--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+//
+// TAS2781 HDA SPI driver
+//
+// Copyright 2024 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-dsp.h>
+#include <sound/tlv.h>
+#include <sound/tas2781-tlv.h>
+
+#include "tas2781-spi.h"
+
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_component.h"
+#include "hda_jack.h"
+#include "hda_generic.h"
+
+/*
+ * 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, \
+}
+
+struct tas2781_hda {
+ struct tasdevice_priv *priv;
+ struct acpi_device *dacpi;
+ struct snd_kcontrol *dsp_prog_ctl;
+ struct snd_kcontrol *dsp_conf_ctl;
+ struct snd_kcontrol *snd_ctls[3];
+ struct snd_kcontrol *prof_ctl;
+};
+
+static const struct regmap_range_cfg tasdevice_ranges[] = {
+ {
+ .range_min = 0,
+ .range_max = TASDEVICE_MAX_SIZE,
+ .selector_reg = TASDEVICE_PAGE_SELECT,
+ .selector_mask = GENMASK(7, 0),
+ .selector_shift = 0,
+ .window_start = 0,
+ .window_len = TASDEVICE_MAX_PAGE,
+ },
+};
+
+static const struct regmap_config tasdevice_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .zero_flag_mask = true,
+ .cache_type = REGCACHE_NONE,
+ .ranges = tasdevice_ranges,
+ .num_ranges = ARRAY_SIZE(tasdevice_ranges),
+ .max_register = TASDEVICE_MAX_SIZE,
+};
+
+static int tasdevice_spi_switch_book(struct tasdevice_priv *tas_priv, int reg)
+{
+ struct regmap *map = tas_priv->regmap;
+ int ret;
+
+ if (tas_priv->cur_book != TASDEVICE_BOOK_ID(reg)) {
+ ret = regmap_write(map, TASDEVICE_BOOKCTL_REG,
+ TASDEVICE_BOOK_ID(reg));
+ if (ret < 0) {
+ dev_err(tas_priv->dev, "Switch Book E=%d\n", ret);
+ return ret;
+ }
+ tas_priv->cur_book = TASDEVICE_BOOK_ID(reg);
+ }
+ return ret;
+}
+
+int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv,
+ unsigned int reg,
+ unsigned int *val)
+{
+ struct regmap *map = tas_priv->regmap;
+ int ret;
+
+ ret = tasdevice_spi_switch_book(tas_priv, reg);
+ if (ret < 0)
+ return 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 = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1,
+ data, sizeof(data));
+ *val = data[1];
+ } else {
+ ret = regmap_read(map, TASDEVICE_PAGE_REG(reg) | 1, val);
+ }
+ if (ret < 0)
+ dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+ return ret;
+}
+
+int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv,
+ unsigned int reg,
+ unsigned int value)
+{
+ struct regmap *map = tas_priv->regmap;
+ int ret;
+
+ ret = tasdevice_spi_switch_book(tas_priv, reg);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_write(map, TASDEVICE_PAGE_REG(reg), value);
+ if (ret < 0)
+ dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+ return ret;
+}
+
+int tasdevice_spi_dev_bulk_write(struct tasdevice_priv *tas_priv,
+ unsigned int reg,
+ unsigned char *data,
+ unsigned int len)
+{
+ struct regmap *map = tas_priv->regmap;
+ int ret;
+
+ ret = tasdevice_spi_switch_book(tas_priv, reg);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_bulk_write(map, TASDEVICE_PAGE_REG(reg), data, len);
+ if (ret < 0)
+ dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+ return ret;
+}
+
+int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv,
+ unsigned int reg,
+ unsigned char *data,
+ unsigned int len)
+{
+ struct regmap *map = tas_priv->regmap;
+ int ret;
+
+ ret = tasdevice_spi_switch_book(tas_priv, reg);
+ if (ret < 0)
+ return ret;
+
+ if (len > TASDEVICE_MAX_PAGE)
+ len = TASDEVICE_MAX_PAGE;
+ /*
+ * 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_MAX_PAGE+1];
+
+ ret = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1, buf,
+ len + 1);
+ memcpy(data, buf + 1, len);
+ } else {
+ ret = regmap_bulk_read(map, TASDEVICE_PAGE_REG(reg) | 1, data,
+ len);
+ }
+ if (ret < 0)
+ dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+
+ return ret;
+}
+
+int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv,
+ unsigned int reg,
+ unsigned int mask,
+ unsigned int value)
+{
+ struct regmap *map = tas_priv->regmap;
+ 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_spi_dev_read(tas_priv, reg, &val);
+ if (ret < 0) {
+ dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
+ return ret;
+ }
+ ret = regmap_write(map, 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 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);
+ }
+ ret = tasdevice_spi_dev_write(tas_dev, TAS2781_REG_SWRESET,
+ TAS2781_REG_SWRESET_RESET);
+ if (ret < 0)
+ dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret);
+ 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);
+
+ ret = scnprintf(tas_priv->rca_binaryname,
+ sizeof(tas_priv->rca_binaryname), "%sRCA%d.bin",
+ tas_priv->dev_name, tas_priv->index);
+ if (ret <= 0) {
+ dev_err(tas_priv->dev, "rca name err:0x%08x\n", ret);
+ return ret;
+ }
+ 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->cur_prog = -1;
+ tas_priv->cur_conf = -1;
+
+ tas_priv->cur_book = -1;
+ tas_priv->cur_prog = -1;
+ tas_priv->cur_conf = -1;
+
+ /* Store default registers address for calibration data. */
+ tas_priv->cali_reg_array[0] = TASDEVICE_REG(0, 0x17, 0x74);
+ tas_priv->cali_reg_array[1] = TASDEVICE_REG(0, 0x18, 0x0c);
+ tas_priv->cali_reg_array[2] = TASDEVICE_REG(0, 0x18, 0x14);
+ tas_priv->cali_reg_array[3] = TASDEVICE_REG(0, 0x13, 0x70);
+ tas_priv->cali_reg_array[4] = TASDEVICE_REG(0, 0x18, 0x7c);
+
+ 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,
+ 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;
+
+ /* Read the primary device */
+ ret = tasdevice_spi_dev_read(tas_priv, 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 *tas_priv,
+ 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_spi_dev_write(tas_priv, mc->reg, (unsigned int)val);
+ if (ret)
+ dev_err(tas_priv->dev, "set digital vol err in dev %d\n",
+ tas_priv->index);
+
+ return ret;
+}
+
+static int tasdevice_spi_digital_getvol(struct tasdevice_priv *tas_priv,
+ struct snd_ctl_elem_value *ucontrol,
+ struct soc_mixer_control *mc)
+{
+ unsigned int invert = mc->invert;
+ int max = mc->max;
+ int ret, val;
+
+ /* Read the primary device as the whole */
+ ret = tasdevice_spi_dev_read(tas_priv, mc->reg, &val);
+ if (ret) {
+ dev_err(tas_priv->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));
+ tas_hda->dacpi = adev;
+ 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;
+ }
+ 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)) {
+ 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);
+
+ if (action == HDA_GEN_PCM_ACT_OPEN) {
+ pm_runtime_get_sync(dev);
+ guard(mutex)(&tas_hda->priv->codec_lock);
+ tasdevice_spi_tuning_switch(tas_hda->priv, 0);
+ } else if (action == HDA_GEN_PCM_ACT_CLOSE) {
+ guard(mutex)(&tas_hda->priv->codec_lock);
+ tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+ }
+}
+
+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_set_profile_id(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+ int max = tas_priv->rcabin.ncfgs - 1;
+ int val;
+
+ val = clamp(ucontrol->value.integer.value[0], 0, max);
+ if (tas_priv->rcabin.profile_cfg_id != val) {
+ tas_priv->rcabin.profile_cfg_id = val;
+ return 1;
+ }
+
+ return 0;
+}
+
+static 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;
+}
+
+static int tasdevice_info_config(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_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);
+ int nr_program = ucontrol->value.integer.value[0];
+ int max = tas_priv->fmw->nr_programs - 1;
+ int val;
+
+ val = clamp(nr_program, 0, max);
+
+ if (tas_priv->cur_prog != val) {
+ tas_priv->cur_prog = val;
+ return 1;
+ }
+
+ return 0;
+}
+
+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);
+ int max = tas_priv->fmw->nr_configurations - 1;
+ int val;
+
+ val = clamp(ucontrol->value.integer.value[0], 0, max);
+
+ if (tas_priv->cur_conf != val) {
+ tas_priv->cur_conf = val;
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * 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;
+
+ 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;
+
+ 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;
+
+ /* The check of the given value is in tasdevice_digital_putvol. */
+ 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;
+
+ /* The check of the given value is in tasdevice_amp_putvol. */
+ 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 const struct snd_kcontrol_new tas2781_snd_controls[] = {
+ ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain 0", TAS2781_AMP_LEVEL,
+ 1, 0, 20, 0, tas2781_amp_getvol,
+ tas2781_amp_putvol, amp_vol_tlv),
+ ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain 0", TAS2781_DVC_LVL,
+ 0, 0, 200, 1, tas2781_digital_getvol,
+ tas2781_digital_putvol, dvc_tlv),
+ ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load 0", 0,
+ tas2781_force_fwload_get, tas2781_force_fwload_put),
+ ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain 1", TAS2781_AMP_LEVEL,
+ 1, 0, 20, 0, tas2781_amp_getvol,
+ tas2781_amp_putvol, amp_vol_tlv),
+ ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain 1", TAS2781_DVC_LVL,
+ 0, 0, 200, 1, tas2781_digital_getvol,
+ tas2781_digital_putvol, dvc_tlv),
+ ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load 1", 0,
+ tas2781_force_fwload_get, tas2781_force_fwload_put),
+};
+
+static const struct snd_kcontrol_new tas2781_prof_ctrl[] = {
+{
+ .name = "Speaker Profile Id - 0",
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .info = tasdevice_info_profile,
+ .get = tasdevice_get_profile_id,
+ .put = tasdevice_set_profile_id,
+},
+{
+ .name = "Speaker Profile Id - 1",
+ .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 0",
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .info = tasdevice_info_programs,
+ .get = tasdevice_program_get,
+ .put = tasdevice_program_put,
+},
+{
+ .name = "Speaker Program Id 1",
+ .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 0",
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .info = tasdevice_info_config,
+ .get = tasdevice_config_get,
+ .put = tasdevice_config_put,
+},
+{
+ .name = "Speaker Config Id 1",
+ .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)
+{
+ int i, rc;
+
+ /*
+ * If no calibration data exist in tasdevice_priv *tas_priv,
+ * calibration apply will be ignored, and use default values
+ * in firmware binary, which was loaded during firmware download.
