/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _EHCI_DEBUG_H_ #define _EHCI_DEBUG_H_ #include <types.h> void usbdebug_re_enable(uintptr_t ehci_base); void usbdebug_disable(void); /* Returns 0 on success and sets MMIO base and dbg_offset if EHCI debug * capability was found and enabled. Returns non-zero on error. */ int ehci_debug_hw_enable(unsigned int *base, unsigned int *dbg_offset); void ehci_debug_select_port(unsigned int port); #define DBGP_EP_VALID (1<<0) #define DBGP_EP_ENABLED (1<<1) #define DBGP_EP_BUSY (1<<2) #define DBGP_EP_NOT_PRESENT (1<<3) #define DBGP_EP_STATMASK (DBGP_EP_VALID | DBGP_EP_ENABLED) #define DBGP_MAX_ENDPOINTS 4 #define DBGP_SETUP_EP0 0 /* Compulsory endpoint 0. */ #define DBGP_CONSOLE_EPOUT 1 #define DBGP_CONSOLE_EPIN 2 struct ehci_dbg_port; struct dbgp_pipe { u8 devnum; u8 endpoint; u8 pid; u8 status; u16 timeout; u8 bufidx; u8 buflen; char buf[8]; } __packed; void dbgp_put(struct dbgp_pipe *pipe); int dbgp_try_get(struct dbgp_pipe *pipe); struct dbgp_pipe *dbgp_console_output(void); struct dbgp_pipe *dbgp_console_input(void); int dbgp_ep_is_active(struct dbgp_pipe *pipe); int dbgp_bulk_write_x(struct dbgp_pipe *pipe, const char *bytes, int size); int dbgp_bulk_read_x(struct dbgp_pipe *pipe, void *data, int size); int dbgp_control_msg(struct ehci_dbg_port *ehci_debug, unsigned int devnum, int requesttype, int request, int value, int index, void *data, int size); void dbgp_mdelay(int ms); int dbgp_probe_gadget(struct ehci_dbg_port *ehci_debug, struct dbgp_pipe *pipe); #endif /* _EHCI_DEBUG_H_ */