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1 | bb36d470 | bellard | /*
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2 | bb36d470 | bellard | * QEMU USB API
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3 | 5fafdf24 | ths | *
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4 | bb36d470 | bellard | * Copyright (c) 2005 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | bb36d470 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | bb36d470 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | bb36d470 | bellard | * in the Software without restriction, including without limitation the rights
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9 | bb36d470 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | bb36d470 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | bb36d470 | bellard | * furnished to do so, subject to the following conditions:
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12 | bb36d470 | bellard | *
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13 | bb36d470 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | bb36d470 | bellard | * all copies or substantial portions of the Software.
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15 | bb36d470 | bellard | *
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16 | bb36d470 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | bb36d470 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | bb36d470 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | bb36d470 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | bb36d470 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | bb36d470 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | bb36d470 | bellard | * THE SOFTWARE.
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23 | bb36d470 | bellard | */
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24 | c0f4ce77 | aliguori | |
25 | c0f4ce77 | aliguori | #include "block.h" |
26 | 806b6024 | Gerd Hoffmann | #include "qdev.h" |
27 | 72cf2d4f | Blue Swirl | #include "qemu-queue.h" |
28 | c0f4ce77 | aliguori | |
29 | bb36d470 | bellard | #define USB_TOKEN_SETUP 0x2d |
30 | bb36d470 | bellard | #define USB_TOKEN_IN 0x69 /* device -> host */ |
31 | bb36d470 | bellard | #define USB_TOKEN_OUT 0xe1 /* host -> device */ |
32 | bb36d470 | bellard | |
33 | bb36d470 | bellard | /* specific usb messages, also sent in the 'pid' parameter */
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34 | bb36d470 | bellard | #define USB_MSG_ATTACH 0x100 |
35 | bb36d470 | bellard | #define USB_MSG_DETACH 0x101 |
36 | bb36d470 | bellard | #define USB_MSG_RESET 0x102 |
37 | bb36d470 | bellard | |
38 | 5fafdf24 | ths | #define USB_RET_NODEV (-1) |
39 | bb36d470 | bellard | #define USB_RET_NAK (-2) |
40 | bb36d470 | bellard | #define USB_RET_STALL (-3) |
41 | bb36d470 | bellard | #define USB_RET_BABBLE (-4) |
42 | 4d611c9a | pbrook | #define USB_RET_ASYNC (-5) |
43 | bb36d470 | bellard | |
44 | bb36d470 | bellard | #define USB_SPEED_LOW 0 |
45 | bb36d470 | bellard | #define USB_SPEED_FULL 1 |
46 | bb36d470 | bellard | #define USB_SPEED_HIGH 2 |
47 | bb36d470 | bellard | |
48 | bb36d470 | bellard | #define USB_STATE_NOTATTACHED 0 |
49 | bb36d470 | bellard | #define USB_STATE_ATTACHED 1 |
50 | bb36d470 | bellard | //#define USB_STATE_POWERED 2
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51 | bb36d470 | bellard | #define USB_STATE_DEFAULT 3 |
52 | bb36d470 | bellard | //#define USB_STATE_ADDRESS 4
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53 | bb36d470 | bellard | //#define USB_STATE_CONFIGURED 5
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54 | bb36d470 | bellard | #define USB_STATE_SUSPENDED 6 |
55 | bb36d470 | bellard | |
56 | a594cfbf | bellard | #define USB_CLASS_AUDIO 1 |
57 | a594cfbf | bellard | #define USB_CLASS_COMM 2 |
58 | a594cfbf | bellard | #define USB_CLASS_HID 3 |
59 | a594cfbf | bellard | #define USB_CLASS_PHYSICAL 5 |
60 | a594cfbf | bellard | #define USB_CLASS_STILL_IMAGE 6 |
61 | a594cfbf | bellard | #define USB_CLASS_PRINTER 7 |
62 | a594cfbf | bellard | #define USB_CLASS_MASS_STORAGE 8 |
63 | a594cfbf | bellard | #define USB_CLASS_HUB 9 |
64 | a594cfbf | bellard | #define USB_CLASS_CDC_DATA 0x0a |
65 | a594cfbf | bellard | #define USB_CLASS_CSCID 0x0b |
66 | a594cfbf | bellard | #define USB_CLASS_CONTENT_SEC 0x0d |
