root / hw / usb.h @ 64d50b8b
History | View | Annotate | Download (8.7 kB)
1 |
/*
|
---|---|
2 |
* QEMU USB API
|
3 |
*
|
4 |
* Copyright (c) 2005 Fabrice Bellard
|
5 |
*
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
8 |
* in the Software without restriction, including without limitation the rights
|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
11 |
* furnished to do so, subject to the following conditions:
|
12 |
*
|
13 |
* The above copyright notice and this permission notice shall be included in
|
14 |
* all copies or substantial portions of the Software.
|
15 |
*
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 |
* THE SOFTWARE.
|
23 |
*/
|
24 |
|
25 |
#include "block.h" |
26 |
|
27 |
#define USB_TOKEN_SETUP 0x2d |
28 |
#define USB_TOKEN_IN 0x69 /* device -> host */ |
29 |
#define USB_TOKEN_OUT 0xe1 /* host -> device */ |
30 |
|
31 |
/* specific usb messages, also sent in the 'pid' parameter */
|
32 |
#define USB_MSG_ATTACH 0x100 |
33 |
#define USB_MSG_DETACH 0x101 |
34 |
#define USB_MSG_RESET 0x102 |
35 |
|
36 |
#define USB_RET_NODEV (-1) |
37 |
#define USB_RET_NAK (-2) |
38 |
#define USB_RET_STALL (-3) |
39 |
#define USB_RET_BABBLE (-4) |
40 |
#define USB_RET_ASYNC (-5) |
41 |
|
42 |
#define USB_SPEED_LOW 0 |
43 |
#define USB_SPEED_FULL 1 |
44 |
#define USB_SPEED_HIGH 2 |
45 |
|
46 |
#define USB_STATE_NOTATTACHED 0 |
47 |
#define USB_STATE_ATTACHED 1 |
48 |
//#define USB_STATE_POWERED 2
|
49 |
#define USB_STATE_DEFAULT 3 |
50 |
//#define USB_STATE_ADDRESS 4
|
51 |
//#define USB_STATE_CONFIGURED 5
|
52 |
#define USB_STATE_SUSPENDED 6 |
53 |
|
54 |
#define USB_CLASS_AUDIO 1 |
55 |
#define USB_CLASS_COMM 2 |
56 |
#define USB_CLASS_HID 3 |
57 |
#define USB_CLASS_PHYSICAL 5 |
58 |
#define USB_CLASS_STILL_IMAGE 6 |
59 |
#define USB_CLASS_PRINTER 7 |
60 |
#define USB_CLASS_MASS_STORAGE 8 |
61 |
#define USB_CLASS_HUB 9 |
62 |
#define USB_CLASS_CDC_DATA 0x0a |
63 |
#define USB_CLASS_CSCID 0x0b |
64 |
#define USB_CLASS_CONTENT_SEC 0x0d |
65 |
#define USB_CLASS_APP_SPEC 0xfe |
66 |
#define USB_CLASS_VENDOR_SPEC 0xff |
67 |
|
68 |
#define USB_DIR_OUT 0 |
69 |
#define USB_DIR_IN 0x80 |
70 |
|
71 |
#define USB_TYPE_MASK (0x03 << 5) |
72 |
#define USB_TYPE_STANDARD (0x00 << 5) |
73 |
#define USB_TYPE_CLASS (0x01 << 5) |
74 |
#define USB_TYPE_VENDOR (0x02 << 5) |
75 |
#define USB_TYPE_RESERVED (0x03 << 5) |
76 |
|
77 |
#define USB_RECIP_MASK 0x1f |
78 |
#define USB_RECIP_DEVICE 0x00 |
79 |
#define USB_RECIP_INTERFACE 0x01 |
80 |
#define USB_RECIP_ENDPOINT 0x02 |
81 |
#define USB_RECIP_OTHER 0x03 |
82 |
|
83 |
#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) |
84 |
#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) |
