diff options
| -rw-r--r-- | sound/soc/intel/skylake/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-debug.c | 55 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-pcm.c | 6 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl.c | 2 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl.h | 16 |
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 */ |