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9a24ce5e29
Realtek changed the format of the firmware file as v2. The driver should implement the patch to extract the firmware data from the firmware file. The future chips must apply this patch for firmware loading. This patch is compatible with the both previous format and v2 as well. Signed-off-by: Allen Chen <allen_chen@realsil.com.cn> Signed-off-by: Alex Lu <alex_lu@realsil.com.cn> Tested-by: Hilda Wu <hildawu@realtek.com> Signed-off-by: Max Chou <max.chou@realtek.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
186 lines
3.7 KiB
C
186 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Bluetooth support for Realtek devices
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*
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* Copyright (C) 2015 Endless Mobile, Inc.
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*/
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#define RTL_FRAG_LEN 252
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#define rtl_dev_err(dev, fmt, ...) bt_dev_err(dev, "RTL: " fmt, ##__VA_ARGS__)
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#define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__)
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#define rtl_dev_info(dev, fmt, ...) bt_dev_info(dev, "RTL: " fmt, ##__VA_ARGS__)
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#define rtl_dev_dbg(dev, fmt, ...) bt_dev_dbg(dev, "RTL: " fmt, ##__VA_ARGS__)
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struct btrtl_device_info;
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struct rtl_chip_type_evt {
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__u8 status;
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__u8 type;
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} __packed;
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struct rtl_download_cmd {
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__u8 index;
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__u8 data[RTL_FRAG_LEN];
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} __packed;
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struct rtl_download_response {
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__u8 status;
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__u8 index;
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} __packed;
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struct rtl_rom_version_evt {
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__u8 status;
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__u8 version;
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} __packed;
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struct rtl_epatch_header {
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__u8 signature[8];
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__le32 fw_version;
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__le16 num_patches;
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} __packed;
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struct rtl_vendor_config_entry {
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__le16 offset;
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__u8 len;
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__u8 data[];
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} __packed;
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struct rtl_vendor_config {
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__le32 signature;
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__le16 total_len;
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__u8 entry[];
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} __packed;
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struct rtl_epatch_header_v2 {
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__u8 signature[8];
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__u8 fw_version[8];
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__le32 num_sections;
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} __packed;
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struct rtl_section {
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__le32 opcode;
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__le32 len;
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u8 data[];
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} __packed;
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struct rtl_section_hdr {
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__le16 num;
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__le16 reserved;
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} __packed;
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struct rtl_common_subsec {
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__u8 eco;
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__u8 prio;
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__u8 cb[2];
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__le32 len;
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__u8 data[];
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};
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struct rtl_sec_hdr {
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__u8 eco;
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__u8 prio;
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__u8 key_id;
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__u8 reserved;
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__le32 len;
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__u8 data[];
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} __packed;
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struct rtl_subsection {
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struct list_head list;
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u32 opcode;
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u32 len;
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u8 prio;
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u8 *data;
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};
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struct rtl_iovec {
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u8 *data;
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u32 len;
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};
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struct rtl_vendor_cmd {
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__u8 param[5];
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} __packed;
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enum {
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REALTEK_ALT6_CONTINUOUS_TX_CHIP,
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__REALTEK_NUM_FLAGS,
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};
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struct btrealtek_data {
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DECLARE_BITMAP(flags, __REALTEK_NUM_FLAGS);
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};
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#define btrealtek_set_flag(hdev, nr) \
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do { \
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struct btrealtek_data *realtek = hci_get_priv((hdev)); \
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set_bit((nr), realtek->flags); \
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} while (0)
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#define btrealtek_get_flag(hdev) \
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(((struct btrealtek_data *)hci_get_priv(hdev))->flags)
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#define btrealtek_test_flag(hdev, nr) test_bit((nr), btrealtek_get_flag(hdev))
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#if IS_ENABLED(CONFIG_BT_RTL)
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struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
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const char *postfix);
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void btrtl_free(struct btrtl_device_info *btrtl_dev);
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int btrtl_download_firmware(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev);
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void btrtl_set_quirks(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev);
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int btrtl_setup_realtek(struct hci_dev *hdev);
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int btrtl_shutdown_realtek(struct hci_dev *hdev);
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int btrtl_get_uart_settings(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev,
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unsigned int *controller_baudrate,
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u32 *device_baudrate, bool *flow_control);
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#else
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static inline struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
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const char *postfix)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void btrtl_free(struct btrtl_device_info *btrtl_dev)
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{
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}
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static inline int btrtl_download_firmware(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev)
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{
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return -EOPNOTSUPP;
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}
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static inline void btrtl_set_quirks(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev)
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{
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}
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static inline int btrtl_setup_realtek(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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static inline int btrtl_shutdown_realtek(struct hci_dev *hdev)
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{
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return -EOPNOTSUPP;
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}
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static inline int btrtl_get_uart_settings(struct hci_dev *hdev,
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struct btrtl_device_info *btrtl_dev,
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unsigned int *controller_baudrate,
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u32 *device_baudrate,
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bool *flow_control)
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{
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return -ENOENT;
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}
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#endif
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