+ */
+ if (tas_priv->cali_data[0] == 0)
+ return;
+ /*
+ * Calibration data was saved in tasdevice_priv *tas_priv as:
+ * unsigned int cali_data[CALIB_MAX];
+ * and every data (in 4 bytes) will be saved in register which in
+ * book 0, and page number in page_array[], offset was saved in
+ * rgno_array[].
+ */
+ for (i = 0; i < CALIB_MAX; i++) {
+ rc = tasdevice_spi_dev_bulk_write(tas_priv,
+ tas_priv->cali_reg_array[i],
+ (unsigned char *)&tas_priv->cali_data[i], 4);
+ if (rc < 0)
+ dev_err(tas_priv->dev,
+ "chn %d calib %d bulk_wr err = %d\n",
+ tas_priv->index, i, rc);
+ }
+}
+
+/*
+ * 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.
+ * Calibration data format in EFI is V2, since 2024.
+ */
+static int tas2781_save_calibration(struct tasdevice_priv *tas_priv)
+{
+ /*
+ * GUID was used for data access in BIOS, it was provided by board
+ * manufactory, like HP: "{02f9af02-7734-4233-b43d-93fe5aa35db3}"
+ */
+ efi_guid_t efi_guid =
+ EFI_GUID(0x02f9af02, 0x7734, 0x4233,
+ 0xb4, 0x3d, 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3);
+ static efi_char16_t efi_name[] = TASDEVICE_CALIBRATION_DATA_NAME;
+ unsigned char data[TASDEVICE_CALIBRATION_DATA_SIZE], *buf;
+ unsigned int attr, crc, offset, *tmp_val;
+ struct tm *tm = &tas_priv->tm;
+ unsigned long total_sz = 0;
+ efi_status_t status;
+
+ tas_priv->cali_data[0] = 0;
+ status = efi.get_variable(efi_name, &efi_guid, &attr, &total_sz, data);
+ if (status == EFI_BUFFER_TOO_SMALL) {
+ if (total_sz > TASDEVICE_CALIBRATION_DATA_SIZE)
+ return -ENOMEM;
+ /* Get variable contents into buffer */
+ status = efi.get_variable(efi_name, &efi_guid, &attr,
+ &total_sz, data);
+ }
+ if (status != EFI_SUCCESS)
+ return status;
+
+ tmp_val = (unsigned int *)data;
+ 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)
+ * Device-Sum (4 bytes)
+ * TimeStamp of Calibration (4 bytes)
+ * for (i = 0; i < Device-Sum; i++) {
+ * Device #i index_info () {
+ * SDW link id (2bytes)
+ * SDW unique_id (2bytes)
+ * } // if Device number is 0x80, mean it's
+ * calibration registers address.
+ * Calibrated Data of Device #i (20 bytes)
+ * }
+ * 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])
+ return 0;
+
+ time64_to_tm(tmp_val[2], 0, tm);
+ for (int j = 0; j < tmp_val[1]; j++) {
+ offset = j * 6 + 3;
+ if (tmp_val[offset] == tas_priv->index) {
+ for (int i = 0; i < CALIB_MAX; i++)
+ tas_priv->cali_data[i] =
+ tmp_val[offset + i + 1];
+ } else if (tmp_val[offset] ==
+ TASDEVICE_CALIBRATION_REG_ADDRESS) {
+ for (int i = 0; i < CALIB_MAX; i++) {
+ buf = &data[(offset + i + 1) * 4];
+ tas_priv->cali_reg_array[i] =
+ TASDEVICE_REG(buf[1], buf[2],
+ buf[3]);
+ }
+ }
+ tas_priv->apply_calibration(tas_priv);
+ }
+ } 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]) {
+ time64_to_tm(tmp_val[20], 0, tm);
+ for (int i = 0; i < CALIB_MAX; i++)
+ tas_priv->cali_data[i] =
+ tmp_val[tas_priv->index * 5 + i];
+ tas_priv->apply_calibration(tas_priv);
+ }
+ }
+
+ 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, j, ret;
+
+ pm_runtime_get_sync(tas_priv->dev);
+ guard(mutex)(&tas_priv->codec_lock);
+
+ ret = tasdevice_spi_rca_parser(tas_priv, fmw);
+ if (ret)
+ goto out;
+
+ /* Add control one time only. */
+ tas_hda->prof_ctl = snd_ctl_new1(&tas2781_prof_ctrl[tas_priv->index],
+ 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[tas_priv->index].name, ret);
+ goto out;
+ }
+ j = tas_priv->index * ARRAY_SIZE(tas2781_snd_controls) / 2;
+ for (i = 0; i < 3; i++) {
+ tas_hda->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_controls[i+j],
+ 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+tas_priv->index*3].name,
+ ret);
+ goto out;
+ }
+ }
+
+ tasdevice_spi_dsp_remove(tas_priv);
+
+ tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
+ scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%08X-%01d.bin",
+ codec->core.subsystem_id, tas_priv->index);
+ ret = tasdevice_spi_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;
+ }
+
+ /* Add control one time only. */
+ tas_hda->dsp_prog_ctl =
+ snd_ctl_new1(&tas2781_dsp_prog_ctrl[tas_priv->index],
+ 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[tas_priv->index].name, ret);
+ goto out;
+ }
+
+ tas_hda->dsp_conf_ctl =
+ snd_ctl_new1(&tas2781_dsp_conf_ctrl[tas_priv->index],
+ 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[tas_priv->index].name, ret);
+ goto out;
+ }
+
+ /* Perform AMP reset before firmware download. */
+ tas_priv->rcabin.profile_cfg_id = TAS2781_PRE_POST_RESET_CFG;
+ tasdevice_spi_tuning_switch(tas_priv, 0);
+ tas2781_spi_reset(tas_priv);
+ tas_priv->rcabin.profile_cfg_id = 0;
+ tasdevice_spi_tuning_switch(tas_priv, 1);
+
+ tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
+ ret = tasdevice_spi_prmg_load(tas_priv, 0);
+ if (ret < 0) {
+ dev_err(tas_priv->dev, "FW download failed = %d\n", ret);
+ goto out;
+ }
+ 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.
+ */
+ tas_priv->save_calibration(tas_priv);
+
+out:
+ if (fmw)
+ 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 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_spi_config_info_remove(tas_hda->priv);
+ tasdevice_spi_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->priv->dev, &tas2781_hda_comp_ops);
+
+ pm_runtime_get_sync(tas_hda->priv->dev);
+ pm_runtime_disable(tas_hda->priv->dev);
+
+ pm_runtime_put_noidle(tas_hda->priv->dev);
+
+ mutex_destroy(&tas_hda->priv->codec_lock);
+}
+
+static int tas2781_hda_spi_probe(struct spi_device *spi)
+{
+ 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;
+
+ spi->max_speed_hz = TAS2781_SPI_MAX_FREQ;
+
+ tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL);
+ if (!tas_priv)
+ goto err;
+ 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);
+ goto err;
+ }
+ if (strstr(dev_name(&spi->dev), "TXNW2781")) {
+ device_name = "TXNW2781";
+ tas_priv->save_calibration = tas2781_save_calibration;
+ tas_priv->apply_calibration = tas2781_apply_calib;
+ } else {
+ goto err;
+ }
+
+ 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);
+ }
+
+err:
+ if (ret)
+ tas2781_hda_remove(&spi->dev);
+
+ return ret;
+}
+
+static void tas2781_hda_spi_remove(struct spi_device *spi)
+{
+ tas2781_hda_remove(&spi->dev);
+}
+
+static int tas2781_runtime_suspend(struct device *dev)
+{
+ struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+ guard(mutex)(&tas_hda->priv->codec_lock);
+
+ tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+
+ tas_hda->priv->cur_book = -1;
+ tas_hda->priv->cur_conf = -1;
+
+ return 0;
+}
+
+static int tas2781_runtime_resume(struct device *dev)
+{
+ struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+
+ guard(mutex)(&tas_hda->priv->codec_lock);
+
+ tasdevice_spi_tuning_switch(tas_hda->priv, 0);
+
+ return 0;
+}
+
+static int tas2781_system_suspend(struct device *dev)
+{
+ struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
+ int ret;
+
+ ret = pm_runtime_force_suspend(dev);
+ if (ret)
+ return ret;
+
+ /* Shutdown chip before system suspend */
+ tasdevice_spi_tuning_switch(tas_hda->priv, 1);
+ tas2781_spi_reset(tas_hda->priv);
+ /*
+ * 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 ret, val;
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret)
+ return ret;
+
+ guard(mutex)(&tas_hda->priv->codec_lock);
+ ret = tasdevice_spi_dev_read(tas_hda->priv, TAS2781_REG_CLK_CONFIG,
+ &val);
+ if (ret < 0)
+ return ret;
+
+ if (val == TAS2781_REG_CLK_CONFIG_RESET) {
+ tas_hda->priv->cur_book = -1;
+ tas_hda->priv->cur_conf = -1;
+ tas_hda->priv->cur_prog = -1;
+
+ ret = tasdevice_spi_prmg_load(tas_hda->priv, 0);
+ if (ret < 0) {
+ dev_err(tas_hda->priv->dev,
+ "FW download failed = %d\n", ret);
+ return ret;
+ }
+
+ if (tas_hda->priv->playback_started)
+ tasdevice_spi_tuning_switch(tas_hda->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");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+//
+// TAS2781 HDA SPI driver
+//
+// Copyright 2024 Texas Instruments, Inc.
