1 2/*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#ifndef _XHCIREG_H_ 30#define _XHCIREG_H_ 31 32/* XHCI PCI config registers */ 33#define PCI_XHCI_CBMEM 0x10 /* configuration base MEM */ 34#define PCI_XHCI_USBREV 0x60 /* RO USB protocol revision */ 35#define PCI_USB_REV_3_0 0x30 /* USB 3.0 */ 36#define PCI_XHCI_FLADJ 0x61 /* RW frame length adjust */ 37 38#define PCI_XHCI_INTEL_XUSB2PR 0xD0 /* Intel USB2 Port Routing */ 39#define PCI_XHCI_INTEL_USB2PRM 0xD4 /* Intel USB2 Port Routing Mask */ 40#define PCI_XHCI_INTEL_USB3_PSSEN 0xD8 /* Intel USB3 Port SuperSpeed Enable */ 41#define PCI_XHCI_INTEL_USB3PRM 0xDC /* Intel USB3 Port Routing Mask */ 42 43/* XHCI capability registers */ 44#define XHCI_CAPLENGTH 0x00 /* RO capability */ 45#define XHCI_RESERVED 0x01 /* Reserved */ 46#define XHCI_HCIVERSION 0x02 /* RO Interface version number */ 47#define XHCI_HCIVERSION_0_9 0x0090 /* xHCI version 0.9 */ 48#define XHCI_HCIVERSION_1_0 0x0100 /* xHCI version 1.0 */ 49#define XHCI_HCSPARAMS1 0x04 /* RO structural parameters 1 */ 50#define XHCI_HCS1_DEVSLOT_MAX(x)((x) & 0xFF) 51#define XHCI_HCS1_IRQ_MAX(x) (((x) >> 8) & 0x3FF) 52#define XHCI_HCS1_N_PORTS(x) (((x) >> 24) & 0xFF) 53#define XHCI_HCSPARAMS2 0x08 /* RO structural parameters 2 */ 54#define XHCI_HCS2_IST(x) ((x) & 0xF) 55#define XHCI_HCS2_ERST_MAX(x) (((x) >> 4) & 0xF) 56#define XHCI_HCS2_SPR(x) (((x) >> 26) & 0x1) 57#define XHCI_HCS2_SPB_MAX(x) ((((x) >> 16) & 0x3E0) | (((x) >> 27) & 0x1F)) 58#define XHCI_HCSPARAMS3 0x0C /* RO structural parameters 3 */ 59#define XHCI_HCS3_U1_DEL(x) ((x) & 0xFF) 60#define XHCI_HCS3_U2_DEL(x) (((x) >> 16) & 0xFFFF) 61#define XHCI_HCSPARAMS0 0x10 /* RO capability parameters */ 62#define XHCI_HCS0_AC64(x) ((x) & 0x1) /* 64-bit capable */ 63#define XHCI_HCS0_BNC(x) (((x) >> 1) & 0x1) /* BW negotiation */ 64#define XHCI_HCS0_CSZ(x) (((x) >> 2) & 0x1) /* context size */ 65#define XHCI_HCS0_PPC(x) (((x) >> 3) & 0x1) /* port power control */ 66#define XHCI_HCS0_PIND(x) (((x) >> 4) & 0x1) /* port indicators */ 67#define XHCI_HCS0_LHRC(x) (((x) >> 5) & 0x1) /* light HC reset */ 68#define XHCI_HCS0_LTC(x) (((x) >> 6) & 0x1) /* latency tolerance msg */ 69#define XHCI_HCS0_NSS(x) (((x) >> 7) & 0x1) /* no secondary sid */ 70#define XHCI_HCS0_PSA_SZ_MAX(x) (((x) >> 12) & 0xF) /* max pri. stream array size */ 71#define XHCI_HCS0_XECP(x) (((x) >> 16) & 0xFFFF) /* extended capabilities pointer */ 72#define XHCI_DBOFF 0x14 /* RO doorbell offset */ 73#define XHCI_RTSOFF 0x18 /* RO runtime register space offset */ 74 75/* XHCI operational registers. Offset given by XHCI_CAPLENGTH register */ 76#define XHCI_USBCMD 0x00 /* XHCI command */ 77#define XHCI_CMD_RS 0x00000001 /* RW Run/Stop */ 78#define XHCI_CMD_HCRST 0x00000002 /* RW Host Controller Reset */ 79#define XHCI_CMD_INTE 0x00000004 /* RW Interrupter Enable */ 80#define XHCI_CMD_HSEE 0x00000008 /* RW Host System Error Enable */ 