| /* |
| * Samsung exynos4210 Display Controller (FIMD) |
| * |
| * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. |
| * All rights reserved. |
| * Based on LCD controller for Samsung S5PC1xx-based board emulation |
| * by Kirill Batuzov <batuzovk@ispras.ru> |
| * |
| * Contributed by Mitsyanko Igor <i.mitsyanko@samsung.com> |
| * |
| * 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 program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * See the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu-common.h" |
| #include "cpu-all.h" |
| #include "sysbus.h" |
| #include "console.h" |
| #include "pixel_ops.h" |
| #include "bswap.h" |
| |
| /* Debug messages configuration */ |
| #define EXYNOS4210_FIMD_DEBUG 0 |
| #define EXYNOS4210_FIMD_MODE_TRACE 0 |
| |
| #if EXYNOS4210_FIMD_DEBUG == 0 |
| #define DPRINT_L1(fmt, args...) do { } while (0) |
| #define DPRINT_L2(fmt, args...) do { } while (0) |
| #define DPRINT_ERROR(fmt, args...) do { } while (0) |
| #elif EXYNOS4210_FIMD_DEBUG == 1 |
| #define DPRINT_L1(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) |
| #define DPRINT_L2(fmt, args...) do { } while (0) |
| #define DPRINT_ERROR(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD ERROR: "fmt, ## args); } while (0) |
| #else |
| #define DPRINT_L1(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) |
| #define DPRINT_L2(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) |
| #define DPRINT_ERROR(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD ERROR: "fmt, ## args); } while (0) |
| #endif |
| |
| #if EXYNOS4210_FIMD_MODE_TRACE == 0 |
| #define DPRINT_TRACE(fmt, args...) do { } while (0) |
| #else |
| #define DPRINT_TRACE(fmt, args...) \ |
| do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) |
| #endif |
| |
| #define NUM_OF_WINDOWS 5 |
| #define FIMD_REGS_SIZE 0x4114 |
| |
| /* Video main control registers */ |
| #define FIMD_VIDCON0 0x0000 |
| #define FIMD_VIDCON1 0x0004 |
| #define FIMD_VIDCON2 0x0008 |
| #define FIMD_VIDCON3 0x000C |
| #define FIMD_VIDCON0_ENVID_F (1 << 0) |
| #define FIMD_VIDCON0_ENVID (1 << 1) |
| #define FIMD_VIDCON0_ENVID_MASK ((1 << 0) | (1 << 1)) |
| #define FIMD_VIDCON1_ROMASK 0x07FFE000 |
| |
| /* Video time control registers */ |
| #define FIMD_VIDTCON_START 0x10 |
| #define FIMD_VIDTCON_END 0x1C |
| #define FIMD_VIDTCON2_SIZE_MASK 0x07FF |
| #define FIMD_VIDTCON2_HOR_SHIFT 0 |
| #define FIMD_VIDTCON2_VER_SHIFT 11 |
| |
| /* Window control registers */ |
| #define FIMD_WINCON_START 0x0020 |
| #define FIMD_WINCON_END 0x0030 |
| #define FIMD_WINCON_ROMASK 0x82200000 |
| #define FIMD_WINCON_ENWIN (1 << 0) |
| #define FIMD_WINCON_BLD_PIX (1 << 6) |
| #define FIMD_WINCON_ALPHA_MUL (1 << 7) |
| #define FIMD_WINCON_ALPHA_SEL (1 << 1) |
| #define FIMD_WINCON_SWAP 0x078000 |
| #define FIMD_WINCON_SWAP_SHIFT 15 |
| #define FIMD_WINCON_SWAP_WORD 0x1 |
| #define FIMD_WINCON_SWAP_HWORD 0x2 |
| #define FIMD_WINCON_SWAP_BYTE 0x4 |
| #define FIMD_WINCON_SWAP_BITS 0x8 |
| #define FIMD_WINCON_BUFSTAT_L (1 << 21) |
| #define FIMD_WINCON_BUFSTAT_H (1 << 31) |
| #define FIMD_WINCON_BUFSTATUS ((1 << 21) | (1 << 31)) |
| #define FIMD_WINCON_BUF0_STAT ((0 << 21) | (0 << 31)) |
| #define FIMD_WINCON_BUF1_STAT ((1 << 21) | (0 << 31)) |
| #define FIMD_WINCON_BUF2_STAT ((0 << 21) | (1 << 31)) |
| #define FIMD_WINCON_BUFSELECT ((1 << 20) | (1 << 30)) |
| #define FIMD_WINCON_BUF0_SEL ((0 << 20) | (0 << 30)) |
| #define FIMD_WINCON_BUF1_SEL ((1 << 20) | (0 << 30)) |
| #define FIMD_WINCON_BUF2_SEL ((0 << 20) | (1 << 30)) |
| #define FIMD_WINCON_BUFMODE (1 << 14) |
| #define IS_PALETTIZED_MODE(w) (w->wincon & 0xC) |
| #define PAL_MODE_WITH_ALPHA(x) ((x) == 7) |
| #define WIN_BPP_MODE(w) ((w->wincon >> 2) & 0xF) |
| #define WIN_BPP_MODE_WITH_ALPHA(w) \ |
| (WIN_BPP_MODE(w) == 0xD || WIN_BPP_MODE(w) == 0xE) |
| |
| /* Shadow control register */ |
| #define FIMD_SHADOWCON 0x0034 |
| #define FIMD_WINDOW_PROTECTED(s, w) ((s) & (1 << (10 + (w)))) |
| /* Channel mapping control register */ |
| #define FIMD_WINCHMAP 0x003C |
| |
| /* Window position control registers */ |
| #define FIMD_VIDOSD_START 0x0040 |
| #define FIMD_VIDOSD_END 0x0088 |
| #define FIMD_VIDOSD_COORD_MASK 0x07FF |
| #define FIMD_VIDOSD_HOR_SHIFT 11 |
| #define FIMD_VIDOSD_VER_SHIFT 0 |
| #define FIMD_VIDOSD_ALPHA_AEN0 0xFFF000 |
| #define FIMD_VIDOSD_AEN0_SHIFT 12 |
| #define FIMD_VIDOSD_ALPHA_AEN1 0x000FFF |
| |
| /* Frame buffer address registers */ |
| #define FIMD_VIDWADD0_START 0x00A0 |
| #define FIMD_VIDWADD0_END 0x00C4 |
| #define FIMD_VIDWADD0_END 0x00C4 |
| #define FIMD_VIDWADD1_START 0x00D0 |
| #define FIMD_VIDWADD1_END 0x00F4 |
| #define FIMD_VIDWADD2_START 0x0100 |
| #define FIMD_VIDWADD2_END 0x0110 |
| #define FIMD_VIDWADD2_PAGEWIDTH 0x1FFF |
| #define FIMD_VIDWADD2_OFFSIZE 0x1FFF |
| #define FIMD_VIDWADD2_OFFSIZE_SHIFT 13 |
| #define FIMD_VIDW0ADD0_B2 0x20A0 |
| #define FIMD_VIDW4ADD0_B2 0x20C0 |
| |
| /* Video interrupt control registers */ |
| #define FIMD_VIDINTCON0 0x130 |
| #define FIMD_VIDINTCON1 0x134 |
| |
| /* Window color key registers */ |
| #define FIMD_WKEYCON_START 0x140 |
| #define FIMD_WKEYCON_END 0x15C |
| #define FIMD_WKEYCON0_COMPKEY 0x00FFFFFF |
| #define FIMD_WKEYCON0_CTL_SHIFT 24 |
| #define FIMD_WKEYCON0_DIRCON (1 << 24) |
| #define FIMD_WKEYCON0_KEYEN (1 << 25) |
| #define FIMD_WKEYCON0_KEYBLEN (1 << 26) |
| /* Window color key alpha control register */ |
| #define FIMD_WKEYALPHA_START 0x160 |
| #define FIMD_WKEYALPHA_END 0x16C |
| |
| /* Dithering control register */ |
| #define FIMD_DITHMODE 0x170 |
| |
| /* Window alpha control registers */ |
| #define FIMD_VIDALPHA_ALPHA_LOWER 0x000F0F0F |
| #define FIMD_VIDALPHA_ALPHA_UPPER 0x00F0F0F0 |
| #define FIMD_VIDWALPHA_START 0x21C |
| #define FIMD_VIDWALPHA_END 0x240 |
| |
| /* Window color map registers */ |
| #define FIMD_WINMAP_START 0x180 |
| #define FIMD_WINMAP_END 0x190 |
| #define FIMD_WINMAP_EN (1 << 24) |
| #define FIMD_WINMAP_COLOR_MASK 0x00FFFFFF |
| |
| /* Window palette control registers */ |
| #define FIMD_WPALCON_HIGH 0x019C |
| #define FIMD_WPALCON_LOW 0x01A0 |
| #define FIMD_WPALCON_UPDATEEN (1 << 9) |
| #define FIMD_WPAL_W0PAL_L 0x07 |
| #define FIMD_WPAL_W0PAL_L_SHT 0 |
| #define FIMD_WPAL_W1PAL_L 0x07 |
| #define FIMD_WPAL_W1PAL_L_SHT 3 |
| #define FIMD_WPAL_W2PAL_L 0x01 |
| #define FIMD_WPAL_W2PAL_L_SHT 6 |
| #define FIMD_WPAL_W2PAL_H 0x06 |
| #define FIMD_WPAL_W2PAL_H_SHT 8 |
| #define FIMD_WPAL_W3PAL_L 0x01 |
| #define FIMD_WPAL_W3PAL_L_SHT 7 |
| #define FIMD_WPAL_W3PAL_H 0x06 |
| #define FIMD_WPAL_W3PAL_H_SHT 12 |
| #define FIMD_WPAL_W4PAL_L 0x01 |
| #define FIMD_WPAL_W4PAL_L_SHT 8 |
| #define FIMD_WPAL_W4PAL_H 0x06 |
| #define FIMD_WPAL_W4PAL_H_SHT 16 |
| |
| /* Trigger control registers */ |
| #define FIMD_TRIGCON 0x01A4 |
| #define FIMD_TRIGCON_ROMASK 0x00000004 |
| |
| /* LCD I80 Interface Control */ |
| #define FIMD_I80IFCON_START 0x01B0 |
| #define FIMD_I80IFCON_END 0x01BC |
| /* Color gain control register */ |
| #define FIMD_COLORGAINCON 0x01C0 |
| /* LCD i80 Interface Command Control */ |
| #define FIMD_LDI_CMDCON0 0x01D0 |
| #define FIMD_LDI_CMDCON1 0x01D4 |
| /* I80 System Interface Manual Command Control */ |
| #define FIMD_SIFCCON0 0x01E0 |
| #define FIMD_SIFCCON2 0x01E8 |
| |
| /* Hue Control Registers */ |
| #define FIMD_HUECOEFCR_START 0x01EC |
| #define FIMD_HUECOEFCR_END 0x01F4 |
| #define FIMD_HUECOEFCB_START 0x01FC |
| #define FIMD_HUECOEFCB_END 0x0208 |
| #define FIMD_HUEOFFSET 0x020C |
| |
| /* Video interrupt control registers */ |
| #define FIMD_VIDINT_INTFIFOPEND (1 << 0) |
| #define FIMD_VIDINT_INTFRMPEND (1 << 1) |
| #define FIMD_VIDINT_INTI80PEND (1 << 2) |
| #define FIMD_VIDINT_INTEN (1 << 0) |
| #define FIMD_VIDINT_INTFIFOEN (1 << 1) |
| #define FIMD_VIDINT_INTFRMEN (1 << 12) |
| #define FIMD_VIDINT_I80IFDONE (1 << 17) |
| |
| /* Window blend equation control registers */ |
| #define FIMD_BLENDEQ_START 0x0244 |
| #define FIMD_BLENDEQ_END 0x0250 |
| #define FIMD_BLENDCON 0x0260 |
| #define FIMD_ALPHA_8BIT (1 << 0) |
| #define FIMD_BLENDEQ_COEF_MASK 0xF |
| |
| /* Window RTQOS Control Registers */ |
| #define FIMD_WRTQOSCON_START 0x0264 |
