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qemu/hw/display/sm501.c
Richard Henderson f0613160d2 hw/display: Constify VMState 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-27-richard.henderson@linaro.org>
2023-12-29 11:17:30 +11:00

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/*
* QEMU SM501 Device
*
* Copyright (c) 2008 Shin-ichiro KAWASAKI
* Copyright (c) 2016-2020 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/module.h"
#include "hw/usb/hcd-ohci.h"
#include "hw/char/serial.h"
#include "ui/console.h"
#include "hw/sysbus.h"
#include "migration/vmstate.h"
#include "hw/pci/pci_device.h"
#include "hw/qdev-properties.h"
#include "hw/i2c/i2c.h"
#include "hw/display/i2c-ddc.h"
#include "qemu/range.h"
#include "ui/pixel_ops.h"
#include "qemu/bswap.h"
#include "trace.h"
#include "qom/object.h"
#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
#ifdef CONFIG_PIXMAN
#define DEFAULT_X_PIXMAN 7
#else
#define DEFAULT_X_PIXMAN 0
#endif
/* 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 */
uint8_t use_pixman;
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)
{
int cmd = (s->twoD_control >> 16) & 0x1F;
int rtl = s->twoD_control & BIT(27);
int format = (s->twoD_stretch >> 20) & 3;
int bypp = 1 << format; /* bytes per pixel */
int rop_mode = (s->twoD_control >> 15) & 1; /* 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) & 1;
int rop = s->twoD_control & 0xFF;
unsigned int dst_x = (s->twoD_destination >> 16) & 0x01FFF;
unsigned int dst_y = s->twoD_destination & 0xFFFF;
unsigned int width = (s->twoD_dimension >> 16) & 0x1FFF;
unsigned int height = s->twoD_dimension & 0xFFFF;
uint32_t dst_base = s->twoD_destination_base & 0x03FFFFFF;
unsigned int dst_pitch = (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);
bool overlap = false, fallback = false;
if ((s->twoD_stretch >> 16) & 0xF) {
qemu_log_mask(LOG_UNIMP, "sm501: only XY addressing is supported.\n");
return;
}
if (s->twoD_source_base & BIT(27) || s->twoD_destination_base & BIT(27)) {
qemu_log_mask(LOG_UNIMP, "sm501: only local memory is supported.\n");
return;
}
if (!dst_pitch) {
qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero dest pitch.\n");
return;
}
if (!width || !height) {
qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero size 2D op.\n");
return;
}
if (rtl) {
dst_x -= width - 1;
dst_y -= height - 1;
}
if (dst_base >= get_local_mem_size(s) ||
dst_base + (dst_x + width + (dst_y + height) * dst_pitch) * bypp >=
get_local_mem_size(s)) {
qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op dest is outside vram.\n");
return;
}
switch (cmd) {
case 0: /* BitBlt */
{
unsigned int src_x = (s->twoD_source >> 16) & 0x01FFF;
unsigned int src_y = s->twoD_source & 0xFFFF;
uint32_t src_base = s->twoD_source_base & 0x03FFFFFF;
unsigned int src_pitch = s->twoD_pitch & 0x1FFF;
if (!src_pitch) {
qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero src pitch.\n");
return;
}
if (rtl) {
src_x -= width - 1;
src_y -= height - 1;
}
if (src_base >= get_local_mem_size(s) ||
src_base + (src_x + width + (src_y + height) * src_pitch) * bypp >=
get_local_mem_size(s)) {
qemu_log_mask(LOG_GUEST_ERROR,
"sm501: 2D op src is outside vram.\n");
return;
}
if ((rop_mode && rop == 0x5) || (!rop_mode && rop == 0x55)) {
/* DSTINVERT, is there a way to do this with pixman? */
unsigned int x, y, i;
uint8_t *d = s->local_mem + dst_base;
for (y = 0; y < height; y++) {
i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
for (x = 0; x < width; x++, i += bypp) {
