632 lines
20 KiB
C
632 lines
20 KiB
C
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#include "basic_include.h"
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#include "stream_frame.h"
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#include "utlist.h"
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#include "lib/lcd/lcd.h"
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#include "app_lcd.h"
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#include "lib/multimedia/msi.h"
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#include "lib/heap/av_heap.h"
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#include "lib/heap/av_psram_heap.h"
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#include "user_work/user_work.h"
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enum LCD_SHOW_MAP
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{
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LCD_OSD = BIT(0),
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LCD_P0 = BIT(1),
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LCD_P1 = BIT(2),
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LCD_P2 = BIT(3),
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};
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// data申请空间函数
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#define STREAM_MALLOC av_psram_malloc
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#define STREAM_FREE av_psram_free
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#define STREAM_ZALLOC av_psram_zalloc
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// 结构体申请空间函数
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#define STREAM_LIBC_MALLOC av_malloc
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#define STREAM_LIBC_FREE av_free
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#define STREAM_LIBC_ZALLOC av_zalloc
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#define LCD_MSI_DEBUG(fmt, ...) // os_printf(fmt, ##__VA_ARGS__)
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/* 中断 kick lcd 模式 */
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typedef int32 (*lcdc_set_rotate_y_src_addr)(struct lcdc_device *p_lcdc, uint32 yaddr);
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typedef int32 (*lcdc_set_rotate_u_src_addr)(struct lcdc_device *p_lcdc, uint32 uaddr);
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typedef int32 (*lcdc_set_rotate_v_src_addr)(struct lcdc_device *p_lcdc, uint32 vaddr);
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static void lcd_msi_irq_video_show(struct app_lcd_s *lcd_s, uint8_t which_video, uint8_t *p0_p1_enable, uint32_t *p_w, uint32_t *p_h)
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{
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struct msi *v_msi = NULL;
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struct lcd_video_msi_s *video = NULL;
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struct framebuff *last_fb = NULL;
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uint8_t ret;
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uint32_t temp_w, temp_h;
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uint16_t *x = NULL;
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uint16_t *y = NULL;
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lcdc_set_rotate_y_src_addr p_lcdc_set_rotate_y_src_addr = NULL;
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lcdc_set_rotate_u_src_addr p_lcdc_set_rotate_u_src_addr = NULL;
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lcdc_set_rotate_v_src_addr p_lcdc_set_rotate_v_src_addr = NULL;
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/*****************************************************************************************************
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* 要切换fb的条件分别是:
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* 1、检查delete的队列是否满了并且已经有显示过的fb,如果delete队列满了,那不能切换fb,需要保持原样,等待删除队列有空闲位置才能去切换
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* 2、需要检查当前是否有需要显示的,如果没有显示的,可以去从对应的队列获取fb去显示
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*****************************************************************************************************/
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if (which_video == 0)
