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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#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_ */
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