ARM: S3C: Prepare s3c64xx-specific s3c-fb register definition for reuse

S5PC1xx Samsung SOC series has very similar frame buffer hardware, so a lot
of the code can be shared. Moved s3c64xx-specific s3c-fb register
definitions from mach-s3c6400 to common platform directory as regs-fb-v4.h.
The new v4 file will be common for S3C6400, S3C6410, S5PC100 and possibly
others. Some s3c64xx series specific defines (palette handling) were left
in s3c-6400/mach/regs-fb.h, because it is handled differently in S5PC1xx
series.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 9 insertions, 227 deletions

diff --git a/arch/arm/mach-s3c6400/include/mach/regs-fb.h b/arch/arm/mach-s3c6400/include/mach/regs-fb.h
index 4701979..f566115 100644
--- a/arch/arm/mach-s3c6400/include/mach/regs-fb.h
+++ b/arch/arm/mach-s3c6400/include/mach/regs-fb.h
@@ -1,195 +1,30 @@
-/* arch/arm/mach-s3c6400/include/mach/regs-fb.h
- *
+/*
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
- *      http://armlinux.simtec.co.uk/
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S3C64XX - new-style framebuffer register definitions
+ * Copyright 2009 Samsung Electronics Co.
  *
- * This is the register set for the new style framebuffer interface
- * found from the S3C2443 onwards and specifically the S3C64XX series
- * S3C6400 and S3C6410.
+ * Pawel Osciak <p.osciak@samsung.com>
+ * Based on plat-s3c/include/plat/regs-fb.h by Ben Dooks <ben@simtec.co.uk>
  *
- * The file contains the cpu specific items which change between whichever
- * architecture is selected. See <plat/regs-fb.h> for the core definitions
- * that are the same.
+ * Framebuffer register definitions for Samsung S3C64xx.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
 */
 
