| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip |
| 3 | * |
| 4 | * Author: Nicolas Pitre |
| 5 | * Created: Nov 30, 2004 |
| 6 | * Copyright: MontaVista Software, Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | #include <mach/dma.h> |
| 13 | |
| 14 | struct pxa2xx_runtime_data { |
| 15 | int dma_ch; |
| 16 | struct pxa2xx_pcm_dma_params *params; |
| 17 | pxa_dma_desc *dma_desc_array; |
| 18 | dma_addr_t dma_desc_array_phys; |
| 19 | }; |
| 20 | |
| 21 | struct pxa2xx_pcm_client { |
| 22 | struct pxa2xx_pcm_dma_params *playback_params; |
| 23 | struct pxa2xx_pcm_dma_params *capture_params; |
| 24 | int (*startup)(struct snd_pcm_substream *); |
| 25 | void (*shutdown)(struct snd_pcm_substream *); |
| 26 | int (*prepare)(struct snd_pcm_substream *); |
| 27 | }; |
| 28 | |
| 29 | extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **); |
| 30 | |