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-rw-r--r--sound/soc/intel/skylake/Makefile4
-rw-r--r--sound/soc/intel/skylake/skl-debug.c55
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c6
-rw-r--r--sound/soc/intel/skylake/skl.c2
-rw-r--r--sound/soc/intel/skylake/skl.h16
5 files changed, 82 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/Makefile b/sound/soc/intel/skylake/Makefile
index 60fbc9bbe473..e7d77722d560 100644
--- a/sound/soc/intel/skylake/Makefile
+++ b/sound/soc/intel/skylake/Makefile
@@ -1,6 +1,10 @@
snd-soc-skl-objs := skl.o skl-pcm.o skl-nhlt.o skl-messages.o \
skl-topology.o
+ifdef CONFIG_DEBUG_FS
+ snd-soc-skl-objs += skl-debug.o
+endif
+
obj-$(CONFIG_SND_SOC_INTEL_SKYLAKE) += snd-soc-skl.o
# Skylake IPC Support
diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c
new file mode 100644
index 000000000000..6bc4565773c5
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-debug.c
@@ -0,0 +1,55 @@
+/*
+ * skl-debug.c - Debugfs for skl driver
+ *
+ * Copyright (C) 2016-17 Intel Corp
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/pci.h>
+#include <linux/debugfs.h>
+#include "skl.h"
+
+struct skl_debug {
+ struct skl *skl;
+ struct device *dev;
+
+ struct dentry *fs;
+};
+
+struct skl_debug *skl_debugfs_init(struct skl *skl)
+{
+ struct skl_debug *d;
+
+ d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
+ if (!d)
+ return NULL;
+
+ /* create the debugfs dir with platform component's debugfs as parent */
+ d->fs = debugfs_create_dir("dsp",
+ skl->platform->component.debugfs_root);
+ if (IS_ERR(d->fs) || !d->fs) {
+ dev_err(&skl->pci->dev, "debugfs root creation failed\n");
+ return NULL;
+ }
+
+ d->skl = skl;
+ d->dev = &skl->pci->dev;
+
+ return d;
+}
+
+void skl_debugfs_exit(struct skl_debug *d)
+{
+ debugfs_remove_recursive(d->fs);
+
+ kfree(d);
+
+}
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index e91bbcffc856..0ebea34a4988 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1249,12 +1249,16 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
pm_runtime_get_sync(platform->dev);
if ((ebus_to_hbus(ebus))->ppcap) {
+ skl->platform = platform;
+
+ /* init debugfs */
+ skl->debugfs = skl_debugfs_init(skl);
+
ret = skl_tplg_init(platform, ebus);
if (ret < 0) {
dev_err(platform->dev, "Failed to init topology!\n");
return ret;
}
- skl->platform = platform;
/* load the firmwares, since all is set */
ops = skl_get_dsp_ops(skl->pci->device);
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index e761550c6dad..410ce83f4a49 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -866,6 +866,8 @@ static void skl_remove(struct pci_dev *pci)
/* codec removal, invoke bus_device_remove */
snd_hdac_ext_bus_device_remove(ebus);
+ skl_debugfs_exit(skl->debugfs);
+ skl->debugfs = NULL;
skl_platform_unregister(&pci->dev);
skl_free_dsp(skl);
skl_machine_device_unregister(skl);
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index 2a630fcb7f08..a47779c819d5 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -42,6 +42,8 @@ struct skl_dsp_resource {
u32 mem;
};
+struct skl_debug;
+
struct skl {
struct hdac_ext_bus ebus;
struct pci_dev *pci;
@@ -66,6 +68,8 @@ struct skl {
int supend_active;
struct work_struct probe_work;
+
+ struct skl_debug *debugfs;
};
#define skl_to_ebus(s) (&(s)->ebus)
@@ -116,4 +120,16 @@ void skl_update_d0i3c(struct device *dev, bool enable);
int skl_nhlt_create_sysfs(struct skl *skl);
void skl_nhlt_remove_sysfs(struct skl *skl);
+#ifdef CONFIG_DEBUG_FS
+struct skl_debug *skl_debugfs_init(struct skl *skl);
+void skl_debugfs_exit(struct skl_debug *d);
+#else
+static inline struct skl_debug *skl_debugfs_init(struct skl *skl)
+{
+ return NULL;
+}
+static inline void skl_debugfs_exit(struct skl_debug *d)
+{}
+#endif
+
#endif /* __SOUND_SOC_SKL_H */