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{
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video = (struct lcd_video_msi_s *) lcd_s->video_p0_msi->priv;
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v_msi = lcd_s->video_p0_msi;
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last_fb = lcd_s->p0_fb;
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if (v_msi->enable)
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{
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x = &lcd_s->x0;
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y = &lcd_s->y0;
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p_lcdc_set_rotate_y_src_addr = lcdc_set_p0_rotate_y_src_addr;
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p_lcdc_set_rotate_u_src_addr = lcdc_set_p0_rotate_u_src_addr;
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p_lcdc_set_rotate_v_src_addr = lcdc_set_p0_rotate_v_src_addr;
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// 如果上一次没有显示,则尝试从队列获取fb去显示
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if (!last_fb)
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{
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RB_GET(&lcd_s->p0_rb, lcd_s->p0_fb);
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last_fb = lcd_s->p0_fb;
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}
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// 曾经显示过,就要检查一下delete rb是否还有空位,有空位才能切换fb
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else if (!RB_FULL(&lcd_s->delete_rb))
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{
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// 检查是否有需要切换的fb
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ret = RB_GET(&lcd_s->p0_rb, lcd_s->p0_fb);
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// 更新切换的fb
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if (ret)
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{
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// 把需要删除的last fb放到delete rb的队列
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = lcd_s->p0_fb;
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}
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}
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// last fb存在和delete rb队列满了,则不需要切换,等待下次切换
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else
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{
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}
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}
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// 使能被关闭,则需要清除显示的fb,那么要检查delete rb的队列是否为空
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else
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{
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if (last_fb && !RB_FULL(&lcd_s->delete_rb))
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{
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = NULL;
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lcd_s->p0_fb = NULL;
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}
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}
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}
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else if (which_video == 1)
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{
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v_msi = lcd_s->video_p1_msi;
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video = (struct lcd_video_msi_s *) lcd_s->video_p1_msi->priv;
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last_fb = lcd_s->p1_fb;
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if (v_msi->enable)
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{
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x = &lcd_s->x1;
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y = &lcd_s->y1;
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p_lcdc_set_rotate_y_src_addr = lcdc_set_p1_rotate_y_src_addr;
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p_lcdc_set_rotate_u_src_addr = lcdc_set_p1_rotate_u_src_addr;
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p_lcdc_set_rotate_v_src_addr = lcdc_set_p1_rotate_v_src_addr;
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// 如果上一次没有显示,则尝试从队列获取fb去显示
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if (!last_fb)
