profiles/audio/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 AVC_MTU 512
  29 #define AVC_HEADER_LENGTH 3
  30
  31 /* ctype entries */
  32 #define AVC_CTYPE_CONTROL               0x0
  33 #define AVC_CTYPE_STATUS                0x1
  34 #define AVC_CTYPE_NOTIFY                0x3
  35 #define AVC_CTYPE_NOT_IMPLEMENTED       0x8
  36 #define AVC_CTYPE_ACCEPTED              0x9
  37 #define AVC_CTYPE_REJECTED              0xA
  38 #define AVC_CTYPE_STABLE                0xC
  39 #define AVC_CTYPE_CHANGED               0xD
  40 #define AVC_CTYPE_INTERIM               0xF
  41
  42 /* opcodes */
  43 #define AVC_OP_VENDORDEP                0x00
  44 #define AVC_OP_UNITINFO                 0x30
  45 #define AVC_OP_SUBUNITINFO              0x31
  46 #define AVC_OP_PASSTHROUGH              0x7c
  47
  48 /* subunits of interest */
  49 #define AVC_SUBUNIT_PANEL               0x09
  50
  51 /* operands in passthrough commands */
  52 #define AVC_SELECT                      0x00
  53 #define AVC_UP                          0x01
  54 #define AVC_DOWN                        0x02
  55 #define AVC_LEFT                        0x03
  56 #define AVC_RIGHT                       0x04
  57 #define AVC_ROOT_MENU                   0x09
  58 #define AVC_CONTENTS_MENU               0x0b
  59 #define AVC_FAVORITE_MENU               0x0c
  60 #define AVC_EXIT                        0x0d
  61 #define AVC_ON_DEMAND_MENU              0x0e
  62 #define AVC_APPS_MENU                   0x0f
  63 #define AVC_0                           0x20
  64 #define AVC_1                           0x21
  65 #define AVC_2                           0x22
  66 #define AVC_3                           0x23
  67 #define AVC_4                           0x24
  68 #define AVC_5                           0x25
  69 #define AVC_6                           0x26
  70 #define AVC_7                           0x27
  71 #define AVC_8                           0x28
  72 #define AVC_9                           0x29
  73 #define AVC_DOT                         0x2a
  74 #define AVC_ENTER                       0x2b
  75 #define AVC_CHANNEL_UP                  0x30
  76 #define AVC_CHANNEL_DOWN                0x31
  77 #define AVC_CHANNEL_PREVIOUS            0x32
  78 #define AVC_INPUT_SELECT                0x34
  79 #define AVC_INFO                        0x35
  80 #define AVC_HELP                        0x36
  81 #define AVC_PAGE_UP                     0x37
  82 #define AVC_PAGE_DOWN                   0x38
  83 #define AVC_LOCK                        0x3a
  84 #define AVC_POWER                       0x40
  85 #define AVC_VOLUME_UP                   0x41
  86 #define AVC_VOLUME_DOWN                 0x42
  87 #define AVC_MUTE                        0x43
  88 #define AVC_PLAY                        0x44
  89 #define AVC_STOP                        0x45
  90 #define AVC_PAUSE                       0x46
  91 #define AVC_RECORD                      0x47
  92 #define AVC_REWIND                      0x48
  93 #define AVC_FAST_FORWARD                0x49
  94 #define AVC_EJECT                       0x4a
  95 #define AVC_FORWARD                     0x4b
  96 #define AVC_BACKWARD                    0x4c
  97 #define AVC_LIST                        0x4d
  98 #define AVC_F1                          0x71
  99 #define AVC_F2                          0x72
 100 #define AVC_F3                          0x73
 101 #define AVC_F4                          0x74
 102 #define AVC_F5                          0x75
 103 #define AVC_F6                          0x76
 104 #define AVC_F7                          0x77
 105 #define AVC_F8                          0x78
 106 #define AVC_F9                          0x79
 107 #define AVC_RED                         0x7a
 108 #define AVC_GREEN                       0x7b
 109 #define AVC_BLUE                        0x7c
 110 #define AVC_YELLOW                      0x7c
 111
 112 struct avctp;
 113
 114 typedef enum {
 115         AVCTP_STATE_DISCONNECTED = 0,
 116         AVCTP_STATE_CONNECTING,
 117         AVCTP_STATE_CONNECTED,
 118         AVCTP_STATE_BROWSING_CONNECTING,
