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author | Takashi Iwai <tiwai@suse.de> | 2009-03-24 00:35:56 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-03-24 00:35:56 +0100 |
commit | 158c1529fe8d0094d0051169fd2b1a23e6305223 (patch) | |
tree | 0124bd13dba117eb6e167115074ba03417776c31 /include/sound | |
parent | b5c784894c90042f4fc6348aedc7524e899df281 (diff) | |
parent | 6c7578bb0a631d018a68e5f90554f29fbd928055 (diff) | |
download | lwn-158c1529fe8d0094d0051169fd2b1a23e6305223.tar.gz lwn-158c1529fe8d0094d0051169fd2b1a23e6305223.zip |
Merge branch 'topic/atmel' into for-linus
Diffstat (limited to 'include/sound')
-rw-r--r-- | include/sound/atmel-abdac.h | 23 | ||||
-rw-r--r-- | include/sound/atmel-ac97c.h | 40 |
2 files changed, 63 insertions, 0 deletions
diff --git a/include/sound/atmel-abdac.h b/include/sound/atmel-abdac.h new file mode 100644 index 000000000000..edff6a8ba1b5 --- /dev/null +++ b/include/sound/atmel-abdac.h @@ -0,0 +1,23 @@ +/* + * Driver for the Atmel Audio Bitstream DAC (ABDAC) + * + * Copyright (C) 2009 Atmel Corporation + * + * 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 __INCLUDE_SOUND_ATMEL_ABDAC_H +#define __INCLUDE_SOUND_ATMEL_ABDAC_H + +#include <linux/dw_dmac.h> + +/** + * struct atmel_abdac_pdata - board specific ABDAC configuration + * @dws: DMA slave interface to use for sound playback. + */ +struct atmel_abdac_pdata { + struct dw_dma_slave dws; +}; + +#endif /* __INCLUDE_SOUND_ATMEL_ABDAC_H */ diff --git a/include/sound/atmel-ac97c.h b/include/sound/atmel-ac97c.h new file mode 100644 index 000000000000..e6aabdb45865 --- /dev/null +++ b/include/sound/atmel-ac97c.h @@ -0,0 +1,40 @@ +/* + * Driver for the Atmel AC97C controller + * + * Copyright (C) 2005-2009 Atmel Corporation + * + * 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 __INCLUDE_SOUND_ATMEL_AC97C_H +#define __INCLUDE_SOUND_ATMEL_AC97C_H + +#include <linux/dw_dmac.h> + +#define AC97C_CAPTURE 0x01 +#define AC97C_PLAYBACK 0x02 +#define AC97C_BOTH (AC97C_CAPTURE | AC97C_PLAYBACK) + +/** + * struct atmel_ac97c_pdata - board specific AC97C configuration + * @rx_dws: DMA slave interface to use for sound capture. + * @tx_dws: DMA slave interface to use for sound playback. + * @reset_pin: GPIO pin wired to the reset input on the external AC97 codec, + * optional to use, set to -ENODEV if not in use. AC97 layer will + * try to do a software reset of the external codec anyway. + * @flags: Flags for which directions should be enabled. + * + * If the user do not want to use a DMA channel for playback or capture, i.e. + * only one feature is required on the board. The slave for playback or capture + * can be set to NULL. The AC97C driver will take use of this when setting up + * the sound streams. + */ +struct ac97c_platform_data { + struct dw_dma_slave rx_dws; + struct dw_dma_slave tx_dws; + unsigned int flags; + int reset_pin; +}; + +#endif /* __INCLUDE_SOUND_ATMEL_AC97C_H */ |