[PATCH] au1200fb: Alchemy Au1200 framebuffer driver
authorRalf Baechle <ralf@linux-mips.org>
Mon, 27 Mar 2006 09:17:27 +0000 (01:17 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 27 Mar 2006 16:44:55 +0000 (08:44 -0800)
Add support for Alchemy Au1200 framebuffer driver

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/video/Kconfig
drivers/video/Makefile
drivers/video/au1200fb.c [new file with mode: 0644]
drivers/video/au1200fb.h [new file with mode: 0644]

index fdebd60a3250a68213f68a41ee451693351d2af1..3a890610ebe7635f327a3f61118bc5ab5754469a 100644 (file)
@@ -1202,6 +1202,17 @@ config FB_AU1100
        bool "Au1100 LCD Driver"
        depends on (FB = y) && EXPERIMENTAL && PCI && MIPS && MIPS_PB1100=y
 
+config FB_AU1200
+       bool "Au1200 LCD Driver"
+       depends on FB && MIPS && SOC_AU1200
+       select FB_CFB_FILLRECT
+       select FB_CFB_COPYAREA
+       select FB_CFB_IMAGEBLIT
+       help
+         This is the framebuffer driver for the AMD Au1200 SOC.  It can drive
+         various panels and CRTs by passing in kernel cmd line option
+         au1200fb:panel=<name>.
+
 source "drivers/video/geode/Kconfig"
 
 config FB_FFB
index aa434e725c0d844af830a0f273339d26c19d0d1b..cb90218515ac4477392d8a6116a163006205e446 100644 (file)
@@ -86,6 +86,7 @@ obj-$(CONFIG_FB_ASILIANT)       += asiliantfb.o
 obj-$(CONFIG_FB_PXA)             += pxafb.o
 obj-$(CONFIG_FB_W100)            += w100fb.o
 obj-$(CONFIG_FB_AU1100)                  += au1100fb.o
+obj-$(CONFIG_FB_AU1200)                  += au1200fb.o
 obj-$(CONFIG_FB_PMAG_AA)         += pmag-aa-fb.o
 obj-$(CONFIG_FB_PMAG_BA)         += pmag-ba-fb.o
 obj-$(CONFIG_FB_PMAGB_B)         += pmagb-b-fb.o
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
new file mode 100644 (file)
index 0000000..b367de3
--- /dev/null
@@ -0,0 +1,3844 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *     Au1200 LCD Driver.
+ *
+ * Copyright 2004-2005 AMD
+ * Author: AMD
+ *
+ * Based on:
+ * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device
+ *  Created 28 Dec 1997 by Geert Uytterhoeven
+ *
+ *  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  SOFTWARE  IS PROVIDED          ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,          INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED          TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN         CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/mach-au1x00/au1000.h>
+#include "au1200fb.h"
+
+#ifdef CONFIG_PM
+#include <asm/mach-au1x00/au1xxx_pm.h>
+#endif
+
+#ifndef CONFIG_FB_AU1200_DEVS
+#define CONFIG_FB_AU1200_DEVS 4
+#endif
+
+#define DRIVER_NAME "au1200fb"
+#define DRIVER_DESC "LCD controller driver for AU1200 processors"
+
+#define DEBUG 1
+
+#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
+#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
+#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
+
+#if DEBUG
+#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg)
+#else
+#define print_dbg(f, arg...) do {} while (0)
+#endif
+
+
+#define AU1200_LCD_FB_IOCTL 0x46FF
+
+#define AU1200_LCD_SET_SCREEN 1
+#define AU1200_LCD_GET_SCREEN 2
+#define AU1200_LCD_SET_WINDOW 3
+#define AU1200_LCD_GET_WINDOW 4
+#define AU1200_LCD_SET_PANEL  5
+#define AU1200_LCD_GET_PANEL  6
+
+#define SCREEN_SIZE                (1<< 1)
+#define SCREEN_BACKCOLOR    (1<< 2)
+#define SCREEN_BRIGHTNESS   (1<< 3)
+#define SCREEN_COLORKEY     (1<< 4)
+#define SCREEN_MASK         (1<< 5)
+
+struct au1200_lcd_global_regs_t {
+       unsigned int flags;
+       unsigned int xsize;
+       unsigned int ysize;
+       unsigned int backcolor;
+       unsigned int brightness;
+       unsigned int colorkey;
+       unsigned int mask;
+       unsigned int panel_choice;
+       char panel_desc[80];
+
+};
+
+#define WIN_POSITION            (1<< 0)
+#define WIN_ALPHA_COLOR         (1<< 1)
+#define WIN_ALPHA_MODE          (1<< 2)
+#define WIN_PRIORITY            (1<< 3)
+#define WIN_CHANNEL             (1<< 4)
+#define WIN_BUFFER_FORMAT       (1<< 5)
+#define WIN_COLOR_ORDER         (1<< 6)
+#define WIN_PIXEL_ORDER         (1<< 7)
+#define WIN_SIZE                (1<< 8)
+#define WIN_COLORKEY_MODE       (1<< 9)
+#define WIN_DOUBLE_BUFFER_MODE  (1<< 10)
+#define WIN_RAM_ARRAY_MODE      (1<< 11)
+#define WIN_BUFFER_SCALE        (1<< 12)
+#define WIN_ENABLE                 (1<< 13)
+
+struct au1200_lcd_window_regs_t {
+       unsigned int flags;
+       unsigned int xpos;
+       unsigned int ypos;
+       unsigned int alpha_color;
+       unsigned int alpha_mode;
+       unsigned int priority;
+       unsigned int channel;
+       unsigned int buffer_format;
+       unsigned int color_order;
+       unsigned int pixel_order;
+       unsigned int xsize;
+       unsigned int ysize;
+       unsigned int colorkey_mode;
+       unsigned int double_buffer_mode;
+       unsigned int ram_array_mode;
+       unsigned int xscale;
+       unsigned int yscale;
+       unsigned int enable;
+};
+
+
+struct au1200_lcd_iodata_t {
+       unsigned int subcmd;
+       struct au1200_lcd_global_regs_t global;
+       struct au1200_lcd_window_regs_t window;
+};
+
+#if defined(__BIG_ENDIAN)
+#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
+#else
+#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
+#endif
+#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
+
+/* Private, per-framebuffer management information (independent of the panel itself) */
+struct au1200fb_device {
+       struct fb_info fb_info;                 /* FB driver info record */
+
+       int                                     plane;
+       unsigned char*          fb_mem;         /* FrameBuffer memory map */
+       unsigned int            fb_len;
+       dma_addr_t              fb_phys;
+};
+
+static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS];
+/********************************************************************/
+
+/* LCD controller restrictions */
+#define AU1200_LCD_MAX_XRES    1280
+#define AU1200_LCD_MAX_YRES    1024
+#define AU1200_LCD_MAX_BPP     32
+#define AU1200_LCD_MAX_CLK     96000000 /* fixme: this needs to go away ? */
+#define AU1200_LCD_NBR_PALETTE_ENTRIES 256
+
+/* Default number of visible screen buffer to allocate */
+#define AU1200FB_NBR_VIDEO_BUFFERS 1
+
+/********************************************************************/
+
+static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR;
+static int window_index = 2; /* default is zero */
+static int panel_index = 2; /* default is zero */
+static struct window_settings *win;
+static struct panel_settings *panel;
+static int noblanking = 1;
+static int nohwcursor = 0;
+
+struct window_settings {
+       unsigned char name[64];
+       uint32 mode_backcolor;
+       uint32 mode_colorkey;
+       uint32 mode_colorkeymsk;
+       struct {
+               int xres;
+               int yres;
+               int xpos;
+               int ypos;
+               uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */
+               uint32 mode_winenable;
+       } w[4];
+};
+
+#if defined(__BIG_ENDIAN)
+#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00
+#else
+#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
+#endif
+
+extern int board_au1200fb_panel_init (void);
+extern int board_au1200fb_panel_shutdown (void);
+
+#ifdef CONFIG_PM
+int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
+               au1xxx_request_t request, void *data);
+au1xxx_power_dev_t *LCD_pm_dev;
+#endif
+
+/*
+ * Default window configurations
+ */
+static struct window_settings windows[] = {
+       { /* Index 0 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 100, 100, 100, 100,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN1,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+
+       { /* Index 1 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 320, 240, 5, 5,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP |
+                               LCD_WINCTRL1_PO_00,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565
+                               | LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 100, 100, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 200, 25, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+       { /* Index 2 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP |
+                               LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+       /* Need VGA 640 @ 24bpp, @ 32bpp */
+       /* Need VGA 800 @ 24bpp, @ 32bpp */
+       /* Need VGA 1024 @ 24bpp, @ 32bpp */
+};
+
+/*
+ * Controller configurations for various panels.
+ */
+
+struct panel_settings
+{
+       const char name[25];            /* Full name <vendor>_<model> */
+
+       struct  fb_monspecs monspecs;   /* FB monitor specs */
+
+       /* panel timings */
+       uint32 mode_screen;
+       uint32 mode_horztiming;
+       uint32 mode_verttiming;
+       uint32 mode_clkcontrol;
+       uint32 mode_pwmdiv;
+       uint32 mode_pwmhi;
+       uint32 mode_outmask;
+       uint32 mode_fifoctrl;
+       uint32 mode_toyclksrc;
+       uint32 mode_backlight;
+       uint32 mode_auxpll;
+       int (*device_init)(void);
+       int (*device_shutdown)(void);
+#define Xres min_xres
+#define Yres min_yres
+       u32     min_xres;               /* Minimum horizontal resolution */
+       u32     max_xres;               /* Maximum horizontal resolution */
+       u32     min_yres;               /* Minimum vertical resolution */
+       u32     max_yres;               /* Maximum vertical resolution */
+};
+
+/********************************************************************/
+/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */
+
+/* List of panels known to work with the AU1200 LCD controller.
+ * To add a new panel, enter the same specifications as the
+ * Generic_TFT one, and MAKE SURE that it doesn't conflicts
+ * with the controller restrictions. Restrictions are:
+ *
+ * STN color panels: max_bpp <= 12
+ * STN mono panels: max_bpp <= 4
+ * TFT panels: max_bpp <= 16
+ * max_xres <= 800
+ * max_yres <= 600
+ */
+static struct panel_settings known_lcd_panels[] =
+{
+       [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */
+               .name = "QVGA_320x240",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(320) |
+                       LCD_SCREEN_SY_N(240),
+               .mode_horztiming        = 0x00c4623b,
+               .mode_verttiming        = 0x00502814,
+               .mode_clkcontrol        = 0x00020002, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               320, 320,
+               240, 240,
+       },
+
+       [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */
+               .name = "VGA_640x480",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x13f9df80,
+               .mode_horztiming        = 0x003c5859,
+               .mode_verttiming        = 0x00741201,
+               .mode_clkcontrol        = 0x00020001, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               640, 480,
+               640, 480,
+       },
+
+       [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
+               .name = "SVGA_800x600",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x18fa5780,
+               .mode_horztiming        = 0x00dc7e77,
+               .mode_verttiming        = 0x00584805,
+               .mode_clkcontrol        = 0x00020000, /* /2=48Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               800, 800,
+               600, 600,
+       },
+
+       [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
+               .name = "XVGA_1024x768",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x1ffaff80,
+               .mode_horztiming        = 0x007d0e57,
+               .mode_verttiming        = 0x00740a01,
+               .mode_clkcontrol        = 0x000A0000, /* /1 */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 6, /* 72MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               1024, 1024,
+               768, 768,
+       },
+
+       [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
+               .name = "XVGA_1280x1024",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x27fbff80,
+               .mode_horztiming        = 0x00cdb2c7,
+               .mode_verttiming        = 0x00600002,
+               .mode_clkcontrol        = 0x000A0000, /* /1 */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 10, /* 120MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               1280, 1280,
+               1024, 1024,
+       },
+
+       [5] = { /* Samsung 1024x768 TFT */
+               .name = "Samsung_1024x768_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x1ffaff80,
+               .mode_horztiming        = 0x018cc677,
+               .mode_verttiming        = 0x00241217,
+               .mode_clkcontrol        = 0x00000000, /* SCB 0x1 /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f, /* SCB 0x0 */
+               .mode_pwmhi             = 0x03400000, /* SCB 0x0 */
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               1024, 1024,
+               768, 768,
+       },
+
+       [6] = { /* Toshiba 640x480 TFT */
+               .name = "Toshiba_640x480_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(640) |
+                       LCD_SCREEN_SY_N(480),
+               .mode_horztiming        = LCD_HORZTIMING_HPW_N(96) |
+                       LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
+               .mode_verttiming        = LCD_VERTTIMING_VPW_N(2) |
+                       LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
+               .mode_clkcontrol        = 0x00000000, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               640, 480,
+               640, 480,
+       },
+
+       [7] = { /* Sharp 320x240 TFT */
+               .name = "Sharp_320x240_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 12500,
+                       .hfmax = 20000,
+                       .vfmin = 38,
+                       .vfmax = 81,
+                       .dclkmin = 4500000,
+                       .dclkmax = 6800000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(320) |
+                       LCD_SCREEN_SY_N(240),
+               .mode_horztiming        = LCD_HORZTIMING_HPW_N(60) |
+                       LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
+               .mode_verttiming        = LCD_VERTTIMING_VPW_N(2) |
+                       LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
+               .mode_clkcontrol        = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               320, 320,
+               240, 240,
+       },
+
+       [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
+               .name = "Toppoly_TD070WGCB2",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(856) |
+                       LCD_SCREEN_SY_N(480),
+               .mode_horztiming        = LCD_HORZTIMING_HND2_N(43) |
+                       LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
+               .mode_verttiming        = LCD_VERTTIMING_VND2_N(20) |
+                       LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
+               .mode_clkcontrol        = 0x00020001, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               856, 856,
+               480, 480,
+       },
+};
+
+#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels))
+
+/********************************************************************/
+
+#ifdef CONFIG_PM
+static int set_brightness(unsigned int brightness)
+{
+       unsigned int hi1, divider;
+
+       /* limit brightness pwm duty to >= 30/1600 */
+       if (brightness < 30) {
+               brightness = 30;
+       }
+       divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+       hi1 = (lcd->pwmhi >> 16) + 1;
+       hi1 = (((brightness & 0xFF) + 1) * divider >> 8);
+       lcd->pwmhi &= 0xFFFF;
+       lcd->pwmhi |= (hi1 << 16);
+
+       return brightness;
+}
+#endif /* CONFIG_PM */
+
+static int winbpp (unsigned int winctrl1)
+{
+       int bits = 0;
+
+       /* how many bits are needed for each pixel format */
+       switch (winctrl1 & LCD_WINCTRL1_FRM) {
+       case LCD_WINCTRL1_FRM_1BPP:
+               bits = 1;
+               break;
+       case LCD_WINCTRL1_FRM_2BPP:
+               bits = 2;
+               break;
+       case LCD_WINCTRL1_FRM_4BPP:
+               bits = 4;
+               break;
+       case LCD_WINCTRL1_FRM_8BPP:
+               bits = 8;
+               break;
+       case LCD_WINCTRL1_FRM_12BPP:
+       case LCD_WINCTRL1_FRM_16BPP655:
+       case LCD_WINCTRL1_FRM_16BPP565:
+       case LCD_WINCTRL1_FRM_16BPP556:
+       case LCD_WINCTRL1_FRM_16BPPI1555:
+       case LCD_WINCTRL1_FRM_16BPPI5551:
+       case LCD_WINCTRL1_FRM_16BPPA1555:
+       case LCD_WINCTRL1_FRM_16BPPA5551:
+               bits = 16;
+               break;
+       case LCD_WINCTRL1_FRM_24BPP:
+       case LCD_WINCTRL1_FRM_32BPP:
+               bits = 32;
+               break;
+       }
+
+       return bits;
+}
+
+static int fbinfo2index (struct fb_info *fb_info)
+{
+       int i;
+
+       for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
+               if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
+                       return i;
+       }
+       printk("au1200fb: ERROR: fbinfo2index failed!\n");
+       return -1;
+}
+
+static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
+       int xpos, int ypos)
+{
+       uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
+       int xsz, ysz;
+
+       /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */
+
+       winctrl0 = lcd->window[plane].winctrl0;
+       winctrl1 = lcd->window[plane].winctrl1;
+       winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
+       winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);
+
+       /* Check for off-screen adjustments */
+       xsz = win->w[plane].xres;
+       ysz = win->w[plane].yres;
+       if ((xpos + win->w[plane].xres) > panel->Xres) {
+               /* Off-screen to the right */
+               xsz = panel->Xres - xpos; /* off by 1 ??? */
+               /*printk("off screen right\n");*/
+       }
+
+       if ((ypos + win->w[plane].yres) > panel->Yres) {
+               /* Off-screen to the bottom */
+               ysz = panel->Yres - ypos; /* off by 1 ??? */
+               /*printk("off screen bottom\n");*/
+       }
+
+       if (xpos < 0) {
+               /* Off-screen to the left */
+               xsz = win->w[plane].xres + xpos;
+               fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8);
+               xpos = 0;
+               /*printk("off screen left\n");*/
+       }
+
+       if (ypos < 0) {
+               /* Off-screen to the top */
+               ysz = win->w[plane].yres + ypos;
+               /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */
+               ypos = 0;
+               /*printk("off screen top\n");*/
+       }
+
+       /* record settings */
+       win->w[plane].xpos = xpos;
+       win->w[plane].ypos = ypos;
+
+       xsz -= 1;
+       ysz -= 1;
+       winctrl0 |= (xpos << 21);
+       winctrl0 |= (ypos << 10);
+       winctrl1 |= (xsz << 11);
+       winctrl1 |= (ysz << 0);
+
+       /* Disable the window while making changes, then restore WINEN */
+       winenable = lcd->winenable & (1 << plane);
+       au_sync();
+       lcd->winenable &= ~(1 << plane);
+       lcd->window[plane].winctrl0 = winctrl0;
+       lcd->window[plane].winctrl1 = winctrl1;
+       lcd->window[plane].winbuf0 =
+       lcd->window[plane].winbuf1 = fbdev->fb_phys;
+       lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
+       lcd->winenable |= winenable;
+       au_sync();
+
+       return 0;
+}
+
+static void au1200_setpanel (struct panel_settings *newpanel)
+{
+       /*
+        * Perform global setup/init of LCD controller
+        */
+       uint32 winenable;
+
+       /* Make sure all windows disabled */
+       winenable = lcd->winenable;
+       lcd->winenable = 0;
+       au_sync();
+       /*
+        * Ensure everything is disabled before reconfiguring
+        */
+       if (lcd->screen & LCD_SCREEN_SEN) {
+               /* Wait for vertical sync period */
+               lcd->intstatus = LCD_INT_SS;
+               while ((lcd->intstatus & LCD_INT_SS) == 0) {
+                       au_sync();
+               }
+
+               lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/
+
+               do {
+                       lcd->intstatus = lcd->intstatus; /*clear interrupts*/
+                       au_sync();
+               /*wait for controller to shut down*/
+               } while ((lcd->intstatus & LCD_INT_SD) == 0);
+
+               /* Call shutdown of current panel (if up) */
+               /* this must occur last, because if an external clock is driving
+                   the controller, the clock cannot be turned off before first
+                       shutting down the controller.
