--- /dev/null
+Analog Devices SSM2602, SSM2603 and SSM2604 I2S audio CODEC devices
+
+SSM2602 support both I2C and SPI as the configuration interface,
+the selection is made by the MODE strap-in pin.
+SSM2603 and SSM2604 only support I2C as the configuration interface.
+
+Required properties:
+
+ - compatible : One of "adi,ssm2602", "adi,ssm2603" or "adi,ssm2604"
+
+ - reg : the I2C address of the device for I2C, the chip select
+ number for SPI.
+
+ Example:
+
+ ssm2602: ssm2602@1a {
+ compatible = "adi,ssm2602";
+ reg = <0x1a>;
+ };
source.
- simple-audio-card,mclk-fs : Multiplication factor between stream rate and codec
mclk.
+- simple-audio-card,hp-det-gpio : Reference to GPIO that signals when
+ headphones are attached.
+- simple-audio-card,mic-det-gpio : Reference to GPIO that signals when
+ a microphone is attached.
Optional subnodes:
--- /dev/null
+Analog Devices SSM4567 audio amplifier
+
+This device supports I2C only.
+
+Required properties:
+ - compatible : Must be "adi,ssm4567"
+ - reg : the I2C address of the device. This will either be 0x34 (LR_SEL/ADDR connected to AGND),
+ 0x35 (LR_SEL/ADDR connected to IOVDD) or 0x36 (LR_SEL/ADDR open).
+
+Example:
+
+ ssm4567: ssm4567@34 {
+ compatible = "adi,ssm4567";
+ reg = <0x34>;
+ };
select SND_SOC_SSM2518 if I2C
select SND_SOC_SSM2602_SPI if SPI_MASTER
select SND_SOC_SSM2602_I2C if I2C
+ select SND_SOC_SSM4567 if I2C
select SND_SOC_STA32X if I2C
select SND_SOC_STA350 if I2C
select SND_SOC_STA529 if I2C
tristate
config SND_SOC_SSM2602_SPI
+ tristate "Analog Devices SSM2602 CODEC - SPI"
+ depends on SPI_MASTER
select SND_SOC_SSM2602
- tristate
+ select REGMAP_SPI
config SND_SOC_SSM2602_I2C
+ tristate "Analog Devices SSM2602 CODEC - I2C"
+ depends on I2C
select SND_SOC_SSM2602
- tristate
+ select REGMAP_I2C
+
+config SND_SOC_SSM4567
+ tristate "Analog Devices ssm4567 amplifier driver support"
+ depends on I2C
config SND_SOC_STA32X
tristate
snd-soc-ssm2602-objs := ssm2602.o
snd-soc-ssm2602-spi-objs := ssm2602-spi.o
snd-soc-ssm2602-i2c-objs := ssm2602-i2c.o
+snd-soc-ssm4567-objs := ssm4567.o
snd-soc-sta32x-objs := sta32x.o
snd-soc-sta350-objs := sta350.o
snd-soc-sta529-objs := sta529.o
obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
obj-$(CONFIG_SND_SOC_SSM2602_SPI) += snd-soc-ssm2602-spi.o
obj-$(CONFIG_SND_SOC_SSM2602_I2C) += snd-soc-ssm2602-i2c.o
+obj-$(CONFIG_SND_SOC_SSM4567) += snd-soc-ssm4567.o
obj-$(CONFIG_SND_SOC_STA32X) += snd-soc-sta32x.o
obj-$(CONFIG_SND_SOC_STA350) += snd-soc-sta350.o
obj-$(CONFIG_SND_SOC_STA529) += snd-soc-sta529.o
};
MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
+static const struct of_device_id ssm2602_of_match[] = {
+ { .compatible = "adi,ssm2602", },
+ { .compatible = "adi,ssm2603", },
+ { .compatible = "adi,ssm2604", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ssm2602_of_match);
+
static struct i2c_driver ssm2602_i2c_driver = {
.driver = {
.name = "ssm2602",
.owner = THIS_MODULE,
+ .of_match_table = ssm2602_of_match,
},
.probe = ssm2602_i2c_probe,
.remove = ssm2602_i2c_remove,
return 0;
}
+static const struct of_device_id ssm2602_of_match[] = {
+ { .compatible = "adi,ssm2602", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ssm2602_of_match);
+
static struct spi_driver ssm2602_spi_driver = {
.driver = {
.name = "ssm2602",
.owner = THIS_MODULE,
+ .of_match_table = ssm2602_of_match,
},
.probe = ssm2602_spi_probe,
.remove = ssm2602_spi_remove,
};
static const unsigned int ssm2602_rates_11289600[] = {
- 8000, 44100, 88200,
+ 8000, 11025, 22050, 44100, 88200,
};
static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
{18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
{12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
+ /* 11.025k */
+ {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)},
+ {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)},
+ {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)},
+
+ /* 22.05k */
+ {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)},
+ {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)},
+ {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)},
+
/* 44.1k */
{11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
{16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
return 0;
}
-#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
SNDRV_PCM_RATE_96000)
--- /dev/null
+/*
+ * SSM4567 amplifier audio driver
+ *
+ * Copyright 2014 Google Chromium project.
