[v4] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC QCA2066

Commit Message

Tim Jiang May 17, 2023, 10:44 a.m. UTC

This patch adds support for QCA2066 firmware patch and nvm downloading.

Signed-off-by: Tim Jiang <[e-mail]>
---
 drivers/bluetooth/btqca.c   | 76 ++++++++++++++++++++++++++++++++++++-
 drivers/bluetooth/btqca.h   |  4 ++
 drivers/bluetooth/hci_qca.c |  8 +++-
 3 files changed, 86 insertions(+), 2 deletions(-)

Comments

[e-mail] May 17, 2023, 11:34 a.m. UTC | #1

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=748375

---Test result---

Test Summary:
CheckPatch                    FAIL      1.56 seconds
GitLint                       PASS      0.26 seconds
SubjectPrefix                 PASS      0.07 seconds
BuildKernel                   PASS      39.34 seconds
CheckAllWarning               PASS      43.29 seconds
CheckSparse                   WARNING   48.95 seconds
CheckSmatch                   PASS      132.11 seconds
BuildKernel32                 PASS      38.76 seconds
TestRunnerSetup               PASS      542.27 seconds
TestRunner_l2cap-tester       PASS      19.88 seconds
TestRunner_iso-tester         PASS      25.41 seconds
TestRunner_bnep-tester        PASS      6.78 seconds
TestRunner_mgmt-tester        PASS      132.31 seconds
TestRunner_rfcomm-tester      PASS      10.57 seconds
TestRunner_sco-tester         PASS      9.79 seconds
TestRunner_ioctl-tester       PASS      11.54 seconds
TestRunner_mesh-tester        PASS      8.51 seconds
TestRunner_smp-tester         PASS      9.73 seconds
TestRunner_userchan-tester    PASS      7.21 seconds
IncrementalBuild              PASS      36.58 seconds

Details
##############################
Test: CheckPatch - FAIL
Desc: Run checkpatch.pl script
Output:
[v4] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC QCA2066
WARNING: DT compatible string "qcom,qca2066-bt" appears un-documented -- check ./Documentation/devicetree/bindings/
#279: FILE: drivers/bluetooth/hci_qca.c:2372:
+	{ .compatible = "qcom,qca2066-bt", .data = &qca_soc_data_qca2066},

total: 0 errors, 1 warnings, 160 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13244615.patch has style problems, please review.

NOTE: Ignored message types: UNKNOWN_COMMIT_ID

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.


##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
drivers/bluetooth/btqca.c:629:17: warning: restricted __le32 degrades to integerdrivers/bluetooth/btqca.c:712:24: warning: restricted __le32 degrades to integer


---
Regards,
Linux Bluetooth

Patch

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index fd0941fe8608..9bb0ba6fe00d 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -205,6 +205,48 @@  static int qca_send_reset(struct hci_dev *hdev)
 	return 0;
 }
 
+static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid)
+{
+	u8 cmd;
+	struct sk_buff *skb;
+	struct edl_event_hdr *edl;
+	int err = 0;
+	int bid_len;
+
+	bt_dev_dbg(hdev, "QCA read board ID");
+
+	cmd = EDL_GET_BID_REQ_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 board ID failed (%d)", err);
+		return err;
+	}
+
+	edl = skb_pull_data(skb, sizeof(*edl));
+	if (!edl) {
+		bt_dev_err(hdev, "QCA read board ID with no header");
+		err = -EILSEQ;
+		goto out;
+	}
+
+	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
+	    edl->rtype != EDL_GET_BID_REQ_CMD) {
+		bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype);
+		err = -EIO;
+		goto out;
+	}
+
+	bid_len = edl->data[0];
+	*bid = (edl->data[1] << 8) + edl->data[2];
+	bt_dev_info(hdev, "%s: bid len = %x, bid = %x", __func__, bid_len, *bid);
+
+out:
+	kfree_skb(skb);
+	return err;
+}
+
 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 {
 	struct sk_buff *skb;
@@ -574,6 +616,29 @@  int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
 
