shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 20:32:04 +09:00
Code Issues Packages Projects Releases Wiki Activity

backlight: ldim: add analog pwm support [1/1]

Browse Source 
PD#SWPL-3702

Problem:
local dimming need analog pwm function

Solution:
add analog pwm support

Verify:
x301

Change-Id: I502bb7505947c1f3670f44d0d307f9546f1d57fd
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>

Conflicts:
	arch/arm/boot/dts/amlogic/mesontl1_t309-panel.dtsi
	arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi
	arch/arm/boot/dts/amlogic/mesontxlx_r311-panel.dtsi
	arch/arm64/boot/dts/amlogic/mesontl1_t309-panel.dtsi
	arch/arm64/boot/dts/amlogic/mesontl1_x301-panel.dtsi
	drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
	drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h
	include/linux/amlogic/media/vout/lcd/aml_ldim.h
This commit is contained in:
Evoke Zhang
2019-01-03 06:40:26 -05:00
committed by Dongjin Kim
parent 2f1f394941
commit 199e697b7f
11 changed files with 497 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

165
arch/arm/boot/dts/amlogic/mesontl1_x301-panel.dtsi
View File

@@ -653,6 +653,64 @@
2 0 /*pwm1 gpio_index, gpio_off*/
10 10>; /*pwm_on_delay(ms), pwm_off_delay(ms)*/
};
backlight_3{
index = <3>;
bl_name = "pwm_combo_ldim_test";
bl_level_default_uboot_kernel = <31 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <2>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0 /*en_gpio_index*/
1 0 /*on_value, off_value*/
410 110>; /*on_delay(ms), off_delay(ms)*/
bl_pwm_combo_level_mapping = <255 10 /*pwm_0 range*/
0 0>; /*pwm_1 range*/
bl_pwm_combo_port = "PWM_C","PWM_D";
bl_pwm_combo_attr = <1 /*pwm0 method*/
180 /*pwm0 freq(pwm:Hz, pwm_vs:multiple of vs)*/
100 25 /*pwm0 duty_max(%), duty_min(%)*/
1 /*pwm1 method*/
18000 /*pwm1 freq(pwm:Hz, pwm_vs:multi of vs)*/
80 80>; /*pwm1 duty_max(%), duty_min(%)*/
bl_pwm_combo_power = <1 0 /*pwm0 gpio_index, gpio_off*/
2 0 /*pwm1 gpio_index, gpio_off*/
10 10>; /*pwm_on_delay(ms), pwm_off_delay(ms)*/
bl_ldim_region_row_col = <2 10>;
};
backlight_4{
index = <4>;
bl_name = "ldim_global";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0xff /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /*on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 1>;
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <1>;
};
backlight_5{
index = <5>;
bl_name = "ldim_iw7027";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0 /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /*on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 10>;
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <2>;
};
};
bl_pwm_conf:bl_pwm_conf{
@@ -666,4 +724,111 @@
};
};
local_dimming_device {
compatible = "amlogic, ldim_dev";
status = "okay";
pinctrl-names = "ldim_pwm",
"ldim_pwm_vs",
"ldim_pwm_combo",
"ldim_pwm_vs_combo",
"ldim_pwm_off",
"ldim_pwm_combo_off";
pinctrl-0 = <&pwm_c_pins3>;
pinctrl-1 = <&bl_pwm_vs_on_pins>;
pinctrl-2 = <&pwm_c_pins3 &pwm_d_pins2>;
pinctrl-3 = <&bl_pwm_vs_on_pins &pwm_d_pins2>;
pinctrl-4 = <&bl_pwm_off_pins>;
pinctrl-5 = <&bl_pwm_combo_off_pins>;
pinctrl_version = <1>; /* for uboot */
ldim_pwm_config = <&bl_pwm_conf>;
/* pwm port: PWM_A, PWM_B, PWM_C, PWM_D, PWM_E, PWM_F, PWM_VS*/
ldim_dev-gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH
&gpio GPIOZ_5 GPIO_ACTIVE_HIGH
&gpio GPIOZ_6 GPIO_ACTIVE_HIGH>;
ldim_dev_gpio_names = "GPIOAO_11","GPIOZ_5","GPIOZ_6";
ldim_dev_0 {
index = <0>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "ob3350";
ldim_pwm_port = "PWM_C";
ldim_pwm_attr = <0 /* pol */
200 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*default duty(%)*/
en_gpio_on_off = <0 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_1 {
index = <1>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "global";
ldim_pwm_port = "PWM_C";
ldim_pwm_attr = <1 /* pol */
180 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*default duty(%)*/
analog_pwm_port = "PWM_D";
analog_pwm_attr = <1 /*pol(0=negative, 1=positvie)*/
18000 /*freq(pwm:Hz)*/
100 25 /*duty_max(%), duty_min(%)*/
80>; /*default duty(%)*/
en_gpio_on_off = <0 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_2 {
index = <2>;
type = <1>; /* 0=normal,1=spi,2=i2c */
ldim_dev_name = "iw7027";
ldim_pwm_port = "PWM_VS";
ldim_pwm_attr = <1 /* pol */
2 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*default duty(%)*/
spi_bus_num = <0>;
spi_chip_select = <0>;
spi_max_frequency = <1000000>; /* unit: hz */
spi_mode = <0>; /* mode: 0, 1, 2, 3 */
spi_cs_delay = <10 /* hold_high_delay */
100>; /* clk_cs_delay (unit: us) */
en_gpio_on_off = <0 /* ldim_dev-gpios index */
1 /* on_level */
0>; /* off_level */
lamp_err_gpio = <0xff>;
/* ldim_dev-gpios index, 0xff=invalid */
spi_write_check = <0>; /* 0=disable, 1=enable */
dim_max_min = <0xfff 0x7f>; /* dim_max, dim_min */
ldim_region_mapping = <0 1 2 3 4 5 6 7 8 9>;
cmd_size = <0xff>;
/* init: (type, data...) */
/* type: 0x00=cmd with delay,
* 0xc0=cmd,
* 0xfd=delay,
* 0xff=ending
*/
/* data: spi data, fill 0x0 for no use */
/* delay: unit ms */
init_on = <
0xc0 2 0x23 0x03
0xc0 2 0x24 0xff
0xc0 2 0x25 0x00
0xc0 2 0x26 0x00
0xc0 2 0x27 0x60
0xc0 2 0x29 0x00
0xc0 2 0x2a 0x00
0xc0 2 0x2b 0x00
0xc0 2 0x2c 0x73
0xc0 2 0x2d 0x37
0xc0 2 0x31 0x93
0xc0 2 0x32 0x0f
0xc0 2 0x33 0xff
0xc0 2 0x34 0xc8
0xc0 2 0x35 0xbf
0xff 0>;
init_off = <0xff 0>;
};
};
}; /* end of / */

