/* * QEMU SM501 Device * * Copyright (c) 2008 Shin-ichiro KAWASAKI * Copyright (c) 2016 BALATON Zoltan * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" #include "qemu/log.h" #include "qemu-common.h" #include "cpu.h" #include "hw/hw.h" #include "hw/char/serial.h" #include "ui/console.h" #include "hw/devices.h" #include "hw/sysbus.h" #include "hw/pci/pci.h" #include "hw/i2c/i2c.h" #include "hw/i2c/i2c-ddc.h" #include "qemu/range.h" #include "ui/pixel_ops.h" /* * Status: 2010/05/07 * - Minimum implementation for Linux console : mmio regs and CRT layer. * - 2D graphics acceleration partially supported : only fill rectangle. * * Status: 2016/12/04 * - Misc fixes: endianness, hardware cursor * - Panel support * * TODO: * - Touch panel support * - USB support * - UART support * - More 2D graphics engine support * - Performance tuning */ /*#define DEBUG_SM501*/ /*#define DEBUG_BITBLT*/ #ifdef DEBUG_SM501 #define SM501_DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__) #else #define SM501_DPRINTF(fmt, ...) do {} while (0) #endif #define MMIO_BASE_OFFSET 0x3e00000 #define MMIO_SIZE 0x200000 #define DC_PALETTE_ENTRIES (0x400 * 3) /* SM501 register definitions taken from "linux/include/linux/sm501-regs.h" */ /* System Configuration area */ /* System config base */ #define SM501_SYS_CONFIG (0x000000) /* config 1 */ #define SM501_SYSTEM_CONTROL (0x000000) #define SM501_SYSCTRL_PANEL_TRISTATE (1 << 0) #define SM501_SYSCTRL_MEM_TRISTATE (1 << 1) #define SM501_SYSCTRL_CRT_TRISTATE (1 << 2) #define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3 << 4) #define SM501_SYSCTRL_PCI_SLAVE_BURST_1 (0 << 4) #define SM501_SYSCTRL_PCI_SLAVE_BURST_2 (1 << 4) #define SM501_SYSCTRL_PCI_SLAVE_BURST_4 (2 << 4) #define SM501_SYSCTRL_PCI_SLAVE_BURST_8 (3 << 4) #define SM501_SYSCTRL_PCI_CLOCK_RUN_EN (1 << 6) #define SM501_SYSCTRL_PCI_RETRY_DISABLE (1 << 7) #define SM501_SYSCTRL_PCI_SUBSYS_LOCK (1 << 11) #define SM501_SYSCTRL_PCI_BURST_READ_EN (1 << 15) /* miscellaneous control */ #define SM501_MISC_CONTROL (0x000004) #define SM501_MISC_BUS_SH (0x0) #define SM501_MISC_BUS_PCI (0x1) #define SM501_MISC_BUS_XSCALE (0x2) #define SM501_MISC_BUS_NEC (0x6) #define SM501_MISC_BUS_MASK (0x7) #define SM501_MISC_VR_62MB (1 << 3) #define SM501_MISC_CDR_RESET (1 << 7) #define SM501_MISC_USB_LB (1 << 8) #define SM501_MISC_USB_SLAVE (1 << 9) #define SM501_MISC_BL_1 (1 << 10) #define SM501_MISC_MC (1 << 11) #define SM501_MISC_DAC_POWER (1 << 12) #define SM501_MISC_IRQ_INVERT (1 << 16) #define SM501_MISC_SH (1 << 17) #define SM501_MISC_HOLD_EMPTY (0 << 18) #define SM501_MISC_HOLD_8 (1 << 18) #define SM501_MISC_HOLD_16 (2 << 18) #define SM501_MISC_HOLD_24 (3 << 18) #define SM501_MISC_HOLD_32 (4 << 18) #define SM501_MISC_HOLD_MASK (7 << 18) #define SM501_MISC_FREQ_12 (1 << 24) #define SM501_MISC_PNL_24BIT (1 << 25) #define SM501_MISC_8051_LE (1 << 26) #define SM501_GPIO31_0_CONTROL (0x000008) #define SM501_GPIO63_32_CONTROL (0x00000C) #define SM501_DRAM_CONTROL (0x000010) /* command list */ #define SM501_ARBTRTN_CONTROL (0x000014) /* command list */ #define SM501_COMMAND_LIST_STATUS (0x000024) /* interrupt debug */ #define SM501_RAW_IRQ_STATUS (0x000028) #define SM501_RAW_IRQ_CLEAR (0x000028) #define SM501_IRQ_STATUS (0x00002C) #define SM501_IRQ_MASK (0x000030) #define SM501_DEBUG_CONTROL (0x000034) /* power management */ #define SM501_POWERMODE_P2X_SRC (1 << 29) #define SM501_POWERMODE_V2X_SRC (1 << 20) #define SM501_POWERMODE_M_SRC (1 << 12) #define SM501_POWERMODE_M1_SRC (1 << 4) #define SM501_CURRENT_GATE (0x000038) #define SM501_CURRENT_CLOCK (0x00003C) #define SM501_POWER_MODE_0_GATE (0x000040) #define SM501_POWER_MODE_0_CLOCK (0x000044) #define SM501_POWER_MODE_1_GATE (0x000048) #define SM501_POWER_MODE_1_CLOCK (0x00004C) #define SM501_SLEEP_MODE_GATE (0x000050) #define SM501_POWER_MODE_CONTROL (0x000054) /* power gates for units within the 501 */ #define SM501_GATE_HOST (0) #define SM501_GATE_MEMORY (1) #define SM501_GATE_DISPLAY (2) #define SM501_GATE_2D_ENGINE (3) #define SM501_GATE_CSC (4) #define SM501_GATE_ZVPORT (5) #define SM501_GATE_GPIO (6) #define SM501_GATE_UART0 (7) #define SM501_GATE_UART1 (8) #define SM501_GATE_SSP (10) #define SM501_GATE_USB_HOST (11) #define SM501_GATE_USB_GADGET (12) #define SM501_GATE_UCONTROLLER (17) #define SM501_GATE_AC97 (18) /* panel clock */ #define SM501_CLOCK_P2XCLK (24) /* crt clock */ #define SM501_CLOCK_V2XCLK (16) /* main clock */ #define SM501_CLOCK_MCLK (8) /* SDRAM controller clock */ #define SM501_CLOCK_M1XCLK (0) /* config 2 */ #define SM501_PCI_MASTER_BASE (0x000058) #define SM501_ENDIAN_CONTROL (0x00005C) #define SM501_DEVICEID (0x000060) /* 0x050100A0 */ #define SM501_DEVICEID_SM501 (0x05010000) #define SM501_DEVICEID_IDMASK (0xffff0000) #define SM501_DEVICEID_REVMASK (0x000000ff) #define SM501_PLLCLOCK_COUNT (0x000064) #define SM501_MISC_TIMING (0x000068) #define SM501_CURRENT_SDRAM_CLOCK (0x00006C) #define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074) /* GPIO base */ #define SM501_GPIO (0x010000) #define SM501_GPIO_DATA_LOW (0x00) #define SM501_GPIO_DATA_HIGH (0x04) #define SM501_GPIO_DDR_LOW (0x08) #define SM501_GPIO_DDR_HIGH (0x0C) #define SM501_GPIO_IRQ_SETUP (0x10) #define SM501_GPIO_IRQ_STATUS (0x14) #define SM501_GPIO_IRQ_RESET (0x14) /* I2C controller base */ #define SM501_I2C (0x010040) #define SM501_I2C_BYTE_COUNT (0x00) #define SM501_I2C_CONTROL (0x01) #define SM501_I2C_STATUS (0x02) #define SM501_I2C_RESET (0x02) #define SM501_I2C_SLAVE_ADDRESS (0x03) #define SM501_I2C_DATA (0x04) #define SM501_I2C_CONTROL_START (1 << 2) #define SM501_I2C_CONTROL_ENABLE (1 << 0) #define SM501_I2C_STATUS_COMPLETE (1 << 3) #define SM501_I2C_STATUS_ERROR (1 << 2) #define SM501_I2C_RESET_ERROR (1 << 2) /* SSP base */ #define SM501_SSP (0x020000) /* Uart 0 base */ #define SM501_UART0 (0x030000) /* Uart 1 base */ #define SM501_UART1 (0x030020) /* USB host port base */ #define SM501_USB_HOST (0x040000) /* USB slave/gadget base */ #define SM501_USB_GADGET (0x060000) /* USB slave/gadget data port base */ #define SM501_USB_GADGET_DATA (0x070000) /* Display controller/video engine base */ #define SM501_DC (0x080000) /* common defines for the SM501 address registers */ #define SM501_ADDR_FLIP (1 << 31) #define SM501_ADDR_EXT (1 << 27) #define SM501_ADDR_CS1 (1 << 26) #define SM501_ADDR_MASK (0x3f << 26) #define SM501_FIFO_MASK (0x3 << 16) #define SM501_FIFO_1 (0x0 << 16) #define SM501_FIFO_3 (0x1 << 16) #define SM501_FIFO_7 (0x2 << 16) #define SM501_FIFO_11 (0x3 << 16) /* common registers for panel and the crt */ #define SM501_OFF_DC_H_TOT (0x000) #define SM501_OFF_DC_V_TOT (0x008) #define SM501_OFF_DC_H_SYNC (0x004) #define SM501_OFF_DC_V_SYNC (0x00C) #define SM501_DC_PANEL_CONTROL (0x000) #define SM501_DC_PANEL_CONTROL_FPEN (1 << 27) #define SM501_DC_PANEL_CONTROL_BIAS (1 << 26) #define SM501_DC_PANEL_CONTROL_DATA (1 << 25) #define SM501_DC_PANEL_CONTROL_VDD (1 << 24) #define SM501_DC_PANEL_CONTROL_DP (1 << 23) #define SM501_DC_PANEL_CONTROL_TFT_888 (0 << 21) #define SM501_DC_PANEL_CONTROL_TFT_333 (1 << 21) #define SM501_DC_PANEL_CONTROL_TFT_444 (2 << 21) #define SM501_DC_PANEL_CONTROL_DE (1 << 20) #define SM501_DC_PANEL_CONTROL_LCD_TFT (0 << 18) #define SM501_DC_PANEL_CONTROL_LCD_STN8 (1 << 18) #define SM501_DC_PANEL_CONTROL_LCD_STN12 (2 << 18) #define SM501_DC_PANEL_CONTROL_CP (1 << 14) #define SM501_DC_PANEL_CONTROL_VSP (1 << 13) #define SM501_DC_PANEL_CONTROL_HSP (1 << 12) #define SM501_DC_PANEL_CONTROL_CK (1 << 9) #define SM501_DC_PANEL_CONTROL_TE (1 << 8) #define SM501_DC_PANEL_CONTROL_VPD (1 << 7) #define SM501_DC_PANEL_CONTROL_VP (1 << 6) #define SM501_DC_PANEL_CONTROL_HPD (1 << 5) #define SM501_DC_PANEL_CONTROL_HP (1 << 4) #define SM501_DC_PANEL_CONTROL_GAMMA (1 << 3) #define SM501_DC_PANEL_CONTROL_EN (1 << 2) #define SM501_DC_PANEL_CONTROL_8BPP (0 << 0) #define SM501_DC_PANEL_CONTROL_16BPP (1 << 0) #define SM501_DC_PANEL_CONTROL_32BPP (2 << 0) #define SM501_DC_PANEL_PANNING_CONTROL (0x004) #define SM501_DC_PANEL_COLOR_KEY (0x008) #define SM501_DC_PANEL_FB_ADDR (0x00C) #define SM501_DC_PANEL_FB_OFFSET (0x010) #define SM501_DC_PANEL_FB_WIDTH (0x014) #define SM501_DC_PANEL_FB_HEIGHT (0x018) #define SM501_DC_PANEL_TL_LOC (0x01C) #define SM501_DC_PANEL_BR_LOC (0x020) #define SM501_DC_PANEL_H_TOT (0x024) #define SM501_DC_PANEL_H_SYNC (0x028) #define SM501_DC_PANEL_V_TOT (0x02C) #define SM501_DC_PANEL_V_SYNC (0x030) #define SM501_DC_PANEL_CUR_LINE (0x034) #define SM501_DC_VIDEO_CONTROL (0x040) #define SM501_DC_VIDEO_FB0_ADDR (0x044) #define SM501_DC_VIDEO_FB_WIDTH (0x048) #define SM501_DC_VIDEO_FB0_LAST_ADDR (0x04C) #define SM501_DC_VIDEO_TL_LOC (0x050) #define SM501_DC_VIDEO_BR_LOC (0x054) #define SM501_DC_VIDEO_SCALE (0x058) #define SM501_DC_VIDEO_INIT_SCALE (0x05C) #define SM501_DC_VIDEO_YUV_CONSTANTS (0x060) #define SM501_DC_VIDEO_FB1_ADDR (0x064) #define SM501_DC_VIDEO_FB1_LAST_ADDR (0x068) #define SM501_DC_VIDEO_ALPHA_CONTROL (0x080) #define SM501_DC_VIDEO_ALPHA_FB_ADDR (0x084) #define SM501_DC_VIDEO_ALPHA_FB_OFFSET (0x088) #define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR (0x08C) #define SM501_DC_VIDEO_ALPHA_TL_LOC (0x090) #define SM501_DC_VIDEO_ALPHA_BR_LOC (0x094) #define SM501_DC_VIDEO_ALPHA_SCALE (0x098) #define SM501_DC_VIDEO_ALPHA_INIT_SCALE (0x09C) #define SM501_DC_VIDEO_ALPHA_CHROMA_KEY (0x0A0) #define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP (0x0A4) #define SM501_DC_PANEL_HWC_BASE (0x0F0) #define SM501_DC_PANEL_HWC_ADDR (0x0F0) #define SM501_DC_PANEL_HWC_LOC (0x0F4) #define SM501_DC_PANEL_HWC_COLOR_1_2 (0x0F8) #define SM501_DC_PANEL_HWC_COLOR_3 (0x0FC) #define SM501_HWC_EN (1 << 31) #define SM501_OFF_HWC_ADDR (0x00) #define SM501_OFF_HWC_LOC (0x04) #define SM501_OFF_HWC_COLOR_1_2 (0x08) #define SM501_OFF_HWC_COLOR_3 (0x0C) #define SM501_DC_ALPHA_CONTROL (0x100) #define SM501_DC_ALPHA_FB_ADDR (0x104) #define SM501_DC_ALPHA_FB_OFFSET (0x108) #define SM501_DC_ALPHA_TL_LOC (0x10C) #define SM501_DC_ALPHA_BR_LOC (0x110) #define SM501_DC_ALPHA_CHROMA_KEY (0x114) #define SM501_DC_ALPHA_COLOR_LOOKUP (0x118) #define SM501_DC_CRT_CONTROL (0x200) #define SM501_DC_CRT_CONTROL_TVP (1 << 15) #define SM501_DC_CRT_CONTROL_CP (1 << 14) #define SM501_DC_CRT_CONTROL_VSP (1 << 13) #define SM501_DC_CRT_CONTROL_HSP (1 << 12) #define SM501_DC_CRT_CONTROL_VS (1 << 11) #define SM501_DC_CRT_CONTROL_BLANK (1 << 10) #define SM501_DC_CRT_CONTROL_SEL (1 << 9) #define SM501_DC_CRT_CONTROL_TE (1 << 8) #define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4) #define SM501_DC_CRT_CONTROL_GAMMA (1 << 3) #define SM501_DC_CRT_CONTROL_ENABLE (1 << 2) #define SM501_DC_CRT_CONTROL_8BPP (0 << 0) #define SM501_DC_CRT_CONTROL_16BPP (1 << 0) #define SM501_DC_CRT_CONTROL_32BPP (2 << 0) #define SM501_DC_CRT_FB_ADDR (0x204) #define SM501_DC_CRT_FB_OFFSET (0x208) #define SM501_DC_CRT_H_TOT (0x20C) #define SM501_DC_CRT_H_SYNC (0x210) #define SM501_DC_CRT_V_TOT (0x214) #define SM501_DC_CRT_V_SYNC (0x218) #define SM501_DC_CRT_SIGNATURE_ANALYZER (0x21C) #define SM501_DC_CRT_CUR_LINE (0x220) #define SM501_DC_CRT_MONITOR_DETECT (0x224) #define SM501_DC_CRT_HWC_BASE (0x230) #define SM501_DC_CRT_HWC_ADDR (0x230) #define SM501_DC_CRT_HWC_LOC (0x234) #define SM501_DC_CRT_HWC_COLOR_1_2 (0x238) #define SM501_DC_CRT_HWC_COLOR_3 (0x23C) #define SM501_DC_PANEL_PALETTE (0x400) #define SM501_DC_VIDEO_PALETTE (0x800) #define SM501_DC_CRT_PALETTE (0xC00) /* Zoom Video port base */ #define SM501_ZVPORT (0x090000) /* AC97/I2S base */ #define SM501_AC97 (0x0A0000) /* 8051 micro controller base */ #define SM501_UCONTROLLER (0x0B0000) /* 8051 micro controller SRAM base */ #define SM501_UCONTROLLER_SRAM (0x0C0000) /* DMA base */ #define SM501_DMA (0x0D0000) /* 2d engine base */ #define SM501_2D_ENGINE (0x100000) #define SM501_2D_SOURCE (0x00) #define SM501_2D_DESTINATION (0x04) #define SM501_2D_DIMENSION (0x08) #define SM501_2D_CONTROL (0x0C) #define SM501_2D_PITCH (0x10) #define SM501_2D_FOREGROUND (0x14) #define SM501_2D_BACKGROUND (0x18) #define SM501_2D_STRETCH (0x1C) #define SM501_2D_COLOR_COMPARE (0x20) #define SM501_2D_COLOR_COMPARE_MASK (0x24) #define SM501_2D_MASK (0x28) #define SM501_2D_CLIP_TL (0x2C) #define SM501_2D_CLIP_BR (0x30) #define SM501_2D_MONO_PATTERN_LOW (0x34) #define SM501_2D_MONO_PATTERN_HIGH (0x38) #define SM501_2D_WINDOW_WIDTH (0x3C) #define SM501_2D_SOURCE_BASE (0x40) #define SM501_2D_DESTINATION_BASE (0x44) #define SM501_2D_ALPHA (0x48) #define SM501_2D_WRAP (0x4C) #define SM501_2D_STATUS (0x50) #define SM501_CSC_Y_SOURCE_BASE (0xC8) #define SM501_CSC_CONSTANTS (0xCC) #define SM501_CSC_Y_SOURCE_X (0xD0) #define SM501_CSC_Y_SOURCE_Y (0xD4) #define SM501_CSC_U_SOURCE_BASE (0xD8) #define SM501_CSC_V_SOURCE_BASE (0xDC) #define SM501_CSC_SOURCE_DIMENSION (0xE0) #define SM501_CSC_SOURCE_PITCH (0xE4) #define SM501_CSC_DESTINATION (0xE8) #define SM501_CSC_DESTINATION_DIMENSION (0xEC) #define SM501_CSC_DESTINATION_PITCH (0xF0) #define SM501_CSC_SCALE_FACTOR (0xF4) #define SM501_CSC_DESTINATION_BASE (0xF8) #define SM501_CSC_CONTROL (0xFC) /* 2d engine data port base */ #define SM501_2D_ENGINE_DATA (0x110000) /* end of register definitions */ #define SM501_HWC_WIDTH (64) #define SM501_HWC_HEIGHT (64) /* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */ static const uint32_t sm501_mem_local_size[] = { [0] = 4 * MiB, [1] = 8 * MiB, [2] = 