+                */
+               if (panel->device_shutdown != NULL)
+                       panel->device_shutdown();
+       }
+
+       /* Newpanel == NULL indicates a shutdown operation only */
+       if (newpanel == NULL)
+               return;
+
+       panel = newpanel;
+
+       printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);
+
+       /*
+        * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
+        */
+       if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
+       {
+               uint32 sys_clksrc;
+               au_writel(panel->mode_auxpll, SYS_AUXPLL);
+               sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f;
+               sys_clksrc |= panel->mode_toyclksrc;
+               au_writel(sys_clksrc, SYS_CLKSRC);
+       }
+
+       /*
+        * Configure panel timings
+        */
+       lcd->screen = panel->mode_screen;
+       lcd->horztiming = panel->mode_horztiming;
+       lcd->verttiming = panel->mode_verttiming;
+       lcd->clkcontrol = panel->mode_clkcontrol;
+       lcd->pwmdiv = panel->mode_pwmdiv;
+       lcd->pwmhi = panel->mode_pwmhi;
+       lcd->outmask = panel->mode_outmask;
+       lcd->fifoctrl = panel->mode_fifoctrl;
+       au_sync();
+
+       /* fixme: Check window settings to make sure still valid
+        * for new geometry */
+#if 0
+       au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos);
+       au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos);
+       au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos);
+       au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos);
+#endif
+       lcd->winenable = winenable;
+
+       /*
+        * Re-enable screen now that it is configured
+        */
+       lcd->screen |= LCD_SCREEN_SEN;
+       au_sync();
+
+       /* Call init of panel */
+       if (panel->device_init != NULL) panel->device_init();
+
+       /* FIX!!!! not appropriate on panel change!!! Global setup/init */
+       lcd->intenable = 0;
+       lcd->intstatus = ~0;
+       lcd->backcolor = win->mode_backcolor;
+
+       /* Setup Color Key - FIX!!! */
+       lcd->colorkey = win->mode_colorkey;
+       lcd->colorkeymsk = win->mode_colorkeymsk;
+
+       /* Setup HWCursor - FIX!!! Need to support this eventually */
+       lcd->hwc.cursorctrl = 0;
+       lcd->hwc.cursorpos = 0;
+       lcd->hwc.cursorcolor0 = 0;
+       lcd->hwc.cursorcolor1 = 0;
+       lcd->hwc.cursorcolor2 = 0;
+       lcd->hwc.cursorcolor3 = 0;
+
+
+#if 0
+#define D(X) printk("%25s: %08X\n", #X, X)
+       D(lcd->screen);
+       D(lcd->horztiming);
+       D(lcd->verttiming);
+       D(lcd->clkcontrol);
+       D(lcd->pwmdiv);
+       D(lcd->pwmhi);
+       D(lcd->outmask);
+       D(lcd->fifoctrl);
+       D(lcd->window[0].winctrl0);
+       D(lcd->window[0].winctrl1);
+       D(lcd->window[0].winctrl2);
+       D(lcd->window[0].winbuf0);
+       D(lcd->window[0].winbuf1);
+       D(lcd->window[0].winbufctrl);
+       D(lcd->window[1].winctrl0);
+       D(lcd->window[1].winctrl1);
+       D(lcd->window[1].winctrl2);
+       D(lcd->window[1].winbuf0);
+       D(lcd->window[1].winbuf1);
+       D(lcd->window[1].winbufctrl);
+       D(lcd->window[2].winctrl0);
+       D(lcd->window[2].winctrl1);
+       D(lcd->window[2].winctrl2);
+       D(lcd->window[2].winbuf0);
+       D(lcd->window[2].winbuf1);
+       D(lcd->window[2].winbufctrl);
+       D(lcd->window[3].winctrl0);
+       D(lcd->window[3].winctrl1);
+       D(lcd->window[3].winctrl2);
+       D(lcd->window[3].winbuf0);
+       D(lcd->window[3].winbuf1);
+       D(lcd->window[3].winbufctrl);
+       D(lcd->winenable);
+       D(lcd->intenable);
+       D(lcd->intstatus);
+       D(lcd->backcolor);
+       D(lcd->winenable);
+       D(lcd->colorkey);
+    D(lcd->colorkeymsk);
+       D(lcd->hwc.cursorctrl);
+       D(lcd->hwc.cursorpos);
+       D(lcd->hwc.cursorcolor0);
+       D(lcd->hwc.cursorcolor1);
+       D(lcd->hwc.cursorcolor2);
+       D(lcd->hwc.cursorcolor3);
+#endif
+}
+
+static void au1200_setmode(struct au1200fb_device *fbdev)
+{
+       int plane = fbdev->plane;
+       /* Window/plane setup */
+       lcd->window[plane].winctrl1 = ( 0
+               | LCD_WINCTRL1_PRI_N(plane)
+               | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */
+               ) ;
+
+       au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos);
+
+       lcd->window[plane].winctrl2 = ( 0
+               | LCD_WINCTRL2_CKMODE_00
+               | LCD_WINCTRL2_DBM
+               | LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length)
+               | LCD_WINCTRL2_SCX_1
+               | LCD_WINCTRL2_SCY_1
+               ) ;
+       lcd->winenable |= win->w[plane].mode_winenable;
+       au_sync();
+}
+
+
+/* Inline helpers */
+
+/*#define panel_is_dual(panel)  ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
+/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
+
+#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN)
+
+/* Bitfields format supported by the controller. */
+static struct fb_bitfield rgb_bitfields[][4] = {
+       /*     Red,        Green,        Blue,       Transp   */
+       [LCD_WINCTRL1_FRM_16BPP655 >> 25] =
+               { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPP565 >> 25] =
+               { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPP556 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] =
+               { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] =
+               { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
+
+       [LCD_WINCTRL1_FRM_24BPP >> 25] =
+               { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_32BPP >> 25] =
+               { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } },
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Helpers */
+
+static void au1200fb_update_fbinfo(struct fb_info *fbi)
+{
+       /* FIX!!!! This also needs to take the window pixel format into account!!! */
+
+       /* Update var-dependent FB info */
+       if (panel_is_color(panel)) {
+               if (fbi->var.bits_per_pixel <= 8) {
+                       /* palettized */
+                       fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+                       fbi->fix.line_length = fbi->var.xres_virtual /
+                               (8/fbi->var.bits_per_pixel);
+               } else {
+                       /* non-palettized */
+                       fbi->fix.visual = FB_VISUAL_TRUECOLOR;
+                       fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
+               }
+       } else {
+               /* mono FIX!!! mono 8 and 4 bits */
+               fbi->fix.visual = FB_VISUAL_MONO10;
+               fbi->fix.line_length = fbi->var.xres_virtual / 8;
+       }
+
+       fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
+       print_dbg("line length: %d\n", fbi->fix.line_length);
+       print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 framebuffer driver */
+
+/* fb_check_var
+ * Validate var settings with hardware restrictions and modify it if necessary
+ */
+static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
+       struct fb_info *fbi)
+{
+       struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
+       u32 pixclock;
+       int screen_size, plane;
+
+       plane = fbdev->plane;
+
+       /* Make sure that the mode respect all LCD controller and
+        * panel restrictions. */
+       var->xres = win->w[plane].xres;
+       var->yres = win->w[plane].yres;
+
+       /* No need for virtual resolution support */
+       var->xres_virtual = var->xres;
+       var->yres_virtual = var->yres;
+
+       var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1);
+
+       screen_size = var->xres_virtual * var->yres_virtual;
+       if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8);
+       else screen_size /= (8/var->bits_per_pixel);
+
+       if (fbdev->fb_len < screen_size)
+               return -EINVAL; /* Virtual screen is to big, abort */
+
+       /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */
+       /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel
+        * clock can only be obtain by dividing this value by an even integer.
+        * Fallback to a slower pixel clock if necessary. */
+       pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
+       pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2));
+
+       if (AU1200_LCD_MAX_CLK % pixclock) {
+               int diff = AU1200_LCD_MAX_CLK % pixclock;
+               pixclock -= diff;
+       }
+
+       var->pixclock = KHZ2PICOS(pixclock/1000);
+#if 0
+       if (!panel_is_active(panel)) {
+               int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1;
+
+               if (!panel_is_color(panel)
+                       && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) {
+                       /* STN 8bit mono panel support is up to 6MHz pixclock */
+                       var->pixclock = KHZ2PICOS(6000);
+               } else if (!pcd) {
+                       /* Other STN panel support is up to 12MHz  */
+                       var->pixclock = KHZ2PICOS(12000);
+               }
+       }
+#endif
+       /* Set bitfield accordingly */
+       switch (var->bits_per_pixel) {
+               case 16:
+               {
+                       /* 16bpp True color.
+                        * These must be set to MATCH WINCTRL[FORM] */
+                       int idx;
+                       idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+                       var->red    = rgb_bitfields[idx][0];
+                       var->green  = rgb_bitfields[idx][1];
+                       var->blue   = rgb_bitfields[idx][2];
+                       var->transp = rgb_bitfields[idx][3];
+                       break;
+               }
+
+               case 32:
+               {
+                       /* 32bpp True color.
+                        * These must be set to MATCH WINCTRL[FORM] */
+                       int idx;
+                       idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+                       var->red    = rgb_bitfields[idx][0];
+                       var->green  = rgb_bitfields[idx][1];
+                       var->blue   = rgb_bitfields[idx][2];
+                       var->transp = rgb_bitfields[idx][3];
+                       break;
+               }
+               default:
+                       print_dbg("Unsupported depth %dbpp", var->bits_per_pixel);
+                       return -EINVAL;
+       }
+
+       return 0;
+}
+
+/* fb_set_par
+ * Set hardware with var settings. This will enable the controller with a
+ * specific mode, normally validated with the fb_check_var method
+ */
+static int au1200fb_fb_set_par(struct fb_info *fbi)
+{
+       struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
+
+       au1200fb_update_fbinfo(fbi);
+       au1200_setmode(fbdev);
+
+       return 0;
+}
+
+/* fb_setcolreg
+ * Set color in LCD palette.
