diff options
Diffstat (limited to 'sound/soc')
32 files changed, 5923 insertions, 749 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 7f516b6ee150..867d7f90039e 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -557,6 +557,10 @@ config SND_SOC_MAX98357A config SND_SOC_MAX98371 tristate +config SND_SOC_MAX98504 + tristate "Maxim MAX98504 speaker amplifier" + depends on I2C + config SND_SOC_MAX9867 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index ff97d7392e8b..a117312715c0 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -213,6 +213,7 @@ snd-soc-wm-hubs-objs := wm_hubs.o # Amp snd-soc-max9877-objs := max9877.o +snd-soc-max98504-objs := max98504.o snd-soc-tpa6130a2-objs := tpa6130a2.o snd-soc-tas2552-objs := tas2552.o @@ -429,4 +430,5 @@ obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o # Amp obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o +obj-$(CONFIG_SND_SOC_MAX98504) += snd-soc-max98504.o obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o diff --git a/sound/soc/codecs/max98504.c b/sound/soc/codecs/max98504.c new file mode 100644 index 000000000000..a7320e709890 --- /dev/null +++ b/sound/soc/codecs/max98504.c @@ -0,0 +1,383 @@ +/* + * MAX98504 ALSA SoC Audio driver + * + * Copyright 2013 - 2014 Maxim Integrated Products + * Copyright 2016 Samsung Electronics Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <sound/soc.h> + +#include "max98504.h" + +static const char * const max98504_supply_names[] = { + "DVDD", + "DIOVDD", + "PVDD", +}; +#define MAX98504_NUM_SUPPLIES ARRAY_SIZE(max98504_supply_names) + +struct max98504_priv { + struct regmap *regmap; + struct regulator_bulk_data supplies[MAX98504_NUM_SUPPLIES]; + unsigned int pcm_rx_channels; + bool brownout_enable; + unsigned int brownout_threshold; + unsigned int brownout_attenuation; + unsigned int brownout_attack_hold; + unsigned int brownout_timed_hold; + unsigned int brownout_release_rate; +}; + +static struct reg_default max98504_reg_defaults[] = { + { 0x01, 0}, + { 0x02, 0}, + { 0x03, 0}, + { 0x04, 0}, + { 0x10, 0}, + { 0x11, 0}, + { 0x12, 0}, + { 0x13, 0}, + { 0x14, 0}, + { 0x15, 0}, + { 0x16, 0}, + { 0x17, 0}, + { 0x18, 0}, + { 0x19, 0}, + { 0x1A, 0}, + { 0x20, 0}, + { 0x21, 0}, + { 0x22, 0}, + { 0x23, 0}, + { 0x24, 0}, + { 0x25, 0}, + { 0x26, 0}, + { 0x27, 0}, + { 0x28, 0}, + { 0x30, 0}, + { 0x31, 0}, + { 0x32, 0}, + { 0x33, 0}, + { 0x34, 0}, + { 0x35, 0}, + { 0x36, 0}, + { 0x37, 0}, + { 0x38, 0}, + { 0x39, 0}, + { 0x40, 0}, + { 0x41, 0}, +}; + +static bool max98504_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98504_INTERRUPT_STATUS: + case MAX98504_INTERRUPT_FLAGS: + case MAX98504_INTERRUPT_FLAG_CLEARS: + case MAX98504_WATCHDOG_CLEAR: + case MAX98504_GLOBAL_ENABLE: + case MAX98504_SOFTWARE_RESET: + return true; + default: + return false; + } +} + +static bool max98504_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98504_SOFTWARE_RESET: + case MAX98504_WATCHDOG_CLEAR: + case MAX98504_INTERRUPT_FLAG_CLEARS: + return false; + default: + return true; + } +} + +static int max98504_pcm_rx_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm); + struct max98504_priv *max98504 = snd_soc_component_get_drvdata(c); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + regmap_write(max98504->regmap, MAX98504_PCM_RX_ENABLE, + max98504->pcm_rx_channels); + break; + case SND_SOC_DAPM_POST_PMD: + regmap_write(max98504->regmap, MAX98504_PCM_RX_ENABLE, 0); + break; + } + + return 0; +} + +static int max98504_component_probe(struct snd_soc_component *c) +{ + struct max98504_priv *max98504 = snd_soc_component_get_drvdata(c); + struct regmap *map = max98504->regmap; + int ret; + + ret = regulator_bulk_enable(MAX98504_NUM_SUPPLIES, max98504->supplies); + if (ret < 0) + return ret; + + regmap_write(map, MAX98504_SOFTWARE_RESET, 0x1); + msleep(20); + + if (!max98504->brownout_enable) + return 0; + + regmap_write(map, MAX98504_PVDD_BROWNOUT_ENABLE, 0x1); + + regmap_write(map, MAX98504_PVDD_BROWNOUT_CONFIG_1, + (max98504->brownout_threshold & 0x1f) << 3 | + (max98504->brownout_attenuation & 0x3)); + + regmap_write(map, MAX98504_PVDD_BROWNOUT_CONFIG_2, + max98504->brownout_attack_hold & 0xff); + + regmap_write(map, MAX98504_PVDD_BROWNOUT_CONFIG_3, + max98504->brownout_timed_hold & 0xff); + + regmap_write(map, MAX98504_PVDD_BROWNOUT_CONFIG_4, + max98504->brownout_release_rate & 0xff); + + return 0; +} + +static void max98504_component_remove(struct snd_soc_component *c) +{ + struct max98504_priv *max98504 = snd_soc_component_get_drvdata(c); + + regulator_bulk_disable(MAX98504_NUM_SUPPLIES, max98504->supplies); +} + +static const char *spk_source_mux_text[] = { + "PCM Monomix", "Analog In", "PDM Left", "PDM Right" +}; + +static const struct soc_enum spk_source_mux_enum = + SOC_ENUM_SINGLE(MAX98504_SPEAKER_SOURCE_SELECT, + 0, ARRAY_SIZE(spk_source_mux_text), + spk_source_mux_text); + +static const struct snd_kcontrol_new spk_source_mux = + SOC_DAPM_ENUM("SPK Source", spk_source_mux_enum); + +static const struct snd_soc_dapm_route max98504_dapm_routes[] = { + { "SPKOUT", NULL, "Global Enable" }, + { "SPK Source", "PCM Monomix", "DAC PCM" }, + { "SPK Source", "Analog In", "AIN" }, + { "SPK Source", "PDM Left", "DAC PDM" }, + { "SPK Source", "PDM Right", "DAC PDM" }, +}; + +static const struct snd_soc_dapm_widget max98504_dapm_widgets[] = { + SND_SOC_DAPM_SUPPLY("Global Enable", MAX98504_GLOBAL_ENABLE, + 0, 0, NULL, 0), + SND_SOC_DAPM_INPUT("AIN"), + SND_SOC_DAPM_AIF_OUT("AIF2OUTL", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF2OUTR", "AIF2 Capture", 1, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC_E("DAC PCM", NULL, SND_SOC_NOPM, 0, 0, + max98504_pcm_rx_ev, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_DAC("DAC PDM", NULL, MAX98504_PDM_RX_ENABLE, 0, 0), + SND_SOC_DAPM_MUX("SPK Source", SND_SOC_NOPM, 0, 0, &spk_source_mux), + SND_SOC_DAPM_REG(snd_soc_dapm_spk, "SPKOUT", + MAX98504_SPEAKER_ENABLE, 0, 1, 1, 0), +}; + +static int max98504_set_tdm_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, unsigned int rx_mask, + int slots, int slot_width) +{ + struct max98504_priv *max98504 = snd_soc_dai_get_drvdata(dai); + struct regmap *map = max98504->regmap; + + + switch (dai->id) { + case MAX98504_DAI_ID_PCM: + regmap_write(map, MAX98504_PCM_TX_ENABLE, tx_mask); + max98504->pcm_rx_channels = rx_mask; + break; + + case MAX98504_DAI_ID_PDM: + regmap_write(map, MAX98504_PDM_TX_ENABLE, tx_mask); + break; + default: + WARN_ON(1); + } + + return 0; +} +static int max98504_set_channel_map(struct snd_soc_dai *dai, + unsigned int tx_num, unsigned int *tx_slot, + unsigned int rx_num, unsigned int *rx_slot) +{ + struct max98504_priv *max98504 = snd_soc_dai_get_drvdata(dai); + struct regmap *map = max98504->regmap; + unsigned int i, sources = 0; + + for (i = 0; i < tx_num; i++) + if (tx_slot[i]) + sources |= (1 << i); + + switch (dai->id) { + case MAX98504_DAI_ID_PCM: + regmap_write(map, MAX98504_PCM_TX_CHANNEL_SOURCES, + sources); + break; + + case MAX98504_DAI_ID_PDM: + regmap_write(map, MAX98504_PDM_TX_CONTROL, sources); + break; + default: + WARN_ON(1); + } + + regmap_write(map, MAX98504_MEASUREMENT_ENABLE, sources ? 0x3 : 0x01); + + return 0; +} + +static const struct snd_soc_dai_ops max98504_dai_ops = { + .set_tdm_slot = max98504_set_tdm_slot, + .set_channel_map = max98504_set_channel_map, +}; + +#define MAX98504_FORMATS (SNDRV_PCM_FMTBIT_S8|SNDRV_PCM_FMTBIT_S16_LE|\ + SNDRV_PCM_FMTBIT_S24_LE|SNDRV_PCM_FMTBIT_S32_LE) +#define MAX98504_PDM_RATES (SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|\ + SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|\ + SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|\ + SNDRV_PCM_RATE_96000) + +static struct snd_soc_dai_driver max98504_dai[] = { + /* TODO: Add the PCM interface definitions */ + { + .name = "max98504-aif2", + .id = MAX98504_DAI_ID_PDM, + .playback = { + .stream_name = "AIF2 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98504_PDM_RATES, + .formats = MAX98504_FORMATS, + }, + .capture = { + .stream_name = "AIF2 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98504_PDM_RATES, + .formats = MAX98504_FORMATS, + }, + .ops = &max98504_dai_ops, + }, +}; + +static const struct snd_soc_component_driver max98504_component_driver = { + .probe = max98504_component_probe, + .remove = max98504_component_remove, + .dapm_widgets = max98504_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(max98504_dapm_widgets), + .dapm_routes = max98504_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(max98504_dapm_routes), +}; + +static const struct regmap_config max98504_regmap = { + .reg_bits = 16, + .val_bits = 8, + .max_register = MAX98504_MAX_REGISTER, + .reg_defaults = max98504_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(max98504_reg_defaults), + .volatile_reg = max98504_volatile_register, + .readable_reg = max98504_readable_register, + .cache_type = REGCACHE_RBTREE, +}; + +static int max98504_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; + struct max98504_priv *max98504; + int i, ret; + + max98504 = devm_kzalloc(dev, sizeof(*max98504), GFP_KERNEL); + if (!max98504) + return -ENOMEM; + + if (node) { + if (!of_property_read_u32(node, "maxim,brownout-threshold", + &max98504->brownout_threshold)) + max98504->brownout_enable = true; + + of_property_read_u32(node, "maxim,brownout-attenuation", + &max98504->brownout_attenuation); + of_property_read_u32(node, "maxim,brownout-attack-hold-ms", + &max98504->brownout_attack_hold); + of_property_read_u32(node, "maxim,brownout-timed-hold-ms", + &max98504->brownout_timed_hold); + of_property_read_u32(node, "maxim,brownout-release-rate-ms", + &max98504->brownout_release_rate); + } + + max98504->regmap = devm_regmap_init_i2c(client, &max98504_regmap); + if (IS_ERR(max98504->regmap)) { + ret = PTR_ERR(max98504->regmap); + dev_err(&client->dev, "regmap initialization failed: %d\n", ret); + return ret; + } + + for (i = 0; i < MAX98504_NUM_SUPPLIES; i++) + max98504->supplies[i].supply = max98504_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, MAX98504_NUM_SUPPLIES, + max98504->supplies); + if (ret < 0) + return ret; + + i2c_set_clientdata(client, max98504); + + return devm_snd_soc_register_component(dev, &max98504_component_driver, + max98504_dai, ARRAY_SIZE(max98504_dai)); +} + +#ifdef CONFIG_OF +static const struct of_device_id max98504_of_match[] = { + { .compatible = "maxim,max98504" }, + { }, +}; +MODULE_DEVICE_TABLE(of, max98504_of_match); +#endif + +static const struct i2c_device_id max98504_i2c_id[] = { + { "max98504" }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max98504_i2c_id); + +static struct i2c_driver max98504_i2c_driver = { + .driver = { + .name = "max98504", + .of_match_table = of_match_ptr(max98504_of_match), + }, + .probe = max98504_i2c_probe, + .id_table = max98504_i2c_id, +}; +module_i2c_driver(max98504_i2c_driver); + +MODULE_DESCRIPTION("ASoC MAX98504 driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/max98504.h b/sound/soc/codecs/max98504.h new file mode 100644 index 000000000000..afbefad2d5ce --- /dev/null +++ b/sound/soc/codecs/max98504.h @@ -0,0 +1,59 @@ +/* + * MAX98504 ALSA SoC Audio driver + * + * Copyright 2011 - 2012 Maxim Integrated Products + * Copyright 2016 Samsung Electronics Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef MAX98504_H_ +#define MAX98504_H_ + +/* + * MAX98504 Register Definitions + */ +#define MAX98504_INTERRUPT_STATUS 0x01 +#define MAX98504_INTERRUPT_FLAGS 0x02 +#define MAX98504_INTERRUPT_ENABLE 0x03 +#define MAX98504_INTERRUPT_FLAG_CLEARS 0x04 +#define MAX98504_GPIO_ENABLE 0x10 +#define MAX98504_GPIO_CONFIG 0x11 +#define MAX98504_WATCHDOG_ENABLE 0x12 +#define MAX98504_WATCHDOG_CONFIG 0x13 +#define MAX98504_WATCHDOG_CLEAR 0x14 +#define MAX98504_CLOCK_MONITOR_ENABLE 0x15 +#define MAX98504_PVDD_BROWNOUT_ENABLE 0x16 +#define MAX98504_PVDD_BROWNOUT_CONFIG_1 0x17 +#define MAX98504_PVDD_BROWNOUT_CONFIG_2 0x18 +#define MAX98504_PVDD_BROWNOUT_CONFIG_3 0x19 +#define MAX98504_PVDD_BROWNOUT_CONFIG_4 0x1a +#define MAX98504_PCM_RX_ENABLE 0x20 +#define MAX98504_PCM_TX_ENABLE 0x21 +#define MAX98504_PCM_TX_HIZ_CONTROL 0x22 +#define MAX98504_PCM_TX_CHANNEL_SOURCES 0x23 +#define MAX98504_PCM_MODE_CONFIG 0x24 +#define MAX98504_PCM_DSP_CONFIG 0x25 +#define MAX98504_PCM_CLOCK_SETUP 0x26 +#define MAX98504_PCM_SAMPLE_RATE_SETUP 0x27 +#define MAX98504_PCM_TO_SPEAKER_MONOMIX 0x28 +#define MAX98504_PDM_TX_ENABLE 0x30 +#define MAX98504_PDM_TX_HIZ_CONTROL 0x31 +#define MAX98504_PDM_TX_CONTROL 0x32 +#define MAX98504_PDM_RX_ENABLE 0x33 +#define MAX98504_SPEAKER_ENABLE 0x34 +#define MAX98504_SPEAKER_SOURCE_SELECT 0x35 +#define MAX98504_MEASUREMENT_ENABLE 0x36 +#define MAX98504_ANALOGUE_INPUT_GAIN 0x37 +#define MAX98504_TEMPERATURE_LIMIT_CONFIG 0x38 +#define MAX98504_GLOBAL_ENABLE 0x40 +#define MAX98504_SOFTWARE_RESET 0x41 +#define MAX98504_REV_ID 0x7fff + +#define MAX98504_MAX_REGISTER 0x7fff + +#define MAX98504_DAI_ID_PCM 1 +#define MAX98504_DAI_ID_PDM 2 + +#endif /* MAX98504_H_ */ diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c index 2a22fddeb6af..2a22fddeb6af 100755..100644 --- a/sound/soc/codecs/max9867.c +++ b/sound/soc/codecs/max9867.c diff --git a/sound/soc/codecs/max9867.h b/sound/soc/codecs/max9867.h index 65590b4ad62a..65590b4ad62a 100755..100644 --- a/sound/soc/codecs/max9867.h +++ b/sound/soc/codecs/max9867.h diff --git a/sound/soc/codecs/max9877.h b/sound/soc/codecs/max9877.h index 6da72290ac58..368343f29dd0 100644 --- a/sound/soc/codecs/max9877.h +++ b/sound/soc/codecs/max9877.h @@ -32,6 +32,4 @@ #define MAX9877_BYPASS (1 << 6) #define MAX9877_SHDN (1 << 7) -extern int max9877_add_controls(struct snd_soc_codec *codec); - #endif diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 683769f0f246..5c9707ac4bbf 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/acpi.h> #include <linux/math64.h> +#include <linux/semaphore.h> #include <sound/initval.h> #include <sound/tlv.h> @@ -30,10 +31,22 @@ #include "nau8825.h" + +#define NUVOTON_CODEC_DAI "nau8825-hifi" + #define NAU_FREF_MAX 13500000 -#define NAU_FVCO_MAX 100000000 +#define NAU_FVCO_MAX 124000000 #define NAU_FVCO_MIN 90000000 +/* cross talk suppression detection */ +#define LOG10_MAGIC 646456993 +#define GAIN_AUGMENT 22500 +#define SIDETONE_BASE 207000 + + +static int nau8825_configure_sysclk(struct nau8825 *nau8825, + int clk_id, unsigned int freq); + struct nau8825_fll { int mclk_src; int ratio; @@ -156,6 +169,661 @@ static const struct reg_default nau8825_reg_defaults[] = { { NAU8825_REG_CHARGE_PUMP, 0x0 }, }; +/* register backup table when cross talk detection */ +static struct reg_default nau8825_xtalk_baktab[] = { + { NAU8825_REG_ADC_DGAIN_CTRL, 0 }, + { NAU8825_REG_HSVOL_CTRL, 0 }, + { NAU8825_REG_DACL_CTRL, 0 }, + { NAU8825_REG_DACR_CTRL, 0 }, +}; + +static const unsigned short logtable[256] = { + 0x0000, 0x0171, 0x02e0, 0x044e, 0x05ba, 0x0725, 0x088e, 0x09f7, + 0x0b5d, 0x0cc3, 0x0e27, 0x0f8a, 0x10eb, 0x124b, 0x13aa, 0x1508, + 0x1664, 0x17bf, 0x1919, 0x1a71, 0x1bc8, 0x1d1e, 0x1e73, 0x1fc6, + 0x2119, 0x226a, 0x23ba, 0x2508, 0x2656, 0x27a2, 0x28ed, 0x2a37, + 0x2b80, 0x2cc8, 0x2e0f, 0x2f54, 0x3098, 0x31dc, 0x331e, 0x345f, + 0x359f, 0x36de, 0x381b, 0x3958, 0x3a94, 0x3bce, 0x3d08, 0x3e41, + 0x3f78, 0x40af, 0x41e4, 0x4319, 0x444c, 0x457f, 0x46b0, 0x47e1, + 0x4910, 0x4a3f, 0x4b6c, 0x4c99, 0x4dc5, 0x4eef, 0x5019, 0x5142, + 0x526a, 0x5391, 0x54b7, 0x55dc, 0x5700, 0x5824, 0x5946, 0x5a68, + 0x5b89, 0x5ca8, 0x5dc7, 0x5ee5, 0x6003, 0x611f, 0x623a, 0x6355, + 0x646f, 0x6588, 0x66a0, 0x67b7, 0x68ce, 0x69e4, 0x6af8, 0x6c0c, + 0x6d20, 0x6e32, 0x6f44, 0x7055, 0x7165, 0x7274, 0x7383, 0x7490, + 0x759d, 0x76aa, 0x77b5, 0x78c0, 0x79ca, 0x7ad3, 0x7bdb, 0x7ce3, + 0x7dea, 0x7ef0, 0x7ff6, 0x80fb, 0x81ff, 0x8302, 0x8405, 0x8507, + 0x8608, 0x8709, 0x8809, 0x8908, 0x8a06, 0x8b04, 0x8c01, 0x8cfe, + 0x8dfa, 0x8ef5, 0x8fef, 0x90e9, 0x91e2, 0x92db, 0x93d2, 0x94ca, + 0x95c0, 0x96b6, 0x97ab, 0x98a0, 0x9994, 0x9a87, 0x9b7a, 0x9c6c, + 0x9d5e, 0x9e4f, 0x9f3f, 0xa02e, 0xa11e, 0xa20c, 0xa2fa, 0xa3e7, + 0xa4d4, 0xa5c0, 0xa6ab, 0xa796, 0xa881, 0xa96a, 0xaa53, 0xab3c, + 0xac24, 0xad0c, 0xadf2, 0xaed9, 0xafbe, 0xb0a4, 0xb188, 0xb26c, + 0xb350, 0xb433, 0xb515, 0xb5f7, 0xb6d9, 0xb7ba, 0xb89a, 0xb97a, + 0xba59, 0xbb38, 0xbc16, 0xbcf4, 0xbdd1, 0xbead, 0xbf8a, 0xc065, + 0xc140, 0xc21b, 0xc2f5, 0xc3cf, 0xc4a8, 0xc580, 0xc658, 0xc730, + 0xc807, 0xc8de, 0xc9b4, 0xca8a, 0xcb5f, 0xcc34, 0xcd08, 0xcddc, + 0xceaf, 0xcf82, 0xd054, 0xd126, 0xd1f7, 0xd2c8, 0xd399, 0xd469, + 0xd538, 0xd607, 0xd6d6, 0xd7a4, 0xd872, 0xd93f, 0xda0c, 0xdad9, + 0xdba5, 0xdc70, 0xdd3b, 0xde06, 0xded0, 0xdf9a, 0xe063, 0xe12c, + 0xe1f5, 0xe2bd, 0xe385, 0xe44c, 0xe513, 0xe5d9, 0xe69f, 0xe765, + 0xe82a, 0xe8ef, 0xe9b3, 0xea77, 0xeb3b, 0xebfe, 0xecc1, 0xed83, + 0xee45, 0xef06, 0xefc8, 0xf088, 0xf149, 0xf209, 0xf2c8, 0xf387, + 0xf446, 0xf505, 0xf5c3, 0xf680, 0xf73e, 0xf7fb, 0xf8b7, 0xf973, + 0xfa2f, 0xfaea, 0xfba5, 0xfc60, 0xfd1a, 0xfdd4, 0xfe8e, 0xff47 +}; + +static struct snd_soc_dai *nau8825_get_codec_dai(struct nau8825 *nau8825) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(nau8825->dapm); + struct snd_soc_component *component = &codec->component; + struct snd_soc_dai *codec_dai, *_dai; + + list_for_each_entry_safe(codec_dai, _dai, &component->dai_list, list) { + if (!strncmp(codec_dai->name, NUVOTON_CODEC_DAI, + strlen(NUVOTON_CODEC_DAI))) + return codec_dai; + } + return NULL; +} + +static bool nau8825_dai_is_active(struct nau8825 *nau8825) +{ + struct snd_soc_dai *codec_dai = nau8825_get_codec_dai(nau8825); + + if (codec_dai) { + if (codec_dai->playback_active || codec_dai->capture_active) + return true; + } + return false; +} + +/** + * nau8825_sema_acquire - acquire the semaphore of nau88l25 + * @nau8825: component to register the codec private data with + * @timeout: how long in jiffies to wait before failure or zero to wait + * until release + * + * Attempts to acquire the semaphore with number of jiffies. If no more + * tasks are allowed to acquire the semaphore, calling this function will + * put the task to sleep. If the semaphore is not released within the + * specified number of jiffies, this function returns. + * Acquires the semaphore without jiffies. If no more tasks are allowed + * to acquire the semaphore, calling this function will put the task to + * sleep until the semaphore is released. + * It returns if the semaphore was acquired. + */ +static void nau8825_sema_acquire(struct nau8825 *nau8825, long timeout) +{ + int ret; + + if (timeout) + ret = down_timeout(&nau8825->xtalk_sem, timeout); + else + ret = down_interruptible(&nau8825->xtalk_sem); + + if (ret < 0) + dev_warn(nau8825->dev, "Acquire semaphone fail\n"); +} + +/** + * nau8825_sema_release - release the semaphore of nau88l25 + * @nau8825: component to register the codec private data with + * + * Release the semaphore which may be called from any context and + * even by tasks which have never called down(). + */ +static inline void nau8825_sema_release(struct nau8825 *nau8825) +{ + up(&nau8825->xtalk_sem); +} + +/** + * nau8825_sema_reset - reset the semaphore for nau88l25 + * @nau8825: component to register the codec private data with + * + * Reset the counter of the semaphore. Call this function to restart + * a new round task management. + */ +static inline void nau8825_sema_reset(struct nau8825 *nau8825) +{ + nau8825->xtalk_sem.count = 1; +} + +/** + * Ramp up the headphone volume change gradually to target level. + * + * @nau8825: component to register the codec private data with + * @vol_from: the volume to start up + * @vol_to: the target volume + * @step: the volume span to move on + * + * The headphone volume is from 0dB to minimum -54dB and -1dB per step. + * If the volume changes sharp, there is a pop noise heard in headphone. We + * provide the function to ramp up the volume up or down by delaying 10ms + * per step. + */ +static void nau8825_hpvol_ramp(struct nau8825 *nau8825, + unsigned int vol_from, unsigned int vol_to, unsigned int step) +{ + unsigned int value, volume, ramp_up, from, to; + + if (vol_from == vol_to || step == 0) { + return; + } else if (vol_from < vol_to) { + ramp_up = true; + from = vol_from; + to = vol_to; + } else { + ramp_up = false; + from = vol_to; + to = vol_from; + } + /* only handle volume from 0dB to minimum -54dB */ + if (to > NAU8825_HP_VOL_MIN) + to = NAU8825_HP_VOL_MIN; + + for (volume = from; volume < to; volume += step) { + if (ramp_up) + value = volume; + else + value = to - volume + from; + regmap_update_bits(nau8825->regmap, NAU8825_REG_HSVOL_CTRL, + NAU8825_HPL_VOL_MASK | NAU8825_HPR_VOL_MASK, + (value << NAU8825_HPL_VOL_SFT) | value); + usleep_range(10000, 10500); + } + if (ramp_up) + value = to; + else + value = from; + regmap_update_bits(nau8825->regmap, NAU8825_REG_HSVOL_CTRL, + NAU8825_HPL_VOL_MASK | NAU8825_HPR_VOL_MASK, + (value << NAU8825_HPL_VOL_SFT) | value); +} + +/** + * Computes log10 of a value; the result is round off to 3 decimal. This func- + * tion takes reference to dvb-math. The source code locates as the following. + * Linux/drivers/media/dvb-core/dvb_math.c + * + * return log10(value) * 1000 + */ +static u32 nau8825_intlog10_dec3(u32 value) +{ + u32 msb, logentry, significand, interpolation, log10val; + u64 log2val; + + /* first detect the msb (count begins at 0) */ + msb = fls(value) - 1; + /** + * now we use a logtable after the following method: + * + * log2(2^x * y) * 2^24 = x * 2^24 + log2(y) * 2^24 + * where x = msb and therefore 1 <= y < 2 + * first y is determined by shifting the value left + * so that msb is bit 31 + * 0x00231f56 -> 0x8C7D5800 + * the result is y * 2^31 -> "significand" + * then the highest 9 bits are used for a table lookup + * the highest bit is discarded because it's always set + * the highest nine bits in our example are 100011000 + * so we would use the entry 0x18 + */ + significand = value << (31 - msb); + logentry = (significand >> 23) & 0xff; + /** + * last step we do is interpolation because of the + * limitations of the log table the error is that part of + * the significand which isn't used for lookup then we + * compute the ratio between the error and the next table entry + * and interpolate it between the log table entry used and the + * next one the biggest error possible is 0x7fffff + * (in our example it's 0x7D5800) + * needed value for next table entry is 0x800000 + * so the interpolation is + * (error / 0x800000) * (logtable_next - logtable_current) + * in the implementation the division is moved to the end for + * better accuracy there is also an overflow correction if + * logtable_next is 256 + */ + interpolation = ((significand & 0x7fffff) * + ((logtable[(logentry + 1) & 0xff] - + logtable[logentry]) & 0xffff)) >> 15; + + log2val = ((msb << 24) + (logtable[logentry] << 8) + interpolation); + /** + * log10(x) = log2(x) * log10(2) + */ + log10val = (log2val * LOG10_MAGIC) >> 31; + /** + * the result is round off to 3 decimal + */ + return log10val / ((1 << 24) / 1000); +} + +/** + * computes cross talk suppression sidetone gain. + * + * @sig_org: orignal signal level + * @sig_cros: cross talk signal level + * + * The orignal and cross talk signal vlues need to be characterized. + * Once these values have been characterized, this sidetone value + * can be converted to decibel with the equation below. + * sidetone = 20 * log (original signal level / crosstalk signal level) + * + * return cross talk sidetone gain + */ +static u32 nau8825_xtalk_sidetone(u32 sig_org, u32 sig_cros) +{ + u32 gain, sidetone; + + if (unlikely(sig_org == 0) || unlikely(sig_cros == 0)) { + WARN_ON(1); + return 0; + } + + sig_org = nau8825_intlog10_dec3(sig_org); + sig_cros = nau8825_intlog10_dec3(sig_cros); + if (sig_org >= sig_cros) + gain = (sig_org - sig_cros) * 20 + GAIN_AUGMENT; + else + gain = (sig_cros - sig_org) * 20 + GAIN_AUGMENT; + sidetone = SIDETONE_BASE - gain * 2; + sidetone /= 1000; + + return sidetone; +} + +static int nau8825_xtalk_baktab_index_by_reg(unsigned int reg) +{ + int index; + + for (index = 0; index < ARRAY_SIZE(nau8825_xtalk_baktab); index++) + if (nau8825_xtalk_baktab[index].reg == reg) + return index; + return -EINVAL; +} + +static void nau8825_xtalk_backup(struct nau8825 *nau8825) +{ + int i; + + /* Backup some register values to backup table */ + for (i = 0; i < ARRAY_SIZE(nau8825_xtalk_baktab); i++) + regmap_read(nau8825->regmap, nau8825_xtalk_baktab[i].reg, + &nau8825_xtalk_baktab[i].def); +} + +static void nau8825_xtalk_restore(struct nau8825 *nau8825) +{ + int i, volume; + + /* Restore register values from backup table; When the driver restores + * the headphone volumem, it needs recover to original level gradually + * with 3dB per step for less pop noise. + */ + for (i = 0; i < ARRAY_SIZE(nau8825_xtalk_baktab); i++) { + if (nau8825_xtalk_baktab[i].reg == NAU8825_REG_HSVOL_CTRL) { + /* Ramping up the volume change to reduce pop noise */ + volume = nau8825_xtalk_baktab[i].def & + NAU8825_HPR_VOL_MASK; + nau8825_hpvol_ramp(nau8825, 0, volume, 3); + continue; + } + regmap_write(nau8825->regmap, nau8825_xtalk_baktab[i].reg, + nau8825_xtalk_baktab[i].def); + } +} + +static void nau8825_xtalk_prepare_dac(struct nau8825 *nau8825) +{ + /* Enable power of DAC path */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_DACR | NAU8825_ENABLE_DACL | + NAU8825_ENABLE_ADC | NAU8825_ENABLE_ADC_CLK | + NAU8825_ENABLE_DAC_CLK, NAU8825_ENABLE_DACR | + NAU8825_ENABLE_DACL | NAU8825_ENABLE_ADC | + NAU8825_ENABLE_ADC_CLK | NAU8825_ENABLE_DAC_CLK); + /* Prevent startup click by letting charge pump to ramp up and + * change bump enable + */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_JAMNODCLOW | NAU8825_CHANRGE_PUMP_EN, + NAU8825_JAMNODCLOW | NAU8825_CHANRGE_PUMP_EN); + /* Enable clock sync of DAC and DAC clock */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_RDAC, + NAU8825_RDAC_EN | NAU8825_RDAC_CLK_EN | + NAU8825_RDAC_FS_BCLK_ENB, + NAU8825_RDAC_EN | NAU8825_RDAC_CLK_EN); + /* Power up output driver with 2 stage */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL, + NAU8825_POWERUP_INTEGR_R | NAU8825_POWERUP_INTEGR_L | + NAU8825_POWERUP_DRV_IN_R | NAU8825_POWERUP_DRV_IN_L, + NAU8825_POWERUP_INTEGR_R | NAU8825_POWERUP_INTEGR_L | + NAU8825_POWERUP_DRV_IN_R | NAU8825_POWERUP_DRV_IN_L); + regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL, + NAU8825_POWERUP_HP_DRV_R | NAU8825_POWERUP_HP_DRV_L, + NAU8825_POWERUP_HP_DRV_R | NAU8825_POWERUP_HP_DRV_L); + /* HP outputs not shouted to ground */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_HSD_CTRL, + NAU8825_SPKR_DWN1R | NAU8825_SPKR_DWN1L, 0); + /* Enable HP boost driver */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BOOST, + NAU8825_HP_BOOST_DIS, NAU8825_HP_BOOST_DIS); + /* Enable