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{
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RB_GET(&lcd_s->p1_rb, lcd_s->p1_fb);
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last_fb = lcd_s->p1_fb;
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}
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// 曾经显示过,就要检查一下delete rb是否还有空位,有空位才能切换fb
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else if (!RB_FULL(&lcd_s->delete_rb))
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{
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// 检查是否有需要切换的fb
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ret = RB_GET(&lcd_s->p1_rb, lcd_s->p1_fb);
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// 更新切换的fb
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if (ret)
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{
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// 把需要删除的last fb放到delete rb的队列
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = lcd_s->p1_fb;
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}
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}
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// last fb存在和delete rb队列满了,则不需要切换,等待下次切换
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else
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{
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}
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}
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// 使能被关闭,则需要清除显示的fb,那么要检查delete rb的队列是否为空
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else
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{
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if (last_fb && !RB_FULL(&lcd_s->delete_rb))
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{
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = NULL;
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lcd_s->p1_fb = NULL;
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}
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}
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}
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else if (which_video == 2)
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{
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v_msi = lcd_s->csc_video_p2_msi;
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video = (struct lcd_video_msi_s *) lcd_s->csc_video_p2_msi->priv;
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last_fb = lcd_s->p2_fb;
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if (v_msi->enable)
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{
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x = &lcd_s->x0;
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y = &lcd_s->y0;
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p_lcdc_set_rotate_y_src_addr = lcdc_set_p0_rotate_y_src_addr;
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p_lcdc_set_rotate_u_src_addr = lcdc_set_p0_rotate_u_src_addr;
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p_lcdc_set_rotate_v_src_addr = lcdc_set_p0_rotate_v_src_addr;
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// 如果上一次没有显示,则尝试从队列获取fb去显示
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if (!last_fb)
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{
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RB_GET(&lcd_s->p2_rb, lcd_s->p2_fb);
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last_fb = lcd_s->p2_fb;
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}
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// 曾经显示过,就要检查一下delete rb是否还有空位,有空位才能切换fb
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else if (!RB_FULL(&lcd_s->delete_rb))
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{
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// 检查是否有需要切换的fb
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ret = RB_GET(&lcd_s->p2_rb, lcd_s->p2_fb);
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// 更新切换的fb
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if (ret)
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{
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// 把需要删除的last fb放到delete rb的队列
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = lcd_s->p2_fb;
