fwohci.c revision 1.2.4.2
1 1.2.4.2 minoura /*- 2 1.2.4.2 minoura * Copyright (c) 2000 The NetBSD Foundation, Inc. 3 1.2.4.2 minoura * All rights reserved. 4 1.2.4.2 minoura * 5 1.2.4.2 minoura * This code is derived from software contributed to The NetBSD Foundation 6 1.2.4.2 minoura * by Matt Thomas of 3am Software Foundry. 7 1.2.4.2 minoura * 8 1.2.4.2 minoura * Redistribution and use in source and binary forms, with or without 9 1.2.4.2 minoura * modification, are permitted provided that the following conditions 10 1.2.4.2 minoura * are met: 11 1.2.4.2 minoura * 1. Redistributions of source code must retain the above copyright 12 1.2.4.2 minoura * notice, this list of conditions and the following disclaimer. 13 1.2.4.2 minoura * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.4.2 minoura * notice, this list of conditions and the following disclaimer in the 15 1.2.4.2 minoura * documentation and/or other materials provided with the distribution. 16 1.2.4.2 minoura * 3. All advertising materials mentioning features or use of this software 17 1.2.4.2 minoura * must display the following acknowledgement: 18 1.2.4.2 minoura * This product includes software developed by the NetBSD 19 1.2.4.2 minoura * Foundation, Inc. and its contributors. 20 1.2.4.2 minoura * 4. Neither the name of The NetBSD Foundation nor the names of its 21 1.2.4.2 minoura * contributors may be used to endorse or promote products derived 22 1.2.4.2 minoura * from this software without specific prior written permission. 23 1.2.4.2 minoura * 24 1.2.4.2 minoura * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 1.2.4.2 minoura * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 1.2.4.2 minoura * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 1.2.4.2 minoura * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 1.2.4.2 minoura * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 1.2.4.2 minoura * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 1.2.4.2 minoura * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 1.2.4.2 minoura * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 1.2.4.2 minoura * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 1.2.4.2 minoura * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 1.2.4.2 minoura * POSSIBILITY OF SUCH DAMAGE. 35 1.2.4.2 minoura */ 36 1.2.4.2 minoura 37 1.2.4.2 minoura #include <sys/param.h> 38 1.2.4.2 minoura #include <sys/systm.h> 39 1.2.4.2 minoura #include <sys/types.h> 40 1.2.4.2 minoura #include <sys/socket.h> 41 1.2.4.2 minoura #include <sys/device.h> 42 1.2.4.2 minoura 43 1.2.4.2 minoura #include <machine/bus.h> 44 1.2.4.2 minoura 45 1.2.4.2 minoura #include <dev/ieee1394/ieee1394reg.h> 46 1.2.4.2 minoura #include <dev/ieee1394/fwohcireg.h> 47 1.2.4.2 minoura 48 1.2.4.2 minoura #include <dev/ieee1394/ieee1394var.h> 49 1.2.4.2 minoura #include <dev/ieee1394/fwohcivar.h> 50 1.2.4.2 minoura 51 1.2.4.2 minoura static const char * const ieee1394_speeds[] = { IEEE1394_SPD_STRINGS }; 52 1.2.4.2 minoura 53 1.2.4.2 minoura int 54 1.2.4.2 minoura fwohci_init(struct fwohci_softc *sc) 55 1.2.4.2 minoura { 56 1.2.4.2 minoura u_int32_t val; 57 1.2.4.2 minoura 58 1.2.4.2 minoura /* What dialect of OHCI is this device? 59 1.2.4.2 minoura */ 60 1.2.4.2 minoura val = OHCI_CSR_READ(sc, OHCI_REG_Version); 61 1.2.4.2 minoura printf("%s: OHCI %u.