Annotation of sys/dev/pci/pciide_cy693_reg.h, Revision 1.1
1.1 ! nbrk 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_ */
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