diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/wm8996.c | 3098 |
1 files changed, 3098 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c new file mode 100644 index 000000000..b52ed89d6 --- /dev/null +++ b/sound/soc/codecs/wm8996.c @@ -0,0 +1,3098 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * wm8996.c - WM8996 audio codec interface + * + * Copyright 2011-2 Wolfson Microelectronics PLC. + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/gcd.h> +#include <linux/gpio/driver.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <trace/events/asoc.h> + +#include <sound/wm8996.h> +#include "wm8996.h" + +#define WM8996_AIFS 2 + +#define HPOUT1L 1 +#define HPOUT1R 2 +#define HPOUT2L 4 +#define HPOUT2R 8 + +#define WM8996_NUM_SUPPLIES 3 +static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = { + "DBVDD", + "AVDD1", + "AVDD2", +}; + +struct wm8996_priv { + struct device *dev; + struct regmap *regmap; + struct snd_soc_component *component; + + int ldo1ena; + + int sysclk; + int sysclk_src; + + int fll_src; + int fll_fref; + int fll_fout; + + struct completion fll_lock; + + u16 dcs_pending; + struct completion dcs_done; + + u16 hpout_ena; + u16 hpout_pending; + + struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES]; + struct notifier_block disable_nb[WM8996_NUM_SUPPLIES]; + int bg_ena; + + struct wm8996_pdata pdata; + + int rx_rate[WM8996_AIFS]; + int bclk_rate[WM8996_AIFS]; + + /* Platform dependant ReTune mobile configuration */ + int num_retune_mobile_texts; + const char **retune_mobile_texts; + int retune_mobile_cfg[2]; + struct soc_enum retune_mobile_enum; + + struct snd_soc_jack *jack; + bool detecting; + bool jack_mic; + int jack_flips; + wm8996_polarity_fn polarity_cb; + +#ifdef CONFIG_GPIOLIB + struct gpio_chip gpio_chip; +#endif +}; + +/* We can't use the same notifier block for more than one supply and + * there's no way I can see to get from a callback to the caller + * except container_of(). + */ +#define WM8996_REGULATOR_EVENT(n) \ +static int wm8996_regulator_event_##n(struct notifier_block *nb, \ + unsigned long event, void *data) \ +{ \ + struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \ + disable_nb[n]); \ + if (event & REGULATOR_EVENT_DISABLE) { \ + regcache_mark_dirty(wm8996->regmap); \ + } \ + return 0; \ +} + +WM8996_REGULATOR_EVENT(0) +WM8996_REGULATOR_EVENT(1) +WM8996_REGULATOR_EVENT(2) + +static const struct reg_default wm8996_reg[] = { + { WM8996_POWER_MANAGEMENT_1, 0x0 }, + { WM8996_POWER_MANAGEMENT_2, 0x0 }, + { WM8996_POWER_MANAGEMENT_3, 0x0 }, + { WM8996_POWER_MANAGEMENT_4, 0x0 }, + { WM8996_POWER_MANAGEMENT_5, 0x0 }, + { WM8996_POWER_MANAGEMENT_6, 0x0 }, + { WM8996_POWER_MANAGEMENT_7, 0x10 }, + { WM8996_POWER_MANAGEMENT_8, 0x0 }, + { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 }, + { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 }, + { WM8996_LINE_INPUT_CONTROL, 0x0 }, + { WM8996_DAC1_HPOUT1_VOLUME, 0x88 }, + { WM8996_DAC2_HPOUT2_VOLUME, 0x88 }, + { WM8996_DAC1_LEFT_VOLUME, 0x2c0 }, + { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 }, + { WM8996_DAC2_LEFT_VOLUME, 0x2c0 }, + { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 }, + { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 }, + { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 }, + { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 }, + { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 }, + { WM8996_MICBIAS_1, 0x39 }, + { WM8996_MICBIAS_2, 0x39 }, + { WM8996_LDO_1, 0x3 }, + { WM8996_LDO_2, 0x13 }, + { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 }, + { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 }, + { WM8996_HEADPHONE_DETECT_1, 0x20 }, + { WM8996_HEADPHONE_DETECT_2, 0x0 }, + { WM8996_MIC_DETECT_1, 0x7600 }, + { WM8996_MIC_DETECT_2, 0xbf }, + { WM8996_CHARGE_PUMP_1, 0x1f25 }, + { WM8996_CHARGE_PUMP_2, 0xab19 }, + { WM8996_DC_SERVO_1, 0x0 }, + { WM8996_DC_SERVO_3, 0x0 }, + { WM8996_DC_SERVO_5, 0x2a2a }, + { WM8996_DC_SERVO_6, 0x0 }, + { WM8996_DC_SERVO_7, 0x0 }, + { WM8996_ANALOGUE_HP_1, 0x0 }, + { WM8996_ANALOGUE_HP_2, 0x0 }, + { WM8996_CONTROL_INTERFACE_1, 0x8004 }, + { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 }, + { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 }, + { WM8996_AIF_CLOCKING_1, 0x0 }, + { WM8996_AIF_CLOCKING_2, 0x0 }, + { WM8996_CLOCKING_1, 0x10 }, + { WM8996_CLOCKING_2, 0x0 }, + { WM8996_AIF_RATE, 0x83 }, + { WM8996_FLL_CONTROL_1, 0x0 }, + { WM8996_FLL_CONTROL_2, 0x0 }, + { WM8996_FLL_CONTROL_3, 0x0 }, + { WM8996_FLL_CONTROL_4, 0x5dc0 }, + { WM8996_FLL_CONTROL_5, 0xc84 }, + { WM8996_FLL_EFS_1, 0x0 }, + { WM8996_FLL_EFS_2, 0x2 }, + { WM8996_AIF1_CONTROL, 0x0 }, + { WM8996_AIF1_BCLK, 0x0 }, + { WM8996_AIF1_TX_LRCLK_1, 0x80 }, + { WM8996_AIF1_TX_LRCLK_2, 0x8 }, + { WM8996_AIF1_RX_LRCLK_1, 0x80 }, + { WM8996_AIF1_RX_LRCLK_2, 0x0 }, + { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 }, + { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 }, + { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 }, + { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 }, + { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 }, + { WM8996_AIF1TX_TEST, 0x7 }, + { WM8996_AIF2_CONTROL, 0x0 }, + { WM8996_AIF2_BCLK, 0x0 }, + { WM8996_AIF2_TX_LRCLK_1, 0x80 }, + { WM8996_AIF2_TX_LRCLK_2, 0x8 }, + { WM8996_AIF2_RX_LRCLK_1, 0x80 }, + { WM8996_AIF2_RX_LRCLK_2, 0x0 }, + { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 }, + { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 }, + { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 }, + { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 }, + { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 }, + { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 }, + { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 }, + { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 }, + { WM8996_AIF2TX_TEST, 0x1 }, + { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 }, + { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 }, + { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 }, + { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 }, + { WM8996_DSP1_TX_FILTERS, 0x2000 }, + { WM8996_DSP1_RX_FILTERS_1, 0x200 }, + { WM8996_DSP1_RX_FILTERS_2, 0x10 }, + { WM8996_DSP1_DRC_1, 0x98 }, + { WM8996_DSP1_DRC_2, 0x845 }, + { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 }, + { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 }, + { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca }, + { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 }, + { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 }, + { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 }, + { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 }, + { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 }, + { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 }, + { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 }, + { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 }, + { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 }, + { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 }, + { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e }, + { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 }, + { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad }, + { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 }, + { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 }, + { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 }, + { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 }, + { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 }, + { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 }, + { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 }, + { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 }, + { WM8996_DSP2_TX_FILTERS, 0x2000 }, + { WM8996_DSP2_RX_FILTERS_1, 0x200 }, + { WM8996_DSP2_RX_FILTERS_2, 0x10 }, + { WM8996_DSP2_DRC_1, 0x98 }, + { WM8996_DSP2_DRC_2, 0x845 }, + { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 }, + { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 }, + { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca }, + { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 }, + { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 }, + { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 }, + { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 }, + { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 }, + { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 }, + { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 }, + { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 }, + { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 }, + { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 }, + { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e }, + { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 }, + { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad }, + { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 }, + { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 }, + { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 }, + { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 }, + { WM8996_DAC1_MIXER_VOLUMES, 0x0 }, + { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 }, + { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 }, + { WM8996_DAC2_MIXER_VOLUMES, 0x0 }, + { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 }, + { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 }, + { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 }, + { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 }, + { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 }, + { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 }, + { WM8996_DSP_TX_MIXER_SELECT, 0x0 }, + { WM8996_DAC_SOFTMUTE, 0x0 }, + { WM8996_OVERSAMPLING, 0xd }, + { WM8996_SIDETONE, 0x1040 }, + { WM8996_GPIO_1, 0xa101 }, + { WM8996_GPIO_2, 0xa101 }, + { WM8996_GPIO_3, 0xa101 }, + { WM8996_GPIO_4, 0xa101 }, + { WM8996_GPIO_5, 0xa101 }, + { WM8996_PULL_CONTROL_1, 0x0 }, + { WM8996_PULL_CONTROL_2, 0x140 }, + { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f }, + { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf }, + { WM8996_LEFT_PDM_SPEAKER, 0x0 }, + { WM8996_RIGHT_PDM_SPEAKER, 0x1 }, + { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 }, + { WM8996_PDM_SPEAKER_VOLUME, 0x66 }, +}; + +static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0); +static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); +static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); +static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0); +static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0); +static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0); +static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); +static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1); + +static const char *sidetone_hpf_text[] = { + "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz" +}; + +static SOC_ENUM_SINGLE_DECL(sidetone_hpf, + WM8996_SIDETONE, 