summaryrefslogtreecommitdiff
path: root/sound/pci/hda/tas2781_hda.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/hda/tas2781_hda.c')
-rw-r--r--sound/pci/hda/tas2781_hda.c377
1 files changed, 0 insertions, 377 deletions
diff --git a/sound/pci/hda/tas2781_hda.c b/sound/pci/hda/tas2781_hda.c
deleted file mode 100644
index 5f1d4b3e9688..000000000000
--- a/sound/pci/hda/tas2781_hda.c
+++ /dev/null
@@ -1,377 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// TAS2781 HDA Shared Lib for I2C&SPI driver
-//
-// Copyright 2025 Texas Instruments, Inc.
-//
-// Author: Shenghao Ding <shenghao-ding@ti.com>
-
-#include <linux/component.h>
-#include <linux/crc8.h>
-#include <linux/crc32.h>
-#include <linux/efi.h>
-#include <linux/firmware.h>
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-#include <sound/soc.h>
-#include <sound/tas2781.h>
-
-#include "tas2781_hda.h"
-
-const efi_guid_t tasdev_fct_efi_guid[] = {
- /* DELL */
- EFI_GUID(0xcc92382d, 0x6337, 0x41cb, 0xa8, 0x8b, 0x8e, 0xce, 0x74,
- 0x91, 0xea, 0x9f),
- /* HP */
- EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d, 0x93, 0xfe, 0x5a,
- 0xa3, 0x5d, 0xb3),
- /* LENOVO & OTHERS */
- EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, 0x09, 0x43, 0xa3, 0xf4,
- 0x31, 0x0a, 0x92),
-};
-EXPORT_SYMBOL_NS_GPL(tasdev_fct_efi_guid, "SND_HDA_SCODEC_TAS2781");
-
-static void tas2781_apply_calib(struct tasdevice_priv *p)
-{
- struct calidata *cali_data = &p->cali_data;
- struct cali_reg *r = &cali_data->cali_reg_array;
- unsigned char *data = cali_data->data;
- unsigned int *tmp_val = (unsigned int *)data;
- unsigned int cali_reg[TASDEV_CALIB_N] = {
- TASDEVICE_REG(0, 0x17, 0x74),
- TASDEVICE_REG(0, 0x18, 0x0c),
- TASDEVICE_REG(0, 0x18, 0x14),
- TASDEVICE_REG(0, 0x13, 0x70),
- TASDEVICE_REG(0, 0x18, 0x7c),
- };
- unsigned int crc, oft;
- unsigned char *buf;
- int i, j, k, l;
-
- if (tmp_val[0] == 2781) {
- /*
- * New features were added in calibrated Data V3:
- * 1. Added calibration registers address define in
- * a node, marked as Device id == 0x80.
- * 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 (2781, 4 bytes)
- * Data-Group-Sum (4 bytes)
- * TimeStamp of Calibration (4 bytes)
- * for (i = 0; i < Data-Group-Sum; i++) {
- * if (Data type != 0x80) (4 bytes)
- * Calibrated Data of Device #i (20 bytes)
- * else
- * Calibration registers address (5*4 = 20 bytes)
- * # V2: No reg addr in data grp section.
- * # V3: Normally the last grp is the reg addr.
- * }
- * CRC (4 bytes)
- * Reserved (the rest)
- */
- crc = crc32(~0, data, (3 + tmp_val[1] * 6) * 4) ^ ~0;
-
- if (crc != tmp_val[3 + tmp_val[1] * 6]) {
- cali_data->total_sz = 0;
- dev_err(p->dev, "%s: CRC error\n", __func__);
- return;
- }
-
- for (j = 0, k = 0; j < tmp_val[1]; j++) {
- oft = j * 6 + 3;
- if (tmp_val[oft] == TASDEV_UEFI_CALI_REG_ADDR_FLG) {
- for (i = 0; i < TASDEV_CALIB_N; i++) {
- buf = &data[(oft + i + 1) * 4];
- cali_reg[i] = TASDEVICE_REG(buf[1],
- buf[2], buf[3]);
- }
- } else {
- l = j * (cali_data->cali_dat_sz_per_dev + 1);
- if (k >= p->ndev || l > oft * 4) {
- dev_err(p->dev, "%s: dev sum error\n",
- __func__);
- cali_data->total_sz = 0;
- return;
- }
-
- data[l] = k;
- for (i = 0; i < TASDEV_CALIB_N * 4; i++)
- data[l + i] = data[4 * oft + i];
- k++;
- }
- }
- } 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, data, 84) ^ ~0;
- if (crc != tmp_val[21]) {
- cali_data->total_sz = 0;
- dev_err(p->dev, "%s: V1 CRC error\n", __func__);
- return;
- }
-
- for (j = p->ndev - 1; j >= 0; j--) {
- l = j * (cali_data->cali_dat_sz_per_dev + 1);
- for (i = TASDEV_CALIB_N * 4; i > 0 ; i--)
- data[l + i] = data[p->index * 5 + i];
- data[l+i] = j;
- }
- }
-
- if (p->dspbin_typ == TASDEV_BASIC) {
- r->r0_reg = cali_reg[0];
- r->invr0_reg = cali_reg[1];
- r->r0_low_reg = cali_reg[2];
- r->pow_reg = cali_reg[3];
- r->tlimit_reg = cali_reg[4];
- }
-
- p->is_user_space_calidata = true;
- cali_data->total_sz = p->ndev * (cali_data->cali_dat_sz_per_dev + 1);
-}
-
-/*
- * Update the calibration data, including speaker impedance, f0, etc,
- * into algo. Calibrate data is done by manufacturer in the factory.