+static void qca_generate_nvm_name(struct hci_dev *hdev, char *fwname,
+		   size_t max_size, struct qca_btsoc_version ver, u16 bid)
+{
+	u8 rom_ver = 0;
+	u32 soc_ver;
+	const char *variant;
+
+	soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
+	rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
+
+	if ((ver.soc_id & 0x0000ff00) == QCA_HSP_GF_SOC_ID)  /* hsp gf chip */
+		variant = "g";
+	else
+		variant = "";
+
+	if (bid == 0x0)
+		snprintf(fwname, max_size, "qca/hpnv%02x%s.bin", rom_ver, variant);
+	else
+		snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid);
+
+	bt_dev_info(hdev, "%s: nvm name is %s", __func__, fwname);
+}
+
 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 		   enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
 		   const char *firmware_name)
@@ -582,6 +647,7 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	int err;
 	u8 rom_ver = 0;
 	u32 soc_ver;
+	u16 boardid = 0;
 
 	bt_dev_dbg(hdev, "QCA setup on UART");
 
@@ -604,6 +670,9 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	if (qca_is_wcn399x(soc_type)) {
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/crbtfw%02x.tlv", rom_ver);
+	} else if (soc_type == QCA_QCA2066) {
+		snprintf(config.fwname, sizeof(config.fwname),
+			 "qca/hpbtfw%02x.tlv", rom_ver);
 	} else if (soc_type == QCA_QCA6390) {
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/htbtfw%02x.tlv", rom_ver);
@@ -631,6 +700,9 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	/* Give the controller some time to get ready to receive the NVM */
 	msleep(10);
 
+	if (soc_type == QCA_QCA2066)
+		qca_read_fw_board_id(hdev, &boardid);
+
 	/* Download NVM configuration */
 	config.type = TLV_TYPE_NVM;
 	if (firmware_name)
@@ -644,7 +716,9 @@  int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 			snprintf(config.fwname, sizeof(config.fwname),
 				 "qca/crnv%02x.bin", rom_ver);
 		}
-	}
+	} else if (soc_type == QCA_QCA2066)
+		qca_generate_nvm_name(hdev, config.fwname, sizeof(config.fwname),
+				ver, boardid);
 	else if (soc_type == QCA_QCA6390)
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/htnv%02x.bin", rom_ver);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index b884095bcd9d..7c9b3464ae4a 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_GET_BID_REQ_CMD		(0x23)
 #define EDL_PATCH_CONFIG_CMD		(0x28)
 #define MAX_SIZE_PER_TLV_SEGMENT	(243)
 #define QCA_PRE_SHUTDOWN_CMD		(0xFC08)
@@ -48,6 +49,8 @@ 
 
 #define QCA_FW_BUILD_VER_LEN		255
 
+#define QCA_HSP_GF_SOC_ID		0x1200
+
 
 enum qca_baudrate {
 	QCA_BAUDRATE_115200 	= 0,
@@ -145,6 +148,7 @@  enum qca_btsoc_type {
 	QCA_WCN3990,
 	QCA_WCN3998,
 	QCA_WCN3991,
+	QCA_QCA2066,
 	QCA_QCA6390,
 	QCA_WCN6750,
 	QCA_WCN6855,
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 1b064504b388..c7b8e1c630b4 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1729,7 +1729,7 @@  static int qca_setup(struct hci_uart *hu)
 	bt_dev_info(hdev, "setting up %s",
 		qca_is_wcn399x(soc_type) ? "wcn399x" :
 		(soc_type == QCA_WCN6750) ? "wcn6750" :
-		(soc_type == QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390");
+		(soc_type == QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390/QCA2066");
 
 	qca->memdump_state = QCA_MEMDUMP_IDLE;
 
@@ -1874,6 +1874,11 @@  static const struct qca_device_data qca_soc_data_qca6390 __maybe_unused = {
 	.num_vregs = 0,
 };
 
+static const struct qca_device_data qca_soc_data_qca2066 __maybe_unused = {
+	.soc_type = QCA_QCA2066,
+	.num_vregs = 0,
+};
+
 static const struct qca_device_data qca_soc_data_wcn6750 __maybe_unused = {
 	.soc_type = QCA_WCN6750,
 	.vregs = (struct qca_vreg []) {
@@ -2364,6 +2369,7 @@  static const struct of_device_id qca_bluetooth_of_match[] = {
 	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
 	{ .compatible = "qcom,wcn6750-bt", .data = &qca_soc_data_wcn6750},
 	{ .compatible = "qcom,wcn6855-bt", .data = &qca_soc_data_wcn6855},
+	{ .compatible = "qcom,qca2066-bt", .data = &qca_soc_data_qca2066},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);