1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
new file mode 100644
index 0000000000..7e21d226ce
--- /dev/null
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_CORE_H__
+#define __MTK_MDP3_CORE_H__
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-mem2mem.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>
+#include "mtk-mdp3-comp.h"
+#include "mtk-mdp3-vpu.h"
+
+#define MDP_MODULE_NAME		"mtk-mdp3"
+#define MDP_DEVICE_NAME		"MediaTek MDP3"
+#define MDP_PHANDLE_NAME	"mediatek,mdp3"
+
+enum mdp_infra_id {
+	MDP_INFRA_MMSYS,
+	MDP_INFRA_MUTEX,
+	MDP_INFRA_SCP,
+	MDP_INFRA_MAX
+};
+
+enum mdp_buffer_usage {
+	MDP_BUFFER_USAGE_HW_READ,
+	MDP_BUFFER_USAGE_MDP,
+	MDP_BUFFER_USAGE_MDP2,
+	MDP_BUFFER_USAGE_ISP,
+	MDP_BUFFER_USAGE_WPE,
+};
+
+struct mdp_platform_config {
+	bool	rdma_support_10bit;
+	bool	rdma_rsz1_sram_sharing;
+	bool	rdma_upsample_repeat_only;
+	bool	rsz_disable_dcm_small_sample;
+	bool	wrot_filter_constraint;
+};
+
+/* indicate which mutex is used by each pipepline */
+enum mdp_pipe_id {
+	MDP_PIPE_WPEI,
+	MDP_PIPE_WPEI2,
+	MDP_PIPE_IMGI,
+	MDP_PIPE_RDMA0,
+	MDP_PIPE_MAX
+};
+
+struct mtk_mdp_driver_data {
+	const int mdp_plat_id;
+	const struct of_device_id *mdp_probe_infra;
+	const struct mdp_platform_config *mdp_cfg;
+	const u32 *mdp_mutex_table_idx;
+	const struct mdp_comp_data *comp_data;
+	unsigned int comp_data_len;
+	const struct of_device_id *mdp_sub_comp_dt_ids;
+	const struct mdp_format *format;
+	unsigned int format_len;
+	const struct mdp_limit *def_limit;
+	const struct mdp_pipe_info *pipe_info;
+	unsigned int pipe_info_len;
+};
+
+struct mdp_dev {
+	struct platform_device			*pdev;
+	struct device				*mdp_mmsys;
+	struct mtk_mutex			*mdp_mutex[MDP_PIPE_MAX];
+	struct mdp_comp				*comp[MDP_MAX_COMP_COUNT];
+	const struct mtk_mdp_driver_data	*mdp_data;
+
+	struct workqueue_struct			*job_wq;
+	struct workqueue_struct			*clock_wq;
+	struct mdp_vpu_dev			vpu;
+	struct mtk_scp				*scp;
+	struct rproc				*rproc_handle;
+	/* synchronization protect for accessing vpu working buffer info */
+	struct mutex				vpu_lock;
+	s32					vpu_count;
+	u32					id_count;
+	struct ida				mdp_ida;
+	struct cmdq_client			*cmdq_clt;
+	wait_queue_head_t			callback_wq;
+
+	struct v4l2_device			v4l2_dev;
+	struct video_device			*m2m_vdev;
+	struct v4l2_m2m_dev			*m2m_dev;
+	/* synchronization protect for m2m device operation */
+	struct mutex				m2m_lock;
+	atomic_t				suspended;
+	atomic_t				job_count;
+};
+
+struct mdp_pipe_info {
+	enum mdp_pipe_id pipe_id;
+	u32 mutex_id;
+};
+
+int mdp_vpu_get_locked(struct mdp_dev *mdp);
+void mdp_vpu_put_locked(struct mdp_dev *mdp);
+int mdp_vpu_register(struct mdp_dev *mdp);
+void mdp_vpu_unregister(struct mdp_dev *mdp);
+void mdp_video_device_release(struct video_device *vdev);
+
+#endif  /* __MTK_MDP3_CORE_H__ */