diff options
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_state.h')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_state.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_state.h b/drivers/media/platform/qcom/iris/iris_state.h index 1ffe6fe706bd..0bf9d0e063ac 100644 --- a/drivers/media/platform/qcom/iris/iris_state.h +++ b/drivers/media/platform/qcom/iris/iris_state.h @@ -6,6 +6,8 @@ #ifndef __IRIS_STATE_H__ #define __IRIS_STATE_H__ +struct iris_inst; + /** * enum iris_core_state * @@ -38,4 +40,60 @@ enum iris_core_state { IRIS_CORE_ERROR, }; +/** + * enum iris_inst_state + * + * @IRIS_INST_INIT: video instance is opened. + * @IRIS_INST_INPUT_STREAMING: stream on is completed on output plane. + * @IRIS_INST_OUTPUT_STREAMING: stream on is completed on capture plane. + * @IRIS_INST_STREAMING: stream on is completed on both output and capture planes. + * @IRIS_INST_DEINIT: video instance is closed. + * @IRIS_INST_ERROR: error state. + * | + * V + * ------------- + * +--------| INIT |----------+ + * | ------------- | + * | ^ ^ | + * | / \ | + * | / \ | + * | v v | + * | ----------- ----------- | + * | | INPUT OUTPUT | | + * |---| STREAMING STREAMING |---| + * | ----------- ----------- | + * | ^ ^ | + * | \ / | + * | \ / | + * | v v | + * | ------------- | + * |--------| STREAMING |-----------| + * | ------------- | + * | | | + * | | | + * | v | + * | ----------- | + * +-------->| DEINIT |<----------+ + * | ----------- | + * | | | + * | | | + * | v | + * | ---------- | + * +-------->| ERROR |<------------+ + * ---------- + */ +enum iris_inst_state { + IRIS_INST_DEINIT, + IRIS_INST_INIT, + IRIS_INST_INPUT_STREAMING, + IRIS_INST_OUTPUT_STREAMING, + IRIS_INST_STREAMING, + IRIS_INST_ERROR, +}; + +int iris_inst_change_state(struct iris_inst *inst, + enum iris_inst_state request_state); +int iris_inst_state_change_streamon(struct iris_inst *inst, u32 plane); +int iris_inst_state_change_streamoff(struct iris_inst *inst, u32 plane); + #endif |