16 * MiB, [3] = 32 * MiB, [4] = 64 * MiB, [5] = 2 * MiB, }; #define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index] typedef struct SM501State { /* graphic console status */ QemuConsole *con; /* status & internal resources */ uint32_t local_mem_size_index; uint8_t *local_mem; MemoryRegion local_mem_region; MemoryRegion mmio_region; MemoryRegion system_config_region; MemoryRegion i2c_region; MemoryRegion disp_ctrl_region; MemoryRegion twoD_engine_region; uint32_t last_width; uint32_t last_height; bool do_full_update; /* perform a full update next time */ I2CBus *i2c_bus; /* mmio registers */ uint32_t system_control; uint32_t misc_control; uint32_t gpio_31_0_control; uint32_t gpio_63_32_control; uint32_t dram_control; uint32_t arbitration_control; uint32_t irq_mask; uint32_t misc_timing; uint32_t power_mode_control; uint8_t i2c_byte_count; uint8_t i2c_status; uint8_t i2c_addr; uint8_t i2c_data[16]; uint32_t uart0_ier; uint32_t uart0_lcr; uint32_t uart0_mcr; uint32_t uart0_scr; uint8_t dc_palette[DC_PALETTE_ENTRIES]; uint32_t dc_panel_control; uint32_t dc_panel_panning_control; uint32_t dc_panel_fb_addr; uint32_t dc_panel_fb_offset; uint32_t dc_panel_fb_width; uint32_t dc_panel_fb_height; uint32_t dc_panel_tl_location; uint32_t dc_panel_br_location; uint32_t dc_panel_h_total; uint32_t dc_panel_h_sync; uint32_t dc_panel_v_total; uint32_t dc_panel_v_sync; uint32_t dc_panel_hwc_addr; uint32_t dc_panel_hwc_location; uint32_t dc_panel_hwc_color_1_2; uint32_t dc_panel_hwc_color_3; uint32_t dc_video_control; uint32_t dc_crt_control; uint32_t dc_crt_fb_addr; uint32_t dc_crt_fb_offset; uint32_t dc_crt_h_total; uint32_t dc_crt_h_sync; uint32_t dc_crt_v_total; uint32_t dc_crt_v_sync; uint32_t dc_crt_hwc_addr; uint32_t dc_crt_hwc_location; uint32_t dc_crt_hwc_color_1_2; uint32_t dc_crt_hwc_color_3; uint32_t twoD_source; uint32_t twoD_destination; uint32_t twoD_dimension; uint32_t twoD_control; uint32_t twoD_pitch; uint32_t twoD_foreground; uint32_t twoD_background; uint32_t twoD_stretch; uint32_t twoD_color_compare; uint32_t twoD_color_compare_mask; uint32_t twoD_mask; uint32_t twoD_clip_tl; uint32_t twoD_clip_br; uint32_t twoD_mono_pattern_low; uint32_t twoD_mono_pattern_high; uint32_t twoD_window_width; uint32_t twoD_source_base; uint32_t twoD_destination_base; uint32_t twoD_alpha; uint32_t twoD_wrap; } SM501State; static uint32_t get_local_mem_size_index(uint32_t size) { uint32_t norm_size = 0; int i, index = 0; for (i = 0; i < ARRAY_SIZE(sm501_mem_local_size); i++) { uint32_t new_size = sm501_mem_local_size[i]; if (new_size >= size) { if (norm_size == 0 || norm_size > new_size) { norm_size = new_size; index = i; } } } return index; } static ram_addr_t get_fb_addr(SM501State *s, int crt) { return (crt ? s->dc_crt_fb_addr : s->dc_panel_fb_addr) & 0x3FFFFF0; } static inline int get_width(SM501State *s, int crt) { int width = crt ? s->dc_crt_h_total : s->dc_panel_h_total; return (width & 0x00000FFF) + 1; } static inline int get_height(SM501State *s, int crt) { int height = crt ? s->dc_crt_v_total : s->dc_panel_v_total; return (height & 0x00000FFF) + 1; } static inline int get_bpp(SM501State *s, int crt) { int bpp = crt ? s->dc_crt_control : s->dc_panel_control; return 1 << (bpp & 3); } /** * Check the availability of hardware cursor. * @param crt 0 for PANEL, 1 for CRT. */ static inline int is_hwc_enabled(SM501State *state, int crt) { uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; return addr & SM501_HWC_EN; } /** * Get the address which holds cursor pattern data. * @param crt 0 for PANEL, 1 for CRT. */ static inline uint8_t *get_hwc_address(SM501State *state, int crt) { uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; return state->local_mem + (addr & 0x03FFFFF0); } /** * Get the cursor position in y coordinate. * @param crt 0 for PANEL, 1 for CRT. */ static inline uint32_t get_hwc_y(SM501State *state, int crt) { uint32_t location = crt ? state->dc_crt_hwc_location : state->dc_panel_hwc_location; return (location & 0x07FF0000) >> 16; } /** * Get the cursor position in x coordinate. * @param crt 0 for PANEL, 1 for CRT. */ static inline uint32_t get_hwc_x(SM501State *state, int crt) { uint32_t location = crt ? state->dc_crt_hwc_location : state->dc_panel_hwc_location; return location & 0x000007FF; } /** * Get the hardware cursor palette. * @param crt 0 for PANEL, 1 for CRT. * @param palette pointer to a [3 * 3] array to store color values in */ static inline void get_hwc_palette(SM501State *state, int crt, uint8_t *palette) { int i; uint32_t color_reg; uint16_t rgb565; for (i = 0; i < 3; i++) { if (i + 1 == 3) { color_reg = crt ? state->dc_crt_hwc_color_3 : state->dc_panel_hwc_color_3; } else { color_reg = crt ? state->dc_crt_hwc_color_1_2 : state->dc_panel_hwc_color_1_2; } if (i + 1 == 2) { rgb565 = (color_reg >> 16) & 0xFFFF; } else { rgb565 = color_reg & 0xFFFF; } palette[i * 3 + 0] = ((rgb565 >> 11) * 527 + 23) >> 6; /* r */ palette[i * 3 + 1] = (((rgb565 >> 5) & 0x3f) * 259 + 33) >> 6; /* g */ palette[i * 3 + 2] = ((rgb565 & 0x1f) * 527 + 23) >> 6; /* b */ } } static inline void hwc_invalidate(SM501State *s, int crt) { int w = get_width(s, crt); int h = get_height(s, crt); int bpp = get_bpp(s, crt); int start = get_hwc_y(s, crt); int end = MIN(h, start + SM501_HWC_HEIGHT) + 1; start *= w * bpp; end *= w * bpp; memory_region_set_dirty(&s->local_mem_region, get_fb_addr(s, crt) + start, end - start); } static void sm501_2d_operation(SM501State *s) { /* obtain operation parameters */ int operation = (s->twoD_control >> 16) & 0x1f; int rtl = s->twoD_control & 0x8000000; int src_x = (s->twoD_source >> 16) & 0x01FFF; int src_y = s->twoD_source & 0xFFFF; int dst_x = (s->twoD_destination >> 16) & 0x01FFF; int dst_y = s->twoD_destination & 0xFFFF; int operation_width = (s->twoD_dimension >> 16) & 0x1FFF; int operation_height = s->twoD_dimension & 0xFFFF; uint32_t color = s->twoD_foreground; int format_flags = (s->twoD_stretch >> 20) & 0x3; int addressing = (s->twoD_stretch >> 16) & 0xF; int rop_mode = (s->twoD_control >> 15) & 0x1; /* 1 for rop2, else rop3 */ /* 1 if rop2 source is the pattern, otherwise the source is the bitmap */ int rop2_source_is_pattern = (s->twoD_control >> 14) & 0x1; int rop = s->twoD_control & 0xFF; uint32_t src_base = s->twoD_source_base & 0x03FFFFFF; uint32_t dst_base = s->twoD_destination_base & 0x03FFFFFF; /* get frame buffer info */ uint8_t *src = s->local_mem + src_base; uint8_t *dst = s->local_mem + dst_base; int src_width = s->twoD_pitch & 0x1FFF; int dst_width = (s->twoD_pitch >> 16) & 0x1FFF; int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; int fb_len = get_width(s, crt) * get_height(s, crt) * get_bpp(s, crt); if (addressing != 0x0) { printf("%s: only XY addressing is supported.