--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+//
+// TAS2781 HDA I2C driver
+//
+// Copyright 2023 Texas Instruments, Inc.
+//
+// Author: Shenghao Ding <shenghao-ding@ti.com>
+
+#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
+};
+
+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 != TAS2781_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;
+ struct device *physdev;
+ LIST_HEAD(resources);
+ const char *sub;
+ 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));
+ physdev = get_device(acpi_get_first_physical_node(adev));
+ acpi_dev_put(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;
+
+ put_device(physdev);
+
+ return 0;
+
+err:
+ dev_err(p->dev, "read acpi error, ret: %d\n", ret);
+ put_device(physdev);
+
+ return ret;
+}
+
+static void tas2781_hda_playback_hook(struct device *dev, int action)
+{
+ struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+
+ dev_dbg(tas_priv->dev, "%s: action = %d\n", __func__, action);
+ switch (action) {
+ case HDA_GEN_PCM_ACT_OPEN:
+ pm_runtime_get_sync(dev);
+ mutex_lock(&tas_priv->codec_lock);
+ tasdevice_tuning_switch(tas_priv, 0);
+ mutex_unlock(&tas_priv->codec_lock);
+ break;
+ case HDA_GEN_PCM_ACT_CLOSE:
+ mutex_lock(&tas_priv->codec_lock);
+ tasdevice_tuning_switch(tas_priv, 1);
+ mutex_unlock(&tas_priv->codec_lock);
+
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+ break;
+ default:
+ dev_dbg(tas_priv->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_hda_clamp(int val, int max)
+{
+ if (val > max)
+ val = max;
+
+ if (val < 0)
+ val = 0;
+ return val;
+}
+
+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 = tasdevice_hda_clamp(nr_profile, 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 = tasdevice_hda_clamp(nr_program, 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 = tasdevice_hda_clamp(nr_config, 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_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_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_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_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, 0x0d, 0x18
+ };
+ static const unsigned char rgno_array[CALIB_MAX] = {
+ 0x74, 0x0c, 0x14, 0x3c, 0x7c
+ };
+ unsigned char *data;
+ int i, j, rc;
+
+ for (i = 0; i < tas_priv->ndev; i++) {
+ data = tas_priv->cali_data.data +
+ i * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
+ for (j = 0; j < CALIB_MAX; j++) {
+ rc = tasdevice_dev_bulk_write(tas_priv, i,
+ 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",
+ i, j, rc);
+ }
+ }
+}
+
+/* Update the calibrate data, including speaker impedance, f0, etc, into algo.
+ * Calibrate data is done by manufacturer in the factory. These data are used
+ * by Algo for calucating the speaker temperature, speaker membrance 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);
+ tas2781_apply_calib(tas_priv);
+ } else
+ tas_priv->cali_data.total_sz = 0;
+
+ return 0;
+}
+
+static void tasdev_fw_ready(const struct firmware *fmw, void *context)
+{
+ struct tasdevice_priv *tas_priv = context;
+ 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;
+
+ ret = snd_ctl_add(codec->card,
+ snd_ctl_new1(&tas2781_prof_ctrl, tas_priv));
+ 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++) {
+ ret = snd_ctl_add(codec->card,
+ snd_ctl_new1(&tas2781_snd_controls[i], tas_priv));
+ 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;
+ }
+
+ ret = snd_ctl_add(codec->card,
+ snd_ctl_new1(&tas2781_dsp_prog_ctrl, tas_priv));
+ if (ret) {
+ dev_err(tas_priv->dev,
+ "Failed to add KControl %s = %d\n",
+ tas2781_dsp_prog_ctrl.name, ret);
+ goto out;
+ }
+
+ ret = snd_ctl_add(codec->card,
+ snd_ctl_new1(&tas2781_dsp_conf_ctrl, tas_priv));
+ 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 calibrated data occurs error, dsp will still works with default
+ * calibrated data inside algo.
