1 | /* $NetBSD: pciide_acer_reg.h,v 1.12 2009/10/19 18:41:15 bouyer Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1999 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 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | * |
26 | */ |
27 | |
28 | /* class code attribute register 1 (1 byte) */ |
29 | #define ACER_CCAR1 0x43 |
30 | #define ACER_CHANSTATUS_RO 0x40 |
31 | #define PCIIDE_CHAN_RO(chan) (0x20 >> (chan)) |
32 | |
33 | /* from Linux, 80 pins cable detect */ |
34 | #define ACER_0x4A 0x4a |
35 | /* |
36 | * bit 0 is 0 -> primary has 80 pin cable |
37 | * bit 1 is 0 -> secondary has 80 pin cable |
38 | */ |
39 | #define ACER_0x4A_80PIN(chan) (0x1 << (chan)) |
40 | |
41 | /* From FreeBSD, for UDMA mode > 2 */ |
42 | #define ACER_0x4B 0x4b |
43 | #define ACER_0x4B_UDMA66 0x01 |
44 | /* From Linux */ |
45 | #define ACER_0x4B_CDETECT 0x08 |
46 | |
47 | /* class code attribute register 2 (1 byte) */ |
48 | #define ACER_CCAR2 0x4d |
49 | #define ACER_CHANSTATUSREGS_RO 0x80 |
50 | |
51 | /* class code attribute register 3 (1 byte) */ |
52 | #define ACER_CCAR3 0x50 |
53 | #define ACER_CCAR3_PI 0x02 |
54 | |
55 | /* flexible channel setting register */ |
56 | #define ACER_FCS 0x52 |
57 | #define ACER_FCS_TIMREG(chan,drv) ((0x8) >> ((drv) + (chan) * 2)) |
58 | |
59 | /* CD-ROM control register */ |
60 | #define ACER_CDRC 0x53 |
61 | #define ACER_CDRC_FIFO_DISABLE 0x02 |
62 | #define ACER_CDRC_DMA_EN 0x01 |
63 | |
64 | /* Fifo threshold and Ultra-DMA settings (4 bytes). */ |
65 | #define ACER_FTH_UDMA 0x54 |
66 | #define ACER_FTH_VAL(chan, drv, val) \ |
67 | (((val) & 0x3) << ((drv) * 4 + (chan) * 8)) |
68 | #define ACER_FTH_OPL(chan, drv, val) \ |
69 | (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8)) |
70 | #define ACER_UDMA_EN(chan, drv) \ |
71 | (0x8 << (16 + (drv) * 4 + (chan) * 8)) |
72 | #define ACER_UDMA_TIM(chan, drv, val) \ |
73 | (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8)) |
74 | |
75 | /* drives timings setup (1 byte) */ |
76 | #define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4) |
77 | |
78 | /* IRQ and drive select status */ |
79 | #define ACER_CHIDS 0x75 |
80 | #define ACER_CHIDS_DRV(channel) ((0x4) << (channel)) |
81 | #define ACER_CHIDS_INT(channel) ((0x1) << (channel)) |
82 | |
83 | /* Linux: south-bridge's enable bit (m1533) */ |
84 | #define ACER_0x79 0x79 |
85 | #define ACER_0x79_REVC2_EN 0x4 |
86 | #define ACER_0x79_EN 0x2 |
87 | |
88 | /* OpenSolaris: channel enable/disable in the PCI-ISA bridge */ |
89 | #define ACER_PCIB_CTRL 0x58 |
90 | #define ACER_PCIB_CTRL_ENCHAN(chan) (0x4 << (chan)) |
91 | |
92 | /* |
93 | * IDE bus frequency (1 byte) |
94 | * This should be setup by the BIOS - can we rely on this ? |
95 | */ |
96 | #define ACER_IDE_CLK 0x78 |
97 | |
98 | /* acer UDMA3/4/5 from FreeBSD */ |
99 | static const int8_t acer_udma[] __unused = |
100 | {0x4, 0x3, 0x2, 0x1, 0x0, 0x7}; |
101 | static const int8_t acer_pio[] __unused = |
102 | {0x0c, 0x58, 0x44, 0x33, 0x31}; |
103 | #ifdef unused |
104 | static const int8_t acer_dma[] __unused = |
105 | {0x08, 0x33, 0x31}; |
106 | #endif |
107 | |