xref: /utopia/UTPA2-700.0.x/mxlib/include/drvIPAPool.h (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)

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////////////////////////////////////////////////////////////////////////////////////////////////////
///
/// @file   drvIPAPool.h
/// @brief  drv IPA Pool Control Interface
/// @author MStar Semiconductor,Inc.
///
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef _DRVCMAPOOL_H_
#define _DRVCMAPOOL_H_

#if defined (MSOS_TYPE_LINUX)
#ifdef __cplusplus
extern "C"
{
#endif

#include "MsTypes.h"

#define IPAPOOL_HEAP_NAME_MAX_LEN_Param 32
#define IPAPOOL_NAME_MAX_LONG_Param 128


enum IPA_SPACE_TYPE
{
    IPA_SPACE_TYPE_PA = 0,//directly PA space
    IPA_SPACE_TYPE_CMA = 1, //CMA space
    IPA_IPA_SPACE_TYPE_INVALID = 0xFFFFFFFF//force enum size to be 4 byte alignment
};

struct IPA_Pool_InstallIpcHandle_Param
{
    MS_U32 ipc_handle_id;  //in: returned by kernel, when get IPC handle
    MS_U32 pool_handle_id; //out: pool handle id
    MS_S32 error_code; // out: error code when failed
};

struct IPA_Pool_GetIpcHandle_Param
{
    MS_U32 pool_handle_id; //in: pool handle id, when pool init, returned by kernel
    MS_U32 ipc_handle_id;  //out: returned by kernel
    MS_S32 error_code; // out: error code when failed
};

struct IPA_Pool_Heap_Attr_Param
{
    MS_U32 heap_id;     //in: maybe shared with more than one pools which based on this heap

    char   name[IPAPOOL_HEAP_NAME_MAX_LEN_Param]; //out: heap name
    MS_U64 heap_miu_start_offset; //out: heap start offset in miu
    MS_U64 heap_length; //out: heap length
    MS_U32 miu;  //out: miu id this heap belongs, index from 0.
    enum IPA_SPACE_TYPE heap_type;//out: return heap type to application (enum IPA_SPACE_TYPE )
    MS_S32 error_code; // error code when failed
};
enum IPA_DCACHE_FLUSH_TYPE_Param
{
    IPA_DCACHE_FLUSH_Param,//flush dcache into DRAM
    IPA_DCACHE_INVALID_Param,// invalid dcache lines
    IPA_DCACHE_FLUSH_INVALID_Param// flush and invalid dcache lines
};

struct IPA_Pool_DCacheFlush_Param
{
    MS_U64 virt_addr; //in: the VA need to flush
    MS_U64 length;               //in: flush length
    enum IPA_DCACHE_FLUSH_TYPE_Param flush_type;// in: flush type (enum IPA_DCACHE_FLUSH_TYPE)
};

struct IPA_Pool_Unmap_Param
{
    MS_U64 virt_addr; //in: the VA need to unmap
    MS_U64 length;               //in: unmap length
};

//enum for mapping virtual address type
enum IPA_MAP_VA_TYPE_Param
{
    IPA_MAP_VA_NO_NEEDED_Param = 0,  //we don't need to map VA
    IPA_VA_CACHE_WRITE_BACK_Param = 1, //we need to map VA with cache type "write back", which is normally used
    IPA_VA_CACHE_WRITE_THROUGH_Param = 2, //we need to map VA with cache type "write through", which is //mostly used by graphic system
    IPA_VA_CACHE_NONE_CACHE_Param = 3,  //we don't need data cache
    IPA_VA_TYPE_MAX_Param = 0xFFFFFFFF//force enum size to be 4 byte alignment
};

struct IPA_Pool_Map_Param
{
    MS_U32 pool_handle_id; //in: pool handle id, when pool init, returned by kernel
    MS_U64 offset_in_pool;  //in: offset in pool
    MS_U64 length;               //in  get memory length
    enum IPA_MAP_VA_TYPE_Param  cache_type;    //in cache type of mapping

    MS_U64 virt_addr;          //out: virtual address for user mode access
    MS_S32 error_code; // out�� reason about why map failed
};

struct IPA_Pool_PutMem_Param
{
    MS_U32 pool_handle_id; //in: pool handle id, when pool init, returned by kernel
    MS_U64 offset_in_pool;  //in: offset in pool
    MS_U64 length;               //in
};

struct IPA_Pool_GetMem_Param
{
    MS_U32 pool_handle_id; //in: pool handle id, when pool init, returned by kernel
    MS_U64 offset_in_pool;  //in: offset in pool
    MS_U64 length;               //in  get memory length
    MS_S32 error_code; // out�� reason about why MApi_IPA_Pool_GetMem failed
};

struct IPA_Pool_Init_Param
{
    MS_U32 space_id;     //in: space id the pool will be created in
    char *pool_name;//in: global identify name for pool to shared between multiple process

    MS_U64 offset_in_heap;    //in: pool location in space
    MS_U64 len;       //in: pool length in  space

    MS_U32 pool_handle_id; //out: generate pool id based on space specified by space_id
    MS_U32 miu;  //out: miu id this space belongs, index from 0.
    enum IPA_SPACE_TYPE space_type;//out: return space type to application
    MS_S32 error_code; // error code when pool init failed

