linux-omap git: add patches for new DSS (the nokia version, not the TI one), update beagle defconfig and bump to 2.6.28rc3

14 files changed, 13308 insertions, 95 deletions

diff --git a/packages/linux/linux-omap/0003-DSS-Documentation-for-OMAP2-3-display-subsystem.patch b/packages/linux/linux-omap/0003-DSS-Documentation-for-OMAP2-3-display-subsystem.patch
new file mode 100644
index 0000000000..59c15cee7d
--- /dev/null
+++ b/packages/linux/linux-omap/0003-DSS-Documentation-for-OMAP2-3-display-subsystem.patch
@@ -0,0 +1,259 @@
+From 7a7fe8f7530bf5c7f3714acbe9a5ec8cf80c3d0c Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Tue, 4 Nov 2008 15:08:07 +0200
+Subject: [PATCH] DSS: Documentation for OMAP2/3 display subsystem
+
+Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+---
+ Documentation/arm/OMAP/DSS |  239 ++++++++++++++++++++++++++++++++++++++++++++
+ 1 files changed, 239 insertions(+), 0 deletions(-)
+ create mode 100644 Documentation/arm/OMAP/DSS
+
+diff --git a/Documentation/arm/OMAP/DSS b/Documentation/arm/OMAP/DSS
+new file mode 100644
+index 0000000..b0cc980
+--- /dev/null
++++ b/Documentation/arm/OMAP/DSS
+@@ -0,0 +1,239 @@
++OMAP2/3 Display Subsystem
++-------------------------
++
++This is an almost total rewrite of the OMAP FB driver in drivers/video/omap
++(let's call it DSS1). The main differences between DSS1 and DSS2 are DSI,
++TV-out and multiple display support.
++
++The DSS2 driver (omap-dss module) is in arch/arm/plat-omap/dss/, and the FB,
++panel and controller drivers are in drivers/video/omap2/. DSS1 and DSS2 live
++currently side by side, you can choose which one to use.
++
++Features
++--------
++
++Working and tested features include:
++
++- MIPI DPI (parallel) output
++- MIPI DSI output in command mode
++- MIPI DBI (RFBI) output (not tested for a while, might've gotten broken)
++- SDI output
++- TV output
++- All pieces can be compiled as a module or inside kernel
++- Use DISPC to update any of the outputs
++- Use CPU to update RFBI or DSI output
++- OMAP DISPC planes
++- RGB16, RGB24 packed, RGB24 unpacked
++- YUV2, UYVY 
++- Scaling
++- Adjusting DSS FCK to find a good pixel clock
++- Use DSI DPLL to create DSS FCK
++
++omap-dss driver
++------------
++
++The DSS driver does not itself have any support for Linux framebuffer, V4L or
++such like the current ones, but it has an internal kernel API that upper level
++drivers can use.
++
++The DSS driver models OMAP's overlays, overlay managers and displays in a
++flexible way to enable non-common multi-display configuration. In addition to
++modelling the hardware overlays, omap-dss supports virtual overlays and overlay
++managers. These can be used when updating a display with CPU or system DMA.
++
++Panel and controller drivers
++----------------------------
++
++The drivers implement panel or controller specific functionality and are not
++visible to users except through omapfb driver.  They register themselves to the
++DSS driver.
++
++omapfb driver
++-------------
++
++The omapfb driver implements arbitrary number of standard linux framebuffers.
++These framebuffers can be routed flexibly to any overlays, thus allowing very
++dynamic display architecture.
++
++The driver exports some omapfb specific ioctls, which are compatible with the
++ioctls in the old driver.
++
++The rest of the non standard features are exported via sysfs. Whether the final
++implementation will use sysfs, or ioctls, is still open.
++
++V4L2 drivers
++------------
++
++Currently there are no V4L2 display drivers planned, but it is possible to
++implement such either to omapfb driver, or as a separate one. From omap-dss
++point of view the V4L2 drivers should be similar to framebuffer driver.
++
++Architecture
++--------------------
++
++Some clarification what the different components do:
++
++    - Framebuffer is a memory area inside OMAP's SDRAM that contains the pixel
++      data for the image. Framebuffer has width and height and color depth.
++    - Overlay defines where the pixels are read from and where they go on the
++      screen. The overlay may be smaller than framebuffer, thus displaying only
++      part of the framebuffer. The position of the overlay may be changed if
++      the overlay is smaller than the display.
++    - Overlay manager combines the overlays in to one image and feeds them to
++      display.
++    - Display is the actual physical display device.
++
++A framebuffer can be connected to multiple overlays to show the same pixel data
++on all of the overlays. Note that in this case the overlay input sizes must be
++the same, but, in case of video overlays, the output size can be different. Any
++framebuffer can be connected to any overlay.