class G compare path to supply 1.8V or 0.9V. */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CLASSG_CTRL, + NAU8825_CLASSG_LDAC_EN | NAU8825_CLASSG_RDAC_EN, + NAU8825_CLASSG_LDAC_EN | NAU8825_CLASSG_RDAC_EN); +} + +static void nau8825_xtalk_prepare_adc(struct nau8825 *nau8825) +{ + /* Power up left ADC and raise 5dB than Vmid for Vref */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ANALOG_ADC_2, + NAU8825_POWERUP_ADCL | NAU8825_ADC_VREFSEL_MASK, + NAU8825_POWERUP_ADCL | NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB); +} + +static void nau8825_xtalk_clock(struct nau8825 *nau8825) +{ + /* Recover FLL default value */ + regmap_write(nau8825->regmap, NAU8825_REG_FLL1, 0x0); + regmap_write(nau8825->regmap, NAU8825_REG_FLL2, 0x3126); + regmap_write(nau8825->regmap, NAU8825_REG_FLL3, 0x0008); + regmap_write(nau8825->regmap, NAU8825_REG_FLL4, 0x0010); + regmap_write(nau8825->regmap, NAU8825_REG_FLL5, 0x0); + regmap_write(nau8825->regmap, NAU8825_REG_FLL6, 0x6000); + /* Enable internal VCO clock for detection signal generated */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_SRC_MASK, NAU8825_CLK_SRC_VCO); + regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6, NAU8825_DCO_EN, + NAU8825_DCO_EN); + /* Given specific clock frequency of internal clock to + * generate signal. + */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_MCLK_SRC_MASK, 0xf); + regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL1, + NAU8825_FLL_RATIO_MASK, 0x10); +} + +static void nau8825_xtalk_prepare(struct nau8825 *nau8825) +{ + int volume, index; + + /* Backup those registers changed by cross talk detection */ + nau8825_xtalk_backup(nau8825); + /* Config IIS as master to output signal by codec */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK | NAU8825_I2S_DRV_MASK | + NAU8825_I2S_BLK_DIV_MASK, NAU8825_I2S_MS_MASTER | + (0x2 << NAU8825_I2S_DRV_SFT) | 0x1); + /* Ramp up headphone volume to 0dB to get better performance and + * avoid pop noise in headphone. + */ + index = nau8825_xtalk_baktab_index_by_reg(NAU8825_REG_HSVOL_CTRL); + if (index != -EINVAL) { + volume = nau8825_xtalk_baktab[index].def & + NAU8825_HPR_VOL_MASK; + nau8825_hpvol_ramp(nau8825, volume, 0, 3); + } + nau8825_xtalk_clock(nau8825); + nau8825_xtalk_prepare_dac(nau8825); + nau8825_xtalk_prepare_adc(nau8825); + /* Config channel path and digital gain */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_DACL_CTRL, + NAU8825_DACL_CH_SEL_MASK | NAU8825_DACL_CH_VOL_MASK, + NAU8825_DACL_CH_SEL_L | 0xab); + regmap_update_bits(nau8825->regmap, NAU8825_REG_DACR_CTRL, + NAU8825_DACR_CH_SEL_MASK | NAU8825_DACR_CH_VOL_MASK, + NAU8825_DACR_CH_SEL_R | 0xab); + /* Config cross talk parameters and generate the 23Hz sine wave with + * 1/16 full scale of signal level for impedance measurement. + */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL, + NAU8825_IMM_THD_MASK | NAU8825_IMM_GEN_VOL_MASK | + NAU8825_IMM_CYC_MASK | NAU8825_IMM_DAC_SRC_MASK, + (0x9 << NAU8825_IMM_THD_SFT) | NAU8825_IMM_GEN_VOL_1_16th | + NAU8825_IMM_CYC_8192 | NAU8825_IMM_DAC_SRC_SIN); + /* RMS intrruption enable */ + regmap_update_bits(nau8825->regmap, + NAU8825_REG_INTERRUPT_MASK, NAU8825_IRQ_RMS_EN, 0); + /* Power up left and right DAC */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_POWER_DOWN_DACR | NAU8825_POWER_DOWN_DACL, 0); +} + +static void nau8825_xtalk_clean_dac(struct nau8825 *nau8825) +{ + /* Disable HP boost driver */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BOOST, + NAU8825_HP_BOOST_DIS, 0); + /* HP outputs shouted to ground */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_HSD_CTRL, + NAU8825_SPKR_DWN1R | NAU8825_SPKR_DWN1L, + NAU8825_SPKR_DWN1R | NAU8825_SPKR_DWN1L); + /* Power down left and right DAC */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_POWER_DOWN_DACR | NAU8825_POWER_DOWN_DACL, + NAU8825_POWER_DOWN_DACR | NAU8825_POWER_DOWN_DACL); + /* Enable the TESTDAC and disable L/R HP impedance */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_HPR_IMP | NAU8825_BIAS_HPL_IMP | + NAU8825_BIAS_TESTDAC_EN, NAU8825_BIAS_TESTDAC_EN); + /* Power down output driver with 2 stage */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL, + NAU8825_POWERUP_HP_DRV_R | NAU8825_POWERUP_HP_DRV_L, 0); + regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL, + NAU8825_POWERUP_INTEGR_R | NAU8825_POWERUP_INTEGR_L | + NAU8825_POWERUP_DRV_IN_R | NAU8825_POWERUP_DRV_IN_L, 0); + /* Disable clock sync of DAC and DAC clock */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_RDAC, + NAU8825_RDAC_EN | NAU8825_RDAC_CLK_EN, 0); + /* Disable charge pump ramp up function and change bump */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_JAMNODCLOW | NAU8825_CHANRGE_PUMP_EN, 0); + /* Disable power of DAC path */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_DACR | NAU8825_ENABLE_DACL | + NAU8825_ENABLE_ADC_CLK | NAU8825_ENABLE_DAC_CLK, 0); + if (!nau8825->irq) + regmap_update_bits(nau8825->regmap, + NAU8825_REG_ENA_CTRL, NAU8825_ENABLE_ADC, 0); +} + +static void nau8825_xtalk_clean_adc(struct nau8825 *nau8825) +{ + /* Power down left ADC and restore voltage to Vmid */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ANALOG_ADC_2, + NAU8825_POWERUP_ADCL | NAU8825_ADC_VREFSEL_MASK, 0); +} + +static void nau8825_xtalk_clean(struct nau8825 *nau8825) +{ + /* Enable internal VCO needed for interruptions */ + nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0); + nau8825_xtalk_clean_dac(nau8825); + nau8825_xtalk_clean_adc(nau8825); + /* Clear cross talk parameters and disable */ + regmap_write(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL, 0); + /* RMS intrruption disable */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_INTERRUPT_MASK, + NAU8825_IRQ_RMS_EN, NAU8825_IRQ_RMS_EN); + /* Recover default value for IIS */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK | NAU8825_I2S_DRV_MASK | + NAU8825_I2S_BLK_DIV_MASK, NAU8825_I2S_MS_SLAVE); + /* Restore value of specific register for cross talk */ + nau8825_xtalk_restore(nau8825); +} + +static void nau8825_xtalk_imm_start(struct nau8825 *nau8825, int vol) +{ + /* Apply ADC volume for better cross talk performance */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ADC_DGAIN_CTRL, + NAU8825_ADC_DIG_VOL_MASK, vol); + /* Disables JKTIP(HPL) DAC channel for right to left measurement. + * Do it before sending signal in order to erase pop noise. + */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_TESTDACR_EN | NAU8825_BIAS_TESTDACL_EN, + NAU8825_BIAS_TESTDACL_EN); + switch (nau8825->xtalk_state) { + case NAU8825_XTALK_HPR_R2L: + /* Enable right headphone impedance */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_HPR_IMP | NAU8825_BIAS_HPL_IMP, + NAU8825_BIAS_HPR_IMP); + break; + case NAU8825_XTALK_HPL_R2L: + /* Enable left headphone impedance */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_HPR_IMP | NAU8825_BIAS_HPL_IMP, + NAU8825_BIAS_HPL_IMP); + break; + default: + break; + } + msleep(100); + /* Impedance measurement mode enable */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL, + NAU8825_IMM_EN, NAU8825_IMM_EN); +} + +static void nau8825_xtalk_imm_stop(struct nau8825 *nau8825) +{ + /* Impedance measurement mode disable */ + regmap_update_bits(nau8825->regmap, + NAU8825_REG_IMM_MODE_CTRL, NAU8825_IMM_EN, 0); +} + +/* The cross talk measurement function can reduce cross talk across the + * JKTIP(HPL) and JKR1(HPR) outputs which measures the cross talk signal + * level to determine what cross talk reduction gain is. This system works by + * sending a 23Hz -24dBV sine wave into the headset output DAC and through + * the PGA. The output of the PGA is then connected to an internal current + * sense which measures the attenuated 23Hz signal and passing the output to + * an ADC which converts the measurement to a binary code. With two separated + * measurement, one for JKR1(HPR) and the other JKTIP(HPL), measurement data + * can be separated read in IMM_RMS_L for HSR and HSL after each measurement. + * Thus, the measurement function has four states to complete whole sequence. + * 1. Prepare state : Prepare the resource for detection and transfer to HPR + * IMM stat to make JKR1(HPR) impedance measure. + * 2. HPR IMM state : Read out orignal signal level of JKR1(HPR) and transfer + * to HPL IMM state to make JKTIP(HPL) impedance measure. + * 3. HPL IMM state : Read out cross talk signal level of JKTIP(HPL) and + * transfer to IMM state to determine suppression sidetone gain. + * 4. IMM state : Computes cross talk suppression sidetone gain with orignal + * and cross talk signal level. Apply this gain and then restore codec + * configuration. Then transfer to Done state for ending. + */ +static void nau8825_xtalk_measure(struct nau8825 *nau8825) +{ + u32 sidetone; + + switch (nau8825->xtalk_state) { + case NAU8825_XTALK_PREPARE: + /* In prepare state, set up clock, intrruption, DAC path, ADC + * path and cross talk detection parameters for preparation. + */ + nau8825_xtalk_prepare(nau8825); + msleep(280); + /* Trigger right headphone impedance detection */ + nau8825->xtalk_state = NAU8825_XTALK_HPR_R2L; + nau8825_xtalk_imm_start(nau8825, 0x00d2); + break; + case NAU8825_XTALK_HPR_R2L: + /* In right headphone IMM state, read out right headphone + * impedance measure result, and then start up left side. + */ + regmap_read(nau8825->regmap, NAU8825_REG_IMM_RMS_L, + &nau8825->imp_rms[NAU8825_XTALK_HPR_R2L]); + dev_dbg(nau8825->dev, "HPR_R2L imm: %x\n", + nau8825->imp_rms[NAU8825_XTALK_HPR_R2L]); + /* Disable then re-enable IMM mode to update */ + nau8825_xtalk_imm_stop(nau8825); + /* Trigger left headphone impedance detection */ + nau8825->xtalk_state = NAU8825_XTALK_HPL_R2L; + nau8825_xtalk_imm_start(nau8825, 0x00ff); + break; + case NAU8825_XTALK_HPL_R2L: + /* In left headphone IMM state, read out left headphone + * impedance measure result, and delay some time to wait + * detection sine wave output finish. Then, we can calculate + * the cross talk suppresstion side tone according to the L/R + * headphone imedance. + */ + regmap_read(nau8825->regmap, NAU8825_REG_IMM_RMS_L, + &nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]); + dev_dbg(nau8825->dev, "HPL_R2L imm: %x\n", + nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]); + nau8825_xtalk_imm_stop(nau8825); + msleep(150); + nau8825->xtalk_state = NAU8825_XTALK_IMM; + break; + case NAU8825_XTALK_IMM: + /* In impedance measure state, the orignal and cross talk + * signal level vlues are ready. The side tone gain is deter- + * mined with these signal level. After all, restore codec + * configuration. + */ + sidetone = nau8825_xtalk_sidetone( + nau8825->imp_rms[NAU8825_XTALK_HPR_R2L], + nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]); + dev_dbg(nau8825->dev, "cross talk sidetone: %x\n", sidetone); + regmap_write(nau8825->regmap, NAU8825_REG_DAC_DGAIN_CTRL, + (sidetone << 8) | sidetone); + nau8825_xtalk_clean(nau8825); + nau8825->xtalk_state = NAU8825_XTALK_DONE; + break; + default: + break; + } +} + +static void nau8825_xtalk_work(struct work_struct *work) +{ + struct nau8825 *nau8825 = container_of( + work, struct nau8825, xtalk_work); + + nau8825_xtalk_measure(nau8825); + /* To determine the cross talk side tone gain when reach + * the impedance measure state. + */ + if (nau8825->xtalk_state == NAU8825_XTALK_IMM) + nau8825_xtalk_measure(nau8825); + + /* Delay jack report until cross talk detection process + * completed. It can avoid application to do playback + * preparation before cross talk detection is still working. + * Meanwhile, the protection of the cross talk detection + * is released. + */ + if (nau8825->xtalk_state == NAU8825_XTALK_DONE) { + snd_soc_jack_report(nau8825->jack, nau8825->xtalk_event, + nau8825->xtalk_event_mask); + nau8825_sema_release(nau8825); + nau8825->xtalk_protect = false; + } +} + +static void nau8825_xtalk_cancel(struct nau8825 *nau8825) +{ + /* If the xtalk_protect is true, that means the process is still + * on going. The driver forces to cancel the cross talk task and + * restores the configuration to original status. + */ + if (nau8825->xtalk_protect) { + cancel_work_sync(&nau8825->xtalk_work); + nau8825_xtalk_clean(nau8825); + } + /* Reset parameters for cross talk suppression function */ + nau8825_sema_reset(nau8825); + nau8825->xtalk_state = NAU8825_XTALK_DONE; + nau8825->xtalk_protect = false; +} + static bool nau8825_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -217,12 +885,36 @@ static bool nau8825_volatile_reg(struct device *dev, unsigned int reg) case NAU8825_REG_SARDOUT_RAM_STATUS: case NAU8825_REG_CHARGE_PUMP_INPUT_READ: case NAU8825_REG_GENERAL_STATUS: + case NAU8825_REG_BIQ_CTRL ... NAU8825_REG_BIQ_COF10: return true; default: return false; } } +static int nau8825_adc_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_ADC, NAU8825_ENABLE_ADC); + break; + case SND_SOC_DAPM_POST_PMD: + if (!nau8825->irq) + regmap_update_bits(nau8825->regmap, + NAU8825_REG_ENA_CTRL, NAU8825_ENABLE_ADC, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + static int nau8825_pump_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -270,6 +962,54 @@ static int nau8825_output_dac_event(struct snd_soc_dapm_widget *w, return 0; } +static int nau8825_biq_coeff_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_bytes_ext *params = (void *)kcontrol->private_value; + + if (!component->regmap) + return -EINVAL; + + regmap_raw_read(component->regmap, NAU8825_REG_BIQ_COF1, + ucontrol->value.bytes.data, params->max); + return 0; +} + +static int nau8825_biq_coeff_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_bytes_ext *params = (void *)kcontrol->private_value; + void *data; + + if (!component->regmap) + return -EINVAL; + + data = kmemdup(ucontrol->value.bytes.data, + params->max, GFP_KERNEL | GFP_DMA); + if (!data) + return -ENOMEM; + + regmap_update_bits(component->regmap, NAU8825_REG_BIQ_CTRL, + NAU8825_BIQ_WRT_EN, 0); + regmap_raw_write(component->regmap, NAU8825_REG_BIQ_COF1, + data, params->max); + regmap_update_bits(component->regmap, NAU8825_REG_BIQ_CTRL, + NAU8825_BIQ_WRT_EN, NAU8825_BIQ_WRT_EN); + + kfree(data); + return 0; +} + +static const char * const nau8825_biq_path[] = { + "ADC", "DAC" +}; + +static const struct soc_enum nau8825_biq_path_enum = + SOC_ENUM_SINGLE(NAU8825_REG_BIQ_CTRL, NAU8825_BIQ_PATH_SFT, + ARRAY_SIZE(nau8825_biq_path), nau8825_biq_path); + static const char * const nau8825_adc_decimation[] = { "32", "64", "128", "256" }; @@ -306,6 +1046,10 @@ static const struct snd_kcontrol_new nau8825_controls[] = { SOC_ENUM("ADC Decimation Rate", nau8825_adc_decimation_enum), SOC_ENUM("DAC Oversampling Rate", nau8825_dac_oversampl_enum), + /* programmable biquad filter */ + SOC_ENUM("BIQ Path Select", nau8825_biq_path_enum), + SND_SOC_BYTES_EXT("BIQ Coefficients", 20, + nau8825_biq_coeff_get, nau8825_biq_coeff_put), }; /* DAC Mux 0x33[9] and 0x34[9] */ @@ -338,7 +1082,9 @@ static const struct snd_soc_dapm_widget nau8825_dapm_widgets[] = { SND_SOC_DAPM_PGA("Frontend PGA", NAU8825_REG_POWER_UP_CONTROL, 14, 0, NULL, 0), - SND_SOC_DAPM_ADC("ADC", NULL, NAU8825_REG_ENA_CTRL, 8, 0), + SND_SOC_DAPM_ADC_E("ADC", NULL, SND_SOC_NOPM, 0, 0, + nau8825_adc_event, SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ADC Clock", NAU8825_REG_ENA_CTRL, 7, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADC Power", NAU8825_REG_ANALOG_ADC_2, 6, 0, NULL, 0), @@ -592,9 +1338,6 @@ int nau8825_enable_jack_detect(struct snd_soc_codec *codec, NAU8825_HSD_AUTO_MODE | NAU8825_SPKR_DWN1R | NAU8825_SPKR_DWN1L, NAU8825_HSD_AUTO_MODE | NAU8825_SPKR_DWN1R | NAU8825_SPKR_DWN1L); - regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, - NAU8825_IRQ_HEADSET_COMPLETE_EN | NAU8825_IRQ_EJECT_EN, 0); - return 0; } EXPORT_SYMBOL_GPL(nau8825_enable_jack_detect); @@ -602,24 +1345,21 @@ EXPORT_SYMBOL_GPL(nau8825_enable_jack_detect); static bool nau8825_is_jack_inserted(struct regmap *regmap) { - int status; + bool active_high, is_high; + int status, jkdet; + regmap_read(regmap, NAU8825_REG_JACK_DET_CTRL, &jkdet); + active_high = jkdet & NAU8825_JACK_POLARITY; regmap_read(regmap, NAU8825_REG_I2C_DEVICE_ID, &status); - return !(status & NAU8825_GPIO2JD1); + is_high = status & NAU8825_GPIO2JD1; + /* return jack connection status according to jack insertion logic + * active high or active low. + */ + return active_high == is_high; } static void nau8825_restart_jack_detection(struct regmap *regmap) { - /* Chip needs one FSCLK cycle in order to generate interrupts, - * as we cannot guarantee one will be provided by the system. Turning - * master mode on then off enables us to generate that FSCLK cycle - * with a minimum of contention on the clock bus. - */ - regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, - NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER); - regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, - NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE); - /* this will restart the entire jack detection process including MIC/GND * switching and create interrupts. We have to go from 0 to 1 and back * to 0 to restart. @@ -630,11 +1370,30 @@ static void nau8825_restart_jack_detection(struct regmap *regmap) NAU8825_JACK_DET_RESTART, 0); } +static void nau8825_int_status_clear_all(struct regmap *regmap) +{ + int active_irq, clear_irq, i; + + /* Reset the intrruption status from rightmost bit if the corres- + * ponding irq event occurs. + */ + regmap_read(regmap, NAU8825_REG_IRQ_STATUS, &active_irq); + for (i = 0; i < NAU8825_REG_DATA_LEN; i++) { + clear_irq = (0x1 << i); + if (active_irq & clear_irq) + regmap_write(regmap, + NAU8825_REG_INT_CLR_KEY_STATUS, clear_irq); + } +} + static void nau8825_eject_jack(struct nau8825 *nau8825) { struct snd_soc_dapm_context *dapm = nau8825->dapm; struct regmap *regmap = nau8825->regmap; + /* Force to cancel the cross talk detection process */ + nau8825_xtalk_cancel(nau8825); + snd_soc_dapm_disable_pin(dapm, "SAR"); snd_soc_dapm_disable_pin(dapm, "MICBIAS"); /* Detach 2kOhm Resistors from MICBIAS to MICGND1/2 */ @@ -644,6 +1403,69 @@ static void nau8825_eject_jack(struct nau8825 *nau8825) regmap_update_bits(regmap, NAU8825_REG_HSD_CTRL, 0xf, 0xf); snd_soc_dapm_sync(dapm); + + /* Clear all interruption status */ + nau8825_int_status_clear_all(regmap); + + /* Enable the insertion interruption, disable the ejection inter- + * ruption, and then bypass de-bounce circuit. + */ + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_DIS_CTRL, + NAU8825_IRQ_EJECT_DIS | NAU8825_IRQ_INSERT_DIS, + NAU8825_IRQ_EJECT_DIS); + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, + NAU8825_IRQ_OUTPUT_EN | NAU8825_IRQ_EJECT_EN | + NAU8825_IRQ_HEADSET_COMPLETE_EN | NAU8825_IRQ_INSERT_EN, + NAU8825_IRQ_OUTPUT_EN | NAU8825_IRQ_EJECT_EN | + NAU8825_IRQ_HEADSET_COMPLETE_EN); + regmap_update_bits(regmap, NAU8825_REG_JACK_DET_CTRL, + NAU8825_JACK_DET_DB_BYPASS, NAU8825_JACK_DET_DB_BYPASS); + + /* Disable ADC needed for interruptions at audo mode */ + regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_ADC, 0); + + /* Close clock for jack type detection at manual mode */ + nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0); +} + +/* Enable audo mode interruptions with internal clock. */ +static void nau8825_setup_auto_irq(struct nau8825 *nau8825) +{ + struct regmap *regmap = nau8825->regmap; + + /* Enable headset jack type detection complete interruption and + * jack ejection interruption. + */ + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, + NAU8825_IRQ_HEADSET_COMPLETE_EN | NAU8825_IRQ_EJECT_EN, 0); + + /* Enable internal VCO needed for interruptions */ + nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0); + + /* Enable ADC needed for interruptions */ + regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_ADC, NAU8825_ENABLE_ADC); + + /* Chip needs one FSCLK cycle in order to generate interruptions, + * as we cannot guarantee one will be provided by the system. Turning + * master mode on then off enables us to generate that FSCLK cycle + * with a minimum of contention on the clock bus. + */ + regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER); + regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE); + + /* Not bypass de-bounce circuit */ + regmap_update_bits(regmap, NAU8825_REG_JACK_DET_CTRL, + NAU8825_JACK_DET_DB_BYPASS, 0); + + /* Unmask all interruptions */ + regmap_write(regmap, NAU8825_REG_INTERRUPT_DIS_CTRL, 0); + + /* Restart the jack detection process at auto mode */ + nau8825_restart_jack_detection(regmap); } static int nau8825_button_decode(int value) @@ -676,6 +1498,11 @@ static int nau8825_jack_insert(struct nau8825 *nau8825) regmap_read(regmap, NAU8825_REG_GENERAL_STATUS, &jack_status_reg); mic_detected = (jack_status_reg >> 10) & 3; + /* The JKSLV and JKR2 all detected in high impedance headset */ + if (mic_detected == 0x3) + nau8825->high_imped = true; + else + nau8825->high_imped = false; switch (mic_detected) { case 0: @@ -773,6 +1600,33 @@ static irqreturn_t nau8825_interrupt(int irq, void *data) } else if (active_irq & NAU8825_HEADSET_COMPLETION_IRQ) { if (nau8825_is_jack_inserted(regmap)) { event |= nau8825_jack_insert(nau8825); + if (!nau8825->high_imped) { + /* Apply the cross talk suppression in the + * headset without high impedance. + */ + if (!nau8825->xtalk_protect) { + /* Raise protection for cross talk de- + * tection if no protection before. + * The driver has to cancel the pro- + * cess and restore changes if process + * is ongoing when ejection. + */ + nau8825->xtalk_protect = true; + nau8825_sema_acquire(nau8825, 0); + } + /* Startup cross talk detection process */ + nau8825->xtalk_state = NAU8825_XTALK_PREPARE; + schedule_work(&nau8825->xtalk_work); + } else { + /* The cross talk suppression shouldn't apply + * in the headset with high impedance. Thus, + * relieve the protection raised before. + */ + if (nau8825->xtalk_protect) { + nau8825_sema_release(nau8825); + nau8825->xtalk_protect = false; + } + } } else { dev_warn(nau8825->dev, "Headset completion IRQ fired but no headset connected\n"); nau8825_eject_jack(nau8825); @@ -780,6 +1634,37 @@ static irqreturn_t nau8825_interrupt(int irq, void *data) event_mask |= SND_JACK_HEADSET; clear_irq = NAU8825_HEADSET_COMPLETION_IRQ; + /* Record the interruption report event for driver to report + * the event later. The jack report will delay until cross + * talk detection process is done. + */ + if (nau8825->xtalk_state == NAU8825_XTALK_PREPARE) { + nau8825->xtalk_event = event; + nau8825->xtalk_event_mask = event_mask; + } + } else if (active_irq & NAU8825_IMPEDANCE_MEAS_IRQ) { + schedule_work(&nau8825->xtalk_work); + clear_irq = NAU8825_IMPEDANCE_MEAS_IRQ; + } else if ((active_irq & NAU8825_JACK_INSERTION_IRQ_MASK) == + NAU8825_JACK_INSERTION_DETECTED) { + /* One more step to check GPIO status directly. Thus, the + * driver can confirm the real insertion interruption because + * the intrruption at manual mode has bypassed debounce + * circuit which can get rid of unstable status. + */ + if (nau8825_is_jack_inserted(regmap)) { + /* Turn off insertion interruption at manual mode */ + regmap_update_bits(regmap, + NAU8825_REG_INTERRUPT_DIS_CTRL, + NAU8825_IRQ_INSERT_DIS, + NAU8825_IRQ_INSERT_DIS); + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, + NAU8825_IRQ_INSERT_EN, NAU8825_IRQ_INSERT_EN); + /* Enable interruption for jack type detection at audo + * mode which can detect microphone and jack type. + */ + nau8825_setup_auto_irq(nau8825); + } } if (!clear_irq) @@ -787,7 +1672,12 @@ static irqreturn_t nau8825_interrupt(int irq, void *data) /* clears the rightmost interruption */ regmap_write(regmap, NAU8825_REG_INT_CLR_KEY_STATUS, clear_irq); - if (event_mask) + /* Delay jack report until cross talk detection is done. It can avoid + * application to do playback preparation when cross talk detection + * process is still working. Otherwise, the resource like clock and + * power will be issued by them at the same time and conflict happens. + */ + if (event_mask && nau8825->xtalk_state == NAU8825_XTALK_DONE) snd_soc_jack_report(nau8825->jack, event, event_mask); return IRQ_HANDLED; @@ -921,11 +1811,16 @@ static void nau8825_init_regs(struct nau8825 *nau8825) NAU8825_RDAC_CLK_DELAY_MASK | NAU8825_RDAC_VREF_MASK, (0x2 << NAU8825_RDAC_CLK_DELAY_SFT) | (0x3 << NAU8825_RDAC_VREF_SFT)); + /* Config L/R channel */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_DACL_CTRL, + NAU8825_DACL_CH_SEL_MASK, NAU8825_DACL_CH_SEL_L); + regmap_update_bits(nau8825->regmap, NAU8825_REG_DACR_CTRL, + NAU8825_DACL_CH_SEL_MASK, NAU8825_DACL_CH_SEL_R); } static const struct regmap_config nau8825_regmap_config = { - .val_bits = 16, - .reg_bits = 16, + .val_bits = NAU8825_REG_DATA_LEN, + .reg_bits = NAU8825_REG_ADDR_LEN, .max_register = NAU8825_REG_MAX, .readable_reg = nau8825_readable_reg, @@ -944,18 +1839,15 @@ static int nau8825_codec_probe(struct snd_soc_codec *codec) nau8825->dapm = dapm; - /* The interrupt clock is gated by x1[10:8], - * one of them needs to be enabled all the time for - * interrupts to happen. - */ - snd_soc_dapm_force_enable_pin(dapm, "DDACR"); - snd_soc_dapm_sync(dapm); + return 0; +} - /* Unmask interruptions. Handler uses dapm object so we can enable - * interruptions only after dapm is fully initialized. - */ - regmap_write(nau8825->regmap, NAU8825_REG_INTERRUPT_DIS_CTRL, 0); - nau8825_restart_jack_detection(nau8825->regmap); +static int nau8825_codec_remove(struct snd_soc_codec *codec) +{ + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + /* Cancel and reset cross tak suppresstion detection funciton */ + nau8825_xtalk_cancel(nau8825); return 0; } @@ -973,8 +1865,8 @@ static int nau8825_codec_probe(struct snd_soc_codec *codec) static int nau8825_calc_fll_param(unsigned int fll_in, unsigned int fs, struct nau8825_fll *fll_param) { - u64 fvco; - unsigned int fref, i; + u64 fvco, fvco_max; + unsigned int fref, i, fvco_sel; /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing * freq_in by 1, 2, 4, or 8 using FLL pre-scalar. @@ -999,18 +1891,23 @@ static int nau8825_calc_fll_param(unsigned int fll_in, unsigned int fs, fll_param->ratio = fll_ratio[i].val; /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs. - * FDCO must be within the 90MHz - 100MHz or the FFL cannot be + * FDCO must be within the 90MHz - 124MHz or the FFL cannot be * guaranteed across the full range of operation. * FDCO = freq_out * 2 * mclk_src_scaling */ + fvco_max = 0; + fvco_sel = ARRAY_SIZE(mclk_src_scaling); for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) { fvco = 256 * fs * 2 * mclk_src_scaling[i].param; - if (NAU_FVCO_MIN < fvco && fvco < NAU_FVCO_MAX) - break; + if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX && + fvco_max < fvco) { + fvco_max = fvco; + fvco_sel = i; + } } - if (i == ARRAY_SIZE(mclk_src_scaling)) + if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel) return -EINVAL; - fll_param->mclk_src = mclk_src_scaling[i].val; + fll_param->mclk_src = mclk_src_scaling[fvco_sel].val; /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional * input based on FDCO, FREF and FLL ratio. @@ -1025,7 +1922,8 @@ static void nau8825_fll_apply(struct nau8825 *nau8825, struct nau8825_fll *fll_param) { regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER, - NAU8825_CLK_MCLK_SRC_MASK, fll_param->mclk_src); + NAU8825_CLK_SRC_MASK | NAU8825_CLK_MCLK_SRC_MASK, + NAU8825_CLK_SRC_MCLK | fll_param->mclk_src); regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL1, NAU8825_FLL_RATIO_MASK, fll_param->ratio); /* FLL 16-bit fractional input */ @@ -1038,10 +1936,25 @@ static void nau8825_fll_apply(struct nau8825 *nau8825, NAU8825_FLL_REF_DIV_MASK, fll_param->clk_ref_div); /* select divided VCO input */ regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5, - NAU8825_FLL_FILTER_SW_MASK, 0x0000); - /* FLL sigma delta modulator enable */ - regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6, - NAU8825_SDM_EN_MASK, NAU8825_SDM_EN); + NAU8825_FLL_CLK_SW_MASK, NAU8825_FLL_CLK_SW_REF); + /* Disable free-running mode */ + regmap_update_bits(nau8825->regmap, + NAU8825_REG_FLL6, NAU8825_DCO_EN, 0); + if (fll_param->fll_frac) { + regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5, + NAU8825_FLL_PDB_DAC_EN | NAU8825_FLL_LOOP_FTR_EN | + NAU8825_FLL_FTR_SW_MASK, + NAU8825_FLL_PDB_DAC_EN | NAU8825_FLL_LOOP_FTR_EN | + NAU8825_FLL_FTR_SW_FILTER); + regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6, + NAU8825_SDM_EN, NAU8825_SDM_EN); + } else { + regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5, + NAU8825_FLL_PDB_DAC_EN | NAU8825_FLL_LOOP_FTR_EN | + NAU8825_FLL_FTR_SW_MASK, NAU8825_FLL_FTR_SW_ACCU); + regmap_update_bits(nau8825->regmap, + NAU8825_REG_FLL6, NAU8825_SDM_EN, 0); + } } /* freq_out must be 256*Fs in order to achieve the best performance */ @@ -1069,6 +1982,45 @@ static int nau8825_set_pll(struct snd_soc_codec *codec, int pll_id, int source, return 0; } +static int nau8825_mclk_prepare(struct nau8825 *nau8825, unsigned int freq) +{ + int ret = 0; + + nau8825->mclk = devm_clk_get(nau8825->dev, "mclk"); + if (IS_ERR(nau8825->mclk)) { + dev_info(nau8825->dev, "No 'mclk' clock found, assume MCLK is managed externally"); + return 0; + } + + if (!nau8825->mclk_freq) { + ret = clk_prepare_enable(nau8825->mclk); + if (ret) { + dev_err(nau8825->dev, "Unable to prepare codec mclk\n"); + return ret; + } + } + + if (nau8825->mclk_freq != freq) { + freq = clk_round_rate(nau8825->mclk, freq); + ret = clk_set_rate(nau8825->mclk, freq); + if (ret) { + dev_err(nau8825->dev, "Unable to set mclk rate\n"); + return ret; + } + nau8825->mclk_freq = freq; + } + + return 0; +} + +static void nau8825_configure_mclk_as_sysclk(struct regmap *regmap) +{ + regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_SRC_MASK, NAU8825_CLK_SRC_MCLK); + regmap_update_bits(regmap, NAU8825_REG_FLL6, + NAU8825_DCO_EN, 0); +} + static int nau8825_configure_sysclk(struct nau8825 *nau8825, int clk_id, unsigned int freq) { @@ -1076,40 +2028,106 @@ static int nau8825_configure_sysclk(struct nau8825 *nau8825, int clk_id, int ret; switch (clk_id) { + case NAU8825_CLK_DIS: + /* Clock provided externally and disable internal VCO clock */ + nau8825_configure_mclk_as_sysclk(regmap); + if (nau8825->mclk_freq) { + clk_disable_unprepare(nau8825->mclk); + nau8825->mclk_freq = 0; + } + + break; case NAU8825_CLK_MCLK: + /* Acquire the semaphone to synchronize the playback and + * interrupt handler. In order to avoid the playback inter- + * fered by cross talk process, the driver make the playback + * preparation halted until cross talk process finish. + */ + nau8825_sema_acquire(nau8825, 2 * HZ); + nau8825_configure_mclk_as_sysclk(regmap); + /* MCLK not changed by clock tree */ regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, - NAU8825_CLK_SRC_MASK, NAU8825_CLK_SRC_MCLK); - regmap_update_bits(regmap, NAU8825_REG_FLL6, NAU8825_DCO_EN, 0); + NAU8825_CLK_MCLK_SRC_MASK, 0); + /* Release the semaphone. */ + nau8825_sema_release(nau8825); - /* We selected MCLK source but the clock itself managed externally */ - if (!nau8825->mclk) - break; + ret = nau8825_mclk_prepare(nau8825, freq); + if (ret) + return ret; - if (!nau8825->mclk_freq) { - ret = clk_prepare_enable(nau8825->mclk); - if (ret) { - dev_err(nau8825->dev, "Unable to prepare codec mclk\n"); - return ret; - } + break; + case NAU8825_CLK_INTERNAL: + if (nau8825_is_jack_inserted(nau8825->regmap)) { + regmap_update_bits(regmap, NAU8825_REG_FLL6, + NAU8825_DCO_EN, NAU8825_DCO_EN); + regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_SRC_MASK, NAU8825_CLK_SRC_VCO); + /* Decrease the VCO frequency for power saving */ + regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_MCLK_SRC_MASK, 0xf); + regmap_update_bits(regmap, NAU8825_REG_FLL1, + NAU8825_FLL_RATIO_MASK, 0x10); + regmap_update_bits(regmap, NAU8825_REG_FLL6, + NAU8825_SDM_EN, NAU8825_SDM_EN); + } else { + /* The clock turns off intentionally for power saving + * when no headset connected. + */ + nau8825_configure_mclk_as_sysclk(regmap); + dev_warn(nau8825->dev, "Disable clock for power saving when no headset connected\n"); + } + if (nau8825->mclk_freq) { + clk_disable_unprepare(nau8825->mclk); + nau8825->mclk_freq = 0; } - if (nau8825->mclk_freq != freq) { - nau8825->mclk_freq = freq; + break; + case NAU8825_CLK_FLL_MCLK: + /* Acquire the semaphone to synchronize the playback and + * interrupt handler. In order to avoid the playback inter- + * fered by cross talk process, the driver make the playback + * preparation halted until cross talk process finish. + */ + nau8825_sema_acquire(nau8825, 2 * HZ); + regmap_update_bits(regmap, NAU8825_REG_FLL3, + NAU8825_FLL_CLK_SRC_MASK, NAU8825_FLL_CLK_SRC_MCLK); + /* Release the semaphone. */ + nau8825_sema_release(nau8825); - freq = clk_round_rate(nau8825->mclk, freq); - ret = clk_set_rate(nau8825->mclk, freq); - if (ret) { - dev_err(nau8825->dev, "Unable to set mclk rate\n"); - return ret; - } + ret = nau8825_mclk_prepare(nau8825, freq); + if (ret) + return ret; + + break; + case NAU8825_CLK_FLL_BLK: + /* Acquire the semaphone to synchronize the playback and + * interrupt handler. In order to avoid the playback inter- + * fered by cross talk process, the driver make the playback + * preparation halted until cross talk process finish. + */ + nau8825_sema_acquire(nau8825, 2 * HZ); + regmap_update_bits(regmap, NAU8825_REG_FLL3, + NAU8825_FLL_CLK_SRC_MASK, NAU8825_FLL_CLK_SRC_BLK); + /* Release the semaphone. */ + nau8825_sema_release(nau8825); + + if (nau8825->mclk_freq) { + clk_disable_unprepare(nau8825->mclk); + nau8825->mclk_freq = 0; } break; - case NAU8825_CLK_INTERNAL: - regmap_update_bits(regmap, NAU8825_REG_FLL6, NAU8825_DCO_EN, - NAU8825_DCO_EN); - regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, - NAU8825_CLK_SRC_MASK, NAU8825_CLK_SRC_VCO); + case NAU8825_CLK_FLL_FS: + /* Acquire the semaphone to synchronize the playback and + * interrupt handler. In order to avoid the playback inter- + * fered by cross talk process, the driver make the playback + * preparation halted until cross talk process finish. + */ + nau8825_sema_acquire(nau8825, 2 * HZ); + regmap_update_bits(regmap, NAU8825_REG_FLL3, + NAU8825_FLL_CLK_SRC_MASK, NAU8825_FLL_CLK_SRC_FS); + /* Release the semaphone. */ + nau8825_sema_release(nau8825); if (nau8825->mclk_freq) { clk_disable_unprepare(nau8825->mclk); @@ -1135,6 +2153,31 @@ static int nau8825_set_sysclk(struct snd_soc_codec *codec, int clk_id, return nau8825_configure_sysclk(nau8825, clk_id, freq); } +static int nau8825_resume_setup(struct nau8825 *nau8825) +{ + struct regmap *regmap = nau8825->regmap; + + /* Close clock when jack type detection at manual mode */ + nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0); + + /* Clear all interruption status */ + nau8825_int_status_clear_all(regmap); + + /* Enable both insertion and ejection interruptions, and then + * bypass de-bounce circuit. + */ + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, + NAU8825_IRQ_OUTPUT_EN | NAU8825_IRQ_HEADSET_COMPLETE_EN | + NAU8825_IRQ_EJECT_EN | NAU8825_IRQ_INSERT_EN, + NAU8825_IRQ_OUTPUT_EN | NAU8825_IRQ_HEADSET_COMPLETE_EN); + regmap_update_bits(regmap, NAU8825_REG_JACK_DET_CTRL, + NAU8825_JACK_DET_DB_BYPASS, NAU8825_JACK_DET_DB_BYPASS); + regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_DIS_CTRL, + NAU8825_IRQ_INSERT_DIS | NAU8825_IRQ_EJECT_DIS, 0); + + return 0; +} + static int nau8825_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { @@ -1157,10 +2200,22 @@ static int nau8825_set_bias_level(struct snd_soc_codec *codec, return ret; } } + /* Setup codec configuration after resume */ + nau8825_resume_setup(nau8825); } break; case SND_SOC_BIAS_OFF: + /* Cancel and reset cross talk detection funciton */ + nau8825_xtalk_cancel(nau8825); + /* Turn off all interruptions before system shutdown. Keep the + * interruption quiet before resume setup completes. + */ + regmap_write(nau8825->regmap, + NAU8825_REG_INTERRUPT_DIS_CTRL, 0xffff); + /* Disable ADC needed for interruptions at audo mode */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL, + NAU8825_ENABLE_ADC, 0); if (nau8825->mclk_freq) clk_disable_unprepare(nau8825->mclk); break; @@ -1168,57 +2223,46 @@ static int nau8825_set_bias_level(struct snd_soc_codec *codec, return 0; } -#ifdef CONFIG_PM -static int nau8825_suspend(struct snd_soc_codec *codec) +static int __maybe_unused nau8825_suspend(struct snd_soc_codec *codec) { struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); disable_irq(nau8825->irq); + snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF); regcache_cache_only(nau8825->regmap, true); regcache_mark_dirty(nau8825->regmap); return 0; } -static int nau8825_resume(struct snd_soc_codec *codec) +static int __maybe_unused nau8825_resume(struct snd_soc_codec *codec) { struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); - /* The chip may lose power and reset in S3. regcache_sync restores - * register values including configurations for sysclk, irq, and - * jack/button detection. - */ regcache_cache_only(nau8825->regmap, false); regcache_sync(nau8825->regmap); - - /* Check the jack plug status directly. If the headset is unplugged - * during S3 when the chip has no power, there will be no jack - * detection irq even after the nau8825_restart_jack_detection below, - * because the chip just thinks no headset has ever been plugged in. - */ - if (!nau8825_is_jack_inserted(nau8825->regmap)) { - nau8825_eject_jack(nau8825); - snd_soc_jack_report(nau8825->jack, 0, SND_JACK_HEADSET); + if (nau8825_is_jack_inserted(nau8825->regmap)) { + /* If the jack is inserted, we need to check whether the play- + * back is active before suspend. If active, the driver has to + * raise the protection for cross talk function to avoid the + * playback recovers before cross talk process finish. Other- + * wise, the playback will be interfered by cross talk func- + * tion. It is better to apply hardware related parameters + * before starting playback or record. + */ + if (nau8825_dai_is_active(nau8825)) { + nau8825->xtalk_protect = true; + nau8825_sema_acquire(nau8825, 0); + } } - enable_irq(nau8825->irq); - /* Run jack detection to check the type (OMTP or CTIA) of the headset - * if there is one. This handles the case where a different type of - * headset is plugged in during S3. This triggers an IRQ iff a headset - * is already plugged in. - */ - nau8825_restart_jack_detection(nau8825->regmap); - return 0; } -#else -#define nau8825_suspend NULL -#define nau8825_resume NULL -#endif static struct snd_soc_codec_driver nau8825_codec_driver = { .probe = nau8825_codec_probe, + .remove = nau8825_codec_remove, .set_sysclk = nau8825_set_sysclk, .set_pll = nau8825_set_pll, .set_bias_level = nau8825_set_bias_level, @@ -1318,22 +2362,8 @@ static int nau8825_read_device_properties(struct device *dev, static int nau8825_setup_irq(struct nau8825 *nau8825) { - struct regmap *regmap = nau8825->regmap; int ret; - /* IRQ Output Enable */ - regmap_update_bits(regmap, NAU8825_REG_INTERRUPT_MASK, - NAU8825_IRQ_OUTPUT_EN, NAU8825_IRQ_OUTPUT_EN); - - /* Enable internal VCO needed for interruptions */ - nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0); - - /* Enable DDACR needed for interrupts - * It is the same as force_enable_pin("DDACR") we do later - */ - regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL, - NAU8825_ENABLE_DACR, NAU8825_ENABLE_DACR); - ret = devm_request_threaded_irq(nau8825->dev, nau8825->irq, NULL, nau8825_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT, "nau8825", nau8825); @@ -1370,6 +2400,13 @@ static int nau8825_i2c_probe(struct i2c_client *i2c, return PTR_ERR(nau8825->regmap); nau8825->dev = dev; nau8825->irq = i2c->irq; + /* Initiate parameters, semaphone and work queue which are needed in + * cross talk suppression measurment function. + */ + nau8825->xtalk_state = NAU8825_XTALK_DONE; + nau8825->xtalk_protect = false; + sema_init(&nau8825->xtalk_sem, 1); + INIT_WORK(&nau8825->xtalk_work, nau8825_xtalk_work); nau8825_print_device_properties(nau8825); @@ -1405,6 +2442,7 @@ static const struct i2c_device_id nau8825_i2c_ids[] = { { "nau8825", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, nau8825_i2c_ids); #ifdef CONFIG_OF static const struct of_device_id nau8825_of_ids[] = { diff --git a/sound/soc/codecs/nau8825.h b/sound/soc/codecs/nau8825.h index 8ceb5f385478..1c63e2abafa9 100644 --- a/sound/soc/codecs/nau8825.h +++ b/sound/soc/codecs/nau8825.h @@ -93,12 +93,21 @@ #define NAU8825_REG_CHARGE_PUMP_INPUT_READ 0x81 #define NAU8825_REG_GENERAL_STATUS 0x82 #define NAU8825_REG_MAX NAU8825_REG_GENERAL_STATUS +/* 16-bit control register address, and 16-bits control register data */ +#define NAU8825_REG_ADDR_LEN 16 +#define NAU8825_REG_DATA_LEN 16 /* ENA_CTRL (0x1) */ #define NAU8825_ENABLE_DACR_SFT 10 #define NAU8825_ENABLE_DACR (1 << NAU8825_ENABLE_DACR_SFT) #define NAU8825_ENABLE_DACL_SFT 9 +#define NAU8825_ENABLE_DACL (1 << NAU8825_ENABLE_DACL_SFT) #define NAU8825_ENABLE_ADC_SFT 8 +#define NAU8825_ENABLE_ADC (1 << NAU8825_ENABLE_ADC_SFT) +#define NAU8825_ENABLE_ADC_CLK_SFT 7 +#define NAU8825_ENABLE_ADC_CLK (1 << NAU8825_ENABLE_ADC_CLK_SFT) +#define NAU8825_ENABLE_DAC_CLK_SFT 6 +#define NAU8825_ENABLE_DAC_CLK (1 << NAU8825_ENABLE_DAC_CLK_SFT) #define NAU8825_ENABLE_SAR_SFT 1 /* CLK_DIVIDER (0x3) */ @@ -113,20 +122,28 @@ /* FLL3 (0x06) */ #define NAU8825_FLL_INTEGER_MASK (0x3ff << 0) +#define NAU8825_FLL_CLK_SRC_SFT 10 +#define NAU8825_FLL_CLK_SRC_MASK (0x3 << NAU8825_FLL_CLK_SRC_SFT) +#define NAU8825_FLL_CLK_SRC_MCLK (0 << NAU8825_FLL_CLK_SRC_SFT) +#define NAU8825_FLL_CLK_SRC_BLK (0x2 << NAU8825_FLL_CLK_SRC_SFT) +#define NAU8825_FLL_CLK_SRC_FS (0x3 << NAU8825_FLL_CLK_SRC_SFT) /* FLL4 (0x07) */ #define NAU8825_FLL_REF_DIV_MASK (0x3 << 10) /* FLL5 (0x08) */ -#define NAU8825_FLL_FILTER_SW_MASK (0x1 << 14) +#define NAU8825_FLL_PDB_DAC_EN (0x1 << 15) +#define NAU8825_FLL_LOOP_FTR_EN (0x1 << 14) +#define NAU8825_FLL_CLK_SW_MASK (0x1 << 13) +#define NAU8825_FLL_CLK_SW_N2 (0x1 << 13) +#define NAU8825_FLL_CLK_SW_REF (0x0 << 13) +#define NAU8825_FLL_FTR_SW_MASK (0x1 << 12) +#define NAU8825_FLL_FTR_SW_ACCU (0x1 << 12) +#define NAU8825_FLL_FTR_SW_FILTER (0x0 << 12) /* FLL6 (0x9) */ -#define NAU8825_DCO_EN_MASK (0x1 << 15) #define NAU8825_DCO_EN (0x1 << 15) -#define NAU8825_DCO_DIS (0x0 << 15) -#define NAU8825_SDM_EN_MASK (0x1 << 14) #define NAU8825_SDM_EN (0x1 << 14) -#define NAU8825_SDM_DIS (0x0 << 14) /* HSD_CTRL (0xc) */ #define NAU8825_HSD_AUTO_MODE (1 << 6) @@ -136,6 +153,7 @@ /* JACK_DET_CTRL (0xd) */ #define NAU8825_JACK_DET_RESTART (1 << 9) +#define NAU8825_JACK_DET_DB_BYPASS (1 << 8) #define NAU8825_JACK_INSERT_DEBOUNCE_SFT 5 #define NAU8825_JACK_INSERT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT) #define NAU8825_JACK_EJECT_DEBOUNCE_SFT 2 @@ -145,9 +163,11 @@ /* INTERRUPT_MASK (0xf) */ #define NAU8825_IRQ_OUTPUT_EN (1 << 11) #define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10) +#define NAU8825_IRQ_RMS_EN (1 << 8) #define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7) #define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5) #define NAU8825_IRQ_EJECT_EN (1 << 2) +#define NAU8825_IRQ_INSERT_EN (1 << 0) /* IRQ_STATUS (0x10) */ #define NAU8825_HEADSET_COMPLETION_IRQ (1 << 10) @@ -168,6 +188,7 @@ #define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7) #define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5) #define NAU8825_IRQ_EJECT_DIS (1 << 2) +#define NAU8825_IRQ_INSERT_DIS (1 << 0) /* SAR_CTRL (0x13) */ #define NAU8825_SAR_ADC_EN_SFT 12 @@ -217,10 +238,21 @@ /* I2S_PCM_CTRL2 (0x1d) */ #define NAU8825_I2S_TRISTATE (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */ +#define NAU8825_I2S_DRV_SFT 12 +#define NAU8825_I2S_DRV_MASK (0x3 << NAU8825_I2S_DRV_SFT) #define NAU8825_I2S_MS_SFT 3 #define NAU8825_I2S_MS_MASK (1 << NAU8825_I2S_MS_SFT) #define NAU8825_I2S_MS_MASTER (1 << NAU8825_I2S_MS_SFT) #define NAU8825_I2S_MS_SLAVE (0 << NAU8825_I2S_MS_SFT) +#define NAU8825_I2S_BLK_DIV_MASK 0x7 + +/* BIQ_CTRL (0x20) */ +#define NAU8825_BIQ_WRT_SFT 4 +#define NAU8825_BIQ_WRT_EN (1 << NAU8825_BIQ_WRT_SFT) +#define NAU8825_BIQ_PATH_SFT 0 +#define NAU8825_BIQ_PATH_MASK (1 << NAU8825_BIQ_PATH_SFT) +#define NAU8825_BIQ_PATH_ADC (0 << NAU8825_BIQ_PATH_SFT) +#define NAU8825_BIQ_PATH_DAC (1 << NAU8825_BIQ_PATH_SFT) /* ADC_RATE (0x2b) */ #define NAU8825_ADC_SYNC_DOWN_SFT 0 @@ -239,22 +271,72 @@ #define NAU8825_DAC_OVERSAMPLE_128 2 #define NAU8825_DAC_OVERSAMPLE_32 4 +/* ADC_DGAIN_CTRL (0x30) */ +#define NAU8825_ADC_DIG_VOL_MASK 0xff + /* MUTE_CTRL (0x31) */ #define NAU8825_DAC_ZERO_CROSSING_EN (1 << 9) #define NAU8825_DAC_SOFT_MUTE (1 << 9) /* HSVOL_CTRL (0x32) */ #define NAU8825_HP_MUTE (1 << 15) +#define NAU8825_HP_MUTE_AUTO (1 << 14) +#define NAU8825_HPL_MUTE (1 << 13) +#define NAU8825_HPR_MUTE (1 << 12) +#define NAU8825_HPL_VOL_SFT 6 +#define NAU8825_HPL_VOL_MASK (0x3f << NAU8825_HPL_VOL_SFT) +#define NAU8825_HPR_VOL_SFT 0 +#define NAU8825_HPR_VOL_MASK (0x3f << NAU8825_HPR_VOL_SFT) +#define NAU8825_HP_VOL_MIN 0x36 /* DACL_CTRL (0x33) */ #define NAU8825_DACL_CH_SEL_SFT 9 +#define NAU8825_DACL_CH_SEL_MASK (0x1 << NAU8825_DACL_CH_SEL_SFT) +#define NAU8825_DACL_CH_SEL_L (0x0 << NAU8825_DACL_CH_SEL_SFT) +#define NAU8825_DACL_CH_SEL_R (0x1 << NAU8825_DACL_CH_SEL_SFT) +#define NAU8825_DACL_CH_VOL_MASK 0xff /* DACR_CTRL (0x34) */ #define NAU8825_DACR_CH_SEL_SFT 9 +#define NAU8825_DACR_CH_SEL_MASK (0x1 << NAU8825_DACR_CH_SEL_SFT) +#define NAU8825_DACR_CH_SEL_L (0x0 << NAU8825_DACR_CH_SEL_SFT) +#define NAU8825_DACR_CH_SEL_R (0x1 << NAU8825_DACR_CH_SEL_SFT) +#define NAU8825_DACR_CH_VOL_MASK 0xff + +/* IMM_MODE_CTRL (0x4C) */ +#define NAU8825_IMM_THD_SFT 8 +#define NAU8825_IMM_THD_MASK (0x3f << NAU8825_IMM_THD_SFT) +#define NAU8825_IMM_GEN_VOL_SFT 6 +#define NAU8825_IMM_GEN_VOL_MASK (0x3 << NAU8825_IMM_GEN_VOL_SFT) +#define NAU8825_IMM_GEN_VOL_1_2nd (0x0 << NAU8825_IMM_GEN_VOL_SFT) +#define NAU8825_IMM_GEN_VOL_1_4th (0x1 << NAU8825_IMM_GEN_VOL_SFT) +#define NAU8825_IMM_GEN_VOL_1_8th (0x2 << NAU8825_IMM_GEN_VOL_SFT) +#define NAU8825_IMM_GEN_VOL_1_16th (0x3 << NAU8825_IMM_GEN_VOL_SFT) + +#define NAU8825_IMM_CYC_SFT 4 +#define NAU8825_IMM_CYC_MASK (0x3 << NAU8825_IMM_CYC_SFT) +#define NAU8825_IMM_CYC_1024 (0x0 << NAU8825_IMM_CYC_SFT) +#define NAU8825_IMM_CYC_2048 (0x1 << NAU8825_IMM_CYC_SFT) +#define NAU8825_IMM_CYC_4096 (0x2 << NAU8825_IMM_CYC_SFT) +#define NAU8825_IMM_CYC_8192 (0x3 << NAU8825_IMM_CYC_SFT) +#define NAU8825_IMM_EN (1 << 3) +#define NAU8825_IMM_DAC_SRC_MASK 0x7 +#define NAU8825_IMM_DAC_SRC_BIQ 0x0 +#define NAU8825_IMM_DAC_SRC_DRC 0x1 +#define NAU8825_IMM_DAC_SRC_MIX 0x2 +#define NAU8825_IMM_DAC_SRC_SIN 0x3 /* CLASSG_CTRL (0x50) */ #define NAU8825_CLASSG_TIMER_SFT 8 #define NAU8825_CLASSG_TIMER_MASK (0x3f << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_1ms (0x1 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_2ms (0x2 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_8ms (0x4 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_16ms (0x8 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_32ms (0x10 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_TIMER_64ms (0x20 << NAU8825_CLASSG_TIMER_SFT) +#define NAU8825_CLASSG_LDAC_EN (0x1 << 2) +#define NAU8825_CLASSG_RDAC_EN (0x1 << 1) #define NAU8825_CLASSG_EN (1 << 0) /* I2C_DEVICE_ID (0x58) */ @@ -263,7 +345,12 @@ #define NAU8825_SOFTWARE_ID_NAU8825 0x0 /* BIAS_ADJ (0x66) */ -#define NAU8825_BIAS_TESTDAC_EN (0x3 << 8) +#define NAU8825_BIAS_HPR_IMP (1 << 15) +#define NAU8825_BIAS_HPL_IMP (1 << 14) +#define NAU8825_BIAS_TESTDAC_SFT 8 +#define NAU8825_BIAS_TESTDAC_EN (0x3 << NAU8825_BIAS_TESTDAC_SFT) +#define NAU8825_BIAS_TESTDACR_EN (0x2 << NAU8825_BIAS_TESTDAC_SFT) +#define NAU8825_BIAS_TESTDACL_EN (0x1 << NAU8825_BIAS_TESTDAC_SFT) #define NAU8825_BIAS_VMID (1 << 6) #define NAU8825_BIAS_VMID_SEL_SFT 4 #define NAU8825_BIAS_VMID_SEL_MASK (3 << NAU8825_BIAS_VMID_SEL_SFT) @@ -282,6 +369,11 @@ #define NAU8825_POWERUP_ADCL (1 << 6) /* RDAC (0x73) */ +#define NAU8825_RDAC_FS_BCLK_ENB (1 << 15) +#define NAU8825_RDAC_EN_SFT 12 +#define NAU8825_RDAC_EN (0x3 << NAU8825_RDAC_EN_SFT) +#define NAU8825_RDAC_CLK_EN_SFT 8 +#define NAU8825_RDAC_CLK_EN (0x3 << NAU8825_RDAC_CLK_EN_SFT) #define NAU8825_RDAC_CLK_DELAY_SFT 4 #define NAU8825_RDAC_CLK_DELAY_MASK (0x7 << NAU8825_RDAC_CLK_DELAY_SFT) #define NAU8825_RDAC_VREF_SFT 2 @@ -318,8 +410,21 @@ /* System Clock Source */ enum { - NAU8825_CLK_MCLK = 0, + NAU8825_CLK_DIS = 0, + NAU8825_CLK_MCLK, NAU8825_CLK_INTERNAL, + NAU8825_CLK_FLL_MCLK, + NAU8825_CLK_FLL_BLK, + NAU8825_CLK_FLL_FS, +}; + +/* Cross talk detection state */ +enum { + NAU8825_XTALK_PREPARE = 0, + NAU8825_XTALK_HPR_R2L, + NAU8825_XTALK_HPL_R2L, + NAU8825_XTALK_IMM, + NAU8825_XTALK_DONE, }; struct nau8825 { @@ -328,6 +433,8 @@ struct nau8825 { struct snd_soc_dapm_context *dapm; struct snd_soc_jack *jack; struct clk *mclk; + struct work_struct xtalk_work; + struct semaphore xtalk_sem; int irq; int mclk_freq; /* 0 - mclk is disabled */ int button_pressed; @@ -346,6 +453,12 @@ struct nau8825 { int key_debounce; int jack_insert_debounce; int jack_eject_debounce; + int high_imped; + int xtalk_state; + int xtalk_event; + int xtalk_event_mask; + bool xtalk_protect; + int imp_rms[NAU8825_XTALK_IMM]; }; int nau8825_enable_jack_detect(struct snd_soc_codec *codec, diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index 3abf51c07851..05cf809cf9e1 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -1,15 +1,40 @@ config SND_SOC_MEDIATEK - tristate "ASoC support for Mediatek chip" + tristate + +config SND_SOC_MT2701 + tristate "ASoC support for Mediatek MT2701 chip" + depends on ARCH_MEDIATEK + select SND_SOC_MEDIATEK + help + This adds ASoC driver for Mediatek MT2701 boards + that can be used with other codecs. + Select Y if you have such device. + If unsure select "N". + +config SND_SOC_MT2701_CS42448 + tristate "ASoc Audio driver for MT2701 with CS42448 codec" + depends on SND_SOC_MT2701 + select SND_SOC_CS42XX8_I2C + select SND_SOC_BT_SCO + help + This adds ASoC driver for Mediatek MT2701 boards + with the CS42448 codecs. + Select Y if you have such device. + If unsure select "N". + +config SND_SOC_MT8173 + tristate "ASoC support for Mediatek MT8173 chip" depends on ARCH_MEDIATEK + select SND_SOC_MEDIATEK help - This adds ASoC platform driver support for Mediatek chip + This adds ASoC platform driver support for Mediatek MT8173 chip that can be used with other codecs. Select Y if you have such device. Ex: MT8173 config SND_SOC_MT8173_MAX98090 tristate "ASoC Audio driver for MT8173 with MAX98090 codec" - depends on SND_SOC_MEDIATEK && I2C + depends on SND_SOC_MT8173 && I2C select SND_SOC_MAX98090 help This adds ASoC driver for Mediatek MT8173 boards @@ -19,8 +44,9 @@ config SND_SOC_MT8173_MAX98090 config SND_SOC_MT8173_RT5650 tristate "ASoC Audio driver for MT8173 with RT5650 codec" - depends on SND_SOC_MEDIATEK && I2C + depends on SND_SOC_MT8173 && I2C select SND_SOC_RT5645 + select SND_SOC_HDMI_CODEC help This adds ASoC driver for Mediatek MT8173 boards with the RT5650 audio codec. @@ -29,7 +55,7 @@ config SND_SOC_MT8173_RT5650 config SND_SOC_MT8173_RT5650_RT5514 tristate "ASoC Audio driver for MT8173 with RT5650 RT5514 codecs" - depends on SND_SOC_MEDIATEK && I2C + depends on SND_SOC_MT8173 && I2C select SND_SOC_RT5645 select SND_SOC_RT5514 help @@ -40,7 +66,7 @@ config SND_SOC_MT8173_RT5650_RT5514 config SND_SOC_MT8173_RT5650_RT5676 tristate "ASoC Audio driver for MT8173 with RT5650 RT5676 codecs" - depends on SND_SOC_MEDIATEK && I2C + depends on SND_SOC_MT8173 && I2C select SND_SOC_RT5645 select SND_SOC_RT5677 select SND_SOC_HDMI_CODEC diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile index d486860c0a88..6bcab35dc828 100644 --- a/sound/soc/mediatek/Makefile +++ b/sound/soc/mediatek/Makefile @@ -1,7 +1,3 @@ -# MTK Platform Support -obj-$(CONFIG_SND_SOC_MEDIATEK) += mtk-afe-pcm.o -# Machine support -obj-$(CONFIG_SND_SOC_MT8173_MAX98090) += mt8173-max98090.o -obj-$(CONFIG_SND_SOC_MT8173_RT5650) += mt8173-rt5650.o -obj-$(CONFIG_SND_SOC_MT8173_RT5650_RT5514) += mt8173-rt5650-rt5514.o -obj-$(CONFIG_SND_SOC_MT8173_RT5650_RT5676) += mt8173-rt5650-rt5676.o +obj-$(CONFIG_SND_SOC_MEDIATEK) += common/ +obj-$(CONFIG_SND_SOC_MT2701) += mt2701/ +obj-$(CONFIG_SND_SOC_MT8173) += mt8173/ diff --git a/sound/soc/mediatek/common/Makefile b/sound/soc/mediatek/common/Makefile new file mode 100644 index 000000000000..a55d33bc7b01 --- /dev/null +++ b/sound/soc/mediatek/common/Makefile @@ -0,0 +1,16 @@ +# +# Copyright (C) 2015 MediaTek Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +# platform driver +snd-soc-mtk-common-objs := mtk-afe-platform-driver.o mtk-afe-fe-dai.o +obj-$(CONFIG_SND_SOC_MEDIATEK) += snd-soc-mtk-common.o diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c new file mode 100644 index 000000000000..b788791b0a35 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c @@ -0,0 +1,379 @@ +/* + * mtk-afe-fe-dais.c -- Mediatek afe fe dai operator + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <sound/soc.h> +#include "mtk-afe-fe-dai.h" +#include "mtk-base-afe.h" + +#define AFE_BASE_END_OFFSET 8 + +int mtk_regmap_update_bits(struct regmap *map, int reg, unsigned int mask, + unsigned int val) +{ + if (reg < 0) + return 0; + return regmap_update_bits(map, reg, mask, val); +} + +int mtk_regmap_write(struct regmap *map, int reg, unsigned int val) +{ + if (reg < 0) + return 0; + return regmap_write(map, reg, val); +} + +int mtk_afe_fe_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct snd_pcm_runtime *runtime = substream->runtime; + int memif_num = rtd->cpu_dai->id; + struct mtk_base_afe_memif *memif = &afe->memif[memif_num]; + const struct snd_pcm_hardware *mtk_afe_hardware = afe->mtk_afe_hardware; + int ret; + + memif->substream = substream; + + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 16); + /* enable agent */ + mtk_regmap_update_bits(afe->regmap, memif->data->agent_disable_reg, + 1 << memif->data->agent_disable_shift, + 0 << memif->data->agent_disable_shift); + + snd_soc_set_runtime_hwparams(substream, mtk_afe_hardware); + + /* + * Capture cannot use ping-pong buffer since hw_ptr at IRQ may be + * smaller than period_size due to AFE's internal buffer. + * This easily leads to overrun when avail_min is period_size. + * One more period can hold the possible unread buffer. + */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + int periods_max = mtk_afe_hardware->periods_max; + + ret = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIODS, + 3, periods_max); + if (ret < 0) { + dev_err(afe->dev, "hw_constraint_minmax failed\n"); + return ret; + } + } + + ret = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) + dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n"); + + /* dynamic allocate irq to memif */ + if (memif->irq_usage < 0) { + int irq_id = mtk_dynamic_irq_acquire(afe); + + if (irq_id != afe->irqs_size) { + /* link */ + memif->irq_usage = irq_id; + } else { + dev_err(afe->dev, "%s() error: no more asys irq\n", + __func__); + ret = -EBUSY; + } + } + return ret; +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_startup); + +void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + int irq_id; + + irq_id = memif->irq_usage; + + mtk_regmap_update_bits(afe->regmap, memif->data->agent_disable_reg, + 1 << memif->data->agent_disable_shift, + 1 << memif->data->agent_disable_shift); + + if (!memif->const_irq) { + mtk_dynamic_irq_release(afe, irq_id); + memif->irq_usage = -1; + memif->substream = NULL; + } +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_shutdown); + +int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + int msb_at_bit33 = 0; + int ret, fs = 0; + + ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); + if (ret < 0) + return ret; + + msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0; + memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr); + memif->buffer_size = substream->runtime->dma_bytes; + + /* start */ + mtk_regmap_write(afe->regmap, memif->data->reg_ofs_base, + memif->phys_buf_addr); + /* end */ + mtk_regmap_write(afe->regmap, + memif->data->reg_ofs_base + AFE_BASE_END_OFFSET, + memif->phys_buf_addr + memif->buffer_size - 1); + + /* set MSB to 33-bit */ + mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg, + 1 << memif->data->msb_shift, + msb_at_bit33 << memif->data->msb_shift); + + /* set channel */ + if (memif->data->mono_shift >= 0) { + unsigned int mono = (params_channels(params) == 1) ? 