81#define XHCI_CMD_LHCRST 0x00000080 /* RO/RW Light Host Controller Reset */ 82#define XHCI_CMD_CSS 0x00000100 /* RW Controller Save State */ 83#define XHCI_CMD_CRS 0x00000200 /* RW Controller Restore State */ 84#define XHCI_CMD_EWE 0x00000400 /* RW Enable Wrap Event */ 85#define XHCI_CMD_EU3S 0x00000800 /* RW Enable U3 MFINDEX Stop */ 86#define XHCI_USBSTS 0x04 /* XHCI status */ 87#define XHCI_STS_HCH 0x00000001 /* RO - Host Controller Halted */ 88#define XHCI_STS_HSE 0x00000004 /* RW - Host System Error */ 89#define XHCI_STS_EINT 0x00000008 /* RW - Event Interrupt */ 90#define XHCI_STS_PCD 0x00000010 /* RW - Port Change Detect */ 91#define XHCI_STS_SSS 0x00000100 /* RO - Save State Status */ 92#define XHCI_STS_RSS 0x00000200 /* RO - Restore State Status */ 93#define XHCI_STS_SRE 0x00000400 /* RW - Save/Restore Error */ 94#define XHCI_STS_CNR 0x00000800 /* RO - Controller Not Ready */ 95#define XHCI_STS_HCE 0x00001000 /* RO - Host Controller Error */ 96#define XHCI_PAGESIZE 0x08 /* XHCI page size mask */ 97#define XHCI_PAGESIZE_4K 0x00000001 /* 4K Page Size */ 98#define XHCI_PAGESIZE_8K 0x00000002 /* 8K Page Size */ 99#define XHCI_PAGESIZE_16K 0x00000004 /* 16K Page Size */ 100#define XHCI_PAGESIZE_32K 0x00000008 /* 32K Page Size */ 101#define XHCI_PAGESIZE_64K 0x00000010 /* 64K Page Size */ 102#define XHCI_DNCTRL 0x14 /* XHCI device notification control */ 103#define XHCI_DNCTRL_MASK(n) (1U << (n)) 104#define XHCI_CRCR_LO 0x18 /* XHCI command ring control */ 105#define XHCI_CRCR_LO_RCS 0x00000001 /* RW - consumer cycle state */ 106#define XHCI_CRCR_LO_CS 0x00000002 /* RW - command stop */ 107#define XHCI_CRCR_LO_CA 0x00000004 /* RW - command abort */ 108#define XHCI_CRCR_LO_CRR 0x00000008 /* RW - command ring running */ 109#define XHCI_CRCR_LO_MASK 0x0000000F 110#define XHCI_CRCR_HI 0x1C /* XHCI command ring control */ 111#define XHCI_DCBAAP_LO 0x30 /* XHCI dev context BA pointer */ 112#define XHCI_DCBAAP_HI 0x34 /* XHCI dev context BA pointer */ 113#define XHCI_CONFIG 0x38 114#define XHCI_CONFIG_SLOTS_MASK 0x000000FF /* RW - number of device slots enabled */ 115 116/* XHCI port status registers */ 117#define XHCI_PORTSC(n) (0x3F0 + (0x10 * (n))) /* XHCI port status */ 118#define XHCI_PS_CCS 0x00000001 /* RO - current connect status */ 119#define XHCI_PS_PED 0x00000002 /* RW - port enabled / disabled */ 120#define XHCI_PS_OCA 0x00000008 /* RO - over current active */ 121#define XHCI_PS_PR 0x00000010 /* RW - port reset */ 122#define XHCI_PS_PLS_GET(x) (((x) >> 5) & 0xF) /* RW - port link state */ 123#define XHCI_PS_PLS_SET(x) (((x) & 0xF) << 5) /* RW - port link state */ 124#define XHCI_PS_PP 0x00000200 /* RW - port power */ 125#define XHCI_PS_SPEED_GET(x) (((x) >> 10) & 0xF) /* RO - port speed */ 126#define XHCI_PS_SPEED_FULL 0x1 /* Full Speed USB */ 127#define XHCI_PS_SPEED_LOW 0x2 /* Low Speed USB */ 128#define XHCI_PS_SPEED_HIGH 0x3 /* High Speed USB */ 