++
++An overlay can be connected to one overlay manager. Also DISPC overlays can be
++connected only to DISPC overlay managers, and virtual overlays can be only
++connected to virtual overlays.
++
++An overlay manager can be connected to one display. There are certain
++restrictions which kinds of displays an overlay manager can be connected:
++
++    - DISPC TV overlay manager can be only connected to TV display.
++    - Virtual overlay managers can only be connected to DBI or DSI displays.
++    - DISPC LCD overlay manager can be connected to all displays, except TV
++      display.
++
++Sysfs
++-----
++The sysfs interface is a hack, but works for testing. I don't think sysfs
++interface is the best for this in the final version, but I don't quite know
++what would be the best interfaces for these things.
++
++In /sys/devices/platform/omapfb we have four files: framebuffers,
++overlays, managers and displays. You can read them so see the current
++setup, and change them by writing to it in the form of
++"<item-id> <opt1>:<val1> <opt2>:<val2>..."
++
++"framebuffers" lists all framebuffers. Its format is:
++	<fb number>
++	t:<target overlay>
++
++"overlays" lists all overlays. Its format is:
++	<overlay name>
++	t:<target manager>
++	x:<xpos>
++	y:<ypos>
++	iw:<input width, read only>
++	ih:<input height, read only>
++	w:<output width>
++	h:<output height>
++	e:<enabled>
++
++"managers" lists all overlay managers. Its format is:
++	<manager name>
++	t:<target display>
++
++"displays" lists all displays. Its format is:
++	<display name>
++	w:<width>
++	h:<height>
++	e:<enabled>
++	u:<update mode>
++	t:<tear sync on/off>
++
++There is also a debug sysfs file at /sys/devices/platform/omap-dss/clk which
++shows how DSS has configured the clocks.
++
++Examples
++--------
++
++In the example scripts "omapfb" is a symlink to /sys/devices/platform/omapfb/.
++
++Default setup on OMAP3 SDP
++--------------------------
++
++Here's the default setup on OMAP3 SDP board. All planes go to LCD. DVI
++and TV-out are not in use. The columns from left to right are:
++framebuffers, overlays, overlay managers, displays. Framebuffers are
++handled by omapfb, and the rest by the DSS.
++
++FB0 --- GFX  -\            DVI
++FB1 --- VID1 --+- LCD ---- LCD
++FB2 --- VID2 -/   TV ----- TV
++
++Switch from LCD to DVI
++----------------------
++
++dviline=`cat omapfb/displays |grep dvi`
++w=`echo $dviline | cut -d " " -f 2 | cut -d ":" -f 2`
++h=`echo $dviline | cut -d " " -f 3 | cut -d ":" -f 2`
++
++echo "lcd e:0" > omapfb/displays
++echo "lcd t:none" > omapfb/managers
++fbset -fb /dev/fb0 -xres $w -yres $h
++# at this point you have to switch the dvi/lcd dip-switch from the omap board
++echo "lcd t:dvi" > omapfb/managers
++echo "dvi e:1" > omapfb/displays
++
++After this the configuration looks like:
++
++FB0 --- GFX  -\         -- DVI
++FB1 --- VID1 --+- LCD -/   LCD
++FB2 --- VID2 -/   TV ----- TV
++
++Clone GFX overlay to LCD and TV
++-------------------------------
++
++tvline=`cat /sys/devices/platform/omapfb/displays |grep tv`
++w=`echo $tvline | cut -d " " -f 2 | cut -d ":" -f 2`
++h=`echo $tvline | cut -d " " -f 3 | cut -d ":" -f 2`
++
++echo "1 t:none" > omapfb/framebuffers
++echo "0 t:gfx,vid1" > omapfb/framebuffers
++echo "gfx e:1" > omapfb/overlays
++echo "vid1 t:tv w:$w h:$h e:1" > omapfb/overlays
++echo "tv e:1" > omapfb/displays
++
++After this the configuration looks like (only relevant parts shown):
++
++FB0 +-- GFX  ---- LCD ---- LCD
++     \- VID1 ---- TV  ---- TV
++
++Misc notes
++----------
++
++OMAP FB allocates the framebuffer memory when it starts using
++dma_alloc_writecombine(). This requires large continuous physical memory areas
++and you can pre-reserve that area with "Consistent DMA memory size" Kconfig
++option.
++
++Using DSI DPLL to generate pixel clock it is possible produce the pixel clock
++of 86.5MHz (max possible), and with that you get 1280x1024@57 output from DVI.
++
++TODO
++----
++
++OMAP2 not tested for some time
++- DSS2 did work on OMAP2, but I haven't been able to test it for some time.
++
++DSS locking
++
++Error checking
++- Lots of checks are missing or implemented just as BUG()
++
++Rotate (external FB)
++Rotate (VRFB)
++Rotate (SMS)
++
++System DMA update for DSI
++- Can be used for RGB16 and RGB24P modes. Probably not for RGB24U (how
++  to skip the empty byte?)
