// SPDX-License-Identifier: GPL-2.0
//
// TAS2781 HDA I2C driver
//
// Copyright 2023 - 2024 Texas Instruments, Inc.
//
// Author: Shenghao Ding <[email protected]>
// Current maintainer: Baojun Xu <[email protected]>
#include <linux/unaligned.h>
#include <linux/acpi.h>
#include <linux/crc8.h>
#include <linux/crc32.h>
#include <linux/efi.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.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"
#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
};
#define TAS2563_MAX_CHANNELS 4
#define TAS2563_CAL_POWER TASDEVICE_REG(0, 0x0d, 0x3c)
#define TAS2563_CAL_R0 TASDEVICE_REG(0, 0x0f, 0x34)
#define TAS2563_CAL_INVR0 TASDEVICE_REG(0, 0x0f, 0x40)
#define TAS2563_CAL_R0_LOW TASDEVICE_REG(0, 0x0f, 0x48)
#define TAS2563_CAL_TLIM TASDEVICE_REG(0, 0x10, 0x14)
#define TAS2563_CAL_N 5
#define TAS2563_CAL_DATA_SIZE 4
#define TAS2563_CAL_CH_SIZE 20
#define TAS2563_CAL_ARRAY_SIZE 80
static unsigned int cal_regs[TAS2563_CAL_N] = {
TAS2563_CAL_POWER, TAS2563_CAL_R0, TAS2563_CAL_INVR0,
TAS2563_CAL_R0_LOW, TAS2563_CAL_TLIM,
};
struct tas2781_hda {
struct device *dev;
struct tasdevice_priv *priv;
struct snd_kcontrol *dsp_prog_ctl;
struct snd_kcontrol *dsp_conf_ctl;
struct snd_kcontrol *prof_ctl;
struct snd_kcontrol *snd_ctls[2];
};
static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
{
struct tasdevice_priv *tas_priv = data;
struct acpi_resource_i2c_serialbus *sb;
if (i2c_acpi_get_i2c_resource(ares, &sb)) {
if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
sb->slave_address != tas_priv->global_addr) {
tas_priv->tasdevice[tas_priv->ndev].dev_addr =
(unsigned int)sb->slave_address;
tas_priv->ndev++;
}
}
return 1;
}
static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
{
struct acpi_device *adev;
LIST_HEAD(resources);
int ret;
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;
}
ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p);
if (ret < 0)
goto err;
acpi_dev_free_resource_list(&resources);
strscpy(p->dev_name, hid, sizeof(p->dev_name));
acpi_dev_put(adev);
return 0;
err:
dev_err(p->dev, "read acpi error, ret: %d\n", ret);
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);
dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action);
switch (action) {
case HDA_GEN_PCM_ACT_OPEN:
pm_runtime_get_sync(dev);
mutex_lock(&tas_hda->priv->codec_lock);
tasdevice_tuning_switch(tas_hda->priv, 0);
tas_hda->priv->playback_started = true;
mutex_unlock(&tas_hda->priv->codec_lock);
break;
case HDA_GEN_PCM_ACT_CLOSE:
mutex_lock(&tas_hda->priv->codec_lock);
tasdevice_tuning_switch(tas_hda->priv, 1);
tas_hda->priv->playback_started = false;
mutex_unlock(&tas_hda->priv->codec_lock);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
break;
default:
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);
mutex_lock(&tas_priv->codec_lock);
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);
mutex_unlock(&tas_priv->codec_lock);
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);
mutex_lock(&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;
}
mutex_unlock(&tas_priv->codec_lock);
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);
mutex_lock(&tas_priv->codec_lock);
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);
mutex_unlock(&tas_priv->codec_lock);
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);
mutex_lock(&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;
}
mutex_unlock(&tas_priv->codec_lock);
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);
mutex_lock(&tas_priv->codec_lock);
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);
mutex_unlock(&tas_priv->codec_lock);
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);