| #define FIMD_WRTQOSCON_END 0x0274 |
| |
| /* LCD I80 Interface Command */ |
| #define FIMD_I80IFCMD_START 0x0280 |
| #define FIMD_I80IFCMD_END 0x02AC |
| |
| /* Shadow windows control registers */ |
| #define FIMD_SHD_ADD0_START 0x40A0 |
| #define FIMD_SHD_ADD0_END 0x40C0 |
| #define FIMD_SHD_ADD1_START 0x40D0 |
| #define FIMD_SHD_ADD1_END 0x40F0 |
| #define FIMD_SHD_ADD2_START 0x4100 |
| #define FIMD_SHD_ADD2_END 0x4110 |
| |
| /* Palette memory */ |
| #define FIMD_PAL_MEM_START 0x2400 |
| #define FIMD_PAL_MEM_END 0x37FC |
| /* Palette memory aliases for windows 0 and 1 */ |
| #define FIMD_PALMEM_AL_START 0x0400 |
| #define FIMD_PALMEM_AL_END 0x0BFC |
| |
| typedef struct { |
| uint8_t r, g, b; |
| /* D[31..24]dummy, D[23..16]rAlpha, D[15..8]gAlpha, D[7..0]bAlpha */ |
| uint32_t a; |
| } rgba; |
| #define RGBA_SIZE 7 |
| |
| typedef void pixel_to_rgb_func(uint32_t pixel, rgba *p); |
| typedef struct Exynos4210fimdWindow Exynos4210fimdWindow; |
| |
| struct Exynos4210fimdWindow { |
| uint32_t wincon; /* Window control register */ |
| uint32_t buf_start[3]; /* Start address for video frame buffer */ |
| uint32_t buf_end[3]; /* End address for video frame buffer */ |
| uint32_t keycon[2]; /* Window color key registers */ |
| uint32_t keyalpha; /* Color key alpha control register */ |
| uint32_t winmap; /* Window color map register */ |
| uint32_t blendeq; /* Window blending equation control register */ |
| uint32_t rtqoscon; /* Window RTQOS Control Registers */ |
| uint32_t palette[256]; /* Palette RAM */ |
| uint32_t shadow_buf_start; /* Start address of shadow frame buffer */ |
| uint32_t shadow_buf_end; /* End address of shadow frame buffer */ |
| uint32_t shadow_buf_size; /* Virtual shadow screen width */ |
| |
| pixel_to_rgb_func *pixel_to_rgb; |
| void (*draw_line)(Exynos4210fimdWindow *w, uint8_t *src, uint8_t *dst, |
| bool blend); |
| uint32_t (*get_alpha)(Exynos4210fimdWindow *w, uint32_t pix_a); |
| uint16_t lefttop_x, lefttop_y; /* VIDOSD0 register */ |
| uint16_t rightbot_x, rightbot_y; /* VIDOSD1 register */ |
| uint32_t osdsize; /* VIDOSD2&3 register */ |
| uint32_t alpha_val[2]; /* VIDOSD2&3, VIDWALPHA registers */ |
| uint16_t virtpage_width; /* VIDWADD2 register */ |
| uint16_t virtpage_offsize; /* VIDWADD2 register */ |
| MemoryRegionSection mem_section; /* RAM fragment containing framebuffer */ |
| uint8_t *host_fb_addr; /* Host pointer to window's framebuffer */ |
| hwaddr fb_len; /* Framebuffer length */ |
| }; |
| |
| typedef struct { |
| SysBusDevice busdev; |
| MemoryRegion iomem; |
| DisplayState *console; |
| qemu_irq irq[3]; |
| |
| uint32_t vidcon[4]; /* Video main control registers 0-3 */ |
| uint32_t vidtcon[4]; /* Video time control registers 0-3 */ |
| uint32_t shadowcon; /* Window shadow control register */ |
| uint32_t winchmap; /* Channel mapping control register */ |
| uint32_t vidintcon[2]; /* Video interrupt control registers */ |
| uint32_t dithmode; /* Dithering control register */ |
| uint32_t wpalcon[2]; /* Window palette control registers */ |
| uint32_t trigcon; /* Trigger control register */ |
| uint32_t i80ifcon[4]; /* I80 interface control registers */ |
| uint32_t colorgaincon; /* Color gain control register */ |
| uint32_t ldi_cmdcon[2]; /* LCD I80 interface command control */ |
| uint32_t sifccon[3]; /* I80 System Interface Manual Command Control */ |
| uint32_t huecoef_cr[4]; /* Hue control registers */ |
| uint32_t huecoef_cb[4]; /* Hue control registers */ |
| uint32_t hueoffset; /* Hue offset control register */ |
| uint32_t blendcon; /* Blending control register */ |
| uint32_t i80ifcmd[12]; /* LCD I80 Interface Command */ |
| |
| Exynos4210fimdWindow window[5]; /* Window-specific registers */ |
| uint8_t *ifb; /* Internal frame buffer */ |
| bool invalidate; /* Image needs to be redrawn */ |
| bool enabled; /* Display controller is enabled */ |
| } Exynos4210fimdState; |
| |
| /* Perform byte/halfword/word swap of data according to WINCON */ |
| static inline void fimd_swap_data(unsigned int swap_ctl, uint64_t *data) |
| { |
| int i; |
| uint64_t res; |
| uint64_t x = *data; |
| |
| if (swap_ctl & FIMD_WINCON_SWAP_BITS) { |
| res = 0; |
| for (i = 0; i < 64; i++) { |
| if (x & (1ULL << (64 - i))) { |
| res |= (1ULL << i); |
| } |
| } |
| x = res; |
| } |
| |
| if (swap_ctl & FIMD_WINCON_SWAP_BYTE) { |
| x = bswap64(x); |
| } |
| |
| if (swap_ctl & FIMD_WINCON_SWAP_HWORD) { |
| x = ((x & 0x000000000000FFFFULL) << 48) | |
| ((x & 0x00000000FFFF0000ULL) << 16) | |
| ((x & 0x0000FFFF00000000ULL) >> 16) | |
| ((x & 0xFFFF000000000000ULL) >> 48); |
| } |
| |
| if (swap_ctl & FIMD_WINCON_SWAP_WORD) { |
| x = ((x & 0x00000000FFFFFFFFULL) << 32) | |
| ((x & 0xFFFFFFFF00000000ULL) >> 32); |
| } |
| |
| *data = x; |
| } |
| |
| /* Conversion routines of Pixel data from frame buffer area to internal RGBA |
| * pixel representation. |
| * Every color component internally represented as 8-bit value. If original |
| * data has less than 8 bit for component, data is extended to 8 bit. For |
| * example, if blue component has only two possible values 0 and 1 it will be |
| * extended to 0 and 0xFF */ |
| |
| /* One bit for alpha representation */ |
| #define DEF_PIXEL_TO_RGB_A1(N, R, G, B) \ |
| static void N(uint32_t pixel, rgba *p) \ |
| { \ |
| p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ |
| ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ |
| pixel >>= (B); \ |
| p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ |
| ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ |
| pixel >>= (G); \ |
| p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ |
| ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ |
| pixel >>= (R); \ |
| p->a = (pixel & 0x1); \ |
| } |
| |
| DEF_PIXEL_TO_RGB_A1(pixel_a444_to_rgb, 4, 4, 4) |
| DEF_PIXEL_TO_RGB_A1(pixel_a555_to_rgb, 5, 5, 5) |
| DEF_PIXEL_TO_RGB_A1(pixel_a666_to_rgb, 6, 6, 6) |
| DEF_PIXEL_TO_RGB_A1(pixel_a665_to_rgb, 6, 6, 5) |
| DEF_PIXEL_TO_RGB_A1(pixel_a888_to_rgb, 8, 8, 8) |
| DEF_PIXEL_TO_RGB_A1(pixel_a887_to_rgb, 8, 8, 7) |
| |
| /* Alpha component is always zero */ |
| #define DEF_PIXEL_TO_RGB_A0(N, R, G, B) \ |
| static void N(uint32_t pixel, rgba *p) \ |
| { \ |
| p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ |
| ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ |
| pixel >>= (B); \ |
| p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ |
| ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ |
| pixel >>= (G); \ |
| p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ |
| ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ |
| p->a = 0x0; \ |
| } |
| |
| DEF_PIXEL_TO_RGB_A0(pixel_565_to_rgb, 5, 6, 5) |
| DEF_PIXEL_TO_RGB_A0(pixel_555_to_rgb, 5, 5, 5) |
| DEF_PIXEL_TO_RGB_A0(pixel_666_to_rgb, 6, 6, 6) |
| DEF_PIXEL_TO_RGB_A0(pixel_888_to_rgb, 8, 8, 8) |
| |
| /* Alpha component has some meaningful value */ |
| #define DEF_PIXEL_TO_RGB_A(N, R, G, B, A) \ |
| static void N(uint32_t pixel, rgba *p) \ |
| { \ |
| p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ |
| ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ |
| pixel >>= (B); \ |
| p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ |
| ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ |
| pixel >>= (G); \ |
| p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ |
| ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ |
| pixel >>= (R); \ |
| p->a = (pixel & ((1 << (A)) - 1)) << (8 - (A)) | \ |
| ((pixel >> (2 * (A) - 8)) & ((1 << (8 - (A))) - 1)); \ |
| p->a = p->a | (p->a << 8) | (p->a << 16); \ |
| } |
| |
| DEF_PIXEL_TO_RGB_A(pixel_4444_to_rgb, 4, 4, 4, 4) |
| DEF_PIXEL_TO_RGB_A(pixel_8888_to_rgb, 8, 8, 8, 8) |
| |
| /* Lookup table to extent 2-bit color component to 8 bit */ |
| static const uint8_t pixel_lutable_2b[4] = { |
| 0x0, 0x55, 0xAA, 0xFF |
| }; |
| /* Lookup table to extent 3-bit color component to 8 bit */ |
| static const uint8_t pixel_lutable_3b[8] = { |
| 0x0, 0x24, 0x49, 0x6D, 0x92, 0xB6, 0xDB, 0xFF |
| }; |
| /* Special case for a232 bpp mode */ |
| static void pixel_a232_to_rgb(uint32_t pixel, rgba *p) |
| { |
