LINEx_GAIN_SHIFT, 0x0a, 0), + SOC_SINGLE("LINE2 Gain", LINE2, LINEx_GAIN_SHIFT, 0x0a, 0), + SOC_SINGLE("SPKR1 Gain", SPKR1, SPKRx_GAIN_SHIFT, 0x16, 0), + SOC_SINGLE("SPKR2 Gain", SPKR2, SPKRx_GAIN_SHIFT, 0x16, 0), + SOC_SINGLE("EAR Gain", EAR_GAIN, EAR_GAIN_SHIFT, 0x12, 0), + SOC_SINGLE("AUXO1 Gain", AUXO1, AUXOx_GAIN_SHIFT, 0x0c, 0), + SOC_SINGLE("AUXO2 Gain", AUXO2, AUXOx_GAIN_SHIFT, 0x0c, 0), + SOC_SINGLE("AUXO3 Gain", AUXO3, AUXOx_GAIN_SHIFT, 0x0c, 0), + SOC_SINGLE("AUXO4 Gain", AUXO4, AUXOx_GAIN_SHIFT, 0x0c, 0), + /* TX Volume Control */ + SOC_SINGLE("MIC1 Gain", MIC1_GAIN, MICx_GAIN_SHIFT, 0x0a, 0), + SOC_SINGLE("MIC2 Gain", MIC2_GAIN, MICx_GAIN_SHIFT, 0x0a, 0), + SOC_SINGLE("TX-DPGA1 Gain", TX_DPGA1, TX_DPGAx_SHIFT, 0x0f, 0), + SOC_SINGLE("TX-DPGA2 Gain", TX_DPGA2, TX_DPGAx_SHIFT, 0x0f, 0), + /* Volume Control of Side Tone and Analog Loop */ + SOC_SINGLE("ST-PGA1 Gain", ST1_PGA, STx_PGA_SHIFT, 0x0a, 0), + SOC_SINGLE("ST-PGA2 Gain", ST2_PGA, STx_PGA_SHIFT, 0x0a, 0), + SOC_SINGLE("APGA1 Gain", ANALOG_LOOP_PGA1, APGAx_GAIN_SHIFT, 0x1d, 0), + SOC_SINGLE("APGA2 Gain", ANALOG_LOOP_PGA2, APGAx_GAIN_SHIFT, 0x1d, 0), + /* RX Properties */ + SOC_ENUM("DAC1 Power Mode", soc_enum_dac1_power_mode), + SOC_ENUM("DAC2 Power Mode", soc_enum_dac2_power_mode), + SOC_ENUM("DAC3 Power Mode", soc_enum_dac3_power_mode), + SOC_ENUM("EAR Power Mode", soc_enum_ear_power_mode), + SOC_ENUM("AUXO12 Power Mode", soc_enum_auxo12_power_mode), + SOC_ENUM("AUXO34 Power Mode", soc_enum_auxo34_power_mode), + SOC_ENUM("LINE1 Inversion", soc_enum_line1_inversion), + SOC_ENUM("LINE2 Inversion", soc_enum_line2_inversion), + SOC_ENUM("AUXO1 Inversion", soc_enum_auxo1_inversion), + SOC_ENUM("AUXO2 Inversion", soc_enum_auxo2_inversion), + SOC_ENUM("AUXO3 Inversion", soc_enum_auxo3_inversion), + SOC_ENUM("AUXO4 Inversion", soc_enum_auxo4_inversion), + SOC_ENUM("AUXO1 Pulldown Resistor", soc_enum_auxo1_pulldown_resistor), + SOC_ENUM("AUXO2 Pulldown Resistor", soc_enum_auxo2_pulldown_resistor), + SOC_ENUM("SPKR1 Mode", soc_enum_spkr1_mode), + SOC_ENUM("SPKR2 Mode", soc_enum_spkr2_mode), + SOC_ENUM("PWM SPKR1N POL", soc_enum_pwm_spkr1n_pol), + SOC_ENUM("PWM SPKR1P POL", soc_enum_pwm_spkr1p_pol), + SOC_ENUM("PWM SPKR2N POL", soc_enum_pwm_spkr2n_pol), + SOC_ENUM("PWM SPKR2P POL", soc_enum_pwm_spkr2p_pol), + /* TX Properties */ + SOC_SINGLE("MIC1 VMID", MIC1_VMID_SELECT, 0, 0x3f, 0), + SOC_SINGLE("MIC2 VMID", MIC2_VMID_SELECT, 0, 0x3f, 0), + SOC_ENUM("MBIAS1 PDN Impedance", soc_enum_mbias1_pdn_imp), + SOC_ENUM("MBIAS2 PDN Impedance", soc_enum_mbias2_pdn_imp), + SOC_ENUM("MBIAS2 Output Voltage", soc_enum_mbias2_out_v), + SOC_ENUM("MBIAS2 Internal Resistor", soc_enum_mbias2_int_r), + SOC_ENUM("MIC1 Input Impedance", soc_enum_mic1_in_imp), + SOC_ENUM("MIC2 Input Impedance", soc_enum_mic2_in_imp), + SOC_ENUM("TX1 HP Filter", soc_enum_tx1_hp_filter), + SOC_ENUM("TX2 HP Filter", soc_enum_tx2_hp_filter), + /* Side Tone and Analog Loop Properties */ + SOC_ENUM("ST1 HP Filter", soc_enum_st1_hp_filter), + SOC_ENUM("ST2 HP Filter", soc_enum_st2_hp_filter), + /* I2S Interface Properties */ + SOC_ENUM("I2S0 Word Length", soc_enum_i2s0_word_length), + SOC_ENUM("I2S1 Word Length", soc_enum_i2s1_word_length), + SOC_ENUM("I2S0 Mode", soc_enum_i2s0_mode), + SOC_ENUM("I2S1 Mode", soc_enum_i2s1_mode), + SOC_ENUM("I2S0 tri-state", soc_enum_i2s0_tristate), + SOC_ENUM("I2S1 tri-state", soc_enum_i2s1_tristate), + SOC_ENUM("I2S0 Pulldown Resistor", soc_enum_i2s0_pulldown_resistor), + SOC_ENUM("I2S1 Pulldown