+ */
+static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
+       unsigned blue, unsigned transp, struct fb_info *fbi)
+{
+       volatile u32 *palette = lcd->palette;
+       u32 value;
+
+       if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1))
+               return -EINVAL;
+
+       if (fbi->var.grayscale) {
+               /* Convert color to grayscale */
+               red = green = blue =
+                       (19595 * red + 38470 * green + 7471 * blue) >> 16;
+       }
+
+       if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
+               /* Place color in the pseudopalette */
+               if (regno > 16)
+                       return -EINVAL;
+
+               palette = (u32*) fbi->pseudo_palette;
+
+               red   >>= (16 - fbi->var.red.length);
+               green >>= (16 - fbi->var.green.length);
+               blue  >>= (16 - fbi->var.blue.length);
+
+               value = (red   << fbi->var.red.offset)  |
+                       (green << fbi->var.green.offset)|
+                       (blue  << fbi->var.blue.offset);
+               value &= 0xFFFF;
+
+       } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) {
+               /* COLOR TFT PALLETTIZED (use RGB 565) */
+               value = (red & 0xF800)|((green >> 5) &
+                               0x07E0)|((blue >> 11) & 0x001F);
+               value &= 0xFFFF;
+
+       } else if (0 /*panel_is_color(fbdev->panel)*/) {
+               /* COLOR STN MODE */
+               value = 0x1234;
+               value &= 0xFFF;
+       } else {
+               /* MONOCHROME MODE */
+               value = (green >> 12) & 0x000F;
+               value &= 0xF;
+       }
+
+       palette[regno] = value;
+
+       return 0;
+}
+
+/* fb_blank
+ * Blank the screen. Depending on the mode, the screen will be
+ * activated with the backlight color, or desactivated
+ */
+static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
+{
+       /* Short-circuit screen blanking */
+       if (noblanking)
+               return 0;
+
+       switch (blank_mode) {
+
+       case FB_BLANK_UNBLANK:
+       case FB_BLANK_NORMAL:
+               /* printk("turn on panel\n"); */
+               au1200_setpanel(panel);
+               break;
+       case FB_BLANK_VSYNC_SUSPEND:
+       case FB_BLANK_HSYNC_SUSPEND:
+       case FB_BLANK_POWERDOWN:
+               /* printk("turn off panel\n"); */
+               au1200_setpanel(NULL);
+               break;
+       default:
+               break;
+
+       }
+
+       /* FB_BLANK_NORMAL is a soft blank */
+       return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0;
+}
+
+/* fb_mmap
+ * Map video memory in user space. We don't use the generic fb_mmap
+ * method mainly to allow the use of the TLB streaming flag (CCA=6)
+ */
+static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+
+{
+       unsigned int len;
+       unsigned long start=0, off;
+       struct au1200fb_device *fbdev = (struct au1200fb_device *) info;
+
+#ifdef CONFIG_PM
+       au1xxx_pm_access(LCD_pm_dev);
+#endif
+
+       if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
+               return -EINVAL;
+       }
+
+       start = fbdev->fb_phys & PAGE_MASK;
+       len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
+
+       off = vma->vm_pgoff << PAGE_SHIFT;
+
+       if ((vma->vm_end - vma->vm_start + off) > len) {
+               return -EINVAL;
+       }
+
+       off += start;
+       vma->vm_pgoff = off >> PAGE_SHIFT;
+
+       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+       pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
+
+       vma->vm_flags |= VM_IO;
+
+       return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
+                                 vma->vm_end - vma->vm_start,
+                                 vma->vm_page_prot);
+
+       return 0;
+}
+
+static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
+{
+
+       unsigned int hi1, divider;
+
+       /* SCREEN_SIZE: user cannot reset size, must switch panel choice */
+
+       if (pdata->flags & SCREEN_BACKCOLOR)
+               lcd->backcolor = pdata->backcolor;
+
+       if (pdata->flags & SCREEN_BRIGHTNESS) {
+
+               // limit brightness pwm duty to >= 30/1600
+               if (pdata->brightness < 30) {
+                       pdata->brightness = 30;
+               }
+               divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+               hi1 = (lcd->pwmhi >> 16) + 1;
+               hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8);
+               lcd->pwmhi &= 0xFFFF;
+               lcd->pwmhi |= (hi1 << 16);
+       }
+
+       if (pdata->flags & SCREEN_COLORKEY)
+               lcd->colorkey = pdata->colorkey;
+
+       if (pdata->flags & SCREEN_MASK)
+               lcd->colorkeymsk = pdata->mask;
+       au_sync();
+}
+
+static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
+{
+       unsigned int hi1, divider;
+
+       pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1;
+       pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1;
+
+       pdata->backcolor = lcd->backcolor;
+       pdata->colorkey = lcd->colorkey;
+       pdata->mask = lcd->colorkeymsk;
+
+       // brightness
+       hi1 = (lcd->pwmhi >> 16) + 1;
+       divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+       pdata->brightness = ((hi1 << 8) / divider) - 1;
+       au_sync();
+}
+
+static void set_window(unsigned int plane,
+       struct au1200_lcd_window_regs_t *pdata)
+{
+       unsigned int val, bpp;
+
+       /* Window control register 0 */
+       if (pdata->flags & WIN_POSITION) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX |
+                               LCD_WINCTRL0_OY);
+               val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX);
+               val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY);
+               lcd->window[plane].winctrl0 = val;
+       }
+       if (pdata->flags & WIN_ALPHA_COLOR) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A);
+               val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A);
+               lcd->window[plane].winctrl0 = val;
+       }
+       if (pdata->flags & WIN_ALPHA_MODE) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN);
+               val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN);
+               lcd->window[plane].winctrl0 = val;
+       }
+
+       /* Window control register 1 */
+       if (pdata->flags & WIN_PRIORITY) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI);
+               val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_CHANNEL) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE);
+               val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_BUFFER_FORMAT) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM);
+               val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_COLOR_ORDER) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO);
+               val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_PIXEL_ORDER) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO);
+               val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_SIZE) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX |
+                               LCD_WINCTRL1_SZY);
+               val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX);
+               val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY);
+               lcd->window[plane].winctrl1 = val;
+               /* program buffer line width */
+               bpp = winbpp(val) / 8;
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX);
+               val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       /* Window control register 2 */
+       if (pdata->flags & WIN_COLORKEY_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE);
+               val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE);
+               lcd->window[plane].winctrl2 = val;
+       }
+       if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM);
+               val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM);
+               lcd->window[plane].winctrl2 = val;
+       }
+       if (pdata->flags & WIN_RAM_ARRAY_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM);
+               val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       /* Buffer line width programmed with WIN_SIZE */
+
+       if (pdata->flags & WIN_BUFFER_SCALE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX |
+                               LCD_WINCTRL2_SCY);
+               val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX);
+               val |= ((pdata->ysize) & LCD_WINCTRL2_SCY);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       if (pdata->flags & WIN_ENABLE) {
+               val = lcd->winenable;
+               val &= ~(1<<plane);
+               val |= (pdata->enable & 1) << plane;
+               lcd->winenable = val;
+       }
+       au_sync();
+}
+
+static void get_window(unsigned int plane,
+       struct au1200_lcd_window_regs_t *pdata)
+{
+       /* Window control register 0 */
+       pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21;
+       pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10;
+       pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2;
+       pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1;
+
+       /* Window control register 1 */
+       pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30;
+       pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29;
+       pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+       pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24;
+       pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22;
+       pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1;
+       pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1;
+
+       /* Window control register 2 */
+       pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24;
+       pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23;
+       pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;
+
+       pdata->enable = (lcd->winenable >> plane) & 1;
+       au_sync();
+}
+
+static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
+                          unsigned long arg)
+{
+       int plane;
+       int val;
+
+#ifdef CONFIG_PM
+       au1xxx_pm_access(LCD_pm_dev);
+#endif
+
+       plane = fbinfo2index(info);
+       print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane);
+
+       if (cmd == AU1200_LCD_FB_IOCTL) {
+               struct au1200_lcd_iodata_t iodata;
+
+               if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata)))
+                       return -EFAULT;
+
+               print_dbg("FB IOCTL called\n");
+
+               switch (iodata.subcmd) {
+               case AU1200_LCD_SET_SCREEN:
+                       print_dbg("AU1200_LCD_SET_SCREEN\n");
+                       set_global(cmd, &iodata.global);
+                       break;
+
+               case AU1200_LCD_GET_SCREEN:
+                       print_dbg("AU1200_LCD_GET_SCREEN\n");
+                       get_global(cmd, &iodata.global);
+                       break;
+
+               case AU1200_LCD_SET_WINDOW:
+                       print_dbg("AU1200_LCD_SET_WINDOW\n");
+                       set_window(plane, &iodata.window);
+                       break;
+
+               case AU1200_LCD_GET_WINDOW:
+                       print_dbg("AU1200_LCD_GET_WINDOW\n");
+                       get_window(plane, &iodata.window);
+                       break;
+
+               case AU1200_LCD_SET_PANEL:
+                       print_dbg("AU1200_LCD_SET_PANEL\n");
+                       if ((iodata.global.panel_choice >= 0) &&
+                                       (iodata.global.panel_choice <
+                                        NUM_PANELS))
+                       {
+                               struct panel_settings *newpanel;
+                               panel_index = iodata.global.panel_choice;
+                               newpanel = &known_lcd_panels[panel_index];
+                               au1200_setpanel(newpanel);
+                       }
+                       break;
+
+               case AU1200_LCD_GET_PANEL:
+                       print_dbg("AU1200_LCD_GET_PANEL\n");
+                       iodata.global.panel_choice = panel_index;
+                       break;
+
+               default:
+                       return -EINVAL;
+               }
+
+               val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata));
+               if (val) {
+                       print_dbg("error: could not copy %d bytes\n", val);
+                       return -EFAULT;
+               }
+       }
+
+       return 0;
+}
+
+
+static struct fb_ops au1200fb_fb_ops = {
+       .owner          = THIS_MODULE,
+       .fb_check_var   = au1200fb_fb_check_var,
+       .fb_set_par     = au1200fb_fb_set_par,
+       .fb_setcolreg   = au1200fb_fb_setcolreg,
+       .fb_blank       = au1200fb_fb_blank,
+       .fb_fillrect    = cfb_fillrect,
+       .fb_copyarea    = cfb_copyarea,
+       .fb_imageblit   = cfb_imageblit,
+       .fb_sync        = NULL,
+       .fb_ioctl       = au1200fb_ioctl,
+       .fb_mmap        = au1200fb_fb_mmap,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id, struct pt_regs *regs)
+{
+       /* Nothing to do for now, just clear any pending interrupt */
+       lcd->intstatus = lcd->intstatus;
+       au_sync();
+
+       return IRQ_HANDLED;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 LCD device probe helpers */
+
+static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
+{
+       struct fb_info *fbi = &fbdev->fb_info;
+       int bpp;
+
+       memset(fbi, 0, sizeof(struct fb_info));
+       fbi->fbops = &au1200fb_fb_ops;
+
+       bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);
+
+       /* Copy monitor specs from panel data */
+       /* fixme: we're setting up LCD controller windows, so these dont give a
+       damn as to what the monitor specs are (the panel itself does, but that
+       isnt done here...so maybe need a generic catchall monitor setting??? */
+       memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
+
+       /* We first try the user mode passed in argument. If that failed,
+        * or if no one has been specified, we default to the first mode of the
+        * panel list. Note that after this call, var data will be set */
+       if (!fb_find_mode(&fbi->var,
+                         fbi,
+                         NULL, /* drv_info.opt_mode, */
+                         fbi->monspecs.modedb,
+                         fbi->monspecs.modedb_len,
+                         fbi->monspecs.modedb,
+                         bpp)) {
+
+               print_err("Cannot find valid mode for panel %s", panel->name);
+               return -EFAULT;
+       }
+
+       fbi->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
+       if (!fbi->pseudo_palette) {
+               return -ENOMEM;
+       }
+       memset(fbi->pseudo_palette, 0, sizeof(u32) * 16);
+
+       if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
+               print_err("Fail to allocate colormap (%d entries)",
+                          AU1200_LCD_NBR_PALETTE_ENTRIES);
+               kfree(fbi->pseudo_palette);
+               return -EFAULT;
+       }
+
+       strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
+       fbi->fix.smem_start = fbdev->fb_phys;
+       fbi->fix.smem_len = fbdev->fb_len;
+       fbi->fix.type = FB_TYPE_PACKED_PIXELS;
+       fbi->fix.xpanstep = 0;
+       fbi->fix.ypanstep = 0;
+       fbi->fix.mmio_start = 0;
+       fbi->fix.mmio_len = 0;
+       fbi->fix.accel = FB_ACCEL_NONE;
+
+       fbi->screen_base = (char __iomem *) fbdev->fb_mem;
+
+       au1200fb_update_fbinfo(fbi);
+
+       return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 LCD controller device driver */
+
+static int au1200fb_drv_probe(struct device *dev)
+{
+       struct au1200fb_device *fbdev;
+       unsigned long page;
+       int bpp, plane, ret;
+
+       if (!dev)
+               return -EINVAL;
+
+       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
+               bpp = winbpp(win->w[plane].mode_winctrl1);
+               if (win->w[plane].xres == 0)
+                       win->w[plane].xres = panel->Xres;
+               if (win->w[plane].yres == 0)
+                       win->w[plane].yres = panel->Yres;
+
+               fbdev = &_au1200fb_devices[plane];
+               memset(fbdev, 0, sizeof(struct au1200fb_device));
+               fbdev->plane = plane;
+
+               /* Allocate the framebuffer to the maximum screen size */
+               fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
+
+               fbdev->fb_mem = dma_alloc_noncoherent(dev,
+                               PAGE_ALIGN(fbdev->fb_len),
+                               &fbdev->fb_phys, GFP_KERNEL);
+               if (!fbdev->fb_mem) {
+                       print_err("fail to allocate frambuffer (size: %dK))",
+                                 fbdev->fb_len / 1024);
+                       return -ENOMEM;
+               }
+
+               /*
+                * Set page reserved so that mmap will work. This is necessary
+                * since we'll be remapping normal memory.
+                */
+               for (page = (unsigned long)fbdev->fb_phys;
+                    page < PAGE_ALIGN((unsigned long)fbdev->fb_phys +
+                            fbdev->fb_len);
+                    page += PAGE_SIZE) {
+                       SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */
+               }
+               print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
+               print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
+
+               /* Init FB data */
+               if ((ret = au1200fb_init_fbinfo(fbdev)) < 0)
+                       goto failed;
+
+               /* Register new framebuffer */
+               if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) {
+                       print_err("cannot register new framebuffer");
+                       goto failed;
+               }
+
+               au1200fb_fb_set_par(&fbdev->fb_info);
+
+#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
+               if (plane == 0)
+                       if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) {
+                               /* Start display and show logo on boot */
+                               fb_set_cmap(&fbdev->fb_info.cmap,
+                                               &fbdev->fb_info);
+
+                               fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR);
+                       }
+#endif
+       }
+
+       /* Now hook interrupt too */
+       if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
+                         SA_INTERRUPT | SA_SHIRQ, "lcd", (void *)dev)) < 0) {
+               print_err("fail to request interrupt line %d (err: %d)",
+                         AU1200_LCD_INT, ret);
+               goto failed;
+       }
+
+       return 0;
+
+failed:
+       /* NOTE: This only does the current plane/window that failed; others are still active */
+       if (fbdev->fb_mem)
+               dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
+                               fbdev->fb_mem, fbdev->fb_phys);
+       if (fbdev->fb_info.cmap.len != 0)
+               fb_dealloc_cmap(&fbdev->fb_info.cmap);
+       if (fbdev->fb_info.pseudo_palette)
+               kfree(fbdev->fb_info.pseudo_palette);
+       if (plane == 0)
+               free_irq(AU1200_LCD_INT, (void*)dev);
+       return ret;
+}
+
+static int au1200fb_drv_remove(struct device *dev)
+{
+       struct au1200fb_device *fbdev;
+       int plane;
+
+       if (!dev)
+               return -ENODEV;
+
+       /* Turn off the panel */
+       au1200_setpanel(NULL);
+
+       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)
+       {
+               fbdev = &_au1200fb_devices[plane];
+
+               /* Clean up all probe data */
+               unregister_framebuffer(&fbdev->fb_info);
+               if (fbdev->fb_mem)
+                       dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
+                                       fbdev->fb_mem, fbdev->fb_phys);
+               if (fbdev->fb_info.cmap.len != 0)
+                       fb_dealloc_cmap(&fbdev->fb_info.cmap);
+               if (fbdev->fb_info.pseudo_palette)
+                       kfree(fbdev->fb_info.pseudo_palette);
+       }
+
+       free_irq(AU1200_LCD_INT, (void *)dev);
+
+       return 0;
+}
+
+#ifdef CONFIG_PM
+static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level)
+{
+       /* TODO */
+       return 0;
+}
+
+static int au1200fb_drv_resume(struct device *dev, u32 level)
+{
+       /* TODO */
+       return 0;
+}
+#endif /* CONFIG_PM */
+
+static struct device_driver au1200fb_driver = {
+       .name           = "au1200-lcd",
+       .bus            = &platform_bus_type,
+       .probe          = au1200fb_drv_probe,
+       .remove         = au1200fb_drv_remove,
+#ifdef CONFIG_PM
+       .suspend        = au1200fb_drv_suspend,
+       .resume         = au1200fb_drv_resume,
+#endif
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Kernel driver */
+
+static void au1200fb_setup(void)
+{
+       char* options = NULL;
+       char* this_opt;
+       int num_panels = ARRAY_SIZE(known_lcd_panels);
+       int panel_idx = -1;
+
+       fb_get_options(DRIVER_NAME, &options);
+
+       if (options) {
+               while ((this_opt = strsep(&options,",")) != NULL) {
+                       /* Panel option - can be panel name,
+                        * "bs" for board-switch, or number/index */
+                       if (!strncmp(this_opt, "panel:", 6)) {
+                               int i;
+                               long int li;
+                               char *endptr;
+                               this_opt += 6;
+                               /* First check for index, which allows
+                                * to short circuit this mess */
+                               li = simple_strtol(this_opt, &endptr, 0);
+                               if (*endptr == '\0') {
+                                       panel_idx = (int)li;
+                               }
+                               else if (strcmp(this_opt, "bs") == 0) {
+                                       extern int board_au1200fb_panel(void);
+                                       panel_idx = board_au1200fb_panel();
+                               }
+
+                               else
+                               for (i = 0; i < num_panels; i++) {
+                                       if (!strcmp(this_opt, known_lcd_panels[i].name)) {
+                                               panel_idx = i;
+                                               break;
+                                       }
+                               }
+
+                               if ((panel_idx < 0) || (panel_idx >= num_panels)) {
+                                               print_warn("Panel %s not supported!", this_opt);
+                               }
+                               else
+                                       panel_index = panel_idx;
+                       }
+
+                       else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
+                               nohwcursor = 1;
+                       }
+
+                       /* Unsupported option */
+                       else {
+                               print_warn("Unsupported option \"%s\"", this_opt);
+                       }
+               }
+       }
+}
+
+#ifdef CONFIG_PM
+static int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
+               au1xxx_request_t request, void *data) {
+       int retval = -1;
+       unsigned int d = 0;
+       unsigned int brightness = 0;
+
+       if (request == AU1XXX_PM_SLEEP) {
+               board_au1200fb_panel_shutdown();
+       }
+       else if (request == AU1XXX_PM_WAKEUP) {
+               if(dev->prev_state == SLEEP_STATE)
+               {
+                       int plane;
+                       au1200_setpanel(panel);
+                       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)         {
+                               struct au1200fb_device *fbdev;
+                               fbdev = &_au1200fb_devices[plane];
+                               au1200fb_fb_set_par(&fbdev->fb_info);
+                       }
+               }
+
+               d = *((unsigned int*)data);
+               if(d <=10) brightness = 26;
+               else if(d<=20) brightness = 51;
+               else if(d<=30) brightness = 77;
+               else if(d<=40) brightness = 102;
+               else if(d<=50) brightness = 128;
+               else if(d<=60) brightness = 153;
+               else if(d<=70) brightness = 179;
+               else if(d<=80) brightness = 204;
+               else if(d<=90) brightness = 230;
+               else brightness = 255;
+               set_brightness(brightness);
+       } else if (request == AU1XXX_PM_GETSTATUS) {
+               return dev->cur_state;
+       } else if (request == AU1XXX_PM_ACCESS) {
+               if (dev->cur_state != SLEEP_STATE)
+                       return retval;
+               else {
+                       au1200_setpanel(panel);
+               }
+       } else if (request == AU1XXX_PM_IDLE) {
+       } else if (request == AU1XXX_PM_CLEANUP) {
+       }
+
+       return retval;
+}
+#endif
+
+static int __init au1200fb_init(void)
+{
+       print_info("" DRIVER_DESC "");
+
+       /* Setup driver with options */
+       au1200fb_setup();
+
+       /* Point to the panel selected */
+       panel = &known_lcd_panels[panel_index];
+       win = &windows[window_index];
+
+       printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
+       printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
+
+       /* Kickstart the panel, the framebuffers/windows come soon enough */
+       au1200_setpanel(panel);
+
+       #ifdef CONFIG_PM
+       LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL);
+       if ( LCD_pm_dev == NULL)
+               printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n");
+       else
+               printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n");
+       #endif
+
+       return driver_register(&au1200fb_driver);
+}
+
+static void __exit au1200fb_cleanup(void)
+{
+       driver_unregister(&au1200fb_driver);
+}
+
+module_init(au1200fb_init);
+module_exit(au1200fb_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+/*
+ * BRIEF MODULE DESCRIPTION
+ *     Au1200 LCD Driver.