+//
+// Author: Baojun Xu <baojun.xu@ti.com>
+
+#include <linux/crc8.h>
+#include <linux/firmware.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/unaligned.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tas2781-dsp.h>
+#include <sound/tlv.h>
+
+#include "tas2781-spi.h"
+
+#define OFFSET_ERROR_BIT BIT(31)
+
+#define ERROR_PRAM_CRCCHK 0x0000000
+#define ERROR_YRAM_CRCCHK 0x0000001
+#define PPC_DRIVER_CRCCHK 0x00000200
+
+#define TAS2781_SA_COEFF_SWAP_REG TASDEVICE_REG(0, 0x35, 0x2c)
+#define TAS2781_YRAM_BOOK1 140
+#define TAS2781_YRAM1_PAGE 42
+#define TAS2781_YRAM1_START_REG 88
+
+#define TAS2781_YRAM2_START_PAGE 43
+#define TAS2781_YRAM2_END_PAGE 49
+#define TAS2781_YRAM2_START_REG 8
+#define TAS2781_YRAM2_END_REG 127
+
+#define TAS2781_YRAM3_PAGE 50
+#define TAS2781_YRAM3_START_REG 8
+#define TAS2781_YRAM3_END_REG 27
+
+/* should not include B0_P53_R44-R47 */
+#define TAS2781_YRAM_BOOK2 0
+#define TAS2781_YRAM4_START_PAGE 50
+#define TAS2781_YRAM4_END_PAGE 60
+
+#define TAS2781_YRAM5_PAGE 61
+#define TAS2781_YRAM5_START_REG TAS2781_YRAM3_START_REG
+#define TAS2781_YRAM5_END_REG TAS2781_YRAM3_END_REG
+
+#define TASDEVICE_MAXPROGRAM_NUM_KERNEL 5
+#define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS 64
+#define TASDEVICE_MAXCONFIG_NUM_KERNEL 10
+#define MAIN_ALL_DEVICES_1X 0x01
+#define MAIN_DEVICE_A_1X 0x02
+#define MAIN_DEVICE_B_1X 0x03
+#define MAIN_DEVICE_C_1X 0x04
+#define MAIN_DEVICE_D_1X 0x05
+#define COEFF_DEVICE_A_1X 0x12
+#define COEFF_DEVICE_B_1X 0x13
+#define COEFF_DEVICE_C_1X 0x14
+#define COEFF_DEVICE_D_1X 0x15
+#define PRE_DEVICE_A_1X 0x22
+#define PRE_DEVICE_B_1X 0x23
+#define PRE_DEVICE_C_1X 0x24
+#define PRE_DEVICE_D_1X 0x25
+#define PRE_SOFTWARE_RESET_DEVICE_A 0x41
+#define PRE_SOFTWARE_RESET_DEVICE_B 0x42
+#define PRE_SOFTWARE_RESET_DEVICE_C 0x43
+#define PRE_SOFTWARE_RESET_DEVICE_D 0x44
+#define POST_SOFTWARE_RESET_DEVICE_A 0x45
+#define POST_SOFTWARE_RESET_DEVICE_B 0x46
+#define POST_SOFTWARE_RESET_DEVICE_C 0x47
+#define POST_SOFTWARE_RESET_DEVICE_D 0x48
+
+struct tas_crc {
+ unsigned char offset;
+ unsigned char len;
+};
+
+struct blktyp_devidx_map {
+ unsigned char blktyp;
+ unsigned char dev_idx;
+};
+
+/* fixed m68k compiling issue: mapping table can save code field */
+static const struct blktyp_devidx_map ppc3_tas2781_mapping_table[] = {
+ { MAIN_ALL_DEVICES_1X, 0x80 },
+ { MAIN_DEVICE_A_1X, 0x81 },
+ { COEFF_DEVICE_A_1X, 0x81 },
+ { PRE_DEVICE_A_1X, 0x81 },
+ { PRE_SOFTWARE_RESET_DEVICE_A, 0xC1 },
+ { POST_SOFTWARE_RESET_DEVICE_A, 0xC1 },
+ { MAIN_DEVICE_B_1X, 0x82 },
+ { COEFF_DEVICE_B_1X, 0x82 },
+ { PRE_DEVICE_B_1X, 0x82 },
+ { PRE_SOFTWARE_RESET_DEVICE_B, 0xC2 },
+ { POST_SOFTWARE_RESET_DEVICE_B, 0xC2 },
+ { MAIN_DEVICE_C_1X, 0x83 },
+ { COEFF_DEVICE_C_1X, 0x83 },
+ { PRE_DEVICE_C_1X, 0x83 },
+ { PRE_SOFTWARE_RESET_DEVICE_C, 0xC3 },
+ { POST_SOFTWARE_RESET_DEVICE_C, 0xC3 },
+ { MAIN_DEVICE_D_1X, 0x84 },
+ { COEFF_DEVICE_D_1X, 0x84 },
+ { PRE_DEVICE_D_1X, 0x84 },
+ { PRE_SOFTWARE_RESET_DEVICE_D, 0xC4 },
+ { POST_SOFTWARE_RESET_DEVICE_D, 0xC4 },
+};
+
+static const struct blktyp_devidx_map ppc3_mapping_table[] = {
+ { MAIN_ALL_DEVICES_1X, 0x80 },
+ { MAIN_DEVICE_A_1X, 0x81 },
+ { COEFF_DEVICE_A_1X, 0xC1 },
+ { PRE_DEVICE_A_1X, 0xC1 },
+ { MAIN_DEVICE_B_1X, 0x82 },
+ { COEFF_DEVICE_B_1X, 0xC2 },
+ { PRE_DEVICE_B_1X, 0xC2 },
+ { MAIN_DEVICE_C_1X, 0x83 },
+ { COEFF_DEVICE_C_1X, 0xC3 },
+ { PRE_DEVICE_C_1X, 0xC3 },
+ { MAIN_DEVICE_D_1X, 0x84 },
+ { COEFF_DEVICE_D_1X, 0xC4 },
+ { PRE_DEVICE_D_1X, 0xC4 },
+};
+
+static const struct blktyp_devidx_map non_ppc3_mapping_table[] = {
+ { MAIN_ALL_DEVICES, 0x80 },
+ { MAIN_DEVICE_A, 0x81 },
+ { COEFF_DEVICE_A, 0xC1 },
+ { PRE_DEVICE_A, 0xC1 },
+ { MAIN_DEVICE_B, 0x82 },
+ { COEFF_DEVICE_B, 0xC2 },
+ { PRE_DEVICE_B, 0xC2 },
+ { MAIN_DEVICE_C, 0x83 },
+ { COEFF_DEVICE_C, 0xC3 },
+ { PRE_DEVICE_C, 0xC3 },
+ { MAIN_DEVICE_D, 0x84 },
+ { COEFF_DEVICE_D, 0xC4 },
+ { PRE_DEVICE_D, 0xC4 },
+};
+
+/*
+ * Device support different configurations for different scene,
+ * like voice, music, calibration, was write in regbin file.
+ * Will be stored into tas_priv after regbin was loaded.
+ */
+static struct tasdevice_config_info *tasdevice_add_config(
+ struct tasdevice_priv *tas_priv, unsigned char *config_data,
+ unsigned int config_size, int *status)
+{
+ struct tasdevice_config_info *cfg_info;
+ struct tasdev_blk_data **bk_da;
+ unsigned int config_offset = 0;
+ unsigned int i;
+
+ /*
+ * In most projects are many audio cases, such as music, handfree,
+ * receiver, games, audio-to-haptics, PMIC record, bypass mode,
+ * portrait, landscape, etc. Even in multiple audios, one or
+ * two of the chips will work for the special case, such as
+ * ultrasonic application. In order to support these variable-numbers
+ * of audio cases, flexible configs have been introduced in the
+ * DSP firmware.
+ */
+ cfg_info = kzalloc(sizeof(*cfg_info), GFP_KERNEL);
+ if (!cfg_info) {
+ *status = -ENOMEM;
+ return NULL;
+ }
+
+ if (tas_priv->rcabin.fw_hdr.binary_version_num >= 0x105) {
+ if ((config_offset + 64) > config_size) {
+ *status = -EINVAL;
+ dev_err(tas_priv->dev, "add conf: Out of boundary\n");
+ goto config_err;
+ }
+ config_offset += 64;
+ }
+
+ if ((config_offset + 4) > config_size) {
+ *status = -EINVAL;
+ dev_err(tas_priv->dev, "add config: Out of boundary\n");
+ goto config_err;
+ }
+
+ /*
+ * convert data[offset], data[offset + 1], data[offset + 2] and
+ * data[offset + 3] into host
+ */
+ cfg_info->nblocks = get_unaligned_be32(&config_data[config_offset]);
+ config_offset += 4;
+
+ /*
+ * Several kinds of dsp/algorithm firmwares can run on tas2781,
+ * the number and size of blk are not fixed and different among
+ * these firmwares.
+ */
+ bk_da = cfg_info->blk_data = kcalloc(cfg_info->nblocks,
+ sizeof(*bk_da), GFP_KERNEL);
+ if (!bk_da) {
+ *status = -ENOMEM;
+ goto config_err;
+ }
+ cfg_info->real_nblocks = 0;
+ for (i = 0; i < cfg_info->nblocks; i++) {
+ if (config_offset + 12 > config_size) {
+ *status = -EINVAL;
+ dev_err(tas_priv->dev,
+ "%s: Out of boundary: i = %d nblocks = %u!\n",
+ __func__, i, cfg_info->nblocks);
+ goto block_err;
+ }
+ bk_da[i] = kzalloc(sizeof(*bk_da[i]), GFP_KERNEL);
+ if (!bk_da[i]) {
+ *status = -ENOMEM;
+ goto block_err;
+ }
+
+ bk_da[i]->dev_idx = config_data[config_offset];
+ config_offset++;
+
+ bk_da[i]->block_type = config_data[config_offset];
+ config_offset++;
+
+ bk_da[i]->yram_checksum =
+ get_unaligned_be16(&config_data[config_offset]);
+ config_offset += 2;
+ bk_da[i]->block_size =
+ get_unaligned_be32(&config_data[config_offset]);
+ config_offset += 4;
+
+ bk_da[i]->n_subblks =
+ get_unaligned_be32(&config_data[config_offset]);
+
+ config_offset += 4;
+
+ if (config_offset + bk_da[i]->block_size > config_size) {
+ *status = -EINVAL;
+ dev_err(tas_priv->dev,
+ "%s: Out of boundary: i = %d blks = %u!\n",
+ __func__, i, cfg_info->nblocks);
+ goto block_err;
+ }
+ /* instead of kzalloc+memcpy */
+ bk_da[i]->regdata = kmemdup(&config_data[config_offset],
+ bk_da[i]->block_size, GFP_KERNEL);
+ if (!bk_da[i]->regdata) {
+ *status = -ENOMEM;
+ i++;
+ goto block_err;
+ }
+
+ config_offset += bk_da[i]->block_size;
+ cfg_info->real_nblocks += 1;
+ }
+
+ return cfg_info;
+block_err:
+ for (int j = 0; j < i; j++)
+ kfree(bk_da[j]);
+ kfree(bk_da);
+config_err:
+ kfree(cfg_info);
+ return NULL;
+}
+
+/* Regbin file parser function. */
+int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw)
+{
+ struct tasdevice_priv *tas_priv = context;
+ struct tasdevice_config_info **cfg_info;
+ struct tasdevice_rca_hdr *fw_hdr;
+ struct tasdevice_rca *rca;
+ unsigned int total_config_sz = 0;
+ int offset = 0, ret = 0, i;
+ unsigned char *buf;
+
+ rca = &tas_priv->rcabin;
+ fw_hdr = &rca->fw_hdr;
+ if (!fmw || !fmw->data) {
+ dev_err(tas_priv->dev, "Failed to read %s\n",
+ tas_priv->rca_binaryname);
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -EINVAL;
+ }
+ buf = (unsigned char *)fmw->data;
+ fw_hdr->img_sz = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ if (fw_hdr->img_sz != fmw->size) {
+ dev_err(tas_priv->dev,
+ "File size not match, %d %u", (int)fmw->size,
+ fw_hdr->img_sz);
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -EINVAL;
+ }
+
+ fw_hdr->checksum = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ fw_hdr->binary_version_num = get_unaligned_be32(&buf[offset]);
+ if (fw_hdr->binary_version_num < 0x103) {
+ dev_err(tas_priv->dev, "File version 0x%04x is too low",
+ fw_hdr->binary_version_num);
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -EINVAL;
+ }
+ offset += 4;
+ fw_hdr->drv_fw_version = get_unaligned_be32(&buf[offset]);
+ offset += 8;
+ fw_hdr->plat_type = buf[offset++];
+ fw_hdr->dev_family = buf[offset++];
+ fw_hdr->reserve = buf[offset++];
+ fw_hdr->ndev = buf[offset++];
+ if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) {
+ dev_err(tas_priv->dev, "rca_ready: Out of boundary!\n");
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -EINVAL;
+ }
+
+ for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++)
+ fw_hdr->devs[i] = buf[offset];
+
+ fw_hdr->nconfig = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+
