Main source code for tas2781 driver for SPI. Signed-off-by: Baojun Xu <baojun.xu@xxxxxx> --- v2: - Update information in file header of tas2781-spi.h. - Remove useless micro define. - Change TASDEVICE_I2CChecksum to TASDEVICE_Checksum - Remove enum control_bus as current code support SPI only. - Remove device define as current code support TAS2781 only. - Remove spi_device **spi_devs in structure tasdevice_priv. - Remove cal_binaryname in structure tasdevice_priv. - Remove ndev in structure tasdevice_priv. - Change isacpi and isspi, replace by control_bus(I2C or SPI). - Remove void tasdevice_spi_dsp_remove(void *context). - Add acpi_device and irq in structure tas2781_hda in tas2781_hda_spi.c. - Remove parameter chn in all of registers access functions. - Add tascodec_spi_init(). - Add chip select gpio set for SPI device. - Change tasdevice_tuning_switch() to tasdevice_spi_tuning_switch(). - Change device offset from tas_priv->ndev to tas_priv->index. - Change tasdevice_dsp_remove() to tasdevice_spi_dsp_remove(). - tasdevice_prmg_load() to tasdevice_spi_prmg_load(). - Change tasdevice_config_info_remove() to tasdevice_spi_config_info_remove(). - Add one dummy byte shift when read from page 2~127, or not book 0. - Change tasdevice_spi_change_chn_book() to tasdevice_spi_switch_book() - Perform put_device(physdev) before error return. - Change calibration data id to 2781 from 2783 in EFI - Change calibration data structure name in comments. --- sound/pci/hda/tas2781-spi.h | 162 ++++ sound/pci/hda/tas2781_hda_spi.c | 1336 +++++++++++++++++++++++++++++++ 2 files changed, 1498 insertions(+) create mode 100644 sound/pci/hda/tas2781-spi.h create mode 100644 sound/pci/hda/tas2781_hda_spi.c diff --git a/sound/pci/hda/tas2781-spi.h b/sound/pci/hda/tas2781-spi.h new file mode 100644 index 000000000000..2540bce175d1 --- /dev/null +++ b/sound/pci/hda/tas2781-spi.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2024 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for TAS2781 chips. +// +// Author: Baojun Xu <baojun.xu@xxxxxx> +// + +#ifndef __TAS2781_SPI_H__ +#define __TAS2781_SPI_H__ + +#include <sound/tas2781-dsp.h> + +#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_88200) + +#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +/*PAGE Control Register (available in page0 of each book) */ +#define TASDEVICE_PAGE_SELECT 0x00 +#define TASDEVICE_BOOKCTL_PAGE 0x00 +#define TASDEVICE_BOOKCTL_REG 127 +#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128)) +#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128) +#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128) +#define TASDEVICE_PGRG(reg) (reg % (256 * 128)) +#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \ + (page * 128)) + reg) + +/*Software Reset */ +#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01) +#define TAS2781_REG_SWRESET_RESET BIT(0) + +/*I2C Checksum */ +#define TASDEVICE_Checksum TASDEVICE_REG(0x0, 0x0, 0x7E) + +/* Volume control */ +#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A) +#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) +#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) + +#define TASDEVICE_CMD_SING_W 0x1 +#define TASDEVICE_CMD_BURST 0x2 +#define TASDEVICE_CMD_DELAY 0x3 +#define TASDEVICE_CMD_FIELD_W 0x4 + +#define TAS2781_SPI_MAX_FREQ 4000000 + +enum device_catlog_id { + HP = 0, + OTHERS +}; + +struct tasdevice { + struct tasdevice_fw *cali_data_fmw; + unsigned int dev_addr; + unsigned int err_code; + unsigned char cur_book; + short cur_prog; + short cur_conf; + bool is_loading; + bool is_loaderr; +}; + +struct tasdevice_irqinfo { + int irq_gpio; + int irq; +}; + +struct calidata { + unsigned char *data; + unsigned long total_sz; +}; + +struct tasdevice_priv { + struct tasdevice tasdevice; + struct tasdevice_irqinfo irq_info; + struct tasdevice_rca rcabin; + struct calidata cali_data; + struct tasdevice_fw *fmw; + struct gpio_desc *reset; + struct gpio_desc *chipselect; + struct mutex codec_lock; + struct regmap *regmap; + struct device *dev; + struct tm tm; + + enum device_catlog_id catlog_id; + const char *acpi_subsystem_id; + unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; + unsigned char coef_binaryname[64]; + unsigned char rca_binaryname[64]; + unsigned char dev_name[32]; + unsigned int magic_num; + unsigned int chip_id; + unsigned int sysclk; + + int cur_prog; + int cur_conf; + int fw_state; + int index; + void *client; + void *codec; + bool force_fwload_status; + bool playback_started; + unsigned int global_addr; + + int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv, + const struct firmware *fmw, int offset); + int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset); + int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset); + int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv, + struct tasdev_blk *block); + + int (*save_calibration)(struct tasdevice_priv *tas_priv); + void (*apply_calibration)(struct tasdevice_priv *tas_priv); +}; + +int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, + struct module *module, + void (*cont)(const struct firmware *fw, void *context)); +int tasdevice_save_calibration(struct tasdevice_priv *tas_priv); +void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv); +void tasdevice_remove(struct tasdevice_priv *tas_priv); +int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int *value); +int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int value); +int tasdevice_spi_dev_bulk_write( + struct tasdevice_priv *tas_priv, unsigned int reg, + unsigned char *p_data, unsigned int n_length); +int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned char *p_data, unsigned int n_length); +int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tasdevice, + unsigned int reg, unsigned int mask, unsigned int value); + +void tasdevice_spi_select_cfg_blk(void *context, int conf_no, + unsigned char block_type); +void tasdevice_spi_config_info_remove(void *context); +int tasdevice_spi_dsp_parser(void *context); +int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw); +void tasdevice_spi_dsp_remove(void *context); +void tasdevice_spi_calbin_remove(void *context); +int tasdevice_spi_select_tuningprm_cfg(void *context, int prm, + int cfg_no, int rca_conf_no); +int tasdevice_spi_prmg_load(void *context, int prm_no); +int tasdevice_spi_prmg_calibdata_load(void *context, int prm_no); +void tasdevice_spi_tuning_switch(void *context, int state); +int tas2781_spi_load_calibration(void *context, char *file_name, + unsigned short i); +#endif /* __TAS2781_SPI_H__ */ diff --git a/sound/pci/hda/tas2781_hda_spi.c b/sound/pci/hda/tas2781_hda_spi.c new file mode 100644 index 000000000000..0ac3757ac259 --- /dev/null +++ b/sound/pci/hda/tas2781_hda_spi.c @@ -0,0 +1,1336 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// TAS2781 HDA SPI driver +// +// Copyright 2024 Texas Instruments, Inc. +// +// Author: Baojun Xu <baojun.xu@xxxxxx> + +#include <linux/acpi.h> +#include <linux/crc8.h> +#include <linux/crc32.h> +#include <linux/efi.h> +#include <linux/firmware.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> +#include <sound/hda_codec.h> +#include <sound/soc.h> +#include <sound/tlv.h> +#include <sound/tas2781-tlv.h> + +#include "tas2781-spi.h" + +#include "hda_local.h" +#include "hda_auto_parser.h" +#include "hda_component.h" +#include "hda_jack.h" +#include "hda_generic.h" + +#define TASDEVICE_CRC8_POLYNOMIAL 0x4d + +#define TASDEVICE_SPEAKER_CALIBRATION_SIZE 20 + +/* No standard control callbacks for SNDRV_CTL_ELEM_IFACE_CARD + * Define two controls, one is Volume control callbacks, the other is + * flag setting control callbacks. + */ + +/* Volume control callbacks for tas2781 */ +#define ACARD_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ + xhandler_get, xhandler_put, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = (xname),\ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ + SNDRV_CTL_ELEM_ACCESS_READWRITE,\ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw_range, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .rreg = xreg, .shift = xshift, \ + .rshift = xshift, .min = xmin, .max = xmax, \ + .invert = xinvert} } + +/* Flag control callbacks for tas2781 */ +#define ACARD_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, \ + .info = snd_ctl_boolean_mono_info, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = xdata } + + +enum calib_data { + R0_VAL = 0, + INV_R0, + R0LOW, + POWER, + TLIM, + CALIB_MAX +}; + +struct tas2781_hda { + struct device *dev; + struct gpio_desc *cs_gpio; + struct gpio_desc *reset_gpio; + struct tasdevice_priv *priv; + struct acpi_device *dacpi; + struct snd_kcontrol *dsp_prog_ctl; + struct snd_kcontrol *dsp_conf_ctl; + struct snd_kcontrol *prof_ctl; + struct snd_kcontrol *snd_ctls[3]; + + int irq; +}; + +static const struct regmap_range_cfg tasdevice_ranges[] = { + { + .range_min = 0, + .range_max = 256 * 128, + .selector_reg = TASDEVICE_PAGE_SELECT, + .selector_mask = 0xff, + .selector_shift = 0, + .window_start = 0, + .window_len = 128, + }, +}; + +static const struct regmap_config tasdevice_regmap = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_NONE, + .ranges = tasdevice_ranges, + .num_ranges = ARRAY_SIZE(tasdevice_ranges), + .max_register = 256 * 128, +}; + + +static void tas2781_spi_reset(struct tasdevice_priv *tas_dev); +static int tasdevice_spi_init(struct tasdevice_priv *tas_priv); +static int tasdevice_spi_amp_putvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); +static int tasdevice_spi_amp_getvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); +static int tasdevice_spi_digital_putvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); +static int tasdevice_spi_digital_getvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); + +static int tasdevice_spi_switch_book(struct