1 /* $NetBSD: pciide_acer_reg.h,v 1.10 2005/12/11 12:22:50 christos 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. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 /* class code attribute register 1 (1 byte) */ 34 #define ACER_CCAR1 0x43 35 #define ACER_CHANSTATUS_RO 0x40 36 #define PCIIDE_CHAN_RO(chan) (0x20 >> (chan)) 37 38 /* from Linux, 80 pins cable detect */ 39 #define ACER_0x4A 0x4a 40 /* 41 * bit 0 is 0 -> primary has 80 pin cable 42 * bit 1 is 0 -> secondary has 80 pin cable 43 */ 44 #define ACER_0x4A_80PIN(chan) (0x1 << (chan)) 45 46 /* From FreeBSD, for UDMA mode > 2 */ 47 #define ACER_0x4B 0x4b 48 #define ACER_0x4B_UDMA66 0x01 49 /* From Linux */ 50 #define ACER_0x4B_CDETECT 0x08 51 52 /* class code attribute register 2 (1 byte) */ 53 #define ACER_CCAR2 0x4d 54 #define ACER_CHANSTATUSREGS_RO 0x80 55 56 /* class code attribute register 3 (1 byte) */ 57 #define ACER_CCAR3 0x50 58 #define ACER_CCAR3_PI 0x02 59 60 /* flexible channel setting register */ 61 #define ACER_FCS 0x52 62 #define ACER_FCS_TIMREG(chan,drv) ((0x8) >> ((drv) + (chan) * 2)) 63 64 /* CD-ROM control register */ 65 #define ACER_CDRC 0x53 66 #define ACER_CDRC_FIFO_DISABLE 0x02 67 #define ACER_CDRC_DMA_EN 0x01 68 69 /* Fifo threshold and Ultra-DMA settings (4 bytes). */ 70 #define ACER_FTH_UDMA 0x54 71 #define ACER_FTH_VAL(chan, drv, val) \ 72 (((val) & 0x3) << ((drv) * 4 + (chan) * 8)) 73 #define ACER_FTH_OPL(chan, drv, val) \ 74 (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8)) 75 #define ACER_UDMA_EN(chan, drv) \ 76 (0x8 << (16 + (drv) * 4 + (chan) * 8)) 77 #define ACER_UDMA_TIM(chan, drv, val) \ 78 (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8)) 79 80 /* drives timings setup (1 byte) */ 81 #define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4) 82 83 /* IRQ and drive select status */ 84 #define ACER_CHIDS 0x75 85 #define ACER_CHIDS_DRV(channel) ((0x4) << (channel)) 86 #define ACER_CHIDS_INT(channel) ((0x1) << (channel)) 87 88 /* Linux: south-bridge's enable bit (m1533) */ 89 #define ACER_0x79 0x79 90 #define ACER_0x79_REVC2_EN 0x4 91 #define ACER_0x79_EN 0x2 92 93 /* OpenSolaris: channel enable/disable in the PCI-ISA bridge */ 94 #define ACER_PCIB_CTRL 0x58 95 #define ACER_PCIB_CTRL_ENCHAN(chan) (0x4 << (chan)) 96 97 /* 98 * IDE bus frequency (1 byte) 99 * This should be setup by the BIOS - can we rely on this ? 100 */ 101 #define ACER_IDE_CLK 0x78 102 103 /* acer UDMA3/4/5 from FreeBSD */ 104 static const int8_t acer_udma[] __attribute__((__unused__)) = 105 {0x4, 0x3, 0x2, 0x1, 0x0, 0x7}; 106 static const int8_t acer_pio[] __attribute__((__unused__)) = 107 {0x0c, 0x58, 0x44, 0x33, 0x31}; 108 #ifdef unused 109 static const int8_t acer_dma[] __attribute__((__unused__)) = 110 {0x08, 0x33, 0x31}; 111 #endif 112