7, sidetone_hpf_text); + +static const char *hpf_mode_text[] = { + "HiFi", "Custom", "Voice" +}; + +static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode, + WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text); + +static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode, + WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text); + +static const char *hpf_cutoff_text[] = { + "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" +}; + +static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff, + WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text); + +static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff, + WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text); + +static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct wm8996_pdata *pdata = &wm8996->pdata; + int base, best, best_val, save, i, cfg, iface; + + if (!wm8996->num_retune_mobile_texts) + return; + + switch (block) { + case 0: + base = WM8996_DSP1_RX_EQ_GAINS_1; + if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) & + WM8996_DSP1RX_SRC) + iface = 1; + else + iface = 0; + break; + case 1: + base = WM8996_DSP1_RX_EQ_GAINS_2; + if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) & + WM8996_DSP2RX_SRC) + iface = 1; + else + iface = 0; + break; + default: + return; + } + + /* Find the version of the currently selected configuration + * with the nearest sample rate. */ + cfg = wm8996->retune_mobile_cfg[block]; + best = 0; + best_val = INT_MAX; + for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { + if (strcmp(pdata->retune_mobile_cfgs[i].name, + wm8996->retune_mobile_texts[cfg]) == 0 && + abs(pdata->retune_mobile_cfgs[i].rate + - wm8996->rx_rate[iface]) < best_val) { + best = i; + best_val = abs(pdata->retune_mobile_cfgs[i].rate + - wm8996->rx_rate[iface]); + } + } + + dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n", + block, + pdata->retune_mobile_cfgs[best].name, + pdata->retune_mobile_cfgs[best].rate, + wm8996->rx_rate[iface]); + + /* The EQ will be disabled while reconfiguring it, remember the + * current configuration. + */ + save = snd_soc_component_read(component, base); + save &= WM8996_DSP1RX_EQ_ENA; + + for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++) + snd_soc_component_update_bits(component, base + i, 0xffff, + pdata->retune_mobile_cfgs[best].regs[i]); + + snd_soc_component_update_bits(component, base, WM8996_DSP1RX_EQ_ENA, save); +} + +/* Icky as hell but saves code duplication */ +static int wm8996_get_retune_mobile_block(const char *name) +{ + if (strcmp(name, "DSP1 EQ Mode") == 0) + return 0; + if (strcmp(name, "DSP2 EQ Mode") == 0) + return 1; + return -EINVAL; +} + +static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct wm8996_pdata *pdata = &wm8996->pdata; + int block = wm8996_get_retune_mobile_block(kcontrol->id.name); + int value = ucontrol->value.enumerated.item[0]; + + if (block < 0) + return block; + + if (value >= pdata->num_retune_mobile_cfgs) + return -EINVAL; + + wm8996->retune_mobile_cfg[block] = value; + + wm8996_set_retune_mobile(component, block); + + return 0; +} + +static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int block = wm8996_get_retune_mobile_block(kcontrol->id.name); + + if (block < 0) + return block; + ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block]; + + return 0; +} + +static const struct snd_kcontrol_new wm8996_snd_controls[] = { +SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME, + WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv), +SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME, + WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0), + +SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES, + 0, 5, 24, 0, sidetone_tlv), +SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES, + 0, 5, 24, 0, sidetone_tlv), +SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0), +SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf), +SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0), + +SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME, + WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), +SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME, + WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), + +SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS, + 13, 1, 0), +SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0), +SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode), +SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff), + +SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS, + 13, 1, 0), +SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0), +SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode), +SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff), + +SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME, + WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), +SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1), + +SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME, + WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), +SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1), + +SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME, + WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv), +SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME, + WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1), + +SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME, + WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv), +SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME, + WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1), + +SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0), +SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0), +SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0), +SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0), + +SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0), +SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0), + +SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0), +SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0), + +SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15, + 0, threedstereo_tlv), +SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15, + 0, threedstereo_tlv), + +SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4, + 8, 0, out_digital_tlv), +SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4, + 8, 0, out_digital_tlv), + +SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME, + WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv), +SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME, + WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0), + +SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME, + WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv), +SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME, + WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0), + +SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0, + spk_tlv), +SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER, + WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1), +SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER, + WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0), + +SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0), +SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0), + +SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0), +SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0), +SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0), +SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5, + WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA | + WM8996_DSP1TXR_DRC_ENA), + +SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0), +SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0), +SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0), +SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5, + WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA | + WM8996_DSP2TXR_DRC_ENA), +}; + +static const struct snd_kcontrol_new wm8996_eq_controls[] = { +SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0, + eq_tlv), + +SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0, + eq_tlv), +SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0, + eq_tlv), +}; + +static void wm8996_bg_enable(struct snd_soc_component *component) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + + wm8996->bg_ena++; + if (wm8996->bg_ena == 1) { + snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1, + WM8996_BG_ENA, WM8996_BG_ENA); + msleep(2); + } +} + +static void wm8996_bg_disable(struct snd_soc_component *component) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + + wm8996->bg_ena--; + if (!wm8996->bg_ena) + snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1, + WM8996_BG_ENA, 0); +} + +static int bg_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + int ret = 0; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + wm8996_bg_enable(component); + break; + case SND_SOC_DAPM_POST_PMD: + wm8996_bg_disable(component); + break; + default: + WARN(1, "Invalid event %d\n", event); + ret = -EINVAL; + } + + return ret; +} + +static int cp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + switch (event) { + case SND_SOC_DAPM_POST_PMU: + msleep(5); + break; + default: + WARN(1, "Invalid event %d\n", event); + } + + return 0; +} + +static int rmv_short_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + + /* Record which outputs we enabled */ + switch (event) { + case SND_SOC_DAPM_PRE_PMD: + wm8996->hpout_pending &= ~w->shift; + break; + case SND_SOC_DAPM_PRE_PMU: + wm8996->hpout_pending |= w->shift; + break; + default: + WARN(1, "Invalid event %d\n", event); + return -EINVAL; + } + + return 0; +} + +static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask) +{ + struct i2c_client *i2c = to_i2c_client(component->dev); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int ret; + unsigned long timeout = 200; + + snd_soc_component_write(component, WM8996_DC_SERVO_2, mask); + + /* Use the interrupt if possible */ + do { + if (i2c->irq) { + timeout = wait_for_completion_timeout(&wm8996->dcs_done, + msecs_to_jiffies(200)); + if (timeout == 0) + dev_err(component->dev, "DC servo timed out\n"); + + } else { + msleep(1); + timeout--; + } + + ret = snd_soc_component_read(component, WM8996_DC_SERVO_2); + dev_dbg(component->dev, "DC servo state: %x\n", ret); + } while (timeout && ret & mask); + + if (timeout == 0) + dev_err(component->dev, "DC servo timed out for %x\n", mask); + else + dev_dbg(component->dev, "DC servo complete for %x\n", mask); +} + +static void wm8996_seq_notifier(struct snd_soc_component *component, + enum snd_soc_dapm_type event, int subseq) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + u16 val, mask; + + /* Complete any pending DC servo starts */ + if (wm8996->dcs_pending) { + dev_dbg(component->dev, "Starting DC servo for %x\n", + wm8996->dcs_pending); + + /* Trigger a startup sequence */ + wait_for_dc_servo(component, wm8996->dcs_pending + << WM8996_DCS_TRIG_STARTUP_0_SHIFT); + + wm8996->dcs_pending = 0; + } + + if (wm8996->hpout_pending != wm8996->hpout_ena) { + dev_dbg(component->dev, "Applying RMV_SHORTs %x->%x\n", + wm8996->hpout_ena, wm8996->hpout_pending); + + val = 0; + mask = 0; + if (wm8996->hpout_pending & HPOUT1L) { + val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; + mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; + } else { + mask |= WM8996_HPOUT1L_RMV_SHORT | + WM8996_HPOUT1L_OUTP | + WM8996_HPOUT1L_DLY; + } + + if (wm8996->hpout_pending & HPOUT1R) { + val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; + mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; + } else { + mask |= WM8996_HPOUT1R_RMV_SHORT | + WM8996_HPOUT1R_OUTP | + WM8996_HPOUT1R_DLY; + } + + snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, mask, val); + + val = 0; + mask = 0; + if (wm8996->hpout_pending & HPOUT2L) { + val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; + mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; + } else { + mask |= WM8996_HPOUT2L_RMV_SHORT | + WM8996_HPOUT2L_OUTP | + WM8996_HPOUT2L_DLY; + } + + if (wm8996->hpout_pending & HPOUT2R) { + val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; + mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; + } else { + mask |= WM8996_HPOUT2R_RMV_SHORT | + WM8996_HPOUT2R_OUTP | + WM8996_HPOUT2R_DLY; + } + + snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_2, mask, val); + + wm8996->hpout_ena = wm8996->hpout_pending; + } +} + +static int dcs_start(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + wm8996->dcs_pending |= 1 << w->shift; + break; + default: + WARN(1, "Invalid event %d\n", event); + return -EINVAL; + } + + return 0; +} + +static const char *sidetone_text[] = { + "IN1", "IN2", +}; + +static SOC_ENUM_SINGLE_DECL(left_sidetone_enum, + WM8996_SIDETONE, 0, sidetone_text); + +static const struct snd_kcontrol_new left_sidetone = + SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum); + +static SOC_ENUM_SINGLE_DECL(right_sidetone_enum, + WM8996_SIDETONE, 1, sidetone_text); + +static const struct snd_kcontrol_new right_sidetone = + SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum); + +static const char *spk_text[] = { + "DAC1L", "DAC1R", "DAC2L", "DAC2R" +}; + +static SOC_ENUM_SINGLE_DECL(spkl_enum, + WM8996_LEFT_PDM_SPEAKER, 0, spk_text); + +static const struct snd_kcontrol_new spkl_mux = + SOC_DAPM_ENUM("SPKL", spkl_enum); + +static SOC_ENUM_SINGLE_DECL(spkr_enum, + WM8996_RIGHT_PDM_SPEAKER, 0, spk_text); + +static const struct snd_kcontrol_new spkr_mux = + SOC_DAPM_ENUM("SPKR", spkr_enum); + +static const char *dsp1rx_text[] = { + "AIF1", "AIF2" +}; + +static SOC_ENUM_SINGLE_DECL(dsp1rx_enum, + WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text); + +static const struct snd_kcontrol_new dsp1rx = + SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum); + +static const char *dsp2rx_text[] = { + "AIF2", "AIF1" +}; + +static SOC_ENUM_SINGLE_DECL(dsp2rx_enum, + WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text); + +static const struct snd_kcontrol_new dsp2rx = + SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum); + +static const char *aif2tx_text[] = { + "DSP2", "DSP1", "AIF1" +}; + +static SOC_ENUM_SINGLE_DECL(aif2tx_enum, + WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text); + +static const struct snd_kcontrol_new aif2tx = + SOC_DAPM_ENUM("AIF2TX", aif2tx_enum); + +static const char *inmux_text[] = { + "ADC", "DMIC1", "DMIC2" +}; + +static SOC_ENUM_SINGLE_DECL(in1_enum, + WM8996_POWER_MANAGEMENT_7, 0, inmux_text); + +static const struct snd_kcontrol_new in1_mux = + SOC_DAPM_ENUM("IN1 Mux", in1_enum); + +static SOC_ENUM_SINGLE_DECL(in2_enum, + WM8996_POWER_MANAGEMENT_7, 4, inmux_text); + +static const struct snd_kcontrol_new in2_mux = + SOC_DAPM_ENUM("IN2 Mux", in2_enum); + +static const struct snd_kcontrol_new dac2r_mix[] = { +SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, + 5, 1, 0), +SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, + 4, 1, 0), +SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0), +SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0), +}; + +static const struct snd_kcontrol_new dac2l_mix[] = { +SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, + 5, 1, 0), +SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, + 4, 1, 0), +SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0), +SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0), +}; + +static const struct snd_kcontrol_new dac1r_mix[] = { +SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, + 5, 1, 0), +SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, + 4, 1, 0), +SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0), +SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0), +}; + +static const struct snd_kcontrol_new dac1l_mix[] = { +SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, + 5, 1, 0), +SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, + 4, 1, 0), +SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0), +SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0), +}; + +static const struct snd_kcontrol_new dsp1txl[] = { +SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, + 1, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, + 0, 1, 0), +}; + +static const struct snd_kcontrol_new dsp1txr[] = { +SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, + 1, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, + 0, 1, 0), +}; + +static const struct snd_kcontrol_new dsp2txl[] = { +SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, + 1, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, + 0, 1, 0), +}; + +static const struct snd_kcontrol_new dsp2txr[] = { +SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, + 1, 1, 0), +SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, + 0, 1, 0), +}; + + +static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN1LN"), +SND_SOC_DAPM_INPUT("IN1LP"), +SND_SOC_DAPM_INPUT("IN1RN"), +SND_SOC_DAPM_INPUT("IN1RP"), + +SND_SOC_DAPM_INPUT("IN2LN"), +SND_SOC_DAPM_INPUT("IN2LP"), +SND_SOC_DAPM_INPUT("IN2RN"), +SND_SOC_DAPM_INPUT("IN2RP"), + +SND_SOC_DAPM_INPUT("DMIC1DAT"), +SND_SOC_DAPM_INPUT("DMIC2DAT"), + +SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0), +SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), +SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0), +SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0), +SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0), +SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0), + +SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0), +SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0), + +SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux), +SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux), +SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux), +SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux), + +SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0), + +SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0), +SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0), +SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0), +SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0), + +SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0), +SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0), + +SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone), +SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone), + +SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0), +SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0), +SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0), +SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0), + +SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0, + dsp2txl, ARRAY_SIZE(dsp2txl)), +SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0, + dsp2txr, ARRAY_SIZE(dsp2txr)), +SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0, + dsp1txl, ARRAY_SIZE(dsp1txl)), +SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0, + dsp1txr, ARRAY_SIZE(dsp1txr)), + +SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0, + dac2l_mix, ARRAY_SIZE(dac2l_mix)), +SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0, + dac2r_mix, ARRAY_SIZE(dac2r_mix)), +SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, + dac1l_mix, ARRAY_SIZE(dac1l_mix)), +SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, + dac1r_mix, ARRAY_SIZE(dac1r_mix)), + +SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0), +SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0), +SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0), +SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0), + +SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0), +SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0), + +SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0), +SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0), + +SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0), +SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0), +SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0), +SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0), +SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0), +SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0), + +SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0), +SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0), +SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0), +SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0), +SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0), +SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0), + +/* We route as stereo pairs so define some dummy widgets to squash + * things down for now. RXA = 0,1, RXB = 2,3 and so on */ +SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0), + +SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx), +SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx), +SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx), + +SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux), +SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux), +SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0), +SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0), + +SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0, + rmv_short_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0, + rmv_short_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0, + rmv_short_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0, + rmv_short_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_OUTPUT("HPOUT1L"), +SND_SOC_DAPM_OUTPUT("HPOUT1R"), +SND_SOC_DAPM_OUTPUT("HPOUT2L"), +SND_SOC_DAPM_OUTPUT("HPOUT2R"), +SND_SOC_DAPM_OUTPUT("SPKDAT"), +}; + +static const struct snd_soc_dapm_route wm8996_dapm_routes[] = { + { "AIFCLK", NULL, "SYSCLK" }, + { "SYSDSPCLK", NULL, "SYSCLK" }, + { "Charge Pump", NULL, "SYSCLK" }, + { "Charge Pump", NULL, "CPVDD" }, + + { "MICB1", NULL, "LDO2" }, + { "MICB1", NULL, "MICB1 