diff options
Diffstat (limited to 'drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h')
-rw-r--r-- | drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h new file mode 100644 index 0000000000..ad3551bc07 --- /dev/null +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com> + */ + +#ifndef __MTK_MDP3_VPU_H__ +#define __MTK_MDP3_VPU_H__ + +#include <linux/platform_device.h> +#include "mtk-img-ipi.h" + +enum mdp_ipi_result { + MDP_IPI_SUCCESS = 0, + MDP_IPI_ENOMEM = 12, + MDP_IPI_EBUSY = 16, + MDP_IPI_EINVAL = 22, + MDP_IPI_EMINST = 24, + MDP_IPI_ERANGE = 34, + MDP_IPI_NR_ERRNO, + + MDP_IPI_EOTHER = MDP_IPI_NR_ERRNO, + MDP_IPI_PATH_CANT_MERGE, + MDP_IPI_OP_FAIL, +}; + +struct mdp_ipi_init_msg { + u32 status; + u64 drv_data; + u32 work_addr; /* [in] working buffer address */ + u32 work_size; /* [in] working buffer size */ +} __packed; + +struct mdp_ipi_deinit_msg { + u32 status; + u64 drv_data; + u32 work_addr; +} __packed; + +struct mdp_vpu_dev { + /* synchronization protect for accessing vpu working buffer info */ + struct mutex *lock; + struct mtk_scp *scp; + struct completion ipi_acked; + void *param; + dma_addr_t param_addr; + size_t param_size; + void *work; + dma_addr_t work_addr; + size_t work_size; + void *config; + dma_addr_t config_addr; + size_t config_size; + u32 status; +}; + +void mdp_vpu_shared_mem_free(struct mdp_vpu_dev *vpu); +int mdp_vpu_dev_init(struct mdp_vpu_dev *vpu, struct mtk_scp *scp, + struct mutex *lock /* for sync */); +int mdp_vpu_dev_deinit(struct mdp_vpu_dev *vpu); +int mdp_vpu_process(struct mdp_vpu_dev *vpu, struct img_ipi_frameparam *param); + +#endif /* __MTK_MDP3_VPU_H__ */ |