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1.1 root 1: /*
2: * QEMU USB API
1.1.1.5 root 3: *
1.1 root 4: * Copyright (c) 2005 Fabrice Bellard
1.1.1.5 root 5: *
1.1 root 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: #define USB_TOKEN_SETUP 0x2d
25: #define USB_TOKEN_IN 0x69 /* device -> host */
26: #define USB_TOKEN_OUT 0xe1 /* host -> device */
27:
28: /* specific usb messages, also sent in the 'pid' parameter */
29: #define USB_MSG_ATTACH 0x100
30: #define USB_MSG_DETACH 0x101
31: #define USB_MSG_RESET 0x102
32:
1.1.1.5 root 33: #define USB_RET_NODEV (-1)
1.1 root 34: #define USB_RET_NAK (-2)
35: #define USB_RET_STALL (-3)
36: #define USB_RET_BABBLE (-4)
1.1.1.4 root 37: #define USB_RET_ASYNC (-5)
1.1 root 38:
39: #define USB_SPEED_LOW 0
40: #define USB_SPEED_FULL 1
41: #define USB_SPEED_HIGH 2
42:
43: #define USB_STATE_NOTATTACHED 0
44: #define USB_STATE_ATTACHED 1
45: //#define USB_STATE_POWERED 2
46: #define USB_STATE_DEFAULT 3
47: //#define USB_STATE_ADDRESS 4
48: //#define USB_STATE_CONFIGURED 5
49: #define USB_STATE_SUSPENDED 6
50:
51: #define USB_CLASS_AUDIO 1
52: #define USB_CLASS_COMM 2
53: #define USB_CLASS_HID 3
54: #define USB_CLASS_PHYSICAL 5
55: #define USB_CLASS_STILL_IMAGE 6
56: #define USB_CLASS_PRINTER 7
57: #define USB_CLASS_MASS_STORAGE 8
58: #define USB_CLASS_HUB 9
59: #define USB_CLASS_CDC_DATA 0x0a
60: #define USB_CLASS_CSCID 0x0b
61: #define USB_CLASS_CONTENT_SEC 0x0d
62: #define USB_CLASS_APP_SPEC 0xfe
63: #define USB_CLASS_VENDOR_SPEC 0xff
64:
65: #define USB_DIR_OUT 0
66: #define USB_DIR_IN 0x80
67:
68: #define USB_TYPE_MASK (0x03 << 5)
69: #define USB_TYPE_STANDARD (0x00 << 5)
70: #define USB_TYPE_CLASS (0x01 << 5)
71: #define USB_TYPE_VENDOR (0x02 << 5)
72: #define USB_TYPE_RESERVED (0x03 << 5)
73:
74: #define USB_RECIP_MASK 0x1f
75: #define USB_RECIP_DEVICE 0x00
76: #define USB_RECIP_INTERFACE 0x01
77: #define USB_RECIP_ENDPOINT 0x02
78: #define USB_RECIP_OTHER 0x03
79:
80: #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
81: #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
82: #define InterfaceRequest \
83: ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
84: #define InterfaceOutRequest \
85: ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
86: #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
87: #define EndpointOutRequest \
88: ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
89:
90: #define USB_REQ_GET_STATUS 0x00
91: #define USB_REQ_CLEAR_FEATURE 0x01
92: #define USB_REQ_SET_FEATURE 0x03
93: #define USB_REQ_SET_ADDRESS 0x05
94: #define USB_REQ_GET_DESCRIPTOR 0x06
95: #define USB_REQ_SET_DESCRIPTOR 0x07
96: #define USB_REQ_GET_CONFIGURATION 0x08
97: #define USB_REQ_SET_CONFIGURATION 0x09
98: #define USB_REQ_GET_INTERFACE 0x0A
99: #define USB_REQ_SET_INTERFACE 0x0B
100: #define USB_REQ_SYNCH_FRAME 0x0C
101:
102: #define USB_DEVICE_SELF_POWERED 0
103: #define USB_DEVICE_REMOTE_WAKEUP 1
104:
105: #define USB_DT_DEVICE 0x01
106: #define USB_DT_CONFIG 0x02
107: #define USB_DT_STRING 0x03
108: #define USB_DT_INTERFACE 0x04
109: #define USB_DT_ENDPOINT 0x05
110:
1.1.1.6 ! root 111: #define USB_ENDPOINT_XFER_CONTROL 0
! 112: #define USB_ENDPOINT_XFER_ISOC 1
! 113: #define USB_ENDPOINT_XFER_BULK 2
! 114: #define USB_ENDPOINT_XFER_INT 3
! 115:
1.1 root 116: typedef struct USBPort USBPort;
117: typedef struct USBDevice USBDevice;
1.1.1.4 root 118: typedef struct USBPacket USBPacket;
1.1 root 119:
120: /* definition of a USB device */
121: struct USBDevice {
122: void *opaque;
1.1.1.6 ! root 123:
! 124: /*
! 125: * Process USB packet.