75
arch/arm/boot/dts/amlogic/mesontxlx_r311-panel.dtsi
View File

@@ -678,6 +678,23 @@
};
backlight_4{
index = <4>;
bl_name = "ldim_global";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0xff /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /* on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 1>;
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <1>;
};
backlight_5{
index = <5>;
bl_name = "ldim_iw7027";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
@@ -687,29 +704,12 @@
1 0 /*on_value, off_value*/
200 200>; /*on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 10>;
bl_ldim_mode = <1>; /*1=single_side
* (top, bottom, left or right),
*2=uniform(top/bottom, left/right)
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <2>;
};
backlight_5{
index = <5>;
bl_name = "ldim_global";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0 /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /* on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 1>;
bl_ldim_mode = <1>; /*1=single_side
* (top, bottom, left or right),
*2=uniform(top/bottom, left/right)
*/
ldim_dev_index = <1>;
};
};
bl_pwm_conf:bl_pwm_conf{
@@ -728,54 +728,63 @@
status = "okay";
pinctrl-names = "ldim_pwm",
"ldim_pwm_vs",
"ldim_pwm_off";
"ldim_pwm_combo",
"ldim_pwm_vs_combo",
"ldim_pwm_off",
"ldim_pwm_combo_off";
pinctrl-0 = <&bl_pwm_on_pins>;
pinctrl-1 = <&bl_pwm_vs_on_pins>;
pinctrl-2 = <&bl_pwm_off_pins>;
pinctrl-2 = <&bl_pwm_on_pins &bl_pwm_combo_1_on_pins>;
pinctrl-3 = <&bl_pwm_vs_on_pins &bl_pwm_combo_1_on_pins>;
pinctrl-4 = <&bl_pwm_off_pins>;
pinctrl-5 = <&bl_pwm_combo_off_pins>;
pinctrl_version = <1>; /* for uboot */
ldim_pwm_config = <&bl_pwm_conf>;
/* pwm port: PWM_A, PWM_B, PWM_C, PWM_D, PWM_E, PWM_F, PWM_VS*/
ldim_dev-gpios = <&gpio GPIOZ_12 GPIO_ACTIVE_HIGH
&gpio GPIOZ_6 GPIO_ACTIVE_HIGH
&gpio GPIOZ_7 GPIO_ACTIVE_HIGH>;
ldim_dev_gpio_names = "GPIOZ_12","GPIOZ_6","GPIOZ_7";
&gpio GPIOZ_7 GPIO_ACTIVE_HIGH
&gpio GPIOZ_4 GPIO_ACTIVE_HIGH>;
ldim_dev_gpio_names = "GPIOZ_12","GPIOZ_6","GPIOZ_7","GPIOZ_4";
ldim_dev_0 {
index = <0>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "ob3350";
ldim_pwm_pinmux_sel = "ldim_pwm";
ldim_pwm_port = "PWM_B";
ldim_pwm_attr = <0 /* pol */
200 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
50>;/*default duty(%)*/
en_gpio_on_off = <0 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_1 {
index = <1>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "global";
ldim_pwm_pinmux_sel = "ldim_pwm";
ldim_pwm_port = "PWM_B";
ldim_pwm_attr = <1 /* pol */
180 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
en_gpio_on_off = <2 /*ldim_dev-gpios index*/
50>;/*default duty(%)*/
analog_pwm_port = "PWM_C";
analog_pwm_attr = <1 /*pol(0=negative, 1=positvie)*/
18000 /*freq(pwm:Hz)*/
100 25 /*duty_max(%), duty_min(%)*/
80>; /*default duty(%)*/
en_gpio_on_off = <3 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_2 {
index = <2>;
type = <1>; /* 0=normal,1=spi,2=i2c */
ldim_dev_name = "iw7027";
ldim_pwm_pinmux_sel = "ldim_pwm_vs";
ldim_pwm_port = "PWM_VS";
ldim_pwm_attr = <1 /* pol */
2 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
50>;/*default duty(%)*/
spi_bus_num = <0>;
spi_chip_select = <0>;
spi_max_frequency = <1000000>; /* unit: hz */

2
arch/arm/boot/dts/amlogic/tl1_t962x2_x301.dts
View File

@@ -39,6 +39,8 @@
i2c2 = &i2c2;
i2c3 = &i2c3;
i2c4 = &i2c_AO;
spi0 = &spicc0;
spi1 = &spicc1;
};
memory@00000000 {

