1/* $NetBSD: pciide_acer_reg.h,v 1.11 2007/12/25 18:33:41 perry Exp $ */ 2 3/* 4 * Copyright (c) 1999 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28/* class code attribute register 1 (1 byte) */ 29#define ACER_CCAR1 0x43 30#define ACER_CHANSTATUS_RO 0x40 31#define PCIIDE_CHAN_RO(chan) (0x20 >> (chan)) 32 33/* from Linux, 80 pins cable detect */ 34#define ACER_0x4A 0x4a 35/* 36 * bit 0 is 0 -> primary has 80 pin cable 37 * bit 1 is 0 -> secondary has 80 pin cable 38 */ 39#define ACER_0x4A_80PIN(chan) (0x1 << (chan)) 40 41/* From FreeBSD, for UDMA mode > 2 */ 42#define ACER_0x4B 0x4b 43#define ACER_0x4B_UDMA66 0x01 44/* From Linux */ 45#define ACER_0x4B_CDETECT 0x08 46 47/* class code attribute register 2 (1 byte) */ 48#define ACER_CCAR2 0x4d 49#define ACER_CHANSTATUSREGS_RO 0x80 50 51/* class code attribute register 3 (1 byte) */ 52#define ACER_CCAR3 0x50 53#define ACER_CCAR3_PI 0x02 54 55/* flexible channel setting register */ 56#define ACER_FCS 0x52 57#define ACER_FCS_TIMREG(chan,drv) ((0x8) >> ((drv) + (chan) * 2)) 58 59/* CD-ROM control register */ 60#define ACER_CDRC 0x53 61#define ACER_CDRC_FIFO_DISABLE 0x02 62#define ACER_CDRC_DMA_EN 0x01 63 64/* Fifo threshold and Ultra-DMA settings (4 bytes). */ 65#define ACER_FTH_UDMA 0x54 66#define ACER_FTH_VAL(chan, drv, val) \ 67 (((val) & 0x3) << ((drv) * 4 + (chan) * 8)) 68#define ACER_FTH_OPL(chan, drv, val) \ 69 (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8)) 70#define ACER_UDMA_EN(chan, drv) \ 71 (0x8 << (16 + (drv) * 4 + (chan) * 8)) 72#define ACER_UDMA_TIM(chan, drv, val) \ 73 (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8)) 74 75/* drives timings setup (1 byte) */ 76#define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4) 77 78/* IRQ and drive select status */ 79#define ACER_CHIDS 0x75 80#define ACER_CHIDS_DRV(channel) ((0x4) << (channel)) 81#define ACER_CHIDS_INT(channel) ((0x1) << (channel)) 82 83/* Linux: south-bridge's enable bit (m1533) */ 84#define ACER_0x79 0x79 85#define ACER_0x79_REVC2_EN 0x4 86#define ACER_0x79_EN 0x2 87 88/* OpenSolaris: channel enable/disable in the PCI-ISA bridge */ 89#define ACER_PCIB_CTRL 0x58 90#define ACER_PCIB_CTRL_ENCHAN(chan) (0x4 << (chan)) 91 92/* 93 * IDE bus frequency (1 byte) 94 * This should be setup by the BIOS - can we rely on this ? 95 */ 96#define ACER_IDE_CLK 0x78 97 98/* acer UDMA3/4/5 from FreeBSD */ 99static const int8_t acer_udma[] __unused = 100 {0x4, 0x3, 0x2, 0x1, 0x0, 0x7}; 101static const int8_t acer_pio[] __unused = 102 {0x0c, 0x58, 0x44, 0x33, 0x31}; 103#ifdef unused 104static const int8_t acer_dma[] __unused = 105 {0x08, 0x33, 0x31}; 106#endif 107