| /* |
| * 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; |
| |
| } __attribute__ ((packed)) |
| td_t; |
| |
| typedef struct { |
| flistp_t headlinkptr; |
| volatile flistp_t elementlinkptr; |
| } __attribute__ ((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 |