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 | |