70
arch/arm64/boot/dts/amlogic/mesontxlx_r311-panel.dtsi
View File

@@ -678,6 +678,23 @@
};
backlight_4{
index = <4>;
bl_name = "ldim_global";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0xff /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /* on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 1>;
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <1>;
};
backlight_5{
index = <5>;
bl_name = "ldim_iw7027";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
@@ -693,23 +710,6 @@
*/
ldim_dev_index = <2>;
};
backlight_5{
index = <5>;
bl_name = "ldim_global";
bl_level_default_uboot_kernel = <100 100>;
bl_level_attr = <255 10 /*max, min*/
128 128>; /*mid, mid_mapping*/
bl_ctrl_method = <3>; /*1=pwm,2=pwm_combo,3=ldim*/
bl_power_attr = <0 /*en_gpio_index*/
1 0 /*on_value, off_value*/
200 200>; /* on_delay(ms), off_delay(ms)*/
bl_ldim_region_row_col = <1 1>;
bl_ldim_mode = <1>; /*0=left/right side
*1=top/bottom side
*2=direct
*/
ldim_dev_index = <1>;
};
};
bl_pwm_conf:bl_pwm_conf{
@@ -728,54 +728,63 @@
status = "okay";
pinctrl-names = "ldim_pwm",
"ldim_pwm_vs",
"ldim_pwm_off";
"ldim_pwm_combo",
"ldim_pwm_vs_combo",
"ldim_pwm_off",
"ldim_pwm_combo_off";
pinctrl-0 = <&bl_pwm_on_pins>;
pinctrl-1 = <&bl_pwm_vs_on_pins>;
pinctrl-2 = <&bl_pwm_off_pins>;
pinctrl-2 = <&bl_pwm_on_pins &bl_pwm_combo_1_on_pins>;
pinctrl-3 = <&bl_pwm_vs_on_pins &bl_pwm_combo_1_on_pins>;
pinctrl-4 = <&bl_pwm_off_pins>;
pinctrl-5 = <&bl_pwm_combo_off_pins>;
pinctrl_version = <1>; /* for uboot */
ldim_pwm_config = <&bl_pwm_conf>;
/* pwm port: PWM_A, PWM_B, PWM_C, PWM_D, PWM_E, PWM_F, PWM_VS*/
ldim_dev-gpios = <&gpio GPIOZ_12 GPIO_ACTIVE_HIGH
&gpio GPIOZ_6 GPIO_ACTIVE_HIGH
&gpio GPIOZ_7 GPIO_ACTIVE_HIGH>;
ldim_dev_gpio_names = "GPIOZ_12","GPIOZ_6","GPIOZ_7";
&gpio GPIOZ_7 GPIO_ACTIVE_HIGH
&gpio GPIOZ_4 GPIO_ACTIVE_HIGH>;
ldim_dev_gpio_names = "GPIOZ_12","GPIOZ_6","GPIOZ_7","GPIOZ_4";
ldim_dev_0 {
index = <0>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "ob3350";
ldim_pwm_pinmux_sel = "ldim_pwm";
ldim_pwm_port = "PWM_B";
ldim_pwm_attr = <0 /* pol */
200 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
50>;/*default duty(%)*/
en_gpio_on_off = <0 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_1 {
index = <1>;
type = <0>; /*0=normal, 1=spi, 2=i2c*/
ldim_dev_name = "global";
ldim_pwm_pinmux_sel = "ldim_pwm";
ldim_pwm_port = "PWM_B";
ldim_pwm_attr = <1 /* pol */
180 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
en_gpio_on_off = <2 /*ldim_dev-gpios index*/
50>;/*default duty(%)*/
analog_pwm_port = "PWM_C";
analog_pwm_attr = <1 /*pol(0=negative, 1=positvie)*/
18000 /*freq(pwm:Hz)*/
100 25 /*duty_max(%), duty_min(%)*/
80>; /*default duty(%)*/
en_gpio_on_off = <3 /*ldim_dev-gpios index*/
1 0>; /*on_level, off_level*/
dim_max_min = <100 20>; /*dim_max, dim_min*/
};
ldim_dev_2 {
index = <2>;
type = <1>; /* 0=normal,1=spi,2=i2c */
ldim_dev_name = "iw7027";
ldim_pwm_pinmux_sel = "ldim_pwm_vs";
ldim_pwm_port = "PWM_VS";
ldim_pwm_attr = <1 /* pol */
2 /*freq(pwm:Hz, pwm_vs:multiple of vs)*/
50>;/*duty(%)*/
50>;/*default duty(%)*/
spi_bus_num = <0>;
spi_chip_select = <0>;
spi_max_frequency = <1000000>; /* unit: hz */
@@ -818,6 +827,7 @@
0xc0 2 0x34 0xc8
0xc0 2 0x35 0xbf
0xff 0>;
init_off = <0xff 0>;
};
};