1 : 0; + + mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg, + 1 << memif->data->mono_shift, + mono << memif->data->mono_shift); + } + + /* set rate */ + if (memif->data->fs_shift < 0) + return 0; + + fs = afe->memif_fs(substream, params_rate(params)); + + if (fs < 0) + return -EINVAL; + + mtk_regmap_update_bits(afe->regmap, memif->data->fs_reg, + memif->data->fs_maskbit << memif->data->fs_shift, + fs << memif->data->fs_shift); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_params); + +int mtk_afe_fe_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + return snd_pcm_lib_free_pages(substream); +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_free); + +int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_pcm_runtime * const runtime = substream->runtime; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage]; + const struct mtk_base_irq_data *irq_data = irqs->irq_data; + unsigned int counter = runtime->period_size; + int fs; + + dev_dbg(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + if (memif->data->enable_shift >= 0) + mtk_regmap_update_bits(afe->regmap, + memif->data->enable_reg, + 1 << memif->data->enable_shift, + 1 << memif->data->enable_shift); + + /* set irq counter */ + mtk_regmap_update_bits(afe->regmap, irq_data->irq_cnt_reg, + irq_data->irq_cnt_maskbit + << irq_data->irq_cnt_shift, + counter << irq_data->irq_cnt_shift); + + /* set irq fs */ + fs = afe->irq_fs(substream, runtime->rate); + + if (fs < 0) + return -EINVAL; + + mtk_regmap_update_bits(afe->regmap, irq_data->irq_fs_reg, + irq_data->irq_fs_maskbit + << irq_data->irq_fs_shift, + fs << irq_data->irq_fs_shift); + + /* enable interrupt */ + mtk_regmap_update_bits(afe->regmap, irq_data->irq_en_reg, + 1 << irq_data->irq_en_shift, + 1 << irq_data->irq_en_shift); + + return 0; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + mtk_regmap_update_bits(afe->regmap, memif->data->enable_reg, + 1 << memif->data->enable_shift, 0); + /* disable interrupt */ + mtk_regmap_update_bits(afe->regmap, irq_data->irq_en_reg, + 1 << irq_data->irq_en_shift, + 0 << irq_data->irq_en_shift); + /* and clear pending IRQ */ + mtk_regmap_write(afe->regmap, irq_data->irq_clr_reg, + 1 << irq_data->irq_clr_shift); + return 0; + default: + return -EINVAL; + } +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_trigger); + +int mtk_afe_fe_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + int hd_audio = 0; + + /* set hd mode */ + switch (substream->runtime->format) { + case SNDRV_PCM_FORMAT_S16_LE: + hd_audio = 0; + break; + case SNDRV_PCM_FORMAT_S32_LE: + hd_audio = 1; + break; + case SNDRV_PCM_FORMAT_S24_LE: + hd_audio = 1; + break; + default: + dev_err(afe->dev, "%s() error: unsupported format %d\n", + __func__, substream->runtime->format); + break; + } + + mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg, + 1 << memif->data->hd_shift, + hd_audio << memif->data->hd_shift); + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_afe_fe_prepare); + +const struct snd_soc_dai_ops mtk_afe_fe_ops = { + .startup = mtk_afe_fe_startup, + .shutdown = mtk_afe_fe_shutdown, + .hw_params = mtk_afe_fe_hw_params, + .hw_free = mtk_afe_fe_hw_free, + .prepare = mtk_afe_fe_prepare, + .trigger = mtk_afe_fe_trigger, +}; +EXPORT_SYMBOL_GPL(mtk_afe_fe_ops); + +static DEFINE_MUTEX(irqs_lock); +int mtk_dynamic_irq_acquire(struct mtk_base_afe *afe) +{ + int i; + + mutex_lock(&afe->irq_alloc_lock); + for (i = 0; i < afe->irqs_size; ++i) { + if (afe->irqs[i].irq_occupyed == 0) { + afe->irqs[i].irq_occupyed = 1; + mutex_unlock(&afe->irq_alloc_lock); + return i; + } + } + mutex_unlock(&afe->irq_alloc_lock); + return afe->irqs_size; +} +EXPORT_SYMBOL_GPL(mtk_dynamic_irq_acquire); + +int mtk_dynamic_irq_release(struct mtk_base_afe *afe, int irq_id) +{ + mutex_lock(&afe->irq_alloc_lock); + if (irq_id >= 0 && irq_id < afe->irqs_size) { + afe->irqs[irq_id].irq_occupyed = 0; + mutex_unlock(&afe->irq_alloc_lock); + return 0; + } + mutex_unlock(&afe->irq_alloc_lock); + return -EINVAL; +} +EXPORT_SYMBOL_GPL(mtk_dynamic_irq_release); + +int mtk_afe_dai_suspend(struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); + struct device *dev = afe->dev; + struct regmap *regmap = afe->regmap; + int i; + + if (pm_runtime_status_suspended(dev) || afe->suspended) + return 0; + + if (!afe->reg_back_up) + afe->reg_back_up = + devm_kcalloc(dev, afe->reg_back_up_list_num, + sizeof(unsigned int), GFP_KERNEL); + + for (i = 0; i < afe->reg_back_up_list_num; i++) + regmap_read(regmap, afe->reg_back_up_list[i], + &afe->reg_back_up[i]); + + afe->suspended = true; + afe->runtime_suspend(dev); + return 0; +} +EXPORT_SYMBOL_GPL(mtk_afe_dai_suspend); + +int mtk_afe_dai_resume(struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); + struct device *dev = afe->dev; + struct regmap *regmap = afe->regmap; + int i = 0; + + if (pm_runtime_status_suspended(dev) || !afe->suspended) + return 0; + + afe->runtime_resume(dev); + + if (!afe->reg_back_up) + dev_dbg(dev, "%s no reg_backup\n", __func__); + + for (i = 0; i < afe->reg_back_up_list_num; i++) + mtk_regmap_write(regmap, afe->reg_back_up_list[i], + afe->reg_back_up[i]); + + afe->suspended = false; + return 0; +} +EXPORT_SYMBOL_GPL(mtk_afe_dai_resume); + +MODULE_DESCRIPTION("Mediatek simple fe dai operator"); +MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>"); +MODULE_LICENSE("GPL v2"); + diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.h b/sound/soc/mediatek/common/mtk-afe-fe-dai.h new file mode 100644 index 000000000000..28cb17854da1 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.h @@ -0,0 +1,45 @@ +/* + * mtk-afe-fe-dais.h -- Mediatek afe fe dai operator definition + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MTK_AFE_FE_DAI_H_ +#define _MTK_AFE_FE_DAI_H_ + +struct snd_soc_dai_ops; +struct mtk_base_afe; +struct mtk_base_afe_memif; + +int mtk_afe_fe_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai); +int mtk_afe_fe_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int mtk_afe_fe_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai); + +extern const struct snd_soc_dai_ops mtk_afe_fe_ops; + +int mtk_dynamic_irq_acquire(struct mtk_base_afe *afe); +int mtk_dynamic_irq_release(struct mtk_base_afe *afe, int irq_id); +int mtk_afe_dai_suspend(struct snd_soc_dai *dai); +int mtk_afe_dai_resume(struct snd_soc_dai *dai); + +#endif diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/sound/soc/mediatek/common/mtk-afe-platform-driver.c new file mode 100644 index 000000000000..82d439c15f4e --- /dev/null +++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c @@ -0,0 +1,90 @@ +/* + * mtk-afe-platform-driver.c -- Mediatek afe platform driver + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <sound/soc.h> + +#include "mtk-afe-platform-driver.h" +#include "mtk-base-afe.h" + +static snd_pcm_uframes_t mtk_afe_pcm_pointer + (struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + const struct mtk_base_memif_data *memif_data = memif->data; + struct regmap *regmap = afe->regmap; + struct device *dev = afe->dev; + int reg_ofs_base = memif_data->reg_ofs_base; + int reg_ofs_cur = memif_data->reg_ofs_cur; + unsigned int hw_ptr = 0, hw_base = 0; + int ret, pcm_ptr_bytes; + + ret = regmap_read(regmap, reg_ofs_cur, &hw_ptr); + if (ret || hw_ptr == 0) { + dev_err(dev, "%s hw_ptr err\n", __func__); + pcm_ptr_bytes = 0; + goto POINTER_RETURN_FRAMES; + } + + ret = regmap_read(regmap, reg_ofs_base, &hw_base); + if (ret || hw_base == 0) { + dev_err(dev, "%s hw_ptr err\n", __func__); + pcm_ptr_bytes = 0; + goto POINTER_RETURN_FRAMES; + } + + pcm_ptr_bytes = hw_ptr - hw_base; + +POINTER_RETURN_FRAMES: + return bytes_to_frames(substream->runtime, pcm_ptr_bytes); +} + +static const struct snd_pcm_ops mtk_afe_pcm_ops = { + .ioctl = snd_pcm_lib_ioctl, + .pointer = mtk_afe_pcm_pointer, +}; + +static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + size_t size; + struct snd_card *card = rtd->card->snd_card; + struct snd_pcm *pcm = rtd->pcm; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + + size = afe->mtk_afe_hardware->buffer_bytes_max; + return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + card->dev, size, size); +} + +static void mtk_afe_pcm_free(struct snd_pcm *pcm) +{ + snd_pcm_lib_preallocate_free_for_all(pcm); +} + +const struct snd_soc_platform_driver mtk_afe_pcm_platform = { + .ops = &mtk_afe_pcm_ops, + .pcm_new = mtk_afe_pcm_new, + .pcm_free = mtk_afe_pcm_free, +}; +EXPORT_SYMBOL_GPL(mtk_afe_pcm_platform); + +MODULE_DESCRIPTION("Mediatek simple platform driver"); +MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>"); +MODULE_LICENSE("GPL v2"); + diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.h b/sound/soc/mediatek/common/mtk-afe-platform-driver.h new file mode 100644 index 000000000000..a973fc9253b4 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.h @@ -0,0 +1,23 @@ +/* + * mtk-afe-platform-driver.h -- Mediatek afe platform driver definition + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MTK_AFE_PLATFORM_DRIVER_H_ +#define _MTK_AFE_PLATFORM_DRIVER_H_ + +extern const struct snd_soc_platform_driver mtk_afe_pcm_platform; + +#endif + diff --git a/sound/soc/mediatek/common/mtk-base-afe.h b/sound/soc/mediatek/common/mtk-base-afe.h new file mode 100644 index 000000000000..3a78f6f17195 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-base-afe.h @@ -0,0 +1,104 @@ +/* + * mtk-base-afe.h -- Mediatek base afe structure + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MTK_BASE_AFE_H_ +#define _MTK_BASE_AFE_H_ + +struct mtk_base_memif_data { + int id; + const char *name; + int reg_ofs_base; + int reg_ofs_cur; + int fs_reg; + int fs_shift; + int fs_maskbit; + int mono_reg; + int mono_shift; + int enable_reg; + int enable_shift; + int hd_reg; + int hd_shift; + int msb_reg; + int msb_shift; + int agent_disable_reg; + int agent_disable_shift; +}; + +struct mtk_base_irq_data { + int id; + int irq_cnt_reg; + int irq_cnt_shift; + int irq_cnt_maskbit; + int irq_fs_reg; + int irq_fs_shift; + int irq_fs_maskbit; + int irq_en_reg; + int irq_en_shift; + int irq_clr_reg; + int irq_clr_shift; +}; + +struct device; +struct mtk_base_afe_memif; +struct mtk_base_afe_irq; +struct regmap; +struct snd_pcm_substream; +struct snd_soc_dai; + +struct mtk_base_afe { + void __iomem *base_addr; + struct device *dev; + struct regmap *regmap; + struct mutex irq_alloc_lock; /* dynamic alloc irq lock */ + + unsigned int const *reg_back_up_list; + unsigned int *reg_back_up; + unsigned int reg_back_up_list_num; + + int (*runtime_suspend)(struct device *dev); + int (*runtime_resume)(struct device *dev); + bool suspended; + + struct mtk_base_afe_memif *memif; + int memif_size; + struct mtk_base_afe_irq *irqs; + int irqs_size; + + const struct snd_pcm_hardware *mtk_afe_hardware; + int (*memif_fs)(struct snd_pcm_substream *substream, + unsigned int rate); + int (*irq_fs)(struct snd_pcm_substream *substream, + unsigned int rate); + + void *platform_priv; +}; + +struct mtk_base_afe_memif { + unsigned int phys_buf_addr; + int buffer_size; + struct snd_pcm_substream *substream; + const struct mtk_base_memif_data *data; + int irq_usage; + int const_irq; +}; + +struct mtk_base_afe_irq { + const struct mtk_base_irq_data *irq_data; + int irq_occupyed; +}; + +#endif + diff --git a/sound/soc/mediatek/mt2701/Makefile b/sound/soc/mediatek/mt2701/Makefile new file mode 100644 index 000000000000..31c3d04d4942 --- /dev/null +++ b/sound/soc/mediatek/mt2701/Makefile @@ -0,0 +1,19 @@ +# +# Copyright (C) 2015 MediaTek Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +# platform driver +snd-soc-mt2701-afe-objs := mt2701-afe-pcm.o mt2701-afe-clock-ctrl.o +obj-$(CONFIG_SND_SOC_MT2701) += snd-soc-mt2701-afe.o + +# machine driver +obj-$(CONFIG_SND_SOC_MT2701_CS42448) += mt2701-cs42448.o diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.c b/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.c new file mode 100644 index 000000000000..b815ecc6bbf6 --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.c @@ -0,0 +1,464 @@ +/* + * mt2701-afe-clock-ctrl.c -- Mediatek 2701 afe clock ctrl + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <sound/soc.h> +#include <linux/regmap.h> +#include <linux/pm_runtime.h> + +#include "mt2701-afe-common.h" +#include "mt2701-afe-clock-ctrl.h" + +static const char *aud_clks[MT2701_CLOCK_NUM] = { + [MT2701_AUD_INFRA_SYS_AUDIO] = "infra_sys_audio_clk", + [MT2701_AUD_AUD_MUX1_SEL] = "top_audio_mux1_sel", + [MT2701_AUD_AUD_MUX2_SEL] = "top_audio_mux2_sel", + [MT2701_AUD_AUD_MUX1_DIV] = "top_audio_mux1_div", + [MT2701_AUD_AUD_MUX2_DIV] = "top_audio_mux2_div", + [MT2701_AUD_AUD_48K_TIMING] = "top_audio_48k_timing", + [MT2701_AUD_AUD_44K_TIMING] = "top_audio_44k_timing", + [MT2701_AUD_AUDPLL_MUX_SEL] = "top_audpll_mux_sel", + [MT2701_AUD_APLL_SEL] = "top_apll_sel", + [MT2701_AUD_AUD1PLL_98M] = "top_aud1_pll_98M", + [MT2701_AUD_AUD2PLL_90M] = "top_aud2_pll_90M", + [MT2701_AUD_HADDS2PLL_98M] = "top_hadds2_pll_98M", + [MT2701_AUD_HADDS2PLL_294M] = "top_hadds2_pll_294M", + [MT2701_AUD_AUDPLL] = "top_audpll", + [MT2701_AUD_AUDPLL_D4] = "top_audpll_d4", + [MT2701_AUD_AUDPLL_D8] = "top_audpll_d8", + [MT2701_AUD_AUDPLL_D16] = "top_audpll_d16", + [MT2701_AUD_AUDPLL_D24] = "top_audpll_d24", + [MT2701_AUD_AUDINTBUS] = "top_audintbus_sel", + [MT2701_AUD_CLK_26M] = "clk_26m", + [MT2701_AUD_SYSPLL1_D4] = "top_syspll1_d4", + [MT2701_AUD_AUD_K1_SRC_SEL] = "top_aud_k1_src_sel", + [MT2701_AUD_AUD_K2_SRC_SEL] = "top_aud_k2_src_sel", + [MT2701_AUD_AUD_K3_SRC_SEL] = "top_aud_k3_src_sel", + [MT2701_AUD_AUD_K4_SRC_SEL] = "top_aud_k4_src_sel", + [MT2701_AUD_AUD_K5_SRC_SEL] = "top_aud_k5_src_sel", + [MT2701_AUD_AUD_K6_SRC_SEL] = "top_aud_k6_src_sel", + [MT2701_AUD_AUD_K1_SRC_DIV] = "top_aud_k1_src_div", + [MT2701_AUD_AUD_K2_SRC_DIV] = "top_aud_k2_src_div", + [MT2701_AUD_AUD_K3_SRC_DIV] = "top_aud_k3_src_div", + [MT2701_AUD_AUD_K4_SRC_DIV] = "top_aud_k4_src_div", + [MT2701_AUD_AUD_K5_SRC_DIV] = "top_aud_k5_src_div", + [MT2701_AUD_AUD_K6_SRC_DIV] = "top_aud_k6_src_div", + [MT2701_AUD_AUD_I2S1_MCLK] = "top_aud_i2s1_mclk", + [MT2701_AUD_AUD_I2S2_MCLK] = "top_aud_i2s2_mclk", + [MT2701_AUD_AUD_I2S3_MCLK] = "top_aud_i2s3_mclk", + [MT2701_AUD_AUD_I2S4_MCLK] = "top_aud_i2s4_mclk", + [MT2701_AUD_AUD_I2S5_MCLK] = "top_aud_i2s5_mclk", + [MT2701_AUD_AUD_I2S6_MCLK] = "top_aud_i2s6_mclk", + [MT2701_AUD_ASM_M_SEL] = "top_asm_m_sel", + [MT2701_AUD_ASM_H_SEL] = "top_asm_h_sel", + [MT2701_AUD_UNIVPLL2_D4] = "top_univpll2_d4", + [MT2701_AUD_UNIVPLL2_D2] = "top_univpll2_d2", + [MT2701_AUD_SYSPLL_D5] = "top_syspll_d5", +}; + +int mt2701_init_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i = 0; + + for (i = 0; i < MT2701_CLOCK_NUM; i++) { + afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]); + if (IS_ERR(aud_clks[i])) { + dev_warn(afe->dev, "%s devm_clk_get %s fail\n", + __func__, aud_clks[i]); + return PTR_ERR(aud_clks[i]); + } + } + + return 0; +} + +int mt2701_afe_enable_clock(struct mtk_base_afe *afe) +{ + int ret = 0; + + ret = mt2701_turn_on_a1sys_clock(afe); + if (ret) { + dev_err(afe->dev, "%s turn_on_a1sys_clock fail %d\n", + __func__, ret); + return ret; + } + + ret = mt2701_turn_on_a2sys_clock(afe); + if (ret) { + dev_err(afe->dev, "%s turn_on_a2sys_clock fail %d\n", + __func__, ret); + mt2701_turn_off_a1sys_clock(afe); + return ret; + } + + ret = mt2701_turn_on_afe_clock(afe); + if (ret) { + dev_err(afe->dev, "%s turn_on_afe_clock fail %d\n", + __func__, ret); + mt2701_turn_off_a1sys_clock(afe); + mt2701_turn_off_a2sys_clock(afe); + return ret; + } + + regmap_update_bits(afe->regmap, ASYS_TOP_CON, + AUDIO_TOP_CON0_A1SYS_A2SYS_ON, + AUDIO_TOP_CON0_A1SYS_A2SYS_ON); + regmap_update_bits(afe->regmap, AFE_DAC_CON0, + AFE_DAC_CON0_AFE_ON, + AFE_DAC_CON0_AFE_ON); + regmap_write(afe->regmap, PWR2_TOP_CON, + PWR2_TOP_CON_INIT_VAL); + regmap_write(afe->regmap, PWR1_ASM_CON1, + PWR1_ASM_CON1_INIT_VAL); + regmap_write(afe->regmap, PWR2_ASM_CON1, + PWR2_ASM_CON1_INIT_VAL); + + return 0; +} + +void mt2701_afe_disable_clock(struct mtk_base_afe *afe) +{ + mt2701_turn_off_afe_clock(afe); + mt2701_turn_off_a1sys_clock(afe); + mt2701_turn_off_a2sys_clock(afe); + regmap_update_bits(afe->regmap, ASYS_TOP_CON, + AUDIO_TOP_CON0_A1SYS_A2SYS_ON, 0); + regmap_update_bits(afe->regmap, AFE_DAC_CON0, + AFE_DAC_CON0_AFE_ON, 0); +} + +int mt2701_turn_on_a1sys_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + + /* Set Mux */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUD_MUX1_SEL], ret); + goto A1SYS_CLK_AUD_MUX1_SEL_ERR; + } + + ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL], + afe_priv->clocks[MT2701_AUD_AUD1PLL_98M]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, + aud_clks[MT2701_AUD_AUD_MUX1_SEL], + aud_clks[MT2701_AUD_AUD1PLL_98M], ret); + goto A1SYS_CLK_AUD_MUX1_SEL_ERR; + } + + /* Set Divider */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, + aud_clks[MT2701_AUD_AUD_MUX1_DIV], + ret); + goto A1SYS_CLK_AUD_MUX1_DIV_ERR; + } + + ret = clk_set_rate(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV], + MT2701_AUD_AUD_MUX1_DIV_RATE); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%d fail %d\n", __func__, + aud_clks[MT2701_AUD_AUD_MUX1_DIV], + MT2701_AUD_AUD_MUX1_DIV_RATE, ret); + goto A1SYS_CLK_AUD_MUX1_DIV_ERR; + } + + /* Enable clock gate */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUD_48K_TIMING], ret); + goto A1SYS_CLK_AUD_48K_ERR; + } + + /* Enable infra audio */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret); + goto A1SYS_CLK_INFRA_ERR; + } + + return 0; + +A1SYS_CLK_INFRA_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); +A1SYS_CLK_AUD_48K_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]); +A1SYS_CLK_AUD_MUX1_DIV_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]); +A1SYS_CLK_AUD_MUX1_SEL_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]); + + return ret; +} + +void mt2701_turn_off_a1sys_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]); +} + +int mt2701_turn_on_a2sys_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + + /* Set Mux */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUD_MUX2_SEL], ret); + goto A2SYS_CLK_AUD_MUX2_SEL_ERR; + } + + ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL], + afe_priv->clocks[MT2701_AUD_AUD2PLL_90M]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, + aud_clks[MT2701_AUD_AUD_MUX2_SEL], + aud_clks[MT2701_AUD_AUD2PLL_90M], ret); + goto A2SYS_CLK_AUD_MUX2_SEL_ERR; + } + + /* Set Divider */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUD_MUX2_DIV], ret); + goto A2SYS_CLK_AUD_MUX2_DIV_ERR; + } + + ret = clk_set_rate(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV], + MT2701_AUD_AUD_MUX2_DIV_RATE); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%d fail %d\n", __func__, + aud_clks[MT2701_AUD_AUD_MUX2_DIV], + MT2701_AUD_AUD_MUX2_DIV_RATE, ret); + goto A2SYS_CLK_AUD_MUX2_DIV_ERR; + } + + /* Enable clock gate */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUD_44K_TIMING], ret); + goto A2SYS_CLK_AUD_44K_ERR; + } + + /* Enable infra audio */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret); + goto A2SYS_CLK_INFRA_ERR; + } + + return 0; + +A2SYS_CLK_INFRA_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); +A2SYS_CLK_AUD_44K_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]); +A2SYS_CLK_AUD_MUX2_DIV_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]); +A2SYS_CLK_AUD_MUX2_SEL_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]); + + return ret; +} + +void mt2701_turn_off_a2sys_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]); +} + +int mt2701_turn_on_afe_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int ret; + + /* enable INFRA_SYS */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret); + goto AFE_AUD_INFRA_ERR; + } + + /* Set MT2701_AUD_AUDINTBUS to MT2701_AUD_SYSPLL1_D4 */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUDINTBUS]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_AUDINTBUS], ret); + goto AFE_AUD_AUDINTBUS_ERR; + } + + ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUDINTBUS], + afe_priv->clocks[MT2701_AUD_SYSPLL1_D4]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, + aud_clks[MT2701_AUD_AUDINTBUS], + aud_clks[MT2701_AUD_SYSPLL1_D4], ret); + goto AFE_AUD_AUDINTBUS_ERR; + } + + /* Set MT2701_AUD_ASM_H_SEL to MT2701_AUD_UNIVPLL2_D2 */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_ASM_H_SEL], ret); + goto AFE_AUD_ASM_H_ERR; + } + + ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_ASM_H_SEL], + afe_priv->clocks[MT2701_AUD_UNIVPLL2_D2]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, + aud_clks[MT2701_AUD_ASM_H_SEL], + aud_clks[MT2701_AUD_UNIVPLL2_D2], ret); + goto AFE_AUD_ASM_H_ERR; + } + + /* Set MT2701_AUD_ASM_M_SEL to MT2701_AUD_UNIVPLL2_D4 */ + ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[MT2701_AUD_ASM_M_SEL], ret); + goto AFE_AUD_ASM_M_ERR; + } + + ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_ASM_M_SEL], + afe_priv->clocks[MT2701_AUD_UNIVPLL2_D4]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, + aud_clks[MT2701_AUD_ASM_M_SEL], + aud_clks[MT2701_AUD_UNIVPLL2_D4], ret); + goto AFE_AUD_ASM_M_ERR; + } + + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUDIO_TOP_CON0_PDN_AFE, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUDIO_TOP_CON0_PDN_APLL_CK, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_A1SYS, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_A2SYS, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_AFE_CONN, 0); + + return 0; + +AFE_AUD_ASM_M_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]); +AFE_AUD_ASM_H_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]); +AFE_AUD_AUDINTBUS_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUDINTBUS]); +AFE_AUD_INFRA_ERR: + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + + return ret; +} + +void mt2701_turn_off_afe_clock(struct mtk_base_afe *afe) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]); + + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUDINTBUS]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]); + clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]); + + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUDIO_TOP_CON0_PDN_AFE, AUDIO_TOP_CON0_PDN_AFE); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUDIO_TOP_CON0_PDN_APLL_CK, + AUDIO_TOP_CON0_PDN_APLL_CK); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_A1SYS, + AUDIO_TOP_CON4_PDN_A1SYS); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_A2SYS, + AUDIO_TOP_CON4_PDN_A2SYS); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_AFE_CONN, + AUDIO_TOP_CON4_PDN_AFE_CONN); +} + +void mt2701_mclk_configuration(struct mtk_base_afe *afe, int id, int domain, + int mclk) +{ + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int ret; + int aud_src_div_id = MT2701_AUD_AUD_K1_SRC_DIV + id; + int aud_src_clk_id = MT2701_AUD_AUD_K1_SRC_SEL + id; + + /* Set MCLK Kx_SRC_SEL(domain) */ + ret = clk_prepare_enable(afe_priv->clocks[aud_src_clk_id]); + if (ret) + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[aud_src_clk_id], ret); + + if (domain == 0) { + ret = clk_set_parent(afe_priv->clocks[aud_src_clk_id], + afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]); + if (ret) + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[aud_src_clk_id], + aud_clks[MT2701_AUD_AUD_MUX1_SEL], ret); + } else { + ret = clk_set_parent(afe_priv->clocks[aud_src_clk_id], + afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]); + if (ret) + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[aud_src_clk_id], + aud_clks[MT2701_AUD_AUD_MUX2_SEL], ret); + } + clk_disable_unprepare(afe_priv->clocks[aud_src_clk_id]); + + /* Set MCLK Kx_SRC_DIV(divider) */ + ret = clk_prepare_enable(afe_priv->clocks[aud_src_div_id]); + if (ret) + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[aud_src_div_id], ret); + + ret = clk_set_rate(afe_priv->clocks[aud_src_div_id], mclk); + if (ret) + dev_err(afe->dev, "%s clk_set_rate %s-%d fail %d\n", __func__, + aud_clks[aud_src_div_id], mclk, ret); + clk_disable_unprepare(afe_priv->clocks[aud_src_div_id]); +} + +MODULE_DESCRIPTION("MT2701 afe clock control"); +MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.h b/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.h new file mode 100644 index 000000000000..6497d570cf09 --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.h @@ -0,0 +1,38 @@ +/* + * mt2701-afe-clock-ctrl.h -- Mediatek 2701 afe clock ctrl definition + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MT2701_AFE_CLOCK_CTRL_H_ +#define _MT2701_AFE_CLOCK_CTRL_H_ + +struct mtk_base_afe; + +int mt2701_init_clock(struct mtk_base_afe *afe); +int mt2701_afe_enable_clock(struct mtk_base_afe *afe); +void mt2701_afe_disable_clock(struct mtk_base_afe *afe); + +int mt2701_turn_on_a1sys_clock(struct mtk_base_afe *afe); +void mt2701_turn_off_a1sys_clock(struct mtk_base_afe *afe); + +int mt2701_turn_on_a2sys_clock(struct mtk_base_afe *afe); +void mt2701_turn_off_a2sys_clock(struct mtk_base_afe *afe); + +int mt2701_turn_on_afe_clock(struct mtk_base_afe *afe); +void mt2701_turn_off_afe_clock(struct mtk_base_afe *afe); + +void mt2701_mclk_configuration(struct mtk_base_afe *afe, int id, int domain, + int mclk); + +#endif diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-common.h b/sound/soc/mediatek/mt2701/mt2701-afe-common.h new file mode 100644 index 000000000000..c19430e98adf --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-afe-common.h @@ -0,0 +1,172 @@ +/* + * mt2701-afe-common.h -- Mediatek 2701 audio driver definitions + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MT_2701_AFE_COMMON_H_ +#define _MT_2701_AFE_COMMON_H_ +#include <sound/soc.h> +#include <linux/clk.h> +#include <linux/regmap.h> +#include "mt2701-reg.h" +#include "../common/mtk-base-afe.h" + +#define MT2701_STREAM_DIR_NUM (SNDRV_PCM_STREAM_LAST + 1) +#define MT2701_PLL_DOMAIN_0_RATE 98304000 +#define MT2701_PLL_DOMAIN_1_RATE 90316800 +#define MT2701_AUD_AUD_MUX1_DIV_RATE (MT2701_PLL_DOMAIN_0_RATE / 2) +#define MT2701_AUD_AUD_MUX2_DIV_RATE (MT2701_PLL_DOMAIN_1_RATE / 2) + +enum { + MT2701_I2S_1, + MT2701_I2S_2, + MT2701_I2S_3, + MT2701_I2S_4, + MT2701_I2S_NUM, +}; + +enum { + MT2701_MEMIF_DL1, + MT2701_MEMIF_DL2, + MT2701_MEMIF_DL3, + MT2701_MEMIF_DL4, + MT2701_MEMIF_DL5, + MT2701_MEMIF_DL_SINGLE_NUM, + MT2701_MEMIF_DLM = MT2701_MEMIF_DL_SINGLE_NUM, + MT2701_MEMIF_UL1, + MT2701_MEMIF_UL2, + MT2701_MEMIF_UL3, + MT2701_MEMIF_UL4, + MT2701_MEMIF_UL5, + MT2701_MEMIF_DLBT, + MT2701_MEMIF_ULBT, + MT2701_MEMIF_NUM, + MT2701_IO_I2S = MT2701_MEMIF_NUM, + MT2701_IO_2ND_I2S, + MT2701_IO_3RD_I2S, + MT2701_IO_4TH_I2S, + MT2701_IO_5TH_I2S, + MT2701_IO_6TH_I2S, + MT2701_IO_MRG, +}; + +enum { + MT2701_IRQ_ASYS_START, + MT2701_IRQ_ASYS_IRQ1 = MT2701_IRQ_ASYS_START, + MT2701_IRQ_ASYS_IRQ2, + MT2701_IRQ_ASYS_IRQ3, + MT2701_IRQ_ASYS_END, +}; + +/* 2701 clock def */ +enum audio_system_clock_type { + MT2701_AUD_INFRA_SYS_AUDIO, + MT2701_AUD_AUD_MUX1_SEL, + MT2701_AUD_AUD_MUX2_SEL, + MT2701_AUD_AUD_MUX1_DIV, + MT2701_AUD_AUD_MUX2_DIV, + MT2701_AUD_AUD_48K_TIMING, + MT2701_AUD_AUD_44K_TIMING, + MT2701_AUD_AUDPLL_MUX_SEL, + MT2701_AUD_APLL_SEL, + MT2701_AUD_AUD1PLL_98M, + MT2701_AUD_AUD2PLL_90M, + MT2701_AUD_HADDS2PLL_98M, + MT2701_AUD_HADDS2PLL_294M, + MT2701_AUD_AUDPLL, + MT2701_AUD_AUDPLL_D4, + MT2701_AUD_AUDPLL_D8, + MT2701_AUD_AUDPLL_D16, + MT2701_AUD_AUDPLL_D24, + MT2701_AUD_AUDINTBUS, + MT2701_AUD_CLK_26M, + MT2701_AUD_SYSPLL1_D4, + MT2701_AUD_AUD_K1_SRC_SEL, + MT2701_AUD_AUD_K2_SRC_SEL, + MT2701_AUD_AUD_K3_SRC_SEL, + MT2701_AUD_AUD_K4_SRC_SEL, + MT2701_AUD_AUD_K5_SRC_SEL, + MT2701_AUD_AUD_K6_SRC_SEL, + MT2701_AUD_AUD_K1_SRC_DIV, + MT2701_AUD_AUD_K2_SRC_DIV, + MT2701_AUD_AUD_K3_SRC_DIV, + MT2701_AUD_AUD_K4_SRC_DIV, + MT2701_AUD_AUD_K5_SRC_DIV, + MT2701_AUD_AUD_K6_SRC_DIV, + MT2701_AUD_AUD_I2S1_MCLK, + MT2701_AUD_AUD_I2S2_MCLK, + MT2701_AUD_AUD_I2S3_MCLK, + MT2701_AUD_AUD_I2S4_MCLK, + MT2701_AUD_AUD_I2S5_MCLK, + MT2701_AUD_AUD_I2S6_MCLK, + MT2701_AUD_ASM_M_SEL, + MT2701_AUD_ASM_H_SEL, + MT2701_AUD_UNIVPLL2_D4, + MT2701_AUD_UNIVPLL2_D2, + MT2701_AUD_SYSPLL_D5, + MT2701_CLOCK_NUM +}; + +static const unsigned int mt2701_afe_backup_list[] = { + AUDIO_TOP_CON0, + AUDIO_TOP_CON4, + AUDIO_TOP_CON5, + ASYS_TOP_CON, + AFE_CONN0, + AFE_CONN1, + AFE_CONN2, + AFE_CONN3, + AFE_CONN15, + AFE_CONN16, + AFE_CONN17, + AFE_CONN18, + AFE_CONN19, + AFE_CONN20, + AFE_CONN21, + AFE_CONN22, + AFE_DAC_CON0, + AFE_MEMIF_PBUF_SIZE, +}; + +struct snd_pcm_substream; +struct mtk_base_irq_data; + +struct mt2701_i2s_data { + int i2s_ctrl_reg; + int i2s_pwn_shift; + int i2s_asrc_fs_shift; + int i2s_asrc_fs_mask; +}; + +enum mt2701_i2s_dir { + I2S_OUT, + I2S_IN, + I2S_DIR_NUM, +}; + +struct mt2701_i2s_path { + int dai_id; + int mclk_rate; + int on[I2S_DIR_NUM]; + int occupied[I2S_DIR_NUM]; + const struct mt2701_i2s_data *i2s_data[2]; +}; + +struct mt2701_afe_private { + struct clk *clocks[MT2701_CLOCK_NUM]; + struct mt2701_i2s_path i2s_path[MT2701_I2S_NUM]; + bool mrg_enable[MT2701_STREAM_DIR_NUM]; +}; + +#endif diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c new file mode 100644 index 000000000000..34a6123480d3 --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c @@ -0,0 +1,1656 @@ +/* + * Mediatek ALSA SoC AFE platform driver for 2701 + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * Ir Lian <ir.lian@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pm_runtime.h> +#include <sound/soc.h> + +#include "mt2701-afe-common.h" + +#include "mt2701-afe-clock-ctrl.h" +#include "../common/mtk-afe-platform-driver.h" +#include "../common/mtk-afe-fe-dai.h" + +#define AFE_IRQ_STATUS_BITS 0xff + +static const struct snd_pcm_hardware mt2701_afe_hardware = { + .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED + | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE, + .period_bytes_min = 1024, + .period_bytes_max = 1024 * 256, + .periods_min = 4, + .periods_max = 1024, + .buffer_bytes_max = 1024 * 1024 * 16, + .fifo_size = 0, +}; + +struct mt2701_afe_rate { + unsigned int rate; + unsigned int regvalue; +}; + +static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = { + { .rate = 8000, .regvalue = 0 }, + { .rate = 12000, .regvalue = 1 }, + { .rate = 16000, .regvalue = 2 }, + { .rate = 24000, .regvalue = 3 }, + { .rate = 32000, .regvalue = 4 }, + { .rate = 48000, .regvalue = 5 }, + { .rate = 96000, .regvalue = 6 }, + { .rate = 192000, .regvalue = 7 }, + { .rate = 384000, .regvalue = 8 }, + { .rate = 7350, .regvalue = 16 }, + { .rate = 11025, .regvalue = 17 }, + { .rate = 14700, .regvalue = 18 }, + { .rate = 22050, .regvalue = 19 }, + { .rate = 29400, .regvalue = 20 }, + { .rate = 44100, .regvalue = 21 }, + { .rate = 88200, .regvalue = 22 }, + { .rate = 176400, .regvalue = 23 }, + { .rate = 352800, .regvalue = 24 }, +}; + +static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num) +{ + int val = num - MT2701_IO_I2S; + + if (val < 0 || val >= MT2701_I2S_NUM) { + dev_err(afe->dev, "%s, num not available, num %d, val %d\n", + __func__, num, val); + return -EINVAL; + } + return val; +} + +static int mt2701_afe_i2s_fs(unsigned int sample_rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++) + if (mt2701_afe_i2s_rates[i].rate == sample_rate) + return mt2701_afe_i2s_rates[i].regvalue; + + return -EINVAL; +} + +static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + int clk_num = MT2701_AUD_AUD_I2S1_MCLK + i2s_num; + int ret = 0; + + if (i2s_num < 0) + return i2s_num; + + /* enable mclk */ + ret = clk_prepare_enable(afe_priv->clocks[clk_num]); + if (ret) + dev_err(afe->dev, "Failed to enable mclk for I2S: %d\n", + i2s_num); + + return ret; +} + +static int mt2701_afe_i2s_path_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai, + int dir_invert) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + struct mt2701_i2s_path *i2s_path; + const struct mt2701_i2s_data *i2s_data; + int stream_dir = substream->stream; + + if (i2s_num < 0) + return i2s_num; + + i2s_path = &afe_priv->i2s_path[i2s_num]; + + if (dir_invert) { + if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) + stream_dir = SNDRV_PCM_STREAM_CAPTURE; + else + stream_dir = SNDRV_PCM_STREAM_PLAYBACK; + } + i2s_data = i2s_path->i2s_data[stream_dir]; + + i2s_path->on[stream_dir]--; + if (i2s_path->on[stream_dir] < 0) { + dev_warn(afe->dev, "i2s_path->on: %d, dir: %d\n", + i2s_path->on[stream_dir], stream_dir); + i2s_path->on[stream_dir] = 0; + } + if (i2s_path->on[stream_dir]) + return 0; + + /* disable i2s */ + regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, + ASYS_I2S_CON_I2S_EN, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + 1 << i2s_data->i2s_pwn_shift, + 1 << i2s_data->i2s_pwn_shift); + return 0; +} + +static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + struct mt2701_i2s_path *i2s_path; + int clk_num = MT2701_AUD_AUD_I2S1_MCLK + i2s_num; + + if (i2s_num < 0) + return; + + i2s_path = &afe_priv->i2s_path[i2s_num]; + + if (i2s_path->occupied[substream->stream]) + i2s_path->occupied[substream->stream] = 0; + else + goto I2S_UNSTART; + + mt2701_afe_i2s_path_shutdown(substream, dai, 0); + + /* need to disable i2s-out path when disable i2s-in */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + mt2701_afe_i2s_path_shutdown(substream, dai, 1); + +I2S_UNSTART: + /* disable mclk */ + clk_disable_unprepare(afe_priv->clocks[clk_num]); +} + +static int mt2701_i2s_path_prepare_enable(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai, + int dir_invert) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + struct mt2701_i2s_path *i2s_path; + const struct mt2701_i2s_data *i2s_data; + struct snd_pcm_runtime * const runtime = substream->runtime; + int reg, fs, w_len = 1; /* now we support bck 64bits only */ + int stream_dir = substream->stream; + unsigned int mask = 0, val = 0; + + if (i2s_num < 0) + return i2s_num; + + i2s_path = &afe_priv->i2s_path[i2s_num]; + + if (dir_invert) { + if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) + stream_dir = SNDRV_PCM_STREAM_CAPTURE; + else + stream_dir = SNDRV_PCM_STREAM_PLAYBACK; + } + i2s_data = i2s_path->i2s_data[stream_dir]; + + /* no need to enable if already done */ + i2s_path->on[stream_dir]++; + + if (i2s_path->on[stream_dir] != 1) + return 0; + + fs = mt2701_afe_i2s_fs(runtime->rate); + + mask = ASYS_I2S_CON_FS | + ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */ + ASYS_I2S_CON_I2S_MODE | + ASYS_I2S_CON_WIDE_MODE; + + val = ASYS_I2S_CON_FS_SET(fs) | + ASYS_I2S_CON_I2S_MODE | + ASYS_I2S_CON_WIDE_MODE_SET(w_len); + + if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) { + mask |= ASYS_I2S_IN_PHASE_FIX; + val |= ASYS_I2S_IN_PHASE_FIX; + } + + regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val); + + if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) + reg = ASMO_TIMING_CON1; + else + reg = ASMI_TIMING_CON1; + + regmap_update_bits(afe->regmap, reg, + i2s_data->i2s_asrc_fs_mask + << i2s_data->i2s_asrc_fs_shift, + fs << i2s_data->i2s_asrc_fs_shift); + + /* enable i2s */ + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + 1 << i2s_data->i2s_pwn_shift, + 0 << i2s_data->i2s_pwn_shift); + + /* reset i2s hw status before enable */ + regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, + ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET); + udelay(1); + regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, + ASYS_I2S_CON_RESET, 0); + udelay(1); + regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, + ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN); + return 0; +} + +static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int clk_domain; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + struct mt2701_i2s_path *i2s_path; + int mclk_rate; + + if (i2s_num < 0) + return i2s_num; + + i2s_path = &afe_priv->i2s_path[i2s_num]; + mclk_rate = i2s_path->mclk_rate; + + if (i2s_path->occupied[substream->stream]) + return -EBUSY; + i2s_path->occupied[substream->stream] = 1; + + if (MT2701_PLL_DOMAIN_0_RATE % mclk_rate == 0) { + clk_domain = 0; + } else if (MT2701_PLL_DOMAIN_1_RATE % mclk_rate == 0) { + clk_domain = 1; + } else { + dev_err(dai->dev, "%s() bad mclk rate %d\n", + __func__, mclk_rate); + return -EINVAL; + } + mt2701_mclk_configuration(afe, i2s_num, clk_domain, mclk_rate); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + mt2701_i2s_path_prepare_enable(substream, dai, 0); + } else { + /* need to enable i2s-out path when enable i2s-in */ + /* prepare for another direction "out" */ + mt2701_i2s_path_prepare_enable(substream, dai, 1); + /* prepare for "in" */ + mt2701_i2s_path_prepare_enable(substream, dai, 0); + } + + return 0; +} + +static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); + + if (i2s_num < 0) + return i2s_num; + + /* mclk */ + if (dir == SND_SOC_CLOCK_IN) { + dev_warn(dai->dev, + "%s() warning: mt2701 doesn't support mclk input\n", + __func__); + return -EINVAL; + } + afe_priv->i2s_path[i2s_num].mclk_rate = freq; + return 0; +} + +static int mt2701_btmrg_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_MRGIF, 0); + + afe_priv->mrg_enable[substream->stream] = 1; + return 0; +} + +static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + int stream_fs; + u32 val, msk; + + stream_fs = params_rate(params); + + if ((stream_fs != 8000) && (stream_fs != 16000)) { + dev_err(afe->dev, "%s() btmgr not supprt this stream_fs %d\n", + __func__, stream_fs); + return -EINVAL; + } + + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_I2S_MODE_MASK, + AFE_MRGIF_CON_I2S_MODE_32K); + + val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY + | AFE_DAIBT_CON0_MRG_USE; + msk = val; + + if (stream_fs == 16000) + val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; + + msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; + + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val); + + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, + AFE_DAIBT_CON0_DAIBT_EN, + AFE_DAIBT_CON0_DAIBT_EN); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_I2S_EN, + AFE_MRGIF_CON_MRG_I2S_EN); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_EN, + AFE_MRGIF_CON_MRG_EN); + return 0; +} + +static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt2701_afe_private *afe_priv = afe->platform_priv; + + /* if the other direction stream is not occupied */ + if (!afe_priv->mrg_enable[!substream->stream]) { + regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, + AFE_DAIBT_CON0_DAIBT_EN, 0); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_EN, 0); + regmap_update_bits(afe->regmap, AFE_MRGIF_CON, + AFE_MRGIF_CON_MRG_I2S_EN, 0); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, + AUDIO_TOP_CON4_PDN_MRGIF, + AUDIO_TOP_CON4_PDN_MRGIF); + } + afe_priv->mrg_enable[substream->stream] = 0; +} + +static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + int stream_dir = substream->stream; + int memif_num = rtd->cpu_dai->id; + struct mtk_base_afe_memif *memif_tmp; + + /* can't run single DL & DLM at the same time */ + if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) { + memif_tmp = &afe->memif[MT2701_MEMIF_DLM]; + if (memif_tmp->substream) { + dev_warn(afe->dev, "%s memif is not available, stream_dir %d, memif_num %d\n", + __func__, stream_dir, memif_num); + return -EBUSY; + } + } + return mtk_afe_fe_startup(substream, dai); +} + +static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + int stream_dir = substream->stream; + + /* single DL use PAIR_INTERLEAVE */ + if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) { + regmap_update_bits(afe->regmap, + AFE_MEMIF_PBUF_SIZE, + AFE_MEMIF_PBUF_SIZE_DLM_MASK, + AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE); + } + return mtk_afe_fe_hw_params(substream, params, dai); +} + +static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif_tmp; + const struct mtk_base_memif_data *memif_data; + int i; + + for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { + memif_tmp = &afe->memif[i]; + if (memif_tmp->substream) + return -EBUSY; + } + + /* enable agent for all signal DL (due to hw design) */ + for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { + memif_data = afe->memif[i].data; + regmap_update_bits(afe->regmap, + memif_data->agent_disable_reg, + 1 << memif_data->agent_disable_shift, + 0 << memif_data->agent_disable_shift); + } + + return mtk_afe_fe_startup(substream, dai); +} + +static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + const struct mtk_base_memif_data *memif_data; + int i; + + for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { + memif_data = afe->memif[i].data; + regmap_update_bits(afe->regmap, + memif_data->agent_disable_reg, + 1 << memif_data->agent_disable_shift, + 1 << memif_data->agent_disable_shift); + } + return mtk_afe_fe_shutdown(substream, dai); +} + +static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + int channels = params_channels(params); + + regmap_update_bits(afe->regmap, + AFE_MEMIF_PBUF_SIZE, + AFE_MEMIF_PBUF_SIZE_DLM_MASK, + AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE); + regmap_update_bits(afe->regmap, + AFE_MEMIF_PBUF_SIZE, + AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK, + AFE_MEMIF_PBUF_SIZE_DLM_32BYTES); + regmap_update_bits(afe->regmap, + AFE_MEMIF_PBUF_SIZE, + AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK, + AFE_MEMIF_PBUF_SIZE_DLM_CH(channels)); + + return mtk_afe_fe_hw_params(substream, params, dai); +} + +static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1]; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg, + 1 << memif_tmp->data->enable_shift, + 1 << memif_tmp->data->enable_shift); + mtk_afe_fe_trigger(substream, cmd, dai); + return 0; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + mtk_afe_fe_trigger(substream, cmd, dai); + regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg, + 1 << memif_tmp->data->enable_shift, 0); + + return 0; + default: + return -EINVAL; + } +} + +static int mt2701_memif_fs(struct snd_pcm_substream *substream, + unsigned int rate) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + int fs; + + if (rtd->cpu_dai->id != MT2701_MEMIF_ULBT) + fs = mt2701_afe_i2s_fs(rate); + else + fs = (rate == 16000 ? 1 : 0); + return fs; +} + +static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate) +{ + return mt2701_afe_i2s_fs(rate); +} + +/* FE DAIs */ +static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = { + .startup = mt2701_simple_fe_startup, + .shutdown = mtk_afe_fe_shutdown, + .hw_params = mt2701_simple_fe_hw_params, + .hw_free = mtk_afe_fe_hw_free, + .prepare = mtk_afe_fe_prepare, + .trigger = mtk_afe_fe_trigger, + +}; + +static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = { + .startup = mt2701_dlm_fe_startup, + .shutdown = mt2701_dlm_fe_shutdown, + .hw_params = mt2701_dlm_fe_hw_params, + .hw_free = mtk_afe_fe_hw_free, + .prepare = mtk_afe_fe_prepare, + .trigger = mt2701_dlm_fe_trigger, +}; + +/* I2S BE DAIs */ +static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = { + .startup = mt2701_afe_i2s_startup, + .shutdown = mt2701_afe_i2s_shutdown, + .prepare = mt2701_afe_i2s_prepare, + .set_sysclk = mt2701_afe_i2s_set_sysclk, +}; + +/* MRG BE DAIs */ +static struct snd_soc_dai_ops mt2701_btmrg_ops = { + .startup = mt2701_btmrg_startup, + .shutdown = mt2701_btmrg_shutdown, + .hw_params = mt2701_btmrg_hw_params, +}; + +static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = { + /* FE DAIs: memory intefaces to CPU */ + { + .name = "PCM_multi", + .id = MT2701_MEMIF_DLM, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .playback = { + .stream_name = "DLM", + .channels_min = 1, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + + }, + .ops = &mt2701_dlm_memif_dai_ops, + }, + { + .name = "PCM0", + .id = MT2701_MEMIF_UL1, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .capture = { + .stream_name = "UL1", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .ops = &mt2701_single_memif_dai_ops, + }, + { + .name = "PCM1", + .id = MT2701_MEMIF_UL2, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .capture = { + .stream_name = "UL2", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + + }, + .ops = &mt2701_single_memif_dai_ops, + }, + { + .name = "PCM_BT_DL", + .id = MT2701_MEMIF_DLBT, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .playback = { + .stream_name = "DLBT", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_single_memif_dai_ops, + }, + { + .name = "PCM_BT_UL", + .id = MT2701_MEMIF_ULBT, + .suspend = mtk_afe_dai_suspend, + .resume = mtk_afe_dai_resume, + .capture = { + .stream_name = "ULBT", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_single_memif_dai_ops, + }, + /* BE DAIs */ + { + .name = "I2S0", + .id = MT2701_IO_I2S, + .playback = { + .stream_name = "I2S0 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + + }, + .capture = { + .stream_name = "I2S0 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + + }, + .ops = &mt2701_afe_i2s_ops, + .symmetric_rates = 1, + }, + { + .name = "I2S1", + .id = MT2701_IO_2ND_I2S, + .playback = { + .stream_name = "I2S1 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .capture = { + .stream_name = "I2S1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .ops = &mt2701_afe_i2s_ops, + .symmetric_rates = 1, + }, + { + .name = "I2S2", + .id = MT2701_IO_3RD_I2S, + .playback = { + .stream_name = "I2S2 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .capture = { + .stream_name = "I2S2 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .ops = &mt2701_afe_i2s_ops, + .symmetric_rates = 1, + }, + { + .name = "I2S3", + .id = MT2701_IO_4TH_I2S, + .playback = { + .stream_name = "I2S3 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .capture = { + .stream_name = "I2S3 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S32_LE) + }, + .ops = &mt2701_afe_i2s_ops, + .symmetric_rates = 1, + }, + { + .name = "MRG BT", + .id = MT2701_IO_MRG, + .playback = { + .stream_name = "BT Playback", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "BT Capture", + .channels_min = 1, + .channels_max = 1, + .rates = (SNDRV_PCM_RATE_8000 + | SNDRV_PCM_RATE_16000), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &mt2701_btmrg_ops, + .symmetric_rates = 1, + } +}; + +static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o23_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I20 Switch", AFE_CONN23, 20, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o24_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I21 Switch", AFE_CONN24, 21, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = { + SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch", + ASYS_I2SO1_CON, 26, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch", + ASYS_I2SO2_CON, 26, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch", + PWR2_TOP_CON, 17, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch", + PWR2_TOP_CON, 18, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s4[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S4 Out Switch", + PWR2_TOP_CON, 19, 1, 0), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc0[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Asrc0 out Switch", AUDIO_TOP_CON4, 14, 1, + 1), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc1[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Asrc1 out Switch", AUDIO_TOP_CON4, 15, 1, + 1), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc2[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Asrc2 out Switch", PWR2_TOP_CON, 6, 1, + 1), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc3[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Asrc3 out Switch", PWR2_TOP_CON, 7, 1, + 1), +}; + +static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc4[] = { + SOC_DAPM_SINGLE_AUTODISABLE("Asrc4 out Switch", PWR2_TOP_CON, 8, 1, + 1), +}; + +static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = { + /* inter-connections */ + SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix, + ARRAY_SIZE(mt2701_afe_i02_mix)), + SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix, + ARRAY_SIZE(mt2701_afe_o00_mix)), + SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix, + ARRAY_SIZE(mt2701_afe_o01_mix)), + SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix, + ARRAY_SIZE(mt2701_afe_o02_mix)), + SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix, + ARRAY_SIZE(mt2701_afe_o03_mix)), + SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix, + ARRAY_SIZE(mt2701_afe_o14_mix)), + SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix, + ARRAY_SIZE(mt2701_afe_o15_mix)), + SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix, + ARRAY_SIZE(mt2701_afe_o16_mix)), + SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix, + ARRAY_SIZE(mt2701_afe_o17_mix)), + SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix, + ARRAY_SIZE(mt2701_afe_o18_mix)), + SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix, + ARRAY_SIZE(mt2701_afe_o19_mix)), + SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix, + ARRAY_SIZE(mt2701_afe_o20_mix)), + SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix, + ARRAY_SIZE(mt2701_afe_o21_mix)), + SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix, + ARRAY_SIZE(mt2701_afe_o22_mix)), + SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix, + ARRAY_SIZE(mt2701_afe_o31_mix)), + + SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_i2s0, + ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)), + SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_i2s1, + ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)), + SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_i2s2, + ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)), + SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_i2s3, + ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)), + + SND_SOC_DAPM_MIXER("ASRC_O0", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_asrc0, + ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc0)), + SND_SOC_DAPM_MIXER("ASRC_O1", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_asrc1, + ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc1)), + SND_SOC_DAPM_MIXER("ASRC_O2", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_asrc2, + ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc2)), + SND_SOC_DAPM_MIXER("ASRC_O3", SND_SOC_NOPM, 