79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only
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*
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* Copyright (c) 2021, MediaTek Inc.
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* Copyright (c) 2021-2022, Intel Corporation.
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*
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* Authors:
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* Haijun Liu <haijun.liu@mediatek.com>
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* Eliot Lee <eliot.lee@intel.com>
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* Ricardo Martinez <ricardo.martinez@linux.intel.com>
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*
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* Contributors:
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* Amir Hanania <amir.hanania@intel.com>
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* Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
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* Moises Veleta <moises.veleta@intel.com>
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* Sreehari Kancharla <sreehari.kancharla@intel.com>
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*/
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#ifndef __T7XX_HIF_DPMA_TX_H__
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#define __T7XX_HIF_DPMA_TX_H__
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#include <linux/bits.h>
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#include <linux/skbuff.h>
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#include <linux/types.h>
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#include "t7xx_hif_dpmaif.h"
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#define DPMAIF_TX_DEFAULT_QUEUE 0
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struct dpmaif_drb {
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__le32 header;
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union {
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struct {
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__le32 data_addr_l;
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__le32 data_addr_h;
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} pd;
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struct {
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__le32 msg_hdr;
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__le32 reserved1;
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} msg;
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};
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__le32 reserved2;
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};
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/* Header fields */
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#define DRB_HDR_DATA_LEN GENMASK(31, 16)
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#define DRB_HDR_RESERVED GENMASK(15, 3)
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#define DRB_HDR_CONT BIT(2)
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#define DRB_HDR_DTYP GENMASK(1, 0)
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#define DRB_MSG_DW2_RES GENMASK(31, 30)
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#define DRB_MSG_L4_CHK BIT(29)
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#define DRB_MSG_IP_CHK BIT(28)
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#define DRB_MSG_RESERVED BIT(27)
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#define DRB_MSG_NETWORK_TYPE GENMASK(26, 24)
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#define DRB_MSG_CHANNEL_ID GENMASK(23, 16)
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#define DRB_MSG_COUNT_L GENMASK(15, 0)
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struct dpmaif_drb_skb {
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struct sk_buff *skb;
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dma_addr_t bus_addr;
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unsigned int data_len;
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u16 index:13;
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u16 is_msg:1;
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u16 is_frag:1;
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u16 is_last:1;
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};
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int t7xx_dpmaif_tx_send_skb(struct dpmaif_ctrl *dpmaif_ctrl, unsigned int txq_number,
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struct sk_buff *skb);
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void t7xx_dpmaif_tx_thread_rel(struct dpmaif_ctrl *dpmaif_ctrl);
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int t7xx_dpmaif_tx_thread_init(struct dpmaif_ctrl *dpmaif_ctrl);
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void t7xx_dpmaif_txq_free(struct dpmaif_tx_queue *txq);
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void t7xx_dpmaif_irq_tx_done(struct dpmaif_ctrl *dpmaif_ctrl, unsigned int que_mask);
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int t7xx_dpmaif_txq_init(struct dpmaif_tx_queue *txq);
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void t7xx_dpmaif_tx_stop(struct dpmaif_ctrl *dpmaif_ctrl);
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void t7xx_dpmaif_tx_clear(struct dpmaif_ctrl *dpmaif_ctrl);
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#endif /* __T7XX_HIF_DPMA_TX_H__ */
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