+ for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) {
+ fw_hdr->config_size[i] = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ total_config_sz += fw_hdr->config_size[i];
+ }
+
+ if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) {
+ dev_err(tas_priv->dev, "Bin file err %d - %d != %d!\n",
+ fw_hdr->img_sz, total_config_sz, (int)offset);
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -EINVAL;
+ }
+
+ cfg_info = kcalloc(fw_hdr->nconfig, sizeof(*cfg_info), GFP_KERNEL);
+ if (!cfg_info) {
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return -ENOMEM;
+ }
+ rca->cfg_info = cfg_info;
+ rca->ncfgs = 0;
+ for (i = 0; i < (int)fw_hdr->nconfig; i++) {
+ rca->ncfgs += 1;
+ cfg_info[i] = tasdevice_add_config(tas_priv, &buf[offset],
+ fw_hdr->config_size[i], &ret);
+ if (ret) {
+ tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+ return ret;
+ }
+ offset += (int)fw_hdr->config_size[i];
+ }
+
+ return ret;
+}
+
+/* fixed m68k compiling issue: mapping table can save code field */
+static unsigned char map_dev_idx(struct tasdevice_fw *tas_fmw,
+ struct tasdev_blk *block)
+{
+ struct blktyp_devidx_map *p =
+ (struct blktyp_devidx_map *)non_ppc3_mapping_table;
+ struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+ struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &fw_hdr->fixed_hdr;
+ int i, n = ARRAY_SIZE(non_ppc3_mapping_table);
+ unsigned char dev_idx = 0;
+
+ if (fw_fixed_hdr->ppcver >= PPC3_VERSION_TAS2781) {
+ p = (struct blktyp_devidx_map *)ppc3_tas2781_mapping_table;
+ n = ARRAY_SIZE(ppc3_tas2781_mapping_table);
+ } else if (fw_fixed_hdr->ppcver >= PPC3_VERSION) {
+ p = (struct blktyp_devidx_map *)ppc3_mapping_table;
+ n = ARRAY_SIZE(ppc3_mapping_table);
+ }
+
+ for (i = 0; i < n; i++) {
+ if (block->type == p[i].blktyp) {
+ dev_idx = p[i].dev_idx;
+ break;
+ }
+ }
+
+ return dev_idx;
+}
+
+/* Block parser function. */
+static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw,
+ struct tasdev_blk *block, const struct firmware *fmw, int offset)
+{
+ const unsigned char *data = fmw->data;
+
+ if (offset + 16 > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+
+ /*
+ * Convert data[offset], data[offset + 1], data[offset + 2] and
+ * data[offset + 3] into host.
+ */
+ block->type = get_unaligned_be32(&data[offset]);
+ offset += 4;
+
+ block->is_pchksum_present = data[offset++];
+ block->pchksum = data[offset++];
+ block->is_ychksum_present = data[offset++];
+ block->ychksum = data[offset++];
+ block->blk_size = get_unaligned_be32(&data[offset]);
+ offset += 4;
+ block->nr_subblocks = get_unaligned_be32(&data[offset]);
+ offset += 4;
+
+ /*
+ * Fixed m68k compiling issue:
+ * 1. mapping table can save code field.
+ * 2. storing the dev_idx as a member of block can reduce unnecessary
+ * time and system resource comsumption of dev_idx mapping every
+ * time the block data writing to the dsp.
+ */
+ block->dev_idx = map_dev_idx(tas_fmw, block);
+
+ if (offset + block->blk_size > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__);
+ return -EINVAL;
+ }
+ /* instead of kzalloc+memcpy */
+ block->data = kmemdup(&data[offset], block->blk_size, GFP_KERNEL);
+ if (!block->data)
+ return -ENOMEM;
+
+ offset += block->blk_size;
+
+ return offset;
+}
+
+/* Data of block parser function. */
+static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw,
+ struct tasdevice_data *img_data, const struct firmware *fmw,
+ int offset)
+{
+ const unsigned char *data = fmw->data;
+ struct tasdev_blk *blk;
+ unsigned int i;
+
+ if (offset + 4 > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+ img_data->nr_blk = get_unaligned_be32(&data[offset]);
+ offset += 4;
+
+ img_data->dev_blks = kcalloc(img_data->nr_blk,
+ sizeof(struct tasdev_blk), GFP_KERNEL);
+ if (!img_data->dev_blks)
+ return -ENOMEM;
+
+ for (i = 0; i < img_data->nr_blk; i++) {
+ blk = &img_data->dev_blks[i];
+ offset = fw_parse_block_data_kernel(
+ tas_fmw, blk, fmw, offset);
+ if (offset < 0) {
+ kfree(img_data->dev_blks);
+ return -EINVAL;
+ }
+ }
+
+ return offset;
+}
+
+/* Data of DSP program parser function. */
+static int fw_parse_program_data_kernel(
+ struct tasdevice_priv *tas_priv, struct tasdevice_fw *tas_fmw,
+ const struct firmware *fmw, int offset)
+{
+ struct tasdevice_prog *program;
+ unsigned int i;
+
+ for (i = 0; i < tas_fmw->nr_programs; i++) {
+ program = &tas_fmw->programs[i];
+ if (offset + 72 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+ return -EINVAL;
+ }
+ /* skip 72 unused byts */
+ offset += 72;
+
+ offset = fw_parse_data_kernel(tas_fmw, &program->dev_data,
+ fmw, offset);
+ if (offset < 0)
+ break;
+ }
+
+ return offset;
+}
+
+/* Data of DSP configurations parser function. */
+static int fw_parse_configuration_data_kernel(struct tasdevice_priv *tas_priv,
+ struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+ const unsigned char *data = fmw->data;
+ struct tasdevice_config *config;
+ unsigned int i;
+
+ for (i = 0; i < tas_fmw->nr_configurations; i++) {
+ config = &tas_fmw->configs[i];
+ if (offset + 80 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+ return -EINVAL;
+ }
+ memcpy(config->name, &data[offset], 64);
+ /* skip extra 16 bytes */
+ offset += 80;
+
+ offset = fw_parse_data_kernel(tas_fmw, &config->dev_data,
+ fmw, offset);
+ if (offset < 0)
+ break;
+ }
+
+ return offset;
+}
+
+/* DSP firmware file header parser function for early PPC3 firmware binary. */
+static int fw_parse_variable_header_kernel(struct tasdevice_priv *tas_priv,
+ const struct firmware *fmw, int offset)
+{
+ struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+ struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+ struct tasdevice_config *config;
+ struct tasdevice_prog *program;
+ const unsigned char *buf = fmw->data;
+ unsigned short max_confs;
+ unsigned int i;
+
+ if (offset + 12 + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) {
+ dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+ fw_hdr->device_family = get_unaligned_be16(&buf[offset]);
+ if (fw_hdr->device_family != 0) {
+ dev_err(tas_priv->dev, "%s:not TAS device\n", __func__);
+ return -EINVAL;
+ }
+ offset += 2;
+ fw_hdr->device = get_unaligned_be16(&buf[offset]);
+ if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
+ fw_hdr->device == 6) {
+ dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
+ return -EINVAL;
+ }
+ offset += 2;
+
+ tas_fmw->nr_programs = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+
+ if (tas_fmw->nr_programs == 0 ||
+ tas_fmw->nr_programs > TASDEVICE_MAXPROGRAM_NUM_KERNEL) {
+ dev_err(tas_priv->dev, "mnPrograms is invalid\n");
+ return -EINVAL;
+ }
+
+ tas_fmw->programs = kcalloc(tas_fmw->nr_programs,
+ sizeof(*tas_fmw->programs), GFP_KERNEL);
+ if (!tas_fmw->programs)
+ return -ENOMEM;
+
+ for (i = 0; i < tas_fmw->nr_programs; i++) {
+ program = &tas_fmw->programs[i];
+ program->prog_size = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ }
+
+ /* Skip the unused prog_size */
+ offset += 4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - tas_fmw->nr_programs);
+
+ tas_fmw->nr_configurations = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+
+ /*
+ * The max number of config in firmware greater than 4 pieces of
+ * tas2781s is different from the one lower than 4 pieces of
+ * tas2781s.
+ */
+ max_confs = TASDEVICE_MAXCONFIG_NUM_KERNEL;
+ if (tas_fmw->nr_configurations == 0 ||
+ tas_fmw->nr_configurations > max_confs) {
+ dev_err(tas_priv->dev, "%s: Conf is invalid\n", __func__);
+ kfree(tas_fmw->programs);
+ return -EINVAL;
+ }
+
+ if (offset + 4 * max_confs > fmw->size) {
+ dev_err(tas_priv->dev, "%s: mpConfigurations err\n", __func__);
+ kfree(tas_fmw->programs);
+ return -EINVAL;
+ }
+
+ tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+ sizeof(*tas_fmw->configs), GFP_KERNEL);
+ if (!tas_fmw->configs) {
+ kfree(tas_fmw->programs);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < tas_fmw->nr_programs; i++) {
+ config = &tas_fmw->configs[i];
+ config->cfg_size = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ }
+
+ /* Skip the unused configs */
+ offset += 4 * (max_confs - tas_fmw->nr_programs);
+
+ return offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform single byte write to device.
+ */
+static int tasdevice_single_byte_wr(void *context, int dev_idx,
+ unsigned char *data, int sublocksize)
+{
+ struct tasdevice_priv *tas_priv = context;
+ unsigned short len = get_unaligned_be16(&data[2]);
+ int i, subblk_offset, rc;
+
+ subblk_offset = 4;
+ if (subblk_offset + 4 * len > sublocksize) {
+ dev_err(tas_priv->dev, "process_block: Out of boundary\n");
+ return 0;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+ rc = tasdevice_spi_dev_write(tas_priv,
+ TASDEVICE_REG(data[subblk_offset],
+ data[subblk_offset + 1],
+ data[subblk_offset + 2]),
+ data[subblk_offset + 3]);
+ if (rc < 0) {
+ dev_err(tas_priv->dev,
+ "process_block: single write error\n");
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ }
+ subblk_offset += 4;
+ }
+
+ return subblk_offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform multi-write to device.
