summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap1/include/mach/ams-delta-fiq.h')
-rw-r--r--arch/arm/mach-omap1/include/mach/ams-delta-fiq.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
new file mode 100644
index 00000000000..7a2df29400c
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-omap1/include/ams-delta-fiq.h
+ *
+ * Taken from the original Amstrad modifications to fiq.h
+ *
+ * Copyright (c) 2004 Amstrad Plc
+ * Copyright (c) 2006 Matt Callow
+ * Copyright (c) 2010 Janusz Krzysztofik
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __AMS_DELTA_FIQ_H
+#define __AMS_DELTA_FIQ_H
+
+#include <plat/irqs.h>
+
+/*
+ * Interrupt number used for passing control from FIQ to IRQ.
+ * IRQ12, described as reserved, has been selected.
+ */
+#define INT_DEFERRED_FIQ INT_1510_RES12
+/*
+ * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
+ */
+#if (INT_DEFERRED_FIQ < IH2_BASE)
+#define DEFERRED_FIQ_IH_BASE OMAP_IH1_BASE
+#else
+#define DEFERRED_FIQ_IH_BASE OMAP_IH2_BASE
+#endif
+
+/*
+ * These are the offsets from the begining of the fiq_buffer. They are put here
+ * since the buffer and header need to be accessed by drivers servicing devices
+ * which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
+ */
+#define FIQ_MASK 0
+#define FIQ_STATE 1
+#define FIQ_KEYS_CNT 2
+#define FIQ_TAIL_OFFSET 3
+#define FIQ_HEAD_OFFSET 4
+#define FIQ_BUF_LEN 5
+#define FIQ_KEY 6
+#define FIQ_MISSED_KEYS 7
+#define FIQ_BUFFER_START 8
+#define FIQ_GPIO_INT_MASK 9
+#define FIQ_KEYS_HICNT 10
+#define FIQ_IRQ_PEND 11
+#define FIQ_SIR_CODE_L1 12
+#define IRQ_SIR_CODE_L2 13
+
+#define FIQ_CNT_INT_00 14
+#define FIQ_CNT_INT_KEY 15
+#define FIQ_CNT_INT_MDM 16
+#define FIQ_CNT_INT_03 17
+#define FIQ_CNT_INT_HSW 18
+#define FIQ_CNT_INT_05 19
+#define FIQ_CNT_INT_06 20
+#define FIQ_CNT_INT_07 21
+#define FIQ_CNT_INT_08 22
+#define FIQ_CNT_INT_09 23
+#define FIQ_CNT_INT_10 24
+#define FIQ_CNT_INT_11 25
+#define FIQ_CNT_INT_12 26
+#define FIQ_CNT_INT_13 27
+#define FIQ_CNT_INT_14 28
+#define FIQ_CNT_INT_15 29
+
+#define FIQ_CIRC_BUFF 30 /*Start of circular buffer */
+
+#ifndef __ASSEMBLER__
+extern unsigned int fiq_buffer[];
+extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;
+
+extern void __init ams_delta_init_fiq(void);
+#endif
+
+#endif