/* * * Realtek Bluetooth USB driver * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CONFIG_BLUEDROID 1 //bleuz 0 ; bluedroid 1 #if CONFIG_BLUEDROID //for 4.2 #else //for blueZ #include #include #include #endif /*********************************** ** Realtek - For rtk_btusb driver ** ***********************************/ #define BTUSB_RPM 0* USB_RPM // 1 SS enable; 0 SS disable #define LOAD_CONFIG 0 // set 1 if need to reconfig bt efuse #define URB_CANCELING_DELAY_MS 10 // Added by Realtek //when os suspend, module is still powered,usb is not powered, //this may set to 1 ,and must comply with special patch code #define CONFIG_RESET_RESUME 1 #define PRINT_CMD_EVENT 0 #define PRINT_ACL_DATA 0 #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 33) #define HDEV_BUS hdev->bus #define USB_RPM 1 #else #define HDEV_BUS hdev->type #define USB_RPM 0 #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38) #define NUM_REASSEMBLY 3 #endif #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0) #define GET_DRV_DATA(x) hci_get_drvdata(x) #else #define GET_DRV_DATA(x) x->driver_data #endif static int patch_add(struct usb_interface* intf); static void patch_remove(struct usb_interface* intf); static int download_patch(struct usb_interface* intf); static int set_btoff(struct usb_interface* intf); static void print_event(struct sk_buff *skb); static void print_command(struct sk_buff *skb); static void print_acl (struct sk_buff *skb,int dataOut); #define BTUSB_MAX_ISOC_FRAMES 10 #define BTUSB_INTR_RUNNING 0 #define BTUSB_BULK_RUNNING 1 #define BTUSB_ISOC_RUNNING 2 #define BTUSB_SUSPENDING 3 #define BTUSB_DID_ISO_RESUME 4 struct btusb_data { struct hci_dev *hdev; struct usb_device *udev; struct usb_interface *intf; struct usb_interface *isoc; spinlock_t lock; unsigned long flags; struct work_struct work; struct work_struct waker; struct usb_anchor tx_anchor; struct usb_anchor intr_anchor; struct usb_anchor bulk_anchor; struct usb_anchor isoc_anchor; struct usb_anchor deferred; int tx_in_flight; spinlock_t txlock; struct usb_endpoint_descriptor *intr_ep; struct usb_endpoint_descriptor *bulk_tx_ep; struct usb_endpoint_descriptor *bulk_rx_ep; struct usb_endpoint_descriptor *isoc_tx_ep; struct usb_endpoint_descriptor *isoc_rx_ep; __u8 cmdreq_type; unsigned int sco_num; int isoc_altsetting; int suspend_count; #if CONFIG_BLUEDROID //for 4.2 wait_queue_head_t read_wait; struct sk_buff_head readq; #endif }; /* Realtek - For rtk_btusb driver end */ //======================================================================== #if CONFIG_BLUEDROID //for 4.2 #define SUCCESS 0 /* Linux success code */ #define ERROR -1 /* Linux error code */ #define QUEUE_SIZE 500 static int btfcd_init(void); static void btfcd_exit(void); static int btfcd_open(struct inode *inode_p, struct file *file_p); static int btfcd_close(struct inode *inode_p, struct file *file_p); static ssize_t btfcd_read(struct file *file_p, char *buf_p, size_t count, loff_t *pos_p); static ssize_t btfcd_write(struct file *file_p, const char *buf_p, size_t count, loff_t *pos_p); static unsigned int btfcd_poll(struct file *file, poll_table *wait); /***************************************** ** Realtek - Integrate from bluetooth.h ** *****************************************/ /* Reserv for core and drivers use */ #define BT_SKB_RESERVE 8 /* BD Address */ typedef struct { __u8 b[6]; } __packed bdaddr_t; /* Skb helpers */ struct bt_skb_cb { __u8 pkt_type; __u8 incoming; __u16 expect; __u16 tx_seq; __u8 retries; __u8 sar; __u8 force_active; }; #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb)) static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how) { struct sk_buff *skb; if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) { skb_reserve(skb, BT_SKB_RESERVE); bt_cb(skb)->incoming = 0; } return skb; } /* Realtek - Integrate from bluetooth.h end */ /*********************************** ** Realtek - Integrate from hci.h ** ***********************************/ #define HCI_MAX_ACL_SIZE 1024 #define HCI_MAX_SCO_SIZE 255 #define HCI_MAX_EVENT_SIZE 260 #define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4) /* HCI bus types */ #define HCI_VIRTUAL 0 #define HCI_USB 1 #define HCI_PCCARD 2 #define HCI_UART 3 #define HCI_RS232 4 #define HCI_PCI 5 #define HCI_SDIO 6 /* HCI controller types */ #define HCI_BREDR 0x00 #define HCI_AMP 0x01 /* HCI device flags */ enum { HCI_UP, HCI_INIT, HCI_RUNNING, HCI_PSCAN, HCI_ISCAN, HCI_AUTH, HCI_ENCRYPT, HCI_INQUIRY, HCI_RAW, HCI_RESET, }; /* * BR/EDR and/or LE controller flags: the flags defined here should represent * states from the controller. */ enum { HCI_SETUP, HCI_AUTO_OFF, HCI_MGMT, HCI_PAIRABLE, HCI_SERVICE_CACHE, HCI_LINK_KEYS, HCI_DEBUG_KEYS, HCI_UNREGISTER, HCI_LE_SCAN, HCI_SSP_ENABLED, HCI_HS_ENABLED, HCI_LE_ENABLED, HCI_CONNECTABLE, HCI_DISCOVERABLE, HCI_LINK_SECURITY, HCI_PENDING_CLASS, }; /* HCI data types */ #define HCI_COMMAND_PKT 0x01 #define HCI_ACLDATA_PKT 0x02 #define HCI_SCODATA_PKT 0x03 #define HCI_EVENT_PKT 0x04 #define HCI_VENDOR_PKT 0xff #define HCI_MAX_NAME_LENGTH 248 #define HCI_MAX_EIR_LENGTH 240 #define HCI_OP_READ_LOCAL_VERSION 0x1001 struct hci_rp_read_local_version { __u8 status; __u8 hci_ver; __le16 hci_rev; __u8 lmp_ver; __le16 manufacturer; __le16 lmp_subver; } __packed; #define HCI_EV_CMD_COMPLETE 0x0e struct hci_ev_cmd_complete { __u8 ncmd; __le16 opcode; } __packed; /* ---- HCI Packet structures ---- */ #define HCI_COMMAND_HDR_SIZE 3 #define HCI_EVENT_HDR_SIZE 2 #define HCI_ACL_HDR_SIZE 4 #define HCI_SCO_HDR_SIZE 3 struct hci_command_hdr { __le16 opcode; /* OCF & OGF */ __u8 plen; } __packed; struct hci_event_hdr { __u8 evt; __u8 plen; } __packed; struct hci_acl_hdr { __le16 handle; /* Handle & Flags(PB, BC) */ __le16 dlen; } __packed; struct hci_sco_hdr { __le16 handle; __u8 dlen; } __packed; static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb) { return (struct hci_event_hdr *) skb->data; } static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb) { return (struct hci_acl_hdr *) skb->data; } static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) { return (struct hci_sco_hdr *) skb->data; } /* ---- HCI Ioctl requests structures ---- */ struct hci_dev_stats { __u32 err_rx; __u32 err_tx; __u32 cmd_tx; __u32 evt_rx; __u32 acl_tx; __u32 acl_rx; __u32 sco_tx; __u32 sco_rx; __u32 byte_rx; __u32 byte_tx; }; /* Realtek - Integrate from hci.h end */ /***************************************** ** Realtek - Integrate from hci_core.h ** *****************************************/ struct hci_conn_hash { struct list_head list; unsigned int acl_num; unsigned int sco_num; unsigned int le_num; }; #define HCI_MAX_SHORT_NAME_LENGTH 10 #define NUM_REASSEMBLY 4 struct hci_dev { struct mutex lock; char name[8]; unsigned long flags; __u16 id; __u8 bus; __u8 dev_type; struct sk_buff *reassembly[NUM_REASSEMBLY]; struct hci_conn_hash conn_hash; struct hci_dev_stats stat; #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) atomic_t refcnt; struct module *owner; void *driver_data; #endif atomic_t promisc; struct device *parent; struct device dev; unsigned long dev_flags; int (*open)(struct hci_dev *hdev); int (*close)(struct hci_dev *hdev); int (*flush)(struct hci_dev *hdev); int (*send)(struct sk_buff *skb); #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) void (*destruct)(struct hci_dev *hdev); #endif void (*notify)(struct hci_dev *hdev, unsigned int evt); int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); }; #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) { atomic_inc(&d->refcnt); return d; } static inline void __hci_dev_put(struct hci_dev *d) { if (atomic_dec_and_test(&d->refcnt)) d->destruct(d); } #endif static inline void *hci_get_drvdata(struct hci_dev *hdev) { return dev_get_drvdata(&hdev->dev); } static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) { dev_set_drvdata(&hdev->dev, data); } struct hci_dev *hci_dev_get(int index); struct hci_dev *hci_alloc_dev(void); void hci_free_dev(struct hci_dev *hdev); int hci_register_dev(struct hci_dev *hdev); void hci_unregister_dev(struct hci_dev *hdev); int hci_dev_open(__u16 dev); int hci_dev_close(__u16 dev); int hci_recv_frame(struct sk_buff *skb); int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) /* Realtek - Integrate from hci_core.h end */ /* ----- HCI Commands ---- */ #define HCI_OP_INQUIRY 0x0401 #define HCI_OP_INQUIRY_CANCEL 0x0402 #define HCI_OP_EXIT_PERIODIC_INQ 0x0404 #define HCI_OP_CREATE_CONN 0x0405 #define HCI_OP_ADD_SCO 0x0407 #define HCI_OP_CREATE_CONN_CANCEL 0x0408 #define HCI_OP_ACCEPT_CONN_REQ 0x0409 #define HCI_OP_REJECT_CONN_REQ 0x040a #define HCI_OP_LINK_KEY_REPLY 0x040b #define HCI_OP_LINK_KEY_NEG_REPLY 0x040c #define HCI_OP_PIN_CODE_REPLY 0x040d #define HCI_OP_PIN_CODE_NEG_REPLY 0x040e #define HCI_OP_CHANGE_CONN_PTYPE 0x040f #define HCI_OP_AUTH_REQUESTED 0x0411 #define HCI_OP_SET_CONN_ENCRYPT 0x0413 #define HCI_OP_CHANGE_CONN_LINK_KEY 0x0415 #define HCI_OP_REMOTE_NAME_REQ 0x0419 #define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a #define HCI_OP_READ_REMOTE_FEATURES 0x041b #define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c #define HCI_OP_READ_REMOTE_VERSION 0x041d #define HCI_OP_SETUP_SYNC_CONN 0x0428 #define HCI_OP_ACCEPT_SYNC_CONN_REQ 0x0429 #define HCI_OP_REJECT_SYNC_CONN_REQ 0x042a #define HCI_OP_SNIFF_MODE 0x0803 #define HCI_OP_EXIT_SNIFF_MODE 0x0804 #define HCI_OP_ROLE_DISCOVERY 0x0809 #define HCI_OP_SWITCH_ROLE 0x080b #define HCI_OP_READ_LINK_POLICY 0x080c #define HCI_OP_WRITE_LINK_POLICY 0x080d #define HCI_OP_READ_DEF_LINK_POLICY 0x080e #define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f #define HCI_OP_SNIFF_SUBRATE 0x0811 #define HCI_OP_SET_EVENT_MASK 0x0c01 #define HCI_OP_RESET 0x0c03 #define HCI_OP_SET_EVENT_FLT 0x0c05 /* ----- HCI events---- */ #define HCI_OP_DISCONNECT 0x0406 #define HCI_EV_INQUIRY_COMPLETE 0x01 #define HCI_EV_INQUIRY_RESULT 0x02 #define HCI_EV_CONN_COMPLETE 0x03 #define HCI_EV_CONN_REQUEST 0x04 #define HCI_EV_DISCONN_COMPLETE 0x05 #define HCI_EV_AUTH_COMPLETE 0x06 #define HCI_EV_REMOTE_NAME 0x07 #define HCI_EV_ENCRYPT_CHANGE 0x08 #define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09 #define HCI_EV_REMOTE_FEATURES 0x0b #define HCI_EV_REMOTE_VERSION 0x0c #define HCI_EV_QOS_SETUP_COMPLETE 0x0d #define HCI_EV_CMD_COMPLETE 0x0e #define HCI_EV_CMD_STATUS 0x0f #define HCI_EV_ROLE_CHANGE 0x12 #define HCI_EV_NUM_COMP_PKTS 0x13 #define HCI_EV_MODE_CHANGE 0x14 #define HCI_EV_PIN_CODE_REQ 0x16 #define HCI_EV_LINK_KEY_REQ 0x17 #define HCI_EV_LINK_KEY_NOTIFY 0x18 #define HCI_EV_CLOCK_OFFSET 0x1c #define HCI_EV_PKT_TYPE_CHANGE 0x1d #define HCI_EV_PSCAN_REP_MODE 0x20 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22 #define HCI_EV_REMOTE_EXT_FEATURES 0x23 #define HCI_EV_SYNC_CONN_COMPLETE 0x2c #define HCI_EV_SYNC_CONN_CHANGED 0x2d #define HCI_EV_SNIFF_SUBRATE 0x2e #define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f #define HCI_EV_IO_CAPA_REQUEST 0x31 #define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36 #define HCI_EV_REMOTE_HOST_FEATURES 0x3d #endif //if bluedroid 4.2