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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
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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+++ b/include/asm-arm/hardware/amba_kmi.h
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+/*
+ * linux/include/asm-arm/hardware/amba_kmi.h
+ *
+ * Internal header file for AMBA KMI ports
+ *
+ * Copyright (C) 2000 Deep Blue Solutions Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * ---------------------------------------------------------------------------
+ * From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical
+ * Reference Manual - ARM DDI 0143B - see http://www.arm.com/
+ * ---------------------------------------------------------------------------
+ */
+#ifndef ASM_ARM_HARDWARE_AMBA_KMI_H
+#define ASM_ARM_HARDWARE_AMBA_KMI_H
+
+/*
+ * KMI control register:
+ * KMICR_TYPE 0 = PS2/AT mode, 1 = No line control bit mode
+ * KMICR_RXINTREN 1 = enable RX interrupts
+ * KMICR_TXINTREN 1 = enable TX interrupts
+ * KMICR_EN 1 = enable KMI
+ * KMICR_FD 1 = force KMI data low
+ * KMICR_FC 1 = force KMI clock low
+ */
+#define KMICR (KMI_BASE + 0x00)
+#define KMICR_TYPE (1 << 5)
+#define KMICR_RXINTREN (1 << 4)
+#define KMICR_TXINTREN (1 << 3)
+#define KMICR_EN (1 << 2)
+#define KMICR_FD (1 << 1)
+#define KMICR_FC (1 << 0)
+
+/*
+ * KMI status register:
+ * KMISTAT_TXEMPTY 1 = transmitter register empty
+ * KMISTAT_TXBUSY 1 = currently sending data
+ * KMISTAT_RXFULL 1 = receiver register ready to be read
+ * KMISTAT_RXBUSY 1 = currently receiving data
+ * KMISTAT_RXPARITY parity of last databyte received
+ * KMISTAT_IC current level of KMI clock input
+ * KMISTAT_ID current level of KMI data input
+ */
+#define KMISTAT (KMI_BASE + 0x04)
+#define KMISTAT_TXEMPTY (1 << 6)
+#define KMISTAT_TXBUSY (1 << 5)
+#define KMISTAT_RXFULL (1 << 4)
+#define KMISTAT_RXBUSY (1 << 3)
+#define KMISTAT_RXPARITY (1 << 2)
+#define KMISTAT_IC (1 << 1)
+#define KMISTAT_ID (1 << 0)
+
+/*
+ * KMI data register
+ */
+#define KMIDATA (KMI_BASE + 0x08)
+
+/*
+ * KMI clock divisor: to generate 8MHz internal clock
+ * div = (ref / 8MHz) - 1; 0 <= div <= 15
+ */
+#define KMICLKDIV (KMI_BASE + 0x0c)
+
+/*
+ * KMI interrupt register:
+ * KMIIR_TXINTR 1 = transmit interrupt asserted
+ * KMIIR_RXINTR 1 = receive interrupt asserted
+ */
+#define KMIIR (KMI_BASE + 0x10)
+#define KMIIR_TXINTR (1 << 1)
+#define KMIIR_RXINTR (1 << 0)
+
+/*
+ * The size of the KMI primecell
+ */
+#define KMI_SIZE (0x100)
+
+#endif