| p->b = pixel_lutable_2b[(pixel & 0x3)]; |
| pixel >>= 2; |
| p->g = pixel_lutable_3b[(pixel & 0x7)]; |
| pixel >>= 3; |
| p->r = pixel_lutable_2b[(pixel & 0x3)]; |
| pixel >>= 2; |
| p->a = (pixel & 0x1); |
| } |
| |
| /* Special case for (5+1, 5+1, 5+1) mode. Data bit 15 is common LSB |
| * for all three color components */ |
| static void pixel_1555_to_rgb(uint32_t pixel, rgba *p) |
| { |
| uint8_t comm = (pixel >> 15) & 1; |
| p->b = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); |
| pixel >>= 5; |
| p->g = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); |
| pixel >>= 5; |
| p->r = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); |
| p->a = 0x0; |
| } |
| |
| /* Put/get pixel to/from internal LCD Controller framebuffer */ |
| |
| static int put_pixel_ifb(const rgba p, uint8_t *d) |
| { |
| *(uint8_t *)d++ = p.r; |
| *(uint8_t *)d++ = p.g; |
| *(uint8_t *)d++ = p.b; |
| *(uint32_t *)d = p.a; |
| return RGBA_SIZE; |
| } |
| |
| static int get_pixel_ifb(const uint8_t *s, rgba *p) |
| { |
| p->r = *(uint8_t *)s++; |
| p->g = *(uint8_t *)s++; |
| p->b = *(uint8_t *)s++; |
| p->a = (*(uint32_t *)s) & 0x00FFFFFF; |
| return RGBA_SIZE; |
| } |
| |
| static pixel_to_rgb_func *palette_data_format[8] = { |
| [0] = pixel_565_to_rgb, |
| [1] = pixel_a555_to_rgb, |
| [2] = pixel_666_to_rgb, |
| [3] = pixel_a665_to_rgb, |
| [4] = pixel_a666_to_rgb, |
| [5] = pixel_888_to_rgb, |
| [6] = pixel_a888_to_rgb, |
| [7] = pixel_8888_to_rgb |
| }; |
| |
| /* Returns Index in palette data formats table for given window number WINDOW */ |
| static uint32_t |
| exynos4210_fimd_palette_format(Exynos4210fimdState *s, int window) |
| { |
| uint32_t ret; |
| |
| switch (window) { |
| case 0: |
| ret = (s->wpalcon[1] >> FIMD_WPAL_W0PAL_L_SHT) & FIMD_WPAL_W0PAL_L; |
| if (ret != 7) { |
| ret = 6 - ret; |
| } |
| break; |
| case 1: |
| ret = (s->wpalcon[1] >> FIMD_WPAL_W1PAL_L_SHT) & FIMD_WPAL_W1PAL_L; |
| if (ret != 7) { |
| ret = 6 - ret; |
| } |
| break; |
| case 2: |
| ret = ((s->wpalcon[0] >> FIMD_WPAL_W2PAL_H_SHT) & FIMD_WPAL_W2PAL_H) | |
| ((s->wpalcon[1] >> FIMD_WPAL_W2PAL_L_SHT) & FIMD_WPAL_W2PAL_L); |
| break; |
| case 3: |
| ret = ((s->wpalcon[0] >> FIMD_WPAL_W3PAL_H_SHT) & FIMD_WPAL_W3PAL_H) | |
| ((s->wpalcon[1] >> FIMD_WPAL_W3PAL_L_SHT) & FIMD_WPAL_W3PAL_L); |
| break; |
| case 4: |
| ret = ((s->wpalcon[0] >> FIMD_WPAL_W4PAL_H_SHT) & FIMD_WPAL_W4PAL_H) | |
| ((s->wpalcon[1] >> FIMD_WPAL_W4PAL_L_SHT) & FIMD_WPAL_W4PAL_L); |
| break; |
| default: |
| hw_error("exynos4210.fimd: incorrect window number %d\n", window); |
| ret = 0; |
| break; |
| } |
| return ret; |
| } |
| |
| #define FIMD_1_MINUS_COLOR(x) \ |
| ((0xFF - ((x) & 0xFF)) | (0xFF00 - ((x) & 0xFF00)) | \ |
| (0xFF0000 - ((x) & 0xFF0000))) |
| #define EXTEND_LOWER_HALFBYTE(x) (((x) & 0xF0F0F) | (((x) << 4) & 0xF0F0F0)) |
| #define EXTEND_UPPER_HALFBYTE(x) (((x) & 0xF0F0F0) | (((x) >> 4) & 0xF0F0F)) |
| |
| /* Multiply three lower bytes of two 32-bit words with each other. |
| * Each byte with values 0-255 is considered as a number with possible values |
| * in a range [0 - 1] */ |
| static inline uint32_t fimd_mult_each_byte(uint32_t a, uint32_t b) |
| { |
| uint32_t tmp; |
| uint32_t ret; |
| |
| ret = ((tmp = (((a & 0xFF) * (b & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF : tmp; |
| ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? |
| 0xFF00 : tmp << 8; |
| ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF)) / 0xFF)) > 0xFF) ? |
| 0xFF0000 : tmp << 16; |
| return ret; |
| } |
| |
| /* For each corresponding bytes of two 32-bit words: (a*b + c*d) |
| * Byte values 0-255 are mapped to a range [0 .. 1] */ |
| static inline uint32_t |
| fimd_mult_and_sum_each_byte(uint32_t a, uint32_t b, uint32_t c, uint32_t d) |
| { |
| uint32_t tmp; |
| uint32_t ret; |
| |
| ret = ((tmp = (((a & 0xFF) * (b & 0xFF) + (c & 0xFF) * (d & 0xFF)) / 0xFF)) |
| > 0xFF) ? 0xFF : tmp; |
| ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF) + ((c >> 8) & 0xFF) * |
| ((d >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF00 : tmp << 8; |
| ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF) + |
| ((c >> 16) & 0xFF) * ((d >> 16) & 0xFF)) / 0xFF)) > 0xFF) ? |
| 0xFF0000 : tmp << 16; |
| return ret; |
| } |
| |
| /* These routines cover all possible sources of window's transparent factor |
| * used in blending equation. Choice of routine is affected by WPALCON |
| * registers, BLENDCON register and window's WINCON register */ |
| |
| static uint32_t fimd_get_alpha_pix(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return pix_a; |
| } |
| |
| static uint32_t |
| fimd_get_alpha_pix_extlow(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return EXTEND_LOWER_HALFBYTE(pix_a); |
| } |
| |
| static uint32_t |
| fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return EXTEND_UPPER_HALFBYTE(pix_a); |
| } |
| |
| static uint32_t fimd_get_alpha_mult(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return fimd_mult_each_byte(pix_a, w->alpha_val[0]); |
| } |
| |
| static uint32_t fimd_get_alpha_mult_ext(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return fimd_mult_each_byte(EXTEND_LOWER_HALFBYTE(pix_a), |
| EXTEND_UPPER_HALFBYTE(w->alpha_val[0])); |
| } |
| |
| static uint32_t fimd_get_alpha_aen(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return w->alpha_val[pix_a]; |
| } |
| |
| static uint32_t fimd_get_alpha_aen_ext(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return EXTEND_UPPER_HALFBYTE(w->alpha_val[pix_a]); |
| } |
| |
| static uint32_t fimd_get_alpha_sel(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return w->alpha_val[(w->wincon & FIMD_WINCON_ALPHA_SEL) ? 1 : 0]; |
| } |
| |
| static uint32_t fimd_get_alpha_sel_ext(Exynos4210fimdWindow *w, uint32_t pix_a) |
| { |
| return EXTEND_UPPER_HALFBYTE(w->alpha_val[(w->wincon & |
| FIMD_WINCON_ALPHA_SEL) ? 1 : 0]); |
| } |
| |
| /* Updates currently active alpha value get function for specified window */ |
| static void fimd_update_get_alpha(Exynos4210fimdState *s, int win) |
| { |
| Exynos4210fimdWindow *w = &s->window[win]; |
| const bool alpha_is_8bit = s->blendcon & FIMD_ALPHA_8BIT; |
| |
| if (w->wincon & FIMD_WINCON_BLD_PIX) { |
| if ((w->wincon & FIMD_WINCON_ALPHA_SEL) && WIN_BPP_MODE_WITH_ALPHA(w)) { |
| /* In this case, alpha component contains meaningful value */ |
| if (w->wincon & FIMD_WINCON_ALPHA_MUL) { |
| w->get_alpha = alpha_is_8bit ? |
| fimd_get_alpha_mult : fimd_get_alpha_mult_ext; |
| } else { |
| w->get_alpha = alpha_is_8bit ? |
| fimd_get_alpha_pix : fimd_get_alpha_pix_extlow; |
| } |
| } else { |
| if (IS_PALETTIZED_MODE(w) && |
| PAL_MODE_WITH_ALPHA(exynos4210_fimd_palette_format(s, win))) { |
| /* Alpha component has 8-bit numeric value */ |
| w->get_alpha = alpha_is_8bit ? |
| fimd_get_alpha_pix : fimd_get_alpha_pix_exthigh; |
| } else { |
| /* Alpha has only two possible values (AEN) */ |
| w->get_alpha = alpha_is_8bit ? |
| fimd_get_alpha_aen : fimd_get_alpha_aen_ext; |
| } |
| } |
| } else { |
| w->get_alpha = alpha_is_8bit ? fimd_get_alpha_sel : |
| fimd_get_alpha_sel_ext; |
| } |
| } |
| |
| /* Blends current window's (w) pixel (foreground pixel *ret) with background |
| * window (w_blend) pixel p_bg according to formula: |
| * NEW_COLOR = a_coef x FG_PIXEL_COLOR + b_coef x BG_PIXEL_COLOR |
| * NEW_ALPHA = p_coef x FG_ALPHA + q_coef x BG_ALPHA |
| */ |
| static void |
| exynos4210_fimd_blend_pixel(Exynos4210fimdWindow *w, rgba p_bg, rgba *ret) |
| { |
| rgba p_fg = *ret; |
| uint32_t bg_color = ((p_bg.r & 0xFF) << 16) | ((p_bg.g & 0xFF) << 8) | |
| (p_bg.b & 0xFF); |
| uint32_t fg_color = ((p_fg.r & 0xFF) << 16) | ((p_fg.g & 0xFF) << 8) | |
| (p_fg.b & 0xFF); |
| uint32_t alpha_fg = p_fg.a; |
| int i; |
| /* It is possible that blending equation parameters a and b do not |
| * depend on window BLENEQ register. Account for this with first_coef */ |
| enum { A_COEF = 0, B_COEF = 1, P_COEF = 2, Q_COEF = 3, COEF_NUM = 4}; |
| uint32_t first_coef = A_COEF; |
| uint32_t blend_param[COEF_NUM]; |
| |
| if (w->keycon[0] & FIMD_WKEYCON0_KEYEN) { |
| uint32_t colorkey = (w->keycon[1] & |
| ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) & FIMD_WKEYCON0_COMPKEY; |
| |
| if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) && |
| (bg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) { |
| /* Foreground pixel is displayed */ |
| if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) { |
| alpha_fg = w->keyalpha; |
| blend_param[A_COEF] = alpha_fg; |
| blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg); |
| } else { |
| alpha_fg = 0; |
| blend_param[A_COEF] = 0xFFFFFF; |
| blend_param[B_COEF] = 0x0; |
| } |
| first_coef = P_COEF; |
| } else if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) == 0 && |
| (fg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) { |
| /* Background pixel is displayed */ |
| if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) { |
| alpha_fg = w->keyalpha; |
| blend_param[A_COEF] = alpha_fg; |
| blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg); |
| } else { |
| alpha_fg = 0; |
| blend_param[A_COEF] = 0x0; |
| blend_param[B_COEF] = 0xFFFFFF; |
| } |
| first_coef = P_COEF; |
| } |
| } |
| |
| for (i = first_coef; i < COEF_NUM; i++) { |
| switch ((w->blendeq >> i * 6) & FIMD_BLENDEQ_COEF_MASK) { |
| case 0: |
| blend_param[i] = 0; |
| break; |
| case 1: |
| blend_param[i] = 0xFFFFFF; |
| break; |
| case 2: |
| blend_param[i] = alpha_fg; |
| break; |
| case 3: |
| blend_param[i] = FIMD_1_MINUS_COLOR(alpha_fg); |
| break; |
| case 4: |
| blend_param[i] = p_bg.a; |
| break; |
| case 5: |
| blend_param[i] = FIMD_1_MINUS_COLOR(p_bg.a); |
| break; |
| case 6: |
| blend_param[i] = w->alpha_val[0]; |
| break; |
| case 10: |
| blend_param[i] = fg_color; |
| break; |
| case 11: |
| blend_param[i] = FIMD_1_MINUS_COLOR(fg_color); |
| break; |
| case 12: |
| blend_param[i] = bg_color; |
| break; |
| case 13: |
| blend_param[i] = FIMD_1_MINUS_COLOR(bg_color); |
| break; |
| default: |
| hw_error("exynos4210.fimd: blend equation coef illegal value\n"); |
| break; |
| } |
| } |
| |
| fg_color = fimd_mult_and_sum_each_byte(bg_color, blend_param[B_COEF], |
| fg_color, blend_param[A_COEF]); |
| ret->b = fg_color & 0xFF; |
| fg_color >>= 8; |
| ret->g = fg_color & 0xFF; |
| fg_color >>= 8; |
| ret->r = fg_color & 0xFF; |
| ret->a = fimd_mult_and_sum_each_byte(alpha_fg, blend_param[P_COEF], |
| p_bg.a, blend_param[Q_COEF]); |
| } |
| |
| /* These routines read data from video frame buffer in system RAM, convert |
| * this data to display controller internal representation, if necessary, |
| * perform pixel blending with data, currently presented in internal buffer. |
| * Result is stored in display controller internal frame buffer. */ |
| |
| /* Draw line with index in palette table in RAM frame buffer data */ |
| #define DEF_DRAW_LINE_PALETTE(N) \ |
| static void glue(draw_line_palette_, N)(Exynos4210fimdWindow *w, uint8_t *src, \ |
| uint8_t *dst, bool blend) \ |
| { \ |
| int width = w->rightbot_x - w->lefttop_x + 1; \ |
| uint8_t *ifb = dst; \ |
| uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \ |
| uint64_t data; \ |
| rgba p, p_old; \ |
| int i; \ |
| do { \ |
| data = ldq_raw((void *)src); \ |
| src += 8; \ |
| fimd_swap_data(swap, &data); \ |
| for (i = (64 / (N) - 1); i >= 0; i--) { \ |
| w->pixel_to_rgb(w->palette[(data >> ((N) * i)) & \ |
| ((1ULL << (N)) - 1)], &p); \ |
| p.a = w->get_alpha(w, p.a); \ |
| if (blend) { \ |
| ifb += get_pixel_ifb(ifb, &p_old); \ |
| exynos4210_fimd_blend_pixel(w, p_old, &p); \ |
| } \ |
| dst += put_pixel_ifb(p, dst); \ |
| } \ |
| width -= (64 / (N)); \ |
| } while (width > 0); \ |
| } |
| |
| /* Draw line with direct color value in RAM frame buffer data */ |
| #define DEF_DRAW_LINE_NOPALETTE(N) \ |
| static void glue(draw_line_, N)(Exynos4210fimdWindow *w, uint8_t *src, \ |
| uint8_t *dst, bool blend) \ |
| { \ |
| int width = w->rightbot_x - w->lefttop_x + 1; \ |
| uint8_t *ifb = dst; \ |
| uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \ |
| uint64_t data; \ |
| rgba p, p_old; \ |
| int i; \ |
| do { \ |
| data = ldq_raw((void *)src); \ |
| src += 8; \ |
| fimd_swap_data(swap, &data); \ |
| for (i = (64 / (N) - 1); i >= 0; i--) { \ |
| w->pixel_to_rgb((data >> ((N) * i)) & ((1ULL << (N)) - 1), &p); \ |
| p.a = w->get_alpha(w, p.a); \ |
| if (blend) { \ |
| ifb += get_pixel_ifb(ifb, &p_old); \ |
| exynos4210_fimd_blend_pixel(w, p_old, &p); \ |
| } \ |
| dst += put_pixel_ifb(p, dst); \ |
| } \ |
| width -= (64 / (N)); \ |
| } while (width > 0); \ |
| } |
| |
| DEF_DRAW_LINE_PALETTE(1) |
| DEF_DRAW_LINE_PALETTE(2) |
| DEF_DRAW_LINE_PALETTE(4) |
| DEF_DRAW_LINE_PALETTE(8) |
| DEF_DRAW_LINE_NOPALETTE(8) /* 8bpp mode has palette and non-palette versions */ |
| DEF_DRAW_LINE_NOPALETTE(16) |
| DEF_DRAW_LINE_NOPALETTE(32) |
| |
| /* Special draw line routine for window color map case */ |
| static void draw_line_mapcolor(Exynos4210fimdWindow *w, uint8_t *src, |
| uint8_t *dst, bool blend) |
| { |
| rgba p, p_old; |
| uint8_t *ifb = dst; |
| int width = w->rightbot_x - w->lefttop_x + 1; |
| uint32_t map_color = w->winmap & FIMD_WINMAP_COLOR_MASK; |
| |
| do { |
| pixel_888_to_rgb(map_color, &p); |
| p.a = w->get_alpha(w, p.a); |
| if (blend) { |
| ifb += get_pixel_ifb(ifb, &p_old); |
| exynos4210_fimd_blend_pixel(w, p_old, &p); |
| } |
| dst += put_pixel_ifb(p, dst); |
| } while (--width); |
| } |
| |
| /* Write RGB to QEMU's GraphicConsole framebuffer */ |
| |
| static int put_to_qemufb_pixel8(const rgba p, uint8_t *d) |
| { |
| uint32_t pixel = rgb_to_pixel8(p.r, p.g, p.b); |
| *(uint8_t *)d = pixel; |
| return 1; |
| } |
| |
| static int put_to_qemufb_pixel15(const rgba p, uint8_t *d) |
| { |
| uint32_t pixel = rgb_to_pixel15(p.r, p.g, p.b); |
| *(uint16_t *)d = pixel; |
| return 2; |
| } |
| |
| static int put_to_qemufb_pixel16(const rgba p, uint8_t *d) |
| { |
| uint32_t pixel = rgb_to_pixel16(p.r, p.g, p.b); |
| *(uint16_t *)d = pixel; |
| return 2; |
| } |
| |
| static int put_to_qemufb_pixel24(const rgba p, uint8_t *d) |
| { |
| uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b); |
| *(uint8_t *)d++ = (pixel >> 0) & 0xFF; |
| *(uint8_t *)d++ = (pixel >> 8) & 0xFF; |
| *(uint8_t *)d++ = (pixel >> 16) & 0xFF; |
| return 3; |
| } |
| |
| static int put_to_qemufb_pixel32(const rgba p, uint8_t *d) |
| { |
| uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b); |
| *(uint32_t *)d = pixel; |
| return 4; |
| } |
| |
| /* Routine to copy pixel from internal buffer to QEMU buffer */ |
| static int (*put_pixel_toqemu)(const rgba p, uint8_t *pixel); |
| static inline void fimd_update_putpix_qemu(int bpp) |
| { |
| switch (bpp) { |
| case 8: |
| put_pixel_toqemu = put_to_qemufb_pixel8; |
| break; |
| case 15: |
| put_pixel_toqemu = put_to_qemufb_pixel15; |
| break; |
| case 16: |
| put_pixel_toqemu = put_to_qemufb_pixel16; |
| break; |
| case 24: |
| put_pixel_toqemu = put_to_qemufb_pixel24; |
| break; |
| case 32: |
| put_pixel_toqemu = put_to_qemufb_pixel32; |
| break; |
| default: |
| hw_error("exynos4210.fimd: unsupported BPP (%d)", bpp); |
| break; |
| } |
| } |
| |
| /* Routine to copy a line from internal frame buffer to QEMU display */ |
| static void fimd_copy_line_toqemu(int width, uint8_t *src, uint8_t *dst) |
| { |
| rgba p; |
| |
| do { |
| src += get_pixel_ifb(src, &p); |
| dst += put_pixel_toqemu(p, dst); |
| } while (--width); |
| } |
| |
| /* Parse BPPMODE_F = WINCON1[5:2] bits */ |
| static void exynos4210_fimd_update_win_bppmode(Exynos4210fimdState *s, int win) |
| { |
| Exynos4210fimdWindow *w = &s->window[win]; |
| |
| if (w->winmap & FIMD_WINMAP_EN) { |
| w->draw_line = draw_line_mapcolor; |
| return; |
| } |
| |
| switch (WIN_BPP_MODE(w)) { |
| case 0: |
| w->draw_line = draw_line_palette_1; |
| w->pixel_to_rgb = |
| palette_data_format[exynos4210_fimd_palette_format(s, win)]; |
| break; |
| case 1: |
| w->draw_line = draw_line_palette_2; |
| w->pixel_to_rgb = |
| palette_data_format[exynos4210_fimd_palette_format(s, win)]; |
| break; |
| case 2: |
| w->draw_line = draw_line_palette_4; |
| w->pixel_to_rgb = |
| palette_data_format[exynos4210_fimd_palette_format(s, win)]; |
| break; |
| case 3: |
