diff options
| -rw-r--r-- | arch/arm/mach-s3c6400/include/mach/regs-fb.h | 236 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/regs-fb-v4.h | 235 |
2 files changed, 244 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 47019795ce06..f56611526c63 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 @@ | |||
| 1 | /* arch/arm/mach-s3c6400/include/mach/regs-fb.h | 1 | /* |
| 2 | * | ||
| 3 | * Copyright 2008 Openmoko, Inc. | 2 | * Copyright 2008 Openmoko, Inc. |
| 4 | * Copyright 2008 Simtec Electronics | 3 | * Copyright 2008 Simtec Electronics |
| 5 | * http://armlinux.simtec.co.uk/ | 4 | * Copyright 2009 Samsung Electronics Co. |
| 6 | * Ben Dooks <ben@simtec.co.uk> | ||
| 7 | * | ||
| 8 | * S3C64XX - new-style framebuffer register definitions | ||
| 9 | * | 5 | * |
| 10 | * This is the register set for the new style framebuffer interface | 6 | * Pawel Osciak <p.osciak@samsung.com> |
| 11 | * found from the S3C2443 onwards and specifically the S3C64XX series | 7 | * Based on plat-s3c/include/plat/regs-fb.h by Ben Dooks <ben@simtec.co.uk> |
| 12 | * S3C6400 and S3C6410. | ||
| 13 | * | 8 | * |
| 14 | * The file contains the cpu specific items which change between whichever | 9 | * Framebuffer register definitions for Samsung S3C64xx. |
| 15 | * architecture is selected. See <plat/regs-fb.h> for the core definitions | ||
| 16 | * that are the same. | ||
| 17 | * | 10 | * |
| 18 | * This program is free software; you can redistribute it and/or modify | 11 | * This program is free software; you can redistribute it and/or modify |
| 19 | * it under the terms of the GNU General Public License version 2 as | 12 | * it under the terms of the GNU General Public License version 2 as |
| 20 | * published by the Free Software Foundation. | 13 | * published by the Free Software Foundation. |
| 21 | */ | 14 | */ |
| 22 | 15 | ||
| 23 | /* include the core definitions here, in case we really do need to | 16 | #ifndef __ASM_ARCH_MACH_REGS_FB_H |
| 24 | * override them at a later date. | 17 | #define __ASM_ARCH_MACH_REGS_FB_H __FILE__ |
| 25 | */ | ||
| 26 | |||
| 27 | #include <plat/regs-fb.h> | ||
| 28 | |||
| 29 | #define S3C_FB_MAX_WIN (5) /* number of hardware windows available. */ | ||
| 30 | #define VIDCON1_FSTATUS_EVEN (1 << 15) | ||
| 31 | |||
| 32 | /* Video timing controls */ | ||
| 33 | #define VIDTCON0 (0x10) | ||
| 34 | #define VIDTCON1 (0x14) | ||
| 35 | #define VIDTCON2 (0x18) | ||
| 36 | |||
| 37 | /* Window position controls */ | ||
| 38 | |||
| 39 | #define WINCON(_win) (0x20 + ((_win) * 4)) | ||
| 40 | |||
| 41 | /* OSD1 and OSD4 do not have register D */ | ||
| 42 | |||
| 43 | #define VIDOSD_A(_win) (0x40 + ((_win) * 16)) | ||
| 44 | #define VIDOSD_B(_win) (0x44 + ((_win) * 16)) | ||
