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gpu: ion: Add support for adjacent heaps

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ION has to guarantee that two of the heaps are
adjacent to each other. This is due to a limitation
in the hardware. Add code to ensure these heaps
are adjacent.

Change-Id: Icc18437a50e1d872112468d02b61ab47fd70acc9
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
[sboyd: drop board file changes]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Olav Haugan
2012-01-10 16:30:58 -08:00
committed by Stephen Boyd
parent 02d86ef9d7
commit 2fd338e25e
3 changed files with 124 additions and 42 deletions
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8
include/linux/ion.h
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@@ -62,6 +62,7 @@ enum ion_heap_type {
*/
enum ion_heap_ids {
INVALID_HEAP_ID = -1,
ION_IOMMU_HEAP_ID = 4,
ION_CP_MM_HEAP_ID = 8,
ION_CP_MFC_HEAP_ID = 12,
@@ -70,6 +71,7 @@ enum ion_heap_ids {
ION_SF_HEAP_ID = 24,
ION_AUDIO_HEAP_ID = 28,
ION_MM_FIRMWARE_HEAP_ID = 29,
ION_SYSTEM_HEAP_ID = 30,
ION_HEAP_ID_RESERVED = 31 /** Bit reserved for ION_SECURE flag */
@@ -93,6 +95,7 @@ enum ion_heap_ids {
#define ION_IOMMU_HEAP_NAME "iommu"
#define ION_MFC_HEAP_NAME "mfc"
#define ION_WB_HEAP_NAME "wb"
#define ION_MM_FIRMWARE_HEAP_NAME "mm_fw"
#define CACHED 1
#define UNCACHED 0
@@ -148,12 +151,17 @@ struct ion_platform_heap {
struct ion_cp_heap_pdata {
enum ion_permission_type permission_type;
unsigned int align;
ion_phys_addr_t secure_base; /* Base addr used when heap is shared */
size_t secure_size; /* Size used for securing heap when heap is shared*/
int (*request_region)(void *);
int (*release_region)(void *);
void *(*setup_region)(void);
};
struct ion_co_heap_pdata {
int adjacent_mem_id;
unsigned int align;
int (*request_region)(void *);
int (*release_region)(void *);
void *(*setup_region)(void);