Audio" }, + { "MICB1", NULL, "Bandgap" }, + { "MICB2", NULL, "LDO2" }, + { "MICB2", NULL, "MICB2 Audio" }, + { "MICB2", NULL, "Bandgap" }, + + { "AIF1RX0", NULL, "AIF1 Playback" }, + { "AIF1RX1", NULL, "AIF1 Playback" }, + { "AIF1RX2", NULL, "AIF1 Playback" }, + { "AIF1RX3", NULL, "AIF1 Playback" }, + { "AIF1RX4", NULL, "AIF1 Playback" }, + { "AIF1RX5", NULL, "AIF1 Playback" }, + + { "AIF2RX0", NULL, "AIF2 Playback" }, + { "AIF2RX1", NULL, "AIF2 Playback" }, + + { "AIF1 Capture", NULL, "AIF1TX0" }, + { "AIF1 Capture", NULL, "AIF1TX1" }, + { "AIF1 Capture", NULL, "AIF1TX2" }, + { "AIF1 Capture", NULL, "AIF1TX3" }, + { "AIF1 Capture", NULL, "AIF1TX4" }, + { "AIF1 Capture", NULL, "AIF1TX5" }, + + { "AIF2 Capture", NULL, "AIF2TX0" }, + { "AIF2 Capture", NULL, "AIF2TX1" }, + + { "IN1L PGA", NULL, "IN2LN" }, + { "IN1L PGA", NULL, "IN2LP" }, + { "IN1L PGA", NULL, "IN1LN" }, + { "IN1L PGA", NULL, "IN1LP" }, + { "IN1L PGA", NULL, "Bandgap" }, + + { "IN1R PGA", NULL, "IN2RN" }, + { "IN1R PGA", NULL, "IN2RP" }, + { "IN1R PGA", NULL, "IN1RN" }, + { "IN1R PGA", NULL, "IN1RP" }, + { "IN1R PGA", NULL, "Bandgap" }, + + { "ADCL", NULL, "IN1L PGA" }, + + { "ADCR", NULL, "IN1R PGA" }, + + { "DMIC1L", NULL, "DMIC1DAT" }, + { "DMIC1R", NULL, "DMIC1DAT" }, + { "DMIC2L", NULL, "DMIC2DAT" }, + { "DMIC2R", NULL, "DMIC2DAT" }, + + { "DMIC2L", NULL, "DMIC2" }, + { "DMIC2R", NULL, "DMIC2" }, + { "DMIC1L", NULL, "DMIC1" }, + { "DMIC1R", NULL, "DMIC1" }, + + { "IN1L Mux", "ADC", "ADCL" }, + { "IN1L Mux", "DMIC1", "DMIC1L" }, + { "IN1L Mux", "DMIC2", "DMIC2L" }, + + { "IN1R Mux", "ADC", "ADCR" }, + { "IN1R Mux", "DMIC1", "DMIC1R" }, + { "IN1R Mux", "DMIC2", "DMIC2R" }, + + { "IN2L Mux", "ADC", "ADCL" }, + { "IN2L Mux", "DMIC1", "DMIC1L" }, + { "IN2L Mux", "DMIC2", "DMIC2L" }, + + { "IN2R Mux", "ADC", "ADCR" }, + { "IN2R Mux", "DMIC1", "DMIC1R" }, + { "IN2R Mux", "DMIC2", "DMIC2R" }, + + { "Left Sidetone", "IN1", "IN1L Mux" }, + { "Left Sidetone", "IN2", "IN2L Mux" }, + + { "Right Sidetone", "IN1", "IN1R Mux" }, + { "Right Sidetone", "IN2", "IN2R Mux" }, + + { "DSP1TXL", "IN1 Switch", "IN1L Mux" }, + { "DSP1TXR", "IN1 Switch", "IN1R Mux" }, + + { "DSP2TXL", "IN1 Switch", "IN2L Mux" }, + { "DSP2TXR", "IN1 Switch", "IN2R Mux" }, + + { "AIF1TX0", NULL, "DSP1TXL" }, + { "AIF1TX1", NULL, "DSP1TXR" }, + { "AIF1TX2", NULL, "DSP2TXL" }, + { "AIF1TX3", NULL, "DSP2TXR" }, + { "AIF1TX4", NULL, "AIF2RX0" }, + { "AIF1TX5", NULL, "AIF2RX1" }, + + { "AIF1RX0", NULL, "AIFCLK" }, + { "AIF1RX1", NULL, "AIFCLK" }, + { "AIF1RX2", NULL, "AIFCLK" }, + { "AIF1RX3", NULL, "AIFCLK" }, + { "AIF1RX4", NULL, "AIFCLK" }, + { "AIF1RX5", NULL, "AIFCLK" }, + + { "AIF2RX0", NULL, "AIFCLK" }, + { "AIF2RX1", NULL, "AIFCLK" }, + + { "AIF1TX0", NULL, "AIFCLK" }, + { "AIF1TX1", NULL, "AIFCLK" }, + { "AIF1TX2", NULL, "AIFCLK" }, + { "AIF1TX3", NULL, "AIFCLK" }, + { "AIF1TX4", NULL, "AIFCLK" }, + { "AIF1TX5", NULL, "AIFCLK" }, + + { "AIF2TX0", NULL, "AIFCLK" }, + { "AIF2TX1", NULL, "AIFCLK" }, + + { "DSP1RXL", NULL, "SYSDSPCLK" }, + { "DSP1RXR", NULL, "SYSDSPCLK" }, + { "DSP2RXL", NULL, "SYSDSPCLK" }, + { "DSP2RXR", NULL, "SYSDSPCLK" }, + { "DSP1TXL", NULL, "SYSDSPCLK" }, + { "DSP1TXR", NULL, "SYSDSPCLK" }, + { "DSP2TXL", NULL, "SYSDSPCLK" }, + { "DSP2TXR", NULL, "SYSDSPCLK" }, + + { "AIF1RXA", NULL, "AIF1RX0" }, + { "AIF1RXA", NULL, "AIF1RX1" }, + { "AIF1RXB", NULL, "AIF1RX2" }, + { "AIF1RXB", NULL, "AIF1RX3" }, + { "AIF1RXC", NULL, "AIF1RX4" }, + { "AIF1RXC", NULL, "AIF1RX5" }, + + { "AIF2RX", NULL, "AIF2RX0" }, + { "AIF2RX", NULL, "AIF2RX1" }, + + { "AIF2TX", "DSP2", "DSP2TX" }, + { "AIF2TX", "DSP1", "DSP1RX" }, + { "AIF2TX", "AIF1", "AIF1RXC" }, + + { "DSP1RXL", NULL, "DSP1RX" }, + { "DSP1RXR", NULL, "DSP1RX" }, + { "DSP2RXL", NULL, "DSP2RX" }, + { "DSP2RXR", NULL, "DSP2RX" }, + + { "DSP2TX", NULL, "DSP2TXL" }, + { "DSP2TX", NULL, "DSP2TXR" }, + + { "DSP1RX", "AIF1", "AIF1RXA" }, + { "DSP1RX", "AIF2", "AIF2RX" }, + + { "DSP2RX", "AIF1", "AIF1RXB" }, + { "DSP2RX", "AIF2", "AIF2RX" }, + + { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" }, + { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" }, + { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" }, + { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" }, + + { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" }, + { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" }, + { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" }, + { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" }, + + { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" }, + { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" }, + { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" }, + { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" }, + + { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" }, + { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" }, + { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" }, + { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" }, + + { "DAC1L", NULL, "DAC1L Mixer" }, + { "DAC1R", NULL, "DAC1R Mixer" }, + { "DAC2L", NULL, "DAC2L Mixer" }, + { "DAC2R", NULL, "DAC2R Mixer" }, + + { "HPOUT2L PGA", NULL, "Charge Pump" }, + { "HPOUT2L PGA", NULL, "Bandgap" }, + { "HPOUT2L PGA", NULL, "DAC2L" }, + { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" }, + { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" }, + { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" }, + + { "HPOUT2R PGA", NULL, "Charge Pump" }, + { "HPOUT2R PGA", NULL, "Bandgap" }, + { "HPOUT2R PGA", NULL, "DAC2R" }, + { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" }, + { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" }, + { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" }, + + { "HPOUT1L PGA", NULL, "Charge Pump" }, + { "HPOUT1L PGA", NULL, "Bandgap" }, + { "HPOUT1L PGA", NULL, "DAC1L" }, + { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" }, + { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" }, + { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" }, + + { "HPOUT1R PGA", NULL, "Charge Pump" }, + { "HPOUT1R PGA", NULL, "Bandgap" }, + { "HPOUT1R PGA", NULL, "DAC1R" }, + { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" }, + { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" }, + { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" }, + + { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" }, + { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" }, + { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" }, + { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" }, + + { "SPKL", "DAC1L", "DAC1L" }, + { "SPKL", "DAC1R", "DAC1R" }, + { "SPKL", "DAC2L", "DAC2L" }, + { "SPKL", "DAC2R", "DAC2R" }, + + { "SPKR", "DAC1L", "DAC1L" }, + { "SPKR", "DAC1R", "DAC1R" }, + { "SPKR", "DAC2L", "DAC2L" }, + { "SPKR", "DAC2R", "DAC2R" }, + + { "SPKL PGA", NULL, "SPKL" }, + { "SPKR PGA", NULL, "SPKR" }, + + { "SPKDAT", NULL, "SPKL PGA" }, + { "SPKDAT", NULL, "SPKR PGA" }, +}; + +static bool wm8996_readable_register(struct device *dev, unsigned int reg) +{ + /* Due to the sparseness of the register map the compiler + * output from an explicit switch statement ends up being much + * more efficient than a table. + */ + switch (reg) { + case WM8996_SOFTWARE_RESET: + case WM8996_POWER_MANAGEMENT_1: + case WM8996_POWER_MANAGEMENT_2: + case WM8996_POWER_MANAGEMENT_3: + case WM8996_POWER_MANAGEMENT_4: + case WM8996_POWER_MANAGEMENT_5: + case WM8996_POWER_MANAGEMENT_6: + case WM8996_POWER_MANAGEMENT_7: + case WM8996_POWER_MANAGEMENT_8: + case WM8996_LEFT_LINE_INPUT_VOLUME: + case WM8996_RIGHT_LINE_INPUT_VOLUME: + case WM8996_LINE_INPUT_CONTROL: + case WM8996_DAC1_HPOUT1_VOLUME: + case WM8996_DAC2_HPOUT2_VOLUME: + case WM8996_DAC1_LEFT_VOLUME: + case WM8996_DAC1_RIGHT_VOLUME: + case WM8996_DAC2_LEFT_VOLUME: + case WM8996_DAC2_RIGHT_VOLUME: + case WM8996_OUTPUT1_LEFT_VOLUME: + case WM8996_OUTPUT1_RIGHT_VOLUME: + case WM8996_OUTPUT2_LEFT_VOLUME: + case WM8996_OUTPUT2_RIGHT_VOLUME: + case WM8996_MICBIAS_1: + case WM8996_MICBIAS_2: + case WM8996_LDO_1: + case WM8996_LDO_2: + case WM8996_ACCESSORY_DETECT_MODE_1: + case WM8996_ACCESSORY_DETECT_MODE_2: + case WM8996_HEADPHONE_DETECT_1: + case WM8996_HEADPHONE_DETECT_2: + case WM8996_MIC_DETECT_1: + case WM8996_MIC_DETECT_2: + case WM8996_MIC_DETECT_3: + case WM8996_CHARGE_PUMP_1: + case WM8996_CHARGE_PUMP_2: + case WM8996_DC_SERVO_1: + case WM8996_DC_SERVO_2: + case WM8996_DC_SERVO_3: + case WM8996_DC_SERVO_5: + case WM8996_DC_SERVO_6: + case WM8996_DC_SERVO_7: + case WM8996_DC_SERVO_READBACK_0: + case WM8996_ANALOGUE_HP_1: + case WM8996_ANALOGUE_HP_2: + case WM8996_CHIP_REVISION: + case WM8996_CONTROL_INTERFACE_1: + case WM8996_WRITE_SEQUENCER_CTRL_1: + case WM8996_WRITE_SEQUENCER_CTRL_2: + case WM8996_AIF_CLOCKING_1: + case WM8996_AIF_CLOCKING_2: + case WM8996_CLOCKING_1: + case WM8996_CLOCKING_2: + case WM8996_AIF_RATE: + case WM8996_FLL_CONTROL_1: + case WM8996_FLL_CONTROL_2: + case WM8996_FLL_CONTROL_3: + case WM8996_FLL_CONTROL_4: + case WM8996_FLL_CONTROL_5: + case WM8996_FLL_CONTROL_6: + case WM8996_FLL_EFS_1: + case WM8996_FLL_EFS_2: + case WM8996_AIF1_CONTROL: + case WM8996_AIF1_BCLK: + case WM8996_AIF1_TX_LRCLK_1: + case WM8996_AIF1_TX_LRCLK_2: + case WM8996_AIF1_RX_LRCLK_1: + case WM8996_AIF1_RX_LRCLK_2: + case WM8996_AIF1TX_DATA_CONFIGURATION_1: + case WM8996_AIF1TX_DATA_CONFIGURATION_2: + case WM8996_AIF1RX_DATA_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION: + case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION: + case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION: + case WM8996_AIF1RX_MONO_CONFIGURATION: + case WM8996_AIF1TX_TEST: + case WM8996_AIF2_CONTROL: + case WM8996_AIF2_BCLK: + case WM8996_AIF2_TX_LRCLK_1: + case WM8996_AIF2_TX_LRCLK_2: + case WM8996_AIF2_RX_LRCLK_1: + case WM8996_AIF2_RX_LRCLK_2: + case WM8996_AIF2TX_DATA_CONFIGURATION_1: + case WM8996_AIF2TX_DATA_CONFIGURATION_2: + case WM8996_AIF2RX_DATA_CONFIGURATION: + case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION: + case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION: + case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION: + case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION: + case WM8996_AIF2RX_MONO_CONFIGURATION: + case WM8996_AIF2TX_TEST: + case WM8996_DSP1_TX_LEFT_VOLUME: + case WM8996_DSP1_TX_RIGHT_VOLUME: + case WM8996_DSP1_RX_LEFT_VOLUME: + case WM8996_DSP1_RX_RIGHT_VOLUME: + case WM8996_DSP1_TX_FILTERS: + case WM8996_DSP1_RX_FILTERS_1: + case WM8996_DSP1_RX_FILTERS_2: + case WM8996_DSP1_DRC_1: + case WM8996_DSP1_DRC_2: + case WM8996_DSP1_DRC_3: + case WM8996_DSP1_DRC_4: + case WM8996_DSP1_DRC_5: + case WM8996_DSP1_RX_EQ_GAINS_1: + case WM8996_DSP1_RX_EQ_GAINS_2: + case WM8996_DSP1_RX_EQ_BAND_1_A: + case WM8996_DSP1_RX_EQ_BAND_1_B: + case WM8996_DSP1_RX_EQ_BAND_1_PG: + case WM8996_DSP1_RX_EQ_BAND_2_A: + case WM8996_DSP1_RX_EQ_BAND_2_B: + case WM8996_DSP1_RX_EQ_BAND_2_C: + case WM8996_DSP1_RX_EQ_BAND_2_PG: + case WM8996_DSP1_RX_EQ_BAND_3_A: + case