| 1 | /* $NetBSD: cyber.c,v 1.5 2008/04/28 20:23:54 martin Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2004 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Frederick S. Bruckman. |
| 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 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | /* Store one "Usr" register on an SIIG Cyberserial multiport PCI card. */ |
| 33 | |
| 34 | #include <sys/cdefs.h> |
| 35 | __KERNEL_RCSID(0, "$NetBSD: cyber.c,v 1.5 2008/04/28 20:23:54 martin Exp $" ); |
| 36 | |
| 37 | #include <sys/param.h> |
| 38 | #include <sys/device.h> |
| 39 | #include <sys/termios.h> /* XXX for tcflag_t in comvar.h */ |
| 40 | |
| 41 | #include <sys/bus.h> |
| 42 | |
| 43 | #include <dev/pci/cyberreg.h> |
| 44 | #include <dev/pci/cybervar.h> |
| 45 | |
| 46 | void |
| 47 | write_siig10x_usrreg(pci_chipset_tag_t pc, pcitag_t tag, int usrregno, |
| 48 | int high_speed) |
| 49 | { |
| 50 | pcireg_t curregs, newregs; |
| 51 | |
| 52 | newregs = curregs = pci_conf_read(pc, tag, SIIG10x_USR_BASE); |
| 53 | |
| 54 | if (high_speed) /* Clear bit. */ |
| 55 | switch (usrregno) { |
| 56 | case 0: |
| 57 | newregs &= ~SIIG10x_USR0_MASK; |
| 58 | break; |
| 59 | case 1: |
| 60 | newregs &= ~SIIG10x_USR1_MASK; |
| 61 | break; |
| 62 | case 2: |
| 63 | newregs &= ~SIIG10x_USR2_MASK; |
| 64 | break; |
| 65 | case 3: |
| 66 | newregs &= ~SIIG10x_USR3_MASK; |
| 67 | } |
| 68 | else /* if (!high_speed) */ /* Set bit. */ |
| 69 | switch (usrregno) { |
| 70 | case 0: |
| 71 | newregs |= SIIG10x_USR0_MASK; |
| 72 | break; |
| 73 | case 1: |
| 74 | newregs |= SIIG10x_USR1_MASK; |
| 75 | break; |
| 76 | case 2: |
| 77 | newregs |= SIIG10x_USR2_MASK; |
| 78 | break; |
| 79 | case 3: |
| 80 | newregs |= SIIG10x_USR3_MASK; |
| 81 | } |
| 82 | |
| 83 | if (newregs != curregs) |
| 84 | pci_conf_write(pc, tag, SIIG10x_USR_BASE, newregs); |
| 85 | } |
| 86 | |
| 87 | void |
| 88 | write_siig20x_usrreg(pci_chipset_tag_t pc, pcitag_t tag, int usrregno, |
| 89 | int high_speed) |
| 90 | { |
| 91 | pcireg_t curreg, newreg; |
| 92 | int offset; |
| 93 | |
| 94 | switch (usrregno) { |
| 95 | case 0: |
| 96 | offset = SIIG20x_USR0; |
| 97 | break; |
| 98 | case 1: |
| 99 | offset = SIIG20x_USR1; |
| 100 | break; |
| 101 | default: |
| 102 | return; |
| 103 | } |
| 104 | |
| 105 | newreg = curreg = pci_conf_read(pc, tag, offset); |
| 106 | |
| 107 | if (high_speed) /* Clear bit. */ |
| 108 | newreg &= ~SIIG20x_USR_MASK; |
| 109 | else /* if (!high_speed) */ /* Set bit. */ |
| 110 | newreg |= SIIG20x_USR_MASK; |
| 111 | |
| 112 | if (newreg != curreg) |
| 113 | pci_conf_write(pc, tag, offset, newreg); |
| 114 | } |
| 115 | |