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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/******************************************************************************
*
* Copyright(c) 2020 Intel Corporation
*
*****************************************************************************/
#include "iwl-drv.h"
#include "pnvm.h"
#include "iwl-prph.h"
#include "iwl-io.h"
#include "fw/api/commands.h"
#include "fw/api/nvm-reg.h"
static bool iwl_pnvm_complete_fn(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_trans *trans = (struct iwl_trans *)data;
struct iwl_pnvm_init_complete_ntfy *pnvm_ntf = (void *)pkt->data;
IWL_DEBUG_FW(trans,
"PNVM complete notification received with status %d\n",
le32_to_cpu(pnvm_ntf->status));
return true;
}
int iwl_pnvm_load(struct iwl_trans *trans,
struct iwl_notif_wait_data *notif_wait)
{
struct iwl_notification_wait pnvm_wait;
static const u16 ntf_cmds[] = { WIDE_ID(REGULATORY_AND_NVM_GROUP,
PNVM_INIT_COMPLETE_NTFY) };
/* if the SKU_ID is empty, there's nothing to do */
if (!trans->sku_id[0] && !trans->sku_id[1] && !trans->sku_id[2])
return 0;
/*
* TODO: phase 2: load the pnvm file, find the right section,
* load it and set the right DMA pointer.
*/
iwl_init_notification_wait(notif_wait, &pnvm_wait,
ntf_cmds, ARRAY_SIZE(ntf_cmds),
iwl_pnvm_complete_fn, trans);
/* kick the doorbell */
iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6,
UREG_DOORBELL_TO_ISR6_PNVM);
return iwl_wait_notification(notif_wait, &pnvm_wait,
MVM_UCODE_PNVM_TIMEOUT);
}
IWL_EXPORT_SYMBOL(iwl_pnvm_load);
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