19
drivers/amlogic/media/vout/backlight/aml_bl.c
View File

@@ -330,15 +330,6 @@ static void bl_gpio_set(int index, int value)
}
}
static inline unsigned int bl_do_div(unsigned long long num, unsigned int den)
{
unsigned long long ret = num;
do_div(ret, den);
return (unsigned int)ret;
}
/* ****************************************************** */
#define BL_PINMUX_MAX 8
static char *bl_pinmux_str[BL_PINMUX_MAX] = {
@@ -2865,11 +2856,11 @@ static ssize_t bl_debug_pwm_show(struct class *class,
return len;
}
#define BL_DEBUG_PWM_FREQ 0
#define BL_DEBUG_PWM_DUTY 1
#define BL_DEBUG_PWM_POL 2
#define BL_DEBUG_PWM_DUTY_MAX 3
#define BL_DEBUG_PWM_DUTY_MIN 4
#define BL_DEBUG_PWM_FREQ 0
#define BL_DEBUG_PWM_DUTY 1
#define BL_DEBUG_PWM_POL 2
#define BL_DEBUG_PWM_DUTY_MAX 3
#define BL_DEBUG_PWM_DUTY_MIN 4
static void bl_debug_pwm_set(unsigned int index, unsigned int value, int state)
{
struct bl_config_s *bconf = bl_drv->bconf;

28
drivers/amlogic/media/vout/backlight/aml_ldim/global_bl.c
View File

@@ -44,7 +44,8 @@ static int global_hw_init_on(void)
{
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->analog_pwm_config));
ldim_drv->pinmux_ctrl(1);
mdelay(2);
ldim_gpio_set(ldim_drv->ldev_conf->en_gpio,
@@ -61,7 +62,8 @@ static int global_hw_init_off(void)
ldim_gpio_set(ldim_drv->ldev_conf->en_gpio,
ldim_drv->ldev_conf->en_gpio_off);
ldim_drv->pinmux_ctrl(0);
ldim_pwm_off(&(ldim_drv->ldev_conf->pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->analog_pwm_config));
return 0;
}
@@ -88,12 +90,22 @@ static int global_smr(unsigned short *buf, unsigned char len)
level = buf[0];
val = dim_min + ((level * (dim_max - dim_min)) / LD_DATA_MAX);
ldim_drv->ldev_conf->pwm_config.pwm_duty = val;
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->pwm_config));
ldim_drv->ldev_conf->ldim_pwm_config.pwm_duty = val;
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->ldim_pwm_config));
return 0;
}
static void global_dim_range_update(void)
{
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
struct ldim_dev_config_s *ldim_dev;
ldim_dev = ldim_drv->ldev_conf;
ldim_dev->dim_max = ldim_dev->ldim_pwm_config.pwm_duty_max;
ldim_dev->dim_min = ldim_dev->ldim_pwm_config.pwm_duty_min;
}
static int global_power_on(void)
{
if (global_on_flag) {
@@ -137,7 +149,7 @@ static ssize_t global_show(struct class *class,
ldim_drv->ldev_conf->en_gpio_off,
ldim_drv->ldev_conf->dim_max,
ldim_drv->ldev_conf->dim_min,
ldim_drv->ldev_conf->pwm_config.pwm_duty);
ldim_drv->ldev_conf->ldim_pwm_config.pwm_duty);
}
return ret;
@@ -150,6 +162,12 @@ static struct class_attribute global_class_attrs[] = {
static int global_ldim_driver_update(struct aml_ldim_driver_s *ldim_drv)
{
struct ldim_dev_config_s *ldim_dev = ldim_drv->ldev_conf;
ldim_dev->ldim_pwm_config.pwm_duty_max = ldim_dev->dim_max;
ldim_dev->ldim_pwm_config.pwm_duty_min = ldim_dev->dim_min;
ldim_dev->dim_range_update = global_dim_range_update;
ldim_drv->device_power_on = global_power_on;
ldim_drv->device_power_off = global_power_off;
ldim_drv->device_bri_update = global_smr;

12
drivers/amlogic/media/vout/backlight/aml_ldim/iw7027_bl.c
View File

@@ -304,7 +304,8 @@ static int iw7027_hw_init_on(void)
iw7027_power_on_init();
/* step 5: supply stable vsync */
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->analog_pwm_config));
ldim_drv->pinmux_ctrl(1);
/* step 6: delay for system clock and light bar PSU stable */
@@ -336,7 +337,8 @@ static int iw7027_hw_init_off(void)
ldim_gpio_set(ldim_drv->ldev_conf->en_gpio,
ldim_drv->ldev_conf->en_gpio_off);
ldim_drv->pinmux_ctrl(0);
ldim_pwm_off(&(ldim_drv->ldev_conf->pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->analog_pwm_config));
return 0;
}
@@ -648,7 +650,7 @@ static ssize_t iw7027_store(struct class *class,
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
struct iw7027_s *bl = container_of(class, struct iw7027_s, cls);
unsigned int val, val2;
unsigned char reg_addr, reg_val;
unsigned char reg_addr, reg_val, temp;
int i;
if (!strcmp(attr->attr.name, "init")) {
@@ -663,6 +665,10 @@ static ssize_t iw7027_store(struct class *class,
reg_addr = (unsigned char)val;
reg_val = (unsigned char)val2;
iw7027_wreg(bl->spi, reg_addr, reg_val);
iw7027_rreg(bl->spi, reg_addr, &temp);
pr_info(
"reg 0x%02x = 0x%02x, readback 0x%02x\n",
reg_addr, reg_val, temp);
mutex_unlock(&iw7027_spi_mutex);
} else {
LDIMERR("%s: invalid args\n", __func__);

