diff options
Diffstat (limited to 'sound/pci/hda/tas2781_hda_spi.c')
| -rw-r--r-- | sound/pci/hda/tas2781_hda_spi.c | 958 |
1 files changed, 958 insertions, 0 deletions
diff --git a/sound/pci/hda/tas2781_hda_spi.c b/sound/pci/hda/tas2781_hda_spi.c new file mode 100644 index 000000000000..5c03e9d2283a --- /dev/null +++ b/sound/pci/hda/tas2781_hda_spi.c @@ -0,0 +1,958 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// TAS2781 HDA SPI driver +// +// Copyright 2024 - 2025 Texas Instruments, Inc. +// +// Author: Baojun Xu <baojun.xu@ti.com> + +#include <linux/acpi.h> +#include <linux/array_size.h> +#include <linux/bits.h> +#include <linux/cleanup.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/mutex.h> +#include <linux/pm_runtime.h> +#include <linux/property.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> +#include <linux/time.h> +#include <linux/types.h> +#include <linux/units.h> + +#include <sound/hda_codec.h> +#include <sound/soc.h> +#include <sound/tas2781.h> +#include <sound/tlv.h> +#include <sound/tas2781-tlv.h> + +#include "hda_local.h" +#include "hda_auto_parser.h" +#include "hda_component.h" +#include "hda_jack.h" +#include "hda_generic.h" +#include "tas2781_hda.h" + +#define TASDEVICE_RANGE_MAX_SIZE (256 * 128) +#define TASDEVICE_WIN_LEN 128 +#define TAS2781_SPI_MAX_FREQ (4 * HZ_PER_MHZ) +/* Flag of calibration registers address. */ +#define TASDEVICE_CALIBRATION_REG_ADDRESS BIT(7) +#define TASDEV_UEFI_CALI_REG_ADDR_FLG BIT(7) + +/* System Reset Check Register */ +#define TAS2781_REG_CLK_CONFIG TASDEVICE_REG(0x0, 0x0, 0x5c) +#define TAS2781_REG_CLK_CONFIG_RESET 0x19 + +struct tas2781_hda_spi_priv { + struct snd_kcontrol *snd_ctls[3]; +}; + +static const struct regmap_range_cfg tasdevice_ranges[] = { + { + .range_min = 0, + .range_max = TASDEVICE_RANGE_MAX_SIZE, + .selector_reg = TASDEVICE_PAGE_SELECT, + .selector_mask = GENMASK(7, 0), + .selector_shift = 0, + .window_start = 0, + .window_len = TASDEVICE_WIN_LEN, + }, +}; + +static const struct regmap_config tasdevice_regmap = { + .reg_bits = 8, + .val_bits = 8, + .zero_flag_mask = true, + .read_flag_mask = 0x01, + .reg_shift = -1, + .cache_type = REGCACHE_NONE, + .ranges = tasdevice_ranges, + .num_ranges = ARRAY_SIZE(tasdevice_ranges), + .max_register = TASDEVICE_RANGE_MAX_SIZE, +}; + +static int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv, + unsigned short chn, unsigned int reg, unsigned int *val) +{ + int 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 more byte + * 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 = tasdevice_dev_bulk_read(tas_priv, chn, reg, + data, sizeof(data)); + *val = data[1]; + } else { + ret = tasdevice_dev_read(tas_priv, chn, reg, val); + } + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} + +static int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv, + unsigned short chn, unsigned int reg, unsigned char *data, + unsigned int len) +{ + int 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 more byte + * 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[TASDEVICE_WIN_LEN + 1]; + + ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, + buf, len + 1); + memcpy(data, buf + 1, len); + } else { + ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, data, len); + } + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} + +static int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv, + unsigned short chn, unsigned int reg, unsigned int mask, + unsigned int value) +{ + int ret, val; + + /* + * In our TAS2781 SPI mode, read/write was masked in last bit of + * address, it cause regmap_update_bits() not work as expected. + */ + ret = tasdevice_dev_read(tas_priv, chn, reg, &val); + if (ret < 0) { + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + return ret; + } + + ret = tasdevice_dev_write(tas_priv, chn, TASDEVICE_PAGE_REG(reg), + (val & ~mask) | (mask & value)); + if (ret < 0) + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + + return ret; +} + +static int tasdevice_spi_change_chn_book(struct tasdevice_priv *p, + unsigned short chn, int book) +{ + int ret = 0; + + if (chn == p->index) { + struct tasdevice *tasdev = &p->tasdevice[chn]; + struct regmap *map = p->regmap; + + if (tasdev->cur_book != book) { + ret = regmap_write(map, TASDEVICE_BOOKCTL_REG, book); + if (ret < 0) + dev_err(p->dev, "%s, E=%d\n", __func__, ret); + else + tasdev->cur_book = book; + } + } else { + ret = -EXDEV; + dev_dbg(p->dev, "Not error, %s ignore channel(%d)\n", + __func__, chn); + } + + return ret; +} + +static void tas2781_spi_reset(struct tasdevice_priv *tas_dev) +{ + int ret; + + if (tas_dev->reset) { + gpiod_set_value_cansleep(tas_dev->reset, 0); + fsleep(800); + gpiod_set_value_cansleep(tas_dev->reset, 1); + } else { + ret = tasdevice_dev_write(tas_dev, tas_dev->index, + TASDEVICE_REG_SWRESET, TASDEVICE_REG_SWRESET_RESET); + if (ret < 0) { + dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret); + return; + } + fsleep(1000); + } +} + +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; + + /* + * Codec Lock Hold to ensure that codec_probe and firmware parsing and + * loading do not simultaneously execute. + */ + guard(mutex)(&tas_priv->codec_lock); + + scnprintf(tas_priv->rca_binaryname, + sizeof(tas_priv->rca_binaryname), "%sRCA%d.bin", + tas_priv->dev_name, tas_priv->ndev); + 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); + + return ret; +} + +static void tasdevice_spi_init(struct tasdevice_priv *tas_priv) +{ + tas_priv->tasdevice[tas_priv->index].cur_book = -1; + tas_priv->tasdevice[tas_priv->index].cur_conf = -1; + tas_priv->tasdevice[tas_priv->index].cur_prog = -1; + + tas_priv->isspi = true; + + tas_priv->update_bits = tasdevice_spi_dev_update_bits; + tas_priv->change_chn_book = tasdevice_spi_change_chn_book; + tas_priv->dev_read = tasdevice_spi_dev_read; + tas_priv->dev_bulk_read = tasdevice_spi_dev_bulk_read; + + mutex_init(&tas_priv->codec_lock); +} + +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 = rounddown_pow_of_two(max); + mask <<= mc->shift; + val = clamp(invert ? max - ucontrol->value.integer.value[0] : + ucontrol->value.integer.value[0], 0, max); + + ret = tasdevice_spi_dev_update_bits(tas_priv, tas_priv->index, + 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, val; + + ret = tasdevice_spi_dev_read(tas_priv, tas_priv->index, mc->reg, &val); + if (ret) { + dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__); + return ret; + } + + mask = rounddown_pow_of_two(max); + mask <<= mc->shift; + val = (val & mask) >> mc->shift; + val = clamp(invert ? max - val : val, 0, max); + ucontrol->value.integer.value[0] = val; + + return ret; +} + +static int tasdevice_spi_digital_putvol(struct tasdevice_priv *p, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + int max = mc->max; + int val, ret; + + val = clamp(invert ? max - ucontrol->value.integer.value[0] : + ucontrol->value.integer.value[0], 0, max); + ret = tasdevice_dev_write(p, p->index, mc->reg, (unsigned int)val); + if (ret) + dev_err(p->dev, "set digital vol err in dev %d\n", p->index); + + return ret; +} + +static int tasdevice_spi_digital_getvol(struct tasdevice_priv *p, + struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) +{ + unsigned int invert = mc->invert; + int max = mc->max; + int ret, val; + + ret = tasdevice_spi_dev_read(p, p->index, mc->reg, &val); + if (ret) { + dev_err(p->dev, "%s, get digital vol err\n", __func__); + return ret; + } + + val = clamp(invert ? max - val : val, 0, max); + 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 acpi_device *adev; + struct device *physdev; + u32 values[HDA_MAX_COMPONENTS]; + const char *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 ACPI device: %s\n", hid); + return -ENODEV; + } + + strscpy(p->dev_name, hid, sizeof(p->dev_name)); + physdev = get_device(acpi_get_first_physical_node(adev)); + acpi_dev_put(adev); + + property = "ti,dev-index"; + ret = device_property_count_u32(physdev, property); + if (ret <= 0 || ret > ARRAY_SIZE(values)) { + ret = -EINVAL; + goto err; + } + p->ndev = nval = ret; + + ret = device_property_read_u32_array(physdev, property, values, nval); + if (ret) + goto err; + + p->index = U8_MAX; + for (i = 0; i < nval; i++) { + if (values[i] == id) { + p->index = i; + break; + } + } + if (p->index == U8_MAX) { + dev_dbg(p->dev, "No index found in %s\n", property); + ret = -ENODEV; + goto err; + } + + if (p->index == 0) { + /* All