| /* Copyright (c) 2010-2011, Code Aurora Forum. 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); |
| void dai_stop_hdmi(uint32_t dma_ch); |
| |
| #endif |