+ * Author: Anatol Pomozov <anatol@chromium.org>
+ *
+ * Based on code copyright/by:
+ * Copyright 2013 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#define SSM4567_REG_POWER_CTRL 0x00
+#define SSM4567_REG_AMP_SNS_CTRL 0x01
+#define SSM4567_REG_DAC_CTRL 0x02
+#define SSM4567_REG_DAC_VOLUME 0x03
+#define SSM4567_REG_SAI_CTRL_1 0x04
+#define SSM4567_REG_SAI_CTRL_2 0x05
+#define SSM4567_REG_SAI_PLACEMENT_1 0x06
+#define SSM4567_REG_SAI_PLACEMENT_2 0x07
+#define SSM4567_REG_SAI_PLACEMENT_3 0x08
+#define SSM4567_REG_SAI_PLACEMENT_4 0x09
+#define SSM4567_REG_SAI_PLACEMENT_5 0x0a
+#define SSM4567_REG_SAI_PLACEMENT_6 0x0b
+#define SSM4567_REG_BATTERY_V_OUT 0x0c
+#define SSM4567_REG_LIMITER_CTRL_1 0x0d
+#define SSM4567_REG_LIMITER_CTRL_2 0x0e
+#define SSM4567_REG_LIMITER_CTRL_3 0x0f
+#define SSM4567_REG_STATUS_1 0x10
+#define SSM4567_REG_STATUS_2 0x11
+#define SSM4567_REG_FAULT_CTRL 0x12
+#define SSM4567_REG_PDM_CTRL 0x13
+#define SSM4567_REG_MCLK_RATIO 0x14
+#define SSM4567_REG_BOOST_CTRL_1 0x15
+#define SSM4567_REG_BOOST_CTRL_2 0x16
+#define SSM4567_REG_SOFT_RESET 0xff
+
+/* POWER_CTRL */
+#define SSM4567_POWER_APWDN_EN BIT(7)
+#define SSM4567_POWER_BSNS_PWDN BIT(6)
+#define SSM4567_POWER_VSNS_PWDN BIT(5)
+#define SSM4567_POWER_ISNS_PWDN BIT(4)
+#define SSM4567_POWER_BOOST_PWDN BIT(3)
+#define SSM4567_POWER_AMP_PWDN BIT(2)
+#define SSM4567_POWER_VBAT_ONLY BIT(1)
+#define SSM4567_POWER_SPWDN BIT(0)
+
+/* DAC_CTRL */
+#define SSM4567_DAC_HV BIT(7)
+#define SSM4567_DAC_MUTE BIT(6)
+#define SSM4567_DAC_HPF BIT(5)
+#define SSM4567_DAC_LPM BIT(4)
+#define SSM4567_DAC_FS_MASK 0x7
+#define SSM4567_DAC_FS_8000_12000 0x0
+#define SSM4567_DAC_FS_16000_24000 0x1
+#define SSM4567_DAC_FS_32000_48000 0x2
+#define SSM4567_DAC_FS_64000_96000 0x3
+#define SSM4567_DAC_FS_128000_192000 0x4
+
+struct ssm4567 {
+ struct regmap *regmap;
+};
+
+static const struct reg_default ssm4567_reg_defaults[] = {
+ { SSM4567_REG_POWER_CTRL, 0x81 },
+ { SSM4567_REG_AMP_SNS_CTRL, 0x09 },
+ { SSM4567_REG_DAC_CTRL, 0x32 },
+ { SSM4567_REG_DAC_VOLUME, 0x40 },
+ { SSM4567_REG_SAI_CTRL_1, 0x00 },
+ { SSM4567_REG_SAI_CTRL_2, 0x08 },
+ { SSM4567_REG_SAI_PLACEMENT_1, 0x01 },
+ { SSM4567_REG_SAI_PLACEMENT_2, 0x20 },
+ { SSM4567_REG_SAI_PLACEMENT_3, 0x32 },
+ { SSM4567_REG_SAI_PLACEMENT_4, 0x07 },
+ { SSM4567_REG_SAI_PLACEMENT_5, 0x07 },
+ { SSM4567_REG_SAI_PLACEMENT_6, 0x07 },
+ { SSM4567_REG_BATTERY_V_OUT, 0x00 },
+ { SSM4567_REG_LIMITER_CTRL_1, 0xa4 },
+ { SSM4567_REG_LIMITER_CTRL_2, 0x73 },
+ { SSM4567_REG_LIMITER_CTRL_3, 0x00 },
+ { SSM4567_REG_STATUS_1, 0x00 },
+ { SSM4567_REG_STATUS_2, 0x00 },
+ { SSM4567_REG_FAULT_CTRL, 0x30 },
+ { SSM4567_REG_PDM_CTRL, 0x40 },
+ { SSM4567_REG_MCLK_RATIO, 0x11 },
+ { SSM4567_REG_BOOST_CTRL_1, 0x03 },
+ { SSM4567_REG_BOOST_CTRL_2, 0x00 },
+ { SSM4567_REG_SOFT_RESET, 0x00 },
+};
+
+
+static bool ssm4567_readable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case SSM4567_REG_POWER_CTRL ... SSM4567_REG_BOOST_CTRL_2:
+ return true;
+ default:
