39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
|
|
* 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
|