++
++Power management
++- Context saving
++
++Resolution change
++- The x/y res of the framebuffer are not display resolutions, but the size
++  of the overlay.
++- The display resolution affects all planes on the display.
++
++OMAP1 support
++- Not sure if needed
++
+-- 
+1.5.6.3
+
diff --git a/packages/linux/linux-omap/0004-DSS-New-display-subsystem-driver-for-OMAP2-3.patch b/packages/linux/linux-omap/0004-DSS-New-display-subsystem-driver-for-OMAP2-3.patch
new file mode 100644
index 0000000000..febfc48c4d
--- /dev/null
+++ b/packages/linux/linux-omap/0004-DSS-New-display-subsystem-driver-for-OMAP2-3.patch
@@ -0,0 +1,4333 @@
+From 0cd726d12358cfe8d80fc0a309bb0c0732c716f0 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Tue, 4 Nov 2008 16:52:12 +0200
+Subject: [PATCH] DSS: New display subsystem driver for OMAP2/3
+
+DSI, RFBI and VENC are separate patches
+
+Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+---
+ arch/arm/plat-omap/Kconfig                |    2 +
+ arch/arm/plat-omap/Makefile               |    2 +
+ arch/arm/plat-omap/dss/Kconfig            |   66 ++
+ arch/arm/plat-omap/dss/Makefile           |    6 +
+ arch/arm/plat-omap/dss/dispc.c            | 1667 +++++++++++++++++++++++++++++
+ arch/arm/plat-omap/dss/display.c          |  781 ++++++++++++++
+ arch/arm/plat-omap/dss/dpi.c              |  303 ++++++
+ arch/arm/plat-omap/dss/dss.c              |  547 ++++++++++
+ arch/arm/plat-omap/dss/dss.h              |  240 +++++
+ arch/arm/plat-omap/dss/sdi.c              |  154 +++
+ arch/arm/plat-omap/include/mach/display.h |  458 ++++++++
+ 11 files changed, 4226 insertions(+), 0 deletions(-)
+ create mode 100644 arch/arm/plat-omap/dss/Kconfig
+ create mode 100644 arch/arm/plat-omap/dss/Makefile
+ create mode 100644 arch/arm/plat-omap/dss/dispc.c
+ create mode 100644 arch/arm/plat-omap/dss/display.c
+ create mode 100644 arch/arm/plat-omap/dss/dpi.c
+ create mode 100644 arch/arm/plat-omap/dss/dss.c
+ create mode 100644 arch/arm/plat-omap/dss/dss.h
+ create mode 100644 arch/arm/plat-omap/dss/sdi.c
+ create mode 100644 arch/arm/plat-omap/include/mach/display.h
+
+diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
+index 960c13f..4e90667 100644
+--- a/arch/arm/plat-omap/Kconfig
++++ b/arch/arm/plat-omap/Kconfig
+@@ -245,6 +245,8 @@ config OMAP_SERIAL_WAKE
+ 	  to data on the serial RX line. This allows you to wake the
+ 	  system from serial console.
+ 
++source "arch/arm/plat-omap/dss/Kconfig"
++
+ endmenu
+ 
+ endif
+diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
+index 1259846..2740497 100644
+--- a/arch/arm/plat-omap/Makefile
++++ b/arch/arm/plat-omap/Makefile
+@@ -29,3 +29,5 @@ obj-$(CONFIG_OMAP_MMU_FWK) += mmu.o
+ # OMAP mailbox framework
+ obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o
+ 
++# OMAP2/3 Display Subsystem
++obj-y += dss/
+diff --git a/arch/arm/plat-omap/dss/Kconfig b/arch/arm/plat-omap/dss/Kconfig
+new file mode 100644
+index 0000000..150cd24
+--- /dev/null
++++ b/arch/arm/plat-omap/dss/Kconfig
+@@ -0,0 +1,66 @@
++config OMAP2_DSS
++        tristate "OMAP2/3 Display Subsystem support (EXPERIMENTAL)"
++        depends on ARCH_OMAP2 || ARCH_OMAP3
++        help
++          OMAP2/3 Display Subsystem support.
++
++if OMAP2_DSS
++
++config OMAP2_DSS_DEBUG
++        bool "Debug output"
++	default n
++
++config OMAP2_DSS_RFBI
++	bool "RFBI support"
++        default y
++
++config OMAP2_DSS_VENC
++	bool "VENC support"
++        default y
++
++if ARCH_OMAP3
++
++config OMAP2_DSS_SDI
++	bool "SDI support"
++        default y
++
++config OMAP2_DSS_DSI
++	bool "DSI support"
++        default y
++
++endif
++
++config OMAP2_DSS_USE_DSI_PLL
++	bool "Use DSI PLL for PCLK (EXPERIMENTAL)"
++	default n
++	depends on OMAP2_DSS_DSI
++	help
++	  Use DSI PLL to generate pixel clock.