| w->draw_line = draw_line_palette_8; |
| w->pixel_to_rgb = |
| palette_data_format[exynos4210_fimd_palette_format(s, win)]; |
| break; |
| case 4: |
| w->draw_line = draw_line_8; |
| w->pixel_to_rgb = pixel_a232_to_rgb; |
| break; |
| case 5: |
| w->draw_line = draw_line_16; |
| w->pixel_to_rgb = pixel_565_to_rgb; |
| break; |
| case 6: |
| w->draw_line = draw_line_16; |
| w->pixel_to_rgb = pixel_a555_to_rgb; |
| break; |
| case 7: |
| w->draw_line = draw_line_16; |
| w->pixel_to_rgb = pixel_1555_to_rgb; |
| break; |
| case 8: |
| w->draw_line = draw_line_32; |
| w->pixel_to_rgb = pixel_666_to_rgb; |
| break; |
| case 9: |
| w->draw_line = draw_line_32; |
| w->pixel_to_rgb = pixel_a665_to_rgb; |
| break; |
| case 10: |
| w->draw_line = draw_line_32; |
| w->pixel_to_rgb = pixel_a666_to_rgb; |
| break; |
| case 11: |
| w->draw_line = draw_line_32; |
| w->pixel_to_rgb = pixel_888_to_rgb; |
| break; |
| case 12: |
| w->draw_line = draw_line_32; |
| w->pixel_to_rgb = pixel_a887_to_rgb; |
| break; |
| case 13: |
| w->draw_line = draw_line_32; |
| if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon & |
| FIMD_WINCON_ALPHA_SEL)) { |
| w->pixel_to_rgb = pixel_8888_to_rgb; |
| } else { |
| w->pixel_to_rgb = pixel_a888_to_rgb; |
| } |
| break; |
| case 14: |
| w->draw_line = draw_line_16; |
| if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon & |
| FIMD_WINCON_ALPHA_SEL)) { |
| w->pixel_to_rgb = pixel_4444_to_rgb; |
| } else { |
| w->pixel_to_rgb = pixel_a444_to_rgb; |
| } |
| break; |
| case 15: |
| w->draw_line = draw_line_16; |
| w->pixel_to_rgb = pixel_555_to_rgb; |
| break; |
| } |
| } |
| |
| #if EXYNOS4210_FIMD_MODE_TRACE > 0 |
| static const char *exynos4210_fimd_get_bppmode(int mode_code) |
| { |
| switch (mode_code) { |
| case 0: |
| return "1 bpp"; |
| case 1: |
| return "2 bpp"; |
| case 2: |
| return "4 bpp"; |
| case 3: |
| return "8 bpp (palettized)"; |
| case 4: |
| return "8 bpp (non-palettized, A: 1-R:2-G:3-B:2)"; |
| case 5: |
| return "16 bpp (non-palettized, R:5-G:6-B:5)"; |
| case 6: |
| return "16 bpp (non-palettized, A:1-R:5-G:5-B:5)"; |
| case 7: |
| return "16 bpp (non-palettized, I :1-R:5-G:5-B:5)"; |
| case 8: |
| return "Unpacked 18 bpp (non-palettized, R:6-G:6-B:6)"; |
| case 9: |
| return "Unpacked 18bpp (non-palettized,A:1-R:6-G:6-B:5)"; |
| case 10: |
| return "Unpacked 19bpp (non-palettized,A:1-R:6-G:6-B:6)"; |
| case 11: |
| return "Unpacked 24 bpp (non-palettized R:8-G:8-B:8)"; |
| case 12: |
| return "Unpacked 24 bpp (non-palettized A:1-R:8-G:8-B:7)"; |
| case 13: |
| return "Unpacked 25 bpp (non-palettized A:1-R:8-G:8-B:8)"; |
| case 14: |
| return "Unpacked 13 bpp (non-palettized A:1-R:4-G:4-B:4)"; |
| case 15: |
| return "Unpacked 15 bpp (non-palettized R:5-G:5-B:5)"; |
| default: |
| return "Non-existing bpp mode"; |
| } |
| } |
| |
| static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s, |
| int win_num, uint32_t val) |
| { |
| Exynos4210fimdWindow *w = &s->window[win_num]; |
| |
| if (w->winmap & FIMD_WINMAP_EN) { |
| printf("QEMU FIMD: Window %d is mapped with MAPCOLOR=0x%x\n", |
| win_num, w->winmap & 0xFFFFFF); |
| return; |
| } |
| |
| if ((val != 0xFFFFFFFF) && ((w->wincon >> 2) & 0xF) == ((val >> 2) & 0xF)) { |
| return; |
| } |
| printf("QEMU FIMD: Window %d BPP mode set to %s\n", win_num, |
| exynos4210_fimd_get_bppmode((val >> 2) & 0xF)); |
| } |
| #else |
| static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s, |
| int win_num, uint32_t val) |
| { |
| |
| } |
| #endif |
| |
| static inline int fimd_get_buffer_id(Exynos4210fimdWindow *w) |
| { |
| switch (w->wincon & FIMD_WINCON_BUFSTATUS) { |
| case FIMD_WINCON_BUF0_STAT: |
| return 0; |
| case FIMD_WINCON_BUF1_STAT: |
| return 1; |
| case FIMD_WINCON_BUF2_STAT: |
| return 2; |
| default: |
| DPRINT_ERROR("Non-existent buffer index\n"); |
| return 0; |
| } |
| } |
| |
| /* Updates specified window's MemorySection based on values of WINCON, |
| * VIDOSDA, VIDOSDB, VIDWADDx and SHADOWCON registers */ |
| static void fimd_update_memory_section(Exynos4210fimdState *s, unsigned win) |
| { |
| Exynos4210fimdWindow *w = &s->window[win]; |
| hwaddr fb_start_addr, fb_mapped_len; |
| |
| if (!s->enabled || !(w->wincon & FIMD_WINCON_ENWIN) || |
| FIMD_WINDOW_PROTECTED(s->shadowcon, win)) { |
| return; |
| } |
| |
| if (w->host_fb_addr) { |
| cpu_physical_memory_unmap(w->host_fb_addr, w->fb_len, 0, 0); |
| w->host_fb_addr = NULL; |
| w->fb_len = 0; |
| } |
| |
| fb_start_addr = w->buf_start[fimd_get_buffer_id(w)]; |
| /* Total number of bytes of virtual screen used by current window */ |
| w->fb_len = fb_mapped_len = (w->virtpage_width + w->virtpage_offsize) * |
| (w->rightbot_y - w->lefttop_y + 1); |
| w->mem_section = memory_region_find(sysbus_address_space(&s->busdev), |
| fb_start_addr, w->fb_len); |
| assert(w->mem_section.mr); |
| assert(w->mem_section.offset_within_address_space == fb_start_addr); |
| DPRINT_TRACE("Window %u framebuffer changed: address=0x%08x, len=0x%x\n", |
| win, fb_start_addr, w->fb_len); |
| |
| if (w->mem_section.size != w->fb_len || |
| !memory_region_is_ram(w->mem_section.mr)) { |
| DPRINT_ERROR("Failed to find window %u framebuffer region\n", win); |
| goto error_return; |
| } |
| |
| w->host_fb_addr = cpu_physical_memory_map(fb_start_addr, &fb_mapped_len, 0); |
| if (!w->host_fb_addr) { |
| DPRINT_ERROR("Failed to map window %u framebuffer\n", win); |
| goto error_return; |
| } |
| |
| if (fb_mapped_len != w->fb_len) { |
| DPRINT_ERROR("Window %u mapped framebuffer length is less then " |
| "expected\n", win); |
| cpu_physical_memory_unmap(w->host_fb_addr, fb_mapped_len, 0, 0); |
| goto error_return; |
| } |
| return; |
| |
| error_return: |
| w->mem_section.mr = NULL; |
| w->mem_section.size = 0; |
| w->host_fb_addr = NULL; |
| w->fb_len = 0; |
| } |
| |
| static void exynos4210_fimd_enable(Exynos4210fimdState *s, bool enabled) |
| { |
| if (enabled && !s->enabled) { |
| unsigned w; |
| s->enabled = true; |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| fimd_update_memory_section(s, w); |
| } |
| } |
| s->enabled = enabled; |
| DPRINT_TRACE("display controller %s\n", enabled ? "enabled" : "disabled"); |
| } |
| |
| static inline uint32_t unpack_upper_4(uint32_t x) |
| { |
| return ((x & 0xF00) << 12) | ((x & 0xF0) << 8) | ((x & 0xF) << 4); |
| } |
| |
| static inline uint32_t pack_upper_4(uint32_t x) |
| { |
| return (((x & 0xF00000) >> 12) | ((x & 0xF000) >> 8) | |
| ((x & 0xF0) >> 4)) & 0xFFF; |
| } |
| |
| static void exynos4210_fimd_update_irq(Exynos4210fimdState *s) |
| { |
| if (!(s->vidintcon[0] & FIMD_VIDINT_INTEN)) { |
| qemu_irq_lower(s->irq[0]); |
| qemu_irq_lower(s->irq[1]); |
| qemu_irq_lower(s->irq[2]); |
| return; |
| } |
| if ((s->vidintcon[0] & FIMD_VIDINT_INTFIFOEN) && |
| (s->vidintcon[1] & FIMD_VIDINT_INTFIFOPEND)) { |
| qemu_irq_raise(s->irq[0]); |
| } else { |
| qemu_irq_lower(s->irq[0]); |
| } |
| if ((s->vidintcon[0] & FIMD_VIDINT_INTFRMEN) && |
| (s->vidintcon[1] & FIMD_VIDINT_INTFRMPEND)) { |
| qemu_irq_raise(s->irq[1]); |
| } else { |
| qemu_irq_lower(s->irq[1]); |
| } |
| if ((s->vidintcon[0] & FIMD_VIDINT_I80IFDONE) && |
| (s->vidintcon[1] & FIMD_VIDINT_INTI80PEND)) { |
| qemu_irq_raise(s->irq[2]); |
| } else { |
| qemu_irq_lower(s->irq[2]); |
| } |
| } |
| |
| static void exynos4210_fimd_invalidate(void *opaque) |
| { |
| Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; |
| s->invalidate = true; |
| } |
| |
| static void exynos4210_update_resolution(Exynos4210fimdState *s) |
| { |
| /* LCD resolution is stored in VIDEO TIME CONTROL REGISTER 2 */ |
| uint32_t width = ((s->vidtcon[2] >> FIMD_VIDTCON2_HOR_SHIFT) & |
| FIMD_VIDTCON2_SIZE_MASK) + 1; |
| uint32_t height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) & |
| FIMD_VIDTCON2_SIZE_MASK) + 1; |
| |
| if (s->ifb == NULL || ds_get_width(s->console) != width || |
| ds_get_height(s->console) != height) { |
| DPRINT_L1("Resolution changed from %ux%u to %ux%u\n", |
| ds_get_width(s->console), ds_get_height(s->console), width, height); |
| qemu_console_resize(s->console, width, height); |
| s->ifb = g_realloc(s->ifb, width * height * RGBA_SIZE + 1); |
