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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-l7200/include/mach/pmpcon.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB [ARM] 5166/1: magician: add MAINTAINERS entry [ARM] fix pnx4008 build errors [ARM] Fix SMP booting with non-zero PHYS_OFFSET [ARM] 5185/1: Fix spi num_chipselect for lubbock [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead [ARM] Eliminate useless includes of asm/mach-types.h [ARM] Fix circular include dependency with IRQ headers avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> avr32: Introduce arch/avr32/mach-*/include/mach avr32: Move include/asm-avr32 to arch/avr32/include/asm [ARM] sa1100_wdt: use reset_status to remember watchdog reset status [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage [ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/mach-l7200/include/mach/pmpcon.h')
-rw-r--r--arch/arm/mach-l7200/include/mach/pmpcon.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-l7200/include/mach/pmpcon.h b/arch/arm/mach-l7200/include/mach/pmpcon.h
new file mode 100644
index 00000000000..3959871e836
--- /dev/null
+++ b/arch/arm/mach-l7200/include/mach/pmpcon.h
@@ -0,0 +1,46 @@
+/****************************************************************************/
+/*
+ * arch/arm/mach-l7200/include/mach/pmpcon.h
+ *
+ * Registers and helper functions for the L7200 Link-Up Systems
+ * DC/DC converter register.
+ *
+ * (C) Copyright 2000, S A McConnell (samcconn@cotw.com)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+/****************************************************************************/
+
+#define PMPCON_OFF 0x00006000 /* Offset from IO_START_2. */
+
+/* IO_START_2 and IO_BASE_2 are defined in hardware.h */
+
+#define PMPCON_START (IO_START_2 + PMPCON_OFF) /* Physical address of reg. */
+#define PMPCON_BASE (IO_BASE_2 + PMPCON_OFF) /* Virtual address of reg. */
+
+
+#define PMPCON (*(volatile unsigned int *)(PMPCON_BASE))
+
+#define PWM2_50CYCLE 0x800
+#define CONTRAST 0x9
+
+#define PWM1H (CONTRAST)
+#define PWM1L (CONTRAST << 4)
+
+#define PMPCON_VALUE (PWM2_50CYCLE | PWM1L | PWM1H)
+
+/* PMPCON = 0x811; // too light and fuzzy
+ * PMPCON = 0x844;
+ * PMPCON = 0x866; // better color poor depth
+ * PMPCON = 0x888; // Darker but better depth
+ * PMPCON = 0x899; // Darker even better depth
+ * PMPCON = 0x8aa; // too dark even better depth
+ * PMPCON = 0X8cc; // Way too dark
+ */
+
+/* As CONTRAST value increases the greater the depth perception and
+ * the darker the colors.
+ */