// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2010-2016, Intel Corporation.
 */

#include "debug.h"

#include "hmm.h"

#ifndef __INLINE_DEBUG__
#include "debug_private.h"
#endif /* __INLINE_DEBUG__ */

#define __INLINE_SP__
#include "sp.h"

#include "assert_support.h"

/* The address of the remote copy */
hrt_address     debug_buffer_address = (hrt_address) - 1;
ia_css_ptr      debug_buffer_ddr_address = (ia_css_ptr)-1;
/* The local copy */
static debug_data_t             debug_data;
debug_data_t            *debug_data_ptr = &debug_data;

void debug_buffer_init(const hrt_address addr)
{
        debug_buffer_address = addr;

        debug_data.head = 0;
        debug_data.tail = 0;
}

void debug_buffer_ddr_init(const ia_css_ptr addr)
{
        debug_buf_mode_t mode = DEBUG_BUFFER_MODE_LINEAR;
        u32 enable = 1;
        u32 head = 0;
        u32 tail = 0;
        /* set the ddr queue */
        debug_buffer_ddr_address = addr;
        hmm_store(addr + DEBUG_DATA_BUF_MODE_DDR_ADDR,
                   &mode, sizeof(debug_buf_mode_t));
        hmm_store(addr + DEBUG_DATA_HEAD_DDR_ADDR,
                   &head, sizeof(uint32_t));
        hmm_store(addr + DEBUG_DATA_TAIL_DDR_ADDR,
                   &tail, sizeof(uint32_t));
        hmm_store(addr + DEBUG_DATA_ENABLE_DDR_ADDR,
                   &enable, sizeof(uint32_t));

        /* set the local copy */
        debug_data.head = 0;
        debug_data.tail = 0;
}

void debug_buffer_setmode(const debug_buf_mode_t mode)
{
        assert(debug_buffer_address != ((hrt_address)-1));

        sp_dmem_store_uint32(SP0_ID,
                             debug_buffer_address + DEBUG_DATA_BUF_MODE_ADDR, mode);
}