0, 0, + mt2701_afe_multi_ch_out_asrc3, + ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc3)), +}; + +static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = { + {"I12", NULL, "DL1"}, + {"I13", NULL, "DL1"}, + {"I35", NULL, "DLBT"}, + + {"I2S0 Playback", NULL, "O15"}, + {"I2S0 Playback", NULL, "O16"}, + + {"I2S1 Playback", NULL, "O17"}, + {"I2S1 Playback", NULL, "O18"}, + {"I2S2 Playback", NULL, "O19"}, + {"I2S2 Playback", NULL, "O20"}, + {"I2S3 Playback", NULL, "O21"}, + {"I2S3 Playback", NULL, "O22"}, + {"BT Playback", NULL, "O31"}, + + {"UL1", NULL, "O00"}, + {"UL1", NULL, "O01"}, + {"UL2", NULL, "O02"}, + {"UL2", NULL, "O03"}, + {"ULBT", NULL, "O14"}, + + {"I00", NULL, "I2S0 Capture"}, + {"I01", NULL, "I2S0 Capture"}, + + {"I02", NULL, "I2S1 Capture"}, + {"I03", NULL, "I2S1 Capture"}, + /* I02,03 link to UL2, also need to open I2S0 */ + {"I02", "I2S0 Switch", "I2S0 Capture"}, + + {"I26", NULL, "BT Capture"}, + + {"ASRC_O0", "Asrc0 out Switch", "DLM"}, + {"ASRC_O1", "Asrc1 out Switch", "DLM"}, + {"ASRC_O2", "Asrc2 out Switch", "DLM"}, + {"ASRC_O3", "Asrc3 out Switch", "DLM"}, + + {"I12I13", "Multich I2S0 Out Switch", "ASRC_O0"}, + {"I14I15", "Multich I2S1 Out Switch", "ASRC_O1"}, + {"I16I17", "Multich I2S2 Out Switch", "ASRC_O2"}, + {"I18I19", "Multich I2S3 Out Switch", "ASRC_O3"}, + + { "I12", NULL, "I12I13" }, + { "I13", NULL, "I12I13" }, + { "I14", NULL, "I14I15" }, + { "I15", NULL, "I14I15" }, + { "I16", NULL, "I16I17" }, + { "I17", NULL, "I16I17" }, + { "I18", NULL, "I18I19" }, + { "I19", NULL, "I18I19" }, + + { "O00", "I00 Switch", "I00" }, + { "O01", "I01 Switch", "I01" }, + { "O02", "I02 Switch", "I02" }, + { "O03", "I03 Switch", "I03" }, + { "O14", "I26 Switch", "I26" }, + { "O15", "I12 Switch", "I12" }, + { "O16", "I13 Switch", "I13" }, + { "O17", "I14 Switch", "I14" }, + { "O18", "I15 Switch", "I15" }, + { "O19", "I16 Switch", "I16" }, + { "O20", "I17 Switch", "I17" }, + { "O21", "I18 Switch", "I18" }, + { "O22", "I19 Switch", "I19" }, + { "O31", "I35 Switch", "I35" }, + +}; + +static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = { + .name = "mt2701-afe-pcm-dai", + .dapm_widgets = mt2701_afe_pcm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets), + .dapm_routes = mt2701_afe_pcm_routes, + .num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes), +}; + +static const struct mtk_base_memif_data memif_data[MT2701_MEMIF_NUM] = { + { + .name = "DL1", + .id = MT2701_MEMIF_DL1, + .reg_ofs_base = AFE_DL1_BASE, + .reg_ofs_cur = AFE_DL1_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 0, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 16, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 1, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 0, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 6, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DL2", + .id = MT2701_MEMIF_DL2, + .reg_ofs_base = AFE_DL2_BASE, + .reg_ofs_cur = AFE_DL2_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 5, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 17, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 2, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 2, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 7, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DL3", + .id = MT2701_MEMIF_DL3, + .reg_ofs_base = AFE_DL3_BASE, + .reg_ofs_cur = AFE_DL3_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 10, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 18, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 3, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 4, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 8, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DL4", + .id = MT2701_MEMIF_DL4, + .reg_ofs_base = AFE_DL4_BASE, + .reg_ofs_cur = AFE_DL4_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 15, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 19, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 4, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 6, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 9, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DL5", + .id = MT2701_MEMIF_DL5, + .reg_ofs_base = AFE_DL5_BASE, + .reg_ofs_cur = AFE_DL5_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 20, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 20, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 5, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 8, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 10, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DLM", + .id = MT2701_MEMIF_DLM, + .reg_ofs_base = AFE_DLMCH_BASE, + .reg_ofs_cur = AFE_DLMCH_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = 0, + .fs_maskbit = 0x1f, + .mono_reg = -1, + .mono_shift = -1, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 7, + .hd_reg = AFE_MEMIF_PBUF_SIZE, + .hd_shift = 28, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 12, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "UL1", + .id = MT2701_MEMIF_UL1, + .reg_ofs_base = AFE_VUL_BASE, + .reg_ofs_cur = AFE_VUL_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 0, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON4, + .mono_shift = 0, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 10, + .hd_reg = AFE_MEMIF_HD_CON1, + .hd_shift = 0, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 0, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "UL2", + .id = MT2701_MEMIF_UL2, + .reg_ofs_base = AFE_UL2_BASE, + .reg_ofs_cur = AFE_UL2_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 5, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON4, + .mono_shift = 2, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 11, + .hd_reg = AFE_MEMIF_HD_CON1, + .hd_shift = 2, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 1, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "UL3", + .id = MT2701_MEMIF_UL3, + .reg_ofs_base = AFE_UL3_BASE, + .reg_ofs_cur = AFE_UL3_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 10, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON4, + .mono_shift = 4, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 12, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 0, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 2, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "UL4", + .id = MT2701_MEMIF_UL4, + .reg_ofs_base = AFE_UL4_BASE, + .reg_ofs_cur = AFE_UL4_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 15, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON4, + .mono_shift = 6, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 13, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 6, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 3, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "UL5", + .id = MT2701_MEMIF_UL5, + .reg_ofs_base = AFE_UL5_BASE, + .reg_ofs_cur = AFE_UL5_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 20, + .mono_reg = AFE_DAC_CON4, + .mono_shift = 8, + .fs_maskbit = 0x1f, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 14, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 8, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 4, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "DLBT", + .id = MT2701_MEMIF_DLBT, + .reg_ofs_base = AFE_ARB1_BASE, + .reg_ofs_cur = AFE_ARB1_CUR, + .fs_reg = AFE_DAC_CON3, + .fs_shift = 10, + .fs_maskbit = 0x1f, + .mono_reg = AFE_DAC_CON3, + .mono_shift = 22, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 8, + .hd_reg = AFE_MEMIF_HD_CON0, + .hd_shift = 14, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 13, + .msb_reg = -1, + .msb_shift = -1, + }, + { + .name = "ULBT", + .id = MT2701_MEMIF_ULBT, + .reg_ofs_base = AFE_DAI_BASE, + .reg_ofs_cur = AFE_DAI_CUR, + .fs_reg = AFE_DAC_CON2, + .fs_shift = 30, + .fs_maskbit = 0x1, + .mono_reg = -1, + .mono_shift = -1, + .enable_reg = AFE_DAC_CON0, + .enable_shift = 17, + .hd_reg = AFE_MEMIF_HD_CON1, + .hd_shift = 20, + .agent_disable_reg = AUDIO_TOP_CON5, + .agent_disable_shift = 16, + .msb_reg = -1, + .msb_shift = -1, + }, +}; + +static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = { + { + .id = MT2701_IRQ_ASYS_IRQ1, + .irq_cnt_reg = ASYS_IRQ1_CON, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0xffffff, + .irq_fs_reg = ASYS_IRQ1_CON, + .irq_fs_shift = 24, + .irq_fs_maskbit = 0x1f, + .irq_en_reg = ASYS_IRQ1_CON, + .irq_en_shift = 31, + .irq_clr_reg = ASYS_IRQ_CLR, + .irq_clr_shift = 0, + }, + { + .id = MT2701_IRQ_ASYS_IRQ2, + .irq_cnt_reg = ASYS_IRQ2_CON, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0xffffff, + .irq_fs_reg = ASYS_IRQ2_CON, + .irq_fs_shift = 24, + .irq_fs_maskbit = 0x1f, + .irq_en_reg = ASYS_IRQ2_CON, + .irq_en_shift = 31, + .irq_clr_reg = ASYS_IRQ_CLR, + .irq_clr_shift = 1, + }, + { + .id = MT2701_IRQ_ASYS_IRQ3, + .irq_cnt_reg = ASYS_IRQ3_CON, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0xffffff, + .irq_fs_reg = ASYS_IRQ3_CON, + .irq_fs_shift = 24, + .irq_fs_maskbit = 0x1f, + .irq_en_reg = ASYS_IRQ3_CON, + .irq_en_shift = 31, + .irq_clr_reg = ASYS_IRQ_CLR, + .irq_clr_shift = 2, + } +}; + +static const struct mt2701_i2s_data mt2701_i2s_data[MT2701_I2S_NUM][2] = { + { + { + .i2s_ctrl_reg = ASYS_I2SO1_CON, + .i2s_pwn_shift = 6, + .i2s_asrc_fs_shift = 0, + .i2s_asrc_fs_mask = 0x1f, + + }, + { + .i2s_ctrl_reg = ASYS_I2SIN1_CON, + .i2s_pwn_shift = 0, + .i2s_asrc_fs_shift = 0, + .i2s_asrc_fs_mask = 0x1f, + + }, + }, + { + { + .i2s_ctrl_reg = ASYS_I2SO2_CON, + .i2s_pwn_shift = 7, + .i2s_asrc_fs_shift = 5, + .i2s_asrc_fs_mask = 0x1f, + + }, + { + .i2s_ctrl_reg = ASYS_I2SIN2_CON, + .i2s_pwn_shift = 1, + .i2s_asrc_fs_shift = 5, + .i2s_asrc_fs_mask = 0x1f, + + }, + }, + { + { + .i2s_ctrl_reg = ASYS_I2SO3_CON, + .i2s_pwn_shift = 8, + .i2s_asrc_fs_shift = 10, + .i2s_asrc_fs_mask = 0x1f, + + }, + { + .i2s_ctrl_reg = ASYS_I2SIN3_CON, + .i2s_pwn_shift = 2, + .i2s_asrc_fs_shift = 10, + .i2s_asrc_fs_mask = 0x1f, + + }, + }, + { + { + .i2s_ctrl_reg = ASYS_I2SO4_CON, + .i2s_pwn_shift = 9, + .i2s_asrc_fs_shift = 15, + .i2s_asrc_fs_mask = 0x1f, + + }, + { + .i2s_ctrl_reg = ASYS_I2SIN4_CON, + .i2s_pwn_shift = 3, + .i2s_asrc_fs_shift = 15, + .i2s_asrc_fs_mask = 0x1f, + + }, + }, +}; + +static const struct regmap_config mt2701_afe_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = AFE_END_ADDR, + .cache_type = REGCACHE_NONE, +}; + +static irqreturn_t mt2701_asys_isr(int irq_id, void *dev) +{ + int id; + struct mtk_base_afe *afe = dev; + struct mtk_base_afe_memif *memif; + struct mtk_base_afe_irq *irq; + u32 status; + + regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status); + regmap_write(afe->regmap, ASYS_IRQ_CLR, status); + + for (id = 0; id < MT2701_MEMIF_NUM; ++id) { + memif = &afe->memif[id]; + if (memif->irq_usage < 0) + continue; + irq = &afe->irqs[memif->irq_usage]; + if (status & 1 << (irq->irq_data->irq_clr_shift)) + snd_pcm_period_elapsed(memif->substream); + } + return IRQ_HANDLED; +} + +static int mt2701_afe_runtime_suspend(struct device *dev) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dev); + + mt2701_afe_disable_clock(afe); + return 0; +} + +static int mt2701_afe_runtime_resume(struct device *dev) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dev); + + return mt2701_afe_enable_clock(afe); +} + +static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev) +{ + int ret, i; + unsigned int irq_id; + struct mtk_base_afe *afe; + struct mt2701_afe_private *afe_priv; + struct resource *res; + struct device *dev; + + ret = 0; + afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL); + if (!afe) + return -ENOMEM; + afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv), + GFP_KERNEL); + if (!afe->platform_priv) + return -ENOMEM; + afe_priv = afe->platform_priv; + + afe->dev = &pdev->dev; + dev = afe->dev; + + irq_id = platform_get_irq(pdev, 0); + if (!irq_id) { + dev_err(dev, "%s no irq found\n", dev->of_node->name); + return -ENXIO; + } + ret = devm_request_irq(dev, irq_id, mt2701_asys_isr, + IRQF_TRIGGER_NONE, "asys-isr", (void *)afe); + if (ret) { + dev_err(dev, "could not request_irq for asys-isr\n"); + return ret; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + afe->base_addr = devm_ioremap_resource(&pdev->dev, res); + + if (IS_ERR(afe->base_addr)) + return PTR_ERR(afe->base_addr); + + afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr, + &mt2701_afe_regmap_config); + if (IS_ERR(afe->regmap)) + return PTR_ERR(afe->regmap); + + mutex_init(&afe->irq_alloc_lock); + + /* memif initialize */ + afe->memif_size = MT2701_MEMIF_NUM; + afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif), + GFP_KERNEL); + + if (!afe->memif) + return -ENOMEM; + + for (i = 0; i < afe->memif_size; i++) { + afe->memif[i].data = &memif_data[i]; + afe->memif[i].irq_usage = -1; + } + + /* irq initialize */ + afe->irqs_size = MT2701_IRQ_ASYS_END; + afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs), + GFP_KERNEL); + + if (!afe->irqs) + return -ENOMEM; + + for (i = 0; i < afe->irqs_size; i++) + afe->irqs[i].irq_data = &irq_data[i]; + + /* I2S initialize */ + for (i = 0; i < MT2701_I2S_NUM; i++) { + afe_priv->i2s_path[i].i2s_data[I2S_OUT] + = &mt2701_i2s_data[i][I2S_OUT]; + afe_priv->i2s_path[i].i2s_data[I2S_IN] + = &mt2701_i2s_data[i][I2S_IN]; + } + + afe->mtk_afe_hardware = &mt2701_afe_hardware; + afe->memif_fs = mt2701_memif_fs; + afe->irq_fs = mt2701_irq_fs; + + afe->reg_back_up_list = mt2701_afe_backup_list; + afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list); + afe->runtime_resume = mt2701_afe_runtime_resume; + afe->runtime_suspend = mt2701_afe_runtime_suspend; + + /* initial audio related clock */ + ret = mt2701_init_clock(afe); + if (ret) { + dev_err(dev, "init clock error\n"); + return ret; + } + + platform_set_drvdata(pdev, afe); + pm_runtime_enable(&pdev->dev); + if (!pm_runtime_enabled(&pdev->dev)) + goto err_pm_disable; + + ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform); + if (ret) { + dev_warn(dev, "err_platform\n"); + goto err_platform; + } + + ret = snd_soc_register_component(&pdev->dev, + &mt2701_afe_pcm_dai_component, + mt2701_afe_pcm_dais, + ARRAY_SIZE(mt2701_afe_pcm_dais)); + if (ret) { + dev_warn(dev, "err_dai_component\n"); + goto err_dai_component; + } + + mt2701_afe_runtime_resume(&pdev->dev); + + return 0; + +err_dai_component: + snd_soc_unregister_component(&pdev->dev); + +err_platform: + snd_soc_unregister_platform(&pdev->dev); + +err_pm_disable: + pm_runtime_disable(&pdev->dev); + + return ret; +} + +static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev) +{ + struct mtk_base_afe *afe = platform_get_drvdata(pdev); + + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + mt2701_afe_runtime_suspend(&pdev->dev); + + snd_soc_unregister_component(&pdev->dev); + snd_soc_unregister_platform(&pdev->dev); + /* disable afe clock */ + mt2701_afe_disable_clock(afe); + return 0; +} + +static const struct of_device_id mt2701_afe_pcm_dt_match[] = { + { .compatible = "mediatek,mt2701-audio", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match); + +static const struct dev_pm_ops mt2701_afe_pm_ops = { + SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend, + mt2701_afe_runtime_resume, NULL) +}; + +static struct platform_driver mt2701_afe_pcm_driver = { + .driver = { + .name = "mt2701-audio", + .of_match_table = mt2701_afe_pcm_dt_match, +#ifdef CONFIG_PM + .pm = &mt2701_afe_pm_ops, +#endif + }, + .probe = mt2701_afe_pcm_dev_probe, + .remove = mt2701_afe_pcm_dev_remove, +}; + +module_platform_driver(mt2701_afe_pcm_driver); + +MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701"); +MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>"); +MODULE_LICENSE("GPL v2"); + diff --git a/sound/soc/mediatek/mt2701/mt2701-cs42448.c b/sound/soc/mediatek/mt2701/mt2701-cs42448.c new file mode 100644 index 000000000000..1e7e8d43fd8a --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-cs42448.c @@ -0,0 +1,412 @@ +/* + * mt2701-cs42448.c -- MT2701 CS42448 ALSA SoC machine driver + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Ir Lian <ir.lian@mediatek.com> + * Garlic Tseng <garlic.tseng@mediatek.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <sound/soc.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/pinctrl/consumer.h> +#include <linux/of_gpio.h> + +#include "mt2701-afe-common.h" + +struct mt2701_cs42448_private { + int i2s1_in_mux; + int i2s1_in_mux_gpio_sel_1; + int i2s1_in_mux_gpio_sel_2; +}; + +static const char * const i2sin_mux_switch_text[] = { + "ADC_SDOUT2", + "ADC_SDOUT3", + "I2S_IN_1", + "I2S_IN_2", +}; + +static const struct soc_enum i2sin_mux_enum = + SOC_ENUM_SINGLE_EXT(4, i2sin_mux_switch_text); + +static int mt2701_cs42448_i2sin1_mux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct mt2701_cs42448_private *priv = snd_soc_card_get_drvdata(card); + + ucontrol->value.integer.value[0] = priv->i2s1_in_mux; + return 0; +} + +static int mt2701_cs42448_i2sin1_mux_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct mt2701_cs42448_private *priv = snd_soc_card_get_drvdata(card); + + if (ucontrol->value.integer.value[0] == priv->i2s1_in_mux) + return 0; + + switch (ucontrol->value.integer.value[0]) { + case 0: + gpio_set_value(priv->i2s1_in_mux_gpio_sel_1, 0); + gpio_set_value(priv->i2s1_in_mux_gpio_sel_2, 0); + break; + case 1: + gpio_set_value(priv->i2s1_in_mux_gpio_sel_1, 1); + gpio_set_value(priv->i2s1_in_mux_gpio_sel_2, 0); + break; + case 2: + gpio_set_value(priv->i2s1_in_mux_gpio_sel_1, 0); + gpio_set_value(priv->i2s1_in_mux_gpio_sel_2, 1); + break; + case 3: + gpio_set_value(priv->i2s1_in_mux_gpio_sel_1, 1); + gpio_set_value(priv->i2s1_in_mux_gpio_sel_2, 1); + break; + default: + dev_warn(card->dev, "%s invalid setting\n", __func__); + } + + priv->i2s1_in_mux = ucontrol->value.integer.value[0]; + return 0; +} + +static const struct snd_soc_dapm_widget + mt2701_cs42448_asoc_card_dapm_widgets[] = { + SND_SOC_DAPM_LINE("Line Out Jack", NULL), + SND_SOC_DAPM_MIC("AMIC", NULL), + SND_SOC_DAPM_LINE("Tuner In", NULL), + SND_SOC_DAPM_LINE("Satellite Tuner In", NULL), + SND_SOC_DAPM_LINE("AUX In", NULL), +}; + +static const struct snd_kcontrol_new mt2701_cs42448_controls[] = { + SOC_DAPM_PIN_SWITCH("Line Out Jack"), + SOC_DAPM_PIN_SWITCH("AMIC"), + SOC_DAPM_PIN_SWITCH("Tuner In"), + SOC_DAPM_PIN_SWITCH("Satellite Tuner In"), + SOC_DAPM_PIN_SWITCH("AUX In"), + SOC_ENUM_EXT("I2SIN1_MUX_Switch", i2sin_mux_enum, + mt2701_cs42448_i2sin1_mux_get, + mt2701_cs42448_i2sin1_mux_set), +}; + +static const unsigned int mt2701_cs42448_sampling_rates[] = {48000}; + +static struct snd_pcm_hw_constraint_list mt2701_cs42448_constraints_rates = { + .count = ARRAY_SIZE(mt2701_cs42448_sampling_rates), + .list = mt2701_cs42448_sampling_rates, + .mask = 0, +}; + +static int mt2701_cs42448_fe_ops_startup(struct snd_pcm_substream *substream) +{ + int err; + + err = snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &mt2701_cs42448_constraints_rates); + if (err < 0) { + dev_err(substream->pcm->card->dev, + "%s snd_pcm_hw_constraint_list failed: 0x%x\n", + __func__, err); + return err; + } + return 0; +} + +static struct snd_soc_ops mt2701_cs42448_48k_fe_ops = { + .startup = mt2701_cs42448_fe_ops_startup, +}; + +static int mt2701_cs42448_be_ops_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + unsigned int mclk_rate; + unsigned int rate = params_rate(params); + unsigned int div_mclk_over_bck = rate > 192000 ? 2 : 4; + unsigned int div_bck_over_lrck = 64; + + mclk_rate = rate * div_bck_over_lrck * div_mclk_over_bck; + + /* mt2701 mclk */ + snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate, SND_SOC_CLOCK_OUT); + + /* codec mclk */ + snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN); + + return 0; +} + +static struct snd_soc_ops mt2701_cs42448_be_ops = { + .hw_params = mt2701_cs42448_be_ops_hw_params +}; + +enum { + DAI_LINK_FE_MULTI_CH_OUT, + DAI_LINK_FE_PCM0_IN, + DAI_LINK_FE_PCM1_IN, + DAI_LINK_FE_BT_OUT, + DAI_LINK_FE_BT_IN, + DAI_LINK_BE_I2S0, + DAI_LINK_BE_I2S1, + DAI_LINK_BE_I2S2, + DAI_LINK_BE_I2S3, + DAI_LINK_BE_MRG_BT, +}; + +static struct snd_soc_dai_link mt2701_cs42448_dai_links[] = { + /* FE */ + [DAI_LINK_FE_MULTI_CH_OUT] = { + .name = "mt2701-cs42448-multi-ch-out", + .stream_name = "mt2701-cs42448-multi-ch-out", + .cpu_dai_name = "PCM_multi", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .ops = &mt2701_cs42448_48k_fe_ops, + .dynamic = 1, + .dpcm_playback = 1, + }, + [DAI_LINK_FE_PCM0_IN] = { + .name = "mt2701-cs42448-pcm0", + .stream_name = "mt2701-cs42448-pcm0-data-UL", + .cpu_dai_name = "PCM0", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .ops = &mt2701_cs42448_48k_fe_ops, + .dynamic = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_FE_PCM1_IN] = { + .name = "mt2701-cs42448-pcm1-data-UL", + .stream_name = "mt2701-cs42448-pcm1-data-UL", + .cpu_dai_name = "PCM1", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .ops = &mt2701_cs42448_48k_fe_ops, + .dynamic = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_FE_BT_OUT] = { + .name = "mt2701-cs42448-pcm-BT-out", + .stream_name = "mt2701-cs42448-pcm-BT", + .cpu_dai_name = "PCM_BT_DL", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .dpcm_playback = 1, + }, + [DAI_LINK_FE_BT_IN] = { + .name = "mt2701-cs42448-pcm-BT-in", + .stream_name = "mt2701-cs42448-pcm-BT", + .cpu_dai_name = "PCM_BT_UL", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .dpcm_capture = 1, + }, + /* BE */ + [DAI_LINK_BE_I2S0] = { + .name = "mt2701-cs42448-I2S0", + .cpu_dai_name = "I2S0", + .no_pcm = 1, + .codec_dai_name = "cs42448", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS + | SND_SOC_DAIFMT_GATED, + .ops = &mt2701_cs42448_be_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_BE_I2S1] = { + .name = "mt2701-cs42448-I2S1", + .cpu_dai_name = "I2S1", + .no_pcm = 1, + .codec_dai_name = "cs42448", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS + | SND_SOC_DAIFMT_GATED, + .ops = &mt2701_cs42448_be_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_BE_I2S2] = { + .name = "mt2701-cs42448-I2S2", + .cpu_dai_name = "I2S2", + .no_pcm = 1, + .codec_dai_name = "cs42448", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS + | SND_SOC_DAIFMT_GATED, + .ops = &mt2701_cs42448_be_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_BE_I2S3] = { + .name = "mt2701-cs42448-I2S3", + .cpu_dai_name = "I2S3", + .no_pcm = 1, + .codec_dai_name = "cs42448", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS + | SND_SOC_DAIFMT_GATED, + .ops = &mt2701_cs42448_be_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + [DAI_LINK_BE_MRG_BT] = { + .name = "mt2701-cs42448-MRG-BT", + .cpu_dai_name = "MRG BT", + .no_pcm = 1, + .codec_dai_name = "bt-sco-pcm-wb", + .dpcm_playback = 1, + .dpcm_capture = 1, + }, +}; + +static struct snd_soc_card mt2701_cs42448_soc_card = { + .name = "mt2701-cs42448", + .owner = THIS_MODULE, + .dai_link = mt2701_cs42448_dai_links, + .num_links = ARRAY_SIZE(mt2701_cs42448_dai_links), + .controls = mt2701_cs42448_controls, + .num_controls = ARRAY_SIZE(mt2701_cs42448_controls), + .dapm_widgets = mt2701_cs42448_asoc_card_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt2701_cs42448_asoc_card_dapm_widgets), +}; + +static int mt2701_cs42448_machine_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &mt2701_cs42448_soc_card; + int ret; + int i; + struct device_node *platform_node, *codec_node, *codec_node_bt_mrg; + struct mt2701_cs42448_private *priv = + devm_kzalloc(&pdev->dev, sizeof(struct mt2701_cs42448_private), + GFP_KERNEL); + struct device *dev = &pdev->dev; + + if (!priv) + return -ENOMEM; + + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + for (i = 0; i < card->num_links; i++) { + if (mt2701_cs42448_dai_links[i].platform_name) + continue; + mt2701_cs42448_dai_links[i].platform_of_node = platform_node; + } + + card->dev = dev; + + codec_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,audio-codec", 0); + if (!codec_node) { + dev_err(&pdev->dev, + "Property 'audio-codec' missing or invalid\n"); + return -EINVAL; + } + for (i = 0; i < card->num_links; i++) { + if (mt2701_cs42448_dai_links[i].codec_name) + continue; + mt2701_cs42448_dai_links[i].codec_of_node = codec_node; + } + + codec_node_bt_mrg = of_parse_phandle(pdev->dev.of_node, + "mediatek,audio-codec-bt-mrg", 0); + if (!codec_node_bt_mrg) { + dev_err(&pdev->dev, + "Property 'audio-codec-bt-mrg' missing or invalid\n"); + return -EINVAL; + } + mt2701_cs42448_dai_links[DAI_LINK_BE_MRG_BT].codec_of_node + = codec_node_bt_mrg; + + ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); + if (ret) { + dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); + return ret; + } + + priv->i2s1_in_mux_gpio_sel_1 = + of_get_named_gpio(dev->of_node, "i2s1-in-sel-gpio1", 0); + if (gpio_is_valid(priv->i2s1_in_mux_gpio_sel_1)) { + ret = devm_gpio_request(dev, priv->i2s1_in_mux_gpio_sel_1, + "i2s1_in_mux_gpio_sel_1"); + if (ret) + dev_warn(&pdev->dev, "%s devm_gpio_request fail %d\n", + __func__, ret); + gpio_direction_output(priv->i2s1_in_mux_gpio_sel_1, 0); + } + + priv->i2s1_in_mux_gpio_sel_2 = + of_get_named_gpio(dev->of_node, "i2s1-in-sel-gpio2", 0); + if (gpio_is_valid(priv->i2s1_in_mux_gpio_sel_2)) { + ret = devm_gpio_request(dev, priv->i2s1_in_mux_gpio_sel_2, + "i2s1_in_mux_gpio_sel_2"); + if (ret) + dev_warn(&pdev->dev, "%s devm_gpio_request fail2 %d\n", + __func__, ret); + gpio_direction_output(priv->i2s1_in_mux_gpio_sel_2, 0); + } + snd_soc_card_set_drvdata(card, priv); + + ret = devm_snd_soc_register_card(&pdev->dev, card); + + if (ret) + dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", + __func__, ret); + return ret; +} + +#ifdef CONFIG_OF +static const struct of_device_id mt2701_cs42448_machine_dt_match[] = { + {.compatible = "mediatek,mt2701-cs42448-machine",}, + {} +}; +#endif + +static struct platform_driver mt2701_cs42448_machine = { + .driver = { + .name = "mt2701-cs42448", + #ifdef CONFIG_OF + .of_match_table = mt2701_cs42448_machine_dt_match, + #endif + }, + .probe = mt2701_cs42448_machine_probe, +}; + +module_platform_driver(mt2701_cs42448_machine); + +/* Module information */ +MODULE_DESCRIPTION("MT2701 CS42448 ALSA SoC machine driver"); +MODULE_AUTHOR("Ir Lian <ir.lian@mediatek.