1 /* $NetBSD: pciide_cmd_reg.h,v 1.15 2005/12/11 12:22:50 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998 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 /* 34 * Registers definitions for CMD Technologies's PCI 064x IDE controllers. 35 * Available from http://www.cmd.com/ 36 */ 37 38 /* Interesting revision of the 0646 */ 39 #define CMD0646U2_REV 0x05 40 #define CMD0646U_REV 0x03 41 42 /* Configuration (RO) */ 43 #define CMD_CONF 0x50 44 #define CMD_CONF_REV_MASK 0x03 /* 0640/3/6 only */ 45 #define CMD_CONF_DRV0_INTR 0x04 46 #define CMD_CONF_DEVID 0x18 /* 0640/3/6 only */ 47 #define CMD_CONF_VESAPRT 0x20 /* 0640/3/6 only */ 48 #define CMD_CONF_DSA1 0x40 49 #define CMD_CONF_DSA0 0x80 /* 0640/3/6 only */ 50 51 /* Control register (RW) */ 52 #define CMD_CTRL 0x51 53 #define CMD_CTRL_HR_FIFO 0x01 /* 0640/3/6 only */ 54 #define CMD_CTRL_HW_FIFO 0x02 /* 0640/3/6 only */ 55 #define CMD_CTRL_DEVSEL 0x04 56 #define CMD_CTRL_2PORT 0x08 57 #define CMD_CTRL_PAR 0x10 /* 0640/3/6 only */ 58 #define CMD_CTRL_HW_HLD 0x20 /* 0640/3/6 only */ 59 #define CMD_CTRL_DRV0_RAHEAD 0x40 60 #define CMD_CTRL_DRV1_RAHEAD 0x80 61 62 /* 63 * data read/write timing registers . 0640 uses the same for drive 0 and 1 64 * on the secondary channel 65 */ 66 #define CMD_DATA_TIM(chan, drive) \ 67 (((chan) == 0) ? \ 68 ((drive) == 0) ? 0x54: 0x56 \ 69 : \ 70 ((drive) == 0) ? 0x58 : 0x5b) 71 72 /* secondary channel status and addr timings */ 73 #define CMD_ARTTIM23 0x57 74 #define CMD_ARTTIM23_IRQ 0x10 75 #define CMD_ARTTIM23_RHAEAD(d) ((0x4) << (d)) 76 77 /* DMA master read mode select */ 78 #define CMD_DMA_MODE 0x71 79 #define CMD_DMA_MASK 0x03 80 #define CMD_DMA 0x00 81 #define CMD_DMA_MULTIPLE 0x01 82 #define CMD_DMA_LINE 0x03 83 /* the followings bits are only for 0646U/646U2/648/649 */ 84 #define CMD_DMA_IRQ(chan) (0x4 << (chan)) 85 #define CMD_DMA_IRQ_DIS(chan) (0x10 << (chan)) 86 #define CMD_DMA_RST 0x40 87 88 /* the followings are only for 0646U/646U2/648/649 */ 89 /* busmaster control/status register */ 90 #define CMD_BICSR 0x79 91 #define CMD_BICSR_80(chan) (0x01 << (chan)) 92 /* Ultra/DMA timings reg */ 93 #define CMD_UDMATIM(channel) (0x73 + (8 * (channel))) 94 #define CMD_UDMATIM_UDMA(drive) (0x01 << (drive)) 95 #define CMD_UDMATIM_UDMA33(drive) (0x04 << (drive)) 96 #define CMD_UDMATIM_TIM_MASK 0x3 97 #define CMD_UDMATIM_TIM_OFF(drive) (4 + ((drive) * 2)) 98 static const int8_t cmd0646_9_tim_udma[] __attribute__((__unused__)) = 99 {0x03, 0x02, 0x01, 0x02, 0x01, 0x00}; 100 101 /* 102 * timings values for the 0643/6/8/9 103 * for all dma_mode we have to have 104 * DMA_timings(dma_mode) >= PIO_timings(dma_mode + 2) 105 */ 106 static const int8_t cmd0643_9_data_tim_pio[] __attribute__((__unused__)) = 107 {0xA9, 0x57, 0x44, 0x32, 0x3F}; 108 static const int8_t cmd0643_9_data_tim_dma[] __attribute__((__unused__)) = 109 {0x87, 0x32, 0x3F}; 110