ASoC: tas2781: firmware lib
authorShenghao Ding <13916275206@139.com>
Sun, 18 Jun 2023 12:28:17 +0000 (20:28 +0800)
committerMark Brown <broonie@kernel.org>
Mon, 19 Jun 2023 11:59:30 +0000 (12:59 +0100)
Create tas2781 firmware lib.

Signed-off-by: Shenghao Ding <13916275206@139.com>
Link: https://lore.kernel.org/r/20230618122819.23143-2-13916275206@139.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/tas2781-fmwlib.c [new file with mode: 0644]

diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c
new file mode 100644 (file)
index 0000000..432b19c
--- /dev/null
@@ -0,0 +1,2427 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// tasdevice-fmw.c -- TASDEVICE firmware support
+//
+// Copyright 2023 Texas Instruments, Inc.
+//
+// Author: Shenghao Ding <shenghao-ding@ti.com>
+
+#include <linux/crc8.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/tas2781.h>
+
+
+#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;
+};
+
+static const char deviceNumber[TASDEVICE_DSP_TAS_MAX_DEVICE] = {
+       1, 2, 1, 2, 1, 1, 0, 2, 4, 3, 1, 2, 3, 4
+};
+
+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(struct tasdevice_config_info), GFP_KERNEL);
+       if (!cfg_info) {
+               *status = -ENOMEM;
+               goto out;
+       }
+
+       if (tas_priv->rcabin.fw_hdr.binary_version_num >= 0x105) {
+               if (config_offset + 64 > (int)config_size) {
+                       *status = -EINVAL;
+                       dev_err(tas_priv->dev, "add conf: Out of boundary\n");
+                       goto out;
+               }
+               config_offset += 64;
+       }
+
+       if (config_offset + 4 > (int)config_size) {
+               *status = -EINVAL;
+               dev_err(tas_priv->dev, "add config: Out of boundary\n");
+               goto out;
+       }
+
+       /* convert data[offset], data[offset + 1], data[offset + 2] and
+        * data[offset + 3] into host
+        */
+       cfg_info->nblocks =
+               be32_to_cpup((__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(struct tasdev_blk_data *), GFP_KERNEL);
+       if (!bk_da) {
+               *status = -ENOMEM;
+               goto out;
+       }
+       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);
+                       break;
+               }
+               bk_da[i] = kzalloc(sizeof(struct tasdev_blk_data), GFP_KERNEL);
+               if (!bk_da[i]) {
+                       *status = -ENOMEM;
+                       break;
+               }
+
+               bk_da[i]->dev_idx = config_data[config_offset];
+               config_offset++;
+
+               bk_da[i]->block_type = config_data[config_offset];
+               config_offset++;
+
+               if (bk_da[i]->block_type == TASDEVICE_BIN_BLK_PRE_POWER_UP) {
+                       if (bk_da[i]->dev_idx == 0)
+                               cfg_info->active_dev =
+                                       (1 << tas_priv->ndev) - 1;
+                       else
+                               cfg_info->active_dev |= 1 <<
+                                       (bk_da[i]->dev_idx - 1);
+
+               }
+               bk_da[i]->yram_checksum =
+                       be16_to_cpup((__be16 *)&config_data[config_offset]);
+               config_offset += 2;
+               bk_da[i]->block_size =
+                       be32_to_cpup((__be32 *)&config_data[config_offset]);
+               config_offset += 4;
+
+               bk_da[i]->n_subblks =
+                       be32_to_cpup((__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);
+                       break;
+               }
+               /* 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;
+                       goto out;
+               }
+
+               config_offset += bk_da[i]->block_size;
+               cfg_info->real_nblocks += 1;
+       }
+
+out:
+       return cfg_info;
+}
+
+int tasdevice_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;
+       unsigned char *buf;
+       int offset = 0;
+       int ret = 0;
+       int i;
+
+       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;
+               ret = -EINVAL;
+               goto out;
+       }
+       buf = (unsigned char *)fmw->data;
+
+       fw_hdr->img_sz = be32_to_cpup((__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;
+               ret = -EINVAL;
+               goto out;
+       }
+
+       fw_hdr->checksum = be32_to_cpup((__be32 *)&buf[offset]);
+       offset += 4;
+       fw_hdr->binary_version_num = be32_to_cpup((__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;
+               ret = -EINVAL;
+               goto out;
+       }
+       offset += 4;
+       fw_hdr->drv_fw_version = be32_to_cpup((__be32 *)&buf[offset]);
+       offset += 8;
+       fw_hdr->plat_type = buf[offset];
+       offset += 1;
+       fw_hdr->dev_family = buf[offset];
+       offset += 1;
+       fw_hdr->reserve = buf[offset];
+       offset += 1;
+       fw_hdr->ndev = buf[offset];
+       offset += 1;
+       if (fw_hdr->ndev != tas_priv->ndev) {
+               dev_err(tas_priv->dev,
+                       "ndev(%u) in rcabin mismatch ndev(%u) in DTS\n",
+                       fw_hdr->ndev, tas_priv->ndev);
+               tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+               ret = -EINVAL;
+               goto out;
+       }
+       if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) {
+               dev_err(tas_priv->dev, "rca_ready: Out of boundary!\n");
+               ret = -EINVAL;
+               tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+               goto out;
+       }
+
+       for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++)
+               fw_hdr->devs[i] = buf[offset];
+
+       fw_hdr->nconfig = be32_to_cpup((__be32 *)&buf[offset]);
+       offset += 4;
+
+       for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) {
+               fw_hdr->config_size[i] = be32_to_cpup((__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 error!\n");
+               ret = -EINVAL;
+               tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+               goto out;
+       }
+
+       cfg_info = kcalloc(fw_hdr->nconfig, sizeof(*cfg_info), GFP_KERNEL);
+       if (!cfg_info) {
+               ret = -ENOMEM;
+               tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
+               goto out;
+       }
+       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;
+                       goto out;
+               }
+               offset += (int)fw_hdr->config_size[i];
+       }
+out:
+       return ret;
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_rca_parser, SND_SOC_TAS2781_FMWLIB);
+
+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__);
+               offset = -EINVAL;
+               goto out;
+       }
+
+       /* convert data[offset], data[offset + 1], data[offset + 2] and
+        * data[offset + 3] into host
+        */
+       block->type = be32_to_cpup((__be32 *)&data[offset]);
+       offset += 4;
+
+       block->is_pchksum_present = data[offset];
+       offset++;
+
+       block->pchksum = data[offset];
+       offset++;
+
+       block->is_ychksum_present = data[offset];
+       offset++;
+
+       block->ychksum = data[offset];
+       offset++;
+
+       block->blk_size = be32_to_cpup((__be32 *)&data[offset]);
