| 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 | |