1 /* $OpenBSD: pciide_cy693_reg.h,v 1.7 2004/10/17 18:16:12 grange Exp $ */ 2 /* $NetBSD: pciide_cy693_reg.h,v 1.4 2000/05/15 08:46:01 bouyer Exp $ */ 3 4 /* 5 * Copyright (c) 1998 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Manuel Bouyer. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #ifndef _DEV_PCI_PCIIDE_CY693_REG_H_ 36 #define _DEV_PCI_PCIIDE_CY693_REG_H_ 37 38 /* 39 * Registers definitions for Contaq/Cypress's CY82693U PCI IDE controller. 40 * Available from http://www.cypress.com/japan/prodgate/chip/cy82c693.html 41 * This chip has 2 PCI IDE functions, each of them has only one channel 42 * So there's no primary/secodary distinction in the registers defs. 43 */ 44 45 /* IDE control register */ 46 #define CY_CTRL 0x40 47 #define CY_CTRL_RETRY 0x00002000 48 #define CY_CTRL_SLAVE_PREFETCH 0x00000400 49 #define CY_CTRL_POSTWRITE 0x00000200 50 #define CY_CTRL_PREFETCH(drive) (0x00000100 << (2 * (drive))) 51 #define CY_CTRL_POSTWRITE_LENGTH_MASK 0x00000030 52 #define CY_CTRL_POSTWRITE_LENGTH_OFF 4 53 #define CY_CTRL_PREFETCH_LENGTH_MASK 0x00000003 54 #define CY_CTRL_PREFETCH_LENGTH_OFF 0 55 56 /* IDE addr setup control register */ 57 #define CY_ADDR_CTRL 0x48 58 #define CY_ADDR_CTRL_SETUP_OFF(drive) (4 * (drive)) 59 #define CY_ADDR_CTRL_SETUP_MASK(drive) \ 60 (0x00000007 << CY_ADDR_CTRL_SETUP_OFF(drive)) 61 62 /* command control register */ 63 #define CY_CMD_CTRL 0x4c 64 #define CY_CMD_CTRL_IOW_PULSE_OFF(drive) (12 + 16 * (drive)) 65 #define CY_CMD_CTRL_IOW_REC_OFF(drive) (8 + 16 * (drive)) 66 #define CY_CMD_CTRL_IOR_PULSE_OFF(drive) (4 + 16 * (drive)) 67 #define CY_CMD_CTRL_IOR_REC_OFF(drive) (0 + 16 * (drive)) 68 69 static int8_t cy_pio_pulse[] = {9, 4, 3, 2, 2}; 70 static int8_t cy_pio_rec[] = {9, 7, 4, 2, 0}; 71 #ifdef unused 72 static int8_t cy_dma_pulse[] = {7, 2, 2}; 73 static int8_t cy_dma_rec[] = {7, 1, 0}; 74 #endif 75 76 /* 77 * The cypress is quite weird: it uses 8-bit ISA registers to control 78 * DMA modes. 79 */ 80 81 #define CY_DMA_ADDR 0x22 82 #define CY_DMA_SIZE 0x2 83 84 #define CY_DMA_IDX 0x00 85 #define CY_DMA_IDX_PRIMARY 0x30 86 #define CY_DMA_IDX_SECONDARY 0x31 87 #define CY_DMA_IDX_TIMEOUT 0x32 88 89 #define CY_DMA_DATA 0x01 90 /* Multiword DMA transfer, for CY_DMA_IDX_PRIMARY or CY_DMA_IDX_SECONDARY */ 91 #define CY_DMA_DATA_MODE_MASK 0x03 92 #define CY_DMA_DATA_SINGLE 0x04 93 94 /* Private data */ 95 struct pciide_cy { 96 const struct cy82c693_handle *cy_handle; 97 int cy_compatchan; 98 }; 99 100 #endif /* !_DEV_PCI_PCIIDE_CY693_REG_H_ */ 101