    MS_U64 space_length; //out: space leagth
    MS_U64 space_miu_start_offset; //out: space start offset in miu
};


enum IPA_event_Param
{
  IPA_EVENT_FREE_Param = 0,
  IPA_EVENT_NO_WAIT_Param,
  IPA_EVNET_NUM_Param
};

struct IPA_Pool_Event_Param
{
    enum IPA_event_Param event;
    MS_U32 pool_handle_id;
};

struct IPA_Pool_Polling_Param
{
    MS_U32 pool_handle_id;//pool handle
    void (*polling_callback)(MS_U32 pool_handle_id,MS_U64 start,MS_U64 length);
};

//if PA in a pool but not allocated,this state meanless for user .
//so here state in pool means allocated,not in pool means not allocated.
enum PA_In_IPA_Pool_State_Param
{
    PA_NOT_IN_MIU_Param = (1<<0),//PA not in any miu
    PA_NOT_IN_HEAP_Param =(1<<1),//PA in a miu,but not in any heap
    PA_NOT_IN_POOL_Param =(1<<2),//PA in a heap ,but not in any pool(means not allocated)
    PA_ALLOCATED_Param =(1<<3),//PA in a pool(means pa allocated)
    PA_CASE_NUM_Param
};


/*N.B.
 PA:base ARM_MIU0_BUS_BASE/ARM_MIU1_BUS_BASE/ARM_MIU2_BUS_BASE
if PA value inside [ARM_MIU0_BUS_BASE,ARM_MIU1_BUS_BASE),PA is in miu0
if PA value inside [ARM_MIU1_BUS_BASE,ARM_MIU2_BUS_BASE),PA is in miu1
......

*/
struct PA_In_IPA_Pool_Param
{
    MS_U64 PA;//in:   PA value
    MS_S32 miu;//out:  in which miu

    MS_BOOL in_heap;//out:  whether in heap(space).If not, relative value can not get.
    MS_S32 space_id;     //out: space id the pa in
    enum IPA_SPACE_TYPE space_type;//out: return space type to application
    MS_U64 space_miu_start_offset; //out: space start offset in miu
    MS_U64 space_length; //out: space leagth
    MS_U64 pa_offset_in_heap;    //out: pa location in heap

    MS_BOOL allocated;//out :whether already allocated,if not , relative value can not get.
    //MS_S32 pool_handle_id; //out: allocated by which pool.
    char pool_name[IPAPOOL_NAME_MAX_LONG_Param];//out: name of pool.
    MS_U64 pool_len;       //out: pool length in  space
    MS_U64 pool_offset_in_heap;    //out: pool location in heap
    MS_U64 pa_offset_in_pool;    //out: pa location in pool

    enum PA_In_IPA_Pool_State_Param pa_state;//out:pa state summary
    MS_S32 error_code; // error code when pool init failed
};



/*N.B.
 PA:base ARM_MIU0_BUS_BASE/ARM_MIU1_BUS_BASE/ARM_MIU2_BUS_BASE
if PA value inside [ARM_MIU0_BUS_BASE,ARM_MIU1_BUS_BASE),PA is in miu0
if PA value inside [ARM_MIU1_BUS_BASE,ARM_MIU2_BUS_BASE),PA is in miu1
......


to meet modules less use/store global variables request,
input of this API only have pool_handle_id and offset_in_pool.
*/
struct Pool_To_PA_Param
{
    MS_U32 pool_handle_id;//in : pa in which pool.
    MS_U64 offset_in_pool;//in: pa offset in pool.

    MS_U64 PA;//out:   PA value.
    MS_S32 error_code; // out�� reason why failed.

    //give more out ,which nowadays no modules use,but may future use.
    MS_S32 miu;//out:  in which miu.
    MS_U32 heap_id;     //out: heap id the pa in .After get this,with the help of MApi_IPA_Pool_HEAP_ATTR,can get more more info.
};


//////////////////////////////////////
// function for utopia2.0 ////////////
//////////////////////////////////////
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_Init(struct IPA_Pool_Init_Param * Init_Param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_Release(MS_U32 pool_handle_id);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_GetMem(struct IPA_Pool_GetMem_Param * get_param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_PutMem(struct IPA_Pool_PutMem_Param * put_param);

MS_BOOL __attribute__((weak)) MApi_IPA_Pool_MapVA(struct IPA_Pool_Map_Param * map_param);
void  __attribute__((weak)) MApi_IPA_Pool_UnmapVA(struct IPA_Pool_Unmap_Param * unmap_param);
//MS_BOOL __attribute__((weak)) MApi_IPA_Pool_MapUserVA(struct IPA_Pool_Map_Param * map_param);
//void  __attribute__((weak)) MApi_IPA_Pool_UnmapUserVA(struct IPA_Pool_Unmap_Param * unmap_param);

MS_BOOL __attribute__((weak)) MApi_IPA_Pool_DCacheFlush(struct IPA_Pool_DCacheFlush_Param* dcache_flush_param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_HEAP_ATTR(struct IPA_Pool_Heap_Attr_Param* heap_attr_param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_GETIPCHANDLE(struct IPA_Pool_GetIpcHandle_Param* getipchandle_param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_InstallIpcHandle(struct IPA_Pool_InstallIpcHandle_Param* installipchandle_param);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_GetMem_Timeout(struct IPA_Pool_GetMem_Param* get_param,MS_U32 timeout);
MS_BOOL __attribute__((weak)) MApi_IPA_Pool_Notify(struct IPA_Pool_Polling_Param *polling_param);
MS_BOOL __attribute__((weak)) PA_in_IPA_POOL_info(struct PA_In_IPA_Pool_Param * in_ipa_pool_info);
MS_BOOL __attribute__((weak)) IN_IPA_POOL_To_PA(struct Pool_To_PA_Param * in_ipa_pool_info);

    #ifdef __cplusplus
}
#endif
#endif
#endif