1 // USB functions and data.
5 // Local information for a usb controller.
17 struct ohci_regs *regs;
22 #define USB_TYPE_UHCI 1
23 #define USB_TYPE_OHCI 2
25 extern struct usb_s USBControllers[];
31 #define USB_MAXADDR 127
35 int configure_usb_device(struct usb_s *cntl, int lowspeed);
36 struct usb_ctrlrequest;
37 int send_default_control(u32 endp, const struct usb_ctrlrequest *req
39 struct usb_pipe *alloc_intr_pipe(u32 endp, int period);
40 int usb_poll_intr(struct usb_pipe *pipe, void *data);
43 /****************************************************************
45 ****************************************************************/
48 mkendp(struct usb_s *cntl, u8 devaddr, u8 ep, u8 lowspeed, u8 maxsize)
50 u8 bus = cntl-USBControllers;
51 u8 size = __ffs(maxsize);
52 return (size<<25) | (lowspeed<<24) | (bus<<16) | (devaddr<<8) | ep;
55 static inline u8 endp2ep(u32 endp) {
58 static inline u8 endp2devaddr(u32 endp) {
61 static inline struct usb_s *endp2cntl(u32 endp) {
63 return &USBControllers[bus];
65 static inline u8 endp2speed(u32 endp) {
66 return (endp>>24) & 1;
68 static inline u8 endp2maxsize(u32 endp) {
69 return 1 << (endp>>25);
73 /****************************************************************
74 * usb structs and flags
75 ****************************************************************/
77 #define USB_PID_OUT 0xe1
78 #define USB_PID_IN 0x69
79 #define USB_PID_SETUP 0x2d
81 #define USB_DIR_OUT 0 /* to device */
82 #define USB_DIR_IN 0x80 /* to host */
84 #define USB_TYPE_MASK (0x03 << 5)
85 #define USB_TYPE_STANDARD (0x00 << 5)
86 #define USB_TYPE_CLASS (0x01 << 5)
87 #define USB_TYPE_VENDOR (0x02 << 5)
88 #define USB_TYPE_RESERVED (0x03 << 5)
90 #define USB_RECIP_MASK 0x1f
91 #define USB_RECIP_DEVICE 0x00
92 #define USB_RECIP_INTERFACE 0x01
93 #define USB_RECIP_ENDPOINT 0x02
94 #define USB_RECIP_OTHER 0x03
96 #define USB_REQ_GET_STATUS 0x00
97 #define USB_REQ_CLEAR_FEATURE 0x01
98 #define USB_REQ_SET_FEATURE 0x03
99 #define USB_REQ_SET_ADDRESS 0x05
100 #define USB_REQ_GET_DESCRIPTOR 0x06
101 #define USB_REQ_SET_DESCRIPTOR 0x07
102 #define USB_REQ_GET_CONFIGURATION 0x08
103 #define USB_REQ_SET_CONFIGURATION 0x09
104 #define USB_REQ_GET_INTERFACE 0x0A
105 #define USB_REQ_SET_INTERFACE 0x0B
106 #define USB_REQ_SYNCH_FRAME 0x0C
108 struct usb_ctrlrequest {
116 #define USB_DT_DEVICE 0x01
117 #define USB_DT_CONFIG 0x02
118 #define USB_DT_STRING 0x03
119 #define USB_DT_INTERFACE 0x04
120 #define USB_DT_ENDPOINT 0x05
121 #define USB_DT_DEVICE_QUALIFIER 0x06
122 #define USB_DT_OTHER_SPEED_CONFIG 0x07
124 struct usb_device_descriptor {
139 u8 bNumConfigurations;
142 #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
143 #define USB_CLASS_AUDIO 1
144 #define USB_CLASS_COMM 2
145 #define USB_CLASS_HID 3
146 #define USB_CLASS_PHYSICAL 5
147 #define USB_CLASS_STILL_IMAGE 6
148 #define USB_CLASS_PRINTER 7
149 #define USB_CLASS_MASS_STORAGE 8
150 #define USB_CLASS_HUB 9
152 struct usb_config_descriptor {
158 u8 bConfigurationValue;
164 struct usb_interface_descriptor {
169 u8 bAlternateSetting;
172 u8 bInterfaceSubClass;
173 u8 bInterfaceProtocol;
177 struct usb_endpoint_descriptor {
187 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
188 #define USB_ENDPOINT_DIR_MASK 0x80
190 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
191 #define USB_ENDPOINT_XFER_CONTROL 0
192 #define USB_ENDPOINT_XFER_ISOC 1
193 #define USB_ENDPOINT_XFER_BULK 2
194 #define USB_ENDPOINT_XFER_INT 3
195 #define USB_ENDPOINT_MAX_ADJUSTABLE 0x80