\n", __func__); abort(); } if (rop_mode == 0) { if (rop != 0xcc) { /* Anything other than plain copies are not supported */ qemu_log_mask(LOG_UNIMP, "sm501: rop3 mode with rop %x is not " "supported.\n", rop); } } else { if (rop2_source_is_pattern && rop != 0x5) { /* For pattern source, we support only inverse dest */ qemu_log_mask(LOG_UNIMP, "sm501: rop2 source being the pattern and " "rop %x is not supported.\n", rop); } else { if (rop != 0x5 && rop != 0xc) { /* Anything other than plain copies or inverse dest is not * supported */ qemu_log_mask(LOG_UNIMP, "sm501: rop mode %x is not " "supported.\n", rop); } } } if ((s->twoD_source_base & 0x08000000) || (s->twoD_destination_base & 0x08000000)) { printf("%s: only local memory is supported.\n", __func__); abort(); } switch (operation) { case 0x00: /* copy area */ #define COPY_AREA(_bpp, _pixel_type, rtl) { \ int y, x, index_d, index_s; \ for (y = 0; y < operation_height; y++) { \ for (x = 0; x < operation_width; x++) { \ _pixel_type val; \ \ if (rtl) { \ index_s = ((src_y - y) * src_width + src_x - x) * _bpp; \ index_d = ((dst_y - y) * dst_width + dst_x - x) * _bpp; \ } else { \ index_s = ((src_y + y) * src_width + src_x + x) * _bpp; \ index_d = ((dst_y + y) * dst_width + dst_x + x) * _bpp; \ } \ if (rop_mode == 1 && rop == 5) { \ /* Invert dest */ \ val = ~*(_pixel_type *)&dst[index_d]; \ } else { \ val = *(_pixel_type *)&src[index_s]; \ } \ *(_pixel_type *)&dst[index_d] = val; \ } \ } \ } switch (format_flags) { case 0: COPY_AREA(1, uint8_t, rtl); break; case 1: COPY_AREA(2, uint16_t, rtl); break; case 2: COPY_AREA(4, uint32_t, rtl); break; } break; case 0x01: /* fill rectangle */ #define FILL_RECT(_bpp, _pixel_type) { \ int y, x; \ for (y = 0; y < operation_height; y++) { \ for (x = 0; x < operation_width; x++) { \ int index = ((dst_y + y) * dst_width + dst_x + x) * _bpp; \ *(_pixel_type *)&dst[index] = (_pixel_type)color; \ } \ } \ } switch (format_flags) { case 0: FILL_RECT(1, uint8_t); break; case 1: FILL_RECT(2, uint16_t); break; case 2: FILL_RECT(4, uint32_t); break; } break; default: printf("non-implemented SM501 2D operation. %d\n", operation); abort(); break; } if (dst_base >= get_fb_addr(s, crt) && dst_base <= get_fb_addr(s, crt) + fb_len) { int dst_len = MIN(fb_len, ((dst_y + operation_height - 1) * dst_width + dst_x + operation_width) * (1 << format_flags)); if (dst_len) { memory_region_set_dirty(&s->local_mem_region, dst_base, dst_len); } } } static uint64_t sm501_system_config_read(void *opaque, hwaddr addr, unsigned size) { SM501State *s = (SM501State *)opaque; uint32_t ret = 0; SM501_DPRINTF("sm501 system config regs : read addr=%x\n", (int)addr); switch (addr) { case SM501_SYSTEM_CONTROL: ret = s->system_control; break; case SM501_MISC_CONTROL: ret = s->misc_control; break; case SM501_GPIO31_0_CONTROL: ret = s->gpio_31_0_control; break; case SM501_GPIO63_32_CONTROL: ret = s->gpio_63_32_control; break; case SM501_DEVICEID: ret = 0x050100A0; break; case SM501_DRAM_CONTROL: ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13; break; case SM501_ARBTRTN_CONTROL: ret = s->arbitration_control; break; case SM501_COMMAND_LIST_STATUS: ret = 0x00180002; /* FIFOs are empty, everything idle */ break; case SM501_IRQ_MASK: ret = s->irq_mask; break; case SM501_MISC_TIMING: /* TODO : simulate gate control */ ret = s->misc_timing; break; case SM501_CURRENT_GATE: /* TODO : simulate gate control */ ret = 0x00021807; break; case SM501_CURRENT_CLOCK: ret = 0x2A1A0A09; break; case SM501_POWER_MODE_CONTROL: ret = s->power_mode_control; break; case SM501_ENDIAN_CONTROL: ret = 0; /* Only default little endian mode is supported */ break; default: printf("sm501 system config : not implemented register read." " addr=%x\n", (int)addr); abort(); } return ret; } static void sm501_system_config_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 system config regs : write addr=%x, val=%x\n", (uint32_t)addr, (uint32_t)value); switch (addr) { case SM501_SYSTEM_CONTROL: s->system_control &= 0x10DB0000; s->system_control |= value & 0xEF00B8F7; break; case SM501_MISC_CONTROL: s->misc_control &= 0xEF; s->misc_control |= value & 0xFF7FFF10; break; case SM501_GPIO31_0_CONTROL: s->gpio_31_0_control = value; break; case SM501_GPIO63_32_CONTROL: s->gpio_63_32_control = value & 0xFF80FFFF; break; case SM501_DRAM_CONTROL: s->local_mem_size_index = (value >> 13) & 0x7; /* TODO : check validity of size change */ s->dram_control &= 0x80000000; s->dram_control |= value & 0x7FFFFFC3; break; case SM501_ARBTRTN_CONTROL: s->arbitration_control = value & 0x37777777; break; case SM501_IRQ_MASK: s->irq_mask = value & 0xFFDF3F5F; break; case SM501_MISC_TIMING: s->misc_timing = value & 0xF31F1FFF; break; case SM501_POWER_MODE_0_GATE: case SM501_POWER_MODE_1_GATE: case SM501_POWER_MODE_0_CLOCK: case SM501_POWER_MODE_1_CLOCK: /* TODO : simulate gate & clock control */ break; case SM501_POWER_MODE_CONTROL: s->power_mode_control = value & 0x00000003; break; case SM501_ENDIAN_CONTROL: if (value & 0x00000001) { printf("sm501 system config : big endian mode not implemented.\n"); abort(); } break; default: printf("sm501 system config : not implemented register write." " addr=%x, val=%x\n", (int)addr, (uint32_t)value); abort(); } } static const MemoryRegionOps sm501_system_config_ops = { .read = sm501_system_config_read, .write = sm501_system_config_write, .valid = { .min_access_size = 4, .max_access_size = 4, }, .endianness = DEVICE_LITTLE_ENDIAN, }; static uint64_t sm501_i2c_read(void *opaque, hwaddr addr, unsigned size) { SM501State *s = (SM501State *)opaque; uint8_t ret = 0; switch (addr) { case SM501_I2C_BYTE_COUNT: ret = s->i2c_byte_count; break; case SM501_I2C_STATUS: ret = s->i2c_status; break; case SM501_I2C_SLAVE_ADDRESS: ret = s->i2c_addr; break; case SM501_I2C_DATA ... SM501_I2C_DATA + 15: ret = s->i2c_data[addr - SM501_I2C_DATA]; break; default: qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register read." " addr=0x%" HWADDR_PRIx "\n", addr); } SM501_DPRINTF("sm501 i2c regs : read addr=%" HWADDR_PRIx " val=%x\n", addr, ret); return ret; } static void sm501_i2c_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 i2c regs : write addr=%" HWADDR_PRIx " val=%" PRIx64 "\n", addr, value); switch (addr) { case SM501_I2C_BYTE_COUNT: s->i2c_byte_count = value & 0xf; break; case SM501_I2C_CONTROL: if (value & SM501_I2C_CONTROL_ENABLE) { if (value & SM501_I2C_CONTROL_START) { int res = i2c_start_transfer(s->i2c_bus, s->i2c_addr >> 1, s->i2c_addr & 1); s->i2c_status |= (res ? SM501_I2C_STATUS_ERROR : 0); if (!res) { int i; SM501_DPRINTF("sm501 i2c : transferring %d bytes to 0x%x\n", s->i2c_byte_count + 1, s->i2c_addr >> 1); for (i = 0; i <= s->i2c_byte_count; i++) { res = i2c_send_recv(s->i2c_bus, &s->i2c_data[i], !