diff options
| author | Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org> | 2020-12-08 17:25:29 +0530 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2020-12-18 22:23:50 +0100 |
| commit | c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 (patch) | |
| tree | 29bfbf8998a3d7929af067f70dbf4437561340e1 /drivers | |
| parent | 517b693351a2d04f3af1fc0e506ac7e1346094de (diff) | |
| download | linux-c0187b0bd3e94c48050687d87b2c3c9fbae98ae9.tar.bz2 | |
Bluetooth: btqca: Add support to read FW build version for WCN3991 BTSoC
Add support to read FW build version from debugfs node.
This info can be read from
/sys/kernel/debug/bluetooth/hci0/firmware_info
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bluetooth/btqca.c | 54 | ||||
| -rw-r--r-- | drivers/bluetooth/btqca.h | 1 |
2 files changed, 55 insertions, 0 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index f85a55add9be..f6256a3b84cf 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -94,6 +94,53 @@ out: } EXPORT_SYMBOL_GPL(qca_read_soc_version); +static int qca_read_fw_build_info(struct hci_dev *hdev) +{ + struct sk_buff *skb; + struct edl_event_hdr *edl; + char cmd, build_label[QCA_FW_BUILD_VER_LEN]; + int build_lbl_len, err = 0; + + bt_dev_dbg(hdev, "QCA read fw build info"); + + cmd = EDL_GET_BUILD_INFO_CMD; + skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, + &cmd, 0, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "Reading QCA fw build info failed (%d)", + err); + return err; + } + + edl = (struct edl_event_hdr *)(skb->data); + if (!edl) { + bt_dev_err(hdev, "QCA read fw build info with no header"); + err = -EILSEQ; + goto out; + } + + if (edl->cresp != EDL_CMD_REQ_RES_EVT || + edl->rtype != EDL_GET_BUILD_INFO_CMD) { + bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, + edl->rtype); + err = -EIO; + goto out; + } + + build_lbl_len = edl->data[0]; + if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) { + memcpy(build_label, edl->data + 1, build_lbl_len); + *(build_label + build_lbl_len) = '\0'; + } + + hci_set_fw_info(hdev, "%s", build_label); + +out: + kfree_skb(skb); + return err; +} + static int qca_send_reset(struct hci_dev *hdev) { struct sk_buff *skb; @@ -524,6 +571,13 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, return err; } + if (soc_type == QCA_WCN3991) { + /* get fw build info */ + err = qca_read_fw_build_info(hdev); + if (err < 0) + return err; + } + bt_dev_info(hdev, "QCA setup on UART is completed"); return 0; diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index e73b8f8775bd..b19add7675a4 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -11,6 +11,7 @@ #define EDL_PATCH_CMD_LEN (1) #define EDL_PATCH_VER_REQ_CMD (0x19) #define EDL_PATCH_TLV_REQ_CMD (0x1E) +#define EDL_GET_BUILD_INFO_CMD (0x20) #define EDL_NVM_ACCESS_SET_REQ_CMD (0x01) #define MAX_SIZE_PER_TLV_SEGMENT (243) #define QCA_PRE_SHUTDOWN_CMD (0xFC08) |