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xemu/hw/sm501.c
Shin-ichiro KAWASAKI 0a4e7cd237 sh: sm501: Add hardware cursor feature 
This patch adds hardware cursor feature to SM501 graphics chip emulation,
to make the graphic console more useful for QEMU SH4 users.

Signed-off-by: Shin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14 16:15:50 +01:00

1238 lines
33 KiB
C
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/*
* QEMU SM501 Device
*
* Copyright (c) 2008 Shin-ichiro KAWASAKI
*
* 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 <stdio.h>
#include "hw.h"
#include "pc.h"
#include "console.h"
#include "devices.h"
/*
* Status: 2008/11/02
* - Minimum implementation for Linux console : mmio regs and CRT layer.
* - Always updates full screen.
*
* TODO:
* - Panel support
* - Hardware cursor support
* - Touch panel support
* - USB support
* - UART 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
/* 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*1024*1024,
[1] = 8*1024*1024,
[2] = 16*1024*1024,
[3] = 32*1024*1024,
[4] = 64*1024*1024,
[5] = 2*1024*1024,
};
#define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index]
typedef struct SM501State {
/* graphic console status */
DisplayState *ds;
/* status & internal resources */
target_phys_addr_t base;
uint32_t local_mem_size_index;
uint8_t * local_mem;
ram_addr_t local_mem_offset;
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 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[0x400 * 3];
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_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;
} 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;
}
/**
* 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 & 0x80000000;
}
/**
* Get the address which holds cursor pattern data.
* @param crt 0 for PANEL, 1 for CRT.
*/
static inline uint32_t get_hwc_address(SM501State *state, int crt)
{
uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr;
return (addr & 0x03FFFFF0)/* >> 4*/;
}
/**
* 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 cursor position in x coordinate.
* @param crt 0 for PANEL, 1 for CRT.
* @param index 0, 1, 2 or 3 which specifies color of corsor dot.
*/
static inline uint16_t get_hwc_color(SM501State *state, int crt, int index)
{
uint16_t color_reg = 0;
uint16_t color_565 = 0;
if (index == 0) {
return 0;
}
switch (index) {
case 1:
case 2:
color_reg = crt ? state->dc_crt_hwc_color_1_2
: state->dc_panel_hwc_color_1_2;
break;
case 3:
color_reg = crt ? state->dc_crt_hwc_color_3
: state->dc_panel_hwc_color_3;
break;
default:
printf("invalid hw cursor color.\n");
assert(0);
}
switch (index) {
case 1:
case 3:
color_565 = (uint16_t)(color_reg & 0xFFFF);
break;
case 2:
color_565 = (uint16_t)((color_reg >> 16) & 0xFFFF);
break;
}
return color_565;
}
static int within_hwc_y_range(SM501State *state, int y, int crt)
{
int hwc_y = get_hwc_y(state, crt);
return (hwc_y <= y && y < hwc_y + SM501_HWC_HEIGHT);
}
static uint32_t sm501_system_config_read(void *opaque, target_phys_addr_t addr)
{
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_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);
assert(0);
}
return ret;
}
static void sm501_system_config_write(void *opaque,
target_phys_addr_t addr, uint32_t value)
{
SM501State * s = (SM501State *)opaque;
SM501_DPRINTF("sm501 system config regs : write addr=%x, val=%x\n",
addr, 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;
/* rODO : check validity of size change */
s->dram_control |= value & 0x7FFFFFC3;
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, value);
assert(0);
}
}