+       offset += 4;
+
+       block->nr_subblocks = be32_to_cpup((__be32 *)&data[offset]);
+       offset += 4;
+
+       if (offset + block->blk_size > fmw->size) {
+               dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       /* instead of kzalloc+memcpy */
+       block->data = kmemdup(&data[offset], block->blk_size, GFP_KERNEL);
+       if (!block->data) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       offset += block->blk_size;
+
+out:
+       return offset;
+}
+
+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__);
+               offset = -EINVAL;
+               goto out;
+       }
+       img_data->nr_blk = be32_to_cpup((__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) {
+               offset = -ENOMEM;
+               goto out;
+       }
+
+       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) {
+                       offset = -EINVAL;
+                       break;
+               }
+       }
+
+out:
+       return offset;
+}
+
+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__);
+                       offset = -EINVAL;
+                       goto out;
+               }
+               /*skip 72 unused byts*/
+               offset += 72;
+
+               offset = fw_parse_data_kernel(tas_fmw, &(program->dev_data),
+                       fmw, offset);
+               if (offset < 0)
+                       goto out;
+       }
+
+out:
+       return offset;
+}
+
+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__);
+                       offset = -EINVAL;
+                       goto out;
+               }
+               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)
+                       goto out;
+       }
+
+out:
+       return offset;
+}
+
+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_prog *program;
+       struct tasdevice_config *config;
+       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__);
+               offset = -EINVAL;
+               goto out;
+       }
+       fw_hdr->device_family = be16_to_cpup((__be16 *)&buf[offset]);
+       if (fw_hdr->device_family != 0) {
+               dev_err(tas_priv->dev, "%s:not TAS device\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       offset += 2;
+       fw_hdr->device = be16_to_cpup((__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);
+               offset = -EINVAL;
+               goto out;
+       }
+       offset += 2;
+       fw_hdr->ndev = deviceNumber[fw_hdr->device];
+
+       if (fw_hdr->ndev != tas_priv->ndev) {
+               dev_err(tas_priv->dev,
+                       "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n",
+                       __func__, fw_hdr->ndev, tas_priv->ndev);
+               offset = -EINVAL;
+               goto out;
+       }
+
+       tas_fmw->nr_programs = be32_to_cpup((__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");
+               offset = -EINVAL;
+               goto out;
+       }
+
+       tas_fmw->programs = kcalloc(tas_fmw->nr_programs,
+               sizeof(struct tasdevice_prog), GFP_KERNEL);
+       if (!tas_fmw->programs) {
+               offset = -ENOMEM;
+               goto out;
+       }
+
+       for (i = 0; i < tas_fmw->nr_programs; i++) {
+               program = &(tas_fmw->programs[i]);
+               program->prog_size = be32_to_cpup((__be32 *)&buf[offset]);
+               offset += 4;
+       }
+
+       /* Skip the unused prog_size */
+       offset += 4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - tas_fmw->nr_programs);
+
+       tas_fmw->nr_configurations = be32_to_cpup((__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 = (fw_hdr->ndev >= 4) ?
+               TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS :
+               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__);
+               offset = -EINVAL;
+               goto out;
+       }
+
+       if (offset + 4 * max_confs > fmw->size) {
+               dev_err(tas_priv->dev, "%s: mpConfigurations err\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+
+       tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+               sizeof(struct tasdevice_config), GFP_KERNEL);
+       if (!tas_fmw->configs) {
+               offset = -ENOMEM;
+               goto out;
+       }
+
+       for (i = 0; i < tas_fmw->nr_programs; i++) {
+               config = &(tas_fmw->configs[i]);
+               config->cfg_size = be32_to_cpup((__be32 *)&buf[offset]);
+               offset += 4;
+       }
+
+       /* Skip the unused configs */
+       offset += 4 * (max_confs - tas_fmw->nr_programs);
+
+out:
+       return offset;
+}
+
+static int tasdevice_process_block(void *context, unsigned char *data,
+       unsigned char dev_idx, int sublocksize)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
+       int subblk_offset, chn, chnend, rc;
+       unsigned char subblk_typ = data[1];
+       int blktyp = dev_idx & 0xC0;
+       int idx = dev_idx & 0x3F;
+       bool is_err = false;
+
+       if (idx) {
+               chn = idx - 1;
+               chnend = idx;
+       } else {
+               chn = 0;
+               chnend = tas_priv->ndev;
+       }
+
+       for (; chn < chnend; chn++) {
+               if (tas_priv->tasdevice[chn].is_loading == false)
+                       continue;
+
+               is_err = false;
+               subblk_offset = 2;
+               switch (subblk_typ) {
+               case TASDEVICE_CMD_SING_W: {
+                       int i;
+                       unsigned short len = be16_to_cpup((__be16 *)&data[2]);
+
+                       subblk_offset += 2;
+                       if (subblk_offset + 4 * len > sublocksize) {
+                               dev_err(tas_priv->dev,
+                                       "process_block: Out of boundary\n");
+                               is_err = true;
+                               break;
+                       }
+
+                       for (i = 0; i < len; i++) {
+                               rc = tasdevice_dev_write(tas_priv, chn,
+                                       TASDEVICE_REG(data[subblk_offset],
+                                               data[subblk_offset + 1],
+                                               data[subblk_offset + 2]),
+                                       data[subblk_offset + 3]);
+                               if (rc < 0) {
+                                       is_err = true;
+                                       dev_err(tas_priv->dev,
+                                       "process_block: single write error\n");
+                               }
+                               subblk_offset += 4;
+                       }
+               }
+                       break;
+               case TASDEVICE_CMD_BURST: {
+                       unsigned short len = be16_to_cpup((__be16 *)&data[2]);
+
+                       subblk_offset += 2;
+                       if (subblk_offset + 4 + len > sublocksize) {
+                               dev_err(tas_priv->dev,
+                                       "%s: BST Out of boundary\n",
+                                       __func__);
+                               is_err = true;
+                               break;
+                       }
+                       if (len % 4) {
+                               dev_err(tas_priv->dev,
+                                       "%s:Bst-len(%u)not div by 4\n",
+                                       __func__, len);
+                               break;
+                       }
+
+                       rc = tasdevice_dev_bulk_write(tas_priv, chn,
+                               TASDEVICE_REG(data[subblk_offset],
+                               data[subblk_offset + 1],
+                               data[subblk_offset + 2]),
+                               &(data[subblk_offset + 4]), len);
+                       if (rc < 0) {
+                               is_err = true;
+                               dev_err(tas_priv->dev,
+                                       "%s: bulk_write error = %d\n",
+                                       __func__, rc);
+                       }
+                       subblk_offset += (len + 4);
+               }
+                       break;
+               case TASDEVICE_CMD_DELAY: {
+                       unsigned int sleep_time = 0;
+
+                       if (subblk_offset + 2 > sublocksize) {
+                               dev_err(tas_priv->dev,
+                                       "%s: delay Out of boundary\n",
+                                       __func__);
+                               is_err = true;
+                               break;
+                       }
+                       sleep_time = be16_to_cpup((__be16 *)&data[2]) * 1000;
+                       usleep_range(sleep_time, sleep_time + 50);
+                       subblk_offset += 2;
+               }
+                       break;
+               case TASDEVICE_CMD_FIELD_W:
+                       if (subblk_offset + 6 > sublocksize) {
+                               dev_err(tas_priv->dev,
+                                       "%s: bit write Out of boundary\n",
+                                       __func__);
+                               is_err = true;
+                               break;
+                       }
+                       rc = tasdevice_dev_update_bits(tas_priv, chn,
+                               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) {
+                               is_err = true;
+                               dev_err(tas_priv->dev,
+                                       "%s: update_bits error = %d\n",
+                                       __func__, rc);
+                       }
+                       subblk_offset += 6;
+                       break;
+               default:
+                       break;
+               }
+               if (is_err == true && blktyp != 0) {
+                       if (blktyp == 0x80) {
+                               tas_priv->tasdevice[chn].cur_prog = -1;
+                               tas_priv->tasdevice[chn].cur_conf = -1;
+                       } else
+                               tas_priv->tasdevice[chn].cur_conf = -1;
+               }
+       }
+
+       return subblk_offset;
+}
+
+void tasdevice_select_cfg_blk(void *pContext, int conf_no,
+       unsigned char block_type)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) pContext;
+       struct tasdevice_rca *rca = &(tas_priv->rcabin);
+       struct tasdevice_config_info **cfg_info = rca->cfg_info;
+       struct tasdev_blk_data **blk_data;
+       int j, k, chn, chnend;
+
+       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 < (int)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 < (int)blk_data[j]->n_subblks; k++) {
+                       if (blk_data[j]->dev_idx) {
+                               chn = blk_data[j]->dev_idx - 1;
+                               chnend = blk_data[j]->dev_idx;
+                       } else {
+                               chn = 0;
+                               chnend = tas_priv->ndev;
+                       }
+                       for (; chn < chnend; chn++)
+                               tas_priv->tasdevice[chn].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);
+       }
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_select_cfg_blk, SND_SOC_TAS2781_FMWLIB);
+
+static int tasdevice_load_block_kernel(
+       struct tasdevice_priv *tasdevice, struct tasdev_blk *block)
+{
+       struct tasdevice_dspfw_hdr *fw_hdr = &(tasdevice->fmw->fw_hdr);
+       struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr);
+       const unsigned int blk_size = block->blk_size;
+       unsigned int i, length;
+       unsigned char *data = block->data;
+       unsigned char dev_idx = 0;
+
+       if (fw_fixed_hdr->ppcver >= PPC3_VERSION_TAS2781) {
+               switch (block->type) {
+               case MAIN_ALL_DEVICES_1X:
+                       dev_idx = 0x80;
+                       break;
+               case MAIN_DEVICE_A_1X:
+                       dev_idx = 0x81;
+                       break;
+               case COEFF_DEVICE_A_1X:
+               case PRE_DEVICE_A_1X:
+               case PRE_SOFTWARE_RESET_DEVICE_A:
+               case POST_SOFTWARE_RESET_DEVICE_A:
+                       dev_idx = 0xC1;
+                       break;
+               case MAIN_DEVICE_B_1X:
+                       dev_idx = 0x82;
+                       break;
+               case COEFF_DEVICE_B_1X:
+               case PRE_DEVICE_B_1X:
+               case PRE_SOFTWARE_RESET_DEVICE_B:
+               case POST_SOFTWARE_RESET_DEVICE_B:
+                       dev_idx = 0xC2;
+                       break;
+               case MAIN_DEVICE_C_1X:
+                       dev_idx = 0x83;
+                       break;
+               case COEFF_DEVICE_C_1X:
+               case PRE_DEVICE_C_1X:
+               case PRE_SOFTWARE_RESET_DEVICE_C:
+               case POST_SOFTWARE_RESET_DEVICE_C:
+                       dev_idx = 0xC3;
+                       break;
+               case MAIN_DEVICE_D_1X:
+                       dev_idx = 0x84;
+                       break;
+               case COEFF_DEVICE_D_1X:
+               case PRE_DEVICE_D_1X:
+               case PRE_SOFTWARE_RESET_DEVICE_D:
+               case POST_SOFTWARE_RESET_DEVICE_D:
+                       dev_idx = 0xC4;
+                       break;
+               default:
+                       dev_info(tasdevice->dev,
+                               "%s: load block: Other Type = 0x%02x\n",
+                               __func__, block->type);
+                       break;
+               }
+       } else if (fw_fixed_hdr->ppcver >=
+       PPC3_VERSION) {
+               switch (block->type) {
+               case MAIN_ALL_DEVICES_1X:
+                       dev_idx = 0x80;
+                       break;
+               case MAIN_DEVICE_A_1X:
+                       dev_idx = 0x81;
+                       break;
+               case COEFF_DEVICE_A_1X:
+               case PRE_DEVICE_A_1X:
+                       dev_idx = 0xC1;
+                       break;
+               case MAIN_DEVICE_B_1X:
+                       dev_idx = 0x82;
+                       break;
+               case COEFF_DEVICE_B_1X:
+               case PRE_DEVICE_B_1X:
+                       dev_idx = 0xC2;
+                       break;
+               case MAIN_DEVICE_C_1X:
+                       dev_idx = 0x83;
+                       break;
+               case COEFF_DEVICE_C_1X:
+               case PRE_DEVICE_C_1X:
+                       dev_idx = 0xC3;
+                       break;
+               case MAIN_DEVICE_D_1X:
+                       dev_idx = 0x84;
+                       break;
+               case COEFF_DEVICE_D_1X:
+               case PRE_DEVICE_D_1X:
+                       dev_idx = 0xC4;
+                       break;
+               default:
+                       dev_info(tasdevice->dev,
+                               "%s: load block: Other Type = 0x%02x\n",
+                               __func__, block->type);
+                       break;
+               }
+       } else {
+               switch (block->type) {
+               case MAIN_ALL_DEVICES:
+                       dev_idx = 0|0x80;
+                       break;
+               case MAIN_DEVICE_A:
+                       dev_idx = 0x81;
+                       break;
+               case COEFF_DEVICE_A:
+               case PRE_DEVICE_A:
+                       dev_idx = 0xC1;
+                       break;
+               case MAIN_DEVICE_B:
+                       dev_idx = 0x82;
+                       break;
+               case COEFF_DEVICE_B:
+               case PRE_DEVICE_B:
+                       dev_idx = 0xC2;
+                       break;
+               case MAIN_DEVICE_C:
+                       dev_idx = 0x83;
+                       break;
+               case COEFF_DEVICE_C:
+               case PRE_DEVICE_C:
+                       dev_idx = 0xC3;
+                       break;
+               case MAIN_DEVICE_D:
+                       dev_idx = 0x84;
+                       break;
+               case COEFF_DEVICE_D:
+               case PRE_DEVICE_D:
+                       dev_idx = 0xC4;
+                       break;
+               default:
+                       dev_info(tasdevice->dev,
+                               "%s: load block: Other Type = 0x%02x\n",
+                               __func__, block->type);
+                       break;
+               }
+       }
+
+       for (i = 0, length = 0; i < block->nr_subblocks; i++) {
+               int rc = tasdevice_process_block(tasdevice, data + length,
+                       dev_idx, blk_size - length);
+               if (rc < 0) {
+                       dev_err(tasdevice->dev,
+                               "%s: %u %u sublock write error\n",
+                               __func__, length, blk_size);
+                       break;
+               }
+               length += (unsigned int)rc;
+               if (blk_size < length) {
+                       dev_err(tasdevice->dev, "%s: %u %u out of boundary\n",
+                               __func__, length, blk_size);
+                       break;
+               }
+       }
+
+       return 0;
+}
+
+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__);
+               offset = -EINVAL;
+               goto out;
+       }
+
+       offset += len;
+
+       fw_hdr->device_family = be32_to_cpup((__be32 *)&buf[offset]);
+       if (fw_hdr->device_family != 0) {
+               dev_err(tas_priv->dev, "%s: not TAS device\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       offset += 4;
+
+       fw_hdr->device = be32_to_cpup((__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);
+               offset = -EINVAL;
+               goto out;
+       }
+       offset += 4;
+       fw_hdr->ndev = deviceNumber[fw_hdr->device];
+
+out:
+       return offset;
+}
+
+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);
+       if (offset < 0)
+               goto out;
+       if (fw_hdr->ndev != tas_priv->ndev) {
+               dev_err(tas_priv->dev,
+                       "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n",
+                       __func__, fw_hdr->ndev, tas_priv->ndev);
+               offset = -EINVAL;
+       }
+
+out:
+       return offset;
+}
+
+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__);
+               offset = -EINVAL;
+               goto out;
+       }
+       block->type = be32_to_cpup((__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");
+                       offset = -EINVAL;
+                       goto out;
+               }
+               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 = be32_to_cpup((__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);
+               offset = -EINVAL;
+               goto out;
+       }
+       /* instead of kzalloc+memcpy */
+       block->data = kmemdup(&data[offset], n, GFP_KERNEL);
+       if (!block->data) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       offset += n;
+
+out:
+       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;
+       int n;
+
+       if (offset + 64 > fmw->size) {
+               dev_err(tas_fmw->dev, "%s: Name error\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       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__);
+               offset = -EINVAL;
+               goto out;
+       }
+       offset += n;
+       img_data->nr_blk = be16_to_cpup((__be16 *)&data[offset]);
+       offset += 2;
+
+       img_data->dev_blks = kcalloc(img_data->nr_blk,
+               sizeof(struct tasdev_blk), GFP_KERNEL);
+       if (!img_data->dev_blks) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       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) {
+                       offset = -EINVAL;
+                       goto out;
+               }
+       }
+
+out:
+       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__);
+               offset = -EINVAL;
+               goto out;
+       }
+       tas_fmw->nr_programs = be16_to_cpup((__be16 *)&buf[offset]);
+       offset += 2;
+
+       if (tas_fmw->nr_programs == 0) {
+               /*Not error in calibration Data file, return directly*/
+               dev_info(tas_priv->dev, "%s: No Programs data, maybe calbin\n",
+                       __func__);
+               goto out;
+       }
+
+       tas_fmw->programs =
+               kcalloc(tas_fmw->nr_programs, sizeof(struct tasdevice_prog),
+                       GFP_KERNEL);
+       if (!tas_fmw->programs) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       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__);
+                       offset = -EINVAL;
+                       goto out;
+               }
+               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");
+                       offset = -EINVAL;
+                       goto out;
+               }
+
+               offset += n;
+
+               offset = fw_parse_data(tas_fmw, &(program->dev_data), fmw,
+                       offset);
+               if (offset < 0)
+                       goto out;
+       }
+
+out:
+       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;
+       int n;
+
+       if (offset + 2 > fmw->size) {
+               dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       tas_fmw->nr_configurations = be16_to_cpup((__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*/
+               goto out;
+       }
+       tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
+                       sizeof(struct tasdevice_config), GFP_KERNEL);
+       if (!tas_fmw->configs) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       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");
+                       offset = -EINVAL;
+                       goto out;
+               }
+               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");
+                       offset = -EINVAL;
+                       goto out;
+               }
+
+               offset += n;
+
+               offset = fw_parse_data(tas_fmw, &(config->dev_data),
+                       fmw, offset);
+               if (offset < 0)
+                       goto out;
+       }
+
+out:
+       return offset;
+}
+
+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;
+}
+
+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);
+               goto end;
+       }
+       if (book == TAS2781_YRAM_BOOK2 && page == TAS2781_YRAM5_PAGE)
+               in = check_inpage_yram_rg(cd, reg, len);
+
+end:
+       return in;
+}
+
+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;
+}
+
+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)
+               goto end;
+       in = check_inblock_yram(cd, book, page, reg, len);
+
+end:
+       return in;
+}
+
+static int tasdev_multibytes_chksum(struct tasdevice_priv *tasdevice,
+       unsigned short chn, 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;
+       int 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_PAGE_REG(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_dev_bulk_read(tasdevice, chn,
+               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_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG))
+                       && ((i + crc_data.offset)
+                       <= (TASDEVICE_PAGE_REG(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;
+}
+
+static int do_singlereg_checksum(struct tasdevice_priv *tasdevice,
+       unsigned short chl, 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;
+
+       if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG))
+               && (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG))
+               && (reg >= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG))
+               && (reg <= (TASDEVICE_PAGE_REG(
+               TAS2781_SA_COEFF_SWAP_REG) + 4))) {
+               /*DSP swap command, pass */
+               ret = 0;
+               goto end;
+       }
+
+       in = check_yram(&crc_data, book, page, reg, 1);
+       if (!in)
+               goto end;
+       ret = tasdevice_dev_read(tasdevice, chl,
+               TASDEVICE_REG(book, page, reg), &nData1);
+       if (ret < 0)
+               goto end;
+
+       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->tasdevice[chl].err_code |= ERROR_YRAM_CRCCHK;
+               ret = -EAGAIN;
+               goto end;
+       }
+
+       ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0);
+
+end:
+       return ret;
+}
+
+static void set_err_prg_cfg(unsigned int type, struct tasdevice *dev)
+{
+       if ((type == MAIN_ALL_DEVICES) || (type == MAIN_DEVICE_A)
+               || (type == MAIN_DEVICE_B) || (type == MAIN_DEVICE_C)
+               || (type == MAIN_DEVICE_D))
+               dev->cur_prog = -1;
+       else
+               dev->cur_conf = -1;
+}
+
+static int tasdev_bytes_chksum(struct tasdevice_priv *tas_priv,
+       struct tasdev_blk *block, int chn, 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, chn, book, page, reg,
+                       len);
+       else
+               ret = do_singlereg_checksum(tas_priv, chn, book, page, reg,
+                       val);
+
+       if (ret > 0) {
+               *crc_chksum += (unsigned char)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->tasdevice[chn]);
+
+end:
+       return ret;
+}
+
+static int tasdev_multibytes_wr(struct tasdevice_priv *tas_priv,
+       struct tasdev_blk *block, int chn, 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_dev_bulk_write(tas_priv, chn,
+                       TASDEVICE_REG(book, page, reg), data + 3, len);
+               if (ret < 0)
+                       goto end;
+               if (block->is_ychksum_present)
+                       ret = tasdev_bytes_chksum(tas_priv, block, chn,
+                               book, page, reg, len, 0, crc_chksum);
+       } else {
+               ret = tasdevice_dev_write(tas_priv, chn,
+                       TASDEVICE_REG(book, page, reg), data[3]);
+               if (ret < 0)
+                       goto end;
+               if (block->is_ychksum_present)
+                       ret = tasdev_bytes_chksum(tas_priv, block, chn, 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;
+       }
+
+end:
+       return ret;
+}
+
+static int tasdev_block_chksum(struct tasdevice_priv *tas_priv,
+       struct tasdev_blk *block, int chn)
+{
+       unsigned int nr_value;
+       int ret;
+
+       ret = tasdevice_dev_read(tas_priv, chn, TASDEVICE_I2CChecksum,
+               &nr_value);
+       if (ret < 0) {
+               dev_err(tas_priv->dev, "%s: Chn %d\n", __func__, chn);
+               set_err_prg_cfg(block->type, &tas_priv->tasdevice[chn]);
+               goto end;
+       }
+
+       if ((nr_value & 0xff) != block->pchksum) {
+               dev_err(tas_priv->dev, "%s: Blk PChkSum Chn %d ", __func__,
+                       chn);
+               dev_err(tas_priv->dev, "PChkSum = 0x%x, Reg = 0x%x\n",
+                       block->pchksum, (nr_value & 0xff));
+               tas_priv->tasdevice[chn].err_code |= ERROR_PRAM_CRCCHK;
+               ret = -EAGAIN;
+               block->nr_retry--;
+
+               if (block->nr_retry <= 0)
+                       set_err_prg_cfg(block->type,
+                               &tas_priv->tasdevice[chn]);
+       } else
+               tas_priv->tasdevice[chn].err_code &= ~ERROR_PRAM_CRCCHK;
+
+end:
+       return ret;
+}
+
+static int tasdev_load_blk(struct tasdevice_priv *tas_priv,
+       struct tasdev_blk *block, int chn)
+{
+       unsigned int sleep_time;
+       unsigned int len;
+       unsigned int nr_cmds;
+       unsigned char *data = block->data;
+       unsigned char crc_chksum = 0;
+       unsigned char offset;
+       unsigned char book;
+       unsigned char page;
+       unsigned char val;
+       int ret = 0;
+
+       while (block->nr_retry > 0) {
+               if (block->is_pchksum_present) {
+                       ret = tasdevice_dev_write(tas_priv, chn,
+                               TASDEVICE_I2CChecksum, 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_dev_write(tas_priv, chn,
+                                       TASDEVICE_REG(book, page, offset),
+                                       val);
+                               if (ret < 0)
+                                       goto end;
+                               if (block->is_ychksum_present) {
+                                       ret = tasdev_bytes_chksum(tas_priv,
+                                               block, chn, 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;
+                               usleep_range(sleep_time, sleep_time + 50);
+                               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, chn, 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, chn);
+                       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->tasdevice[chn].err_code &=
+                               ~ERROR_YRAM_CRCCHK;
+                       ret = 0;
+               }
+               /*skip current blk*/
+               break;
+       }
+
+end:
+       return ret;
+}
+
+static int tasdevice_load_block(struct tasdevice_priv *tas_priv,
+       struct tasdev_blk *block)
+{
+       int chnend = 0;
+       int ret = 0;
+       int chn = 0;
+       int rc = 0;
+
+       switch (block->type) {
+       case MAIN_ALL_DEVICES:
+               chn = 0;
+               chnend = tas_priv->ndev;
+               break;
+       case MAIN_DEVICE_A:
+       case COEFF_DEVICE_A:
+       case PRE_DEVICE_A:
+               chn = 0;
+               chnend = 1;
+               break;
+       case MAIN_DEVICE_B:
+       case COEFF_DEVICE_B:
+       case PRE_DEVICE_B:
+               chn = 1;
+               chnend = 2;
+               break;
+       case MAIN_DEVICE_C:
+       case COEFF_DEVICE_C:
+       case PRE_DEVICE_C:
+               chn = 2;
+               chnend = 3;
+               break;
+       case MAIN_DEVICE_D:
+       case COEFF_DEVICE_D:
+       case PRE_DEVICE_D:
+               chn = 3;
+               chnend = 4;
+               break;
+       default:
+               dev_dbg(tas_priv->dev, "load blk: Other Type = 0x%02x\n",
+                       block->type);
+               break;
+       }
+
+       for (; chn < chnend; chn++) {
+               block->nr_retry = 6;
+               if (tas_priv->tasdevice[chn].is_loading == false)
+                       continue;
+               ret = tasdev_load_blk(tas_priv, block, chn);
+               if (ret < 0)
+                       dev_err(tas_priv->dev, "dev %d, Blk (%d) load error\n",
+                               chn, block->type);
+               rc |= ret;
+       }
+
+       return rc;
+}
+
+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 {
+                       switch (ppcver) {
+                       case 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;
+                               break;
+                       default:
+                               dev_err(tas_priv->dev,
+                                       "%s: PPCVer must be 0x0 or 0x%02x",
+                                       __func__, PPC3_VERSION);
+                               dev_err(tas_priv->dev, " Current:0x%02x\n",
+                                       ppcver);
+                               rc = -EINVAL;
+                               break;
+                       }
+               }
+       } else {
+               dev_err(tas_priv->dev,
+                       "DrvVer must be 0x0, 0x230 or above 0x230 ");
+               dev_err(tas_priv->dev, "current is 0x%02x\n", drv_ver);
+               rc = -EINVAL;
+       }
+
+       return rc;
+}
+
+static int load_calib_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 = tasdevice_load_block(tas_priv, block);
+               if (ret < 0)
+                       break;
+       }
+
+       return ret;
+}
+
+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);
+       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 = be32_to_cpup((__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 = be32_to_cpup((__be32 *)&buf[offset]);
+       offset += 8;
+       fw_fixed_hdr->drv_ver = be32_to_cpup((__be32 *)&buf[offset]);
+       offset += 72;
+
+ out:
+       return offset;
+}
+
+static int fw_parse_variable_hdr_cal(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);
+
+       offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
+       if (offset < 0)
+               goto out;
+       if (fw_hdr->ndev != 1) {
+               dev_err(tas_priv->dev,
+                       "%s: calbin must be 1, but currently ndev(%u)\n",
+                       __func__, fw_hdr->ndev);
+               offset = -EINVAL;
+       }
+
+out:
+       return offset;
+}
+
+/* When calibrated data parsing error occurs, DSP can still work with default
+ * calibrated data, memory resource related to calibrated data will be
+ * released in the tasdevice_codec_remove.
+ */
+static int fw_parse_calibration_data(struct tasdevice_priv *tas_priv,
+       struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
+{
+       struct tasdevice_calibration *calibration;
+       unsigned char *data = (unsigned char *)fmw->data;
+       unsigned int i, n;
+
+       if (offset + 2 > fmw->size) {
+               dev_err(tas_priv->dev, "%s: Calibrations error\n", __func__);
+               offset = -EINVAL;
+               goto out;
+       }
+       tas_fmw->nr_calibrations = be16_to_cpup((__be16 *)&data[offset]);
+       offset += 2;
+
+       if (tas_fmw->nr_calibrations != 1) {
+               dev_err(tas_priv->dev,
+                       "%s: only support one calibraiton(%d)!\n",
+                       __func__, tas_fmw->nr_calibrations);
+               goto out;
+       }
+
+       tas_fmw->calibrations = kcalloc(tas_fmw->nr_calibrations,
+               sizeof(struct tasdevice_calibration), GFP_KERNEL);
+       if (!tas_fmw->calibrations) {
+               offset = -ENOMEM;
+               goto out;
+       }
+       for (i = 0; i < tas_fmw->nr_calibrations; i++) {
+               if (offset + 64 > fmw->size) {
+                       dev_err(tas_priv->dev, "Calibrations error\n");
+                       offset = -EINVAL;
+                       goto out;
+               }
+               calibration = &(tas_fmw->calibrations[i]);
+               offset += 64;
+
+               n = strlen((char *)&data[offset]);
+               /* skip '\0' and 2 unused bytes */
+               n += 3;
+               if (offset + n > fmw->size) {
+                       dev_err(tas_priv->dev, "Description err\n");
+                       offset = -EINVAL;
+                       goto out;
+               }
+               offset += n;
+
+               offset = fw_parse_data(tas_fmw, &(calibration->dev_data), fmw,
+                       offset);
+               if (offset < 0)
+                       goto out;
+       }
+
+out:
+       return offset;
+}
+
+int tas2781_load_calibration(void *context, char *file_name,
+       unsigned short i)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
+       struct tasdevice *tasdev = &(tas_priv->tasdevice[i]);
+       const struct firmware *fw_entry;
+       struct tasdevice_fw *tas_fmw;
+       struct firmware fmw;
+       int offset = 0;
+       int ret;
+
+       ret = request_firmware(&fw_entry, file_name, tas_priv->dev);
+       if (ret) {
+               dev_err(tas_priv->dev, "%s: Request firmware %s failed\n",
+                       __func__, file_name);
+               goto out;
+       }
+
+       if (!fw_entry->size) {
+               dev_err(tas_priv->dev, "%s: file read error: size = %lu\n",
+                       __func__, (unsigned long)fw_entry->size);
+               goto out;
+       }
+       fmw.size = fw_entry->size;
+       fmw.data = fw_entry->data;
+
+       tas_fmw = tasdev->cali_data_fmw = kzalloc(sizeof(struct tasdevice_fw),
+               GFP_KERNEL);
+       if (!tasdev->cali_data_fmw) {
+               ret = -ENOMEM;
+               goto out;
+       }
+       tas_fmw->dev = tas_priv->dev;
+       offset = fw_parse_header(tas_priv, tas_fmw, &fmw, offset);
+       if (offset == -EINVAL) {
+               dev_err(tas_priv->dev, "fw_parse_header EXIT!\n");
+               ret = offset;
+               goto out;
+       }
+       offset = fw_parse_variable_hdr_cal(tas_priv, tas_fmw, &fmw, offset);