67 | a594cfbf | bellard | #define USB_CLASS_APP_SPEC 0xfe |
68 | a594cfbf | bellard | #define USB_CLASS_VENDOR_SPEC 0xff |
69 | a594cfbf | bellard | |
70 | bb36d470 | bellard | #define USB_DIR_OUT 0 |
71 | bb36d470 | bellard | #define USB_DIR_IN 0x80 |
72 | bb36d470 | bellard | |
73 | bb36d470 | bellard | #define USB_TYPE_MASK (0x03 << 5) |
74 | bb36d470 | bellard | #define USB_TYPE_STANDARD (0x00 << 5) |
75 | bb36d470 | bellard | #define USB_TYPE_CLASS (0x01 << 5) |
76 | bb36d470 | bellard | #define USB_TYPE_VENDOR (0x02 << 5) |
77 | bb36d470 | bellard | #define USB_TYPE_RESERVED (0x03 << 5) |
78 | bb36d470 | bellard | |
79 | bb36d470 | bellard | #define USB_RECIP_MASK 0x1f |
80 | bb36d470 | bellard | #define USB_RECIP_DEVICE 0x00 |
81 | bb36d470 | bellard | #define USB_RECIP_INTERFACE 0x01 |
82 | bb36d470 | bellard | #define USB_RECIP_ENDPOINT 0x02 |
83 | bb36d470 | bellard | #define USB_RECIP_OTHER 0x03 |
84 | bb36d470 | bellard | |
85 | bb36d470 | bellard | #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) |
86 | bb36d470 | bellard | #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) |
87 | 59ae540c | bellard | #define InterfaceRequest \
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88 | 59ae540c | bellard | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
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89 | 59ae540c | bellard | #define InterfaceOutRequest \
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90 | 59ae540c | bellard | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
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91 | 59ae540c | bellard | #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) |
92 | 59ae540c | bellard | #define EndpointOutRequest \
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93 | 59ae540c | bellard | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
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94 | bb36d470 | bellard | |
95 | bb36d470 | bellard | #define USB_REQ_GET_STATUS 0x00 |
96 | bb36d470 | bellard | #define USB_REQ_CLEAR_FEATURE 0x01 |
97 | bb36d470 | bellard | #define USB_REQ_SET_FEATURE 0x03 |
98 | bb36d470 | bellard | #define USB_REQ_SET_ADDRESS 0x05 |
99 | bb36d470 | bellard | #define USB_REQ_GET_DESCRIPTOR 0x06 |
100 | bb36d470 | bellard | #define USB_REQ_SET_DESCRIPTOR 0x07 |
101 | bb36d470 | bellard | #define USB_REQ_GET_CONFIGURATION 0x08 |
102 | bb36d470 | bellard | #define USB_REQ_SET_CONFIGURATION 0x09 |
103 | bb36d470 | bellard | #define USB_REQ_GET_INTERFACE 0x0A |
104 | bb36d470 | bellard | #define USB_REQ_SET_INTERFACE 0x0B |
105 | bb36d470 | bellard | #define USB_REQ_SYNCH_FRAME 0x0C |
106 | bb36d470 | bellard | |
107 | bb36d470 | bellard | #define USB_DEVICE_SELF_POWERED 0 |
108 | bb36d470 | bellard | #define USB_DEVICE_REMOTE_WAKEUP 1 |
109 | bb36d470 | bellard | |
110 | bb36d470 | bellard | #define USB_DT_DEVICE 0x01 |
111 | bb36d470 | bellard | #define USB_DT_CONFIG 0x02 |
112 | bb36d470 | bellard | #define USB_DT_STRING 0x03 |
113 | bb36d470 | bellard | #define USB_DT_INTERFACE 0x04 |
114 | bb36d470 | bellard | #define USB_DT_ENDPOINT 0x05 |
115 | bb36d470 | bellard | |
116 | 942ac052 | balrog | #define USB_ENDPOINT_XFER_CONTROL 0 |
117 | 942ac052 | balrog | #define USB_ENDPOINT_XFER_ISOC 1 |
118 | 942ac052 | balrog | #define USB_ENDPOINT_XFER_BULK 2 |
119 | 942ac052 | balrog | #define USB_ENDPOINT_XFER_INT 3 |
120 | 942ac052 | balrog | |
121 | 806b6024 | Gerd Hoffmann | typedef struct USBBus USBBus; |
122 | bb36d470 | bellard | typedef struct USBPort USBPort; |
123 | bb36d470 | bellard | typedef struct USBDevice USBDevice; |
124 | 806b6024 | Gerd Hoffmann | typedef struct USBDeviceInfo USBDeviceInfo; |
125 | 4d611c9a | pbrook | typedef struct USBPacket USBPacket; |
126 | bb36d470 | bellard | |
127 | bb36d470 | bellard | /* definition of a USB device */
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128 | bb36d470 | bellard | struct USBDevice {
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129 | 806b6024 | Gerd Hoffmann | DeviceState qdev; |
130 | 806b6024 | Gerd Hoffmann | USBDeviceInfo *info; |
131 | bb36d470 | bellard | void *opaque;
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132 | 89b9b79f | aliguori | |
133 | 806b6024 | Gerd Hoffmann | int speed;
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134 | 806b6024 | Gerd Hoffmann | uint8_t addr; |
135 | 806b6024 | Gerd Hoffmann | char devname[32]; |
