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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Qualcomm Bluetooth USB transport-specific support
*
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#ifndef __BTUSB_QCOM_H
#define __BTUSB_QCOM_H
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/skbuff.h>
#include <linux/usb.h>
#include <net/bluetooth/hci_core.h>
#define QPERI_COMMAND_PKT 0x31
#define QPERI_ACLDATA_PKT 0x32
#define QPERI_EVENT_PKT 0x34
struct btusb_qcom {
__u16 idVendor;
__u16 idProduct;
struct usb_device *udev;
struct usb_interface *intf;
struct gpio_desc *reset_gpio;
/* serializes sending BT and vendor frames to the transport */
struct mutex tx_mutex;
void (*prepare_reset)(struct hci_dev *hdev);
int (*recv_bt_frame)(struct hci_dev *hdev, struct sk_buff *skb);
int (*send_bt_frame)(struct hci_dev *hdev, struct sk_buff *skb);
int (*send_vendor_frame)(struct hci_dev *hdev, struct sk_buff *skb);
};
#if IS_ENABLED(CONFIG_BT_HCIBTUSB_QCOM)
int btusb_qcom_hdev_priv_size(void);
struct btusb_qcom *btusb_qcom_xport_data(struct hci_dev *hdev);
int btusb_qcom_setup(struct hci_dev *hdev);
int btusb_qcom_disconnect(struct hci_dev *hdev);
int btusb_qcom_send_frame(struct hci_dev *hdev, struct sk_buff *skb);
struct sk_buff *btusb_qcom_recv_intr(struct hci_dev *hdev, struct sk_buff *skb,
void *buffer, int count, int *err);
struct sk_buff *btusb_qcom_recv_bulk(struct hci_dev *hdev, struct sk_buff *skb,
void *buffer, int count, int *err);
#else
static inline int btusb_qcom_hdev_priv_size(void)
{
return 0;
}
static inline struct btusb_qcom *btusb_qcom_xport_data(struct hci_dev *hdev)
{
return NULL;
}
static inline int btusb_qcom_setup(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btusb_qcom_disconnect(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btusb_qcom_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
return -EOPNOTSUPP;
}
static inline struct sk_buff *btusb_qcom_recv_intr(struct hci_dev *hdev,
struct sk_buff *skb,
void *buffer, int count,
int *err)
{
*err = -EOPNOTSUPP;
return NULL;
}
static inline struct sk_buff *btusb_qcom_recv_bulk(struct hci_dev *hdev,
struct sk_buff *skb,
void *buffer, int count,
int *err)
{
*err = -EOPNOTSUPP;
return NULL;
}
#endif
#endif
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