256
drivers/amlogic/media/vout/backlight/aml_ldim/ldim_dev_drv.c
View File

@@ -58,6 +58,7 @@ static struct spi_board_info ldim_spi_info = {
static unsigned char *table_init_on_dft;
static unsigned char *table_init_off_dft;
static int ldim_dev_probe_flag;
static struct class ldim_dev_class;
struct ldim_dev_config_s ldim_dev_config = {
.type = LDIM_DEV_TYPE_NORMAL,
@@ -77,11 +78,11 @@ struct ldim_dev_config_s ldim_dev_config = {
.init_off = NULL,
.init_on_cnt = 0,
.init_off_cnt = 0,
.pwm_config = {
.ldim_pwm_config = {
.pwm_method = BL_PWM_POSITIVE,
.pwm_port = BL_PWM_MAX,
.pwm_duty_max = 100,
.pwm_duty_min = 1,
.pwm_duty_min = 0,
},
.analog_pwm_config = {
.pwm_method = BL_PWM_POSITIVE,
@@ -257,14 +258,13 @@ unsigned int ldim_gpio_get(int index)
void ldim_set_duty_pwm(struct bl_pwm_config_s *bl_pwm)
{
unsigned long temp;
unsigned long long temp;
if (bl_pwm->pwm_port >= BL_PWM_MAX)
return;
temp = bl_pwm->pwm_cnt;
temp = (((temp * bl_pwm->pwm_duty) + 50) / 100);
bl_pwm->pwm_level = (unsigned int)temp;
bl_pwm->pwm_level = bl_do_div(((temp * bl_pwm->pwm_duty) + 50), 100);
if (ldim_debug_print == 2) {
LDIMPR(
@@ -288,42 +288,53 @@ void ldim_pwm_off(struct bl_pwm_config_s *bl_pwm)
static char *ldim_pinmux_str[] = {
"ldim_pwm", /* 0 */
"ldim_pwm_vs", /* 1 */
"ldim_pwm_off", /* 1 */
"none",
"ldim_pwm_combo", /* 2 */
"ldim_pwm_vs_combo", /* 3 */
"ldim_pwm_off", /* 4 */
"ldim_pwm_combo_off", /* 5 */
"custome",
};
static int ldim_pwm_pinmux_ctrl(int status)
{
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
struct bl_pwm_config_s *bl_pwm;
char *str;
int ret = 0, index = 0xff;
if (strcmp(ldim_drv->ldev_conf->pinmux_name, "invalid") == 0)
if (ldim_drv->ldev_conf->ldim_pwm_config.pwm_port >= BL_PWM_MAX)
return 0;
bl_pwm = &ldim_drv->ldev_conf->pwm_config;
if (bl_pwm->pwm_port >= BL_PWM_MAX)
return 0;
if (bl_pwm->pwm_port == BL_PWM_VS)
index = (status) ? 1 : 2;
else
index = (status) ? 0 : 2;
if (status) {
bl_pwm = &ldim_drv->ldev_conf->ldim_pwm_config;
if (bl_pwm->pwm_port == BL_PWM_VS)
index = 1;
else
index = 0;
bl_pwm = &ldim_drv->ldev_conf->analog_pwm_config;
if (bl_pwm->pwm_port < BL_PWM_VS)
index += 2;
} else {
bl_pwm = &ldim_drv->ldev_conf->analog_pwm_config;
if (bl_pwm->pwm_port < BL_PWM_VS)
index = 5;
else
index = 4;
}
str = ldim_pinmux_str[index];
if (ldim_drv->pinmux_flag == index) {
LDIMPR("pinmux %s is already selected\n",
ldim_pinmux_str[index]);
LDIMPR("pinmux %s is already selected\n", str);
return 0;
}
/* request pwm pinmux */
ldim_drv->pin = devm_pinctrl_get_select(ldim_drv->dev,
ldim_pinmux_str[index]);
ldim_drv->pin = devm_pinctrl_get_select(ldim_drv->dev, str);
if (IS_ERR(ldim_drv->pin)) {
LDIMERR("set pinmux %s error\n", ldim_pinmux_str[index]);
LDIMERR("set pinmux %s error\n", str);
ret = -1;
} else {
LDIMPR("set pinmux %s: 0x%p\n",
ldim_pinmux_str[index], ldim_drv->pin);
LDIMPR("set pinmux %s: 0x%p\n", str, ldim_drv->pin);
}
ldim_drv->pinmux_flag = index;
@@ -332,7 +343,7 @@ static int ldim_pwm_pinmux_ctrl(int status)
static int ldim_pwm_vs_update(void)
{
struct bl_pwm_config_s *bl_pwm = &ldim_dev_config.pwm_config;
struct bl_pwm_config_s *bl_pwm = &ldim_dev_config.ldim_pwm_config;
unsigned int cnt;
int ret = 0;
@@ -374,6 +385,10 @@ static void ldim_dev_init_table_dynamic_size_print(
table = econf->init_off;
max_len = econf->init_off_cnt;
}
if (max_len == 0) {
kfree(str);
return;
}
if (table == NULL) {
LDIMERR("init_table %d is NULL\n", flag);
kfree(str);
@@ -451,6 +466,10 @@ static void ldim_dev_init_table_fixed_size_print(
table = econf->init_off;
max_len = econf->init_off_cnt;
}
if (max_len == 0) {
kfree(str);
return;
}
if (table == NULL) {
LDIMERR("init_table %d is NULL\n", flag);
kfree(str);
@@ -487,7 +506,7 @@ static void ldim_dev_config_print(void)
pr_info("valid_flag = %d\n"
"dev_index = %d\n"
"vsync_change_flag = %d\n",
"vsync_change_flag = %d\n\n",
ldim_drv->valid_flag,
ldim_drv->dev_index,
ldim_drv->vsync_change_flag);
@@ -496,7 +515,6 @@ static void ldim_dev_config_print(void)
return;
}
bl_pwm = &ldim_drv->ldev_conf->pwm_config;
