arch/arm/plat-s3c/include/plat/regs-fb-v4.h - maze/linux - Git at Google

 /* arch/arm/plat-s3c/include/plat/regs-fb-v4.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
  *
  * This is the register set for the new style framebuffer interface
  * found from the S3C2443 onwards and specifically the S3C64XX series
  * S3C6400 and S3C6410.
  *
  * 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.
  *
  * 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))


 #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)

 #define DITHMODE_DITH_EN			(1 << 0)

 #define WPALCON					(0x1A0)

 /* Palette control */
 /* Note for S5PC100: you can still use those macros on WPALCON (aka WPALCON_L),
  * but make sure that WPALCON_H W2PAL-W4PAL entries are zeroed out */
 #define WPALCON_W4PAL_16BPP_A555		(1 << 8)
 #define WPALCON_W3PAL_16BPP_A555		(1 << 7)
 #define WPALCON_W2PAL_16BPP_A555		(1 << 6)


 /* 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 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-
 */
	/* arch/arm/plat-s3c/include/plat/regs-fb-v4.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
	*
	* This is the register set for the new style framebuffer interface
	* found from the S3C2443 onwards and specifically the S3C64XX series
	* S3C6400 and S3C6410.
	*
	* 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.
	*
	* 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))


	#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)

	#define DITHMODE_DITH_EN (1 << 0)

	#define WPALCON (0x1A0)

	/* Palette control */
	/* Note for S5PC100: you can still use those macros on WPALCON (aka WPALCON_L),
	* but make sure that WPALCON_H W2PAL-W4PAL entries are zeroed out */
	#define WPALCON_W4PAL_16BPP_A555 (1 << 8)
	#define WPALCON_W3PAL_16BPP_A555 (1 << 7)
	#define WPALCON_W2PAL_16BPP_A555 (1 << 6)


	/* 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 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-
	*/