| 45 | #define VIDOSD_C(_win) (0x48 + ((_win) * 16)) | ||
| 46 | #define VIDOSD_D(_win) (0x4C + ((_win) * 16)) | ||
| 47 | |||
| 48 | /* Video buffer addresses */ | ||
| 49 | |||
| 50 | #define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8)) | ||
| 51 | #define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8)) | ||
| 52 | #define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8)) | ||
| 53 | #define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8)) | ||
| 54 | #define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4)) | ||
| 55 | |||
| 56 | #define VIDINTCON0 (0x130) | ||
| 57 | |||
| 58 | #define WxKEYCONy(_win, _con) ((0x140 + ((_win) * 8)) + ((_con) * 4)) | ||
| 59 | |||
| 60 | /* WINCONx */ | ||
| 61 | |||
| 62 | #define WINCONx_CSCWIDTH_MASK (0x3 << 26) | ||
| 63 | #define WINCONx_CSCWIDTH_SHIFT (26) | ||
| 64 | #define WINCONx_CSCWIDTH_WIDE (0x0 << 26) | ||
| 65 | #define WINCONx_CSCWIDTH_NARROW (0x3 << 26) | ||
| 66 | |||
| 67 | #define WINCONx_ENLOCAL (1 << 22) | ||
| 68 | #define WINCONx_BUFSTATUS (1 << 21) | ||
| 69 | #define WINCONx_BUFSEL (1 << 20) | ||
| 70 | #define WINCONx_BUFAUTOEN (1 << 19) | ||
| 71 | #define WINCONx_YCbCr (1 << 13) | ||
| 72 | |||
| 73 | #define WINCON1_LOCALSEL_CAMIF (1 << 23) | ||
| 74 | |||
| 75 | #define WINCON2_LOCALSEL_CAMIF (1 << 23) | ||
| 76 | #define WINCON2_BLD_PIX (1 << 6) | ||
| 77 | |||
| 78 | #define WINCON2_ALPHA_SEL (1 << 1) | ||
| 79 | #define WINCON2_BPPMODE_MASK (0xf << 2) | ||
| 80 | #define WINCON2_BPPMODE_SHIFT (2) | ||
| 81 | #define WINCON2_BPPMODE_1BPP (0x0 << 2) | ||
| 82 | #define WINCON2_BPPMODE_2BPP (0x1 << 2) | ||
| 83 | #define WINCON2_BPPMODE_4BPP (0x2 << 2) | ||
| 84 | #define WINCON2_BPPMODE_8BPP_1232 (0x4 << 2) | ||
| 85 | #define WINCON2_BPPMODE_16BPP_565 (0x5 << 2) | ||
| 86 | #define WINCON2_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
| 87 | #define WINCON2_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
| 88 | #define WINCON2_BPPMODE_18BPP_666 (0x8 << 2) | ||
| 89 | #define WINCON2_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
| 90 | #define WINCON2_BPPMODE_19BPP_A1666 (0xa << 2) | ||
| 91 | #define WINCON2_BPPMODE_24BPP_888 (0xb << 2) | ||
| 92 | #define WINCON2_BPPMODE_24BPP_A1887 (0xc << 2) | ||
| 93 | #define WINCON2_BPPMODE_25BPP_A1888 (0xd << 2) | ||
| 94 | #define WINCON2_BPPMODE_28BPP_A4888 (0xd << 2) | ||
| 95 | |||
| 96 | #define WINCON3_BLD_PIX (1 << 6) | ||
| 97 | |||
| 98 | #define WINCON3_ALPHA_SEL (1 << 1) | ||
| 99 | #define WINCON3_BPPMODE_MASK (0xf << 2) | ||
| 100 | #define WINCON3_BPPMODE_SHIFT (2) | ||
| 101 | #define WINCON3_BPPMODE_1BPP (0x0 << 2) | ||
| 102 | #define WINCON3_BPPMODE_2BPP (0x1 << 2) | ||
| 103 | #define WINCON3_BPPMODE_4BPP (0x2 << 2) | ||
| 104 | #define WINCON3_BPPMODE_16BPP_565 (0x5 << 2) | ||
