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distribution/projects/Amlogic/packages/linux/patches/S922X/000-s922x-devices.patch
littleguy77 fab07df97d Fix issue with integer overflow.
2023-09-30 23:51:58 -04:00

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diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/Makefile linux/arch/arm64/boot/dts/amlogic/Makefile
--- linux.orig/arch/arm64/boot/dts/amlogic/Makefile 2023-09-12 12:02:56.937601871 +0000
+++ linux/arch/arm64/boot/dts/amlogic/Makefile 2023-09-12 12:03:27.490291628 +0000
@@ -12,8 +12,10 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gsking-x.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-go-ultra.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-powkiddy-rgb10-max-3.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-ugoos-am6.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi 2023-09-12 12:02:56.937601871 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi 2023-09-12 12:03:27.490291628 +0000
@@ -61,18 +61,6 @@
gpu_opp_table: opp-table-gpu {
compatible = "operating-points-v2";
- opp-124999998 {
- opp-hz = /bits/ 64 <124999998>;
- opp-microvolt = <800000>;
- };
- opp-249999996 {
- opp-hz = /bits/ 64 <249999996>;
- opp-microvolt = <800000>;
- };
- opp-285714281 {
- opp-hz = /bits/ 64 <285714281>;
- opp-microvolt = <800000>;
- };
opp-399999994 {
opp-hz = /bits/ 64 <399999994>;
opp-microvolt = <800000>;
@@ -1884,6 +1872,15 @@
};
};
+ uart_ao_b_pins: uart-b-ao {
+ mux {
+ groups = "uart_ao_b_tx_8",
+ "uart_ao_b_rx_9";
+ function = "uart_ao_b";
+ bias-disable;
+ };
+ };
+
uart_ao_a_pins: uart-a-ao {
mux {
groups = "uart_ao_a_tx",
@@ -2394,14 +2391,20 @@
};
mali: gpu@ffe40000 {
- compatible = "amlogic,meson-g12a-mali", "arm,mali-bifrost";
- reg = <0x0 0xffe40000 0x0 0x40000>;
+ compatible = "arm,mali-midgard";
+ reg = <0x0 0xffe40000 0x0 0x40000>,
+ <0 0xFFD01000 0 0x01000>,
+ <0 0xFF800000 0 0x01000>,
+ <0 0xFF63c000 0 0x01000>,
+ <0 0xFFD01000 0 0x01000>;
+
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
+ interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "job", "mmu", "gpu";
+ <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "GPU", "MMU", "JOB";
clocks = <&clkc CLKID_MALI>;
+ clock-names = "clk_mali";
resets = <&reset RESET_DVALIN_CAPB3>, <&reset RESET_DVALIN>;
operating-points-v2 = <&gpu_opp_table>;
#cooling-cells = <2>;
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi 2023-09-12 12:02:56.937601871 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-a311d.dtsi 2023-09-12 12:03:27.490291628 +0000
@@ -11,6 +11,11 @@
compatible = "operating-points-v2";
opp-shared;
+ opp-667000000 {
+ opp-hz = /bits/ 64 <667000000>;
+ opp-microvolt = <731000>;
+ };
+
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <761000>;
@@ -51,6 +56,11 @@
compatible = "operating-points-v2";
opp-shared;
+ opp-667000000 {
+ opp-hz = /bits/ 64 <667000000>;
+ opp-microvolt = <731000>;
+ };
+
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <731000>;
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts linux/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts 1970-01-01 00:00:00.000000000 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts 2023-09-12 13:20:28.956694441 +0000
@@ -0,0 +1,1021 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Neil Armstrong <narmstrong@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "meson-g12b-s922x.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-toacodec.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+ compatible = "hardkernel,odroid-go-ultra", "amlogic,s922x", "amlogic,g12b";
+ model = "Hardkernel ODROID-GO-Ultra";
+
+ aliases {
+ serial0 = &uart_AO;
+ rtc0 = &vrtc;
+ mmc0 = &sd_emmc_c;
+ mmc1 = &sd_emmc_b;
+ };
+
+ panel_backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm_ef 1 40000 0>;
+ brightness-levels = <0 255>;
+ num-interpolated-steps = <255>;
+ default-brightness-level = <255>;
+ };
+
+ bat: battery {
+ compatible = "simple-battery";
+ voltage-max-design-microvolt = <4200000>;
+ voltage-min-design-microvolt = <3500000>;
+ charge-full-design-microamp-hours = <4000000>;
+ charge-term-current-microamp = <200000>;
+ constant-charge-current-max-microamp = <1500000>;
+ constant-charge-voltage-max-microvolt = <4200000>;
+ factory-internal-resistance-micro-ohms = <180000>;
+
+
+ ocv-capacity-celsius = <20>;
+ ocv-capacity-table-0 = <4146950 100>, <4001920 95>, <3967900 90>, <3919950 85>,
+ <3888450 80>, <3861850 75>, <3831540 70>, <3799130 65>,
+ <3768190 60>, <3745650 55>, <3726610 50>, <3711630 45>,
+ <3696720 40>, <3685660 35>, <3674950 30>, <3663050 25>,
+ <3649470 20>, <3635260 15>, <3616920 10>, <3592440 5>,
+ <3574170 0>;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ codec_clk: codec-clk {
+ compatible = "fixed-clock";
+ clock-frequency = <12288000>;
+ clock-output-names = "codec_clk";
+ #clock-cells = <0>;
+ };
+
+ gpio_keys: volume-keys {
+ compatible = "gpio-keys-polled";
+ poll-interval = <5>;
+ autorepeat;
+
+ volume-up-button {
+ label = "VOLUME-UP";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpio GPIOX_8 GPIO_ACTIVE_LOW>;
+ };
+ volume-down-button {
+ label = "VOLUME-DOWN";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpio GPIOX_9 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ hp_detect_switch: hp-detect-switch {
+ compatible = "gpio-keys-polled";
+ poll-interval = <5>;
+ autorepeat;
+
+ hp-detect-pin {
+ label = "HEADPHONE";
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_HEADPHONE_INSERT>;
+ gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ joypad: gou_joypad {
+ compatible = "odroidgou-joypad";
+ poll-interval = <10>;
+ pinctrl-0 = <&keypad_gpio_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ joypad-name = "GO-Ultra Gamepad";
+ //joypad-vendor = <0x045e>;
+ joypad-product = <0x1000>;
+ joypad-revision = <0x0100>;
+
+ /* Analog sticks */
+ io-channels = <&saradc 0>, <&saradc 1>, <&saradc 2>, <&saradc 3>;
+ io-channel-names = "key-RY", "key-RX", "key-LY", "key-LX";
+ button-adc-scale = <4>;
+ button-adc-deadzone = <64>;
+ button-adc-fuzz = <32>;
+ button-adc-flat = <32>;
+ abs_x-p-tuning = <350>;
+ abs_x-n-tuning = <350>;
+ abs_y-p-tuning = <350>;
+ abs_y-n-tuning = <350>;
+ abs_rx-p-tuning = <350>;
+ abs_rx-n-tuning = <350>;
+ abs_ry-p-tuning = <350>;
+ abs_ry-n-tuning = <350>;
+
+ /* Buttons */
+ sw1 {
+ gpios = <&gpio GPIOX_0 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-UP";
+ linux,code = <BTN_DPAD_UP>; // 0x220
+ };
+ sw2 {
+ gpios = <&gpio GPIOX_1 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-DOWN";
+ linux,code = <BTN_DPAD_DOWN>; // 0x221
+ };
+ sw3 {
+ gpios = <&gpio GPIOX_2 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-LEFT";
+ linux,code = <BTN_DPAD_LEFT>; // 0x222
+ };
+ sw4 {
+ gpios = <&gpio GPIOX_3 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-RIGHT";
+ linux,code = <BTN_DPAD_RIGHT>; // 0x223
+ };
+ sw5 {
+ gpios = <&gpio GPIOX_4 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-A";
+ linux,code = <BTN_EAST>; // 0x131
+ };
+ sw6 {
+ gpios = <&gpio GPIOX_5 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-B";
+ linux,code = <BTN_SOUTH>; // 0x130
+ };
+ sw7 {
+ gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-Y";
+ linux,code = <BTN_WEST>; // 0x134
+ };
+ sw8 {
+ gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-X";
+ linux,code = <BTN_NORTH>; // 0x133
+ };
+ sw11 {
+ gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
+ label = "GPIO F2";
+ linux,code = <BTN_TRIGGER_HAPPY2>; // 0x2c2
+ };
+ sw12 {
+ gpios = <&gpio GPIOX_11 GPIO_ACTIVE_LOW>;
+ label = "GPIO F3";
+ linux,code = <BTN_TRIGGER_HAPPY3>; // 0x2c3
+ };
+ sw13 {
+ gpios = <&gpio GPIOX_12 GPIO_ACTIVE_LOW>;
+ label = "GPIO F4";
+ linux,code = <BTN_TRIGGER_HAPPY4>; // 0x2c4
+ };
+ sw14 {
+ gpios = <&gpio GPIOX_13 GPIO_ACTIVE_LOW>;
+ label = "GPIO F5";
+ linux,code = <BTN_TRIGGER_HAPPY5>; // 0x13c
+ };
+ sw15 {
+ gpios = <&gpio GPIOX_14 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-LEFT";
+ linux,code = <BTN_TL>; // 0x02
+ };
+ sw16 {
+ gpios = <&gpio GPIOX_15 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-RIGHT";
+ linux,code = <BTN_TR>; // 0x05
+ };
+ sw17 {
+ gpios = <&gpio GPIOX_16 GPIO_ACTIVE_LOW>;
+ label = "GPIO F6";
+ linux,code = <BTN_TRIGGER_HAPPY6>;
+ };
+ sw18 {
+ gpios = <&gpio GPIOX_17 GPIO_ACTIVE_LOW>;
+ label = "GPIO F1";
+ linux,code = <BTN_TRIGGER_HAPPY1>;
+ };
+ sw19 {
+ gpios = <&gpio GPIOX_18 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-RIGHT2";
