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/*
* 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 USBDEBUG_H
#define USBDEBUG_H
#define EHCI_BAR_INDEX 0x10
#define PCI_EHCI_CLASSCODE 0x0c0320 /* USB2.0 with EHCI controller */
typedef u32 pci_devfn_t;
pci_devfn_t pci_ehci_dbg_dev(unsigned hcd_idx);
unsigned long pci_ehci_base_regs(pci_devfn_t dev);
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port);
void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base);
#ifndef __PRE_RAM__
#if !CONFIG_USBDEBUG
#define pci_ehci_read_resources pci_dev_read_resources
#else
/* Relocation of EHCI Debug Port BAR
*
* PCI EHCI controller with Debug Port capability shall replace
* pci_dev_read_resources() with pci_ehci_read_resources() in its
* declaration of device_operations for .read_resources.
* This installs a hook to reconfigure usbdebug when resource allocator
* assigns a new BAR for the device.
*/
struct device;
void pci_ehci_read_resources(struct device *dev);
#endif
#endif
struct dbgp_pipe;
int usbdebug_init(void);
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);
void usbdebug_tx_byte(struct dbgp_pipe *pipe, unsigned char data);
void usbdebug_tx_flush(struct dbgp_pipe *pipe);
#endif
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