| 105 | #define WINCON3_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
| 106 | #define WINCON3_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
| 107 | #define WINCON3_BPPMODE_18BPP_666 (0x8 << 2) | ||
| 108 | #define WINCON3_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
| 109 | #define WINCON3_BPPMODE_19BPP_A1666 (0xa << 2) | ||
| 110 | #define WINCON3_BPPMODE_24BPP_888 (0xb << 2) | ||
| 111 | #define WINCON3_BPPMODE_24BPP_A1887 (0xc << 2) | ||
| 112 | #define WINCON3_BPPMODE_25BPP_A1888 (0xd << 2) | ||
| 113 | #define WINCON3_BPPMODE_28BPP_A4888 (0xd << 2) | ||
| 114 | |||
| 115 | #define VIDINTCON0_FIFIOSEL_WINDOW2 (0x10 << 5) | ||
| 116 | #define VIDINTCON0_FIFIOSEL_WINDOW3 (0x20 << 5) | ||
| 117 | #define VIDINTCON0_FIFIOSEL_WINDOW4 (0x40 << 5) | ||
| 118 | |||
| 119 | #define DITHMODE (0x170) | ||
| 120 | #define WINxMAP(_win) (0x180 + ((_win) * 4)) | ||
| 121 | |||
| 122 | |||
| 123 | #define DITHMODE_R_POS_MASK (0x3 << 5) | ||
| 124 | #define DITHMODE_R_POS_SHIFT (5) | ||
| 125 | #define DITHMODE_R_POS_8BIT (0x0 << 5) | ||
| 126 | #define DITHMODE_R_POS_6BIT (0x1 << 5) | ||
| 127 | #define DITHMODE_R_POS_5BIT (0x2 << 5) | ||
| 128 | |||
| 129 | #define DITHMODE_G_POS_MASK (0x3 << 3) | ||
| 130 | #define DITHMODE_G_POS_SHIFT (3) | ||
| 131 | #define DITHMODE_G_POS_8BIT (0x0 << 3) | ||
| 132 | #define DITHMODE_G_POS_6BIT (0x1 << 3) | ||
| 133 | #define DITHMODE_G_POS_5BIT (0x2 << 3) | ||
| 134 | |||
| 135 | #define DITHMODE_B_POS_MASK (0x3 << 1) | ||
| 136 | #define DITHMODE_B_POS_SHIFT (1) | ||
| 137 | #define DITHMODE_B_POS_8BIT (0x0 << 1) | ||
| 138 | #define DITHMODE_B_POS_6BIT (0x1 << 1) | ||
| 139 | #define DITHMODE_B_POS_5BIT (0x2 << 1) | ||
| 140 | 18 | ||
| 141 | #define DITHMODE_DITH_EN (1 << 0) | 19 | #include <plat/regs-fb-v4.h> |
| 142 | |||
| 143 | #define WPALCON (0x1A0) | ||
| 144 | |||
| 145 | #define WPALCON_W4PAL_16BPP_A555 (1 << 8) | ||
| 146 | #define WPALCON_W3PAL_16BPP_A555 (1 << 7) | ||
| 147 | #define WPALCON_W2PAL_16BPP_A555 (1 << 6) | ||
| 148 | 20 | ||
| 149 | /* Palette registers */ | 21 | /* Palette registers */ |
| 150 | |||
| 151 | #define WIN2_PAL(_entry) (0x300 + ((_entry) * 2)) | 22 | #define WIN2_PAL(_entry) (0x300 + ((_entry) * 2)) |
| 152 | #define WIN3_PAL(_entry) (0x320 + ((_entry) * 2)) | 23 | #define WIN3_PAL(_entry) (0x320 + ((_entry) * 2)) |
| 153 | #define WIN4_PAL(_entry) (0x340 + ((_entry) * 2)) | 24 | #define WIN4_PAL(_entry) (0x340 + ((_entry) * 2)) |
| 154 | #define WIN0_PAL(_entry) (0x400 + ((_entry) * 4)) | 25 | #define WIN0_PAL(_entry) (0x400 + ((_entry) * 4)) |
| 155 | #define WIN1_PAL(_entry) (0x800 + ((_entry) * 4)) | 26 | #define WIN1_PAL(_entry) (0x800 + ((_entry) * 4)) |
| 156 | 27 | ||
