android_kernel_samsung_sm8650/drivers/bluetooth/btrtl.h
Vasily Khoruzhick 88deda7cd8 Bluetooth: btrtl: add support for the RTL8723CS
[ Upstream commit c0123cb6c4c7fc2a42ead6cd7d3e82b8e1c25c6f ]

The Realtek RTL8723CS is a SDIO WiFi chip. It also contains a Bluetooth
module which is connected via UART to the host.

It shares lmp subversion with 8703B, so Realtek's userspace
initialization tool (rtk_hciattach) differentiates varieties of RTL8723CS
(CG, VF, XX) with RTL8703B using vendor's command to read chip type.

Also this chip declares support for some features it doesn't support
so add a quirk to indicate that these features are broken.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Bastian Germann <bage@debian.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-24 17:32:39 +01:00

114 lines
2.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Bluetooth support for Realtek devices
*
* Copyright (C) 2015 Endless Mobile, Inc.
*/
#define RTL_FRAG_LEN 252
#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
struct btrtl_device_info;
struct rtl_chip_type_evt {
__u8 status;
__u8 type;
} __packed;
struct rtl_download_cmd {
__u8 index;
__u8 data[RTL_FRAG_LEN];
} __packed;
struct rtl_download_response {
__u8 status;
__u8 index;
} __packed;
struct rtl_rom_version_evt {
__u8 status;
__u8 version;
} __packed;
struct rtl_epatch_header {
__u8 signature[8];
__le32 fw_version;
__le16 num_patches;
} __packed;
struct rtl_vendor_config_entry {
__le16 offset;
__u8 len;
__u8 data[];
} __packed;
struct rtl_vendor_config {
__le32 signature;
__le16 total_len;
struct rtl_vendor_config_entry entry[];
} __packed;
#if IS_ENABLED(CONFIG_BT_RTL)
struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
const char *postfix);
void btrtl_free(struct btrtl_device_info *btrtl_dev);
int btrtl_download_firmware(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev);
void btrtl_set_quirks(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev);
int btrtl_setup_realtek(struct hci_dev *hdev);
int btrtl_shutdown_realtek(struct hci_dev *hdev);
int btrtl_get_uart_settings(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev,
unsigned int *controller_baudrate,
u32 *device_baudrate, bool *flow_control);
#else
static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
const char *postfix)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
{
}
static inline int btrtl_download_firmware(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev)
{
return -EOPNOTSUPP;
}
static inline void btrtl_set_quirks(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev)
{
}
static inline int btrtl_setup_realtek(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev,
unsigned int *controller_baudrate,
u32 *device_baudrate,
bool *flow_control)
{
return -ENOENT;
}
#endif