+ return false;
+ }
+
+}
+
+static bool ssm4567_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case SSM4567_REG_POWER_CTRL ... SSM4567_REG_SAI_PLACEMENT_6:
+ case SSM4567_REG_LIMITER_CTRL_1 ... SSM4567_REG_LIMITER_CTRL_3:
+ case SSM4567_REG_FAULT_CTRL ... SSM4567_REG_BOOST_CTRL_2:
+ /* The datasheet states that soft reset register is read-only,
+ * but logically it is write-only. */
+ case SSM4567_REG_SOFT_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool ssm4567_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case SSM4567_REG_BATTERY_V_OUT:
+ case SSM4567_REG_STATUS_1 ... SSM4567_REG_STATUS_2:
+ case SSM4567_REG_SOFT_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const DECLARE_TLV_DB_MINMAX_MUTE(ssm4567_vol_tlv, -7125, 2400);
+
+static const struct snd_kcontrol_new ssm4567_snd_controls[] = {
+ SOC_SINGLE_TLV("Master Playback Volume", SSM4567_REG_DAC_VOLUME, 0,
+ 0xff, 1, ssm4567_vol_tlv),
+ SOC_SINGLE("DAC Low Power Mode Switch", SSM4567_REG_DAC_CTRL, 4, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget ssm4567_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM4567_REG_POWER_CTRL, 2, 1),
+
+ SND_SOC_DAPM_OUTPUT("OUT"),
+};
+
+static const struct snd_soc_dapm_route ssm4567_routes[] = {
+ { "OUT", NULL, "DAC" },
+};
+
+static int ssm4567_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct ssm4567 *ssm4567 = snd_soc_codec_get_drvdata(codec);
+ unsigned int rate = params_rate(params);
+ unsigned int dacfs;
+
+ if (rate >= 8000 && rate <= 12000)
+ dacfs = SSM4567_DAC_FS_8000_12000;
+ else if (rate >= 16000 && rate <= 24000)
+ dacfs = SSM4567_DAC_FS_16000_24000;
+ else if (rate >= 32000 && rate <= 48000)
+ dacfs = SSM4567_DAC_FS_32000_48000;
+ else if (rate >= 64000 && rate <= 96000)
+ dacfs = SSM4567_DAC_FS_64000_96000;
+ else if (rate >= 128000 && rate <= 192000)
+ dacfs = SSM4567_DAC_FS_128000_192000;
+ else
+ return -EINVAL;
+
+ return regmap_update_bits(ssm4567->regmap, SSM4567_REG_DAC_CTRL,
+ SSM4567_DAC_FS_MASK, dacfs);
+}
+
+static int ssm4567_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct ssm4567 *ssm4567 = snd_soc_codec_get_drvdata(dai->codec);
+ unsigned int val;
+
+ val = mute ? SSM4567_DAC_MUTE : 0;
+ return regmap_update_bits(ssm4567->regmap, SSM4567_REG_DAC_CTRL,
+ SSM4567_DAC_MUTE, val);
+}
+
+static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable)
+{
+ int ret = 0;
+
+ if (!enable) {
+ ret = regmap_update_bits(ssm4567->regmap,
+ SSM4567_REG_POWER_CTRL,
+ SSM4567_POWER_SPWDN, SSM4567_POWER_SPWDN);
+ regcache_mark_dirty(ssm4567->regmap);
+ }
+
+ regcache_cache_only(ssm4567->regmap, !enable);
+
+ if (enable) {
+ ret = regmap_update_bits(ssm4567->regmap,
+ SSM4567_REG_POWER_CTRL,
+ SSM4567_POWER_SPWDN, 0x00);
+ regcache_sync(ssm4567->regmap);
+ }
+
+ return ret;
+}
+
+static int ssm4567_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct ssm4567 *ssm4567 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ ret = ssm4567_set_power(ssm4567, true);
+ break;
+ case SND_SOC_BIAS_OFF:
