1 /* $NetBSD: bcsp.h,v 1.2 2007/10/02 05:40:10 junyoung Exp $ */ 2 /* 3 * Copyright (c) 2007 KIYOHARA Takashi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _DEV_BLUETOOTH_BCSP_H_ 29 #define _DEV_BLUETOOTH_BCSP_H_ 30 31 /* 32 * BlueCore Serial Protocol definitions 33 */ 34 35 /* 36 * Reference to bcore-sp-012p. 37 */ 38 /* BCSP packet header */ 39 typedef struct { 40 uint8_t flags; 41 #if BYTE_ORDER == BIG_ENDIAN 42 uint8_t plen1 :4; /* Payload Length (bits 0-3) */ 43 uint8_t ident :4; /* Protocol Identifier */ 44 #else 45 uint8_t ident :4; /* Protocol Identifier */ 46 uint8_t plen1 :4; /* Payload Length (bits 0-3) */ 47 #endif 48 uint8_t plen2; /* Payload Length (bits 4-11) */ 49 uint8_t csum; /* Checksum */ 50 u_char payload[0]; 51 } __packed bcsp_hdr_t; 52 53 #define BCSP_FLAGS_SEQ_SHIFT 0 54 #define BCSP_FLAGS_SEQ_MASK 0x07 55 #define BCSP_FLAGS_SEQ(n) \ 56 (((n) & BCSP_FLAGS_SEQ_MASK) >> BCSP_FLAGS_SEQ_SHIFT) 57 #define BCSP_FLAGS_ACK_SHIFT 3 58 #define BCSP_FLAGS_ACK_MASK 0x38 59 #define BCSP_FLAGS_ACK(n) \ 60 (((n) & BCSP_FLAGS_ACK_MASK) >> BCSP_FLAGS_ACK_SHIFT) 61 #define BCSP_FLAGS_CRC_PRESENT 0x40 62 #define BCSP_FLAGS_PROTOCOL_TYPE 0x80 63 #define BCSP_FLAGS_PROTOCOL_REL 0x80 64 65 #define BCSP_SET_PLEN(hdrp, n) \ 66 do { \ 67 (hdrp)->plen1 = ((n) & 0x00f); \ 68 (hdrp)->plen2 = ((n) >> 4); \ 69 } while (0) 70 #define BCSP_GET_PLEN(hdrp) ((hdrp)->plen1 | ((hdrp)->plen2 << 4)) 71 72 #define BCSP_GET_CSUM(hdrp) \ 73 (0xff - (uint8_t)((hdrp)->flags + ((hdrp)->plen1 << 4) + \ 74 (hdrp)->ident + (hdrp)->plen2)) 75 #define BCSP_SET_CSUM(hdrp) ((hdrp)->csum = BCSP_GET_CSUM(hdrp)) 76 77 78 #define BCSP_IDENT_ACKPKT 0 /* Used by MUX Layer */ 79 /* Other Protocol Identifier values described to bcore-sp-007P */ 80 81 82 /* definitions of SLIP Layer */ 83 #define BCSP_SLIP_PKTSTART 0xc0 84 #define BCSP_SLIP_PKTEND BCSP_SLIP_PKTSTART 85 #define BCSP_SLIP_ESCAPE 0xdb 86 #define BCSP_SLIP_ESCAPE_PKTEND 0xdc 87 #define BCSP_SLIP_ESCAPE_ESCAPE 0xdd 88 89 90 /* definitions of Sequencing Layer */ 91 #define BCSP_SEQ_TX_TIMEOUT (hz / 4) /* 250 msec */ 92 #define BCSP_SEQ_TX_WINSIZE 4 93 #define BCSP_SEQ_TX_RETRY_LIMIT 20 94 95 96 /* 97 * Reference to bcore-sp-007p. 98 * Channel Allocation 99 */ 100 #define BCSP_CHANNEL_LE 1 /* defined in [BCSPLE] */ 101 #define BCSP_CHANNEL_BCCMD 2 /* defined in [BCCMD] */ 102 #define BCSP_CHANNEL_HQ 3 /* defined in [HQ] */ 103 #define BCSP_CHANNEL_DEVMGT 4 /* defined by BlueStack */ 104 #define BCSP_CHANNEL_HCI_CMDEVT 5 /* HCI Command and Event */ 105 #define BCSP_CHANNEL_HCI_ACL 6 /* HCI ACL data */ 106 #define BCSP_CHANNEL_HCI_SCO 7 /* HCI SCO data */ 107 #define BCSP_CHANNEL_L2CAP 8 /* defined by BlueStack */ 108 #define BCSP_CHANNEL_RFCOMM 9 /* defined by BlueStack */ 109 #define BCSP_CHANNEL_SDP 10 /* defined by BlueStack */ 110 111 #define BCSP_CHANNEL_DFU 12 /* defined in [DFUPROT] */ 112 #define BCSP_CHANNEL_VM 13 /* Virtual Machine */ 113 114 115 /* 116 * Reference to bcore-sp-008p ?? 117 * Link Establishment Protocol 118 */ 119 typedef enum { 120 le_state_shy, 121 le_state_curious, 122 le_state_garrulous 123 } bcsp_le_state_t; 124 125 #define BCSP_LE_SYNC { 0xda, 0xdc, 0xed, 0xed } 126 #define BCSP_LE_SYNCRESP { 0xac, 0xaf, 0xef, 0xee } 127 #define BCSP_LE_CONF { 0xad, 0xef, 0xac, 0xed } 128 #define BCSP_LE_CONFRESP { 0xde, 0xad, 0xd0, 0xd0 } 129 130 #define BCSP_LE_TSHY_TIMEOUT hz /* XXXX: 1sec ? */ 131 #define BCSP_LE_TCONF_TIMEOUT hz /* XXXX: 1sec ? */ 132 133 #endif /* !_DEV_BLUETOOTH_BCSP_H_ */ 134