+ linux,code = <BTN_TR2>;
+ };
+ sw20 {
+ gpios = <&gpio GPIOX_19 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-LEFT2";
+ linux,code = <BTN_TL2>;
+ };
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x40000000>;
+ };
+
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-blue {
+ color = <LED_COLOR_ID_BLUE>;
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ led-red {
+ color = <LED_COLOR_ID_RED>;
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ poweroff {
+ compatible = "hardkernel,odroid-go-ultra-poweroff";
+ hardkernel,rk817-pmic = <&rk817>;
+ hardkernel,rk818-pmic = <&rk818>;
+ };
+
+ vdd_sys: regulator-vdd_sys {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_SYS";
+ regulator-min-microvolt = <3800000>;
+ regulator-max-microvolt = <3800000>;
+ regulator-always-on;
+ };
+
+ sound {
+ compatible = "amlogic,axg-sound-card";
+ model = "ODROID-GO-ULTRA";
+ audio-aux-devs = <&tdmout_b>;
+ audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+ "TDM_B Playback", "TDMOUT_B OUT";
+
+ assigned-clocks = <&clkc CLKID_MPLL2>,
+ <&clkc CLKID_MPLL0>,
+ <&clkc CLKID_MPLL1>;
+ assigned-clock-parents = <0>, <0>, <0>;
+ assigned-clock-rates = <294912000>,
+ <270950400>,
+ <393216000>;
+ status = "okay";
+
+ dai-link-0 {
+ sound-dai = <&frddr_a>;
+ };
+
+ dai-link-1 {
+ sound-dai = <&frddr_b>;
+ };
+
+ dai-link-2 {
+ sound-dai = <&frddr_c>;
+ };
+
+ dai-link-3 {
+ sound-dai = <&toddr_a>;
+ };
+
+ dai-link-4 {
+ sound-dai = <&toddr_b>;
+ };
+
+ dai-link-5 {
+ sound-dai = <&toddr_c>;
+ };
+
+ /* 8ch hdmi interface */
+ dai-link-6 {
+ sound-dai = <&tdmif_b>;
+ dai-format = "i2s";
+ dai-tdm-slot-tx-mask-0 = <1 1>;
+ dai-tdm-slot-tx-mask-1 = <1 1>;
+ mclk-fs = <256>;
+
+ codec-0 {
+ sound-dai = <&rk817>;
+ };
+ };
+ };
+};
+
+&arb {
+ status = "okay";
+};
+
+&cpu0 {
+ cpu-supply = <&vddcpu_b>;
+ operating-points-v2 = <&cpu_opp_table_0>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu1 {
+ cpu-supply = <&vddcpu_b>;
+ operating-points-v2 = <&cpu_opp_table_0>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu100 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu101 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu102 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu103 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+/* RK817 only supports 12.5mV steps, round up the values */
+&cpu_opp_table_0 {
+ opp-667000000 {
+ opp-microvolt = <725000>;
+ };
+ opp-1000000000 {
+ opp-microvolt = <737500>;
+ };
+ opp-1200000000 {
+ opp-microvolt = <737500>;
+ };
+ opp-1398000000 {
+ opp-microvolt = <762500>;
+ };
+ opp-1512000000 {
+ opp-microvolt = <800000>;
+ };
+ opp-1608000000 {
+ opp-microvolt = <837500>;
+ };
+ opp-1704000000 {
+ opp-microvolt = <862500>;
+ };
+ opp-1896000000 {
+ opp-microvolt = <987500>;
+ };
+ opp-1992000000 {
+ opp-microvolt = <1050000>;
+ };
+ opp-2016000000 {
+ opp-hz = /bits/ 64 <2016000000>;
+ opp-microvolt = <1050000>;
+ };
+};
+
+/* RK818 only supports 12.5mV steps, round up the values */
+&cpub_opp_table_1 {
+ opp-667000000 {
+ opp-microvolt = <750000>;
+ };
+ opp-1000000000 {
+ opp-microvolt = <775000>;
+ };
+ opp-1200000000 {
+ opp-microvolt = <775000>;
+ };
+ opp-1398000000 {
+ opp-microvolt = <800000>;
+ };
+ opp-1512000000 {
+ opp-microvolt = <825000>;
+ };
+ opp-1608000000 {
+ opp-microvolt = <862500>;
+ };
+ opp-1704000000 {
+ opp-microvolt = <900000>;
+ };
+ opp-1800000000 {
+ opp-microvolt = <987500>;
+ };
+ opp-1908000000 {
+ opp-microvolt = <1025000>;
+ };
+ opp-2016000000 {
+ opp-hz = /bits/ 64 <2016000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp-2100000000 {
+ opp-hz = /bits/ 64 <2100000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp-2208000000 {
+ opp-hz = /bits/ 64 <2208000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-2304000000 {
+ opp-hz = /bits/ 64 <2304000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-2400000000 {
+ opp-hz = /bits/ 64 <2400000000>;
+ opp-microvolt = <1050000>;
+ };
+};
+
+&i2c_AO {
+ status = "okay";
+ pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
+ pinctrl-names = "default";
+
+ rk818: pmic@1c {
+ compatible = "rockchip,rk818";
+ reg = <0x1c>;
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>; /* GPIOAO_7 */
+ rockchip,system-power-controller;
+ clock-output-names = "rk808-clkout1", "rk808-clkout2";
+
+ vcc1-supply = <&vdd_sys>;
+ vcc2-supply = <&vdd_sys>;
+ vcc3-supply = <&vdd_sys>;
+ vcc4-supply = <&vdd_sys>;
+ vcc6-supply = <&vdd_sys>;
+ vcc7-supply = <&vcc_2v3>;
+ vcc8-supply = <&vcc_2v3>;
+ vcc9-supply = <&vddao_3v3>;
+ boost-supply = <&vdd_sys>;
+ switch-supply = <&vdd_sys>;
+
+ regulators {
+ vddcpu_a: DCDC_REG1 {
+ regulator-name = "vddcpu_a";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-ramp-delay = <6001>;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <750000>;
+ };
+ };
+
+ vdd_ee: DCDC_REG2 {
+ regulator-name = "vdd_ee";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <875000>;
+ regulator-max-microvolt = <900000>;
+ regulator-ramp-delay = <6001>;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <875000>;
+ };
+ };
+
+ vddq_1v1: DCDC_REG3 {
+ regulator-name = "vddq_1v1";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vddao_3v3: DCDC_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vddao_3v3";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3000000>;
+ };
+ };
+
+ hp_5v: DCDC_BOOST {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "hp_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG2 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO2";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG3 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO3";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG4 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO4";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddio_ao1v8: LDO_REG5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vddio_ao1v8";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ LDO_REG6 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO6";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddq_1v8: LDO_REG7 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vddq_1v8";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ LDO_REG8 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO8";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddio_c: LDO_REG9 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vddio_c";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3300000>;
+ };
+ };
+
+ vcc_sd: SWITCH_REG {
+ regulator-name = "vcc_sd";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ rk818_otg_switch: OTG_SWITCH {
+ regulator-name = "otg_switch";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+
+ battery {
+ compatible = "rockchip,rk818-battery";
+
+ ocv_table = <
+ 3470 3599 3671 3701 3728 3746 3762
+ 3772 3781 3792 3816 3836 3866 3910
+ 3942 3971 4002 4050 4088 4132 4200>;
+ design_capacity = <4000>;
+ design_qmax = <4100>;
+ bat_res = <180>;
+ max_input_current = <2000>;
+ max_chrg_current = <1500>;
+ max_chrg_voltage = <4250>;
+ sleep_enter_current = <300>;
+ sleep_exit_current = <300>;
+ power_off_thresd = <3450>;
+ zero_algorithm_vol = <3700>;
+ fb_temperature = <105>;
+ sample_res = <10>;
+ max_soc_offset = <60>;
+ energy_mode = <0>;
+ monitor_sec = <5>;
+ virtual_power = <0>;
+ power_dc2otg = <0>;
+ otg5v_suspend_enable = <0>;
+ };
+
+ charger {
+ compatible = "rockchip,rk818-charger";
+ monitored-battery = <&bat>;
+ };
+
+ };
+};
+
+&i2c3 {
+ status = "okay";
+ pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+ pinctrl-names = "default";
+
+ rk817: pmic@20 {
+ compatible = "rockchip,rk817";
+ reg = <0x20>;
+ status = "okay";
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <5 IRQ_TYPE_LEVEL_LOW>; /* GPIOAO_5 */
+ wakeup-source;
+
+ vcc1-supply = <&vdd_sys>;
+ vcc2-supply = <&vdd_sys>;
+ vcc3-supply = <&vdd_sys>;
+ vcc4-supply = <&vdd_sys>;
+ vcc5-supply = <&vdd_sys>;
+ vcc6-supply = <&vdd_sys>;
+ vcc7-supply = <&vdd_sys>;
+ vcc8-supply = <&vdd_sys>;
+ vcc9-supply = <&rk817_boost>;
+
+ #sound-dai-cells = <0>;
+ clocks = <&codec_clk>;
+ clock-names = "mclk";
+
+ regulators {
+ DCDC_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk817_BUCK1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddcpu_b: DCDC_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <725000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-ramp-delay = <6001>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vddcpu_b";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1000000>;
