495ed64c16
within the first 4 bytes of the EHCI memory space. For controllers that use big-endian MMIO, reading them with 1- and 2-byte reads would then return the wrong values. Instead, read the combined register with a 4-byte read and mask out the interesting quantities.
172 lines
7.9 KiB
C
172 lines
7.9 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EHCIREG_H_
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#define _EHCIREG_H_
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/* PCI config registers */
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#define PCI_CBMEM 0x10 /* configuration base MEM */
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#define PCI_INTERFACE_EHCI 0x20
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#define PCI_USBREV 0x60 /* RO USB protocol revision */
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#define PCI_USB_REV_MASK 0xff
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#define PCI_USB_REV_PRE_1_0 0x00
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#define PCI_USB_REV_1_0 0x10
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#define PCI_USB_REV_1_1 0x11
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#define PCI_USB_REV_2_0 0x20
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#define PCI_EHCI_FLADJ 0x61 /* RW Frame len adj, SOF=59488+6*fladj */
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#define PCI_EHCI_PORTWAKECAP 0x62 /* RW Port wake caps (opt) */
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/* EHCI Extended Capabilities */
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#define EHCI_EC_LEGSUP 0x01
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#define EHCI_EECP_NEXT(x) (((x) >> 8) & 0xff)
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#define EHCI_EECP_ID(x) ((x) & 0xff)
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/* Legacy support extended capability */
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#define EHCI_LEGSUP_BIOS_SEM 0x02
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#define EHCI_LEGSUP_OS_SEM 0x03
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#define EHCI_LEGSUP_USBLEGCTLSTS 0x04
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/* EHCI capability registers */
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#define EHCI_CAPLEN_HCIVERSION 0x00 /* RO Capability register length
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* (least-significant byte) and
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* interface version number (two
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* most significant)
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*/
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#define EHCI_CAPLENGTH(x) ((x) & 0xff)
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#define EHCI_HCIVERSION(x) (((x) >> 16) & 0xffff)
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#define EHCI_HCSPARAMS 0x04 /* RO Structural parameters */
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#define EHCI_HCS_DEBUGPORT(x) (((x) >> 20) & 0xf)
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#define EHCI_HCS_P_INDICATOR(x) ((x) & 0x10000)
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#define EHCI_HCS_N_CC(x) (((x) >> 12) & 0xf) /* # of companion ctlrs */
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#define EHCI_HCS_N_PCC(x) (((x) >> 8) & 0xf) /* # of ports per comp. */
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#define EHCI_HCS_PPC(x) ((x) & 0x10) /* port power control */
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#define EHCI_HCS_N_PORTS(x) ((x) & 0xf) /* # of ports */
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#define EHCI_HCCPARAMS 0x08 /* RO Capability parameters */
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#define EHCI_HCC_EECP(x) (((x) >> 8) & 0xff) /* extended ports caps */
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#define EHCI_HCC_IST(x) (((x) >> 4) & 0xf) /* isoc sched threshold */
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#define EHCI_HCC_ASPC(x) ((x) & 0x4) /* async sched park cap */
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#define EHCI_HCC_PFLF(x) ((x) & 0x2) /* prog frame list flag */
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#define EHCI_HCC_64BIT(x) ((x) & 0x1) /* 64 bit address cap */
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#define EHCI_HCSP_PORTROUTE 0x0c /* RO Companion port route description */
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/* EHCI operational registers. Offset given by EHCI_CAPLENGTH register */
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#define EHCI_USBCMD 0x00 /* RO, RW, WO Command register */
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#define EHCI_CMD_ITC_M 0x00ff0000 /* RW interrupt threshold ctrl */
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#define EHCI_CMD_ITC_1 0x00010000
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#define EHCI_CMD_ITC_2 0x00020000
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#define EHCI_CMD_ITC_4 0x00040000
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#define EHCI_CMD_ITC_8 0x00080000
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#define EHCI_CMD_ITC_16 0x00100000
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#define EHCI_CMD_ITC_32 0x00200000
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#define EHCI_CMD_ITC_64 0x00400000
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#define EHCI_CMD_ASPME 0x00000800 /* RW/RO async park enable */
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#define EHCI_CMD_ASPMC 0x00000300 /* RW/RO async park count */
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#define EHCI_CMD_LHCR 0x00000080 /* RW light host ctrl reset */
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#define EHCI_CMD_IAAD 0x00000040 /* RW intr on async adv door
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* bell */
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#define EHCI_CMD_ASE 0x00000020 /* RW async sched enable */
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#define EHCI_CMD_PSE 0x00000010 /* RW periodic sched enable */
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#define EHCI_CMD_FLS_M 0x0000000c /* RW/RO frame list size */
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#define EHCI_CMD_FLS(x) (((x) >> 2) & 3) /* RW/RO frame list size */
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#define EHCI_CMD_HCRESET 0x00000002 /* RW reset */
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#define EHCI_CMD_RS 0x00000001 /* RW run/stop */
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#define EHCI_USBSTS 0x04 /* RO, RW, RWC Status register */
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#define EHCI_STS_ASS 0x00008000 /* RO async sched status */
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#define EHCI_STS_PSS 0x00004000 /* RO periodic sched status */
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#define EHCI_STS_REC 0x00002000 /* RO reclamation */
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#define EHCI_STS_HCH 0x00001000 /* RO host controller halted */
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#define EHCI_STS_IAA 0x00000020 /* RWC interrupt on async adv */
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#define EHCI_STS_HSE 0x00000010 /* RWC host system error */
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#define EHCI_STS_FLR 0x00000008 /* RWC frame list rollover */
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#define EHCI_STS_PCD 0x00000004 /* RWC port change detect */
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#define EHCI_STS_ERRINT 0x00000002 /* RWC error interrupt */
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#define EHCI_STS_INT 0x00000001 /* RWC interrupt */
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#define EHCI_STS_INTRS(x) ((x) & 0x3f)
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/*
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* NOTE: the doorbell interrupt is enabled, but the doorbell is never
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* used! SiS chipsets require this.