++	  Currently only for DPI output.
++
++config OMAP2_DSS_FAKE_VSYNC
++	bool "Fake VSYNC irq from manual update displays"
++	default n
++	help
++	  If this is selected, DSI will fake a DISPC VSYNC interrupt
++	  when DSI has sent a frame.
++
++config OMAP2_DSS_MIN_FCK_PER_PCK
++	int "Minimum FCK/PCK ratio (for scaling)"
++	range 1 32
++	default 4
++	help
++	  This can be used to adjust the minimum FCK/PCK ratio.
++
++	  With this you can make sure that DISPC FCK is at least
++	  n x PCK. Video plane scaling requires higher FCK than
++	  normally.
++
++	  If this is set to 1, there's no extra constraint on the
++	  DISPC FCK. However, the FCK will at minimum be
++	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
++
++	  Max FCK is 173MHz, so this doesn't work if your PCK
++	  is very high.
++
++endif
+diff --git a/arch/arm/plat-omap/dss/Makefile b/arch/arm/plat-omap/dss/Makefile
+new file mode 100644
+index 0000000..e98c6c1
+--- /dev/null
++++ b/arch/arm/plat-omap/dss/Makefile
+@@ -0,0 +1,6 @@
++obj-$(CONFIG_OMAP2_DSS) += omap-dss.o
++omap-dss-y := dss.o display.o dispc.o dpi.o
++omap-dss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
++omap-dss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
++omap-dss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
++omap-dss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
+diff --git a/arch/arm/plat-omap/dss/dispc.c b/arch/arm/plat-omap/dss/dispc.c
+new file mode 100644
+index 0000000..8f5da2d
+--- /dev/null
++++ b/arch/arm/plat-omap/dss/dispc.c
+@@ -0,0 +1,1667 @@
++/*
++ * linux/arch/arm/plat-omap/dss/dispc.c
++ *
++ * Copyright (C) 2008 Nokia Corporation
++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
++ *
++ * Some code and ideas taken from drivers/video/omap/ driver
++ * by Imre Deak.
++ *
++ * 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.
++ *
++ * 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, see <http://www.gnu.org/licenses/>.
++ */
++
++#define DSS_SUBSYS_NAME "DISPC"
++
++#include <linux/kernel.h>
++#include <linux/dma-mapping.h>
++#include <linux/vmalloc.h>
++#include <linux/clk.h>
++#include <linux/io.h>
++#include <linux/jiffies.h>
++
++#include <mach/sram.h>
++#include <mach/board.h>
++#include <mach/clock.h>
++
++#include <mach/display.h>
++
++#include "dss.h"
++
++/* DISPC */
++#define DISPC_BASE			0x48050400
++
++struct dispc_reg { u16 idx; };
++
++#define DISPC_REG(idx)			((const struct dispc_reg) { idx })
++
++/* DISPC common */
++#define DISPC_REVISION			DISPC_REG(0x0000)
++#define DISPC_SYSCONFIG			DISPC_REG(0x0010)
++#define DISPC_SYSSTATUS			DISPC_REG(0x0014)
++#define DISPC_IRQSTATUS			DISPC_REG(0x0018)
++#define DISPC_IRQENABLE			DISPC_REG(0x001C)
++#define DISPC_CONTROL			DISPC_REG(0x0040)
++#define DISPC_CONFIG			DISPC_REG(0x0044)
++#define DISPC_CAPABLE			DISPC_REG(0x0048)
++#define DISPC_DEFAULT_COLOR0		DISPC_REG(0x004C)
++#define DISPC_DEFAULT_COLOR1		DISPC_REG(0x0050)
++#define DISPC_TRANS_COLOR0		DISPC_REG(0x0054)
++#define DISPC_TRANS_COLOR1		DISPC_REG(0x0058)
++#define DISPC_LINE_STATUS		DISPC_REG(0x005C)
++#define DISPC_LINE_NUMBER		DISPC_REG(0x0060)
++#define DISPC_TIMING_H			DISPC_REG(0x0064)
++#define DISPC_TIMING_V			DISPC_REG(0x0068)
++#define DISPC_POL_FREQ			DISPC_REG(0x006C)
++#define DISPC_DIVISOR			DISPC_REG(0x0070)