+ };
+ };
+
+ vcc_2v3: DCDC_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <2300000>;
+ regulator-max-microvolt = <2400000>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vcc_2v3";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ DCDC_REG4 {
+ regulator-boot-off;
+ regulator-name = "rk817_BUCK4";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG2 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO2";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG3 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO3";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vdd_codec";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG5 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO5";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG6 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO6";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG7 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO7";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_lcd: LDO_REG8 {
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc_lcd";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG9 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO9";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ rk817_boost: BOOST {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5400000>;
+ regulator-name = "rk817_boost";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ usb_host: OTG_SWITCH {
+ regulator-name = "usb_host";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+
+ rk817_codec: codec {
+ rockchip,mic-in-differential;
+ };
+ };
+};
+
+&clkc_audio {
+ status = "okay";
+};
+
+&eth_phy {
+ status = "disabled";
+};
+
+&frddr_a {
+ status = "okay";
+};
+
+&frddr_b {
+ status = "okay";
+};
+
+&frddr_c {
+ status = "okay";
+};
+
+&toddr_a {
+ status = "okay";
+};
+
+&toddr_b {
+ status = "okay";
+};
+
+&toddr_c {
+ status = "okay";
+};
+
+&mipi_dsi {
+ status = "okay";
+
+ assigned-clocks = <&clkc CLKID_GP0_PLL>,
+ <&clkc CLKID_MIPI_DSI_PXCLK_SEL>,
+ <&clkc CLKID_MIPI_DSI_PXCLK>,
+ <&clkc CLKID_CTS_ENCL_SEL>,
+ <&clkc CLKID_VCLK2_SEL>;
+ assigned-clock-parents = <0>,
+ <&clkc CLKID_GP0_PLL>,
+ <0>,
+ <&clkc CLKID_VCLK2_DIV1>,
+ <&clkc CLKID_GP0_PLL>;
+ assigned-clock-rates = <344976000>,
+ <0>,
+ <344976000>,
+ <0>,
+ <0>;
+
+ panel@0 {
+ compatible = "elida,kd50t048a", "sitronix,st7701";
+ reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
+ IOVCC-supply = <&vcc_lcd>;
+ VCC-supply = <&vcc_lcd>;
+ backlight = <&panel_backlight>;
+ rotation = <270>;
+ reg = <0>;
+
+ port {
+ mipi_in_panel: endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+};
+
+&mipi_analog_dphy {
+ status = "okay";
+};
+
+&mipi_dphy {
+ status = "okay";
+};
+
+&mipi_dsi_panel_port {
+ mipi_out_panel: endpoint {
+ remote-endpoint = <&mipi_in_panel>;
+ };
+};
+
+&periphs_pinctrl {
+ keypad_gpio_pins: keypad-gpio {
+ mux {
+ groups = "GPIOX_0", "GPIOX_1", "GPIOX_2", "GPIOX_3",
+ "GPIOX_4", "GPIOX_5", "GPIOX_6", "GPIOX_7",
+ "GPIOX_8", "GPIOX_9", "GPIOX_10", "GPIOX_11",
+ "GPIOX_12", "GPIOX_13", "GPIOX_14", "GPIOX_15",
+ "GPIOX_16", "GPIOX_17", "GPIOX_18", "GPIOX_19";
+ function = "gpio_periphs";
+ bias-pull-up;
+ output-disable;
+ };
+ };
+};
+
+&pwm_ef {
+ status = "okay";
+ pinctrl-0 = <&pwm_f_h_pins>;
+ pinctrl-names = "default";
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_ao1v8>;
+};
+
+/* SD card */
+&sd_emmc_b {
+ status = "okay";
+ pinctrl-0 = <&sdcard_c_pins>;
+ pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <4>;
+ cap-sd-highspeed;
+ max-frequency = <50000000>;
+ disable-wp;
+
+ cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vddio_c>;
+
+};
+
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
+ pinctrl-1 = <&emmc_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ max-frequency = <200000000>;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vddio_ao1v8>;
+};
+
+
+&tdmif_b {
+ pinctrl-0 = <&mclk0_a_pins>, <&tdm_b_fs_pins>, <&tdm_b_sclk_pins>,
+ <&tdm_b_dout0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ assigned-clocks = <&clkc_audio AUD_CLKID_TDM_MCLK_PAD0>,
+ <&clkc_audio AUD_CLKID_TDM_SCLK_PAD1>,
+ <&clkc_audio AUD_CLKID_TDM_LRCLK_PAD1>;
+ assigned-clock-parents = <&clkc_audio AUD_CLKID_MST_B_MCLK>,
+ <&clkc_audio AUD_CLKID_MST_B_SCLK>,
+ <&clkc_audio AUD_CLKID_MST_B_LRCLK>;
+ assigned-clock-rates = <0>, <0>, <0>;
+};
+
+&tdmout_b {
+ status = "okay";
+};
+
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
+};
+
+&usb {
+ status = "okay";
+ dr_mode = "peripheral";
+};
+
+&usb2_phy0 {
+ status = "okay";
+};
+
+&usb2_phy1 {
+ status = "okay";
+ phy-supply = <&usb_host>;
+};
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-powkiddy-rgb10-max-3.dts linux/arch/arm64/boot/dts/amlogic/meson-g12b-powkiddy-rgb10-max-3.dts
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-powkiddy-rgb10-max-3.dts 1970-01-01 00:00:00.000000000 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-powkiddy-rgb10-max-3.dts 2023-09-12 12:04:13.567330573 +0000
@@ -0,0 +1,995 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Neil Armstrong <narmstrong@kernel.org>
+ * Copyright (C) 2023 BrooksyTech (https://github.com/brooksytech)
+ */
+
+/dts-v1/;
+
+#include "meson-g12b-a311d.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-toacodec.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+ compatible = "powkiddy,rgb10-max-3", "amlogic,s922x", "amlogic,g12b";
+ model = "Powkiddy RGB10 MAX 3";
+
+ aliases {
+ serial0 = &uart_AO;
+ rtc0 = &vrtc;
+ mmc0 = &sd_emmc_c;
+ mmc1 = &sd_emmc_b;
+ };
+
+ panel_backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm_ef 1 40000 0>;
+ brightness-levels = <0 255>;
+ num-interpolated-steps = <255>;
+ default-brightness-level = <255>;
+ };
+
+ bat: battery {
+ compatible = "simple-battery";
+ voltage-max-design-microvolt = <4200000>;
+ voltage-min-design-microvolt = <3500000>;
+ charge-full-design-microamp-hours = <4000000>;
+ charge-term-current-microamp = <200000>;
+ constant-charge-current-max-microamp = <1500000>;
+ constant-charge-voltage-max-microvolt = <4200000>;
+ factory-internal-resistance-micro-ohms = <180000>;
+
+
+ ocv-capacity-celsius = <20>;
+ ocv-capacity-table-0 = <4146950 100>, <4001920 95>, <3967900 90>, <3919950 85>,
+ <3888450 80>, <3861850 75>, <3831540 70>, <3799130 65>,
+ <3768190 60>, <3745650 55>, <3726610 50>, <3711630 45>,
+ <3696720 40>, <3685660 35>, <3674950 30>, <3663050 25>,
+ <3649470 20>, <3635260 15>, <3616920 10>, <3592440 5>,
+ <3574170 0>;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ codec_clk: codec-clk {
+ compatible = "fixed-clock";
+ clock-frequency = <12288000>;
+ clock-output-names = "codec_clk";
+ #clock-cells = <0>;
+ };
+
+ gpio_keys: volume-keys {
+ compatible = "gpio-keys-polled";
+ poll-interval = <5>;
+ autorepeat;
+
+ volume-up-button {
+ label = "VOLUME-UP";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpio GPIOX_8 GPIO_ACTIVE_LOW>;
+ };
+ volume-down-button {
+ label = "VOLUME-DOWN";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpio GPIOX_9 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ joypad: gou_joypad {
+ compatible = "odroidgou-joypad";
+ poll-interval = <10>;
+ pinctrl-0 = <&keypad_gpio_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ joypad-name = "GO-Ultra Gamepad";
+ //joypad-vendor = <0x045e>;
+ joypad-product = <0x1000>;
+ joypad-revision = <0x0100>;
+
+ /* Analog sticks */
+
+ io-channels = <&saradc 0>, <&saradc 1>, <&saradc 2>, <&saradc 3>;
+ io-channel-names = "key-RY", "key-RX", "key-LY", "key-LX";
+ button-adc-scale = <4>;
+ button-adc-deadzone = <400>;
+ button-adc-fuzz = <64>;
+ button-adc-flat = <32>;
+ abs_x-p-tuning = <350>;
+ abs_x-n-tuning = <350>;
+ abs_y-p-tuning = <350>;
+ abs_y-n-tuning = <350>;
+ abs_rx-p-tuning = <350>;
+ abs_rx-n-tuning = <350>;
+ abs_ry-p-tuning = <350>;
+ abs_ry-n-tuning = <350>;
+
+ /* Buttons */
+ sw1 {
+ gpios = <&gpio GPIOX_0 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-UP";
+ linux,code = <BTN_DPAD_UP>; // 0x220
+ };
+ sw2 {
+ gpios = <&gpio GPIOX_1 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-DOWN";
+ linux,code = <BTN_DPAD_DOWN>; // 0x221
+ };
+ sw3 {
+ gpios = <&gpio GPIOX_2 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-LEFT";
+ linux,code = <BTN_DPAD_LEFT>; // 0x222
+ };
+ sw4 {
+ gpios = <&gpio GPIOX_3 GPIO_ACTIVE_LOW>;
+ label = "GPIO DPAD-RIGHT";
+ linux,code = <BTN_DPAD_RIGHT>; // 0x223
+ };
+ sw5 {
