90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
|
#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;
|
||
|
|
}
|
||
|
|
|