129#define XHCI_PS_SPEED_SS 0x4 /* Super Speed USB */ 130#define XHCI_PS_PIC_GET(x) (((x) >> 14) & 0x3) /* RW - port indicator */ 131#define XHCI_PS_PIC_SET(x) (((x) & 0x3) << 14) /* RW - port indicator */ 132#define XHCI_PS_LWS 0x00010000 /* RW - port link state write strobe */ 133#define XHCI_PS_CSC 0x00020000 /* RW - connect status change */ 134#define XHCI_PS_PEC 0x00040000 /* RW - port enable/disable change */ 135#define XHCI_PS_WRC 0x00080000 /* RW - warm port reset change */ 136#define XHCI_PS_OCC 0x00100000 /* RW - over-current change */ 137#define XHCI_PS_PRC 0x00200000 /* RW - port reset change */ 138#define XHCI_PS_PLC 0x00400000 /* RW - port link state change */ 139#define XHCI_PS_CEC 0x00800000 /* RW - config error change */ 140#define XHCI_PS_CAS 0x01000000 /* RO - cold attach status */ 141#define XHCI_PS_WCE 0x02000000 /* RW - wake on connect enable */ 142#define XHCI_PS_WDE 0x04000000 /* RW - wake on disconnect enable */ 143#define XHCI_PS_WOE 0x08000000 /* RW - wake on over-current enable */ 144#define XHCI_PS_DR 0x40000000 /* RO - device removable */ 145#define XHCI_PS_WPR 0x80000000U /* RW - warm port reset */ 146#define XHCI_PS_CLEAR 0x80FF01FFU /* command bits */ 147 148#define XHCI_PORTPMSC(n) (0x3F4 + (0x10 * (n))) /* XHCI status and control */ 149#define XHCI_PM3_U1TO_GET(x) (((x) >> 0) & 0xFF) /* RW - U1 timeout */ 150#define XHCI_PM3_U1TO_SET(x) (((x) & 0xFF) << 0) /* RW - U1 timeout */ 151#define XHCI_PM3_U2TO_GET(x) (((x) >> 8) & 0xFF) /* RW - U2 timeout */ 152#define XHCI_PM3_U2TO_SET(x) (((x) & 0xFF) << 8) /* RW - U2 timeout */ 153#define XHCI_PM3_FLA 0x00010000 /* RW - Force Link PM Accept */ 154#define XHCI_PM2_L1S_GET(x) (((x) >> 0) & 0x7) /* RO - L1 status */ 155#define XHCI_PM2_RWE 0x00000008 /* RW - remote wakup enable */ 156#define XHCI_PM2_HIRD_GET(x) (((x) >> 4) & 0xF) /* RW - host initiated resume duration */ 157#define XHCI_PM2_HIRD_SET(x) (((x) & 0xF) << 4) /* RW - host initiated resume duration */ 158#define XHCI_PM2_L1SLOT_GET(x) (((x) >> 8) & 0xFF) /* RW - L1 device slot */ 159#define XHCI_PM2_L1SLOT_SET(x) (((x) & 0xFF) << 8) /* RW - L1 device slot */ 160#define XHCI_PM2_HLE 0x00010000 /* RW - hardware LPM enable */ 161#define XHCI_PORTLI(n) (0x3F8 + (0x10 * (n))) /* XHCI port link info */ 162#define XHCI_PLI3_ERR_GET(x) (((x) >> 0) & 0xFFFF) /* RO - port link errors */ 163#define XHCI_PORTRSV(n) (0x3FC + (0x10 * (n))) /* XHCI port reserved */ 164 165/* XHCI runtime registers. Offset given by XHCI_CAPLENGTH + XHCI_RTSOFF registers */ 166#define XHCI_MFINDEX 0x0000 /* RO - microframe index */ 167#define XHCI_MFINDEX_GET(x) ((x) & 0x3FFF) 168#define XHCI_IMAN(n) (0x0020 + (0x20 * (n))) /* XHCI interrupt management */ 169#define XHCI_IMAN_INTR_PEND 0x00000001 /* RW - interrupt pending */ 170#define XHCI_IMAN_INTR_ENA 0x00000002 /* RW - interrupt enable */ 171#define XHCI_IMOD(n) (0x0024 + (0x20 * (n))) /* XHCI