| 157 | /* system specific implementation code for palette sizes, and other | ||
| 158 | * information that changes depending on which architecture is being | ||
| 159 | * compiled. | ||
| 160 | */ | ||
| 161 | |||
| 162 | /* return true if window _win has OSD register D */ | ||
| 163 | #define s3c_fb_has_osd_d(_win) ((_win) != 4 && (_win) != 0) | ||
| 164 | |||
| 165 | static inline unsigned int s3c_fb_win_pal_size(unsigned int win) | ||
| 166 | { | ||
| 167 | if (win < 2) | ||
| 168 | return 256; | ||
| 169 | if (win < 4) | ||
| 170 | return 16; | ||
| 171 | if (win == 4) | ||
| 172 | return 4; | ||
| 173 | |||
| 174 | BUG(); /* shouldn't get here */ | ||
| 175 | } | ||
| 176 | |||
| 177 | static inline int s3c_fb_validate_win_bpp(unsigned int win, unsigned int bpp) | ||
| 178 | { | ||
| 179 | /* all windows can do 1/2 bpp */ | ||
| 180 | |||
| 181 | if ((bpp == 25 || bpp == 19) && win == 0) | ||
| 182 | return 0; /* win 0 does not have 19 or 25bpp modes */ | ||
| 183 | |||
| 184 | if (bpp == 4 && win == 4) | ||
| 185 | return 0; | ||
| 186 | |||
| 187 | if (bpp == 8 && (win >= 3)) | ||
| 188 | return 0; /* win 3/4 cannot do 8bpp in any mode */ | ||
| 189 | |||
| 190 | return 1; | ||
| 191 | } | ||
| 192 | |||
| 193 | static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg) | 28 | static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg) |
| 194 | { | 29 | { |
| 195 | switch (window) { | 30 | switch (window) { |
| @@ -203,57 +38,4 @@ static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg) | |||
| 203 | BUG(); | 38 | BUG(); |
| 204 | } | 39 | } |
| 205 | 40 | ||
| 206 | static inline int s3c_fb_pal_is16(unsigned int window) | 41 | #endif /* __ASM_ARCH_MACH_REGS_FB_H */ |
| 207 | { | ||
| 208 | return window > 1; | ||
| 209 | } | ||
| 210 | |||
| 211 | struct s3c_fb_palette { | ||
| 212 | struct fb_bitfield r; | ||
| 213 | struct fb_bitfield g; | ||
| 214 | struct fb_bitfield b; | ||
| 215 | struct fb_bitfield a; | ||
| 216 | }; | ||
| 217 | |||
| 218 | static inline void s3c_fb_init_palette(unsigned int window, | ||
| 219 | struct s3c_fb_palette *palette) | ||
| 220 | { | ||
| 221 | if (window < 2) { | ||
| 222 | /* Windows 0/1 are 8/8/8 or A/8/8/8 */ | ||
| 223 | palette->r.offset = 16; | ||
| 224 | palette->r.length = 8; | ||
| 225 | palette->g.offset = 8; | ||
| 226 | palette->g.length = 8; | ||
| 227 | palette->b.offset = 0; | ||
| 228 | palette->b.length = 8; | ||
| 229 | } else { | ||
| 230 | /* currently we assume RGB 5/6/5 */ | ||
| 231 | palette->r.offset = 11; | ||
| 232 | palette->r.length = 5; | ||
| 233 | palette->g.offset = 5; | ||
| 234 | palette->g.length = 6; | ||
| 235 | palette->b.offset = 0; | ||
| 236 | palette->b.length = 5; | ||
| 237 | } | ||
| 238 | } | ||
| 239 | |||
| 240 | /* Notes on per-window bpp settings | ||