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}
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}
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// last fb存在和delete rb队列满了,则不需要切换,等待下次切换
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else
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{
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}
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}
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// 使能被关闭,则需要清除显示的fb,那么要检查delete rb的队列是否为空
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else
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{
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if (last_fb && !RB_FULL(&lcd_s->delete_rb))
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{
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = NULL;
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lcd_s->p2_fb = NULL;
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}
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}
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}
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// 需要将队列的数据清除
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if (!v_msi->enable)
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{
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return;
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}
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struct framebuff *fb = last_fb;
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// 这里再次判断p_fb,保证非空才打开使能，有可能此时外部选择关闭
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if (fb)
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{
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*p0_p1_enable |= BIT(which_video);
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struct yuv_arg_s *yuv_msg = (struct yuv_arg_s *) fb->priv;
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uint32_t y_off = 0, uv_off = 0;
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uint8_t *p_buf = (uint8_t *) fb->data;
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temp_w = yuv_msg->out_w;
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temp_h = yuv_msg->out_h;
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*p_w = temp_w;
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*p_h = temp_h;
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*x = yuv_msg->x;
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*y = yuv_msg->y;
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if (lcd_s->video_rotate == LCD_ROTATE_180)
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{
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y_off = temp_w * (temp_h - 1);
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uv_off = ((temp_w / 2 + 3) / 4) * 4 * (temp_h / 2 - 1);
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}
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LCD_MSI_DEBUG("p%d yuv_msg->y_size:%d \n", which_video, yuv_msg->y_size);
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p_lcdc_set_rotate_y_src_addr(lcd_s->lcd_dev, (uint32) p_buf + y_off);
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p_lcdc_set_rotate_u_src_addr(lcd_s->lcd_dev, (uint32) p_buf + yuv_msg->y_size + uv_off);
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p_lcdc_set_rotate_v_src_addr(lcd_s->lcd_dev, (uint32) p_buf + yuv_msg->y_size + yuv_msg->y_size / 4 + uv_off);
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}
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}
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static void lcd_msi_irq_osd_show(struct app_lcd_s *lcd_s, uint8_t *osd_en)
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{
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struct msi *v_msi = lcd_s->lcd_osd_msi;
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int32_t ret;
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struct framebuff *last_fb = lcd_s->osd_fb;
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if (v_msi->enable)
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{
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// 如果上一次没有显示,则尝试从队列获取fb去显示
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if (!last_fb)
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{