+ */
+static int tasdevice_burst_wr(void *context, int dev_idx, unsigned char *data,
+ int sublocksize)
+{
+ struct tasdevice_priv *tas_priv = context;
+ unsigned short len = get_unaligned_be16(&data[2]);
+ int subblk_offset, rc;
+
+ subblk_offset = 4;
+ if (subblk_offset + 4 + len > sublocksize) {
+ dev_err(tas_priv->dev, "%s: BST Out of boundary\n", __func__);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ if (len % 4) {
+ dev_err(tas_priv->dev, "%s:Bst-len(%u)not div by 4\n",
+ __func__, len);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+
+ if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+ rc = tasdevice_spi_dev_bulk_write(tas_priv,
+ TASDEVICE_REG(data[subblk_offset],
+ data[subblk_offset + 1],
+ data[subblk_offset + 2]),
+ &data[subblk_offset + 4], len);
+ if (rc < 0) {
+ dev_err(tas_priv->dev, "%s: bulk_write error = %d\n",
+ __func__, rc);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ }
+ subblk_offset += (len + 4);
+
+ return subblk_offset;
+}
+
+/* Just delay for ms.*/
+static int tasdevice_delay(void *context, int dev_idx, unsigned char *data,
+ int sublocksize)
+{
+ struct tasdevice_priv *tas_priv = context;
+ unsigned int sleep_time, subblk_offset = 2;
+
+ if (subblk_offset + 2 > sublocksize) {
+ dev_err(tas_priv->dev, "%s: delay Out of boundary\n",
+ __func__);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+ sleep_time = get_unaligned_be16(&data[2]) * 1000;
+ fsleep(sleep_time);
+ }
+ subblk_offset += 2;
+
+ return subblk_offset;
+}
+
+/*
+ * In sub-block data, have three type sub-block:
+ * 1. Single byte write.
+ * 2. Multi-byte write.
+ * 3. Delay.
+ * 4. Bits update.
+ * This function perform bits update.
+ */
+static int tasdevice_field_wr(void *context, int dev_idx, unsigned char *data,
+ int sublocksize)
+{
+ struct tasdevice_priv *tas_priv = context;
+ int rc, subblk_offset = 2;
+
+ if (subblk_offset + 6 > sublocksize) {
+ dev_err(tas_priv->dev, "%s: bit write Out of boundary\n",
+ __func__);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ if (dev_idx == (tas_priv->index + 1) || dev_idx == 0) {
+ rc = tasdevice_spi_dev_update_bits(tas_priv,
+ TASDEVICE_REG(data[subblk_offset + 2],
+ data[subblk_offset + 3],
+ data[subblk_offset + 4]),
+ data[subblk_offset + 1],
+ data[subblk_offset + 5]);
+ if (rc < 0) {
+ dev_err(tas_priv->dev, "%s: update_bits error = %d\n",
+ __func__, rc);
+ subblk_offset |= OFFSET_ERROR_BIT;
+ }
+ }
+ subblk_offset += 6;
+
+ return subblk_offset;
+}
+
+/* Data block process function. */
+static int tasdevice_process_block(void *context, unsigned char *data,
+ unsigned char dev_idx, int sublocksize)
+{
+ struct tasdevice_priv *tas_priv = context;
+ int blktyp = dev_idx & 0xC0, subblk_offset;
+ unsigned char subblk_typ = data[1];
+
+ switch (subblk_typ) {
+ case TASDEVICE_CMD_SING_W:
+ subblk_offset = tasdevice_single_byte_wr(tas_priv,
+ dev_idx & 0x4f, data, sublocksize);
+ break;
+ case TASDEVICE_CMD_BURST:
+ subblk_offset = tasdevice_burst_wr(tas_priv,
+ dev_idx & 0x4f, data, sublocksize);
+ break;
+ case TASDEVICE_CMD_DELAY:
+ subblk_offset = tasdevice_delay(tas_priv,
+ dev_idx & 0x4f, data, sublocksize);
+ break;
+ case TASDEVICE_CMD_FIELD_W:
+ subblk_offset = tasdevice_field_wr(tas_priv,
+ dev_idx & 0x4f, data, sublocksize);
+ break;
+ default:
+ subblk_offset = 2;
+ break;
+ }
+ if (((subblk_offset & OFFSET_ERROR_BIT) != 0) && blktyp != 0) {
+ if (blktyp == 0x80) {
+ tas_priv->cur_prog = -1;
+ tas_priv->cur_conf = -1;
+ } else
+ tas_priv->cur_conf = -1;
+ }
+ subblk_offset &= ~OFFSET_ERROR_BIT;
+
+ return subblk_offset;
+}
+
+/*
+ * Device support different configurations for different scene,
+ * this function was used for choose different config.
+ */
+void tasdevice_spi_select_cfg_blk(void *pContext, int conf_no,
+ unsigned char block_type)
+{
+ struct tasdevice_priv *tas_priv = pContext;
+ struct tasdevice_rca *rca = &tas_priv->rcabin;
+ struct tasdevice_config_info **cfg_info = rca->cfg_info;
+ struct tasdev_blk_data **blk_data;
+ unsigned int j, k;
+
+ if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) {
+ dev_err(tas_priv->dev, "conf_no should be not more than %u\n",
+ rca->ncfgs);
+ return;
+ }
+ blk_data = cfg_info[conf_no]->blk_data;
+
+ for (j = 0; j < cfg_info[conf_no]->real_nblocks; j++) {
+ unsigned int length = 0, rc = 0;
+
+ if (block_type > 5 || block_type < 2) {
+ dev_err(tas_priv->dev,
+ "block_type should be in range from 2 to 5\n");
+ break;
+ }
+ if (block_type != blk_data[j]->block_type)
+ continue;
+
+ for (k = 0; k < blk_data[j]->n_subblks; k++) {
+ tas_priv->is_loading = true;
+
+ rc = tasdevice_process_block(tas_priv,
+ blk_data[j]->regdata + length,
+ blk_data[j]->dev_idx,
+ blk_data[j]->block_size - length);
+ length += rc;
+ if (blk_data[j]->block_size < length) {
+ dev_err(tas_priv->dev,
+ "%s: %u %u out of boundary\n",
+ __func__, length,
+ blk_data[j]->block_size);
+ break;
+ }
+ }
+ if (length != blk_data[j]->block_size)
+ dev_err(tas_priv->dev, "%s: %u %u size is not same\n",
+ __func__, length, blk_data[j]->block_size);
+ }
+}
+
+/* Block process function. */
+static int tasdevice_load_block_kernel(
+ struct tasdevice_priv *tasdevice, struct tasdev_blk *block)
+{
+ const unsigned int blk_size = block->blk_size;
+ unsigned char *data = block->data;
+ unsigned int i, length;
+
+ for (i = 0, length = 0; i < block->nr_subblocks; i++) {
+ int rc = tasdevice_process_block(tasdevice, data + length,
+ block->dev_idx, blk_size - length);
+ if (rc < 0) {
+ dev_err(tasdevice->dev,
+ "%s: %u %u sublock write error\n",
+ __func__, length, blk_size);
+ return rc;
+ }
+ length += rc;
+ if (blk_size < length) {
+ dev_err(tasdevice->dev, "%s: %u %u out of boundary\n",
+ __func__, length, blk_size);
+ rc = -ENOMEM;
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+/* DSP firmware file header parser function. */
+static int fw_parse_variable_hdr(struct tasdevice_priv *tas_priv,
+ struct tasdevice_dspfw_hdr *fw_hdr,
+ const struct firmware *fmw, int offset)
+{
+ const unsigned char *buf = fmw->data;
+ int len = strlen((char *)&buf[offset]);
+
+ len++;
+
+ if (offset + len + 8 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+
+ offset += len;
+
+ fw_hdr->device_family = get_unaligned_be32(&buf[offset]);
+ if (fw_hdr->device_family != 0) {
+ dev_err(tas_priv->dev, "%s: not TAS device\n", __func__);
+ return -EINVAL;
+ }
+ offset += 4;
+
+ fw_hdr->device = get_unaligned_be32(&buf[offset]);
+ if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
+ fw_hdr->device == 6) {
+ dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
+ return -EINVAL;
+ }
+ offset += 4;
+ fw_hdr->ndev = 1;
+
+ return offset;
+}
+
+/* DSP firmware file header parser function for size variabled header. */
+static int fw_parse_variable_header_git(struct tasdevice_priv
+ *tas_priv, const struct firmware *fmw, int offset)
+{
+ struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+ struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+
+ offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
+
+ return offset;
+}
+
+/* DSP firmware file block parser function. */
+static int fw_parse_block_data(struct tasdevice_fw *tas_fmw,
+ struct tasdev_blk *block, const struct firmware *fmw, int offset)
+{
+ unsigned char *data = (unsigned char *)fmw->data;
+ int n;
+
+ if (offset + 8 > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: Type error\n", __func__);
+ return -EINVAL;
+ }
+ block->type = get_unaligned_be32(&data[offset]);
+ offset += 4;
+
+ if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= PPC_DRIVER_CRCCHK) {
+ if (offset + 8 > fmw->size) {
+ dev_err(tas_fmw->dev, "PChkSumPresent error\n");
+ return -EINVAL;
+ }
+ block->is_pchksum_present = data[offset];
+ offset++;
+
+ block->pchksum = data[offset];
+ offset++;
+
+ block->is_ychksum_present = data[offset];
+ offset++;
+
+ block->ychksum = data[offset];
+ offset++;
+ } else {
+ block->is_pchksum_present = 0;
+ block->is_ychksum_present = 0;
+ }
+
+ block->nr_cmds = get_unaligned_be32(&data[offset]);
+ offset += 4;
+
+ n = block->nr_cmds * 4;
+ if (offset + n > fmw->size) {
+ dev_err(tas_fmw->dev,
+ "%s: File Size(%lu) error offset = %d n = %d\n",
+ __func__, (unsigned long)fmw->size, offset, n);
+ return -EINVAL;
+ }
+ /* instead of kzalloc+memcpy */
+ block->data = kmemdup(&data[offset], n, GFP_KERNEL);
+ if (!block->data)
+ return -ENOMEM;
+
+ offset += n;
+
+ return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_data(struct tasdevice_fw *tas_fmw,
+ struct tasdevice_data *img_data, const struct firmware *fmw,
+ int offset)
+{
+ const unsigned char *data = (unsigned char *)fmw->data;
+ struct tasdev_blk *blk;
+ unsigned int i, n;
+
+ if (offset + 64 > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: Name error\n", __func__);
+ return -EINVAL;
+ }
+ memcpy(img_data->name, &data[offset], 64);
+ offset += 64;
+
+ n = strlen((char *)&data[offset]);
+ n++;
+ if (offset + n + 2 > fmw->size) {
+ dev_err(tas_fmw->dev, "%s: Description error\n", __func__);
+ return -EINVAL;
+ }
+ offset += n;
+ img_data->nr_blk = get_unaligned_be16(&data[offset]);
+ offset += 2;
+
+ img_data->dev_blks = kcalloc(img_data->nr_blk,
+ sizeof(*img_data->dev_blks), GFP_KERNEL);
+ if (!img_data->dev_blks)
+ return -ENOMEM;
+
+ for (i = 0; i < img_data->nr_blk; i++) {
+ blk = &img_data->dev_blks[i];
+ offset = fw_parse_block_data(tas_fmw, blk, fmw, offset);
+ if (offset < 0)
+ return -EINVAL;
+ }
+
+ return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_program_data(struct tasdevice_priv *tas_priv,
+ struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+ unsigned char *buf = (unsigned char *)fmw->data;
+ struct tasdevice_prog *program;
+ int i;
+
+ if (offset + 2 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+ tas_fmw->nr_programs = get_unaligned_be16(&buf[offset]);
+ offset += 2;
+
+ if (tas_fmw->nr_programs == 0) {
+ /* Not error in calibration Data file, return directly */
+ dev_dbg(tas_priv->dev, "%s: No Programs data, maybe calbin\n",
+ __func__);
+ return offset;
+ }
+
+ tas_fmw->programs =
+ kcalloc(tas_fmw->nr_programs, sizeof(*tas_fmw->programs),
+ GFP_KERNEL);
+ if (!tas_fmw->programs)
+ return -ENOMEM;
+
+ for (i = 0; i < tas_fmw->nr_programs; i++) {
+ int n = 0;
+
+ program = &tas_fmw->programs[i];
+ if (offset + 64 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
+ return -EINVAL;
+ }
+ offset += 64;
+
+ n = strlen((char *)&buf[offset]);
+ /* skip '\0' and 5 unused bytes */
+ n += 6;
+ if (offset + n > fmw->size) {
+ dev_err(tas_priv->dev, "Description err\n");
+ return -EINVAL;
+ }
+
+ offset += n;
+
+ offset = fw_parse_data(tas_fmw, &program->dev_data, fmw,
+ offset);
+ if (offset < 0)
+ return offset;
+ }
+
+ return offset;
+}
+
+/*
+ * When parsing error occurs, all the memory resource will be released
+ * in the end of tasdevice_rca_ready.
