xref: /openbmc/linux/sound/soc/intel/avs/cldma.h (revision 45864e49)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
4  *
5  * Author: Cezary Rojewski <cezary.rojewski@intel.com>
6  */
7 
8 #ifndef __SOUND_SOC_INTEL_AVS_CLDMA_H
9 #define __SOUND_SOC_INTEL_AVS_CLDMA_H
10 
11 #define AVS_CL_DEFAULT_BUFFER_SIZE	(32 * PAGE_SIZE)
12 
13 struct hda_cldma;
14 extern struct hda_cldma code_loader;
15 
16 void hda_cldma_fill(struct hda_cldma *cl);
17 void hda_cldma_transfer(struct hda_cldma *cl, unsigned long start_delay);
18 
19 int hda_cldma_start(struct hda_cldma *cl);
20 int hda_cldma_stop(struct hda_cldma *cl);
21 int hda_cldma_reset(struct hda_cldma *cl);
22 
23 void hda_cldma_set_data(struct hda_cldma *cl, void *data, unsigned int size);
24 void hda_cldma_setup(struct hda_cldma *cl);
25 int hda_cldma_init(struct hda_cldma *cl, struct hdac_bus *bus, void __iomem *dsp_ba,
26 		   unsigned int buffer_size);
27 void hda_cldma_free(struct hda_cldma *cl);
28 
29 #endif
30