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author | Ingo Molnar <mingo@elte.hu> | 2009-04-06 01:41:22 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-06 01:41:22 +0200 |
commit | 9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95 (patch) | |
tree | 7ff8833745d2f268f897f6fa4a27263b4a572245 /include/sound/atmel-ac97c.h | |
parent | genirq: fix devres.o build for GENERIC_HARDIRQS=n (diff) | |
parent | Merge branch 'audit.b62' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff) | |
download | linux-9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95.tar.xz linux-9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95.zip |
Merge branch 'linus' into irq/threaded
Conflicts:
include/linux/irq.h
kernel/irq/handle.c
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 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 */ |