1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright(c) 2017 Intel Corporation. All rights reserved. 4 * 5 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 6 * Keyon Jie <yang.jie@linux.intel.com> 7 * Rander Wang <rander.wang@intel.com> 8 */ 9 10 #ifdef __SOF_LIB_DMA_H__ 11 12 #ifndef __PLATFORM_LIB_DMA_H__ 13 #define __PLATFORM_LIB_DMA_H__ 14 15 /* number of supported DMACs */ 16 #define PLATFORM_NUM_DMACS 3 17 18 /* max number of supported DMA channels */ 19 #define PLATFORM_MAX_DMA_CHAN 8 20 21 /* available DMACs */ 22 #define DMA_GP_LP_DMAC0 0 23 #define DMA_GP_LP_DMAC1 1 24 #define DMA_GP_LP_DMAC2 2 25 26 /* mappings - TODO improve API to get type */ 27 #define DMA_ID_DMAC0 DMA_GP_LP_DMAC0 28 #define DMA_ID_DMAC1 DMA_GP_LP_DMAC1 29 #define DMA_ID_DMAC2 DMA_GP_LP_DMAC1 30 31 /* handshakes */ 32 #define DMA_HANDSHAKE_DMIC_CH0 0 33 #define DMA_HANDSHAKE_DMIC_CH1 1 34 #define DMA_HANDSHAKE_SSP0_RX 2 35 #define DMA_HANDSHAKE_SSP0_TX 3 36 #define DMA_HANDSHAKE_SSP1_RX 4 37 #define DMA_HANDSHAKE_SSP1_TX 5 38 #define DMA_HANDSHAKE_SSP2_RX 6 39 #define DMA_HANDSHAKE_SSP2_TX 7 40 #define DMA_HANDSHAKE_SSP3_RX 8 41 #define DMA_HANDSHAKE_SSP3_TX 9 42 #define DMA_HANDSHAKE_SSI_TX 26 43 #define DMA_HANDSHAKE_SSI_RX 27 44 45 #define dma_chan_irq(dma, chan) dma_irq(dma) 46 #define dma_chan_irq_name(dma, chan) dma_irq_name(dma) 47 48 #endif /* __PLATFORM_LIB_DMA_H__ */ 49 50 #else 51 52 #error "This file shouldn't be included from outside of sof/lib/dma.h" 53 54 #endif /* __SOF_LIB_DMA_H__ */ 55