| 241 | * | ||
| 242 | * Value Win0 Win1 Win2 Win3 Win 4 | ||
| 243 | * 0000 1(P) 1(P) 1(P) 1(P) 1(P) | ||
| 244 | * 0001 2(P) 2(P) 2(P) 2(P) 2(P) | ||
| 245 | * 0010 4(P) 4(P) 4(P) 4(P) -none- | ||
| 246 | * 0011 8(P) 8(P) -none- -none- -none- | ||
| 247 | * 0100 -none- 8(A232) 8(A232) -none- -none- | ||
| 248 | * 0101 16(565) 16(565) 16(565) 16(565) 16(565) | ||
| 249 | * 0110 -none- 16(A555) 16(A555) 16(A555) 16(A555) | ||
| 250 | * 0111 16(I555) 16(I565) 16(I555) 16(I555) 16(I555) | ||
| 251 | * 1000 18(666) 18(666) 18(666) 18(666) 18(666) | ||
| 252 | * 1001 -none- 18(A665) 18(A665) 18(A665) 16(A665) | ||
| 253 | * 1010 -none- 19(A666) 19(A666) 19(A666) 19(A666) | ||
| 254 | * 1011 24(888) 24(888) 24(888) 24(888) 24(888) | ||
| 255 | * 1100 -none- 24(A887) 24(A887) 24(A887) 24(A887) | ||
| 256 | * 1101 -none- 25(A888) 25(A888) 25(A888) 25(A888) | ||
| 257 | * 1110 -none- -none- -none- -none- -none- | ||
| 258 | * 1111 -none- -none- -none- -none- -none- | ||
| 259 | */ | ||
diff --git a/arch/arm/plat-s3c/include/plat/regs-fb-v4.h b/arch/arm/plat-s3c/include/plat/regs-fb-v4.h new file mode 100644 index 000000000000..a60ed0d06c94 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/regs-fb-v4.h | |||
| @@ -0,0 +1,235 @@ | |||
| 1 | /* arch/arm/plat-s3c/include/plat/regs-fb-v4.h | ||
| 2 | * | ||
| 3 | * Copyright 2008 Openmoko, Inc. | ||
| 4 | * Copyright 2008 Simtec Electronics | ||
| 5 | * http://armlinux.simtec.co.uk/ | ||
| 6 | * Ben Dooks <ben@simtec.co.uk> | ||
| 7 | * | ||
| 8 | * S3C64XX - new-style framebuffer register definitions | ||
| 9 | * | ||
| 10 | * This is the register set for the new style framebuffer interface | ||
| 11 | * found from the S3C2443 onwards and specifically the S3C64XX series | ||
| 12 | * S3C6400 and S3C6410. | ||
| 13 | * | ||
| 14 | * The file contains the cpu specific items which change between whichever | ||
| 15 | * architecture is selected. See <plat/regs-fb.h> for the core definitions | ||
| 16 | * that are the same. | ||
| 17 | * | ||
| 18 | * This program is free software; you can redistribute it and/or modify | ||
| 19 | * it under the terms of the GNU General Public License version 2 as | ||
| 20 | * published by the Free Software Foundation. | ||
| 21 | */ | ||
| 22 | |||
| 23 | /* include the core definitions here, in case we really do need to | ||
| 24 | * override them at a later date. | ||
| 25 | */ | ||
| 26 | |||
| 27 | #include <plat/regs-fb.h> | ||
| 28 | |||
| 29 | #define S3C_FB_MAX_WIN (5) /* number of hardware windows available. */ | ||
| 30 | #define VIDCON1_FSTATUS_EVEN (1 << 15) | ||
| 31 | |||
| 32 | /* Video timing controls */ | ||
| 33 | #define VIDTCON0 (0x10) | ||
| 34 | #define VIDTCON1 (0x14) | ||
| 35 | #define VIDTCON2 (0x18) | ||