+ ret = ssm4567_set_power(ssm4567, false);
+ break;
+ }
+
+ if (ret)
+ return ret;
+
+ codec->dapm.bias_level = level;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops ssm4567_dai_ops = {
+ .hw_params = ssm4567_hw_params,
+ .digital_mute = ssm4567_mute,
+};
+
+static struct snd_soc_dai_driver ssm4567_dai = {
+ .name = "ssm4567-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32,
+ },
+ .ops = &ssm4567_dai_ops,
+};
+
+static struct snd_soc_codec_driver ssm4567_codec_driver = {
+ .set_bias_level = ssm4567_set_bias_level,
+ .idle_bias_off = true,
+
+ .controls = ssm4567_snd_controls,
+ .num_controls = ARRAY_SIZE(ssm4567_snd_controls),
+ .dapm_widgets = ssm4567_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ssm4567_dapm_widgets),
+ .dapm_routes = ssm4567_routes,
+ .num_dapm_routes = ARRAY_SIZE(ssm4567_routes),
+};
+
+static const struct regmap_config ssm4567_regmap_config = {
+ .val_bits = 8,
+ .reg_bits = 8,
+
+ .max_register = SSM4567_REG_SOFT_RESET,
+ .readable_reg = ssm4567_readable_reg,
+ .writeable_reg = ssm4567_writeable_reg,
+ .volatile_reg = ssm4567_volatile_reg,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = ssm4567_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(ssm4567_reg_defaults),
+};
+
+static int ssm4567_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct ssm4567 *ssm4567;
+ int ret;
+
+ ssm4567 = devm_kzalloc(&i2c->dev, sizeof(*ssm4567), GFP_KERNEL);
+ if (ssm4567 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, ssm4567);
+
+ ssm4567->regmap = devm_regmap_init_i2c(i2c, &ssm4567_regmap_config);
+ if (IS_ERR(ssm4567->regmap))
+ return PTR_ERR(ssm4567->regmap);
+
+ ret = regmap_write(ssm4567->regmap, SSM4567_REG_SOFT_RESET, 0x00);
+ if (ret)
+ return ret;
+
+ ret = ssm4567_set_power(ssm4567, false);
+ if (ret)
+ return ret;
+
+ return snd_soc_register_codec(&i2c->dev, &ssm4567_codec_driver,
+ &ssm4567_dai, 1);
+}
+
+static int ssm4567_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id ssm4567_i2c_ids[] = {
+ { "ssm4567", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ssm4567_i2c_ids);
+
+static struct i2c_driver ssm4567_driver = {
+ .driver = {
+ .name = "ssm4567",
+ .owner = THIS_MODULE,
+ },
+ .probe = ssm4567_i2c_probe,
+ .remove = ssm4567_i2c_remove,
+ .id_table = ssm4567_i2c_ids,
+};
+module_i2c_driver(ssm4567_driver);
+
+MODULE_DESCRIPTION("ASoC SSM4567 driver");
+MODULE_AUTHOR("Anatol Pomozov <anatol@chromium.org>");
+MODULE_LICENSE("GPL");
#include <linux/bitrev.h>
#include <linux/clk.h>
-#include <linux/clk-private.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
*/
#include <linux/clk.h>
#include <linux/device.h>
+#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/string.h>
+#include <sound/jack.h>
#include <sound/simple_card.h>
#include <sound/soc-dai.h>
#include <sound/soc.h>
struct asoc_simple_dai codec_dai;
} *dai_props;
unsigned int mclk_fs;
+ int gpio_hp_det;
+ int gpio_mic_det;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};
+#define simple_priv_to_dev(priv) ((priv)->snd_card.dev)