+ *
+ * Copyright 2004-2005 AMD
+ * Author: AMD
+ *
+ * Based on:
+ * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device
+ *  Created 28 Dec 1997 by Geert Uytterhoeven
+ *
+ *  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  SOFTWARE  IS PROVIDED          ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,          INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED          TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN         CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/mach-au1x00/au1000.h>
+#include "au1200fb.h"
+
+#ifdef CONFIG_PM
+#include <asm/mach-au1x00/au1xxx_pm.h>
+#endif
+
+#ifndef CONFIG_FB_AU1200_DEVS
+#define CONFIG_FB_AU1200_DEVS 4
+#endif
+
+#define DRIVER_NAME "au1200fb"
+#define DRIVER_DESC "LCD controller driver for AU1200 processors"
+
+#define DEBUG 1
+
+#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
+#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
+#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
+
+#if DEBUG
+#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg)
+#else
+#define print_dbg(f, arg...) do {} while (0)
+#endif
+
+
+#define AU1200_LCD_FB_IOCTL 0x46FF
+
+#define AU1200_LCD_SET_SCREEN 1
+#define AU1200_LCD_GET_SCREEN 2
+#define AU1200_LCD_SET_WINDOW 3
+#define AU1200_LCD_GET_WINDOW 4
+#define AU1200_LCD_SET_PANEL  5
+#define AU1200_LCD_GET_PANEL  6
+
+#define SCREEN_SIZE                (1<< 1)
+#define SCREEN_BACKCOLOR    (1<< 2)
+#define SCREEN_BRIGHTNESS   (1<< 3)
+#define SCREEN_COLORKEY     (1<< 4)
+#define SCREEN_MASK         (1<< 5)
+
+struct au1200_lcd_global_regs_t {
+       unsigned int flags;
+       unsigned int xsize;
+       unsigned int ysize;
+       unsigned int backcolor;
+       unsigned int brightness;
+       unsigned int colorkey;
+       unsigned int mask;
+       unsigned int panel_choice;
+       char panel_desc[80];
+
+};
+
+#define WIN_POSITION            (1<< 0)
+#define WIN_ALPHA_COLOR         (1<< 1)
+#define WIN_ALPHA_MODE          (1<< 2)
+#define WIN_PRIORITY            (1<< 3)
+#define WIN_CHANNEL             (1<< 4)
+#define WIN_BUFFER_FORMAT       (1<< 5)
+#define WIN_COLOR_ORDER         (1<< 6)
+#define WIN_PIXEL_ORDER         (1<< 7)
+#define WIN_SIZE                (1<< 8)
+#define WIN_COLORKEY_MODE       (1<< 9)
+#define WIN_DOUBLE_BUFFER_MODE  (1<< 10)
+#define WIN_RAM_ARRAY_MODE      (1<< 11)
+#define WIN_BUFFER_SCALE        (1<< 12)
+#define WIN_ENABLE                 (1<< 13)
+
+struct au1200_lcd_window_regs_t {
+       unsigned int flags;
+       unsigned int xpos;
+       unsigned int ypos;
+       unsigned int alpha_color;
+       unsigned int alpha_mode;
+       unsigned int priority;
+       unsigned int channel;
+       unsigned int buffer_format;
+       unsigned int color_order;
+       unsigned int pixel_order;
+       unsigned int xsize;
+       unsigned int ysize;
+       unsigned int colorkey_mode;
+       unsigned int double_buffer_mode;
+       unsigned int ram_array_mode;
+       unsigned int xscale;
+       unsigned int yscale;
+       unsigned int enable;
+};
+
+
+struct au1200_lcd_iodata_t {
+       unsigned int subcmd;
+       struct au1200_lcd_global_regs_t global;
+       struct au1200_lcd_window_regs_t window;
+};
+
+#if defined(__BIG_ENDIAN)
+#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
+#else
+#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
+#endif
+#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
+
+/* Private, per-framebuffer management information (independent of the panel itself) */
+struct au1200fb_device {
+       struct fb_info fb_info;                 /* FB driver info record */
+
+       int                                     plane;
+       unsigned char*          fb_mem;         /* FrameBuffer memory map */
+       unsigned int            fb_len;
+       dma_addr_t              fb_phys;
+};
+
+static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS];
+/********************************************************************/
+
+/* LCD controller restrictions */
+#define AU1200_LCD_MAX_XRES    1280
+#define AU1200_LCD_MAX_YRES    1024
+#define AU1200_LCD_MAX_BPP     32
+#define AU1200_LCD_MAX_CLK     96000000 /* fixme: this needs to go away ? */
+#define AU1200_LCD_NBR_PALETTE_ENTRIES 256
+
+/* Default number of visible screen buffer to allocate */
+#define AU1200FB_NBR_VIDEO_BUFFERS 1
+
+/********************************************************************/
+
+static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR;
+static int window_index = 2; /* default is zero */
+static int panel_index = 2; /* default is zero */
+static struct window_settings *win;
+static struct panel_settings *panel;
+static int noblanking = 1;
+static int nohwcursor = 0;
+
+struct window_settings {
+       unsigned char name[64];
+       uint32 mode_backcolor;
+       uint32 mode_colorkey;
+       uint32 mode_colorkeymsk;
+       struct {
+               int xres;
+               int yres;
+               int xpos;
+               int ypos;
+               uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */
+               uint32 mode_winenable;
+       } w[4];
+};
+
+#if defined(__BIG_ENDIAN)
+#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00
+#else
+#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
+#endif
+
+extern int board_au1200fb_panel_init (void);
+extern int board_au1200fb_panel_shutdown (void);
+
+#ifdef CONFIG_PM
+int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
+               au1xxx_request_t request, void *data);
+au1xxx_power_dev_t *LCD_pm_dev;
+#endif
+
+/*
+ * Default window configurations
+ */
+static struct window_settings windows[] = {
+       { /* Index 0 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 100, 100, 100, 100,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN1,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+
+       { /* Index 1 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 320, 240, 5, 5,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP |
+                               LCD_WINCTRL1_PO_00,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565
+                               | LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 100, 100, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 200, 25, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+       { /* Index 2 */
+               "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
+               /* mode_backcolor       */ 0x006600ff,
+               /* mode_colorkey,msk*/ 0, 0,
+               {
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ LCD_WINENABLE_WEN0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP,
+                       /* mode_winenable*/ 0,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP |
+                               LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
+                       },
+                       {
+                       /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
+                       /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
+                               LCD_WINCTRL1_PO_16BPP |
+                               LCD_WINCTRL1_PIPE,
+                       /* mode_winenable*/ 0,
+                       },
+               },
+       },
+       /* Need VGA 640 @ 24bpp, @ 32bpp */
+       /* Need VGA 800 @ 24bpp, @ 32bpp */
+       /* Need VGA 1024 @ 24bpp, @ 32bpp */
+};
+
+/*
+ * Controller configurations for various panels.
+ */
+
+struct panel_settings
+{
+       const char name[25];            /* Full name <vendor>_<model> */
+
+       struct  fb_monspecs monspecs;   /* FB monitor specs */
+
+       /* panel timings */
+       uint32 mode_screen;
+       uint32 mode_horztiming;
+       uint32 mode_verttiming;
+       uint32 mode_clkcontrol;
+       uint32 mode_pwmdiv;
+       uint32 mode_pwmhi;
+       uint32 mode_outmask;
+       uint32 mode_fifoctrl;
+       uint32 mode_toyclksrc;
+       uint32 mode_backlight;
+       uint32 mode_auxpll;
+       int (*device_init)(void);
+       int (*device_shutdown)(void);
+#define Xres min_xres
+#define Yres min_yres
+       u32     min_xres;               /* Minimum horizontal resolution */
+       u32     max_xres;               /* Maximum horizontal resolution */
+       u32     min_yres;               /* Minimum vertical resolution */
+       u32     max_yres;               /* Maximum vertical resolution */
+};
+
+/********************************************************************/
+/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */
+
+/* List of panels known to work with the AU1200 LCD controller.
+ * To add a new panel, enter the same specifications as the
+ * Generic_TFT one, and MAKE SURE that it doesn't conflicts
+ * with the controller restrictions. Restrictions are:
+ *
+ * STN color panels: max_bpp <= 12
+ * STN mono panels: max_bpp <= 4
+ * TFT panels: max_bpp <= 16
+ * max_xres <= 800
+ * max_yres <= 600
+ */
+static struct panel_settings known_lcd_panels[] =
+{
+       [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */
+               .name = "QVGA_320x240",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(320) |
+                       LCD_SCREEN_SY_N(240),
+               .mode_horztiming        = 0x00c4623b,
+               .mode_verttiming        = 0x00502814,
+               .mode_clkcontrol        = 0x00020002, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               320, 320,
+               240, 240,
+       },
+
+       [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */
+               .name = "VGA_640x480",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x13f9df80,
+               .mode_horztiming        = 0x003c5859,
+               .mode_verttiming        = 0x00741201,
+               .mode_clkcontrol        = 0x00020001, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               640, 480,
+               640, 480,
+       },
+
+       [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
+               .name = "SVGA_800x600",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x18fa5780,
+               .mode_horztiming        = 0x00dc7e77,
+               .mode_verttiming        = 0x00584805,
+               .mode_clkcontrol        = 0x00020000, /* /2=48Mhz */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               800, 800,
+               600, 600,
+       },
+
+       [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
+               .name = "XVGA_1024x768",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x1ffaff80,
+               .mode_horztiming        = 0x007d0e57,
+               .mode_verttiming        = 0x00740a01,
+               .mode_clkcontrol        = 0x000A0000, /* /1 */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 6, /* 72MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               1024, 1024,
+               768, 768,
+       },
+
+       [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
+               .name = "XVGA_1280x1024",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x27fbff80,
+               .mode_horztiming        = 0x00cdb2c7,
+               .mode_verttiming        = 0x00600002,
+               .mode_clkcontrol        = 0x000A0000, /* /1 */
+               .mode_pwmdiv            = 0x00000000,
+               .mode_pwmhi             = 0x00000000,
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 10, /* 120MHz AUXPLL */
+               .device_init            = NULL,
+               .device_shutdown        = NULL,
+               1280, 1280,
+               1024, 1024,
+       },
+
+       [5] = { /* Samsung 1024x768 TFT */
+               .name = "Samsung_1024x768_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = 0x1ffaff80,
+               .mode_horztiming        = 0x018cc677,
+               .mode_verttiming        = 0x00241217,
+               .mode_clkcontrol        = 0x00000000, /* SCB 0x1 /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f, /* SCB 0x0 */
+               .mode_pwmhi             = 0x03400000, /* SCB 0x0 */
+               .mode_outmask   = 0x00FFFFFF,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               1024, 1024,
+               768, 768,
+       },
+
+       [6] = { /* Toshiba 640x480 TFT */
+               .name = "Toshiba_640x480_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(640) |
+                       LCD_SCREEN_SY_N(480),
+               .mode_horztiming        = LCD_HORZTIMING_HPW_N(96) |
+                       LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
+               .mode_verttiming        = LCD_VERTTIMING_VPW_N(2) |
+                       LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
+               .mode_clkcontrol        = 0x00000000, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               640, 480,
+               640, 480,
+       },
+
+       [7] = { /* Sharp 320x240 TFT */
+               .name = "Sharp_320x240_TFT",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 12500,
+                       .hfmax = 20000,
+                       .vfmin = 38,
+                       .vfmax = 81,
+                       .dclkmin = 4500000,
+                       .dclkmax = 6800000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(320) |
+                       LCD_SCREEN_SY_N(240),
+               .mode_horztiming        = LCD_HORZTIMING_HPW_N(60) |
+                       LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
+               .mode_verttiming        = LCD_VERTTIMING_VPW_N(2) |
+                       LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
+               .mode_clkcontrol        = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               320, 320,
+               240, 240,
+       },
+
+       [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
+               .name = "Toppoly_TD070WGCB2",
+               .monspecs = {
+                       .modedb = NULL,
+                       .modedb_len = 0,
+                       .hfmin = 30000,
+                       .hfmax = 70000,
+                       .vfmin = 60,
+                       .vfmax = 60,
+                       .dclkmin = 6000000,
+                       .dclkmax = 28000000,
+                       .input = FB_DISP_RGB,
+               },
+               .mode_screen            = LCD_SCREEN_SX_N(856) |
+                       LCD_SCREEN_SY_N(480),
+               .mode_horztiming        = LCD_HORZTIMING_HND2_N(43) |
+                       LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
+               .mode_verttiming        = LCD_VERTTIMING_VND2_N(20) |
+                       LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
+               .mode_clkcontrol        = 0x00020001, /* /4=24Mhz */
+               .mode_pwmdiv            = 0x8000063f,
+               .mode_pwmhi             = 0x03400000,
+               .mode_outmask   = 0x00fcfcfc,
+               .mode_fifoctrl  = 0x2f2f2f2f,
+               .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
+               .mode_backlight = 0x00000000,
+               .mode_auxpll            = 8, /* 96MHz AUXPLL */
+               .device_init            = board_au1200fb_panel_init,
+               .device_shutdown        = board_au1200fb_panel_shutdown,
+               856, 856,
+               480, 480,
+       },
+};
+
+#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels))
+
+/********************************************************************/
+
+#ifdef CONFIG_PM
+static int set_brightness(unsigned int brightness)
+{
+       unsigned int hi1, divider;
+
+       /* limit brightness pwm duty to >= 30/1600 */
+       if (brightness < 30) {
+               brightness = 30;
+       }
+       divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+       hi1 = (lcd->pwmhi >> 16) + 1;
+       hi1 = (((brightness & 0xFF) + 1) * divider >> 8);
+       lcd->pwmhi &= 0xFFFF;
+       lcd->pwmhi |= (hi1 << 16);
+
+       return brightness;
+}
+#endif /* CONFIG_PM */
+
+static int winbpp (unsigned int winctrl1)
+{
+       int bits = 0;
+
+       /* how many bits are needed for each pixel format */
+       switch (winctrl1 & LCD_WINCTRL1_FRM) {
+       case LCD_WINCTRL1_FRM_1BPP:
+               bits = 1;
+               break;
+       case LCD_WINCTRL1_FRM_2BPP:
+               bits = 2;
+               break;
+       case LCD_WINCTRL1_FRM_4BPP:
+               bits = 4;
+               break;
+       case LCD_WINCTRL1_FRM_8BPP:
+               bits = 8;
+               break;
+       case LCD_WINCTRL1_FRM_12BPP:
+       case LCD_WINCTRL1_FRM_16BPP655:
+       case LCD_WINCTRL1_FRM_16BPP565:
+       case LCD_WINCTRL1_FRM_16BPP556:
+       case LCD_WINCTRL1_FRM_16BPPI1555:
+       case LCD_WINCTRL1_FRM_16BPPI5551:
+       case LCD_WINCTRL1_FRM_16BPPA1555:
+       case LCD_WINCTRL1_FRM_16BPPA5551:
+               bits = 16;
+               break;
+       case LCD_WINCTRL1_FRM_24BPP:
+       case LCD_WINCTRL1_FRM_32BPP:
+               bits = 32;
+               break;
+       }
+
+       return bits;
+}
+
+static int fbinfo2index (struct fb_info *fb_info)
+{
+       int i;
+
+       for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
+               if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
+                       return i;
+       }
+       printk("au1200fb: ERROR: fbinfo2index failed!\n");
+       return -1;
+}
+
+static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
+       int xpos, int ypos)
+{
+       uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
+       int xsz, ysz;
+
+       /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */
+
+       winctrl0 = lcd->window[plane].winctrl0;
+       winctrl1 = lcd->window[plane].winctrl1;
+       winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
+       winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);
+
+       /* Check for off-screen adjustments */
+       xsz = win->w[plane].xres;
+       ysz = win->w[plane].yres;
+       if ((xpos + win->w[plane].xres) > panel->Xres) {
+               /* Off-screen to the right */
+               xsz = panel->Xres - xpos; /* off by 1 ??? */
+               /*printk("off screen right\n");*/
+       }
+
+       if ((ypos + win->w[plane].yres) > panel->Yres) {
+               /* Off-screen to the bottom */
+               ysz = panel->Yres - ypos; /* off by 1 ??? */
+               /*printk("off screen bottom\n");*/
+       }
+
+       if (xpos < 0) {
+               /* Off-screen to the left */
+               xsz = win->w[plane].xres + xpos;
+               fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8);
+               xpos = 0;
+               /*printk("off screen left\n");*/
+       }
+
+       if (ypos < 0) {
+               /* Off-screen to the top */
+               ysz = win->w[plane].yres + ypos;
+               /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */
+               ypos = 0;
+               /*printk("off screen top\n");*/
+       }
+
+       /* record settings */
+       win->w[plane].xpos = xpos;
+       win->w[plane].ypos = ypos;
+
+       xsz -= 1;
+       ysz -= 1;
+       winctrl0 |= (xpos << 21);
+       winctrl0 |= (ypos << 10);
+       winctrl1 |= (xsz << 11);
+       winctrl1 |= (ysz << 0);
+
+       /* Disable the window while making changes, then restore WINEN */
+       winenable = lcd->winenable & (1 << plane);
+       au_sync();
+       lcd->winenable &= ~(1 << plane);
+       lcd->window[plane].winctrl0 = winctrl0;
+       lcd->window[plane].winctrl1 = winctrl1;
+       lcd->window[plane].winbuf0 =
+       lcd->window[plane].winbuf1 = fbdev->fb_phys;
+       lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
+       lcd->winenable |= winenable;
+       au_sync();
+
+       return 0;
+}
+
+static void au1200_setpanel (struct panel_settings *newpanel)
+{
+       /*
+        * Perform global setup/init of LCD controller
+        */
+       uint32 winenable;
+
+       /* Make sure all windows disabled */
+       winenable = lcd->winenable;
+       lcd->winenable = 0;
+       au_sync();
+       /*
+        * Ensure everything is disabled before reconfiguring
+        */
+       if (lcd->screen & LCD_SCREEN_SEN) {
+               /* Wait for vertical sync period */
+               lcd->intstatus = LCD_INT_SS;
+               while ((lcd->intstatus & LCD_INT_SS) == 0) {
+                       au_sync();
+               }
+
+               lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/
+
+               do {
+                       lcd->intstatus = lcd->intstatus; /*clear interrupts*/
+                       au_sync();
+               /*wait for controller to shut down*/
+               } while ((lcd->intstatus & LCD_INT_SD) == 0);
+
+               /* Call shutdown of current panel (if up) */
+               /* this must occur last, because if an external clock is driving
+                   the controller, the clock cannot be turned off before first
+                       shutting down the controller.
