// SPDX-License-Identifier: GPL-2.0-or-later /* * * Generic Bluetooth USB driver * * Copyright (C) 2005-2008 Marcel Holtmann <[email protected]> */ #include <linux/dmi.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/usb/quirks.h> #include <linux/firmware.h> #include <linux/iopoll.h> #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/suspend.h> #include <linux/gpio/consumer.h> #include <linux/debugfs.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include "btintel.h" #include "btbcm.h" #include "btrtl.h" #include "btmtk.h" #define VERSION … static bool disable_scofix; static bool force_scofix; static bool enable_autosuspend = … IS_ENABLED(…); static bool enable_poll_sync = … IS_ENABLED(…); static bool reset = …; static struct usb_driver btusb_driver; #define BTUSB_IGNORE … #define BTUSB_DIGIANSWER … #define BTUSB_CSR … #define BTUSB_SNIFFER … #define BTUSB_BCM92035 … #define BTUSB_BROKEN_ISOC … #define BTUSB_WRONG_SCO_MTU … #define BTUSB_ATH3012 … #define BTUSB_INTEL_COMBINED … #define BTUSB_INTEL_BOOT … #define BTUSB_BCM_PATCHRAM … #define BTUSB_MARVELL … #define BTUSB_SWAVE … #define BTUSB_AMP … #define BTUSB_QCA_ROME … #define BTUSB_BCM_APPLE … #define BTUSB_REALTEK … #define BTUSB_BCM2045 … #define BTUSB_IFNUM_2 … #define BTUSB_CW6622 … #define BTUSB_MEDIATEK … #define BTUSB_WIDEBAND_SPEECH … #define BTUSB_VALID_LE_STATES … #define BTUSB_QCA_WCN6855 … #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED … #define BTUSB_INTEL_BROKEN_INITIAL_NCMD … #define BTUSB_INTEL_NO_WBS_SUPPORT … #define BTUSB_ACTIONS_SEMI … static const struct usb_device_id btusb_table[] = …; MODULE_DEVICE_TABLE(usb, btusb_table); static const struct usb_device_id quirks_table[] = …; /* The Bluetooth USB module build into some devices needs to be reset on resume, * this is a problem with the platform (likely shutting off all power) not with * the module itself. So we use a DMI list to match known broken platforms. */ static const struct dmi_system_id btusb_needs_reset_resume_table[] = …; struct qca_dump_info { … }; #define BTUSB_MAX_ISOC_FRAMES … #define BTUSB_INTR_RUNNING … #define BTUSB_BULK_RUNNING … #define BTUSB_ISOC_RUNNING … #define BTUSB_SUSPENDING … #define BTUSB_DID_ISO_RESUME … #define BTUSB_BOOTLOADER … #define BTUSB_DOWNLOADING … #define BTUSB_FIRMWARE_LOADED … #define BTUSB_FIRMWARE_FAILED … #define BTUSB_BOOTING … #define BTUSB_DIAG_RUNNING … #define BTUSB_OOB_WAKE_ENABLED … #define BTUSB_HW_RESET_ACTIVE … #define BTUSB_TX_WAIT_VND_EVT … #define BTUSB_WAKEUP_AUTOSUSPEND … #define BTUSB_USE_ALT3_FOR_WBS … #define BTUSB_ALT6_CONTINUOUS_TX … #define BTUSB_HW_SSR_ACTIVE … struct btusb_data { … }; static void btusb_reset(struct hci_dev *hdev) { … } static void btusb_intel_cmd_timeout(struct hci_dev *hdev) { … } #define RTK_DEVCOREDUMP_CODE_MEMDUMP … #define RTK_DEVCOREDUMP_CODE_HW_ERR … #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT … #define RTK_SUB_EVENT_CODE_COREDUMP … struct rtk_dev_coredump_hdr { … } __packed; static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) { … } static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) { … } static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) { … } static void btusb_qca_cmd_timeout(struct hci_dev *hdev) { … } static inline void btusb_free_frags(struct btusb_data *data) { … } static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) { … } static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) { … } static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) { … } static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) { … } static bool btusb_validate_sco_handle(struct hci_dev *hdev, struct hci_sco_hdr *hdr) { … } static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) { … } static void btusb_intr_complete(struct urb *urb) { … } static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) { … } static void btusb_bulk_complete(struct urb *urb) { … } static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) { … } static void btusb_isoc_complete(struct urb *urb) { … } static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, int mtu, struct btusb_data *data) { … } static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) { … } static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) { … } static void btusb_diag_complete(struct urb *urb) { … } static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) { … } static void btusb_tx_complete(struct urb *urb) { … } static void btusb_isoc_tx_complete(struct urb *urb) { … } static int btusb_open(struct hci_dev *hdev) { … } static void btusb_stop_traffic(struct btusb_data *data) { … } static int btusb_close(struct hci_dev *hdev) { … } static int btusb_flush(struct hci_dev *hdev) { … } static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) { … } static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) { … } static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) { … } static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) { … } static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) { … } static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) { … } static void btusb_notify(struct hci_dev *hdev, unsigned int