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
  24 struct mt76_desc {
  25         __le32 buf0;
  26         __le32 ctrl;
  27         __le32 buf1;
  28         __le32 info;
  29 } __packed __aligned(4);
  30
  31 enum mt76_qsel {
  32         MT_QSEL_MGMT,
  33         MT_QSEL_HCCA,
  34         MT_QSEL_EDCA,
  35         MT_QSEL_EDCA_2,
  36 };
  37
  38 enum 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
  48 void mt76_dma_attach(struct mt76_dev *dev);
  49 void mt76_dma_cleanup(struct mt76_dev *dev);
  50
  51 #endif