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regs-fb-v4.h

/* arch/arm/plat-samsung/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_BASE                       (0x40)

#define VIDINTCON0                        (0x130)

/* 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)


/* 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-
*/

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