136 | 61e094c0 | Gerd Hoffmann | int auto_attach;
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137 | a5d2f727 | Gerd Hoffmann | int attached;
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138 | 806b6024 | Gerd Hoffmann | |
139 | 806b6024 | Gerd Hoffmann | int state;
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140 | 806b6024 | Gerd Hoffmann | uint8_t setup_buf[8];
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141 | 806b6024 | Gerd Hoffmann | uint8_t data_buf[1024];
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142 | 806b6024 | Gerd Hoffmann | int remote_wakeup;
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143 | 806b6024 | Gerd Hoffmann | int setup_state;
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144 | 806b6024 | Gerd Hoffmann | int setup_len;
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145 | 806b6024 | Gerd Hoffmann | int setup_index;
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146 | 806b6024 | Gerd Hoffmann | }; |
147 | 806b6024 | Gerd Hoffmann | |
148 | 806b6024 | Gerd Hoffmann | struct USBDeviceInfo {
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149 | 806b6024 | Gerd Hoffmann | DeviceInfo qdev; |
150 | 806b6024 | Gerd Hoffmann | int (*init)(USBDevice *dev);
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151 | 806b6024 | Gerd Hoffmann | |
152 | 806b6024 | Gerd Hoffmann | /*
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153 | 806b6024 | Gerd Hoffmann | * Process USB packet.
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154 | 89b9b79f | aliguori | * Called by the HC (Host Controller).
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155 | 89b9b79f | aliguori | *
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156 | 806b6024 | Gerd Hoffmann | * Returns length of the transaction
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157 | 89b9b79f | aliguori | * or one of the USB_RET_XXX codes.
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158 | 806b6024 | Gerd Hoffmann | */
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159 | 4d611c9a | pbrook | int (*handle_packet)(USBDevice *dev, USBPacket *p);
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160 | 89b9b79f | aliguori | |
161 | 806b6024 | Gerd Hoffmann | /*
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162 | 89b9b79f | aliguori | * Called when device is destroyed.
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163 | 89b9b79f | aliguori | */
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164 | 059809e4 | bellard | void (*handle_destroy)(USBDevice *dev);
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165 | 059809e4 | bellard | |
166 | 89b9b79f | aliguori | /*
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167 | 89b9b79f | aliguori | * Reset the device
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168 | 806b6024 | Gerd Hoffmann | */
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169 | 059809e4 | bellard | void (*handle_reset)(USBDevice *dev);
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170 | 89b9b79f | aliguori | |
171 | 89b9b79f | aliguori | /*
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172 | 89b9b79f | aliguori | * Process control request.
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173 | 89b9b79f | aliguori | * Called from handle_packet().
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174 | 89b9b79f | aliguori | *
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175 | 89b9b79f | aliguori | * Returns length or one of the USB_RET_ codes.
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176 | 89b9b79f | aliguori | */
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177 | bb36d470 | bellard | int (*handle_control)(USBDevice *dev, int request, int value, |
178 | bb36d470 | bellard | int index, int length, uint8_t *data); |
179 | 89b9b79f | aliguori | |
180 | 89b9b79f | aliguori | /*
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181 | 89b9b79f | aliguori | * Process data transfers (both BULK and ISOC).
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182 | 89b9b79f | aliguori | * Called from handle_packet().
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183 | 89b9b79f | aliguori | *
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184 | 89b9b79f | aliguori | * Returns length or one of the USB_RET_ codes.
