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From:   Tedd Ho-Jeong An <hj.tedd.an@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Cc:     Tedd Ho-Jeong An <tedd.an@intel.com>
Subject: [RFC PATCH v3 4/9] Bluetooth: btintel: Add btintel data struct
Date:   Sat, 24 Jul 2021 00:30:00 -0700
Message-Id: <20210724073005.714003-5-hj.tedd.an@gmail.com>
In-Reply-To: <20210724073005.714003-1-hj.tedd.an@gmail.com>
References: <20210724073005.714003-1-hj.tedd.an@gmail.com>
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From: Tedd Ho-Jeong An <tedd.an@intel.com>

This patch adds a data structure for btintel for btintel object, and the
definition of bootloder states.

Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
---
 drivers/bluetooth/btintel.c |  8 ++++++++
 drivers/bluetooth/btintel.h | 15 +++++++++++++++
 drivers/bluetooth/btusb.c   |  6 ++++--
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index cfef6d9879fe..5ad005dd6775 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1767,6 +1767,14 @@ int btintel_shutdown_combined(struct hci_dev *hdev)
 }
 EXPORT_SYMBOL_GPL(btintel_shutdown_combined);
 
+void btintel_set_flags(struct hci_dev *hdev, unsigned int flag)
+{
+	struct btintel_data *intel = hci_get_priv(hdev);
+
+	set_bit(flag, &intel->flags);
+}
+EXPORT_SYMBOL_GPL(btintel_set_flags);
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
 MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 68ffa84fa87a..df7aa30142b4 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -138,6 +138,16 @@ struct intel_debug_features {
 #define INTEL_CNVX_TOP_STEP(cnvx_top)	(((cnvx_top) & 0x0f000000) >> 24)
 #define INTEL_CNVX_TOP_PACK_SWAB(t, s)	__swab16(((__u16)(((t) << 4) | (s))))
 
+#define INTEL_BOOTLOADER		0
+#define INTEL_DOWNLOADING		1
+#define INTEL_FIRMWARE_LOADED		2
+#define INTEL_FIRMWARE_FAILED		3
+#define INTEL_BOOTING			4
+
+struct btintel_data {
+	unsigned long flags;
+};
+
 #if IS_ENABLED(CONFIG_BT_INTEL)
 
 int btintel_check_bdaddr(struct hci_dev *hdev);
@@ -167,6 +177,7 @@ int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
 			      const struct firmware *fw, u32 *boot_param);
 int btintel_setup_combined(struct hci_dev *hdev);
 int btintel_shutdown_combined(struct hci_dev *hdev);
+void btintel_set_flags(struct hci_dev *hdev, unsigned int flag);
 int btintel_download_firmware_newgen(struct hci_dev *hdev,
 				     struct intel_version_tlv *ver,
 				     const struct firmware *fw,
@@ -295,6 +306,10 @@ static inline int btintel_shutdown_combined(struct hci_dev *hdev)
 	return -EOPNOTSUPP;
 }
 
+static inline void btintel_set_flags(struct hci_dev *hdev, unsigned int flag)
+{
+}
+
 static inline int btintel_download_firmware_newgen(struct hci_dev *hdev,
 						   const struct firmware *fw,
 						   u32 *boot_param,
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f19d438affcb..1ad066ef06f7 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4118,7 +4118,7 @@ static int btusb_probe(struct usb_interface *intf,
 	struct btusb_data *data;
 	struct hci_dev *hdev;
 	unsigned ifnum_base;
-	int i, err;
+	int i, err, priv_size;
 
 	BT_DBG("intf %p id %p", intf, id);
 
@@ -4204,6 +4204,8 @@ static int btusb_probe(struct usb_interface *intf,
 	init_usb_anchor(&data->ctrl_anchor);
 	spin_lock_init(&data->rxlock);
 
+	priv_size = 0;
+
 	if (id->driver_info & BTUSB_INTEL_NEW) {
 		data->recv_event = btusb_recv_event_intel;
 		data->recv_bulk = btusb_recv_bulk_intel;
@@ -4213,7 +4215,7 @@ static int btusb_probe(struct usb_interface *intf,
 		data->recv_bulk = btusb_recv_bulk;
 	}
 
-	hdev = hci_alloc_dev(0);
+	hdev = hci_alloc_dev(priv_size);
 	if (!hdev)
 		return -ENOMEM;
 
-- 
2.26.3