ehcivar.h revision 1.23.22.1
1 /* $NetBSD: ehcivar.h,v 1.23.22.1 2008/08/31 16:48:29 jdc Exp $ */ 2 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 (at) 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 typedef struct ehci_soft_qtd { 40 ehci_qtd_t qtd; 41 struct ehci_soft_qtd *nextqtd; /* mirrors nextqtd in TD */ 42 ehci_physaddr_t physaddr; 43 usb_dma_t dma; /* qTD's DMA infos */ 44 int offs; /* qTD's offset in usb_dma_t */ 45 usbd_xfer_handle xfer; 46 LIST_ENTRY(ehci_soft_qtd) hnext; 47 u_int16_t len; 48 } ehci_soft_qtd_t; 49 #define EHCI_SQTD_SIZE ((sizeof (struct ehci_soft_qtd) + EHCI_QTD_ALIGN - 1) / EHCI_QTD_ALIGN * EHCI_QTD_ALIGN) 50 #define EHCI_SQTD_CHUNK (EHCI_PAGE_SIZE / EHCI_SQTD_SIZE) 51 52 typedef struct ehci_soft_qh { 53 ehci_qh_t qh; 54 struct ehci_soft_qh *next; 55 struct ehci_soft_qtd *sqtd; 56 ehci_physaddr_t physaddr; 57 usb_dma_t dma; /* QH's DMA infos */ 58 int offs; /* QH's offset in usb_dma_t */ 59 int islot; 60 } ehci_soft_qh_t; 61 #define EHCI_SQH_SIZE ((sizeof (struct ehci_soft_qh) + EHCI_QH_ALIGN - 1) / EHCI_QH_ALIGN * EHCI_QH_ALIGN) 62 #define EHCI_SQH_CHUNK (EHCI_PAGE_SIZE / EHCI_SQH_SIZE) 63 64 struct ehci_xfer { 65 struct usbd_xfer xfer; 66 struct usb_task abort_task; 67 LIST_ENTRY(ehci_xfer) inext; /* list of active xfers */ 68 ehci_soft_qtd_t *sqtdstart; 69 ehci_soft_qtd_t *sqtdend; 70 int isdone; /* used only when DIAGNOSTIC is defined */ 71 }; 72 #define EXFER(xfer) ((struct ehci_xfer *)(xfer)) 73 74 /* Information about an entry in the interrupt list. */ 75 struct ehci_soft_islot { 76 ehci_soft_qh_t *sqh; /* Queue Head. */ 77 }; 78 79 #define EHCI_FRAMELIST_MAXCOUNT 1024 80 #define EHCI_IPOLLRATES 8 /* Poll rates (1ms, 2, 4, 8 .. 128) */ 81 #define EHCI_INTRQHS ((1 << EHCI_IPOLLRATES) - 1) 82 #define EHCI_MAX_POLLRATE (1 << (EHCI_IPOLLRATES - 1)) 83 #define EHCI_IQHIDX(lev, pos) \ 84 ((((pos) & ((1 << (lev)) - 1)) | (1 << (lev))) - 1) 85 #define EHCI_ILEV_IVAL(lev) (1 << (lev)) 86 87 88 #define EHCI_HASH_SIZE 128 89 #define EHCI_COMPANION_MAX 8 90 91 typedef struct ehci_softc { 92 struct usbd_bus sc_bus; /* base device */ 93 bus_space_tag_t iot; 94 bus_space_handle_t ioh; 95 bus_size_t sc_size; 96 u_int sc_offs; /* offset to operational regs */ 97 int sc_flags; /* misc flags */ 98 #define EHCIF_DROPPED_INTR_WORKAROUND 0x01 99 100 char sc_vendor[32]; /* vendor string for root hub */ 101 int sc_id_vendor; /* vendor ID for root hub */ 102 103 u_int32_t sc_cmd; /* shadow of cmd reg during suspend */ 104 void *sc_powerhook; /* cookie from power hook */ 105 void *sc_shutdownhook; /* cookie from shutdown hook */ 106 107 u_int sc_ncomp; 108 u_int sc_npcomp; 109 struct usbd_bus *sc_comps[EHCI_COMPANION_MAX]; 110 111 usb_dma_t sc_fldma; 112 ehci_link_t *sc_flist; 113 u_int sc_flsize; 114 u_int sc_rand; /* XXX need proper intr scheduling */ 115 116 struct ehci_soft_islot sc_islots[EHCI_INTRQHS]; 117 118 LIST_HEAD(, ehci_xfer) sc_intrhead; 119 120 ehci_soft_qh_t *sc_freeqhs; 121 ehci_soft_qtd_t *sc_freeqtds; 122 123 int sc_noport; 124 u_int8_t sc_hasppc; /* has Port Power Control */ 125 u_int8_t sc_addr; /* device address */ 126 u_int8_t sc_conf; /* device configuration */ 127 usbd_xfer_handle sc_intrxfer; 128 char sc_isreset[EHCI_MAX_PORTS]; 129 #ifdef USB_USE_SOFTINTR 130 char sc_softwake; 131 #endif /* USB_USE_SOFTINTR */ 132 133 u_int32_t sc_eintrs; 134 ehci_soft_qh_t *sc_async_head; 135 136 SIMPLEQ_HEAD(, usbd_xfer) sc_free_xfers; /* free xfers */ 137 138 struct lock sc_doorbell_lock; 139 140 usb_callout_t sc_tmo_pcd; 141 usb_callout_t sc_tmo_intrlist; 142 143 #if defined(__NetBSD__) || defined(__OpenBSD__) 144 device_ptr_t sc_child; /* /dev/usb# device */ 145 #endif 146 char sc_dying; 147 #if defined(__NetBSD__) 148 struct usb_dma_reserve sc_dma_reserve; 149 #endif 150 } ehci_softc_t; 151 152 #define EREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (a)) 153 #define EREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (a)) 154 #define EREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (a)) 155 #define EWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (a), (x)) 156 #define EWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (a), (x)) 157 #define EWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (a), (x)) 158 #define EOREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a)) 159 #define EOREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a)) 160 #define EOREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a)) 161 #define EOWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x)) 162 #define EOWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x)) 163 #define EOWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x)) 164 165 usbd_status ehci_init(ehci_softc_t *); 166 int ehci_intr(void *); 167 int ehci_detach(ehci_softc_t *, int); 168 int ehci_activate(device_ptr_t, enum devact); 169
Indexes created Sat Oct 11 19:10:01 GMT 2025