evt) { … } static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) { … } static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) { … } static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, int alt) { … } static void btusb_work(struct work_struct *work) { … } static void btusb_waker(struct work_struct *work) { … } static void btusb_rx_work(struct work_struct *work) { … } static int btusb_setup_bcm92035(struct hci_dev *hdev) { … } static int btusb_setup_csr(struct hci_dev *hdev) { … } static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) { … } static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, int count) { … } static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) { … } static int btusb_setup_realtek(struct hci_dev *hdev) { … } static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) { … } static void btusb_mtk_claim_iso_intf(struct btusb_data *data) { … } static void btusb_mtk_release_iso_intf(struct btusb_data *data) { … } static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) { … } static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) { … } static int btusb_mtk_setup(struct hci_dev *hdev) { … } static int btusb_mtk_shutdown(struct hci_dev *hdev) { … } #ifdef CONFIG_PM /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ static int marvell_config_oob_wake(struct hci_dev *hdev) { … } #endif static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, const bdaddr_t *bdaddr) { … } static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, const bdaddr_t *bdaddr) { … } static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, const bdaddr_t *bdaddr) { … } #define QCA_MEMDUMP_ACL_HANDLE … #define QCA_MEMDUMP_SIZE_MAX … #define QCA_MEMDUMP_VSE_CLASS … #define QCA_MEMDUMP_MSG_TYPE … #define QCA_MEMDUMP_PKT_SIZE … #define QCA_LAST_SEQUENCE_NUM … struct qca_dump_hdr { … } __packed; static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) { … } static void btusb_coredump_qca(struct hci_dev *hdev) { … } /* * ==0: not a dump pkt. * < 0: fails to handle a dump pkt * > 0: otherwise. */ static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) { … } static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) { … } static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) { … } #define QCA_DFU_PACKET_LEN … #define QCA_GET_TARGET_VERSION … #define QCA_CHECK_STATUS … #define QCA_DFU_DOWNLOAD … #define QCA_SYSCFG_UPDATED … #define QCA_PATCH_UPDATED … #define QCA_DFU_TIMEOUT … #define QCA_FLAG_MULTI_NVM … #define QCA_BT_RESET_WAIT_MS … #define WCN6855_2_0_RAM_VERSION_GF … #define WCN6855_2_1_RAM_VERSION_GF … struct qca_version { … } __packed; struct qca_rampatch_version { … } __packed; struct qca_device_info { … }; static const struct qca_device_info qca_devices_table[] = …; static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, void *data, u16 size) { … } static int btusb_setup_qca_download_fw(struct hci_dev *hdev, const struct firmware *firmware, size_t hdr_size) { … } static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, struct qca_version *ver, const struct qca_device_info *info) { … } static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, const struct qca_version *ver) { … } static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, struct qca_version *ver, const struct qca_device_info *info) { … } /* identify the ROM version and check whether patches are needed */ static bool btusb_qca_need_patch(struct usb_device *udev) { … } static int btusb_setup_qca(struct hci_dev *hdev) { … } static inline int __set_diag_interface(struct hci_dev *hdev) { … } static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) { … } static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) { … } #ifdef CONFIG_PM static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) { … } static const struct of_device_id btusb_match_table[] = …; MODULE_DEVICE_TABLE(of, btusb_match_table); /* Use an oob wakeup pin? */ static int btusb_config_oob_wake(struct hci_dev *hdev) { … } #endif static void btusb_check_needs_reset_resume(struct usb_interface *intf) { … } static bool btusb_wakeup(struct hci_dev *hdev) { … } static int btusb_shutdown_qca(struct hci_dev *hdev) { … } static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { … } static ssize_t force_poll_sync_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { … } static const struct file_operations force_poll_sync_fops = …; static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static void btusb_disconnect(struct usb_interface *intf) { … } #ifdef CONFIG_PM static int btusb_suspend(struct usb_interface *intf, pm_message_t message) { … } static void play_deferred(struct btusb_data *data) { … } static int btusb_resume(struct usb_interface *intf) { … } #endif #ifdef CONFIG_DEV_COREDUMP static void btusb_coredump(struct device *dev) { … } #endif static struct usb_driver btusb_driver = …; module_usb_driver(…) …; module_param(disable_scofix, bool, 0644); MODULE_PARM_DESC(…) …; module_param(force_scofix, bool, 0644); MODULE_PARM_DESC(…) …; module_param(enable_autosuspend, bool, 0644); MODULE_PARM_DESC(…) …; module_param(reset, bool, 0644); MODULE_PARM_DESC(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_VERSION(…); MODULE_LICENSE(…) …;
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