diff options
Diffstat (limited to 'sound/soc/samsung/s3c-idma.h')
-rw-r--r-- | sound/soc/samsung/s3c-idma.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/samsung/s3c-idma.h b/sound/soc/samsung/s3c-idma.h new file mode 100644 index 0000000..351c3c3 --- /dev/null +++ b/sound/soc/samsung/s3c-idma.h @@ -0,0 +1,37 @@ +/* + * s3c-idma.h -- I2S0's Internal Dma driver + * + * Copyright (c) 2010 Samsung Electronics Co. Ltd + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __S3C_IDMA_H_ +#define __S3C_IDMA_H_ + +#ifdef CONFIG_ARCH_S5PC1XX /* S5PC100 */ +#define MAX_LP_BUFF (128 * 1024) +#define LP_DMA_PERIOD (105 * 1024) +#else +#define MAX_LP_BUFF (160 * 1024) +#define LP_DMA_PERIOD (128 * 1024) +#endif + +#define LP_TXBUFF_ADDR (0xC0000000) +#define S5P_IISLVLINTMASK (0xf<<20) + +/* dma_state */ +#define LPAM_DMA_STOP 0 +#define LPAM_DMA_START 1 + +extern struct snd_soc_platform_driver idma_soc_platform; +extern int i2s_trigger_stop; +extern bool audio_clk_gated ; +void s5p_idma_init(void *regs); + +#endif /* __S3C_IDMA_H_ */ |