Resistor", soc_enum_i2s1_pulldown_resistor), + SOC_ENUM("I2S0 Sample Rate", soc_enum_i2s0_sample_rate), + SOC_ENUM("I2S1 Sample Rate", soc_enum_i2s1_sample_rate), + SOC_SINGLE("Interface Swap", INTERFACE_SWAP, 0, 0x03, 0), + /* Miscellaneous */ + SOC_SINGLE("Negative Charge Pump", NEG_CHARGE_PUMP, 0, 0x03, 0) +}; + +/* count the number of 1 */ +#define count_ones(x) ({ \ + int num; \ + typeof(x) y = x; \ + for (num = 0; y; y &= y - 1, num++) \ + ; \ + num; \ + }) + +enum enum_power { + POWER_OFF = 0, + POWER_ON = 1 +}; + +enum enum_link { + UNLINK = 0, + LINK = 1 +}; + +static enum enum_power get_widget_power_status(enum enum_widget widget) +{ + u8 val; + + if (widget >= number_of_widgets) + return POWER_OFF; + val = read_reg(widget_pm_array[widget].reg); + if (val & (1 << widget_pm_array[widget].shift)) + return POWER_ON; + else + return POWER_OFF; +} + +static int count_powered_neighbors(const unsigned long *neighbors) +{ + unsigned long i; + int n = 0; + for_each_set_bit(i, neighbors, number_of_widgets) { + if (get_widget_power_status(i) == POWER_ON) + n++; + } + return n; +} + +static int has_powered_neighbors(const unsigned long *neighbors) +{ + unsigned int i; + for_each_set_bit(i, neighbors, number_of_widgets) { + if (get_widget_power_status(i) == POWER_ON) + return 1; + } + return 0; +} + + +static int has_stacked_neighbors(const unsigned long *neighbors) +{ + unsigned long *stack_map = pm_stack_as_bitmap; + return bitmap_intersects(stack_map, neighbors, number_of_widgets); +} + +static void power_widget_unlocked(enum enum_power onoff, enum enum_widget widget) +{ + enum enum_widget w; + int done; + + if (widget >= number_of_widgets) + return; + if (get_widget_power_status(widget) == onoff) + return; + + for (w = widget, done = 0; !done;) { + unsigned long i; + unsigned long *srcs = widget_pm_array[w].source_list; + unsigned long *sinks = widget_pm_array[w].sink_list; + dev_dbg(ab5500_dev, "%s: processing widget %s.\n", + __func__, widget_names[w]); + + if (onoff == POWER_ON && + !bitmap_empty(srcs, number_of_widgets) && + !has_powered_neighbors(srcs)) { + pm_stack.stack[pm_stack.p++] = w; + for_each_set_bit(i, srcs, number_of_widgets) { + pm_stack.stack[pm_stack.p++] = i; + } + w = pm_stack.stack[--pm_stack.p]; + continue; + } else if (onoff == POWER_OFF && + has_powered_neighbors(sinks)) { + int n = 0; + pm_stack.stack[pm_stack.p++] = w; + for_each_set_bit(i, sinks, number_of_widgets) { + if (count_powered_neighbors( + widget_pm_array[i].source_list) + == 1 && + get_widget_power_status(i) == POWER_ON) { + pm_stack.stack[pm_stack.p++] = i; + n++; + } + } + if (n) { + w = pm_stack.stack[--pm_stack.p]; + continue; + } else + --pm_stack.p; + } + mask_set_reg(widget_pm_array[w].reg, + 1 << widget_pm_array[w].shift, + onoff == POWER_ON ? 0xff : 0); + dev_dbg(ab5500_dev, "%s: widget %s powered %s.\n", + __func__, widget_names[w], + onoff == POWER_ON ? "on" : "off"); + if (onoff == POWER_ON && + !bitmap_empty(sinks, number_of_widgets) && + !has_powered_neighbors(sinks) && + !has_stacked_neighbors(sinks)) { + for_each_set_bit(i, sinks, number_of_widgets) { + pm_stack.stack[pm_stack.p++] = i; + } + w = pm_stack.stack[--pm_stack.p]; + continue; + } else if (onoff == POWER_OFF) { + for_each_set_bit(i, srcs, number_of_widgets) { + if (!has_powered_neighbors( + widget_pm_array[i].sink_list) + && get_widget_power_status(i) == POWER_ON + && !test_bit(i, pm_stack_as_bitmap)) { + pm_stack.stack[pm_stack.p++] = i; + } + } + } + if (pm_stack.p > 0) + w = pm_stack.stack[--pm_stack.p]; + else + done = 1; + } +} + +static void power_widget_locked(enum enum_power onoff, + enum enum_widget widget) +{ + if (mutex_lock_interruptible(&ab5500_pm_mutex)) { + dev_warn(ab5500_dev, + "%s: Signal received while waiting on the PM mutex.