+ gpios = <&gpio GPIOX_4 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-A";
+ linux,code = <BTN_EAST>; // 0x131
+ };
+ sw6 {
+ gpios = <&gpio GPIOX_5 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-B";
+ linux,code = <BTN_SOUTH>; // 0x130
+ };
+ sw7 {
+ gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-Y";
+ linux,code = <BTN_WEST>; // 0x134
+ };
+ sw8 {
+ gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;
+ label = "GPIO BTN-X";
+ linux,code = <BTN_NORTH>; // 0x133
+ };
+ sw11 {
+ gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
+ label = "GPIO F2";
+ linux,code = <BTN_TRIGGER_HAPPY2>; // 0x2c2
+ };
+ sw12 {
+ gpios = <&gpio GPIOX_17 GPIO_ACTIVE_LOW>;
+ label = "GPIO F3";
+ linux,code = <BTN_TRIGGER_HAPPY3>; // 0x2c3
+ };
+ sw13 {
+ gpios = <&gpio GPIOX_16 GPIO_ACTIVE_LOW>;
+ label = "GPIO F4";
+ linux,code = <BTN_TRIGGER_HAPPY4>; // 0x2c4
+ };
+ sw14 {
+ gpios = <&gpio GPIOX_11 GPIO_ACTIVE_LOW>;
+ label = "GPIO F5";
+ linux,code = <BTN_TRIGGER_HAPPY5>; // 0x13c
+ };
+ sw15 {
+ gpios = <&gpio GPIOX_14 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-LEFT";
+ linux,code = <BTN_TL>; // 0x02
+ };
+ sw16 {
+ gpios = <&gpio GPIOX_15 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-RIGHT";
+ linux,code = <BTN_TR>; // 0x05
+ };
+ sw17 {
+ gpios = <&gpio GPIOX_13 GPIO_ACTIVE_LOW>;
+ label = "GPIO F6";
+ linux,code = <BTN_TRIGGER_HAPPY6>;
+ };
+ sw18 {
+ gpios = <&gpio GPIOX_12 GPIO_ACTIVE_LOW>;
+ label = "GPIO F1";
+ linux,code = <BTN_TRIGGER_HAPPY1>;
+ };
+ sw19 {
+ gpios = <&gpio GPIOX_18 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-RIGHT2";
+ linux,code = <BTN_TR2>;
+ };
+ sw20 {
+ gpios = <&gpio GPIOX_19 GPIO_ACTIVE_LOW>;
+ label = "GPIO TOP-LEFT2";
+ linux,code = <BTN_TL2>;
+ };
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x40000000>;
+ };
+
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-blue {
+ color = <LED_COLOR_ID_BLUE>;
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ led-red {
+ color = <LED_COLOR_ID_RED>;
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ poweroff {
+ compatible = "hardkernel,odroid-go-ultra-poweroff";
+ hardkernel,rk817-pmic = <&rk817>;
+ hardkernel,rk818-pmic = <&rk818>;
+ };
+
+ vdd_sys: regulator-vdd_sys {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_SYS";
+ regulator-min-microvolt = <3800000>;
+ regulator-max-microvolt = <3800000>;
+ regulator-always-on;
+ };
+
+ sound {
+ compatible = "amlogic,axg-sound-card";
+ model = "RGB10-MAX3";
+ audio-aux-devs = <&tdmout_b>;
+ audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+ "TDM_B Playback", "TDMOUT_B OUT";
+
+ assigned-clocks = <&clkc CLKID_MPLL2>,
+ <&clkc CLKID_MPLL0>,
+ <&clkc CLKID_MPLL1>;
+ assigned-clock-parents = <0>, <0>, <0>;
+ assigned-clock-rates = <294912000>,
+ <270950400>,
+ <393216000>;
+ status = "okay";
+
+ dai-link-0 {
+ sound-dai = <&frddr_a>;
+ };
+
+ dai-link-1 {
+ sound-dai = <&frddr_b>;
+ };
+
+ dai-link-2 {
+ sound-dai = <&frddr_c>;
+ };
+
+ dai-link-3 {
+ sound-dai = <&toddr_a>;
+ };
+
+ dai-link-4 {
+ sound-dai = <&toddr_b>;
+ };
+
+ dai-link-5 {
+ sound-dai = <&toddr_c>;
+ };
+
+ /* 8ch hdmi interface */
+ dai-link-6 {
+ sound-dai = <&tdmif_b>;
+ dai-format = "i2s";
+ dai-tdm-slot-tx-mask-0 = <1 1>;
+ dai-tdm-slot-tx-mask-1 = <1 1>;
+ mclk-fs = <256>;
+
+ codec-0 {
+ sound-dai = <&rk817>;
+ };
+ };
+ };
+};
+
+&arb {
+ status = "okay";
+};
+
+&cpu0 {
+ cpu-supply = <&vddcpu_b>;
+ operating-points-v2 = <&cpu_opp_table_0>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu1 {
+ cpu-supply = <&vddcpu_b>;
+ operating-points-v2 = <&cpu_opp_table_0>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu100 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu101 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu102 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu103 {
+ cpu-supply = <&vddcpu_a>;
+ operating-points-v2 = <&cpub_opp_table_1>;
+ clocks = <&clkc CLKID_CPUB_CLK>;
+ clock-latency = <50000>;
+};
+
+/* RK817 only supports 12.5mV steps, round up the values */
+&cpu_opp_table_0 {
+ opp-667000000 {
+ opp-microvolt = <731250>;
+ };
+ opp-1000000000 {
+ opp-microvolt = <760000>;
+ };
+ opp-1200000000 {
+ opp-microvolt = <780000>;
+ };
+ opp-1398000000 {
+ opp-microvolt = <800000>;
+ };
+ opp-1512000000 {
+ opp-microvolt = <860000>;
+ };
+ opp-1608000000 {
+ opp-microvolt = <900000>;
+ };
+ opp-1704000000 {
+ opp-microvolt = <950000>;
+ };
+ opp-1800000000 {
+ opp-microvolt = <1000000>;
+ };
+};
+
+/* RK818 only supports 12.5mV steps, round up the values */
+&cpub_opp_table_1 {
+ opp-667000000 {
+ opp-microvolt = <750000>;
+ };
+ opp-1000000000 {
+ opp-microvolt = <775000>;
+ };
+ opp-1200000000 {
+ opp-microvolt = <775000>;
+ };
+ opp-1398000000 {
+ opp-microvolt = <800000>;
+ };
+ opp-1512000000 {
+ opp-microvolt = <825000>;
+ };
+ opp-1608000000 {
+ opp-microvolt = <862500>;
+ };
+ opp-1704000000 {
+ opp-microvolt = <900000>;
+ };
+ opp-1800000000 {
+ opp-microvolt = <987500>;
+ };
+ opp-1908000000 {
+ opp-microvolt = <1025000>;
+ };
+ opp-2016000000 {
+ opp-hz = /bits/ 64 <2016000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp-2100000000 {
+ opp-hz = /bits/ 64 <2100000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp-2208000000 {
+ opp-hz = /bits/ 64 <2208000000>;
+ opp-microvolt = <1050000>;
+ };
+};
+
+&i2c_AO {
+ status = "okay";
+ pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
+ pinctrl-names = "default";
+
+ rk818: pmic@1c {
+ compatible = "rockchip,rk818";
+ reg = <0x1c>;
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>; /* GPIOAO_7 */
+ rockchip,system-power-controller;
+ clock-output-names = "rk808-clkout1", "rk808-clkout2";
+
+ vcc1-supply = <&vdd_sys>;
+ vcc2-supply = <&vdd_sys>;
+ vcc3-supply = <&vdd_sys>;
+ vcc4-supply = <&vdd_sys>;
+ vcc6-supply = <&vdd_sys>;
+ vcc7-supply = <&vcc_2v3>;
+ vcc8-supply = <&vcc_2v3>;
+ vcc9-supply = <&vddao_3v3>;
+ boost-supply = <&vdd_sys>;
+ switch-supply = <&vdd_sys>;
+
+ regulators {
+ vddcpu_a: DCDC_REG1 {
+ regulator-name = "vddcpu_a";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-ramp-delay = <6001>;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <750000>;
+ };
+ };
+
+ vdd_ee: DCDC_REG2 {
+ regulator-name = "vdd_ee";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <875000>;
+ regulator-max-microvolt = <900000>;
+ regulator-ramp-delay = <6001>;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <875000>;
+ };
+ };
+
+ vddq_1v1: DCDC_REG3 {
+ regulator-name = "vddq_1v1";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vddao_3v3: DCDC_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vddao_3v3";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3000000>;
+ };
+ };
+
+ hp_5v: DCDC_BOOST {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "hp_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG2 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO2";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG3 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO3";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG4 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO4";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddio_ao1v8: LDO_REG5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vddio_ao1v8";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ LDO_REG6 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO6";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddq_1v8: LDO_REG7 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vddq_1v8";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ LDO_REG8 {
+ regulator-boot-off;
+ regulator-name = "rk818_LDO8";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddio_c: LDO_REG9 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vddio_c";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3300000>;
+ };
+ };
+
+ vcc_sd: SWITCH_REG {
+ regulator-name = "vcc_sd";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ rk818_otg_switch: OTG_SWITCH {
+ regulator-name = "otg_switch";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+
+ battery {
+ compatible = "rockchip,rk818-battery";
+
+ ocv_table = <
+ 3470 3599 3671 3701 3728 3746 3762
+ 3772 3781 3792 3816 3836 3866 3910
+ 3942 3971 4002 4050 4088 4132 4200>;
+ design_capacity = <4000>;
+ design_qmax = <4100>;
+ bat_res = <180>;
+ max_input_current = <2000>;
+ max_chrg_current = <1500>;
+ max_chrg_voltage = <4250>;
+ sleep_enter_current = <300>;
+ sleep_exit_current = <300>;
+ power_off_thresd = <3450>;
