CARPLAY版本整理
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266
MXC_A27-PCB4.5-270T/lib/LittlevGL/lv_drivers/display/arklcd.c
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266
MXC_A27-PCB4.5-270T/lib/LittlevGL/lv_drivers/display/arklcd.c
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/**
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* @file arklcd.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "FreeRTOS.h"
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#include "chip.h"
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#include "arklcd.h"
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#if USE_ARKLCD
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STRUCTURES
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**********************/
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struct bsd_fb_var_info{
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uint32_t xoffset;
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uint32_t yoffset;
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uint32_t xres;
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uint32_t yres;
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int bits_per_pixel;
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};
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struct bsd_fb_fix_info{
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long int line_length;
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long int smem_len;
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};
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/**********************
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* STATIC PROTOTYPES
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**********************/
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/**********************
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* STATIC VARIABLES
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**********************/
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static struct bsd_fb_var_info vinfo;
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static struct bsd_fb_fix_info finfo;
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static char *fbp = 0;
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static long int screensize = 0;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void arklcd_init(void)
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{
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unsigned int width, height;
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LCD_OSD_FORMAT format;
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ark_lcd_get_osd_size(LCD_UI_LAYER, &width, &height);
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ark_lcd_get_osd_format(LCD_UI_LAYER, &format);
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vinfo.xres = width;
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vinfo.yres = height;
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switch (format) {
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case LCD_OSD_FORAMT_RGB565:
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vinfo.bits_per_pixel = 16;
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break;
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case LCD_OSD_FORAMT_YUV420:
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vinfo.bits_per_pixel = 12;
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break;
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case LCD_OSD_FORAMT_ARGB888:
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default:
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vinfo.bits_per_pixel = 32;
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break;
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}
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vinfo.xoffset = 0;
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vinfo.yoffset = 0;
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printf("%dx%d, %dbpp\n", vinfo.xres, vinfo.yres, vinfo.bits_per_pixel);
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// Figure out the size of the screen in bytes
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finfo.line_length = vinfo.xres * vinfo.bits_per_pixel / 8;
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finfo.smem_len = screensize = finfo.line_length * vinfo.yres;
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fbp = (void*)ark_lcd_get_virt_addr();
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#if ARKLCD_DOUBLE_BUFFERED
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static lv_disp_buf_t disp_buf;
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#if LCD_ROTATE_ANGLE != LCD_ROTATE_ANGLE_0
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lv_disp_buf_init(&disp_buf, (lv_color_t*)fbp + vinfo.xres * vinfo.yres * 2,
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(lv_color_t*)fbp + vinfo.xres * vinfo.yres * 2,
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LV_HOR_RES_MAX * LV_VER_RES_MAX);
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#else
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lv_disp_buf_init(&disp_buf, (lv_color_t*)fbp + vinfo.xres * vinfo.yres, fbp,
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LV_HOR_RES_MAX * LV_VER_RES_MAX);
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#endif
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lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv); /*Basic initialization*/
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disp_drv.buffer = &disp_buf;
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disp_drv.flush_cb = arklcd_flush;
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lv_disp_drv_register(&disp_drv);
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#endif
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}
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/**
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* Flush a buffer to the marked area
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* @param drv pointer to driver where this function belongs
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* @param area an area where to copy `color_p`
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* @param color_p an array of pixel to copy to the `area` part of the screen
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*/
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void arklcd_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_p)
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{
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#if LCD_ROTATE_ANGLE != LCD_ROTATE_ANGLE_0
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static int rotbuf_index = 1;
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uint32_t srcfmt;
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uint32_t dstfmt;
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uint32_t dstaddr;
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uint32_t width = LCD_WIDTH;
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uint32_t height = LCD_HEIGHT;
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int ret;
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#endif
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if(fbp == NULL ||
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area->x2 < 0 ||
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area->y2 < 0 ||
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area->x1 > (int32_t)vinfo.xres - 1 ||
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area->y1 > (int32_t)vinfo.yres - 1) {
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lv_disp_flush_ready(drv);
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return;
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}
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#if ARKLCD_DOUBLE_BUFFERED
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CP15_clean_dcache_for_dma((uint32_t)color_p, (uint32_t)color_p + screensize);
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#if LCD_ROTATE_ANGLE != LCD_ROTATE_ANGLE_0
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#if LCD_BPP == 32
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srcfmt = PXP_SRC_FMT_ARGB8888;
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dstfmt = PXP_OUT_FMT_ARGB8888;
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#else
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srcfmt = PXP_SRC_FMT_RGB565;
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dstfmt = PXP_OUT_FMT_RGB565;
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#endif
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#if LCD_ROTATE_ANGLE == LCD_ROTATE_ANGLE_90 || LCD_ROTATE_ANGLE == LCD_ROTATE_ANGLE_270
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width = LCD_HEIGHT;
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height = LCD_WIDTH;
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#endif
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dstaddr = (uint32_t)fbp + FB_SIZE * rotbuf_index;
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//uint32_t stime = get_timer(0);
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#if 0
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ret = pxp_scaler_rotate((uint32_t)color_p, 0, 0, srcfmt, width, height,
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dstaddr, 0, dstfmt, LCD_WIDTH, LCD_HEIGHT, LCD_ROTATE_ANGLE);
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#else
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ret = pxp_rotate((uint32_t)color_p, 0, 0, srcfmt, width, height,
