Merge branch 'topic/hda-dmic' of https://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / sound / soc / intel / skylake / skl-nhlt.c

diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c
index 6fc3a190067edbf34a1fc699febbb77e7ae48820..ab3d23c7bd65d939682a9452fa7c4025406573f2 100644 (file)
--- a/sound/soc/intel/skylake/skl-nhlt.c
+++ b/sound/soc/intel/skylake/skl-nhlt.c
@@ -9,57 +9,10 @@
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 #include <linux/pci.h>
+#include <sound/intel-nhlt.h>
 #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)
@@ -162,48 +115,6 @@ struct nhlt_specific_cfg
        return NULL;
 }
 
-int skl_get_dmic_geo(struct skl_dev *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;