\n", + __func__); + return; + } + power_widget_unlocked(onoff, widget); + mutex_unlock(&ab5500_pm_mutex); +} + + +static void dump_registers(const char *where, ...) +{ + va_list ap; + va_start(ap, where); + do { + short reg = va_arg(ap, int); + if (reg < 0) + break; + dev_dbg(ab5500_dev, "%s from %s> 0x%02X : 0x%02X.\n", + __func__, where, reg, read_reg(reg)); + } while (1); + va_end(ap); +} + +/** + * update the link two widgets. + * @op: 1 - connect; 0 - disconnect + * @src: source of the connection + * @sink: sink of the connection + */ +static int update_widgets_link(enum enum_link op, enum enum_widget src, + enum enum_widget sink, + u8 reg, u8 mask, u8 newval) +{ + int ret = 0; + + if (mutex_lock_interruptible(&ab5500_pm_mutex)) { + dev_warn(ab5500_dev, "%s: A signal is received while waiting on" + " the PM mutex.\n", __func__); + return -EINTR; + } + + switch (op << 2 | test_bit(sink, widget_pm_array[src].sink_list) << 1 | + test_bit(src, widget_pm_array[sink].source_list)) { + case 3: /* UNLINK, sink in sink_list, src in source_list */ + case 4: /* LINK, sink not in sink_list, src not in source_list */ + break; + default: + ret = -EINVAL; + goto end; + } + switch (((int)op) << 2 | get_widget_power_status(src) << 1 | + get_widget_power_status(sink)) { + case 3: /* op = 0, src on, sink on */ + if (count_powered_neighbors(widget_pm_array[sink].source_list) + == 1) + power_widget_unlocked(POWER_OFF, sink); + mask_set_reg(reg, mask, newval); + break; + case 6: /* op = 1, src on, sink off */ + mask_set_reg(reg, mask, newval); + power_widget_unlocked(POWER_ON, sink); + break; + default: + /* op = 0, src off, sink off */ + /* op = 0, src off, sink on */ + /* op = 0, src on, sink off */ + /* op = 1, src off, sink off */ + /* op = 1, src off, sink on */ + /* op = 1, src on, sink on */ + mask_set_reg(reg, mask, newval); + } + change_bit(sink, widget_pm_array[src].sink_list); + change_bit(src, widget_pm_array[sink].source_list); +end: + mutex_unlock(&ab5500_pm_mutex); + return ret; +}; + +static enum enum_widget apga_source_translate(u8 reg_value) +{ + switch (reg_value) { + case 1: + return widget_mic1; + case 2: + return widget_mic2; + default: + return number_of_widgets; + } +} + +static enum enum_widget adder_sink_translate(u8 reg) +{ + switch (reg) { + case EAR_ADDER: + return widget_ear; + case AUXO1_ADDER: + return widget_auxo1; + case AUXO2_ADDER: + return widget_auxo2; + case AUXO3_ADDER: + return widget_auxo3; + case AUXO4_ADDER: + return widget_auxo4; + case SPKR1_ADDER: + return widget_spkr1; + case SPKR2_ADDER: + return widget_spkr2; + case LINE1_ADDER: + return widget_line1; + case LINE2_ADDER: + return widget_line2; + default: + return number_of_widgets; + } +} + +static int ab5500_add_widgets(struct snd_soc_codec *codec) +{ + snd_soc_dapm_new_controls(&codec->dapm, ab5500_dapm_widgets, + ARRAY_SIZE(ab5500_dapm_widgets)); + + snd_soc_dapm_add_routes(&codec->dapm, intercon, ARRAY_SIZE(intercon)); + + snd_soc_dapm_new_widgets(&codec->dapm); + return 0; +} + +static void power_for_playback(enum enum_power onoff, int ifsel) +{ + dev_dbg(ab5500_dev, "%s: interface %d power %s.\n", __func__, + ifsel, onoff == POWER_ON ? "on" : "off"); + if (mutex_lock_interruptible(&ab5500_pm_mutex)) { + dev_warn(ab5500_dev, + "%s: Signal received while waiting on the PM mutex.