mutex_lock(&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;
}
mutex_unlock(&tas_priv->codec_lock);
return ret;
}
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;
int ret;
mutex_lock(&tas_priv->codec_lock);
ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
__func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
mutex_unlock(&tas_priv->codec_lock);
return ret;
}
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;
int ret;
mutex_lock(&tas_priv->codec_lock);
dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
__func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
/* The check of the given value is in tasdevice_amp_putvol. */
ret = tasdevice_amp_putvol(tas_priv, ucontrol, mc);
mutex_unlock(&tas_priv->codec_lock);
return ret;
}
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);
mutex_lock(&tas_priv->codec_lock);
ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
__func__, kcontrol->id.name, tas_priv->force_fwload_status);
mutex_unlock(&tas_priv->codec_lock);
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];
mutex_lock(&tas_priv->codec_lock);
dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
__func__, kcontrol->id.name,
tas_priv->force_fwload_status, val);
if (tas_priv->force_fwload_status == val)
change = false;
else {
change = true;
tas_priv->force_fwload_status = val;
}
mutex_unlock(&tas_priv->codec_lock);
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_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 tas2563_apply_calib(struct tasdevice_priv *tas_priv)
{
int offset = 0;
__be32 data;
int ret;
for (int i = 0; i < tas_priv->ndev; i++) {
for (int j = 0; j < TAS2563_CAL_N; ++j) {
data = cpu_to_be32(
*(uint32_t *)&tas_priv->cali_data.data[offset]);
ret = tasdevice_dev_bulk_write(tas_priv, i, cal_regs[j],
(unsigned char *)&data, TAS2563_CAL_DATA_SIZE);
if (ret)
dev_err(tas_priv->dev,
"Error writing calib regs\n");
offset += TAS2563_CAL_DATA_SIZE;
}
}
}
static int tas2563_save_calibration(struct tasdevice_priv *tas_priv)
{
static efi_guid_t efi_guid = EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc,
0x09, 0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92);
static efi_char16_t *efi_vars[TAS2563_MAX_CHANNELS][TAS2563_CAL_N] = {
{ L"Power_1", L"R0_1", L"InvR0_1", L"R0_Low_1", L"TLim_1" },
{ L"Power_2", L"R0_2", L"InvR0_2", L"R0_Low_2", L"TLim_2" },
{ L"Power_3", L"R0_3", L"InvR0_3", L"R0_Low_3", L"TLim_3" },
{ L"Power_4", L"R0_4", L"InvR0_4", L"R0_Low_4", L"TLim_4" },
};
unsigned long max_size = TAS2563_CAL_DATA_SIZE;
unsigned int offset = 0;
efi_status_t status;
unsigned int attr;
tas_priv->cali_data.data = devm_kzalloc(tas_priv->dev,
TAS2563_CAL_ARRAY_SIZE, GFP_KERNEL);
if (!tas_priv->cali_data.data)
return -ENOMEM;
for (int i = 0; i < tas_priv->ndev; ++i) {
for (int j = 0; j < TAS2563_CAL_N; ++j) {
status = efi.get_variable(efi_vars[i][j],
&efi_guid, &attr, &max_size,
&tas_priv->cali_data.data[offset]);
if (status != EFI_SUCCESS ||
max_size != TAS2563_CAL_DATA_SIZE) {
dev_warn(tas_priv->dev,
"Calibration data read failed %ld\n", status);
return -EINVAL;
}
offset += TAS2563_CAL_DATA_SIZE;
}
}
tas_priv->cali_data.total_sz = offset;
tasdevice_apply_calibration(tas_priv);
return 0;
}
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,
};
int offset = 0;
int i, j, rc;
__be32 data;
for (i = 0; i < tas_priv->ndev; i++) {
for (j = 0; j < CALIB_MAX; j++) {
data = cpu_to_be32(
*(uint32_t *)&tas_priv->cali_data.data[offset]);
rc = tasdevice_dev_bulk_write(tas_priv, i,
TASDEVICE_REG(0, page_array[j], rgno_array[j]),
(unsigned char *)&data, 4);
if (rc < 0)
dev_err(tas_priv->dev,
"chn %d calib %d bulk_wr err = %d\n",
i, j, rc);
offset += 4;
}
}
}
/* 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.