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("mt2701 cs42448 soc card"); diff --git a/sound/soc/mediatek/mt2701/mt2701-reg.h b/sound/soc/mediatek/mt2701/mt2701-reg.h new file mode 100644 index 000000000000..bb62b1c55957 --- /dev/null +++ b/sound/soc/mediatek/mt2701/mt2701-reg.h @@ -0,0 +1,186 @@ +/* + * mt2701-reg.h -- Mediatek 2701 audio driver reg definition + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Garlic Tseng <garlic.tseng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MT2701_REG_H_ +#define _MT2701_REG_H_ + +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pm_runtime.h> +#include <sound/soc.h> +#include "mt2701-afe-common.h" + +/***************************************************************************** + * R E G I S T E R D E F I N I T I O N + *****************************************************************************/ +#define AUDIO_TOP_CON0 0x0000 +#define AUDIO_TOP_CON4 0x0010 +#define AUDIO_TOP_CON5 0x0014 +#define AFE_DAIBT_CON0 0x001c +#define AFE_MRGIF_CON 0x003c +#define ASMI_TIMING_CON1 0x0100 +#define ASMO_TIMING_CON1 0x0104 +#define PWR1_ASM_CON1 0x0108 +#define ASYS_TOP_CON 0x0600 +#define ASYS_I2SIN1_CON 0x0604 +#define ASYS_I2SIN2_CON 0x0608 +#define ASYS_I2SIN3_CON 0x060c +#define ASYS_I2SIN4_CON 0x0610 +#define ASYS_I2SIN5_CON 0x0614 +#define ASYS_I2SO1_CON 0x061C +#define ASYS_I2SO2_CON 0x0620 +#define ASYS_I2SO3_CON 0x0624 +#define ASYS_I2SO4_CON 0x0628 +#define ASYS_I2SO5_CON 0x062c +#define PWR2_TOP_CON 0x0634 +#define AFE_CONN0 0x06c0 +#define AFE_CONN1 0x06c4 +#define AFE_CONN2 0x06c8 +#define AFE_CONN3 0x06cc +#define AFE_CONN14 0x06f8 +#define AFE_CONN15 0x06fc +#define AFE_CONN16 0x0700 +#define AFE_CONN17 0x0704 +#define AFE_CONN18 0x0708 +#define AFE_CONN19 0x070c +#define AFE_CONN20 0x0710 +#define AFE_CONN21 0x0714 +#define AFE_CONN22 0x0718 +#define AFE_CONN23 0x071c +#define AFE_CONN24 0x0720 +#define AFE_CONN41 0x0764 +#define ASYS_IRQ1_CON 0x0780 +#define ASYS_IRQ2_CON 0x0784 +#define ASYS_IRQ3_CON 0x0788 +#define ASYS_IRQ_CLR 0x07c0 +#define ASYS_IRQ_STATUS 0x07c4 +#define PWR2_ASM_CON1 0x1070 +#define AFE_DAC_CON0 0x1200 +#define AFE_DAC_CON1 0x1204 +#define AFE_DAC_CON2 0x1208 +#define AFE_DAC_CON3 0x120c +#define AFE_DAC_CON4 0x1210 +#define AFE_MEMIF_HD_CON1 0x121c +#define AFE_MEMIF_PBUF_SIZE 0x1238 +#define AFE_MEMIF_HD_CON0 0x123c +#define AFE_DL1_BASE 0x1240 +#define AFE_DL1_CUR 0x1244 +#define AFE_DL2_BASE 0x1250 +#define AFE_DL2_CUR 0x1254 +#define AFE_DL3_BASE 0x1260 +#define AFE_DL3_CUR 0x1264 +#define AFE_DL4_BASE 0x1270 +#define AFE_DL4_CUR 0x1274 +#define AFE_DL5_BASE 0x1280 +#define AFE_DL5_CUR 0x1284 +#define AFE_DLMCH_BASE 0x12a0 +#define AFE_DLMCH_CUR 0x12a4 +#define AFE_ARB1_BASE 0x12b0 +#define AFE_ARB1_CUR 0x12b4 +#define AFE_VUL_BASE 0x1300 +#define AFE_VUL_CUR 0x130c +#define AFE_UL2_BASE 0x1310 +#define AFE_UL2_END 0x1318 +#define AFE_UL2_CUR 0x131c +#define AFE_UL3_BASE 0x1320 +#define AFE_UL3_END 0x1328 +#define AFE_UL3_CUR 0x132c +#define AFE_UL4_BASE 0x1330 +#define AFE_UL4_END 0x1338 +#define AFE_UL4_CUR 0x133c +#define AFE_UL5_BASE 0x1340 +#define AFE_UL5_END 0x1348 +#define AFE_UL5_CUR 0x134c +#define AFE_DAI_BASE 0x1370 +#define AFE_DAI_CUR 0x137c + +/* AUDIO_TOP_CON0 (0x0000) */ +#define AUDIO_TOP_CON0_A1SYS_A2SYS_ON (0x3 << 0) +#define AUDIO_TOP_CON0_PDN_AFE (0x1 << 2) +#define AUDIO_TOP_CON0_PDN_APLL_CK (0x1 << 23) + +/* AUDIO_TOP_CON4 (0x0010) */ +#define AUDIO_TOP_CON4_I2SO1_PWN (0x1 << 6) +#define AUDIO_TOP_CON4_PDN_A1SYS (0x1 << 21) +#define AUDIO_TOP_CON4_PDN_A2SYS (0x1 << 22) +#define AUDIO_TOP_CON4_PDN_AFE_CONN (0x1 << 23) +#define AUDIO_TOP_CON4_PDN_MRGIF (0x1 << 25) + +/* AFE_DAIBT_CON0 (0x001c) */ +#define AFE_DAIBT_CON0_DAIBT_EN (0x1 << 0) +#define AFE_DAIBT_CON0_BT_FUNC_EN (0x1 << 1) +#define AFE_DAIBT_CON0_BT_FUNC_RDY (0x1 << 3) +#define AFE_DAIBT_CON0_BT_WIDE_MODE_EN (0x1 << 9) +#define AFE_DAIBT_CON0_MRG_USE (0x1 << 12) + +/* PWR1_ASM_CON1 (0x0108) */ +#define PWR1_ASM_CON1_INIT_VAL (0x492) + +/* AFE_MRGIF_CON (0x003c) */ +#define AFE_MRGIF_CON_MRG_EN (0x1 << 0) +#define AFE_MRGIF_CON_MRG_I2S_EN (0x1 << 16) +#define AFE_MRGIF_CON_I2S_MODE_MASK (0xf << 20) +#define AFE_MRGIF_CON_I2S_MODE_32K (0x4 << 20) + +/* ASYS_I2SO1_CON (0x061c) */ +#define ASYS_I2SO1_CON_FS (0x1f << 8) +#define ASYS_I2SO1_CON_FS_SET(x) ((x) << 8) +#define ASYS_I2SO1_CON_MULTI_CH (0x1 << 16) +#define ASYS_I2SO1_CON_SIDEGEN (0x1 << 30) +#define ASYS_I2SO1_CON_I2S_EN (0x1 << 0) +/* 0:EIAJ 1:I2S */ +#define ASYS_I2SO1_CON_I2S_MODE (0x1 << 3) +#define ASYS_I2SO1_CON_WIDE_MODE (0x1 << 1) +#define ASYS_I2SO1_CON_WIDE_MODE_SET(x) ((x) << 1) + +/* PWR2_TOP_CON (0x0634) */ +#define PWR2_TOP_CON_INIT_VAL (0xffe1ffff) + +/* ASYS_IRQ_CLR (0x07c0) */ +#define ASYS_IRQ_CLR_ALL (0xffffffff) + +/* PWR2_ASM_CON1 (0x1070) */ +#define PWR2_ASM_CON1_INIT_VAL (0x492492) + +/* AFE_DAC_CON0 (0x1200) */ +#define AFE_DAC_CON0_AFE_ON (0x1 << 0) + +/* AFE_MEMIF_PBUF_SIZE (0x1238) */ +#define AFE_MEMIF_PBUF_SIZE_DLM_MASK (0x1 << 29) +#define AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE (0x0 << 29) +#define AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE (0x1 << 29) +#define DLMCH_BIT_WIDTH_MASK (0x1 << 28) +#define AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK (0xf << 24) +#define AFE_MEMIF_PBUF_SIZE_DLM_CH(x) ((x) << 24) +#define AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK (0x3 << 12) +#define AFE_MEMIF_PBUF_SIZE_DLM_32BYTES (0x1 << 12) + +/* I2S in/out register bit control */ +#define ASYS_I2S_CON_FS (0x1f << 8) +#define ASYS_I2S_CON_FS_SET(x) ((x) << 8) +#define ASYS_I2S_CON_RESET (0x1 << 30) +#define ASYS_I2S_CON_I2S_EN (0x1 << 0) +#define ASYS_I2S_CON_I2S_COUPLE_MODE (0x1 << 17) +/* 0:EIAJ 1:I2S */ +#define ASYS_I2S_CON_I2S_MODE (0x1 << 3) +#define ASYS_I2S_CON_WIDE_MODE (0x1 << 1) +#define ASYS_I2S_CON_WIDE_MODE_SET(x) ((x) << 1) +#define ASYS_I2S_IN_PHASE_FIX (0x1 << 31) + +#define AFE_END_ADDR 0x15e0 +#endif diff --git a/sound/soc/mediatek/mt8173/Makefile b/sound/soc/mediatek/mt8173/Makefile new file mode 100644 index 000000000000..0357b27d29f2 --- /dev/null +++ b/sound/soc/mediatek/mt8173/Makefile @@ -0,0 +1,7 @@ +# MTK Platform Support +obj-$(CONFIG_SND_SOC_MT8173) += mt8173-afe-pcm.o +# Machine support +obj-$(CONFIG_SND_SOC_MT8173_MAX98090) += mt8173-max98090.o +obj-$(CONFIG_SND_SOC_MT8173_RT5650) += mt8173-rt5650.o +obj-$(CONFIG_SND_SOC_MT8173_RT5650_RT5514) += mt8173-rt5650-rt5514.o +obj-$(CONFIG_SND_SOC_MT8173_RT5650_RT5676) += mt8173-rt5650-rt5676.o diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-common.h b/sound/soc/mediatek/mt8173/mt8173-afe-common.h new file mode 100644 index 000000000000..9a4837cc181a --- /dev/null +++ b/sound/soc/mediatek/mt8173/mt8173-afe-common.h @@ -0,0 +1,73 @@ +/* + * mt8173_afe_common.h -- Mediatek 8173 audio driver common definitions + * + * Copyright (c) 2015 MediaTek Inc. + * Author: Koro Chen <koro.chen@mediatek.com> + * Sascha Hauer <s.hauer@pengutronix.de> + * Hidalgo Huang <hidalgo.huang@mediatek.com> + * Ir Lian <ir.lian@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MT8173_AFE_COMMON_H_ +#define _MT8173_AFE_COMMON_H_ + +#include <linux/clk.h> +#include <linux/regmap.h> + +enum { + MT8173_AFE_MEMIF_DL1, + MT8173_AFE_MEMIF_DL2, + MT8173_AFE_MEMIF_VUL, + MT8173_AFE_MEMIF_DAI, + MT8173_AFE_MEMIF_AWB, + MT8173_AFE_MEMIF_MOD_DAI, + MT8173_AFE_MEMIF_HDMI, + MT8173_AFE_MEMIF_NUM, + MT8173_AFE_IO_MOD_PCM1 = MT8173_AFE_MEMIF_NUM, + MT8173_AFE_IO_MOD_PCM2, + MT8173_AFE_IO_PMIC, + MT8173_AFE_IO_I2S, + MT8173_AFE_IO_2ND_I2S, + MT8173_AFE_IO_HW_GAIN1, + MT8173_AFE_IO_HW_GAIN2, + MT8173_AFE_IO_MRG_O, + MT8173_AFE_IO_MRG_I, + MT8173_AFE_IO_DAIBT, + MT8173_AFE_IO_HDMI, +}; + +enum { + MT8173_AFE_IRQ_DL1, + MT8173_AFE_IRQ_DL2, + MT8173_AFE_IRQ_VUL, + MT8173_AFE_IRQ_DAI, + MT8173_AFE_IRQ_AWB, + MT8173_AFE_IRQ_MOD_DAI, + MT8173_AFE_IRQ_HDMI, + MT8173_AFE_IRQ_NUM, +}; + +enum { + MT8173_CLK_INFRASYS_AUD, + MT8173_CLK_TOP_PDN_AUD, + MT8173_CLK_TOP_PDN_AUD_BUS, + MT8173_CLK_I2S0_M, + MT8173_CLK_I2S1_M, + MT8173_CLK_I2S2_M, + MT8173_CLK_I2S3_M, + MT8173_CLK_I2S3_B, + MT8173_CLK_BCK0, + MT8173_CLK_BCK1, + MT8173_CLK_NUM +}; + +#endif diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c index 2b5df2ef51a3..8a643a35d3d4 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c @@ -1,5 +1,5 @@ /* - * Mediatek ALSA SoC AFE platform driver + * Mediatek 8173 ALSA SoC AFE platform driver * * Copyright (c) 2015 MediaTek Inc. * Author: Koro Chen <koro.chen@mediatek.com> @@ -24,7 +24,10 @@ #include <linux/dma-mapping.h> #include <linux/pm_runtime.h> #include <sound/soc.h> -#include "mtk-afe-common.h" +#include "mt8173-afe-common.h" +#include "../common/mtk-base-afe.h" +#include "../common/mtk-afe-platform-driver.h" +#include "../common/mtk-afe-fe-dai.h" /***************************************************************************** * R E G I S T E R D E F I N I T I O N @@ -81,7 +84,6 @@ #define AFE_TDM_CON1 0x0548 #define AFE_TDM_CON2 0x054c -#define AFE_BASE_END_OFFSET 8 #define AFE_IRQ_STATUS_BITS 0xff /* AUDIO_TOP_CON0 (0x0000) */ @@ -135,7 +137,7 @@ enum afe_tdm_ch_start { AFE_TDM_CH_ZERO, }; -static const unsigned int mtk_afe_backup_list[] = { +static const unsigned int mt8173_afe_backup_list[] = { AUDIO_TOP_CON0, AFE_CONN1, AFE_CONN2, @@ -152,18 +154,11 @@ static const unsigned int mtk_afe_backup_list[] = { AFE_DAC_CON0, }; -struct mtk_afe { - /* address for ioremap audio hardware register */ - void __iomem *base_addr; - struct device *dev; - struct regmap *regmap; - struct mtk_afe_memif memif[MTK_AFE_MEMIF_NUM]; - struct clk *clocks[MTK_CLK_NUM]; - unsigned int backup_regs[ARRAY_SIZE(mtk_afe_backup_list)]; - bool suspended; +struct mt8173_afe_private { + struct clk *clocks[MT8173_CLK_NUM]; }; -static const struct snd_pcm_hardware mtk_afe_hardware = { +static const struct snd_pcm_hardware mt8173_afe_hardware = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), .buffer_bytes_max = 256 * 1024, @@ -174,59 +169,12 @@ static const struct snd_pcm_hardware mtk_afe_hardware = { .fifo_size = 0, }; -static snd_pcm_uframes_t mtk_afe_pcm_pointer - (struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - unsigned int hw_ptr; - int ret; - - ret = regmap_read(afe->regmap, memif->data->reg_ofs_cur, &hw_ptr); - if (ret || hw_ptr == 0) { - dev_err(afe->dev, "%s hw_ptr err\n", __func__); - hw_ptr = memif->phys_buf_addr; - } - - return bytes_to_frames(substream->runtime, - hw_ptr - memif->phys_buf_addr); -} - -static const struct snd_pcm_ops mtk_afe_pcm_ops = { - .ioctl = snd_pcm_lib_ioctl, - .pointer = mtk_afe_pcm_pointer, -}; - -static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd) -{ - size_t size; - struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - - size = mtk_afe_hardware.buffer_bytes_max; - - return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - card->dev, size, size); -} - -static void mtk_afe_pcm_free(struct snd_pcm *pcm) -{ - snd_pcm_lib_preallocate_free_for_all(pcm); -} - -static const struct snd_soc_platform_driver mtk_afe_pcm_platform = { - .ops = &mtk_afe_pcm_ops, - .pcm_new = mtk_afe_pcm_new, - .pcm_free = mtk_afe_pcm_free, -}; - -struct mtk_afe_rate { +struct mt8173_afe_rate { unsigned int rate; unsigned int regvalue; }; -static const struct mtk_afe_rate mtk_afe_i2s_rates[] = { +static const struct mt8173_afe_rate mt8173_afe_i2s_rates[] = { { .rate = 8000, .regvalue = 0 }, { .rate = 11025, .regvalue = 1 }, { .rate = 12000, .regvalue = 2 }, @@ -242,21 +190,21 @@ static const struct mtk_afe_rate mtk_afe_i2s_rates[] = { { .rate = 192000, .regvalue = 14 }, }; -static int mtk_afe_i2s_fs(unsigned int sample_rate) +static int mt8173_afe_i2s_fs(unsigned int sample_rate) { int i; - for (i = 0; i < ARRAY_SIZE(mtk_afe_i2s_rates); i++) - if (mtk_afe_i2s_rates[i].rate == sample_rate) - return mtk_afe_i2s_rates[i].regvalue; + for (i = 0; i < ARRAY_SIZE(mt8173_afe_i2s_rates); i++) + if (mt8173_afe_i2s_rates[i].rate == sample_rate) + return mt8173_afe_i2s_rates[i].regvalue; return -EINVAL; } -static int mtk_afe_set_i2s(struct mtk_afe *afe, unsigned int rate) +static int mt8173_afe_set_i2s(struct mtk_base_afe *afe, unsigned int rate) { unsigned int val; - int fs = mtk_afe_i2s_fs(rate); + int fs = mt8173_afe_i2s_fs(rate); if (fs < 0) return -EINVAL; @@ -281,7 +229,7 @@ static int mtk_afe_set_i2s(struct mtk_afe *afe, unsigned int rate) return 0; } -static void mtk_afe_set_i2s_enable(struct mtk_afe *afe, bool enable) +static void mt8173_afe_set_i2s_enable(struct mtk_base_afe *afe, bool enable) { unsigned int val; @@ -296,8 +244,8 @@ static void mtk_afe_set_i2s_enable(struct mtk_afe *afe, bool enable) regmap_update_bits(afe->regmap, AFE_I2S_CON1, 0x1, enable); } -static int mtk_afe_dais_enable_clks(struct mtk_afe *afe, - struct clk *m_ck, struct clk *b_ck) +static int mt8173_afe_dais_enable_clks(struct mtk_base_afe *afe, + struct clk *m_ck, struct clk *b_ck) { int ret; @@ -319,9 +267,9 @@ static int mtk_afe_dais_enable_clks(struct mtk_afe *afe, return 0; } -static int mtk_afe_dais_set_clks(struct mtk_afe *afe, - struct clk *m_ck, unsigned int mck_rate, - struct clk *b_ck, unsigned int bck_rate) +static int mt8173_afe_dais_set_clks(struct mtk_base_afe *afe, + struct clk *m_ck, unsigned int mck_rate, + struct clk *b_ck, unsigned int bck_rate) { int ret; @@ -343,8 +291,8 @@ static int mtk_afe_dais_set_clks(struct mtk_afe *afe, return 0; } -static void mtk_afe_dais_disable_clks(struct mtk_afe *afe, - struct clk *m_ck, struct clk *b_ck) +static void mt8173_afe_dais_disable_clks(struct mtk_base_afe *afe, + struct clk *m_ck, struct clk *b_ck) { if (m_ck) clk_disable_unprepare(m_ck); @@ -352,102 +300,101 @@ static void mtk_afe_dais_disable_clks(struct mtk_afe *afe, clk_disable_unprepare(b_ck); } -static int mtk_afe_i2s_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); if (dai->active) return 0; - mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); - mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL); regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); return 0; } -static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static void mt8173_afe_i2s_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); if (dai->active) return; - mtk_afe_set_i2s_enable(afe, false); + mt8173_afe_set_i2s_enable(afe, false); regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); - mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); - mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL); } -static int mtk_afe_i2s_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_afe_i2s_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime * const runtime = substream->runtime; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt8173_afe_private *afe_priv = afe->platform_priv; int ret; - mtk_afe_dais_set_clks(afe, - afe->clocks[MTK_CLK_I2S1_M], runtime->rate * 256, - NULL, 0); - mtk_afe_dais_set_clks(afe, - afe->clocks[MTK_CLK_I2S2_M], runtime->rate * 256, - NULL, 0); + mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S1_M], + runtime->rate * 256, NULL, 0); + mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S2_M], + runtime->rate * 256, NULL, 0); /* config I2S */ - ret = mtk_afe_set_i2s(afe, substream->runtime->rate); + ret = mt8173_afe_set_i2s(afe, substream->runtime->rate); if (ret) return ret; - mtk_afe_set_i2s_enable(afe, true); + mt8173_afe_set_i2s_enable(afe, true); return 0; } -static int mtk_afe_hdmi_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_afe_hdmi_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt8173_afe_private *afe_priv = afe->platform_priv; if (dai->active) return 0; - mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S3_M], - afe->clocks[MTK_CLK_I2S3_B]); + mt8173_afe_dais_enable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M], + afe_priv->clocks[MT8173_CLK_I2S3_B]); return 0; } -static void mtk_afe_hdmi_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static void mt8173_afe_hdmi_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt8173_afe_private *afe_priv = afe->platform_priv; if (dai->active) return; - mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S3_M], - afe->clocks[MTK_CLK_I2S3_B]); + mt8173_afe_dais_disable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M], + afe_priv->clocks[MT8173_CLK_I2S3_B]); } -static int mtk_afe_hdmi_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_afe_hdmi_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime * const runtime = substream->runtime; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mt8173_afe_private *afe_priv = afe->platform_priv; + unsigned int val; - mtk_afe_dais_set_clks(afe, - afe->clocks[MTK_CLK_I2S3_M], runtime->rate * 128, - afe->clocks[MTK_CLK_I2S3_B], - runtime->rate * runtime->channels * 32); + mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M], + runtime->rate * 128, + afe_priv->clocks[MT8173_CLK_I2S3_B], + runtime->rate * runtime->channels * 32); val = AFE_TDM_CON1_BCK_INV | AFE_TDM_CON1_LRCK_INV | @@ -498,11 +445,11 @@ static int mtk_afe_hdmi_prepare(struct snd_pcm_substream *substream, return 0; } -static int mtk_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) +static int mt8173_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name); @@ -514,10 +461,14 @@ static int mtk_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, /* set connections: O30~O37: L/R/LS/RS/C/LFE/CH7/CH8 */ regmap_write(afe->regmap, AFE_HDMI_CONN0, - AFE_HDMI_CONN0_O30_I30 | AFE_HDMI_CONN0_O31_I31 | - AFE_HDMI_CONN0_O32_I34 | AFE_HDMI_CONN0_O33_I35 | - AFE_HDMI_CONN0_O34_I32 | AFE_HDMI_CONN0_O35_I33 | - AFE_HDMI_CONN0_O36_I36 | AFE_HDMI_CONN0_O37_I37); + AFE_HDMI_CONN0_O30_I30 | + AFE_HDMI_CONN0_O31_I31 | + AFE_HDMI_CONN0_O32_I34 | + AFE_HDMI_CONN0_O33_I35 | + AFE_HDMI_CONN0_O34_I32 | + AFE_HDMI_CONN0_O35_I33 | + AFE_HDMI_CONN0_O36_I36 | + AFE_HDMI_CONN0_O37_I37); /* enable Out control */ regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0x1); @@ -537,284 +488,65 @@ static int mtk_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF, AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF); - return 0; default: return -EINVAL; } } -static int mtk_afe_dais_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - struct snd_pcm_runtime *runtime = substream->runtime; - struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - int ret; - - memif->substream = substream; - - snd_soc_set_runtime_hwparams(substream, &mtk_afe_hardware); - - /* - * Capture cannot use ping-pong buffer since hw_ptr at IRQ may be - * smaller than period_size due to AFE's internal buffer. - * This easily leads to overrun when avail_min is period_size. - * One more period can hold the possible unread buffer. - */ - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { - ret = snd_pcm_hw_constraint_minmax(runtime, - SNDRV_PCM_HW_PARAM_PERIODS, - 3, - mtk_afe_hardware.periods_max); - if (ret < 0) { - dev_err(afe->dev, "hw_constraint_minmax failed\n"); - return ret; - } - } - ret = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); - if (ret < 0) - dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n"); - return ret; -} - -static void mtk_afe_dais_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_memif_fs(struct snd_pcm_substream *substream, + unsigned int rate) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - - memif->substream = NULL; -} - -static int mtk_afe_dais_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - int msb_at_bit33 = 0; - int ret; - - dev_dbg(afe->dev, - "%s period = %u, rate= %u, channels=%u\n", - __func__, params_period_size(params), params_rate(params), - params_channels(params)); + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; + int fs; - ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); - if (ret < 0) - return ret; - - msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0; - memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr); - memif->buffer_size = substream->runtime->dma_bytes; - - /* start */ - regmap_write(afe->regmap, - memif->data->reg_ofs_base, memif->phys_buf_addr); - /* end */ - regmap_write(afe->regmap, - memif->data->reg_ofs_base + AFE_BASE_END_OFFSET, - memif->phys_buf_addr + memif->buffer_size - 1); - - /* set MSB to 33-bit */ - regmap_update_bits(afe->regmap, AFE_MEMIF_MSB, - 1 << memif->data->msb_shift, - msb_at_bit33 << memif->data->msb_shift); - - /* set channel */ - if (memif->data->mono_shift >= 0) { - unsigned int mono = (params_channels(params) == 1) ? 1 : 0; - - regmap_update_bits(afe->regmap, AFE_DAC_CON1, - 1 << memif->data->mono_shift, - mono << memif->data->mono_shift); - } - - /* set rate */ - if (memif->data->fs_shift < 0) - return 0; - if (memif->data->id == MTK_AFE_MEMIF_DAI || - memif->data->id == MTK_AFE_MEMIF_MOD_DAI) { - unsigned int val; - - switch (params_rate(params)) { + if (memif->data->id == MT8173_AFE_MEMIF_DAI || + memif->data->id == MT8173_AFE_MEMIF_MOD_DAI) { + switch (rate) { case 8000: - val = 0; + fs = 0; break; case 16000: - val = 1; + fs = 1; break; case 32000: - val = 2; + fs = 2; break; default: return -EINVAL; } - - if (memif->data->id == MTK_AFE_MEMIF_DAI) - regmap_update_bits(afe->regmap, AFE_DAC_CON0, - 0x3 << memif->data->fs_shift, - val << memif->data->fs_shift); - else - regmap_update_bits(afe->regmap, AFE_DAC_CON1, - 0x3 << memif->data->fs_shift, - val << memif->data->fs_shift); - } else { - int fs = mtk_afe_i2s_fs(params_rate(params)); - - if (fs < 0) - return -EINVAL; - - regmap_update_bits(afe->regmap, AFE_DAC_CON1, - 0xf << memif->data->fs_shift, - fs << memif->data->fs_shift); + fs = mt8173_afe_i2s_fs(rate); } - - return 0; + return fs; } -static int mtk_afe_dais_hw_free(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int mt8173_irq_fs(struct snd_pcm_substream *substream, unsigned int rate) { - return snd_pcm_lib_free_pages(substream); + return mt8173_afe_i2s_fs(rate); } -static int mtk_afe_dais_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_pcm_runtime * const runtime = substream->runtime; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; - unsigned int counter = runtime->period_size; - - dev_info(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - if (memif->data->enable_shift >= 0) - regmap_update_bits(afe->regmap, AFE_DAC_CON0, - 1 << memif->data->enable_shift, - 1 << memif->data->enable_shift); - - /* set irq counter */ - regmap_update_bits(afe->regmap, - memif->data->irq_reg_cnt, - 0x3ffff << memif->data->irq_cnt_shift, - counter << memif->data->irq_cnt_shift); - - /* set irq fs */ - if (memif->data->irq_fs_shift >= 0) { - int fs = mtk_afe_i2s_fs(runtime->rate); - - if (fs < 0) - return -EINVAL; - - regmap_update_bits(afe->regmap, - AFE_IRQ_MCU_CON, - 0xf << memif->data->irq_fs_shift, - fs << memif->data->irq_fs_shift); - } - /* enable interrupt */ - regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CON, - 1 << memif->data->irq_en_shift, - 1 << memif->data->irq_en_shift); - - return 0; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - if (memif->data->enable_shift >= 0) - regmap_update_bits(afe->regmap, AFE_DAC_CON0, - 1 << memif->data->enable_shift, 0); - /* disable interrupt */ - regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CON, - 1 << memif->data->irq_en_shift, - 0 << memif->data->irq_en_shift); - /* and clear pending IRQ */ - regmap_write(afe->regmap, AFE_IRQ_CLR, - 1 << memif->data->irq_clr_shift); - return 0; - default: - return -EINVAL; - } -} - -/* FE DAIs */ -static const struct snd_soc_dai_ops mtk_afe_dai_ops = { - .startup = mtk_afe_dais_startup, - .shutdown = mtk_afe_dais_shutdown, - .hw_params = mtk_afe_dais_hw_params, - .hw_free = mtk_afe_dais_hw_free, - .trigger = mtk_afe_dais_trigger, -}; - /* BE DAIs */ -static const struct snd_soc_dai_ops mtk_afe_i2s_ops = { - .startup = mtk_afe_i2s_startup, - .shutdown = mtk_afe_i2s_shutdown, - .prepare = mtk_afe_i2s_prepare, +static const struct snd_soc_dai_ops mt8173_afe_i2s_ops = { + .startup = mt8173_afe_i2s_startup, + .shutdown = mt8173_afe_i2s_shutdown, + .prepare = mt8173_afe_i2s_prepare, }; -static const struct snd_soc_dai_ops mtk_afe_hdmi_ops = { - .startup = mtk_afe_hdmi_startup, - .shutdown = mtk_afe_hdmi_shutdown, - .prepare = mtk_afe_hdmi_prepare, - .trigger = mtk_afe_hdmi_trigger, - +static const struct snd_soc_dai_ops mt8173_afe_hdmi_ops = { + .startup = mt8173_afe_hdmi_startup, + .shutdown = mt8173_afe_hdmi_shutdown, + .prepare = mt8173_afe_hdmi_prepare, + .trigger = mt8173_afe_hdmi_trigger, }; -static int mtk_afe_runtime_suspend(struct device *dev); -static int mtk_afe_runtime_resume(struct device *dev); - -static int mtk_afe_dai_suspend(struct snd_soc_dai *dai) -{ - struct mtk_afe *afe = snd_soc_dai_get_drvdata(dai); - int i; - - dev_dbg(afe->dev, "%s\n", __func__); - if (pm_runtime_status_suspended(afe->dev) || afe->suspended) - return 0; - - for (i = 0; i < ARRAY_SIZE(mtk_afe_backup_list); i++) - regmap_read(afe->regmap, mtk_afe_backup_list[i], - &afe->backup_regs[i]); - - afe->suspended = true; - mtk_afe_runtime_suspend(afe->dev); - return 0; -} - -static int mtk_afe_dai_resume(struct snd_soc_dai *dai) -{ - struct mtk_afe *afe = snd_soc_dai_get_drvdata(dai); - int i = 0; - - dev_dbg(afe->dev, "%s\n", __func__); - if (pm_runtime_status_suspended(afe->dev) || !afe->suspended) - return 0; - - mtk_afe_runtime_resume(afe->dev); - - for (i = 0; i < ARRAY_SIZE(mtk_afe_backup_list); i++) - regmap_write(afe->regmap, mtk_afe_backup_list[i], - afe->backup_regs[i]); - - afe->suspended = false; - return 0; -} - -static struct snd_soc_dai_driver mtk_afe_pcm_dais[] = { +static struct snd_soc_dai_driver mt8173_afe_pcm_dais[] = { /* FE DAIs: memory intefaces to CPU */ { .name = "DL1", /* downlink 1 */ - .id = MTK_AFE_MEMIF_DL1, + .id = MT8173_AFE_MEMIF_DL1, .suspend = mtk_afe_dai_suspend, .resume = mtk_afe_dai_resume, .playback = { @@ -824,10 +556,10 @@ static struct snd_soc_dai_driver mtk_afe_pcm_dais[] = { .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, - .ops = &mtk_afe_dai_ops, + .ops = &mtk_afe_fe_ops, }, { .name = "VUL", /* voice uplink */ - .id = MTK_AFE_MEMIF_VUL, + .id = MT8173_AFE_MEMIF_VUL, .suspend = mtk_afe_dai_suspend, .resume = mtk_afe_dai_resume, .capture = { @@ -837,11 +569,11 @@ static struct snd_soc_dai_driver mtk_afe_pcm_dais[] = { .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, - .ops = &mtk_afe_dai_ops, + .ops = &mtk_afe_fe_ops, }, { /* BE DAIs */ .name = "I2S", - .id = MTK_AFE_IO_I2S, + .id = MT8173_AFE_IO_I2S, .playback = { .stream_name = "I2S Playback", .channels_min = 1, @@ -856,16 +588,16 @@ static struct snd_soc_dai_driver mtk_afe_pcm_dais[] = { .