++#define DISPC_SIZE_DIG			DISPC_REG(0x0078)
++#define DISPC_SIZE_LCD			DISPC_REG(0x007C)
++
++#define DISPC_DATA_CYCLE1		DISPC_REG(0x01D4)
++#define DISPC_DATA_CYCLE2		DISPC_REG(0x01D8)
++#define DISPC_DATA_CYCLE3		DISPC_REG(0x01DC)
++
++/* DISPC GFX plane */
++#define DISPC_GFX_BA0			DISPC_REG(0x0080)
++#define DISPC_GFX_BA1			DISPC_REG(0x0084)
++#define DISPC_GFX_POSITION		DISPC_REG(0x0088)
++#define DISPC_GFX_SIZE			DISPC_REG(0x008C)
++#define DISPC_GFX_ATTRIBUTES		DISPC_REG(0x00A0)
++#define DISPC_GFX_FIFO_THRESHOLD	DISPC_REG(0x00A4)
++#define DISPC_GFX_FIFO_SIZE_STATUS	DISPC_REG(0x00A8)
++#define DISPC_GFX_ROW_INC		DISPC_REG(0x00AC)
++#define DISPC_GFX_PIXEL_INC		DISPC_REG(0x00B0)
++#define DISPC_GFX_WINDOW_SKIP		DISPC_REG(0x00B4)
++#define DISPC_GFX_TABLE_BA		DISPC_REG(0x00B8)
++
++/* DISPC Video plane, n = 0 for VID1 and n = 1 for VID2 */
++#define DISPC_VID_REG(n, idx)		DISPC_REG(0x00BC + (n)*0x90 + idx)
++
++#define DISPC_VID_BA0(n)		DISPC_VID_REG(n, 0x0000)
++#define DISPC_VID_BA1(n)		DISPC_VID_REG(n, 0x0004)
++#define DISPC_VID_POSITION(n)		DISPC_VID_REG(n, 0x0008)
++#define DISPC_VID_SIZE(n)		DISPC_VID_REG(n, 0x000C)
++#define DISPC_VID_ATTRIBUTES(n)		DISPC_VID_REG(n, 0x0010)
++#define DISPC_VID_FIFO_THRESHOLD(n)	DISPC_VID_REG(n, 0x0014)
++#define DISPC_VID_FIFO_SIZE_STATUS(n)	DISPC_VID_REG(n, 0x0018)
++#define DISPC_VID_ROW_INC(n)		DISPC_VID_REG(n, 0x001C)
++#define DISPC_VID_PIXEL_INC(n)		DISPC_VID_REG(n, 0x0020)
++#define DISPC_VID_FIR(n)		DISPC_VID_REG(n, 0x0024)
++#define DISPC_VID_PICTURE_SIZE(n)	DISPC_VID_REG(n, 0x0028)
++#define DISPC_VID_ACCU0(n)		DISPC_VID_REG(n, 0x002C)
++#define DISPC_VID_ACCU1(n)		DISPC_VID_REG(n, 0x0030)
++
++/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
++#define DISPC_VID_FIR_COEF_H(n, i)	DISPC_REG(0x00F0 + (n)*0x90 + (i)*0x8)
++/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
++#define DISPC_VID_FIR_COEF_HV(n, i)	DISPC_REG(0x00F4 + (n)*0x90 + (i)*0x8)
++/* coef index i = {0, 1, 2, 3, 4} */
++#define DISPC_VID_CONV_COEF(n, i)	DISPC_REG(0x0130 + (n)*0x90 + (i)*0x4)
++
++#define DISPC_IRQ_MASK_ERROR            (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
++					 DISPC_IRQ_OCP_ERR | \
++					 DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
++					 DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
++					 DISPC_IRQ_SYNC_LOST)
++/*DISPC_IRQ_SYNC_LOST_DIGIT*/
++
++#define DISPC_MAX_NR_ISRS		8
++
++static struct {
++	omap_dispc_isr_t	isr;
++	void			*arg;
++	u32			mask;
++} registered_isr[DISPC_MAX_NR_ISRS];
++
++#define REG_GET(idx, start, end) \
++	FLD_GET(dispc_read_reg(idx), start, end)
++
++#define REG_FLD_MOD(idx, val, start, end)				\
++	dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
++
++static const struct dispc_reg dispc_reg_att[] = { DISPC_GFX_ATTRIBUTES,
++	DISPC_VID_ATTRIBUTES(0),
++	DISPC_VID_ATTRIBUTES(1) };
++
++static struct {
++	void __iomem    *base;
++
++	struct clk      *dss_ick;
++	struct clk	*dss1_fck;
++	struct clk      *dss_54m_fck;
++	struct clk	*dpll4_m4_ck;
++} dispc;
++
++static spinlock_t dss_lock;
++
++static inline void enable_clocks(int enable)
++{
++	if (enable) {
++		clk_enable(dispc.dss_ick);
++		clk_enable(dispc.dss1_fck);
++	} else {
++		clk_disable(dispc.dss1_fck);
++		clk_disable(dispc.dss_ick);
++	}
++}
++
