minix/drivers/usb/usbd/hcd/musb/musb_core.h

   1 /*
   2  * Interface of low level MUSB core logic (variant independent)
   3  */
   4
   5 #ifndef _MUSB_CORE_H_
   6 #define _MUSB_CORE_H_
   7
   8 #include <usbd/hcd_common.h>
   9
  10
  11 /*===========================================================================*
  12  *    Types and constants                                                    *
  13  *===========================================================================*/
  14 /* Structure to hold Mentor USB core configuration
  15  * May be more than one on a single chip
  16  * Should be initialized by MUSB's variant specific code (like AM335x) */
  17 typedef struct {
  18
  19         void * regs;    /* Points to beginning of memory mapped registers */
  20         hcd_reg1 ep;    /* Currently used endpoint */
  21         hcd_reg1 addr;  /* Currently used address */
  22         hcd_datatog * datatog_tx; /* Should point at currently used TX toggle */
  23         hcd_datatog * datatog_rx; /* Should point at currently used RX toggle */
  24 }
  25 musb_core_config;
  26
  27
  28 /*===========================================================================*
  29  *    Function prototypes                                                    *
  30  *===========================================================================*/
  31 /* Only to be used outside generic HCD code */
  32 void musb_core_start(void *);
  33 void musb_core_stop(void *);
  34
  35
  36 /* For HCD interface */
  37 void musb_setup_device(void *, hcd_reg1, hcd_reg1,
  38                         hcd_datatog *, hcd_datatog *);
  39 int musb_reset_device(void *, hcd_speed *);
  40 void musb_setup_stage(void *, hcd_ctrlrequest *);
  41 void musb_rx_stage(void *, hcd_datarequest *);
  42 void musb_tx_stage(void *, hcd_datarequest *);
  43 void musb_in_data_stage(void *);
  44 void musb_out_data_stage(void *);
  45 void musb_in_status_stage(void *);
  46 void musb_out_status_stage(void *);
  47 int musb_read_data(void *, hcd_reg1 *, hcd_reg1);
  48 int musb_check_error(void *, hcd_transfer, hcd_reg1, hcd_direction);
  49
  50
  51 #endif /* !_MUSB_CORE_H_ */