static CPUReadMemoryFunc * const sm501_system_config_readfn[] = {
NULL,
NULL,
&sm501_system_config_read,
};
static CPUWriteMemoryFunc * const sm501_system_config_writefn[] = {
NULL,
NULL,
&sm501_system_config_write,
};
static uint32_t sm501_palette_read(void *opaque, target_phys_addr_t addr)
{
SM501State * s = (SM501State *)opaque;
SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr);
/* TODO : consider BYTE/WORD access */
/* TODO : consider endian */
assert(0 <= addr && addr < 0x400 * 3);
return *(uint32_t*)&s->dc_palette[addr];
}
static void sm501_palette_write(void *opaque,
target_phys_addr_t 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(0 <= addr && addr < 0x400 * 3);
*(uint32_t*)&s->dc_palette[addr] = value;
}
static uint32_t sm501_disp_ctrl_read(void *opaque, target_phys_addr_t addr)
{
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_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);
assert(0);
}
return ret;
}
static void sm501_disp_ctrl_write(void *opaque,
target_phys_addr_t addr,
uint32_t value)
{
SM501State * s = (SM501State *)opaque;
SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, val=%x\n",
addr, 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:
s->dc_panel_hwc_addr = value & 0x8FFFFFF0;
break;
case SM501_DC_PANEL_HWC_LOC:
s->dc_panel_hwc_location = value & 0x0FFF0FFF;
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_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:
s->dc_crt_hwc_addr = value & 0x8FFFFFF0;
break;
case SM501_DC_CRT_HWC_LOC:
s->dc_crt_hwc_location = value & 0x0FFF0FFF;
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, value);
assert(0);
}
}
static CPUReadMemoryFunc * const sm501_disp_ctrl_readfn[] = {
NULL,
NULL,
&sm501_disp_ctrl_read,
};
static CPUWriteMemoryFunc * const sm501_disp_ctrl_writefn[] = {
NULL,
NULL,
&sm501_disp_ctrl_write,
};
/* draw line functions for all console modes */
#include "pixel_ops.h"
typedef void draw_line_func(uint8_t *d, const uint8_t *s,
int width, const uint32_t *pal);
typedef void draw_hwc_line_func(SM501State * s, int crt, uint8_t * palette,
int c_y, uint8_t *d, int width);
#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(DisplayState *s)
{
switch(ds_get_bits_per_pixel(s)) {
default:
case 8:
return 0;
case 15:
return 1;
case 16:
return 2;
case 32:
if (is_surface_bgr(s->surface))
return 4;
else
return 3;
}
}
static void sm501_draw_crt(SM501State * s)
{
int y;
int width = (s->dc_crt_h_total & 0x00000FFF) + 1;
int height = (s->dc_crt_v_total & 0x00000FFF) + 1;
uint8_t * src = s->local_mem;
int src_bpp = 0;
int dst_bpp = ds_get_bytes_per_pixel(s->ds) + (ds_get_bits_per_pixel(s->ds) % 8 ? 1 : 0);
uint32_t * palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE
- SM501_DC_PANEL_PALETTE];
uint8_t hwc_palette[3 * 3];
int ds_depth_index = get_depth_index(s->ds);
draw_line_func * draw_line = NULL;
draw_hwc_line_func * draw_hwc_line = NULL;
int full_update = 0;
int y_start = -1;
int page_min = 0x7fffffff;
int page_max = -1;
ram_addr_t offset = s->local_mem_offset;
/* choose draw_line function */
switch (s->dc_crt_control & 3) {
case SM501_DC_CRT_CONTROL_8BPP:
src_bpp = 1;
draw_line = draw_line8_funcs[ds_depth_index];
break;
case SM501_DC_CRT_CONTROL_16BPP:
src_bpp = 2;
draw_line = draw_line16_funcs[ds_depth_index];
break;
case SM501_DC_CRT_CONTROL_32BPP:
src_bpp = 4;
draw_line = draw_line32_funcs[ds_depth_index];
break;
default:
printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n",
s->dc_crt_control);
assert(0);
break;
}
/* set up to draw hardware cursor */
if (is_hwc_enabled(s, 1)) {
int i;
/* get cursor palette */
