1 /****************************************************************************** 2 * 3 * Copyright (C) 2003-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * VRCP internal header file. 22 * 23 ******************************************************************************/ 24 25 26 #ifndef AVRC_INT_H 27 #define AVRC_INT_H 28 29 #include "avct_defs.h" 30 #include "stack/avrc_api.h" 31 32 #if (AVRC_INCLUDED == TRUE) 33 /* DEBUG FLAGS 34 * 35 * #define META_DEBUG_ENABLED 36 */ 37 /***************************************************************************** 38 ** Constants 39 *****************************************************************************/ 40 41 /* Number of attributes in AVRC SDP record. */ 42 #define AVRC_NUM_ATTR 6 43 44 /* Number of protocol elements in protocol element list. */ 45 #define AVRC_NUM_PROTO_ELEMS 2 46 47 #ifndef AVRC_MIN_CMD_LEN 48 #define AVRC_MIN_CMD_LEN 20 49 #endif 50 51 #define AVRC_UNIT_OPRND_BYTES 5 52 #define AVRC_SUB_OPRND_BYTES 4 53 #define AVRC_SUBRSP_OPRND_BYTES 3 54 #define AVRC_SUB_PAGE_MASK 7 55 #define AVRC_SUB_PAGE_SHIFT 4 56 #define AVRC_SUB_EXT_CODE 7 57 #define AVRC_PASS_OP_ID_MASK 0x7F 58 #define AVRC_PASS_STATE_MASK 0x80 59 #define AVRC_CMD_OPRND_PAD 0xFF 60 61 #define AVRC_CTYPE_MASK 0x0F 62 #define AVRC_SUBTYPE_MASK 0xF8 63 #define AVRC_SUBTYPE_SHIFT 3 64 #define AVRC_SUBID_MASK 0x07 65 #define AVRC_SUBID_IGNORE 0x07 66 67 #define AVRC_SINGLE_PARAM_SIZE 1 68 #define AVRC_METADATA_PKT_TYPE_MASK 0x03 69 #define AVRC_PASS_THOUGH_MSG_MASK 0x80 /* MSB of msg_type indicates the PAS THROUGH msg */ 70 #define AVRC_VENDOR_UNIQUE_MASK 0x70 /* vendor unique id */ 71 72 73 /* Company ID is 24-bit integer We can not use the macros in stack/bt_types.h */ 74 #define AVRC_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); } 75 #define AVRC_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;} 76 77 #define AVRC_AVC_HDR_SIZE 3 /* ctype, subunit*, opcode */ 78 79 #define AVRC_MIN_META_HDR_SIZE 4 /* pdu id(1), packet type(1), param len(2) */ 80 #define AVRC_MIN_BROWSE_HDR_SIZE 3 /* pdu id(1), param len(2) */ 81 82 #define AVRC_VENDOR_HDR_SIZE 6 /* ctype, subunit*, opcode, CO_ID */ 83 #define AVRC_MSG_VENDOR_OFFSET 23 84 #define AVRC_MIN_VENDOR_SIZE (AVRC_MSG_VENDOR_OFFSET + BT_HDR_SIZE + AVRC_MIN_META_HDR_SIZE) 85 86 #define AVRC_PASS_THRU_SIZE 8 87 #define AVRC_MSG_PASS_THRU_OFFSET 25 88 #define AVRC_MIN_PASS_THRU_SIZE (AVRC_MSG_PASS_THRU_OFFSET + BT_HDR_SIZE + 4) 89 90 #define AVRC_MIN_BROWSE_SIZE (AVCT_BROWSE_OFFSET + BT_HDR_SIZE + AVRC_MIN_BROWSE_HDR_SIZE) 91 92 #define AVRC_CTRL_PKT_LEN(pf, pk) {pf = (UINT8 *)((pk) + 1) + (pk)->offset + 2;} 93 94 #define AVRC_MAX_CTRL_DATA_LEN (AVRC_PACKET_LEN) 95 96 /***************************************************************************** 97 ** Type definitions 98 *****************************************************************************/ 99 100 #if (AVRC_METADATA_INCLUDED == TRUE) 101 /* type for Metadata fragmentation control block */ 102 typedef struct { 103 BT_HDR *p_fmsg; /* the fragmented message */ 104 UINT8 frag_pdu; /* the PDU ID for fragmentation */ 105 BOOLEAN frag_enabled; /* fragmentation flag */ 106 } tAVRC_FRAG_CB; 107 108 /* type for Metadata re-assembly control block */ 109 typedef struct { 110 BT_HDR *p_rmsg; /* the received message */ 111 UINT16 rasm_offset; /* re-assembly flag, the offset of the start fragment */ 112 UINT8 rasm_pdu; /* the PDU ID for re-assembly */ 113 } tAVRC_RASM_CB; 114 #endif 115 116 typedef struct { 117 tAVRC_CONN_CB ccb[AVCT_NUM_CONN]; 118 #if (AVRC_METADATA_INCLUDED == TRUE) 119 tAVRC_FRAG_CB fcb[AVCT_NUM_CONN]; 120 tAVRC_RASM_CB rcb[AVCT_NUM_CONN]; 121 #endif 122 tAVRC_FIND_CBACK *p_cback; /* pointer to application callback */ 123 tSDP_DISCOVERY_DB *p_db; /* pointer to discovery database */ 124 UINT16 service_uuid; /* service UUID to search */ 125 UINT8 trace_level; 126 } tAVRC_CB; 127 128 129 130 #ifdef __cplusplus 131 extern "C" 132 { 133 #endif 134 135 /****************************************************************************** 136 ** Main Control Block 137 *******************************************************************************/ 138 #if AVRC_DYNAMIC_MEMORY == FALSE 139 extern tAVRC_CB avrc_cb; 140 #else 141 extern tAVRC_CB *avrc_cb_ptr; 142 #define avrc_cb (*avrc_cb_ptr) 143 #endif 144 145 extern BOOLEAN avrc_is_valid_pdu_id(UINT8 pdu_id); 146 extern BOOLEAN avrc_is_valid_player_attrib_value(UINT8 attrib, UINT8 value); 147 extern BT_HDR *avrc_alloc_ctrl_pkt (UINT8 pdu); 148 extern tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS *p_msg, UINT16 *p_vendor_unique_id); 149 extern UINT8 avrc_opcode_from_pdu(UINT8 pdu); 150 extern BOOLEAN avrc_is_valid_opcode(UINT8 opcode); 151 152 #ifdef __cplusplus 153 } 154 #endif 155 156 #endif ///AVRC_INCLUDED == TRUE 157 158 #endif /* AVRC_INT_H */ 159