tasdevice_priv *tas_priv, + int book) +{ + struct tasdevice *tasdev = &tas_priv->tasdevice; + struct regmap *map = tas_priv->regmap; + int ret = 0; + + if (tasdev->cur_book != book) { + /* Change to page 0 before book change. */ + ret = regmap_write(map, TASDEVICE_PAGE_SELECT, 0); + if (ret < 0) { + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + return ret; + } + ret = regmap_write(map, TASDEVICE_BOOKCTL_REG, book); + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + tasdev->cur_book = book; + } + + return ret; +} + +int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int *val) +{ + struct regmap *map = tas_priv->regmap; + int ret; + + ret = tasdevice_spi_switch_book(tas_priv, TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + return ret; + + /* + * In our TAS2781 SPI mode, if read from other book (not book 0), + * or read from page number larger than 1 in book 0, one byte more + * read is needed, and first byte is a dummy byte, need to be ignored. + */ + if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) { + unsigned char data[2]; + + ret = regmap_bulk_read(map, TASDEVICE_PGRG(reg), data, 2); + *val = data[1]; + } else { + ret = regmap_read(map, TASDEVICE_PGRG(reg), val); + } + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tasdevice_spi_dev_read); + +int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int value) +{ + struct regmap *map = tas_priv->regmap; + int ret; + + ret = tasdevice_spi_switch_book(tas_priv, TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + return ret; + + ret = regmap_write(map, TASDEVICE_PGRG(reg), value); + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tasdevice_spi_dev_write); + +int tasdevice_spi_dev_bulk_write(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned char *data, unsigned int len) +{ + struct regmap *map = tas_priv->regmap; + int ret; + + ret = tasdevice_spi_switch_book(tas_priv, TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + return ret; + + ret = regmap_bulk_write(map, TASDEVICE_PGRG(reg), data, len); + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tasdevice_spi_dev_bulk_write); + +int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned char *data, unsigned int len) +{ + struct regmap *map = tas_priv->regmap; + int ret; + + ret = tasdevice_spi_switch_book(tas_priv, TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + return ret; + + /* + * In our TAS2781 SPI mode, if read from other book (not book 0), + * or read from page number larger than 1 in book 0, one byte more + * read is needed, and first byte is a dummy byte, need to be ignored. + */ + if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) { + unsigned char buf[129]; + + ret = regmap_bulk_read(map, TASDEVICE_PGRG(reg), + buf, len + 1); + memcpy(data, buf + 1, len); + } else { + ret = regmap_bulk_read(map, TASDEVICE_PGRG(reg), data, len); + } + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tasdevice_spi_dev_bulk_read); + +int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int mask, unsigned int value) +{ + struct regmap *map = tas_priv->regmap; + int ret; + + ret = tasdevice_spi_switch_book(tas_priv, TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + return ret; + + ret = regmap_update_bits(map, TASDEVICE_PGRG(reg), mask, value); + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(tasdevice_spi_dev_update_bits); + +static void tas2781_spi_reset(struct tasdevice_priv *tas_dev) +{ + int ret; + + if (tas_dev->reset) { + gpiod_set_value_cansleep(tas_dev->reset, 0); + usleep_range(500, 1000); + gpiod_set_value_cansleep(tas_dev->reset, 1); + } else { + ret = tasdevice_spi_dev_write(tas_dev, + TAS2781_REG_SWRESET, TAS2781_REG_SWRESET_RESET); + if (ret < 0) + dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret); + } + usleep_range(1000, 1050); +} + +static int tascodec_spi_init(struct tasdevice_priv *tas_priv, void *codec, + struct module *module, + void (*cont)(const struct firmware *fw, void *context)) +{ + int ret = 0; + + /* + * Codec Lock Hold to ensure that codec_probe and firmware parsing and + * loading do not simultaneously execute. + */ + mutex_lock(&tas_priv->codec_lock); + + scnprintf(tas_priv->rca_binaryname, 64, "%sRCA%d.bin", + tas_priv->dev_name, tas_priv->index); + crc8_populate_msb(tas_priv->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL); + tas_priv->codec = codec; + ret = request_firmware_nowait(module, FW_ACTION_UEVENT, + tas_priv->rca_binaryname, tas_priv->dev, GFP_KERNEL, tas_priv, + cont); + if (ret) + dev_err(tas_priv->dev, "request_firmware_nowait err:0x%08x\n", + ret); + + /* Codec Lock Release*/ + mutex_unlock(&tas_priv->codec_lock); + return ret; +} + +static int tasdevice_spi_init(struct tasdevice_priv *tas_priv) +{ + tas_priv->cur_prog = -1; + tas_priv->cur_conf = -1; + + tas_priv->tasdevice.cur_book = -1; + tas_priv->tasdevice.cur_prog = -1; + tas_priv->tasdevice.cur_conf = -1; + + mutex_init(&tas_priv->codec_lock); + + return 