1 /* $NetBSD: pciide_ixp_reg.h,v 1.3 2005/12/11 12:22:50 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2004 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to the NetBSD Foundation 8 * by Quentin Garnier. 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 /* All values gathered from the linux driver. */ 40 41 #define IXP_PIO_TIMING 0x40 42 #define IXP_MDMA_TIMING 0x44 43 #define IXP_PIO_CTL 0x48 44 #define IXP_PIO_MODE 0x4a 45 #define IXP_UDMA_CTL 0x54 46 #define IXP_UDMA_MODE 0x56 47 48 /* First 4 bits of UDMA_CTL enable or disable UDMA for the drive */ 49 #define IXP_UDMA_ENABLE(u, c, d) do { \ 50 (u) |= (1 << (2 * (c) + (d))); \ 51 } while (0) 52 #define IXP_UDMA_DISABLE(u, c, d) do { \ 53 (u) &= ~(1 << (2 * (c) + (d))); \ 54 } while (0) 55 56 /* 57 * UDMA_MODE has 4 bits per drive, though only 3 are actually used 58 * Note that in this macro u is the whole 59 * UDMA_CTL+UDMA_MODE register (32bits). 60 * PIO_MODE works just the same. 61 */ 62 #define IXP_SET_MODE(u, c, d, m) do { \ 63 int __ixpshift = 16 + 8*(c) + 4*(d); \ 64 (u) &= ~(0x7 << __ixpshift); \ 65 (u) |= (((m) & 0x7) << __ixpshift); \ 66 } while (0) 67 68 /* 69 * MDMA_TIMING has one byte per drive. 70 * PIO_TIMING works just the same. 71 */ 72 #define IXP_SET_TIMING(m, c, d, t) do { \ 73 int __ixpshift = 16*(c) + 8*(d); \ 74 (m) &= ~(0xff << __ixpshift); \ 75 (m) |= ((t) & 0xff) << __ixpshift; \ 76 } while (0) 77