+ */
+static int fw_parse_configuration_data(struct tasdevice_priv *tas_priv,
+ struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+ unsigned char *data = (unsigned char *)fmw->data;
+ struct tasdevice_config *config;
+ unsigned int i, n;
+
+ if (offset + 2 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+ return -EINVAL;
+ }
+ tas_fmw->nr_configurations = get_unaligned_be16(&data[offset]);
+ offset += 2;
+
+ if (tas_fmw->nr_configurations == 0) {
+ dev_err(tas_priv->dev, "%s: Conf is zero\n", __func__);
+ /* Not error for calibration Data file, return directly */
+ return offset;
+ }
+ tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+ sizeof(*tas_fmw->configs), GFP_KERNEL);
+ if (!tas_fmw->configs)
+ return -ENOMEM;
+ for (i = 0; i < tas_fmw->nr_configurations; i++) {
+ config = &tas_fmw->configs[i];
+ if (offset + 64 > fmw->size) {
+ dev_err(tas_priv->dev, "File Size err\n");
+ return -EINVAL;
+ }
+ memcpy(config->name, &data[offset], 64);
+ offset += 64;
+
+ n = strlen((char *)&data[offset]);
+ n += 15;
+ if (offset + n > fmw->size) {
+ dev_err(tas_priv->dev, "Description err\n");
+ return -EINVAL;
+ }
+ offset += n;
+ offset = fw_parse_data(tas_fmw, &config->dev_data,
+ fmw, offset);
+ if (offset < 0)
+ break;
+ }
+
+ return offset;
+}
+
+/* yram5 page check. */
+static bool check_inpage_yram_rg(struct tas_crc *cd,
+ unsigned char reg, unsigned char len)
+{
+ bool in = false;
+
+ if (reg <= TAS2781_YRAM5_END_REG &&
+ reg >= TAS2781_YRAM5_START_REG) {
+ if (reg + len > TAS2781_YRAM5_END_REG)
+ cd->len = TAS2781_YRAM5_END_REG - reg + 1;
+ else
+ cd->len = len;
+ cd->offset = reg;
+ in = true;
+ } else if (reg < TAS2781_YRAM5_START_REG) {
+ if (reg + len > TAS2781_YRAM5_START_REG) {
+ cd->offset = TAS2781_YRAM5_START_REG;
+ cd->len = len - TAS2781_YRAM5_START_REG + reg;
+ in = true;
+ }
+ }
+
+ return in;
+}
+
+/* DSP firmware yram block check. */
+static bool check_inpage_yram_bk1(struct tas_crc *cd,
+ unsigned char page, unsigned char reg, unsigned char len)
+{
+ bool in = false;
+
+ if (page == TAS2781_YRAM1_PAGE) {
+ if (reg >= TAS2781_YRAM1_START_REG) {
+ cd->offset = reg;
+ cd->len = len;
+ in = true;
+ } else if (reg + len > TAS2781_YRAM1_START_REG) {
+ cd->offset = TAS2781_YRAM1_START_REG;
+ cd->len = len - TAS2781_YRAM1_START_REG + reg;
+ in = true;
+ }
+ } else if (page == TAS2781_YRAM3_PAGE) {
+ in = check_inpage_yram_rg(cd, reg, len);
+ }
+
+ return in;
+}
+
+/*
+ * Return Code:
+ * true -- the registers are in the inpage yram
+ * false -- the registers are NOT in the inpage yram
+ */
+static bool check_inpage_yram(struct tas_crc *cd, unsigned char book,
+ unsigned char page, unsigned char reg, unsigned char len)
+{
+ bool in = false;
+
+ if (book == TAS2781_YRAM_BOOK1)
+ in = check_inpage_yram_bk1(cd, page, reg, len);
+ else if (book == TAS2781_YRAM_BOOK2 && page == TAS2781_YRAM5_PAGE)
+ in = check_inpage_yram_rg(cd, reg, len);
+
+ return in;
+}
+
+/* yram4 page check. */
+static bool check_inblock_yram_bk(struct tas_crc *cd,
+ unsigned char page, unsigned char reg, unsigned char len)
+{
+ bool in = false;
+
+ if ((page >= TAS2781_YRAM4_START_PAGE &&
+ page <= TAS2781_YRAM4_END_PAGE) ||
+ (page >= TAS2781_YRAM2_START_PAGE &&
+ page <= TAS2781_YRAM2_END_PAGE)) {
+ if (reg <= TAS2781_YRAM2_END_REG &&
+ reg >= TAS2781_YRAM2_START_REG) {
+ cd->offset = reg;
+ cd->len = len;
+ in = true;
+ } else if (reg < TAS2781_YRAM2_START_REG) {
+ if (reg + len - 1 >= TAS2781_YRAM2_START_REG) {
+ cd->offset = TAS2781_YRAM2_START_REG;
+ cd->len = reg + len - TAS2781_YRAM2_START_REG;
+ in = true;
+ }
+ }
+ }
+
+ return in;
+}
+
+/*
+ * Return Code:
+ * true -- the registers are in the inblock yram
+ * false -- the registers are NOT in the inblock yram
+ */
+static bool check_inblock_yram(struct tas_crc *cd, unsigned char book,
+ unsigned char page, unsigned char reg, unsigned char len)
+{
+ bool in = false;
+
+ if (book == TAS2781_YRAM_BOOK1 || book == TAS2781_YRAM_BOOK2)
+ in = check_inblock_yram_bk(cd, page, reg, len);
+
+ return in;
+}
+
+/* yram page check. */
+static bool check_yram(struct tas_crc *cd, unsigned char book,
+ unsigned char page, unsigned char reg, unsigned char len)
+{
+ bool in;
+
+ in = check_inpage_yram(cd, book, page, reg, len);
+ if (!in)
+ in = check_inblock_yram(cd, book, page, reg, len);
+
+ return in;
+}
+
+/* Checksum for data block. */
+static int tasdev_multibytes_chksum(struct tasdevice_priv *tasdevice,
+ unsigned char book, unsigned char page,
+ unsigned char reg, unsigned int len)
+{
+ struct tas_crc crc_data;
+ unsigned char crc_chksum = 0;
+ unsigned char nBuf1[128];
+ int ret = 0, i;
+ bool in;
+
+ if ((reg + len - 1) > 127) {
+ ret = -EINVAL;
+ dev_err(tasdevice->dev, "firmware error\n");
+ goto end;
+ }
+
+ if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (reg == TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (len == 4)) {
+ /* DSP swap command, pass */
+ ret = 0;
+ goto end;
+ }
+
+ in = check_yram(&crc_data, book, page, reg, len);
+ if (!in)
+ goto end;
+
+ if (len == 1) {
+ dev_err(tasdevice->dev, "firmware error\n");
+ ret = -EINVAL;
+ goto end;
+ }
+
+ ret = tasdevice_spi_dev_bulk_read(tasdevice,
+ TASDEVICE_REG(book, page, crc_data.offset),
+ nBuf1, crc_data.len);
+ if (ret < 0)
+ goto end;
+
+ for (i = 0; i < crc_data.len; i++) {
+ if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ ((i + crc_data.offset) >=
+ TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ ((i + crc_data.offset) <=
+ (TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG) + 4)))
+ /* DSP swap command, bypass */
+ continue;
+ else
+ crc_chksum += crc8(tasdevice->crc8_lkp_tbl, &nBuf1[i],
+ 1, 0);
+ }
+
+ ret = crc_chksum;
+
+end:
+ return ret;
+}
+
+/* Checksum for single register. */
+static int do_singlereg_checksum(struct tasdevice_priv *tasdevice,
+ unsigned char book, unsigned char page,
+ unsigned char reg, unsigned char val)
+{
+ struct tas_crc crc_data;
+ unsigned int nData1;
+ int ret = 0;
+ bool in;
+
+ /* DSP swap command, pass */
