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ASoC: Intel: Skylake: use common NHLT module 

No functionality change, only use common functions now.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2019-07-29 10:51:50 -05:00 committed by Takashi Iwai
parent 7a33ea70e1
commit 1169cbf6b9
4 changed files with 9 additions and 97 deletions
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1
sound/soc/intel/Kconfig
View File

@ -215,6 +215,7 @@ config SND_SOC_INTEL_SKYLAKE_COMMON
select SND_SOC_INTEL_SST
select SND_SOC_HDAC_HDA if SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC
select SND_SOC_ACPI_INTEL_MATCH
select SND_INTEL_NHLT
help
If you have a Intel Skylake/Broxton/ApolloLake/KabyLake/
GeminiLake or CannonLake platform with the DSP enabled in the BIOS

90
sound/soc/intel/skylake/skl-nhlt.c
View File

@ -13,54 +13,6 @@
#include "skl.h"
#include "skl-i2s.h"
#define NHLT_ACPI_HEADER_SIG "NHLT"
/* Unique identification for getting NHLT blobs */
static guid_t osc_guid =
GUID_INIT(0xA69F886E, 0x6CEB, 0x4594,
0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53);
struct nhlt_acpi_table *skl_nhlt_init(struct device *dev)
{
acpi_handle handle;
union acpi_object *obj;
struct nhlt_resource_desc *nhlt_ptr = NULL;
struct nhlt_acpi_table *nhlt_table = NULL;
handle = ACPI_HANDLE(dev);
if (!handle) {
dev_err(dev, "Didn't find ACPI_HANDLE\n");
return NULL;
}
obj = acpi_evaluate_dsm(handle, &osc_guid, 1, 1, NULL);
if (obj && obj->type == ACPI_TYPE_BUFFER) {
nhlt_ptr = (struct nhlt_resource_desc *)obj->buffer.pointer;
if (nhlt_ptr->length)
nhlt_table = (struct nhlt_acpi_table *)
memremap(nhlt_ptr->min_addr, nhlt_ptr->length,
MEMREMAP_WB);
ACPI_FREE(obj);
if (nhlt_table && (strncmp(nhlt_table->header.signature,
NHLT_ACPI_HEADER_SIG,
strlen(NHLT_ACPI_HEADER_SIG)) != 0)) {
memunmap(nhlt_table);
dev_err(dev, "NHLT ACPI header signature incorrect\n");
return NULL;
}
return nhlt_table;
}
dev_err(dev, "device specific method to extract NHLT blob failed\n");
return NULL;
}
void skl_nhlt_free(struct nhlt_acpi_table *nhlt)
{
memunmap((void *) nhlt);
}
static struct nhlt_specific_cfg *skl_get_specific_cfg(
struct device *dev, struct nhlt_fmt *fmt,
u8 no_ch, u32 rate, u16 bps, u8 linktype)
@ -163,48 +115,6 @@ struct nhlt_specific_cfg
return NULL;
}
int skl_get_dmic_geo(struct skl *skl)
{
struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;
struct nhlt_endpoint *epnt;
struct nhlt_dmic_array_config *cfg;
struct device *dev = &skl->pci->dev;
unsigned int dmic_geo = 0;
u8 j;
if (!nhlt)
return 0;
epnt = (struct nhlt_endpoint *)nhlt->desc;
for (j = 0; j < nhlt->endpoint_count; j++) {
if (epnt->linktype == NHLT_LINK_DMIC) {
cfg = (struct nhlt_dmic_array_config *)
(epnt->config.caps);
switch (cfg->array_type) {
case NHLT_MIC_ARRAY_2CH_SMALL:
case NHLT_MIC_ARRAY_2CH_BIG:
dmic_geo |= MIC_ARRAY_2CH;
break;
case NHLT_MIC_ARRAY_4CH_1ST_GEOM:
case NHLT_MIC_ARRAY_4CH_L_SHAPED:
case NHLT_MIC_ARRAY_4CH_2ND_GEOM:
dmic_geo |= MIC_ARRAY_4CH;
break;
default:
dev_warn(dev, "undefined DMIC array_type 0x%0x\n",
cfg->array_type);
}
}
epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
}
return dmic_geo;
}
static void skl_nhlt_trim_space(char *trim)
{
char *s = trim;

12
sound/soc/intel/skylake/skl.c
View File

@ -26,9 +26,11 @@
#include <sound/hdaudio.h>
#include <sound/hda_i915.h>
#include <sound/hda_codec.h>
#include <sound/intel-nhlt.h>
#include "skl.h"
#include "skl-sst-dsp.h"
#include "skl-sst-ipc.h"
#if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC)
#include "../../../soc/codecs/hdac_hda.h"
#endif
@ -516,7 +518,9 @@ static int skl_find_machine(struct skl *skl, void *driver_data)
if (pdata) {
skl->use_tplg_pcm = pdata->use_tplg_pcm;
mach->mach_params.dmic_num = skl_get_dmic_geo(skl);
mach->mach_params.dmic_num =
intel_nhlt_get_dmic_geo(&skl->pci->dev,
skl->nhlt);
}
return 0;
@ -1029,7 +1033,7 @@ static int skl_probe(struct pci_dev *pci,
device_disable_async_suspend(bus->dev);
skl->nhlt = skl_nhlt_init(bus->dev);
skl->nhlt = intel_nhlt_init(bus->dev);
if (skl->nhlt == NULL) {
#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC)
@ -1095,7 +1099,7 @@ out_dsp_free:
out_clk_free:
skl_clock_device_unregister(skl);
out_nhlt_free:
skl_nhlt_free(skl->nhlt);
intel_nhlt_free(skl->nhlt);
out_free:
skl_free(bus);
@ -1144,7 +1148,7 @@ static void skl_remove(struct pci_dev *pci)
skl_dmic_device_unregister(skl);
skl_clock_device_unregister(skl);
skl_nhlt_remove_sysfs(skl);
skl_nhlt_free(skl->nhlt);
intel_nhlt_free(skl->nhlt);
skl_free(bus);
dev_set_drvdata(&pci->dev, NULL);
}

3
sound/soc/intel/skylake/skl.h
View File

@ -128,13 +128,10 @@ struct skl_dsp_ops {
int skl_platform_unregister(struct device *dev);
int skl_platform_register(struct device *dev);
struct nhlt_acpi_table *skl_nhlt_init(struct device *dev);
void skl_nhlt_free(struct nhlt_acpi_table *addr);
struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance,
u8 link_type, u8 s_fmt, u8 no_ch,
u32 s_rate, u8 dirn, u8 dev_type);
int skl_get_dmic_geo(struct skl *skl);
int skl_nhlt_update_topology_bin(struct skl *skl);
int skl_init_dsp(struct skl *skl);
int skl_free_dsp(struct skl *skl);