- * The data is 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.
- */
-int tas2781_save_calibration(struct tas2781_hda *hda)
-{
- /*
- * GUID was used for data access in BIOS, it was provided by board
- * manufactory.
- */
- efi_guid_t efi_guid = tasdev_fct_efi_guid[LENOVO];
- static efi_char16_t efi_name[] = TASDEVICE_CALIBRATION_DATA_NAME;
- struct tasdevice_priv *p = hda->priv;
- struct calidata *cali_data = &p->cali_data;
- unsigned long total_sz = 0;
- unsigned int attr, size;
- unsigned char *data;
- efi_status_t status;
-
- if (hda->catlog_id < LENOVO)
- efi_guid = tasdev_fct_efi_guid[hda->catlog_id];
-
- cali_data->cali_dat_sz_per_dev = 20;
- size = p->ndev * (cali_data->cali_dat_sz_per_dev + 1);
- /* Get real size of UEFI variable */
- status = efi.get_variable(efi_name, &efi_guid, &attr, &total_sz, NULL);
- cali_data->total_sz = total_sz > size ? total_sz : size;
- if (status == EFI_BUFFER_TOO_SMALL) {
- /* Allocate data buffer of data_size bytes */
- data = p->cali_data.data = devm_kzalloc(p->dev,
- p->cali_data.total_sz, GFP_KERNEL);
- if (!data) {
- p->cali_data.total_sz = 0;
- return -ENOMEM;
- }
- /* Get variable contents into buffer */
- status = efi.get_variable(efi_name, &efi_guid, &attr,
- &p->cali_data.total_sz, data);
- }
- if (status != EFI_SUCCESS) {
- p->cali_data.total_sz = 0;
- return status;
- }
-
- tas2781_apply_calib(p);
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(tas2781_save_calibration, "SND_HDA_SCODEC_TAS2781");
-
-void tas2781_hda_remove(struct device *dev,
- const struct component_ops *ops)
-{
- struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
-
- component_del(tas_hda->dev, ops);
-
- pm_runtime_get_sync(tas_hda->dev);
- pm_runtime_disable(tas_hda->dev);
-
- pm_runtime_put_noidle(tas_hda->dev);
-
- tasdevice_remove(tas_hda->priv);
-}
-EXPORT_SYMBOL_NS_GPL(tas2781_hda_remove, "SND_HDA_SCODEC_TAS2781");
-
-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;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_info_profile, "SND_HDA_SCODEC_TAS2781");
-
-int tasdevice_info_programs(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->fmw->nr_programs - 1;
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_info_programs, "SND_HDA_SCODEC_TAS2781");
-
-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;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_info_config, "SND_HDA_SCODEC_TAS2781");
-
-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;
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n", __func__,
- kcontrol->id.name, tas_priv->rcabin.profile_cfg_id);
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_get_profile_id, "SND_HDA_SCODEC_TAS2781");
-
-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 profile_id = ucontrol->value.integer.value[0];
- int max = tas_priv->rcabin.ncfgs - 1;
- int val, ret = 0;
-
- val = clamp(profile_id, 0, max);
-
- guard(mutex)(&tas_priv->codec_lock);
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n", __func__,
- kcontrol->id.name, tas_priv->rcabin.profile_cfg_id, val);
-
- if (tas_priv->rcabin.profile_cfg_id != val) {
- tas_priv->rcabin.profile_cfg_id = val;
- ret = 1;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_set_profile_id, "SND_HDA_SCODEC_TAS2781");
-
-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;
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n", __func__,
- kcontrol->id.name, tas_priv->cur_prog);
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_program_get, "SND_HDA_SCODEC_TAS2781");
-
-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);
-
- guard(mutex)(&tas_priv->codec_lock);
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n", __func__,
- kcontrol->id.name, tas_priv->cur_prog, val);
-
- if (tas_priv->cur_prog != val) {
- tas_priv->cur_prog = val;
- ret = 1;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_program_put, "SND_HDA_SCODEC_TAS2781");
-
-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;
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n", __func__,
- kcontrol->id.name, tas_priv->cur_conf);
-
- return 0;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_config_get, "SND_HDA_SCODEC_TAS2781");
-
-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);
-
- guard(mutex)(&tas_priv->codec_lock);
-
- dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n", __func__,
- kcontrol->id.name, tas_priv->cur_conf, val);
-
- if (tas_priv->cur_conf != val) {
- tas_priv->cur_conf = val;
- ret = 1;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_NS_GPL(tasdevice_config_put, "SND_HDA_SCODEC_TAS2781");
-
-MODULE_DESCRIPTION("TAS2781 HDA Driver");
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
generated by cgit (git 2.34.1) at 2025-07-29 12:09:45 +0000