drivers/video/fbdev/au1100fb.h - linux - Git at Google

 /*
  * BRIEF MODULE DESCRIPTION
  *	Hardware definitions for the Au1100 LCD controller
  *
  * Copyright 2002 MontaVista Software
  * Copyright 2002 Alchemy Semiconductor
  * Author:	Alchemy Semiconductor, MontaVista Software
  *
  *  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 _AU1100LCD_H
 #define _AU1100LCD_H

 #include <asm/mach-au1x00/au1000.h>

 #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(__FILE__ ": " f "\n", ## arg)
 #else
 #define print_dbg(f, arg...) do {} while (0)
 #endif

 #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

 /********************************************************************/

 /* LCD controller restrictions */
 #define AU1100_LCD_MAX_XRES	800
 #define AU1100_LCD_MAX_YRES	600
 #define AU1100_LCD_MAX_BPP	16
 #define AU1100_LCD_MAX_CLK	48000000
 #define AU1100_LCD_NBR_PALETTE_ENTRIES 256

 /* Default number of visible screen buffer to allocate */
 #define AU1100FB_NBR_VIDEO_BUFFERS 4

 /********************************************************************/

 struct au1100fb_panel
 {
 	const char name[25];		/* Full name <vendor>_<model> */

 	u32   	control_base;		/* Mode-independent control values */
 	u32	clkcontrol_base;	/* Panel pixclock preferences */

 	u32	horztiming;
 	u32	verttiming;

 	u32	xres;		/* Maximum horizontal resolution */
 	u32 	yres;		/* Maximum vertical resolution */
 	u32 	bpp;		/* Maximum depth supported */
 };

 struct au1100fb_regs
 {
 	u32  lcd_control;
 	u32  lcd_intstatus;
 	u32  lcd_intenable;
 	u32  lcd_horztiming;
 	u32  lcd_verttiming;
 	u32  lcd_clkcontrol;
 	u32  lcd_dmaaddr0;
 	u32  lcd_dmaaddr1;
 	u32  lcd_words;
 	u32  lcd_pwmdiv;
 	u32  lcd_pwmhi;
 	u32  reserved[(0x0400-0x002C)/4];
 	u32  lcd_pallettebase[256];
 };

 struct au1100fb_device {

 	struct fb_info info;			/* FB driver info record */

 	struct au1100fb_panel 	*panel;		/* Panel connected to this device */

 	struct au1100fb_regs* 	regs;		/* Registers memory map */
 	size_t       		regs_len;
 	unsigned int 		regs_phys;

 	unsigned char* 		fb_mem;		/* FrameBuffer memory map */
 	size_t	      		fb_len;
 	dma_addr_t    		fb_phys;
 	int			panel_idx;
 	struct clk		*lcdclk;
 };

 /********************************************************************/

 #define LCD_CONTROL                (AU1100_LCD_BASE + 0x0)
   #define LCD_CONTROL_SBB_BIT      21
   #define LCD_CONTROL_SBB_MASK     (0x3 << LCD_CONTROL_SBB_BIT)
     #define LCD_CONTROL_SBB_1        (0 << LCD_CONTROL_SBB_BIT)
     #define LCD_CONTROL_SBB_2        (1 << LCD_CONTROL_SBB_BIT)
     #define LCD_CONTROL_SBB_3        (2 << LCD_CONTROL_SBB_BIT)
     #define LCD_CONTROL_SBB_4        (3 << LCD_CONTROL_SBB_BIT)
   #define LCD_CONTROL_SBPPF_BIT    18
   #define LCD_CONTROL_SBPPF_MASK   (0x7 << LCD_CONTROL_SBPPF_BIT)
     #define LCD_CONTROL_SBPPF_655    (0 << LCD_CONTROL_SBPPF_BIT)
     #define LCD_CONTROL_SBPPF_565    (1 << LCD_CONTROL_SBPPF_BIT)
     #define LCD_CONTROL_SBPPF_556    (2 << LCD_CONTROL_SBPPF_BIT)
     #define LCD_CONTROL_SBPPF_1555   (3 << LCD_CONTROL_SBPPF_BIT)
     #define LCD_CONTROL_SBPPF_5551   (4 << LCD_CONTROL_SBPPF_BIT)
   #define LCD_CONTROL_WP           (1<<17)
   #define LCD_CONTROL_WD           (1<<16)
   #define LCD_CONTROL_C            (1<<15)
   #define LCD_CONTROL_SM_BIT       13
   #define LCD_CONTROL_SM_MASK      (0x3 << LCD_CONTROL_SM_BIT)
     #define LCD_CONTROL_SM_0         (0 << LCD_CONTROL_SM_BIT)
     #define LCD_CONTROL_SM_90        (1 << LCD_CONTROL_SM_BIT)
     #define LCD_CONTROL_SM_180       (2 << LCD_CONTROL_SM_BIT)
     #define LCD_CONTROL_SM_270       (3 << LCD_CONTROL_SM_BIT)
   #define LCD_CONTROL_DB           (1<<12)
   #define LCD_CONTROL_CCO          (1<<11)
   #define LCD_CONTROL_DP           (1<<10)
   #define LCD_CONTROL_PO_BIT       8
   #define LCD_CONTROL_PO_MASK      (0x3 << LCD_CONTROL_PO_BIT)
     #define LCD_CONTROL_PO_00        (0 << LCD_CONTROL_PO_BIT)
     #define LCD_CONTROL_PO_01        (1 << LCD_CONTROL_PO_BIT)
     #define LCD_CONTROL_PO_10        (2 << LCD_CONTROL_PO_BIT)
     #define LCD_CONTROL_PO_11        (3 << LCD_CONTROL_PO_BIT)
   #define LCD_CONTROL_MPI          (1<<7)
   #define LCD_CONTROL_PT           (1<<6)
   #define LCD_CONTROL_PC           (1<<5)
   #define LCD_CONTROL_BPP_BIT      1
   #define LCD_CONTROL_BPP_MASK     (0x7 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_1        (0 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_2        (1 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_4        (2 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_8        (3 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_12       (4 << LCD_CONTROL_BPP_BIT)
     #define LCD_CONTROL_BPP_16       (5 << LCD_CONTROL_BPP_BIT)
   #define LCD_CONTROL_GO           (1<<0)

