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Diffstat (limited to 'sound/soc/ux500/ux500_pcm.h')
| -rwxr-xr-x | 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 100755 index 00000000000..8320df78ae5 --- /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 <mach/msp.h> + +#define UX500_PLATFORM_BUFFER_SIZE (64*1024) + +#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 2 +#define UX500_PLATFORM_MIN_PERIOD_BYTES 128 + +enum alsa_state { + ALSA_STATE_PAUSED, + ALSA_STATE_RUNNING +}; + +extern struct snd_soc_platform ux500_soc_platform; + +struct ux500_pcm_private_s { + int msp_id; + int stream_id; + int active; + int period; + int periods; + enum alsa_state state; + unsigned int old_offset; + struct semaphore alsa_sem; + struct completion alsa_com; +}; + +irqreturn_t ux500_pcm_dma_eot_handler(void *data, int irq); + +#endif |