++static inline void dispc_write_reg(const struct dispc_reg idx, u32 val)
++{
++	__raw_writel(val, dispc.base + idx.idx);
++}
++
++static inline u32 dispc_read_reg(const struct dispc_reg idx)
++{
++	return __raw_readl(dispc.base + idx.idx);
++}
++
++void dispc_go(enum omap_channel channel)
++{
++	int bit;
++	unsigned long tmo;
++
++	enable_clocks(1);
++
++	if (channel == OMAP_DSS_CHANNEL_LCD)
++		bit = 0; /* LCDENABLE */
++	else
++		bit = 1; /* DIGITALENABLE */
++
++	/* if the channel is not enabled, we don't need GO */
++	if (REG_GET(DISPC_CONTROL, bit, bit) == 0)
++		goto end;
++
++	if (channel == OMAP_DSS_CHANNEL_LCD)
++		bit = 5; /* GOLCD */
++	else
++		bit = 6; /* GODIGIT */
++
++	tmo = jiffies + msecs_to_jiffies(200);
++	while (REG_GET(DISPC_CONTROL, bit, bit) == 1) {
++		if (time_after(jiffies, tmo)) {
++			DSSERR("timeout waiting GO flag\n");
++			goto end;
++		}
++		cpu_relax();
++	}
++
++	DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" : "DIGIT");
++
++	REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit);
++end:
++	enable_clocks(0);
++}
++
++static void _dispc_write_firh_reg(enum omap_plane plane, int reg, u32 value)
++{
++	BUG_ON(plane == OMAP_DSS_GFX);
++
++	dispc_write_reg(DISPC_VID_FIR_COEF_H(plane-1, reg), value);
++}
++
++static void _dispc_write_firhv_reg(enum omap_plane plane, int reg, u32 value)
++{
++	BUG_ON(plane == OMAP_DSS_GFX);
++
++	dispc_write_reg(DISPC_VID_FIR_COEF_HV(plane-1, reg), value);
++}
++
++
++static void _dispc_set_scale_coef(enum omap_plane plane, int hscaleup,
++		int vscaleup)
++{
++	/* Coefficients for horizontal up-sampling */
++	const u32 coef_hup[8] = {
++		0x00800000,
++		0x0D7CF800,
++		0x1E70F5FF,
++		0x335FF5FE,
++		0xF74949F7,
++		0xF55F33FB,
++		0xF5701EFE,
++		0xF87C0DFF,
++	};
++
++	/* Coefficients for horizontal down-sampling */
++	const u32 coef_hdown[8] = {
++		0x24382400,
++		0x28371FFE,
++		0x2C361BFB,
++		0x303516F9,
++		0x11343311,
++		0x1635300C,
++		0x1B362C08,
++		0x1F372804,
++	};
++
++	/* Coefficients for horizontal and vertical up-sampling */
++	const u32 coef_hvup[8] = {
++		0x00800000,
++		0x037B02FF,
++		0x0C6F05FE,
++		0x205907FB,
++		0x00404000,
++		0x075920FE,
++		0x056F0CFF,
++		0x027B0300,
++	};
++
++	/* Coefficients for horizontal and vertical down-sampling */
++	const u32 coef_hvdown[8] = {
++		0x24382400,
++		0x28391F04,
++		0x2D381B08,
++		0x3237170C,
++		0x123737F7,
++		0x173732F9,
++		0x1B382DFB,
++		0x1F3928FE,
++	};
++
++	const u32 *h_coef;
++	const u32 *hv_coef;
++	const u32 *hv_coef_mod;
++	int i;
++
++	if (hscaleup)
++		h_coef = coef_hup;
++	else
++		h_coef = coef_hdown;
++
++	if (vscaleup) {
++		hv_coef = coef_hvup;
++
++		if (hscaleup)
++			hv_coef_mod = NULL;
++		else
++			hv_coef_mod = coef_hvdown;
++	} else {
++		hv_coef = coef_hvdown;
++
++		if (hscaleup)
++			hv_coef_mod = coef_hvup;
++		else
++			hv_coef_mod = NULL;
++	}
++
++	for (i = 0; i < 8; i++) {
++		u32 h, hv;
++
++		h = h_coef[i];
++
++		hv = hv_coef[i];
++
++		if (hv_coef_mod) {
++			hv &= 0xffffff00;
++			hv |= (hv_coef_mod[i] & 0xff);
++		}
++
++		_dispc_write_firh_reg(plane, i, h);
++		_dispc_write_firhv_reg(plane, i, hv);
++	}
++}
++
++static void _dispc_setup_color_conv_coef(void)
++{
++	const struct color_conv_coef {
++		int  ry,  rcr,  rcb,   gy,  gcr,  gcb,   by,  bcr,  bcb;
++		int  full_range;
++	}  ctbl_bt601_5 = {