(s->i2c_addr & 1)); if (res) { SM501_DPRINTF("sm501 i2c : transfer failed" " i=%d, res=%d\n", i, res); s->i2c_status |= (res ? SM501_I2C_STATUS_ERROR : 0); return; } } if (i) { SM501_DPRINTF("sm501 i2c : transferred %d bytes\n", i); s->i2c_status = SM501_I2C_STATUS_COMPLETE; } } } else { SM501_DPRINTF("sm501 i2c : end transfer\n"); i2c_end_transfer(s->i2c_bus); s->i2c_status &= ~SM501_I2C_STATUS_ERROR; } } break; case SM501_I2C_RESET: if ((value & SM501_I2C_RESET_ERROR) == 0) { s->i2c_status &= ~SM501_I2C_STATUS_ERROR; } break; case SM501_I2C_SLAVE_ADDRESS: s->i2c_addr = value & 0xff; break; case SM501_I2C_DATA ... SM501_I2C_DATA + 15: s->i2c_data[addr - SM501_I2C_DATA] = value & 0xff; break; default: qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register write. " "addr=0x%" HWADDR_PRIx " val=%" PRIx64 "\n", addr, value); } } static const MemoryRegionOps sm501_i2c_ops = { .read = sm501_i2c_read, .write = sm501_i2c_write, .valid = { .min_access_size = 1, .max_access_size = 1, }, .impl = { .min_access_size = 1, .max_access_size = 1, }, .endianness = DEVICE_LITTLE_ENDIAN, }; static uint32_t sm501_palette_read(void *opaque, hwaddr addr) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr); /* TODO : consider BYTE/WORD access */ /* TODO : consider endian */ assert(range_covers_byte(0, 0x400 * 3, addr)); return *(uint32_t *)&s->dc_palette[addr]; } static void sm501_palette_write(void *opaque, hwaddr addr, uint32_t value) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n", (int)addr, value); /* TODO : consider BYTE/WORD access */ /* TODO : consider endian */ assert(range_covers_byte(0, 0x400 * 3, addr)); *(uint32_t *)&s->dc_palette[addr] = value; s->do_full_update = true; } static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr, unsigned size) { SM501State *s = (SM501State *)opaque; uint32_t ret = 0; SM501_DPRINTF("sm501 disp ctrl regs : read addr=%x\n", (int)addr); switch (addr) { case SM501_DC_PANEL_CONTROL: ret = s->dc_panel_control; break; case SM501_DC_PANEL_PANNING_CONTROL: ret = s->dc_panel_panning_control; break; case SM501_DC_PANEL_COLOR_KEY: /* Not implemented yet */ break; case SM501_DC_PANEL_FB_ADDR: ret = s->dc_panel_fb_addr; break; case SM501_DC_PANEL_FB_OFFSET: ret = s->dc_panel_fb_offset; break; case SM501_DC_PANEL_FB_WIDTH: ret = s->dc_panel_fb_width; break; case SM501_DC_PANEL_FB_HEIGHT: ret = s->dc_panel_fb_height; break; case SM501_DC_PANEL_TL_LOC: ret = s->dc_panel_tl_location; break; case SM501_DC_PANEL_BR_LOC: ret = s->dc_panel_br_location; break; case SM501_DC_PANEL_H_TOT: ret = s->dc_panel_h_total; break; case SM501_DC_PANEL_H_SYNC: ret = s->dc_panel_h_sync; break; case SM501_DC_PANEL_V_TOT: ret = s->dc_panel_v_total; break; case SM501_DC_PANEL_V_SYNC: ret = s->dc_panel_v_sync; break; case SM501_DC_PANEL_HWC_ADDR: ret = s->dc_panel_hwc_addr; break; case SM501_DC_PANEL_HWC_LOC: ret = s->dc_panel_hwc_location; break; case SM501_DC_PANEL_HWC_COLOR_1_2: ret = s->dc_panel_hwc_color_1_2; break; case SM501_DC_PANEL_HWC_COLOR_3: ret = s->dc_panel_hwc_color_3; break; case SM501_DC_VIDEO_CONTROL: ret = s->dc_video_control; break; case SM501_DC_CRT_CONTROL: ret = s->dc_crt_control; break; case SM501_DC_CRT_FB_ADDR: ret = s->dc_crt_fb_addr; break; case SM501_DC_CRT_FB_OFFSET: ret = s->dc_crt_fb_offset; break; case SM501_DC_CRT_H_TOT: ret = s->dc_crt_h_total; break; case SM501_DC_CRT_H_SYNC: ret = s->dc_crt_h_sync; break; case SM501_DC_CRT_V_TOT: ret = s->dc_crt_v_total; break; case SM501_DC_CRT_V_SYNC: ret = s->dc_crt_v_sync; break; case SM501_DC_CRT_HWC_ADDR: ret = s->dc_crt_hwc_addr; break; case SM501_DC_CRT_HWC_LOC: ret = s->dc_crt_hwc_location; break; case SM501_DC_CRT_HWC_COLOR_1_2: ret = s->dc_crt_hwc_color_1_2; break; case SM501_DC_CRT_HWC_COLOR_3: ret = s->dc_crt_hwc_color_3; break; case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE); break; default: printf("sm501 disp ctrl : not implemented register read." " addr=%x\n", (int)addr); abort(); } return ret; } static void sm501_disp_ctrl_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, val=%x\n", (unsigned)addr, (unsigned)value); switch (addr) { case SM501_DC_PANEL_CONTROL: s->dc_panel_control = value & 0x0FFF73FF; break; case SM501_DC_PANEL_PANNING_CONTROL: s->dc_panel_panning_control = value & 0xFF3FFF3F; break; case SM501_DC_PANEL_COLOR_KEY: /* Not implemented yet */ break; case SM501_DC_PANEL_FB_ADDR: s->dc_panel_fb_addr = value & 0x8FFFFFF0; if (value & 0x8000000) { qemu_log_mask(LOG_UNIMP, "Panel external memory not supported\n"); } s->do_full_update = true; break; case SM501_DC_PANEL_FB_OFFSET: s->dc_panel_fb_offset = value & 0x3FF03FF0; break; case SM501_DC_PANEL_FB_WIDTH: s->dc_panel_fb_width = value & 0x0FFF0FFF; break; case SM501_DC_PANEL_FB_HEIGHT: s->dc_panel_fb_height = value & 0x0FFF0FFF; break; case SM501_DC_PANEL_TL_LOC: s->dc_panel_tl_location = value & 0x07FF07FF; break; case SM501_DC_PANEL_BR_LOC: s->dc_panel_br_location = value & 0x07FF07FF; break; case SM501_DC_PANEL_H_TOT: s->dc_panel_h_total = value & 0x0FFF0FFF; break; case SM501_DC_PANEL_H_SYNC: s->dc_panel_h_sync = value & 0x00FF0FFF; break; case SM501_DC_PANEL_V_TOT: s->dc_panel_v_total = value & 0x0FFF0FFF; break; case SM501_DC_PANEL_V_SYNC: s->dc_panel_v_sync = value & 0x003F0FFF; break; case SM501_DC_PANEL_HWC_ADDR: value &= 0x8FFFFFF0; if (value != s->dc_panel_hwc_addr) { hwc_invalidate(s, 0); s->dc_panel_hwc_addr = value; } break; case SM501_DC_PANEL_HWC_LOC: value &= 0x0FFF0FFF; if (value != s->dc_panel_hwc_location) { hwc_invalidate(s, 0); s->dc_panel_hwc_location = value; } break; case SM501_DC_PANEL_HWC_COLOR_1_2: s->dc_panel_hwc_color_1_2 = value; break; case SM501_DC_PANEL_HWC_COLOR_3: s->dc_panel_hwc_color_3 = value & 0x0000FFFF; break; case SM501_DC_VIDEO_CONTROL: s->dc_video_control = value & 0x00037FFF; break; case SM501_DC_CRT_CONTROL: s->dc_crt_control = value & 0x0003FFFF; break; case SM501_DC_CRT_FB_ADDR: s->dc_crt_fb_addr = value & 0x8FFFFFF0; if (value & 0x8000000) { qemu_log_mask(LOG_UNIMP, "CRT external memory not supported\n"); } s->do_full_update = true; break; case SM501_DC_CRT_FB_OFFSET: s->dc_crt_fb_offset = value & 0x3FF03FF0; break; case SM501_DC_CRT_H_TOT: s->dc_crt_h_total = value & 0x0FFF0FFF; break; case SM501_DC_CRT_H_SYNC: s->dc_crt_h_sync = value & 0x00FF0FFF; break; case SM501_DC_CRT_V_TOT: s->dc_crt_v_total = value & 0x0FFF0FFF; break; case SM501_DC_CRT_V_SYNC: s->dc_crt_v_sync = value & 0x003F0FFF; break; case