android/avctp.h

   1 /*
   2  *
   3  *  BlueZ - Bluetooth protocol stack for Linux
   4  *
   5  *  Copyright (C) 2006-2010  Nokia Corporation
   6  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
   7  *
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22  *
  23  */
  24
  25 #define AVCTP_CONTROL_PSM               23
  26 #define AVCTP_BROWSING_PSM              27
  27
  28 #define AVCTP_HEADER_LENGTH             3
  29 #define AVC_HEADER_LENGTH               3
  30
  31 #define AVC_DATA_OFFSET                 AVCTP_HEADER_LENGTH + AVC_HEADER_LENGTH
  32 #define AVC_DATA_MTU                    512
  33
  34 /* ctype entries */
  35 #define AVC_CTYPE_CONTROL               0x0
  36 #define AVC_CTYPE_STATUS                0x1
  37 #define AVC_CTYPE_NOTIFY                0x3
  38 #define AVC_CTYPE_NOT_IMPLEMENTED       0x8
  39 #define AVC_CTYPE_ACCEPTED              0x9
  40 #define AVC_CTYPE_REJECTED              0xA
  41 #define AVC_CTYPE_STABLE                0xC
  42 #define AVC_CTYPE_CHANGED               0xD
  43 #define AVC_CTYPE_INTERIM               0xF
  44
  45 /* opcodes */
  46 #define AVC_OP_VENDORDEP                0x00
  47 #define AVC_OP_UNITINFO                 0x30
  48 #define AVC_OP_SUBUNITINFO              0x31
  49 #define AVC_OP_PASSTHROUGH              0x7c
  50
  51 /* subunits of interest */
  52 #define AVC_SUBUNIT_PANEL               0x09
  53
  54 /* operands in passthrough commands */
  55 #define AVC_SELECT                      0x00
  56 #define AVC_UP                          0x01
  57 #define AVC_DOWN                        0x02
  58 #define AVC_LEFT                        0x03
  59 #define AVC_RIGHT                       0x04
  60 #define AVC_ROOT_MENU                   0x09
  61 #define AVC_CONTENTS_MENU               0x0b
  62 #define AVC_FAVORITE_MENU               0x0c
  63 #define AVC_EXIT                        0x0d
  64 #define AVC_ON_DEMAND_MENU              0x0e
  65 #define AVC_APPS_MENU                   0x0f
  66 #define AVC_0                           0x20
  67 #define AVC_1                           0x21
  68 #define AVC_2                           0x22
  69 #define AVC_3                           0x23
  70 #define AVC_4                           0x24
  71 #define AVC_5                           0x25
  72 #define AVC_6                           0x26
  73 #define AVC_7                           0x27
  74 #define AVC_8                           0x28
  75 #define AVC_9                           0x29
  76 #define AVC_DOT                         0x2a
  77 #define AVC_ENTER                       0x2b
  78 #define AVC_CHANNEL_UP                  0x30
  79 #define AVC_CHANNEL_DOWN                0x31
  80 #define AVC_CHANNEL_PREVIOUS            0x32
  81 #define AVC_INPUT_SELECT                0x34
  82 #define AVC_INFO                        0x35
  83 #define AVC_HELP                        0x36
  84 #define AVC_PAGE_UP                     0x37
  85 #define AVC_PAGE_DOWN                   0x38
  86 #define AVC_LOCK                        0x3a
  87 #define AVC_POWER                       0x40
  88 #define AVC_VOLUME_UP                   0x41
  89 #define AVC_VOLUME_DOWN                 0x42
  90 #define AVC_MUTE                        0x43
  91 #define AVC_PLAY                        0x44
  92 #define AVC_STOP                        0x45
  93 #define AVC_PAUSE                       0x46
  94 #define AVC_RECORD                      0x47
  95 #define AVC_REWIND                      0x48
  96 #define AVC_FAST_FORWARD                0x49
  97 #define AVC_EJECT                       0x4a
  98 #define AVC_FORWARD                     0x4b
  99 #define AVC_BACKWARD                    0x4c
 100 #define AVC_LIST                        0x4d
 101 #define AVC_F1                          0x71
 102 #define AVC_F2                          0x72
 103 #define AVC_F3                          0x73
 104 #define AVC_F4                          0x74
 105 #define AVC_F5                          0x75
 106 #define AVC_F6                          0x76
 107 #define AVC_F7                          0x77
 108 #define AVC_F8                          0x78
 109 #define AVC_F9                          0x79
 110 #define AVC_RED                         0x7a
 111 #define AVC_GREEN                       0x7b
 112 #define AVC_BLUE                        0x7c