+ if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (reg >= TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
+ (reg <= (TASDEVICE_REG_ID(TAS2781_SA_COEFF_SWAP_REG) + 4)))
+ return 0;
+
+ in = check_yram(&crc_data, book, page, reg, 1);
+ if (!in)
+ return 0;
+ ret = tasdevice_spi_dev_read(tasdevice,
+ TASDEVICE_REG(book, page, reg), &nData1);
+ if (ret < 0)
+ return ret;
+
+ if (nData1 != val) {
+ dev_err(tasdevice->dev,
+ "B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n",
+ book, page, reg, val, nData1);
+ tasdevice->err_code |= ERROR_YRAM_CRCCHK;
+ return -EAGAIN;
+ }
+
+ ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0);
+
+ return ret;
+}
+
+/* Block type check. */
+static void set_err_prg_cfg(unsigned int type, struct tasdevice_priv *p)
+{
+ if ((type == MAIN_ALL_DEVICES) || (type == MAIN_DEVICE_A) ||
+ (type == MAIN_DEVICE_B) || (type == MAIN_DEVICE_C) ||
+ (type == MAIN_DEVICE_D))
+ p->cur_prog = -1;
+ else
+ p->cur_conf = -1;
+}
+
+/* Checksum for data bytes. */
+static int tasdev_bytes_chksum(struct tasdevice_priv *tas_priv,
+ struct tasdev_blk *block, unsigned char book,
+ unsigned char page, unsigned char reg, unsigned int len,
+ unsigned char val, unsigned char *crc_chksum)
+{
+ int ret;
+
+ if (len > 1)
+ ret = tasdev_multibytes_chksum(tas_priv, book, page, reg,
+ len);
+ else
+ ret = do_singlereg_checksum(tas_priv, book, page, reg, val);
+
+ if (ret > 0) {
+ *crc_chksum += ret;
+ goto end;
+ }
+
+ if (ret != -EAGAIN)
+ goto end;
+
+ block->nr_retry--;
+ if (block->nr_retry > 0)
+ goto end;
+
+ set_err_prg_cfg(block->type, tas_priv);
+
+end:
+ return ret;
+}
+
+/* Multi-data byte write. */
+static int tasdev_multibytes_wr(struct tasdevice_priv *tas_priv,
+ struct tasdev_blk *block, unsigned char book,
+ unsigned char page, unsigned char reg, unsigned char *data,
+ unsigned int len, unsigned int *nr_cmds,
+ unsigned char *crc_chksum)
+{
+ int ret;
+
+ if (len > 1) {
+ ret = tasdevice_spi_dev_bulk_write(tas_priv,
+ TASDEVICE_REG(book, page, reg), data + 3, len);
+ if (ret < 0)
+ return ret;
+ if (block->is_ychksum_present)
+ ret = tasdev_bytes_chksum(tas_priv, block,
+ book, page, reg, len, 0, crc_chksum);
+ } else {
+ ret = tasdevice_spi_dev_write(tas_priv,
+ TASDEVICE_REG(book, page, reg), data[3]);
+ if (ret < 0)
+ return ret;
+ if (block->is_ychksum_present)
+ ret = tasdev_bytes_chksum(tas_priv, block, book,
+ page, reg, 1, data[3], crc_chksum);
+ }
+
+ if (!block->is_ychksum_present || ret >= 0) {
+ *nr_cmds += 1;
+ if (len >= 2)
+ *nr_cmds += ((len - 2) / 4) + 1;
+ }
+
+ return ret;
+}
+
+/* Checksum for block. */
+static int tasdev_block_chksum(struct tasdevice_priv *tas_priv,
+ struct tasdev_blk *block)
+{
+ unsigned int nr_value;
+ int ret;
+
+ ret = tasdevice_spi_dev_read(tas_priv, TASDEVICE_CHECKSUM, &nr_value);
+ if (ret < 0) {
+ dev_err(tas_priv->dev, "%s: read error %d.\n", __func__, ret);
+ set_err_prg_cfg(block->type, tas_priv);
+ return ret;
+ }
+
+ if ((nr_value & 0xff) != block->pchksum) {
+ dev_err(tas_priv->dev, "%s: PChkSum err %d ", __func__, ret);
+ dev_err(tas_priv->dev, "PChkSum = 0x%x, Reg = 0x%x\n",
+ block->pchksum, (nr_value & 0xff));
+ tas_priv->err_code |= ERROR_PRAM_CRCCHK;
+ ret = -EAGAIN;
+ block->nr_retry--;
+
+ if (block->nr_retry <= 0)
+ set_err_prg_cfg(block->type, tas_priv);
+ } else {
+ tas_priv->err_code &= ~ERROR_PRAM_CRCCHK;
+ }
+
+ return ret;
+}
+
+/* Firmware block load function. */
+static int tasdev_load_blk(struct tasdevice_priv *tas_priv,
+ struct tasdev_blk *block)
+{
+ unsigned int sleep_time, len, nr_cmds;
+ unsigned char offset, book, page, val;
+ unsigned char *data = block->data;
+ unsigned char crc_chksum = 0;
+ int ret = 0;
+
+ while (block->nr_retry > 0) {
+ if (block->is_pchksum_present) {
+ ret = tasdevice_spi_dev_write(tas_priv,
+ TASDEVICE_CHECKSUM, 0);
+ if (ret < 0)
+ break;
+ }
+
+ if (block->is_ychksum_present)
+ crc_chksum = 0;
+
+ nr_cmds = 0;
+
+ while (nr_cmds < block->nr_cmds) {
+ data = block->data + nr_cmds * 4;
+
+ book = data[0];
+ page = data[1];
+ offset = data[2];
+ val = data[3];
+
+ nr_cmds++;
+ /* Single byte write */
+ if (offset <= 0x7F) {
+ ret = tasdevice_spi_dev_write(tas_priv,
+ TASDEVICE_REG(book, page, offset),
+ val);
+ if (ret < 0)
+ break;
+ if (block->is_ychksum_present) {
+ ret = tasdev_bytes_chksum(tas_priv,
+ block, book, page, offset,
+ 1, val, &crc_chksum);
+ if (ret < 0)
+ break;
+ }
+ continue;
+ }
+ /* sleep command */
+ if (offset == 0x81) {
+ /* book -- data[0] page -- data[1] */
+ sleep_time = ((book << 8) + page)*1000;
+ fsleep(sleep_time);
+ continue;
+ }
+ /* Multiple bytes write */
+ if (offset == 0x85) {
+ data += 4;
+ len = (book << 8) + page;
+ book = data[0];
+ page = data[1];
+ offset = data[2];
+ ret = tasdev_multibytes_wr(tas_priv,
+ block, book, page, offset, data,
+ len, &nr_cmds, &crc_chksum);
+ if (ret < 0)
+ break;
+ }
+ }
+ if (ret == -EAGAIN) {
+ if (block->nr_retry > 0)
+ continue;
+ } else if (ret < 0) {
+ /* err in current device, skip it */
+ break;
+ }
+
+ if (block->is_pchksum_present) {
+ ret = tasdev_block_chksum(tas_priv, block);
+ if (ret == -EAGAIN) {
+ if (block->nr_retry > 0)
+ continue;
+ } else if (ret < 0) {
+ /* err in current device, skip it */
+ break;
+ }
+ }
+
+ if (block->is_ychksum_present) {
+ /* TBD, open it when FW ready */
+ dev_err(tas_priv->dev,
+ "Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n",
+ block->ychksum, crc_chksum);
+
+ tas_priv->err_code &=
+ ~ERROR_YRAM_CRCCHK;
+ ret = 0;
+ }
+ /* skip current blk */
+ break;
+ }
+
+ return ret;
+}
+
+/* Firmware block load function. */
+static int tasdevice_load_block(struct tasdevice_priv *tas_priv,
+ struct tasdev_blk *block)
+{
+ int ret = 0;
+
+ block->nr_retry = 6;
+ if (tas_priv->is_loading == false)
+ return 0;
+ ret = tasdev_load_blk(tas_priv, block);
+ if (ret < 0)
+ dev_err(tas_priv->dev, "Blk (%d) load error\n", block->type);
+
+ return ret;
+}
+
+/*
+ * Select firmware binary parser & load callback functions by ppc3 version
+ * and firmware binary version.
