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dma: cavs: use Zephyr DW-DMA & HDA drivers 

Get device binding for DW-DMA & HDA drivers using Zephyr API

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
This commit is contained in:
Adrian Bonislawski 2022-05-12 08:56:23 +02:00 committed by Liam Girdwood
parent 2b7fdc95de
commit a145313efc
1 changed files with 29 additions and 1 deletions
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30
src/platform/intel/cavs/lib/dma.c
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@ -15,6 +15,9 @@
#include <sof/lib/memory.h> #include <sof/lib/memory.h>
#include <sof/sof.h> #include <sof/sof.h>
#include <sof/spinlock.h> #include <sof/spinlock.h>
#ifdef __ZEPHYR__
#include <device.h>
#endif
#if CONFIG_APOLLOLAKE #if CONFIG_APOLLOLAKE
#define DMAC0_CLASS 1 #define DMAC0_CLASS 1
@ -246,6 +249,9 @@ static const struct dma_info lib_dma = {
/* Initialize all platform DMAC's */ /* Initialize all platform DMAC's */
int dmac_init(struct sof *sof) int dmac_init(struct sof *sof)
{ {
#if CONFIG_ZEPHYR_NATIVE_DRIVERS
struct device *z_dev;
#endif
int i; int i;
/* no probing before first use */ /* no probing before first use */
@ -254,8 +260,30 @@ int dmac_init(struct sof *sof)
sof->dma_info = &lib_dma; sof->dma_info = &lib_dma;
/* early lock initialization for ref counting */ /* early lock initialization for ref counting */
for (i = 0; i < sof->dma_info->num_dmas; i++) for (i = 0; i < sof->dma_info->num_dmas; i++) {
k_spinlock_init(&sof->dma_info->dma_array[i].lock); k_spinlock_init(&sof->dma_info->dma_array[i].lock);
#if CONFIG_ZEPHYR_NATIVE_DRIVERS
switch (sof->dma_info->dma_array[i].plat_data.id) {
case DMA_HOST_IN_DMAC:
z_dev = device_get_binding("HDA_HOST_IN");
break;
case DMA_HOST_OUT_DMAC:
z_dev = device_get_binding("HDA_HOST_OUT");
break;
case DMA_GP_LP_DMAC0:
z_dev = device_get_binding("DMA_0");
break;
case DMA_GP_LP_DMAC1:
z_dev = device_get_binding("DMA_1");
break;
default:
continue;
}
if (!z_dev)
return -EINVAL;
sof->dma_info->dma_array[i].z_dev = z_dev;
#endif
}
return 0; return 0;
} }