| 1 | /* SPDX-License-Identifier: ISC */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __MT76x02_DMA_H |
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| 7 | #define __MT76x02_DMA_H |
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| 8 | |
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| 9 | #include "mt76x02.h" |
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| 10 | #include "dma.h" |
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| 11 | |
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| 12 | #define MT_TXD_INFO_LEN GENMASK(15, 0) |
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| 13 | #define MT_TXD_INFO_NEXT_VLD BIT(16) |
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| 14 | #define MT_TXD_INFO_TX_BURST BIT(17) |
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| 15 | #define MT_TXD_INFO_80211 BIT(19) |
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| 16 | #define MT_TXD_INFO_TSO BIT(20) |
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| 17 | #define MT_TXD_INFO_CSO BIT(21) |
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| 18 | #define MT_TXD_INFO_WIV BIT(24) |
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| 19 | #define MT_TXD_INFO_QSEL GENMASK(26, 25) |
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| 20 | #define MT_TXD_INFO_DPORT GENMASK(29, 27) |
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| 21 | #define MT_TXD_INFO_TYPE GENMASK(31, 30) |
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| 22 | |
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| 23 | #define MT_RX_FCE_INFO_LEN GENMASK(13, 0) |
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| 24 | #define MT_RX_FCE_INFO_SELF_GEN BIT(15) |
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| 25 | #define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16) |
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| 26 | #define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20) |
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| 27 | #define MT_RX_FCE_INFO_PCIE_INTR BIT(24) |
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| 28 | #define MT_RX_FCE_INFO_QSEL GENMASK(26, 25) |
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| 29 | #define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27) |
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| 30 | #define MT_RX_FCE_INFO_TYPE GENMASK(31, 30) |
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| 31 | |
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| 32 | /* MCU request message header */ |
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| 33 | #define MT_MCU_MSG_LEN GENMASK(15, 0) |
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| 34 | #define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16) |
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| 35 | #define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20) |
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| 36 | #define MT_MCU_MSG_PORT GENMASK(29, 27) |
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| 37 | #define MT_MCU_MSG_TYPE GENMASK(31, 30) |
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| 38 | #define MT_MCU_MSG_TYPE_CMD BIT(30) |
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| 39 | |
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| 40 | #define MT_RX_HEADROOM 32 |
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| 41 | #define MT76X02_RX_RING_SIZE 256 |
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| 42 | |
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| 43 | enum dma_msg_port { |
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| 44 | WLAN_PORT, |
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| 45 | CPU_RX_PORT, |
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| 46 | CPU_TX_PORT, |
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| 47 | HOST_PORT, |
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| 48 | VIRTUAL_CPU_RX_PORT, |
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| 49 | VIRTUAL_CPU_TX_PORT, |
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| 50 | DISCARD, |
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| 51 | }; |
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| 52 | |
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| 53 | static inline bool |
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| 54 | mt76x02_wait_for_wpdma(struct mt76_dev *dev, int timeout) |
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| 55 | { |
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| 56 | return __mt76_poll(dev, MT_WPDMA_GLO_CFG, |
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| 57 | MT_WPDMA_GLO_CFG_TX_DMA_BUSY | |
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| 58 | MT_WPDMA_GLO_CFG_RX_DMA_BUSY, |
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| 59 | val: 0, timeout); |
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| 60 | } |
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| 61 | |
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| 62 | int mt76x02_dma_init(struct mt76x02_dev *dev); |
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| 63 | void mt76x02_dma_disable(struct mt76x02_dev *dev); |
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| 64 | |
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| 65 | #endif /* __MT76x02_DMA_H */ |
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| 66 | |
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