// SPDX-License-Identifier: GPL-2.0
/*!
 ******************************************************************************
@file   host_port_if.c

@brief   Hosport communication utils

@author Nordic Semiconductor ASA

@date   2017

 ******************************************************************************/
#include "lmac_if.h"
#include "lmac_if_common.h"


void RPU_read_mem(unsigned char *src, unsigned char *dst, unsigned int size);

void RPU_write_mem(unsigned char *dst, unsigned char *data, unsigned int size);

unsigned int  RPU_read_word(unsigned int *src);

void  RPU_write_word(unsigned int *src , unsigned int data);


void hpqm_init (unsigned long rpu_gram_base_addr,
		struct lmac_fw_config_params *params)
{

	RPU_read_mem( (unsigned char *)(RPU_MEM_LMAC_BOOT_SIG),
			(unsigned char *)params,
			(sizeof (struct lmac_fw_config_params))) ;
}

void hpqm_rpu_isr_en (unsigned long rpu_sysbus_base_addr,
		struct lmac_fw_config_params *params )
{
	unsigned int data = 0x80000000;
	RPU_write_word ( (unsigned int *)(rpu_sysbus_base_addr + params->HP_lmac_to_host_isr_en),
			data );
}

void hpqm_rpu_assert_isr (unsigned long rpu_sysbus_base_addr,
		struct lmac_fw_config_params *params )
{
	unsigned int data = 0x7fff;
	RPU_write_word ( (unsigned int *)(rpu_sysbus_base_addr + params->HP_set_lmac_isr),data );
}

void hpqm_rpu_isr_clear (unsigned long rpu_sysbus_base_addr,
		struct lmac_fw_config_params *params )
{
	unsigned int data = 0x80000000;
	RPU_write_word ( (unsigned int *)(rpu_sysbus_base_addr + params->HP_lmac_to_host_isr_clear),
			data );
}

unsigned int hpqm_get_cmd_buf_ptr (unsigned long rpu_perip_base_addr,
		struct lmac_fw_config_params *params)
{
	unsigned int data;
	data = RPU_read_word( (unsigned int *)(rpu_perip_base_addr + params->FreeCmdPtrQ.pop_addr) );
	if (data != 0)
		RPU_write_word((unsigned int *)(rpu_perip_base_addr + params->FreeCmdPtrQ.pop_addr),data);

	return data & 0xffffff;
}

void hpqm_submit_cmd_buf_ptr (unsigned long rpu_sysbus_base_addr,
		unsigned long rpu_perip_base_addr,
		unsigned int gramCmdPtr,
		struct lmac_fw_config_params *params)
{
	/* Push GRAM address to command buffer queue and assert host port isr */
	RPU_write_word((unsigned int *)(rpu_perip_base_addr + params->cmdPtrQ.push_addr),
			(0xb7000000 | gramCmdPtr));
	hpqm_rpu_assert_isr (rpu_sysbus_base_addr,params );

}

unsigned int hpqm_get_event_ptr(unsigned long rpu_perip_base_addr,
		struct lmac_fw_config_params *params)
{
	unsigned int data;

	data = RPU_read_word((unsigned int *)(rpu_perip_base_addr +params->eventPtrQ.pop_addr ));
	if (data != 0)
		RPU_write_word((unsigned int *)(rpu_perip_base_addr +params->eventPtrQ.pop_addr),
				data);

	return data & 0x00ffffff;
}

void hpqm_free_event_ptr (unsigned long rpu_perip_base_addr,
		unsigned long rpu_gram_base_addr,
		unsigned int event_ptr)
{
	struct lmac_msg_hdr hdr;
	RPU_read_mem ((unsigned char * )((event_ptr + rpu_gram_base_addr) + sizeof(struct host_rpu_msg_hdr)),
			(unsigned char * )&hdr,
			sizeof(struct lmac_msg_hdr));

	RPU_write_word((unsigned int *)(rpu_perip_base_addr + hdr.push_addr),
			(event_ptr | 0XB7000000));

}

#ifdef RX_HDR_CACHE
unsigned int  HP_submit_macHdr_ptr ( unsigned long rpu_perip_base_addr,
		struct lmac_fw_config_params *params,
		unsigned long *skb_ptr)
{
	RPU_write_word((unsigned int *)(rpu_perip_base_addr +params->macHdrPtrQ.push_addr),
			(unsigned long )skb_ptr);
	return 0;

}
#endif /* RX_HDR_CACHE */