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atv_demod: Add audio carrier offset detect [1/1]

Browse Source 
PD#TV-2564

Problem:
Torture room teset report SND0810 sound carrier deviation

Solution:
Add audio carrier offset detect

Verify:
verified by x301

Change-Id: I2d715891fb268452f95e05f998864e9b7321ff38
Signed-off-by: nengwen.chen <nengwen.chen@amlogic.com>
This commit is contained in:
nengwen.chen
2019-02-25 10:10:27 +08:00
committed by Jianxin Pan
parent 2a95ff7fcd
commit 7068b634a1
4 changed files with 43 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/amlogic/atv_demod/atv_demod_debug.c
View File

@@ -57,6 +57,7 @@
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)\

4
drivers/amlogic/atv_demod/atv_demod_monitor.c
View File

@@ -34,6 +34,7 @@ bool atvdemod_det_snr_en = true;
bool audio_thd_en = true;
bool atvdemod_det_nonstd_en;
bool atvaudio_det_outputmode_en = true;
bool audio_carrier_offset_det_en;
unsigned int atvdemod_timer_delay = 100; /* 1s */
unsigned int atvdemod_timer_delay2 = 10; /* 100ms */
@@ -70,6 +71,9 @@ static void atv_demod_monitor_do_work(struct work_struct *work)
if (atvaudio_det_outputmode_en)
atvauddemod_set_outputmode();
if (audio_carrier_offset_det_en)
audio_carrier_offset_det();
if (atvdemod_det_nonstd_en)
atv_dmd_non_std_set(true);
}

38
drivers/amlogic/atv_demod/atvauddemod_func.c
View File

@@ -60,7 +60,12 @@ static int last_mode = -1;
#undef pr_info
#define pr_info(args...)\
do {\
if (ademod_debug_en)\
if (ademod_debug_en & 0x1)\
printk(args);\
} while (0)
#define pr_carr(args...)\
do {\
if (ademod_debug_en & 0x2)\
printk(args);\
} while (0)
#undef pr_dbg
@@ -1469,6 +1474,37 @@ void audio_thd_det(void)
}
}
void audio_carrier_offset_det(void)
{
unsigned int carrier_freq = 0, report = 0;
int threshold = 0;
report = adec_rd_reg(DC_REPORT);
carrier_freq = adec_rd_reg(ADDR_DDC_FREQ0);
pr_carr("\n\nreport: 0x%x.\n", report);
pr_carr("read carrier_freq: 0x%x.\n", carrier_freq);
report = report & 0xFFFF;
if (report > (1 << 15))
threshold = report - (1 << 16);
else
threshold = report;
threshold = threshold >> 8;
pr_carr("threshold: %d.\n", threshold);
if (threshold > 30) {
carrier_freq = carrier_freq - 0x100;
adec_wr_reg(ADDR_DDC_FREQ0, carrier_freq);
} else if (threshold < -30) {
carrier_freq = carrier_freq + 0x100;
adec_wr_reg(ADDR_DDC_FREQ0, carrier_freq);
}
pr_carr("write carrier_freq: 0x%x.\n", carrier_freq);
}
void set_outputmode_status_init(void)
{
last_nicam_lock = -1;

1
drivers/amlogic/atv_demod/atvauddemod_func.h
View File

@@ -32,6 +32,7 @@ void configure_adec(int Audio_mode);
void adec_soft_reset(void);
void audio_thd_init(void);
void audio_thd_det(void);
void audio_carrier_offset_det(void);
void set_nicam_outputmode(uint32_t outmode);
void set_a2_eiaj_outputmode(uint32_t outmode);
void set_btsc_outputmode(uint32_t outmode);