\n", + __func__); + return; + } + mask_set_reg(ENV_THR, ENV_THR_HIGH_MASK, 0x0F << ENV_THR_HIGH_SHIFT); + mask_set_reg(ENV_THR, ENV_THR_LOW_MASK, 0x00 << ENV_THR_LOW_SHIFT); + mask_set_reg(DC_CANCEL, DC_CANCEL_AUXO12_MASK, + 0x01 << DC_CANCEL_AUXO12_SHIFT); + + power_widget_unlocked(onoff, ifsel == 0 ? + widget_if0_dld_l : widget_if1_dld_l); + power_widget_unlocked(onoff, ifsel == 0 ? + widget_if0_dld_r : widget_if1_dld_r); + + mutex_unlock(&ab5500_pm_mutex); +} + +static int enable_regulator(enum regulator_idx idx) +{ + int ret; + + if (reg_enabled[idx]) + return 0; + + ret = regulator_enable(reg_info[idx].consumer); + if (ret != 0) { + pr_err("%s: Failure to enable regulator '%s' (ret = %d)\n", + __func__, reg_info[idx].supply, ret); + return ret; + }; + + reg_enabled[idx] = true; + pr_debug("%s: Enabled regulator '%s', status: %d, %d\n", + __func__, + reg_info[idx].supply, + (int)reg_enabled[0], + (int)reg_enabled[1]); + return 0; +} + +static void disable_regulator(enum regulator_idx idx) +{ + if (!reg_enabled[idx]) + return; + + regulator_disable(reg_info[idx].consumer); + + reg_enabled[idx] = false; + pr_debug("%s: Disabled regulator '%s', status: %d, %d\n", + __func__, + reg_info[idx].supply, + (int)reg_enabled[0], + (int)reg_enabled[1]); +} + +static void power_for_capture(enum enum_power onoff, int ifsel) +{ + int err; + int mask; + + dev_info(ab5500_dev, "%s: interface %d power %s", __func__, + ifsel, onoff == POWER_ON ? "on" : "off"); + if (mutex_lock_interruptible(&ab5500_pm_mutex)) { + dev_warn(ab5500_dev, + "%s: Signal received while waiting on the PM mutex.\n", + __func__); + return; + } + power_widget_unlocked(onoff, ifsel == 0 ? + widget_if0_uld_l : widget_if1_uld_l); + power_widget_unlocked(onoff, ifsel == 0 ? + widget_if0_uld_r : widget_if1_uld_r); + + mask = (read_reg(TX2) & TXx_MUX_MASK) >> TXx_MUX_SHIFT; + + switch (onoff << 2 | mask) { + case 0: /* Power off : Amic */ + disable_regulator(REGULATOR_AMIC); + break; + case 1: /* Power off : Dmic */ + case 2: + disable_regulator(REGULATOR_DMIC); + break; + case 4: /* Power on : Amic */ + err = enable_regulator(REGULATOR_AMIC); + if (err < 0) + goto unlock; + break; + case 5: /* Power on : Dmic */ + case 6: + err = enable_regulator(REGULATOR_DMIC); + if (err < 0) + goto unlock; + break; + default: + pr_debug("%s : Not a valid regulator combination\n", + __func__); + break; + } +unlock: + mutex_unlock(&ab5500_pm_mutex); +} + +static int ab5500_add_controls(struct snd_soc_codec *codec) +{ + int err = 0, i, n = ARRAY_SIZE(ab5500_snd_controls); + + pr_info("%s: %s called.\n", __FILE__, __func__); + for (i = 0; i < n; i++) { + err = snd_ctl_add(codec->card->snd_card, snd_ctl_new1( + &ab5500_snd_controls[i], codec)); + if (err < 0) { + pr_err("%s failed to add control No.%d of %d.\n", + __func__, i, n); + return err; + } + } + return err; +} + +static int ab5500_pcm_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? + dai->playback_active : dai->capture_active) { + dev_err(dai->dev, "A %s stream is already active.\n", + substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? + "playback" : "capture"); + return -EBUSY; + } + return 0; +} + +static int ab5500_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params, + struct snd_soc_dai *dai) +{ + u8 val; + u8 reg = dai->id == 0 ? INTERFACE0 : INTERFACE1; + + if (!ab5500_dev) { + pr_err("%s: The AB5500 codec driver not initialized.\n", + __func__); + return -EAGAIN; + } + dev_info(ab5500_dev, "%s called.