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Diffstat (limited to 'sound/soc/imx/imx-pcm.h')
| -rw-r--r-- | sound/soc/imx/imx-pcm.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sound/soc/imx/imx-pcm.h b/sound/soc/imx/imx-pcm.h new file mode 100644 index 000000000000..5a7efa171a71 --- /dev/null +++ b/sound/soc/imx/imx-pcm.h @@ -0,0 +1,83 @@ +/* + * imx-pcm.h :- ASoC platform header for Freescale i.MX + * + * Copyright 2006 Wolfson Microelectronics PLC. + * Copyright 2006, 2009-2010 Freescale Semiconductor, Inc. + * + * 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 + +#include <mach/dma.h> + +/* AUDMUX regs definition */ +#define AUDMUX_IO_BASE_ADDR IO_ADDRESS(AUDMUX_BASE_ADDR) + +#define DAM_PTCR1 ((AUDMUX_IO_BASE_ADDR) + 0x00) +#define DAM_PDCR1 ((AUDMUX_IO_BASE_ADDR) + 0x04) +#define DAM_PTCR2 ((AUDMUX_IO_BASE_ADDR) + 0x08) +#define DAM_PDCR2 ((AUDMUX_IO_BASE_ADDR) + 0x0C) +#define DAM_PTCR3 ((AUDMUX_IO_BASE_ADDR) + 0x10) +#define DAM_PDCR3 ((AUDMUX_IO_BASE_ADDR) + 0x14) +#define DAM_PTCR4 ((AUDMUX_IO_BASE_ADDR) + 0x18) +#define DAM_PDCR4 ((AUDMUX_IO_BASE_ADDR) + 0x1C) +#define DAM_PTCR5 ((AUDMUX_IO_BASE_ADDR) + 0x20) +#define DAM_PDCR5 ((AUDMUX_IO_BASE_ADDR) + 0x24) +#define DAM_PTCR6 ((AUDMUX_IO_BASE_ADDR) + 0x28) +#define DAM_PDCR6 ((AUDMUX_IO_BASE_ADDR) + 0x2C) +#define DAM_PTCR7 ((AUDMUX_IO_BASE_ADDR) + 0x30) +#define DAM_PDCR7 ((AUDMUX_IO_BASE_ADDR) + 0x34) +#define DAM_CNMCR ((AUDMUX_IO_BASE_ADDR) + 0x38) +#define DAM_PTCR(a) ((AUDMUX_IO_BASE_ADDR) + (a-1)*8) +#define DAM_PDCR(a) ((AUDMUX_IO_BASE_ADDR) + 4 + (a-1)*8) + +#define AUDMUX_PTCR_TFSDIR (1 << 31) +#define AUDMUX_PTCR_TFSSEL(x, y) \ + ((x << 30) | (((y - 1) & 0x7) << 27)) +#define AUDMUX_PTCR_TCLKDIR (1 << 26) +#define AUDMUX_PTCR_TCSEL(x, y) \ + ((x << 25) | (((y - 1) & 0x7) << 22)) +#define AUDMUX_PTCR_RFSDIR (1 << 21) +#define AUDMUX_PTCR_RFSSEL(x, y) \ + ((x << 20) | (((y - 1) & 0x7) << 17)) +#define AUDMUX_PTCR_RCLKDIR (1 << 16) +#define AUDMUX_PTCR_RCSEL(x, y) \ + ((x << 15) | (((y - 1) & 0x7) << 12)) +#define AUDMUX_PTCR_SYN (1 << 11) + +#define AUDMUX_FROM_TXFS 0 +#define AUDMUX_FROM_RXFS 1 + +#define AUDMUX_PDCR_RXDSEL(x) (((x - 1) & 0x7) << 13) +#define AUDMUX_PDCR_TXDXEN (1 << 12) +#define AUDMUX_PDCR_MODE(x) (((x) & 0x3) << 8) +#define AUDMUX_PDCR_INNMASK(x) (((x) & 0xff) << 0) + +#define AUDMUX_CNMCR_CEN (1 << 18) +#define AUDMUX_CNMCR_FSPOL (1 << 17) +#define AUDMUX_CNMCR_CLKPOL (1 << 16) +#define AUDMUX_CNMCR_CNTHI(x) (((x) & 0xff) << 8) +#define AUDMUX_CNMCR_CNTLOW(x) (((x) & 0xff) << 0) + + +struct mxc_runtime_data { + int dma_ch; + spinlock_t dma_lock; + int active, period, periods; + int dma_wchannel; + int dma_active; + int dma_alloc; +#if defined(CONFIG_MXC_ASRC) || defined(CONFIG_MXC_ASRC_MODULE) + int dma_asrc; + int asrc_index; + int asrc_enable; +#endif +}; + +extern struct snd_soc_platform imx_soc_platform; + +#endif |