*/
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;
/* Lenovo devices */
if (tas_priv->catlog_id == LENOVO)
efi_guid = EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, 0x09,
0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92);
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;
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;
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(tas_hda->snd_ctls) - 1; i >= 0; i--)
snd_ctl_remove(codec->card, tas_hda->snd_ctls[i]);
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_rca_parser(tas_priv, fmw);
if (ret)
goto out;
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_dsp_remove(tas_priv);
tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X.bin",
codec->core.subsystem_id & 0xffff);
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;
}
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_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_tuning_switch(tas_hda->priv, 0);
tas_hda->priv->playback_started = true;
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_parent *parent = master_data;
struct hda_component *comp;
struct hda_codec *codec;
unsigned int subid;
int ret;
comp = hda_component_from_index(parent, tas_hda->priv->index);
if (!comp)
return -EINVAL;
if (comp->dev)
return -EBUSY;
codec = parent->codec;
subid = codec->core.subsystem_id >> 16;
switch (subid) {
case 0x17aa:
tas_hda->priv->catlog_id = LENOVO;
break;
default:
tas_hda->priv->catlog_id = OTHERS;
break;
}
pm_runtime_get_sync(dev);
comp->dev = dev;
strscpy(comp->name, dev_name(dev), sizeof(comp->name));
ret = tascodec_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 hda_component *comp;
comp = hda_component_from_index(parent, tas_hda->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_hda->priv);
tasdevice_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);
component_del(tas_hda->dev, &tas2781_hda_comp_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);
}
static int tas2781_hda_i2c_probe(struct i2c_client *clt)
{
struct tas2781_hda *tas_hda;
const char *device_name;
int ret;
tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
if (!tas_hda)
return -ENOMEM;
dev_set_drvdata(&clt->dev, tas_hda);
tas_hda->dev = &clt->dev;
tas_hda->priv = tasdevice_kzalloc(clt);
if (!tas_hda->priv)
return -ENOMEM;
if (strstr(dev_name(&clt->dev), "TIAS2781")) {
device_name = "TIAS2781";
tas_hda->priv->save_calibration = tas2781_save_calibration;
tas_hda->priv->apply_calibration = tas2781_apply_calib;
tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
} else if (strstr(dev_name(&clt->dev), "INT8866")) {
device_name = "INT8866";
tas_hda->priv->save_calibration = tas2563_save_calibration;
tas_hda->priv->apply_calibration = tas2563_apply_calib;
tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR;
} else
return -ENODEV;
tas_hda->priv->irq = clt->irq;
ret = tas2781_read_acpi(tas_hda->priv, device_name);
if (ret)
return dev_err_probe(tas_hda->dev, ret,
"Platform not supported\n");
ret = tasdevice_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_enable(tas_hda->dev);
tasdevice_reset(tas_hda->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(&clt->dev);
return ret;
}
static void tas2781_hda_i2c_remove(struct i2c_client *clt)
{
tas2781_hda_remove(&clt->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);
/* The driver powers up the amplifiers at module load time.
* Stop the playback if it's unused.
*/
if (tas_hda->priv->playback_started) {
tasdevice_tuning_switch(tas_hda->priv, 1);
tas_hda->priv->playback_started = false;
}
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_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);
dev_dbg(tas_hda->priv->dev, "System Suspend\n");
mutex_lock(&tas_hda->priv->codec_lock);
/* Shutdown chip before system suspend */
if (tas_hda->priv->playback_started)
tasdevice_tuning_switch(tas_hda->priv, 1);
mutex_unlock(&tas_hda->priv->codec_lock);
/*
* 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 i;
dev_dbg(tas_hda->priv->dev, "System Resume\n");
mutex_lock(&tas_hda->priv->codec_lock);
for (i = 0; i < tas_hda->priv->ndev; i++) {
tas_hda->priv->tasdevice[i].cur_book = -1;
tas_hda->priv->tasdevice[i].cur_prog = -1;
tas_hda->priv->tasdevice[i].cur_conf = -1;
}
tasdevice_reset(tas_hda->priv);
tasdevice_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);
if (tas_hda->priv->playback_started)
tasdevice_tuning_switch(tas_hda->priv, 0);
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 i2c_device_id tas2781_hda_i2c_id[] = {
{ "tas2781-hda" },
{}
};
static const struct acpi_device_id tas2781_acpi_hda_match[] = {
{"TIAS2781", 0 },
{"INT8866", 0 },
{}
};
MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
static struct i2c_driver tas2781_hda_i2c_driver = {
.driver = {
.name = "tas2781-hda",
.acpi_match_table = tas2781_acpi_hda_match,
.pm = &tas2781_hda_pm_ops,
},
.id_table = tas2781_hda_i2c_id,
.probe = tas2781_hda_i2c_probe,
.remove = tas2781_hda_i2c_remove,
};
module_i2c_driver(tas2781_hda_i2c_driver);
MODULE_DESCRIPTION("TAS2781 HDA Driver");
MODULE_AUTHOR("Shenghao Ding, TI, <[email protected]>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB);