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kernel/sound/pci/hda/tas2781_spi_fwlib.c

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// 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);
}
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