+                */
+               if (panel->device_shutdown != NULL)
+                       panel->device_shutdown();
+       }
+
+       /* Newpanel == NULL indicates a shutdown operation only */
+       if (newpanel == NULL)
+               return;
+
+       panel = newpanel;
+
+       printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);
+
+       /*
+        * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
+        */
+       if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
+       {
+               uint32 sys_clksrc;
+               au_writel(panel->mode_auxpll, SYS_AUXPLL);
+               sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f;
+               sys_clksrc |= panel->mode_toyclksrc;
+               au_writel(sys_clksrc, SYS_CLKSRC);
+       }
+
+       /*
+        * Configure panel timings
+        */
+       lcd->screen = panel->mode_screen;
+       lcd->horztiming = panel->mode_horztiming;
+       lcd->verttiming = panel->mode_verttiming;
+       lcd->clkcontrol = panel->mode_clkcontrol;
+       lcd->pwmdiv = panel->mode_pwmdiv;
+       lcd->pwmhi = panel->mode_pwmhi;
+       lcd->outmask = panel->mode_outmask;
+       lcd->fifoctrl = panel->mode_fifoctrl;
+       au_sync();
+
+       /* fixme: Check window settings to make sure still valid
+        * for new geometry */
+#if 0
+       au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos);
+       au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos);
+       au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos);
+       au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos);
+#endif
+       lcd->winenable = winenable;
+
+       /*
+        * Re-enable screen now that it is configured
+        */
+       lcd->screen |= LCD_SCREEN_SEN;
+       au_sync();
+
+       /* Call init of panel */
+       if (panel->device_init != NULL) panel->device_init();
+
+       /* FIX!!!! not appropriate on panel change!!! Global setup/init */
+       lcd->intenable = 0;
+       lcd->intstatus = ~0;
+       lcd->backcolor = win->mode_backcolor;
+
+       /* Setup Color Key - FIX!!! */
+       lcd->colorkey = win->mode_colorkey;
+       lcd->colorkeymsk = win->mode_colorkeymsk;
+
+       /* Setup HWCursor - FIX!!! Need to support this eventually */
+       lcd->hwc.cursorctrl = 0;
+       lcd->hwc.cursorpos = 0;
+       lcd->hwc.cursorcolor0 = 0;
+       lcd->hwc.cursorcolor1 = 0;
+       lcd->hwc.cursorcolor2 = 0;
+       lcd->hwc.cursorcolor3 = 0;
+
+
+#if 0
+#define D(X) printk("%25s: %08X\n", #X, X)
+       D(lcd->screen);
+       D(lcd->horztiming);
+       D(lcd->verttiming);
+       D(lcd->clkcontrol);
+       D(lcd->pwmdiv);
+       D(lcd->pwmhi);
+       D(lcd->outmask);
+       D(lcd->fifoctrl);
+       D(lcd->window[0].winctrl0);
+       D(lcd->window[0].winctrl1);
+       D(lcd->window[0].winctrl2);
+       D(lcd->window[0].winbuf0);
+       D(lcd->window[0].winbuf1);
+       D(lcd->window[0].winbufctrl);
+       D(lcd->window[1].winctrl0);
+       D(lcd->window[1].winctrl1);
+       D(lcd->window[1].winctrl2);
+       D(lcd->window[1].winbuf0);
+       D(lcd->window[1].winbuf1);
+       D(lcd->window[1].winbufctrl);
+       D(lcd->window[2].winctrl0);
+       D(lcd->window[2].winctrl1);
+       D(lcd->window[2].winctrl2);
+       D(lcd->window[2].winbuf0);
+       D(lcd->window[2].winbuf1);
+       D(lcd->window[2].winbufctrl);
+       D(lcd->window[3].winctrl0);
+       D(lcd->window[3].winctrl1);
+       D(lcd->window[3].winctrl2);
+       D(lcd->window[3].winbuf0);
+       D(lcd->window[3].winbuf1);
+       D(lcd->window[3].winbufctrl);
+       D(lcd->winenable);
+       D(lcd->intenable);
+       D(lcd->intstatus);
+       D(lcd->backcolor);
+       D(lcd->winenable);
+       D(lcd->colorkey);
+    D(lcd->colorkeymsk);
+       D(lcd->hwc.cursorctrl);
+       D(lcd->hwc.cursorpos);
+       D(lcd->hwc.cursorcolor0);
+       D(lcd->hwc.cursorcolor1);
+       D(lcd->hwc.cursorcolor2);
+       D(lcd->hwc.cursorcolor3);
+#endif
+}
+
+static void au1200_setmode(struct au1200fb_device *fbdev)
+{
+       int plane = fbdev->plane;
+       /* Window/plane setup */
+       lcd->window[plane].winctrl1 = ( 0
+               | LCD_WINCTRL1_PRI_N(plane)
+               | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */
+               ) ;
+
+       au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos);
+
+       lcd->window[plane].winctrl2 = ( 0
+               | LCD_WINCTRL2_CKMODE_00
+               | LCD_WINCTRL2_DBM
+               | LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length)
+               | LCD_WINCTRL2_SCX_1
+               | LCD_WINCTRL2_SCY_1
+               ) ;
+       lcd->winenable |= win->w[plane].mode_winenable;
+       au_sync();
+}
+
+
+/* Inline helpers */
+
+/*#define panel_is_dual(panel)  ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
+/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
+
+#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN)
+
+/* Bitfields format supported by the controller. */
+static struct fb_bitfield rgb_bitfields[][4] = {
+       /*     Red,        Green,        Blue,       Transp   */
+       [LCD_WINCTRL1_FRM_16BPP655 >> 25] =
+               { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPP565 >> 25] =
+               { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPP556 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] =
+               { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] =
+               { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
+
+       [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] =
+               { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
+
+       [LCD_WINCTRL1_FRM_24BPP >> 25] =
+               { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } },
+
+       [LCD_WINCTRL1_FRM_32BPP >> 25] =
+               { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } },
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Helpers */
+
+static void au1200fb_update_fbinfo(struct fb_info *fbi)
+{
+       /* FIX!!!! This also needs to take the window pixel format into account!!! */
+
+       /* Update var-dependent FB info */
+       if (panel_is_color(panel)) {
+               if (fbi->var.bits_per_pixel <= 8) {
+                       /* palettized */
+                       fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+                       fbi->fix.line_length = fbi->var.xres_virtual /
+                               (8/fbi->var.bits_per_pixel);
+               } else {
+                       /* non-palettized */
+                       fbi->fix.visual = FB_VISUAL_TRUECOLOR;
+                       fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
+               }
+       } else {
+               /* mono FIX!!! mono 8 and 4 bits */
+               fbi->fix.visual = FB_VISUAL_MONO10;
+               fbi->fix.line_length = fbi->var.xres_virtual / 8;
+       }
+
+       fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
+       print_dbg("line length: %d\n", fbi->fix.line_length);
+       print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 framebuffer driver */
+
+/* fb_check_var
+ * Validate var settings with hardware restrictions and modify it if necessary
+ */
+static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
+       struct fb_info *fbi)
+{
+       struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
+       u32 pixclock;
+       int screen_size, plane;
+
+       plane = fbdev->plane;
+
+       /* Make sure that the mode respect all LCD controller and
+        * panel restrictions. */
+       var->xres = win->w[plane].xres;
+       var->yres = win->w[plane].yres;
+
+       /* No need for virtual resolution support */
+       var->xres_virtual = var->xres;
+       var->yres_virtual = var->yres;
+
+       var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1);
+
+       screen_size = var->xres_virtual * var->yres_virtual;
+       if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8);
+       else screen_size /= (8/var->bits_per_pixel);
+
+       if (fbdev->fb_len < screen_size)
+               return -EINVAL; /* Virtual screen is to big, abort */
+
+       /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */
+       /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel
+        * clock can only be obtain by dividing this value by an even integer.
+        * Fallback to a slower pixel clock if necessary. */
+       pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
+       pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2));
+
+       if (AU1200_LCD_MAX_CLK % pixclock) {
+               int diff = AU1200_LCD_MAX_CLK % pixclock;
+               pixclock -= diff;
+       }
+
+       var->pixclock = KHZ2PICOS(pixclock/1000);
+#if 0
+       if (!panel_is_active(panel)) {
+               int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1;
+
+               if (!panel_is_color(panel)
+                       && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) {
+                       /* STN 8bit mono panel support is up to 6MHz pixclock */
+                       var->pixclock = KHZ2PICOS(6000);
+               } else if (!pcd) {
+                       /* Other STN panel support is up to 12MHz  */
+                       var->pixclock = KHZ2PICOS(12000);
+               }
+       }
+#endif
+       /* Set bitfield accordingly */
+       switch (var->bits_per_pixel) {
+               case 16:
+               {
+                       /* 16bpp True color.
+                        * These must be set to MATCH WINCTRL[FORM] */
+                       int idx;
+                       idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+                       var->red    = rgb_bitfields[idx][0];
+                       var->green  = rgb_bitfields[idx][1];
+                       var->blue   = rgb_bitfields[idx][2];
+                       var->transp = rgb_bitfields[idx][3];
+                       break;
+               }
+
+               case 32:
+               {
+                       /* 32bpp True color.
+                        * These must be set to MATCH WINCTRL[FORM] */
+                       int idx;
+                       idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+                       var->red    = rgb_bitfields[idx][0];
+                       var->green  = rgb_bitfields[idx][1];
+                       var->blue   = rgb_bitfields[idx][2];
+                       var->transp = rgb_bitfields[idx][3];
+                       break;
+               }
+               default:
+                       print_dbg("Unsupported depth %dbpp", var->bits_per_pixel);
+                       return -EINVAL;
+       }
+
+       return 0;
+}
+
+/* fb_set_par
+ * Set hardware with var settings. This will enable the controller with a
+ * specific mode, normally validated with the fb_check_var method
+ */
+static int au1200fb_fb_set_par(struct fb_info *fbi)
+{
+       struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
+
+       au1200fb_update_fbinfo(fbi);
+       au1200_setmode(fbdev);
+
+       return 0;
+}
+
+/* fb_setcolreg
+ * Set color in LCD palette.
