From: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
To: broonie@kernel.org
Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com,
lgirdwood@gmail.com, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/2] ASoC: wm_adsp: Add basic debugfs entries
Date: Tue, 9 Jun 2015 16:16:57 +0100 [thread overview]
Message-ID: <1433863017-25349-2-git-send-email-rf@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1433863017-25349-1-git-send-email-rf@opensource.wolfsonmicro.com>
This patch adds some debugfs nodes to get information
about the currently running firmware.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm_adsp.c | 195 +++++++++++++++++++++++++++++++++++++++++++-
sound/soc/codecs/wm_adsp.h | 11 ++-
2 files changed, 202 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 490edb3..045483a 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
+#include <linux/debugfs.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -243,6 +244,175 @@ struct wm_coeff_ctl {
unsigned int flags;
};
+#ifdef CONFIG_DEBUG_FS
+static void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp, const char *s)
+{
+ char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
+
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->wmfw_file_name);
+ dsp->wmfw_file_name = tmp;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp, const char *s)
+{
+ char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
+
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->bin_file_name);
+ dsp->bin_file_name = tmp;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
+{
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->wmfw_file_name);
+ kfree(dsp->bin_file_name);
+ dsp->wmfw_file_name = NULL;
+ dsp->bin_file_name = NULL;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static ssize_t wm_adsp_debugfs_wmfw_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wm_adsp *dsp = file->private_data;
+ ssize_t ret;
+
+ mutex_lock(&dsp->debugfs_lock);
+
+ if (!dsp->wmfw_file_name || !dsp->running)
+ ret = 0;
+ else
+ ret = simple_read_from_buffer(user_buf, count, ppos,
+ dsp->wmfw_file_name,
+ strlen(dsp->wmfw_file_name));
+
+ mutex_unlock(&dsp->debugfs_lock);
+ return ret;
+}
+
+static ssize_t wm_adsp_debugfs_bin_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wm_adsp *dsp = file->private_data;
+ ssize_t ret;
+
+ mutex_lock(&dsp->debugfs_lock);
+
+ if (!dsp->bin_file_name || !dsp->running)
+ ret = 0;
+ else
+ ret = simple_read_from_buffer(user_buf, count, ppos,
+ dsp->bin_file_name,
+ strlen(dsp->bin_file_name));
+
+ mutex_unlock(&dsp->debugfs_lock);
+ return ret;
+}
+
+static const struct {
+ const char *name;
+ const struct file_operations fops;
+} wm_adsp_debugfs_fops[] = {
+ {
+ .name = "wmfw_file_name",
+ .fops = {
+ .open = simple_open,
+ .read = wm_adsp_debugfs_wmfw_read,
+ },
+ },
+ {
+ .name = "bin_file_name",
+ .fops = {
+ .open = simple_open,
+ .read = wm_adsp_debugfs_bin_read,
+ },
+ },
+};
+
+static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
+ struct snd_soc_codec *codec)
+{
+ struct dentry *root = NULL;
+ char *root_name;
+ int i;
+
+ if (!codec->component.debugfs_root) {
+ adsp_err(dsp, "No codec debugfs root\n");
+ goto err;
+ }
+
+ root_name = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!root_name)
+ goto err;
+
+ snprintf(root_name, PAGE_SIZE, "dsp%d", dsp->num);
+ root = debugfs_create_dir(root_name, codec->component.debugfs_root);
+ kfree(root_name);
+
+ if (!root)
+ goto err;
+
+ if (!debugfs_create_bool("running", S_IRUGO, root, &dsp->running))
+ goto err;
+
+ if (!debugfs_create_x32("fw_id", S_IRUGO, root, &dsp->fw_id))
+ goto err;
+
+ if (!debugfs_create_x32("fw_version", S_IRUGO, root,
+ &dsp->fw_id_version))
+ goto err;
+
+ for (i = 0; i < ARRAY_SIZE(wm_adsp_debugfs_fops); ++i) {
+ if (!debugfs_create_file(wm_adsp_debugfs_fops[i].name,
+ S_IRUGO, root, dsp,
+ &wm_adsp_debugfs_fops[i].fops))
+ goto err;
+ }
+
+ dsp->debugfs_root = root;