for (i = 0; i < 3; i++) {
uint16_t rgb565 = get_hwc_color(s, 1, i + 1);
hwc_palette[i * 3 + 0] = (rgb565 & 0xf800) >> 8; /* red */
hwc_palette[i * 3 + 1] = (rgb565 & 0x07e0) >> 3; /* green */
hwc_palette[i * 3 + 2] = (rgb565 & 0x001f) << 3; /* blue */
}
/* choose cursor draw line function */
draw_hwc_line = draw_hwc_line_funcs[ds_depth_index];
}
/* adjust console size */
if (s->last_width != width || s->last_height != height) {
qemu_console_resize(s->ds, width, height);
s->last_width = width;
s->last_height = height;
full_update = 1;
}
/* draw each line according to conditions */
for (y = 0; y < height; y++) {
int update_hwc = draw_hwc_line ? within_hwc_y_range(s, y, 1) : 0;
int update = full_update || update_hwc;
ram_addr_t page0 = offset & TARGET_PAGE_MASK;
ram_addr_t page1 = (offset + width * src_bpp - 1) & TARGET_PAGE_MASK;
ram_addr_t page;
/* check dirty flags for each line */
for (page = page0; page <= page1; page += TARGET_PAGE_SIZE)
if (cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG))
update = 1;
/* draw line and change status */
if (update) {
uint8_t * d = &(ds_get_data(s->ds)[y * width * dst_bpp]);
/* draw graphics layer */
draw_line(d, src, width, palette);
/* draw haredware cursor */
if (update_hwc) {
draw_hwc_line(s, 1, hwc_palette, y - get_hwc_y(s, 1), d, width);
}
if (y_start < 0)
y_start = y;
if (page0 < page_min)
page_min = page0;
if (page1 > page_max)
page_max = page1;
} else {
if (y_start >= 0) {
/* flush to display */
dpy_update(s->ds, 0, y_start, width, y - y_start);
y_start = -1;
}
}
src += width * src_bpp;
offset += width * src_bpp;
}
/* complete flush to display */
if (y_start >= 0)
dpy_update(s->ds, 0, y_start, width, y - y_start);
/* clear dirty flags */
if (page_max != -1)
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
static void sm501_update_display(void *opaque)
{
SM501State * s = (SM501State *)opaque;
if (s->dc_crt_control & SM501_DC_CRT_CONTROL_ENABLE)
sm501_draw_crt(s);
}
void sm501_init(uint32_t base, uint32_t local_mem_bytes, qemu_irq irq,
CharDriverState *chr)
{
SM501State * s;
int sm501_system_config_index;
int sm501_disp_ctrl_index;
/* allocate management data region */
s = (SM501State *)qemu_mallocz(sizeof(SM501State));
s->base = base;
s->local_mem_size_index
= get_local_mem_size_index(local_mem_bytes);
SM501_DPRINTF("local mem size=%x. index=%d\n", get_local_mem_size(s),
s->local_mem_size_index);
s->system_control = 0x00100000;
s->misc_control = 0x00001000; /* assumes SH, active=low */
s->dc_panel_control = 0x00010000;
s->dc_crt_control = 0x00010000;
/* allocate local memory */
s->local_mem_offset = qemu_ram_alloc(local_mem_bytes);
s->local_mem = qemu_get_ram_ptr(s->local_mem_offset);
cpu_register_physical_memory(base, local_mem_bytes, s->local_mem_offset);
/* map mmio */
sm501_system_config_index
= cpu_register_io_memory(sm501_system_config_readfn,
sm501_system_config_writefn, s);
cpu_register_physical_memory(base + MMIO_BASE_OFFSET,
0x6c, sm501_system_config_index);
sm501_disp_ctrl_index = cpu_register_io_memory(sm501_disp_ctrl_readfn,
sm501_disp_ctrl_writefn, s);
cpu_register_physical_memory(base + MMIO_BASE_OFFSET + SM501_DC,
0x1000, sm501_disp_ctrl_index);
/* bridge to usb host emulation module */
usb_ohci_init_sm501(base + MMIO_BASE_OFFSET + SM501_USB_HOST, base,
2, -1, irq);
/* bridge to serial emulation module */
if (chr)
serial_mm_init(base + MMIO_BASE_OFFSET + SM501_UART0, 2,
NULL, /* TODO : chain irq to IRL */
115200, chr, 1);
/* create qemu graphic console */
s->ds = graphic_console_init(sm501_update_display, NULL,
NULL, NULL, s);
}
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