 #define LCD_INTSTATUS              (AU1100_LCD_BASE + 0x4)
 #define LCD_INTENABLE              (AU1100_LCD_BASE + 0x8)
   #define LCD_INT_SD               (1<<7)
   #define LCD_INT_OF               (1<<6)
   #define LCD_INT_UF               (1<<5)
   #define LCD_INT_SA               (1<<3)
   #define LCD_INT_SS               (1<<2)
   #define LCD_INT_S1               (1<<1)
   #define LCD_INT_S0               (1<<0)

 #define LCD_HORZTIMING             (AU1100_LCD_BASE + 0xC)
   #define LCD_HORZTIMING_HN2_BIT   24
   #define LCD_HORZTIMING_HN2_MASK  (0xFF << LCD_HORZTIMING_HN2_BIT)
   #define LCD_HORZTIMING_HN2_N(N)  ((((N)-1) << LCD_HORZTIMING_HN2_BIT) & LCD_HORZTIMING_HN2_MASK)
   #define LCD_HORZTIMING_HN1_BIT   16
   #define LCD_HORZTIMING_HN1_MASK  (0xFF << LCD_HORZTIMING_HN1_BIT)
   #define LCD_HORZTIMING_HN1_N(N)  ((((N)-1) << LCD_HORZTIMING_HN1_BIT) & LCD_HORZTIMING_HN1_MASK)
   #define LCD_HORZTIMING_HPW_BIT   10
   #define LCD_HORZTIMING_HPW_MASK  (0x3F << LCD_HORZTIMING_HPW_BIT)
   #define LCD_HORZTIMING_HPW_N(N)  ((((N)-1) << LCD_HORZTIMING_HPW_BIT) & LCD_HORZTIMING_HPW_MASK)
   #define LCD_HORZTIMING_PPL_BIT   0
   #define LCD_HORZTIMING_PPL_MASK  (0x3FF << LCD_HORZTIMING_PPL_BIT)
   #define LCD_HORZTIMING_PPL_N(N)  ((((N)-1) << LCD_HORZTIMING_PPL_BIT) & LCD_HORZTIMING_PPL_MASK)

 #define LCD_VERTTIMING             (AU1100_LCD_BASE + 0x10)
   #define LCD_VERTTIMING_VN2_BIT   24
   #define LCD_VERTTIMING_VN2_MASK  (0xFF << LCD_VERTTIMING_VN2_BIT)
   #define LCD_VERTTIMING_VN2_N(N)  ((((N)-1) << LCD_VERTTIMING_VN2_BIT) & LCD_VERTTIMING_VN2_MASK)
   #define LCD_VERTTIMING_VN1_BIT   16
   #define LCD_VERTTIMING_VN1_MASK  (0xFF << LCD_VERTTIMING_VN1_BIT)
   #define LCD_VERTTIMING_VN1_N(N)  ((((N)-1) << LCD_VERTTIMING_VN1_BIT) & LCD_VERTTIMING_VN1_MASK)
   #define LCD_VERTTIMING_VPW_BIT   10
   #define LCD_VERTTIMING_VPW_MASK  (0x3F << LCD_VERTTIMING_VPW_BIT)
   #define LCD_VERTTIMING_VPW_N(N)  ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK)
   #define LCD_VERTTIMING_LPP_BIT   0
   #define LCD_VERTTIMING_LPP_MASK  (0x3FF << LCD_VERTTIMING_LPP_BIT)
   #define LCD_VERTTIMING_LPP_N(N)  ((((N)-1) << LCD_VERTTIMING_LPP_BIT) & LCD_VERTTIMING_LPP_MASK)

 #define LCD_CLKCONTROL             (AU1100_LCD_BASE + 0x14)
   #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_BIT    10
   #define LCD_CLKCONTROL_BF_MASK   (0x1F << LCD_CLKCONTROL_BF_BIT)
   #define LCD_CLKCONTROL_BF_N(N)   ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)
   #define LCD_CLKCONTROL_PCD_BIT   0
   #define LCD_CLKCONTROL_PCD_MASK  (0x3FF << LCD_CLKCONTROL_PCD_BIT)
   #define LCD_CLKCONTROL_PCD_N(N)  (((N) << LCD_CLKCONTROL_PCD_BIT) & LCD_CLKCONTROL_PCD_MASK)

 #define LCD_DMAADDR0               (AU1100_LCD_BASE + 0x18)
 #define LCD_DMAADDR1               (AU1100_LCD_BASE + 0x1C)
   #define LCD_DMA_SA_BIT           5
   #define LCD_DMA_SA_MASK          (0x7FFFFFF << LCD_DMA_SA_BIT)
   #define LCD_DMA_SA_N(N)          ((N) & LCD_DMA_SA_MASK)

 #define LCD_WORDS                  (AU1100_LCD_BASE + 0x20)
   #define LCD_WRD_WRDS_BIT         0
   #define LCD_WRD_WRDS_MASK        (0xFFFFFFFF << LCD_WRD_WRDS_BIT)
   #define LCD_WRD_WRDS_N(N)        ((((N)-1) << LCD_WRD_WRDS_BIT) & LCD_WRD_WRDS_MASK)

 #define LCD_PWMDIV                 (AU1100_LCD_BASE + 0x24)
   #define LCD_PWMDIV_EN            (1<<12)
   #define LCD_PWMDIV_PWMDIV_BIT    0
   #define LCD_PWMDIV_PWMDIV_MASK   (0xFFF << LCD_PWMDIV_PWMDIV_BIT)
   #define LCD_PWMDIV_PWMDIV_N(N)   ((((N)-1) << LCD_PWMDIV_PWMDIV_BIT) & LCD_PWMDIV_PWMDIV_MASK)

 #define LCD_PWMHI                  (AU1100_LCD_BASE + 0x28)
   #define LCD_PWMHI_PWMHI1_BIT     12
   #define LCD_PWMHI_PWMHI1_MASK    (0xFFF << LCD_PWMHI_PWMHI1_BIT)
   #define LCD_PWMHI_PWMHI1_N(N)    (((N) << LCD_PWMHI_PWMHI1_BIT) & LCD_PWMHI_PWMHI1_MASK)
   #define LCD_PWMHI_PWMHI0_BIT     0
   #define LCD_PWMHI_PWMHI0_MASK    (0xFFF << LCD_PWMHI_PWMHI0_BIT)
   #define LCD_PWMHI_PWMHI0_N(N)    (((N) << LCD_PWMHI_PWMHI0_BIT) & LCD_PWMHI_PWMHI0_MASK)

 #define LCD_PALLETTEBASE                (AU1100_LCD_BASE + 0x400)
   #define LCD_PALLETTE_MONO_MI_BIT      0
   #define LCD_PALLETTE_MONO_MI_MASK     (0xF << LCD_PALLETTE_MONO_MI_BIT)
   #define LCD_PALLETTE_MONO_MI_N(N)     (((N)<< LCD_PALLETTE_MONO_MI_BIT) & LCD_PALLETTE_MONO_MI_MASK)

   #define LCD_PALLETTE_COLOR_RI_BIT     8
   #define LCD_PALLETTE_COLOR_RI_MASK    (0xF << LCD_PALLETTE_COLOR_RI_BIT)
   #define LCD_PALLETTE_COLOR_RI_N(N)    (((N)<< LCD_PALLETTE_COLOR_RI_BIT) & LCD_PALLETTE_COLOR_RI_MASK)
   #define LCD_PALLETTE_COLOR_GI_BIT     4
   #define LCD_PALLETTE_COLOR_GI_MASK    (0xF << LCD_PALLETTE_COLOR_GI_BIT)
   #define LCD_PALLETTE_COLOR_GI_N(N)    (((N)<< LCD_PALLETTE_COLOR_GI_BIT) & LCD_PALLETTE_COLOR_GI_MASK)
   #define LCD_PALLETTE_COLOR_BI_BIT     0
   #define LCD_PALLETTE_COLOR_BI_MASK    (0xF << LCD_PALLETTE_COLOR_BI_BIT)
   #define LCD_PALLETTE_COLOR_BI_N(N)    (((N)<< LCD_PALLETTE_COLOR_BI_BIT) & LCD_PALLETTE_COLOR_BI_MASK)

   #define LCD_PALLETTE_TFT_DC_BIT       0
   #define LCD_PALLETTE_TFT_DC_MASK      (0xFFFF << LCD_PALLETTE_TFT_DC_BIT)
   #define LCD_PALLETTE_TFT_DC_N(N)      (((N)<< LCD_PALLETTE_TFT_DC_BIT) & LCD_PALLETTE_TFT_DC_MASK)

 /********************************************************************/

 /* List of panels known to work with the AU1100 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 au1100fb_panel known_lcd_panels[] =
 {
 	/* 800x600x16bpp CRT */
 	[0] = {
 		.name = "CRT_800x600_16",
 		.xres = 800,
 		.yres = 600,
 		.bpp = 16,
 		.control_base =	0x0004886A |
 			LCD_CONTROL_DEFAULT_PO | LCD_CONTROL_DEFAULT_SBPPF |
 			LCD_CONTROL_BPP_16 | LCD_CONTROL_SBB_4,
 		.clkcontrol_base = 0x00020000,
 		.horztiming = 0x005aff1f,
 		.verttiming = 0x16000e57,
 	},
 	/* just the standard LCD */
 	[1] = {
 		.name = "WWPC LCD",
 		.xres = 240,
 		.yres = 320,
 		.bpp = 16,
 		.control_base = 0x0006806A,
 		.horztiming = 0x0A1010EF,
 		.verttiming = 0x0301013F,
 		.clkcontrol_base = 0x00018001,
 	},
 	/* Sharp 320x240 TFT panel */
 	[2] = {
 		.name = "Sharp_LQ038Q5DR01",
 		.xres = 320,
 		.yres = 240,
 		.bpp = 16,
 		.control_base =
 		( LCD_CONTROL_SBPPF_565
 		| LCD_CONTROL_C
 		| LCD_CONTROL_SM_0
 			| LCD_CONTROL_DEFAULT_PO
 		| LCD_CONTROL_PT
 		| LCD_CONTROL_PC
 		| LCD_CONTROL_BPP_16 ),
 		.horztiming =
 		( LCD_HORZTIMING_HN2_N(8)
 		| LCD_HORZTIMING_HN1_N(60)
 		| LCD_HORZTIMING_HPW_N(12)
 		| LCD_HORZTIMING_PPL_N(320) ),
 		.verttiming =
 		( LCD_VERTTIMING_VN2_N(5)
 		| LCD_VERTTIMING_VN1_N(17)
 		| LCD_VERTTIMING_VPW_N(1)
 		| LCD_VERTTIMING_LPP_N(240) ),
 		.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
 	},

 	/* Hitachi SP14Q005 and possibly others */
 	[3] = {
 		.name = "Hitachi_SP14Qxxx",
 		.xres = 320,
 		.yres = 240,
 		.bpp = 4,
 		.control_base =
 			( LCD_CONTROL_C
 			| LCD_CONTROL_BPP_4 ),
 		.horztiming =
 			( LCD_HORZTIMING_HN2_N(1)
 			| LCD_HORZTIMING_HN1_N(1)
 			| LCD_HORZTIMING_HPW_N(1)
 			| LCD_HORZTIMING_PPL_N(320) ),
 		.verttiming =
 			( LCD_VERTTIMING_VN2_N(1)
 			| LCD_VERTTIMING_VN1_N(1)
 			| LCD_VERTTIMING_VPW_N(1)
 			| LCD_VERTTIMING_LPP_N(240) ),
 		.clkcontrol_base = LCD_CLKCONTROL_PCD_N(4),
 	},

 	/* Generic 640x480 TFT panel */
 	[4] = {
 		.name = "TFT_640x480_16",
 		.xres = 640,
 		.yres = 480,
 		.bpp = 16,
 		.control_base = 0x004806a | LCD_CONTROL_DEFAULT_PO,
 		.horztiming = 0x3434d67f,
 		.verttiming = 0x0e0e39df,
 		.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
 	},

 	 /* Pb1100 LCDB 640x480 PrimeView TFT panel */
 	[5] = {
 		.name = "PrimeView_640x480_16",
 		.xres = 640,
 		.yres = 480,
 		.bpp = 16,
 		.control_base = 0x0004886a | LCD_CONTROL_DEFAULT_PO,
 		.horztiming = 0x0e4bfe7f,
 		.verttiming = 0x210805df,
 		.clkcontrol_base = 0x00038001,
 	},
 };

 /********************************************************************/

 /* Inline helpers */

 #define panel_is_dual(panel)  (panel->control_base & LCD_CONTROL_DP)
 #define panel_is_active(panel)(panel->control_base & LCD_CONTROL_PT)
 #define panel_is_color(panel) (panel->control_base & LCD_CONTROL_PC)
 #define panel_swap_rgb(panel) (panel->control_base & LCD_CONTROL_CCO)

 #endif /* _AU1100LCD_H */
	/*
	* BRIEF MODULE DESCRIPTION
	* Hardware definitions for the Au1100 LCD controller
	*
	* Copyright 2002 MontaVista Software
	* Copyright 2002 Alchemy Semiconductor
	* Author: Alchemy Semiconductor, MontaVista Software
	*
	* 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 _AU1100LCD_H
	#define _AU1100LCD_H

	#include <asm/mach-au1x00/au1000.h>

	#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(__FILE__ ": " f "\n", ## arg)
	#else
	#define print_dbg(f, arg...) do {} while (0)
	#endif

	#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

	/********************************************************************/

	/* LCD controller restrictions */
	#define AU1100_LCD_MAX_XRES 800
	#define AU1100_LCD_MAX_YRES 600
	#define AU1100_LCD_MAX_BPP 16
	#define AU1100_LCD_MAX_CLK 48000000
	#define AU1100_LCD_NBR_PALETTE_ENTRIES 256

	/* Default number of visible screen buffer to allocate */
	#define AU1100FB_NBR_VIDEO_BUFFERS 4

	/********************************************************************/

	struct au1100fb_panel
	{
	const char name[25]; /* Full name <vendor>_<model> */

	u32 control_base; /* Mode-independent control values */
	u32 clkcontrol_base; /* Panel pixclock preferences */

	u32 horztiming;
	u32 verttiming;

	u32 xres; /* Maximum horizontal resolution */
	u32 yres; /* Maximum vertical resolution */
	u32 bpp; /* Maximum depth supported */
	};

	struct au1100fb_regs
	{
	u32 lcd_control;
	u32 lcd_intstatus;
	u32 lcd_intenable;
	u32 lcd_horztiming;
	u32 lcd_verttiming;
	u32 lcd_clkcontrol;
	u32 lcd_dmaaddr0;
	u32 lcd_dmaaddr1;
	u32 lcd_words;
	u32 lcd_pwmdiv;
	u32 lcd_pwmhi;
	u32 reserved[(0x0400-0x002C)/4];
	u32 lcd_pallettebase[256];
	};

	struct au1100fb_device {

	struct fb_info info; /* FB driver info record */

	struct au1100fb_panel panel; / Panel connected to this device */

	struct au1100fb_regs* regs; /* Registers memory map */
	size_t regs_len;
	unsigned int regs_phys;

	unsigned char* fb_mem; /* FrameBuffer memory map */
	size_t fb_len;
	dma_addr_t fb_phys;
	int panel_idx;
	struct clk *lcdclk;
	};

	/********************************************************************/

	#define LCD_CONTROL (AU1100_LCD_BASE + 0x0)
	#define LCD_CONTROL_SBB_BIT 21
	#define LCD_CONTROL_SBB_MASK (0x3 << LCD_CONTROL_SBB_BIT)
	#define LCD_CONTROL_SBB_1 (0 << LCD_CONTROL_SBB_BIT)
	#define LCD_CONTROL_SBB_2 (1 << LCD_CONTROL_SBB_BIT)
	#define LCD_CONTROL_SBB_3 (2 << LCD_CONTROL_SBB_BIT)
	#define LCD_CONTROL_SBB_4 (3 << LCD_CONTROL_SBB_BIT)
	#define LCD_CONTROL_SBPPF_BIT 18
	#define LCD_CONTROL_SBPPF_MASK (0x7 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_SBPPF_655 (0 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_SBPPF_565 (1 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_SBPPF_556 (2 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_SBPPF_1555 (3 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_SBPPF_5551 (4 << LCD_CONTROL_SBPPF_BIT)
	#define LCD_CONTROL_WP (1<<17)
	#define LCD_CONTROL_WD (1<<16)
	#define LCD_CONTROL_C (1<<15)
	#define LCD_CONTROL_SM_BIT 13
	#define LCD_CONTROL_SM_MASK (0x3 << LCD_CONTROL_SM_BIT)
	#define LCD_CONTROL_SM_0 (0 << LCD_CONTROL_SM_BIT)
	#define LCD_CONTROL_SM_90 (1 << LCD_CONTROL_SM_BIT)
	#define LCD_CONTROL_SM_180 (2 << LCD_CONTROL_SM_BIT)
	#define LCD_CONTROL_SM_270 (3 << LCD_CONTROL_SM_BIT)
	#define LCD_CONTROL_DB (1<<12)
	#define LCD_CONTROL_CCO (1<<11)
	#define LCD_CONTROL_DP (1<<10)
	#define LCD_CONTROL_PO_BIT 8
	#define LCD_CONTROL_PO_MASK (0x3 << LCD_CONTROL_PO_BIT)
	#define LCD_CONTROL_PO_00 (0 << LCD_CONTROL_PO_BIT)
	#define LCD_CONTROL_PO_01 (1 << LCD_CONTROL_PO_BIT)
	#define LCD_CONTROL_PO_10 (2 << LCD_CONTROL_PO_BIT)
	#define LCD_CONTROL_PO_11 (3 << LCD_CONTROL_PO_BIT)
	#define LCD_CONTROL_MPI (1<<7)
	#define LCD_CONTROL_PT (1<<6)
	#define LCD_CONTROL_PC (1<<5)
	#define LCD_CONTROL_BPP_BIT 1
	#define LCD_CONTROL_BPP_MASK (0x7 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_1 (0 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_2 (1 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_4 (2 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_8 (3 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_12 (4 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_BPP_16 (5 << LCD_CONTROL_BPP_BIT)
	#define LCD_CONTROL_GO (1<<0)

	#define LCD_INTSTATUS (AU1100_LCD_BASE + 0x4)
	#define LCD_INTENABLE (AU1100_LCD_BASE + 0x8)
	#define LCD_INT_SD (1<<7)
	#define LCD_INT_OF (1<<6)
	#define LCD_INT_UF (1<<5)
	#define LCD_INT_SA (1<<3)
	#define LCD_INT_SS (1<<2)
	#define LCD_INT_S1 (1<<1)
	#define LCD_INT_S0 (1<<0)

	#define LCD_HORZTIMING (AU1100_LCD_BASE + 0xC)
	#define LCD_HORZTIMING_HN2_BIT 24
	#define LCD_HORZTIMING_HN2_MASK (0xFF << LCD_HORZTIMING_HN2_BIT)
	#define LCD_HORZTIMING_HN2_N(N) ((((N)-1) << LCD_HORZTIMING_HN2_BIT) & LCD_HORZTIMING_HN2_MASK)
	#define LCD_HORZTIMING_HN1_BIT 16
	#define LCD_HORZTIMING_HN1_MASK (0xFF << LCD_HORZTIMING_HN1_BIT)
	#define LCD_HORZTIMING_HN1_N(N) ((((N)-1) << LCD_HORZTIMING_HN1_BIT) & LCD_HORZTIMING_HN1_MASK)
	#define LCD_HORZTIMING_HPW_BIT 10
	#define LCD_HORZTIMING_HPW_MASK (0x3F << LCD_HORZTIMING_HPW_BIT)
	#define LCD_HORZTIMING_HPW_N(N) ((((N)-1) << LCD_HORZTIMING_HPW_BIT) & LCD_HORZTIMING_HPW_MASK)
	#define LCD_HORZTIMING_PPL_BIT 0
	#define LCD_HORZTIMING_PPL_MASK (0x3FF << LCD_HORZTIMING_PPL_BIT)
	#define LCD_HORZTIMING_PPL_N(N) ((((N)-1) << LCD_HORZTIMING_PPL_BIT) & LCD_HORZTIMING_PPL_MASK)

	#define LCD_VERTTIMING (AU1100_LCD_BASE + 0x10)
	#define LCD_VERTTIMING_VN2_BIT 24
	#define LCD_VERTTIMING_VN2_MASK (0xFF << LCD_VERTTIMING_VN2_BIT)
	#define LCD_VERTTIMING_VN2_N(N) ((((N)-1) << LCD_VERTTIMING_VN2_BIT) & LCD_VERTTIMING_VN2_MASK)
	#define LCD_VERTTIMING_VN1_BIT 16
	#define LCD_VERTTIMING_VN1_MASK (0xFF << LCD_VERTTIMING_VN1_BIT)
	#define LCD_VERTTIMING_VN1_N(N) ((((N)-1) << LCD_VERTTIMING_VN1_BIT) & LCD_VERTTIMING_VN1_MASK)
	#define LCD_VERTTIMING_VPW_BIT 10
	#define LCD_VERTTIMING_VPW_MASK (0x3F << LCD_VERTTIMING_VPW_BIT)
	#define LCD_VERTTIMING_VPW_N(N) ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK)
	#define LCD_VERTTIMING_LPP_BIT 0
	#define LCD_VERTTIMING_LPP_MASK (0x3FF << LCD_VERTTIMING_LPP_BIT)
	#define LCD_VERTTIMING_LPP_N(N) ((((N)-1) << LCD_VERTTIMING_LPP_BIT) & LCD_VERTTIMING_LPP_MASK)

	#define LCD_CLKCONTROL (AU1100_LCD_BASE + 0x14)
	#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_BIT 10
	#define LCD_CLKCONTROL_BF_MASK (0x1F << LCD_CLKCONTROL_BF_BIT)
	#define LCD_CLKCONTROL_BF_N(N) ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)
	#define LCD_CLKCONTROL_PCD_BIT 0
	#define LCD_CLKCONTROL_PCD_MASK (0x3FF << LCD_CLKCONTROL_PCD_BIT)
	#define LCD_CLKCONTROL_PCD_N(N) (((N) << LCD_CLKCONTROL_PCD_BIT) & LCD_CLKCONTROL_PCD_MASK)

	#define LCD_DMAADDR0 (AU1100_LCD_BASE + 0x18)
	#define LCD_DMAADDR1 (AU1100_LCD_BASE + 0x1C)
	#define LCD_DMA_SA_BIT 5
	#define LCD_DMA_SA_MASK (0x7FFFFFF << LCD_DMA_SA_BIT)
	#define LCD_DMA_SA_N(N) ((N) & LCD_DMA_SA_MASK)

	#define LCD_WORDS (AU1100_LCD_BASE + 0x20)
	#define LCD_WRD_WRDS_BIT 0
	#define LCD_WRD_WRDS_MASK (0xFFFFFFFF << LCD_WRD_WRDS_BIT)
	#define LCD_WRD_WRDS_N(N) ((((N)-1) << LCD_WRD_WRDS_BIT) & LCD_WRD_WRDS_MASK)

	#define LCD_PWMDIV (AU1100_LCD_BASE + 0x24)
	#define LCD_PWMDIV_EN (1<<12)
	#define LCD_PWMDIV_PWMDIV_BIT 0
	#define LCD_PWMDIV_PWMDIV_MASK (0xFFF << LCD_PWMDIV_PWMDIV_BIT)
	#define LCD_PWMDIV_PWMDIV_N(N) ((((N)-1) << LCD_PWMDIV_PWMDIV_BIT) & LCD_PWMDIV_PWMDIV_MASK)

	#define LCD_PWMHI (AU1100_LCD_BASE + 0x28)
	#define LCD_PWMHI_PWMHI1_BIT 12
	#define LCD_PWMHI_PWMHI1_MASK (0xFFF << LCD_PWMHI_PWMHI1_BIT)
	#define LCD_PWMHI_PWMHI1_N(N) (((N) << LCD_PWMHI_PWMHI1_BIT) & LCD_PWMHI_PWMHI1_MASK)
	#define LCD_PWMHI_PWMHI0_BIT 0
	#define LCD_PWMHI_PWMHI0_MASK (0xFFF << LCD_PWMHI_PWMHI0_BIT)
	#define LCD_PWMHI_PWMHI0_N(N) (((N) << LCD_PWMHI_PWMHI0_BIT) & LCD_PWMHI_PWMHI0_MASK)

	#define LCD_PALLETTEBASE (AU1100_LCD_BASE + 0x400)
	#define LCD_PALLETTE_MONO_MI_BIT 0
	#define LCD_PALLETTE_MONO_MI_MASK (0xF << LCD_PALLETTE_MONO_MI_BIT)
	#define LCD_PALLETTE_MONO_MI_N(N) (((N)<< LCD_PALLETTE_MONO_MI_BIT) & LCD_PALLETTE_MONO_MI_MASK)

	#define LCD_PALLETTE_COLOR_RI_BIT 8
	#define LCD_PALLETTE_COLOR_RI_MASK (0xF << LCD_PALLETTE_COLOR_RI_BIT)
	#define LCD_PALLETTE_COLOR_RI_N(N) (((N)<< LCD_PALLETTE_COLOR_RI_BIT) & LCD_PALLETTE_COLOR_RI_MASK)
	#define LCD_PALLETTE_COLOR_GI_BIT 4
	#define LCD_PALLETTE_COLOR_GI_MASK (0xF << LCD_PALLETTE_COLOR_GI_BIT)
	#define LCD_PALLETTE_COLOR_GI_N(N) (((N)<< LCD_PALLETTE_COLOR_GI_BIT) & LCD_PALLETTE_COLOR_GI_MASK)
	#define LCD_PALLETTE_COLOR_BI_BIT 0
	#define LCD_PALLETTE_COLOR_BI_MASK (0xF << LCD_PALLETTE_COLOR_BI_BIT)
	#define LCD_PALLETTE_COLOR_BI_N(N) (((N)<< LCD_PALLETTE_COLOR_BI_BIT) & LCD_PALLETTE_COLOR_BI_MASK)

