158 lines
5.5 KiB
C
158 lines
5.5 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2003-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* VRCP internal header file.
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*
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******************************************************************************/
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#ifndef AVRC_INT_H
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#define AVRC_INT_H
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#include "avct_defs.h"
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#include "avrc_api.h"
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#if (AVRC_INCLUDED == TRUE)
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/* DEBUG FLAGS
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*
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* #define META_DEBUG_ENABLED
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*/
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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/* Number of attributes in AVRC SDP record. */
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#define AVRC_NUM_ATTR 6
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/* Number of protocol elements in protocol element list. */
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#define AVRC_NUM_PROTO_ELEMS 2
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#ifndef AVRC_MIN_CMD_LEN
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#define AVRC_MIN_CMD_LEN 20
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#endif
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#define AVRC_UNIT_OPRND_BYTES 5
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#define AVRC_SUB_OPRND_BYTES 4
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#define AVRC_SUBRSP_OPRND_BYTES 3
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#define AVRC_SUB_PAGE_MASK 7
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#define AVRC_SUB_PAGE_SHIFT 4
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#define AVRC_SUB_EXT_CODE 7
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#define AVRC_PASS_OP_ID_MASK 0x7F
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#define AVRC_PASS_STATE_MASK 0x80
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#define AVRC_CMD_OPRND_PAD 0xFF
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#define AVRC_CTYPE_MASK 0x0F
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#define AVRC_SUBTYPE_MASK 0xF8
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#define AVRC_SUBTYPE_SHIFT 3
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#define AVRC_SUBID_MASK 0x07
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#define AVRC_SUBID_IGNORE 0x07
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#define AVRC_SINGLE_PARAM_SIZE 1
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#define AVRC_METADATA_PKT_TYPE_MASK 0x03
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#define AVRC_PASS_THOUGH_MSG_MASK 0x80 /* MSB of msg_type indicates the PAS THROUGH msg */
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#define AVRC_VENDOR_UNIQUE_MASK 0x70 /* vendor unique id */
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/* Company ID is 24-bit integer We can not use the macros in bt_types.h */
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#define AVRC_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); }
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#define AVRC_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;}
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#define AVRC_AVC_HDR_SIZE 3 /* ctype, subunit*, opcode */
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#define AVRC_MIN_META_HDR_SIZE 4 /* pdu id(1), packet type(1), param len(2) */
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#define AVRC_MIN_BROWSE_HDR_SIZE 3 /* pdu id(1), param len(2) */
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#define AVRC_VENDOR_HDR_SIZE 6 /* ctype, subunit*, opcode, CO_ID */
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#define AVRC_MSG_VENDOR_OFFSET 23
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#define AVRC_MIN_VENDOR_SIZE (AVRC_MSG_VENDOR_OFFSET + BT_HDR_SIZE + AVRC_MIN_META_HDR_SIZE)
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#define AVRC_PASS_THRU_SIZE 8
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#define AVRC_MSG_PASS_THRU_OFFSET 25
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#define AVRC_MIN_PASS_THRU_SIZE (AVRC_MSG_PASS_THRU_OFFSET + BT_HDR_SIZE + 4)
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#define AVRC_MIN_BROWSE_SIZE (AVCT_BROWSE_OFFSET + BT_HDR_SIZE + AVRC_MIN_BROWSE_HDR_SIZE)
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#define AVRC_CTRL_PKT_LEN(pf, pk) {pf = (UINT8 *)((pk) + 1) + (pk)->offset + 2;}
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#define AVRC_MAX_CTRL_DATA_LEN (AVRC_PACKET_LEN)
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/*****************************************************************************
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** Type definitions
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*****************************************************************************/
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#if (AVRC_METADATA_INCLUDED == TRUE)
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/* type for Metadata fragmentation control block */
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typedef struct {
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BT_HDR *p_fmsg; /* the fragmented message */
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UINT8 frag_pdu; /* the PDU ID for fragmentation */
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BOOLEAN frag_enabled; /* fragmentation flag */
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} tAVRC_FRAG_CB;
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/* type for Metadata re-assembly control block */
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typedef struct {
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BT_HDR *p_rmsg; /* the received message */
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UINT16 rasm_offset; /* re-assembly flag, the offset of the start fragment */
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UINT8 rasm_pdu; /* the PDU ID for re-assembly */
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} tAVRC_RASM_CB;
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#endif
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typedef struct {
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tAVRC_CONN_CB ccb[AVCT_NUM_CONN];
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#if (AVRC_METADATA_INCLUDED == TRUE)
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tAVRC_FRAG_CB fcb[AVCT_NUM_CONN];
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tAVRC_RASM_CB rcb[AVCT_NUM_CONN];
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#endif
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tAVRC_FIND_CBACK *p_cback; /* pointer to application callback */
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tSDP_DISCOVERY_DB *p_db; /* pointer to discovery database */
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UINT16 service_uuid; /* service UUID to search */
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UINT8 trace_level;
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} tAVRC_CB;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/******************************************************************************
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** Main Control Block
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*******************************************************************************/
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#if AVRC_DYNAMIC_MEMORY == FALSE
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extern tAVRC_CB avrc_cb;
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#else
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extern tAVRC_CB *avrc_cb_ptr;
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#define avrc_cb (*avrc_cb_ptr)
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#endif
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extern BOOLEAN avrc_is_valid_pdu_id(UINT8 pdu_id);
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extern BOOLEAN avrc_is_valid_player_attrib_value(UINT8 attrib, UINT8 value);
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extern BT_HDR *avrc_alloc_ctrl_pkt (UINT8 pdu);
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extern tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS *p_msg, UINT16 *p_vendor_unique_id);
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extern UINT8 avrc_opcode_from_pdu(UINT8 pdu);
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extern BOOLEAN avrc_is_valid_opcode(UINT8 opcode);
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#ifdef __cplusplus
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}
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#endif
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#endif ///AVRC_INCLUDED == TRUE
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#endif /* AVRC_INT_H */
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