\n", __func__); + switch (params_rate(hw_params)) { + case 8000: + val = I2Sx_SR_8000Hz; + break; + case 16000: + val = I2Sx_SR_16000Hz; + break; + case 44100: + val = I2Sx_SR_44100Hz; + break; + case 48000: + val = I2Sx_SR_48000Hz; + break; + default: + return -EINVAL; + } + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? + !dai->capture_active : !dai->playback_active) { + + mask_set_reg(reg, I2Sx_SR_MASK, val << I2Sx_SR_SHIFT); + if ((read_reg(reg) & I2Sx_MODE_MASK) == 0) { + mask_set_reg(reg, MASTER_GENx_PWR_MASK, + 1 << MASTER_GENx_PWR_SHIFT); + } + } + return 0; +} + +static int ab5500_pcm_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + u8 value = (dai->id == 1) ? INTERFACE1 : INTERFACE0; + + dev_info(ab5500_dev, "%s called.\n", __func__); + + /* Configure registers for either playback or capture */ + if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) && + !(ab5500_codec_privates[dai->id].playback_active == true)) { + power_for_playback(POWER_ON, dai->id); + ab5500_codec_privates[dai->id].playback_active = true; + mask_set_reg(value, I2Sx_TRISTATE_MASK, + 0 << I2Sx_TRISTATE_SHIFT); + } else if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) && + !(ab5500_codec_privates[dai->id].capture_active == true)) { + power_for_capture(POWER_ON, dai->id); + ab5500_codec_privates[dai->id].capture_active = true; + mask_set_reg(value, I2Sx_TRISTATE_MASK, + 0 << I2Sx_TRISTATE_SHIFT); + + } + mutex_lock(&ab5500_clk_mutex); + ab5500_clk_request++; + if (ab5500_clk_request == 1) + mask_set_reg(CLOCK, CLOCK_ENABLE_MASK, 1 << CLOCK_ENABLE_SHIFT); + mutex_unlock(&ab5500_clk_mutex); + + dump_registers(__func__, RX1, AUXO1_ADDER, RX2, + AUXO2_ADDER, RX1_DPGA, RX2_DPGA, AUXO1, AUXO2, -1); + + return 0; +} + +static void ab5500_pcm_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + u8 iface = (dai->id == 0) ? INTERFACE0 : INTERFACE1; + dev_info(ab5500_dev, "%s called.\n", __func__); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + power_for_playback(POWER_OFF, dai->id); + ab5500_codec_privates[dai->id].playback_active = false; + } else { + power_for_capture(POWER_OFF, dai->id); + ab5500_codec_privates[dai->id].capture_active = false; + } + if (!dai->playback_active && !dai->capture_active && + (read_reg(iface) & I2Sx_MODE_MASK) == 0) { + mask_set_reg(iface, I2Sx_TRISTATE_MASK, + 1 << I2Sx_TRISTATE_SHIFT); + mask_set_reg(iface, MASTER_GENx_PWR_MASK, 0); + } + mutex_lock(&ab5500_clk_mutex); + ab5500_clk_request--; + if (ab5500_clk_request == 0) + mask_set_reg(CLOCK, CLOCK_ENABLE_MASK, 0 << CLOCK_ENABLE_SHIFT); + mutex_unlock(&ab5500_clk_mutex); +} + +static int ab5500_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + return 0; +} + +static int ab5500_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + u8 iface = (codec_dai->id == 0) ? INTERFACE0 : INTERFACE1; + u8 val = 0; + dev_info(ab5500_dev, "%s called.\n", __func__); + + switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK | + SND_SOC_DAIFMT_MASTER_MASK)) { + + case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS: + val |= 1 << I2Sx_MODE_SHIFT; + mask_set_reg(iface, I2Sx_MODE_MASK, val); + break; + + case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM: + break; + + default: + dev_warn(ab5500_dev, "AB5500_dai: unsupported DAI format " + "0x%x\n", fmt); + return -EINVAL; + } + if (codec_dai->playback_active && codec_dai->capture_active) { + if ((read_reg(iface) & I2Sx_MODE_MASK) == val) + return 0; + else { + dev_err(ab5500_dev, + "%s: DAI format set differently " + "by an existing stream.