drivers/amlogic/media/osd/osd_rdma.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
 */

#ifndef _OSD_RDMA_H_
#define _OSD_RDMA_H_

#include <linux/types.h>
#include "osd_io.h"
#include "osd_reg.h"

extern int rdma_reset_tigger_flag;
extern int rdma_mgr_irq_request;

struct rdma_table_item {
	u32 addr;
	u32 val;
};

#define TABLE_SIZE	     PAGE_SIZE
#define MAX_TABLE_ITEM	 (TABLE_SIZE / sizeof(struct rdma_table_item_t))
#define OSD_RDMA_CHANNEL_INDEX	osd_rdma_handle
#define START_ADDR	\
	(RDMA_AHB_START_ADDR_MAN + (OSD_RDMA_CHANNEL_INDEX << 1))
#define END_ADDR	\
	(RDMA_AHB_END_ADDR_MAN + (OSD_RDMA_CHANNEL_INDEX << 1))

#define OSD_RDMA_FLAG_REG	    VIU_OSD2_TCOLOR_AG3

#define OSD_RDMA_FLAG_REJECT	(0x99 << 0)
/* hw rdma own this flag, change it to zero when start rdma,
 *  change it to 0 when complete
 */

#define  OSD_RDMA_STATUS_IS_REJECT \
	(osd_reg_read(OSD_RDMA_FLAG_REG) & OSD_RDMA_FLAG_REJECT)

/* hw rdma op, set REJECT */
#define  OSD_RDMA_STATUS_MARK_TBL_RST \
	((osd_reg_read(OSD_RDMA_FLAG_REG) \
	& ~OSD_RDMA_FLAG_REJECT) | \
	(OSD_RDMA_FLAG_REJECT))

#define  OSD_RDMA_STATUS_MARK_TBL_DONE \
	((osd_reg_read(OSD_RDMA_FLAG_REG) \
	& ~OSD_RDMA_FLAG_REJECT)) \

/* cpu op, clear REJECT */
#define  OSD_RDMA_STATUS_CLEAR_REJECT \
	(osd_reg_write(OSD_RDMA_FLAG_REG, \
	(osd_reg_read(OSD_RDMA_FLAG_REG) & \
	~OSD_RDMA_FLAG_REJECT)))

int rdma_watchdog_setting(int flag);
int read_rdma_table(void);
int osd_rdma_enable(u32 enable);
int osd_rdma_reset_and_flush(u32 reset_bit);
void osd_rdma_interrupt_done_clear(void);
int osd_rdma_uninit(void);
void set_reset_rdma_trigger_line(void);
void enable_line_n_rdma(void);
void enable_vsync_rdma(void);
#endif