1 /* $NetBSD: uhcireg.h,v 1.13 2000/08/13 18:20:15 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhcireg.h,v 1.12 1999/11/17 22:33:42 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #ifndef _DEV_PCI_UHCIREG_H_ 42 #define _DEV_PCI_UHCIREG_H_ 43 44 /*** PCI config registers ***/ 45 46 #define PCI_USBREV 0x60 /* USB protocol revision */ 47 #define PCI_USBREV_MASK 0xff 48 #define PCI_USBREV_PRE_1_0 0x00 49 #define PCI_USBREV_1_0 0x10 50 #define PCI_USBREV_1_1 0x11 51 52 #define PCI_LEGSUP 0xc0 /* Legacy Support register */ 53 #define PCI_LEGSUP_USBPIRQDEN 0x2000 /* USB PIRQ D Enable */ 54 55 #define PCI_CBIO 0x20 /* configuration base IO */ 56 57 #define PCI_INTERFACE_UHCI 0x00 58 59 /*** UHCI registers ***/ 60 61 #define UHCI_CMD 0x00 62 #define UHCI_CMD_RS 0x0001 63 #define UHCI_CMD_HCRESET 0x0002 64 #define UHCI_CMD_GRESET 0x0004 65 #define UHCI_CMD_EGSM 0x0008 66 #define UHCI_CMD_FGR 0x0010 67 #define UHCI_CMD_SWDBG 0x0020 68 #define UHCI_CMD_CF 0x0040 69 #define UHCI_CMD_MAXP 0x0080 70 71 #define UHCI_STS 0x02 72 #define UHCI_STS_USBINT 0x0001 73 #define UHCI_STS_USBEI 0x0002 74 #define UHCI_STS_RD 0x0004 75 #define UHCI_STS_HSE 0x0008 76 #define UHCI_STS_HCPE 0x0010 77 #define UHCI_STS_HCH 0x0020 78 79 #define UHCI_INTR 0x04 80 #define UHCI_INTR_TOCRCIE 0x0001 81 #define UHCI_INTR_RIE 0x0002 82 #define UHCI_INTR_IOCE 0x0004 83 #define UHCI_INTR_SPIE 0x0008 84 85 #define UHCI_FRNUM 0x06 86 #define UHCI_FRNUM_MASK 0x03ff 87 88 89 #define UHCI_FLBASEADDR 0x08 90 91 #define UHCI_SOF 0x0c 92 #define UHCI_SOF_MASK 0x7f 93 94 #define UHCI_PORTSC1 0x010 95 #define UHCI_PORTSC2 0x012 96 #define UHCI_PORTSC_CCS 0x0001 97 #define UHCI_PORTSC_CSC 0x0002 98 #define UHCI_PORTSC_PE 0x0004 99 #define UHCI_PORTSC_POEDC 0x0008 100 #define UHCI_PORTSC_LS 0x0030 101 #define UHCI_PORTSC_LS_SHIFT 4 102 #define UHCI_PORTSC_RD 0x0040 103 #define UHCI_PORTSC_LSDA 0x0100 104 #define UHCI_PORTSC_PR 0x0200 105 #define UHCI_PORTSC_OCI 0x0400 106 #define UHCI_PORTSC_OCIC 0x0800 107 #define UHCI_PORTSC_SUSP 0x1000 108 109 #define UHCI_FRAMELIST_COUNT 1024 110 #define UHCI_FRAMELIST_ALIGN 4096 111 112 #define UHCI_TD_ALIGN 16 113 #define UHCI_QH_ALIGN 16 114 115 typedef u_int32_t uhci_physaddr_t; 116 #define UHCI_PTR_T 0x00000001 117 #define UHCI_PTR_TD 0x00000000 118 #define UHCI_PTR_QH 0x00000002 119 #define UHCI_PTR_VF 0x00000004 120 121 /* 122 * Wait this long after a QH has been removed. This gives that HC a 123 * chance to stop looking at it before it's recycled. 