pr_info("dev_name = %s\n"
"type = %d\n"
"en_gpio = %d\n"
@@ -559,13 +577,14 @@ static void ldim_dev_config_print(void)
default:
break;
}
bl_pwm = &ldim_drv->ldev_conf->ldim_pwm_config;
if (bl_pwm->pwm_port < BL_PWM_MAX) {
pr_info("pwm_port: %d\n"
"pwm_pol: %d\n"
"pwm_freq: %d\n"
"pwm_cnt: %d\n"
"pwm_level: %d\n"
"pwm_duty: %d%%\n",
pr_info("lidm_pwm_port: %d\n"
"lidm_pwm_pol: %d\n"
"lidm_pwm_freq: %d\n"
"lidm_pwm_cnt: %d\n"
"lidm_pwm_level: %d\n"
"lidm_pwm_duty: %d%%\n",
bl_pwm->pwm_port, bl_pwm->pwm_method,
bl_pwm->pwm_freq, bl_pwm->pwm_cnt,
bl_pwm->pwm_level, bl_pwm->pwm_duty);
@@ -577,28 +596,28 @@ static void ldim_dev_config_print(void)
case BL_PWM_E:
case BL_PWM_F:
if (IS_ERR_OR_NULL(bl_pwm->pwm_data.pwm)) {
pr_info("pwm invalid\n");
pr_info("lidm_pwm invalid\n");
break;
}
pr_info("pwm_pointer: %p\n",
pr_info("lidm_pwm_pointer: 0x%p\n",
bl_pwm->pwm_data.pwm);
pwm_get_state(bl_pwm->pwm_data.pwm, &pstate);
pr_info("pwm state:\n"
" period: %d\n"
" duty_cycle: %d\n"
" polarity: %d\n"
" enabled: %d\n",
pr_info("lidm_pwm state:\n"
" period: %d\n"
" duty_cycle: %d\n"
" polarity: %d\n"
" enabled: %d\n",
pstate.period, pstate.duty_cycle,
pstate.polarity, pstate.enabled);
value = bl_cbus_read(
bl_drv->data->pwm_reg[bl_pwm->pwm_port]);
pr_info("pwm_reg: 0x%08x\n", value);
pr_info("lidm_pwm_reg: 0x%08x\n", value);
break;
case BL_PWM_VS:
pr_info("pwm_reg0: 0x%08x\n"
"pwm_reg1: 0x%08x\n"
"pwm_reg2: 0x%08x\n"
"pwm_reg3: 0x%08x\n",
pr_info("lidm_pwm_reg0: 0x%08x\n"
"lidm_pwm_reg1: 0x%08x\n"
"lidm_pwm_reg2: 0x%08x\n"
"lidm_pwm_reg3: 0x%08x\n",
bl_vcbus_read(VPU_VPU_PWM_V0),
bl_vcbus_read(VPU_VPU_PWM_V1),
bl_vcbus_read(VPU_VPU_PWM_V2),
@@ -608,16 +627,59 @@ static void ldim_dev_config_print(void)
break;
}
}
pr_info("pinmux_flag: %d\n"
"pinmux_pointer: 0x%p\n\n",
bl_pwm = &ldim_drv->ldev_conf->analog_pwm_config;
if (bl_pwm->pwm_port < BL_PWM_MAX) {
pr_info("\nanalog_pwm_port: %d\n"
"analog_pwm_pol: %d\n"
"analog_pwm_freq: %d\n"
"analog_pwm_cnt: %d\n"
"analog_pwm_level: %d\n"
"analog_pwm_duty: %d%%\n"
"analog_pwm_duty_max: %d%%\n"
"analog_pwm_duty_min: %d%%\n",
bl_pwm->pwm_port, bl_pwm->pwm_method,
bl_pwm->pwm_freq, bl_pwm->pwm_cnt,
bl_pwm->pwm_level, bl_pwm->pwm_duty,
bl_pwm->pwm_duty_max, bl_pwm->pwm_duty_min);
switch (bl_pwm->pwm_port) {
case BL_PWM_A:
case BL_PWM_B:
case BL_PWM_C:
case BL_PWM_D:
case BL_PWM_E:
case BL_PWM_F:
if (IS_ERR_OR_NULL(bl_pwm->pwm_data.pwm)) {
pr_info("analog_pwm invalid\n");
break;
}
pr_info("analog_pwm_pointer: 0x%p\n",
bl_pwm->pwm_data.pwm);
pwm_get_state(bl_pwm->pwm_data.pwm, &pstate);
pr_info("analog_pwm state:\n"
" period: %d\n"
" duty_cycle: %d\n"
" polarity: %d\n"
" enabled: %d\n",
pstate.period, pstate.duty_cycle,
pstate.polarity, pstate.enabled);
value = bl_cbus_read(
bl_drv->data->pwm_reg[bl_pwm->pwm_port]);
pr_info("analog_pwm_reg: 0x%08x\n", value);
break;
default:
break;
}
}
pr_info("\npinmux_flag: %d\n"
"pinmux_pointer: 0x%p\n\n",
ldim_drv->pinmux_flag,
ldim_drv->pin);
if (ldim_drv->ldev_conf->cmd_size > 0) {
pr_info("table_loaded: %d\n"
"cmd_size: %d\n"
"init_on_cnt: %d\n"
"init_off_cnt: %d\n",
pr_info("table_loaded: %d\n"
"cmd_size: %d\n"
"init_on_cnt: %d\n"
"init_off_cnt: %d\n",
ldim_drv->ldev_conf->init_loaded,
ldim_drv->ldev_conf->cmd_size,
ldim_drv->ldev_conf->init_on_cnt,
@@ -647,6 +709,9 @@ static int ldim_dev_pwm_channel_register(struct bl_pwm_config_s *bl_pwm,
struct device_node *child;
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
if (ldim_debug_print)
LDIMPR("%s ok\n", __func__);
ret = of_property_read_u32(blnode, "ldim_pwm_config", &pwm_phandle);
if (ret) {
LDIMERR("not match ldim_pwm_config node\n");
@@ -694,8 +759,6 @@ static int ldim_dev_pwm_channel_register(struct bl_pwm_config_s *bl_pwm,
bl_pwm->pwm_data.port_index, bl_pwm->pwm_data.pwm);
}
LDIMPR("%s ok\n", __func__);
return ret;
}
@@ -902,6 +965,7 @@ static int ldim_dev_get_config_from_dts(struct device_node *np, int index)
int i;
int ret = 0;
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
struct bl_pwm_config_s *bl_pwm;
