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The firmware contains algorithm parameters and some device configuration writes which are part of the same firmware file. Signed-off-by: Niranjan H Y --- v2: - no change --- sound/soc/codecs/tas2783-sdw.c | 147 +++++++++++++++++++-------------- sound/soc/codecs/tas2783.h | 1 + 2 files changed, 85 insertions(+), 63 deletions(-) diff --git a/sound/soc/codecs/tas2783-sdw.c b/sound/soc/codecs/tas2783-sdw.c index 43b779873..6a0644670 100644 --- a/sound/soc/codecs/tas2783-sdw.c +++ b/sound/soc/codecs/tas2783-sdw.c @@ -35,8 +35,8 @@ #include "tas2783.h" #define TIMEOUT_FW_DL_MS (3000) -#define FW_DL_OFFSET 36 -#define FW_FL_HDR 12 +#define FW_DL_OFFSET 84 /* binary file information */ +#define FW_FL_HDR 20 /* minimum number of bytes in one chunk */ #define TAS2783_PROBE_TIMEOUT 5000 #define TAS2783_CALI_GUID EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, \ 0x09, 0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92) @@ -49,11 +49,22 @@ static const u32 tas2783_cali_reg[] = { TAS2783_CAL_TLIM, }; -struct bin_header_t { - u16 vendor_id; - u16 version; +struct tas_fw_hdr { + u32 size; + u32 version_offset; + u32 plt_id; + u32 ppc3_ver; + u32 timestamp; + u8 ddc_name[64]; +}; + +struct tas_fw_file { + u32 vendor_id; u32 file_id; + u32 version; u32 length; + u32 dest_addr; + u8 *fw_data; }; struct calibration_data { @@ -735,13 +746,28 @@ static s32 tas2783_update_calibdata(struct tas2783_prv *tas_dev) return ret; } -static s32 read_header(const u8 *data, struct bin_header_t *hdr) +static s32 tas_fw_read_hdr(const u8 *data, struct tas_fw_hdr *hdr) +{ + hdr->size = get_unaligned_le32(data); + hdr->version_offset = get_unaligned_le32(&data[4]); + hdr->plt_id = get_unaligned_le32(&data[8]); + hdr->ppc3_ver = get_unaligned_le32(&data[12]); + memcpy(hdr->ddc_name, &data[16], 64); + hdr->timestamp = get_unaligned_le32(&data[80]); + + return 84; +} + +static s32 tas_fw_get_next_file(const u8 *data, struct tas_fw_file *file) { - hdr->vendor_id = get_unaligned_le16(&data[0]); - hdr->file_id = get_unaligned_le32(&data[2]); - hdr->version = get_unaligned_le16(&data[6]); - hdr->length = get_unaligned_le32(&data[8]); - return 12; + file->vendor_id = get_unaligned_le32(&data[0]); + file->file_id = get_unaligned_le32(&data[4]); + file->version = get_unaligned_le32(&data[8]); + file->length = get_unaligned_le32(&data[12]); + file->dest_addr = get_unaligned_le32(&data[16]); + file->fw_data = (u8 *)&data[20]; + + return file->length + sizeof(u32) * 5; } static void tas2783_fw_ready(const struct firmware *fmw, void *context) @@ -749,13 +775,20 @@ static void tas2783_fw_ready(const struct firmware *fmw, void *context) struct tas2783_prv *tas_dev = (struct tas2783_prv *)context; const u8 *buf = NULL; - s32 offset = 0, img_sz, file_blk_size, ret; - struct bin_header_t hdr; + s32 img_sz, ret = 0, cur_file = 0; + s32 offset = 0; + + struct tas_fw_hdr *hdr __free(kfree) = kzalloc(sizeof(*hdr), GFP_KERNEL); + struct tas_fw_file *file __free(kfree) = kzalloc(sizeof(*file), GFP_KERNEL); + if (!file || !hdr) { + ret = -ENOMEM; + goto out; + } if (!fmw || !fmw->data) { - /* No firmware binary, devices will work in ROM mode. */ + /* firmware binary not found*/ dev_err(tas_dev->dev, - "Failed