124 */ 125 #define UHCI_QH_REMOVE_DELAY 5 126 127 /* 128 * The Queue Heads and Transfer Descriptors are accessed 129 * by both the CPU and the USB controller which run 130 * concurrently. This means that they have to be accessed 131 * with great care. As long as the data structures are 132 * not linked into the controller's frame list they cannot 133 * be accessed by it and anything goes. As soon as a 134 * TD is accessible by the controller it "owns" the td_status 135 * field; it will not be written by the CPU. Similarly 136 * the controller "owns" the qh_elink field. 137 */ 138 139 typedef struct { 140 uhci_physaddr_t td_link; 141 u_int32_t td_status; 142 #define UHCI_TD_GET_ACTLEN(s) (((s) + 1) & 0x3ff) 143 #define UHCI_TD_ZERO_ACTLEN(t) ((t) | 0x3ff) 144 #define UHCI_TD_BITSTUFF 0x00020000 145 #define UHCI_TD_CRCTO 0x00040000 146 #define UHCI_TD_NAK 0x00080000 147 #define UHCI_TD_BABBLE 0x00100000 148 #define UHCI_TD_DBUFFER 0x00200000 149 #define UHCI_TD_STALLED 0x00400000 150 #define UHCI_TD_ACTIVE 0x00800000 151 #define UHCI_TD_IOC 0x01000000 152 #define UHCI_TD_IOS 0x02000000 153 #define UHCI_TD_LS 0x04000000 154 #define UHCI_TD_GET_ERRCNT(s) (((s) >> 27) & 3) 155 #define UHCI_TD_SET_ERRCNT(n) ((n) << 27) 156 #define UHCI_TD_SPD 0x20000000 157 u_int32_t td_token; 158 #define UHCI_TD_PID_IN 0x00000069 159 #define UHCI_TD_PID_OUT 0x000000e1 160 #define UHCI_TD_PID_SETUP 0x0000002d 161 #define UHCI_TD_GET_PID(s) ((s) & 0xff) 162 #define UHCI_TD_SET_DEVADDR(a) ((a) << 8) 163 #define UHCI_TD_GET_DEVADDR(s) (((s) >> 8) & 0x7f) 164 #define UHCI_TD_SET_ENDPT(e) (((e)&0xf) << 15) 165 #define UHCI_TD_GET_ENDPT(s) (((s) >> 15) & 0xf) 166 #define UHCI_TD_SET_DT(t) ((t) << 19) 167 #define UHCI_TD_GET_DT(s) (((s) >> 19) & 1) 168 #define UHCI_TD_SET_MAXLEN(l) (((l)-1) << 21) 169 #define UHCI_TD_GET_MAXLEN(s) ((((s) >> 21) + 1) & 0x7ff) 170 #define UHCI_TD_MAXLEN_MASK 0xffe00000 171 u_int32_t td_buffer; 172 } uhci_td_t; 173 174 #define UHCI_TD_ERROR (UHCI_TD_BITSTUFF|UHCI_TD_CRCTO|UHCI_TD_BABBLE|UHCI_TD_DBUFFER|UHCI_TD_STALLED) 175 176 #define UHCI_TD_SETUP(len, endp, dev) (UHCI_TD_SET_MAXLEN(len) | \ 177 UHCI_TD_SET_ENDPT(endp) | UHCI_TD_SET_DEVADDR(dev) | UHCI_TD_PID_SETUP) 178 #define UHCI_TD_OUT(len, endp, dev, dt) (UHCI_TD_SET_MAXLEN(len) | \ 179 UHCI_TD_SET_ENDPT(endp) | UHCI_TD_SET_DEVADDR(dev) | \ 180 UHCI_TD_PID_OUT | UHCI_TD_SET_DT(dt)) 181 #define UHCI_TD_IN(len, endp, dev, dt) (UHCI_TD_SET_MAXLEN(len) | \ 182 UHCI_TD_SET_ENDPT(endp) | UHCI_TD_SET_DEVADDR(dev) | UHCI_TD_PID_IN | \ 183 UHCI_TD_SET_DT(dt)) 184 185 typedef struct { 186 uhci_physaddr_t qh_hlink; 187 uhci_physaddr_t qh_elink; 188 } uhci_qh_t; 189 190 #endif /* _DEV_PCI_UHCIREG_H_ */ 191