+ */
+static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
+       unsigned blue, unsigned transp, struct fb_info *fbi)
+{
+       volatile u32 *palette = lcd->palette;
+       u32 value;
+
+       if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1))
+               return -EINVAL;
+
+       if (fbi->var.grayscale) {
+               /* Convert color to grayscale */
+               red = green = blue =
+                       (19595 * red + 38470 * green + 7471 * blue) >> 16;
+       }
+
+       if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
+               /* Place color in the pseudopalette */
+               if (regno > 16)
+                       return -EINVAL;
+
+               palette = (u32*) fbi->pseudo_palette;
+
+               red   >>= (16 - fbi->var.red.length);
+               green >>= (16 - fbi->var.green.length);
+               blue  >>= (16 - fbi->var.blue.length);
+
+               value = (red   << fbi->var.red.offset)  |
+                       (green << fbi->var.green.offset)|
+                       (blue  << fbi->var.blue.offset);
+               value &= 0xFFFF;
+
+       } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) {
+               /* COLOR TFT PALLETTIZED (use RGB 565) */
+               value = (red & 0xF800)|((green >> 5) &
+                               0x07E0)|((blue >> 11) & 0x001F);
+               value &= 0xFFFF;
+
+       } else if (0 /*panel_is_color(fbdev->panel)*/) {
+               /* COLOR STN MODE */
+               value = 0x1234;
+               value &= 0xFFF;
+       } else {
+               /* MONOCHROME MODE */
+               value = (green >> 12) & 0x000F;
+               value &= 0xF;
+       }
+
+       palette[regno] = value;
+
+       return 0;
+}
+
+/* fb_blank
+ * Blank the screen. Depending on the mode, the screen will be
+ * activated with the backlight color, or desactivated
+ */
+static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
+{
+       /* Short-circuit screen blanking */
+       if (noblanking)
+               return 0;
+
+       switch (blank_mode) {
+
+       case FB_BLANK_UNBLANK:
+       case FB_BLANK_NORMAL:
+               /* printk("turn on panel\n"); */
+               au1200_setpanel(panel);
+               break;
+       case FB_BLANK_VSYNC_SUSPEND:
+       case FB_BLANK_HSYNC_SUSPEND:
+       case FB_BLANK_POWERDOWN:
+               /* printk("turn off panel\n"); */
+               au1200_setpanel(NULL);
+               break;
+       default:
+               break;
+
+       }
+
+       /* FB_BLANK_NORMAL is a soft blank */
+       return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0;
+}
+
+/* fb_mmap
+ * Map video memory in user space. We don't use the generic fb_mmap
+ * method mainly to allow the use of the TLB streaming flag (CCA=6)
+ */
+static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+
+{
+       unsigned int len;
+       unsigned long start=0, off;
+       struct au1200fb_device *fbdev = (struct au1200fb_device *) info;
+
+#ifdef CONFIG_PM
+       au1xxx_pm_access(LCD_pm_dev);
+#endif
+
+       if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
+               return -EINVAL;
+       }
+
+       start = fbdev->fb_phys & PAGE_MASK;
+       len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
+
+       off = vma->vm_pgoff << PAGE_SHIFT;
+
+       if ((vma->vm_end - vma->vm_start + off) > len) {
+               return -EINVAL;
+       }
+
+       off += start;
+       vma->vm_pgoff = off >> PAGE_SHIFT;
+
+       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+       pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
+
+       vma->vm_flags |= VM_IO;
+
+       return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
+                                 vma->vm_end - vma->vm_start,
+                                 vma->vm_page_prot);
+
+       return 0;
+}
+
+static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
+{
+
+       unsigned int hi1, divider;
+
+       /* SCREEN_SIZE: user cannot reset size, must switch panel choice */
+
+       if (pdata->flags & SCREEN_BACKCOLOR)
+               lcd->backcolor = pdata->backcolor;
+
+       if (pdata->flags & SCREEN_BRIGHTNESS) {
+
+               // limit brightness pwm duty to >= 30/1600
+               if (pdata->brightness < 30) {
+                       pdata->brightness = 30;
+               }
+               divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+               hi1 = (lcd->pwmhi >> 16) + 1;
+               hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8);
+               lcd->pwmhi &= 0xFFFF;
+               lcd->pwmhi |= (hi1 << 16);
+       }
+
+       if (pdata->flags & SCREEN_COLORKEY)
+               lcd->colorkey = pdata->colorkey;
+
+       if (pdata->flags & SCREEN_MASK)
+               lcd->colorkeymsk = pdata->mask;
+       au_sync();
+}
+
+static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
+{
+       unsigned int hi1, divider;
+
+       pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1;
+       pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1;
+
+       pdata->backcolor = lcd->backcolor;
+       pdata->colorkey = lcd->colorkey;
+       pdata->mask = lcd->colorkeymsk;
+
+       // brightness
+       hi1 = (lcd->pwmhi >> 16) + 1;
+       divider = (lcd->pwmdiv & 0x3FFFF) + 1;
+       pdata->brightness = ((hi1 << 8) / divider) - 1;
+       au_sync();
+}
+
+static void set_window(unsigned int plane,
+       struct au1200_lcd_window_regs_t *pdata)
+{
+       unsigned int val, bpp;
+
+       /* Window control register 0 */
+       if (pdata->flags & WIN_POSITION) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX |
+                               LCD_WINCTRL0_OY);
+               val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX);
+               val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY);
+               lcd->window[plane].winctrl0 = val;
+       }
+       if (pdata->flags & WIN_ALPHA_COLOR) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A);
+               val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A);
+               lcd->window[plane].winctrl0 = val;
+       }
+       if (pdata->flags & WIN_ALPHA_MODE) {
+               val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN);
+               val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN);
+               lcd->window[plane].winctrl0 = val;
+       }
+
+       /* Window control register 1 */
+       if (pdata->flags & WIN_PRIORITY) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI);
+               val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_CHANNEL) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE);
+               val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_BUFFER_FORMAT) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM);
+               val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_COLOR_ORDER) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO);
+               val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_PIXEL_ORDER) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO);
+               val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO);
+               lcd->window[plane].winctrl1 = val;
+       }
+       if (pdata->flags & WIN_SIZE) {
+               val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX |
+                               LCD_WINCTRL1_SZY);
+               val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX);
+               val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY);
+               lcd->window[plane].winctrl1 = val;
+               /* program buffer line width */
+               bpp = winbpp(val) / 8;
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX);
+               val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       /* Window control register 2 */
+       if (pdata->flags & WIN_COLORKEY_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE);
+               val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE);
+               lcd->window[plane].winctrl2 = val;
+       }
+       if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM);
+               val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM);
+               lcd->window[plane].winctrl2 = val;
+       }
+       if (pdata->flags & WIN_RAM_ARRAY_MODE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM);
+               val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       /* Buffer line width programmed with WIN_SIZE */
+
+       if (pdata->flags & WIN_BUFFER_SCALE) {
+               val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX |
+                               LCD_WINCTRL2_SCY);
+               val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX);
+               val |= ((pdata->ysize) & LCD_WINCTRL2_SCY);
+               lcd->window[plane].winctrl2 = val;
+       }
+
+       if (pdata->flags & WIN_ENABLE) {
+               val = lcd->winenable;
+               val &= ~(1<<plane);
+               val |= (pdata->enable & 1) << plane;
+               lcd->winenable = val;
+       }
+       au_sync();
+}
+
+static void get_window(unsigned int plane,
+       struct au1200_lcd_window_regs_t *pdata)
+{
+       /* Window control register 0 */
+       pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21;
+       pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10;
+       pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2;
+       pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1;
+
+       /* Window control register 1 */
+       pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30;
+       pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29;
+       pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25;
+       pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24;
+       pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22;
+       pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1;
+       pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1;
+
+       /* Window control register 2 */
+       pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24;
+       pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23;
+       pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;
+
+       pdata->enable = (lcd->winenable >> plane) & 1;
+       au_sync();
+}
+
+static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
+                          unsigned long arg)
+{
+       int plane;
+       int val;
+
+#ifdef CONFIG_PM
+       au1xxx_pm_access(LCD_pm_dev);
+#endif
+
+       plane = fbinfo2index(info);
+       print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane);
+
+       if (cmd == AU1200_LCD_FB_IOCTL) {
+               struct au1200_lcd_iodata_t iodata;
+
+               if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata)))
+                       return -EFAULT;
+
+               print_dbg("FB IOCTL called\n");
+
+               switch (iodata.subcmd) {
+               case AU1200_LCD_SET_SCREEN:
+                       print_dbg("AU1200_LCD_SET_SCREEN\n");
+                       set_global(cmd, &iodata.global);
+                       break;
+
+               case AU1200_LCD_GET_SCREEN:
+                       print_dbg("AU1200_LCD_GET_SCREEN\n");
+                       get_global(cmd, &iodata.global);
+                       break;
+
+               case AU1200_LCD_SET_WINDOW:
+                       print_dbg("AU1200_LCD_SET_WINDOW\n");
+                       set_window(plane, &iodata.window);
+                       break;
+
+               case AU1200_LCD_GET_WINDOW:
+                       print_dbg("AU1200_LCD_GET_WINDOW\n");
+                       get_window(plane, &iodata.window);
+                       break;
+
+               case AU1200_LCD_SET_PANEL:
+                       print_dbg("AU1200_LCD_SET_PANEL\n");
+                       if ((iodata.global.panel_choice >= 0) &&
+                                       (iodata.global.panel_choice <
+                                        NUM_PANELS))
+                       {
+                               struct panel_settings *newpanel;
+                               panel_index = iodata.global.panel_choice;
+                               newpanel = &known_lcd_panels[panel_index];
+                               au1200_setpanel(newpanel);
+                       }
+                       break;
+
+               case AU1200_LCD_GET_PANEL:
+                       print_dbg("AU1200_LCD_GET_PANEL\n");
+                       iodata.global.panel_choice = panel_index;
+                       break;
+
+               default:
+                       return -EINVAL;
+               }
+
+               val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata));
+               if (val) {
+                       print_dbg("error: could not copy %d bytes\n", val);
+                       return -EFAULT;
+               }
+       }
+
+       return 0;
+}
+
+
+static struct fb_ops au1200fb_fb_ops = {
+       .owner          = THIS_MODULE,
+       .fb_check_var   = au1200fb_fb_check_var,
+       .fb_set_par     = au1200fb_fb_set_par,
+       .fb_setcolreg   = au1200fb_fb_setcolreg,
+       .fb_blank       = au1200fb_fb_blank,
+       .fb_fillrect    = cfb_fillrect,
+       .fb_copyarea    = cfb_copyarea,
+       .fb_imageblit   = cfb_imageblit,
+       .fb_sync        = NULL,
+       .fb_ioctl       = au1200fb_ioctl,
+       .fb_mmap        = au1200fb_fb_mmap,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id, struct pt_regs *regs)
+{
+       /* Nothing to do for now, just clear any pending interrupt */
+       lcd->intstatus = lcd->intstatus;
+       au_sync();
+
+       return IRQ_HANDLED;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 LCD device probe helpers */
+
+static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
+{
+       struct fb_info *fbi = &fbdev->fb_info;
+       int bpp;
+
+       memset(fbi, 0, sizeof(struct fb_info));
+       fbi->fbops = &au1200fb_fb_ops;
+
+       bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);
+
+       /* Copy monitor specs from panel data */
+       /* fixme: we're setting up LCD controller windows, so these dont give a
+       damn as to what the monitor specs are (the panel itself does, but that
+       isnt done here...so maybe need a generic catchall monitor setting??? */
+       memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
+
+       /* We first try the user mode passed in argument. If that failed,
+        * or if no one has been specified, we default to the first mode of the
+        * panel list. Note that after this call, var data will be set */
+       if (!fb_find_mode(&fbi->var,
+                         fbi,
+                         NULL, /* drv_info.opt_mode, */
+                         fbi->monspecs.modedb,
+                         fbi->monspecs.modedb_len,
+                         fbi->monspecs.modedb,
+                         bpp)) {
+
+               print_err("Cannot find valid mode for panel %s", panel->name);
+               return -EFAULT;
+       }
+
+       fbi->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
+       if (!fbi->pseudo_palette) {
+               return -ENOMEM;
+       }
+       memset(fbi->pseudo_palette, 0, sizeof(u32) * 16);
+
+       if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
+               print_err("Fail to allocate colormap (%d entries)",
+                          AU1200_LCD_NBR_PALETTE_ENTRIES);
+               kfree(fbi->pseudo_palette);
+               return -EFAULT;
+       }
+
+       strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
+       fbi->fix.smem_start = fbdev->fb_phys;
+       fbi->fix.smem_len = fbdev->fb_len;
+       fbi->fix.type = FB_TYPE_PACKED_PIXELS;
+       fbi->fix.xpanstep = 0;
+       fbi->fix.ypanstep = 0;
+       fbi->fix.mmio_start = 0;
+       fbi->fix.mmio_len = 0;
+       fbi->fix.accel = FB_ACCEL_NONE;
+
+       fbi->screen_base = (char __iomem *) fbdev->fb_mem;
+
+       au1200fb_update_fbinfo(fbi);
+
+       return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* AU1200 LCD controller device driver */
+
+static int au1200fb_drv_probe(struct device *dev)
+{
+       struct au1200fb_device *fbdev;
+       unsigned long page;
+       int bpp, plane, ret;
+
+       if (!dev)
+               return -EINVAL;
+
+       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
+               bpp = winbpp(win->w[plane].mode_winctrl1);
+               if (win->w[plane].xres == 0)
+                       win->w[plane].xres = panel->Xres;
+               if (win->w[plane].yres == 0)
+                       win->w[plane].yres = panel->Yres;
+
+               fbdev = &_au1200fb_devices[plane];
+               memset(fbdev, 0, sizeof(struct au1200fb_device));
+               fbdev->plane = plane;
+
+               /* Allocate the framebuffer to the maximum screen size */
+               fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
+
+               fbdev->fb_mem = dma_alloc_noncoherent(dev,
+                               PAGE_ALIGN(fbdev->fb_len),
+                               &fbdev->fb_phys, GFP_KERNEL);
+               if (!fbdev->fb_mem) {
+                       print_err("fail to allocate frambuffer (size: %dK))",
+                                 fbdev->fb_len / 1024);
+                       return -ENOMEM;
+               }
+
+               /*
+                * Set page reserved so that mmap will work. This is necessary
+                * since we'll be remapping normal memory.
