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1.1 root 1: // USB functions and data.
2: #ifndef __USB_H
3: #define __USB_H
4:
1.1.1.3 root 5: #include "util.h" // struct mutex_s
6:
7: // Information on a USB end point.
8: struct usb_pipe {
9: struct usb_s *cntl;
1.1.1.4 root 10: u64 path;
1.1.1.3 root 11: u8 type;
12: u8 ep;
13: u8 devaddr;
14: u8 speed;
15: u16 maxpacket;
16: u8 tt_devaddr;
17: u8 tt_port;
18: };
19:
20: // Common information for usb controllers.
1.1 root 21: struct usb_s {
1.1.1.3 root 22: struct usb_pipe *defaultpipe;
23: struct mutex_s resetlock;
1.1.1.5 ! root 24: struct pci_device *pci;
1.1.1.3 root 25: int busid;
1.1 root 26: u8 type;
27: u8 maxaddr;
1.1.1.3 root 28: };
29:
30: // Information for enumerating USB hubs
31: struct usbhub_s {
32: struct usbhub_op_s *op;
33: struct usb_pipe *pipe;
34: struct usb_s *cntl;
35: struct mutex_s lock;
36: u32 powerwait;
37: u32 port;
38: u32 threads;
39: u32 portcount;
40: u32 devcount;
41: };
1.1 root 42:
1.1.1.3 root 43: // Hub callback (32bit) info
44: struct usbhub_op_s {
45: int (*detect)(struct usbhub_s *hub, u32 port);
46: int (*reset)(struct usbhub_s *hub, u32 port);
47: void (*disconnect)(struct usbhub_s *hub, u32 port);
1.1 root 48: };
49:
50: #define USB_TYPE_UHCI 1
51: #define USB_TYPE_OHCI 2
1.1.1.3 root 52: #define USB_TYPE_EHCI 3
1.1 root 53:
1.1.1.3 root 54: #define USB_FULLSPEED 0
55: #define USB_LOWSPEED 1
56: #define USB_HIGHSPEED 2
1.1 root 57:
58: #define USB_MAXADDR 127
59:
60:
61: /****************************************************************
1.1.1.3 root 62: * usb structs and flags
1.1 root 63: ****************************************************************/
64:
1.1.1.3 root 65: // USB mandated timings (in ms)
66: #define USB_TIME_SIGATT 100
67: #define USB_TIME_ATTDB 100
68: #define USB_TIME_DRST 10
69: #define USB_TIME_DRSTR 50
70: #define USB_TIME_RSTRCY 10
1.1 root 71:
1.1.1.3 root 72: #define USB_TIME_SETADDR_RECOVERY 2
1.1 root 73:
74: #define USB_PID_OUT 0xe1
75: #define USB_PID_IN 0x69
76: #define USB_PID_SETUP 0x2d
77:
78: #define USB_DIR_OUT 0 /* to device */
79: #define USB_DIR_IN 0x80 /* to host */
80:
81: #define USB_TYPE_MASK (0x03 << 5)
82: #define USB_TYPE_STANDARD (0x00 << 5)
83: #define USB_TYPE_CLASS (0x01 << 5)
84: #define USB_TYPE_VENDOR (0x02 << 5)
85: #define USB_TYPE_RESERVED (0x03 << 5)
86:
87: #define USB_RECIP_MASK 0x1f
88: #define USB_RECIP_DEVICE 0x00
89: #define USB_RECIP_INTERFACE 0x01
90: #define USB_RECIP_ENDPOINT 0x02
91: #define USB_RECIP_OTHER 0x03
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: struct usb_ctrlrequest {
106: u8 bRequestType;
107: u8 bRequest;
108: u16 wValue;
109: u16 wIndex;
110: u16 wLength;
111: } PACKED;
112:
113: #define USB_DT_DEVICE 0x01
114: #define USB_DT_CONFIG 0x02
115: #define USB_DT_STRING 0x03
116: #define USB_DT_INTERFACE 0x04
117: #define USB_DT_ENDPOINT 0x05
118: #define USB_DT_DEVICE_QUALIFIER 0x06