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185 | 89b9b79f | aliguori | */
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186 | 4d611c9a | pbrook | int (*handle_data)(USBDevice *dev, USBPacket *p);
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187 | 0958b4cc | Gerd Hoffmann | |
188 | 0958b4cc | Gerd Hoffmann | /* handle legacy -usbdevice command line options */
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189 | 0958b4cc | Gerd Hoffmann | const char *usbdevice_name; |
190 | 0958b4cc | Gerd Hoffmann | USBDevice *(*usbdevice_init)(const char *params); |
191 | bb36d470 | bellard | }; |
192 | bb36d470 | bellard | |
193 | 0d92ed30 | pbrook | typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev); |
194 | 0d92ed30 | pbrook | |
195 | bb36d470 | bellard | /* USB port on which a device can be connected */
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196 | bb36d470 | bellard | struct USBPort {
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197 | a594cfbf | bellard | USBDevice *dev; |
198 | 0d92ed30 | pbrook | usb_attachfn attach; |
199 | bb36d470 | bellard | void *opaque;
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200 | bb36d470 | bellard | int index; /* internal port index, may be used with the opaque */ |
201 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(USBPort) next; |
202 | bb36d470 | bellard | }; |
203 | bb36d470 | bellard | |
204 | 4d611c9a | pbrook | typedef void USBCallback(USBPacket * packet, void *opaque); |
205 | 4d611c9a | pbrook | |
206 | 4d611c9a | pbrook | /* Structure used to hold information about an active USB packet. */
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207 | 4d611c9a | pbrook | struct USBPacket {
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208 | 4d611c9a | pbrook | /* Data fields for use by the driver. */
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209 | 4d611c9a | pbrook | int pid;
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210 | 4d611c9a | pbrook | uint8_t devaddr; |
211 | 4d611c9a | pbrook | uint8_t devep; |
212 | 4d611c9a | pbrook | uint8_t *data; |
213 | 4d611c9a | pbrook | int len;
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214 | 4d611c9a | pbrook | /* Internal use by the USB layer. */
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215 | 4d611c9a | pbrook | USBCallback *complete_cb; |
216 | 4d611c9a | pbrook | void *complete_opaque;
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217 | 4d611c9a | pbrook | USBCallback *cancel_cb; |
218 | b63891a0 | ths | void *cancel_opaque;
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219 | 4d611c9a | pbrook | }; |
220 | 4d611c9a | pbrook | |
221 | 4d611c9a | pbrook | /* Defer completion of a USB packet. The hadle_packet routine should then
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222 | 4d611c9a | pbrook | return USB_RET_ASYNC. Packets that complete immediately (before
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223 | 4d611c9a | pbrook | handle_packet returns) should not call this method. */
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224 | 4d611c9a | pbrook | static inline void usb_defer_packet(USBPacket *p, USBCallback *cancel, |
225 | 4d611c9a | pbrook | void * opaque)
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226 | 4d611c9a | pbrook | { |
227 | 4d611c9a | pbrook | p->cancel_cb = cancel; |
228 | 4d611c9a | pbrook | p->cancel_opaque = opaque; |
229 | 4d611c9a | pbrook | } |
230 | 4d611c9a | pbrook | |
231 | 4d611c9a | pbrook | /* Notify the controller that an async packet is complete. This should only
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232 | 4d611c9a | pbrook | be called for packets previously deferred with usb_defer_packet, and
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233 | 4d611c9a | pbrook | should never be called from within handle_packet. */
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234 | 4d611c9a | pbrook | static inline void usb_packet_complete(USBPacket *p) |
235 | 4d611c9a | pbrook | { |
236 | 4d611c9a | pbrook | p->complete_cb(p, p->complete_opaque); |
237 | 4d611c9a | pbrook | } |
238 | 4d611c9a | pbrook | |
239 | 4d611c9a | pbrook | /* Cancel an active packet. The packed must have been deferred with
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240 | 4d611c9a | pbrook | usb_defer_packet, and not yet completed. */
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241 | 4d611c9a | pbrook | static inline void usb_cancel_packet(USBPacket * p) |
242 | 4d611c9a | pbrook | { |
243 | 4d611c9a | pbrook | p->cancel_cb(p, p->cancel_opaque); |
244 | 4d611c9a | pbrook | } |
245 | 4d611c9a | pbrook | |
246 | bb36d470 | bellard | void usb_attach(USBPort *port, USBDevice *dev);
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247 | 4d611c9a | pbrook | int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
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248 | bb36d470 | bellard | int set_usb_string(uint8_t *buf, const char *str); |
249 | 4d611c9a | pbrook | void usb_send_msg(USBDevice *dev, int msg); |
250 | 4d611c9a | pbrook | |
251 | bb36d470 | bellard | /* usb-linux.c */
