| | 1 | /* |
| | 2 | * |
| | 3 | * Bluetooth HCI UART driver |
| | 4 | * |
| | 5 | * Copyright (C) 2000-2001 Qualcomm Incorporated |
| | 6 | * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> |
| | 7 | * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> |
| | 8 | * |
| | 9 | * |
| | 10 | * This program is free software; you can redistribute it and/or modify |
| | 11 | * it under the terms of the GNU General Public License as published by |
| | 12 | * the Free Software Foundation; either version 2 of the License, or |
| | 13 | * (at your option) any later version. |
| | 14 | * |
| | 15 | * This program is distributed in the hope that it will be useful, |
| | 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 18 | * GNU General Public License for more details. |
| | 19 | * |
| | 20 | * You should have received a copy of the GNU General Public License |
| | 21 | * along with this program; if not, write to the Free Software |
| | 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| | 23 | * |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef N_HCI |
| | 27 | #define N_HCI 15 |
| | 28 | #endif |
| | 29 | |
| | 30 | /* Ioctls */ |
| | 31 | #define HCIUARTSETPROTO _IOW('U', 200, int) |
| | 32 | #define HCIUARTGETPROTO _IOR('U', 201, int) |
| | 33 | #define HCIUARTGETDEVICE _IOR('U', 202, int) |
| | 34 | #define HCIUARTSETFLAGS _IOW('U', 203, int) |
| | 35 | #define HCIUARTGETFLAGS _IOR('U', 204, int) |
| | 36 | |
| | 37 | /* UART protocols */ |
| | 38 | #define HCI_UART_MAX_PROTO 6 |
| | 39 | |
| | 40 | #define HCI_UART_H4 0 |
| | 41 | #define HCI_UART_BCSP 1 |
| | 42 | #define HCI_UART_3WIRE 2 |
| | 43 | #define HCI_UART_H4DS 3 |
| | 44 | #define HCI_UART_LL 4 |
| | 45 | #define HCI_UART_ATH3K 5 |
| | 46 | |
| | 47 | #define HCI_UART_RAW_DEVICE 0 |
| | 48 | #define HCI_UART_RESET_ON_INIT 1 |
| | 49 | #define HCI_UART_CREATE_AMP 2 |
| | 50 | #define HCI_UART_INIT_PENDING 3 |
| | 51 | #define HCI_UART_EXT_CONFIG 4 |
| | 52 | |
| | 53 | struct hci_uart; |
| | 54 | |
| | 55 | struct hci_uart_proto { |
| | 56 | unsigned int id; |
| | 57 | int (*open)(struct hci_uart *hu); |
| | 58 | int (*close)(struct hci_uart *hu); |
| | 59 | int (*flush)(struct hci_uart *hu); |
| | 60 | int (*recv)(struct hci_uart *hu, void *data, int len); |
| | 61 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); |
| | 62 | struct sk_buff *(*dequeue)(struct hci_uart *hu); |
| | 63 | }; |
| | 64 | |
| | 65 | struct hci_uart { |
| | 66 | struct tty_struct *tty; |
| | 67 | struct hci_dev *hdev; |
| | 68 | unsigned long flags; |
| | 69 | unsigned long hdev_flags; |
| | 70 | |
| | 71 | struct work_struct init_ready; |
| | 72 | struct work_struct write_work; |
| | 73 | |
| | 74 | struct hci_uart_proto *proto; |
| | 75 | void *priv; |
| | 76 | |
| | 77 | struct sk_buff *tx_skb; |
| | 78 | unsigned long tx_state; |
| | 79 | spinlock_t rx_lock; |
| | 80 | }; |
| | 81 | |
| | 82 | /* HCI_UART proto flag bits */ |
| | 83 | #define HCI_UART_PROTO_SET 0 |
| | 84 | #define HCI_UART_REGISTERED 1 |
| | 85 | |
| | 86 | /* TX states */ |
| | 87 | #define HCI_UART_SENDING 1 |
| | 88 | #define HCI_UART_TX_WAKEUP 2 |
| | 89 | |
| | 90 | int hci_uart_register_proto(struct hci_uart_proto *p); |
| | 91 | int hci_uart_unregister_proto(struct hci_uart_proto *p); |
| | 92 | int hci_uart_tx_wakeup(struct hci_uart *hu); |
| | 93 | int hci_uart_init_ready(struct hci_uart *hu); |
| | 94 | |
| | 95 | #ifdef CONFIG_BT_HCIUART_H4 |
| | 96 | int h4_init(void); |
| | 97 | int h4_deinit(void); |
| | 98 | #endif |
| | 99 | |
| | 100 | #ifdef CONFIG_BT_HCIUART_BCSP |
| | 101 | int bcsp_init(void); |
| | 102 | int bcsp_deinit(void); |
| | 103 | #endif |
| | 104 | |
| | 105 | #ifdef CONFIG_BT_HCIUART_LL |
| | 106 | int ll_init(void); |
| | 107 | int ll_deinit(void); |
| | 108 | #endif |
| | 109 | |
| | 110 | #ifdef CONFIG_BT_HCIUART_ATH3K |
| | 111 | int ath_init(void); |
| | 112 | int ath_deinit(void); |
| | 113 | #endif |
| | 114 | |
| | 115 | #ifdef CONFIG_BT_HCIUART_3WIRE |
| | 116 | int h5_init(void); |
| | 117 | int h5_deinit(void); |
| | 118 | #endif |
projects / mirror_ubuntu-zesty-kernel.git / blame_incremental