++		298,  409,    0,  298, -208, -100,  298,    0,  517, 0,
++	};
++
++	const struct color_conv_coef *ct;
++
++#define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
++
++	ct = &ctbl_bt601_5;
++
++	dispc_write_reg(DISPC_VID_CONV_COEF(0, 0), CVAL(ct->rcr, ct->ry));
++	dispc_write_reg(DISPC_VID_CONV_COEF(0, 1), CVAL(ct->gy,	 ct->rcb));
++	dispc_write_reg(DISPC_VID_CONV_COEF(0, 2), CVAL(ct->gcb, ct->gcr));
++	dispc_write_reg(DISPC_VID_CONV_COEF(0, 3), CVAL(ct->bcr, ct->by));
++	dispc_write_reg(DISPC_VID_CONV_COEF(0, 4), CVAL(0,       ct->bcb));
++
++	dispc_write_reg(DISPC_VID_CONV_COEF(1, 0), CVAL(ct->rcr, ct->ry));
++	dispc_write_reg(DISPC_VID_CONV_COEF(1, 1), CVAL(ct->gy,	 ct->rcb));
++	dispc_write_reg(DISPC_VID_CONV_COEF(1, 2), CVAL(ct->gcb, ct->gcr));
++	dispc_write_reg(DISPC_VID_CONV_COEF(1, 3), CVAL(ct->bcr, ct->by));
++	dispc_write_reg(DISPC_VID_CONV_COEF(1, 4), CVAL(0,       ct->bcb));
++
++#undef CVAL
++
++	REG_FLD_MOD(DISPC_VID_ATTRIBUTES(0), ct->full_range, 11, 11);
++	REG_FLD_MOD(DISPC_VID_ATTRIBUTES(1), ct->full_range, 11, 11);
++}
++
++
++static void _dispc_set_plane_ba0(enum omap_plane plane, u32 paddr)
++{
++	const struct dispc_reg ba0_reg[] = { DISPC_GFX_BA0,
++		DISPC_VID_BA0(0),
++		DISPC_VID_BA0(1) };
++
++	dispc_write_reg(ba0_reg[plane], paddr);
++}
++
++static void _dispc_set_plane_ba1(enum omap_plane plane, u32 paddr)
++{
++	const struct dispc_reg ba1_reg[] = { DISPC_GFX_BA1,
++				      DISPC_VID_BA1(0),
++				      DISPC_VID_BA1(1) };
++
++	dispc_write_reg(ba1_reg[plane], paddr);
++}
++
++static void _dispc_set_plane_pos(enum omap_plane plane, int x, int y)
++{
++	const struct dispc_reg pos_reg[] = { DISPC_GFX_POSITION,
++				      DISPC_VID_POSITION(0),
++				      DISPC_VID_POSITION(1) };
++
++	u32 val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
++	dispc_write_reg(pos_reg[plane], val);
++}
++
++static void _dispc_set_pic_size(enum omap_plane plane, int width, int height)
++{
++	const struct dispc_reg siz_reg[] = { DISPC_GFX_SIZE,
++				      DISPC_VID_PICTURE_SIZE(0),
++				      DISPC_VID_PICTURE_SIZE(1) };
++	u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
++	dispc_write_reg(siz_reg[plane], val);
++}
++
++static void _dispc_set_vid_size(enum omap_plane plane, int width, int height)
++{
++	u32 val;
++	const struct dispc_reg vsi_reg[] = { DISPC_VID_SIZE(0),
++				      DISPC_VID_SIZE(1) };
++
++	BUG_ON(plane == OMAP_DSS_GFX);
++
++	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
++	dispc_write_reg(vsi_reg[plane-1], val);
++}
++
++static void _dispc_set_row_inc(enum omap_plane plane, int inc)
++{
++	const struct dispc_reg ri_reg[] = { DISPC_GFX_ROW_INC,
++				     DISPC_VID_ROW_INC(0),
++				     DISPC_VID_ROW_INC(1) };
++
++	dispc_write_reg(ri_reg[plane], inc);
++}
++
++static void _dispc_set_color_mode(enum omap_plane plane,
++		enum omap_color_mode color_mode)
++{
++	u32 m = 0;
++
++	switch (color_mode) {
++	case OMAP_DSS_COLOR_CLUT1:
++		m = 0x0; break;
++	case OMAP_DSS_COLOR_CLUT2:
++		m = 0x1; break;
++	case OMAP_DSS_COLOR_CLUT4:
++		m = 0x2; break;
++	case OMAP_DSS_COLOR_CLUT8:
++		m = 0x3; break;
++	case OMAP_DSS_COLOR_RGB12U:
++		m = 0x4; break;
++	case OMAP_DSS_COLOR_ARGB16:
++		m = 0x5; break;
++	case OMAP_DSS_COLOR_RGB16:
++		m = 0x6; break;
++	case OMAP_DSS_COLOR_RGB24U:
++		m = 0x8; break;
