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qemu/hw/display/sm501.c
Gerd Hoffmann ca7f544123 sm501: make display updates thread safe 
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170509111928.30935-1-kraxel@redhat.com
2017-05-11 09:50:29 +02:00

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/*
* 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/cutils.h"
#include "qapi/error.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 "qemu/range.h"
#include "ui/pixel_ops.h"
#include "exec/address-spaces.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)
/* 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 * M_BYTE,
[1] = 8 * M_BYTE,
[2] = 16 * M_BYTE,
[3] = 32 * M_BYTE,
[4] = 64 * M_BYTE,
[5] = 2 * M_BYTE,
};
#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 disp_ctrl_region;
MemoryRegion twoD_engine_region;
uint32_t last_width;
uint32_t last_height;
/* 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;
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 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 << 3) & 0xf8; /* red */
palette[i * 3 + 1] = (rgb565 >> 3) & 0xfc; /* green */
palette[i * 3 + 2] = (rgb565 >> 8) & 0xf8; /* blue */
}
}
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, 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;
/* get frame buffer info */
uint8_t *src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);
uint8_t *dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);
int src_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
int dst_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
if (addressing != 0x0) {
printf("%s: only XY addressing is supported.\n", __func__);
abort();
}
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++) { \
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; \
} \
*(_pixel_type *)&dst[index_d] = *(_pixel_type *)&src[index_s];\
} \
} \
}
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;
}
}
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_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;
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 = value & 0xE300B8F7;
break;
case SM501_MISC_CONTROL:
s->misc_control = value & 0xFF7FFF20;
break;
case SM501_GPIO31_0_CONTROL:
s->gpio_31_0_control = value;
break;
case SM501_GPIO63_32_CONTROL:
s->gpio_63_32_control = value;
break;
case SM501_DRAM_CONTROL:
s->local_mem_size_index = (value >> 13) & 0x7;
/* TODO : check validity of size change */
s->dram_control |= value & 0x7FFFFFC3;
break;
case SM501_ARBTRTN_CONTROL:
s->arbitration_control = value & 0x37777777;
break;
case SM501_IRQ_MASK:
s->irq_mask = value;
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;
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 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;
}
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_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_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_FB_ADDR:
s->dc_panel_fb_addr = value & 0x8FFFFFF0;
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;
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 = 0;
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;
}
/* draw each line according to conditions */
memory_region_sync_dirty_bitmap(&s->local_mem_region);
snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region,
offset, width * height * src_bpp, DIRTY_MEMORY_VGA);
for (y = 0, offset = 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->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);
vmstate_register_ram_global(&s->local_mem_region);
memory_region_set_log(&s->local_mem_region, true, DIRTY_MEMORY_VGA);
s->local_mem = memory_region_get_ram_ptr(&s->local_mem_region);
/* 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->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),
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 = 1,
.minimum_version_id = 1,
.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->cannot_instantiate_with_device_add_yet = true;
*/
}
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 * M_BYTE),
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 = 1,
.minimum_version_id = 1,
.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,
};
static void sm501_register_types(void)
{
type_register_static(&sm501_sysbus_info);
type_register_static(&sm501_pci_info);
}
type_init(sm501_register_types)
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