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lcd: add tcon_status debug interface [1/1]

Browse Source 
PD#TV-11404

Problem:
need tcon_status debug interface

Solution:
add tcon_status debug interface

Verify:
x301

Change-Id: If6bd857b52138faef61dc4ecef3b846af315176e
Signed-off-by: shaochan.liu <shaochan.liu@amlogic.com>
This commit is contained in:
shaochan.liu
2019-10-23 21:01:26 +08:00
committed by Tao Zeng
parent 7e6c87cc94
commit 4e00cc84f2
3 changed files with 26 additions and 0 deletions
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12
drivers/amlogic/media/vout/lcd/lcd_debug.c
View File

@@ -3545,6 +3545,14 @@ static ssize_t lcd_tcon_debug_show(struct class *class,
return sprintf(buf, "%s\n", lcd_debug_tcon_usage_str);
}
static ssize_t lcd_tcon_status_show(struct class *class,
struct class_attribute *attr, char *buf)
{
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
return sprintf(buf, "%d\n", lcd_drv->tcon_status);
}
static ssize_t lcd_ttl_debug_store(struct class *class,
struct class_attribute *attr, const char *buf, size_t count)
{
@@ -4573,6 +4581,8 @@ static struct class_attribute lcd_debug_class_attrs_mlvds[] = {
lcd_phy_debug_show, lcd_phy_debug_store),
__ATTR(tcon, 0644,
lcd_tcon_debug_show, lcd_tcon_debug_store),
__ATTR(tcon_status, 0644,
lcd_tcon_status_show, NULL),
__ATTR(null, 0644, NULL, NULL),
};
@@ -4583,6 +4593,8 @@ static struct class_attribute lcd_debug_class_attrs_p2p[] = {
lcd_phy_debug_show, lcd_phy_debug_store),
__ATTR(tcon, 0644,
lcd_tcon_debug_show, lcd_tcon_debug_store),
__ATTR(tcon_status, 0644,
lcd_tcon_status_show, NULL),
__ATTR(null, 0644, NULL, NULL),
};

12
drivers/amlogic/media/vout/lcd/lcd_tcon.c
View File

@@ -261,6 +261,7 @@ static void lcd_tcon_chpi_bbc_init_tl1(int delay)
static int lcd_tcon_enable_tl1(struct lcd_config_s *pconf)
{
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
unsigned int n = 10;
int ret;
@@ -283,6 +284,11 @@ static int lcd_tcon_enable_tl1(struct lcd_config_s *pconf)
}
}
if (lcd_tcon_getb_byte(0x23d, 0, 1))
lcd_drv->tcon_status = 3;
else
lcd_drv->tcon_status = 0;
/* step 3: tcon_top_output_set */
lcd_tcon_write(TCON_OUT_CH_SEL0, 0x76543210);
lcd_tcon_write(TCON_OUT_CH_SEL1, 0xba98);
@@ -740,7 +746,13 @@ int lcd_tcon_probe(struct aml_lcd_drv_s *lcd_drv)
}
if (lcd_tcon_data == NULL)
return 0;
if (lcd_tcon_data->tcon_valid == 0)
return 0;
if (lcd_tcon_getb_byte(0x23d, 0, 1))
lcd_drv->tcon_status = 3;
else
lcd_drv->tcon_status = 0;
/* init reserved memory */
ret = of_reserved_mem_device_init(lcd_drv->dev);
if (ret) {

2
include/linux/amlogic/media/vout/lcd/lcd_vout.h
View File

@@ -503,6 +503,8 @@ struct aml_lcd_drv_s {
int fr_mode;
struct lcd_duration_s std_duration;
int tcon_status;
void (*driver_init_pre)(void);
void (*driver_disable_post)(void);
int (*driver_init)(void);