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Subject[PATCH v3] Bluetooth: btqca: sequential validation
Date
Added Sequential validation support
& patch command config

Signed-off-by: Sai Teja Aluvala <quic_saluvala@quicinc.com>

v3:
* removed rlen,rtype
* Replaced kfree with kfree_skb

v2:
* Added static declaration
* Addressed wrong indentation
* Removed EDL_PATCH_CONFIG_CMD_LEN
*

v1:
*Initial patch
---
drivers/bluetooth/btqca.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++
drivers/bluetooth/btqca.h | 2 ++
2 files changed, 50 insertions(+)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index be04d74..21830c6 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -141,6 +141,51 @@ static int qca_read_fw_build_info(struct hci_dev *hdev)
return err;
}

+static int qca_send_patch_config_cmd(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err = 0;
+ u8 cmd[] = {EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0};
+ struct edl_event_hdr *edl;
+
+ bt_dev_dbg(hdev, "QCA Patch config");
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),
+ cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);
+ return err;
+ }
+
+ if (skb->len != 2) {
+ bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);
+ err = -EILSEQ;
+ goto out;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+ if (!edl) {
+ bt_dev_err(hdev, "QCA Patch config with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+out:
+ kfree_skb(skb);
+ if (err)
+ bt_dev_err(hdev, "QCA Patch config cmd failed (%d)", err);
+
+ return err;
+}
+
static int qca_send_reset(struct hci_dev *hdev)
{
struct sk_buff *skb;
@@ -551,6 +596,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
*/
rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);

+ if (soc_type == QCA_WCN6750)
+ qca_send_patch_config_cmd(hdev);
+
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
if (qca_is_wcn399x(soc_type)) {
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 30afa77..61e9a50 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -13,6 +13,7 @@
#define EDL_PATCH_TLV_REQ_CMD (0x1E)
#define EDL_GET_BUILD_INFO_CMD (0x20)
#define EDL_NVM_ACCESS_SET_REQ_CMD (0x01)
+#define EDL_PATCH_CONFIG_CMD (0x28)
#define MAX_SIZE_PER_TLV_SEGMENT (243)
#define QCA_PRE_SHUTDOWN_CMD (0xFC08)
#define QCA_DISABLE_LOGGING (0xFC17)
@@ -24,6 +25,7 @@
#define EDL_CMD_EXE_STATUS_EVT (0x00)
#define EDL_SET_BAUDRATE_RSP_EVT (0x92)
#define EDL_NVM_ACCESS_CODE_EVT (0x0B)
+#define EDL_PATCH_CONFIG_RES_EVT (0x00)
#define QCA_DISABLE_LOGGING_SUB_OP (0x14)

#define EDL_TAG_ID_HCI (17)
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc.
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