to read %s, no side-effect on driver running\n", + "Failed to read fw binary %s\n", tas_dev->rca_binaryname); ret = -EINVAL; goto out; @@ -763,67 +796,47 @@ static void tas2783_fw_ready(const struct firmware *fmw, void *context) img_sz = fmw->size; buf = fmw->data; - offset += FW_DL_OFFSET; - if (offset >= (img_sz - FW_FL_HDR)) { - dev_err(tas_dev->dev, - "firmware is too small"); + offset += tas_fw_read_hdr(buf, hdr); + if (hdr->size != img_sz) { ret = -EINVAL; + dev_err(tas_dev->dev, "firmware size mismatch with header"); + goto out; + } + + if (img_sz < FW_DL_OFFSET) { + ret = -EINVAL; + dev_err(tas_dev->dev, "unexpected size, size is too small"); goto out; } mutex_lock(&tas_dev->pde_lock); while (offset < (img_sz - FW_FL_HDR)) { - memset(&hdr, 0, sizeof(hdr)); - offset += read_header(&buf[offset], &hdr); + offset += tas_fw_get_next_file(&buf[offset], file); dev_dbg(tas_dev->dev, - "vndr=%d, file=%d, version=%d, len=%d, off=%d\n", - hdr.vendor_id, hdr.file_id, hdr.version, - hdr.length, offset); - /* size also includes the header */ - file_blk_size = hdr.length - FW_FL_HDR; - - /* make sure that enough data is there */ - if (offset + file_blk_size > img_sz) { - ret = -EINVAL; + "v=%d, fid=%d, ver=%d, len=%d, daddr=0x%x, fw=%p", + file->vendor_id, file->file_id, + file->version, file->length, + file->dest_addr, file->fw_data); + + ret = sdw_nwrite_no_pm(tas_dev->sdw_peripheral, + file->dest_addr, + file->length, + file->fw_data); + if (ret < 0) { dev_err(tas_dev->dev, - "corrupt firmware file"); + "FW download failed: %d", ret); break; } - - switch (hdr.file_id) { - case 0: - ret = sdw_nwrite_no_pm(tas_dev->sdw_peripheral, - PRAM_ADDR_START, file_blk_size, - &buf[offset]); - if (ret < 0) - dev_err(tas_dev->dev, - "PRAM update failed: %d", ret); - break; - - case 1: - ret = sdw_nwrite_no_pm(tas_dev->sdw_peripheral, - YRAM_ADDR_START, file_blk_size, - &buf[offset]); - if (ret < 0) - dev_err(tas_dev->dev, - "YRAM update failed: %d", ret); - - break; - - default: - ret = -EINVAL; - dev_err(tas_dev->dev, "Unsupported file"); - break; - } - - if (ret == 0) - offset += file_blk_size; - else - break; + cur_file++; } mutex_unlock(&tas_dev->pde_lock); - if (!ret) + + if (cur_file == 0) { + dev_err(tas_dev->dev, "fw with no files"); + ret = -EINVAL; + } else { tas2783_update_calibdata(tas_dev); + } out: if (!ret) @@ -1211,6 +1224,14 @@ static s32 tas_io_init(struct device *dev, struct sdw_slave *slave) tas_dev->fw_dl_task_done = false; tas_dev->fw_dl_success = false; + + ret = regmap_write(tas_dev->regmap, TAS2783_SW_RESET, 0x1); + if (ret) { + dev_err(dev, "sw reset failed, err=%d", ret); + return ret; + } + usleep_range(2000, 2200); + scnprintf(tas_dev->rca_binaryname, sizeof(tas_dev->rca_binaryname), "tas2783-%01x.bin", unique_id); diff --git a/sound/soc/codecs/tas2783.h b/sound/soc/codecs/tas2783.h index 794333e0a..bf34319c9 100644 --- a/sound/soc/codecs/tas2783.h +++ b/sound/soc/codecs/tas2783.h @@ -28,6 +28,7 @@ #define TASDEV_REG_SDW(book, page, reg) (((book) * 256 * 128) + \ 0x800000 + ((page) * 128) + (reg)) +#define TAS2783_SW_RESET TASDEV_REG_SDW(0x0, 0x00, 0x01) /* Volume control */ #define TAS2783_DVC_LVL TASDEV_REG_SDW(0x0, 0x00, 0x1A) #define TAS2783_AMP_LEVEL TASDEV_REG_SDW(0x0, 0x00, 0x03) -- 2.43.0