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- /*
- * 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 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)
- struct mt76_desc {
- __le32 buf0;
- __le32 ctrl;
- __le32 buf1;
- __le32 info;
- } __packed __aligned(4);
- int mt76_dma_attach(struct mt76_dev *dev);
- void mt76_dma_cleanup(struct mt76_dev *dev);
- #endif
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