| /* |
| * |
| * 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); |
| bool hci_uart_has_flow_control(struct hci_uart *hu); |
| 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 |