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#ifndef __CMDQ_DRIVER_H__
#define __CMDQ_DRIVER_H__
#include <linux/kernel.h>
#include "cmdq_def.h"
typedef struct cmdqUsageInfoStruct {
uint32_t count[CMDQ_MAX_ENGINE_COUNT]; /* [OUT] current engine ref count */
} cmdqUsageInfoStruct;
typedef struct cmdqJobStruct {
struct cmdqCommandStruct command; /* [IN] the job to perform */
cmdqJobHandle_t hJob; /* [OUT] handle to resulting job */
} cmdqJobStruct;
typedef struct cmdqJobResultStruct {
cmdqJobHandle_t hJob; /* [IN] Job handle from CMDQ_IOCTL_ASYNC_JOB_EXEC */
uint64_t engineFlag; /* [OUT] engine flag passed down originally */
/* [IN/OUT] read register values, if any. */
/* as input, the "count" field must represent */
/* buffer space pointed by "regValues". */
/* Upon return, CMDQ driver fills "count" with */
/* actual requested register count. */
/* However, if the input "count" is too small, */
/* -ENOMEM is returned, and "count" is filled */
/* with requested register count. */
cmdqRegValueStruct regValue;
cmdqReadAddressStruct readAddress; /* [IN/OUT] physical address to read */
} cmdqJobResultStruct;
typedef struct cmdqWriteAddressStruct {
/* [IN] count of the writable buffer (unit is # of uint32_t, NOT in byte) */
uint32_t count;
/* [OUT] When Alloc, this is the resulting PA. It is guaranteed to be continuous. */
/* [IN] When Free, please pass returned address down to ioctl. */
/* */
/* indeed param startPA should be UNSIGNED LONG type for 64 bit kernel.*/
/* Considering our plartform supports max 4GB RAM(upper-32bit don't care for SW)*/
/* and consistent common code interface, remain uint32_t type.*/
uint32_t startPA;
} cmdqWriteAddressStruct;
#define CMDQ_IOCTL_MAGIC_NUMBER 'x'
#define CMDQ_IOCTL_LOCK_MUTEX _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 1, int)
#define CMDQ_IOCTL_UNLOCK_MUTEX _IOR(CMDQ_IOCTL_MAGIC_NUMBER, 2, int)
#define CMDQ_IOCTL_EXEC_COMMAND _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 3, cmdqCommandStruct)
#define CMDQ_IOCTL_QUERY_USAGE _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 4, cmdqUsageInfoStruct)
/* */
/* Async operations */
/* */
#define CMDQ_IOCTL_ASYNC_JOB_EXEC _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 5, cmdqJobStruct)
#define CMDQ_IOCTL_ASYNC_JOB_WAIT_AND_CLOSE _IOR(CMDQ_IOCTL_MAGIC_NUMBER, 6, cmdqJobResultStruct)
#define CMDQ_IOCTL_ALLOC_WRITE_ADDRESS _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 7, cmdqWriteAddressStruct)
#define CMDQ_IOCTL_FREE_WRITE_ADDRESS _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 8, cmdqWriteAddressStruct)
#define CMDQ_IOCTL_READ_ADDRESS_VALUE _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 9, cmdqReadAddressStruct)
/* */
/* Chip capability query. output parameter is a bit field. */
/* Bit definition is CMDQ_CAP_BITS. */
/* */
#define CMDQ_IOCTL_QUERY_CAP_BITS _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 10, int)
#endif /* __CMDQ_DRIVER_H__ */
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