diff options
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/allwinner/libraries/drivers/drv_lcd.c | 122 | ||||
| -rw-r--r-- | bsp/allwinner/libraries/drivers/drv_lcd.h | 10 |
2 files changed, 119 insertions, 13 deletions
diff --git a/bsp/allwinner/libraries/drivers/drv_lcd.c b/bsp/allwinner/libraries/drivers/drv_lcd.c index 634e33f9f3..327aa777fe 100644 --- a/bsp/allwinner/libraries/drivers/drv_lcd.c +++ b/bsp/allwinner/libraries/drivers/drv_lcd.c @@ -1,11 +1,12 @@ /* - * Copyright (c) 2006-2022, RT-Thread Development Team + * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-04-12 RT-Thread the first version + * 2023-09-02 zbtrs support sdl2 */ #include "rtthread.h" @@ -28,12 +29,14 @@ #endif #include <video/sunxi_display2.h> +#include <dfs_file.h> #include "dev_disp.h" #define DEFAULT_SCREEN (0) #define LCD_DRV_FB_SZ (lcd_drv->lcd_info.width * lcd_drv->lcd_info.height * sizeof(rt_uint32_t)) + enum state_buff { EMPTY, @@ -56,10 +59,10 @@ struct buff_info struct lcd_device { struct rt_device lcd; + struct rt_device fb; struct rt_device_graphic_info lcd_info; /* rtdef.h */ struct rt_event lcd_evt; int use_screen; /* screen index */ - void *framebuffer; void *framebuffer_phy; @@ -82,6 +85,8 @@ extern void rt_hw_cpu_dcache_clean(void *addr, int size); extern int disp_ioctl(int cmd, void *arg); extern int disp_probe(void); +struct lcd_device *g_lcd = RT_NULL; + /* set up the lcd pin function */ static void lcd_gpio_config(void) { @@ -418,8 +423,6 @@ static rt_err_t rt_lcd_init(rt_device_t dev) return RT_EOK; } -struct lcd_device *g_lcd = RT_NULL; - void turn_on_lcd_backlight(void) { if (_panel->bl_pin >= 0) @@ -610,6 +613,110 @@ static rt_err_t rt_lcd_control(rt_device_t dev, int cmd, void *args) return RT_EOK; } +static rt_err_t fb_open(rt_device_t dev,rt_uint16_t oflag) +{ + return RT_EOK; +} + +static rt_err_t fb_close(rt_device_t dev) +{ + return RT_EOK; +} + +static rt_err_t fb_control(rt_device_t dev, int cmd, void *args) +{ + switch(cmd) { + case FBIOGET_PIXELINFO: + { + int *fmt = (int *)args; + *fmt = RTGRAPHIC_PIXEL_FORMAT_ARGB888; + break; + } + case FBIOPAN_DISPLAY: + { + struct lcd_device *lcd_drv = g_lcd; + rt_hw_cpu_dcache_clean(lcd_drv->framebuffer, LCD_DRV_FB_SZ); + rt_lcd_control((rt_device_t)g_lcd, RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL); + break; + } + case FBIOGET_FSCREENINFO: + { + rt_lcd_control((rt_device_t)g_lcd,FBIOGET_FSCREENINFO,args); + break; + } + case FBIOGET_VSCREENINFO: + { + struct lcd_device *lcd_drv = g_lcd; + struct fb_var_screeninfo *info = (struct fb_var_screeninfo *)args; + info->xres = lcd_drv->lcd_info.width; + info->yres = lcd_drv->lcd_info.height; + break; + } + case RT_FIOMMAP2: + { + struct dfs_mmap2_args *mmap2 = (struct dfs_mmap2_args *)args; + if (mmap2) + { + mmap2->ret = lwp_map_user_phy(lwp_self(),RT_NULL,g_lcd->framebuffer,mmap2->length,1); + } + else + { + return -EIO; + } + + break; + } + default: + break; + } + + return RT_EOK; +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops fb_ops = +{ + RT_NULL, + fb_open, + fb_close, + RT_NULL, + RT_NULL, + fb_control +}; +#endif + +/* register framebuffer device */ +static int fb_init(rt_device_t fb) +{ + static rt_bool_t fb_init_ok = RT_FALSE; + + if (fb_init_ok) + { + return 0; + } + RT_ASSERT(!rt_device_find("fb0")); + fb->type = RT_Device_Class_Miscellaneous; + +#ifdef RT_USING_DEVICE_OPS + fb->ops = &fb_ops; +#else + + fb->init = RT_NULL; + fb->open = fb_open; + fb->close = fb_close; + fb->read = RT_NULL; + fb->write = RT_NULL; + fb->control = fb_control; + fb->user_data = RT_NULL; +#endif + + rt_device_register(fb,"fb0",RT_DEVICE_FLAG_RDWR); + + fb_init_ok = RT_TRUE; + + return RT_EOK; +} + /* set up the 'lcd_device' and register it */ int rt_hw_lcd_init(void) { @@ -635,6 +742,12 @@ int rt_hw_lcd_init(void) rt_lcd_init((rt_device_t)lcd_drv); + if (fb_init(&(lcd_drv->fb)) != RT_EOK) + { + rt_kprintf("fb device init failure\n"); + return -RT_ERROR; + } + return RT_EOK; } // INIT_DEVICE_EXPORT(rt_hw_lcd_init); @@ -697,5 +810,4 @@ void lcd_pwm_test(int argc, char **argv) } MSH_CMD_EXPORT(lcd_pwm_test, set pwm); - #endif diff --git a/bsp/allwinner/libraries/drivers/drv_lcd.h b/bsp/allwinner/libraries/drivers/drv_lcd.h index 58a398d86d..ca91c336ca 100644 --- a/bsp/allwinner/libraries/drivers/drv_lcd.h +++ b/bsp/allwinner/libraries/drivers/drv_lcd.h @@ -6,12 +6,14 @@ * Change Logs: * Date Author Notes * 2018-04-12 RT-Thread the first version + * 2023-09-02 zbtrs support SDL2 */ #ifndef __DRV_LCD_H__ #define __DRV_LCD_H__ #include <stdint.h> +#include "drivers/lcd.h" #define REVERSE_X (1<<0) #define REVERSE_Y (1<<1) @@ -19,16 +21,8 @@ int rt_hw_lcd_init(void); -#define FBIOGET_FSCREENINFO 0x4602 -struct fb_fix_screeninfo -{ - char id[16]; - unsigned long smem_start; - uint32_t smem_len; - uint32_t line_length; -}; rt_uint8_t get_lcd_backlight(void); void set_lcd_backlight(rt_uint8_t value); void turn_down_lcd_backlight(void); |