119: #define USB_DT_OTHER_SPEED_CONFIG 0x07
120:
121: struct usb_device_descriptor {
122: u8 bLength;
123: u8 bDescriptorType;
124:
125: u16 bcdUSB;
126: u8 bDeviceClass;
127: u8 bDeviceSubClass;
128: u8 bDeviceProtocol;
129: u8 bMaxPacketSize0;
130: u16 idVendor;
131: u16 idProduct;
132: u16 bcdDevice;
133: u8 iManufacturer;
134: u8 iProduct;
135: u8 iSerialNumber;
136: u8 bNumConfigurations;
137: } PACKED;
138:
139: #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
140: #define USB_CLASS_AUDIO 1
141: #define USB_CLASS_COMM 2
142: #define USB_CLASS_HID 3
143: #define USB_CLASS_PHYSICAL 5
144: #define USB_CLASS_STILL_IMAGE 6
145: #define USB_CLASS_PRINTER 7
146: #define USB_CLASS_MASS_STORAGE 8
147: #define USB_CLASS_HUB 9
148:
149: struct usb_config_descriptor {
150: u8 bLength;
151: u8 bDescriptorType;
152:
153: u16 wTotalLength;
154: u8 bNumInterfaces;
155: u8 bConfigurationValue;
156: u8 iConfiguration;
157: u8 bmAttributes;
158: u8 bMaxPower;
159: } PACKED;
160:
161: struct usb_interface_descriptor {
162: u8 bLength;
163: u8 bDescriptorType;
164:
165: u8 bInterfaceNumber;
166: u8 bAlternateSetting;
167: u8 bNumEndpoints;
168: u8 bInterfaceClass;
169: u8 bInterfaceSubClass;
170: u8 bInterfaceProtocol;
171: u8 iInterface;
172: } PACKED;
173:
174: struct usb_endpoint_descriptor {
175: u8 bLength;
176: u8 bDescriptorType;
177:
178: u8 bEndpointAddress;
179: u8 bmAttributes;
180: u16 wMaxPacketSize;
181: u8 bInterval;
182: } PACKED;
183:
184: #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
185: #define USB_ENDPOINT_DIR_MASK 0x80
186:
187: #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
188: #define USB_ENDPOINT_XFER_CONTROL 0
189: #define USB_ENDPOINT_XFER_ISOC 1
190: #define USB_ENDPOINT_XFER_BULK 2
191: #define USB_ENDPOINT_XFER_INT 3
192: #define USB_ENDPOINT_MAX_ADJUSTABLE 0x80
193:
1.1.1.3 root 194:
195: /****************************************************************
196: * function defs
197: ****************************************************************/
198:
199: // usb.c
200: void usb_setup(void);
201: void usb_enumerate(struct usbhub_s *hub);
202: int send_default_control(struct usb_pipe *pipe, const struct usb_ctrlrequest *req
203: , void *data);
204: int usb_send_bulk(struct usb_pipe *pipe, int dir, void *data, int datasize);
205: void free_pipe(struct usb_pipe *pipe);
206: struct usb_pipe *alloc_bulk_pipe(struct usb_pipe *pipe
207: , struct usb_endpoint_descriptor *epdesc);
208: struct usb_pipe *alloc_intr_pipe(struct usb_pipe *pipe
209: , struct usb_endpoint_descriptor *epdesc);
210: int usb_poll_intr(struct usb_pipe *pipe, void *data);
211: struct usb_endpoint_descriptor *findEndPointDesc(
212: struct usb_interface_descriptor *iface, int imax, int type, int dir);
213: u32 mkendpFromDesc(struct usb_pipe *pipe
214: , struct usb_endpoint_descriptor *epdesc);
215:
1.1 root 216: #endif // usb.h
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