From 30628cb12de2e35d87cb04194113341b6a8922b2 Mon Sep 17 00:00:00 2001 From: Mitsyanko Igor Date: Thu, 16 Feb 2012 09:56:06 +0000 Subject: [PATCH] Exynos4210: added display controller implementation Exynos4210 display controller (FIMD) has 5 hardware windows with alpha and chroma key blending functions. Signed-off-by: Mitsyanko Igor Signed-off-by: Evgeny Voevodin Signed-off-by: Peter Maydell --- Makefile.target | 2 +- hw/exynos4210.c | 10 + hw/exynos4210_fimd.c | 1928 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1939 insertions(+), 1 deletion(-) create mode 100644 hw/exynos4210_fimd.c diff --git a/Makefile.target b/Makefile.target index 6ceff544af..2defdc4ba4 100644 --- a/Makefile.target +++ b/Makefile.target @@ -346,7 +346,7 @@ obj-arm-y += versatile_pci.o obj-arm-y += realview_gic.o realview.o arm_sysctl.o arm11mpcore.o a9mpcore.o obj-arm-y += exynos4210_gic.o exynos4210_combiner.o exynos4210.o obj-arm-y += exynos4_boards.o exynos4210_uart.o exynos4210_pwm.o -obj-arm-y += exynos4210_pmu.o exynos4210_mct.o +obj-arm-y += exynos4210_pmu.o exynos4210_mct.o exynos4210_fimd.o obj-arm-y += arm_l2x0.o obj-arm-y += arm_mptimer.o obj-arm-y += armv7m.o armv7m_nvic.o stellaris.o pl022.o stellaris_enet.o diff --git a/hw/exynos4210.c b/hw/exynos4210.c index 558f6697e3..f904370505 100644 --- a/hw/exynos4210.c +++ b/hw/exynos4210.c @@ -58,6 +58,9 @@ /* PMU SFR base address */ #define EXYNOS4210_PMU_BASE_ADDR 0x10020000 +/* Display controllers (FIMD) */ +#define EXYNOS4210_FIMD0_BASE_ADDR 0x11C00000 + static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43, 0x09, 0x00, 0x00, 0x00 }; @@ -256,5 +259,12 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem, EXYNOS4210_UART3_FIFO_SIZE, 3, NULL, s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]); + /*** Display controller (FIMD) ***/ + sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR, + s->irq_table[exynos4210_get_irq(11, 0)], + s->irq_table[exynos4210_get_irq(11, 1)], + s->irq_table[exynos4210_get_irq(11, 2)], + NULL); + return s; } diff --git a/hw/exynos4210_fimd.c b/hw/exynos4210_fimd.c new file mode 100644 index 0000000000..3313f00a71 --- /dev/null +++ b/hw/exynos4210_fimd.c @@ -0,0 +1,1928 @@ +/* + * 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 + * + * Contributed by Mitsyanko Igor + * + * 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 . + */ + +#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 */ + target_phys_addr_t 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]; + target_phys_addr_t 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; + target_phys_addr_t 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_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, target_phys_addr_t 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, target_phys_addr_t 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)