+#define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i)
+#define simple_priv_to_props(priv, i) ((priv)->dai_props + i)
+
static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
.hw_params = asoc_simple_card_hw_params,
};
+static struct snd_soc_jack simple_card_hp_jack;
+static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = {
+ {
+ .pin = "Headphones",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = {
+ .name = "Headphone detection",
+ .report = SND_JACK_HEADPHONE,
+ .debounce_time = 150,
+};
+
+static struct snd_soc_jack simple_card_mic_jack;
+static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = {
+ {
+ .pin = "Mic Jack",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = {
+ .name = "Mic detection",
+ .report = SND_JACK_MICROPHONE,
+ .debounce_time = 150,
+};
+
static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
struct asoc_simple_dai *set)
{
if (ret < 0)
return ret;
+ if (gpio_is_valid(priv->gpio_hp_det)) {
+ snd_soc_jack_new(codec->codec, "Headphones", SND_JACK_HEADPHONE,
+ &simple_card_hp_jack);
+ snd_soc_jack_add_pins(&simple_card_hp_jack,
+ ARRAY_SIZE(simple_card_hp_jack_pins),
+ simple_card_hp_jack_pins);
+
+ simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
+ snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
+ &simple_card_hp_jack_gpio);
+ }
+
+ if (gpio_is_valid(priv->gpio_mic_det)) {
+ snd_soc_jack_new(codec->codec, "Mic Jack", SND_JACK_MICROPHONE,
+ &simple_card_mic_jack);
+ snd_soc_jack_add_pins(&simple_card_mic_jack,
+ ARRAY_SIZE(simple_card_mic_jack_pins),
+ simple_card_mic_jack_pins);
+ simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
+ snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
+ &simple_card_mic_jack_gpio);
+ }
return 0;
}
static int
asoc_simple_card_sub_parse_of(struct device_node *np,
struct asoc_simple_dai *dai,
- const struct device_node **p_node,
- const char **name)
+ struct device_node **p_node,
+ const char **name,
+ int *args_count)
{
- struct device_node *node;
+ struct of_phandle_args args;
struct clk *clk;
u32 val;
int ret;
/*
- * get node via "sound-dai = <&phandle port>"
+ * Get node via "sound-dai = <&phandle port>"
* it will be used as xxx_of_node on soc_bind_dai_link()
*/
- node = of_parse_phandle(np, "sound-dai", 0);
- if (!node)
- return -ENODEV;
- *p_node = node;
+ ret = of_parse_phandle_with_args(np, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret)
+ return ret;
+
+ *p_node = args.np;
- /* get dai->name */
+ if (args_count)
+ *args_count = args.args_count;
+
+ /* Get dai->name */
ret = snd_soc_of_get_dai_name(np, name);
if (ret < 0)
return ret;
- /* parse TDM slot */
+ /* Parse TDM slot */
ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width);
if (ret)
return ret;
/*
- * dai->sysclk come from
- * "clocks = <&xxx>" (if system has common clock)
+ * Parse dai->sysclk come from "clocks = <&xxx>"
+ * (if system has common clock)
* or "system-clock-frequency = <xxx>"
* or device's module clock.