+ */
+static int dspfw_default_callback(struct tasdevice_priv *tas_priv,
+ unsigned int drv_ver, unsigned int ppcver)
+{
+ int rc = 0;
+
+ if (drv_ver == 0x100) {
+ if (ppcver >= PPC3_VERSION) {
+ tas_priv->fw_parse_variable_header =
+ fw_parse_variable_header_kernel;
+ tas_priv->fw_parse_program_data =
+ fw_parse_program_data_kernel;
+ tas_priv->fw_parse_configuration_data =
+ fw_parse_configuration_data_kernel;
+ tas_priv->tasdevice_load_block =
+ tasdevice_load_block_kernel;
+ } else if (ppcver == 0x00) {
+ tas_priv->fw_parse_variable_header =
+ fw_parse_variable_header_git;
+ tas_priv->fw_parse_program_data =
+ fw_parse_program_data;
+ tas_priv->fw_parse_configuration_data =
+ fw_parse_configuration_data;
+ tas_priv->tasdevice_load_block =
+ tasdevice_load_block;
+ } else {
+ dev_err(tas_priv->dev,
+ "Wrong PPCVer :0x%08x\n", ppcver);
+ rc = -EINVAL;
+ }
+ } else {
+ dev_err(tas_priv->dev, "Wrong DrvVer : 0x%02x\n", drv_ver);
+ rc = -EINVAL;
+ }
+
+ return rc;
+}
+
+/* DSP firmware binary file header parser function. */
+static int fw_parse_header(struct tasdevice_priv *tas_priv,
+ struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+ struct tasdevice_dspfw_hdr *fw_hdr = &tas_fmw->fw_hdr;
+ struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &fw_hdr->fixed_hdr;
+ static const unsigned char magic_number[] = {0x35, 0x35, 0x35, 0x32, };
+ const unsigned char *buf = (unsigned char *)fmw->data;
+
+ if (offset + 92 > fmw->size) {
+ dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+ offset = -EINVAL;
+ goto out;
+ }
+ if (memcmp(&buf[offset], magic_number, 4)) {
+ dev_err(tas_priv->dev, "%s: Magic num NOT match\n", __func__);
+ offset = -EINVAL;
+ goto out;
+ }
+ offset += 4;
+
+ /*
+ * Convert data[offset], data[offset + 1], data[offset + 2] and
+ * data[offset + 3] into host
+ */
+ fw_fixed_hdr->fwsize = get_unaligned_be32(&buf[offset]);
+ offset += 4;
+ if (fw_fixed_hdr->fwsize != fmw->size) {
+ dev_err(tas_priv->dev, "File size not match, %lu %u",
+ (unsigned long)fmw->size, fw_fixed_hdr->fwsize);
+ offset = -EINVAL;
+ goto out;
+ }
+ offset += 4;
+ fw_fixed_hdr->ppcver = get_unaligned_be32(&buf[offset]);
+ offset += 8;
+ fw_fixed_hdr->drv_ver = get_unaligned_be32(&buf[offset]);
+ offset += 72;
+
+out:
+ return offset;
+}
+
+/* DSP firmware binary file parser function. */
+static int tasdevice_dspfw_ready(const struct firmware *fmw, void *context)
+{
+ struct tasdevice_priv *tas_priv = context;
+ struct tasdevice_fw_fixed_hdr *fw_fixed_hdr;
+ struct tasdevice_fw *tas_fmw;
+ int offset = 0, ret = 0;
+
+ if (!fmw || !fmw->data) {
+ dev_err(tas_priv->dev, "%s: Failed to read firmware %s\n",
+ __func__, tas_priv->coef_binaryname);
+ return -EINVAL;
+ }
+
+ tas_priv->fmw = kzalloc(sizeof(*tas_priv->fmw), GFP_KERNEL);
+ if (!tas_priv->fmw)
+ return -ENOMEM;
+ tas_fmw = tas_priv->fmw;
+ tas_fmw->dev = tas_priv->dev;
+ offset = fw_parse_header(tas_priv, tas_fmw, fmw, offset);
+
+ if (offset == -EINVAL)
+ return -EINVAL;
+
+ fw_fixed_hdr = &tas_fmw->fw_hdr.fixed_hdr;
+ /* Support different versions of firmware */
+ switch (fw_fixed_hdr->drv_ver) {
+ case 0x301:
+ case 0x302:
+ case 0x502:
+ case 0x503:
+ tas_priv->fw_parse_variable_header =
+ fw_parse_variable_header_kernel;
+ tas_priv->fw_parse_program_data =
+ fw_parse_program_data_kernel;
+ tas_priv->fw_parse_configuration_data =
+ fw_parse_configuration_data_kernel;
+ tas_priv->tasdevice_load_block =
+ tasdevice_load_block_kernel;
+ break;
+ case 0x202:
+ case 0x400:
+ tas_priv->fw_parse_variable_header =
+ fw_parse_variable_header_git;
+ tas_priv->fw_parse_program_data =
+ fw_parse_program_data;
+ tas_priv->fw_parse_configuration_data =
+ fw_parse_configuration_data;
+ tas_priv->tasdevice_load_block =
+ tasdevice_load_block;
+ break;
+ default:
+ ret = dspfw_default_callback(tas_priv,
+ fw_fixed_hdr->drv_ver, fw_fixed_hdr->ppcver);
+ if (ret)
+ return ret;
+ break;
+ }
+
+ offset = tas_priv->fw_parse_variable_header(tas_priv, fmw, offset);
+ if (offset < 0)
+ return offset;
+
+ offset = tas_priv->fw_parse_program_data(tas_priv, tas_fmw, fmw,
+ offset);
+ if (offset < 0)
+ return offset;
+
+ offset = tas_priv->fw_parse_configuration_data(tas_priv,
+ tas_fmw, fmw, offset);
+ if (offset < 0)
+ ret = offset;
+
+ return ret;
+}
+
+/* DSP firmware binary file parser function. */
+int tasdevice_spi_dsp_parser(void *context)
+{
+ struct tasdevice_priv *tas_priv = context;
+ const struct firmware *fw_entry;
+ int ret;
+
+ ret = request_firmware(&fw_entry, tas_priv->coef_binaryname,
+ tas_priv->dev);
+ if (ret) {
+ dev_err(tas_priv->dev, "%s: load %s error\n", __func__,
+ tas_priv->coef_binaryname);
+ return ret;
+ }
+
+ ret = tasdevice_dspfw_ready(fw_entry, tas_priv);
+ release_firmware(fw_entry);
+ fw_entry = NULL;
+
+ return ret;
+}
+
+/* DSP firmware program block data remove function. */
+static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog)
+{
+ struct tasdevice_data *tas_dt;
+ struct tasdev_blk *blk;
+ unsigned int i;
+
+ if (!prog)
+ return;
+
+ tas_dt = &prog->dev_data;
+
+ if (!tas_dt->dev_blks)
+ return;
+
+ for (i = 0; i < tas_dt->nr_blk; i++) {
+ blk = &tas_dt->dev_blks[i];
+ kfree(blk->data);
+ }
+ kfree(tas_dt->dev_blks);
+}
+
+/* DSP firmware program block data remove function. */
+static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog,
+ unsigned short nr)
+{
+ int i;
+
+ for (i = 0; i < nr; i++)
+ tasdev_dsp_prog_blk_remove(&prog[i]);
+ kfree(prog);
+}
+
+/* DSP firmware config block data remove function. */
+static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg)
+{
+ struct tasdevice_data *tas_dt;
+ struct tasdev_blk *blk;
+ unsigned int i;
+
+ if (cfg) {
+ tas_dt = &cfg->dev_data;
+
+ if (!tas_dt->dev_blks)
+ return;
+
+ for (i = 0; i < tas_dt->nr_blk; i++) {
+ blk = &tas_dt->dev_blks[i];
+ kfree(blk->data);
+ }
+ kfree(tas_dt->dev_blks);
+ }
+}
+
+/* DSP firmware config remove function. */
+static void tasdev_dsp_cfg_remove(struct tasdevice_config *config,
+ unsigned short nr)
+{
+ int i;
+
+ for (i = 0; i < nr; i++)
+ tasdev_dsp_cfg_blk_remove(&config[i]);
+ kfree(config);
+}
+
+/* DSP firmware remove function. */
+void tasdevice_spi_dsp_remove(void *context)
+{
+ struct tasdevice_priv *tas_dev = context;
+
+ if (!tas_dev->fmw)
+ return;
+
+ if (tas_dev->fmw->programs)
+ tasdev_dsp_prog_remove(tas_dev->fmw->programs,
+ tas_dev->fmw->nr_programs);
+ if (tas_dev->fmw->configs)
+ tasdev_dsp_cfg_remove(tas_dev->fmw->configs,
+ tas_dev->fmw->nr_configurations);
+ kfree(tas_dev->fmw);
+ tas_dev->fmw = NULL;
+}
+
+/* DSP firmware calibration data remove function. */
+static void tas2781_clear_calfirmware(struct tasdevice_fw *tas_fmw)
+{
+ struct tasdevice_calibration *calibration;
+ struct tasdev_blk *block;
+ unsigned int blks;
+ int i;
+
+ if (!tas_fmw->calibrations)
+ goto out;
+
+ for (i = 0; i < tas_fmw->nr_calibrations; i++) {
+ calibration = &tas_fmw->calibrations[i];
+ if (!calibration)
+ continue;
+
+ if (!calibration->dev_data.dev_blks)
+ continue;
+
+ for (blks = 0; blks < calibration->dev_data.nr_blk; blks++) {
+ block = &calibration->dev_data.dev_blks[blks];
+ if (!block)
+ continue;
+ kfree(block->data);
+ }
+ kfree(calibration->dev_data.dev_blks);
+ }
+ kfree(tas_fmw->calibrations);
+out:
+ kfree(tas_fmw);
+}
+
+/* Calibration data from firmware remove function. */
+void tasdevice_spi_calbin_remove(void *context)
+{
+ struct tasdevice_priv *tas_priv = context;
+
+ if (tas_priv->cali_data_fmw) {
+ tas2781_clear_calfirmware(tas_priv->cali_data_fmw);
+ tas_priv->cali_data_fmw = NULL;
+ }
+}
+
+/* Configuration remove function. */
+void tasdevice_spi_config_info_remove(void *context)
+{
+ struct tasdevice_priv *tas_priv = context;
+ struct tasdevice_rca *rca = &tas_priv->rcabin;
+ struct tasdevice_config_info **ci = rca->cfg_info;
+ unsigned int i, j;
+
+ if (!ci)
+ return;
+ for (i = 0; i < rca->ncfgs; i++) {
+ if (!ci[i])
+ continue;
+ if (ci[i]->blk_data) {
+ for (j = 0; j < ci[i]->real_nblocks; j++) {
+ if (!ci[i]->blk_data[j])
+ continue;
+ kfree(ci[i]->blk_data[j]->regdata);
+ kfree(ci[i]->blk_data[j]);
+ }
+ kfree(ci[i]->blk_data);
+ }
+ kfree(ci[i]);
+ }
+ kfree(ci);
+}
+
+/* DSP firmware program block data load function. */
+static int tasdevice_load_data(struct tasdevice_priv *tas_priv,
+ struct tasdevice_data *dev_data)
+{
+ struct tasdev_blk *block;
+ unsigned int i;
+ int ret = 0;
+
+ for (i = 0; i < dev_data->nr_blk; i++) {
+ block = &dev_data->dev_blks[i];
+ ret = tas_priv->tasdevice_load_block(tas_priv, block);
+ if (ret < 0)
+ break;
+ }
+
+ return ret;
+}
+
+/* DSP firmware program load interface function. */
+int tasdevice_spi_prmg_load(void *context, int prm_no)
+{
+ struct tasdevice_priv *tas_priv = context;
+ struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+ struct tasdevice_prog *program;
+ struct tasdevice_config *conf;
+ int ret = 0;
+
+ if (!tas_fmw) {
+ dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
+ return -EINVAL;
+ }
+ if (prm_no >= 0 && prm_no <= tas_fmw->nr_programs) {
+ tas_priv->cur_conf = 0;
+ tas_priv->is_loading = true;
+ program = &tas_fmw->programs[prm_no];
+ ret = tasdevice_load_data(tas_priv, &program->dev_data);
+ if (ret < 0) {
+ dev_err(tas_priv->dev, "Program failed %d.\n", ret);
+ return ret;
+ }
+ tas_priv->cur_prog = prm_no;
+
+ conf = &tas_fmw->configs[tas_priv->cur_conf];
+ ret = tasdevice_load_data(tas_priv, &conf->dev_data);
+ if (ret < 0)
+ dev_err(tas_priv->dev, "Config failed %d.\n", ret);
+ } else {
+ dev_err(tas_priv->dev,
+ "%s: prm(%d) is not in range of Programs %u\n",
+ __func__, prm_no, tas_fmw->nr_programs);
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+/* RCABIN configuration switch interface function. */
+void tasdevice_spi_tuning_switch(void *context, int state)
+{
+ struct tasdevice_priv *tas_priv = context;
+ int profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
+
+ if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
+ dev_err(tas_priv->dev, "DSP bin file not loaded\n");
+ return;
+ }
+
+ if (state == 0)
+ tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
+ TASDEVICE_BIN_BLK_PRE_POWER_UP);
+ else
+ tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
+ TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
+}
projects / users / hch / misc.git / commitdiff