+ zero_algorithm_vol = <3700>;
+ fb_temperature = <105>;
+ sample_res = <10>;
+ max_soc_offset = <60>;
+ energy_mode = <0>;
+ monitor_sec = <5>;
+ virtual_power = <0>;
+ power_dc2otg = <0>;
+ otg5v_suspend_enable = <0>;
+ };
+
+ charger {
+ compatible = "rockchip,rk818-charger";
+ monitored-battery = <&bat>;
+ };
+
+ };
+};
+
+&i2c3 {
+ status = "okay";
+ pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+ pinctrl-names = "default";
+
+ rk817: pmic@20 {
+ compatible = "rockchip,rk817";
+ reg = <0x20>;
+ status = "okay";
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <5 IRQ_TYPE_LEVEL_LOW>; /* GPIOAO_5 */
+ wakeup-source;
+
+ vcc1-supply = <&vdd_sys>;
+ vcc2-supply = <&vdd_sys>;
+ vcc3-supply = <&vdd_sys>;
+ vcc4-supply = <&vdd_sys>;
+ vcc5-supply = <&vdd_sys>;
+ vcc6-supply = <&vdd_sys>;
+ vcc7-supply = <&vdd_sys>;
+ vcc8-supply = <&vdd_sys>;
+ vcc9-supply = <&rk817_boost>;
+
+ #sound-dai-cells = <0>;
+ clocks = <&codec_clk>;
+ clock-names = "mclk";
+
+ regulators {
+ DCDC_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk817_BUCK1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vddcpu_b: DCDC_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <725000>;
+ regulator-max-microvolt = <1050000>;
+ regulator-ramp-delay = <6001>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vddcpu_b";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1000000>;
+ };
+ };
+
+ vcc_2v3: DCDC_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <2300000>;
+ regulator-max-microvolt = <2400000>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vcc_2v3";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ DCDC_REG4 {
+ regulator-boot-off;
+ regulator-name = "rk817_BUCK4";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG1 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO1";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG2 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO2";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG3 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO3";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vdd_codec";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG5 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO5";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG6 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO6";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG7 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO7";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_lcd: LDO_REG8 {
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc_lcd";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO_REG9 {
+ regulator-boot-off;
+ regulator-name = "rk817_LDO9";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ rk817_boost: BOOST {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5400000>;
+ regulator-name = "rk817_boost";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ usb_host: OTG_SWITCH {
+ regulator-name = "usb_host";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+
+ rk817_codec: codec {
+ rockchip,mic-in-differential;
+ };
+ };
+};
+
+&clkc_audio {
+ status = "okay";
+};
+
+&eth_phy {
+ status = "disabled";
+};
+
+&frddr_a {
+ status = "okay";
+};
+
+&frddr_b {
+ status = "okay";
+};
+
+&frddr_c {
+ status = "okay";
+};
+
+&toddr_a {
+ status = "okay";
+};
+
+&toddr_b {
+ status = "okay";
+};
+
+&toddr_c {
+ status = "okay";
+};
+
+&mipi_dsi {
+ status = "okay";
+
+ assigned-clocks = <&clkc CLKID_GP0_PLL>,
+ <&clkc CLKID_MIPI_DSI_PXCLK_SEL>,
+ <&clkc CLKID_MIPI_DSI_PXCLK>,
+ <&clkc CLKID_CTS_ENCL_SEL>,
+ <&clkc CLKID_VCLK2_SEL>;
+ assigned-clock-parents = <0>,
+ <&clkc CLKID_GP0_PLL>,
+ <0>,
+ <&clkc CLKID_VCLK2_DIV1>,
+ <&clkc CLKID_GP0_PLL>;
+ assigned-clock-rates = <344976000>,
+ <0>,
+ <344976000>,
+ <0>,
+ <0>;
+
+ panel@0 {
+ compatible = "elida,kd50t048a", "sitronix,st7701";
+ reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
+ IOVCC-supply = <&vcc_lcd>;
+ VCC-supply = <&vcc_lcd>;
+ backlight = <&panel_backlight>;
+ rotation = <270>;
+ reg = <0>;
+
+ port {
+ mipi_in_panel: endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+};
+
+&mipi_analog_dphy {
+ status = "okay";
+};
+
+&mipi_dphy {
+ status = "okay";
+};
+
+&mipi_dsi_panel_port {
+ mipi_out_panel: endpoint {
+ remote-endpoint = <&mipi_in_panel>;
+ };
+};
+
+&periphs_pinctrl {
+ keypad_gpio_pins: keypad-gpio {
+ mux {
+ groups = "GPIOX_0", "GPIOX_1", "GPIOX_2", "GPIOX_3",
+ "GPIOX_4", "GPIOX_5", "GPIOX_6", "GPIOX_7",
+ "GPIOX_8", "GPIOX_9", "GPIOX_10", "GPIOX_11",
+ "GPIOX_12", "GPIOX_13", "GPIOX_14", "GPIOX_15",
+ "GPIOX_16", "GPIOX_17", "GPIOX_18", "GPIOX_19";
+ function = "gpio_periphs";
+ bias-pull-up;
+ output-disable;
+ };
+ };
+};
+
+&pwm_ef {
+ status = "okay";
+ pinctrl-0 = <&pwm_f_h_pins>;
+ pinctrl-names = "default";
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_ao1v8>;
+};
+
+/* SD card */
+&sd_emmc_b {
+ status = "okay";
+ pinctrl-0 = <&sdcard_c_pins>;
+ pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <4>;
+ cap-sd-highspeed;
+ max-frequency = <50000000>;
+ disable-wp;
+
+ cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vddio_c>;
+
+};
+
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
+ pinctrl-1 = <&emmc_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ max-frequency = <200000000>;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vddio_ao1v8>;
+};
+
+
+&tdmif_b {
+ pinctrl-0 = <&mclk0_a_pins>, <&tdm_b_fs_pins>, <&tdm_b_sclk_pins>,
+ <&tdm_b_dout0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ assigned-clocks = <&clkc_audio AUD_CLKID_TDM_MCLK_PAD0>,
+ <&clkc_audio AUD_CLKID_TDM_SCLK_PAD1>,
+ <&clkc_audio AUD_CLKID_TDM_LRCLK_PAD1>;
+ assigned-clock-parents = <&clkc_audio AUD_CLKID_MST_B_MCLK>,
+ <&clkc_audio AUD_CLKID_MST_B_SCLK>,
+ <&clkc_audio AUD_CLKID_MST_B_LRCLK>;
+ assigned-clock-rates = <0>, <0>, <0>;
+};
+
+&tdmout_b {
+ status = "okay";
+};
+
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
+};
+
+&usb {
+ status = "okay";
+ dr_mode = "peripheral";
+};
+
+&usb2_phy0 {
+ status = "okay";
+};
+
+&usb2_phy1 {
+ status = "okay";
+ phy-supply = <&usb_host>;
+};
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi 2023-09-12 12:02:56.937601871 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi 2023-09-12 12:03:27.490291628 +0000
@@ -11,6 +11,11 @@
compatible = "operating-points-v2";
opp-shared;
+ opp-667000000 {
+ opp-hz = /bits/ 64 <667000000>;
+ opp-microvolt = <731000>;
+ };
+
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <731000>;
@@ -56,6 +61,11 @@
compatible = "operating-points-v2";
opp-shared;
+ opp-667000000 {
+ opp-hz = /bits/ 64 <667000000>;
+ opp-microvolt = <751000>;
+ };
+
opp-1000000000 {
opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <771000>;
diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi 2023-09-12 12:02:56.937601871 +0000
+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi 2023-09-12 12:03:27.490291628 +0000
@@ -105,6 +105,8 @@
l2: l2-cache0 {
compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
};
};
};
@@ -137,5 +139,6 @@
};
&mali {
- dma-coherent;
+ system-coherency = <0>;
+ power_policy = "always_on";
};
diff -rupN linux.orig/drivers/gpu/drm/drm_panel_orientation_quirks.c linux/drivers/gpu/drm/drm_panel_orientation_quirks.c
--- linux.orig/drivers/gpu/drm/drm_panel_orientation_quirks.c 2023-09-12 12:02:57.953624819 +0000
+++ linux/drivers/gpu/drm/drm_panel_orientation_quirks.c 2023-09-12 12:03:27.490291628 +0000
@@ -461,7 +461,7 @@ EXPORT_SYMBOL(drm_get_panel_orientation_
/* There are no quirks for non x86 devices yet */
int drm_get_panel_orientation_quirk(int width, int height)
{
- return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
+ return DRM_MODE_PANEL_ORIENTATION_LEFT_UP;
}
EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
diff -rupN linux.orig/drivers/input/Kconfig linux/drivers/input/Kconfig
--- linux.orig/drivers/input/Kconfig 2023-09-12 12:02:58.173629790 +0000
+++ linux/drivers/input/Kconfig 2023-09-12 12:03:27.490291628 +0000
@@ -51,6 +51,19 @@ config INPUT_FF_MEMLESS
To compile this driver as a module, choose M here: the
module will be called ff-memless.
+config INPUT_POLLDEV
+ tristate "Polled input device skeleton"
+ help
+ Say Y here if you are using a driver for an input
+ device that periodically polls hardware state. This
+ option is only useful for out-of-tree drivers since
+ in-tree drivers select it automatically.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called input-polldev.