stn_he_p(&d[i], bypp, ~ldn_he_p(&d[i], bypp));
}
}
} else if (!rop_mode && rop == 0x99) {
/* DSxn, is there a way to do this with pixman? */
unsigned int x, y, i, j;
uint8_t *sp = s->local_mem + src_base;
uint8_t *d = s->local_mem + dst_base;
for (y = 0; y < height; y++) {
i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
j = (src_x + (src_y + y) * src_pitch) * bypp;
for (x = 0; x < width; x++, i += bypp, j += bypp) {
stn_he_p(&d[i], bypp,
~(ldn_he_p(&sp[j], bypp) ^ ldn_he_p(&d[i], bypp)));
}
}
} else if (!rop_mode && rop == 0xee) {
/* SRCPAINT, is there a way to do this with pixman? */
unsigned int x, y, i, j;
uint8_t *sp = s->local_mem + src_base;
uint8_t *d = s->local_mem + dst_base;
for (y = 0; y < height; y++) {
i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
j = (src_x + (src_y + y) * src_pitch) * bypp;
for (x = 0; x < width; x++, i += bypp, j += bypp) {
stn_he_p(&d[i], bypp,
ldn_he_p(&sp[j], bypp) | ldn_he_p(&d[i], bypp));
}
}
} else {
/* Do copy src for unimplemented ops, better than unpainted area */
if ((rop_mode && (rop != 0xc || rop2_source_is_pattern)) ||
(!rop_mode && rop != 0xcc)) {
qemu_log_mask(LOG_UNIMP,
"sm501: rop%d op %x%s not implemented\n",
(rop_mode ? 2 : 3), rop,
(rop2_source_is_pattern ?
" with pattern source" : ""));
}
/* Ignore no-op blits, some guests seem to do this */
if (src_base == dst_base && src_pitch == dst_pitch &&
src_x == dst_x && src_y == dst_y) {
break;
}
/* Some clients also do 1 pixel blits, avoid overhead for these */
if (width == 1 && height == 1) {
unsigned int si = (src_x + src_y * src_pitch) * bypp;
unsigned int di = (dst_x + dst_y * dst_pitch) * bypp;
stn_he_p(&s->local_mem[dst_base + di], bypp,
ldn_he_p(&s->local_mem[src_base + si], bypp));
break;
}
/* If reverse blit do simple check for overlaps */
if (rtl && src_base == dst_base && src_pitch == dst_pitch) {
overlap = (src_x < dst_x + width && src_x + width > dst_x &&
src_y < dst_y + height && src_y + height > dst_y);
} else if (rtl) {
unsigned int sb, se, db, de;
sb = src_base + (src_x + src_y * src_pitch) * bypp;
se = sb + (width + (height - 1) * src_pitch) * bypp;
db = dst_base + (dst_x + dst_y * dst_pitch) * bypp;
de = db + (width + (height - 1) * dst_pitch) * bypp;
overlap = (db < se && sb < de);
}
#ifdef CONFIG_PIXMAN
if (overlap && (s->use_pixman & BIT(2))) {
/* pixman can't do reverse blit: copy via temporary */
int tmp_stride = DIV_ROUND_UP(width * bypp, sizeof(uint32_t));
static uint32_t tmp_buf[16384];
uint32_t *tmp = tmp_buf;
if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_buf)) {
tmp = g_malloc(tmp_stride * sizeof(uint32_t) * height);
}
fallback = !pixman_blt((uint32_t *)&s->local_mem[src_base],
tmp,
src_pitch * bypp / sizeof(uint32_t),
tmp_stride,
8 * bypp, 8 * bypp,
src_x, src_y, 0, 0, width, height);
if (!fallback) {
fallback = !pixman_blt(tmp,
(uint32_t *)&s->local_mem[dst_base],
tmp_stride,
dst_pitch * bypp / sizeof(uint32_t),
8 * bypp, 8 * bypp,
0, 0, dst_x, dst_y, width, height);
}
if (tmp != tmp_buf) {
g_free(tmp);
}
} else if (!overlap && (s->use_pixman & BIT(1))) {
fallback = !pixman_blt((uint32_t *)&s->local_mem[src_base],
(uint32_t *)&s->local_mem[dst_base],
src_pitch * bypp / sizeof(uint32_t),
dst_pitch * bypp / sizeof(uint32_t),
8 * bypp, 8 * bypp, src_x, src_y,
dst_x, dst_y, width, height);
} else
#endif
{
fallback = true;
}
if (fallback) {
uint8_t *sp = s->local_mem + src_base;
uint8_t *d = s->local_mem + dst_base;
unsigned int y, i, j;
for (y = 0; y < height; y++) {
if (overlap) { /* overlap also means rtl */
i = (dst_y + height - 1 - y) * dst_pitch;
i = (dst_x + i) * bypp;
j = (src_y + height - 1 - y) * src_pitch;
j = (src_x + j) * bypp;
memmove(&d[i], &sp[j], width * bypp);
} else {
i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
j = (src_x + (src_y + y) * src_pitch) * bypp;
memcpy(&d[i], &sp[j], width * bypp);
}
}
}
}
break;
}
case 1: /* Rectangle Fill */
{
uint32_t color = s->twoD_foreground;
if (format == 2) {
color = cpu_to_le32(color);
} else if (format == 1) {
color = cpu_to_le16(color);
}
#ifdef CONFIG_PIXMAN
if (!(s->use_pixman & BIT(0)) || (width == 1 && height == 1) ||
!pixman_fill((uint32_t *)&s->local_mem[dst_base],
dst_pitch * bypp / sizeof(uint32_t), 8 * bypp,
dst_x, dst_y, width, height, color))
#endif
{
/* fallback when pixman failed or we don't want to call it */
uint8_t *d = s->local_mem + dst_base;
unsigned int x, y, i;
for (y = 0; y < height; y++) {
i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
for (x = 0; x < width; x++, i += bypp) {
stn_he_p(&d[i], bypp, color);
}
}
}
break;
}
default:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2D operation: %d\n",
cmd);
return;
}
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 + height - 1) * dst_pitch +
dst_x + width) * bypp);
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 = opaque;
uint32_t ret = 0;
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:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config"
"register read. addr=%" HWADDR_PRIx "\n", addr);
}
trace_sm501_system_config_read(addr, ret);
return ret;
}
static void sm501_system_config_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
SM501State *s = opaque;
trace_sm501_system_config_write((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) {
qemu_log_mask(LOG_UNIMP, "sm501: system config big endian mode not"
" implemented.\n");
}
break;
default:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config"
"register write. addr=%" HWADDR_PRIx
", val=%" PRIx64 "\n", addr, value);
}
}
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 = 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);
}
trace_sm501_i2c_read((uint32_t)addr, ret);
return ret;
}
static void sm501_i2c_write(void *opaque, hwaddr addr, uint64_t value,
unsigned size)
{
SM501State *s = opaque;
trace_sm501_i2c_write((uint32_t)addr, (uint32_t)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) {
bool is_recv = s->i2c_addr & 1;
int res = i2c_start_transfer(s->i2c_bus,
s->i2c_addr >> 1,
is_recv);
if (res) {
s->i2c_status |= SM501_I2C_STATUS_ERROR;
} else {
int i;
for (i = 0; i <= s->i2c_byte_count; i++) {
if (is_recv) {
s->i2c_data[i] = i2c_recv(s->i2c_bus);
} else if (i2c_send(s->i2c_bus, s->i2c_data[i]) < 0) {
s->i2c_status |= SM501_I2C_STATUS_ERROR;
return;
}
}
if (i) {
s->i2c_status = SM501_I2C_STATUS_COMPLETE;
}
}
} else {
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 = opaque;
trace_sm501_palette_read((uint32_t)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 = opaque;
trace_sm501_palette_write((uint32_t)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 = opaque;
uint32_t ret = 0;
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:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register "
"read. addr=%" HWADDR_PRIx "\n", addr);
}
trace_sm501_disp_ctrl_read((uint32_t)addr, ret);
return ret;
}
static void sm501_disp_ctrl_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
SM501State *s = opaque;
trace_sm501_disp_ctrl_write((uint32_t)addr, (uint32_t)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:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register "
