diff options
Diffstat (limited to 'sound/soc/imx/mx1_mx2-pcm.h')
| -rw-r--r-- | sound/soc/imx/mx1_mx2-pcm.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sound/soc/imx/mx1_mx2-pcm.h b/sound/soc/imx/mx1_mx2-pcm.h new file mode 100644 index 00000000000..e1e3a3fd7bf --- /dev/null +++ b/sound/soc/imx/mx1_mx2-pcm.h @@ -0,0 +1,48 @@ +/* + * mx1_mx2-pcm.h :- ASoC platform header for Freescale i.MX1x, i.MX2x + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _MXC_PCM_H +#define _MXC_PCM_H + +/* AUDMUX register definitions */ +#define AUDMUX_IO_BASE_ADDR IO_ADDRESS(AUDMUX_BASE_ADDR) + +#define DAM_HPCR1 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x00))) +#define DAM_HPCR2 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x04))) +#define DAM_HPCR3 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x08))) +#define DAM_PPCR1 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x10))) +#define DAM_PPCR2 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x14))) +#define DAM_PPCR3 (*((volatile u32 *)(AUDMUX_IO_BASE_ADDR + 0x1C))) + +#define AUDMUX_HPCR_TFSDIR (1 << 31) +#define AUDMUX_HPCR_TCLKDIR (1 << 30) +#define AUDMUX_HPCR_TFCSEL(x) (((x) & 0xff) << 26) +#define AUDMUX_HPCR_RXDSEL(x) (((x) & 0x7) << 13) +#define AUDMUX_HPCR_SYN (1 << 12) + +#define AUDMUX_PPCR_TFSDIR (1 << 31) +#define AUDMUX_PPCR_TCLKDIR (1 << 30) +#define AUDMUX_PPCR_TFCSEL(x) (((x) & 0xff) << 26) +#define AUDMUX_PPCR_RXDSEL(x) (((x) & 0x7) << 13) +#define AUDMUX_PPCR_SYN (1 << 12) + +/* DMA information for mx1_mx2 platforms */ +struct mx1_mx2_pcm_dma_params { + char *name; /* stream identifier */ + unsigned int transfer_type; /* READ or WRITE DMA transfer */ + dma_addr_t per_address; /* physical address of SSI fifo */ + int event_id; /* fixed DMA number for SSI fifo */ + int watermark_level; /* SSI fifo watermark level */ + int per_config; /* DMA Config flags for peripheral */ + int mem_config; /* DMA Config flags for RAM */ + }; + +/* platform data */ +extern struct snd_soc_platform mx1_mx2_soc_platform; + +#endif |