\n", __func__); + return -EINVAL; + } + } + mask_set_reg(iface, I2Sx_MODE_MASK, val); + return 0; +} + +struct snd_soc_dai_driver ab5500_dai_drv[] = { + { + .name = "ab5500-codec-dai.0", + .id = 0, + .playback = { + .stream_name = "ab5500.0 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = AB5500_SUPPORTED_RATE, + .formats = AB5500_SUPPORTED_FMT, + }, + .capture = { + .stream_name = "ab5500.0 Capture", + .channels_min = 2, + .channels_max = 2, + .rates = AB5500_SUPPORTED_RATE, + .formats = AB5500_SUPPORTED_FMT, + }, + .ops = (struct snd_soc_dai_ops[]) { + { + .startup = ab5500_pcm_startup, + .prepare = ab5500_pcm_prepare, + .hw_params = ab5500_pcm_hw_params, + .shutdown = ab5500_pcm_shutdown, + .set_sysclk = ab5500_set_dai_sysclk, + .set_fmt = ab5500_set_dai_fmt, + } + }, + .symmetric_rates = 1, + }, + { + .name = "ab5500-codec-dai.1", + .id = 1, + .playback = { + .stream_name = "ab5500.1 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = AB5500_SUPPORTED_RATE, + .formats = AB5500_SUPPORTED_FMT, + }, + .capture = { + .stream_name = "ab5500.1 Capture", + .channels_min = 2, + .channels_max = 2, + .rates = AB5500_SUPPORTED_RATE, + .formats = AB5500_SUPPORTED_FMT, + }, + .ops = (struct snd_soc_dai_ops[]) { + { + .startup = ab5500_pcm_startup, + .prepare = ab5500_pcm_prepare, + .hw_params = ab5500_pcm_hw_params, + .shutdown = ab5500_pcm_shutdown, + .set_sysclk = ab5500_set_dai_sysclk, + .set_fmt = ab5500_set_dai_fmt, + } + }, + .symmetric_rates = 1, + } +}; + +static int ab5500_codec_probe(struct snd_soc_codec *codec) +{ + int ret = ab5500_add_controls(codec); + if (ret < 0) + return ret; + ab5500_add_widgets(codec); + return 0; +} + +static int ab5500_codec_remove(struct snd_soc_codec *codec) +{ + snd_soc_dapm_free(&codec->dapm); + return 0; +} + +#ifdef CONFIG_PM +static int ab5500_codec_suspend(struct snd_soc_codec *codec, + pm_message_t state) +{ + if (!ab5500_clk_request) + mask_set_reg(CLOCK, CLOCK_ENABLE_MASK, 0); + return 0; +} + +static int ab5500_codec_resume(struct snd_soc_codec *codec) +{ + if (ab5500_clk_request) + mask_set_reg(CLOCK, CLOCK_ENABLE_MASK, 0xff); + return 0; +} +#else +#define ab5500_codec_resume NULL +#define ab5500_codec_suspend NULL +#endif + +/** + This function is only called by the SOC framework to + set registers associated to the mixer controls. +*/ +static int ab5500_codec_write_reg(struct snd_soc_codec *codec, + unsigned int reg, unsigned int value) +{ + if (reg < MIC_BIAS1 || reg > INTERFACE_SWAP) + return -EINVAL; + switch (reg) { + u8 diff, oldval; + case ANALOG_LOOP_PGA1: + case ANALOG_LOOP_PGA2: { + enum enum_widget apga = reg == ANALOG_LOOP_PGA1 ? + widget_apga1 : widget_apga2; + + oldval = read_reg(reg); + diff = value ^ oldval; + + /* + * The APGA is to be turned on/off. The power bit and the + * other bits in the same register won't be changed at the + * same time since they belong to different controls. + */ + if (diff & (1 << APGAx_PWR_SHIFT)) { + power_widget_locked(value >> APGAx_PWR_SHIFT & 1, + apga); + } else if (diff & APGAx_MUX_MASK) { + enum enum_widget old_source = + apga_source_translate(oldval); + enum enum_widget new_source = + apga_source_translate(value); + update_widgets_link(UNLINK, old_source, apga, + reg, APGAx_MUX_MASK, 0); + update_widgets_link(LINK, new_source, apga, + reg, APGAx_MUX_MASK, value); + } else { + set_reg(reg, value); + } + break; + } + + case AUXO3_ADDER: + case AUXO4_ADDER: + case SPKR2_ADDER: + case LINE1_ADDER: + case LINE2_ADDER: { + int i; + enum enum_widget widgets[] = { + widget_dac1, widget_dac2, widget_dac3, + widget_apga1, widget_apga2 + }; + oldval = read_reg(reg); + diff = value ^ oldval; + for (i = 0; diff; i++) { + if (!