*/
} else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
dai->sysclk = val;
} else {
- clk = of_clk_get(node, 0);
+ clk = of_clk_get(args.np, 0);
if (!IS_ERR(clk))
dai->sysclk = clk_get_rate(clk);
}
return 0;
}
-static int simple_card_dai_link_of(struct device_node *node,
- struct device *dev,
- struct snd_soc_dai_link *dai_link,
- struct simple_dai_props *dai_props,
- bool is_top_level_node)
+static int asoc_simple_card_dai_link_of(struct device_node *node,
+ struct simple_card_data *priv,
+ int idx,
+ bool is_top_level_node)
{
+ struct device *dev = simple_priv_to_dev(priv);
+ struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
+ struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
struct device_node *np = NULL;
struct device_node *bitclkmaster = NULL;
struct device_node *framemaster = NULL;
char *name;
char prop[128];
char *prefix = "";
- int ret;
+ int ret, cpu_args;
+ /* For single DAI link & old style of DT node */
if (is_top_level_node)
prefix = "simple-audio-card,";
ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai,
&dai_link->cpu_of_node,
- &dai_link->cpu_dai_name);
+ &dai_link->cpu_dai_name,
+ &cpu_args);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai,
&dai_link->codec_of_node,
- &dai_link->codec_dai_name);
+ &dai_link->codec_dai_name, NULL);
if (ret < 0)
goto dai_link_of_err;
if (strlen(prefix) && !bitclkmaster && !framemaster) {
- /* No dai-link level and master setting was not found from
- sound node level, revert back to legacy DT parsing and
- take the settings from codec node. */
+ /*
+ * No DAI link level and master setting was found
+ * from sound node level, revert back to legacy DT
+ * parsing and take the settings from codec node.
+ */
dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n",
__func__);
dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt =
goto dai_link_of_err;
}
- /* simple-card assumes platform == cpu */
+ /* Simple Card assumes platform == cpu */
dai_link->platform_of_node = dai_link->cpu_of_node;
- /* Link name is created from CPU/CODEC dai name */
+ /* DAI link name is created from CPU/CODEC dai name */
name = devm_kzalloc(dev,
strlen(dai_link->cpu_dai_name) +
strlen(dai_link->codec_dai_name) + 2,
dai_link->codec_dai_name);
dai_link->name = dai_link->stream_name = name;
dai_link->ops = &asoc_simple_card_ops;
+ dai_link->init = asoc_simple_card_dai_init;
dev_dbg(dev, "\tname : %s\n", dai_link->stream_name);
dev_dbg(dev, "\tcpu : %s / %04x / %d\n",
dai_props->codec_dai.fmt,
dai_props->codec_dai.sysclk);
+ /*
+ * In soc_bind_dai_link() will check cpu name after
+ * of_node matching if dai_link has cpu_dai_name.
+ * but, it will never match if name was created by
+ * fmt_single_name() remove cpu_dai_name if cpu_args
+ * was 0. See:
+ * fmt_single_name()
+ * fmt_multiple_name()
+ */
+ if (!cpu_args)
+ dai_link->cpu_dai_name = NULL;
+
dai_link_of_err:
if (np)
of_node_put(np);
}
static int asoc_simple_card_parse_of(struct device_node *node,
- struct simple_card_data *priv,
- struct device *dev,
- int multi)
+ struct simple_card_data *priv)
{
- struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link;
- struct simple_dai_props *dai_props = priv->dai_props;
+ struct device *dev = simple_priv_to_dev(priv);
u32 val;
int ret;
- /* parsing the card name from DT */
+ if (!node)
+ return -EINVAL;
+
+ /* Parse the card name from DT */
snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");
- /* off-codec widgets */
+ /* The off-codec widgets */
if (of_property_read_bool(node, "simple-audio-card,widgets")) {
ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card,
"simple-audio-card,widgets");
dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ?