SM501_DC_CRT_HWC_ADDR: value &= 0x8FFFFFF0; if (value != s->dc_crt_hwc_addr) { hwc_invalidate(s, 1); s->dc_crt_hwc_addr = value; } break; case SM501_DC_CRT_HWC_LOC: value &= 0x0FFF0FFF; if (value != s->dc_crt_hwc_location) { hwc_invalidate(s, 1); s->dc_crt_hwc_location = value; } break; case SM501_DC_CRT_HWC_COLOR_1_2: s->dc_crt_hwc_color_1_2 = value; break; case SM501_DC_CRT_HWC_COLOR_3: s->dc_crt_hwc_color_3 = value & 0x0000FFFF; break; case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE, value); break; default: printf("sm501 disp ctrl : not implemented register write." " addr=%x, val=%x\n", (int)addr, (unsigned)value); abort(); } } static const MemoryRegionOps sm501_disp_ctrl_ops = { .read = sm501_disp_ctrl_read, .write = sm501_disp_ctrl_write, .valid = { .min_access_size = 4, .max_access_size = 4, }, .endianness = DEVICE_LITTLE_ENDIAN, }; static uint64_t sm501_2d_engine_read(void *opaque, hwaddr addr, unsigned size) { SM501State *s = (SM501State *)opaque; uint32_t ret = 0; SM501_DPRINTF("sm501 2d engine regs : read addr=%x\n", (int)addr); switch (addr) { case SM501_2D_SOURCE: ret = s->twoD_source; break; case SM501_2D_DESTINATION: ret = s->twoD_destination; break; case SM501_2D_DIMENSION: ret = s->twoD_dimension; break; case SM501_2D_CONTROL: ret = s->twoD_control; break; case SM501_2D_PITCH: ret = s->twoD_pitch; break; case SM501_2D_FOREGROUND: ret = s->twoD_foreground; break; case SM501_2D_BACKGROUND: ret = s->twoD_background; break; case SM501_2D_STRETCH: ret = s->twoD_stretch; break; case SM501_2D_COLOR_COMPARE: ret = s->twoD_color_compare; break; case SM501_2D_COLOR_COMPARE_MASK: ret = s->twoD_color_compare_mask; break; case SM501_2D_MASK: ret = s->twoD_mask; break; case SM501_2D_CLIP_TL: ret = s->twoD_clip_tl; break; case SM501_2D_CLIP_BR: ret = s->twoD_clip_br; break; case SM501_2D_MONO_PATTERN_LOW: ret = s->twoD_mono_pattern_low; break; case SM501_2D_MONO_PATTERN_HIGH: ret = s->twoD_mono_pattern_high; break; case SM501_2D_WINDOW_WIDTH: ret = s->twoD_window_width; break; case SM501_2D_SOURCE_BASE: ret = s->twoD_source_base; break; case SM501_2D_DESTINATION_BASE: ret = s->twoD_destination_base; break; case SM501_2D_ALPHA: ret = s->twoD_alpha; break; case SM501_2D_WRAP: ret = s->twoD_wrap; break; case SM501_2D_STATUS: ret = 0; /* Should return interrupt status */ break; default: printf("sm501 disp ctrl : not implemented register read." " addr=%x\n", (int)addr); abort(); } return ret; } static void sm501_2d_engine_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { SM501State *s = (SM501State *)opaque; SM501_DPRINTF("sm501 2d engine regs : write addr=%x, val=%x\n", (unsigned)addr, (unsigned)value); switch (addr) { case SM501_2D_SOURCE: s->twoD_source = value; break; case SM501_2D_DESTINATION: s->twoD_destination = value; break; case SM501_2D_DIMENSION: s->twoD_dimension = value; break; case SM501_2D_CONTROL: s->twoD_control = value; /* do 2d operation if start flag is set. */ if (value & 0x80000000) { sm501_2d_operation(s); s->twoD_control &= ~0x80000000; /* start flag down */ } break; case SM501_2D_PITCH: s->twoD_pitch = value; break; case SM501_2D_FOREGROUND: s->twoD_foreground = value; break; case SM501_2D_BACKGROUND: s->twoD_background = value; break; case SM501_2D_STRETCH: s->twoD_stretch = value; break; case SM501_2D_COLOR_COMPARE: s->twoD_color_compare = value; break; case SM501_2D_COLOR_COMPARE_MASK: s->twoD_color_compare_mask = value; break; case SM501_2D_MASK: s->twoD_mask = value; break; case SM501_2D_CLIP_TL: s->twoD_clip_tl = value; break; case SM501_2D_CLIP_BR: s->twoD_clip_br = value; break; case SM501_2D_MONO_PATTERN_LOW: s->twoD_mono_pattern_low = value; break; case SM501_2D_MONO_PATTERN_HIGH: s->twoD_mono_pattern_high = value; break; case SM501_2D_WINDOW_WIDTH: s->twoD_window_width = value; break; case SM501_2D_SOURCE_BASE: s->twoD_source_base = value; break; case SM501_2D_DESTINATION_BASE: s->twoD_destination_base = value; break; case SM501_2D_ALPHA: s->twoD_alpha = value; break; case SM501_2D_WRAP: s->twoD_wrap = value; break; case SM501_2D_STATUS: /* ignored, writing 0 should clear interrupt status */ break; default: printf("sm501 2d engine : not implemented register write." " addr=%x, val=%x\n", (int)addr, (unsigned)value); abort(); } } static const MemoryRegionOps sm501_2d_engine_ops = { .read = sm501_2d_engine_read, .write = sm501_2d_engine_write, .valid = { .min_access_size = 4, .max_access_size = 4, }, .endianness = DEVICE_LITTLE_ENDIAN, }; /* draw line functions for all console modes */ typedef void draw_line_func(uint8_t *d, const uint8_t *s, int width, const uint32_t *pal); typedef void draw_hwc_line_func(uint8_t *d, const uint8_t *s, int width, const uint8_t *palette, int c_x, int c_y); #define DEPTH 8 #include "sm501_template.h" #define DEPTH 15 #include "sm501_template.h" #define BGR_FORMAT #define DEPTH 15 #include "sm501_template.h" #define DEPTH 16 #include "sm501_template.h" #define BGR_FORMAT #define DEPTH 16 #include "sm501_template.h" #define DEPTH 32 #include "sm501_template.h" #define BGR_FORMAT #define DEPTH 32 #include "sm501_template.h" static draw_line_func *draw_line8_funcs[] = { draw_line8_8, draw_line8_15, draw_line8_16, draw_line8_32, draw_line8_32bgr, draw_line8_15bgr, draw_line8_16bgr, }; static draw_line_func *draw_line16_funcs[] = { draw_line16_8, draw_line16_15, draw_line16_16, draw_line16_32, draw_line16_32bgr, draw_line16_15bgr, draw_line16_16bgr, }; static draw_line_func *draw_line32_funcs[] = { draw_line32_8, draw_line32_15, draw_line32_16, draw_line32_32, draw_line32_32bgr, draw_line32_15bgr, draw_line32_16bgr, }; static draw_hwc_line_func *draw_hwc_line_funcs[] = { draw_hwc_line_8, draw_hwc_line_15, draw_hwc_line_16, draw_hwc_line_32, draw_hwc_line_32bgr, draw_hwc_line_15bgr, draw_hwc_line_16bgr, }; static inline int get_depth_index(DisplaySurface *surface) { switch (surface_bits_per_pixel(surface)) { default: case 8: return 0; case 15: return 1; case 16: return 2; case 32: if (is_surface_bgr(surface)) { return 4; } else { return 3; } } } static void sm501_update_display(void *opaque) { SM501State *s = (SM501State *)opaque; DisplaySurface *surface = qemu_console_surface(s->con); DirtyBitmapSnapshot *snap; int y, c_x = 0, c_y = 0; int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; int width = get_width(s, crt); int height = get_height(s, crt); int src_bpp = get_bpp(s, crt); int dst_bpp = surface_bytes_per_pixel(surface); int dst_depth_index = get_depth_index(surface); draw_line_func *draw_line = NULL; draw_hwc_line_func *draw_hwc_line = NULL; int full_update = 0; int y_start = -1; ram_addr_t offset; uint32_t *palette; uint8_t hwc_palette[3 * 3]; uint8_t *hwc_src = NULL; if (!