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, 0 insertions, 958 deletions
diff --git a/sound/pci/hda/tas2781_hda_spi.c b/sound/pci/hda/tas2781_hda_spi.c deleted file mode 100644 index 5c03e9d2283a..000000000000 --- a/sound/pci/hda/tas2781_hda_spi.c +++ /dev/null @@ -1,958 +0,0 @@ -// 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"); |