index a8d5ce47686f791981b96b401d701ae83abab585..ef7df7d6fc84c7faa2b92b94e93be1853a8c4c55 100644 (file)
unsigned int y_offset; /* offset to use for y coordinates */
- /* 'pvt' structure shall contain any tcm details (attr) along with
- linked list of allocated areas and mutex for mutually exclusive access
- to the list. It may also contain copies of width and height to notice
- any changes to the publicly available width and height fields. */
- void *pvt;
+ spinlock_t lock;
+ unsigned long *bitmap;
+ size_t map_size;
/* function table */
- s32 (*reserve_2d)(struct tcm *tcm, u16 height, u16 width, u8 align,
+ s32 (*reserve_2d)(struct tcm *tcm, u16 height, u16 width, u16 align,
+ int16_t offset, uint16_t slot_bytes,
struct tcm_area *area);
s32 (*reserve_1d)(struct tcm *tcm, u32 slots, struct tcm_area *area);
- s32 (*free) (struct tcm *tcm, struct tcm_area *area);
- void (*deinit) (struct tcm *tcm);
+ s32 (*free)(struct tcm *tcm, struct tcm_area *area);
+ void (*deinit)(struct tcm *tcm);
};
/*=============================================================================
*
*/
-struct tcm *sita_init(u16 width, u16 height, struct tcm_pt *attr);
+struct tcm *sita_init(u16 width, u16 height);
/**
* all values may be supported by the container manager,
* but it must support 0 (1), 32 and 64.
* 0 value is equivalent to 1.
+ * @param offset Offset requirement, in bytes. This is the offset
+ * from a 4KiB aligned virtual address.
+ * @param slot_bytes Width of slot in bytes
* @param area Pointer to where the reserved area should be stored.
*
* @return 0 on success. Non-0 error code on failure. Also,
* allocation.
*/
static inline s32 tcm_reserve_2d(struct tcm *tcm, u16 width, u16 height,
- u16 align, struct tcm_area *area)
+ u16 align, int16_t offset, uint16_t slot_bytes,
+ struct tcm_area *area)
{
/* perform rudimentary error checking */
s32 res = tcm == NULL ? -ENODEV :
if (!res) {
area->is2d = true;
- res = tcm->reserve_2d(tcm, height, width, align, area);
+ res = tcm->reserve_2d(tcm, height, width, align, offset,
+ slot_bytes, area);
area->tcm = res ? NULL : tcm;
}