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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h')
-rw-r--r-- | drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h | 78 |
1 files changed, 78 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 000000000..244b3a32d --- /dev/null +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h @@ -0,0 +1,78 @@ +/* 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; + +enum mdp_config_id { + MDP_DEV_M2M = 0, + MDP_CONFIG_POOL_SIZE /* ALWAYS keep at the end */ +}; + +struct mdp_config_pool { + u64 cfg_count[MDP_CONFIG_POOL_SIZE]; + struct img_config configs[MDP_CONFIG_POOL_SIZE]; +}; + +struct mdp_vpu_dev { + /* synchronization protect for accessing vpu working buffer info */ + struct mutex *lock; + struct mtk_scp *scp; + struct completion ipi_acked; + void *work; + dma_addr_t work_addr; + size_t work_size; + struct mdp_config_pool *pool; + u32 status; +}; + +struct mdp_vpu_ctx { + struct mdp_vpu_dev *vpu_dev; + u32 config_id; + struct img_config *config; + u32 inst_addr; +}; + +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_ctx_init(struct mdp_vpu_ctx *ctx, struct mdp_vpu_dev *vpu, + enum mdp_config_id id); +int mdp_vpu_ctx_deinit(struct mdp_vpu_ctx *ctx); +int mdp_vpu_process(struct mdp_vpu_ctx *vpu, struct img_ipi_frameparam *param); + +#endif /* __MTK_MDP3_VPU_H__ */ |