Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/sdk/lib/multimedia/msi/fbpool.c
+++ b/sdk/lib/multimedia/msi/fbpool.c
@@ -0,0 +1,89 @@
+#include "basic_include.h"
+#include "lib/multimedia/msi.h"
+
+
+#ifdef MORE_SRAM 
+#define FBPOOL_MALLOC os_malloc_psram
+#define FBPOOL_FREE   os_free_psram
+#define FBPOOL_ZALLOC os_zalloc_psram
+#else
+#define FBPOOL_MALLOC os_malloc
+#define FBPOOL_FREE   os_free
+#define FBPOOL_ZALLOC os_zalloc
+#endif
+
+int32 fbpool_init(struct fbpool *pool, uint8 size)
+{
+    uint8 i;
+    if (pool && !pool->inited) {
+        pool->pool = FBPOOL_ZALLOC(sizeof(struct framebuff) * size);
+        ASSERT(pool->pool);
+        pool->inited = 1;
+        pool->size   = size;
+        for (i = 0; i < size; i++) {
+            pool->pool[i].index = i;
+            pool->pool[i].used = 0;
+            pool->pool[i].pool = 1;
+        }
+    }
+    return RET_OK;
+}
+
+struct framebuff *fbpool_get(struct fbpool *pool, uint16 type, struct msi *msi)
+{
+    uint8 i;
+    uint32 flag;
+    struct framebuff *fb = NULL;
+
+    if (pool && pool->inited) {
+        flag = disable_irq();
+        for (i = 0; i < pool->size; i++) {
+            if (!pool->pool[i].used) {
+                fb = &pool->pool[i];
+                fb->mtype = (type >> 8) & 0xff;
+                fb->stype = type & 0xff;
+                fb->msi  = msi;
+                fb->used = 1;
+                fb->next = NULL;
+                msi_get(fb->msi);
+                atomic_inc(&fb->users); //GET 加1
+                break;
+            }
+        }
+        enable_irq(flag);
+    }
+    return fb;
+}
+
+int32 fbpool_put(struct fbpool *pool, struct framebuff *fb)
+{
+    uint32 flag;
+    if (pool && pool->inited && fb && fb->pool &&
+        (fb->index < pool->size) && (&pool->pool[fb->index] == fb)) {
+        flag = disable_irq();
+        pool->pool[fb->index].used = 0;
+        pool->pool[fb->index].msi  = NULL;
+        pool->pool[fb->index].next = NULL;
+        atomic_set(&fb->users,0);
+        enable_irq(flag);
+        return RET_OK;
+    } else {
+        os_printf(KERN_ERR"fbpool_put error, pool=%p, fb=%p\r\n", pool, fb);
+        return RET_ERR;
+    }
+}
+
+int32 fbpool_destroy(struct fbpool *pool)
+{
+    int32 i = 0;
+    if (pool && pool->inited) {
+        for (i = 0; i < pool->size; i++) {
+            msi_discard_fb(pool->pool[i].msi, &pool->pool[i]);
+        }
+        FBPOOL_FREE(pool->pool);
+        pool->inited = 0;
+        pool->size   = 0;
+    }
+    return RET_OK;
+}
+