priv->snd_card.name : "");
- if (multi) {
+ /* Single/Muti DAI link(s) & New style of DT node */
+ if (of_get_child_by_name(node, "simple-audio-card,dai-link")) {
struct device_node *np = NULL;
- int i;
- for (i = 0; (np = of_get_next_child(node, np)); i++) {
+ int i = 0;
+
+ for_each_child_of_node(node, np) {
dev_dbg(dev, "\tlink %d:\n", i);
- ret = simple_card_dai_link_of(np, dev, dai_link + i,
- dai_props + i, false);
+ ret = asoc_simple_card_dai_link_of(np, priv,
+ i, false);
if (ret < 0) {
of_node_put(np);
return ret;
}
+ i++;
}
} else {
- ret = simple_card_dai_link_of(node, dev, dai_link, dai_props,
- true);
+ /* For single DAI link & old style of DT node */
+ ret = asoc_simple_card_dai_link_of(node, priv, 0, true);
if (ret < 0)
return ret;
}
+ priv->gpio_hp_det = of_get_named_gpio(node,
+ "simple-audio-card,hp-det-gpio", 0);
+ if (priv->gpio_hp_det == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ priv->gpio_mic_det = of_get_named_gpio(node,
+ "simple-audio-card,mic-det-gpio", 0);
+ if (priv->gpio_mic_det == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
if (!priv->snd_card.name)
priv->snd_card.name = priv->snd_card.dai_link->name;
return 0;
}
-/* update the reference count of the devices nodes at end of probe */
+/* Decrease the reference count of the device nodes */
static int asoc_simple_card_unref(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_dai_link *dai_link;
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
- int num_links, multi, ret;
+ int num_links, ret;
- /* get the number of DAI links */
- if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) {
+ /* Get the number of DAI links */
+ if (np && of_get_child_by_name(np, "simple-audio-card,dai-link"))
num_links = of_get_child_count(np);
- multi = 1;
- } else {
+ else
num_links = 1;
- multi = 0;
- }
- /* allocate the private data and the DAI link array */
+ /* Allocate the private data and the DAI link array */
priv = devm_kzalloc(dev,
sizeof(*priv) + sizeof(*dai_link) * num_links,
GFP_KERNEL);
if (!priv)
return -ENOMEM;
- /*
- * init snd_soc_card
- */
+ /* Init snd_soc_card */
priv->snd_card.owner = THIS_MODULE;
priv->snd_card.dev = dev;
dai_link = priv->dai_link;
priv->snd_card.dai_link = dai_link;
priv->snd_card.num_links = num_links;
- /* get room for the other properties */
+ /* Get room for the other properties */
priv->dai_props = devm_kzalloc(dev,
sizeof(*priv->dai_props) * num_links,
GFP_KERNEL);
if (np && of_device_is_available(np)) {
- ret = asoc_simple_card_parse_of(np, priv, dev, multi);
+ ret = asoc_simple_card_parse_of(np, priv);
if (ret < 0) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "parse error %d\n", ret);
goto err;
}
- /*
- * soc_bind_dai_link() will check cpu name
- * after of_node matching if dai_link has cpu_dai_name.
- * but, it will never match if name was created by fmt_single_name()
- * remove cpu_dai_name to escape name matching.
- * see
- * fmt_single_name()
- * fmt_multiple_name()
- */
- if (num_links == 1)
- dai_link->cpu_dai_name = NULL;
-
} else {
struct asoc_simple_card_info *cinfo;
dai_link->codec_name = cinfo->codec;
dai_link->cpu_dai_name = cinfo->cpu_dai.name;
dai_link->codec_dai_name = cinfo->codec_dai.name;
+ dai_link->init = asoc_simple_card_dai_init;
memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai,
sizeof(priv->dai_props->cpu_dai));
memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai,
priv->dai_props->codec_dai.fmt |= cinfo->daifmt;
}
- /*
- * init snd_soc_dai_link
- */
- dai_link->init = asoc_simple_card_dai_init;
-
snd_soc_card_set_drvdata(&priv->snd_card, priv);
ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card);
static int asoc_simple_card_remove(struct platform_device *pdev)
{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(card);
+
+ if (gpio_is_valid(priv->gpio_hp_det))
+ snd_soc_jack_free_gpios(&simple_card_hp_jack, 1,
+ &simple_card_hp_jack_gpio);
+ if (gpio_is_valid(priv->gpio_mic_det))
+ snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
+ &simple_card_mic_jack_gpio);
+
return asoc_simple_card_unref(pdev);
}
return -EINVAL;
}
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ usp->daifmt_format |= (fmt & SND_SOC_DAIFMT_INV_MASK);
+ break;
+ default:
+ return -EINVAL;
+ }
+
return 0;
}
shifter_len = data_len;
- switch (usp->daifmt_format) {
+ switch (usp->daifmt_format & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
USP_I2S_SYNC_CHG, USP_I2S_SYNC_CHG);
return -EINVAL;
}
+ switch (usp->daifmt_format & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ regmap_update_bits(usp->regmap, USP_MODE1,
+ USP_RXD_ACT_EDGE_FALLING | USP_TXD_ACT_EDGE_FALLING,
+ USP_RXD_ACT_EDGE_FALLING);
+ break;
+ default:
+ return -EINVAL;
+ }
+
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
regmap_update_bits(usp->regmap, USP_TX_FRAME_CTRL,
USP_TXC_DATA_LEN_MASK | USP_TXC_FRAME_LEN_MASK
projects / karo-tx-linux.git / commitdiff