-/* include the core definitions here, in case we really do need to
- * override them at a later date.
-*/
-
-#include <plat/regs-fb.h>
-
-#define S3C_FB_MAX_WIN (5)  /* number of hardware windows available. */
-#define VIDCON1_FSTATUS_EVEN	(1 << 15)
-
-/* Video timing controls */
-#define VIDTCON0				(0x10)
-#define VIDTCON1				(0x14)
-#define VIDTCON2				(0x18)
-
-/* Window position controls */
-
-#define WINCON(_win)				(0x20 + ((_win) * 4))
-
-/* OSD1 and OSD4 do not have register D */
-
-#define VIDOSD_A(_win)				(0x40 + ((_win) * 16))
-#define VIDOSD_B(_win)				(0x44 + ((_win) * 16))
-#define VIDOSD_C(_win)				(0x48 + ((_win) * 16))
-#define VIDOSD_D(_win)				(0x4C + ((_win) * 16))
-
-/* Video buffer addresses */
-
-#define VIDW_BUF_START(_buff)			(0xA0 + ((_buff) * 8))
-#define VIDW_BUF_START1(_buff)			(0xA4 + ((_buff) * 8))
-#define VIDW_BUF_END(_buff)			(0xD0 + ((_buff) * 8))
-#define VIDW_BUF_END1(_buff)			(0xD4 + ((_buff) * 8))
-#define VIDW_BUF_SIZE(_buff)			(0x100 + ((_buff) * 4))
-
-#define VIDINTCON0				(0x130)
-
-#define WxKEYCONy(_win, _con)			((0x140 + ((_win) * 8)) + ((_con) * 4))
-
-/* WINCONx */
-
-#define WINCONx_CSCWIDTH_MASK			(0x3 << 26)
-#define WINCONx_CSCWIDTH_SHIFT			(26)
-#define WINCONx_CSCWIDTH_WIDE			(0x0 << 26)
-#define WINCONx_CSCWIDTH_NARROW			(0x3 << 26)
-
-#define WINCONx_ENLOCAL				(1 << 22)
-#define WINCONx_BUFSTATUS			(1 << 21)
-#define WINCONx_BUFSEL				(1 << 20)
-#define WINCONx_BUFAUTOEN			(1 << 19)
-#define WINCONx_YCbCr				(1 << 13)
-
-#define WINCON1_LOCALSEL_CAMIF			(1 << 23)
-
-#define WINCON2_LOCALSEL_CAMIF			(1 << 23)
-#define WINCON2_BLD_PIX				(1 << 6)
-
-#define WINCON2_ALPHA_SEL			(1 << 1)
-#define WINCON2_BPPMODE_MASK			(0xf << 2)
-#define WINCON2_BPPMODE_SHIFT			(2)
-#define WINCON2_BPPMODE_1BPP			(0x0 << 2)
-#define WINCON2_BPPMODE_2BPP			(0x1 << 2)
-#define WINCON2_BPPMODE_4BPP			(0x2 << 2)
-#define WINCON2_BPPMODE_8BPP_1232		(0x4 << 2)
-#define WINCON2_BPPMODE_16BPP_565		(0x5 << 2)
-#define WINCON2_BPPMODE_16BPP_A1555		(0x6 << 2)
-#define WINCON2_BPPMODE_16BPP_I1555		(0x7 << 2)
-#define WINCON2_BPPMODE_18BPP_666		(0x8 << 2)
-#define WINCON2_BPPMODE_18BPP_A1665		(0x9 << 2)
-#define WINCON2_BPPMODE_19BPP_A1666		(0xa << 2)
-#define WINCON2_BPPMODE_24BPP_888		(0xb << 2)
-#define WINCON2_BPPMODE_24BPP_A1887		(0xc << 2)
-#define WINCON2_BPPMODE_25BPP_A1888		(0xd << 2)
-#define WINCON2_BPPMODE_28BPP_A4888		(0xd << 2)
-
-#define WINCON3_BLD_PIX				(1 << 6)
-
-#define WINCON3_ALPHA_SEL			(1 << 1)
-#define WINCON3_BPPMODE_MASK			(0xf << 2)
-#define WINCON3_BPPMODE_SHIFT			(2)
-#define WINCON3_BPPMODE_1BPP			(0x0 << 2)
-#define WINCON3_BPPMODE_2BPP			(0x1 << 2)
-#define WINCON3_BPPMODE_4BPP			(0x2 << 2)
-#define WINCON3_BPPMODE_16BPP_565		(0x5 << 2)
-#define WINCON3_BPPMODE_16BPP_A1555		(0x6 << 2)
-#define WINCON3_BPPMODE_16BPP_I1555		(0x7 << 2)
-#define WINCON3_BPPMODE_18BPP_666		(0x8 << 2)
-#define WINCON3_BPPMODE_18BPP_A1665		(0x9 << 2)
-#define WINCON3_BPPMODE_19BPP_A1666		(0xa << 2)
-#define WINCON3_BPPMODE_24BPP_888		(0xb << 2)
-#define WINCON3_BPPMODE_24BPP_A1887		(0xc << 2)
-#define WINCON3_BPPMODE_25BPP_A1888		(0xd << 2)
-#define WINCON3_BPPMODE_28BPP_A4888		(0xd << 2)
-
-#define VIDINTCON0_FIFIOSEL_WINDOW2		(0x10 << 5)
-#define VIDINTCON0_FIFIOSEL_WINDOW3		(0x20 << 5)
-#define VIDINTCON0_FIFIOSEL_WINDOW4		(0x40 << 5)
-
-#define DITHMODE				(0x170)
-#define WINxMAP(_win)				(0x180 + ((_win) * 4))
-
-
-#define DITHMODE_R_POS_MASK			(0x3 << 5)
-#define DITHMODE_R_POS_SHIFT			(5)
-#define DITHMODE_R_POS_8BIT			(0x0 << 5)
-#define DITHMODE_R_POS_6BIT			(0x1 << 5)
-#define DITHMODE_R_POS_5BIT			(0x2 << 5)
-
-#define DITHMODE_G_POS_MASK			(0x3 << 3)
-#define DITHMODE_G_POS_SHIFT			(3)
-#define DITHMODE_G_POS_8BIT			(0x0 << 3)
-#define DITHMODE_G_POS_6BIT			(0x1 << 3)
-#define DITHMODE_G_POS_5BIT			(0x2 << 3)
-
-#define DITHMODE_B_POS_MASK			(0x3 << 1)
-#define DITHMODE_B_POS_SHIFT			(1)
-#define DITHMODE_B_POS_8BIT			(0x0 << 1)
-#define DITHMODE_B_POS_6BIT			(0x1 << 1)
-#define DITHMODE_B_POS_5BIT			(0x2 << 1)
+#ifndef __ASM_ARCH_MACH_REGS_FB_H
+#define __ASM_ARCH_MACH_REGS_FB_H __FILE__
 
