134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <rtthread.h>
|
|
#include "drv_clcd.h"
|
|
|
|
#define CLCD_WIDTH 640
|
|
#define CLCD_HEIGHT 480
|
|
|
|
#define CLCD_DEVICE(dev) (struct drv_clcd_device*)(dev)
|
|
|
|
#define PL111_CR_EN 0x001
|
|
#define PL111_CR_PWR 0x800
|
|
#define PL111_IOBASE 0x10020000
|
|
#define PL111_PALBASE (PL111_IOBASE + 0x200)
|
|
|
|
typedef struct _PL111MMIO
|
|
{
|
|
uint32_t volatile tim0; //0
|
|
uint32_t volatile tim1; //4
|
|
uint32_t volatile tim2; //8
|
|
uint32_t volatile tim3; //c
|
|
uint32_t volatile upbase; //10
|
|
uint32_t volatile f; //14
|
|
uint32_t volatile control; //18
|
|
uint32_t volatile g; //1c
|
|
} PL111MMIO;
|
|
|
|
struct drv_clcd_device
|
|
{
|
|
struct rt_device parent;
|
|
|
|
int width;
|
|
int height;
|
|
|
|
uint8_t *fb;
|
|
};
|
|
struct drv_clcd_device _lcd;
|
|
|
|
static rt_err_t drv_clcd_init(struct rt_device *device)
|
|
{
|
|
struct drv_clcd_device *lcd = CLCD_DEVICE(device);
|
|
|
|
lcd = lcd; /* nothing, right now */
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t drv_clcd_control(struct rt_device *device, int cmd, void *args)
|
|
{
|
|
struct drv_clcd_device *lcd = CLCD_DEVICE(device);
|
|
|
|
switch (cmd)
|
|
{
|
|
case RTGRAPHIC_CTRL_RECT_UPDATE:
|
|
{
|
|
struct rt_device_rect_info *info = (struct rt_device_rect_info*)args;
|
|
|
|
info = info; /* nothing, right now */
|
|
}
|
|
break;
|
|
|
|
case RTGRAPHIC_CTRL_GET_INFO:
|
|
{
|
|
struct rt_device_graphic_info* info = (struct rt_device_graphic_info*)args;
|
|
|
|
RT_ASSERT(info != RT_NULL);
|
|
info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
|
|
// info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
|
|
info->bits_per_pixel= 16;
|
|
info->width = lcd->width;
|
|
info->height = lcd->height;
|
|
info->framebuffer = lcd->fb;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
const static struct rt_device_ops clcd_ops =
|
|
{
|
|
drv_clcd_init,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
drv_clcd_control
|
|
};
|
|
#endif
|
|
|
|
int drv_clcd_hw_init(void)
|
|
{
|
|
PL111MMIO *plio;
|
|
struct rt_device *device = &_lcd.parent;
|
|
|
|
/* memset _lcd to zero */
|
|
memset(&_lcd, 0x0, sizeof(_lcd));
|
|
|
|
_lcd.width = CLCD_WIDTH;
|
|
_lcd.height = CLCD_HEIGHT;
|
|
_lcd.fb = rt_malloc (_lcd.width * _lcd.height * 2);
|
|
if (_lcd.fb == NULL)
|
|
{
|
|
rt_kprintf("initialize frame buffer failed!\n");
|
|
return -1;
|
|
}
|
|
|
|
memset(_lcd.fb, 0xff, _lcd.width * _lcd.height * 2);
|
|
|
|
plio = (PL111MMIO*)PL111_IOBASE;
|
|
|
|
plio->tim0 = 0x3F1F3C00 | ((CLCD_WIDTH/16 - 1) << 2);
|
|
plio->tim1 = 0x080B6000 | (CLCD_HEIGHT - 1);
|
|
|
|
plio->upbase = (uint32_t)_lcd.fb;
|
|
/* 16-bit 565 color */
|
|
plio->control = 0x1921 | (0x6 << 1);
|
|
|
|
device->type = RT_Device_Class_Graphic;
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
device->ops = &clcd_ops;
|
|
#else
|
|
device->init = drv_clcd_init;
|
|
device->control = drv_clcd_control;
|
|
#endif
|
|
|
|
rt_device_register(device, "lcd", RT_DEVICE_FLAG_RDWR);
|
|
|
|
return 0;
|
|
}
|
|
INIT_DEVICE_EXPORT(drv_clcd_hw_init);
|