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252 | a594cfbf | bellard | USBDevice *usb_host_device_open(const char *devname); |
253 | 5d0c5750 | aliguori | int usb_host_device_close(const char *devname); |
254 | 376253ec | aliguori | void usb_host_info(Monitor *mon);
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255 | 59ae540c | bellard | |
256 | 59ae540c | bellard | /* usb-hid.c */
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257 | 47e699dc | balrog | void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *)); |
258 | 2e5d83bb | pbrook | |
259 | 6c9f886c | balrog | /* usb-net.c */
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260 | 6c9f886c | balrog | USBDevice *usb_net_init(NICInfo *nd); |
261 | 6c9f886c | balrog | |
262 | e6a6d5ab | balrog | /* usb-bt.c */
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263 | e6a6d5ab | balrog | USBDevice *usb_bt_init(HCIInfo *hci); |
264 | e6a6d5ab | balrog | |
265 | 87ecb68b | pbrook | /* usb ports of the VM */
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266 | 87ecb68b | pbrook | |
267 | 87ecb68b | pbrook | #define VM_USB_HUB_SIZE 8 |
268 | 87ecb68b | pbrook | |
269 | 942ac052 | balrog | /* usb-musb.c */
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270 | 942ac052 | balrog | enum musb_irq_source_e {
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271 | 942ac052 | balrog | musb_irq_suspend = 0,
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272 | 942ac052 | balrog | musb_irq_resume, |
273 | 942ac052 | balrog | musb_irq_rst_babble, |
274 | 942ac052 | balrog | musb_irq_sof, |
275 | 942ac052 | balrog | musb_irq_connect, |
276 | 942ac052 | balrog | musb_irq_disconnect, |
277 | 942ac052 | balrog | musb_irq_vbus_request, |
278 | 942ac052 | balrog | musb_irq_vbus_error, |
279 | 942ac052 | balrog | musb_irq_rx, |
280 | 942ac052 | balrog | musb_irq_tx, |
281 | 942ac052 | balrog | musb_set_vbus, |
282 | 942ac052 | balrog | musb_set_session, |
283 | 942ac052 | balrog | __musb_irq_max, |
284 | 942ac052 | balrog | }; |
285 | 942ac052 | balrog | |
286 | bc24a225 | Paul Brook | typedef struct MUSBState MUSBState; |
287 | bc24a225 | Paul Brook | MUSBState *musb_init(qemu_irq *irqs); |
288 | bc24a225 | Paul Brook | uint32_t musb_core_intr_get(MUSBState *s); |
289 | bc24a225 | Paul Brook | void musb_core_intr_clear(MUSBState *s, uint32_t mask);
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290 | bc24a225 | Paul Brook | void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); |
291 | 806b6024 | Gerd Hoffmann | |
292 | 806b6024 | Gerd Hoffmann | /* usb-bus.c */
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293 | 806b6024 | Gerd Hoffmann | |
294 | 806b6024 | Gerd Hoffmann | struct USBBus {
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295 | 806b6024 | Gerd Hoffmann | BusState qbus; |
296 | 806b6024 | Gerd Hoffmann | int busnr;
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297 | 806b6024 | Gerd Hoffmann | int nfree;
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298 | 806b6024 | Gerd Hoffmann | int nused;
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299 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD(, USBPort) free; |
300 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD(, USBPort) used; |
301 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(USBBus) next; |
302 | 806b6024 | Gerd Hoffmann | }; |
303 | 806b6024 | Gerd Hoffmann | |
304 | b2317837 | Gerd Hoffmann | void usb_bus_new(USBBus *bus, DeviceState *host);
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305 | 806b6024 | Gerd Hoffmann | USBBus *usb_bus_find(int busnr);
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306 | 806b6024 | Gerd Hoffmann | void usb_qdev_register(USBDeviceInfo *info);
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307 | 806b6024 | Gerd Hoffmann | void usb_qdev_register_many(USBDeviceInfo *info);
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308 | a5d2f727 | Gerd Hoffmann | USBDevice *usb_create(USBBus *bus, const char *name); |
309 | 806b6024 | Gerd Hoffmann | USBDevice *usb_create_simple(USBBus *bus, const char *name); |
310 | 0958b4cc | Gerd Hoffmann | USBDevice *usbdevice_create(const char *cmdline); |
311 | a5d2f727 | Gerd Hoffmann | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, |
312 | a5d2f727 | Gerd Hoffmann | usb_attachfn attach); |
313 | a8e662b5 | Gerd Hoffmann | void usb_unregister_port(USBBus *bus, USBPort *port);
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314 | a5d2f727 | Gerd Hoffmann | int usb_device_attach(USBDevice *dev);
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315 | a8e662b5 | Gerd Hoffmann | int usb_device_detach(USBDevice *dev);
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316 | a5d2f727 | Gerd Hoffmann | int usb_device_delete_addr(int busnr, int addr); |
317 | a5d2f727 | Gerd Hoffmann | |
318 | a5d2f727 | Gerd Hoffmann | static inline USBBus *usb_bus_from_device(USBDevice *d) |
319 | a5d2f727 | Gerd Hoffmann | { |
320 | a5d2f727 | Gerd Hoffmann | return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
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321 | a5d2f727 | Gerd Hoffmann | } |