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RB_GET(&lcd_s->osd_rb, lcd_s->osd_fb);
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last_fb = lcd_s->osd_fb;
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}
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// 曾经显示过,就要检查一下delete rb是否还有空位,有空位才能切换fb
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else if (!RB_FULL(&lcd_s->delete_rb))
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{
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// 检查是否有需要切换的fb
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ret = RB_GET(&lcd_s->osd_rb, lcd_s->osd_fb);
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// 更新切换的fb
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if (ret)
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{
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// 把需要删除的last fb放到delete rb的队列
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = lcd_s->osd_fb;
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}
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}
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// last fb存在和delete rb队列满了,则不需要切换,等待下次切换
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else
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{
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}
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}
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else
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{
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if (last_fb && !RB_FULL(&lcd_s->delete_rb))
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{
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RB_SET(&lcd_s->delete_rb, last_fb);
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last_fb = NULL;
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lcd_s->osd_fb = NULL;
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}
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}
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// 这里再次判断osd_fb,保证非空才打开使能，有可能此时外部选择关闭
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if (last_fb)
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{
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*osd_en = 1;
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lcdc_set_osd_dma_addr(lcd_s->lcd_dev, (uint32_t) last_fb->data);
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}
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}
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int g_osd_en = 1;
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void lcd_msi_irq_callback(void *data)
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{
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struct app_lcd_s *lcd_s = (struct app_lcd_s *) data;
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uint8_t p0_p1_enable = 0;
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uint8_t osd_en = 0;
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uint32_t p0_w = 0, p0_h = 0, p1_w = 0, p1_h = 0;
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// 设置 OSD 的 DMA 地址
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|
|
lcd_msi_irq_osd_show(lcd_s, &osd_en);
|
|||
|
|
|
|||
|
|
// 设置视频 P0 的地址
|
|||
|
|
lcd_msi_irq_video_show(lcd_s, 0, &p0_p1_enable, &p0_w, &p0_h);
|
|||
|
|
|
|||
|
|
// 设置视频 P1 的地址
|
|||
|
|
lcd_msi_irq_video_show(lcd_s, 1, &p0_p1_enable, &p1_w, &p1_h);
|
|||
|
|
|
|||
|
|
// 设置 CSC P2 的地址
|
|||
|
|
lcd_msi_irq_video_show(lcd_s, 2, &p0_p1_enable, &p0_w, &p0_h);
|
|||
|
|
|
|||
|
|
if (lcd_s->p2_fb && lcd_s->osd_fb)
|
|||
|
|
{
|
|||
|
|
uint32_t osd_fb_time = lcd_s->osd_fb->time;
|
|||
|
|
uint32_t p2_fb_time = lcd_s->p2_fb->time;
|
|||
|
|
|
|||
|
|
int32_t diff = osd_fb_time - p2_fb_time;
|
|||
|
|
struct framebuff *del_fb = NULL;
|
|||
|
|
uint8_t del_flag = 0;
|
|||
|
|
// 因为在中断,delete rb有空位,代表可以删除
|
|||
|
|
if (!RB_FULL(&lcd_s->delete_rb))
|
|||
|
|
{
|
|||
|
|
del_flag = 1;
|
|||
|
|
}
|
|||
|
|
// 需要移除一个fb,这里需要保证delete rb有空位,没有空位,则报一下错误(某些情况应该是异常显示,需要优化)
|
|||
|
|
if (diff > 0)
|
|||
|
|
{
|
|||
|
|
del_fb = lcd_s->p2_fb;
|
|||
|
|
p0_p1_enable &= ~BIT(2);
|
|||
|
|
if (del_flag)
|
|||
|
|
{
|
|||
|
|
lcd_s->p2_fb = NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (diff < 0)
|
|||
|
|
{
|
|||
|
|
del_fb = lcd_s->osd_fb;
|