of amps share same RESET pin. */ + p->reset = devm_gpiod_get_index_optional(physdev, "reset", + p->index, GPIOD_OUT_LOW); + if (IS_ERR(p->reset)) { + ret = PTR_ERR(p->reset); + dev_err_probe(p->dev, ret, "Failed on reset GPIO\n"); + goto err; + } + } + 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); + struct tasdevice_priv *tas_priv = tas_hda->priv; + + if (action == HDA_GEN_PCM_ACT_OPEN) { + pm_runtime_get_sync(dev); + guard(mutex)(&tas_priv->codec_lock); + if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK) + tasdevice_tuning_switch(tas_hda->priv, 0); + } else if (action == HDA_GEN_PCM_ACT_CLOSE) { + guard(mutex)(&tas_priv->codec_lock); + if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK) + tasdevice_tuning_switch(tas_priv, 1); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + } +} + +/* + * 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. + * + * Return 0 if succeeded. + */ +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; + + guard(mutex)(&tas_priv->codec_lock); + 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; + + guard(mutex)(&tas_priv->codec_lock); + 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; + + guard(mutex)(&tas_priv->codec_lock); + 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; + + guard(mutex)(&tas_priv->codec_lock); + 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__, + str_on_off(tas_priv->force_fwload_status)); + + 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__, + str_on_off(tas_priv->force_fwload_status)); + + return change; +} + +static struct snd_kcontrol_new tas2781_snd_ctls[] = { + ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_AMP_LEVEL, 1, 0, 20, 0, + tas2781_amp_getvol, tas2781_amp_putvol, amp_vol_tlv), + ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_DVC_LVL, 0, 0, 200, 1, + tas2781_digital_getvol, tas2781_digital_putvol, dvc_tlv), + ACARD_SINGLE_BOOL_EXT(NULL, 0, tas2781_force_fwload_get, + tas2781_force_fwload_put), +}; + +static struct snd_kcontrol_new tas2781_prof_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_profile, + .get = tasdevice_get_profile_id, + .put = tasdevice_set_profile_id, +}; + +static struct snd_kcontrol_new tas2781_dsp_ctls[] = { + /* Speaker Program */ + { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_programs, + .get = tasdevice_program_get, + .put = tasdevice_program_put, + }, + /* Speaker Config */ + { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .info = tasdevice_info_config, + .get = tasdevice_config_get, + .put = tasdevice_config_put, + }, +}; + +static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda) +{ + struct hda_codec *codec = tas_hda->priv->codec; + struct tas2781_hda_spi_priv *h_priv = tas_hda->hda_priv; + + snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl); + + snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl); + + for (int i = ARRAY_SIZE(h_priv->snd_ctls) - 1; i >= 0; i--) + snd_ctl_remove(codec->card, h_priv->snd_ctls[i]); + + snd_ctl_remove(codec->card, tas_hda->prof_ctl); +} + +static int tas2781_hda_spi_prf_ctl(struct tas2781_hda *h) +{ + struct tasdevice_priv *p = h->priv; + struct hda_codec *c = p->codec; + char name[64]; + int rc; + + snprintf(name, sizeof(name), "Speaker-%d Profile Id", p->index); + tas2781_prof_ctl.name = name; + h->prof_ctl = snd_ctl_new1(&tas2781_prof_ctl, p); + rc = snd_ctl_add(c->card, h->prof_ctl); + if (rc) + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_prof_ctl.name, rc); + return rc; +} + +static int tas2781_hda_spi_snd_ctls(struct tas2781_hda *h) +{ + struct tas2781_hda_spi_priv *h_priv = h->hda_priv; + struct tasdevice_priv *p = h->priv; + struct hda_codec *c = p->codec; + char name[64]; + int i = 0; + int rc; + + snprintf(name, sizeof(name), "Speaker-%d Analog Volume", p->index); + tas2781_snd_ctls[i].name = name; + h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); + rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); + if (rc) { + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_snd_ctls[i].name, rc); + return rc; + } + i++; + snprintf(name, sizeof(name), "Speaker-%d Digital Volume", p->index); + tas2781_snd_ctls[i].name = name; + h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); + rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); + if (rc) { + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_snd_ctls[i].name, rc); + return rc; + } + i++; + snprintf(name, sizeof(name), "Froce Speaker-%d FW Load", p->index); + tas2781_snd_ctls[i].name = name; + h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); + rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); + if (rc) { + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_snd_ctls[i].name, rc); + } + return rc; +} + +static int tas2781_hda_spi_dsp_ctls(struct tas2781_hda *h) +{ + struct tasdevice_priv *p = h->priv; + struct hda_codec *c = p->codec; + char name[64]; + int i = 0; + int rc; + + snprintf(name, sizeof(name), "Speaker-%d Program Id", p->index); + tas2781_dsp_ctls[i].name = name; + h->dsp_prog_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p); + rc = snd_ctl_add(c->card, h->dsp_prog_ctl); + if (rc) { + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_dsp_ctls[i].name, rc); + return rc; + } + i++; + snprintf(name, sizeof(name), "Speaker-%d Config Id", p->index); + tas2781_dsp_ctls[i].name = name; + h->dsp_conf_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p); + rc = snd_ctl_add(c->card, h->dsp_conf_ctl); + if (rc) { + dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", + tas2781_dsp_ctls[i].name, rc); + } + + return rc; +} + +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 ret, val; + + pm_runtime_get_sync(tas_priv->dev); + guard(mutex)(&tas_priv->codec_lock); + + ret = tasdevice_rca_parser(tas_priv, fmw); + if (ret) + goto out; + + /* Add control one time only. */ + ret = tas2781_hda_spi_prf_ctl(tas_hda); + if (ret) + goto out; + + ret = tas2781_hda_spi_snd_ctls(tas_hda); + if (ret) + goto out; + + tasdevice_dsp_remove(tas_priv); + + tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; + scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X-%01d.bin", + lower_16_bits(codec->core.subsystem_id), tas_priv->index); + ret = tasdevice_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; + } + + ret = tas2781_hda_spi_dsp_ctls(tas_hda); + if (ret) + goto out; + /* Perform AMP reset before firmware download. */ + tas2781_spi_reset(tas_priv); + tas_priv->rcabin.profile_cfg_id = 0; + + tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; + ret = tasdevice_spi_dev_read(tas_priv, tas_priv->index, + TAS2781_REG_CLK_CONFIG, &val); + if (ret < 0) + goto out; + + if (val == TAS2781_REG_CLK_CONFIG_RESET) { + ret = tasdevice_prmg_load(tas_priv, 0); + if (ret < 0) { + dev_err(tas_priv->dev, "FW download failed = %d\n", + ret); + goto out; + } + tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; + } + if (tas_priv->fmw->nr_programs > 0) + tas_priv->tasdevice[tas_priv->index].cur_prog = 0; + if (tas_priv->fmw->nr_configurations > 0) + tas_priv->tasdevice[tas_priv->index].cur_conf = 0; + + /* + * If calibrated data occurs error, dsp will still works with default + * calibrated data inside algo. + */ + tas2781_save_calibration(tas_hda); +out: + release_firmware(fmw); + pm_runtime_mark_last_busy(tas_hda->priv->dev); + pm_runtime_put_autosuspend(tas_hda->priv->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_parent *parent = master_data; + struct hda_component *comp; + struct hda_codec *codec; + int ret; + + comp = hda_component_from_index(parent, tas_hda->priv->index); + if (!comp) + return -EINVAL; + + if (comp->dev) + return -EBUSY; + + codec = parent->codec; + + pm_runtime_get_sync(dev); + + comp->dev = dev; + + strscpy(comp->name, dev_name(dev), sizeof(comp->name)); + + ret = tascodec_spi_init(tas_hda->priv, codec, THIS_MODULE, + tasdev_fw_ready); + if (!ret) + comp->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_parent *parent = master_data; + struct tasdevice_priv *tas_priv = tas_hda->priv; + struct hda_component *comp; + + comp = hda_component_from_index(parent, tas_priv->index); + if (comp && (comp->dev == dev)) { + comp->dev = NULL; + memset(comp->name, 0, sizeof(comp->name)); + comp->playback_hook = NULL; + } + + tas2781_hda_remove_controls(tas_hda); + + tasdevice_config_info_remove(tas_priv); + tasdevice_dsp_remove(tas_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 