+       if (offset == -EINVAL) {
+               dev_err(tas_priv->dev,
+                       "%s: fw_parse_variable_header_cal EXIT!\n", __func__);
+               ret = offset;
+               goto out;
+       }
+       offset = fw_parse_program_data(tas_priv, tas_fmw, &fmw, offset);
+       if (offset < 0) {
+               dev_err(tas_priv->dev, "fw_parse_program_data EXIT!\n");
+               ret = offset;
+               goto out;
+       }
+       offset = fw_parse_configuration_data(tas_priv, tas_fmw, &fmw, offset);
+       if (offset < 0) {
+               dev_err(tas_priv->dev, "fw_parse_configuration_data EXIT!\n");
+               ret = offset;
+               goto out;
+       }
+       offset = fw_parse_calibration_data(tas_priv, tas_fmw, &fmw, offset);
+       if (offset < 0) {
+               dev_err(tas_priv->dev, "fw_parse_calibration_data EXIT!\n");
+               ret = offset;
+               goto out;
+       }
+
+out:
+       if (fw_entry)
+               release_firmware(fw_entry);
+
+       return ret;
+}
+EXPORT_SYMBOL_NS_GPL(tas2781_load_calibration, SND_SOC_TAS2781_FMWLIB);
+
+static int tasdevice_dspfw_ready(const struct firmware *fmw,
+       void *context)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_fw_fixed_hdr *fw_fixed_hdr;
+       struct tasdevice_fw *tas_fmw;
+       int offset = 0;
+       int ret = 0;
+
+       if (!fmw || !fmw->data) {
+               dev_err(tas_priv->dev, "%s: Failed to read firmware %s\n",
+                       __func__, tas_priv->coef_binaryname);
+               ret = -EINVAL;
+               goto out;
+       }
+
+       tas_priv->fmw = kzalloc(sizeof(struct tasdevice_fw), GFP_KERNEL);
+       if (!tas_priv->fmw) {
+               ret = -ENOMEM;
+               goto out;
+       }
+       tas_fmw = tas_priv->fmw;
+       tas_fmw->dev = tas_priv->dev;
+       offset = fw_parse_header(tas_priv, tas_fmw, fmw, offset);
+
+       if (offset == -EINVAL) {
+               ret = -EINVAL;
+               goto out;
+       }
+       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:
+               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)
+                       goto out;
+               break;
+       }
+
+       offset = tas_priv->fw_parse_variable_header(tas_priv, fmw, offset);
+       if (offset < 0) {
+               ret = offset;
+               goto out;
+       }
+       offset = tas_priv->fw_parse_program_data(tas_priv, tas_fmw, fmw,
+               offset);
+       if (offset < 0) {
+               ret = offset;
+               goto out;
+       }
+       offset = tas_priv->fw_parse_configuration_data(tas_priv,
+               tas_fmw, fmw, offset);
+       if (offset < 0)
+               ret = offset;
+
+out:
+       return ret;
+}
+
+int tasdevice_dsp_parser(void *context)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_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);
+               goto out;
+       }
+
+       ret = tasdevice_dspfw_ready(fw_entry, tas_priv);
+       release_firmware(fw_entry);
+       fw_entry = NULL;
+
+out:
+       return ret;
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_dsp_parser, SND_SOC_TAS2781_FMWLIB);
+
+static void tas2781_clear_calfirmware(struct tasdevice_fw *tas_fmw)
+{
+       struct tasdevice_calibration *calibration;
+       struct tasdev_blk *block;
+       struct tasdevice_data *im;
+       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;
+
+               im = &(calibration->dev_data);
+
+               if (!im->dev_blks)
+                       continue;
+
+               for (blks = 0; blks < im->nr_blk; blks++) {
+                       block = &(im->dev_blks[blks]);
+                       if (!block)
+                               continue;
+                       kfree(block->data);
+               }
+               kfree(im->dev_blks);
+       }
+       kfree(tas_fmw->calibrations);
+out:
+       kfree(tas_fmw);
+}
+
+void tasdevice_calbin_remove(void *context)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice *tasdev;
+       int i;
+
+       if (!tas_priv)
+               return;
+
+       for (i = 0; i < tas_priv->ndev; i++) {
+               tasdev = &(tas_priv->tasdevice[i]);
+               if (!tasdev->cali_data_fmw)
+                       continue;
+               tas2781_clear_calfirmware(tasdev->cali_data_fmw);
+               tasdev->cali_data_fmw = NULL;
+       }
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_calbin_remove, SND_SOC_TAS2781_FMWLIB);
+
+void tasdevice_config_info_remove(void *context)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_rca *rca = &(tas_priv->rcabin);
+       struct tasdevice_config_info **ci = rca->cfg_info;
+       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 < (int)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);
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_config_info_remove, SND_SOC_TAS2781_FMWLIB);
+
+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;
+}
+
+int tasdevice_select_tuningprm_cfg(void *context, int prm_no,
+       int cfg_no, int rca_conf_no)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_rca *rca = &(tas_priv->rcabin);
+       struct tasdevice_config_info **cfg_info = rca->cfg_info;
+       struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+       struct tasdevice_prog *program;
+       struct tasdevice_config *conf;
+       int prog_status = 0;
+       int status, i;
+
+       if (!tas_fmw) {
+               dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
+               goto out;
+       }
+
+       if (cfg_no >= tas_fmw->nr_configurations) {
+               dev_err(tas_priv->dev,
+                       "%s: cfg(%d) is not in range of conf %u\n",
+                       __func__, cfg_no, tas_fmw->nr_configurations);
+               goto out;
+       }
+
+       if (prm_no >= tas_fmw->nr_programs) {
+               dev_err(tas_priv->dev,
+                       "%s: prm(%d) is not in range of Programs %u\n",
+                       __func__, prm_no, tas_fmw->nr_programs);
+               goto out;
+       }
+
+       if (rca_conf_no >= rca->ncfgs || rca_conf_no < 0 ||
+               !cfg_info) {
+               dev_err(tas_priv->dev,
+                       "conf_no:%d should be in range from 0 to %u\n",
+                       rca_conf_no, rca->ncfgs-1);
+               goto out;
+       }
+
+       conf = &(tas_fmw->configs[cfg_no]);
+       for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) {
+               if (cfg_info[rca_conf_no]->active_dev & (1 << i)) {
+                       if (tas_priv->tasdevice[i].cur_prog != prm_no
+                               || tas_priv->force_fwload_status) {
+                               tas_priv->tasdevice[i].cur_conf = -1;
+                               tas_priv->tasdevice[i].is_loading = true;
+                               prog_status++;
+                       }
+               } else
+                       tas_priv->tasdevice[i].is_loading = false;
+               tas_priv->tasdevice[i].is_loaderr = false;
+       }
+
+       if (prog_status) {
+               program = &(tas_fmw->programs[prm_no]);
+               tasdevice_load_data(tas_priv, &(program->dev_data));
+               for (i = 0; i < tas_priv->ndev; i++) {
+                       if (tas_priv->tasdevice[i].is_loaderr == true)