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, - .ops = &mtk_afe_i2s_ops, + .ops = &mt8173_afe_i2s_ops, .symmetric_rates = 1, }, }; -static struct snd_soc_dai_driver mtk_afe_hdmi_dais[] = { +static struct snd_soc_dai_driver mt8173_afe_hdmi_dais[] = { /* FE DAIs */ { .name = "HDMI", - .id = MTK_AFE_MEMIF_HDMI, + .id = MT8173_AFE_MEMIF_HDMI, .suspend = mtk_afe_dai_suspend, .resume = mtk_afe_dai_resume, .playback = { @@ -878,11 +610,11 @@ static struct snd_soc_dai_driver mtk_afe_hdmi_dais[] = { SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, - .ops = &mtk_afe_dai_ops, + .ops = &mtk_afe_fe_ops, }, { /* BE DAIs */ .name = "HDMIO", - .id = MTK_AFE_IO_HDMI, + .id = MT8173_AFE_IO_HDMI, .playback = { .stream_name = "HDMIO Playback", .channels_min = 2, @@ -893,29 +625,29 @@ static struct snd_soc_dai_driver mtk_afe_hdmi_dais[] = { SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, - .ops = &mtk_afe_hdmi_ops, + .ops = &mt8173_afe_hdmi_ops, }, }; -static const struct snd_kcontrol_new mtk_afe_o03_mix[] = { +static const struct snd_kcontrol_new mt8173_afe_o03_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I05 Switch", AFE_CONN1, 21, 1, 0), }; -static const struct snd_kcontrol_new mtk_afe_o04_mix[] = { +static const struct snd_kcontrol_new mt8173_afe_o04_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I06 Switch", AFE_CONN2, 6, 1, 0), }; -static const struct snd_kcontrol_new mtk_afe_o09_mix[] = { +static const struct snd_kcontrol_new mt8173_afe_o09_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0), SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0), }; -static const struct snd_kcontrol_new mtk_afe_o10_mix[] = { +static const struct snd_kcontrol_new mt8173_afe_o10_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0), SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0), }; -static const struct snd_soc_dapm_widget mtk_afe_pcm_widgets[] = { +static const struct snd_soc_dapm_widget mt8173_afe_pcm_widgets[] = { /* inter-connections */ SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0), @@ -925,16 +657,16 @@ static const struct snd_soc_dapm_widget mtk_afe_pcm_widgets[] = { SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, - mtk_afe_o03_mix, ARRAY_SIZE(mtk_afe_o03_mix)), + mt8173_afe_o03_mix, ARRAY_SIZE(mt8173_afe_o03_mix)), SND_SOC_DAPM_MIXER("O04", SND_SOC_NOPM, 0, 0, - mtk_afe_o04_mix, ARRAY_SIZE(mtk_afe_o04_mix)), + mt8173_afe_o04_mix, ARRAY_SIZE(mt8173_afe_o04_mix)), SND_SOC_DAPM_MIXER("O09", SND_SOC_NOPM, 0, 0, - mtk_afe_o09_mix, ARRAY_SIZE(mtk_afe_o09_mix)), + mt8173_afe_o09_mix, ARRAY_SIZE(mt8173_afe_o09_mix)), SND_SOC_DAPM_MIXER("O10", SND_SOC_NOPM, 0, 0, - mtk_afe_o10_mix, ARRAY_SIZE(mtk_afe_o10_mix)), + mt8173_afe_o10_mix, ARRAY_SIZE(mt8173_afe_o10_mix)), }; -static const struct snd_soc_dapm_route mtk_afe_pcm_routes[] = { +static const struct snd_soc_dapm_route mt8173_afe_pcm_routes[] = { {"I05", NULL, "DL1"}, {"I06", NULL, "DL1"}, {"I2S Playback", NULL, "O03"}, @@ -953,140 +685,257 @@ static const struct snd_soc_dapm_route mtk_afe_pcm_routes[] = { { "O10", "I04 Switch", "I04" }, }; -static const struct snd_soc_dapm_route mtk_afe_hdmi_routes[] = { +static const struct snd_soc_dapm_route mt8173_afe_hdmi_routes[] = { {"HDMIO Playback", NULL, "HDMI"}, }; -static const struct snd_soc_component_driver mtk_afe_pcm_dai_component = { - .name = "mtk-afe-pcm-dai", - .dapm_widgets = mtk_afe_pcm_widgets, - .num_dapm_widgets = ARRAY_SIZE(mtk_afe_pcm_widgets), - .dapm_routes = mtk_afe_pcm_routes, - .num_dapm_routes = ARRAY_SIZE(mtk_afe_pcm_routes), +static const struct snd_soc_component_driver mt8173_afe_pcm_dai_component = { + .name = "mt8173-afe-pcm-dai", + .dapm_widgets = mt8173_afe_pcm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt8173_afe_pcm_widgets), + .dapm_routes = mt8173_afe_pcm_routes, + .num_dapm_routes = ARRAY_SIZE(mt8173_afe_pcm_routes), }; -static const struct snd_soc_component_driver mtk_afe_hdmi_dai_component = { - .name = "mtk-afe-hdmi-dai", - .dapm_routes = mtk_afe_hdmi_routes, - .num_dapm_routes = ARRAY_SIZE(mtk_afe_hdmi_routes), +static const struct snd_soc_component_driver mt8173_afe_hdmi_dai_component = { + .name = "mt8173-afe-hdmi-dai", + .dapm_routes = mt8173_afe_hdmi_routes, + .num_dapm_routes = ARRAY_SIZE(mt8173_afe_hdmi_routes), }; -static const char *aud_clks[MTK_CLK_NUM] = { - [MTK_CLK_INFRASYS_AUD] = "infra_sys_audio_clk", - [MTK_CLK_TOP_PDN_AUD] = "top_pdn_audio", - [MTK_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus", - [MTK_CLK_I2S0_M] = "i2s0_m", - [MTK_CLK_I2S1_M] = "i2s1_m", - [MTK_CLK_I2S2_M] = "i2s2_m", - [MTK_CLK_I2S3_M] = "i2s3_m", - [MTK_CLK_I2S3_B] = "i2s3_b", - [MTK_CLK_BCK0] = "bck0", - [MTK_CLK_BCK1] = "bck1", +static const char *aud_clks[MT8173_CLK_NUM] = { + [MT8173_CLK_INFRASYS_AUD] = "infra_sys_audio_clk", + [MT8173_CLK_TOP_PDN_AUD] = "top_pdn_audio", + [MT8173_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus", + [MT8173_CLK_I2S0_M] = "i2s0_m", + [MT8173_CLK_I2S1_M] = "i2s1_m", + [MT8173_CLK_I2S2_M] = "i2s2_m", + [MT8173_CLK_I2S3_M] = "i2s3_m", + [MT8173_CLK_I2S3_B] = "i2s3_b", + [MT8173_CLK_BCK0] = "bck0", + [MT8173_CLK_BCK1] = "bck1", }; -static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = { +static const struct mtk_base_memif_data memif_data[MT8173_AFE_MEMIF_NUM] = { { .name = "DL1", - .id = MTK_AFE_MEMIF_DL1, + .id = MT8173_AFE_MEMIF_DL1, .reg_ofs_base = AFE_DL1_BASE, .reg_ofs_cur = AFE_DL1_CUR, + .fs_reg = AFE_DAC_CON1, .fs_shift = 0, + .fs_maskbit = 0xf, + .mono_reg = AFE_DAC_CON1, .mono_shift = 21, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 1, - .irq_reg_cnt = AFE_IRQ_CNT1, - .irq_cnt_shift = 0, - .irq_en_shift = 0, - .irq_fs_shift = 4, - .irq_clr_shift = 0, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 0, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "DL2", - .id = MTK_AFE_MEMIF_DL2, + .id = MT8173_AFE_MEMIF_DL2, .reg_ofs_base = AFE_DL2_BASE, .reg_ofs_cur = AFE_DL2_CUR, + .fs_reg = AFE_DAC_CON1, .fs_shift = 4, + .fs_maskbit = 0xf, + .mono_reg = AFE_DAC_CON1, .mono_shift = 22, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 2, - .irq_reg_cnt = AFE_IRQ_CNT1, - .irq_cnt_shift = 20, - .irq_en_shift = 2, - .irq_fs_shift = 16, - .irq_clr_shift = 2, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 1, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "VUL", - .id = MTK_AFE_MEMIF_VUL, + .id = MT8173_AFE_MEMIF_VUL, .reg_ofs_base = AFE_VUL_BASE, .reg_ofs_cur = AFE_VUL_CUR, + .fs_reg = AFE_DAC_CON1, .fs_shift = 16, + .fs_maskbit = 0xf, + .mono_reg = AFE_DAC_CON1, .mono_shift = 27, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 3, - .irq_reg_cnt = AFE_IRQ_CNT2, - .irq_cnt_shift = 0, - .irq_en_shift = 1, - .irq_fs_shift = 8, - .irq_clr_shift = 1, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 6, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "DAI", - .id = MTK_AFE_MEMIF_DAI, + .id = MT8173_AFE_MEMIF_DAI, .reg_ofs_base = AFE_DAI_BASE, .reg_ofs_cur = AFE_DAI_CUR, + .fs_reg = AFE_DAC_CON0, .fs_shift = 24, + .fs_maskbit = 0x3, + .mono_reg = -1, .mono_shift = -1, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 4, - .irq_reg_cnt = AFE_IRQ_CNT2, - .irq_cnt_shift = 20, - .irq_en_shift = 3, - .irq_fs_shift = 20, - .irq_clr_shift = 3, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 5, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "AWB", - .id = MTK_AFE_MEMIF_AWB, + .id = MT8173_AFE_MEMIF_AWB, .reg_ofs_base = AFE_AWB_BASE, .reg_ofs_cur = AFE_AWB_CUR, + .fs_reg = AFE_DAC_CON1, .fs_shift = 12, + .fs_maskbit = 0xf, + .mono_reg = AFE_DAC_CON1, .mono_shift = 24, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 6, - .irq_reg_cnt = AFE_IRQ_CNT7, - .irq_cnt_shift = 0, - .irq_en_shift = 14, - .irq_fs_shift = 24, - .irq_clr_shift = 6, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 3, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "MOD_DAI", - .id = MTK_AFE_MEMIF_MOD_DAI, + .id = MT8173_AFE_MEMIF_MOD_DAI, .reg_ofs_base = AFE_MOD_PCM_BASE, .reg_ofs_cur = AFE_MOD_PCM_CUR, + .fs_reg = AFE_DAC_CON1, .fs_shift = 30, + .fs_maskbit = 0x3, + .mono_reg = AFE_DAC_CON1, .mono_shift = 30, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = AFE_DAC_CON0, .enable_shift = 7, - .irq_reg_cnt = AFE_IRQ_CNT2, - .irq_cnt_shift = 20, - .irq_en_shift = 3, - .irq_fs_shift = 20, - .irq_clr_shift = 3, + .msb_reg = AFE_MEMIF_MSB, .msb_shift = 4, + .agent_disable_reg = -1, + .agent_disable_shift = -1, }, { .name = "HDMI", - .id = MTK_AFE_MEMIF_HDMI, + .id = MT8173_AFE_MEMIF_HDMI, .reg_ofs_base = AFE_HDMI_OUT_BASE, .reg_ofs_cur = AFE_HDMI_OUT_CUR, + .fs_reg = -1, .fs_shift = -1, + .fs_maskbit = -1, + .mono_reg = -1, .mono_shift = -1, + .hd_reg = -1, + .hd_shift = -1, + .enable_reg = -1, .enable_shift = -1, - .irq_reg_cnt = AFE_IRQ_CNT5, + .msb_reg = AFE_MEMIF_MSB, + .msb_shift = 8, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + }, +}; + +static const struct mtk_base_irq_data irq_data[MT8173_AFE_IRQ_NUM] = { + { + .id = MT8173_AFE_IRQ_DL1, + .irq_cnt_reg = AFE_IRQ_CNT1, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 0, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 4, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 0, + }, { + .id = MT8173_AFE_IRQ_DL2, + .irq_cnt_reg = AFE_IRQ_CNT1, + .irq_cnt_shift = 20, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 2, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 16, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 2, + + }, { + .id = MT8173_AFE_IRQ_VUL, + .irq_cnt_reg = AFE_IRQ_CNT2, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 1, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 8, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 1, + }, { + .id = MT8173_AFE_IRQ_DAI, + .irq_cnt_reg = AFE_IRQ_CNT2, + .irq_cnt_shift = 20, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 3, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 20, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 3, + }, { + .id = MT8173_AFE_IRQ_AWB, + .irq_cnt_reg = AFE_IRQ_CNT7, .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 14, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 24, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 6, + }, { + .id = MT8173_AFE_IRQ_DAI, + .irq_cnt_reg = AFE_IRQ_CNT2, + .irq_cnt_shift = 20, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = 3, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = 20, + .irq_fs_maskbit = 0xf, + .irq_clr_reg = AFE_IRQ_CLR, + .irq_clr_shift = 3, + }, { + .id = MT8173_AFE_IRQ_HDMI, + .irq_cnt_reg = AFE_IRQ_CNT5, + .irq_cnt_shift = 0, + .irq_cnt_maskbit = 0x3ffff, + .irq_en_reg = AFE_IRQ_MCU_CON, .irq_en_shift = 12, + .irq_fs_reg = -1, .irq_fs_shift = -1, + .irq_fs_maskbit = -1, + .irq_clr_reg = AFE_IRQ_CLR, .irq_clr_shift = 4, - .msb_shift = 8, }, }; -static const struct regmap_config mtk_afe_regmap_config = { +static const struct regmap_config mt8173_afe_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, @@ -1094,9 +943,9 @@ static const struct regmap_config mtk_afe_regmap_config = { .cache_type = REGCACHE_NONE, }; -static irqreturn_t mtk_afe_irq_handler(int irq, void *dev_id) +static irqreturn_t mt8173_afe_irq_handler(int irq, void *dev_id) { - struct mtk_afe *afe = dev_id; + struct mtk_base_afe *afe = dev_id; unsigned int reg_value; int i, ret; @@ -1107,10 +956,16 @@ static irqreturn_t mtk_afe_irq_handler(int irq, void *dev_id) goto err_irq; } - for (i = 0; i < MTK_AFE_MEMIF_NUM; i++) { - struct mtk_afe_memif *memif = &afe->memif[i]; + for (i = 0; i < MT8173_AFE_MEMIF_NUM; i++) { + struct mtk_base_afe_memif *memif = &afe->memif[i]; + struct mtk_base_afe_irq *irq; - if (!(reg_value & (1 << memif->data->irq_clr_shift))) + if (memif->irq_usage < 0) + continue; + + irq = &afe->irqs[memif->irq_usage]; + + if (!(reg_value & (1 << irq->irq_data->irq_clr_shift))) continue; snd_pcm_period_elapsed(memif->substream); @@ -1118,14 +973,16 @@ static irqreturn_t mtk_afe_irq_handler(int irq, void *dev_id) err_irq: /* clear irq */ - regmap_write(afe->regmap, AFE_IRQ_CLR, reg_value & AFE_IRQ_STATUS_BITS); + regmap_write(afe->regmap, AFE_IRQ_CLR, + reg_value & AFE_IRQ_STATUS_BITS); return IRQ_HANDLED; } -static int mtk_afe_runtime_suspend(struct device *dev) +static int mt8173_afe_runtime_suspend(struct device *dev) { - struct mtk_afe *afe = dev_get_drvdata(dev); + struct mtk_base_afe *afe = dev_get_drvdata(dev); + struct mt8173_afe_private *afe_priv = afe->platform_priv; /* disable AFE */ regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0); @@ -1134,38 +991,47 @@ static int mtk_afe_runtime_suspend(struct device *dev) regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE); - clk_disable_unprepare(afe->clocks[MTK_CLK_BCK0]); - clk_disable_unprepare(afe->clocks[MTK_CLK_BCK1]); - clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD]); - clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); - clk_disable_unprepare(afe->clocks[MTK_CLK_INFRASYS_AUD]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK1]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]); return 0; } -static int mtk_afe_runtime_resume(struct device *dev) +static int mt8173_afe_runtime_resume(struct device *dev) { - struct mtk_afe *afe = dev_get_drvdata(dev); + struct mtk_base_afe *afe = dev_get_drvdata(dev); + struct mt8173_afe_private *afe_priv = afe->platform_priv; int ret; - ret = clk_prepare_enable(afe->clocks[MTK_CLK_INFRASYS_AUD]); + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]); if (ret) return ret; - ret = clk_prepare_enable(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]); if (ret) goto err_infra; - ret = clk_prepare_enable(afe->clocks[MTK_CLK_TOP_PDN_AUD]); + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]); if (ret) goto err_top_aud_bus; - ret = clk_prepare_enable(afe->clocks[MTK_CLK_BCK0]); + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK0]); if (ret) goto err_top_aud; - ret = clk_prepare_enable(afe->clocks[MTK_CLK_BCK1]); + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK1]); if (ret) goto err_bck0; + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S1_M]); + if (ret) + goto err_i2s1_m; + ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S2_M]); + if (ret) + goto err_i2s2_m; /* enable AFE clk */ regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, 0); @@ -1181,39 +1047,45 @@ static int mtk_afe_runtime_resume(struct device *dev) regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); return 0; +err_i2s1_m: + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]); +err_i2s2_m: + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]); err_bck0: - clk_disable_unprepare(afe->clocks[MTK_CLK_BCK0]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]); err_top_aud: - clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]); err_top_aud_bus: - clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]); err_infra: - clk_disable_unprepare(afe->clocks[MTK_CLK_INFRASYS_AUD]); + clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]); return ret; } -static int mtk_afe_init_audio_clk(struct mtk_afe *afe) +static int mt8173_afe_init_audio_clk(struct mtk_base_afe *afe) { size_t i; + struct mt8173_afe_private *afe_priv = afe->platform_priv; for (i = 0; i < ARRAY_SIZE(aud_clks); i++) { - afe->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]); - if (IS_ERR(afe->clocks[i])) { + afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]); + if (IS_ERR(afe_priv->clocks[i])) { dev_err(afe->dev, "%s devm_clk_get %s fail\n", __func__, aud_clks[i]); - return PTR_ERR(afe->clocks[i]); + return PTR_ERR(afe_priv->clocks[i]); } } - clk_set_rate(afe->clocks[MTK_CLK_BCK0], 22579200); /* 22M */ - clk_set_rate(afe->clocks[MTK_CLK_BCK1], 24576000); /* 24M */ + clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK0], 22579200); /* 22M */ + clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK1], 24576000); /* 24M */ return 0; } -static int mtk_afe_pcm_dev_probe(struct platform_device *pdev) +static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev) { int ret, i; unsigned int irq_id; - struct mtk_afe *afe; + struct mtk_base_afe *afe; + struct mt8173_afe_private *afe_priv; struct resource *res; ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33)); @@ -1224,6 +1096,12 @@ static int mtk_afe_pcm_dev_probe(struct platform_device *pdev) if (!afe) return -ENOMEM; + afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv), + GFP_KERNEL); + afe_priv = afe->platform_priv; + if (!afe_priv) + return -ENOMEM; + afe->dev = &pdev->dev; irq_id = platform_get_irq(pdev, 0); @@ -1231,7 +1109,7 @@ static int mtk_afe_pcm_dev_probe(struct platform_device *pdev) dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name); return -ENXIO; } - ret = devm_request_irq(afe->dev, irq_id, mtk_afe_irq_handler, + ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler, 0, "Afe_ISR_Handle", (void *)afe); if (ret) { dev_err(afe->dev, "could not request_irq\n"); @@ -1244,48 +1122,75 @@ static int mtk_afe_pcm_dev_probe(struct platform_device *pdev) return PTR_ERR(afe->base_addr); afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr, - &mtk_afe_regmap_config); + &mt8173_afe_regmap_config); if (IS_ERR(afe->regmap)) return PTR_ERR(afe->regmap); /* initial audio related clock */ - ret = mtk_afe_init_audio_clk(afe); + ret = mt8173_afe_init_audio_clk(afe); if (ret) { - dev_err(afe->dev, "mtk_afe_init_audio_clk fail\n"); + dev_err(afe->dev, "mt8173_afe_init_audio_clk fail\n"); return ret; } - for (i = 0; i < MTK_AFE_MEMIF_NUM; i++) + /* memif % irq initialize*/ + afe->memif_size = MT8173_AFE_MEMIF_NUM; + afe->memif = devm_kcalloc(afe->dev, afe->memif_size, + sizeof(*afe->memif), GFP_KERNEL); + if (!afe->memif) + return -ENOMEM; + + afe->irqs_size = MT8173_AFE_IRQ_NUM; + afe->irqs = devm_kcalloc(afe->dev, afe->irqs_size, + sizeof(*afe->irqs), GFP_KERNEL); + if (!afe->irqs) + return -ENOMEM; + + for (i = 0; i < afe->irqs_size; i++) { afe->memif[i].data = &memif_data[i]; + afe->irqs[i].irq_data = &irq_data[i]; + afe->irqs[i].irq_occupyed = true; + afe->memif[i].irq_usage = i; + afe->memif[i].const_irq = 1; + } + + afe->mtk_afe_hardware = &mt8173_afe_hardware; + afe->memif_fs = mt8173_memif_fs; + afe->irq_fs = mt8173_irq_fs; platform_set_drvdata(pdev, afe); pm_runtime_enable(&pdev->dev); if (!pm_runtime_enabled(&pdev->dev)) { - ret = mtk_afe_runtime_resume(&pdev->dev); + ret = mt8173_afe_runtime_resume(&pdev->dev); if (ret) goto err_pm_disable; } + afe->reg_back_up_list = mt8173_afe_backup_list; + afe->reg_back_up_list_num = ARRAY_SIZE(mt8173_afe_backup_list); + afe->runtime_resume = mt8173_afe_runtime_resume; + afe->runtime_suspend = mt8173_afe_runtime_suspend; + ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform); if (ret) goto err_pm_disable; ret = snd_soc_register_component(&pdev->dev, - &mtk_afe_pcm_dai_component, - mtk_afe_pcm_dais, - ARRAY_SIZE(mtk_afe_pcm_dais)); + &mt8173_afe_pcm_dai_component, + mt8173_afe_pcm_dais, + ARRAY_SIZE(mt8173_afe_pcm_dais)); if (ret) goto err_platform; ret = snd_soc_register_component(&pdev->dev, - &mtk_afe_hdmi_dai_component, - mtk_afe_hdmi_dais, - ARRAY_SIZE(mtk_afe_hdmi_dais)); + &mt8173_afe_hdmi_dai_component, + mt8173_afe_hdmi_dais, + ARRAY_SIZE(mt8173_afe_hdmi_dais)); if (ret) goto err_comp; - dev_info(&pdev->dev, "MTK AFE driver initialized.\n"); + dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n"); return 0; err_comp: @@ -1297,38 +1202,38 @@ err_pm_disable: return ret; } -static int mtk_afe_pcm_dev_remove(struct platform_device *pdev) +static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) - mtk_afe_runtime_suspend(&pdev->dev); + mt8173_afe_runtime_suspend(&pdev->dev); snd_soc_unregister_component(&pdev->dev); snd_soc_unregister_platform(&pdev->dev); return 0; } -static const struct of_device_id mtk_afe_pcm_dt_match[] = { +static const struct of_device_id mt8173_afe_pcm_dt_match[] = { { .compatible = "mediatek,mt8173-afe-pcm", }, { } }; -MODULE_DEVICE_TABLE(of, mtk_afe_pcm_dt_match); +MODULE_DEVICE_TABLE(of, mt8173_afe_pcm_dt_match); -static const struct dev_pm_ops mtk_afe_pm_ops = { - SET_RUNTIME_PM_OPS(mtk_afe_runtime_suspend, mtk_afe_runtime_resume, - NULL) +static const struct dev_pm_ops mt8173_afe_pm_ops = { + SET_RUNTIME_PM_OPS(mt8173_afe_runtime_suspend, + mt8173_afe_runtime_resume, NULL) }; -static struct platform_driver mtk_afe_pcm_driver = { +static struct platform_driver mt8173_afe_pcm_driver = { .driver = { - .name = "mtk-afe-pcm", - .of_match_table = mtk_afe_pcm_dt_match, - .pm = &mtk_afe_pm_ops, + .name = "mt8173-afe-pcm", + .of_match_table = mt8173_afe_pcm_dt_match, + .pm = &mt8173_afe_pm_ops, }, - .probe = mtk_afe_pcm_dev_probe, - .remove = mtk_afe_pcm_dev_remove, + .probe = mt8173_afe_pcm_dev_probe, + .remove = mt8173_afe_pcm_dev_remove, }; -module_platform_driver(mtk_afe_pcm_driver); +module_platform_driver(mt8173_afe_pcm_driver); MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver"); MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); diff --git a/sound/soc/mediatek/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c index 71a1a35047ba..5524a2c727ec 100644 --- a/sound/soc/mediatek/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c @@ -18,7 +18,7 @@ #include <sound/soc.h> #include <sound/jack.h> #include <linux/gpio.h> -#include "../codecs/max98090.h" +#include "../../codecs/max98090.h" static struct snd_soc_jack mt8173_max98090_jack; diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5514.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c index 58e083642dea..467f7049a288 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5514.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c @@ -19,7 +19,7 @@ #include <linux/of_gpio.h> #include <sound/soc.h> #include <sound/jack.h> -#include "../codecs/rt5645.h" +#include "../../codecs/rt5645.h" #define MCLK_FOR_CODECS 12288000 diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c index bb593926c62d..1b8b2a778845 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c @@ -19,8 +19,8 @@ #include <linux/of_gpio.h> #include <sound/soc.h> #include <sound/jack.h> -#include "../codecs/rt5645.h" -#include "../codecs/rt5677.h" +#include "../../codecs/rt5645.h" +#include "../../codecs/rt5677.h" #define MCLK_FOR_CODECS 12288000 diff --git a/sound/soc/mediatek/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c index a27a6673dbe3..ba65f4157a7e 100644 --- a/sound/soc/mediatek/mt8173-rt5650.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c @@ -19,10 +19,24 @@ #include <linux/of_gpio.h> #include <sound/soc.h> #include <sound/jack.h> -#include "../codecs/rt5645.h" +#include "../../codecs/rt5645.h" #define MCLK_FOR_CODECS 12288000 +enum mt8173_rt5650_mclk { + MT8173_RT5650_MCLK_EXTERNAL = 0, + MT8173_RT5650_MCLK_INTERNAL, +}; + +struct mt8173_rt5650_platform_data { + enum mt8173_rt5650_mclk pll_from; + /* 0 = external oscillator; 1 = internal source from mt8173 */ +}; + +static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = { + .pll_from = MT8173_RT5650_MCLK_EXTERNAL, +}; + static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = { SND_SOC_DAPM_SPK("Speaker", NULL), SND_SOC_DAPM_MIC("Int Mic", NULL), @@ -54,13 +68,29 @@ static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; + unsigned int mclk_clock; int i, ret; + switch (mt8173_rt5650_priv.pll_from) { + case MT8173_RT5650_MCLK_EXTERNAL: + /* mclk = 12.288M */ + mclk_clock = MCLK_FOR_CODECS; + break; + case MT8173_RT5650_MCLK_INTERNAL: + /* mclk = sampling rate*256 */ + mclk_clock = params_rate(params) * 256; + break; + default: + /* mclk = 12.288M */ + mclk_clock = MCLK_FOR_CODECS; + break; + } + for (i = 0; i < rtd->num_codecs; i++) { struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; - /* pll from mclk 12.288M */ - ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, + /* pll from mclk */ + ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock, params_rate(params) * 512); if (ret) return ret; @@ -139,7 +169,9 @@ static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = { enum { DAI_LINK_PLAYBACK, DAI_LINK_CAPTURE, + DAI_LINK_HDMI, DAI_LINK_CODEC_I2S, + DAI_LINK_HDMI_I2S, }; /* Digital audio interface glue - connects codec <---> CPU */ @@ -165,6 +197,16 @@ static struct snd_soc_dai_link mt8173_rt5650_dais[] = { .dynamic = 1, .dpcm_capture = 1, }, + [DAI_LINK_HDMI] = { + .name = "HDMI", + .stream_name = "HDMI PCM", + .cpu_dai_name = "HDMI", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .dpcm_playback = 1, + }, /* Back End DAI links */ [DAI_LINK_CODEC_I2S] = { .name = "Codec", @@ -180,6 +222,13 @@ static struct snd_soc_dai_link mt8173_rt5650_dais[] = { .dpcm_playback = 1, .dpcm_capture = 1, }, + [DAI_LINK_HDMI_I2S] = { + .name = "HDMI BE", + .cpu_dai_name = "HDMIO", + .no_pcm = 1, + .codec_dai_name = "i2s-hifi", + .dpcm_playback = 1, + }, }; static struct snd_soc_card mt8173_rt5650_card = { @@ -243,6 +292,24 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev) mt8173_rt5650_codecs[1].dai_name = codec_capture_dai; } + if (device_property_present(&pdev->dev, "mediatek,mclk")) { + ret = device_property_read_u32(&pdev->dev, + "mediatek,mclk", + &mt8173_rt5650_priv.pll_from); + if (ret) { + dev_err(&pdev->dev, + "%s snd_soc_register_card fail %d\n", + __func__, ret); + } + } + + mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node = + of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); + if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node) { + dev_err(&pdev->dev, + "Property 'audio-codec' missing or invalid\n"); + return -EINVAL; + } card->dev = &pdev->dev; platform_set_drvdata(pdev, card); diff --git a/sound/soc/mediatek/mtk-afe-common.h b/sound/soc/mediatek/mtk-afe-common.h deleted file mode 100644 index f341f623e887..000000000000 --- a/sound/soc/mediatek/mtk-afe-common.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * mtk_afe_common.h -- Mediatek audio driver common definitions - * - * Copyright (c) 2015 MediaTek Inc. - * Author: Koro Chen <koro.chen@mediatek.com> - * Sascha Hauer <s.hauer@pengutronix.de> - * Hidalgo Huang <hidalgo.huang@mediatek.com> - * Ir Lian <ir.lian@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef _MTK_AFE_COMMON_H_ -#define _MTK_AFE_COMMON_H_ - -#include <linux/clk.h> -#include <linux/regmap.h> - -enum { - MTK_AFE_MEMIF_DL1, - MTK_AFE_MEMIF_DL2, - MTK_AFE_MEMIF_VUL, - MTK_AFE_MEMIF_DAI, - MTK_AFE_MEMIF_AWB, - MTK_AFE_MEMIF_MOD_DAI, - MTK_AFE_MEMIF_HDMI, - MTK_AFE_MEMIF_NUM, - MTK_AFE_IO_MOD_PCM1 = MTK_AFE_MEMIF_NUM, - MTK_AFE_IO_MOD_PCM2, - MTK_AFE_IO_PMIC, - MTK_AFE_IO_I2S, - MTK_AFE_IO_2ND_I2S, - MTK_AFE_IO_HW_GAIN1, - MTK_AFE_IO_HW_GAIN2, - MTK_AFE_IO_MRG_O, - MTK_AFE_IO_MRG_I, - MTK_AFE_IO_DAIBT, - MTK_AFE_IO_HDMI, -}; - -enum { - MTK_AFE_IRQ_1, - MTK_AFE_IRQ_2, - MTK_AFE_IRQ_3, - MTK_AFE_IRQ_4, - MTK_AFE_IRQ_5, - MTK_AFE_IRQ_6, - MTK_AFE_IRQ_7, - MTK_AFE_IRQ_8, - MTK_AFE_IRQ_NUM, -}; - -enum { - MTK_CLK_INFRASYS_AUD, - MTK_CLK_TOP_PDN_AUD, - MTK_CLK_TOP_PDN_AUD_BUS, - MTK_CLK_I2S0_M, - MTK_CLK_I2S1_M, - MTK_CLK_I2S2_M, - MTK_CLK_I2S3_M, - MTK_CLK_I2S3_B, - MTK_CLK_BCK0, - MTK_CLK_BCK1, - MTK_CLK_NUM -}; - -struct mtk_afe; -struct snd_pcm_substream; - -struct mtk_afe_memif_data { - int id; - const char *name; - int reg_ofs_base; - int reg_ofs_cur; - int fs_shift; - int mono_shift; - int enable_shift; - int irq_reg_cnt; - int irq_cnt_shift; - int irq_en_shift; - int irq_fs_shift; - int irq_clr_shift; - int msb_shift; -}; - -struct mtk_afe_memif { - unsigned int phys_buf_addr; - int buffer_size; - struct snd_pcm_substream *substream; - const struct mtk_afe_memif_data *data; - const struct mtk_afe_irq_data *irqdata; -}; - -#endif |