! 126: * Called by the HC (Host Controller).
! 127: *
! 128: * Returns length of the transaction
! 129: * or one of the USB_RET_XXX codes.
! 130: */
1.1.1.4 root 131: int (*handle_packet)(USBDevice *dev, USBPacket *p);
1.1.1.6 ! root 132:
! 133: /*
! 134: * Called when device is destroyed.
! 135: */
1.1.1.3 root 136: void (*handle_destroy)(USBDevice *dev);
137:
1.1 root 138: int speed;
1.1.1.5 root 139:
1.1 root 140: /* The following fields are used by the generic USB device
1.1.1.6 ! root 141: layer. They are here just to avoid creating a new structure
! 142: for them. */
! 143:
! 144: /*
! 145: * Reset the device
! 146: */
1.1 root 147: void (*handle_reset)(USBDevice *dev);
1.1.1.6 ! root 148:
! 149: /*
! 150: * Process control request.
! 151: * Called from handle_packet().
! 152: *
! 153: * Returns length or one of the USB_RET_ codes.
! 154: */
1.1 root 155: int (*handle_control)(USBDevice *dev, int request, int value,
156: int index, int length, uint8_t *data);
1.1.1.6 ! root 157:
! 158: /*
! 159: * Process data transfers (both BULK and ISOC).
! 160: * Called from handle_packet().
! 161: *
! 162: * Returns length or one of the USB_RET_ codes.
! 163: */
1.1.1.4 root 164: int (*handle_data)(USBDevice *dev, USBPacket *p);
1.1.1.6 ! root 165:
1.1 root 166: uint8_t addr;
1.1.1.3 root 167: char devname[32];
1.1.1.5 root 168:
1.1 root 169: int state;
170: uint8_t setup_buf[8];
171: uint8_t data_buf[1024];
172: int remote_wakeup;
173: int setup_state;
174: int setup_len;
175: int setup_index;
176: };
177:
1.1.1.3 root 178: typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev);
179:
1.1 root 180: /* USB port on which a device can be connected */
181: struct USBPort {
182: USBDevice *dev;
1.1.1.3 root 183: usb_attachfn attach;
1.1 root 184: void *opaque;
185: int index; /* internal port index, may be used with the opaque */
1.1.1.3 root 186: struct USBPort *next; /* Used internally by qemu. */
1.1 root 187: };
188:
1.1.1.4 root 189: typedef void USBCallback(USBPacket * packet, void *opaque);
190:
191: /* Structure used to hold information about an active USB packet. */
192: struct USBPacket {
193: /* Data fields for use by the driver. */
194: int pid;
195: uint8_t devaddr;
196: uint8_t devep;
197: uint8_t *data;
198: int len;
199: /* Internal use by the USB layer. */
200: USBCallback *complete_cb;
201: void *complete_opaque;
202: USBCallback *cancel_cb;
1.1.1.5 root 203: void *cancel_opaque;
1.1.1.4 root 204: };
205:
206: /* Defer completion of a USB packet. The hadle_packet routine should then
207: return USB_RET_ASYNC. Packets that complete immediately (before
208: handle_packet returns) should not call this method. */
209: static inline void usb_defer_packet(USBPacket *p, USBCallback *cancel,
210: void * opaque)
211: {
212: p->cancel_cb = cancel;
213: p->cancel_opaque = opaque;
214: }
215:
216: /* Notify the controller that an async packet is complete. This should only
217: be called for packets previously deferred with usb_defer_packet, and
218: should never be called from within handle_packet. */
219: static inline void usb_packet_complete(USBPacket *p)
220: {
221: p->complete_cb(p, p->complete_opaque);
222: }
223:
224: /* Cancel an active packet. The packed must have been deferred with
225: usb_defer_packet, and not yet completed. */
226: static inline void usb_cancel_packet(USBPacket * p)
227: {
228: p->cancel_cb(p, p->cancel_opaque);
229: }
230:
1.1.1.6 ! root 231: int usb_device_add_dev(USBDevice *dev);
! 232: int usb_device_del_addr(int bus_num, int addr);
1.1 root 233: void usb_attach(USBPort *port, USBDevice *dev);
1.1.1.4 root 234: int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
1.1 root 235: int set_usb_string(uint8_t *buf, const char *str);
1.1.1.4 root 236: void usb_send_msg(USBDevice *dev, int msg);
237:
1.1 root 238: /* usb hub */
1.1.1.3 root 239: USBDevice *usb_hub_init(int nb_ports);
1.1 root 240:
241: /* usb-linux.c */
242: USBDevice *usb_host_device_open(const char *devname);
1.1.1.6 ! root 243: int usb_host_device_close(const char *devname);
1.1 root 244: void usb_host_info(void);
245:
246: /* usb-hid.c */
247: USBDevice *usb_mouse_init(void);
1.1.1.2 root 248: USBDevice *usb_tablet_init(void);
1.1.1.5 root 249: USBDevice *usb_keyboard_init(void);
1.1.1.6 ! root 250: void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));
1.1.1.3 root 251:
252: /* usb-msd.c */
253: USBDevice *usb_msd_init(const char *filename);
1.1.1.5 root 254:
1.1.1.6 ! root 255: /* usb-net.c */
! 256: USBDevice *usb_net_init(NICInfo *nd);
! 257:
! 258: /* usb-bt.c */
! 259: USBDevice *usb_bt_init(HCIInfo *hci);
! 260:
1.1.1.5 root 261: /* usb-wacom.c */
262: USBDevice *usb_wacom_init(void);
263:
1.1.1.6 ! root 264: /* usb-serial.c */
! 265: USBDevice *usb_serial_init(const char *filename);
! 266:
1.1.1.5 root 267: /* usb ports of the VM */
268:
269: void qemu_register_usb_port(USBPort *port, void *opaque, int index,
270: usb_attachfn attach);
271:
272: #define VM_USB_HUB_SIZE 8
273:
1.1.1.6 ! root 274: /* usb-musb.c */
! 275: enum musb_irq_source_e {
! 276: musb_irq_suspend = 0,
! 277: musb_irq_resume,
! 278: musb_irq_rst_babble,
! 279: musb_irq_sof,
! 280: musb_irq_connect,
! 281: musb_irq_disconnect,
! 282: musb_irq_vbus_request,
! 283: musb_irq_vbus_error,
! 284: musb_irq_rx,
! 285: musb_irq_tx,
! 286: musb_set_vbus,
! 287: musb_set_session,
! 288: __musb_irq_max,
! 289: };
! 290:
! 291: struct musb_s;
! 292: struct musb_s *musb_init(qemu_irq *irqs);
! 293: uint32_t musb_core_intr_get(struct musb_s *s);
! 294: void musb_core_intr_clear(struct musb_s *s, uint32_t mask);
! 295: void musb_set_size(struct musb_s *s, int epnum, int size, int is_tx);
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