+ return;
+
+err:
+ debugfs_remove_recursive(root);
+ adsp_err(dsp, "Failed to create debugfs\n");
+}
+
+static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
+{
+ wm_adsp_debugfs_clear(dsp);
+ debugfs_remove_recursive(dsp->debugfs_root);
+}
+#else
+static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
+ struct snd_soc_codec *codec)
+{
+}
+
+static inline void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
+{
+}
+
+static inline void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp,
+ const char *s)
+{
+}
+
+static inline void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp,
+ const char *s)
+{
+}
+
+static inline void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
+{
+}
+#endif
+
static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -1104,6 +1274,8 @@ static int wm_adsp_load(struct wm_adsp *dsp)
adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
file, regions, pos - firmware->size);
+ wm_adsp_debugfs_save_wmfwname(dsp, file);
+
out_fw:
regmap_async_complete(regmap);
wm_adsp_buf_free(&buf_list);
@@ -1321,11 +1493,12 @@ static int wm_adsp2_setup_algs(struct wm_adsp *dsp)
n_algs = be32_to_cpu(adsp2_id.n_algs);
dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
+ dsp->fw_id_version = be32_to_cpu(adsp2_id.fw.ver);
adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
dsp->fw_id,
- (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
- (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
- be32_to_cpu(adsp2_id.fw.ver) & 0xff,
+ (dsp->fw_id_version & 0xff0000) >> 16,
+ (dsp->fw_id_version & 0xff00) >> 8,
+ dsp->fw_id_version & 0xff,
n_algs);
alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
@@ -1601,6 +1774,8 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
file, blocks, pos - firmware->size);
+ wm_adsp_debugfs_save_binname(dsp, file);
+
out_fw:
regmap_async_complete(regmap);
release_firmware(firmware);
@@ -1614,6 +1789,9 @@ int wm_adsp1_init(struct wm_adsp *dsp)
{
INIT_LIST_HEAD(&dsp->alg_regions);
+#ifdef CONFIG_DEBUG_FS
+ mutex_init(&dsp->debugfs_lock);
+#endif
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp1_init);
@@ -1869,6 +2047,10 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_PRE_PMD:
+ wm_adsp_debugfs_clear(dsp);
+
+ dsp->fw_id = 0;
+ dsp->fw_id_version = 0;
dsp->running = false;
regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
@@ -1908,12 +2090,16 @@ EXPORT_SYMBOL_GPL(wm_adsp2_event);
int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
+ wm_adsp2_init_debugfs(dsp, codec);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_codec_probe);
int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
+ wm_adsp2_cleanup_debugfs(dsp);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_codec_remove);
@@ -1937,6 +2123,9 @@ int wm_adsp2_init(struct wm_adsp *dsp)
INIT_LIST_HEAD(&dsp->ctl_list);
INIT_WORK(&dsp->boot_work, wm_adsp2_boot_work);
+#ifdef CONFIG_DEBUG_FS
+ mutex_init(&dsp->debugfs_lock);
+#endif
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_init);
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 5584e34..e018148 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -46,17 +46,26 @@ struct wm_adsp {
struct list_head alg_regions;
int fw_id;
+ int fw_id_version;
const struct wm_adsp_region *mem;
int num_mems;
int fw;
int fw_ver;
- bool running;
+ u32 running;
struct list_head ctl_list;
struct work_struct boot_work;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_root;
+ struct mutex debugfs_lock;
+ char *wmfw_file_name;
+ char *bin_file_name;
+#endif
+
};
#define WM_ADSP1(wname, num) \
--
1.7.2.5
WARNING: multiple messages have this Message-ID (diff)
From: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
To: broonie@kernel.org
Cc: lgirdwood@gmail.com, patches@opensource.wolfsonmicro.com,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/2] ASoC: wm_adsp: Add basic debugfs entries
Date: Tue, 9 Jun 2015 16:16:57 +0100 [thread overview]