 119         AVCTP_STATE_BROWSING_CONNECTED
 120 } avctp_state_t;
 121
 122 typedef void (*avctp_state_cb) (struct btd_device *dev,
 123                                 avctp_state_t old_state,
 124                                 avctp_state_t new_state,
 125                                 int err, void *user_data);
 126
 127 typedef bool (*avctp_passthrough_cb) (struct avctp *session,
 128                                         uint8_t op, bool pressed,
 129                                         void *user_data);
 130 typedef size_t (*avctp_control_pdu_cb) (struct avctp *session,
 131                                         uint8_t transaction, uint8_t *code,
 132                                         uint8_t *subunit, uint8_t *operands,
 133                                         size_t operand_count, void *user_data);
 134 typedef gboolean (*avctp_rsp_cb) (struct avctp *session, uint8_t code,
 135                                         uint8_t subunit, uint8_t *operands,
 136                                         size_t operand_count, void *user_data);
 137 typedef gboolean (*avctp_browsing_rsp_cb) (struct avctp *session,
 138                                         uint8_t *operands, size_t operand_count,
 139                                         void *user_data);
 140 typedef size_t (*avctp_browsing_pdu_cb) (struct avctp *session,
 141                                         uint8_t transaction,
 142                                         uint8_t *operands, size_t operand_count,
 143                                         void *user_data);
 144
 145 unsigned int avctp_add_state_cb(struct btd_device *dev, avctp_state_cb cb,
 146                                                         void *user_data);
 147 gboolean avctp_remove_state_cb(unsigned int id);
 148
 149 int avctp_register(struct btd_adapter *adapter, gboolean master);
 150 void avctp_unregister(struct btd_adapter *adapter);
 151
 152 struct avctp *avctp_connect(struct btd_device *device);
 153 struct avctp *avctp_get(struct btd_device *device);
 154 bool avctp_is_initiator(struct avctp *session);
 155 int avctp_connect_browsing(struct avctp *session);
 156 void avctp_disconnect(struct avctp *session);
 157
 158 unsigned int avctp_register_passthrough_handler(struct avctp *session,
 159                                                 avctp_passthrough_cb cb,
 160                                                 void *user_data);
 161 bool avctp_unregister_passthrough_handler(unsigned int id);
 162
 163 unsigned int avctp_register_pdu_handler(struct avctp *session, uint8_t opcode,
 164                                                 avctp_control_pdu_cb cb,
 165                                                 void *user_data);
 166 gboolean avctp_unregister_pdu_handler(unsigned int id);
 167
 168 unsigned int avctp_register_browsing_pdu_handler(struct avctp *session,
 169                                                 avctp_browsing_pdu_cb cb,
 170                                                 void *user_data,
 171                                                 GDestroyNotify destroy);
 172 gboolean avctp_unregister_browsing_pdu_handler(unsigned int id);
 173
 174 int avctp_send_passthrough(struct avctp *session, uint8_t op);
 175 #ifdef __TIZEN_PATCH__
 176 int avctp_send_release_passthrough(struct avctp *session, uint8_t op);
 177 #endif
 178 int avctp_send_vendordep(struct avctp *session, uint8_t transaction,
 179                                 uint8_t code, uint8_t subunit,
 180                                 uint8_t *operands, size_t operand_count);
 181 int avctp_send_vendordep_req(struct avctp *session, uint8_t code,
 182                                         uint8_t subunit, uint8_t *operands,
 183                                         size_t operand_count,
 184                                         avctp_rsp_cb func, void *user_data);
 185 int avctp_send_browsing_req(struct avctp *session,
 186                                 uint8_t *operands, size_t operand_count,
 187                                 avctp_browsing_rsp_cb func, void *user_data);