+                */
+               for (page = (unsigned long)fbdev->fb_phys;
+                    page < PAGE_ALIGN((unsigned long)fbdev->fb_phys +
+                            fbdev->fb_len);
+                    page += PAGE_SIZE) {
+                       SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */
+               }
+               print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
+               print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
+
+               /* Init FB data */
+               if ((ret = au1200fb_init_fbinfo(fbdev)) < 0)
+                       goto failed;
+
+               /* Register new framebuffer */
+               if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) {
+                       print_err("cannot register new framebuffer");
+                       goto failed;
+               }
+
+               au1200fb_fb_set_par(&fbdev->fb_info);
+
+#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
+               if (plane == 0)
+                       if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) {
+                               /* Start display and show logo on boot */
+                               fb_set_cmap(&fbdev->fb_info.cmap,
+                                               &fbdev->fb_info);
+
+                               fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR);
+                       }
+#endif
+       }
+
+       /* Now hook interrupt too */
+       if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
+                         SA_INTERRUPT | SA_SHIRQ, "lcd", (void *)dev)) < 0) {
+               print_err("fail to request interrupt line %d (err: %d)",
+                         AU1200_LCD_INT, ret);
+               goto failed;
+       }
+
+       return 0;
+
+failed:
+       /* NOTE: This only does the current plane/window that failed; others are still active */
+       if (fbdev->fb_mem)
+               dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
+                               fbdev->fb_mem, fbdev->fb_phys);
+       if (fbdev->fb_info.cmap.len != 0)
+               fb_dealloc_cmap(&fbdev->fb_info.cmap);
+       if (fbdev->fb_info.pseudo_palette)
+               kfree(fbdev->fb_info.pseudo_palette);
+       if (plane == 0)
+               free_irq(AU1200_LCD_INT, (void*)dev);
+       return ret;
+}
+
+static int au1200fb_drv_remove(struct device *dev)
+{
+       struct au1200fb_device *fbdev;
+       int plane;
+
+       if (!dev)
+               return -ENODEV;
+
+       /* Turn off the panel */
+       au1200_setpanel(NULL);
+
+       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)
+       {
+               fbdev = &_au1200fb_devices[plane];
+
+               /* Clean up all probe data */
+               unregister_framebuffer(&fbdev->fb_info);
+               if (fbdev->fb_mem)
+                       dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
+                                       fbdev->fb_mem, fbdev->fb_phys);
+               if (fbdev->fb_info.cmap.len != 0)
+                       fb_dealloc_cmap(&fbdev->fb_info.cmap);
+               if (fbdev->fb_info.pseudo_palette)
+                       kfree(fbdev->fb_info.pseudo_palette);
+       }
+
+       free_irq(AU1200_LCD_INT, (void *)dev);
+
+       return 0;
+}
+
+#ifdef CONFIG_PM
+static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level)
+{
+       /* TODO */
+       return 0;
+}
+
+static int au1200fb_drv_resume(struct device *dev, u32 level)
+{
+       /* TODO */
+       return 0;
+}
+#endif /* CONFIG_PM */
+
+static struct device_driver au1200fb_driver = {
+       .name           = "au1200-lcd",
+       .bus            = &platform_bus_type,
+       .probe          = au1200fb_drv_probe,
+       .remove         = au1200fb_drv_remove,
+#ifdef CONFIG_PM
+       .suspend        = au1200fb_drv_suspend,
+       .resume         = au1200fb_drv_resume,
+#endif
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Kernel driver */
+
+static void au1200fb_setup(void)
+{
+       char* options = NULL;
+       char* this_opt;
+       int num_panels = ARRAY_SIZE(known_lcd_panels);
+       int panel_idx = -1;
+
+       fb_get_options(DRIVER_NAME, &options);
+
+       if (options) {
+               while ((this_opt = strsep(&options,",")) != NULL) {
+                       /* Panel option - can be panel name,
+                        * "bs" for board-switch, or number/index */
+                       if (!strncmp(this_opt, "panel:", 6)) {
+                               int i;
+                               long int li;
+                               char *endptr;
+                               this_opt += 6;
+                               /* First check for index, which allows
+                                * to short circuit this mess */
+                               li = simple_strtol(this_opt, &endptr, 0);
+                               if (*endptr == '\0') {
+                                       panel_idx = (int)li;
+                               }
+                               else if (strcmp(this_opt, "bs") == 0) {
+                                       extern int board_au1200fb_panel(void);
+                                       panel_idx = board_au1200fb_panel();
+                               }
+
+                               else
+                               for (i = 0; i < num_panels; i++) {
+                                       if (!strcmp(this_opt, known_lcd_panels[i].name)) {
+                                               panel_idx = i;
+                                               break;
+                                       }
+                               }
+
+                               if ((panel_idx < 0) || (panel_idx >= num_panels)) {
+                                               print_warn("Panel %s not supported!", this_opt);
+                               }
+                               else
+                                       panel_index = panel_idx;
+                       }
+
+                       else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
+                               nohwcursor = 1;
+                       }
+
+                       /* Unsupported option */
+                       else {
+                               print_warn("Unsupported option \"%s\"", this_opt);
+                       }
+               }
+       }
+}
+
+#ifdef CONFIG_PM
+static int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
+               au1xxx_request_t request, void *data) {
+       int retval = -1;
+       unsigned int d = 0;
+       unsigned int brightness = 0;
+
+       if (request == AU1XXX_PM_SLEEP) {
+               board_au1200fb_panel_shutdown();
+       }
+       else if (request == AU1XXX_PM_WAKEUP) {
+               if(dev->prev_state == SLEEP_STATE)
+               {
+                       int plane;
+                       au1200_setpanel(panel);
+                       for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)         {
+                               struct au1200fb_device *fbdev;
+                               fbdev = &_au1200fb_devices[plane];
+                               au1200fb_fb_set_par(&fbdev->fb_info);
+                       }
+               }
+
+               d = *((unsigned int*)data);
+               if(d <=10) brightness = 26;
+               else if(d<=20) brightness = 51;
+               else if(d<=30) brightness = 77;
+               else if(d<=40) brightness = 102;
+               else if(d<=50) brightness = 128;
+               else if(d<=60) brightness = 153;
+               else if(d<=70) brightness = 179;
+               else if(d<=80) brightness = 204;
+               else if(d<=90) brightness = 230;
+               else brightness = 255;
+               set_brightness(brightness);
+       } else if (request == AU1XXX_PM_GETSTATUS) {
+               return dev->cur_state;
+       } else if (request == AU1XXX_PM_ACCESS) {
+               if (dev->cur_state != SLEEP_STATE)
+                       return retval;
+               else {
+                       au1200_setpanel(panel);
+               }
+       } else if (request == AU1XXX_PM_IDLE) {
+       } else if (request == AU1XXX_PM_CLEANUP) {
+       }
+
+       return retval;
+}
+#endif
+
+static int __init au1200fb_init(void)
+{
+       print_info("" DRIVER_DESC "");
+
+       /* Setup driver with options */
+       au1200fb_setup();
+
+       /* Point to the panel selected */
+       panel = &known_lcd_panels[panel_index];
+       win = &windows[window_index];
+
+       printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
+       printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
+
+       /* Kickstart the panel, the framebuffers/windows come soon enough */
+       au1200_setpanel(panel);
+
+       #ifdef CONFIG_PM
+       LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL);
+       if ( LCD_pm_dev == NULL)
+               printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n");
+       else
+               printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n");
+       #endif
+
+       return driver_register(&au1200fb_driver);
+}
+
+static void __exit au1200fb_cleanup(void)
+{
+       driver_unregister(&au1200fb_driver);
+}
+
+module_init(au1200fb_init);
+module_exit(au1200fb_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/au1200fb.h b/drivers/video/au1200fb.h
new file mode 100644 (file)
index 0000000..e267271
--- /dev/null
@@ -0,0 +1,572 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *     Hardware definitions for the Au1200 LCD controller
+ *
+ * Copyright 2004 AMD
+ * Author:     AMD
+ *
+ *  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  SOFTWARE  IS PROVIDED          ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,          INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED          TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN         CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _AU1200LCD_H
+#define _AU1200LCD_H
+
+/********************************************************************/
+#define AU1200_LCD_ADDR                0xB5000000
+
+#define uint8 unsigned char
+#define uint32 unsigned int
+
+struct au1200_lcd {
+       volatile uint32 reserved0;
+       volatile uint32 screen;
+       volatile uint32 backcolor;
+       volatile uint32 horztiming;
+       volatile uint32 verttiming;
+       volatile uint32 clkcontrol;
+       volatile uint32 pwmdiv;
+       volatile uint32 pwmhi;
+       volatile uint32 reserved1;
+       volatile uint32 winenable;
+       volatile uint32 colorkey;
+       volatile uint32 colorkeymsk;
+       struct
+       {
+               volatile uint32 cursorctrl;
+               volatile uint32 cursorpos;
+               volatile uint32 cursorcolor0;
+               volatile uint32 cursorcolor1;
+               volatile uint32 cursorcolor2;
+               uint32  cursorcolor3;
+       } hwc;
+       volatile uint32 intstatus;
+       volatile uint32 intenable;
+       volatile uint32 outmask;
+       volatile uint32 fifoctrl;
+       uint32  reserved2[(0x0100-0x0058)/4];
+       struct
+       {
+               volatile uint32 winctrl0;
+               volatile uint32 winctrl1;
+               volatile uint32 winctrl2;
+               volatile uint32 winbuf0;
+               volatile uint32 winbuf1;
+               volatile uint32 winbufctrl;
+               uint32  winreserved0;
+               uint32  winreserved1;
+       } window[4];
+
+       uint32  reserved3[(0x0400-0x0180)/4];
+
+       volatile uint32 palette[(0x0800-0x0400)/4];
+
+       volatile uint8  cursorpattern[256];
+};
+
+/* lcd_screen */
+#define LCD_SCREEN_SEN         (1<<31)
+#define LCD_SCREEN_SX          (0x07FF<<19)
+#define LCD_SCREEN_SY          (0x07FF<< 8)
+#define LCD_SCREEN_SWP         (1<<7)
+#define LCD_SCREEN_SWD         (1<<6)
+#define LCD_SCREEN_PT          (7<<0)
+#define LCD_SCREEN_PT_TFT      (0<<0)
+#define LCD_SCREEN_SX_N(WIDTH) ((WIDTH-1)<<19)
+#define LCD_SCREEN_SY_N(HEIGHT)        ((HEIGHT-1)<<8)
+#define LCD_SCREEN_PT_CSTN     (1<<0)
+#define LCD_SCREEN_PT_CDSTN    (2<<0)
+#define LCD_SCREEN_PT_M8STN    (3<<0)
+#define LCD_SCREEN_PT_M4STN    (4<<0)
+
+/* lcd_backcolor */
+#define LCD_BACKCOLOR_SBGR             (0xFF<<16)
+#define LCD_BACKCOLOR_SBGG             (0xFF<<8)
+#define LCD_BACKCOLOR_SBGB             (0xFF<<0)
+#define LCD_BACKCOLOR_SBGR_N(N)        ((N)<<16)
+#define LCD_BACKCOLOR_SBGG_N(N)        ((N)<<8)
+#define LCD_BACKCOLOR_SBGB_N(N)        ((N)<<0)
+
+/* lcd_winenable */
+#define LCD_WINENABLE_WEN3             (1<<3)
+#define LCD_WINENABLE_WEN2             (1<<2)
+#define LCD_WINENABLE_WEN1             (1<<1)
+#define LCD_WINENABLE_WEN0             (1<<0)
+
+/* lcd_colorkey */
+#define LCD_COLORKEY_CKR               (0xFF<<16)
+#define LCD_COLORKEY_CKG               (0xFF<<8)
+#define LCD_COLORKEY_CKB               (0xFF<<0)
+#define LCD_COLORKEY_CKR_N(N)  ((N)<<16)
+#define LCD_COLORKEY_CKG_N(N)  ((N)<<8)
+#define LCD_COLORKEY_CKB_N(N)  ((N)<<0)
+
+/* lcd_colorkeymsk */
+#define LCD_COLORKEYMSK_CKMR           (0xFF<<16)
+#define LCD_COLORKEYMSK_CKMG           (0xFF<<8)
+#define LCD_COLORKEYMSK_CKMB           (0xFF<<0)
+#define LCD_COLORKEYMSK_CKMR_N(N)      ((N)<<16)
+#define LCD_COLORKEYMSK_CKMG_N(N)      ((N)<<8)
+#define LCD_COLORKEYMSK_CKMB_N(N)      ((N)<<0)
+
+/* lcd windows control 0 */
+#define LCD_WINCTRL0_OX                (0x07FF<<21)
+#define LCD_WINCTRL0_OY                (0x07FF<<10)
+#define LCD_WINCTRL0_A         (0x00FF<<2)
+#define LCD_WINCTRL0_AEN       (1<<1)
+#define LCD_WINCTRL0_OX_N(N) ((N)<<21)
+#define LCD_WINCTRL0_OY_N(N) ((N)<<10)
+#define LCD_WINCTRL0_A_N(N) ((N)<<2)
+
+/* lcd windows control 1 */
+#define LCD_WINCTRL1_PRI       (3<<30)
+#define LCD_WINCTRL1_PIPE      (1<<29)
+#define LCD_WINCTRL1_FRM       (0xF<<25)
+#define LCD_WINCTRL1_CCO       (1<<24)
+#define LCD_WINCTRL1_PO                (3<<22)
+#define LCD_WINCTRL1_SZX       (0x07FF<<11)
+#define LCD_WINCTRL1_SZY       (0x07FF<<0)
+#define LCD_WINCTRL1_FRM_1BPP  (0<<25)
+#define LCD_WINCTRL1_FRM_2BPP  (1<<25)
+#define LCD_WINCTRL1_FRM_4BPP  (2<<25)
+#define LCD_WINCTRL1_FRM_8BPP  (3<<25)
+#define LCD_WINCTRL1_FRM_12BPP (4<<25)
+#define LCD_WINCTRL1_FRM_16BPP655      (5<<25)
+#define LCD_WINCTRL1_FRM_16BPP565      (6<<25)
+#define LCD_WINCTRL1_FRM_16BPP556      (7<<25)
+#define LCD_WINCTRL1_FRM_16BPPI1555    (8<<25)
+#define LCD_WINCTRL1_FRM_16BPPI5551    (9<<25)
+#define LCD_WINCTRL1_FRM_16BPPA1555    (10<<25)
+#define LCD_WINCTRL1_FRM_16BPPA5551    (11<<25)
+#define LCD_WINCTRL1_FRM_24BPP         (12<<25)
+#define LCD_WINCTRL1_FRM_32BPP         (13<<25)
+#define LCD_WINCTRL1_PRI_N(N)  ((N)<<30)
+#define LCD_WINCTRL1_PO_00             (0<<22)
+#define LCD_WINCTRL1_PO_01             (1<<22)
+#define LCD_WINCTRL1_PO_10             (2<<22)
+#define LCD_WINCTRL1_PO_11             (3<<22)
+#define LCD_WINCTRL1_SZX_N(N)  ((N-1)<<11)
+#define LCD_WINCTRL1_SZY_N(N)  ((N-1)<<0)
+
+/* lcd windows control 2 */
+#define LCD_WINCTRL2_CKMODE            (3<<24)
+#define LCD_WINCTRL2_DBM               (1<<23)
+#define LCD_WINCTRL2_RAM               (3<<21)