Message-ID: <1433863017-25349-2-git-send-email-rf@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1433863017-25349-1-git-send-email-rf@opensource.wolfsonmicro.com>
This patch adds some debugfs nodes to get information
about the currently running firmware.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm_adsp.c | 195 +++++++++++++++++++++++++++++++++++++++++++-
sound/soc/codecs/wm_adsp.h | 11 ++-
2 files changed, 202 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 490edb3..045483a 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
+#include <linux/debugfs.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -243,6 +244,175 @@ struct wm_coeff_ctl {
unsigned int flags;
};
+#ifdef CONFIG_DEBUG_FS
+static void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp, const char *s)
+{
+ char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
+
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->wmfw_file_name);
+ dsp->wmfw_file_name = tmp;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp, const char *s)
+{
+ char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
+
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->bin_file_name);
+ dsp->bin_file_name = tmp;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
+{
+ mutex_lock(&dsp->debugfs_lock);
+ kfree(dsp->wmfw_file_name);
+ kfree(dsp->bin_file_name);
+ dsp->wmfw_file_name = NULL;
+ dsp->bin_file_name = NULL;
+ mutex_unlock(&dsp->debugfs_lock);
+}
+
+static ssize_t wm_adsp_debugfs_wmfw_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wm_adsp *dsp = file->private_data;
+ ssize_t ret;
+
+ mutex_lock(&dsp->debugfs_lock);
+
+ if (!dsp->wmfw_file_name || !dsp->running)
+ ret = 0;
+ else
+ ret = simple_read_from_buffer(user_buf, count, ppos,
+ dsp->wmfw_file_name,
+ strlen(dsp->wmfw_file_name));
+
+ mutex_unlock(&dsp->debugfs_lock);
+ return ret;
+}
+
+static ssize_t wm_adsp_debugfs_bin_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wm_adsp *dsp = file->private_data;
+ ssize_t ret;
+
+ mutex_lock(&dsp->debugfs_lock);
+
+ if (!dsp->bin_file_name || !dsp->running)
+ ret = 0;
+ else
+ ret = simple_read_from_buffer(user_buf, count, ppos,
+ dsp->bin_file_name,
+ strlen(dsp->bin_file_name));
+
+ mutex_unlock(&dsp->debugfs_lock);
+ return ret;
+}
+
+static const struct {
+ const char *name;
+ const struct file_operations fops;
+} wm_adsp_debugfs_fops[] = {
+ {
+ .name = "wmfw_file_name",
+ .fops = {
+ .open = simple_open,
+ .read = wm_adsp_debugfs_wmfw_read,
+ },
+ },
+ {
+ .name = "bin_file_name",
+ .fops = {
+ .open = simple_open,
+ .read = wm_adsp_debugfs_bin_read,
+ },
+ },
+};
+
+static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
+ struct snd_soc_codec *codec)
+{
+ struct dentry *root = NULL;
+ char *root_name;
+ int i;
+
+ if (!codec->component.debugfs_root) {
+ adsp_err(dsp, "No codec debugfs root\n");
+ goto err;
+ }
+
+ root_name = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!root_name)
+ goto err;
+
+ snprintf(root_name, PAGE_SIZE, "dsp%d", dsp->num);
+ root = debugfs_create_dir(root_name, codec->component.debugfs_root);
+ kfree(root_name);
+
+ if (!root)
+ goto err;
+
+ if (!debugfs_create_bool("running", S_IRUGO, root, &dsp->running))
+ goto err;
+
+ if (!debugfs_create_x32("fw_id", S_IRUGO, root, &dsp->fw_id))
+ goto err;
+
+ if (!debugfs_create_x32("fw_version", S_IRUGO, root,
+ &dsp->fw_id_version))
+ goto err;
+
+ for (i = 0; i < ARRAY_SIZE(wm_adsp_debugfs_fops); ++i) {
+ if (!debugfs_create_file(wm_adsp_debugfs_fops[i].name,
+ S_IRUGO, root, dsp,
+ &wm_adsp_debugfs_fops[i].fops))
+ goto err;
+ }
+
+ dsp->debugfs_root = root;
+ return;
+
+err:
+ debugfs_remove_recursive(root);
+ adsp_err(dsp, "Failed to create debugfs\n");
+}
+
+static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
+{
+ wm_adsp_debugfs_clear(dsp);
+ debugfs_remove_recursive(dsp->debugfs_root);
+}
+#else
+static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
+ struct snd_soc_codec *codec)
+{
+}
+