0; +} + +static int tasdevice_clamp(int val, int max, unsigned int invert) +{ + if (val > max) + val = max; + if (invert) + val = max - val; + if (val < 0) + val = 0; + return val; +} + +static int tasdevice_spi_amp_putvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + unsigned char mask; + int max = mc->max; + int val, ret; + + mask = (1 << fls(max)) - 1; + mask <<= mc->shift; + val = tasdevice_clamp(ucontrol->value.integer.value[0], max, invert); + ret = tasdevice_spi_dev_update_bits(tas_priv, + mc->reg, mask, (unsigned int)(val << mc->shift)); + if (ret) + dev_err(tas_priv->dev, "set AMP vol error in dev %d\n", + tas_priv->index); + + return ret; +} + +static int tasdevice_spi_amp_getvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + unsigned char mask = 0; + int max = mc->max; + int ret = 0; + int val; + + /* Read the primary device */ + ret = tasdevice_spi_dev_read(tas_priv, mc->reg, &val); + if (ret) { + dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__); + return ret; + } + + mask = (1 << fls(max)) - 1; + mask <<= mc->shift; + val = (val & mask) >> mc->shift; + val = tasdevice_clamp(val, max, invert); + ucontrol->value.integer.value[0] = val; + + return ret; + +} + +static int tasdevice_spi_digital_putvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + int max = mc->max; + int val, ret; + + val = tasdevice_clamp(ucontrol->value.integer.value[0], max, invert); + + ret = tasdevice_spi_dev_write(tas_priv, mc->reg, (unsigned int)val); + if (ret) + dev_err(tas_priv->dev, "set digital vol err in dev %d\n", + tas_priv->index); + + return ret; + +} + +static int tasdevice_spi_digital_getvol(struct tasdevice_priv *tas_priv, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + int max = mc->max; + int ret, val; + + /* Read the primary device as the whole */ + ret = tasdevice_spi_dev_read(tas_priv, mc->reg, &val); + if (ret) { + dev_err(tas_priv->dev, "%s, get digital vol err\n", __func__); + return ret; + } + + val = tasdevice_clamp(val, max, invert); + ucontrol->value.integer.value[0] = val; + + return ret; + +} + +static int tas2781_read_acpi(struct tas2781_hda *tas_hda, const char *hid, + int id) +{ + struct tasdevice_priv *p = tas_hda->priv; + struct gpio_desc *cs_gpiod; + struct acpi_device *adev; + struct device *physdev; + struct spi_device *spi; + u32 values[HDA_MAX_COMPONENTS]; + const char *sub, *property; + size_t nval; + int ret, i; + + adev = acpi_dev_get_first_match_dev(hid, NULL, -1); + if (!adev) { + dev_err(p->dev, + "Failed to find an ACPI device for %s\n", hid); + return -ENODEV; + } + + strscpy(p->dev_name, hid, sizeof(p->dev_name)); + tas_hda->dacpi = adev; + physdev = get_device(acpi_get_first_physical_node(adev)); + + /* No side-effect to the playback even if subsystem_id is NULL*/ + sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev)); + if (IS_ERR(sub)) + sub = NULL; + + p->acpi_subsystem_id = sub; + + property = "ti,dev-index"; + ret = device_property_count_u32(physdev, property); + if (ret <= 0) + goto err; + + if (ret > ARRAY_SIZE(values)) { + ret = -EINVAL; + goto err; + } + nval = ret; + + ret = device_property_read_u32_array(physdev, property, values, nval); + if (ret) + goto err; + + p->index = 0xFF; + for (i = 0; i < nval; i++) { + if (values[i] == id) { + p->index = i; + break; + } + } + /* + * It's not an error for the ID to be missing: for I2C there can be + * an alias address that is not a real device. So reject silently. + */ + if (p->index == 0xFF) { + dev_dbg(p->dev, "No index found in %s\n", property); + ret = -ENODEV; + goto err; + } + + p->reset = devm_gpiod_get_index_optional(physdev, + "reset", p->index, GPIOD_OUT_LOW); + if (IS_ERR(p->reset)) { + ret = PTR_ERR(p->reset); + + /* + * If RESET is shared the first amp to probe will grab the + * reset line and reset all the amps + */ + if (ret != -EBUSY) { + dev_err_probe(p->dev, ret, + "Failed to get reset GPIO\n"); + goto err; + } + + dev_info(p->dev, "Reset GPIO busy, assume shared reset\n"); + p->reset = NULL; + } + + /* + * Manually set the Chip Select for the second amp <cs_gpio_index> + * in the node. + * This is only supported for systems with 2 amps, since we cannot + * expand the default number of chip selects without using cs-gpios + * The CS GPIO must be set high prior to communicating with the + * first amp (which uses a native chip select), to ensure the second + * amp does not clash with the first. + */ + if (IS_ENABLED(CONFIG_SPI)) { + spi = to_spi_device(p->dev); + + /* + * This is obtained using driver_gpios, since only one GPIO + * for CS exists, this can be obtained using index 0. + */ + cs_gpiod = devm_gpiod_get_index_optional(physdev, "cs", + p->index, GPIOD_OUT_LOW); + if (IS_ERR(cs_gpiod)) { + dev_err(p->dev, + "Unable to get CS GPIO descriptor\n"); + ret = PTR_ERR(cs_gpiod); + goto err; + } + if (id == 1) { + spi_set_csgpiod(spi, 0, cs_gpiod); + p->chipselect = cs_gpiod; + } else { + gpiod_set_value_cansleep(cs_gpiod, true); + gpiod_put(cs_gpiod); + } + spi_setup(spi); + } + put_device(physdev); + + return 0; + +err: + dev_err(p->dev, "read acpi error, ret: %d\n", ret); + put_device(physdev); + acpi_dev_put(adev); + + return ret; +} + +static void tas2781_hda_playback_hook(struct device *dev, int action) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + + switch (action) { + case HDA_GEN_PCM_ACT_OPEN: + pm_runtime_get_sync(dev); + mutex_lock(&tas_hda->priv->codec_lock); + tasdevice_spi_tuning_switch(tas_hda->priv, 0); + mutex_unlock(&tas_hda->priv->codec_lock); + break; + case HDA_GEN_PCM_ACT_CLOSE: + mutex_lock(&tas_hda->priv->codec_lock); + tasdevice_spi_tuning_switch(tas_hda->priv, 1); + mutex_unlock(&tas_hda->priv->codec_lock); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + break; + default: + dev_dbg(tas_hda->dev, "Playback action not supported: %d\n", + action); + break; + } +} + +static int tasdevice_info_profile(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1; + + return 0; +} + +static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id; + + return 0; +} + +static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + int nr_profile = ucontrol->value.integer.value[0]; + int max = tas_priv->rcabin.ncfgs - 1; + int val, ret = 0; + + val = clamp(nr_profile, 0, max); + + if (tas_priv->rcabin.profile_cfg_id != val) { + tas_priv->rcabin.profile_cfg_id = val; + ret = 1; + } + + return ret; +} + +static int tasdevice_info_programs(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct tasdevice_fw *tas_fw = tas_priv->fmw; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = tas_fw->nr_programs - 1; + + return 0; +} + +static int tasdevice_info_config(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct tasdevice_fw *tas_fw = tas_priv->fmw; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = tas_fw->nr_configurations - 1; + + return 0; +} + +static int tasdevice_program_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = tas_priv->cur_prog; + + return 0; +} + +static int tasdevice_program_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct tasdevice_fw *tas_fw = tas_priv->fmw; + int nr_program = ucontrol->value.integer.value[0]; + int max = tas_fw->nr_programs - 1; + int val, ret = 0; + + val = clamp(nr_program, 0, max); + + if (tas_priv->cur_prog != val) { + tas_priv->cur_prog = val; + ret = 1; + } + + return ret; +} + +static int tasdevice_config_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = tas_priv->cur_conf; + + return 0; +} + +static int tasdevice_config_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct tasdevice_fw *tas_fw = tas_priv->fmw; + int nr_config = ucontrol->value.integer.value[0]; + int max = tas_fw->nr_configurations - 1; + int val, ret = 0; + + val = clamp(nr_config, 0, max); + + if (tas_priv->cur_conf != val) { + tas_priv->cur_conf = val; + ret = 1; + } + + return ret; +} + +/* + * tas2781_digital_getvol - get the volum control + * @kcontrol: control pointer + * @ucontrol: User data + * Customer Kcontrol for tas2781 is primarily for regmap booking, paging + * depends on internal regmap mechanism. + * tas2781 contains book and page two-level register map, especially + * book switching will set the register BXXP00R7F, after switching to the + * correct book, then leverage the mechanism for paging to access the + * register. + */ +static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + return tasdevice_spi_digital_getvol(tas_priv, ucontrol, mc); +} + +static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + return tasdevice_spi_amp_getvol(tas_priv, ucontrol, mc); +} + +static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + /* The check of the given value is in tasdevice_digital_putvol. */ + return tasdevice_spi_digital_putvol(tas_priv, ucontrol, mc); +} + +static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + /* The check of the given value is in tasdevice_amp_putvol. */ + return tasdevice_spi_amp_putvol(tas_priv, ucontrol, mc); +} + +static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status; + dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, + tas_priv->force_fwload_status ? "ON" : "OFF"); + + return 0; +} + +static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); + bool change, val = (bool)ucontrol->value.integer.value[0]; + + if (tas_priv->force_fwload_status == val) + change = false; + else { + change = true; + tas_priv->force_fwload_status = val; + } + dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, + tas_priv->force_fwload_status ? "ON" : "OFF"); + + return change; +} + +static const struct snd_kcontrol_new tas2781_snd_controls[] = { + ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL, + 1, 0, 20, 0, tas2781_amp_getvol, + tas2781_amp_putvol, amp_vol_tlv), + ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL, + 0, 0, 200, 1, tas2781_digital_getvol, + tas2781_digital_putvol, dvc_tlv), + ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0, + tas2781_force_fwload_get, tas2781_force_fwload_put), +}; + +static const struct snd_kcontrol_new tas2781_prof_ctrl = { + .name = "Speaker Profile Id", + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_profile, + .get = tasdevice_get_profile_id, + .put = tasdevice_set_profile_id, +}; + +static const struct snd_kcontrol_new tas2781_dsp_prog_ctrl = { + .name = "Speaker Program Id", + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_programs, + .get = tasdevice_program_get, + .put = tasdevice_program_put, +}; + +static const struct snd_kcontrol_new tas2781_dsp_conf_ctrl = { + .name = "Speaker Config Id", + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_config, + .get = tasdevice_config_get, + .put = tasdevice_config_put, +}; + +static void tas2781_apply_calib(struct tasdevice_priv *tas_priv) +{ + static const unsigned char page_array[CALIB_MAX] = { + 0x17, 0x18, 0x18, 0x13, 0x18 + }; + static const unsigned char rgno_array[CALIB_MAX] = { + 0x74, 0x0c, 0x14, 0x70, 0x7c + }; + unsigned char *data; + int j, rc; + + data = tas_priv->cali_data.data + + tas_priv->index * TASDEVICE_SPEAKER_CALIBRATION_SIZE; + for (j = 0; j < CALIB_MAX; j++) { + rc = tasdevice_spi_dev_bulk_write(tas_priv, + TASDEVICE_REG(0, page_array[j], rgno_array[j]), + &(data[4 * j]), 4); + if (rc < 0) + dev_err(tas_priv->dev, + "chn %d calib %d bulk_wr err = %d\n", + tas_priv->index, j, rc); + } + +} + +/* + * Update the calibration data, including speaker impedance, f0, etc, + * into algo. Calibrate data is done by manufacturer in the factory. + * These data are used by Algo for calculating the speaker temperature, + * speaker membrane excursion and f0 in real time during playback. + * Calibration data format in EFI is V2, since 2024. + */ +static int tas2781_save_calibration(struct tasdevice_priv *tas_priv) +{ + efi_guid_t efi_guid = EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d, + 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3); + static efi_char16_t efi_name[] = L"CALI_DATA"; + struct tm *tm = &tas_priv->tm; + unsigned int attr, crc; + unsigned int *tmp_val; + efi_status_t status; + + tas_priv->cali_data.total_sz = 0; + /* Get real size of UEFI variable */ + status = efi.get_variable(efi_name, &efi_guid, &attr, + &tas_priv->cali_data.total_sz, tas_priv->cali_data.data); + if (status == EFI_BUFFER_TOO_SMALL) { + /* Allocate data buffer of data_size bytes */ + tas_priv->cali_data.data = devm_kzalloc(tas_priv->dev, + tas_priv->cali_data.total_sz, GFP_KERNEL); + if (!tas_priv->cali_data.data) + return -ENOMEM; + /* Get variable contents into buffer */ + status = efi.get_variable(efi_name, &efi_guid, &attr, + &tas_priv->cali_data.total_sz, + tas_priv->cali_data.data); + } + if (status != EFI_SUCCESS) + return -EINVAL; + + tmp_val = (unsigned int *)tas_priv->cali_data.data; + if (tmp_val[0] == 2781) { + /* + * New features were added in calibrated Data V2: + * 1. Added some the fields to store the link_id and + * uniqie_id for multi-link solutions + * 2. Support flexible number of devices instead of + * fixed one in V1. + * Layout of calibrated data V2 in UEFI(total 256 bytes): + * ChipID (2783, 4 bytes) + * Device-Sum (4 bytes) + * TimeStamp of Calibration (4 bytes) + * for (i = 0; i < Device-Sum; i++) { + * Device #i index_info () { + * SDW link id (2bytes) + * SDW unique_id (2bytes) + * } + * Calibrated Data of Device #i (20 bytes) + * } + * CRC (4 bytes) + * Reserved (the rest) + */ + crc = crc32(~0, tas_priv->cali_data.data, + 3 + tmp_val[0] * 6) ^ ~0; + dev_dbg(tas_priv->dev, "cali crc 0x%08x PK tmp_val 0x%08x\n", + crc, tmp_val[3 + tmp_val[0] * 6]); + + if (crc == tmp_val[3+tmp_val[0]*6]) { + time64_to_tm(tmp_val[2], 0, tm); + dev_dbg(tas_priv->dev, "%4ld-%2d-%2d, %2d:%2d:%2d\n", + tm->tm_year, tm->tm_mon, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec); + tasdevice_apply_calibration(tas_priv); + } else { + tas_priv->cali_data.total_sz = 0; + } + } else { + /* + * Calibration data is in V1 format. + * struct cali_data { + * char cali_data[20]; + * } + * + * struct { + * struct cali_data cali_data[4]; + * int TimeStamp of Calibration (4 bytes) + * int CRC (4 bytes) + * } ueft; + */ + crc = crc32(~0, tas_priv->cali_data.data, 84) ^ ~0; + dev_dbg(tas_priv->dev, "cali crc 0x%08x PK tmp_val 0x%08x\n", + crc, tmp_val[21]); + + if (crc == tmp_val[21]) { + time64_to_tm(tmp_val[20], 0, tm); + dev_dbg(tas_priv->dev, "%4ld-%2d-%2d, %2d:%2d:%2d\n", + tm->tm_year, tm->tm_mon, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec); + tasdevice_apply_calibration(tas_priv); + } else + tas_priv->cali_data.total_sz = 0; + } + return 0; +} + +static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda) +{ + struct hda_codec *codec = tas_hda->priv->codec; + + if (tas_hda->dsp_prog_ctl) + snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl); + + if (tas_hda->dsp_conf_ctl) + snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl); + + for (int i = ARRAY_SIZE(tas_hda->snd_ctls) - 1; i >= 0; i--) + if (tas_hda->snd_ctls[i]) + snd_ctl_remove(codec->card, tas_hda->snd_ctls[i]); + + if (tas_hda->prof_ctl) + snd_ctl_remove(codec->card, tas_hda->prof_ctl); +} + +static void tasdev_fw_ready(const struct firmware *fmw, void *context) +{ + struct tasdevice_priv *tas_priv = context; + struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev); + struct hda_codec *codec = tas_priv->codec; + int i, ret; + + pm_runtime_get_sync(tas_priv->dev); + mutex_lock(&tas_priv->codec_lock); + + ret = tasdevice_spi_rca_parser(tas_priv, fmw); + if (ret) + goto out; + + /* Add control one time only. */ + if (tas_priv->index == 0) { + tas_hda->prof_ctl = snd_ctl_new1(&tas2781_prof_ctrl, tas_priv); + ret = snd_ctl_add(codec->card, tas_hda->prof_ctl); + if (ret) { + dev_err(tas_priv->dev, + "Failed to add KControl %s = %d\n", + tas2781_prof_ctrl.name, ret); + goto out; + } + + for (i = 0; i < ARRAY_SIZE(tas2781_snd_controls); i++) { + tas_hda->snd_ctls[i] = + snd_ctl_new1(&tas2781_snd_controls[i], + tas_priv); + ret = snd_ctl_add(codec->card, tas_hda->snd_ctls[i]); + if (ret) { + dev_err(tas_priv->dev, + "Failed to add KControl %s = %d\n", + tas2781_snd_controls[i].name, ret); + goto out; + } + } + } + + tasdevice_spi_dsp_remove(tas_priv); + + tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; + scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%08X-%01d.bin", + codec->core.subsystem_id, tas_priv->index); + ret = tasdevice_spi_dsp_parser(tas_priv); + if (ret) { + dev_err(tas_priv->dev, "dspfw load %s error\n", + tas_priv->coef_binaryname); + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL; + goto out; + } + + /* Add control one time only. */ + if (tas_priv->index == 0) { + tas_hda->dsp_prog_ctl = snd_ctl_new1(&tas2781_dsp_prog_ctrl, + tas_priv); + ret = snd_ctl_add(codec->card, tas_hda->dsp_prog_ctl); + if (ret) { + dev_err(tas_priv->dev, + "Failed to add KControl %s = %d\n", + tas2781_dsp_prog_ctrl.name, ret); + goto out; + } + + tas_hda->dsp_conf_ctl = snd_ctl_new1(&tas2781_dsp_conf_ctrl, + tas_priv); + ret = snd_ctl_add(codec->card, tas_hda->dsp_conf_ctl); + if (ret) { + dev_err(tas_priv->dev, + "Failed to add KControl %s = %d\n", + tas2781_dsp_conf_ctrl.name, ret); + goto out; + } + } + + tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; + tasdevice_spi_prmg_load(tas_priv, 0); + if (tas_priv->fmw->nr_programs > 0) + tas_priv->cur_prog = 0; + if (tas_priv->fmw->nr_configurations > 0) + tas_priv->cur_conf = 0; + + /* + * If calibrated data occurs error, dsp will still works with default + * calibrated data inside algo. + */ + tasdevice_save_calibration(tas_priv); + + tasdevice_spi_tuning_switch(tas_hda->priv, 0); + +out: + mutex_unlock(&tas_hda->priv->codec_lock); + if (fmw) + release_firmware(fmw); + pm_runtime_mark_last_busy(tas_hda->dev); + pm_runtime_put_autosuspend(tas_hda->dev); +} + +static int tas2781_hda_bind(struct device *dev, struct device *master, + void *master_data) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct hda_component *comps = master_data; + struct hda_codec *codec; + unsigned int subid; + int ret; + + if (!comps || tas_hda->priv->index < 0 || + tas_hda->priv->index >= HDA_MAX_COMPONENTS) + return -EINVAL; + + comps = &comps[tas_hda->priv->index]; + if (comps->dev) + return -EBUSY; + + codec = comps->codec; + subid = codec->core.subsystem_id >> 16; + + switch (subid) { + case 0x103C: + tas_hda->priv->catlog_id = HP; + break; + default: + tas_hda->priv->catlog_id = OTHERS; + break; + } + + pm_runtime_get_sync(dev); + + comps->dev = dev; + + strscpy(comps->name, dev_name(dev), sizeof(comps->name)); + + ret = tascodec_spi_init(tas_hda->priv, codec, THIS_MODULE, + tasdev_fw_ready); + if (!ret) + comps->playback_hook = tas2781_hda_playback_hook; + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + return ret; +} + +static void tas2781_hda_unbind(struct device *dev, + struct device *master, void *master_data) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct hda_component *comps = master_data; + + comps = &comps[tas_hda->priv->index]; + + if (comps->dev == dev) { + comps->dev = NULL; + memset(comps->name, 0, sizeof(comps->name)); + comps->playback_hook = NULL; + } + + tas2781_hda_remove_controls(tas_hda); + + tasdevice_spi_config_info_remove(tas_hda->priv); + tasdevice_spi_dsp_remove(tas_hda->priv); + + tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING; +} + +static const struct component_ops tas2781_hda_comp_ops = { + .bind = tas2781_hda_bind, + .unbind = tas2781_hda_unbind, +}; + +static void tas2781_hda_remove(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + + pm_runtime_get_sync(tas_hda->dev); + pm_runtime_disable(tas_hda->dev); + + component_del(tas_hda->dev, &tas2781_hda_comp_ops); + + pm_runtime_put_noidle(tas_hda->dev); + + tasdevice_remove(tas_hda->priv); +} + +static