New generation Intel controllers returns version information in TLV
format. This patch adds,
1) Enums, structures for TLV
2) function to read controller information, parse TLV data and populate
intel_version_tlv structure
3) function to print version information
Signed-off-by: Kiran K <kiran.k@xxxxxxxxx>
Signed-off-by: Amit K Bag <amit.k.bag@xxxxxxxxx>
Signed-off-by: Raghuram Hegde <raghuram.hegde@xxxxxxxxx>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@xxxxxxxxx>
Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@xxxxxxxxx>
---
drivers/bluetooth/btintel.c | 138 ++++++++++++++++++++++++++++++++++++++++++++
drivers/bluetooth/btintel.h | 79 +++++++++++++++++++++++++
2 files changed, 217 insertions(+)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index dc6f1a9..e99fc6e 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -361,6 +361,144 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver)
}
EXPORT_SYMBOL_GPL(btintel_read_version);
+void btintel_version_info_tlv(struct hci_dev *hdev, struct intel_version_tlv *version)
+{
+ const char *variant;
+
+ switch (version->img_type) {
+ case 0x01:
+ variant = "Bootloader";
+ bt_dev_info(hdev, "Device revision is %u", version->dev_rev_id);
+ bt_dev_info(hdev, "Secure boot is %s",
+ version->secure_boot ? "enabled" : "disabled");
+ bt_dev_info(hdev, "OTP lock is %s",
+ version->otp_lock ? "enabled" : "disabled");
+ bt_dev_info(hdev, "API lock is %s",
+ version->api_lock ? "enabled" : "disabled");
+ bt_dev_info(hdev, "Debug lock is %s",
+ version->debug_lock ? "enabled" : "disabled");
+ bt_dev_info(hdev, "Minimum firmware build %u week %u %u",
+ version->min_fw_build_nn, version->min_fw_build_cw,
+ 2000 + version->min_fw_build_yy);
+ break;
+ case 0x03:
+ variant = "Firmware";
+ break;
+ default:
+ bt_dev_err(hdev, "Unsupported image type(%02x)", version->img_type);
+ goto done;
+ }
+
+ bt_dev_info(hdev, "%s timestamp %u.%u buildtype %u build %u", variant,
+ 2000 + (version->timestamp >> 8), version->timestamp & 0xff,
+ version->build_type, version->build_num);
+
+done:
+ return;
+}
+EXPORT_SYMBOL_GPL(btintel_version_info_tlv);
+
+int btintel_read_version_tlv(struct hci_dev *hdev, struct intel_version_tlv *version)
+{
+ struct sk_buff *skb;
+ const u8 param[1] = { 0xFF };
+
+ if (!version)
+ return -EINVAL;
+
+ skb = __hci_cmd_sync(hdev, 0xfc05, 1, param, HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading Intel version information failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->data[0]) {
+ bt_dev_err(hdev, "Intel Read Version command failed (%02x)",
+ skb->data[0]);
+ kfree_skb(skb);
+ return -EIO;
+ }
+
+ /* Consume Command Complete Status field */
+ skb_pull(skb, 1);
+
+ /* Event parameters contatin multiple TLVs. Read each of them
+ * and only keep the required data. Also, it use existing legacy
+ * version field like hw_platform, hw_variant, and fw_variant
+ * to keep the existing setup flow
+ */
+ while (skb->len) {
+ struct intel_tlv *tlv;
+
+ tlv = (struct intel_tlv *)skb->data;
+ switch (tlv->type) {
+ case INTEL_TLV_CNVI_TOP:
+ version->cnvi_top = get_unaligned_le32(tlv->val);
+ break;
+ case INTEL_TLV_CNVR_TOP:
+ version->cnvr_top = get_unaligned_le32(tlv->val);
+ break;
+ case INTEL_TLV_CNVI_BT:
+ version->cnvi_bt = get_unaligned_le32(tlv->val);
+ break;
+ case INTEL_TLV_CNVR_BT:
+ version->cnvr_bt = get_unaligned_le32(tlv->val);
+ break;
+ case INTEL_TLV_DEV_REV_ID:
+ version->dev_rev_id = get_unaligned_le16(tlv->val);
+ break;
+ case INTEL_TLV_IMAGE_TYPE:
+ version->img_type = tlv->val[0];
+ break;
+ case INTEL_TLV_TIME_STAMP:
+ version->timestamp = get_unaligned_le16(tlv->val);
+ break;
+ case INTEL_TLV_BUILD_TYPE:
+ version->build_type = tlv->val[0];
+ break;
+ case INTEL_TLV_BUILD_NUM:
+ version->build_num = get_unaligned_le32(tlv->val);
+ break;
+ case INTEL_TLV_SECURE_BOOT:
+ version->secure_boot = tlv->val[0];
+ break;
+ case INTEL_TLV_OTP_LOCK:
+ version->otp_lock = tlv->val[0];
+ break;
+ case INTEL_TLV_API_LOCK:
+ version->api_lock = tlv->val[0];
+ break;
+ case INTEL_TLV_DEBUG_LOCK:
+ version->debug_lock = tlv->val[0];
+ break;
+ case INTEL_TLV_MIN_FW:
+ version->min_fw_build_nn = tlv->val[0];
+ version->min_fw_build_cw = tlv->val[1];
+ version->min_fw_build_yy = tlv->val[2];
+ break;
+ case INTEL_TLV_LIMITED_CCE:
+ version->limited_cce = tlv->val[0];
+ break;
+ case INTEL_TLV_SBE_TYPE:
+ version->sbe_type = tlv->val[0];
+ break;
+ case INTEL_TLV_OTP_BDADDR:
+ memcpy(&version->otp_bd_addr, tlv->val, tlv->len);
+ break;
+ default:
+ /* Ignore rest of information */
+ break;
+ }
+ /* consume the current tlv and move to next*/
+ skb_pull(skb, tlv->len + sizeof(*tlv));
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_read_version_tlv);
+
/* ------- REGMAP IBT SUPPORT ------- */
#define IBT_REG_MODE_8BIT 0x00
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 08e2060..829e1fc 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -6,6 +6,72 @@
* Copyright (C) 2015 Intel Corporation
*/
+/* List of tlv type */
+enum {
+ INTEL_TLV_CNVI_TOP = 0x10,
+ INTEL_TLV_CNVR_TOP,
+ INTEL_TLV_CNVI_BT,
+ INTEL_TLV_CNVR_BT,
+ INTEL_TLV_CNVI_OTP,
+ INTEL_TLV_CNVR_OTP,
+ INTEL_TLV_DEV_REV_ID,
+ INTEL_TLV_USB_VENDOR_ID,
+ INTEL_TLV_USB_PRODUCT_ID,
+ INTEL_TLV_PCIE_VENDOR_ID,
+ INTEL_TLV_PCIE_DEVICE_ID,
+ INTEL_TLV_PCIE_SUBSYSTEM_ID,
+ INTEL_TLV_IMAGE_TYPE,
+ INTEL_TLV_TIME_STAMP,
+ INTEL_TLV_BUILD_TYPE,
+ INTEL_TLV_BUILD_NUM,
+ INTEL_TLV_FW_BUILD_PRODUCT,
+ INTEL_TLV_FW_BUILD_HW,
+ INTEL_TLV_FW_STEP,
+ INTEL_TLV_BT_SPEC,
+ INTEL_TLV_MFG_NAME,
+ INTEL_TLV_HCI_REV,
+ INTEL_TLV_LMP_SUBVER,
+ INTEL_TLV_OTP_PATCH_VER,
+ INTEL_TLV_SECURE_BOOT,
+ INTEL_TLV_KEY_FROM_HDR,
+ INTEL_TLV_OTP_LOCK,
+ INTEL_TLV_API_LOCK,
+ INTEL_TLV_DEBUG_LOCK,
+ INTEL_TLV_MIN_FW,
+ INTEL_TLV_LIMITED_CCE,
+ INTEL_TLV_SBE_TYPE,
+ INTEL_TLV_OTP_BDADDR,
+ INTEL_TLV_UNLOCKED_STATE
+};
+
+struct intel_tlv {
+ u8 type;
+ u8 len;
+ u8 val[0];
+} __packed;
+
+struct intel_version_tlv {
+ u32 cnvi_top;
+ u32 cnvr_top;
+ u32 cnvi_bt;
+ u32 cnvr_bt;
+ u16 dev_rev_id;
+ u8 img_type;
+ u16 timestamp;
+ u8 build_type;
+ u32 build_num;
+ u8 secure_boot;
+ u8 otp_lock;
+ u8 api_lock;
+ u8 debug_lock;
+ u8 min_fw_build_nn;
+ u8 min_fw_build_cw;
+ u8 min_fw_build_yy;
+ u8 limited_cce;
+ u8 sbe_type;
+ bdaddr_t otp_bd_addr;
+};
+
struct intel_version {
u8 status;
u8 hw_platform;
@@ -77,12 +143,14 @@ int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
void btintel_hw_error(struct hci_dev *hdev, u8 code);
void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
+void btintel_version_info_tlv(struct hci_dev *hdev, struct intel_version_tlv *version);
int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
const void *param);
int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
+int btintel_read_version_tlv(struct hci_dev *hdev, struct intel_version_tlv *ver);
struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
u16 opcode_write);
@@ -137,6 +205,11 @@ static inline void btintel_version_info(struct hci_dev *hdev,
{
}
+static inline void btintel_version_info_tlv(struct hci_dev *hdev,
+ struct intel_version_tlv *version)
+{
+}
+
static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
u32 plen, const void *param)
{
@@ -165,6 +238,12 @@ static inline int btintel_read_version(struct hci_dev *hdev,
return -EOPNOTSUPP;
}
+static inline int btintel_read_version_tlv(struct hci_dev *hdev,
+ struct intel_version_tlv *ver)
+{
+ return -EOPNOTSUPP;
+}
+
static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
u16 opcode_read,
u16 opcode_write)
--
2.7.4
