mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 07:04:00 +08:00
37e59f876b
There are several left overs with my old email address. Remove their occurrences and add myself at CREDITS, to allow people to be able to reach me on my new addresses. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
552 lines
17 KiB
C
552 lines
17 KiB
C
/***********************************************************************
|
|
*
|
|
* Copyright(c) 2013 Mauro Carvalho Chehab
|
|
*
|
|
* 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, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
***********************************************************************/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/init.h>
|
|
#include <linux/debugfs.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/usb.h>
|
|
|
|
#include "dmxdev.h"
|
|
#include "dvbdev.h"
|
|
#include "dvb_demux.h"
|
|
#include "dvb_frontend.h"
|
|
|
|
#include "smscoreapi.h"
|
|
|
|
#include "smsdvb.h"
|
|
|
|
static struct dentry *smsdvb_debugfs_usb_root;
|
|
|
|
struct smsdvb_debugfs {
|
|
struct kref refcount;
|
|
spinlock_t lock;
|
|
|
|
char stats_data[PAGE_SIZE];
|
|
unsigned stats_count;
|
|
bool stats_was_read;
|
|
|
|
wait_queue_head_t stats_queue;
|
|
};
|
|
|
|
static void smsdvb_print_dvb_stats(struct smsdvb_debugfs *debug_data,
|
|
struct sms_stats *p)
|
|
{
|
|
int n = 0;
|
|
char *buf;
|
|
|
|
spin_lock(&debug_data->lock);
|
|
if (debug_data->stats_count) {
|
|
spin_unlock(&debug_data->lock);
|
|
return;
|
|
}
|
|
|
|
buf = debug_data->stats_data;
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_rf_locked = %d\n", p->is_rf_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_demod_locked = %d\n", p->is_demod_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_external_lna_on = %d\n", p->is_external_lna_on);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"SNR = %d\n", p->SNR);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"ber = %d\n", p->ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"FIB_CRC = %d\n", p->FIB_CRC);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"ts_per = %d\n", p->ts_per);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"MFER = %d\n", p->MFER);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"RSSI = %d\n", p->RSSI);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"in_band_pwr = %d\n", p->in_band_pwr);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"carrier_offset = %d\n", p->carrier_offset);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"modem_state = %d\n", p->modem_state);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"frequency = %d\n", p->frequency);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"bandwidth = %d\n", p->bandwidth);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"transmission_mode = %d\n", p->transmission_mode);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"modem_state = %d\n", p->modem_state);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"guard_interval = %d\n", p->guard_interval);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"code_rate = %d\n", p->code_rate);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"lp_code_rate = %d\n", p->lp_code_rate);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"hierarchy = %d\n", p->hierarchy);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"constellation = %d\n", p->constellation);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"burst_size = %d\n", p->burst_size);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"burst_duration = %d\n", p->burst_duration);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"burst_cycle_time = %d\n", p->burst_cycle_time);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"calc_burst_cycle_time = %d\n",
|
|
p->calc_burst_cycle_time);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_rows = %d\n", p->num_of_rows);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_padd_cols = %d\n", p->num_of_padd_cols);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_punct_cols = %d\n", p->num_of_punct_cols);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"error_ts_packets = %d\n", p->error_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"total_ts_packets = %d\n", p->total_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_valid_mpe_tlbs = %d\n", p->num_of_valid_mpe_tlbs);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_invalid_mpe_tlbs = %d\n", p->num_of_invalid_mpe_tlbs);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_corrected_mpe_tlbs = %d\n", p->num_of_corrected_mpe_tlbs);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"ber_error_count = %d\n", p->ber_error_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"ber_bit_count = %d\n", p->ber_bit_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"sms_to_host_tx_errors = %d\n", p->sms_to_host_tx_errors);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"pre_ber = %d\n", p->pre_ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"cell_id = %d\n", p->cell_id);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"dvbh_srv_ind_hp = %d\n", p->dvbh_srv_ind_hp);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"dvbh_srv_ind_lp = %d\n", p->dvbh_srv_ind_lp);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_mpe_received = %d\n", p->num_mpe_received);