| 36 | |||
| 37 | /* Window position controls */ | ||
| 38 | |||
| 39 | #define WINCON(_win) (0x20 + ((_win) * 4)) | ||
| 40 | |||
| 41 | /* OSD1 and OSD4 do not have register D */ | ||
| 42 | |||
| 43 | #define VIDOSD_A(_win) (0x40 + ((_win) * 16)) | ||
| 44 | #define VIDOSD_B(_win) (0x44 + ((_win) * 16)) | ||
| 45 | #define VIDOSD_C(_win) (0x48 + ((_win) * 16)) | ||
| 46 | #define VIDOSD_D(_win) (0x4C + ((_win) * 16)) | ||
| 47 | |||
| 48 | |||
| 49 | #define VIDINTCON0 (0x130) | ||
| 50 | |||
| 51 | #define WxKEYCONy(_win, _con) ((0x140 + ((_win) * 8)) + ((_con) * 4)) | ||
| 52 | |||
| 53 | /* WINCONx */ | ||
| 54 | |||
| 55 | #define WINCONx_CSCWIDTH_MASK (0x3 << 26) | ||
| 56 | #define WINCONx_CSCWIDTH_SHIFT (26) | ||
| 57 | #define WINCONx_CSCWIDTH_WIDE (0x0 << 26) | ||
| 58 | #define WINCONx_CSCWIDTH_NARROW (0x3 << 26) | ||
| 59 | |||
| 60 | #define WINCONx_ENLOCAL (1 << 22) | ||
| 61 | #define WINCONx_BUFSTATUS (1 << 21) | ||
| 62 | #define WINCONx_BUFSEL (1 << 20) | ||
| 63 | #define WINCONx_BUFAUTOEN (1 << 19) | ||
| 64 | #define WINCONx_YCbCr (1 << 13) | ||
| 65 | |||
| 66 | #define WINCON1_LOCALSEL_CAMIF (1 << 23) | ||
| 67 | |||
| 68 | #define WINCON2_LOCALSEL_CAMIF (1 << 23) | ||
| 69 | #define WINCON2_BLD_PIX (1 << 6) | ||
| 70 | |||
| 71 | #define WINCON2_ALPHA_SEL (1 << 1) | ||
| 72 | #define WINCON2_BPPMODE_MASK (0xf << 2) | ||
| 73 | #define WINCON2_BPPMODE_SHIFT (2) | ||
| 74 | #define WINCON2_BPPMODE_1BPP (0x0 << 2) | ||
| 75 | #define WINCON2_BPPMODE_2BPP (0x1 << 2) | ||
| 76 | #define WINCON2_BPPMODE_4BPP (0x2 << 2) | ||
| 77 | #define WINCON2_BPPMODE_8BPP_1232 (0x4 << 2) | ||
| 78 | #define WINCON2_BPPMODE_16BPP_565 (0x5 << 2) | ||
| 79 | #define WINCON2_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
| 80 | #define WINCON2_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
| 81 | #define WINCON2_BPPMODE_18BPP_666 (0x8 << 2) | ||
| 82 | #define WINCON2_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
| 83 | #define WINCON2_BPPMODE_19BPP_A1666 (0xa << 2) | ||
| 84 | #define WINCON2_BPPMODE_24BPP_888 (0xb << 2) | ||
| 85 | #define WINCON2_BPPMODE_24BPP_A1887 (0xc << 2) | ||
| 86 | #define WINCON2_BPPMODE_25BPP_A1888 (0xd << 2) | ||
| 87 | #define WINCON2_BPPMODE_28BPP_A4888 (0xd << 2) | ||
| 88 | |||
| 89 | #define WINCON3_BLD_PIX (1 << 6) | ||
| 90 | |||
| 91 | #define WINCON3_ALPHA_SEL (1 << 1) | ||
| 92 | #define WINCON3_BPPMODE_MASK (0xf << 2) | ||
| 93 | #define WINCON3_BPPMODE_SHIFT (2) | ||
| 94 | #define WINCON3_BPPMODE_1BPP (0x0 << 2) | ||
| 95 | #define WINCON3_BPPMODE_2BPP (0x1 << 2) | ||
| 96 | #define WINCON3_BPPMODE_4BPP (0x2 << 2) | ||
| 97 | #define WINCON3_BPPMODE_16BPP_565 (0x5 << 2) | ||
| 98 | #define WINCON3_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
