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#include "hal.h"
#include "lcd/lcd.h"
#include "lcd-info.h"
#ifdef CONFIG_PLAT_AG101P_16MB
#define LCD_BASE 0x00e10000
#else
#define LCD_BASE 0x90600000
#endif
#define LCD_TIME0_OFFSET 0x00
#define LCD_TIME1_OFFSET 0x04
#define LCD_TIME2_OFFSET 0x08
#define LCD_BASE_OFFSET 0x10
#define LCD_INT_EN_OFFSET 0x18
#define LCD_CTRL_OFFSET 0x1C
#define LCD_INT_CLR_OFFSET 0x20
#define LCD_INT_MSK_OFFSET 0x24
static pixel_t _drv_lcd_fb[ LCD_PANEL_WIDTH * LCD_PANEL_HEIGHT] __attribute__((aligned (64)));
static pixel_t _drv_lcd_bg[ LCD_PANEL_WIDTH * LCD_PANEL_HEIGHT] __attribute__((aligned (64)));
static pixel_t *drv_lcd_fb = _drv_lcd_fb;
static pixel_t *drv_lcd_bg = _drv_lcd_bg;
extern void nds32_dcache_flush();
void drv_lcd_flip(void)
{
pixel_t *tmp = drv_lcd_fb;
drv_lcd_fb = drv_lcd_bg;
drv_lcd_bg = tmp;
OUT32(LCD_BASE + LCD_BASE_OFFSET, drv_lcd_fb);
}
pixel_t *drv_lcd_get_fb(void)
{
return drv_lcd_fb;
}
pixel_t *drv_lcd_get_bg(void)
{
return drv_lcd_bg;
}
void drv_lcd_get_param(int *width, int *height, int *bpp)
{
if (width)
*width = LCD_PANEL_WIDTH;
if (height)
*height = LCD_PANEL_HEIGHT;
if (bpp)
*bpp = LCD_PANEL_BPP;
}
void drv_lcd_fill_bg(void)
{
pixel_t *base = drv_lcd_bg;
int i, j;
for (i = j = 0; j < LCD_PANEL_HEIGHT; j++) {
for (i = 0; i < LCD_PANEL_WIDTH; i++) {
#if defined(CONFIG_COLOR_DEPTH16)
if (i == 0 || i == (LCD_PANEL_WIDTH - 1) || j == 0 || j == (LCD_PANEL_HEIGHT - 1))
*base++ = 0xFFFFu;
else
*base++ = 0x0000u;
#elif defined(CONFIG_COLOR_DEPTH24)
if (i == 0 || i == (LCD_PANEL_WIDTH - 1) || j == 0 || j == (LCD_PANEL_HEIGHT - 1))
*base++ = 0x00FFFFFFu;
else
*base++ = 0x00000000u;
#else
#error "COLOR DEPTH not supported!"
#endif
}
}
}
void drv_lcd_draw_bg(void)
{
pixel_t *src = drv_lcd_bg;
pixel_t *dst = drv_lcd_fb;
int i = 0;
while (i++ < LCD_PANEL_WIDTH * LCD_PANEL_HEIGHT)
*dst++ = *src++;
}
static void _drv_lcd_init(void)
{
OUT32(LCD_BASE + LCD_TIME0_OFFSET, LCD_TIME0);
OUT32(LCD_BASE + LCD_TIME1_OFFSET, LCD_TIME1);
OUT32(LCD_BASE + LCD_TIME2_OFFSET, LCD_TIME2);
OUT32(LCD_BASE + LCD_CTRL_OFFSET, LCD_CTRL);
OUT32(LCD_BASE + LCD_BASE_OFFSET, drv_lcd_fb);
}
void drv_lcd_draw_rect(int x, int w, int y, int h, int r, int g, int b)
{
pixel_t *base = drv_lcd_fb;
int i, j;
for (i = y; i < y + h; i++)
for (j = x; j < x + w; j++)
#if defined(CONFIG_COLOR_DEPTH16)
base[ i * LCD_PANEL_WIDTH + j] = (pixel_t)(((r >> 3) << 11) | ((g >> 2) << 5) | ((b >> 3) << 0));
#elif defined(CONFIG_COLOR_DEPTH24)
base[ i * LCD_PANEL_WIDTH + j] = (pixel_t)((r << 16) | (g << 8) | b);
#endif
nds32_dcache_flush(); /* undefine CONFIG_CPU_DCACHE_WRITETHROUGH ,flush DCACHE for lcd screen */
}
void drv_lcd_erase_rect(int x, int w, int y, int h)
{
pixel_t *base = drv_lcd_fb;
int i, j;
for (i = y; i < y + h; i++)
for (j = x; j < x + w; j++)
base[ i * LCD_PANEL_WIDTH + j] = drv_lcd_bg[ i * LCD_PANEL_WIDTH + j];
}
void draw_blk(int x, int y, int sz, int border, int r, int g, int b)
{
drv_lcd_draw_rect(x, sz, y, sz, r, g, b);
drv_lcd_draw_rect(x + border, sz - 2 * border, y + border, sz - 2 * border, r ^ 0xff, g ^ 0xff, b ^ 0xff);
}
int drv_lcd_init(void)
{
_drv_lcd_init();
drv_lcd_fill_bg();
drv_lcd_draw_bg();
drv_lcd_flip();
return 0;
}
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