summaryrefslogtreecommitdiff
path: root/include/linux/amba/kmi.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/amba/kmi.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/amba/kmi.h')
-rw-r--r--include/linux/amba/kmi.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/include/linux/amba/kmi.h b/include/linux/amba/kmi.h
new file mode 100644
index 00000000..a39e5be7
--- /dev/null
+++ b/include/linux/amba/kmi.h
@@ -0,0 +1,92 @@
+/*
+ * 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