| 99 | #define WINCON3_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
| 100 | #define WINCON3_BPPMODE_18BPP_666 (0x8 << 2) | ||
| 101 | #define WINCON3_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
| 102 | #define WINCON3_BPPMODE_19BPP_A1666 (0xa << 2) | ||
| 103 | #define WINCON3_BPPMODE_24BPP_888 (0xb << 2) | ||
| 104 | #define WINCON3_BPPMODE_24BPP_A1887 (0xc << 2) | ||
| 105 | #define WINCON3_BPPMODE_25BPP_A1888 (0xd << 2) | ||
| 106 | #define WINCON3_BPPMODE_28BPP_A4888 (0xd << 2) | ||
| 107 | |||
| 108 | #define VIDINTCON0_FIFIOSEL_WINDOW2 (0x10 << 5) | ||
| 109 | #define VIDINTCON0_FIFIOSEL_WINDOW3 (0x20 << 5) | ||
| 110 | #define VIDINTCON0_FIFIOSEL_WINDOW4 (0x40 << 5) | ||
| 111 | |||
| 112 | #define DITHMODE (0x170) | ||
| 113 | #define WINxMAP(_win) (0x180 + ((_win) * 4)) | ||
| 114 | |||
| 115 | |||
| 116 | #define DITHMODE_R_POS_MASK (0x3 << 5) | ||
| 117 | #define DITHMODE_R_POS_SHIFT (5) | ||
| 118 | #define DITHMODE_R_POS_8BIT (0x0 << 5) | ||
| 119 | #define DITHMODE_R_POS_6BIT (0x1 << 5) | ||
| 120 | #define DITHMODE_R_POS_5BIT (0x2 << 5) | ||
| 121 | |||
| 122 | #define DITHMODE_G_POS_MASK (0x3 << 3) | ||
| 123 | #define DITHMODE_G_POS_SHIFT (3) | ||
| 124 | #define DITHMODE_G_POS_8BIT (0x0 << 3) | ||
| 125 | #define DITHMODE_G_POS_6BIT (0x1 << 3) | ||
| 126 | #define DITHMODE_G_POS_5BIT (0x2 << 3) | ||
| 127 | |||
| 128 | #define DITHMODE_B_POS_MASK (0x3 << 1) | ||
| 129 | #define DITHMODE_B_POS_SHIFT (1) | ||
| 130 | #define DITHMODE_B_POS_8BIT (0x0 << 1) | ||
| 131 | #define DITHMODE_B_POS_6BIT (0x1 << 1) | ||
| 132 | #define DITHMODE_B_POS_5BIT (0x2 << 1) | ||
| 133 | |||
| 134 | #define DITHMODE_DITH_EN (1 << 0) | ||
| 135 | |||
| 136 | #define WPALCON (0x1A0) | ||
| 137 | |||
| 138 | /* Palette control */ | ||
| 139 | /* Note for S5PC100: you can still use those macros on WPALCON (aka WPALCON_L), | ||
| 140 | * but make sure that WPALCON_H W2PAL-W4PAL entries are zeroed out */ | ||
| 141 | #define WPALCON_W4PAL_16BPP_A555 (1 << 8) | ||
| 142 | #define WPALCON_W3PAL_16BPP_A555 (1 << 7) | ||
| 143 | #define WPALCON_W2PAL_16BPP_A555 (1 << 6) | ||
| 144 | |||
| 145 | |||
| 146 | /* system specific implementation code for palette sizes, and other | ||
| 147 | * information that changes depending on which architecture is being | ||
| 148 | * compiled. | ||
| 149 | */ | ||
| 150 | |||
| 151 | /* return true if window _win has OSD register D */ | ||
| 152 | #define s3c_fb_has_osd_d(_win) ((_win) != 4 && (_win) != 0) | ||
| 153 | |||
| 154 | static inline unsigned int s3c_fb_win_pal_size(unsigned int win) | ||
| 155 | { | ||
| 156 | if (win < 2) | ||
| 157 | return 256; | ||
| 158 | if (win < 4) | ||
| 159 | return 16; | ||
| 160 | if (win == 4) | ||
| 161 | return 4; | ||
| 162 | |||
