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drivers
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bluetooth
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hci_uart.h

hci_uart.h 2.2 KB
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  1. /*
    2. 

  2.  *
    3. 

  3.  *  Bluetooth HCI UART driver
    4. 

  4.  *
    5. 

  5.  *  Copyright (C) 2000-2001  Qualcomm Incorporated
    6. 

  6.  *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
    7. 

  7.  *  Copyright (C) 2004-2005  Marcel Holtmann <marcel@holtmann.org>
    8. 

  8.  *
    9. 

  9.  *
    10. 

  10.  *  This program is free software; you can redistribute it and/or modify
    11. 

  11.  *  it under the terms of the GNU General Public License as published by
    12. 

  12.  *  the Free Software Foundation; either version 2 of the License, or
    13. 

  13.  *  (at your option) any later version.
    14. 

  14.  *
    15. 

  15.  *  This program is distributed in the hope that it will be useful,
    16. 

  16.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    17. 

  17.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    18. 

  18.  *  GNU General Public License for more details.
    19. 

  19.  *
    20. 

  20.  *  You should have received a copy of the GNU General Public License
    21. 

  21.  *  along with this program; if not, write to the Free Software
    22. 

  22.  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    23. 

  23.  *
    24. 

  24.  */
    25. 

  25. 

  26. #ifndef N_HCI
    27. 

  27. #define N_HCI	15
    28. 

  28. #endif
    29. 

  29. 

  30. /* Ioctls */
    31. 

  31. #define HCIUARTSETPROTO	_IOW('U', 200, int)
    32. 

  32. #define HCIUARTGETPROTO	_IOR('U', 201, int)
    33. 

  33. 

  34. /* UART protocols */
    35. 

  35. #define HCI_UART_MAX_PROTO	4
    36. 

  36. 

  37. #define HCI_UART_H4	0
    38. 

  38. #define HCI_UART_BCSP	1
    39. 

  39. #define HCI_UART_3WIRE	2
    40. 

  40. #define HCI_UART_H4DS	3
    41. 

  41. 

  42. struct hci_uart;
    43. 

  43. 

  44. struct hci_uart_proto {
    45. 

  45. 	unsigned int id;
    46. 

  46. 	int (*open)(struct hci_uart *hu);
    47. 

  47. 	int (*close)(struct hci_uart *hu);
    48. 

  48. 	int (*flush)(struct hci_uart *hu);
    49. 

  49. 	int (*recv)(struct hci_uart *hu, void *data, int len);
    50. 

  50. 	int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
    51. 

  51. 	struct sk_buff *(*dequeue)(struct hci_uart *hu);
    52. 

  52. };
    53. 

  53. 

  54. struct hci_uart {
    55. 

  55. 	struct tty_struct	*tty;
    56. 

  56. 	struct hci_dev		*hdev;
    57. 

  57. 	unsigned long		flags;
    58. 

  58. 

  59. 	struct hci_uart_proto	*proto;
    60. 

  60. 	void			*priv;
    61. 

  61. 

  62. 	struct sk_buff		*tx_skb;
    63. 

  63. 	unsigned long		tx_state;
    64. 

  64. 	spinlock_t		rx_lock;
    65. 

  65. };
    66. 

  66. 

  67. /* HCI_UART flag bits */
    68. 

  68. #define HCI_UART_PROTO_SET	0
    69. 

  69. 

  70. /* TX states  */
    71. 

  71. #define HCI_UART_SENDING	1
    72. 

  72. #define HCI_UART_TX_WAKEUP	2
    73. 

  73. 

  74. int hci_uart_register_proto(struct hci_uart_proto *p);
    75. 

  75. int hci_uart_unregister_proto(struct hci_uart_proto *p);
    76. 

  76. int hci_uart_tx_wakeup(struct hci_uart *hu);
    77. 

  77. 

  78. #ifdef CONFIG_BT_HCIUART_H4
    79. 

  79. int h4_init(void);
    80. 

  80. int h4_deinit(void);
    81. 

  81. #endif
    82. 

  82. 

  83. #ifdef CONFIG_BT_HCIUART_BCSP
    84. 

  84. int bcsp_init(void);
    85. 

  85. int bcsp_deinit(void);
    86. 

  86. #endif
    87.