+                               continue;
+                       else if (tas_priv->tasdevice[i].is_loaderr == false
+                               && tas_priv->tasdevice[i].is_loading == true) {
+                               struct tasdevice_fw *cal_fmw =
+                                       tas_priv->tasdevice[i].cali_data_fmw;
+
+                               if (cal_fmw) {
+                                       struct tasdevice_calibration
+                                               *cal = cal_fmw->calibrations;
+
+                                       if (cal)
+                                               load_calib_data(tas_priv,
+                                                       &(cal->dev_data));
+                               }
+                               tas_priv->tasdevice[i].cur_prog = prm_no;
+                       }
+               }
+       }
+
+       for (i = 0, status = 0; i < tas_priv->ndev; i++) {
+               if (tas_priv->tasdevice[i].cur_conf != cfg_no
+                       && (cfg_info[rca_conf_no]->active_dev & (1 << i))
+                       && (tas_priv->tasdevice[i].is_loaderr == false)) {
+                       status++;
+                       tas_priv->tasdevice[i].is_loading = true;
+               } else
+                       tas_priv->tasdevice[i].is_loading = false;
+       }
+
+       if (status) {
+               status = 0;
+               tasdevice_load_data(tas_priv, &(conf->dev_data));
+               for (i = 0; i < tas_priv->ndev; i++) {
+                       if (tas_priv->tasdevice[i].is_loaderr == true) {
+                               status |= 1 << (i + 4);
+                               continue;
+                       } else if (tas_priv->tasdevice[i].is_loaderr == false
+                               && tas_priv->tasdevice[i].is_loading == true)
+                               tas_priv->tasdevice[i].cur_conf = cfg_no;
+               }
+       } else
+               dev_dbg(tas_priv->dev, "%s: Unneeded loading dsp conf %d\n",
+                       __func__, cfg_no);
+
+       status |= cfg_info[rca_conf_no]->active_dev;
+
+out:
+       return prog_status;
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_select_tuningprm_cfg,
+       SND_SOC_TAS2781_FMWLIB);
+
+int tasdevice_prmg_load(void *context, int prm_no)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+       struct tasdevice_prog *program;
+       int prog_status = 0;
+       int i;
+
+       if (!tas_fmw) {
+               dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
+               goto out;
+       }
+
+       if (prm_no >= tas_fmw->nr_programs) {
+               dev_err(tas_priv->dev,
+                       "%s: prm(%d) is not in range of Programs %u\n",
+                       __func__, prm_no, tas_fmw->nr_programs);
+               goto out;
+       }
+
+       for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) {
+               if (tas_priv->tasdevice[i].cur_prog != prm_no) {
+                       tas_priv->tasdevice[i].cur_conf = -1;
+                       tas_priv->tasdevice[i].is_loading = true;
+                       prog_status++;
+               }
+       }
+
+       if (prog_status) {
+               program = &(tas_fmw->programs[prm_no]);
+               tasdevice_load_data(tas_priv, &(program->dev_data));
+               for (i = 0; i < tas_priv->ndev; i++) {
+                       if (tas_priv->tasdevice[i].is_loaderr == true)
+                               continue;
+                       else if (tas_priv->tasdevice[i].is_loaderr == false
+                               && tas_priv->tasdevice[i].is_loading == true)
+                               tas_priv->tasdevice[i].cur_prog = prm_no;
+               }
+       }
+
+out:
+       return prog_status;
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_prmg_load, SND_SOC_TAS2781_FMWLIB);
+
+int tasdevice_prmg_calibdata_load(void *context, int prm_no)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+       struct tasdevice_prog *program;
+       int prog_status = 0;
+       int i;
+
+       if (!tas_fmw) {
+               dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
+               goto out;
+       }
+
+       if (prm_no >= tas_fmw->nr_programs) {
+               dev_err(tas_priv->dev,
+                       "%s: prm(%d) is not in range of Programs %u\n",
+                       __func__, prm_no, tas_fmw->nr_programs);
+               goto out;
+       }
+
+       for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) {
+               if (tas_priv->tasdevice[i].cur_prog != prm_no) {
+                       tas_priv->tasdevice[i].cur_conf = -1;
+                       tas_priv->tasdevice[i].is_loading = true;
+                       prog_status++;
+               }
+               tas_priv->tasdevice[i].is_loaderr = false;
+       }
+
+       if (prog_status) {
+               program = &(tas_fmw->programs[prm_no]);
+               tasdevice_load_data(tas_priv, &(program->dev_data));
+               for (i = 0; i < tas_priv->ndev; i++) {
+                       if (tas_priv->tasdevice[i].is_loaderr == true)
+                               continue;
+                       else if (tas_priv->tasdevice[i].is_loaderr == false
+                               && tas_priv->tasdevice[i].is_loading == true) {
+                               struct tasdevice_fw *cal_fmw =
+                                       tas_priv->tasdevice[i].cali_data_fmw;
+
+                               if (cal_fmw) {
+                                       struct tasdevice_calibration *cal =
+                                               cal_fmw->calibrations;
+
+                                       if (cal)
+                                               load_calib_data(tas_priv,
+                                                       &(cal->dev_data));
+                               }
+                               tas_priv->tasdevice[i].cur_prog = prm_no;
+                       }
+               }
+       }
+
+out:
+       return prog_status;
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_prmg_calibdata_load,
+       SND_SOC_TAS2781_FMWLIB);
+
+void tasdevice_tuning_switch(void *context, int state)
+{
+       struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
+       struct tasdevice_fw *tas_fmw = tas_priv->fmw;
+       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) {
+               if (tas_priv->cur_prog < tas_fmw->nr_programs) {
+                       /*dsp mode or tuning mode*/
+                       profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
+                       tasdevice_select_tuningprm_cfg(tas_priv,
+                               tas_priv->cur_prog, tas_priv->cur_conf,
+                               profile_cfg_id);
+               }
+
+               tasdevice_select_cfg_blk(tas_priv, profile_cfg_id,
+                       TASDEVICE_BIN_BLK_PRE_POWER_UP);
+       } else
+               tasdevice_select_cfg_blk(tas_priv, profile_cfg_id,
+                       TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
+}
+EXPORT_SYMBOL_NS_GPL(tasdevice_tuning_switch,
+       SND_SOC_TAS2781_FMWLIB);
+
+MODULE_DESCRIPTION("Texas Firmware Support");
+MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
+MODULE_LICENSE("GPL");