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// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2023 Intel Corporation */
#include "idpf.h"
#include "idpf_lan_pf_regs.h"
/**
* idpf_ctlq_reg_init - initialize default mailbox registers
* @cq: pointer to the array of create control queues
*/
static void idpf_ctlq_reg_init(struct idpf_ctlq_create_info *cq)
{
int i;
for (i = 0; i < IDPF_NUM_DFLT_MBX_Q; i++) {
struct idpf_ctlq_create_info *ccq = cq + i;
switch (ccq->type) {
case IDPF_CTLQ_TYPE_MAILBOX_TX:
/* set head and tail registers in our local struct */
ccq->reg.head = PF_FW_ATQH;
ccq->reg.tail = PF_FW_ATQT;
ccq->reg.len = PF_FW_ATQLEN;
ccq->reg.bah = PF_FW_ATQBAH;
ccq->reg.bal = PF_FW_ATQBAL;
ccq->reg.len_mask = PF_FW_ATQLEN_ATQLEN_M;
ccq->reg.len_ena_mask = PF_FW_ATQLEN_ATQENABLE_M;
ccq->reg.head_mask = PF_FW_ATQH_ATQH_M;
break;
case IDPF_CTLQ_TYPE_MAILBOX_RX:
/* set head and tail registers in our local struct */
ccq->reg.head = PF_FW_ARQH;
ccq->reg.tail = PF_FW_ARQT;
ccq->reg.len = PF_FW_ARQLEN;
ccq->reg.bah = PF_FW_ARQBAH;
ccq->reg.bal = PF_FW_ARQBAL;
ccq->reg.len_mask = PF_FW_ARQLEN_ARQLEN_M;
ccq->reg.len_ena_mask = PF_FW_ARQLEN_ARQENABLE_M;
ccq->reg.head_mask = PF_FW_ARQH_ARQH_M;
break;
default:
break;
}
}
}
/**
* idpf_reset_reg_init - Initialize reset registers
* @adapter: Driver specific private structure
*/
static void idpf_reset_reg_init(struct idpf_adapter *adapter)
{
adapter->reset_reg.rstat = idpf_get_reg_addr(adapter, PFGEN_RSTAT);
adapter->reset_reg.rstat_m = PFGEN_RSTAT_PFR_STATE_M;
}
/**
* idpf_trigger_reset - trigger reset
* @adapter: Driver specific private structure
* @trig_cause: Reason to trigger a reset
*/
static void idpf_trigger_reset(struct idpf_adapter *adapter,
enum idpf_flags __always_unused trig_cause)
{
u32 reset_reg;
reset_reg = readl(idpf_get_reg_addr(adapter, PFGEN_CTRL));
writel(reset_reg | PFGEN_CTRL_PFSWR,
idpf_get_reg_addr(adapter, PFGEN_CTRL));
}
/**
* idpf_reg_ops_init - Initialize register API function pointers
* @adapter: Driver specific private structure
*/
static void idpf_reg_ops_init(struct idpf_adapter *adapter)
{
adapter->dev_ops.reg_ops.ctlq_reg_init = idpf_ctlq_reg_init;
adapter->dev_ops.reg_ops.reset_reg_init = idpf_reset_reg_init;
adapter->dev_ops.reg_ops.trigger_reset = idpf_trigger_reset;
}
/**
* idpf_dev_ops_init - Initialize device API function pointers
* @adapter: Driver specific private structure
*/
void idpf_dev_ops_init(struct idpf_adapter *adapter)
{
idpf_reg_ops_init(adapter);
}
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