temp = kcalloc(LD_BLKREGNUM, sizeof(unsigned int), GFP_KERNEL);
if (temp == NULL) {
@@ -927,48 +991,77 @@ static int ldim_dev_get_config_from_dts(struct device_node *np, int index)
ret = of_property_read_string(child, "ldim_pwm_pinmux_sel", &str);
if (ret) {
LDIMERR("failed to get ldim_pwm_name\n");
strcpy(ldim_dev_config.pinmux_name, "invalid");
} else {
LDIMPR("find custome ldim_pwm_pinmux_sel: %s\n", str);
strcpy(ldim_dev_config.pinmux_name, str);
}
/* ldim pwm config */
bl_pwm = &ldim_dev_config.ldim_pwm_config;
ret = of_property_read_string(child, "ldim_pwm_port", &str);
if (ret) {
LDIMERR("failed to get ldim_pwm_port\n");
ldim_dev_config.pwm_config.pwm_port = BL_PWM_MAX;
} else {
ldim_dev_config.pwm_config.pwm_port = bl_pwm_str_to_pwm(str);
bl_pwm->pwm_port = bl_pwm_str_to_pwm(str);
LDIMPR("ldim_pwm_port: %s(%u)\n", str, bl_pwm->pwm_port);
}
LDIMPR("pwm_port: %s(%u)\n", str, ldim_dev_config.pwm_config.pwm_port);
if (ldim_dev_config.pwm_config.pwm_port < BL_PWM_MAX) {
if (bl_pwm->pwm_port < BL_PWM_MAX) {
ret = of_property_read_u32_array(child, "ldim_pwm_attr",
temp, 3);
if (ret) {
LDIMERR("failed to get ldim_pwm_attr\n");
ldim_dev_config.pwm_config.pwm_method = BL_PWM_POSITIVE;
if (ldim_dev_config.pwm_config.pwm_port == BL_PWM_VS)
ldim_dev_config.pwm_config.pwm_freq = 1;
bl_pwm->pwm_method = BL_PWM_POSITIVE;
if (bl_pwm->pwm_port == BL_PWM_VS)
bl_pwm->pwm_freq = 1;
else
ldim_dev_config.pwm_config.pwm_freq = 60;
ldim_dev_config.pwm_config.pwm_duty = 50;
bl_pwm->pwm_freq = 60;
bl_pwm->pwm_duty = 50;
} else {
ldim_dev_config.pwm_config.pwm_method = temp[0];
ldim_dev_config.pwm_config.pwm_freq = temp[1];
ldim_dev_config.pwm_config.pwm_duty = temp[2];
bl_pwm->pwm_method = temp[0];
bl_pwm->pwm_freq = temp[1];
bl_pwm->pwm_duty = temp[2];
}
LDIMPR("get pwm pol = %d, freq = %d, duty = %d%%\n",
ldim_dev_config.pwm_config.pwm_method,
ldim_dev_config.pwm_config.pwm_freq,
ldim_dev_config.pwm_config.pwm_duty);
LDIMPR(
"get ldim_pwm pol = %d, freq = %d, default duty = %d%%\n",
bl_pwm->pwm_method, bl_pwm->pwm_freq,
bl_pwm->pwm_duty);
bl_pwm_config_init(&ldim_dev_config.pwm_config);
bl_pwm_config_init(bl_pwm);
if (ldim_dev_config.pwm_config.pwm_port < BL_PWM_VS) {
ldim_dev_pwm_channel_register(
&ldim_dev_config.pwm_config, np);
if (bl_pwm->pwm_port < BL_PWM_VS)
ldim_dev_pwm_channel_register(bl_pwm, np);
}
/* analog pwm config */
bl_pwm = &ldim_dev_config.analog_pwm_config;
ret = of_property_read_string(child, "analog_pwm_port", &str);
if (ret)
bl_pwm->pwm_port = BL_PWM_MAX;
else
bl_pwm->pwm_port = bl_pwm_str_to_pwm(str);
if (bl_pwm->pwm_port < BL_PWM_VS) {
LDIMPR("find analog_pwm_port: %s(%u)\n", str, bl_pwm->pwm_port);
ret = of_property_read_u32_array(child, "analog_pwm_attr",
temp, 5);
if (ret) {
LDIMERR("failed to get analog_pwm_attr\n");
} else {
bl_pwm->pwm_method = temp[0];
bl_pwm->pwm_freq = temp[1];
bl_pwm->pwm_duty_max = temp[2];
bl_pwm->pwm_duty_min = temp[3];
bl_pwm->pwm_duty = temp[4];
}
LDIMPR(
"get analog_pwm pol = %d, freq = %d, duty_max = %d%%, duty_min = %d%%, default duty = %d%%\n",
bl_pwm->pwm_method, bl_pwm->pwm_freq,
bl_pwm->pwm_duty_max, bl_pwm->pwm_duty_min,
bl_pwm->pwm_duty);
bl_pwm_config_init(bl_pwm);
ldim_dev_pwm_channel_register(bl_pwm, np);
}
ret = of_property_read_u32_array(child, "en_gpio_on_off", temp, 3);
@@ -1643,12 +1736,14 @@ static int ldim_dev_probe(struct platform_device *pdev)
ldim_dev_get_config_from_dts(pdev->dev.of_node,
ldim_drv->dev_index);
ldim_dev_class_create();
ldim_dev_add_driver(ldim_drv);
/* init ldim function */
if (ldim_drv->valid_flag)
ldim_drv->init();
LDIMPR("%s OK\n", __func__);
}
/* init ldim function */
if (ldim_drv->valid_flag)
ldim_drv->init();
LDIMPR("%s OK\n", __func__);
return 0;
}
@@ -1657,10 +1752,11 @@ static int __exit ldim_dev_remove(struct platform_device *pdev)
{
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
if (ldim_drv->dev_index != 0xff)
if (ldim_drv->dev_index != 0xff) {
ldim_dev_remove_driver(ldim_drv);
LDIMPR("%s OK\n", __func__);
}
LDIMPR("%s OK\n", __func__);
return 0;
}

