| /* |
| * drivers/amlogic/atv_demod/atv_demod_debug.c |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * 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. |
| * |
| */ |
| |
| #include <linux/debugfs.h> |
| #include <linux/uaccess.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/kernel.h> |
| |
| #include "atv_demod_debug.h" |
| |
| |
| #if !defined(AML_ATVDEMOD_DEBUGFS) |
| |
| #undef u32 |
| #define u32 uint |
| |
| #undef u64 |
| #define u64 ulong |
| |
| #endif |
| |
| /* name, mode, parent, type, value */ |
| /* u32, bool, u64 type add here for debugfs */ |
| #define DEBUG_FS_CREATE_NODES(dentry)\ |
| {\ |
| DEBUGFS_CREATE_NODE(reg_23cf, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(btsc_sap_mode, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(afc_limit, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(afc_timer_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(afc_timer_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(afc_timer_delay2, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(afc_timer_delay3, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(afc_wave_cnt, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(tuner_status_cnt, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(slow_mode, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(broad_std, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_std, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_mode, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_auto, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_reinit, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_mono_only, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(over_threshold, 0640, dentry, u64)\ |
| DEBUGFS_CREATE_NODE(input_amplitude, 0640, dentry, u64)\ |
| DEBUGFS_CREATE_NODE(atvaudio_det_outputmode_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(audio_carrier_offset_det_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(audio_det_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(non_std_en, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_det_nonstd_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(non_std_times, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(non_check_delay_times, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atv_video_gain, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(carrier_amplif_val, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(extra_input_fil_val, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(aud_dmd_jilinTV, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(if_freq, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(if_inv, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(ademod_debug_en, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(btsc_detect_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(nicam_detect_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(a2_detect_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(signal_audmode, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_thd_threshold1, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(gde_curve, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(sound_format, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(freq_hz_cvrt, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_debug_en, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_agc_pinmux, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_afc_range, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_afc_offset, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_timer_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(atvdemod_timer_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_timer_delay2, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(atvdemod_mixer_tune_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(atvdemod_overmodulated_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(atv_audio_overmodulated_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(audio_thd_en, 0640, dentry, bool)\ |
| DEBUGFS_CREATE_NODE(pwm_kp, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_gain_val, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_a2_threshold, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_a2_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_nicam_delay, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_a2_auto, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_a2_power_threshold, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_a2_carrier_report, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_gain_shift, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_gain_lpr, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_atv_ov, 0640, dentry, u32)\ |