-#define DITHMODE_DITH_EN			(1 << 0)
-
-#define WPALCON					(0x1A0)
-
-#define WPALCON_W4PAL_16BPP_A555		(1 << 8)
-#define WPALCON_W3PAL_16BPP_A555		(1 << 7)
-#define WPALCON_W2PAL_16BPP_A555		(1 << 6)
+#include <plat/regs-fb-v4.h>
 
 /* Palette registers */
-
 #define WIN2_PAL(_entry)			(0x300 + ((_entry) * 2))
 #define WIN3_PAL(_entry)			(0x320 + ((_entry) * 2))
 #define WIN4_PAL(_entry)			(0x340 + ((_entry) * 2))
 #define WIN0_PAL(_entry)			(0x400 + ((_entry) * 4))
 #define WIN1_PAL(_entry)			(0x800 + ((_entry) * 4))
 
-/* system specific implementation code for palette sizes, and other
- * information that changes depending on which architecture is being
- * compiled.
-*/
-
-/* return true if window _win has OSD register D */
-#define s3c_fb_has_osd_d(_win) ((_win) != 4 && (_win) != 0)
-
-static inline unsigned int s3c_fb_win_pal_size(unsigned int win)
-{
-	if (win < 2)
-		return 256;
-	if (win < 4)
-		return 16;
-	if (win == 4)
-		return 4;
-
-	BUG();	/* shouldn't get here */
-}
-
-static inline int s3c_fb_validate_win_bpp(unsigned int win, unsigned int bpp)
-{
-	/* all windows can do 1/2 bpp */
-
-	if ((bpp == 25 || bpp == 19) && win == 0)
-		return 0;	/* win 0 does not have 19 or 25bpp modes */
-
-	if (bpp == 4 && win == 4)
-		return 0;
-
-	if (bpp == 8 && (win >= 3))
-		return 0;	/* win 3/4 cannot do 8bpp in any mode */
-
-	return 1;
-}
-
 static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg)
 {
 	switch (window) {
@@ -203,57 +38,4 @@ static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg)
 	BUG();
 }
 
-static inline int s3c_fb_pal_is16(unsigned int window)
-{
-	return window > 1;
-}
-
-struct s3c_fb_palette {
-	struct fb_bitfield	r;
-	struct fb_bitfield	g;
-	struct fb_bitfield	b;
-	struct fb_bitfield	a;
-};
-
-static inline void s3c_fb_init_palette(unsigned int window,
-				       struct s3c_fb_palette *palette)
-{
-	if (window < 2) {
-		/* Windows 0/1 are 8/8/8 or A/8/8/8 */
-		palette->r.offset = 16;
-		palette->r.length = 8;
-		palette->g.offset = 8;
-		palette->g.length = 8;
-		palette->b.offset = 0;
-		palette->b.length = 8;
-	} else {
-		/* currently we assume RGB 5/6/5 */
-		palette->r.offset = 11;
-		palette->r.length = 5;
-		palette->g.offset = 5;
-		palette->g.length = 6;
-		palette->b.offset = 0;
-		palette->b.length = 5;
-	}
-}
-
-/* Notes on per-window bpp settings
- *
- * Value	Win0	 Win1	  Win2	   Win3	    Win 4
- * 0000		1(P)	 1(P)	  1(P)	   1(P)	    1(P)
- * 0001		2(P)	 2(P)     2(P)	   2(P)	    2(P)
- * 0010		4(P)	 4(P)     4(P)	   4(P)     -none-
- * 0011		8(P)	 8(P)     -none-   -none-   -none-
- * 0100		-none-	 8(A232)  8(A232)  -none-   -none-
- * 0101		16(565)	 16(565)  16(565)  16(565)   16(565)
- * 0110		-none-	 16(A555) 16(A555) 16(A555)  16(A555)
- * 0111		16(I555) 16(I565) 16(I555) 16(I555)  16(I555)
- * 1000		18(666)	 18(666)  18(666)  18(666)   18(666)
- * 1001		-none-	 18(A665) 18(A665) 18(A665)  16(A665)
- * 1010		-none-	 19(A666) 19(A666) 19(A666)  19(A666)
- * 1011		24(888)	 24(888)  24(888)  24(888)   24(888)
- * 1100		-none-	 24(A887) 24(A887) 24(A887)  24(A887)
- * 1101		-none-	 25(A888) 25(A888) 25(A888)  25(A888)
- * 1110		-none-	 -none-	  -none-   -none-    -none-
- * 1111		-none-	 -none-   -none-   -none-    -none-
-*/
+#endif /* __ASM_ARCH_MACH_REGS_FB_H */