LXR linux/drivers/net/wireless/mediatek/mt76/dma.h

   1/* SPDX-License-Identifier: ISC */
   2/*
   3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   4 */
   5#ifndef __MT76_DMA_H
   6#define __MT76_DMA_H
   7
   8#define DMA_DUMMY_DATA                  ((void *)~0)
   9
  10#define MT_RING_SIZE                    0x10
  11
  12#define MT_DMA_CTL_SD_LEN1              GENMASK(13, 0)
  13#define MT_DMA_CTL_LAST_SEC1            BIT(14)
  14#define MT_DMA_CTL_BURST                BIT(15)
  15#define MT_DMA_CTL_SD_LEN0              GENMASK(29, 16)
  16#define MT_DMA_CTL_LAST_SEC0            BIT(30)
  17#define MT_DMA_CTL_DMA_DONE             BIT(31)
  18
  19#define MT_DMA_HDR_LEN                  4
  20#define MT_RX_INFO_LEN                  4
  21#define MT_FCE_INFO_LEN                 4
  22#define MT_RX_RXWI_LEN                  32
  23
  24struct mt76_desc {
  25        __le32 buf0;
  26        __le32 ctrl;
  27        __le32 buf1;
  28        __le32 info;
  29} __packed __aligned(4);
  30
  31enum mt76_qsel {
  32        MT_QSEL_MGMT,
  33        MT_QSEL_HCCA,
  34        MT_QSEL_EDCA,
  35        MT_QSEL_EDCA_2,
  36};
  37
  38enum mt76_mcu_evt_type {
  39        EVT_CMD_DONE,
  40        EVT_CMD_ERROR,
  41        EVT_CMD_RETRY,
  42        EVT_EVENT_PWR_RSP,
  43        EVT_EVENT_WOW_RSP,
  44        EVT_EVENT_CARRIER_DETECT_RSP,
  45        EVT_EVENT_DFS_DETECT_RSP,
  46};
  47
  48void mt76_dma_attach(struct mt76_dev *dev);
  49void mt76_dma_cleanup(struct mt76_dev *dev);
  50
  51#endif
  52