%u", sc->sc_sc1394.sc1394_dev.dv_xname, 62 1.2.4.2 minoura OHCI_Version_GET_Version(val), OHCI_Version_GET_Revision(val)); 63 1.2.4.2 minoura 64 1.2.4.2 minoura /* Is the Global UID ROM present? 65 1.2.4.2 minoura */ 66 1.2.4.2 minoura if ((val & OHCI_Version_GUID_ROM) == 0) { 67 1.2.4.2 minoura printf("\n%s: fatal: no global UID ROM\n", sc->sc_sc1394.sc1394_dev.dv_xname); 68 1.2.4.2 minoura return -1; 69 1.2.4.2 minoura } 70 1.2.4.2 minoura 71 1.2.4.2 minoura /* Extract the Global UID 72 1.2.4.2 minoura */ 73 1.2.4.2 minoura val = OHCI_CSR_READ(sc, OHCI_REG_GUIDHi); 74 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[0] = (val >> 24) & 0xff; 75 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[1] = (val >> 16) & 0xff; 76 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[2] = (val >> 8) & 0xff; 77 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[3] = (val >> 0) & 0xff; 78 1.2.4.2 minoura 79 1.2.4.2 minoura val = OHCI_CSR_READ(sc, OHCI_REG_GUIDLo); 80 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[4] = (val >> 24) & 0xff; 81 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[5] = (val >> 16) & 0xff; 82 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[6] = (val >> 8) & 0xff; 83 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[7] = (val >> 0) & 0xff; 84 1.2.4.2 minoura 85 1.2.4.2 minoura printf(", %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", 86 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[0], sc->sc_sc1394.sc1394_guid[1], 87 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[2], sc->sc_sc1394.sc1394_guid[3], 88 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[4], sc->sc_sc1394.sc1394_guid[5], 89 1.2.4.2 minoura sc->sc_sc1394.sc1394_guid[6], sc->sc_sc1394.sc1394_guid[7]); 90 1.2.4.2 minoura 91 1.2.4.2 minoura /* Get the maximum link speed and receive size 92 1.2.4.2 minoura */ 93 1.2.4.2 minoura val = OHCI_CSR_READ(sc, OHCI_REG_BusOptions); 94 1.2.4.2 minoura sc->sc_sc1394.sc1394_link_speed = 95 1.2.4.2 minoura (val & OHCI_BusOptions_LinkSpd_MASK) 96 1.2.4.2 minoura >> OHCI_BusOptions_LinkSpd_BITPOS; 97 1.2.4.2 minoura if (sc->sc_sc1394.sc1394_link_speed < IEEE1394_SPD_MAX) { 98 1.2.4.2 minoura printf(", %s", ieee1394_speeds[sc->sc_sc1394.sc1394_link_speed]); 99 1.2.4.2 minoura } else { 100 1.2.4.2 minoura printf(", unknown speed %u", sc->sc_sc1394.sc1394_link_speed); 101 1.2.4.2 minoura } 102 1.2.4.2 minoura 103 1.2.4.2 minoura /* MaxRec is encoded as log2(max_rec_octets)-1 104 1.2.4.2 minoura */ 105 1.2.4.2 minoura sc->sc_sc1394.sc1394_max_receive = 106 1.2.4.2 minoura 1 << (((val & OHCI_BusOptions_MaxRec_MASK) 107 1.2.4.2 minoura >> OHCI_BusOptions_MaxRec_BITPOS) + 1); 108 1.2.4.2 minoura printf(", %u byte packets max", sc->sc_sc1394.sc1394_max_receive); 109 1.2.4.2 minoura 110 1.2.4.2 minoura printf("\n"); 111 1.2.4.2 minoura return 0; 112 1.2.4.2 minoura } 113 1.2.4.2 minoura 114 1.2.4.2 minoura int 115 1.2.4.2 minoura fwohci_intr(void *arg) 116 1.2.4.2 minoura { 117 1.2.4.2 minoura struct fwohci_softc * const sc = arg; 118 1.2.4.2 minoura int progress = 0; 119 1.2.4.2 minoura 120 1.2.4.2 minoura for (;;) { 121 1.2.4.2 minoura u_int32_t intmask = OHCI_CSR_READ(sc, OHCI_REG_IntEventClear); 122 1.2.4.2 minoura if (intmask == 0) 123 1.2.4.2 minoura return progress; 124 1.2.4.2 minoura OHCI_CSR_WRITE(sc, OHCI_REG_IntEventClear, intmask); 125 1.2.4.2 minoura progress = 1; 126 1.2.4.2 minoura } 127 1.2.4.2 minoura } 128
Indexes created Mon Oct 13 21:09:55 GMT 2025