|
|
|
|
debug_data->stats_count = n;
|
|
spin_unlock(&debug_data->lock);
|
|
wake_up(&debug_data->stats_queue);
|
|
}
|
|
|
|
static void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,
|
|
struct sms_isdbt_stats *p)
|
|
{
|
|
int i, n = 0;
|
|
char *buf;
|
|
|
|
spin_lock(&debug_data->lock);
|
|
if (debug_data->stats_count) {
|
|
spin_unlock(&debug_data->lock);
|
|
return;
|
|
}
|
|
|
|
buf = debug_data->stats_data;
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"statistics_type = %d\t", p->statistics_type);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"full_size = %d\n", p->full_size);
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_rf_locked = %d\t\t", p->is_rf_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_demod_locked = %d\t", p->is_demod_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_external_lna_on = %d\n", p->is_external_lna_on);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"SNR = %d dB\t\t", p->SNR);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"RSSI = %d dBm\t\t", p->RSSI);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"in_band_pwr = %d dBm\n", p->in_band_pwr);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"carrier_offset = %d\t", p->carrier_offset);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"bandwidth = %d\t\t", p->bandwidth);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"frequency = %d Hz\n", p->frequency);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"transmission_mode = %d\t", p->transmission_mode);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"modem_state = %d\t\t", p->modem_state);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"guard_interval = %d\n", p->guard_interval);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"system_type = %d\t\t", p->system_type);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"partial_reception = %d\t", p->partial_reception);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_layers = %d\n", p->num_of_layers);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"sms_to_host_tx_errors = %d\n", p->sms_to_host_tx_errors);
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (p->layer_info[i].number_of_segments < 1 ||
|
|
p->layer_info[i].number_of_segments > 13)
|
|
continue;
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\nLayer %d\n", i);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tcode_rate = %d\t",
|
|
p->layer_info[i].code_rate);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "constellation = %d\n",
|
|
p->layer_info[i].constellation);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tber = %-5d\t",
|
|
p->layer_info[i].ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tber_error_count = %-5d\t",
|
|
p->layer_info[i].ber_error_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "ber_bit_count = %-5d\n",
|
|
p->layer_info[i].ber_bit_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tpre_ber = %-5d\t",
|
|
p->layer_info[i].pre_ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tts_per = %-5d\n",
|
|
p->layer_info[i].ts_per);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\terror_ts_packets = %-5d\t",
|
|
p->layer_info[i].error_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "total_ts_packets = %-5d\t",
|
|
p->layer_info[i].total_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "ti_ldepth_i = %d\n",
|
|
p->layer_info[i].ti_ldepth_i);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"\tnumber_of_segments = %d\t",
|
|
p->layer_info[i].number_of_segments);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "tmcc_errors = %d\n",
|
|
p->layer_info[i].tmcc_errors);
|
|
}
|
|
|
|
debug_data->stats_count = n;
|
|
spin_unlock(&debug_data->lock);
|
|
wake_up(&debug_data->stats_queue);
|
|
}
|
|
|
|
static void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,
|
|
struct sms_isdbt_stats_ex *p)
|
|
{
|
|
int i, n = 0;
|
|
char *buf;
|
|
|
|
spin_lock(&debug_data->lock);
|
|
if (debug_data->stats_count) {