| memset(s->ifb, 0, width * height * RGBA_SIZE + 1); |
| exynos4210_fimd_invalidate(s); |
| } |
| } |
| |
| static void exynos4210_fimd_update(void *opaque) |
| { |
| Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; |
| Exynos4210fimdWindow *w; |
| int i, line; |
| hwaddr fb_line_addr, inc_size; |
| int scrn_height; |
| int first_line = -1, last_line = -1, scrn_width; |
| bool blend = false; |
| uint8_t *host_fb_addr; |
| bool is_dirty = false; |
| const int global_width = (s->vidtcon[2] & FIMD_VIDTCON2_SIZE_MASK) + 1; |
| const int global_height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) & |
| FIMD_VIDTCON2_SIZE_MASK) + 1; |
| |
| if (!s || !s->console || !ds_get_bits_per_pixel(s->console) || |
| !s->enabled) { |
| return; |
| } |
| exynos4210_update_resolution(s); |
| |
| for (i = 0; i < NUM_OF_WINDOWS; i++) { |
| w = &s->window[i]; |
| if ((w->wincon & FIMD_WINCON_ENWIN) && w->host_fb_addr) { |
| scrn_height = w->rightbot_y - w->lefttop_y + 1; |
| scrn_width = w->virtpage_width; |
| /* Total width of virtual screen page in bytes */ |
| inc_size = scrn_width + w->virtpage_offsize; |
| memory_region_sync_dirty_bitmap(w->mem_section.mr); |
| host_fb_addr = w->host_fb_addr; |
| fb_line_addr = w->mem_section.offset_within_region; |
| |
| for (line = 0; line < scrn_height; line++) { |
| is_dirty = memory_region_get_dirty(w->mem_section.mr, |
| fb_line_addr, scrn_width, DIRTY_MEMORY_VGA); |
| |
| if (s->invalidate || is_dirty) { |
| if (first_line == -1) { |
| first_line = line; |
| } |
| last_line = line; |
| w->draw_line(w, host_fb_addr, s->ifb + |
| w->lefttop_x * RGBA_SIZE + (w->lefttop_y + line) * |
| global_width * RGBA_SIZE, blend); |
| } |
| host_fb_addr += inc_size; |
| fb_line_addr += inc_size; |
| is_dirty = false; |
| } |
| memory_region_reset_dirty(w->mem_section.mr, |
| w->mem_section.offset_within_region, |
| w->fb_len, DIRTY_MEMORY_VGA); |
| blend = true; |
| } |
| } |
| |
| /* Copy resulting image to QEMU_CONSOLE. */ |
| if (first_line >= 0) { |
| uint8_t *d; |
| int bpp; |
| |
| bpp = ds_get_bits_per_pixel(s->console); |
| fimd_update_putpix_qemu(bpp); |
| bpp = (bpp + 1) >> 3; |
| d = ds_get_data(s->console); |
| for (line = first_line; line <= last_line; line++) { |
| fimd_copy_line_toqemu(global_width, s->ifb + global_width * line * |
| RGBA_SIZE, d + global_width * line * bpp); |
| } |
| dpy_gfx_update(s->console, 0, 0, global_width, global_height); |
| } |
| s->invalidate = false; |
| s->vidintcon[1] |= FIMD_VIDINT_INTFRMPEND; |
| if ((s->vidcon[0] & FIMD_VIDCON0_ENVID_F) == 0) { |
| exynos4210_fimd_enable(s, false); |
| } |
| exynos4210_fimd_update_irq(s); |
| } |
| |
| static void exynos4210_fimd_reset(DeviceState *d) |
| { |
| Exynos4210fimdState *s = DO_UPCAST(Exynos4210fimdState, busdev.qdev, d); |
| unsigned w; |
| |
| DPRINT_TRACE("Display controller reset\n"); |
| /* Set all display controller registers to 0 */ |
| memset(&s->vidcon, 0, (uint8_t *)&s->window - (uint8_t *)&s->vidcon); |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| memset(&s->window[w], 0, sizeof(Exynos4210fimdWindow)); |
| s->window[w].blendeq = 0xC2; |
| exynos4210_fimd_update_win_bppmode(s, w); |
| exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF); |
| fimd_update_get_alpha(s, w); |
| } |
| |
| if (s->ifb != NULL) { |
| g_free(s->ifb); |
| } |
| s->ifb = NULL; |
| |
| exynos4210_fimd_invalidate(s); |
| exynos4210_fimd_enable(s, false); |
| /* Some registers have non-zero initial values */ |
| s->winchmap = 0x7D517D51; |
| s->colorgaincon = 0x10040100; |
| s->huecoef_cr[0] = s->huecoef_cr[3] = 0x01000100; |
| s->huecoef_cb[0] = s->huecoef_cb[3] = 0x01000100; |
| s->hueoffset = 0x01800080; |
| } |
| |
| static void exynos4210_fimd_write(void *opaque, hwaddr offset, |
| uint64_t val, unsigned size) |
| { |
| Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; |
| unsigned w, i; |
| uint32_t old_value; |
| |
| DPRINT_L2("write offset 0x%08x, value=%llu(0x%08llx)\n", offset, |
| (long long unsigned int)val, (long long unsigned int)val); |
| |
| switch (offset) { |
| case FIMD_VIDCON0: |
| if ((val & FIMD_VIDCON0_ENVID_MASK) == FIMD_VIDCON0_ENVID_MASK) { |
| exynos4210_fimd_enable(s, true); |
| } else { |
| if ((val & FIMD_VIDCON0_ENVID) == 0) { |
| exynos4210_fimd_enable(s, false); |
| } |
| } |
| s->vidcon[0] = val; |
| break; |
| case FIMD_VIDCON1: |
| /* Leave read-only bits as is */ |
| val = (val & (~FIMD_VIDCON1_ROMASK)) | |
| (s->vidcon[1] & FIMD_VIDCON1_ROMASK); |
| s->vidcon[1] = val; |
| break; |
| case FIMD_VIDCON2 ... FIMD_VIDCON3: |
| s->vidcon[(offset) >> 2] = val; |
| break; |
| case FIMD_VIDTCON_START ... FIMD_VIDTCON_END: |
| s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2] = val; |
| break; |
| case FIMD_WINCON_START ... FIMD_WINCON_END: |
| w = (offset - FIMD_WINCON_START) >> 2; |
| /* Window's current buffer ID */ |
| i = fimd_get_buffer_id(&s->window[w]); |
| old_value = s->window[w].wincon; |
| val = (val & ~FIMD_WINCON_ROMASK) | |
| (s->window[w].wincon & FIMD_WINCON_ROMASK); |
| if (w == 0) { |
| /* Window 0 wincon ALPHA_MUL bit must always be 0 */ |
| val &= ~FIMD_WINCON_ALPHA_MUL; |
| } |
| exynos4210_fimd_trace_bppmode(s, w, val); |
| switch (val & FIMD_WINCON_BUFSELECT) { |
| case FIMD_WINCON_BUF0_SEL: |
| val &= ~FIMD_WINCON_BUFSTATUS; |
| break; |
| case FIMD_WINCON_BUF1_SEL: |
| val = (val & ~FIMD_WINCON_BUFSTAT_H) | FIMD_WINCON_BUFSTAT_L; |
| break; |
| case FIMD_WINCON_BUF2_SEL: |
| if (val & FIMD_WINCON_BUFMODE) { |
| val = (val & ~FIMD_WINCON_BUFSTAT_L) | FIMD_WINCON_BUFSTAT_H; |
| } |
| break; |
| default: |
| break; |
| } |
| s->window[w].wincon = val; |
| exynos4210_fimd_update_win_bppmode(s, w); |
| fimd_update_get_alpha(s, w); |
| if ((i != fimd_get_buffer_id(&s->window[w])) || |
| (!(old_value & FIMD_WINCON_ENWIN) && (s->window[w].wincon & |
| FIMD_WINCON_ENWIN))) { |
| fimd_update_memory_section(s, w); |
| } |
| break; |
| case FIMD_SHADOWCON: |
| old_value = s->shadowcon; |
| s->shadowcon = val; |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| if (FIMD_WINDOW_PROTECTED(old_value, w) && |
| !FIMD_WINDOW_PROTECTED(s->shadowcon, w)) { |
| fimd_update_memory_section(s, w); |
| } |
| } |
| break; |
| case FIMD_WINCHMAP: |
| s->winchmap = val; |
| break; |
| case FIMD_VIDOSD_START ... FIMD_VIDOSD_END: |
| w = (offset - FIMD_VIDOSD_START) >> 4; |
| i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2; |
| switch (i) { |
| case 0: |
| old_value = s->window[w].lefttop_y; |
| s->window[w].lefttop_x = (val >> FIMD_VIDOSD_HOR_SHIFT) & |
| FIMD_VIDOSD_COORD_MASK; |
| s->window[w].lefttop_y = (val >> FIMD_VIDOSD_VER_SHIFT) & |
| FIMD_VIDOSD_COORD_MASK; |
| if (s->window[w].lefttop_y != old_value) { |
| fimd_update_memory_section(s, w); |
| } |
| break; |
| case 1: |
| old_value = s->window[w].rightbot_y; |
| s->window[w].rightbot_x = (val >> FIMD_VIDOSD_HOR_SHIFT) & |
| FIMD_VIDOSD_COORD_MASK; |
| s->window[w].rightbot_y = (val >> FIMD_VIDOSD_VER_SHIFT) & |
| FIMD_VIDOSD_COORD_MASK; |
| if (s->window[w].rightbot_y != old_value) { |
| fimd_update_memory_section(s, w); |
| } |
| break; |
| case 2: |
| if (w == 0) { |
| s->window[w].osdsize = val; |
| } else { |
| s->window[w].alpha_val[0] = |
| unpack_upper_4((val & FIMD_VIDOSD_ALPHA_AEN0) >> |
| FIMD_VIDOSD_AEN0_SHIFT) | |
| (s->window[w].alpha_val[0] & FIMD_VIDALPHA_ALPHA_LOWER); |
| s->window[w].alpha_val[1] = |
| unpack_upper_4(val & FIMD_VIDOSD_ALPHA_AEN1) | |
| (s->window[w].alpha_val[1] & FIMD_VIDALPHA_ALPHA_LOWER); |
| } |
| break; |
| case 3: |
| if (w != 1 && w != 2) { |
| DPRINT_ERROR("Bad write offset 0x%08x\n", offset); |
| return; |
| } |
| s->window[w].osdsize = val; |
| break; |
| } |
| break; |
| case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END: |
| w = (offset - FIMD_VIDWADD0_START) >> 3; |
| i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1; |
| if (i == fimd_get_buffer_id(&s->window[w]) && |
| s->window[w].buf_start[i] != val) { |
| s->window[w].buf_start[i] = val; |
| fimd_update_memory_section(s, w); |
| break; |
| } |
| s->window[w].buf_start[i] = val; |
| break; |