int tas2781_hda_spi_probe(struct spi_device *spi) +{ + struct tasdevice_priv *tas_priv; + struct tas2781_hda *tas_hda; + const char *device_name; + int ret; + + tas_hda = devm_kzalloc(&spi->dev, sizeof(*tas_hda), GFP_KERNEL); + if (!tas_hda) + return -ENOMEM; + + tas_hda->dev = &spi->dev; + + tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL); + if (!tas_priv) + goto err; + tas_priv->dev = &spi->dev; + tas_priv->client = (void *)spi; + tas_hda->priv = tas_priv; + + if (strstr(dev_name(&spi->dev), "TIAS2781")) { + device_name = "TIAS2781"; + tas_priv->save_calibration = tas2781_save_calibration; + tas_priv->apply_calibration = tas2781_apply_calib; + } else + goto err; + + tas_priv->irq_info.irq = spi->irq; + dev_set_drvdata(&spi->dev, tas_hda); + ret = tas2781_read_acpi(tas_hda, device_name, + spi_get_chipselect(spi, 0)); + if (ret) + return dev_err_probe(tas_hda->dev, ret, + "Platform not supported\n"); + + tas_priv->regmap = devm_regmap_init_spi(spi, &tasdevice_regmap); + if (IS_ERR(tas_priv->regmap)) { + ret = PTR_ERR(tas_priv->regmap); + dev_err(tas_priv->dev, "Failed to allocate regmap: %d\n", + ret); + goto err; + } + ret = tasdevice_spi_init(tas_hda->priv); + if (ret) + goto err; + + pm_runtime_set_autosuspend_delay(tas_hda->dev, 3000); + pm_runtime_use_autosuspend(tas_hda->dev); + pm_runtime_mark_last_busy(tas_hda->dev); + pm_runtime_set_active(tas_hda->dev); + pm_runtime_get_noresume(tas_hda->dev); + pm_runtime_enable(tas_hda->dev); + + pm_runtime_put_autosuspend(tas_hda->dev); + + tas2781_spi_reset(tas_priv); + + ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops); + if (ret) { + dev_err(tas_hda->dev, "Register component failed: %d\n", ret); + pm_runtime_disable(tas_hda->dev); + } + +err: + if (ret) + tas2781_hda_remove(&spi->dev); + return ret; +} + +static void tas2781_hda_spi_remove(struct spi_device *spi) +{ + tas2781_hda_remove(&spi->dev); +} + +static int tas2781_runtime_suspend(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + + dev_dbg(tas_hda->dev, "Runtime Suspend\n"); + + mutex_lock(&tas_hda->priv->codec_lock); + + if (tas_hda->priv->playback_started) { + tasdevice_spi_tuning_switch(tas_hda->priv, 1); + tas_hda->priv->playback_started = false; + } + + tas_hda->priv->tasdevice.cur_book = -1; + tas_hda->priv->tasdevice.cur_prog = -1; + tas_hda->priv->tasdevice.cur_conf = -1; + + mutex_unlock(&tas_hda->priv->codec_lock); + + return 0; +} + +static int tas2781_runtime_resume(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + + dev_dbg(tas_hda->dev, "Runtime Resume\n"); + + mutex_lock(&tas_hda->priv->codec_lock); + + tasdevice_spi_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog); + + /* + * If calibrated data occurs error, dsp will still works with default + * calibrated data inside algo. + */ + tasdevice_apply_calibration(tas_hda->priv); + + mutex_unlock(&tas_hda->priv->codec_lock); + + return 0; +} + +static int tas2781_system_suspend(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + int ret; + + dev_dbg(tas_hda->priv->dev, "System Suspend\n"); + + ret = pm_runtime_force_suspend(dev); + if (ret) + return ret; + + /* Shutdown chip before system suspend */ + tasdevice_spi_tuning_switch(tas_hda->priv, 1); + + /* + * Reset GPIO may be shared, so cannot reset here. + * However beyond this point, amps may be powered down. + */ + return 0; +} + +static int tas2781_system_resume(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret) + return ret; + + mutex_lock(&tas_hda->priv->codec_lock); + + tas_hda->priv->tasdevice.cur_book = -1; + tas_hda->priv->tasdevice.cur_prog = -1; + tas_hda->priv->tasdevice.cur_conf = -1; + + tas2781_spi_reset(tas_hda->priv); + tasdevice_spi_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog); + + /* + * If calibrated data occurs error, dsp will still work with default + * calibrated data inside algo. + */ + tasdevice_apply_calibration(tas_hda->priv); + mutex_unlock(&tas_hda->priv->codec_lock); + + return 0; +} + +static const struct dev_pm_ops tas2781_hda_pm_ops = { + RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL) + SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume) +}; + +static const struct spi_device_id tas2781_hda_spi_id[] = { + { "tas2781-hda", 0 }, + {} +}; + +static const struct acpi_device_id tas2781_acpi_hda_match[] = { + {"TIAS2781", 0 }, + {} +}; +MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match); + +static struct spi_driver tas2781_hda_spi_driver = { + .driver = { + .name = "tas2781-hda", + .acpi_match_table = tas2781_acpi_hda_match, + .pm = &tas2781_hda_pm_ops, + }, + .id_table = tas2781_hda_spi_id, + .probe = tas2781_hda_spi_probe, + .remove = tas2781_hda_spi_remove, +}; +module_spi_driver(tas2781_hda_spi_driver); + +MODULE_DESCRIPTION("TAS2781 HDA SPI Driver"); +MODULE_AUTHOR("Baojun, Xu, <baojun.xug@xxxxxx>"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB); -- 2.40.1