| DEBUGFS_CREATE_NODE(audio_atv_ov_flag, 0640, dentry, u32)\ |
| } |
| |
| |
| /* name, mode, parent, data, fops, type */ |
| /* int type add here for debugfs */ |
| #define DEBUG_FS_CREATE_FILES(dentry, fops)\ |
| {\ |
| DEBUGFS_CREATE_FILE(non_std_thld_4c_h, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(non_std_thld_4c_l, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(non_std_thld_54_h, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(non_std_thld_54_l, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(sum1_thd_h, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(sum1_thd_l, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(sum2_thd_h, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(sum2_thd_l, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(afc_default, 0640, dentry, fops, int)\ |
| DEBUGFS_CREATE_FILE(snr_threshold, 0640, dentry, fops, int)\ |
| } |
| |
| |
| #if defined(AML_ATVDEMOD_DEBUGFS) |
| static struct dentry *debugfs_root; |
| |
| DEBUGFS_DENTRY_DEFINE(non_std_thld_4c_h); |
| DEBUGFS_DENTRY_DEFINE(non_std_thld_4c_l); |
| DEBUGFS_DENTRY_DEFINE(non_std_thld_54_h); |
| DEBUGFS_DENTRY_DEFINE(non_std_thld_54_l); |
| DEBUGFS_DENTRY_DEFINE(sum1_thd_h); |
| DEBUGFS_DENTRY_DEFINE(sum1_thd_l); |
| DEBUGFS_DENTRY_DEFINE(sum2_thd_h); |
| DEBUGFS_DENTRY_DEFINE(sum2_thd_l); |
| DEBUGFS_DENTRY_DEFINE(afc_default); |
| DEBUGFS_DENTRY_DEFINE(snr_threshold); |
| |
| struct dentry_value *debugfs_dentry[] = { |
| DEBUGFS_DENTRY_VALUE(non_std_thld_4c_h), |
| DEBUGFS_DENTRY_VALUE(non_std_thld_4c_l), |
| DEBUGFS_DENTRY_VALUE(non_std_thld_54_h), |
| DEBUGFS_DENTRY_VALUE(non_std_thld_54_l), |
| DEBUGFS_DENTRY_VALUE(sum1_thd_h), |
| DEBUGFS_DENTRY_VALUE(sum1_thd_l), |
| DEBUGFS_DENTRY_VALUE(sum2_thd_h), |
| DEBUGFS_DENTRY_VALUE(sum2_thd_l), |
| DEBUGFS_DENTRY_VALUE(afc_default), |
| DEBUGFS_DENTRY_VALUE(snr_threshold), |
| }; |
| |
| static int debugfs_open(struct inode *node, struct file *file) |
| { |
| return 0; |
| } |
| |
| static ssize_t debugfs_read(struct file *file, char __user *userbuf, |
| size_t count, loff_t *ppos) |
| { |
| struct dentry *dent = file->f_path.dentry; |
| int *val = NULL; |
| int i = 0; |
| char buf[20] = { 0 }; |
| int len = ARRAY_SIZE(debugfs_dentry); |
| |
| for (i = 0; i < len; ++i) { |
| if (debugfs_dentry[i]->dentry == dent) { |
| val = debugfs_dentry[i]->value; |
| break; |
| } |
| } |
| |
| if (val == NULL) |
| return -EINVAL; |
| |
| len = snprintf(buf, sizeof(buf), "%d\n", *val); |
| |
| return simple_read_from_buffer(userbuf, count, ppos, buf, len); |
| } |
| |
| static ssize_t debugfs_write(struct file *file, const char __user *userbuf, |
| size_t count, loff_t *ppos) |
| { |
| struct dentry *dent = file->f_path.dentry; |
| int val = 0; |
| int i = 0; |
| char buf[20] = { 0 }; |
| int len = ARRAY_SIZE(debugfs_dentry); |
| |
| memset(buf, 0, sizeof(buf)); |
| count = min_t(size_t, count, (sizeof(buf) - 1)); |
| if (copy_from_user(buf, userbuf, count)) |
| return -EFAULT; |
| |
| /*i = sscanf(buf, "%d", &val);*/ |
| i = kstrtoint(buf, 0, &val); |
| if (i == 0) { |
| for (i = 0; i < len; ++i) { |
| if (debugfs_dentry[i]->dentry == dent) { |
| *(debugfs_dentry[i]->value) = val; |
| break; |
| } |
| } |
| } else |
| return -EINVAL; |
| |
| return count; |
| } |
| |
| static const struct file_operations dfs_fops = { |
| .open = debugfs_open, |
| .read = debugfs_read, |
| .write = debugfs_write, |
| }; |
| #else |
| DEBUG_FS_CREATE_NODES(NULL); |
| DEBUG_FS_CREATE_FILES(NULL, NULL); |
| #endif |
| |
| int aml_atvdemod_create_debugfs(const char *name) |
| { |
| #if defined(AML_ATVDEMOD_DEBUGFS) |
| debugfs_root = debugfs_create_dir(name, NULL); |
| |
| if (IS_ERR(debugfs_root) || !debugfs_root) { |
| pr_warn("failed to create debugfs directory\n"); |
| debugfs_root = NULL; |
| return -1; |
| } |
| |
| DEBUG_FS_CREATE_NODES(debugfs_root); |
| DEBUG_FS_CREATE_FILES(debugfs_root, dfs_fops); |
| #endif |
| |
| return 0; |
| } |
| |
| void aml_atvdemod_remove_debugfs(void) |
| { |
| #if defined(AML_ATVDEMOD_DEBUGFS) |
| if (debugfs_root != NULL) { |
| debugfs_remove_recursive(debugfs_root); |
| debugfs_root = NULL; |
| } |
| #endif |
| } |
