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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-arm/hardware/amba_kmi.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-arm/hardware/amba_kmi.h')
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1 files changed, 92 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/amba_kmi.h b/include/asm-arm/hardware/amba_kmi.h
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1/*
2 * linux/include/asm-arm/hardware/amba_kmi.h
3 *
4 * Internal header file for AMBA KMI ports
5 *
6 * Copyright (C) 2000 Deep Blue Solutions Ltd.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 *
23 * ---------------------------------------------------------------------------
24 * From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical
25 * Reference Manual - ARM DDI 0143B - see http://www.arm.com/
26 * ---------------------------------------------------------------------------
27 */
28#ifndef ASM_ARM_HARDWARE_AMBA_KMI_H
29#define ASM_ARM_HARDWARE_AMBA_KMI_H
30
31/*
32 * KMI control register:
33 * KMICR_TYPE 0 = PS2/AT mode, 1 = No line control bit mode
34 * KMICR_RXINTREN 1 = enable RX interrupts
35 * KMICR_TXINTREN 1 = enable TX interrupts
36 * KMICR_EN 1 = enable KMI
37 * KMICR_FD 1 = force KMI data low
38 * KMICR_FC 1 = force KMI clock low
39 */
40#define KMICR (KMI_BASE + 0x00)
41#define KMICR_TYPE (1 << 5)
42#define KMICR_RXINTREN (1 << 4)
43#define KMICR_TXINTREN (1 << 3)
44#define KMICR_EN (1 << 2)
45#define KMICR_FD (1 << 1)
46#define KMICR_FC (1 << 0)
47
48/*
49 * KMI status register:
50 * KMISTAT_TXEMPTY 1 = transmitter register empty
51 * KMISTAT_TXBUSY 1 = currently sending data
52 * KMISTAT_RXFULL 1 = receiver register ready to be read
53 * KMISTAT_RXBUSY 1 = currently receiving data
54 * KMISTAT_RXPARITY parity of last databyte received
55 * KMISTAT_IC current level of KMI clock input
56 * KMISTAT_ID current level of KMI data input
57 */
58#define KMISTAT (KMI_BASE + 0x04)
59#define KMISTAT_TXEMPTY (1 << 6)
60#define KMISTAT_TXBUSY (1 << 5)
61#define KMISTAT_RXFULL (1 << 4)
62#define KMISTAT_RXBUSY (1 << 3)
63#define KMISTAT_RXPARITY (1 << 2)
64#define KMISTAT_IC (1 << 1)
65#define KMISTAT_ID (1 << 0)
66
67/*
68 * KMI data register
69 */
70#define KMIDATA (KMI_BASE + 0x08)
71
72/*
73 * KMI clock divisor: to generate 8MHz internal clock
74 * div = (ref / 8MHz) - 1; 0 <= div <= 15
75 */
76#define KMICLKDIV (KMI_BASE + 0x0c)
77
78/*
79 * KMI interrupt register:
80 * KMIIR_TXINTR 1 = transmit interrupt asserted
81 * KMIIR_RXINTR 1 = receive interrupt asserted
82 */
83#define KMIIR (KMI_BASE + 0x10)
84#define KMIIR_TXINTR (1 << 1)
85#define KMIIR_RXINTR (1 << 0)
86
87/*
88 * The size of the KMI primecell
89 */
90#define KMI_SIZE (0x100)
91
92#endif