| case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END: |
| w = (offset - FIMD_VIDWADD1_START) >> 3; |
| i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1; |
| s->window[w].buf_end[i] = val; |
| break; |
| case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END: |
| w = (offset - FIMD_VIDWADD2_START) >> 2; |
| if (((val & FIMD_VIDWADD2_PAGEWIDTH) != s->window[w].virtpage_width) || |
| (((val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE) != |
| s->window[w].virtpage_offsize)) { |
| s->window[w].virtpage_width = val & FIMD_VIDWADD2_PAGEWIDTH; |
| s->window[w].virtpage_offsize = |
| (val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE; |
| fimd_update_memory_section(s, w); |
| } |
| break; |
| case FIMD_VIDINTCON0: |
| s->vidintcon[0] = val; |
| break; |
| case FIMD_VIDINTCON1: |
| s->vidintcon[1] &= ~(val & 7); |
| exynos4210_fimd_update_irq(s); |
| break; |
| case FIMD_WKEYCON_START ... FIMD_WKEYCON_END: |
| w = ((offset - FIMD_WKEYCON_START) >> 3) + 1; |
| i = ((offset - FIMD_WKEYCON_START) >> 2) & 1; |
| s->window[w].keycon[i] = val; |
| break; |
| case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END: |
| w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1; |
| s->window[w].keyalpha = val; |
| break; |
| case FIMD_DITHMODE: |
| s->dithmode = val; |
| break; |
| case FIMD_WINMAP_START ... FIMD_WINMAP_END: |
| w = (offset - FIMD_WINMAP_START) >> 2; |
| old_value = s->window[w].winmap; |
| s->window[w].winmap = val; |
| if ((val & FIMD_WINMAP_EN) ^ (old_value & FIMD_WINMAP_EN)) { |
| exynos4210_fimd_invalidate(s); |
| exynos4210_fimd_update_win_bppmode(s, w); |
| exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF); |
| exynos4210_fimd_update(s); |
| } |
| break; |
| case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW: |
| i = (offset - FIMD_WPALCON_HIGH) >> 2; |
| s->wpalcon[i] = val; |
| if (s->wpalcon[1] & FIMD_WPALCON_UPDATEEN) { |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| exynos4210_fimd_update_win_bppmode(s, w); |
| fimd_update_get_alpha(s, w); |
| } |
| } |
| break; |
| case FIMD_TRIGCON: |
| val = (val & ~FIMD_TRIGCON_ROMASK) | (s->trigcon & FIMD_TRIGCON_ROMASK); |
| s->trigcon = val; |
| break; |
| case FIMD_I80IFCON_START ... FIMD_I80IFCON_END: |
| s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2] = val; |
| break; |
| case FIMD_COLORGAINCON: |
| s->colorgaincon = val; |
| break; |
| case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1: |
| s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2] = val; |
| break; |
| case FIMD_SIFCCON0 ... FIMD_SIFCCON2: |
| i = (offset - FIMD_SIFCCON0) >> 2; |
| if (i != 2) { |
| s->sifccon[i] = val; |
| } |
| break; |
| case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END: |
| i = (offset - FIMD_HUECOEFCR_START) >> 2; |
| s->huecoef_cr[i] = val; |
| break; |
| case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END: |
| i = (offset - FIMD_HUECOEFCB_START) >> 2; |
| s->huecoef_cb[i] = val; |
| break; |
| case FIMD_HUEOFFSET: |
| s->hueoffset = val; |
| break; |
| case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END: |
| w = ((offset - FIMD_VIDWALPHA_START) >> 3); |
| i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1; |
| if (w == 0) { |
| s->window[w].alpha_val[i] = val; |
| } else { |
| s->window[w].alpha_val[i] = (val & FIMD_VIDALPHA_ALPHA_LOWER) | |
| (s->window[w].alpha_val[i] & FIMD_VIDALPHA_ALPHA_UPPER); |
| } |
| break; |
| case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END: |
| s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq = val; |
| break; |
| case FIMD_BLENDCON: |
| old_value = s->blendcon; |
| s->blendcon = val; |
| if ((s->blendcon & FIMD_ALPHA_8BIT) != (old_value & FIMD_ALPHA_8BIT)) { |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| fimd_update_get_alpha(s, w); |
| } |
| } |
| break; |
| case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END: |
| s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon = val; |
| break; |
| case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END: |
| s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2] = val; |
| break; |
| case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2: |
| if (offset & 0x0004) { |
| DPRINT_ERROR("bad write offset 0x%08x\n", offset); |
| break; |
| } |
| w = (offset - FIMD_VIDW0ADD0_B2) >> 3; |
| if (fimd_get_buffer_id(&s->window[w]) == 2 && |
| s->window[w].buf_start[2] != val) { |
| s->window[w].buf_start[2] = val; |
| fimd_update_memory_section(s, w); |
| break; |
| } |
| s->window[w].buf_start[2] = val; |
| break; |
| case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END: |
| if (offset & 0x0004) { |
| DPRINT_ERROR("bad write offset 0x%08x\n", offset); |
| break; |
| } |
| s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start = val; |
| break; |
| case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END: |
| if (offset & 0x0004) { |
| DPRINT_ERROR("bad write offset 0x%08x\n", offset); |
| break; |
| } |
| s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end = val; |
| break; |
| case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END: |
| s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size = val; |
| break; |
| case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END: |
| w = (offset - FIMD_PAL_MEM_START) >> 10; |
| i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF; |
| s->window[w].palette[i] = val; |
| break; |
| case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END: |
| /* Palette memory aliases for windows 0 and 1 */ |
| w = (offset - FIMD_PALMEM_AL_START) >> 10; |
| i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF; |
| s->window[w].palette[i] = val; |
| break; |
| default: |
| DPRINT_ERROR("bad write offset 0x%08x\n", offset); |
| break; |
| } |
| } |
| |
| static uint64_t exynos4210_fimd_read(void *opaque, hwaddr offset, |
| unsigned size) |
| { |
| Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; |
| int w, i; |
| uint32_t ret = 0; |
| |
| DPRINT_L2("read offset 0x%08x\n", offset); |
| |
| switch (offset) { |
| case FIMD_VIDCON0 ... FIMD_VIDCON3: |
| return s->vidcon[(offset - FIMD_VIDCON0) >> 2]; |
| case FIMD_VIDTCON_START ... FIMD_VIDTCON_END: |
| return s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2]; |
| case FIMD_WINCON_START ... FIMD_WINCON_END: |
| return s->window[(offset - FIMD_WINCON_START) >> 2].wincon; |
| case FIMD_SHADOWCON: |
| return s->shadowcon; |
| case FIMD_WINCHMAP: |
| return s->winchmap; |
| case FIMD_VIDOSD_START ... FIMD_VIDOSD_END: |
| w = (offset - FIMD_VIDOSD_START) >> 4; |
| i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2; |
| switch (i) { |
| case 0: |
| ret = ((s->window[w].lefttop_x & FIMD_VIDOSD_COORD_MASK) << |
| FIMD_VIDOSD_HOR_SHIFT) | |
| (s->window[w].lefttop_y & FIMD_VIDOSD_COORD_MASK); |
| break; |
| case 1: |
| ret = ((s->window[w].rightbot_x & FIMD_VIDOSD_COORD_MASK) << |
| FIMD_VIDOSD_HOR_SHIFT) | |
| (s->window[w].rightbot_y & FIMD_VIDOSD_COORD_MASK); |
| break; |
| case 2: |
| if (w == 0) { |
| ret = s->window[w].osdsize; |
| } else { |
| ret = (pack_upper_4(s->window[w].alpha_val[0]) << |
| FIMD_VIDOSD_AEN0_SHIFT) | |
| pack_upper_4(s->window[w].alpha_val[1]); |
| } |
| break; |
| case 3: |
| if (w != 1 && w != 2) { |
| DPRINT_ERROR("bad read offset 0x%08x\n", offset); |
| return 0xBAADBAAD; |
| } |
| ret = s->window[w].osdsize; |
| break; |
| } |
| return ret; |
| case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END: |
| w = (offset - FIMD_VIDWADD0_START) >> 3; |
| i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1; |
| return s->window[w].buf_start[i]; |
| case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END: |
| w = (offset - FIMD_VIDWADD1_START) >> 3; |
| i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1; |
| return s->window[w].buf_end[i]; |
| case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END: |
| w = (offset - FIMD_VIDWADD2_START) >> 2; |
| return s->window[w].virtpage_width | (s->window[w].virtpage_offsize << |
| FIMD_VIDWADD2_OFFSIZE_SHIFT); |
| case FIMD_VIDINTCON0 ... FIMD_VIDINTCON1: |
| return s->vidintcon[(offset - FIMD_VIDINTCON0) >> 2]; |
