1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart@augustsson.net). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef _EHCIREG_H_ 33#define _EHCIREG_H_ 34 35/* PCI config registers */ 36#define PCI_CBMEM 0x10 /* configuration base MEM */ 37#define PCI_INTERFACE_EHCI 0x20 38#define PCI_USBREV 0x60 /* RO USB protocol revision */ 39#define PCI_USB_REV_MASK 0xff 40#define PCI_USB_REV_PRE_1_0 0x00 41#define PCI_USB_REV_1_0 0x10 42#define PCI_USB_REV_1_1 0x11 43#define PCI_USB_REV_2_0 0x20 44#define PCI_EHCI_FLADJ 0x61 /* RW Frame len adj, SOF=59488+6*fladj */ 45#define PCI_EHCI_PORTWAKECAP 0x62 /* RW Port wake caps (opt) */ 46 47/* EHCI Extended Capabilities */ 48#define EHCI_EC_LEGSUP 0x01 49#define EHCI_EECP_NEXT(x) (((x) >> 8) & 0xff) 50#define EHCI_EECP_ID(x) ((x) & 0xff) 51 52/* Legacy support extended capability */ 53#define EHCI_LEGSUP_BIOS_SEM 0x02 54#define EHCI_LEGSUP_OS_SEM 0x03 55#define EHCI_LEGSUP_USBLEGCTLSTS 0x04 56 57/* EHCI capability registers */ 58#define EHCI_CAPLEN_HCIVERSION 0x00 /* RO Capability register length 59 * (least-significant byte) and 60 * interface version number (two 61 * most significant) 62 */ 63#define EHCI_CAPLENGTH(x) ((x) & 0xff) 64#define EHCI_HCIVERSION(x) (((x) >> 16) & 0xffff) 65#define EHCI_HCSPARAMS 0x04 /* RO Structural parameters */ 66#define EHCI_HCS_DEBUGPORT(x) (((x) >> 20) & 0xf) 67#define EHCI_HCS_P_INDICATOR(x) ((x) & 0x10000) 68#define EHCI_HCS_N_CC(x) (((x) >> 12) & 0xf) /* # of companion ctlrs */ 69#define EHCI_HCS_N_PCC(x) (((x) >> 8) & 0xf) /* # of ports per comp. */ 70#define EHCI_HCS_PPC(x) ((x) & 0x10) /* port power control */ 71#define EHCI_HCS_N_PORTS(x) ((x) & 0xf) /* # of ports */ 72#define EHCI_HCCPARAMS 0x08 /* RO Capability parameters */ 73#define EHCI_HCC_EECP(x) (((x) >> 8) & 0xff) /* extended ports caps */ 74#define EHCI_HCC_IST(x) (((x) >> 4) & 0xf) /* isoc sched threshold */ 75#define EHCI_HCC_ASPC(x) ((x) & 0x4) /* async sched park cap */ 76#define EHCI_HCC_PFLF(x) ((x) & 0x2) /* prog frame list flag */ 77#define EHCI_HCC_64BIT(x) ((x) & 0x1) /* 64 bit address cap */ 78#define EHCI_HCSP_PORTROUTE 0x0c /* RO Companion port route description */ 79 80/* EHCI operational registers. Offset given by EHCI_CAPLENGTH register */ 81#define EHCI_USBCMD 0x00 /* RO, RW, WO Command register */ 82#define EHCI_CMD_ITC_M 0x00ff0000 /* RW interrupt threshold ctrl */ 83#define EHCI_CMD_ITC_1 0x00010000 84#define EHCI_CMD_ITC_2 0x00020000 85#define EHCI_CMD_ITC_4 0x00040000 86#define EHCI_CMD_ITC_8 0x00080000 87#define EHCI_CMD_ITC_16 0x00100000 88#define EHCI_CMD_ITC_32 0x00200000 89#define EHCI_CMD_ITC_64 0x00400000 90#define EHCI_CMD_ASPME 0x00000800 /* RW/RO async park enable */ 91#define EHCI_CMD_ASPMC 0x00000300 /* RW/RO async park count */ 92#define EHCI_CMD_LHCR 0x00000080 /* RW light host ctrl reset */ 93#define EHCI_CMD_IAAD 0x00000040 /* RW intr on async adv door 94 * bell */ 95#define EHCI_CMD_ASE 0x00000020 /* RW async sched enable */ 96#define EHCI_CMD_PSE 0x00000010 /* RW periodic sched enable */ 97#define EHCI_CMD_FLS_M 0x0000000c /* RW/RO frame list size */ 98#define EHCI_CMD_FLS(x) (((x) >> 2) & 3) /* RW/RO frame list size */ 99#define EHCI_CMD_HCRESET 0x00000002 /* RW reset */ 100#define EHCI_CMD_RS 0x00000001 /* RW run/stop */ 101#define EHCI_USBSTS 0x04 /* RO, RW, RWC Status register */ 102#define EHCI_STS_ASS 0x00008000 /* RO async sched status */ 103#define EHCI_STS_PSS 0x00004000 /* RO periodic sched status */ 104#define EHCI_STS_REC 0x00002000 /* RO reclamation */ 105#define EHCI_STS_HCH 0x00001000 /* RO host controller halted */ 106#define EHCI_STS_IAA 0x00000020 /* RWC interrupt on async adv */ 107#define EHCI_STS_HSE 0x00000010 /* RWC host system error */ 108#define EHCI_STS_FLR 0x00000008 /* RWC frame list rollover */ 109#define EHCI_STS_PCD 