+
config INPUT_SPARSEKMAP
tristate "Sparse keymap support library"
help
diff -rupN linux.orig/drivers/input/Makefile linux/drivers/input/Makefile
--- linux.orig/drivers/input/Makefile 2023-09-12 12:02:58.173629790 +0000
+++ linux/drivers/input/Makefile 2023-09-12 12:03:27.490291628 +0000
@@ -10,6 +10,7 @@ input-core-y := input.o input-compat.o i
input-core-y += touchscreen.o
obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o
+obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o
obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o
obj-$(CONFIG_INPUT_MATRIXKMAP) += matrix-keymap.o
obj-$(CONFIG_INPUT_VIVALDIFMAP) += vivaldi-fmap.o
diff -rupN linux.orig/drivers/input/input-polldev.c linux/drivers/input/input-polldev.c
--- linux.orig/drivers/input/input-polldev.c 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/input/input-polldev.c 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,362 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Generic implementation of a polled input device
+
+ * Copyright (c) 2007 Dmitry Torokhov
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/jiffies.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+#include <linux/module.h>
+#include <linux/input-polldev.h>
+
+MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
+MODULE_DESCRIPTION("Generic implementation of a polled input device");
+MODULE_LICENSE("GPL v2");
+
+static void input_polldev_queue_work(struct input_polled_dev *dev)
+{
+ unsigned long delay;
+
+ delay = msecs_to_jiffies(dev->poll_interval);
+ if (delay >= HZ)
+ delay = round_jiffies_relative(delay);
+
+ queue_delayed_work(system_freezable_wq, &dev->work, delay);
+}
+
+static void input_polled_device_work(struct work_struct *work)
+{
+ struct input_polled_dev *dev =
+ container_of(work, struct input_polled_dev, work.work);
+
+ dev->poll(dev);
+ input_polldev_queue_work(dev);
+}
+
+static int input_open_polled_device(struct input_dev *input)
+{
+ struct input_polled_dev *dev = input_get_drvdata(input);
+
+ if (dev->open)
+ dev->open(dev);
+
+ /* Only start polling if polling is enabled */
+ if (dev->poll_interval > 0) {
+ dev->poll(dev);
+ input_polldev_queue_work(dev);
+ }
+
+ return 0;
+}
+
+static void input_close_polled_device(struct input_dev *input)
+{
+ struct input_polled_dev *dev = input_get_drvdata(input);
+
+ cancel_delayed_work_sync(&dev->work);
+
+ if (dev->close)
+ dev->close(dev);
+}
+
+/* SYSFS interface */
+
+static ssize_t input_polldev_get_poll(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct input_polled_dev *polldev = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", polldev->poll_interval);
+}
+
+static ssize_t input_polldev_set_poll(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
+{
+ struct input_polled_dev *polldev = dev_get_drvdata(dev);
+ struct input_dev *input = polldev->input;
+ unsigned int interval;
+ int err;
+
+ err = kstrtouint(buf, 0, &interval);
+ if (err)
+ return err;
+
+ if (interval < polldev->poll_interval_min)
+ return -EINVAL;
+
+ if (interval > polldev->poll_interval_max)
+ return -EINVAL;
+
+ mutex_lock(&input->mutex);
+
+ polldev->poll_interval = interval;
+
+ if (input->users) {
+ cancel_delayed_work_sync(&polldev->work);
+ if (polldev->poll_interval > 0)
+ input_polldev_queue_work(polldev);
+ }
+
+ mutex_unlock(&input->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(poll, S_IRUGO | S_IWUSR, input_polldev_get_poll,
+ input_polldev_set_poll);
+
+
+static ssize_t input_polldev_get_max(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct input_polled_dev *polldev = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", polldev->poll_interval_max);
+}
+
+static DEVICE_ATTR(max, S_IRUGO, input_polldev_get_max, NULL);
+
+static ssize_t input_polldev_get_min(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct input_polled_dev *polldev = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", polldev->poll_interval_min);
+}
+
+static DEVICE_ATTR(min, S_IRUGO, input_polldev_get_min, NULL);
+
+static struct attribute *sysfs_attrs[] = {
+ &dev_attr_poll.attr,
+ &dev_attr_max.attr,
+ &dev_attr_min.attr,
+ NULL
+};
+
+static struct attribute_group input_polldev_attribute_group = {
+ .attrs = sysfs_attrs
+};
+
+static const struct attribute_group *input_polldev_attribute_groups[] = {
+ &input_polldev_attribute_group,
+ NULL
+};
+
+/**
+ * input_allocate_polled_device - allocate memory for polled device
+ *
+ * The function allocates memory for a polled device and also
+ * for an input device associated with this polled device.
+ */
+struct input_polled_dev *input_allocate_polled_device(void)
+{
+ struct input_polled_dev *dev;
+
+ dev = kzalloc(sizeof(struct input_polled_dev), GFP_KERNEL);
+ if (!dev)
+ return NULL;
+
+ dev->input = input_allocate_device();
+ if (!dev->input) {
+ kfree(dev);
+ return NULL;
+ }
+
+ return dev;
+}
+EXPORT_SYMBOL(input_allocate_polled_device);
+
+struct input_polled_devres {
+ struct input_polled_dev *polldev;
+};
+
+static int devm_input_polldev_match(struct device *dev, void *res, void *data)
+{
+ struct input_polled_devres *devres = res;
+
+ return devres->polldev == data;
+}
+
+static void devm_input_polldev_release(struct device *dev, void *res)
+{
+ struct input_polled_devres *devres = res;
+ struct input_polled_dev *polldev = devres->polldev;
+
+ dev_dbg(dev, "%s: dropping reference/freeing %s\n",
+ __func__, dev_name(&polldev->input->dev));
+
+ input_put_device(polldev->input);
+ kfree(polldev);
+}
+
+static void devm_input_polldev_unregister(struct device *dev, void *res)
+{
+ struct input_polled_devres *devres = res;
+ struct input_polled_dev *polldev = devres->polldev;
+
+ dev_dbg(dev, "%s: unregistering device %s\n",
+ __func__, dev_name(&polldev->input->dev));
+ input_unregister_device(polldev->input);
+
+ /*
+ * Note that we are still holding extra reference to the input
+ * device so it will stick around until devm_input_polldev_release()
+ * is called.
+ */
+}
+
+/**
+ * devm_input_allocate_polled_device - allocate managed polled device
+ * @dev: device owning the polled device being created
+ *
+ * Returns prepared &struct input_polled_dev or %NULL.
+ *
+ * Managed polled input devices do not need to be explicitly unregistered
+ * or freed as it will be done automatically when owner device unbinds
+ * from * its driver (or binding fails). Once such managed polled device
+ * is allocated, it is ready to be set up and registered in the same
+ * fashion as regular polled input devices (using
+ * input_register_polled_device() function).
+ *
+ * If you want to manually unregister and free such managed polled devices,
+ * it can be still done by calling input_unregister_polled_device() and
+ * input_free_polled_device(), although it is rarely needed.
+ *
+ * NOTE: the owner device is set up as parent of input device and users
+ * should not override it.
+ */
+struct input_polled_dev *devm_input_allocate_polled_device(struct device *dev)
+{
+ struct input_polled_dev *polldev;
+ struct input_polled_devres *devres;
+
+ devres = devres_alloc(devm_input_polldev_release, sizeof(*devres),
+ GFP_KERNEL);
+ if (!devres)
+ return NULL;
+
+ polldev = input_allocate_polled_device();
+ if (!polldev) {
+ devres_free(devres);
+ return NULL;
+ }
+
+ polldev->input->dev.parent = dev;
+ polldev->devres_managed = true;
+
+ devres->polldev = polldev;
+ devres_add(dev, devres);
+
+ return polldev;
+}
+EXPORT_SYMBOL(devm_input_allocate_polled_device);
+
+/**
+ * input_free_polled_device - free memory allocated for polled device
+ * @dev: device to free
+ *
+ * The function frees memory allocated for polling device and drops
+ * reference to the associated input device.
+ */
+void input_free_polled_device(struct input_polled_dev *dev)
+{
+ if (dev) {
+ if (dev->devres_managed)
+ WARN_ON(devres_destroy(dev->input->dev.parent,
+ devm_input_polldev_release,
+ devm_input_polldev_match,
+ dev));
+ input_put_device(dev->input);
+ kfree(dev);
+ }
+}
+EXPORT_SYMBOL(input_free_polled_device);
+
+/**
+ * input_register_polled_device - register polled device
+ * @dev: device to register
+ *
+ * The function registers previously initialized polled input device
+ * with input layer. The device should be allocated with call to
+ * input_allocate_polled_device(). Callers should also set up poll()
+ * method and set up capabilities (id, name, phys, bits) of the
+ * corresponding input_dev structure.
+ */
+int input_register_polled_device(struct input_polled_dev *dev)
+{
+ struct input_polled_devres *devres = NULL;
+ struct input_dev *input = dev->input;
+ int error;
+
+ if (dev->devres_managed) {
+ devres = devres_alloc(devm_input_polldev_unregister,
+ sizeof(*devres), GFP_KERNEL);
+ if (!devres)
+ return -ENOMEM;
+
+ devres->polldev = dev;
+ }
+
+ input_set_drvdata(input, dev);
+ INIT_DELAYED_WORK(&dev->work, input_polled_device_work);
+
+ if (!dev->poll_interval)
+ dev->poll_interval = 500;
+ if (!dev->poll_interval_max)
+ dev->poll_interval_max = dev->poll_interval;
+
+ input->open = input_open_polled_device;
+ input->close = input_close_polled_device;
+
+ input->dev.groups = input_polldev_attribute_groups;
+
+ error = input_register_device(input);
+ if (error) {
+ devres_free(devres);
+ return error;
+ }
+
+ /*
+ * Take extra reference to the underlying input device so
+ * that it survives call to input_unregister_polled_device()
+ * and is deleted only after input_free_polled_device()
+ * has been invoked. This is needed to ease task of freeing
+ * sparse keymaps.
+ */
+ input_get_device(input);
+
+ if (dev->devres_managed) {
+ dev_dbg(input->dev.parent, "%s: registering %s with devres.\n",
+ __func__, dev_name(&input->dev));
+ devres_add(input->dev.parent, devres);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(input_register_polled_device);
+
+/**
+ * input_unregister_polled_device - unregister polled device
+ * @dev: device to unregister
+ *
+ * The function unregisters previously registered polled input
+ * device from input layer. Polling is stopped and device is
+ * ready to be freed with call to input_free_polled_device().
+ */
+void input_unregister_polled_device(struct input_polled_dev *dev)
+{
+ if (dev->devres_managed)
+ WARN_ON(devres_destroy(dev->input->dev.parent,
+ devm_input_polldev_unregister,
+ devm_input_polldev_match,
+ dev));
+
+ input_unregister_device(dev->input);
+}
+EXPORT_SYMBOL(input_unregister_polled_device);
diff -rupN linux.orig/drivers/input/joystick/Kconfig linux/drivers/input/joystick/Kconfig
--- linux.orig/drivers/input/joystick/Kconfig 2023-09-12 12:02:58.173629790 +0000
+++ linux/drivers/input/joystick/Kconfig 2023-09-12 12:03:27.490291628 +0000
@@ -344,6 +344,12 @@ config JOYSTICK_MAPLE
To compile this as a module choose M here: the module will be called
maplecontrol.