85 |
#define InterfaceRequest \
|
86 |
((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
|
87 |
#define InterfaceOutRequest \
|
88 |
((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
|
89 |
#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) |
90 |
#define EndpointOutRequest \
|
91 |
((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
|
92 |
|
93 |
#define USB_REQ_GET_STATUS 0x00 |
94 |
#define USB_REQ_CLEAR_FEATURE 0x01 |
95 |
#define USB_REQ_SET_FEATURE 0x03 |
96 |
#define USB_REQ_SET_ADDRESS 0x05 |
97 |
#define USB_REQ_GET_DESCRIPTOR 0x06 |
98 |
#define USB_REQ_SET_DESCRIPTOR 0x07 |
99 |
#define USB_REQ_GET_CONFIGURATION 0x08 |
100 |
#define USB_REQ_SET_CONFIGURATION 0x09 |
101 |
#define USB_REQ_GET_INTERFACE 0x0A |
102 |
#define USB_REQ_SET_INTERFACE 0x0B |
103 |
#define USB_REQ_SYNCH_FRAME 0x0C |
104 |
|
105 |
#define USB_DEVICE_SELF_POWERED 0 |
106 |
#define USB_DEVICE_REMOTE_WAKEUP 1 |
107 |
|
108 |
#define USB_DT_DEVICE 0x01 |
109 |
#define USB_DT_CONFIG 0x02 |
110 |
#define USB_DT_STRING 0x03 |
111 |
#define USB_DT_INTERFACE 0x04 |
112 |
#define USB_DT_ENDPOINT 0x05 |
113 |
|
114 |
#define USB_ENDPOINT_XFER_CONTROL 0 |
115 |
#define USB_ENDPOINT_XFER_ISOC 1 |
116 |
#define USB_ENDPOINT_XFER_BULK 2 |
117 |
#define USB_ENDPOINT_XFER_INT 3 |
118 |
|
119 |
typedef struct USBPort USBPort; |
120 |
typedef struct USBDevice USBDevice; |
121 |
typedef struct USBPacket USBPacket; |
122 |
|
123 |
/* definition of a USB device */
|
124 |
struct USBDevice {
|
125 |
void *opaque;
|
126 |
|
127 |
/*
|
128 |
* Process USB packet.
|
129 |
* Called by the HC (Host Controller).
|
130 |
*
|
131 |
* Returns length of the transaction
|
132 |
* or one of the USB_RET_XXX codes.
|
133 |
*/
|
134 |
int (*handle_packet)(USBDevice *dev, USBPacket *p);
|
135 |
|
136 |
/*
|
137 |
* Called when device is destroyed.
|
138 |
*/
|
139 |
void (*handle_destroy)(USBDevice *dev);
|
140 |
|
141 |
int speed;
|
142 |
|
143 |
/* The following fields are used by the generic USB device
|
144 |
layer. They are here just to avoid creating a new structure
|
145 |
for them. */
|
146 |
|
147 |
/*
|
148 |
* Reset the device
|
149 |
*/
|
150 |
void (*handle_reset)(USBDevice *dev);
|
151 |
|
152 |
/*
|
153 |
* Process control request.
|
154 |
* Called from handle_packet().
|
155 |
*
|
156 |
* Returns length or one of the USB_RET_ codes.
|
157 |
*/
|
158 |
int (*handle_control)(USBDevice *dev, int request, int value, |
159 |
int index, int length, uint8_t *data); |
160 |
|
161 |
/*
|
162 |
* Process data transfers (both BULK and ISOC).
|
163 |
* Called from handle_packet().
|
164 |
*
|
165 |
* Returns length or one of the USB_RET_ codes.