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*/
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#define EHCI_NORMAL_INTRS (EHCI_STS_IAA | EHCI_STS_HSE | \
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EHCI_STS_PCD | EHCI_STS_ERRINT | EHCI_STS_INT)
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#define EHCI_USBINTR 0x08 /* RW Interrupt register */
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#define EHCI_INTR_IAAE 0x00000020 /* interrupt on async advance
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* ena */
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#define EHCI_INTR_HSEE 0x00000010 /* host system error ena */
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#define EHCI_INTR_FLRE 0x00000008 /* frame list rollover ena */
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#define EHCI_INTR_PCIE 0x00000004 /* port change ena */
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#define EHCI_INTR_UEIE 0x00000002 /* USB error intr ena */
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#define EHCI_INTR_UIE 0x00000001 /* USB intr ena */
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#define EHCI_FRINDEX 0x0c /* RW Frame Index register */
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#define EHCI_CTRLDSSEGMENT 0x10 /* RW Control Data Structure Segment */
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#define EHCI_PERIODICLISTBASE 0x14 /* RW Periodic List Base */
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#define EHCI_ASYNCLISTADDR 0x18 /* RW Async List Base */
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#define EHCI_CONFIGFLAG 0x40 /* RW Configure Flag register */
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#define EHCI_CONF_CF 0x00000001 /* RW configure flag */
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#define EHCI_PORTSC(n) (0x40+(4*(n))) /* RO, RW, RWC Port Status reg */
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#define EHCI_PS_WKOC_E 0x00400000 /* RW wake on over current ena */
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#define EHCI_PS_WKDSCNNT_E 0x00200000 /* RW wake on disconnect ena */
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#define EHCI_PS_WKCNNT_E 0x00100000 /* RW wake on connect ena */
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#define EHCI_PS_PTC 0x000f0000 /* RW port test control */
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#define EHCI_PS_PIC 0x0000c000 /* RW port indicator control */
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#define EHCI_PS_PO 0x00002000 /* RW port owner */
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#define EHCI_PS_PP 0x00001000 /* RW,RO port power */
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#define EHCI_PS_LS 0x00000c00 /* RO line status */
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#define EHCI_PS_IS_LOWSPEED(x) (((x) & EHCI_PS_LS) == 0x00000400)
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#define EHCI_PS_PR 0x00000100 /* RW port reset */
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#define EHCI_PS_SUSP 0x00000080 /* RW suspend */
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#define EHCI_PS_FPR 0x00000040 /* RW force port resume */
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#define EHCI_PS_OCC 0x00000020 /* RWC over current change */
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#define EHCI_PS_OCA 0x00000010 /* RO over current active */
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#define EHCI_PS_PEC 0x00000008 /* RWC port enable change */
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#define EHCI_PS_PE 0x00000004 /* RW port enable */
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#define EHCI_PS_CSC 0x00000002 /* RWC connect status change */
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#define EHCI_PS_CS 0x00000001 /* RO connect status */
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#define EHCI_PS_CLEAR (EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC)
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#define EHCI_USBMODE 0x68 /* RW USB Device mode register */
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#define EHCI_UM_CM 0x00000003 /* R/WO Controller Mode */
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#define EHCI_UM_CM_IDLE 0x0 /* Idle */
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#define EHCI_UM_CM_HOST 0x3 /* Host Controller */
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#define EHCI_UM_ES 0x00000004 /* R/WO Endian Select */
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#define EHCI_UM_ES_LE 0x0 /* Little-endian byte alignment */
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#define EHCI_UM_ES_BE 0x4 /* Big-endian byte alignment */
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#define EHCI_UM_SDIS 0x00000010 /* R/WO Stream Disable Mode */
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#define EHCI_PORT_RESET_COMPLETE 2 /* ms */
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#endif /* _EHCIREG_H_ */
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