[PATCH 1/3] arm: omap2: Export devconf1 bypass and acbias.
flat view
STALE4684d
From: Marek Belisko <hidden>
Date: 2013-10-14 21:03:00
Also in:
linux-arm-kernel, linux-omap, lkml
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
devconf1 reg access is localized only in mach-omap2 and we need to export updating of devconf1 from omapdss venc driver (bypass and acbias bits). Add simple api call which update only necessary bits. Signed-off-by: Marek Belisko <redacted> --- arch/arm/mach-omap2/Makefile | 2 ++ arch/arm/mach-omap2/control.h | 2 ++ arch/arm/mach-omap2/omap3-tvout.c | 36 ++++++++++++++++++++++++++++++++++++ include/linux/omap-tvout.h | 14 ++++++++++++++ 4 files changed, 54 insertions(+) create mode 100644 arch/arm/mach-omap2/omap3-tvout.c create mode 100644 include/linux/omap-tvout.h
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index afb457c..15e0f28 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile@@ -306,3 +306,5 @@ emac-$(CONFIG_TI_DAVINCI_EMAC) := am35xx-emac.o obj-y += $(emac-m) $(emac-y) obj-y += common-board-devices.o twl-common.o dss-common.o + +obj-$(CONFIG_ARCH_OMAP3) += omap3-tvout.o
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index f7d7c2e..65277f1 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h@@ -279,6 +279,8 @@ /* CONTROL_DEVCONF1 bits */ #define OMAP243X_MMC1_ACTIVE_OVERWRITE (1 << 31) +#define OMAP2_TVOUTBYPASS (1 << 18) +#define OMAP2_TVACEN (1 << 11) #define OMAP2_MMCSDIO2ADPCLKISEL (1 << 6) /* MMC2 loop back clock */ #define OMAP2_MCBSP5_CLKS_MASK (1 << 4) /* > 242x */ #define OMAP2_MCBSP4_CLKS_MASK (1 << 2) /* > 242x */
diff --git a/arch/arm/mach-omap2/omap3-tvout.c b/arch/arm/mach-omap2/omap3-tvout.c
new file mode 100644
index 0000000..eaed225
--- /dev/null
+++ b/arch/arm/mach-omap2/omap3-tvout.c@@ -0,0 +1,36 @@ +/* + * linux/arch/arm/mach-omap2/omap3-tvout.c + * + * Copyright (C) 2013 Golden Delicious Computers + * Author: Marek Belisko <marek@goldelico.com> + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/omap-tvout.h> + +#include "soc.h" +#include "control.h" + +void update_bypass_acbias(bool bypass, bool acbias) +{ +#ifdef CONFIG_ARCH_OMAP3 + int val = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); + + if (bypass) + val |= OMAP2_TVOUTBYPASS; + else + val &= ~OMAP2_TVOUTBYPASS; + + if (acbias) + val |= OMAP2_TVACEN; + else + val &= ~OMAP2_TVACEN; + + omap_ctrl_writel(val, OMAP343X_CONTROL_DEVCONF1); +#endif +} +
diff --git a/include/linux/omap-tvout.h b/include/linux/omap-tvout.h
new file mode 100644
index 0000000..25f676d
--- /dev/null
+++ b/include/linux/omap-tvout.h@@ -0,0 +1,14 @@ +/* + * OMAP TV-out support + * + * 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 __LINUX_OMAP_TVOUT_H +#define __LINUX_OMAP_TVOUT_H + +extern void update_bypass_acbias(bool bypass, bool acbias); + +#endif +
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1.8.1.2