WM8996_DSP1_RX_EQ_BAND_3_B: + case WM8996_DSP1_RX_EQ_BAND_3_C: + case WM8996_DSP1_RX_EQ_BAND_3_PG: + case WM8996_DSP1_RX_EQ_BAND_4_A: + case WM8996_DSP1_RX_EQ_BAND_4_B: + case WM8996_DSP1_RX_EQ_BAND_4_C: + case WM8996_DSP1_RX_EQ_BAND_4_PG: + case WM8996_DSP1_RX_EQ_BAND_5_A: + case WM8996_DSP1_RX_EQ_BAND_5_B: + case WM8996_DSP1_RX_EQ_BAND_5_PG: + case WM8996_DSP2_TX_LEFT_VOLUME: + case WM8996_DSP2_TX_RIGHT_VOLUME: + case WM8996_DSP2_RX_LEFT_VOLUME: + case WM8996_DSP2_RX_RIGHT_VOLUME: + case WM8996_DSP2_TX_FILTERS: + case WM8996_DSP2_RX_FILTERS_1: + case WM8996_DSP2_RX_FILTERS_2: + case WM8996_DSP2_DRC_1: + case WM8996_DSP2_DRC_2: + case WM8996_DSP2_DRC_3: + case WM8996_DSP2_DRC_4: + case WM8996_DSP2_DRC_5: + case WM8996_DSP2_RX_EQ_GAINS_1: + case WM8996_DSP2_RX_EQ_GAINS_2: + case WM8996_DSP2_RX_EQ_BAND_1_A: + case WM8996_DSP2_RX_EQ_BAND_1_B: + case WM8996_DSP2_RX_EQ_BAND_1_PG: + case WM8996_DSP2_RX_EQ_BAND_2_A: + case WM8996_DSP2_RX_EQ_BAND_2_B: + case WM8996_DSP2_RX_EQ_BAND_2_C: + case WM8996_DSP2_RX_EQ_BAND_2_PG: + case WM8996_DSP2_RX_EQ_BAND_3_A: + case WM8996_DSP2_RX_EQ_BAND_3_B: + case WM8996_DSP2_RX_EQ_BAND_3_C: + case WM8996_DSP2_RX_EQ_BAND_3_PG: + case WM8996_DSP2_RX_EQ_BAND_4_A: + case WM8996_DSP2_RX_EQ_BAND_4_B: + case WM8996_DSP2_RX_EQ_BAND_4_C: + case WM8996_DSP2_RX_EQ_BAND_4_PG: + case WM8996_DSP2_RX_EQ_BAND_5_A: + case WM8996_DSP2_RX_EQ_BAND_5_B: + case WM8996_DSP2_RX_EQ_BAND_5_PG: + case WM8996_DAC1_MIXER_VOLUMES: + case WM8996_DAC1_LEFT_MIXER_ROUTING: + case WM8996_DAC1_RIGHT_MIXER_ROUTING: + case WM8996_DAC2_MIXER_VOLUMES: + case WM8996_DAC2_LEFT_MIXER_ROUTING: + case WM8996_DAC2_RIGHT_MIXER_ROUTING: + case WM8996_DSP1_TX_LEFT_MIXER_ROUTING: + case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING: + case WM8996_DSP2_TX_LEFT_MIXER_ROUTING: + case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING: + case WM8996_DSP_TX_MIXER_SELECT: + case WM8996_DAC_SOFTMUTE: + case WM8996_OVERSAMPLING: + case WM8996_SIDETONE: + case WM8996_GPIO_1: + case WM8996_GPIO_2: + case WM8996_GPIO_3: + case WM8996_GPIO_4: + case WM8996_GPIO_5: + case WM8996_PULL_CONTROL_1: + case WM8996_PULL_CONTROL_2: + case WM8996_INTERRUPT_STATUS_1: + case WM8996_INTERRUPT_STATUS_2: + case WM8996_INTERRUPT_RAW_STATUS_2: + case WM8996_INTERRUPT_STATUS_1_MASK: + case WM8996_INTERRUPT_STATUS_2_MASK: + case WM8996_INTERRUPT_CONTROL: + case WM8996_LEFT_PDM_SPEAKER: + case WM8996_RIGHT_PDM_SPEAKER: + case WM8996_PDM_SPEAKER_MUTE_SEQUENCE: + case WM8996_PDM_SPEAKER_VOLUME: + return true; + default: + return false; + } +} + +static bool wm8996_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8996_SOFTWARE_RESET: + case WM8996_CHIP_REVISION: + case WM8996_LDO_1: + case WM8996_LDO_2: + case WM8996_INTERRUPT_STATUS_1: + case WM8996_INTERRUPT_STATUS_2: + case WM8996_INTERRUPT_RAW_STATUS_2: + case WM8996_DC_SERVO_READBACK_0: + case WM8996_DC_SERVO_2: + case WM8996_DC_SERVO_6: + case WM8996_DC_SERVO_7: + case WM8996_FLL_CONTROL_6: + case WM8996_MIC_DETECT_3: + case WM8996_HEADPHONE_DETECT_1: + case WM8996_HEADPHONE_DETECT_2: + return true; + default: + return false; + } +} + +static const int bclk_divs[] = { + 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96 +}; + +static void wm8996_update_bclk(struct snd_soc_component *component) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int aif, best, cur_val, bclk_rate, bclk_reg, i; + + /* Don't bother if we're in a low frequency idle mode that + * can't support audio. + */ + if (wm8996->sysclk < 64000) + return; + + for (aif = 0; aif < WM8996_AIFS; aif++) { + switch (aif) { + case 0: + bclk_reg = WM8996_AIF1_BCLK; + break; + case 1: + bclk_reg = WM8996_AIF2_BCLK; + break; + } + + bclk_rate = wm8996->bclk_rate[aif]; + + /* Pick a divisor for BCLK as close as we can get to ideal */ + best = 0; + for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { + cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate; + if (cur_val < 0) /* BCLK table is sorted */ + break; + best = i; + } + bclk_rate = wm8996->sysclk / bclk_divs[best]; + dev_dbg(component->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", + bclk_divs[best], bclk_rate); + + snd_soc_component_update_bits(component, bclk_reg, + WM8996_AIF1_BCLK_DIV_MASK, best); + } +} + +static int wm8996_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int ret; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + /* Put the MICBIASes into regulating mode */ + snd_soc_component_update_bits(component, WM8996_MICBIAS_1, + WM8996_MICB1_MODE, 0); + snd_soc_component_update_bits(component, WM8996_MICBIAS_2, + WM8996_MICB2_MODE, 0); + break; + + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), + wm8996->supplies); + if (ret != 0) { + dev_err(component->dev, + "Failed to enable supplies: %d\n", + ret); + return ret; + } + + if (wm8996->pdata.ldo_ena >= 0) { + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, + 1); + msleep(5); + } + + regcache_cache_only(wm8996->regmap, false); + regcache_sync(wm8996->regmap); + } + + /* Bypass the MICBIASes for lowest power */ + snd_soc_component_update_bits(component, WM8996_MICBIAS_1, + WM8996_MICB1_MODE, WM8996_MICB1_MODE); + snd_soc_component_update_bits(component, WM8996_MICBIAS_2, + WM8996_MICB2_MODE, WM8996_MICB2_MODE); + break; + + case SND_SOC_BIAS_OFF: + regcache_cache_only(wm8996->regmap, true); + if (wm8996->pdata.ldo_ena >= 0) { + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); + regcache_cache_only(wm8996->regmap, true); + } + regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), + wm8996->supplies); + break; + } + + return 0; +} + +static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + int aifctrl = 0; + int bclk = 0; + int lrclk_tx = 0; + int lrclk_rx = 0; + int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg; + + switch (dai->id) { + case 0: + aifctrl_reg = WM8996_AIF1_CONTROL; + bclk_reg = WM8996_AIF1_BCLK; + lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2; + lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2; + break; + case 1: + aifctrl_reg = WM8996_AIF2_CONTROL; + bclk_reg = WM8996_AIF2_BCLK; + lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2; + lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2; + break; + default: + WARN(1, "Invalid dai id %d\n", dai->id); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + bclk |= WM8996_AIF1_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; + lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_IF: + bclk |= WM8996_AIF1_BCLK_INV; + lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; + lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; + break; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + break; + case SND_SOC_DAIFMT_CBS_CFM: + lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; + lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + bclk |= WM8996_AIF1_BCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFM: + bclk |= WM8996_AIF1_BCLK_MSTR; + lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; + lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + break; + case SND_SOC_DAIFMT_DSP_B: + aifctrl |= 1; + break; + case SND_SOC_DAIFMT_I2S: + aifctrl |= 2; + break; + case SND_SOC_DAIFMT_LEFT_J: + aifctrl |= 3; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl); + snd_soc_component_update_bits(component, bclk_reg, + WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR, + bclk); + snd_soc_component_update_bits(component, lrclk_tx_reg, + WM8996_AIF1TX_LRCLK_INV | + WM8996_AIF1TX_LRCLK_MSTR, + lrclk_tx); + snd_soc_component_update_bits(component, lrclk_rx_reg, + WM8996_AIF1RX_LRCLK_INV | + WM8996_AIF1RX_LRCLK_MSTR, + lrclk_rx); + + return 0; +} + +static const int dsp_divs[] = { + 48000, 32000, 16000, 8000 +}; + +static int wm8996_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int bits, i, bclk_rate, best; + int aifdata = 0; + int lrclk = 0; + int dsp = 0; + int aifdata_reg, lrclk_reg, dsp_shift; + + switch (dai->id) { + case 0: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || + (snd_soc_component_read(component, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) { + aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION; + lrclk_reg = WM8996_AIF1_RX_LRCLK_1; + } else { + aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1; + lrclk_reg = WM8996_AIF1_TX_LRCLK_1; + } + dsp_shift = 0; + break; + case 1: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || + (snd_soc_component_read(component, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) { + aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION; + lrclk_reg = WM8996_AIF2_RX_LRCLK_1; + } else { + aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1; + lrclk_reg = WM8996_AIF2_TX_LRCLK_1; + } + dsp_shift = WM8996_DSP2_DIV_SHIFT; + break; + default: + WARN(1, "Invalid dai id %d\n", dai->id); + return -EINVAL; + } + + bclk_rate = snd_soc_params_to_bclk(params); + if (bclk_rate < 0) { + dev_err(component->dev, "Unsupported BCLK rate: %d\n", bclk_rate); + return bclk_rate; + } + + wm8996->bclk_rate[dai->id] = bclk_rate; + wm8996->rx_rate[dai->id] = params_rate(params); + + /* Needs looking at for TDM */ + bits = params_width(params); + if (bits < 0) + return bits; + aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits; + + best = 0; + for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) { + if (abs(dsp_divs[i] - params_rate(params)) < + abs(dsp_divs[best] - params_rate(params))) + best = i; + } + dsp |= i << dsp_shift; + + wm8996_update_bclk(component); + + lrclk = bclk_rate / params_rate(params); + dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n", + lrclk, bclk_rate / lrclk); + + snd_soc_component_update_bits(component, aifdata_reg, + WM8996_AIF1TX_WL_MASK | + WM8996_AIF1TX_SLOT_LEN_MASK, + aifdata); + snd_soc_component_update_bits(component, lrclk_reg, WM8996_AIF1RX_RATE_MASK, + lrclk); + snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_2, + WM8996_DSP1_DIV_MASK << dsp_shift, dsp); + + return 0; +} + +static int wm8996_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = dai->component; + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int lfclk = 0; + int ratediv = 0; + int sync = WM8996_REG_SYNC; + int src; + int old; + + if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src) + return 0; + + /* Disable SYSCLK while we reconfigure */ + old = snd_soc_component_read(component, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA; + snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, + WM8996_SYSCLK_ENA, 0); + + switch (clk_id) { + case WM8996_SYSCLK_MCLK1: + wm8996->sysclk = freq; + src = 0; + break; + case WM8996_SYSCLK_MCLK2: + wm8996->sysclk = freq; + src = 1; + break; + case WM8996_SYSCLK_FLL: + wm8996->sysclk = freq; + src = 2; + break; + default: + dev_err(component->dev, "Unsupported clock source %d\n", clk_id); + return -EINVAL; + } + + switch (wm8996->sysclk) { + case 5644800: + case 6144000: + snd_soc_component_update_bits(component, WM8996_AIF_RATE, + WM8996_SYSCLK_RATE, 0); + break; + case 22579200: + case 24576000: + ratediv = WM8996_SYSCLK_DIV; + wm8996->sysclk /= 2; + fallthrough; + case 11289600: + case 12288000: + snd_soc_component_update_bits(component, WM8996_AIF_RATE, + WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE); + break; + case 32000: + case 32768: + lfclk = WM8996_LFCLK_ENA; + sync = 0; + break; + default: + dev_warn(component->dev, "Unsupported clock rate %dHz\n", + wm8996->sysclk); + return -EINVAL; + } + + wm8996_update_bclk(component); + + snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, + WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK, + src << WM8996_SYSCLK_SRC_SHIFT | ratediv); + snd_soc_component_update_bits(component, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk); + snd_soc_component_update_bits(component, WM8996_CONTROL_INTERFACE_1, + WM8996_REG_SYNC, sync); + snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, + WM8996_SYSCLK_ENA, old); + + wm8996->sysclk_src = clk_id; + + return 0; +} + +struct _fll_div { + u16 fll_fratio; + u16 fll_outdiv; + u16 fll_refclk_div; + u16 fll_loop_gain; + u16 fll_ref_freq; + u16 n; + u16 theta; + u16 lambda; +}; + +static struct { + unsigned int min; + unsigned int max; + u16 fll_fratio; + int ratio; +} fll_fratios[] = { + { 0, 64000, 4, 16 }, + { 64000, 128000, 3, 8 }, + { 128000, 256000, 2, 4 }, + { 256000, 1000000, 1, 2 }, + { 1000000, 13500000, 0, 1 }, +}; + +static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + unsigned int Fout) +{ + unsigned int target; + unsigned int div; + unsigned int fratio, gcd_fll; + int i; + + /* Fref must be <=13.5MHz */ + div = 1; + fll_div->fll_refclk_div = 0; + while ((Fref / div) > 13500000) { + div *= 2; + fll_div->fll_refclk_div++; + + if (div > 8) { + pr_err("Can't scale %dMHz input down to <=13.5MHz\n", + Fref); + return -EINVAL; + } + } + + pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout); + + /* Apply the division for our remaining calculations */ + Fref /= div; + + if (Fref >= 3000000) + fll_div->fll_loop_gain = 5; + else + fll_div->fll_loop_gain = 0; + + if (Fref >= 48000) + fll_div->fll_ref_freq = 0; + else + fll_div->fll_ref_freq = 1; + + /* Fvco should be 90-100MHz; don't check the upper bound */ + div = 2; + while (Fout * div < 90000000) { + div++; + if (div > 64) { + pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", + Fout); + return -EINVAL; + } + } + target = Fout * div; + fll_div->fll_outdiv = div - 1; + + pr_debug("FLL Fvco=%dHz\n", target); + + /* Find an appropraite FLL_FRATIO and factor it out of the target */ + for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { + if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { + fll_div->fll_fratio = fll_fratios[i].fll_fratio; + fratio = fll_fratios[i].ratio; + break; + } + } + if (i == ARRAY_SIZE(fll_fratios)) { + pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); + return -EINVAL; + } + + fll_div->n = target / (fratio * Fref); + + if (target % Fref == 0) { + fll_div->theta = 0; + fll_div->lambda = 0; + } else { + gcd_fll = gcd(target, fratio * Fref); + + fll_div->theta = (target - (fll_div->n * fratio * Fref)) + / gcd_fll; + fll_div->lambda = (fratio * Fref) / gcd_fll; + } + + pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n", + fll_div->n, fll_div->theta, fll_div->lambda); + pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n", + fll_div->fll_fratio, fll_div->fll_outdiv, + fll_div->fll_refclk_div); + + return 0; +} + +static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source, + unsigned int Fref, unsigned int Fout) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct i2c_client *i2c = to_i2c_client(component->dev); + struct _fll_div fll_div; + unsigned long timeout, time_left; + int ret, reg, retry; + + /* Any change? */ + if (source == wm8996->fll_src && Fref == wm8996->fll_fref && + Fout == wm8996->fll_fout) + return 0; + + if (Fout == 0) { + dev_dbg(component->dev, "FLL disabled\n"); + + wm8996->fll_fref = 0; + wm8996->fll_fout = 0; + + snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1, + WM8996_FLL_ENA, 0); + + wm8996_bg_disable(component); + + return 0; + } + + ret = fll_factors(&fll_div, Fref, Fout); + if (ret != 0) + return ret; + + switch (source) { + case WM8996_FLL_MCLK1: + reg = 0; + break; + case WM8996_FLL_MCLK2: + reg = 1; + break; + case WM8996_FLL_DACLRCLK1: + reg = 2; + break; + case WM8996_FLL_BCLK1: + reg = 3; + break; + default: + dev_err(component->dev, "Unknown FLL source %d\n", ret); + return -EINVAL; + } + + reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT; + reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT; + + snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_5, + WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ | + WM8996_FLL_REFCLK_SRC_MASK, reg); + + reg = 0; + if (fll_div.theta || fll_div.lambda) + reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT); + else + reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT; + snd_soc_component_write(component, WM8996_FLL_EFS_2, reg); + + snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_2, + WM8996_FLL_OUTDIV_MASK | + WM8996_FLL_FRATIO_MASK, + (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) | + (fll_div.fll_fratio)); + + snd_soc_component_write(component, WM8996_FLL_CONTROL_3, fll_div.theta); + + snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_4, + WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK, + (fll_div.n << WM8996_FLL_N_SHIFT) | + fll_div.fll_loop_gain); + + snd_soc_component_write(component, WM8996_FLL_EFS_1, fll_div.lambda); + + /* Enable the bandgap if it's not already enabled */ + ret = snd_soc_component_read(component, WM8996_FLL_CONTROL_1); + if (!(ret & WM8996_FLL_ENA)) + wm8996_bg_enable(component); + + /* Clear any pending completions (eg, from failed startups) */ + try_wait_for_completion(&wm8996->fll_lock); + + snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1, + WM8996_FLL_ENA, WM8996_FLL_ENA); + + /* The FLL supports live reconfiguration - kick that in case we were + * already enabled. + */ + snd_soc_component_write(component, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK); + + /* Wait for the FLL to lock, using the interrupt if possible */ + if (Fref > 1000000) + timeout = usecs_to_jiffies(300); + else + timeout = msecs_to_jiffies(2); + + /* Allow substantially longer if we've actually got the IRQ, poll + * at a slightly higher rate if we don't. + */ + if (i2c->irq) + timeout *= 10; + else + /* ensure timeout of atleast 1 jiffies */ + timeout = (timeout/2) ? : 1; + + for (retry = 0; retry < 10; retry++) { + time_left = wait_for_completion_timeout(&wm8996->fll_lock, + timeout); + if (time_left != 0) { + WARN_ON(!i2c->irq); + ret = 1; + break; + } + + ret = snd_soc_component_read(component, WM8996_INTERRUPT_RAW_STATUS_2); + if (ret & WM8996_FLL_LOCK_STS) + break; + } + if (retry == 10) { + dev_err(component->dev, "Timed out waiting for FLL\n"); + ret = -ETIMEDOUT; + } + + dev_dbg(component->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); + + wm8996->fll_fref = Fref; + wm8996->fll_fout = Fout; + wm8996->fll_src = source; + + return ret; +} + +#ifdef CONFIG_GPIOLIB +static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + struct wm8996_priv *wm8996 = gpiochip_get_data(chip); + + regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, + WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT); +} + +static int wm8996_gpio_direction_out(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct wm8996_priv *wm8996 = gpiochip_get_data(chip); + int val; + + val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT); + + return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, + WM8996_GP1_FN_MASK | WM8996_GP1_DIR | + WM8996_GP1_LVL, val); +} + +static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct wm8996_priv *wm8996 = gpiochip_get_data(chip); + unsigned int reg; + int ret; + + ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®); + if (ret < 0) + return ret; + + return (reg & WM8996_GP1_LVL) != 0; +} + +static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset) +{ + struct wm8996_priv *wm8996 = gpiochip_get_data(chip); + + return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, + WM8996_GP1_FN_MASK | WM8996_GP1_DIR, + (1 << WM8996_GP1_FN_SHIFT) | + (1 << WM8996_GP1_DIR_SHIFT)); +} + +static const struct gpio_chip wm8996_template_chip = { + .label = "wm8996", + .owner = THIS_MODULE, + .direction_output = wm8996_gpio_direction_out, + .set = wm8996_gpio_set, + .direction_input = wm8996_gpio_direction_in, + .get = wm8996_gpio_get, + .can_sleep = 1, +}; + +static void wm8996_init_gpio(struct wm8996_priv *wm8996) +{ + int ret; + + wm8996->gpio_chip = wm8996_template_chip; + wm8996->gpio_chip.ngpio = 5; + wm8996->gpio_chip.parent = wm8996->dev; + + if (wm8996->pdata.gpio_base) + wm8996->gpio_chip.base = wm8996->pdata.gpio_base; + else + wm8996->gpio_chip.base = -1; + + ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996); + if (ret != 0) + dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret); +} + +static void wm8996_free_gpio(struct wm8996_priv *wm8996) +{ + gpiochip_remove(&wm8996->gpio_chip); +} +#else +static void wm8996_init_gpio(struct wm8996_priv *wm8996) +{ +} + +static void wm8996_free_gpio(struct wm8996_priv *wm8996) +{ +} +#endif + +/** + * wm8996_detect - Enable default WM8996 jack detection + * @component: ASoC component + * @jack: jack pointer + * @polarity_cb: polarity callback + * + * The WM8996 has advanced accessory detection support for headsets. + * This function provides a default implementation which integrates + * the majority of this functionality with minimal user configuration. + * + * This will detect headset, headphone and short circuit button and + * will also detect inverted microphone ground connections and update + * the polarity of the connections. + */ +int wm8996_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, + wm8996_polarity_fn polarity_cb) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + wm8996->jack = jack; + wm8996->detecting = true; + wm8996->polarity_cb = polarity_cb; + wm8996->jack_flips = 0; + + if (wm8996->polarity_cb) + wm8996->polarity_cb(component, 0); + + /* Clear discarge to avoid noise during detection */ + snd_soc_component_update_bits(component, WM8996_MICBIAS_1, + WM8996_MICB1_DISCH, 0); + snd_soc_component_update_bits(component, WM8996_MICBIAS_2, + WM8996_MICB2_DISCH, 0); + + /* LDO2 powers the microphones, SYSCLK clocks detection */ + snd_soc_dapm_mutex_lock(dapm); + + snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2"); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK"); + + snd_soc_dapm_mutex_unlock(dapm); + + /* We start off just enabling microphone detection - even a + * plain headphone will trigger detection. + */ + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, + WM8996_MICD_ENA, WM8996_MICD_ENA); + + /* Slowest detection rate, gives debounce for initial detection */ + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, + WM8996_MICD_RATE_MASK, + WM8996_MICD_RATE_MASK); + + /* Enable interrupts and we're off */ + snd_soc_component_update_bits(component, WM8996_INTERRUPT_STATUS_2_MASK, + WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0); + + return 0; +} +EXPORT_SYMBOL_GPL(wm8996_detect); + +static void wm8996_hpdet_irq(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int val, reg, report; + + /* Assume headphone in error conditions; we need to report + * something or we stall our state machine. + */ + report = SND_JACK_HEADPHONE; + + reg = snd_soc_component_read(component, WM8996_HEADPHONE_DETECT_2); + if (reg < 0) { + dev_err(component->dev, "Failed to read HPDET status\n"); + goto out; + } + + if (!