/* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __MT76_DMA_H #define __MT76_DMA_H #define DMA_DUMMY_DATA ((void *)~0) #define MT_RING_SIZE 0x10 #define MT_DMA_CTL_SD_LEN1 GENMASK(13, 0) #define MT_DMA_CTL_LAST_SEC1 BIT(14) #define MT_DMA_CTL_BURST BIT(15) #define MT_DMA_CTL_SD_LEN0 GENMASK(29, 16) #define MT_DMA_CTL_LAST_SEC0 BIT(30) #define MT_DMA_CTL_DMA_DONE BIT(31) #define MT_DMA_HDR_LEN 4 #define MT_RX_INFO_LEN 4 #define MT_FCE_INFO_LEN 4 #define MT_RX_RXWI_LEN 32 struct mt76_desc { __le32 buf0; __le32 ctrl; __le32 buf1; __le32 info; } __packed __aligned(4); enum mt76_qsel { MT_QSEL_MGMT, MT_QSEL_HCCA, MT_QSEL_EDCA, MT_QSEL_EDCA_2, }; enum mt76_mcu_evt_type { EVT_CMD_DONE, EVT_CMD_ERROR, EVT_CMD_RETRY, EVT_EVENT_PWR_RSP, EVT_EVENT_WOW_RSP, EVT_EVENT_CARRIER_DETECT_RSP, EVT_EVENT_DFS_DETECT_RSP, }; void mt76_dma_attach(struct mt76_dev *dev); void mt76_dma_cleanup(struct mt76_dev *dev); #endif