developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: ISC */ |
| 2 | /* |
| 3 | * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> |
| 4 | */ |
| 5 | |
| 6 | #ifndef __MT76x02_DMA_H |
| 7 | #define __MT76x02_DMA_H |
| 8 | |
| 9 | #include "mt76x02.h" |
| 10 | #include "dma.h" |
| 11 | |
| 12 | #define MT_TXD_INFO_LEN GENMASK(15, 0) |
| 13 | #define MT_TXD_INFO_NEXT_VLD BIT(16) |
| 14 | #define MT_TXD_INFO_TX_BURST BIT(17) |
| 15 | #define MT_TXD_INFO_80211 BIT(19) |
| 16 | #define MT_TXD_INFO_TSO BIT(20) |
| 17 | #define MT_TXD_INFO_CSO BIT(21) |
| 18 | #define MT_TXD_INFO_WIV BIT(24) |
| 19 | #define MT_TXD_INFO_QSEL GENMASK(26, 25) |
| 20 | #define MT_TXD_INFO_DPORT GENMASK(29, 27) |
| 21 | #define MT_TXD_INFO_TYPE GENMASK(31, 30) |
| 22 | |
| 23 | #define MT_RX_FCE_INFO_LEN GENMASK(13, 0) |
| 24 | #define MT_RX_FCE_INFO_SELF_GEN BIT(15) |
| 25 | #define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16) |
| 26 | #define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20) |
| 27 | #define MT_RX_FCE_INFO_PCIE_INTR BIT(24) |
| 28 | #define MT_RX_FCE_INFO_QSEL GENMASK(26, 25) |
| 29 | #define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27) |
| 30 | #define MT_RX_FCE_INFO_TYPE GENMASK(31, 30) |
| 31 | |
| 32 | /* MCU request message header */ |
| 33 | #define MT_MCU_MSG_LEN GENMASK(15, 0) |
| 34 | #define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16) |
| 35 | #define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20) |
| 36 | #define MT_MCU_MSG_PORT GENMASK(29, 27) |
| 37 | #define MT_MCU_MSG_TYPE GENMASK(31, 30) |
| 38 | #define MT_MCU_MSG_TYPE_CMD BIT(30) |
| 39 | |
| 40 | #define MT_RX_HEADROOM 32 |
| 41 | #define MT76X02_RX_RING_SIZE 256 |
| 42 | |
| 43 | enum dma_msg_port { |
| 44 | WLAN_PORT, |
| 45 | CPU_RX_PORT, |
| 46 | CPU_TX_PORT, |
| 47 | HOST_PORT, |
| 48 | VIRTUAL_CPU_RX_PORT, |
| 49 | VIRTUAL_CPU_TX_PORT, |
| 50 | DISCARD, |
| 51 | }; |
| 52 | |
| 53 | static inline bool |
| 54 | mt76x02_wait_for_wpdma(struct mt76_dev *dev, int timeout) |
| 55 | { |
| 56 | return __mt76_poll(dev, MT_WPDMA_GLO_CFG, |
| 57 | MT_WPDMA_GLO_CFG_TX_DMA_BUSY | |
| 58 | MT_WPDMA_GLO_CFG_RX_DMA_BUSY, |
| 59 | 0, timeout); |
| 60 | } |
| 61 | |
| 62 | int mt76x02_dma_init(struct mt76x02_dev *dev); |
| 63 | void mt76x02_dma_disable(struct mt76x02_dev *dev); |
| 64 | |
| 65 | #endif /* __MT76x02_DMA_H */ |