((crt ? s->dc_crt_control : s->dc_panel_control) & SM501_DC_CRT_CONTROL_ENABLE)) { return; } palette = (uint32_t *)(crt ? &s->dc_palette[SM501_DC_CRT_PALETTE - SM501_DC_PANEL_PALETTE] : &s->dc_palette[0]); /* choose draw_line function */ switch (src_bpp) { case 1: draw_line = draw_line8_funcs[dst_depth_index]; break; case 2: draw_line = draw_line16_funcs[dst_depth_index]; break; case 4: draw_line = draw_line32_funcs[dst_depth_index]; break; default: printf("sm501 update display : invalid control register value.\n"); abort(); break; } /* set up to draw hardware cursor */ if (is_hwc_enabled(s, crt)) { /* choose cursor draw line function */ draw_hwc_line = draw_hwc_line_funcs[dst_depth_index]; hwc_src = get_hwc_address(s, crt); c_x = get_hwc_x(s, crt); c_y = get_hwc_y(s, crt); get_hwc_palette(s, crt, hwc_palette); } /* adjust console size */ if (s->last_width != width || s->last_height != height) { qemu_console_resize(s->con, width, height); surface = qemu_console_surface(s->con); s->last_width = width; s->last_height = height; full_update = 1; } /* someone else requested a full update */ if (s->do_full_update) { s->do_full_update = false; full_update = 1; } /* draw each line according to conditions */ offset = get_fb_addr(s, crt); snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region, offset, width * height * src_bpp, DIRTY_MEMORY_VGA); for (y = 0; y < height; y++, offset += width * src_bpp) { int update, update_hwc; /* check if hardware cursor is enabled and we're within its range */ update_hwc = draw_hwc_line && c_y <= y && y < c_y + SM501_HWC_HEIGHT; update = full_update || update_hwc; /* check dirty flags for each line */ update |= memory_region_snapshot_get_dirty(&s->local_mem_region, snap, offset, width * src_bpp); /* draw line and change status */ if (update) { uint8_t *d = surface_data(surface); d += y * width * dst_bpp; /* draw graphics layer */ draw_line(d, s->local_mem + offset, width, palette); /* draw hardware cursor */ if (update_hwc) { draw_hwc_line(d, hwc_src, width, hwc_palette, c_x, y - c_y); } if (y_start < 0) { y_start = y; } } else { if (y_start >= 0) { /* flush to display */ dpy_gfx_update(s->con, 0, y_start, width, y - y_start); y_start = -1; } } } g_free(snap); /* complete flush to display */ if (y_start >= 0) { dpy_gfx_update(s->con, 0, y_start, width, y - y_start); } } static const GraphicHwOps sm501_ops = { .gfx_update = sm501_update_display, }; static void sm501_reset(SM501State *s) { s->system_control = 0x00100000; /* 2D engine FIFO empty */ /* Bits 17 (SH), 7 (CDR), 6:5 (Test), 2:0 (Bus) are all supposed * to be determined at reset by GPIO lines which set config bits. * We hardwire them: * SH = 0 : Hitachi Ready Polarity == Active Low * CDR = 0 : do not reset clock divider * TEST = 0 : Normal mode (not testing the silicon) * BUS = 0 : Hitachi SH3/SH4 */ s->misc_control = SM501_MISC_DAC_POWER; s->gpio_31_0_control = 0; s->gpio_63_32_control = 0; s->dram_control = 0; s->arbitration_control = 0x05146732; s->irq_mask = 0; s->misc_timing = 0; s->power_mode_control = 0; s->i2c_byte_count = 0; s->i2c_status = 0; s->i2c_addr = 0; memset(s->i2c_data, 0, 16); s->dc_panel_control = 0x00010000; /* FIFO level 3 */ s->dc_video_control = 0; s->dc_crt_control = 0x00010000; s->twoD_source = 0; s->twoD_destination = 0; s->twoD_dimension = 0; s->twoD_control = 0; s->twoD_pitch = 0; s->twoD_foreground = 0; s->twoD_background = 0; s->twoD_stretch = 0; s->twoD_color_compare = 0; s->twoD_color_compare_mask = 0; s->twoD_mask = 0; s->twoD_clip_tl = 0; s->twoD_clip_br = 0; s->twoD_mono_pattern_low = 0; s->twoD_mono_pattern_high = 0; s->twoD_window_width = 0; s->twoD_source_base = 0; s->twoD_destination_base = 0; s->twoD_alpha = 0; s->twoD_wrap = 0; } static void sm501_init(SM501State *s, DeviceState *dev, uint32_t local_mem_bytes) { s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes); SM501_DPRINTF("sm501 local mem size=%x. index=%d\n", get_local_mem_size(s), s->local_mem_size_index); /* local memory */ memory_region_init_ram(&s->local_mem_region, OBJECT(dev), "sm501.local", get_local_mem_size(s), &error_fatal); memory_region_set_log(&s->local_mem_region, true, DIRTY_MEMORY_VGA); s->local_mem = memory_region_get_ram_ptr(&s->local_mem_region); /* i2c */ s->i2c_bus = i2c_init_bus(dev, "sm501.i2c"); /* ddc */ I2CDDCState *ddc = I2CDDC(qdev_create(BUS(s->i2c_bus), TYPE_I2CDDC)); i2c_set_slave_address(I2C_SLAVE(ddc), 0x50); /* mmio */ memory_region_init(&s->mmio_region, OBJECT(dev), "sm501.mmio", MMIO_SIZE); memory_region_init_io(&s->system_config_region, OBJECT(dev), &sm501_system_config_ops, s, "sm501-system-config", 0x6c); memory_region_add_subregion(&s->mmio_region, SM501_SYS_CONFIG, &s->system_config_region); memory_region_init_io(&s->i2c_region, OBJECT(dev), &sm501_i2c_ops, s, "sm501-i2c", 0x14); memory_region_add_subregion(&s->mmio_region, SM501_I2C, &s->i2c_region); memory_region_init_io(&s->disp_ctrl_region, OBJECT(dev), &sm501_disp_ctrl_ops, s, "sm501-disp-ctrl", 0x1000); memory_region_add_subregion(&s->mmio_region, SM501_DC, &s->disp_ctrl_region); memory_region_init_io(&s->twoD_engine_region, OBJECT(dev), &sm501_2d_engine_ops, s, "sm501-2d-engine", 0x54); memory_region_add_subregion(&s->mmio_region, SM501_2D_ENGINE, &s->twoD_engine_region); /* create qemu graphic console */ s->con = graphic_console_init(DEVICE(dev), 0, &sm501_ops, s); } static const VMStateDescription vmstate_sm501_state = { .name = "sm501-state", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(local_mem_size_index, SM501State), VMSTATE_UINT32(system_control, SM501State), VMSTATE_UINT32(misc_control, SM501State), VMSTATE_UINT32(gpio_31_0_control, SM501State), VMSTATE_UINT32(gpio_63_32_control, SM501State), VMSTATE_UINT32(dram_control, SM501State), VMSTATE_UINT32(arbitration_control, SM501State), VMSTATE_UINT32(irq_mask, SM501State), VMSTATE_UINT32(misc_timing, SM501State), VMSTATE_UINT32(power_mode_control, SM501State), VMSTATE_UINT32(uart0_ier, SM501State), VMSTATE_UINT32(uart0_lcr, SM501State), VMSTATE_UINT32(uart0_mcr, SM501State), VMSTATE_UINT32(uart0_scr, SM501State), VMSTATE_UINT8_ARRAY(dc_palette, SM501State, DC_PALETTE_ENTRIES), VMSTATE_UINT32(dc_panel_control, SM501State), VMSTATE_UINT32(dc_panel_panning_control, SM501State), VMSTATE_UINT32(dc_panel_fb_addr, SM501State), VMSTATE_UINT32(dc_panel_fb_offset, SM501State), VMSTATE_UINT32(dc_panel_fb_width, SM501State), VMSTATE_UINT32(dc_panel_fb_height, SM501State), VMSTATE_UINT32(dc_panel_tl_location, SM501State), VMSTATE_UINT32(dc_panel_br_location, SM501State), VMSTATE_UINT32(dc_panel_h_total, SM501State), VMSTATE_UINT32(dc_panel_h_sync, SM501State), VMSTATE_UINT32(dc_panel_v_total, SM501State), VMSTATE_UINT32(dc_panel_v_sync, SM501State), VMSTATE_UINT32(dc_panel_hwc_addr, SM501State), VMSTATE_UINT32(dc_panel_hwc_location, SM501State), VMSTATE_UINT32(dc_panel_hwc_color_1_2, SM501State), VMSTATE_UINT32(dc_panel_hwc_color_3, SM501State), VMSTATE_UINT32(dc_video_control, SM501State), VMSTATE_UINT32(dc_crt_control, SM501State), VMSTATE_UINT32(dc_crt_fb_addr, SM501State), VMSTATE_UINT32(dc_crt_fb_offset, SM501State), VMSTATE_UINT32(dc_crt_h_total, SM501State), VMSTATE_UINT32(dc_crt_h_sync, SM501State), VMSTATE_UINT32(dc_crt_v_total, SM501State), VMSTATE_UINT32(dc_crt_v_sync, SM501State), VMSTATE_UINT32(dc_crt_hwc_addr, SM501State), VMSTATE_UINT32(dc_crt_hwc_location, SM501State), VMSTATE_UINT32(dc_crt_hwc_color_1_2, SM501State), VMSTATE_UINT32(dc_crt_hwc_color_3, SM501State), VMSTATE_UINT32(twoD_source, SM501State), VMSTATE_UINT32(twoD_destination, SM501State), VMSTATE_UINT32(twoD_dimension, SM501State), VMSTATE_UINT32(twoD_control, SM501State), VMSTATE_UINT32(twoD_pitch, SM501State), VMSTATE_UINT32(twoD_foreground, SM501State), VMSTATE_UINT32(twoD_background, SM501State), VMSTATE_UINT32(twoD_stretch, SM501State), VMSTATE_UINT32(twoD_color_compare, SM501State), VMSTATE_UINT32(twoD_color_compare_mask, SM501State), VMSTATE_UINT32(twoD_mask, SM501State), VMSTATE_UINT32(twoD_clip_tl, SM501State), VMSTATE_UINT32(twoD_clip_br, SM501State), VMSTATE_UINT32(twoD_mono_pattern_low, SM501State), VMSTATE_UINT32(twoD_mono_pattern_high, SM501State), VMSTATE_UINT32(twoD_window_width, SM501State), VMSTATE_UINT32(twoD_source_base, SM501State), VMSTATE_UINT32(twoD_destination_base, SM501State), VMSTATE_UINT32(twoD_alpha, SM501State), VMSTATE_UINT32(twoD_wrap, SM501State), /* Added in version 2 */ VMSTATE_UINT8(i2c_byte_count, SM501State), VMSTATE_UINT8(i2c_status, SM501State), VMSTATE_UINT8(i2c_addr, SM501State), VMSTATE_UINT8_ARRAY(i2c_data, SM501State, 16), VMSTATE_END_OF_LIST() } }; #define TYPE_SYSBUS_SM501 "sysbus-sm501" #define SYSBUS_SM501(obj) \ OBJECT_CHECK(SM501SysBusState, (obj), TYPE_SYSBUS_SM501) typedef struct { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ SM501State state; uint32_t vram_size; uint32_t base; void *chr_state; } SM501SysBusState; static void sm501_realize_sysbus(DeviceState *dev, Error **errp) { SM501SysBusState *s = SYSBUS_SM501(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); DeviceState *usb_dev; sm501_init(&s->state, dev, s->vram_size); if (get_local_mem_size(&s->state) != s->vram_size) { error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, get_local_mem_size(&s->state)); return; } sysbus_init_mmio(sbd, &s->state.local_mem_region); sysbus_init_mmio(sbd, &s->state.mmio_region); /* bridge to usb host emulation module */ usb_dev = qdev_create(NULL, "sysbus-ohci"); qdev_prop_set_uint32(usb_dev, "num-ports", 2); qdev_prop_set_uint64(usb_dev, "dma-offset", s->base); qdev_init_nofail(usb_dev); memory_region_add_subregion(&s->state.mmio_region, SM501_USB_HOST, sysbus_mmio_get_region(SYS_BUS_DEVICE(usb_dev), 0)); sysbus_pass_irq(sbd, SYS_BUS_DEVICE(usb_dev)); /* bridge to serial emulation module */ if (s->chr_state) { serial_mm_init(&s->state.mmio_region, SM501_UART0, 2, NULL, /* TODO : chain irq to IRL */ 115200, s->chr_state, DEVICE_LITTLE_ENDIAN); } } static Property sm501_sysbus_properties[] = { DEFINE_PROP_UINT32("vram-size", SM501SysBusState, vram_size, 0), DEFINE_PROP_UINT32("base", SM501SysBusState, base, 0), DEFINE_PROP_PTR("chr-state", SM501SysBusState, chr_state), DEFINE_PROP_END_OF_LIST(), }; static void sm501_reset_sysbus(DeviceState *dev) { SM501SysBusState *s = SYSBUS_SM501(dev); sm501_reset(&s->state); } static const VMStateDescription vmstate_sm501_sysbus = { .name = TYPE_SYSBUS_SM501, .version_id = 2, .minimum_version_id = 2, .fields = (VMStateField[]) { VMSTATE_STRUCT(state, SM501SysBusState, 1, vmstate_sm501_state, SM501State), VMSTATE_END_OF_LIST() } }; static void sm501_sysbus_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = sm501_realize_sysbus; set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); dc->desc = "SM501 Multimedia Companion"; dc->props = sm501_sysbus_properties; dc->reset = sm501_reset_sysbus; dc->vmsd = &vmstate_sm501_sysbus; /* Note: pointer property "chr-state" may remain null, thus * no need for dc->user_creatable = false; */ } static const TypeInfo sm501_sysbus_info = { .name = TYPE_SYSBUS_SM501, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(SM501SysBusState), .class_init = sm501_sysbus_class_init, }; #define TYPE_PCI_SM501 "sm501" #define PCI_SM501(obj) OBJECT_CHECK(SM501PCIState, (obj), TYPE_PCI_SM501) typedef struct { /*< private >*/ PCIDevice parent_obj; /*< public >*/ SM501State state; uint32_t vram_size; } SM501PCIState; static void sm501_realize_pci(PCIDevice *dev, Error **errp) { SM501PCIState *s = PCI_SM501(dev); sm501_init(&s->state, DEVICE(dev), s->vram_size); if (get_local_mem_size(&s->state) != s->vram_size) { error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, get_local_mem_size(&s->state)); return; } pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->state.local_mem_region); pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->state.mmio_region); } static Property sm501_pci_properties[] = { DEFINE_PROP_UINT32("vram-size", SM501PCIState, vram_size, 64 * MiB), DEFINE_PROP_END_OF_LIST(), }; static void sm501_reset_pci(DeviceState *dev) { SM501PCIState *s = PCI_SM501(dev); sm501_reset(&s->state); /* Bits 2:0 of misc_control register is 001 for PCI */ s->state.misc_control |= 1; } static const VMStateDescription vmstate_sm501_pci = { .name = TYPE_PCI_SM501, .version_id = 2, .minimum_version_id = 2, .fields = (VMStateField[]) { VMSTATE_PCI_DEVICE(parent_obj, SM501PCIState), VMSTATE_STRUCT(state, SM501PCIState, 1, vmstate_sm501_state, SM501State), VMSTATE_END_OF_LIST() } }; static void sm501_pci_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->realize = sm501_realize_pci; k->vendor_id = PCI_VENDOR_ID_SILICON_MOTION; k->device_id = PCI_DEVICE_ID_SM501; k->class_id = PCI_CLASS_DISPLAY_OTHER; set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); dc->desc = "SM501 Display Controller"; dc->props = sm501_pci_properties; dc->reset = sm501_reset_pci; dc->hotpluggable = false; dc->vmsd = &vmstate_sm501_pci; } static const TypeInfo sm501_pci_info = { .name = TYPE_PCI_SM501, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(SM501PCIState), .class_init = sm501_pci_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, { }, }, }; static void sm501_register_types(void) { type_register_static(&sm501_sysbus_info); type_register_static(&sm501_pci_info); } type_init(sm501_register_types)