diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
commit | 7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (patch) | |
tree | 693061ebde2abc35ecc846e5084630d7225aaaff /include/sound/atmel-ac97c.h | |
parent | d820ac4c2fa881079e6b689d2098adce337558ae (diff) | |
parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) |
Merge branch 'linus' into locking-for-linus
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'include/sound/atmel-ac97c.h')
-rw-r--r-- | include/sound/atmel-ac97c.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/sound/atmel-ac97c.h b/include/sound/atmel-ac97c.h new file mode 100644 index 00000000000..e6aabdb4586 --- /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 */ |