(reg & WM8996_HP_DONE)) { + dev_err(component->dev, "Got HPDET IRQ but HPDET is busy\n"); + goto out; + } + + val = reg & WM8996_HP_LVL_MASK; + + dev_dbg(component->dev, "HPDET measured %d ohms\n", val); + + /* If we've got high enough impedence then report as line, + * otherwise assume headphone. + */ + if (val >= 126) + report = SND_JACK_LINEOUT; + else + report = SND_JACK_HEADPHONE; + +out: + if (wm8996->jack_mic) + report |= SND_JACK_MICROPHONE; + + snd_soc_jack_report(wm8996->jack, report, + SND_JACK_LINEOUT | SND_JACK_HEADSET); + + wm8996->detecting = false; + + /* If the output isn't running re-clamp it */ + if (!(snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_1) & + (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT))) + snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, + WM8996_HPOUT1L_RMV_SHORT | + WM8996_HPOUT1R_RMV_SHORT, 0); + + /* Go back to looking at the microphone */ + snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1, + WM8996_JD_MODE_MASK, 0); + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, + WM8996_MICD_ENA); + + snd_soc_dapm_disable_pin(dapm, "Bandgap"); + snd_soc_dapm_sync(dapm); +} + +static void wm8996_hpdet_start(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + /* Unclamp the output, we can't measure while we're shorting it */ + snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, + WM8996_HPOUT1L_RMV_SHORT | + WM8996_HPOUT1R_RMV_SHORT, + WM8996_HPOUT1L_RMV_SHORT | + WM8996_HPOUT1R_RMV_SHORT); + + /* We need bandgap for HPDET */ + snd_soc_dapm_force_enable_pin(dapm, "Bandgap"); + snd_soc_dapm_sync(dapm); + + /* Go into headphone detect left mode */ + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0); + snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1, + WM8996_JD_MODE_MASK, 1); + + /* Trigger a measurement */ + snd_soc_component_update_bits(component, WM8996_HEADPHONE_DETECT_1, + WM8996_HP_POLL, WM8996_HP_POLL); +} + +static void wm8996_report_headphone(struct snd_soc_component *component) +{ + dev_dbg(component->dev, "Headphone detected\n"); + wm8996_hpdet_start(component); + + /* Increase the detection rate a bit for responsiveness. */ + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, + WM8996_MICD_RATE_MASK | + WM8996_MICD_BIAS_STARTTIME_MASK, + 7 << WM8996_MICD_RATE_SHIFT | + 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); +} + +static void wm8996_micd(struct snd_soc_component *component) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int val, reg; + + val = snd_soc_component_read(component, WM8996_MIC_DETECT_3); + + dev_dbg(component->dev, "Microphone event: %x\n", val); + + if (!(val & WM8996_MICD_VALID)) { + dev_warn(component->dev, "Microphone detection state invalid\n"); + return; + } + + /* No accessory, reset everything and report removal */ + if (!(val & WM8996_MICD_STS)) { + dev_dbg(component->dev, "Jack removal detected\n"); + wm8996->jack_mic = false; + wm8996->detecting = true; + wm8996->jack_flips = 0; + snd_soc_jack_report(wm8996->jack, 0, + SND_JACK_LINEOUT | SND_JACK_HEADSET | + SND_JACK_BTN_0); + + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, + WM8996_MICD_RATE_MASK | + WM8996_MICD_BIAS_STARTTIME_MASK, + WM8996_MICD_RATE_MASK | + 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT); + return; + } + + /* If the measurement is very high we've got a microphone, + * either we just detected one or if we already reported then + * we've got a button release event. + */ + if (val & 0x400) { + if (wm8996->detecting) { + dev_dbg(component->dev, "Microphone detected\n"); + wm8996->jack_mic = true; + wm8996_hpdet_start(component); + + /* Increase poll rate to give better responsiveness + * for buttons */ + snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, + WM8996_MICD_RATE_MASK | + WM8996_MICD_BIAS_STARTTIME_MASK, + 5 << WM8996_MICD_RATE_SHIFT | + 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); + } else { + dev_dbg(component->dev, "Mic button up\n"); + snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0); + } + + return; + } + + /* If we detected a lower impedence during initial startup + * then we probably have the wrong polarity, flip it. Don't + * do this for the lowest impedences to speed up detection of + * plain headphones. If both polarities report a low + * impedence then give up and report headphones. + */ + if (wm8996->detecting && (val & 0x3f0)) { + wm8996->jack_flips++; + + if (wm8996->jack_flips > 1) { + wm8996_report_headphone(component); + return; + } + + reg = snd_soc_component_read(component, WM8996_ACCESSORY_DETECT_MODE_2); + reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | + WM8996_MICD_BIAS_SRC; + snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_2, + WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | + WM8996_MICD_BIAS_SRC, reg); + + if (wm8996->polarity_cb) + wm8996->polarity_cb(component, + (reg & WM8996_MICD_SRC) != 0); + + dev_dbg(component->dev, "Set microphone polarity to %d\n", + (reg & WM8996_MICD_SRC) != 0); + + return; + } + + /* Don't distinguish between buttons, just report any low + * impedence as BTN_0. + */ + if (val & 0x3fc) { + if (wm8996->jack_mic) { + dev_dbg(component->dev, "Mic button detected\n"); + snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0, + SND_JACK_BTN_0); + } else if (wm8996->detecting) { + wm8996_report_headphone(component); + } + } +} + +static irqreturn_t wm8996_irq(int irq, void *data) +{ + struct snd_soc_component *component = data; + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + int irq_val; + + irq_val = snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2); + if (irq_val < 0) { + dev_err(component->dev, "Failed to read IRQ status: %d\n", + irq_val); + return IRQ_NONE; + } + irq_val &= ~snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2_MASK); + + if (!irq_val) + return IRQ_NONE; + + snd_soc_component_write(component, WM8996_INTERRUPT_STATUS_2, irq_val); + + if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) { + dev_dbg(component->dev, "DC servo IRQ\n"); + complete(&wm8996->dcs_done); + } + + if (irq_val & WM8996_FIFOS_ERR_EINT) + dev_err(component->dev, "Digital core FIFO error\n"); + + if (irq_val & WM8996_FLL_LOCK_EINT) { + dev_dbg(component->dev, "FLL locked\n"); + complete(&wm8996->fll_lock); + } + + if (irq_val & WM8996_MICD_EINT) + wm8996_micd(component); + + if (irq_val & WM8996_HP_DONE_EINT) + wm8996_hpdet_irq(component); + + return IRQ_HANDLED; +} + +static irqreturn_t wm8996_edge_irq(int irq, void *data) +{ + irqreturn_t ret = IRQ_NONE; + irqreturn_t val; + + do { + val = wm8996_irq(irq, data); + if (val != IRQ_NONE) + ret = val; + } while (val != IRQ_NONE); + + return ret; +} + +static void wm8996_retune_mobile_pdata(struct snd_soc_component *component) +{ + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct wm8996_pdata *pdata = &wm8996->pdata; + + struct snd_kcontrol_new controls[] = { + SOC_ENUM_EXT("DSP1 EQ Mode", + wm8996->retune_mobile_enum, + wm8996_get_retune_mobile_enum, + wm8996_put_retune_mobile_enum), + SOC_ENUM_EXT("DSP2 EQ Mode", + wm8996->retune_mobile_enum, + wm8996_get_retune_mobile_enum, + wm8996_put_retune_mobile_enum), + }; + int ret, i, j; + const char **t; + + /* We need an array of texts for the enum API but the number + * of texts is likely to be less than the number of + * configurations due to the sample rate dependency of the + * configurations. */ + wm8996->num_retune_mobile_texts = 0; + wm8996->retune_mobile_texts = NULL; + for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { + for (j = 0; j < wm8996->num_retune_mobile_texts; j++) { + if (strcmp(pdata->retune_mobile_cfgs[i].name, + wm8996->retune_mobile_texts[j]) == 0) + break; + } + + if (j != wm8996->num_retune_mobile_texts) + continue; + + /* Expand the array... */ + t = krealloc(wm8996->retune_mobile_texts, + sizeof(char *) * + (wm8996->num_retune_mobile_texts + 1), + GFP_KERNEL); + if (t == NULL) + continue; + + /* ...store the new entry... */ + t[wm8996->num_retune_mobile_texts] = + pdata->retune_mobile_cfgs[i].name; + + /* ...and remember the new version. */ + wm8996->num_retune_mobile_texts++; + wm8996->retune_mobile_texts = t; + } + + dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n", + wm8996->num_retune_mobile_texts); + + wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts; + wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts; + + ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); + if (ret != 0) + dev_err(component->dev, + "Failed to add ReTune Mobile controls: %d\n", ret); +} + +static const struct regmap_config wm8996_regmap = { + .reg_bits = 16, + .val_bits = 16, + + .max_register = WM8996_MAX_REGISTER, + .reg_defaults = wm8996_reg, + .num_reg_defaults = ARRAY_SIZE(wm8996_reg), + .volatile_reg = wm8996_volatile_register, + .readable_reg = wm8996_readable_register, + .cache_type = REGCACHE_RBTREE, +}; + +static int wm8996_probe(struct snd_soc_component *component) +{ + int ret; + struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); + struct i2c_client *i2c = to_i2c_client(component->dev); + int irq_flags; + + wm8996->component = component; + + init_completion(&wm8996->dcs_done); + init_completion(&wm8996->fll_lock); + + if (wm8996->pdata.num_retune_mobile_cfgs) + wm8996_retune_mobile_pdata(component); + else + snd_soc_add_component_controls(component, wm8996_eq_controls, + ARRAY_SIZE(wm8996_eq_controls)); + + if (i2c->irq) { + if (wm8996->pdata.irq_flags) + irq_flags = wm8996->pdata.irq_flags; + else + irq_flags = IRQF_TRIGGER_LOW; + + irq_flags |= IRQF_ONESHOT; + + if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) + ret = request_threaded_irq(i2c->irq, NULL, + wm8996_edge_irq, + irq_flags, "wm8996", component); + else + ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq, + irq_flags, "wm8996", component); + + if (ret == 0) { + /* Unmask the interrupt */ + snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL, + WM8996_IM_IRQ, 0); + + /* Enable error reporting and DC servo status */ + snd_soc_component_update_bits(component, + WM8996_INTERRUPT_STATUS_2_MASK, + WM8996_IM_DCS_DONE_23_EINT | + WM8996_IM_DCS_DONE_01_EINT | + WM8996_IM_FLL_LOCK_EINT | + WM8996_IM_FIFOS_ERR_EINT, + 0); + } else { + dev_err(component->dev, "Failed to request IRQ: %d\n", + ret); + return ret; + } + } + + return 0; +} + +static void wm8996_remove(struct snd_soc_component *component) +{ + struct i2c_client *i2c = to_i2c_client(component->dev); + + snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL, + WM8996_IM_IRQ, WM8996_IM_IRQ); + + if (i2c->irq) + free_irq(i2c->irq, component); +} + +static const struct snd_soc_component_driver soc_component_dev_wm8996 = { + .probe = wm8996_probe, + .remove = wm8996_remove, + .set_bias_level = wm8996_set_bias_level, + .seq_notifier = wm8996_seq_notifier, + .controls = wm8996_snd_controls, + .num_controls = ARRAY_SIZE(wm8996_snd_controls), + .dapm_widgets = wm8996_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets), + .dapm_routes = wm8996_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes), + .set_pll = wm8996_set_fll, + .use_pmdown_time = 1, + .endianness = 1, +}; + +#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000) +#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +static const struct snd_soc_dai_ops wm8996_dai_ops = { + .set_fmt = wm8996_set_fmt, + .hw_params = wm8996_hw_params, + .set_sysclk = wm8996_set_sysclk, +}; + +static struct snd_soc_dai_driver wm8996_dai[] = { + { + .name = "wm8996-aif1", + .playback = { + .stream_name = "AIF1 Playback", + .channels_min = 1, + .channels_max = 6, + .rates = WM8996_RATES, + .formats = WM8996_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "AIF1 Capture", + .channels_min = 1, + .channels_max = 6, + .rates = WM8996_RATES, + .formats = WM8996_FORMATS, + .sig_bits = 24, + }, + .ops = &wm8996_dai_ops, + }, + { + .name = "wm8996-aif2", + .playback = { + .stream_name = "AIF2 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM8996_RATES, + .formats = WM8996_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "AIF2 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM8996_RATES, + .formats = WM8996_FORMATS, + .sig_bits = 24, + }, + .ops = &wm8996_dai_ops, + }, +}; + +static int wm8996_i2c_probe(struct i2c_client *i2c) +{ + struct wm8996_priv *wm8996; + int ret, i; + unsigned int reg; + + wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv), + GFP_KERNEL); + if (wm8996 == NULL) + return -ENOMEM; + + i2c_set_clientdata(i2c, wm8996); + wm8996->dev = &i2c->dev; + + if (dev_get_platdata(&i2c->dev)) + memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev), + sizeof(wm8996->pdata)); + + if (wm8996->pdata.ldo_ena > 0) { + ret = gpio_request_one(wm8996->pdata.ldo_ena, + GPIOF_OUT_INIT_LOW, "WM8996 ENA"); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n", + wm8996->pdata.ldo_ena, ret); + goto err; + } + } + + for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) + wm8996->supplies[i].supply = wm8996_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies), + wm8996->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); + goto err_gpio; + } + + wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0; + wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1; + wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2; + + /* This should really be moved into the regulator core */ + for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) { + ret = devm_regulator_register_notifier( + wm8996->supplies[i].consumer, + &wm8996->disable_nb[i]); + if (ret != 0) { + dev_err(&i2c->dev, + "Failed to register regulator notifier: %d\n", + ret); + } + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), + wm8996->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); + goto err_gpio; + } + + if (wm8996->pdata.ldo_ena > 0) { + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1); + msleep(5); + } + + wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap); + if (IS_ERR(wm8996->regmap)) { + ret = PTR_ERR(wm8996->regmap); + dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); + goto err_enable; + } + + ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret); + goto err_regmap; + } + if (reg != 0x8915) { + dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg); + ret = -EINVAL; + goto err_regmap; + } + + ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read device revision: %d\n", + ret); + goto err_regmap; + } + + dev_info(&i2c->dev, "revision %c\n", + (reg & WM8996_CHIP_REV_MASK) + 'A'); + + if (wm8996->pdata.ldo_ena > 0) { + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); + regcache_cache_only(wm8996->regmap, true); + } else { + ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET, + 0x8915); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); + goto err_regmap; + } + } + + regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); + + /* Apply platform data settings */ + regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL, + WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK, + wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT | + wm8996->pdata.inr_mode); + + for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) { + if (!wm8996->pdata.gpio_default[i]) + continue; + + regmap_write(wm8996->regmap, WM8996_GPIO_1 + i, + wm8996->pdata.gpio_default[i] & 0xffff); + } + + if (wm8996->pdata.spkmute_seq) + regmap_update_bits(wm8996->regmap, + WM8996_PDM_SPEAKER_MUTE_SEQUENCE, + WM8996_SPK_MUTE_ENDIAN | + WM8996_SPK_MUTE_SEQ1_MASK, + wm8996->pdata.spkmute_seq); + + regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2, + WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC | + WM8996_MICD_SRC, wm8996->pdata.micdet_def); + + /* Latch volume update bits */ + regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME, + WM8996_IN1_VU, WM8996_IN1_VU); + regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME, + WM8996_IN1_VU, WM8996_IN1_VU); + + regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME, + WM8996_DAC1_VU, WM8996_DAC1_VU); + regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME, + WM8996_DAC1_VU, WM8996_DAC1_VU); + regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME, + WM8996_DAC2_VU, WM8996_DAC2_VU); + regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME, + WM8996_DAC2_VU, WM8996_DAC2_VU); + + regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME, + WM8996_DAC1_VU, WM8996_DAC1_VU); + regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME, + WM8996_DAC1_VU, WM8996_DAC1_VU); + regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME, + WM8996_DAC2_VU, WM8996_DAC2_VU); + regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME, + WM8996_DAC2_VU, WM8996_DAC2_VU); + + regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME, + WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME, + WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME, + WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME, + WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); + + regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME, + WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME, + WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME, + WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); + regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME, + WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); + + /* No support currently for the underclocked TDM modes and + * pick a default TDM layout with each channel pair working with + * slots 0 and 1. */ + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, + WM8996_AIF1RX_CHAN0_SLOTS_MASK | + WM8996_AIF1RX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, + WM8996_AIF1RX_CHAN1_SLOTS_MASK | + WM8996_AIF1RX_CHAN1_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, + WM8996_AIF1RX_CHAN2_SLOTS_MASK | + WM8996_AIF1RX_CHAN2_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, + WM8996_AIF1RX_CHAN3_SLOTS_MASK | + WM8996_AIF1RX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, + WM8996_AIF1RX_CHAN4_SLOTS_MASK | + WM8996_AIF1RX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, + WM8996_AIF1RX_CHAN5_SLOTS_MASK | + WM8996_AIF1RX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1); + + regmap_update_bits(wm8996->regmap, + WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, + WM8996_AIF2RX_CHAN0_SLOTS_MASK | + WM8996_AIF2RX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, + WM8996_AIF2RX_CHAN1_SLOTS_MASK | + WM8996_AIF2RX_CHAN1_START_SLOT_MASK, + 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1); + + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, + WM8996_AIF1TX_CHAN0_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, + WM8996_AIF1TX_CHAN1_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, + WM8996_AIF1TX_CHAN2_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, + WM8996_AIF1TX_CHAN3_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, + WM8996_AIF1TX_CHAN4_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, + WM8996_AIF1TX_CHAN5_SLOTS_MASK | + WM8996_AIF1TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1); + + regmap_update_bits(wm8996->regmap, + WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, + WM8996_AIF2TX_CHAN0_SLOTS_MASK | + WM8996_AIF2TX_CHAN0_START_SLOT_MASK, + 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0); + regmap_update_bits(wm8996->regmap, + WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, + WM8996_AIF2TX_CHAN1_SLOTS_MASK | + WM8996_AIF2TX_CHAN1_START_SLOT_MASK, + 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); + + /* If the TX LRCLK pins are not in LRCLK mode configure the + * AIFs to source their clocks from the RX LRCLKs. + */ + ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret); + goto err_regmap; + } + + if (reg & WM8996_GP1_FN_MASK) + regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2, + WM8996_AIF1TX_LRCLK_MODE, + WM8996_AIF1TX_LRCLK_MODE); + + ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret); + goto err_regmap; + } + + if (reg & WM8996_GP2_FN_MASK) + regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2, + WM8996_AIF2TX_LRCLK_MODE, + WM8996_AIF2TX_LRCLK_MODE); + + wm8996_init_gpio(wm8996); + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_wm8996, wm8996_dai, + ARRAY_SIZE(wm8996_dai)); + if (ret < 0) + goto err_gpiolib; + + return ret; + +err_gpiolib: + wm8996_free_gpio(wm8996); +err_regmap: +err_enable: + if (wm8996->pdata.ldo_ena > 0) + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); + regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); +err_gpio: + if (wm8996->pdata.ldo_ena > 0) + gpio_free(wm8996->pdata.ldo_ena); +err: + + return ret; +} + +static void wm8996_i2c_remove(struct i2c_client *client) +{ + struct wm8996_priv *wm8996 = i2c_get_clientdata(client); + + wm8996_free_gpio(wm8996); + if (wm8996->pdata.ldo_ena > 0) { + gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); + gpio_free(wm8996->pdata.ldo_ena); + } +} + +static const struct i2c_device_id wm8996_i2c_id[] = { + { "wm8996", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id); + +static struct i2c_driver wm8996_i2c_driver = { + .driver = { + .name = "wm8996", + }, + .probe_new = wm8996_i2c_probe, + .remove = wm8996_i2c_remove, + .id_table = wm8996_i2c_id, +}; + +module_i2c_driver(wm8996_i2c_driver); + +MODULE_DESCRIPTION("ASoC WM8996 driver"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); |