| case FIMD_WKEYCON_START ... FIMD_WKEYCON_END: |
| w = ((offset - FIMD_WKEYCON_START) >> 3) + 1; |
| i = ((offset - FIMD_WKEYCON_START) >> 2) & 1; |
| return s->window[w].keycon[i]; |
| case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END: |
| w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1; |
| return s->window[w].keyalpha; |
| case FIMD_DITHMODE: |
| return s->dithmode; |
| case FIMD_WINMAP_START ... FIMD_WINMAP_END: |
| return s->window[(offset - FIMD_WINMAP_START) >> 2].winmap; |
| case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW: |
| return s->wpalcon[(offset - FIMD_WPALCON_HIGH) >> 2]; |
| case FIMD_TRIGCON: |
| return s->trigcon; |
| case FIMD_I80IFCON_START ... FIMD_I80IFCON_END: |
| return s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2]; |
| case FIMD_COLORGAINCON: |
| return s->colorgaincon; |
| case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1: |
| return s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2]; |
| case FIMD_SIFCCON0 ... FIMD_SIFCCON2: |
| i = (offset - FIMD_SIFCCON0) >> 2; |
| return s->sifccon[i]; |
| case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END: |
| i = (offset - FIMD_HUECOEFCR_START) >> 2; |
| return s->huecoef_cr[i]; |
| case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END: |
| i = (offset - FIMD_HUECOEFCB_START) >> 2; |
| return s->huecoef_cb[i]; |
| case FIMD_HUEOFFSET: |
| return s->hueoffset; |
| case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END: |
| w = ((offset - FIMD_VIDWALPHA_START) >> 3); |
| i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1; |
| return s->window[w].alpha_val[i] & |
| (w == 0 ? 0xFFFFFF : FIMD_VIDALPHA_ALPHA_LOWER); |
| case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END: |
| return s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq; |
| case FIMD_BLENDCON: |
| return s->blendcon; |
| case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END: |
| return s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon; |
| case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END: |
| return s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2]; |
| case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2: |
| if (offset & 0x0004) { |
| break; |
| } |
| return s->window[(offset - FIMD_VIDW0ADD0_B2) >> 3].buf_start[2]; |
| case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END: |
| if (offset & 0x0004) { |
| break; |
| } |
| return s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start; |
| case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END: |
| if (offset & 0x0004) { |
| break; |
| } |
| return s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end; |
| case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END: |
| return s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size; |
| case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END: |
| w = (offset - FIMD_PAL_MEM_START) >> 10; |
| i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF; |
| return s->window[w].palette[i]; |
| case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END: |
| /* Palette aliases for win 0,1 */ |
| w = (offset - FIMD_PALMEM_AL_START) >> 10; |
| i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF; |
| return s->window[w].palette[i]; |
| } |
| |
| DPRINT_ERROR("bad read offset 0x%08x\n", offset); |
| return 0xBAADBAAD; |
| } |
| |
| static const MemoryRegionOps exynos4210_fimd_mmio_ops = { |
| .read = exynos4210_fimd_read, |
| .write = exynos4210_fimd_write, |
| .valid = { |
| .min_access_size = 4, |
| .max_access_size = 4, |
| .unaligned = false |
| }, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| static int exynos4210_fimd_load(void *opaque, int version_id) |
| { |
| Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; |
| int w; |
| |
| if (version_id != 1) { |
| return -EINVAL; |
| } |
| |
| for (w = 0; w < NUM_OF_WINDOWS; w++) { |
| exynos4210_fimd_update_win_bppmode(s, w); |
| fimd_update_get_alpha(s, w); |
| fimd_update_memory_section(s, w); |
| } |
| |
| /* Redraw the whole screen */ |
| exynos4210_update_resolution(s); |
| exynos4210_fimd_invalidate(s); |
| exynos4210_fimd_enable(s, (s->vidcon[0] & FIMD_VIDCON0_ENVID_MASK) == |
| FIMD_VIDCON0_ENVID_MASK); |
| return 0; |
| } |
| |
| static const VMStateDescription exynos4210_fimd_window_vmstate = { |
| .name = "exynos4210.fimd_window", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT32(wincon, Exynos4210fimdWindow), |
| VMSTATE_UINT32_ARRAY(buf_start, Exynos4210fimdWindow, 3), |
| VMSTATE_UINT32_ARRAY(buf_end, Exynos4210fimdWindow, 3), |
| VMSTATE_UINT32_ARRAY(keycon, Exynos4210fimdWindow, 2), |
| VMSTATE_UINT32(keyalpha, Exynos4210fimdWindow), |
| VMSTATE_UINT32(winmap, Exynos4210fimdWindow), |
| VMSTATE_UINT32(blendeq, Exynos4210fimdWindow), |
| VMSTATE_UINT32(rtqoscon, Exynos4210fimdWindow), |
| VMSTATE_UINT32_ARRAY(palette, Exynos4210fimdWindow, 256), |
| VMSTATE_UINT32(shadow_buf_start, Exynos4210fimdWindow), |
| VMSTATE_UINT32(shadow_buf_end, Exynos4210fimdWindow), |
| VMSTATE_UINT32(shadow_buf_size, Exynos4210fimdWindow), |
| VMSTATE_UINT16(lefttop_x, Exynos4210fimdWindow), |
| VMSTATE_UINT16(lefttop_y, Exynos4210fimdWindow), |
| VMSTATE_UINT16(rightbot_x, Exynos4210fimdWindow), |
| VMSTATE_UINT16(rightbot_y, Exynos4210fimdWindow), |
| VMSTATE_UINT32(osdsize, Exynos4210fimdWindow), |
| VMSTATE_UINT32_ARRAY(alpha_val, Exynos4210fimdWindow, 2), |
| VMSTATE_UINT16(virtpage_width, Exynos4210fimdWindow), |
| VMSTATE_UINT16(virtpage_offsize, Exynos4210fimdWindow), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static const VMStateDescription exynos4210_fimd_vmstate = { |
| .name = "exynos4210.fimd", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .post_load = exynos4210_fimd_load, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT32_ARRAY(vidcon, Exynos4210fimdState, 4), |
| VMSTATE_UINT32_ARRAY(vidtcon, Exynos4210fimdState, 4), |
| VMSTATE_UINT32(shadowcon, Exynos4210fimdState), |
| VMSTATE_UINT32(winchmap, Exynos4210fimdState), |
| VMSTATE_UINT32_ARRAY(vidintcon, Exynos4210fimdState, 2), |
| VMSTATE_UINT32(dithmode, Exynos4210fimdState), |
| VMSTATE_UINT32_ARRAY(wpalcon, Exynos4210fimdState, 2), |
| VMSTATE_UINT32(trigcon, Exynos4210fimdState), |
| VMSTATE_UINT32_ARRAY(i80ifcon, Exynos4210fimdState, 4), |
| VMSTATE_UINT32(colorgaincon, Exynos4210fimdState), |
| VMSTATE_UINT32_ARRAY(ldi_cmdcon, Exynos4210fimdState, 2), |
| VMSTATE_UINT32_ARRAY(sifccon, Exynos4210fimdState, 3), |
| VMSTATE_UINT32_ARRAY(huecoef_cr, Exynos4210fimdState, 4), |
| VMSTATE_UINT32_ARRAY(huecoef_cb, Exynos4210fimdState, 4), |
| VMSTATE_UINT32(hueoffset, Exynos4210fimdState), |
| VMSTATE_UINT32_ARRAY(i80ifcmd, Exynos4210fimdState, 12), |
| VMSTATE_UINT32(blendcon, Exynos4210fimdState), |
| VMSTATE_STRUCT_ARRAY(window, Exynos4210fimdState, 5, 1, |
| exynos4210_fimd_window_vmstate, Exynos4210fimdWindow), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static int exynos4210_fimd_init(SysBusDevice *dev) |
| { |
| Exynos4210fimdState *s = FROM_SYSBUS(Exynos4210fimdState, dev); |
| |
| s->ifb = NULL; |
| |
| sysbus_init_irq(dev, &s->irq[0]); |
| sysbus_init_irq(dev, &s->irq[1]); |
| sysbus_init_irq(dev, &s->irq[2]); |
| |
| memory_region_init_io(&s->iomem, &exynos4210_fimd_mmio_ops, s, |
| "exynos4210.fimd", FIMD_REGS_SIZE); |
| sysbus_init_mmio(dev, &s->iomem); |
| s->console = graphic_console_init(exynos4210_fimd_update, |
| exynos4210_fimd_invalidate, NULL, NULL, s); |
| |
| return 0; |
| } |
| |
| static void exynos4210_fimd_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
| |
| dc->vmsd = &exynos4210_fimd_vmstate; |
| dc->reset = exynos4210_fimd_reset; |
| k->init = exynos4210_fimd_init; |
| } |
| |
| static TypeInfo exynos4210_fimd_info = { |
| .name = "exynos4210.fimd", |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .instance_size = sizeof(Exynos4210fimdState), |
| .class_init = exynos4210_fimd_class_init, |
| }; |
| |
| static void exynos4210_fimd_register_types(void) |
| { |
| type_register_static(&exynos4210_fimd_info); |
| } |
| |
| type_init(exynos4210_fimd_register_types) |