interrupt moderation */ 172#define XHCI_IMOD_IVAL_GET(x) (((x) >> 0) & 0xFFFF) /* 250ns unit */ 173#define XHCI_IMOD_IVAL_SET(x) (((x) & 0xFFFF) << 0) /* 250ns unit */ 174#define XHCI_IMOD_ICNT_GET(x) (((x) >> 16) & 0xFFFF) /* 250ns unit */ 175#define XHCI_IMOD_ICNT_SET(x) (((x) & 0xFFFF) << 16) /* 250ns unit */ 176#define XHCI_IMOD_DEFAULT 0x000001F4U /* 8000 IRQs/second */ 177#define XHCI_IMOD_DEFAULT_LP 0x000003F8U /* 4000 IRQs/second - LynxPoint */ 178#define XHCI_ERSTSZ(n) (0x0028 + (0x20 * (n))) /* XHCI event ring segment table size */ 179#define XHCI_ERSTS_GET(x) ((x) & 0xFFFF) 180#define XHCI_ERSTS_SET(x) ((x) & 0xFFFF) 181#define XHCI_ERSTBA_LO(n) (0x0030 + (0x20 * (n))) /* XHCI event ring segment table BA */ 182#define XHCI_ERSTBA_HI(n) (0x0034 + (0x20 * (n))) /* XHCI event ring segment table BA */ 183#define XHCI_ERDP_LO(n) (0x0038 + (0x20 * (n))) /* XHCI event ring dequeue pointer */ 184#define XHCI_ERDP_LO_SINDEX(x) ((x) & 0x7) /* RO - dequeue segment index */ 185#define XHCI_ERDP_LO_BUSY 0x00000008 /* RW - event handler busy */ 186#define XHCI_ERDP_HI(n) (0x003C + (0x20 * (n))) /* XHCI event ring dequeue pointer */ 187 188/* XHCI doorbell registers. Offset given by XHCI_CAPLENGTH + XHCI_DBOFF registers */ 189#define XHCI_DOORBELL(n) (0x0000 + (4 * (n))) 190#define XHCI_DB_TARGET_GET(x) ((x) & 0xFF) /* RW - doorbell target */ 191#define XHCI_DB_TARGET_SET(x) ((x) & 0xFF) /* RW - doorbell target */ 192#define XHCI_DB_SID_GET(x) (((x) >> 16) & 0xFFFF) /* RW - doorbell stream ID */ 193#define XHCI_DB_SID_SET(x) (((x) & 0xFFFF) << 16) /* RW - doorbell stream ID */ 194 195/* XHCI legacy support */ 196#define XHCI_XECP_ID(x) ((x) & 0xFF) 197#define XHCI_XECP_NEXT(x) (((x) >> 8) & 0xFF) 198#define XHCI_XECP_BIOS_SEM 0x0002 199#define XHCI_XECP_OS_SEM 0x0003 200 201/* XHCI capability ID's */ 202#define XHCI_ID_USB_LEGACY 0x0001 203#define XHCI_ID_PROTOCOLS 0x0002 204#define XHCI_ID_POWER_MGMT 0x0003 205#define XHCI_ID_VIRTUALIZATION 0x0004 206#define XHCI_ID_MSG_IRQ 0x0005 207#define XHCI_ID_USB_LOCAL_MEM 0x0006 208 209/* XHCI register R/W wrappers */ 210#define XREAD1(sc, what, a) \ 211 bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 212 (a) + (sc)->sc_##what##_off) 213#define XREAD2(sc, what, a) \ 214 bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 215 (a) + (sc)->sc_##what##_off) 216#define XREAD4(sc, what, a) \ 217 bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 218 (a) + (sc)->sc_##what##_off) 219#define XWRITE1(sc, what, a, x) \ 220 bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 221 (a) + (sc)->sc_##what##_off, (x)) 222#define XWRITE2(sc, what, a, x) \ 223 bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 224 (a) + (sc)->sc_##what##_off, (x)) 225#define XWRITE4(sc, what, a, x) \ 226 bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, \ 227 (a) + (sc)->sc_##what##_off, (x)) 228 229#endif /* _XHCIREG_H_ */ 230