(diff & 1 << i)) + continue; + diff ^= 1 << i; + update_widgets_link(value >> i & 1, widgets[i], + adder_sink_translate(reg), + reg, 1 << i, value); + } + break; + } + case AB5500_VIRTUAL_REG3: + oldval = read_reg(reg); + diff = value ^ oldval; + /* + * The following changes won't take place in the same call, + * since they are arranged into different mixer controls. + */ + + /* changed between the two amplifier modes */ + if (count_ones(diff & SPKR1_MODE_MASK) == 2) { + set_reg(reg, value); + break; + } + + if (diff & SPKR1_MODE_MASK) { + update_widgets_link( + UNLINK, + (oldval & SPKR1_MODE_MASK) == 0 ? + widget_pwm_spkr1 : widget_spkr1_adder, + widget_spkr1, + reg, SPKR1_MODE_MASK, value); + update_widgets_link( + LINK, + (value & SPKR1_MODE_MASK) == 0 ? + widget_pwm_spkr1 : widget_spkr1_adder, + widget_spkr1, + DUMMY_REG, 0, 0); + + } + if (diff & SPKR2_MODE_MASK) { + update_widgets_link( + UNLINK, + (oldval & SPKR2_MODE_MASK) == 0 ? + widget_pwm_spkr2 : widget_spkr2_adder, + widget_spkr2, + reg, SPKR2_MODE_MASK, value); + update_widgets_link( + LINK, + (value & SPKR2_MODE_MASK) == 0 ? + widget_pwm_spkr2 : widget_spkr2_adder, + widget_spkr2, + DUMMY_REG, 0, 0); + + } + break; + + case AB5500_VIRTUAL_REG4: + /* configure PWMCTRL_SPKR1, PWMCTRL_SPKR2, etc. */ + break; + default: + set_reg(reg, value); + } + return 0; +} + +static unsigned int ab5500_codec_read_reg(struct snd_soc_codec *codec, + unsigned int reg) +{ + return read_reg(reg); +} + + +static struct snd_soc_codec_driver ab5500_codec_drv = { + .probe = ab5500_codec_probe, + .remove = ab5500_codec_remove, + .suspend = ab5500_codec_suspend, + .resume = ab5500_codec_resume, + .read = ab5500_codec_read_reg, + .write = ab5500_codec_write_reg, +}; +EXPORT_SYMBOL_GPL(ab5500_codec_drv); + +static inline void init_playback_route(void) +{ + /* if0_dld_l -> rx1 -> dac1 -> auxo1 */ + update_widgets_link(LINK, widget_if0_dld_l, widget_rx1, 0, 0, 0); + update_widgets_link(LINK, widget_rx1, widget_dac1, 0, 0, 0); + update_widgets_link(LINK, widget_dac1, widget_auxo1, 0, 0, 0); + + /* if0_dld_r -> rx2 -> dac2 -> auxo2 */ + update_widgets_link(LINK, widget_if0_dld_r, widget_rx2, 0, 0, 0); + update_widgets_link(LINK, widget_rx2, widget_dac2, 0, 0, 0); + update_widgets_link(LINK, widget_dac2, widget_auxo2, 0, 0, 0); + + /* Earpiece */ + update_widgets_link(LINK, widget_dac1, widget_ear, 0, 0, 0); + + /* if1_dld_l -> rx3 -> dac3 -> spkr1 */ + update_widgets_link(LINK, widget_if1_dld_l, widget_rx3, 0, 0, 0); + update_widgets_link(LINK, widget_rx3, widget_dac3, 0, 0, 0); + update_widgets_link(LINK, widget_dac3, widget_spkr1, 0, 0, 0); + +} + +static inline void init_capture_route(void) +{ + /* mic bias - > mic2 inputs */ + update_widgets_link(LINK, widget_micbias1, widget_mic2p2, 0, 0, 0); + update_widgets_link(LINK, widget_micbias1, widget_mic2n2, 0, 0, 0); + + /* mic2 inputs -> mic2 */ + update_widgets_link(LINK, widget_mic2p2, widget_mic2, 0, 0, 0); + update_widgets_link(LINK, widget_mic2n2, widget_mic2, 0, 0, 0); + + /* mic2 -> adc2 -> tx2 */ + update_widgets_link(LINK, widget_mic2, widget_adc2, 0, 0, 0); + update_widgets_link(LINK, widget_adc2, widget_tx2, 0, 0, 0); + + /* tx2 -> if0_uld_l & if0_uld_r */ + update_widgets_link(LINK, widget_tx2, widget_if0_uld_l, 0, 0, 0); + update_widgets_link(LINK, widget_tx2, widget_if0_uld_r, 0, 0, 0); +} + +static int create_regulators(void) +{ + int i, status = 0; + + pr_debug("%s: Enter.