Annotation of sys/dev/pci/pciide_cy693_reg.h, Revision 1.1.1.1
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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