|
|
spin_unlock(&debug_data->lock);
|
|
return;
|
|
}
|
|
|
|
buf = debug_data->stats_data;
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"statistics_type = %d\t", p->statistics_type);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"full_size = %d\n", p->full_size);
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_rf_locked = %d\t\t", p->is_rf_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_demod_locked = %d\t", p->is_demod_locked);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"is_external_lna_on = %d\n", p->is_external_lna_on);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"SNR = %d dB\t\t", p->SNR);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"RSSI = %d dBm\t\t", p->RSSI);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"in_band_pwr = %d dBm\n", p->in_band_pwr);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"carrier_offset = %d\t", p->carrier_offset);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"bandwidth = %d\t\t", p->bandwidth);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"frequency = %d Hz\n", p->frequency);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"transmission_mode = %d\t", p->transmission_mode);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"modem_state = %d\t\t", p->modem_state);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"guard_interval = %d\n", p->guard_interval);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"system_type = %d\t\t", p->system_type);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"partial_reception = %d\t", p->partial_reception);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"num_of_layers = %d\n", p->num_of_layers);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "segment_number = %d\t",
|
|
p->segment_number);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "tune_bw = %d\n",
|
|
p->tune_bw);
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (p->layer_info[i].number_of_segments < 1 ||
|
|
p->layer_info[i].number_of_segments > 13)
|
|
continue;
|
|
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\nLayer %d\n", i);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tcode_rate = %d\t",
|
|
p->layer_info[i].code_rate);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "constellation = %d\n",
|
|
p->layer_info[i].constellation);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tber = %-5d\t",
|
|
p->layer_info[i].ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tber_error_count = %-5d\t",
|
|
p->layer_info[i].ber_error_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "ber_bit_count = %-5d\n",
|
|
p->layer_info[i].ber_bit_count);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tpre_ber = %-5d\t",
|
|
p->layer_info[i].pre_ber);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\tts_per = %-5d\n",
|
|
p->layer_info[i].ts_per);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "\terror_ts_packets = %-5d\t",
|
|
p->layer_info[i].error_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "total_ts_packets = %-5d\t",
|
|
p->layer_info[i].total_ts_packets);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "ti_ldepth_i = %d\n",
|
|
p->layer_info[i].ti_ldepth_i);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n,
|
|
"\tnumber_of_segments = %d\t",
|
|
p->layer_info[i].number_of_segments);
|
|
n += snprintf(&buf[n], PAGE_SIZE - n, "tmcc_errors = %d\n",
|
|
p->layer_info[i].tmcc_errors);
|
|
}
|
|
|
|
|
|
debug_data->stats_count = n;
|
|
spin_unlock(&debug_data->lock);
|
|
|
|
wake_up(&debug_data->stats_queue);
|
|
}
|
|
|
|
static int smsdvb_stats_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct smsdvb_client_t *client = inode->i_private;
|
|
struct smsdvb_debugfs *debug_data = client->debug_data;
|
|
|
|
kref_get(&debug_data->refcount);
|
|
|
|
spin_lock(&debug_data->lock);
|
|
debug_data->stats_count = 0;
|
|
debug_data->stats_was_read = false;
|
|
spin_unlock(&debug_data->lock);
|
|
|
|
file->private_data = debug_data;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void smsdvb_debugfs_data_release(struct kref *ref)
|
|
{
|
|
struct smsdvb_debugfs *debug_data;
|
|
|
|
debug_data = container_of(ref, struct smsdvb_debugfs, refcount);
|
|
kfree(debug_data);
|
|
}
|
|
|
|
static int smsdvb_stats_wait_read(struct smsdvb_debugfs *debug_data)
|
|
{
|
|
int rc = 1;
|
|
|
|
spin_lock(&debug_data->lock);
|
|
|
|
if (debug_data->stats_was_read)
|
|
goto exit;
|
|
|
|
rc = debug_data->stats_count;
|
|
|
|
exit:
|
|
spin_unlock(&debug_data->lock);
|
|
return rc;
|
|
}
|
|
|
|
static unsigned int smsdvb_stats_poll(struct file *file, poll_table *wait)
|
|
{
|
|