\n", __func__); + + for (i = 0; i < ARRAY_SIZE(reg_info); ++i) + reg_info[i].consumer = NULL; + + for (i = 0; i < ARRAY_SIZE(reg_info); ++i) { + reg_info[i].consumer = regulator_get(ab5500_dev, + reg_info[i].supply); + if (IS_ERR(reg_info[i].consumer)) { + status = PTR_ERR(reg_info[i].consumer); + pr_err("%s: ERROR: Failed to get regulator '%s' (ret = %d)!\n", + __func__, reg_info[i].supply, status); + reg_info[i].consumer = NULL; + goto err_get; + } + } + + return 0; + +err_get: + + for (i = 0; i < ARRAY_SIZE(reg_info); ++i) { + if (reg_info[i].consumer) { + regulator_put(reg_info[i].consumer); + reg_info[i].consumer = NULL; + } + } + + return status; +} + +static int __devinit ab5500_platform_probe(struct platform_device *pdev) +{ + int ret = 0; + u8 reg; + struct ab5500_codec_dai_data *codec_drvdata; + int status; + + pr_info("%s invoked with pdev = %p.\n", __func__, pdev); + ab5500_dev = &pdev->dev; + + status = create_regulators(); + if (status < 0) { + pr_err("%s: ERROR: Failed to instantiate regulators (ret = %d)!\n", + __func__, status); + return status; + } + codec_drvdata = kzalloc(sizeof(struct ab5500_codec_dai_data), + GFP_KERNEL); + if (codec_drvdata == NULL) + return -ENOMEM; + platform_set_drvdata(pdev, codec_drvdata); + ret = snd_soc_register_codec(ab5500_dev, &ab5500_codec_drv, + ab5500_dai_drv, + ARRAY_SIZE(ab5500_dai_drv)); + if (ret < 0) { + dev_err(ab5500_dev, "%s: Failed to register codec. " + "Error %d.\n", __func__, ret); + snd_soc_unregister_codec(ab5500_dev); + kfree(codec_drvdata); + } + /* Initialize the codec registers */ + for (reg = AB5500_FIRST_REG; reg <= AB5500_LAST_REG; reg++) + set_reg(reg, 0); + + mask_set_reg(INTERFACE0, I2Sx_TRISTATE_MASK, 1 << I2Sx_TRISTATE_SHIFT); + mask_set_reg(INTERFACE1, I2Sx_TRISTATE_MASK, 1 << I2Sx_TRISTATE_SHIFT); + + printk(KERN_ERR "Clock Setting ab5500\n"); + init_playback_route(); + init_capture_route(); + memset(&pm_stack, 0, sizeof(pm_stack)); + return ret; +} + +static int __devexit ab5500_platform_remove(struct platform_device *pdev) +{ + pr_info("%s called.\n", __func__); + regulator_bulk_free(ARRAY_SIZE(reg_info), reg_info); + mask_set_reg(CLOCK, CLOCK_ENABLE_MASK, 0); + snd_soc_unregister_codec(ab5500_dev); + kfree(platform_get_drvdata(pdev)); + ab5500_dev = NULL; + return 0; +} + +static int ab5500_platform_suspend(struct platform_device *pdev, + pm_message_t state) +{ + return 0; +} + +static int ab5500_platform_resume(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver ab5500_platform_driver = { + .driver = { + .name = "ab5500-codec", + .owner = THIS_MODULE, + }, + .probe = ab5500_platform_probe, + .remove = ab5500_platform_remove, + .suspend = ab5500_platform_suspend, + .resume = ab5500_platform_resume, +}; + +static int __devinit ab5500_init(void) +{ + int ret; + + pr_info("%s called.\n", __func__); + + /* Register codec platform driver. */ + ret = platform_driver_register(&ab5500_platform_driver); + if (ret) { + pr_err("%s: Error %d: Failed to register codec platform " + "driver.\n", __func__, ret); + } + return ret; +} + +static void __devexit ab5500_exit(void) +{ + pr_info("%s called.\n", __func__); + platform_driver_unregister(&ab5500_platform_driver); +} + +module_init(ab5500_init); +module_exit(ab5500_exit); + +MODULE_DESCRIPTION("AB5500 Codec driver"); +MODULE_AUTHOR("Xie Xiaolei <xie.xiaolei@stericsson.com>"); +MODULE_LICENSE("GPL"); |