diff options
Diffstat (limited to 'kernel-headers/cmdq_driver.h')
| -rw-r--r-- | kernel-headers/cmdq_driver.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/kernel-headers/cmdq_driver.h b/kernel-headers/cmdq_driver.h new file mode 100644 index 0000000..97c7228 --- /dev/null +++ b/kernel-headers/cmdq_driver.h @@ -0,0 +1,80 @@ +#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) + +/* */ +/* HW info. from DTS */ +/* */ +#define CMDQ_IOCTL_QUERY_DTS _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 11, cmdqDTSDataStruct) + +/* */ +/* Notify MDP will use specified engine before really use. */ +/* input int is same as EngineFlag. */ +/* */ +#define CMDQ_IOCTL_NOTIFY_ENGINE _IOW(CMDQ_IOCTL_MAGIC_NUMBER, 12, uint64_t) + +#endif /* __CMDQ_DRIVER_H__ */ |