+config JOYSTICK_ODROID_GOU
+ tristate "ODROID-Go-Ultra joypad driver"
+ depends on INPUT_POLLDEV
+ help
+ Made for ODROID-GO-Ultra.
+
config JOYSTICK_PSXPAD_SPI
tristate "PlayStation 1/2 joypads via SPI interface"
depends on SPI
diff -rupN linux.orig/drivers/input/joystick/Makefile linux/drivers/input/joystick/Makefile
--- linux.orig/drivers/input/joystick/Makefile 2023-09-12 12:02:58.173629790 +0000
+++ linux/drivers/input/joystick/Makefile 2023-09-12 12:03:27.490291628 +0000
@@ -25,6 +25,7 @@ obj-$(CONFIG_JOYSTICK_JOYDUMP) += joydu
obj-$(CONFIG_JOYSTICK_MAGELLAN) += magellan.o
obj-$(CONFIG_JOYSTICK_MAPLE) += maplecontrol.o
obj-$(CONFIG_JOYSTICK_N64) += n64joy.o
+obj-$(CONFIG_JOYSTICK_ODROID_GOU) += odroid-gou-joypad.o
obj-$(CONFIG_JOYSTICK_PSXPAD_SPI) += psxpad-spi.o
obj-$(CONFIG_JOYSTICK_PXRC) += pxrc.o
obj-$(CONFIG_JOYSTICK_QWIIC) += qwiic-joystick.o
diff -rupN linux.orig/drivers/input/joystick/amlogic-saradc.h linux/drivers/input/joystick/amlogic-saradc.h
--- linux.orig/drivers/input/joystick/amlogic-saradc.h 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/input/joystick/amlogic-saradc.h 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,32 @@
+/*
+ * include/dt-bindings/iio/adc/amlogic-saradc.h
+ *
+ * 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.
+ *
+ */
+
+#ifndef _DT_BINDINGS_IIO_ADC_AMLOGIC_H
+#define _DT_BINDINGS_IIO_ADC_AMLOGIC_H
+
+#define SARADC_CH0 0
+#define SARADC_CH1 1
+#define SARADC_CH2 2
+#define SARADC_CH3 3
+#define SARADC_CH4 4
+#define SARADC_CH5 5
+#define SARADC_CH6 6
+#define SARADC_CH7 7
+
+#define SARADC_CH_NUM 8
+
+#endif
diff -rupN linux.orig/drivers/input/joystick/odroid-gou-joypad.c linux/drivers/input/joystick/odroid-gou-joypad.c
--- linux.orig/drivers/input/joystick/odroid-gou-joypad.c 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/input/joystick/odroid-gou-joypad.c 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,960 @@
+/*----------------------------------------------------------------------------*/
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio_keys.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/types.h>
+#include <linux/property.h>
+#include <linux/of_gpio.h>
+#include <linux/delay.h>
+#include "amlogic-saradc.h"
+#include <linux/pwm.h>
+
+/*----------------------------------------------------------------------------*/
+#define DRV_NAME "odroidgo_joypad"
+
+/*----------------------------------------------------------------------------*/
+
+
+/*----------------------------------------------------------------------------*/
+#define ADC_MAX_VOLTAGE 1800
+#define ADC_DATA_TUNING(x, p) ((x * p) / 100)
+#define ADC_TUNING_DEFAULT 180
+
+struct bt_adc {
+ /* report value (mV) */
+ int value;
+ /* report type */
+ int report_type;
+ /* input device init value (mV) */
+ int max, min;
+ /* calibrated adc value */
+ int cal;
+ /* adc scale value */
+ int scale;
+ /* invert report */
+ bool invert;
+ /* adc channel */
+ int channel;
+ /* adc data tuning value([percent), p = positive, n = negative */
+ int tuning_p, tuning_n;
+};
+
+struct bt_gpio {
+ /* GPIO Request label */
+ const char *label;
+ /* GPIO Number */
+ int num;
+ /* report type */
+ int report_type;
+ /* report linux code */
+ int linux_code;
+ /* prev button value */
+ bool old_value;
+ /* button press level */
+ bool active_level;
+};
+
+struct joypad {
+ struct device *dev;
+ struct input_polled_dev *poll_dev;
+ int poll_interval;
+
+ /* report enable/disable */
+ bool enable;
+
+ /* analog mux & joystick control */
+ struct iio_channel *adc_ch[SARADC_CH_NUM];
+
+ /* adc input channel count */
+ int chan_count;
+ /* analog button */
+ struct bt_adc *adcs;
+
+ /* report interval (ms) */
+ int bt_gpio_count;
+ struct bt_gpio *gpios;
+
+ /* button auto repeat */
+ int auto_repeat;
+
+ /* report threshold (mV) */
+ int bt_adc_fuzz, bt_adc_flat;
+ /* adc read value scale */
+ int bt_adc_scale;
+ /* joystick deadzone control */
+ int bt_adc_deadzone;
+
+ struct mutex lock;
+
+ /* adc debug channel */
+ int debug_ch;
+};
+
+/*----------------------------------------------------------------------------*/
+//
+// set to the value in the boot.ini file. (if exist)
+//
+/*----------------------------------------------------------------------------*/
+static unsigned int g_button_adc_fuzz = 0;
+static unsigned int g_button_adc_flat = 0;
+static unsigned int g_button_adc_scale = 0;
+static unsigned int g_button_adc_deadzone = 0;
+
+static int button_adc_fuzz(char *str)
+{
+ if (!str)
+ return -EINVAL;
+ g_button_adc_fuzz = simple_strtoul(str, NULL, 10);
+ return 0;
+}
+__setup("button-adc-fuzz=", button_adc_fuzz);
+
+static int button_adc_flat(char *str)
+{
+ if (!str)
+ return -EINVAL;
+ g_button_adc_flat = simple_strtoul(str, NULL, 10);
+ return 0;
+}
+__setup("button-adc-flat=", button_adc_flat);
+
+static int button_adc_scale(char *str)
+{
+ if (!str)
+ return -EINVAL;
+ g_button_adc_scale = simple_strtoul(str, NULL, 10);
+ return 0;
+}
+__setup("button-adc-scale=", button_adc_scale);
+
+static int button_adc_deadzone(char *str)
+{
+ if (!str)
+ return -EINVAL;
+ g_button_adc_deadzone = simple_strtoul(str, NULL, 10);
+ return 0;
+}
+__setup("button-adc-deadzone=", button_adc_deadzone);
+
+/*----------------------------------------------------------------------------*/
+static int joypad_adc_read(struct joypad *joypad, struct bt_adc *adc)
+{
+ int value;
+
+ if (iio_read_channel_processed(joypad->adc_ch[adc->channel], &value) < 0)
+ return 0;
+
+ value *= adc->scale;
+
+ return (adc->invert ? (adc->max - value) : value);
+}
+
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+/*
+ * ATTRIBUTES:
+ *
+ * /sys/devices/platform/odroidgo_joypad/poll_interval [rw]
+ */
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_store_poll_interval(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ mutex_lock(&joypad->lock);
+ joypad->poll_interval = simple_strtoul(buf, NULL, 10);
+ mutex_unlock(&joypad->lock);
+
+ return count;
+}
+
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_show_poll_interval(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ return sprintf(buf, "%d\n", joypad->poll_interval);
+}
+
+/*----------------------------------------------------------------------------*/
+static DEVICE_ATTR(poll_interval, S_IWUSR | S_IRUGO,
+ joypad_show_poll_interval,
+ joypad_store_poll_interval);
+
+/*----------------------------------------------------------------------------*/
+/*
+ * ATTRIBUTES:
+ *
+ * /sys/devices/platform/odroidgo_joypad/adc_fuzz [r]
+ */
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_show_adc_fuzz(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ return sprintf(buf, "%d\n", joypad->bt_adc_fuzz);
+}
+
+/*----------------------------------------------------------------------------*/
+static DEVICE_ATTR(adc_fuzz, S_IWUSR | S_IRUGO,
+ joypad_show_adc_fuzz,
+ NULL);
+
+/*----------------------------------------------------------------------------*/
+/*
+ * ATTRIBUTES:
+ *
+ * /sys/devices/platform/odroidgo_joypad/adc_flat [r]
+ */
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_show_adc_flat(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ return sprintf(buf, "%d\n", joypad->bt_adc_flat);
+}
+
+/*----------------------------------------------------------------------------*/
+static DEVICE_ATTR(adc_flat, S_IWUSR | S_IRUGO,
+ joypad_show_adc_flat,
+ NULL);
+
+/*----------------------------------------------------------------------------*/
+/*
+ * ATTRIBUTES:
+ *
+ * /sys/devices/platform/oodroidgo_joypad/enable [rw]
+ */
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_store_enable(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ mutex_lock(&joypad->lock);
+ joypad->enable = simple_strtoul(buf, NULL, 10);
+ mutex_unlock(&joypad->lock);
+
+ return count;
+}
+
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_show_enable(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+
+ return sprintf(buf, "%d\n", joypad->enable);
+}
+
+/*----------------------------------------------------------------------------*/
