/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __DEBUG_GLOBAL_H_INCLUDED__
#define __DEBUG_GLOBAL_H_INCLUDED__

#include <type_support.h>

#define DEBUG_BUF_SIZE  1024
#define DEBUG_BUF_MASK  (DEBUG_BUF_SIZE - 1)

#define DEBUG_DATA_ENABLE_ADDR          0x00
#define DEBUG_DATA_BUF_MODE_ADDR        0x04
#define DEBUG_DATA_HEAD_ADDR            0x08
#define DEBUG_DATA_TAIL_ADDR            0x0C
#define DEBUG_DATA_BUF_ADDR                     0x10

#define DEBUG_DATA_ENABLE_DDR_ADDR              0x00
#define DEBUG_DATA_BUF_MODE_DDR_ADDR    HIVE_ISP_DDR_WORD_BYTES
#define DEBUG_DATA_HEAD_DDR_ADDR                (2 * HIVE_ISP_DDR_WORD_BYTES)
#define DEBUG_DATA_TAIL_DDR_ADDR                (3 * HIVE_ISP_DDR_WORD_BYTES)
#define DEBUG_DATA_BUF_DDR_ADDR                 (4 * HIVE_ISP_DDR_WORD_BYTES)

#define DEBUG_BUFFER_ISP_DMEM_ADDR       0x0

/*
 * The linear buffer mode will accept data until the first
 * overflow and then stop accepting new data
 * The circular buffer mode will accept if there is place
 * and discard the data if the buffer is full
 */
typedef enum {
        DEBUG_BUFFER_MODE_LINEAR = 0,
        DEBUG_BUFFER_MODE_CIRCULAR,
        N_DEBUG_BUFFER_MODE
} debug_buf_mode_t;

struct debug_data_s {
        u32                     enable;
        u32                     bufmode;
        u32                     head;
        u32                     tail;
        u32                     buf[DEBUG_BUF_SIZE];
};

/* thread.sp.c doesn't have a notion of HIVE_ISP_DDR_WORD_BYTES
   still one point of control is needed for debug purposes */

#ifdef HIVE_ISP_DDR_WORD_BYTES
struct debug_data_ddr_s {
        u32                     enable;
        s8                              padding1[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)];
        u32                     bufmode;
        s8                              padding2[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)];
        u32                     head;
        s8                              padding3[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)];
        u32                     tail;
        s8                              padding4[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)];
        u32                     buf[DEBUG_BUF_SIZE];
};
#endif

#endif /* __DEBUG_GLOBAL_H_INCLUDED__ */