1 /* $NetBSD: pciide_acer_reg.h,v 1.6 2002/04/23 20:41:17 bouyer 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 /* class code attribute register 1 (1 byte) */ 35 #define ACER_CCAR1 0x43 36 #define ACER_CHANSTATUS_RO 0x40 37 #define PCIIDE_CHAN_RO(chan) (0x20 >> (chan)) 38 39 /* from Linux, 80 pins cable detect */ 40 #define ACER_0x4A 0x4a 41 /* 42 * bit 0 is 0 -> primary has 80 pin cable 43 * bit 1 is 0 -> secondary has 80 pin cable 44 */ 45 #define ACER_0x4A_80PIN(chan) (0x1 << (chan)) 46 47 /* From FreeBSD, for UDMA mode > 2 */ 48 #define ACER_0x4B 0x4b 49 #define ACER_0x4B_UDMA66 0x01 50 /* From Linux */ 51 #define ACER_0x4B_CDETECT 0x08 52 53 /* class code attribute register 2 (1 byte) */ 54 #define ACER_CCAR2 0x4d 55 #define ACER_CHANSTATUSREGS_RO 0x80 56 57 /* class code attribute register 3 (1 byte) */ 58 #define ACER_CCAR3 0x50 59 #define ACER_CCAR3_PI 0x02 60 61 /* flexible channel setting register */ 62 #define ACER_FCS 0x52 63 #define ACER_FCS_TIMREG(chan,drv) ((0x8) >> ((drv) + (chan) * 2)) 64 65 /* CD-ROM control register */ 66 #define ACER_CDRC 0x53 67 #define ACER_CDRC_FIFO_DISABLE 0x02 68 #define ACER_CDRC_DMA_EN 0x01 69 70 /* Fifo threshold and Ultra-DMA settings (4 bytes). */ 71 #define ACER_FTH_UDMA 0x54 72 #define ACER_FTH_VAL(chan, drv, val) \ 73 (((val) & 0x3) << ((drv) * 4 + (chan) * 8)) 74 #define ACER_FTH_OPL(chan, drv, val) \ 75 (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8)) 76 #define ACER_UDMA_EN(chan, drv) \ 77 (0x8 << (16 + (drv) * 4 + (chan) * 8)) 78 #define ACER_UDMA_TIM(chan, drv, val) \ 79 (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8)) 80 81 /* drives timings setup (1 byte) */ 82 #define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4) 83 84 /* IRQ and drive select status */ 85 #define ACER_CHIDS 0x75 86 #define ACER_CHIDS_DRV(channel) ((0x4) << (channel)) 87 #define ACER_CHIDS_INT(channel) ((0x1) << (channel)) 88 89 /* Linux: south-bridge's enable bit (m1533) */ 90 #define ACER_0x79 0x79 91 #define ACER_0x79_REVC2_EN 0x4 92 #define ACER_0x79_EN 0x2 93 94 /* 95 * IDE bus frequency (1 byte) 96 * This should be setup by the BIOS - can we rely on this ? 97 */ 98 #define ACER_IDE_CLK 0x78 99 100 /* acer UDMA3/4/5 from FreeBSD */ 101 static const int8_t acer_udma[] __attribute__((__unused__)) = 102 {0x4, 0x3, 0x2, 0x1, 0x0, 0x7}; 103 static const int8_t acer_pio[] __attribute__((__unused__)) = 104 {0x0c, 0x58, 0x44, 0x33, 0x31}; 105 #ifdef unused 106 static const int8_t acer_dma[] __attribute__((__unused__)) = 107 {0x08, 0x33, 0x31}; 108 #endif 109