From patchwork Thu Apr 17 13:52:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Savchenko X-Patchwork-Id: 882846 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 32A2824EF74 for ; Thu, 17 Apr 2025 13:54:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744898098; cv=none; b=uXjOM4oPArL7gM1OPSYGakQIWPZ6mHpGADjSsndu3Rv+bpiurA4Z0Wt9aIKjU2B0FPCDE5cpvnhf4qZmkBMP5gj5sQOs0e4otkOWKUAOouGoGYNSeU5CYZAB3Pzsk8ezvVtDr+TTZwxcgyMz+xsDbM23PpWL+QmhdTeDPENFWF0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744898098; c=relaxed/simple; bh=+YyPqBC/ODomYOQ6LT83kCF0k8cSDRF6vlYjNdCO0Pk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=Xt4hZuSOplzhMPhphwVVdCaD4vJK342ocB/ovfhbb4sL/ZwKGEGPmVTvsIPvWDi5OuiXR99HNR99eDyu/9X4dN23JhoYYfG5+D2vmACLwJvzAqpwX3Rc7hwjZ7351c/kBBRCPvLbUrTQzNuyoUiqbwL4s+jhXNmbXUZifEN6Fa0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: DKcktOK7SJeP2MjQgKS3IQ== X-CSE-MsgGUID: 74tP3qWbTxetLNKZ1lH5Jw== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 17 Apr 2025 22:54:56 +0900 Received: from localhost.localdomain (unknown [10.14.100.3]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 2BC0A401009B; Thu, 17 Apr 2025 22:54:52 +0900 (JST) From: Alexander Savchenko To: linux-wireless@vger.kernel.org, Johannes Berg Cc: Sergiy Petrov , Viktor Barna , Gal Gur , Alexander Savchenko Subject: [PATCH 31/38] ra6w: add status.c Date: Thu, 17 Apr 2025 16:52:29 +0300 Message-Id: <20250417135236.52410-32-oleksandr.savchenko.dn@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250417135236.52410-1-oleksandr.savchenko.dn@bp.renesas.com> References: <20250417135236.52410-1-oleksandr.savchenko.dn@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Part of the split. Please, take a look at the cover letter for more details Reviewed-by: Viktor Barna Reviewed-by: Gal Gur Signed-off-by: Alexander Savchenko --- drivers/net/wireless/renesas/ra6w/status.c | 117 +++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 drivers/net/wireless/renesas/ra6w/status.c diff --git a/drivers/net/wireless/renesas/ra6w/status.c b/drivers/net/wireless/renesas/ra6w/status.c new file mode 100644 index 000000000000..86427b2be610 --- /dev/null +++ b/drivers/net/wireless/renesas/ra6w/status.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * This file contains driver status operations. + * + * Copyright (C) [2022-2025] Renesas Electronics Corporation and/or its affiliates. + */ + +#include + +#include "core.h" +#include "if.h" +#include "params.h" +#include "dbg.h" +#include "status.h" + +void ra6w_status_init(struct ra6w_status *status) +{ + spin_lock_init(&status->lock); +} + +void ra6w_status_set(struct ra6w_status *status, u32 value) +{ + unsigned long flags = 0; + + spin_lock_irqsave(&status->lock, flags); + *(u32 *)&status->value[0] = value; + spin_unlock_irqrestore(&status->lock, flags); +} + +void ra6w_status_event_post(struct ra6w_status *status, const struct sk_buff *skb) +{ + struct ra6w_status_buf *rsp = (struct ra6w_status_buf *)skb->data; + + if (rsp->ext_len == RA6W_STATUS_EXT_LEN) + ra6w_status_set(status, rsp->ext_hdr.status); +} + +u8 ra6w_status_rx_get(struct ra6w_status *status) +{ + u8 ret = 0; + unsigned long flags = 0; + + spin_lock_irqsave(&status->lock, flags); + ret = status->value[RA6W_STATUS_BYTE_STATUS] & BIT(RA6W_STATUS_BIT_RX_EMPTY); + spin_unlock_irqrestore(&status->lock, flags); + + return ret; +} + +u8 ra6w_status_tx_get(struct ra6w_status *status, u8 ac) +{ + u8 ret = 0; + u8 value = 0; + unsigned long flags = 0; + + spin_lock_irqsave(&status->lock, flags); + + value = status->value[RA6W_STATUS_BYTE_STATUS]; + + switch (ac) { + case RA6W_TX_DATA_AC: + ret = value & BIT(RA6W_STATUS_BIT_TX_AC_FULL); + break; + case RA6W_TX_DATA_AC_POWER: + ret = value & BIT(RA6W_STATUS_BIT_TX_POWER_FULL); + break; + default: + break; + } + + spin_unlock_irqrestore(&status->lock, flags); + + return ret; +} + +u8 ra6w_status_tx_avail_cnt_get(struct ra6w_status *status, u8 ac) +{ + u8 cnt = 0; + unsigned long flags = 0; + + spin_lock_irqsave(&status->lock, flags); + + switch (ac) { + case RA6W_TX_DATA_AC: + cnt = status->value[RA6W_STATUS_BYTE_TX_AVAIL_CNT]; + break; + case RA6W_TX_DATA_AC_POWER: + cnt = status->value[RA6W_STATUS_BYTE_TX_POWER_AVAIL_CNT]; + break; + default: + break; + } + + spin_unlock_irqrestore(&status->lock, flags); + + return cnt; +} + +int ra6w_status_err_code_to_errno(u8 err) +{ + switch (err) { + case RA6W_STATUS_CODE_SUCCESS: return 0; + case RA6W_STATUS_CODE_FAIL: return -ENOENT; + case RA6W_STATUS_CODE_EMPTY: return -ENODATA; + case RA6W_STATUS_CODE_FULL: return -EXFULL; + case RA6W_STATUS_CODE_INVALID_PARAM: return -EINVAL; + case RA6W_STATUS_CODE_NOT_FOUND: return -ENXIO; + case RA6W_STATUS_CODE_NO_MORE: return -ENOSPC; + case RA6W_STATUS_CODE_NOT_IN_USE: return -ESPIPE; + case RA6W_STATUS_CODE_BUSY: return -EBUSY; + case RA6W_STATUS_CODE_IN_PROGRESS: return -EINPROGRESS; + case RA6W_STATUS_CODE_MEMORY_FAIL: return -ENOMEM; + case RA6W_STATUS_CODE_NOT_SUPPORT: return -EOPNOTSUPP; + case RA6W_STATUS_CODE_EXIST: return -EEXIST; + default: return -EIO; + } +}