1 /* $OpenBSD: pciide_acer_reg.h,v 1.7 2004/09/24 07:38:38 grange Exp $ */
2 /* $NetBSD: pciide_acer_reg.h,v 1.4 2001/07/26 20:02:22 bouyer Exp $ */
3
4 /*
5 * Copyright (c) 1999 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_ACER_REG_H_
36 #define _DEV_PCI_PCIIDE_ACER_REG_H_
37
38 /* class code attribute register 1 (1 byte) */
39 #define ACER_CCAR1 0x43
40 #define ACER_CHANSTATUS_RO 0x40
41 #define PCIIDE_CHAN_RO(chan) (0x20 >> (chan))
42
43 /* from Linux, 80 pins cable detect */
44 #define ACER_0x4A 0x4a
45 /*
46 * bit 0 is 0 -> primary has 80 pin cable
47 * bit 1 is 0 -> secondary has 80 pin cable
48 */
49 #define ACER_0x4A_80PIN(chan) (0x1 << (chan))
50
51 /* From FreeBSD, for UDMA mode > 2 */
52 #define ACER_0x4B 0x4b
53 #define ACER_0x4B_UDMA66 0x01
54 /* From Linux */
55 #define ACER_0x4B_CDETECT 0x08
56
57 /* class code attribute register 2 (1 byte) */
58 #define ACER_CCAR2 0x4d
59 #define ACER_CHANSTATUSREGS_RO 0x80
60
61 /* class code attribute register 3 (1 byte) */
62 #define ACER_CCAR3 0x50
63 #define ACER_CCAR3_PI 0x02
64
65 /* flexible channel setting register */
66 #define ACER_FCS 0x52
67 #define ACER_FCS_TIMREG(chan,drv) ((0x8) >> ((drv) + (chan) * 2))
68
69 /* CD-ROM control register */
70 #define ACER_CDRC 0x53
71 #define ACER_CDRC_FIFO_DISABLE 0x02
72 #define ACER_CDRC_DMA_EN 0x01
73
74 /* Fifo threshold and Ultra-DMA settings (4 bytes). */
75 #define ACER_FTH_UDMA 0x54
76 #define ACER_FTH_VAL(chan, drv, val) \
77 (((val) & 0x3) << ((drv) * 4 + (chan) * 8))
78 #define ACER_FTH_OPL(chan, drv, val) \
79 (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8))
80 #define ACER_UDMA_EN(chan, drv) \
81 (0x8 << (16 + (drv) * 4 + (chan) * 8))
82 #define ACER_UDMA_TIM(chan, drv, val) \
83 (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8))
84
85 /* drives timings setup (1 byte) */
86 #define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4)
87
88 /* IRQ and drive select status */
89 #define ACER_CHIDS 0x75
90 #define ACER_CHIDS_DRV(channel) ((0x4) << (channel))
91 #define ACER_CHIDS_INT(channel) ((0x1) << (channel))
92
93 /* Linux: south-bridge's enable bit (m1533) */
94 #define ACER_0x79 0x79
95 #define ACER_0x79_REVC2_EN 0x4
96 #define ACER_0x79_EN 0x2
97
98 /*
99 * IDE bus frequency (1 byte)
100 * This should be setup by the BIOS - can we rely on this ?
101 */
102 #define ACER_IDE_CLK 0x78
103
104 /* acer UDMA3/4/5 from FreeBSD */
105 static int8_t acer_udma[] = {0x4, 0x3, 0x2, 0x1, 0x0, 0x7};
106 static int8_t acer_pio[] = {0x0c, 0x58, 0x44, 0x33, 0x31};
107 #ifdef unused
108 static int8_t acer_dma[] = {0x08, 0x33, 0x31};
109 #endif
110
111 #endif /* !_DEV_PCI_PCIIDE_ACER_REG_H_ */