+static inline void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
+{
+}
+
+static inline void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp,
+ const char *s)
+{
+}
+
+static inline void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp,
+ const char *s)
+{
+}
+
+static inline void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
+{
+}
+#endif
+
static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -1104,6 +1274,8 @@ static int wm_adsp_load(struct wm_adsp *dsp)
adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
file, regions, pos - firmware->size);
+ wm_adsp_debugfs_save_wmfwname(dsp, file);
+
out_fw:
regmap_async_complete(regmap);
wm_adsp_buf_free(&buf_list);
@@ -1321,11 +1493,12 @@ static int wm_adsp2_setup_algs(struct wm_adsp *dsp)
n_algs = be32_to_cpu(adsp2_id.n_algs);
dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
+ dsp->fw_id_version = be32_to_cpu(adsp2_id.fw.ver);
adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
dsp->fw_id,
- (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
- (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
- be32_to_cpu(adsp2_id.fw.ver) & 0xff,
+ (dsp->fw_id_version & 0xff0000) >> 16,
+ (dsp->fw_id_version & 0xff00) >> 8,
+ dsp->fw_id_version & 0xff,
n_algs);
alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
@@ -1601,6 +1774,8 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
file, blocks, pos - firmware->size);
+ wm_adsp_debugfs_save_binname(dsp, file);
+
out_fw:
regmap_async_complete(regmap);
release_firmware(firmware);
@@ -1614,6 +1789,9 @@ int wm_adsp1_init(struct wm_adsp *dsp)
{
INIT_LIST_HEAD(&dsp->alg_regions);
+#ifdef CONFIG_DEBUG_FS
+ mutex_init(&dsp->debugfs_lock);
+#endif
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp1_init);
@@ -1869,6 +2047,10 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_PRE_PMD:
+ wm_adsp_debugfs_clear(dsp);
+
+ dsp->fw_id = 0;
+ dsp->fw_id_version = 0;
dsp->running = false;
regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
@@ -1908,12 +2090,16 @@ EXPORT_SYMBOL_GPL(wm_adsp2_event);
int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
+ wm_adsp2_init_debugfs(dsp, codec);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_codec_probe);
int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
+ wm_adsp2_cleanup_debugfs(dsp);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_codec_remove);
@@ -1937,6 +2123,9 @@ int wm_adsp2_init(struct wm_adsp *dsp)
INIT_LIST_HEAD(&dsp->ctl_list);
INIT_WORK(&dsp->boot_work, wm_adsp2_boot_work);
+#ifdef CONFIG_DEBUG_FS
+ mutex_init(&dsp->debugfs_lock);
+#endif
return 0;
}
EXPORT_SYMBOL_GPL(wm_adsp2_init);
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 5584e34..e018148 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -46,17 +46,26 @@ struct wm_adsp {
struct list_head alg_regions;
int fw_id;
+ int fw_id_version;
const struct wm_adsp_region *mem;
int num_mems;
int fw;
int fw_ver;
- bool running;
+ u32 running;
struct list_head ctl_list;
struct work_struct boot_work;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_root;
+ struct mutex debugfs_lock;
+ char *wmfw_file_name;
+ char *bin_file_name;
+#endif
+
};
#define WM_ADSP1(wname, num) \
--
1.7.2.5
next prev parent reply other threads:[~2015-06-09 15:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-09 15:16 [PATCH v2 1/2] ASoC: wm_adsp: Add code_probe and codec_remove stubs Richard Fitzgerald
2015-06-09 15:16 ` Richard Fitzgerald [this message]
2015-06-09 15:16 ` [PATCH v2 2/2] ASoC: wm_adsp: Add basic debugfs entries Richard Fitzgerald
2015-06-09 16:00 ` [PATCH v2 1/2] ASoC: wm_adsp: Add code_probe and codec_remove stubs Mark Brown
2015-06-09 16:00 ` Mark Brown
2015-06-09 16:13 ` Richard Fitzgerald
2015-06-09 16:20 ` Mark Brown
2015-06-09 16:43 ` Richard Fitzgerald
2015-06-09 16:43 ` Richard Fitzgerald
2015-06-09 16:55 ` Mark Brown
2015-06-09 16:55 ` Mark Brown
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