ASoC: Intel: Skylake: Commonize library load

request firmware, strip extended manifest and release library changes
are common to kabylake and APL.

So move these common code to utils to be reused in later patches for
kabylake library load.
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/bxt-sst.c

@@ -53,18 +53,6 @@ static unsigned int bxt_get_errorcode(struct sst_dsp *ctx)
 	 return sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE);
 }
 
-static void sst_bxt_release_library(struct skl_lib_info *linfo, int lib_count)
-{
-	int i;
-
-	for (i = 1; i < lib_count; i++) {
-		if (linfo[i].fw) {
-			release_firmware(linfo[i].fw);
-			linfo[i].fw = NULL;
-		}
-	}
-}
-
 static int
 bxt_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count)
 {
@@ -75,26 +63,10 @@ bxt_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count)
 
 	/* library indices start from 1 to N. 0 represents base FW */
 	for (i = 1; i < lib_count; i++) {
-		if (linfo[i].fw == NULL) {
-			ret = request_firmware(&linfo[i].fw, linfo[i].name,
-						ctx->dev);
-			if (ret < 0) {
-				dev_err(ctx->dev, "Request lib %s failed:%d\n",
-					linfo[i].name, ret);
-				goto load_library_failed;
-			}
-		}
-
-		if (skl->is_first_boot) {
-			ret = snd_skl_parse_uuids(ctx, linfo[i].fw,
+		ret = skl_prepare_lib_load(skl, &skl->lib_info[i], &stripped_fw,
 					BXT_ADSP_FW_BIN_HDR_OFFSET, i);
 		if (ret < 0)
 			goto load_library_failed;
-		}
-
-		stripped_fw.data = linfo[i].fw->data;
-		stripped_fw.size = linfo[i].fw->size;
-		skl_dsp_strip_extended_manifest(&stripped_fw);
 
 		stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40,
 					stripped_fw.size, &dmab);
@@ -121,7 +93,7 @@ bxt_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count)
 	return ret;
 
 load_library_failed:
-	sst_bxt_release_library(linfo, lib_count);
+	skl_release_library(linfo, lib_count);
 	return ret;
 }
 
@@ -648,7 +620,7 @@ EXPORT_SYMBOL_GPL(bxt_sst_init_fw);
 void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
 {
 
-	sst_bxt_release_library(ctx->lib_info, ctx->lib_count);
+	skl_release_library(ctx->lib_info, ctx->lib_count);
 	if (ctx->dsp->fw)
 		release_firmware(ctx->dsp->fw);
 	skl_freeup_uuid_list(ctx);

sound/soc/intel/skylake/skl-sst-dsp.h

@@ -18,6 +18,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/uuid.h>
+#include <linux/firmware.h>
 #include <sound/memalloc.h>
 #include "skl-sst-cldma.h"
 
@@ -145,7 +146,7 @@ struct skl_dsp_fw_ops {
 	int (*load_fw)(struct sst_dsp  *ctx);
 	/* FW module parser/loader */
 	int (*load_library)(struct sst_dsp *ctx,
-		struct skl_lib_info *linfo, int count);
+		struct skl_lib_info *linfo, int lib_count);
 	int (*parse_fw)(struct sst_dsp *ctx);
 	int (*set_state_D0)(struct sst_dsp *ctx, unsigned int core_id);
 	int (*set_state_D3)(struct sst_dsp *ctx, unsigned int core_id);
@@ -250,5 +251,9 @@ void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable);
 int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name,
 		struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp,
 		struct sst_dsp_device *skl_dev);
+int skl_prepare_lib_load(struct skl_sst *skl, struct skl_lib_info *linfo,
+			struct firmware *stripped_fw,
+			unsigned int hdr_offset, int index);
+void skl_release_library(struct skl_lib_info *linfo, int lib_count);
 
 #endif /*__SKL_SST_DSP_H__*/

sound/soc/intel/skylake/skl-sst-utils.c

@@ -398,3 +398,46 @@ int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name,
 
 	return ret;
 }
+
+int skl_prepare_lib_load(struct skl_sst *skl, struct skl_lib_info *linfo,
+		struct firmware *stripped_fw,
+		unsigned int hdr_offset, int index)
+{
+	int ret;
+	struct sst_dsp *dsp = skl->dsp;
+
+	if (linfo->fw == NULL) {
+		ret = request_firmware(&linfo->fw, linfo->name,
+					skl->dev);
+		if (ret < 0) {
+			dev_err(skl->dev, "Request lib %s failed:%d\n",
+				linfo->name, ret);
+			return ret;
+		}
+	}
+
+	if (skl->is_first_boot) {
+		ret = snd_skl_parse_uuids(dsp, linfo->fw, hdr_offset, index);
+		if (ret < 0)
+			return ret;
+	}
+
+	stripped_fw->data = linfo->fw->data;
+	stripped_fw->size = linfo->fw->size;
+	skl_dsp_strip_extended_manifest(stripped_fw);
+
+	return 0;
+}
+
+void skl_release_library(struct skl_lib_info *linfo, int lib_count)
+{
+	int i;
+
+	/* library indices start from 1 to N. 0 represents base FW */
+	for (i = 1; i < lib_count; i++) {
+		if (linfo[i].fw) {
+			release_firmware(linfo[i].fw);
+			linfo[i].fw = NULL;
+		}
+	}
+}