"write. addr=%" HWADDR_PRIx
", val=%" PRIx64 "\n", addr, value);
}
}
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 = opaque;
uint32_t ret = 0;
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:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register "
"read. addr=%" HWADDR_PRIx "\n", addr);
}
trace_sm501_2d_engine_read((uint32_t)addr, ret);
return ret;
}
static void sm501_2d_engine_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
SM501State *s = opaque;
trace_sm501_2d_engine_write((uint32_t)addr, (uint32_t)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:
if (((value >> 20) & 3) == 3) {
value &= ~BIT(20);
}
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:
qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2d engine register "
"write. addr=%" HWADDR_PRIx
", val=%" PRIx64 "\n", addr, value);
}
}
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);
static void draw_line8_32(uint8_t *d, const uint8_t *s, int width,
const uint32_t *pal)
{
uint8_t v, r, g, b;
do {
v = ldub_p(s);
r = (pal[v] >> 16) & 0xff;
g = (pal[v] >> 8) & 0xff;
b = (pal[v] >> 0) & 0xff;
*(uint32_t *)d = rgb_to_pixel32(r, g, b);
s++;
d += 4;
} while (--width != 0);
}
static void draw_line16_32(uint8_t *d, const uint8_t *s, int width,
const uint32_t *pal)
{
uint16_t rgb565;
uint8_t r, g, b;
do {
rgb565 = lduw_le_p(s);
r = (rgb565 >> 8) & 0xf8;
g = (rgb565 >> 3) & 0xfc;
b = (rgb565 << 3) & 0xf8;
*(uint32_t *)d = rgb_to_pixel32(r, g, b);
s += 2;
d += 4;
} while (--width != 0);
}
static void draw_line32_32(uint8_t *d, const uint8_t *s, int width,
const uint32_t *pal)
{
uint8_t r, g, b;
do {
r = s[2];
g = s[1];
b = s[0];
*(uint32_t *)d = rgb_to_pixel32(r, g, b);
s += 4;
d += 4;
} while (--width != 0);
}
/**
* Draw hardware cursor image on the given line.
*/
static void draw_hwc_line_32(uint8_t *d, const uint8_t *s, int width,
const uint8_t *palette, int c_x, int c_y)
{
int i;
uint8_t r, g, b, v, bitset = 0;
/* get cursor position */
assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
s += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */
d += c_x * 4;
for (i = 0; i < SM501_HWC_WIDTH && c_x + i < width; i++) {
/* get pixel value */
if (i % 4 == 0) {
bitset = ldub_p(s);
s++;
}
v = bitset & 3;
bitset >>= 2;
/* write pixel */
if (v) {
v--;
r = palette[v * 3 + 0];
g = palette[v * 3 + 1];
b = palette[v * 3 + 2];
*(uint32_t *)d = rgb_to_pixel32(r, g, b);
}
d += 4;
}
}
static void sm501_update_display(void *opaque)
{
SM501State *s = 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);
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;
assert(dst_bpp == 4); /* Output is always 32-bit RGB */
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_32;
break;
case 2:
draw_line = draw_line16_32;
break;
case 4:
draw_line = draw_line32_32;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR, "sm501: update display"
"invalid control register value.\n");
return;
}
/* set up to draw hardware cursor */
if (is_hwc_enabled(s, crt)) {
/* choose cursor draw line function */
draw_hwc_line = draw_hwc_line_32;
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)
{
#ifndef CONFIG_PIXMAN
if (s->use_pixman != 0) {
warn_report("x-pixman != 0, not effective without PIXMAN");
}
#endif
s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes);
/* 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_new(TYPE_I2CDDC));
i2c_slave_set_address(I2C_SLAVE(ddc), 0x50);
qdev_realize_and_unref(DEVICE(ddc), BUS(s->i2c_bus), &error_abort);
