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authorLoic Poulain <loic.poulain@intel.com>2015-12-03 16:10:22 +0100
committerMarcel Holtmann <marcel@holtmann.org>2015-12-10 00:51:50 +0100
commit28dc4b92e20e0fd18be2d8356abf959d58c7346a (patch)
tree38967870eb36b45e689755e08ebedc93d8beec0a /drivers/bluetooth
parent1623d0bf847d3b38d8cf24367b3689ba0e3fe2aa (diff)
downloadop-kernel-dev-28dc4b92e20e0fd18be2d8356abf959d58c7346a.zip
op-kernel-dev-28dc4b92e20e0fd18be2d8356abf959d58c7346a.tar.gz
Bluetooth: btintel: Add manufacturing enter/exit helpers
Older Intel controllers need to enter manufacturing mode to perform some vendor specific operations (patching, configuration...). Add enter/exit manufaturing methods and refactor existing manufacturing code. Exit can be configured to perform a reset. Reset can be performed either with patches activated or deactivated. Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btintel.c114
-rw-r--r--drivers/bluetooth/btintel.h12
-rw-r--r--drivers/bluetooth/btusb.c54
3 files changed, 86 insertions, 94 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 1f13e61..5441047 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -73,6 +73,48 @@ int btintel_check_bdaddr(struct hci_dev *hdev)
}
EXPORT_SYMBOL_GPL(btintel_check_bdaddr);
+int btintel_enter_mfg(struct hci_dev *hdev)
+{
+ const u8 param[] = { 0x01, 0x00 };
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Entering manufacturer mode failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_enter_mfg);
+
+int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
+{
+ u8 param[] = { 0x00, 0x00 };
+ struct sk_buff *skb;
+
+ /* The 2nd command parameter specifies the manufacturing exit method:
+ * 0x00: Just disable the manufacturing mode (0x00).
+ * 0x01: Disable manufacturing mode and reset with patches deactivated.
+ * 0x02: Disable manufacturing mode and reset with patches activated.
+ */
+ if (reset)
+ param[1] |= patched ? 0x02 : 0x01;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Exiting manufacturer mode failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_exit_mfg);
+
int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
struct sk_buff *skb;
@@ -126,37 +168,19 @@ EXPORT_SYMBOL_GPL(btintel_set_diag);
int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
{
- struct sk_buff *skb;
- u8 param[2];
- int err;
-
- param[0] = 0x01;
- param[1] = 0x00;
-
- skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: Entering Intel manufacturer mode failed (%d)",
- hdev->name, err);
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ int err, ret;
- err = btintel_set_diag(hdev, enable);
+ err = btintel_enter_mfg(hdev);
+ if (err)
+ return err;
- param[0] = 0x00;
- param[1] = 0x00;
+ ret = btintel_set_diag(hdev, enable);
- skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: Leaving Intel manufacturer mode failed (%d)",
- hdev->name, err);
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ err = btintel_exit_mfg(hdev, false, false);
+ if (err)
+ return err;
- return err;
+ return ret;
}
EXPORT_SYMBOL_GPL(btintel_set_diag_mfg);
@@ -309,37 +333,19 @@ EXPORT_SYMBOL_GPL(btintel_set_event_mask);
int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
{
- struct sk_buff *skb;
- u8 param[2];
- int err;
+ int err, ret;
- param[0] = 0x01;
- param[1] = 0x00;
-
- skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: Entering Intel manufacturer mode failed (%d)",
- hdev->name, err);
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
-
- err = btintel_set_event_mask(hdev, debug);
+ err = btintel_enter_mfg(hdev);
+ if (err)
+ return err;
- param[0] = 0x00;
- param[1] = 0x00;
+ ret = btintel_set_event_mask(hdev, debug);
- skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: Leaving Intel manufacturer mode failed (%d)",
- hdev->name, err);
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ err = btintel_exit_mfg(hdev, false, false);
+ if (err)
+ return err;
- return err;
+ return ret;
}
EXPORT_SYMBOL_GPL(btintel_set_event_mask_mfg);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 07e58e0..fa72eae 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -72,6 +72,8 @@ struct intel_secure_send_result {
#if IS_ENABLED(CONFIG_BT_INTEL)
int btintel_check_bdaddr(struct hci_dev *hdev);
+int btintel_enter_mfg(struct hci_dev *hdev);
+int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int btintel_set_diag(struct hci_dev *hdev, bool enable);
int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
@@ -94,6 +96,16 @@ static inline int btintel_check_bdaddr(struct hci_dev *hdev)
return -EOPNOTSUPP;
}
+static inline int btintel_enter_mfg(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
return -EOPNOTSUPP;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 25beb3a..6e141cd 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1646,14 +1646,9 @@ static int btusb_setup_intel(struct hci_dev *hdev)
struct sk_buff *skb;
const struct firmware *fw;
const u8 *fw_ptr;
- int disable_patch;
+ int disable_patch, err;
struct intel_version *ver;
- const u8 mfg_enable[] = { 0x01, 0x00 };
- const u8 mfg_disable[] = { 0x00, 0x00 };
- const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
- const u8 mfg_reset_activate[] = { 0x00, 0x02 };
-
BT_DBG("%s", hdev->name);
/* The controller has a bug with the first HCI command sent to it
@@ -1725,22 +1720,16 @@ static int btusb_setup_intel(struct hci_dev *hdev)
kfree_skb(skb);
- /* This Intel specific command enables the manufacturer mode of the
- * controller.
- *
+ /* Enable the manufacturer mode of the controller.
* Only while this mode is enabled, the driver can download the
* firmware patch data and configuration parameters.
*/
- skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
- hdev->name, PTR_ERR(skb));
+ err = btintel_enter_mfg(hdev);
+ if (err) {
release_firmware(fw);
- return PTR_ERR(skb);
+ return err;
}
- kfree_skb(skb);
-
disable_patch = 1;
/* The firmware data file consists of list of Intel specific HCI
@@ -1780,14 +1769,9 @@ static int btusb_setup_intel(struct hci_dev *hdev)
/* Patching completed successfully and disable the manufacturer mode
* with reset and activate the downloaded firmware patches.
*/
- skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
- mfg_reset_activate, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
- hdev->name, PTR_ERR(skb));
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ err = btintel_exit_mfg(hdev, true, true);
+ if (err)
+ return err;
BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
hdev->name);
@@ -1796,14 +1780,9 @@ static int btusb_setup_intel(struct hci_dev *hdev)
exit_mfg_disable:
/* Disable the manufacturer mode without reset */
- skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
- HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
- hdev->name, PTR_ERR(skb));
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ err = btintel_exit_mfg(hdev, false, false);
+ if (err)
+ return err;
BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
@@ -1815,14 +1794,9 @@ exit_mfg_deactivate:
/* Patching failed. Disable the manufacturer mode with reset and
* deactivate the downloaded firmware patches.
*/
- skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
- mfg_reset_deactivate, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
- hdev->name, PTR_ERR(skb));
- return PTR_ERR(skb);
- }
- kfree_skb(skb);
+ err = btintel_exit_mfg(hdev, true, false);
+ if (err)
+ return err;
BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
hdev->name);
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