Files
system76-coreboot/src/drivers/usb/ehci_debug.h
Kyösti Mälkki 8cde852ecf usbdebug: Split to USB host/device
Top-level interface to console over USB mut not require low-level
details of ECHI debug port internals.

Change-Id: If3ca3b1f479e3f20976cd4abd8f5e682a58d5650
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5197
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-02-12 21:55:56 +01:00

53 lines
1.4 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#ifndef _EHCI_DEBUG_H_
#define _EHCI_DEBUG_H_
void usbdebug_re_enable(unsigned ehci_base);
void usbdebug_disable(void);
void ehci_debug_hw_enable(void);
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_STATMASK (DBGP_EP_VALID | DBGP_EP_ENABLED)
struct dbgp_pipe
{
u8 devnum;
u8 endpoint;
u8 pid;
u8 status;
int timeout;
u8 bufidx;
u8 buflen;
char buf[8];
};
void dbgp_put(struct dbgp_pipe *pipe);
int dbgp_try_get(struct dbgp_pipe *pipe);
#endif /* _EHCI_DEBUG_H_ */