Annotation of sys/dev/usb/ehcivar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ehcivar.h,v 1.13 2007/06/12 16:26:36 mbalmer Exp $ */
! 2: /* $NetBSD: ehcivar.h,v 1.19 2005/04/29 15:04:29 augustss Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 2001 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).
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: typedef struct ehci_soft_qtd {
! 41: ehci_qtd_t qtd;
! 42: struct ehci_soft_qtd *nextqtd; /* mirrors nextqtd in TD */
! 43: ehci_physaddr_t physaddr;
! 44: usbd_xfer_handle xfer;
! 45: LIST_ENTRY(ehci_soft_qtd) hnext;
! 46: u_int16_t len;
! 47: } ehci_soft_qtd_t;
! 48: #define EHCI_SQTD_SIZE ((sizeof (struct ehci_soft_qtd) + EHCI_QTD_ALIGN - 1) / EHCI_QTD_ALIGN * EHCI_QTD_ALIGN)
! 49: #define EHCI_SQTD_CHUNK (EHCI_PAGE_SIZE / EHCI_SQTD_SIZE)
! 50:
! 51: typedef struct ehci_soft_qh {
! 52: ehci_qh_t qh;
! 53: struct ehci_soft_qh *next;
! 54: struct ehci_soft_qh *prev;
! 55: struct ehci_soft_qtd *sqtd;
! 56: ehci_physaddr_t physaddr;
! 57: int islot;
! 58: } ehci_soft_qh_t;
! 59: #define EHCI_SQH_SIZE ((sizeof (struct ehci_soft_qh) + EHCI_QH_ALIGN - 1) / EHCI_QH_ALIGN * EHCI_QH_ALIGN)
! 60: #define EHCI_SQH_CHUNK (EHCI_PAGE_SIZE / EHCI_SQH_SIZE)
! 61:
! 62: struct ehci_xfer {
! 63: struct usbd_xfer xfer;
! 64: struct usb_task abort_task;
! 65: LIST_ENTRY(ehci_xfer) inext; /* list of active xfers */
! 66: ehci_soft_qtd_t *sqtdstart;
! 67: ehci_soft_qtd_t *sqtdend;
! 68: u_int32_t ehci_xfer_flags;
! 69: #ifdef DIAGNOSTIC
! 70: int isdone;
! 71: #endif
! 72: };
! 73: #define EHCI_XFER_ABORTING 0x0001 /* xfer is aborting. */
! 74: #define EHCI_XFER_ABORTWAIT 0x0002 /* abort completion is being awaited. */
! 75:
! 76: #define EXFER(xfer) ((struct ehci_xfer *)(xfer))
! 77:
! 78: /* Information about an entry in the interrupt list. */
! 79: struct ehci_soft_islot {
! 80: ehci_soft_qh_t *sqh; /* Queue Head. */
! 81: };
! 82:
! 83: #define EHCI_FRAMELIST_MAXCOUNT 1024
! 84: #define EHCI_IPOLLRATES 8 /* Poll rates (1ms, 2, 4, 8 .. 128) */
! 85: #define EHCI_INTRQHS ((1 << EHCI_IPOLLRATES) - 1)
! 86: #define EHCI_IQHIDX(lev, pos) \
! 87: ((((pos) & ((1 << (lev)) - 1)) | (1 << (lev))) - 1)
! 88: #define EHCI_ILEV_IVAL(lev) (1 << (lev))
! 89:
! 90:
! 91: #define EHCI_HASH_SIZE 128
! 92: #define EHCI_COMPANION_MAX 8
! 93:
! 94: typedef struct ehci_softc {
! 95: struct usbd_bus sc_bus; /* base device */
! 96: bus_space_tag_t iot;
! 97: bus_space_handle_t ioh;
! 98: bus_size_t sc_size;
! 99: u_int sc_offs; /* offset to operational regs */
! 100: int sc_flags; /* misc flags */
! 101: #define EHCIF_DROPPED_INTR_WORKAROUND 0x01
! 102:
! 103: char sc_vendor[16]; /* vendor string for root hub */
! 104: int sc_id_vendor; /* vendor ID for root hub */
! 105:
! 106: u_int32_t sc_cmd; /* shadow of cmd reg during suspend */
! 107: void *sc_powerhook; /* cookie from power hook */
! 108: void *sc_shutdownhook; /* cookie from shutdown hook */
! 109:
! 110: usb_dma_t sc_fldma;
! 111: ehci_link_t *sc_flist;
! 112: u_int sc_flsize;
! 113: u_int sc_rand; /* XXX need proper intr scheduling */
! 114:
! 115: struct ehci_soft_islot sc_islots[EHCI_INTRQHS];
! 116:
! 117: LIST_HEAD(, ehci_xfer) sc_intrhead;
! 118:
! 119: ehci_soft_qh_t *sc_freeqhs;
! 120: ehci_soft_qtd_t *sc_freeqtds;
! 121:
! 122: int sc_noport;
! 123: u_int8_t sc_addr; /* device address */
! 124: u_int8_t sc_conf; /* device configuration */
! 125: usbd_xfer_handle sc_intrxfer;
! 126: char sc_isreset;
! 127: char sc_softwake;
! 128:
! 129: u_int32_t sc_eintrs;
! 130: ehci_soft_qh_t *sc_async_head;
! 131:
! 132: SIMPLEQ_HEAD(, usbd_xfer) sc_free_xfers; /* free xfers */
! 133:
! 134: struct rwlock sc_doorbell_lock;
! 135:
! 136: struct timeout sc_tmo_pcd;
! 137: struct timeout sc_tmo_intrlist;
! 138:
! 139: struct device *sc_child; /* /dev/usb# device */
! 140:
! 141: char sc_dying;
! 142: } ehci_softc_t;
! 143:
! 144: #define EREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (a))
! 145: #define EREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (a))
! 146: #define EREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (a))
! 147: #define EWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (a), (x))
! 148: #define EWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (a), (x))
! 149: #define EWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (a), (x))
! 150: #define EOREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
! 151: #define EOREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
! 152: #define EOREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
! 153: #define EOWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
! 154: #define EOWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
! 155: #define EOWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
! 156:
! 157: usbd_status ehci_init(ehci_softc_t *);
! 158: int ehci_intr(void *);
! 159: int ehci_detach(ehci_softc_t *, int);
! 160: int ehci_activate(struct device *, enum devact);
! 161: void ehci_shutdown(void *);
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