|||
|
|
osd_en = 0;
|
|||
|
|
if (del_flag)
|
|||
|
|
{
|
|||
|
|
lcd_s->osd_fb = NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 删除对应的fb
|
|||
|
|
if (del_flag)
|
|||
|
|
{
|
|||
|
|
RB_SET(&lcd_s->delete_rb, del_fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (osd_en == 0 && p0_p1_enable == 0)
|
|||
|
|
{
|
|||
|
|
os_printf("(@@@@@@@@@@@)\n");
|
|||
|
|
}
|
|||
|
|
// 打开video
|
|||
|
|
if (p0_p1_enable)
|
|||
|
|
{
|
|||
|
|
// 检查一下line_buf是否已经申请了,申请空间就是w*line_num的空间(w应该是和屏旋转有关)
|
|||
|
|
uint16_t rotate_w;
|
|||
|
|
rotate_w = (lcd_s->video_w+15)/16*16;
|
|||
|
|
if (lcd_s->line_buf)
|
|||
|
|
{
|
|||
|
|
lcdc_set_rotate_linebuf_y_addr(lcd_s->lcd_dev, (uint32) lcd_s->line_buf);
|
|||
|
|
lcdc_set_rotate_linebuf_u_addr(lcd_s->lcd_dev, (uint32) lcd_s->line_buf + rotate_w * lcd_s->line_buf_num);
|
|||
|
|
lcdc_set_rotate_linebuf_v_addr(lcd_s->lcd_dev, (uint32) lcd_s->line_buf + rotate_w * lcd_s->line_buf_num + (rotate_w / 2) * lcd_s->line_buf_num);
|
|||
|
|
|
|||
|
|
LCD_MSI_DEBUG("p0_w:%d p0_h:%d p1_w:%d p1_h:%d\n", p0_w, p0_h, p1_w, p1_h);
|
|||
|
|
lcdc_set_rotate_p0p1_size(lcd_s->lcd_dev, p0_w, p0_h, p1_w, p1_h);
|
|||
|
|
lcdc_set_rotate_mirror(lcd_s->lcd_dev, 0, lcd_s->video_rotate);
|
|||
|
|
|
|||
|
|
if (lcd_s->video_rotate == LCD_ROTATE_180)
|
|||
|
|
{
|
|||
|
|
lcdc_set_video_start_location(lcd_s->lcd_dev, 0, 0);
|
|||
|
|
lcdc_set_rotate_p0p1_start_location(lcd_s->lcd_dev, lcd_s->x0, 0, lcd_s->x1, lcd_s->y1);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
lcdc_set_video_start_location(lcd_s->lcd_dev, 0, 0);
|
|||
|
|
lcdc_set_rotate_p0p1_start_location(lcd_s->lcd_dev, lcd_s->x0, lcd_s->y0, lcd_s->x1, lcd_s->y1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
lcdc_set_p0p1_enable(lcd_s->lcd_dev, (p0_p1_enable & BIT(0)) ? 1 : (p0_p1_enable & BIT(2)), p0_p1_enable & BIT(1));
|
|||
|
|
|
|||
|
|
lcdc_set_video_en(lcd_s->lcd_dev, 1);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
lcdc_set_video_en(lcd_s->lcd_dev, 0);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (lcd_s->free_line_buf && lcd_s->line_buf)
|
|||
|
|
{
|
|||
|
|
LCD_MSI_DEBUG("-----------force free video line buff:0x%x-----------\n", lcd_s->free_line_buf);
|
|||
|
|
STREAM_LIBC_FREE(lcd_s->free_line_buf);
|
|||
|
|
lcd_s->free_line_buf = NULL;
|
|||
|
|
}
|
|||
|
|
if (lcd_s->line_buf)
|
|||
|
|
{
|
|||
|
|
lcd_s->free_line_buf = lcd_s->line_buf;
|
|||
|
|
lcd_s->line_buf = NULL;
|
|||
|
|
}
|
|||
|
|
lcdc_set_video_en(lcd_s->lcd_dev, 0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
lcdc_set_osd_en(lcd_s->lcd_dev, osd_en);
|
|||
|
|
|
|||
|
|
lcdc_set_timeout_info(lcd_s->lcd_dev, 1, 3);
|
|||
|
|
|
|||
|
|
lcdc_set_start_run(lcd_s->lcd_dev);
|
|||
|
|
|
|||
|
|
lcd_s->start_time = os_jiffies();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查如果被关闭了,则清空队列,这里有个问题,如果使能被关闭后立刻打开,是不会清空队列的,这个要考虑后续如何去处理
|
|||
|
|
void clear_msi_fb(struct msi *v_msi)
|
|||
|
|
{
|
|||
|
|
struct framebuff *fb;
|
|||
|
|
while (v_msi)
|
|||
|
|
{
|
|||
|
|
fb = msi_get_fb(v_msi, 0);
|
|||
|
|
if (fb)
|
|||
|
|
{
|
|||
|
|
os_printf("msi name:%s\tfb:%X\n", v_msi->name, fb);
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
int32 lcd_msi_work(struct os_work *work)
|
|||
|
|
{
|
|||
|
|
struct app_lcd_s *lcd_s = (struct app_lcd_s *) work;
|
|||
|
|
|
|||
|
|
struct lcd_video_msi_s *video_p0 = NULL;
|
|||
|
|
struct lcd_video_msi_s *video_p1 = NULL;
|
|||
|
|
struct lcd_video_msi_s *csc_video_p2 = NULL;
|
|||
|
|
struct lcd_osd_msi_s *osd_show = NULL;
|
|||
|
|
|
|||
|
|
struct framebuff *fb;
|
|||
|
|
uint32_t lcd_show_map = 0;
|
|||
|
|
uint32_t temp = 0;
|
|||
|
|
|
|||
|
|
static int count = 0;
|
|||
|
|
|
|||
|
|
osd_show = (struct lcd_osd_msi_s *) lcd_s->lcd_osd_msi->priv;
|
|||
|
|
video_p0 = (struct lcd_video_msi_s *) lcd_s->video_p0_msi->priv;
|
|||
|
|
video_p1 = (struct lcd_video_msi_s *) lcd_s->video_p1_msi->priv;
|
|||
|
|
csc_video_p2 = (struct lcd_video_msi_s *) lcd_s->csc_video_p2_msi->priv;
|
|||
|
|
|
|||
|
|
// 如果不需要显示video,则空间释放吧
|
|||
|
|
if (lcd_s->free_line_buf)
|
|||
|
|
{
|
|||
|
|
LCD_MSI_DEBUG("-----------free video line buff:0x%x-----------\n", lcd_s->free_line_buf);
|
|||
|
|
|
|||
|
|
irq_disable(LCD_IRQn);
|
|||
|
|
temp = (uint32_t) lcd_s->free_line_buf;
|
|||
|
|
lcd_s->free_line_buf = NULL;
|
|||
|
|
irq_enable(LCD_IRQn);
|
|||
|
