/* * * Bluetooth HCI UART driver * * Copyright (C) 2000-2001 Qualcomm Incorporated * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> * * * 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 * */ #ifndef N_HCI #define N_HCI 15 #endif /* Ioctls */ #define HCIUARTSETPROTO _IOW('U', 200, int) #define HCIUARTGETPROTO _IOR('U', 201, int) #define HCIUARTGETDEVICE _IOR('U', 202, int) #define HCIUARTSETFLAGS _IOW('U', 203, int) #define HCIUARTGETFLAGS _IOR('U', 204, int) /* UART protocols */ #define HCI_UART_MAX_PROTO 12 #define HCI_UART_H4 0 #define HCI_UART_BCSP 1 #define HCI_UART_3WIRE 2 #define HCI_UART_H4DS 3 #define HCI_UART_LL 4 #define HCI_UART_ATH3K 5 #define HCI_UART_INTEL 6 #define HCI_UART_BCM 7 #define HCI_UART_QCA 8 #define HCI_UART_AG6XX 9 #define HCI_UART_NOKIA 10 #define HCI_UART_MRVL 11 #define HCI_UART_RAW_DEVICE 0 #define HCI_UART_RESET_ON_INIT 1 #define HCI_UART_CREATE_AMP 2 #define HCI_UART_INIT_PENDING 3 #define HCI_UART_EXT_CONFIG 4 #define HCI_UART_VND_DETECT 5 struct hci_uart; struct serdev_device; struct hci_uart_proto { unsigned int id; const char *name; unsigned int manufacturer; unsigned int init_speed; unsigned int oper_speed; int (*open)(struct hci_uart *hu); int (*close)(struct hci_uart *hu); int (*flush)(struct hci_uart *hu); int (*setup)(struct hci_uart *hu); int (*set_baudrate)(struct hci_uart *hu, unsigned int speed); int (*recv)(struct hci_uart *hu, const void *data, int len); int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); struct sk_buff *(*dequeue)(struct hci_uart *hu); }; struct hci_uart { struct tty_struct *tty; struct serdev_device *serdev; struct hci_dev *hdev; unsigned long flags; unsigned long hdev_flags; struct work_struct init_ready; struct work_struct write_work; const struct hci_uart_proto *proto; struct percpu_rw_semaphore proto_lock; /* Stop work for proto close */ void *priv; struct sk_buff *tx_skb; unsigned long tx_state; unsigned int init_speed; unsigned int oper_speed; u8 alignment; u8 padding; }; /* HCI_UART proto flag bits */ #define HCI_UART_PROTO_SET 0 #define HCI_UART_REGISTERED 1 #define HCI_UART_PROTO_READY 2 /* TX states */ #define HCI_UART_SENDING 1 #define HCI_UART_TX_WAKEUP 2 int hci_uart_register_proto(const struct hci_uart_proto *p); int hci_uart_unregister_proto(const struct hci_uart_proto *p); int hci_uart_register_device(struct hci_uart *hu, const struct hci_uart_proto *p); void hci_uart_unregister_device(struct hci_uart *hu); int hci_uart_tx_wakeup(struct hci_uart *hu); int hci_uart_init_ready(struct hci_uart *hu); void hci_uart_init_work(struct work_struct *work); void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, unsigned int oper_speed); #ifdef CONFIG_BT_HCIUART_H4 int h4_init(void); int h4_deinit(void); struct h4_recv_pkt { u8 type; /* Packet type */ u8 hlen; /* Header length */ u8 loff; /* Data length offset in header */ u8 lsize; /* Data length field size */ u16 maxlen; /* Max overall packet length */ int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); }; #define H4_RECV_ACL \ .type = HCI_ACLDATA_PKT, \ .hlen = HCI_ACL_HDR_SIZE, \ .loff = 2, \ .lsize = 2, \ .maxlen = HCI_MAX_FRAME_SIZE \ #define H4_RECV_SCO \ .type = HCI_SCODATA_PKT, \ .hlen = HCI_SCO_HDR_SIZE, \ .loff = 2, \ .lsize = 1, \ .maxlen = HCI_MAX_SCO_SIZE #define H4_RECV_EVENT \ .type = HCI_EVENT_PKT, \ .hlen = HCI_EVENT_HDR_SIZE, \ .loff = 1, \ .lsize = 1, \ .maxlen = HCI_MAX_EVENT_SIZE struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, const unsigned char *buffer, int count, const struct h4_recv_pkt *pkts, int pkts_count); #endif #ifdef CONFIG_BT_HCIUART_BCSP int bcsp_init(void); int bcsp_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_LL int ll_init(void); int ll_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_ATH3K int ath_init(void); int ath_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_3WIRE int h5_init(void); int h5_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_INTEL int intel_init(void); int intel_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_BCM int bcm_init(void); int bcm_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_QCA int qca_init(void); int qca_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_AG6XX int ag6xx_init(void); int ag6xx_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_MRVL int mrvl_init(void); int mrvl_deinit(void); #endif