+ */
+ tas2781_save_calibration(tas_priv);
+
+out:
+ if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
+ /*If DSP FW fail, kcontrol won't be created */
+ tasdevice_config_info_remove(tas_priv);
+ tasdevice_dsp_remove(tas_priv);
+ }
+ mutex_unlock(&tas_priv->codec_lock);
+ if (fmw)
+ release_firmware(fmw);
+ pm_runtime_mark_last_busy(tas_priv->dev);
+ pm_runtime_put_autosuspend(tas_priv->dev);
+}
+
+static int tas2781_hda_bind(struct device *dev, struct device *master,
+ void *master_data)
+{
+ struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ struct hda_component *comps = master_data;
+ struct hda_codec *codec;
+ unsigned int subid;
+ int ret;
+
+ if (!comps || tas_priv->index < 0 ||
+ tas_priv->index >= HDA_MAX_COMPONENTS)
+ return -EINVAL;
+
+ comps = &comps[tas_priv->index];
+ if (comps->dev)
+ return -EBUSY;
+
+ codec = comps->codec;
+ subid = codec->core.subsystem_id >> 16;
+
+ switch (subid) {
+ case 0x17aa:
+ tas_priv->catlog_id = LENOVO;
+ break;
+ default:
+ tas_priv->catlog_id = OTHERS;
+ break;
+ }
+
+ pm_runtime_get_sync(dev);
+
+ comps->dev = dev;
+
+ strscpy(comps->name, dev_name(dev), sizeof(comps->name));
+
+ ret = tascodec_init(tas_priv, codec, tasdev_fw_ready);
+ if (ret)
+ return ret;
+
+ comps->playback_hook = tas2781_hda_playback_hook;
+
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return 0;
+}
+
+static void tas2781_hda_unbind(struct device *dev,
+ struct device *master, void *master_data)
+{
+ struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ struct hda_component *comps = master_data;
+
+ if (comps[tas_priv->index].dev == dev)
+ memset(&comps[tas_priv->index], 0, sizeof(*comps));
+
+ tasdevice_config_info_remove(tas_priv);
+ tasdevice_dsp_remove(tas_priv);
+
+ tas_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 tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+
+ pm_runtime_get_sync(tas_priv->dev);
+ pm_runtime_disable(tas_priv->dev);
+
+ component_del(tas_priv->dev, &tas2781_hda_comp_ops);
+
+ pm_runtime_put_noidle(tas_priv->dev);
+
+ tasdevice_remove(tas_priv);
+}
+
+static int tas2781_hda_i2c_probe(struct i2c_client *clt)
+{
+ struct tasdevice_priv *tas_priv;
+ const char *device_name;
+ int ret;
+
+ if (strstr(dev_name(&clt->dev), "TIAS2781"))
+ device_name = "TIAS2781";
+ else
+ return -ENODEV;
+
+ tas_priv = tasdevice_kzalloc(clt);
+ if (!tas_priv)
+ return -ENOMEM;
+
+ tas_priv->irq_info.irq = clt->irq;
+ ret = tas2781_read_acpi(tas_priv, device_name);
+ if (ret)
+ return dev_err_probe(tas_priv->dev, ret,
+ "Platform not supported\n");
+
+ ret = tasdevice_init(tas_priv);
+ if (ret)
+ goto err;
+
+ 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 failed: %d\n", ret);
+ pm_runtime_disable(tas_priv->dev);
+ goto err;
+ }
+
+ tas2781_reset(tas_priv);
+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 tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ int i;
+
+ dev_dbg(tas_priv->dev, "Runtime Suspend\n");
+
+ mutex_lock(&tas_priv->codec_lock);
+
+ if (tas_priv->playback_started) {
+ tasdevice_tuning_switch(tas_priv, 1);
+ tas_priv->playback_started = false;
+ }
+
+ for (i = 0; i < tas_priv->ndev; i++) {
+ tas_priv->tasdevice[i].cur_book = -1;
+ tas_priv->tasdevice[i].cur_prog = -1;
+ tas_priv->tasdevice[i].cur_conf = -1;
+ }
+
+ regcache_cache_only(tas_priv->regmap, true);
+ regcache_mark_dirty(tas_priv->regmap);
+
+ mutex_unlock(&tas_priv->codec_lock);
+
+ return 0;
+}
+
+static int tas2781_runtime_resume(struct device *dev)
+{
+ struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ unsigned long calib_data_sz =
+ tas_priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
+ int ret;
+
+ dev_dbg(tas_priv->dev, "Runtime Resume\n");
+
+ mutex_lock(&tas_priv->codec_lock);
+
+ regcache_cache_only(tas_priv->regmap, false);
+ ret = regcache_sync(tas_priv->regmap);
+ if (ret) {
+ dev_err(tas_priv->dev,
+ "Failed to restore register cache: %d\n", ret);
+ goto out;
+ }
+
+ tasdevice_prmg_load(tas_priv, tas_priv->cur_prog);
+
+ /* If calibrated data occurs error, dsp will still works with default
+ * calibrated data inside algo.
+ */
+ if (tas_priv->cali_data.total_sz > calib_data_sz)
+ tas2781_apply_calib(tas_priv);
+
+out:
+ mutex_unlock(&tas_priv->codec_lock);
+
+ return ret;
+}
+
+static int tas2781_system_suspend(struct device *dev)
+{
+ struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ int ret;
+
+ dev_dbg(tas_priv->dev, "System Suspend\n");
+
+ ret = pm_runtime_force_suspend(dev);
+ if (ret)
+ return ret;
+
+ /* Shutdown chip before system suspend */
+ regcache_cache_only(tas_priv->regmap, false);
+ tasdevice_tuning_switch(tas_priv, 1);
+ regcache_cache_only(tas_priv->regmap, true);
+ regcache_mark_dirty(tas_priv->regmap);
+
+ /*
+ * 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 tasdevice_priv *tas_priv = dev_get_drvdata(dev);
+ unsigned long calib_data_sz =
+ tas_priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
+ int i, ret;
+
+ dev_dbg(tas_priv->dev, "System Resume\n");
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret)
+ return ret;
+
+ mutex_lock(&tas_priv->codec_lock);
+
+ for (i = 0; i < tas_priv->ndev; i++) {
+ tas_priv->tasdevice[i].cur_book = -1;
+ tas_priv->tasdevice[i].cur_prog = -1;
+ tas_priv->tasdevice[i].cur_conf = -1;
+ }
+ tas2781_reset(tas_priv);
+ tasdevice_prmg_load(tas_priv, tas_priv->cur_prog);
+
+ /* If calibrated data occurs error, dsp will still work with default
+ * calibrated data inside algo.
+ */
+ if (tas_priv->cali_data.total_sz > calib_data_sz)
+ tas2781_apply_calib(tas_priv);
+ mutex_unlock(&tas_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", 0 },
+ {}
+};
+
+static const struct acpi_device_id tas2781_acpi_hda_match[] = {
+ {"TIAS2781", 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_new = 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, <shenghao-ding@ti.com>");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB);
projects / users / dwmw2 / linux.git / commitdiff