/* 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(dev, 0, &sm501_ops, s);
}
static const VMStateDescription vmstate_sm501_state = {
.name = "sm501-state",
.version_id = 1,
.minimum_version_id = 1,
.fields = (const 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"
OBJECT_DECLARE_SIMPLE_TYPE(SM501SysBusState, SYSBUS_SM501)
struct SM501SysBusState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
SM501State state;
uint32_t vram_size;
SerialMM serial;
OHCISysBusState ohci;
};
static void sm501_realize_sysbus(DeviceState *dev, Error **errp)
{
SM501SysBusState *s = SYSBUS_SM501(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
MemoryRegion *mr;
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 */
sysbus_realize_and_unref(SYS_BUS_DEVICE(&s->ohci), &error_fatal);
memory_region_add_subregion(&s->state.mmio_region, SM501_USB_HOST,
sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ohci), 0));
sysbus_pass_irq(sbd, SYS_BUS_DEVICE(&s->ohci));
/* bridge to serial emulation module */
sysbus_realize(SYS_BUS_DEVICE(&s->serial), &error_fatal);
mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->serial), 0);
memory_region_add_subregion(&s->state.mmio_region, SM501_UART0, mr);
/* TODO : chain irq to IRL */
}
static Property sm501_sysbus_properties[] = {
DEFINE_PROP_UINT32("vram-size", SM501SysBusState, vram_size, 0),
/* this a debug option, prefer PROP_UINT over PROP_BIT for simplicity */
DEFINE_PROP_UINT8("x-pixman", SM501SysBusState, state.use_pixman, DEFAULT_X_PIXMAN),
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 = (const 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";
device_class_set_props(dc, sm501_sysbus_properties);
dc->reset = sm501_reset_sysbus;
dc->vmsd = &vmstate_sm501_sysbus;
}
static void sm501_sysbus_init(Object *o)
{
SM501SysBusState *sm501 = SYSBUS_SM501(o);
OHCISysBusState *ohci = &sm501->ohci;
SerialMM *smm = &sm501->serial;
object_initialize_child(o, "ohci", ohci, TYPE_SYSBUS_OHCI);
object_property_add_alias(o, "dma-offset", OBJECT(ohci), "dma-offset");
qdev_prop_set_uint32(DEVICE(ohci), "num-ports", 2);
object_initialize_child(o, "serial", smm, TYPE_SERIAL_MM);
qdev_set_legacy_instance_id(DEVICE(smm), SM501_UART0, 2);
qdev_prop_set_uint8(DEVICE(smm), "regshift", 2);
qdev_prop_set_uint8(DEVICE(smm), "endianness", DEVICE_LITTLE_ENDIAN);
object_property_add_alias(o, "chardev", OBJECT(smm), "chardev");
}
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,
.instance_init = sm501_sysbus_init,
};
#define TYPE_PCI_SM501 "sm501"
OBJECT_DECLARE_SIMPLE_TYPE(SM501PCIState, PCI_SM501)
struct SM501PCIState {
/*< private >*/
PCIDevice parent_obj;
/*< public >*/
SM501State state;
uint32_t vram_size;
};
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_UINT8("x-pixman", SM501PCIState, state.use_pixman, DEFAULT_X_PIXMAN),
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 = (const 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";
device_class_set_props(dc, sm501_pci_properties);
dc->reset = sm501_reset_pci;
dc->hotpluggable = false;
dc->vmsd = &vmstate_sm501_pci;
}
static void sm501_pci_init(Object *o)
{
object_property_set_description(o, "x-pixman", "Use pixman for: "
"1: fill, 2: blit, 4: overlap blit");
}
static const TypeInfo sm501_pci_info = {
.name = TYPE_PCI_SM501,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(SM501PCIState),
.class_init = sm501_pci_class_init,
.instance_init = sm501_pci_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)
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