int tas2781_hda_spi_probe(struct spi_device *spi) +{ + struct tas2781_hda_spi_priv *hda_priv; + struct tasdevice_priv *tas_priv; + struct tas2781_hda *tas_hda; + const char *device_name; + int ret = 0; + + tas_hda = devm_kzalloc(&spi->dev, sizeof(*tas_hda), GFP_KERNEL); + if (!tas_hda) + return -ENOMEM; + + hda_priv = devm_kzalloc(&spi->dev, sizeof(*hda_priv), GFP_KERNEL); + if (!hda_priv) + return -ENOMEM; + + tas_hda->hda_priv = hda_priv; + spi->max_speed_hz = TAS2781_SPI_MAX_FREQ; + + tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL); + if (!tas_priv) + return -ENOMEM; + tas_priv->dev = &spi->dev; + tas_hda->priv = tas_priv; + 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); + return ret; + } + if (strstr(dev_name(&spi->dev), "TXNW2781")) { + device_name = "TXNW2781"; + } else { + dev_err(tas_priv->dev, "Unmatched spi dev %s\n", + dev_name(&spi->dev)); + return -ENODEV; + } + + tas_priv->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_priv->dev, ret, + "Platform not supported\n"); + + tasdevice_spi_init(tas_priv); + + pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000); + pm_runtime_use_autosuspend(tas_priv->dev); + pm_runtime_mark_last_busy(tas_priv->dev); + pm_runtime_set_active(tas_priv->dev); + pm_runtime_get_noresume(tas_priv->dev); + pm_runtime_enable(tas_priv->dev); + + pm_runtime_put_autosuspend(tas_priv->dev); + + ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops); + if (ret) { + dev_err(tas_priv->dev, "Register component fail: %d\n", ret); + pm_runtime_disable(tas_priv->dev); + tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops); + } + + return ret; +} + +static void tas2781_hda_spi_remove(struct spi_device *spi) +{ + tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops); +} + +static int tas2781_runtime_suspend(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct tasdevice_priv *tas_priv = tas_hda->priv; + + guard(mutex)(&tas_priv->codec_lock); + + if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK + && tas_priv->playback_started) + tasdevice_tuning_switch(tas_priv, 1); + + tas_priv->tasdevice[tas_priv->index].cur_book = -1; + tas_priv->tasdevice[tas_priv->index].cur_conf = -1; + + return 0; +} + +static int tas2781_runtime_resume(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct tasdevice_priv *tas_priv = tas_hda->priv; + + guard(mutex)(&tas_priv->codec_lock); + + if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK + && tas_priv->playback_started) + tasdevice_tuning_switch(tas_priv, 0); + + return 0; +} + +static int tas2781_system_suspend(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct tasdevice_priv *tas_priv = tas_hda->priv; + int ret; + + ret = pm_runtime_force_suspend(dev); + if (ret) + return ret; + + /* Shutdown chip before system suspend */ + if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK + && tas_priv->playback_started) + tasdevice_tuning_switch(tas_priv, 1); + + return 0; +} + +static int tas2781_system_resume(struct device *dev) +{ + struct tas2781_hda *tas_hda = dev_get_drvdata(dev); + struct tasdevice_priv *tas_priv = tas_hda->priv; + int ret, val; + + ret = pm_runtime_force_resume(dev); + if (ret) + return ret; + + guard(mutex)(&tas_priv->codec_lock); + ret = tas_priv->dev_read(tas_priv, tas_priv->index, + TAS2781_REG_CLK_CONFIG, &val); + if (ret < 0) + return ret; + + if (val == TAS2781_REG_CLK_CONFIG_RESET) { + tas_priv->tasdevice[tas_priv->index].cur_book = -1; + tas_priv->tasdevice[tas_priv->index].cur_conf = -1; + tas_priv->tasdevice[tas_priv->index].cur_prog = -1; + + ret = tasdevice_prmg_load(tas_priv, 0); + if (ret < 0) { + dev_err(tas_priv->dev, + "FW download failed = %d\n", ret); + return ret; + } + tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; + + if (tas_priv->playback_started) + tasdevice_tuning_switch(tas_priv, 0); + } + + return ret; +} + +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", }, + {} +}; + +static const struct acpi_device_id tas2781_acpi_hda_match[] = { + {"TXNW2781", }, + {} +}; +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@ti.com>"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB"); +MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781"); |