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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h
parentInitial commit. (diff)
downloadlinux-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.h78
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__ */