	#define LCD_PALLETTE_TFT_DC_BIT 0
	#define LCD_PALLETTE_TFT_DC_MASK (0xFFFF << LCD_PALLETTE_TFT_DC_BIT)
	#define LCD_PALLETTE_TFT_DC_N(N) (((N)<< LCD_PALLETTE_TFT_DC_BIT) & LCD_PALLETTE_TFT_DC_MASK)

	/********************************************************************/

	/* List of panels known to work with the AU1100 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 au1100fb_panel known_lcd_panels[] =
	{
	/* 800x600x16bpp CRT */
	[0] = {
	.name = "CRT_800x600_16",
	.xres = 800,
	.yres = 600,
	.bpp = 16,
	.control_base = 0x0004886A \|
	LCD_CONTROL_DEFAULT_PO \| LCD_CONTROL_DEFAULT_SBPPF \|
	LCD_CONTROL_BPP_16 \| LCD_CONTROL_SBB_4,
	.clkcontrol_base = 0x00020000,
	.horztiming = 0x005aff1f,
	.verttiming = 0x16000e57,
	},
	/* just the standard LCD */
	[1] = {
	.name = "WWPC LCD",
	.xres = 240,
	.yres = 320,
	.bpp = 16,
	.control_base = 0x0006806A,
	.horztiming = 0x0A1010EF,
	.verttiming = 0x0301013F,
	.clkcontrol_base = 0x00018001,
	},
	/* Sharp 320x240 TFT panel */
	[2] = {
	.name = "Sharp_LQ038Q5DR01",
	.xres = 320,
	.yres = 240,
	.bpp = 16,
	.control_base =
	( LCD_CONTROL_SBPPF_565
	\| LCD_CONTROL_C
	\| LCD_CONTROL_SM_0
	\| LCD_CONTROL_DEFAULT_PO
	\| LCD_CONTROL_PT
	\| LCD_CONTROL_PC
	\| LCD_CONTROL_BPP_16 ),
	.horztiming =
	( LCD_HORZTIMING_HN2_N(8)
	\| LCD_HORZTIMING_HN1_N(60)
	\| LCD_HORZTIMING_HPW_N(12)
	\| LCD_HORZTIMING_PPL_N(320) ),
	.verttiming =
	( LCD_VERTTIMING_VN2_N(5)
	\| LCD_VERTTIMING_VN1_N(17)
	\| LCD_VERTTIMING_VPW_N(1)
	\| LCD_VERTTIMING_LPP_N(240) ),
	.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
	},

	/* Hitachi SP14Q005 and possibly others */
	[3] = {
	.name = "Hitachi_SP14Qxxx",
	.xres = 320,
	.yres = 240,
	.bpp = 4,
	.control_base =
	( LCD_CONTROL_C
	\| LCD_CONTROL_BPP_4 ),
	.horztiming =
	( LCD_HORZTIMING_HN2_N(1)
	\| LCD_HORZTIMING_HN1_N(1)
	\| LCD_HORZTIMING_HPW_N(1)
	\| LCD_HORZTIMING_PPL_N(320) ),
	.verttiming =
	( LCD_VERTTIMING_VN2_N(1)
	\| LCD_VERTTIMING_VN1_N(1)
	\| LCD_VERTTIMING_VPW_N(1)
	\| LCD_VERTTIMING_LPP_N(240) ),
	.clkcontrol_base = LCD_CLKCONTROL_PCD_N(4),
	},

	/* Generic 640x480 TFT panel */
	[4] = {
	.name = "TFT_640x480_16",
	.xres = 640,
	.yres = 480,
	.bpp = 16,
	.control_base = 0x004806a \| LCD_CONTROL_DEFAULT_PO,
	.horztiming = 0x3434d67f,
	.verttiming = 0x0e0e39df,
	.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
	},

	/* Pb1100 LCDB 640x480 PrimeView TFT panel */
	[5] = {
	.name = "PrimeView_640x480_16",
	.xres = 640,
	.yres = 480,
	.bpp = 16,
	.control_base = 0x0004886a \| LCD_CONTROL_DEFAULT_PO,
	.horztiming = 0x0e4bfe7f,
	.verttiming = 0x210805df,
	.clkcontrol_base = 0x00038001,
	},
	};

	/********************************************************************/

	/* Inline helpers */

	#define panel_is_dual(panel) (panel->control_base & LCD_CONTROL_DP)
	#define panel_is_active(panel)(panel->control_base & LCD_CONTROL_PT)
	#define panel_is_color(panel) (panel->control_base & LCD_CONTROL_PC)
	#define panel_swap_rgb(panel) (panel->control_base & LCD_CONTROL_CCO)

	#endif /* _AU1100LCD_H */