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/*
* This file is part of the libpayload project.
*
* Copyright (C) 2008-2010 coresystems GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __UHCI_PRIVATE_H
#define __UHCI_PRIVATE_H
typedef enum { UHCI_SETUP = 0x2d, UHCI_IN = 0x69, UHCI_OUT = 0xe1 } uhci_pid_t;
typedef u32 flistp_t;
#define FLISTP_TERMINATE 1
#define FLISTP_QH 2
typedef struct {
u32 ptr;
#define TD_TERMINATE 1
#define TD_QH 2
#define TD_DEPTH_FIRST 4
u32 ctrlsts;
#define TD_STATUS_MASK (0xff << 16)
#define TD_STATUS_BITSTUFF_ERR (1 << 17)
#define TD_STATUS_CRC_ERR (1 << 18)
#define TD_STATUS_NAK_RCVD (1 << 19)
#define TD_STATUS_BABBLE (1 << 20)
#define TD_STATUS_DATABUF_ERR (1 << 21)
#define TD_STATUS_STALLED (1 << 22)
#define TD_STATUS_ACTIVE (1 << 23)
#define TD_LOWSPEED (1 << 26)
#define TD_COUNTER_SHIFT 27
u32 token;
#define TD_PID_MASK 0xff
#define TD_DEVADDR_SHIFT 8
#define TD_DEVADDR_MASK (((1 << 7)-1) << TD_DEVADDR_SHIFT)
#define TD_EP_SHIFT 15
#define TD_EP_MASK (0xf << TD_EP_SHIFT)
#define TD_TOGGLE_SHIFT 19
#define TD_MAXLEN_SHIFT 21
#define TD_TOGGLE_DATA0 0
#define TD_TOGGLE_DATA1 (1 << TD_TOGGLE_SHIFT)
u32 bufptr;
} __packed
td_t;
typedef struct {
flistp_t headlinkptr;
volatile flistp_t elementlinkptr;
} __packed
qh_t;
typedef enum { USBCMD = 0, USBSTS = 2, USBINTR = 4, FRNUM =
6, FLBASEADD = 8, SOFMOD = 0xc, PORTSC1 = 0x10, PORTSC2 =
0x12
} usbreg;
void uhci_reg_write32 (hci_t *ctrl, usbreg reg, u32 value);
u32 uhci_reg_read32 (hci_t *ctrl, usbreg reg);
void uhci_reg_write16 (hci_t *ctrl, usbreg reg, u16 value);
u16 uhci_reg_read16 (hci_t *ctrl, usbreg reg);
void uhci_reg_write8 (hci_t *ctrl, usbreg reg, u8 value);
u8 uhci_reg_read8 (hci_t *ctrl, usbreg reg);
typedef struct uhci {
flistp_t *framelistptr;
qh_t *qh_prei, *qh_intr, *qh_data, *qh_last;
usbdev_t *roothub;
} uhci_t;
#define UHCI_INST(controller) ((uhci_t*)((controller)->instance))
#endif
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