+#define LCD_WINCTRL2_BX                        (0x1FFF<<8)
+#define LCD_WINCTRL2_SCX               (0xF<<4)
+#define LCD_WINCTRL2_SCY               (0xF<<0)
+#define LCD_WINCTRL2_CKMODE_00         (0<<24)
+#define LCD_WINCTRL2_CKMODE_01         (1<<24)
+#define LCD_WINCTRL2_CKMODE_10         (2<<24)
+#define LCD_WINCTRL2_CKMODE_11         (3<<24)
+#define LCD_WINCTRL2_RAM_NONE          (0<<21)
+#define LCD_WINCTRL2_RAM_PALETTE       (1<<21)
+#define LCD_WINCTRL2_RAM_GAMMA         (2<<21)
+#define LCD_WINCTRL2_RAM_BUFFER                (3<<21)
+#define LCD_WINCTRL2_BX_N(N)   ((N)<<8)
+#define LCD_WINCTRL2_SCX_1             (0<<4)
+#define LCD_WINCTRL2_SCX_2             (1<<4)
+#define LCD_WINCTRL2_SCX_4             (2<<4)
+#define LCD_WINCTRL2_SCY_1             (0<<0)
+#define LCD_WINCTRL2_SCY_2             (1<<0)
+#define LCD_WINCTRL2_SCY_4             (2<<0)
+
+/* lcd windows buffer control */
+#define LCD_WINBUFCTRL_DB              (1<<1)
+#define LCD_WINBUFCTRL_DBN             (1<<0)
+
+/* lcd_intstatus, lcd_intenable */
+#define LCD_INT_IFO                            (0xF<<14)
+#define LCD_INT_IFU                            (0xF<<10)
+#define LCD_INT_OFO                            (1<<9)
+#define LCD_INT_OFU                            (1<<8)
+#define LCD_INT_WAIT                   (1<<3)
+#define LCD_INT_SD                             (1<<2)
+#define LCD_INT_SA                             (1<<1)
+#define LCD_INT_SS                             (1<<0)
+
+/* lcd_horztiming */
+#define LCD_HORZTIMING_HND2            (0x1FF<<18)
+#define LCD_HORZTIMING_HND1            (0x1FF<<9)
+#define LCD_HORZTIMING_HPW             (0x1FF<<0)
+#define LCD_HORZTIMING_HND2_N(N)(((N)-1)<<18)
+#define LCD_HORZTIMING_HND1_N(N)(((N)-1)<<9)
+#define LCD_HORZTIMING_HPW_N(N)        (((N)-1)<<0)
+
+/* lcd_verttiming */
+#define LCD_VERTTIMING_VND2            (0x1FF<<18)
+#define LCD_VERTTIMING_VND1            (0x1FF<<9)
+#define LCD_VERTTIMING_VPW             (0x1FF<<0)
+#define LCD_VERTTIMING_VND2_N(N)(((N)-1)<<18)
+#define LCD_VERTTIMING_VND1_N(N)(((N)-1)<<9)
+#define LCD_VERTTIMING_VPW_N(N)        (((N)-1)<<0)
+
+/* lcd_clkcontrol */
+#define LCD_CLKCONTROL_EXT             (1<<22)
+#define LCD_CLKCONTROL_DELAY   (3<<20)
+#define LCD_CLKCONTROL_CDD             (1<<19)
+#define LCD_CLKCONTROL_IB              (1<<18)
+#define LCD_CLKCONTROL_IC              (1<<17)
+#define LCD_CLKCONTROL_IH              (1<<16)
+#define LCD_CLKCONTROL_IV              (1<<15)
+#define LCD_CLKCONTROL_BF              (0x1F<<10)
+#define LCD_CLKCONTROL_PCD             (0x3FF<<0)
+#define LCD_CLKCONTROL_BF_N(N) (((N)-1)<<10)
+#define LCD_CLKCONTROL_PCD_N(N)        ((N)<<0)
+
+/* lcd_pwmdiv */
+#define LCD_PWMDIV_EN                  (1<<31)
+#define LCD_PWMDIV_PWMDIV              (0x1FFFF<<0)
+#define LCD_PWMDIV_PWMDIV_N(N) ((N)<<0)
+
+/* lcd_pwmhi */
+#define LCD_PWMHI_PWMHI1               (0xFFFF<<16)
+#define LCD_PWMHI_PWMHI0               (0xFFFF<<0)
+#define LCD_PWMHI_PWMHI1_N(N)  ((N)<<16)
+#define LCD_PWMHI_PWMHI0_N(N)  ((N)<<0)
+
+/* lcd_hwccon */
+#define LCD_HWCCON_EN                  (1<<0)
+
+/* lcd_cursorpos */
+#define LCD_CURSORPOS_HWCXOFF          (0x1F<<27)
+#define LCD_CURSORPOS_HWCXPOS          (0x07FF<<16)
+#define LCD_CURSORPOS_HWCYOFF          (0x1F<<11)
+#define LCD_CURSORPOS_HWCYPOS          (0x07FF<<0)
+#define LCD_CURSORPOS_HWCXOFF_N(N)     ((N)<<27)
+#define LCD_CURSORPOS_HWCXPOS_N(N)     ((N)<<16)
+#define LCD_CURSORPOS_HWCYOFF_N(N)     ((N)<<11)
+#define LCD_CURSORPOS_HWCYPOS_N(N)     ((N)<<0)
+
+/* lcd_cursorcolor */
+#define LCD_CURSORCOLOR_HWCA           (0xFF<<24)
+#define LCD_CURSORCOLOR_HWCR           (0xFF<<16)
+#define LCD_CURSORCOLOR_HWCG           (0xFF<<8)
+#define LCD_CURSORCOLOR_HWCB           (0xFF<<0)
+#define LCD_CURSORCOLOR_HWCA_N(N)      ((N)<<24)
+#define LCD_CURSORCOLOR_HWCR_N(N)      ((N)<<16)
+#define LCD_CURSORCOLOR_HWCG_N(N)      ((N)<<8)
+#define LCD_CURSORCOLOR_HWCB_N(N)      ((N)<<0)
+
+/* lcd_fifoctrl */
+#define LCD_FIFOCTRL_F3IF              (1<<29)
+#define LCD_FIFOCTRL_F3REQ             (0x1F<<24)
+#define LCD_FIFOCTRL_F2IF              (1<<29)
+#define LCD_FIFOCTRL_F2REQ             (0x1F<<16)
+#define LCD_FIFOCTRL_F1IF              (1<<29)
+#define LCD_FIFOCTRL_F1REQ             (0x1F<<8)
+#define LCD_FIFOCTRL_F0IF              (1<<29)
+#define LCD_FIFOCTRL_F0REQ             (0x1F<<0)
+#define LCD_FIFOCTRL_F3REQ_N(N)        ((N-1)<<24)
+#define LCD_FIFOCTRL_F2REQ_N(N)        ((N-1)<<16)
+#define LCD_FIFOCTRL_F1REQ_N(N)        ((N-1)<<8)
+#define LCD_FIFOCTRL_F0REQ_N(N)        ((N-1)<<0)
+
+/* lcd_outmask */
+#define LCD_OUTMASK_MASK               (0x00FFFFFF)
+
+/********************************************************************/
+#endif /* _AU1200LCD_H */
+/*
+ * BRIEF MODULE DESCRIPTION
+ *     Hardware definitions for the Au1200 LCD controller
+ *
+ * Copyright 2004 AMD
+ * Author:     AMD
+ *
+ *  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  SOFTWARE  IS PROVIDED          ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,          INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED          TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN         CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _AU1200LCD_H
+#define _AU1200LCD_H
+
+/********************************************************************/
+#define AU1200_LCD_ADDR                0xB5000000
+
+#define uint8 unsigned char
+#define uint32 unsigned int
+
+struct au1200_lcd {
+       volatile uint32 reserved0;
+       volatile uint32 screen;
+       volatile uint32 backcolor;
+       volatile uint32 horztiming;
+       volatile uint32 verttiming;
+       volatile uint32 clkcontrol;
+       volatile uint32 pwmdiv;
+       volatile uint32 pwmhi;
+       volatile uint32 reserved1;
+       volatile uint32 winenable;
+       volatile uint32 colorkey;
+       volatile uint32 colorkeymsk;
+       struct
+       {
+               volatile uint32 cursorctrl;
+               volatile uint32 cursorpos;
+               volatile uint32 cursorcolor0;
+               volatile uint32 cursorcolor1;
+               volatile uint32 cursorcolor2;
+               uint32  cursorcolor3;
+       } hwc;
+       volatile uint32 intstatus;
+       volatile uint32 intenable;
+       volatile uint32 outmask;
+       volatile uint32 fifoctrl;
+       uint32  reserved2[(0x0100-0x0058)/4];
+       struct
+       {
+               volatile uint32 winctrl0;
+               volatile uint32 winctrl1;
+               volatile uint32 winctrl2;
+               volatile uint32 winbuf0;
+               volatile uint32 winbuf1;
+               volatile uint32 winbufctrl;
+               uint32  winreserved0;
+               uint32  winreserved1;
+       } window[4];
+
+       uint32  reserved3[(0x0400-0x0180)/4];
+
+       volatile uint32 palette[(0x0800-0x0400)/4];
+
+       volatile uint8  cursorpattern[256];
+};
+
+/* lcd_screen */
+#define LCD_SCREEN_SEN         (1<<31)
+#define LCD_SCREEN_SX          (0x07FF<<19)
+#define LCD_SCREEN_SY          (0x07FF<< 8)
+#define LCD_SCREEN_SWP         (1<<7)
+#define LCD_SCREEN_SWD         (1<<6)
+#define LCD_SCREEN_PT          (7<<0)
+#define LCD_SCREEN_PT_TFT      (0<<0)
+#define LCD_SCREEN_SX_N(WIDTH) ((WIDTH-1)<<19)
+#define LCD_SCREEN_SY_N(HEIGHT)        ((HEIGHT-1)<<8)
+#define LCD_SCREEN_PT_CSTN     (1<<0)
+#define LCD_SCREEN_PT_CDSTN    (2<<0)
+#define LCD_SCREEN_PT_M8STN    (3<<0)
+#define LCD_SCREEN_PT_M4STN    (4<<0)
+
+/* lcd_backcolor */
+#define LCD_BACKCOLOR_SBGR             (0xFF<<16)
+#define LCD_BACKCOLOR_SBGG             (0xFF<<8)
+#define LCD_BACKCOLOR_SBGB             (0xFF<<0)
+#define LCD_BACKCOLOR_SBGR_N(N)        ((N)<<16)
+#define LCD_BACKCOLOR_SBGG_N(N)        ((N)<<8)
+#define LCD_BACKCOLOR_SBGB_N(N)        ((N)<<0)
+
+/* lcd_winenable */
+#define LCD_WINENABLE_WEN3             (1<<3)
+#define LCD_WINENABLE_WEN2             (1<<2)
+#define LCD_WINENABLE_WEN1             (1<<1)
+#define LCD_WINENABLE_WEN0             (1<<0)
+
+/* lcd_colorkey */
+#define LCD_COLORKEY_CKR               (0xFF<<16)
+#define LCD_COLORKEY_CKG               (0xFF<<8)
+#define LCD_COLORKEY_CKB               (0xFF<<0)
+#define LCD_COLORKEY_CKR_N(N)  ((N)<<16)
+#define LCD_COLORKEY_CKG_N(N)  ((N)<<8)
+#define LCD_COLORKEY_CKB_N(N)  ((N)<<0)
+
+/* lcd_colorkeymsk */
+#define LCD_COLORKEYMSK_CKMR           (0xFF<<16)
+#define LCD_COLORKEYMSK_CKMG           (0xFF<<8)
+#define LCD_COLORKEYMSK_CKMB           (0xFF<<0)
+#define LCD_COLORKEYMSK_CKMR_N(N)      ((N)<<16)
+#define LCD_COLORKEYMSK_CKMG_N(N)      ((N)<<8)
+#define LCD_COLORKEYMSK_CKMB_N(N)      ((N)<<0)
+
+/* lcd windows control 0 */
+#define LCD_WINCTRL0_OX                (0x07FF<<21)
+#define LCD_WINCTRL0_OY                (0x07FF<<10)
+#define LCD_WINCTRL0_A         (0x00FF<<2)
+#define LCD_WINCTRL0_AEN       (1<<1)
+#define LCD_WINCTRL0_OX_N(N) ((N)<<21)
+#define LCD_WINCTRL0_OY_N(N) ((N)<<10)
+#define LCD_WINCTRL0_A_N(N) ((N)<<2)
+
+/* lcd windows control 1 */
+#define LCD_WINCTRL1_PRI       (3<<30)
+#define LCD_WINCTRL1_PIPE      (1<<29)
+#define LCD_WINCTRL1_FRM       (0xF<<25)
+#define LCD_WINCTRL1_CCO       (1<<24)
+#define LCD_WINCTRL1_PO                (3<<22)
+#define LCD_WINCTRL1_SZX       (0x07FF<<11)
+#define LCD_WINCTRL1_SZY       (0x07FF<<0)
+#define LCD_WINCTRL1_FRM_1BPP  (0<<25)
+#define LCD_WINCTRL1_FRM_2BPP  (1<<25)
+#define LCD_WINCTRL1_FRM_4BPP  (2<<25)
+#define LCD_WINCTRL1_FRM_8BPP  (3<<25)
+#define LCD_WINCTRL1_FRM_12BPP (4<<25)
+#define LCD_WINCTRL1_FRM_16BPP655      (5<<25)
+#define LCD_WINCTRL1_FRM_16BPP565      (6<<25)
+#define LCD_WINCTRL1_FRM_16BPP556      (7<<25)
+#define LCD_WINCTRL1_FRM_16BPPI1555    (8<<25)
+#define LCD_WINCTRL1_FRM_16BPPI5551    (9<<25)
+#define LCD_WINCTRL1_FRM_16BPPA1555    (10<<25)
+#define LCD_WINCTRL1_FRM_16BPPA5551    (11<<25)
+#define LCD_WINCTRL1_FRM_24BPP         (12<<25)
+#define LCD_WINCTRL1_FRM_32BPP         (13<<25)
+#define LCD_WINCTRL1_PRI_N(N)  ((N)<<30)
+#define LCD_WINCTRL1_PO_00             (0<<22)
+#define LCD_WINCTRL1_PO_01             (1<<22)
+#define LCD_WINCTRL1_PO_10             (2<<22)
+#define LCD_WINCTRL1_PO_11             (3<<22)
+#define LCD_WINCTRL1_SZX_N(N)  ((N-1)<<11)
+#define LCD_WINCTRL1_SZY_N(N)  ((N-1)<<0)
+
+/* lcd windows control 2 */
+#define LCD_WINCTRL2_CKMODE            (3<<24)
+#define LCD_WINCTRL2_DBM               (1<<23)
+#define LCD_WINCTRL2_RAM               (3<<21)
+#define LCD_WINCTRL2_BX                        (0x1FFF<<8)
+#define LCD_WINCTRL2_SCX               (0xF<<4)
+#define LCD_WINCTRL2_SCY               (0xF<<0)
+#define LCD_WINCTRL2_CKMODE_00         (0<<24)
+#define LCD_WINCTRL2_CKMODE_01         (1<<24)
+#define LCD_WINCTRL2_CKMODE_10         (2<<24)
+#define LCD_WINCTRL2_CKMODE_11         (3<<24)
+#define LCD_WINCTRL2_RAM_NONE          (0<<21)
+#define LCD_WINCTRL2_RAM_PALETTE       (1<<21)
+#define LCD_WINCTRL2_RAM_GAMMA         (2<<21)
+#define LCD_WINCTRL2_RAM_BUFFER                (3<<21)
+#define LCD_WINCTRL2_BX_N(N)   ((N)<<8)
+#define LCD_WINCTRL2_SCX_1             (0<<4)
+#define LCD_WINCTRL2_SCX_2             (1<<4)
+#define LCD_WINCTRL2_SCX_4             (2<<4)
+#define LCD_WINCTRL2_SCY_1             (0<<0)
+#define LCD_WINCTRL2_SCY_2             (1<<0)
+#define LCD_WINCTRL2_SCY_4             (2<<0)
+
+/* lcd windows buffer control */
+#define LCD_WINBUFCTRL_DB              (1<<1)
+#define LCD_WINBUFCTRL_DBN             (1<<0)
+
+/* lcd_intstatus, lcd_intenable */
+#define LCD_INT_IFO                            (0xF<<14)
+#define LCD_INT_IFU                            (0xF<<10)
+#define LCD_INT_OFO                            (1<<9)
+#define LCD_INT_OFU                            (1<<8)
+#define LCD_INT_WAIT                   (1<<3)
+#define LCD_INT_SD                             (1<<2)
+#define LCD_INT_SA                             (1<<1)
+#define LCD_INT_SS                             (1<<0)
+
+/* lcd_horztiming */
+#define LCD_HORZTIMING_HND2            (0x1FF<<18)
+#define LCD_HORZTIMING_HND1            (0x1FF<<9)
+#define LCD_HORZTIMING_HPW             (0x1FF<<0)
+#define LCD_HORZTIMING_HND2_N(N)(((N)-1)<<18)
+#define LCD_HORZTIMING_HND1_N(N)(((N)-1)<<9)
+#define LCD_HORZTIMING_HPW_N(N)        (((N)-1)<<0)
+
+/* lcd_verttiming */
+#define LCD_VERTTIMING_VND2            (0x1FF<<18)
+#define LCD_VERTTIMING_VND1            (0x1FF<<9)
+#define LCD_VERTTIMING_VPW             (0x1FF<<0)
+#define LCD_VERTTIMING_VND2_N(N)(((N)-1)<<18)
+#define LCD_VERTTIMING_VND1_N(N)(((N)-1)<<9)
+#define LCD_VERTTIMING_VPW_N(N)        (((N)-1)<<0)
+
+/* lcd_clkcontrol */
+#define LCD_CLKCONTROL_EXT             (1<<22)
+#define LCD_CLKCONTROL_DELAY   (3<<20)
+#define LCD_CLKCONTROL_CDD             (1<<19)
+#define LCD_CLKCONTROL_IB              (1<<18)
+#define LCD_CLKCONTROL_IC              (1<<17)
+#define LCD_CLKCONTROL_IH              (1<<16)
+#define LCD_CLKCONTROL_IV              (1<<15)
+#define LCD_CLKCONTROL_BF              (0x1F<<10)
+#define LCD_CLKCONTROL_PCD             (0x3FF<<0)
+#define LCD_CLKCONTROL_BF_N(N) (((N)-1)<<10)
+#define LCD_CLKCONTROL_PCD_N(N)        ((N)<<0)
+
+/* lcd_pwmdiv */
+#define LCD_PWMDIV_EN                  (1<<31)
+#define LCD_PWMDIV_PWMDIV              (0x1FFFF<<0)
+#define LCD_PWMDIV_PWMDIV_N(N) ((N)<<0)
+
+/* lcd_pwmhi */
+#define LCD_PWMHI_PWMHI1               (0xFFFF<<16)
+#define LCD_PWMHI_PWMHI0               (0xFFFF<<0)
+#define LCD_PWMHI_PWMHI1_N(N)  ((N)<<16)
+#define LCD_PWMHI_PWMHI0_N(N)  ((N)<<0)
+
+/* lcd_hwccon */
+#define LCD_HWCCON_EN                  (1<<0)
+
+/* lcd_cursorpos */
+#define LCD_CURSORPOS_HWCXOFF          (0x1F<<27)
+#define LCD_CURSORPOS_HWCXPOS          (0x07FF<<16)
+#define LCD_CURSORPOS_HWCYOFF          (0x1F<<11)
+#define LCD_CURSORPOS_HWCYPOS          (0x07FF<<0)
+#define LCD_CURSORPOS_HWCXOFF_N(N)     ((N)<<27)
+#define LCD_CURSORPOS_HWCXPOS_N(N)     ((N)<<16)
+#define LCD_CURSORPOS_HWCYOFF_N(N)     ((N)<<11)
+#define LCD_CURSORPOS_HWCYPOS_N(N)     ((N)<<0)
+
+/* lcd_cursorcolor */
+#define LCD_CURSORCOLOR_HWCA           (0xFF<<24)
+#define LCD_CURSORCOLOR_HWCR           (0xFF<<16)
+#define LCD_CURSORCOLOR_HWCG           (0xFF<<8)
+#define LCD_CURSORCOLOR_HWCB           (0xFF<<0)
+#define LCD_CURSORCOLOR_HWCA_N(N)      ((N)<<24)
+#define LCD_CURSORCOLOR_HWCR_N(N)      ((N)<<16)
+#define LCD_CURSORCOLOR_HWCG_N(N)      ((N)<<8)
+#define LCD_CURSORCOLOR_HWCB_N(N)      ((N)<<0)
+
+/* lcd_fifoctrl */
+#define LCD_FIFOCTRL_F3IF              (1<<29)
+#define LCD_FIFOCTRL_F3REQ             (0x1F<<24)
+#define LCD_FIFOCTRL_F2IF              (1<<29)
+#define LCD_FIFOCTRL_F2REQ             (0x1F<<16)
+#define LCD_FIFOCTRL_F1IF              (1<<29)
+#define LCD_FIFOCTRL_F1REQ             (0x1F<<8)
+#define LCD_FIFOCTRL_F0IF              (1<<29)
+#define LCD_FIFOCTRL_F0REQ             (0x1F<<0)
+#define LCD_FIFOCTRL_F3REQ_N(N)        ((N-1)<<24)
+#define LCD_FIFOCTRL_F2REQ_N(N)        ((N-1)<<16)
+#define LCD_FIFOCTRL_F1REQ_N(N)        ((N-1)<<8)
+#define LCD_FIFOCTRL_F0REQ_N(N)        ((N-1)<<0)
+
+/* lcd_outmask */
+#define LCD_OUTMASK_MASK               (0x00FFFFFF)
+
+/********************************************************************/
+#endif /* _AU1200LCD_H */