// SPDX-License-Identifier: GPL-2.0 // // tas2781-fmwlib.c -- TASDEVICE firmware support // // Copyright 2023 - 2024 Texas Instruments, Inc. // // Author: Shenghao Ding #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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; }; static const char deviceNumber[TASDEVICE_DSP_TAS_MAX_DEVICE] = { 1, 2, 1, 2, 1, 1, 0, 2, 4, 3, 1, 2, 3, 4 }; /* 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, 0xC1 }, { PRE_DEVICE_A_1X, 0xC1 }, { PRE_SOFTWARE_RESET_DEVICE_A, 0xC1 }, { POST_SOFTWARE_RESET_DEVICE_A, 0xC1 }, { MAIN_DEVICE_B_1X, 0x82 }, { COEFF_DEVICE_B_1X, 0xC2 }, { PRE_DEVICE_B_1X, 0xC2 }, { PRE_SOFTWARE_RESET_DEVICE_B, 0xC2 }, { POST_SOFTWARE_RESET_DEVICE_B, 0xC2 }, { MAIN_DEVICE_C_1X, 0x83 }, { COEFF_DEVICE_C_1X, 0xC3 }, { PRE_DEVICE_C_1X, 0xC3 }, { PRE_SOFTWARE_RESET_DEVICE_C, 0xC3 }, { POST_SOFTWARE_RESET_DEVICE_C, 0xC3 }, { MAIN_DEVICE_D_1X, 0x84 }, { COEFF_DEVICE_D_1X, 0xC4 }, { PRE_DEVICE_D_1X, 0xC4 }, { 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 }, }; 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 = 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(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 = 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); 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 = 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; ret = -EINVAL; goto out; } 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; ret = -EINVAL; goto out; } offset += 4; fw_hdr->drv_fw_version = get_unaligned_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 = 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 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"); /* 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; } 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 = get_unaligned_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 = 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__); 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 = 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) { 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 = get_unaligned_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 = 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); 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 = 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"); 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 = 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 = (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 = get_unaligned_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 = get_unaligned_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 = get_unaligned_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 = get_unaligned_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) { const unsigned int blk_size = block->blk_size; unsigned int i, length; unsigned char *data = block->data; 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); 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 = get_unaligned_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 = 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); 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 = 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"); 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 = 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); 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 = get_unaligned_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 = get_unaligned_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 = 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*/ 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; 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); 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; } 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 = get_unaligned_be16(&data[offset]); offset += 2; if (tas_fmw->nr_calibrations != 1) { dev_err(tas_priv->dev, "%s: only supports one calibration (%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 = NULL; 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); ret = -EINVAL; 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: 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: case 0x401: 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; } static void tasdev_load_calibrated_data(struct tasdevice_priv *priv, int i) { struct tasdevice_fw *cal_fmw = priv->tasdevice[i].cali_data_fmw; struct calidata *cali_data = &priv->cali_data; struct cali_reg *p = &cali_data->cali_reg_array; unsigned char *data = cali_data->data; struct tasdevice_calibration *cal; int k = i * (cali_data->cali_dat_sz_per_dev + 1); int rc; /* Load the calibrated data from cal bin file */ if (!priv->is_user_space_calidata && cal_fmw) { cal = cal_fmw->calibrations; if (cal) load_calib_data(priv, &cal->dev_data); return; } if (!priv->is_user_space_calidata) return; /* load calibrated data from user space */ if (data[k] != i) { dev_err(priv->dev, "%s: no cal-data for dev %d from usr-spc\n", __func__, i); return; } k++; rc = tasdevice_dev_bulk_write(priv, i, p->r0_reg, &(data[k]), 4); if (rc < 0) { dev_err(priv->dev, "chn %d r0_reg bulk_wr err = %d\n", i, rc); return; } k += 4; rc = tasdevice_dev_bulk_write(priv, i, p->r0_low_reg, &(data[k]), 4); if (rc < 0) { dev_err(priv->dev, "chn %d r0_low_reg err = %d\n", i, rc); return; } k += 4; rc = tasdevice_dev_bulk_write(priv, i, p->invr0_reg, &(data[k]), 4); if (rc < 0) { dev_err(priv->dev, "chn %d invr0_reg err = %d\n", i, rc); return; } k += 4; rc = tasdevice_dev_bulk_write(priv, i, p->pow_reg, &(data[k]), 4); if (rc < 0) { dev_err(priv->dev, "chn %d pow_reg bulk_wr err = %d\n", i, rc); return; } k += 4; rc = tasdevice_dev_bulk_write(priv, i, p->tlimit_reg, &(data[k]), 4); if (rc < 0) { dev_err(priv->dev, "chn %d tlimit_reg err = %d\n", i, rc); return; } } 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; } for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) { if (cfg_info[rca_conf_no]->active_dev & (1 << i)) { if (prm_no >= 0 && (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; if (tas_priv->tasdevice[i].is_loaderr == false && tas_priv->tasdevice[i].is_loading == true) tas_priv->tasdevice[i].cur_prog = prm_no; } } for (i = 0, status = 0; i < tas_priv->ndev; i++) { if (cfg_no >= 0 && 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) { conf = &(tas_fmw->configs[cfg_no]); 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 |= BIT(i + 4); continue; } if (tas_priv->tasdevice[i].is_loaderr == false && tas_priv->tasdevice[i].is_loading == true) { tasdev_load_calibrated_data(tas_priv, i); 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 (prm_no >= 0 && 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"); 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; /* * Only RCA-based Playback can still work with no dsp program running * inside the chip. */ switch (tas_priv->fw_state) { case TASDEVICE_RCA_FW_OK: case TASDEVICE_DSP_FW_ALL_OK: break; default: return; } if (state == 0) { if (tas_fmw && 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, "); MODULE_LICENSE("GPL");