| 163 | BUG(); /* shouldn't get here */ | ||
| 164 | } | ||
| 165 | |||
| 166 | static inline int s3c_fb_validate_win_bpp(unsigned int win, unsigned int bpp) | ||
| 167 | { | ||
| 168 | /* all windows can do 1/2 bpp */ | ||
| 169 | |||
| 170 | if ((bpp == 25 || bpp == 19) && win == 0) | ||
| 171 | return 0; /* win 0 does not have 19 or 25bpp modes */ | ||
| 172 | |||
| 173 | if (bpp == 4 && win == 4) | ||
| 174 | return 0; | ||
| 175 | |||
| 176 | if (bpp == 8 && (win >= 3)) | ||
| 177 | return 0; /* win 3/4 cannot do 8bpp in any mode */ | ||
| 178 | |||
| 179 | return 1; | ||
| 180 | } | ||
| 181 | |||
| 182 | static inline int s3c_fb_pal_is16(unsigned int window) | ||
| 183 | { | ||
| 184 | return window > 1; | ||
| 185 | } | ||
| 186 | |||
| 187 | struct s3c_fb_palette { | ||
| 188 | struct fb_bitfield r; | ||
| 189 | struct fb_bitfield g; | ||
| 190 | struct fb_bitfield b; | ||
| 191 | struct fb_bitfield a; | ||
| 192 | }; | ||
| 193 | |||
| 194 | static inline void s3c_fb_init_palette(unsigned int window, | ||
| 195 | struct s3c_fb_palette *palette) | ||
| 196 | { | ||
| 197 | if (window < 2) { | ||
| 198 | /* Windows 0/1 are 8/8/8 or A/8/8/8 */ | ||
| 199 | palette->r.offset = 16; | ||
| 200 | palette->r.length = 8; | ||
| 201 | palette->g.offset = 8; | ||
| 202 | palette->g.length = 8; | ||
| 203 | palette->b.offset = 0; | ||
| 204 | palette->b.length = 8; | ||
| 205 | } else { | ||
| 206 | /* currently we assume RGB 5/6/5 */ | ||
| 207 | palette->r.offset = 11; | ||
| 208 | palette->r.length = 5; | ||
| 209 | palette->g.offset = 5; | ||
| 210 | palette->g.length = 6; | ||
| 211 | palette->b.offset = 0; | ||
| 212 | palette->b.length = 5; | ||
| 213 | } | ||
| 214 | } | ||
| 215 | |||
| 216 | /* Notes on per-window bpp settings | ||
| 217 | * | ||
| 218 | * Value Win0 Win1 Win2 Win3 Win 4 | ||
| 219 | * 0000 1(P) 1(P) 1(P) 1(P) 1(P) | ||
| 220 | * 0001 2(P) 2(P) 2(P) 2(P) 2(P) | ||
| 221 | * 0010 4(P) 4(P) 4(P) 4(P) -none- | ||
| 222 | * 0011 8(P) 8(P) -none- -none- -none- | ||
| 223 | * 0100 -none- 8(A232) 8(A232) -none- -none- | ||
| 224 | * 0101 16(565) 16(565) 16(565) 16(565) 16(565) | ||
| 225 | * 0110 -none- 16(A555) 16(A555) 16(A555) 16(A555) | ||
| 226 | * 0111 16(I555) 16(I565) 16(I555) 16(I555) 16(I555) | ||
| 227 | * 1000 18(666) 18(666) 18(666) 18(666) 18(666) | ||
| 228 | * 1001 -none- 18(A665) 18(A665) 18(A665) 16(A665) | ||
| 229 | * 1010 -none- 19(A666) 19(A666) 19(A666) 19(A666) | ||
| 230 | * 1011 24(888) 24(888) 24(888) 24(888) 24(888) | ||
| 231 | * 1100 -none- 24(A887) 24(A887) 24(A887) 24(A887) | ||
| 232 | * 1101 -none- 25(A888) 25(A888) 25(A888) 25(A888) | ||
| 233 | * 1110 -none- -none- -none- -none- -none- | ||
| 234 | * 1111 -none- -none- -none- -none- -none- | ||
| 235 | */ | ||
