/* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #ifndef __DAI_H__ #define __DAI_H__ struct dai_dma_params { u8 *buffer; uint32_t src_start; uint32_t bus_id; int buffer_size; int period_size; int channels; }; enum { DAI_SPKR = 0, DAI_MIC, DAI_MI2S, DAI_SEC_SPKR, DAI_SEC_MIC, }; /* Function Prototypes */ int dai_open(uint32_t dma_ch); void dai_close(uint32_t dma_ch); int dai_start(uint32_t dma_ch); int dai_stop(uint32_t dma_ch); int dai_set_params(uint32_t dma_ch, struct dai_dma_params *params); uint32_t dai_get_dma_pos(uint32_t dma_ch); void register_dma_irq_handler(int dma_ch, irqreturn_t (*callback) (int intrSrc, void *private_data), void *private_data); void unregister_dma_irq_handler(int dma_ch); void dai_set_master_mode(uint32_t dma_ch, int mode); int dai_start_hdmi(uint32_t dma_ch); int wait_for_dma_cnt_stop(uint32_t dma_ch); void dai_stop_hdmi(uint32_t dma_ch); #endif