struct smsdvb_debugfs *debug_data = file->private_data;
|
|
int rc;
|
|
|
|
kref_get(&debug_data->refcount);
|
|
|
|
poll_wait(file, &debug_data->stats_queue, wait);
|
|
|
|
rc = smsdvb_stats_wait_read(debug_data);
|
|
if (rc > 0)
|
|
rc = POLLIN | POLLRDNORM;
|
|
|
|
kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static ssize_t smsdvb_stats_read(struct file *file, char __user *user_buf,
|
|
size_t nbytes, loff_t *ppos)
|
|
{
|
|
int rc = 0, len;
|
|
struct smsdvb_debugfs *debug_data = file->private_data;
|
|
|
|
kref_get(&debug_data->refcount);
|
|
|
|
if (file->f_flags & O_NONBLOCK) {
|
|
rc = smsdvb_stats_wait_read(debug_data);
|
|
if (!rc) {
|
|
rc = -EWOULDBLOCK;
|
|
goto ret;
|
|
}
|
|
} else {
|
|
rc = wait_event_interruptible(debug_data->stats_queue,
|
|
smsdvb_stats_wait_read(debug_data));
|
|
if (rc < 0)
|
|
goto ret;
|
|
}
|
|
|
|
if (debug_data->stats_was_read) {
|
|
rc = 0; /* EOF */
|
|
goto ret;
|
|
}
|
|
|
|
len = debug_data->stats_count - *ppos;
|
|
if (len >= 0)
|
|
rc = simple_read_from_buffer(user_buf, nbytes, ppos,
|
|
debug_data->stats_data, len);
|
|
else
|
|
rc = 0;
|
|
|
|
if (*ppos >= debug_data->stats_count) {
|
|
spin_lock(&debug_data->lock);
|
|
debug_data->stats_was_read = true;
|
|
spin_unlock(&debug_data->lock);
|
|
}
|
|
ret:
|
|
kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);
|
|
return rc;
|
|
}
|
|
|
|
static int smsdvb_stats_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct smsdvb_debugfs *debug_data = file->private_data;
|
|
|
|
spin_lock(&debug_data->lock);
|
|
debug_data->stats_was_read = true; /* return EOF to read() */
|
|
spin_unlock(&debug_data->lock);
|
|
wake_up_interruptible_sync(&debug_data->stats_queue);
|
|
|
|
kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);
|
|
file->private_data = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct file_operations debugfs_stats_ops = {
|
|
.open = smsdvb_stats_open,
|
|
.poll = smsdvb_stats_poll,
|
|
.read = smsdvb_stats_read,
|
|
.release = smsdvb_stats_release,
|
|
.llseek = generic_file_llseek,
|
|
};
|
|
|
|
/*
|
|
* Functions used by smsdvb, in order to create the interfaces
|
|
*/
|
|
|
|
int smsdvb_debugfs_create(struct smsdvb_client_t *client)
|
|
{
|
|
struct smscore_device_t *coredev = client->coredev;
|
|
struct dentry *d;
|
|
struct smsdvb_debugfs *debug_data;
|
|
|
|
if (!smsdvb_debugfs_usb_root || !coredev->is_usb_device)
|
|
return -ENODEV;
|
|
|
|
client->debugfs = debugfs_create_dir(coredev->devpath,
|
|
smsdvb_debugfs_usb_root);
|
|
if (IS_ERR_OR_NULL(client->debugfs)) {
|
|
pr_info("Unable to create debugfs %s directory.\n",
|
|
coredev->devpath);
|
|
return -ENODEV;
|
|
}
|
|
|
|
d = debugfs_create_file("stats", S_IRUGO | S_IWUSR, client->debugfs,
|
|
client, &debugfs_stats_ops);
|
|
if (!d) {
|
|
debugfs_remove(client->debugfs);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
debug_data = kzalloc(sizeof(*client->debug_data), GFP_KERNEL);
|
|
if (!debug_data)
|
|
return -ENOMEM;
|
|
|
|
client->debug_data = debug_data;
|
|
client->prt_dvb_stats = smsdvb_print_dvb_stats;
|
|
client->prt_isdb_stats = smsdvb_print_isdb_stats;
|
|
client->prt_isdb_stats_ex = smsdvb_print_isdb_stats_ex;
|
|
|
|
init_waitqueue_head(&debug_data->stats_queue);
|
|
spin_lock_init(&debug_data->lock);
|
|
kref_init(&debug_data->refcount);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void smsdvb_debugfs_release(struct smsdvb_client_t *client)
|
|
{
|
|
if (!client->debugfs)
|
|
return;
|
|
|
|
client->prt_dvb_stats = NULL;
|
|
client->prt_isdb_stats = NULL;
|
|
client->prt_isdb_stats_ex = NULL;
|
|
|
|
debugfs_remove_recursive(client->debugfs);
|
|
kref_put(&client->debug_data->refcount, smsdvb_debugfs_data_release);
|
|
|
|
client->debug_data = NULL;
|
|
client->debugfs = NULL;
|
|
}
|
|
|
|
int smsdvb_debugfs_register(void)
|
|
{
|
|
struct dentry *d;
|
|
|
|
/*
|
|
* FIXME: This was written to debug Siano USB devices. So, it creates
|
|
* the debugfs node under <debugfs>/usb.
|
|
* A similar logic would be needed for Siano sdio devices, but, in that
|
|
* case, usb_debug_root is not a good choice.
|
|
*
|
|
* Perhaps the right fix here would be to create another sysfs root
|
|
* node for sdio-based boards, but this may need some logic at sdio
|
|
* subsystem.
|
|
*/
|
|
d = debugfs_create_dir("smsdvb", usb_debug_root);
|
|
if (IS_ERR_OR_NULL(d)) {
|
|
sms_err("Couldn't create sysfs node for smsdvb");
|
|
return PTR_ERR(d);
|
|
} else {
|
|
smsdvb_debugfs_usb_root = d;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void smsdvb_debugfs_unregister(void)
|
|
{
|
|
debugfs_remove_recursive(smsdvb_debugfs_usb_root);
|
|
smsdvb_debugfs_usb_root = NULL;
|
|
}
|