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Diffstat (limited to 'sound/soc/ux500/ux500_pcm.h')
| -rw-r--r-- | sound/soc/ux500/ux500_pcm.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sound/soc/ux500/ux500_pcm.h b/sound/soc/ux500/ux500_pcm.h new file mode 100644 index 00000000000..3d1ea4f8395 --- /dev/null +++ b/sound/soc/ux500/ux500_pcm.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com>, + * Roger Nilsson <roger.xr.nilsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * 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 UX500_PCM_H +#define UX500_PCM_H + +#include <asm/page.h> +#include <linux/workqueue.h> + +#define UX500_PLATFORM_MIN_RATE_PLAYBACK 8000 +#define UX500_PLATFORM_MAX_RATE_PLAYBACK 48000 +#define UX500_PLATFORM_MIN_RATE_CAPTURE 8000 +#define UX500_PLATFORM_MAX_RATE_CAPTURE 48000 + +#define UX500_PLATFORM_MIN_CHANNELS 1 +#define UX500_PLATFORM_MAX_CHANNELS 8 + +#define UX500_PLATFORM_PERIODS_BYTES_MIN 128 +#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE) +#define UX500_PLATFORM_PERIODS_MIN 2 +#define UX500_PLATFORM_PERIODS_MAX 48 +#define UX500_PLATFORM_BUFFER_BYTES_MAX (2048 * PAGE_SIZE) + +extern struct snd_soc_platform ux500_soc_platform; + +struct ux500_pcm_private { + struct dma_chan *pipeid; + struct workqueue_struct *wq; + struct work_struct ws_stop; + int msp_id; + int stream_id; + unsigned int offset; +}; + +struct ux500_pcm_dma_params { + unsigned int data_size; + struct stedma40_chan_cfg *dma_cfg; +}; + +#endif |