++	case OMAP_DSS_COLOR_RGB24P:
++		m = 0x9; break;
++	case OMAP_DSS_COLOR_YUV2:
++		m = 0xa; break;
++	case OMAP_DSS_COLOR_UYVY:
++		m = 0xb; break;
++	case OMAP_DSS_COLOR_ARGB32:
++		m = 0xc; break;
++	case OMAP_DSS_COLOR_RGBA32:
++		m = 0xd; break;
++	case OMAP_DSS_COLOR_RGBX32:
++		m = 0xe; break;
++	default:
++		BUG(); break;
++	}
++
++	REG_FLD_MOD(dispc_reg_att[plane], m, 4, 1);
++}
++
++static void _dispc_set_channel_out(enum omap_plane plane,
++		enum omap_channel channel)
++{
++	int shift;
++	u32 val;
++
++	switch (plane) {
++	case OMAP_DSS_GFX:
++		shift = 8;
++		break;
++	case OMAP_DSS_VIDEO1:
++	case OMAP_DSS_VIDEO2:
++		shift = 16;
++		break;
++	default:
++		BUG();
++		return;
++	}
++
++	val = dispc_read_reg(dispc_reg_att[plane]);
++	val = FLD_MOD(val, channel, shift, shift);
++	dispc_write_reg(dispc_reg_att[plane], val);
++}
++
++static void _dispc_set_burst_size(enum omap_plane plane,
++		enum omap_burst_size burst_size)
++{
++	int shift;
++	u32 val;
++
++	switch (plane) {
++	case OMAP_DSS_GFX:
++		shift = 6;
++		break;
++	case OMAP_DSS_VIDEO1:
++	case OMAP_DSS_VIDEO2:
++		shift = 14;
++		break;
++	default:
++		BUG();
++		return;
++	}
++
++	val = dispc_read_reg(dispc_reg_att[plane]);
++	val = FLD_MOD(val, burst_size, shift+1, shift);
++	dispc_write_reg(dispc_reg_att[plane], val);
++}
++
++static void _dispc_set_vid_color_conv(enum omap_plane plane, int enable)
++{
++	u32 val;
++
++	BUG_ON(plane == OMAP_DSS_GFX);
++
++	val = dispc_read_reg(dispc_reg_att[plane]);
++	val = FLD_MOD(val, enable, 9, 9);
++	dispc_write_reg(dispc_reg_att[plane], val);
++}
++
++void dispc_set_lcd_size(int width, int height)
++{
++	u32 val;
++	BUG_ON((width > (1 << 11)) || (height > (1 << 11)));
++	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
++	enable_clocks(1);
++	dispc_write_reg(DISPC_SIZE_LCD, val);
++	enable_clocks(0);
++}
++
++void dispc_set_digit_size(int width, int height)
++{
++	u32 val;
++	BUG_ON((width > (1 << 11)) || (height > (1 << 11)));
++	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
++	enable_clocks(1);
++	dispc_write_reg(DISPC_SIZE_DIG, val);
++	enable_clocks(0);
++}
++
++void dispc_setup_plane_fifo(enum omap_plane plane, int ext_mode)
++{
++	const struct dispc_reg ftrs_reg[] = { DISPC_GFX_FIFO_THRESHOLD,
++				       DISPC_VID_FIFO_THRESHOLD(0),
++				       DISPC_VID_FIFO_THRESHOLD(1) };
++	const struct dispc_reg fsz_reg[] = { DISPC_GFX_FIFO_SIZE_STATUS,
++				      DISPC_VID_FIFO_SIZE_STATUS(0),
++				      DISPC_VID_FIFO_SIZE_STATUS(1) };
++	int low, high;
++	u32 size;
++
++	enable_clocks(1);
++
++	if (cpu_is_omap24xx())
++		size = FLD_GET(dispc_read_reg(fsz_reg[plane]), 8, 0);
++	else if (cpu_is_omap34xx())
++		size = FLD_GET(dispc_read_reg(fsz_reg[plane]), 10, 0);
++	else
++		BUG();
++
++	if (ext_mode) {
++		low = size * 3 / 4;
++		high = size;
++	} else {
++		low = size / 4;
++		high = size * 3 / 4;
++	}
++
++	if (cpu_is_omap24xx())
++		dispc_write_reg(ftrs_reg[plane],
++				FLD_VAL(high, 24, 16) | FLD_VAL(low, 8, 0));
++	else
++		dispc_write_reg(ftrs_reg[plane],
++				FLD_VAL(high, 27, 16) | FLD_VAL(low, 11, 0));
++
++	enable_clocks(0);
++}
++
++static void _dispc_set_fir(enum omap_plane plane, int hinc, int vinc)
++{
++	u32 val;
++	const struct dispc_reg fir_reg[] = { DISPC_VID_FIR(0),
++				      DISPC_VID_FIR(1) };