The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <string.h> |
| 20 | |
| 21 | #include <sysdeps.h> |
| 22 | |
| 23 | #define TRACE_TAG TRACE_TRANSPORT |
| 24 | #include "adb.h" |
| 25 | |
Xavier Ducrohet | a09fbd1 | 2009-05-20 17:33:53 -0700 | [diff] [blame^] | 26 | #if ADB_HOST |
| 27 | #include "usb_vendors.h" |
| 28 | #endif |
| 29 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 30 | /* XXX better define? */ |
| 31 | #ifdef __ppc__ |
| 32 | #define H4(x) (((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24) |
| 33 | static inline void fix_endians(apacket *p) |
| 34 | { |
| 35 | p->msg.command = H4(p->msg.command); |
| 36 | p->msg.arg0 = H4(p->msg.arg0); |
| 37 | p->msg.arg1 = H4(p->msg.arg1); |
| 38 | p->msg.data_length = H4(p->msg.data_length); |
| 39 | p->msg.data_check = H4(p->msg.data_check); |
| 40 | p->msg.magic = H4(p->msg.magic); |
| 41 | } |
| 42 | unsigned host_to_le32(unsigned n) |
| 43 | { |
| 44 | return H4(n); |
| 45 | } |
| 46 | #else |
| 47 | #define fix_endians(p) do {} while (0) |
| 48 | unsigned host_to_le32(unsigned n) |
| 49 | { |
| 50 | return n; |
| 51 | } |
| 52 | #endif |
| 53 | |
| 54 | static int remote_read(apacket *p, atransport *t) |
| 55 | { |
| 56 | if(usb_read(t->usb, &p->msg, sizeof(amessage))){ |
| 57 | D("remote usb: read terminated (message)\n"); |
| 58 | return -1; |
| 59 | } |
| 60 | |
| 61 | fix_endians(p); |
| 62 | |
| 63 | if(check_header(p)) { |
| 64 | D("remote usb: check_header failed\n"); |
| 65 | return -1; |
| 66 | } |
| 67 | |
| 68 | if(p->msg.data_length) { |
| 69 | if(usb_read(t->usb, p->data, p->msg.data_length)){ |
| 70 | D("remote usb: terminated (data)\n"); |
| 71 | return -1; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | if(check_data(p)) { |
| 76 | D("remote usb: check_data failed\n"); |
| 77 | return -1; |
| 78 | } |
| 79 | |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | static int remote_write(apacket *p, atransport *t) |
| 84 | { |
| 85 | unsigned size = p->msg.data_length; |
| 86 | |
| 87 | fix_endians(p); |
| 88 | |
| 89 | if(usb_write(t->usb, &p->msg, sizeof(amessage))) { |
| 90 | D("remote usb: 1 - write terminated\n"); |
| 91 | return -1; |
| 92 | } |
| 93 | if(p->msg.data_length == 0) return 0; |
| 94 | if(usb_write(t->usb, &p->data, size)) { |
| 95 | D("remote usb: 2 - write terminated\n"); |
| 96 | return -1; |
| 97 | } |
| 98 | |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | static void remote_close(atransport *t) |
| 103 | { |
| 104 | usb_close(t->usb); |
| 105 | t->usb = 0; |
| 106 | } |
| 107 | |
| 108 | static void remote_kick(atransport *t) |
| 109 | { |
| 110 | usb_kick(t->usb); |
| 111 | } |
| 112 | |
| 113 | void init_usb_transport(atransport *t, usb_handle *h) |
| 114 | { |
| 115 | D("transport: usb\n"); |
| 116 | t->close = remote_close; |
| 117 | t->kick = remote_kick; |
| 118 | t->read_from_remote = remote_read; |
| 119 | t->write_to_remote = remote_write; |
| 120 | t->sync_token = 1; |
| 121 | t->connection_state = CS_OFFLINE; |
| 122 | t->type = kTransportUsb; |
| 123 | t->usb = h; |
| 124 | |
| 125 | #if ADB_HOST |
| 126 | HOST = 1; |
| 127 | #else |
| 128 | HOST = 0; |
| 129 | #endif |
| 130 | } |
| 131 | |
Xavier Ducrohet | a09fbd1 | 2009-05-20 17:33:53 -0700 | [diff] [blame^] | 132 | #if ADB_HOST |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 133 | int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol) |
| 134 | { |
Xavier Ducrohet | a09fbd1 | 2009-05-20 17:33:53 -0700 | [diff] [blame^] | 135 | unsigned i; |
| 136 | for (i = 0; i < vendorIdCount; i++) { |
| 137 | if (vid == vendorIds[i]) { |
| 138 | /* class:vendor (0xff) subclass:android (0x42) proto:adb (0x01) */ |
| 139 | if(usb_class == 0xff) { |
| 140 | if((usb_subclass == 0x42) && (usb_protocol == 0x01)) { |
| 141 | return 1; |
| 142 | } |
| 143 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 144 | |
Xavier Ducrohet | a09fbd1 | 2009-05-20 17:33:53 -0700 | [diff] [blame^] | 145 | return 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 146 | } |
| 147 | } |
| 148 | |
| 149 | return 0; |
| 150 | } |
Xavier Ducrohet | a09fbd1 | 2009-05-20 17:33:53 -0700 | [diff] [blame^] | 151 | #endif |