00001
00044 #ifndef USB_UDC_H_INCLUDED
00045 #define USB_UDC_H_INCLUDED
00046
00047 #include <bitops.h>
00048 #include <usb/usb_protocol.h>
00049 #include <app/config_usb.h>
00050
00051 struct usb_request;
00052
00056 typedef int usb_ep_id_t;
00057
00061 enum usb_device_flag {
00062 USB_DEV_IS_ENABLED,
00063 USB_DEV_AUTOATTACH,
00064 USB_DEV_HAS_POWER,
00065 USB_DEV_IS_SUSPENDED,
00066 };
00067
00072 struct udc {
00077 const struct usb_configuration_descriptor *config;
00079 enum usb_device_speed speed;
00081 unsigned long flags;
00086 uint8_t address;
00087 };
00088
00100 static inline bool udc_is_high_speed(struct udc *udc)
00101 {
00102 #ifdef CONFIG_UDC_HIGH_SPEED
00103 return udc->speed == USB_SPEED_HIGH;
00104 #else
00105 return false;
00106 #endif
00107 }
00108
00121 static inline bool udc_is_full_speed(struct udc *udc)
00122 {
00123 #ifdef CONFIG_UDC_FULL_SPEED
00124 return udc->speed == USB_SPEED_FULL;
00125 #else
00126 return false;
00127 #endif
00128 }
00129
00143 static inline bool udc_is_low_speed(struct udc *udc)
00144 {
00145 #ifdef CONFIG_UDC_LOW_SPEED
00146 return udc->speed == USB_SPEED_LOW;
00147 #else
00148 return false;
00149 #endif
00150 }
00151
00157 static inline enum usb_device_state udc_state(struct udc *udc)
00158 {
00159 int state;
00160
00161 if (!test_bit(USB_DEV_HAS_POWER, &udc->flags))
00162 state = USB_STATE_ATTACHED;
00163 else if (udc->speed == USB_SPEED_UNKNOWN)
00164 state = USB_STATE_POWERED;
00165 else if (!udc->address)
00166 state = USB_STATE_DEFAULT;
00167 else if (!udc->config)
00168 state = USB_STATE_ADDRESS;
00169 else
00170 state = USB_STATE_CONFIGURED;
00171
00172 if (test_bit(USB_DEV_IS_SUSPENDED, &udc->flags))
00173 state |= USB_STATE_SUSPENDED;
00174
00175 return state;
00176 }
00177
00178 extern struct udc *udc_init(void);
00179
00180 extern void udc_attach(struct udc *udc);
00181 extern void udc_detach(struct udc *udc);
00182
00183 extern usb_ep_id_t udc_ep_create(struct udc *udc,
00184 const struct usb_endpoint_descriptor *desc,
00185 unsigned int nr_banks);
00186 extern void udc_ep_destroy(struct udc *udc, usb_ep_id_t ep);
00187
00188 extern int udc_ep_clear_halt(struct udc *udc, usb_ep_id_t ep);
00189 extern int udc_ep_set_halt(struct udc *udc, usb_ep_id_t ep);
00190 extern int udc_ep_is_halted(struct udc *udc, usb_ep_id_t ep);
00191
00192 extern void udc_ep_clear_wedge(struct udc *udc, usb_ep_id_t ep);
00193 extern void udc_ep_set_wedge(struct udc *udc, usb_ep_id_t ep);
00194 extern bool udc_ep_is_wedged(struct udc *udc, usb_ep_id_t);
00195
00196 extern void udc_ep0_submit_out_req(struct udc *udc, struct usb_request *req);
00197 extern void udc_ep0_submit_in_req(struct udc *udc, struct usb_request *req);
00198
00199 extern int udc_ep0_write_sync(struct udc *udc, const void *data, size_t len);
00200 extern void udc_ep0_send_status(struct udc *udc);
00201 extern void udc_ep0_expect_status(struct udc *udc);
00202 extern void udc_set_address(struct udc *udc, unsigned int addr);
00203
00204 extern void udc_ep_submit_out_req(struct udc *udc, usb_ep_id_t ep,
00205 struct usb_request *req);
00206 extern void udc_ep_submit_in_req(struct udc *udc, usb_ep_id_t ep,
00207 struct usb_request *req);
00208
00209 extern void udc_ep_flush(struct udc *udc, usb_ep_id_t ep);
00210
00211 extern int udc_enter_test_mode(struct udc *udc, unsigned int mode);
00212
00213 extern int udc_lib_process_setup_request(struct udc *udc,
00214 struct usb_setup_req *req);
00215
00216 #endif