|
|
|||
|
|
STREAM_LIBC_FREE((void *) temp);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查一下是否有fb需要删除,从delete rb里面查找
|
|||
|
|
while (!RB_EMPTY(&lcd_s->delete_rb))
|
|||
|
|
{
|
|||
|
|
RB_GET(&lcd_s->delete_rb, fb);
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查是否需要清空队列,一个一个清空(通过使能位来判断,如果使能被关闭,则清空对应的队列)
|
|||
|
|
// 这里没有考虑正在显示的情况,正在显示的由中断去放到delete rb的队列
|
|||
|
|
// 将对应rb队列清空(由于ringbuf结构体原因,暂时没有通用函数,先在这里清空)
|
|||
|
|
if (!lcd_s->lcd_osd_msi->enable)
|
|||
|
|
{
|
|||
|
|
clear_msi_fb(lcd_s->lcd_osd_msi);
|
|||
|
|
while (!RB_EMPTY(&lcd_s->osd_rb))
|
|||
|
|
{
|
|||
|
|
// 因为get会在中断使用,所以这里采用安全方式去读取,防止异步问题
|
|||
|
|
if (RB_INT_GET(&lcd_s->osd_rb, fb))
|
|||
|
|
{
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!lcd_s->video_p0_msi->enable)
|
|||
|
|
{
|
|||
|
|
clear_msi_fb(lcd_s->video_p0_msi);
|
|||
|
|
while (!RB_EMPTY(&lcd_s->p0_rb))
|
|||
|
|
{
|
|||
|
|
// 因为get会在中断使用,所以这里采用安全方式去读取,防止异步问题
|
|||
|
|
if (RB_INT_GET(&lcd_s->p0_rb, fb))
|
|||
|
|
{
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!lcd_s->video_p1_msi->enable)
|
|||
|
|
{
|
|||
|
|
clear_msi_fb(lcd_s->video_p1_msi);
|
|||
|
|
while (!RB_EMPTY(&lcd_s->p1_rb))
|
|||
|
|
{
|
|||
|
|
// 因为get会在中断使用,所以这里采用安全方式去读取,防止异步问题
|
|||
|
|
if (RB_INT_GET(&lcd_s->p1_rb, fb))
|
|||
|
|
{
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!lcd_s->csc_video_p2_msi->enable)
|
|||
|
|
{
|
|||
|
|
clear_msi_fb(lcd_s->csc_video_p2_msi);
|
|||
|
|
while (!RB_EMPTY(&lcd_s->p2_rb))
|
|||
|
|
{
|
|||
|
|
// 因为get会在中断使用,所以这里采用安全方式去读取,防止异步问题
|
|||
|
|
if (RB_INT_GET(&lcd_s->p2_rb, fb))
|
|||
|
|
{
|
|||
|
|
msi_delete_fb(NULL, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 将获取到对应的fb放到队列里面,如果被disable,需要将队列清空
|
|||
|
|
if (!RB_FULL(&lcd_s->osd_rb))
|
|||
|
|
{
|
|||
|
|
fb = msi_get_fb(lcd_s->lcd_osd_msi, 0);
|
|||
|
|
if (fb)
|
|||
|
|
{
|
|||
|
|
RB_SET(&lcd_s->osd_rb, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!RB_FULL(&lcd_s->p0_rb))
|
|||
|
|
{
|
|||
|
|
fb = msi_get_fb(lcd_s->video_p0_msi, 0);
|
|||
|
|
if (fb)
|
|||
|
|
{
|
|||
|
|
RB_SET(&lcd_s->p0_rb, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!RB_FULL(&lcd_s->p1_rb))
|
|||
|
|
{
|
|||
|
|
fb = msi_get_fb(lcd_s->video_p1_msi, 0);
|
|||
|
|
if (fb)
|
|||
|
|
{
|
|||
|
|
RB_SET(&lcd_s->p1_rb, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!RB_FULL(&lcd_s->p2_rb))
|
|||
|
|
{
|
|||
|
|
fb = msi_get_fb(lcd_s->csc_video_p2_msi, 0);
|
|||
|
|
if (fb)
|
|||
|
|
{
|
|||
|
|
RB_SET(&lcd_s->p2_rb, fb);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查队列是否为空
|
|||
|
|
if (lcd_s->osd_fb || !RB_EMPTY(&lcd_s->osd_rb))
|
|||
|
|
{
|
|||
|
|
lcd_show_map |= LCD_OSD;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (lcd_s->p0_fb || !RB_EMPTY(&lcd_s->p0_rb))
|
|||
|
|
{
|
|||
|
|
lcd_show_map |= LCD_P0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (lcd_s->p1_fb || !RB_EMPTY(&lcd_s->p1_rb))
|
|||
|
|
{
|
|||
|
|
lcd_show_map |= LCD_P1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (lcd_s->p2_fb || !RB_EMPTY(&lcd_s->p2_rb))
|
|||
|
|
{
|
|||
|
|
lcd_show_map |= LCD_P2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果p0和p1、p2的队列不为空,则要尝试申请空间
|
|||
|
|
if (lcd_show_map & (LCD_P0 | LCD_P1 | LCD_P2))
|
|||
|
|
{
|
|||
|
|
uint16_t rotate_w;
|
|||
|
|
rotate_w = (lcd_s->video_w+15)/16*16;
|
|||
|
|
// 这里理论要申请到空间,如果申请失败,重新申请一下(否则要就额外处理资源数据)
|
|||
|
|
if (!lcd_s->line_buf)
|
|||
|
|
{
|
|||
|
|
lcd_s->line_buf = (void *) STREAM_LIBC_MALLOC(lcd_s->line_buf_num * rotate_w * 2);
|
|||
|
|
LCD_MSI_DEBUG("-----------alloc video line buff:0x%x-----------\n", lcd_s->line_buf);
|
|||
|
|
}
|
|||
|
|
// 空间申请失败,是尝试等待申请空间还是清空队列?这里就是等待下次申请空间去尝试吧
|
|||
|
|
if (!lcd_s->line_buf)
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (lcd_show_map)
|
|||
|
|
{
|
|||
|
|
lcd_s->hardware_ready = 0; // 标记fb已准备好，等待刷新
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
goto __lcd_msi_work_end;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ((!count && !lcd_s->hardware_ready) || lcd_s->rekick_lcd)
|
|||
|
|
{
|
|||
|
|
count++;
|
|||
|
|
lcd_s->rekick_lcd = 0;
|
|||
|
|
LCD_MSI_DEBUG("=========first kick lcd=========\n");
|
|||
|
|
lcd_s->app_lcd_cb(lcd_s);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
__lcd_msi_work_end:
|
|||
|
|
os_run_work_delay(&lcd_s->work, 1);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|