0x00000004 /* RWC port change detect */ 110#define EHCI_STS_ERRINT 0x00000002 /* RWC error interrupt */ 111#define EHCI_STS_INT 0x00000001 /* RWC interrupt */ 112#define EHCI_STS_INTRS(x) ((x) & 0x3f) 113 114/* 115 * NOTE: the doorbell interrupt is enabled, but the doorbell is never 116 * used! SiS chipsets require this. 117 */ 118#define EHCI_NORMAL_INTRS (EHCI_STS_IAA | EHCI_STS_HSE | \ 119 EHCI_STS_PCD | EHCI_STS_ERRINT | EHCI_STS_INT) 120 121#define EHCI_USBINTR 0x08 /* RW Interrupt register */ 122#define EHCI_INTR_IAAE 0x00000020 /* interrupt on async advance 123 * ena */ 124#define EHCI_INTR_HSEE 0x00000010 /* host system error ena */ 125#define EHCI_INTR_FLRE 0x00000008 /* frame list rollover ena */ 126#define EHCI_INTR_PCIE 0x00000004 /* port change ena */ 127#define EHCI_INTR_UEIE 0x00000002 /* USB error intr ena */ 128#define EHCI_INTR_UIE 0x00000001 /* USB intr ena */ 129 130#define EHCI_FRINDEX 0x0c /* RW Frame Index register */ 131 132#define EHCI_CTRLDSSEGMENT 0x10 /* RW Control Data Structure Segment */ 133 134#define EHCI_PERIODICLISTBASE 0x14 /* RW Periodic List Base */ 135#define EHCI_ASYNCLISTADDR 0x18 /* RW Async List Base */ 136 137#define EHCI_CONFIGFLAG 0x40 /* RW Configure Flag register */ 138#define EHCI_CONF_CF 0x00000001 /* RW configure flag */ 139 140#define EHCI_PORTSC(n) (0x40+(4*(n))) /* RO, RW, RWC Port Status reg */ 141#define EHCI_PS_WKOC_E 0x00400000 /* RW wake on over current ena */ 142#define EHCI_PS_WKDSCNNT_E 0x00200000 /* RW wake on disconnect ena */ 143#define EHCI_PS_WKCNNT_E 0x00100000 /* RW wake on connect ena */ 144#define EHCI_PS_PTC 0x000f0000 /* RW port test control */ 145#define EHCI_PS_PIC 0x0000c000 /* RW port indicator control */ 146#define EHCI_PS_PO 0x00002000 /* RW port owner */ 147#define EHCI_PS_PP 0x00001000 /* RW,RO port power */ 148#define EHCI_PS_LS 0x00000c00 /* RO line status */ 149#define EHCI_PS_IS_LOWSPEED(x) (((x) & EHCI_PS_LS) == 0x00000400) 150#define EHCI_PS_PR 0x00000100 /* RW port reset */ 151#define EHCI_PS_SUSP 0x00000080 /* RW suspend */ 152#define EHCI_PS_FPR 0x00000040 /* RW force port resume */ 153#define EHCI_PS_OCC 0x00000020 /* RWC over current change */ 154#define EHCI_PS_OCA 0x00000010 /* RO over current active */ 155#define EHCI_PS_PEC 0x00000008 /* RWC port enable change */ 156#define EHCI_PS_PE 0x00000004 /* RW port enable */ 157#define EHCI_PS_CSC 0x00000002 /* RWC connect status change */ 158#define EHCI_PS_CS 0x00000001 /* RO connect status */ 159#define EHCI_PS_CLEAR (EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC) 160 161#define EHCI_PORT_RESET_COMPLETE 2 /* ms */ 162 163/* 164 * Registers not covered by EHCI specification 165 * 166 * 167 * EHCI_USBMODE register offset is different for cores with LPM support, 168 * bits are equal 169 */ 170#define EHCI_USBMODE_NOLPM 0x68 /* RW USB Device mode reg (no LPM) */ 171#define EHCI_USBMODE_LPM 0xC8 /* RW USB Device mode reg (LPM) */ 172#define EHCI_UM_CM 0x00000003 /* R/WO Controller Mode */ 173#define EHCI_UM_CM_IDLE 0x0 /* Idle */ 174#define EHCI_UM_CM_HOST 0x3 /* Host Controller */ 175#define EHCI_UM_ES 0x00000004 /* R/WO Endian Select */ 176#define EHCI_UM_ES_LE 0x0 /* Little-endian byte alignment */ 177#define EHCI_UM_ES_BE 0x4 /* Big-endian byte alignment */ 178#define EHCI_UM_SDIS 0x00000010 /* R/WO Stream Disable Mode */ 179 180/* 181 * Actual port speed bits depends on EHCI_HOSTC(n) registers presence, 182 * speed encoding is equal 183 */ 184#define EHCI_HOSTC(n) (0x80+(4*(n))) /* RO, RW Host mode control reg */ 185#define EHCI_HOSTC_PSPD_SHIFT 25 186#define EHCI_HOSTC_PSPD_MASK 0x3 187 188#define EHCI_PORTSC_PSPD_SHIFT 26 189#define EHCI_PORTSC_PSPD_MASK 0x3 190 191#define EHCI_PORT_SPEED_FULL 0 192#define EHCI_PORT_SPEED_LOW 1 193#define EHCI_PORT_SPEED_HIGH 2 194#endif /* _EHCIREG_H_ */ 195