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dstaddr, 0, dstfmt, LCD_ROTATE_ANGLE);
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#endif
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//stime = get_timer(stime);
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//printf("rotate %d us.\n", stime);
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if(ret != 0) {
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lv_disp_flush_ready(drv);
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return;
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}
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ark_lcd_set_osd_yaddr(LCD_UI_LAYER, dstaddr);
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ark_lcd_set_osd_sync(LCD_UI_LAYER);
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rotbuf_index = !rotbuf_index;
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#else
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ark_lcd_set_osd_yaddr(LCD_UI_LAYER, (unsigned int)color_p);
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ark_lcd_set_osd_sync(LCD_UI_LAYER);
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#endif
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/* wait vsync */
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ark_lcd_wait_for_vsync();
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#ifdef REVERSE_UI
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/* 界面切换到正常UI界面时再关闭倒车层显示防止闪屏 */
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extern int is_carback_scr_active(void);
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extern int get_animation_status(void);
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if (!is_carback_scr_active() && !get_animation_status()) {
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ark_lcd_osd_enable(LCD_VIDEO_LAYER, 0);
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ark_lcd_set_osd_sync(LCD_VIDEO_LAYER);
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}
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#endif
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#else
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/*Truncate the area to the screen*/
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int32_t act_x1 = area->x1 < 0 ? 0 : area->x1;
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int32_t act_y1 = area->y1 < 0 ? 0 : area->y1;
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int32_t act_x2 = area->x2 > (int32_t)vinfo.xres - 1 ? (int32_t)vinfo.xres - 1 : area->x2;
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int32_t act_y2 = area->y2 > (int32_t)vinfo.yres - 1 ? (int32_t)vinfo.yres - 1 : area->y2;
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lv_coord_t w = (act_x2 - act_x1 + 1);
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long int location = 0;
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long int byte_location = 0;
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unsigned char bit_location = 0;
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/*32 or 24 bit per pixel*/
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if(vinfo.bits_per_pixel == 32 || vinfo.bits_per_pixel == 24) {
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uint32_t * fbp32 = (uint32_t *)fbp;
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int32_t y;
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for(y = act_y1; y <= act_y2; y++) {
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location = (act_x1 + vinfo.xoffset) + (y + vinfo.yoffset) * finfo.line_length / 4;
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memcpy(&fbp32[location], (uint32_t *)color_p, (act_x2 - act_x1 + 1) * 4);
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color_p += w;
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}
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}
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/*16 bit per pixel*/
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else if(vinfo.bits_per_pixel == 16) {
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uint16_t * fbp16 = (uint16_t *)fbp;
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int32_t y;
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for(y = act_y1; y <= act_y2; y++) {
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location = (act_x1 + vinfo.xoffset) + (y + vinfo.yoffset) * finfo.line_length / 2;
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memcpy(&fbp16[location], (uint32_t *)color_p, (act_x2 - act_x1 + 1) * 2);
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color_p += w;
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}
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}
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/*8 bit per pixel*/
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else if(vinfo.bits_per_pixel == 8) {
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uint8_t * fbp8 = (uint8_t *)fbp;
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int32_t y;
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for(y = act_y1; y <= act_y2; y++) {
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location = (act_x1 + vinfo.xoffset) + (y + vinfo.yoffset) * finfo.line_length;
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memcpy(&fbp8[location], (uint32_t *)color_p, (act_x2 - act_x1 + 1));
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color_p += w;
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}
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}
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/*1 bit per pixel*/
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else if(vinfo.bits_per_pixel == 1) {
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uint8_t * fbp8 = (uint8_t *)fbp;
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int32_t x;
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int32_t y;
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for(y = act_y1; y <= act_y2; y++) {
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for(x = act_x1; x <= act_x2; x++) {
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location = (x + vinfo.xoffset) + (y + vinfo.yoffset) * vinfo.xres;
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byte_location = location / 8; /* find the byte we need to change */
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bit_location = location % 8; /* inside the byte found, find the bit we need to change */
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fbp8[byte_location] &= ~(((uint8_t)(1)) << bit_location);
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fbp8[byte_location] |= ((uint8_t)(color_p->full)) << bit_location;
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color_p++;
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}
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color_p += area->x2 - act_x2;
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}
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} else {
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/*Not supported bit per pixel*/
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}
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#endif
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drv->buffer->flushing = 0;
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drv->buffer->flushing_last = 0;
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}
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void fbdev_get_sizes(uint32_t *width, uint32_t *height)
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{
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if (width)
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*width = vinfo.xres;
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if (height)
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*height = vinfo.yres;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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#endif
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@ -0,0 +1,59 @@
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/**
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* @file arklcd.h
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*
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*/
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#ifndef ARKLCD_H
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#define ARKLCD_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#ifndef LV_DRV_NO_CONF
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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_drv_conf.h"
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#else
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#include "../../lv_drv_conf.h"
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#endif
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#endif
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#if USE_ARKLCD
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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void arklcd_init(void);
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void arklcd_exit(void);
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void arklcd_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_p);
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void arklcd_get_sizes(uint32_t *width, uint32_t *height);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_ARKLCD*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*ARKLCD_H*/
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