4
drivers/amlogic/media/vout/backlight/aml_ldim/ldim_drv.h
View File

@@ -25,7 +25,9 @@
/*20180820: pq tooling support, espically optimize some alg parameters */
/*20181101: fix ldim_op_func null mistake, add new spi api support */
/*20181203: add 50/60hz change & iw7027 error handle support */
#define LDIM_DRV_VER "20181203"
/*20181220: add tl1 support*/
/*20190103: add analog pwm support*/
#define LDIM_DRV_VER "20190103"
extern unsigned char ldim_debug_print;

28
drivers/amlogic/media/vout/backlight/aml_ldim/ob3350_bl.c
View File

@@ -48,7 +48,8 @@ static int ob3350_hw_init_on(void)
ldim_drv->ldev_conf->en_gpio_on);
mdelay(2);
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->analog_pwm_config));
ldim_drv->pinmux_ctrl(1);
mdelay(20);
@@ -62,7 +63,8 @@ static int ob3350_hw_init_off(void)
ldim_gpio_set(ldim_drv->ldev_conf->en_gpio,
ldim_drv->ldev_conf->en_gpio_off);
ldim_drv->pinmux_ctrl(0);
ldim_pwm_off(&(ldim_drv->ldev_conf->pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->ldim_pwm_config));
ldim_pwm_off(&(ldim_drv->ldev_conf->analog_pwm_config));
return 0;
}
@@ -89,12 +91,22 @@ static int ob3350_smr(unsigned short *buf, unsigned char len)
level = buf[0];
val = dim_min + ((level * (dim_max - dim_min)) / LD_DATA_MAX);
ldim_drv->ldev_conf->pwm_config.pwm_duty = val;
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->pwm_config));
ldim_drv->ldev_conf->ldim_pwm_config.pwm_duty = val;
ldim_set_duty_pwm(&(ldim_drv->ldev_conf->ldim_pwm_config));
return 0;
}
static void ob3350_dim_range_update(void)
{
struct aml_ldim_driver_s *ldim_drv = aml_ldim_get_driver();
struct ldim_dev_config_s *ldim_dev;
ldim_dev = ldim_drv->ldev_conf;
ldim_dev->dim_max = ldim_dev->ldim_pwm_config.pwm_duty_max;
ldim_dev->dim_min = ldim_dev->ldim_pwm_config.pwm_duty_min;
}
static int ob3350_power_on(void)
{
if (ob3350_on_flag) {
@@ -138,7 +150,7 @@ static ssize_t ob3350_show(struct class *class,
ldim_drv->ldev_conf->en_gpio_off,
ldim_drv->ldev_conf->dim_max,
ldim_drv->ldev_conf->dim_min,
ldim_drv->ldev_conf->pwm_config.pwm_duty);
ldim_drv->ldev_conf->ldim_pwm_config.pwm_duty);
}
return ret;
@@ -151,6 +163,12 @@ static struct class_attribute ob3350_class_attrs[] = {
static int ob3350_ldim_driver_update(struct aml_ldim_driver_s *ldim_drv)
{
struct ldim_dev_config_s *ldim_dev = ldim_drv->ldev_conf;
ldim_dev->ldim_pwm_config.pwm_duty_max = ldim_dev->dim_max;
ldim_dev->ldim_pwm_config.pwm_duty_min = ldim_dev->dim_min;
ldim_dev->dim_range_update = ob3350_dim_range_update;
ldim_drv->device_power_on = ob3350_power_on;
ldim_drv->device_power_off = ob3350_power_off;
ldim_drv->device_bri_update = ob3350_smr;

9
include/linux/amlogic/media/vout/lcd/aml_bl.h
View File

@@ -197,5 +197,14 @@ extern void bl_pwm_ctrl(struct bl_pwm_config_s *bl_pwm, int status);
#define BL_GPIO_OUTPUT_HIGH 1
#define BL_GPIO_INPUT 2
static inline unsigned int bl_do_div(unsigned long long num, unsigned int den)
{
unsigned long long ret = num;
do_div(ret, den);
return (unsigned int)ret;
}
#endif