 113 #define AVC_YELLOW                      0x7c
 114
 115 #define AVC_VENDOR_UNIQUE               0x7e
 116
 117 #define AVC_VENDOR_NEXT_GROUP           0x00
 118 #define AVC_VENDOR_PREV_GROUP           0x01
 119
 120 struct avctp;
 121
 122 typedef bool (*avctp_passthrough_cb) (struct avctp *session,
 123                                         uint8_t op, bool pressed,
 124                                         void *user_data);
 125 typedef ssize_t (*avctp_control_pdu_cb) (struct avctp *session,
 126                                         uint8_t transaction, uint8_t *code,
 127                                         uint8_t *subunit, uint8_t *operands,
 128                                         size_t operand_count, void *user_data);
 129 typedef gboolean (*avctp_rsp_cb) (struct avctp *session, uint8_t code,
 130                                         uint8_t subunit, uint8_t *operands,
 131                                         size_t operand_count, void *user_data);
 132 typedef gboolean (*avctp_browsing_rsp_cb) (struct avctp *session,
 133                                         uint8_t *operands, size_t operand_count,
 134                                         void *user_data);
 135 typedef ssize_t (*avctp_browsing_pdu_cb) (struct avctp *session,
 136                                         uint8_t transaction,
 137                                         uint8_t *operands, size_t operand_count,
 138                                         void *user_data);
 139
 140 typedef void (*avctp_destroy_cb_t) (void *user_data);
 141
 142 struct avctp *avctp_new(int fd, size_t imtu, size_t omtu, uint16_t version);
 143 void avctp_set_destroy_cb(struct avctp *session, avctp_destroy_cb_t cb,
 144                                                         void *user_data);
 145
 146 int avctp_init_uinput(struct avctp *session, const char *name,
 147                                                         const char *address);
 148 int avctp_connect_browsing(struct avctp *session, int fd, size_t imtu,
 149                                                                 size_t omtu);
 150
 151 void avctp_shutdown(struct avctp *session);
 152
 153 unsigned int avctp_register_passthrough_handler(struct avctp *session,
 154                                                 avctp_passthrough_cb cb,
 155                                                 void *user_data);
 156 bool avctp_unregister_passthrough_handler(struct avctp *session,
 157                                                         unsigned int id);
 158
 159 unsigned int avctp_register_pdu_handler(struct avctp *session, uint8_t opcode,
 160                                                 avctp_control_pdu_cb cb,
 161                                                 void *user_data);
 162 bool avctp_unregister_pdu_handler(struct avctp *session, unsigned int id);
 163
 164 unsigned int avctp_register_browsing_pdu_handler(struct avctp *session,
 165                                                 avctp_browsing_pdu_cb cb,
 166                                                 void *user_data,
 167                                                 avctp_destroy_cb_t destroy);
 168 bool avctp_unregister_browsing_pdu_handler(struct avctp *session,
 169                                                         unsigned int id);
 170
 171 int avctp_send_passthrough(struct avctp *session, uint8_t op, uint8_t *params,
 172                                                         size_t params_len);
 173 int avctp_send_vendor(struct avctp *session, uint8_t transaction,
 174                                 uint8_t code, uint8_t subunit,
 175                                 const struct iovec *iov, int iov_cnt);
 176 int avctp_send_vendor_req(struct avctp *session, uint8_t code, uint8_t subunit,
 177                                         const struct iovec *iov, int iov_cnt,
 178                                         avctp_rsp_cb func, void *user_data);
 179 int avctp_send_browsing(struct avctp *session, uint8_t transaction,
 180                                         const struct iovec *iov, int iov_cnt);
 181 int avctp_send_browsing_req(struct avctp *session,
 182                                 const struct iovec *iov, int iov_cnt,
 183                                 avctp_browsing_rsp_cb func, void *user_data);