|
166 |
*/
|
167 |
int (*handle_data)(USBDevice *dev, USBPacket *p);
|
168 |
|
169 |
uint8_t addr; |
170 |
char devname[32]; |
171 |
|
172 |
int state;
|
173 |
uint8_t setup_buf[8];
|
174 |
uint8_t data_buf[1024];
|
175 |
int remote_wakeup;
|
176 |
int setup_state;
|
177 |
int setup_len;
|
178 |
int setup_index;
|
179 |
}; |
180 |
|
181 |
typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev); |
182 |
|
183 |
/* USB port on which a device can be connected */
|
184 |
struct USBPort {
|
185 |
USBDevice *dev; |
186 |
usb_attachfn attach; |
187 |
void *opaque;
|
188 |
int index; /* internal port index, may be used with the opaque */ |
189 |
struct USBPort *next; /* Used internally by qemu. */ |
190 |
}; |
191 |
|
192 |
typedef void USBCallback(USBPacket * packet, void *opaque); |
193 |
|
194 |
/* Structure used to hold information about an active USB packet. */
|
195 |
struct USBPacket {
|
196 |
/* Data fields for use by the driver. */
|
197 |
int pid;
|
198 |
uint8_t devaddr; |
199 |
uint8_t devep; |
200 |
uint8_t *data; |
201 |
int len;
|
202 |
/* Internal use by the USB layer. */
|
203 |
USBCallback *complete_cb; |
204 |
void *complete_opaque;
|
205 |
USBCallback *cancel_cb; |
206 |
void *cancel_opaque;
|
207 |
}; |
208 |
|
209 |
/* Defer completion of a USB packet. The hadle_packet routine should then
|
210 |
return USB_RET_ASYNC. Packets that complete immediately (before
|
211 |
handle_packet returns) should not call this method. */
|
212 |
static inline void usb_defer_packet(USBPacket *p, USBCallback *cancel, |
213 |
void * opaque)
|
214 |
{ |
215 |
p->cancel_cb = cancel; |
216 |
p->cancel_opaque = opaque; |
217 |
} |
218 |
|
219 |
/* Notify the controller that an async packet is complete. This should only
|
220 |
be called for packets previously deferred with usb_defer_packet, and
|
221 |
should never be called from within handle_packet. */
|
222 |
static inline void usb_packet_complete(USBPacket *p) |
223 |
{ |
224 |
p->complete_cb(p, p->complete_opaque); |
225 |
} |
226 |
|
227 |
/* Cancel an active packet. The packed must have been deferred with
|
228 |
usb_defer_packet, and not yet completed. */
|
229 |
static inline void usb_cancel_packet(USBPacket * p) |
230 |
{ |
231 |
p->cancel_cb(p, p->cancel_opaque); |
232 |
} |
233 |
|
234 |
int usb_device_add_dev(USBDevice *dev);
|
235 |
int usb_device_del_addr(int bus_num, int addr); |
236 |
void usb_attach(USBPort *port, USBDevice *dev);
|
237 |
int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
|
238 |
int set_usb_string(uint8_t *buf, const char *str); |
239 |
void usb_send_msg(USBDevice *dev, int msg); |
240 |
|
241 |
/* usb hub */
|
242 |
USBDevice *usb_hub_init(int nb_ports);
|
243 |
|
244 |
/* usb-linux.c */
|
245 |
USBDevice *usb_host_device_open(const char *devname); |
246 |
int usb_host_device_close(const char *devname); |
247 |
void usb_host_info(Monitor *mon);
|
248 |
|
249 |
/* usb-hid.c */
|
250 |
USBDevice *usb_mouse_init(void);
|
251 |
USBDevice *usb_tablet_init(void);
|
252 |
USBDevice *usb_keyboard_init(void);
|
253 |
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *)); |
254 |
|
255 |
/* usb-msd.c */
|
256 |
USBDevice *usb_msd_init(const char *filename); |
257 |
BlockDriverState *usb_msd_get_bdrv(USBDevice *dev); |
258 |
|
259 |
/* usb-net.c */
|
260 |
USBDevice *usb_net_init(NICInfo *nd); |
261 |
|
262 |
/* usb-bt.c */
|
263 |
USBDevice *usb_bt_init(HCIInfo *hci); |
264 |
|
265 |
/* usb-wacom.c */
|
266 |
USBDevice *usb_wacom_init(void);
|
267 |
|
268 |
/* usb-serial.c */
|
269 |
USBDevice *usb_serial_init(const char *filename); |
270 |
|
271 |
/* usb ports of the VM */
|
272 |
|
273 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
274 |
usb_attachfn attach); |
275 |
|
276 |
#define VM_USB_HUB_SIZE 8 |
277 |
|
278 |
/* usb-musb.c */
|
279 |
enum musb_irq_source_e {
|
280 |
musb_irq_suspend = 0,
|
281 |
musb_irq_resume, |
282 |
musb_irq_rst_babble, |
283 |
musb_irq_sof, |
284 |
musb_irq_connect, |
285 |
musb_irq_disconnect, |
286 |
musb_irq_vbus_request, |
287 |
musb_irq_vbus_error, |
288 |
musb_irq_rx, |
289 |
musb_irq_tx, |
290 |
musb_set_vbus, |
291 |
musb_set_session, |
292 |
__musb_irq_max, |
293 |
}; |
294 |
|
295 |
typedef struct MUSBState MUSBState; |
296 |
MUSBState *musb_init(qemu_irq *irqs); |
297 |
uint32_t musb_core_intr_get(MUSBState *s); |
298 |
void musb_core_intr_clear(MUSBState *s, uint32_t mask);
|
299 |
void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); |