+static DEVICE_ATTR(enable, S_IWUSR | S_IRUGO,
+ joypad_show_enable,
+ joypad_store_enable);
+
+/*----------------------------------------------------------------------------*/
+/*
+ * ATTRIBUTES:
+ *
+ * /sys/devices/platform/odroidgo_joypad/adc_cal [rw]
+ */
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_store_adc_cal(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+ bool calibration;
+
+ calibration = simple_strtoul(buf, NULL, 10);
+
+ if (calibration) {
+ int nbtn;
+
+ mutex_lock(&joypad->lock);
+ for (nbtn = 0; nbtn < joypad->chan_count; nbtn++) {
+ struct bt_adc *adc = &joypad->adcs[nbtn];
+
+ adc->value = joypad_adc_read(joypad, adc);
+ if (!adc->value) {
+ dev_err(joypad->dev, "%s : saradc channels[%d]!\n",
+ __func__, nbtn);
+ continue;
+ }
+ adc->cal = adc->value;
+ }
+ mutex_unlock(&joypad->lock);
+ }
+ return count;
+}
+
+/*----------------------------------------------------------------------------*/
+static ssize_t joypad_show_adc_cal(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct joypad *joypad = platform_get_drvdata(pdev);
+ int nbtn;
+ ssize_t pos;
+
+ for (nbtn = 0, pos = 0; nbtn < joypad->chan_count; nbtn++) {
+ struct bt_adc *adc = &joypad->adcs[nbtn];
+ pos += sprintf(&buf[pos], "adc[%d]->cal = %d\n",
+ nbtn, adc->cal);
+ }
+ pos += sprintf(&buf[pos], "adc scale = %d\n", joypad->bt_adc_scale);
+ return pos;
+}
+
+/*----------------------------------------------------------------------------*/
+static DEVICE_ATTR(adc_cal, S_IWUSR | S_IRUGO,
+ joypad_show_adc_cal,
+ joypad_store_adc_cal);
+
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+static struct attribute *joypad_attrs[] = {
+ &dev_attr_poll_interval.attr,
+ &dev_attr_adc_fuzz.attr,
+ &dev_attr_adc_flat.attr,
+ &dev_attr_enable.attr,
+ &dev_attr_adc_cal.attr,
+ NULL,
+};
+
+static struct attribute_group joypad_attr_group = {
+ .attrs = joypad_attrs,
+};
+
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+static void joypad_gpio_check(struct input_polled_dev *poll_dev)
+{
+ struct joypad *joypad = poll_dev->private;
+ int nbtn, value;
+
+ for (nbtn = 0; nbtn < joypad->bt_gpio_count; nbtn++) {
+ struct bt_gpio *gpio = &joypad->gpios[nbtn];
+
+ if (gpio_get_value_cansleep(gpio->num) < 0) {
+ dev_err(joypad->dev, "failed to get gpio state\n");
+ continue;
+ }
+ value = gpio_get_value(gpio->num);
+ if (value != gpio->old_value) {
+ input_event(poll_dev->input,
+ gpio->report_type,
+ gpio->linux_code,
+ (value == gpio->active_level) ? 1 : 0);
+ gpio->old_value = value;
+ }
+ }
+ input_sync(poll_dev->input);
+
+}
+
+/*----------------------------------------------------------------------------*/
+static void joypad_adc_check(struct input_polled_dev *poll_dev)
+{
+ struct joypad *joypad = poll_dev->private;
+ int nbtn;
+ int mag;
+
+ /* Assumes an even number of axes and that joystick axis pairs are sequential */
+ /* e.g. left stick Y immediately follows left stick X */
+ for (nbtn = 0; nbtn < joypad->chan_count; nbtn += 2) {
+ struct bt_adc *adcx = &joypad->adcs[nbtn];
+ struct bt_adc *adcy = &joypad->adcs[nbtn + 1];
+
+ /* Read first joystick axis */
+ adcx->value = joypad_adc_read(joypad, adcx);
+ if (!adcx->value) {
+ dev_err(joypad->dev, "%s : saradc channels[%d]!\n",
+ __func__, nbtn);
+ continue;
+ }
+ adcx->value = adcx->value - adcx->cal;
+
+ /* Read second joystick axis */
+ adcy->value = joypad_adc_read(joypad, adcy);
+ if (!adcy->value) {
+ dev_err(joypad->dev, "%s : saradc channels[%d]!\n",
+ __func__, nbtn + 1);
+ continue;
+ }
+ adcy->value = adcy->value - adcy->cal;
+
+ /* Scaled Radial Deadzone */
+ /* https://web.archive.org/web/20190129113357/http://www.third-helix.com/2013/04/12/doing-thumbstick-dead-zones-right.html */
+ mag = int_sqrt((adcx->value * adcx->value) + (adcy->value * adcy->value));
+ if (joypad->bt_adc_deadzone) {
+ if (mag <= joypad->bt_adc_deadzone) {
+ adcx->value = 0;
+ adcy->value = 0;
+ }
+ else {
+ /* Assumes adcx->max == -adcx->min == adcy->max == -adcy->min */
+ /* Order of operations is critical to avoid integer overflow */
+ adcx->value = (((adcx->max * adcx->value) / mag) * (mag - joypad->bt_adc_deadzone)) / (adcx->max - joypad->bt_adc_deadzone);
+ adcy->value = (((adcy->max * adcy->value) / mag) * (mag - joypad->bt_adc_deadzone)) / (adcy->max - joypad->bt_adc_deadzone);
+ }
+ }
+
+ /* adc data tuning */
+ if (adcx->tuning_n && adcx->value < 0)
+ adcx->value = ADC_DATA_TUNING(adcx->value, adcx->tuning_n);
+ if (adcx->tuning_p && adcx->value > 0)
+ adcx->value = ADC_DATA_TUNING(adcx->value, adcx->tuning_p);
+ if (adcy->tuning_n && adcy->value < 0)
+ adcy->value = ADC_DATA_TUNING(adcy->value, adcy->tuning_n);
+ if (adcy->tuning_p && adcy->value > 0)
+ adcy->value = ADC_DATA_TUNING(adcy->value, adcy->tuning_p);
+
+ /* Clamp to [min, max] */
+ adcx->value = adcx->value > adcx->max ? adcx->max : adcx->value;
+ adcx->value = adcx->value < adcx->min ? adcx->min : adcx->value;
+ adcy->value = adcy->value > adcy->max ? adcy->max : adcy->value;
+ adcy->value = adcy->value < adcy->min ? adcy->min : adcy->value;
+
+ input_report_abs(poll_dev->input,
+ adcx->report_type,
+ adcx->invert ? adcx->value * (-1) : adcx->value);
+ input_report_abs(poll_dev->input,
+ adcy->report_type,
+ adcy->invert ? adcy->value * (-1) : adcy->value);
+ }
+ input_sync(poll_dev->input);
+}
+
+/*----------------------------------------------------------------------------*/
+static void joypad_poll(struct input_polled_dev *poll_dev)
+{
+ struct joypad *joypad = poll_dev->private;
+
+ if (joypad->enable) {
+ joypad_adc_check(poll_dev);
+ joypad_gpio_check(poll_dev);
+ }
+ if (poll_dev->poll_interval != joypad->poll_interval) {
+ mutex_lock(&joypad->lock);
+ poll_dev->poll_interval = joypad->poll_interval;
+ mutex_unlock(&joypad->lock);
+ }
+}
+
+/*----------------------------------------------------------------------------*/
+static void joypad_open(struct input_polled_dev *poll_dev)
+{
+ struct joypad *joypad = poll_dev->private;
+ int nbtn;
+
+ for (nbtn = 0; nbtn < joypad->bt_gpio_count; nbtn++) {
+ struct bt_gpio *gpio = &joypad->gpios[nbtn];
+ gpio->old_value = gpio->active_level ? 0 : 1;
+ }
+ for (nbtn = 0; nbtn < joypad->chan_count; nbtn++) {
+ struct bt_adc *adc = &joypad->adcs[nbtn];
+
+ adc->value = joypad_adc_read(joypad, adc);
+ if (!adc->value) {
+ dev_err(joypad->dev, "%s : saradc channels[%d]!\n",
+ __func__, nbtn);
+ continue;
+ }
+ adc->cal = adc->value;
+ dev_info(joypad->dev, "%s : adc[%d] adc->cal = %d\n",
+ __func__, nbtn, adc->cal);
+ }
+ /* buttons status sync */
+ joypad_adc_check(poll_dev);
+ joypad_gpio_check(poll_dev);
+
+ /* button report enable */
+ mutex_lock(&joypad->lock);
+ joypad->enable = true;
+ mutex_unlock(&joypad->lock);
+
+ dev_info(joypad->dev, "%s : opened\n", __func__);
+}
+
+/*----------------------------------------------------------------------------*/
+static void joypad_close(struct input_polled_dev *poll_dev)
+{
+ struct joypad *joypad = poll_dev->private;
+
+ /* button report disable */
+ mutex_lock(&joypad->lock);
+ joypad->enable = false;
+ mutex_unlock(&joypad->lock);
+
+ dev_info(joypad->dev, "%s : closed\n", __func__);
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_iochannel_setup(struct device *dev, struct joypad *joypad)
+{
+ enum iio_chan_type type;
+ unsigned char cnt;
+ const char *uname;
+ int ret;
+
+ for (cnt = 0; cnt < joypad->chan_count; cnt++) {
+
+ ret = of_property_read_string_index(dev->of_node,
+ "io-channel-names", cnt, &uname);
+ if (ret < 0) {
+ dev_err(dev, "invalid channel name index[%d]\n", cnt);
+ return -EINVAL;
+ }
+
+ joypad->adc_ch[cnt] = devm_iio_channel_get(dev,
+ uname);
+ if (IS_ERR(joypad->adc_ch[cnt])) {
+ dev_err(dev, "iio channel get error\n");
+ return -EINVAL;
+ }
+ if (!joypad->adc_ch[cnt]->indio_dev)
+ return -ENXIO;
+
+ if (iio_get_channel_type(joypad->adc_ch[cnt], &type))
+ return -EINVAL;
+
+ if (type != IIO_VOLTAGE) {
+ dev_err(dev, "Incompatible channel type %d\n", type);
+ return -EINVAL;
+ }
+ }
+ return ret;
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_adc_setup(struct device *dev, struct joypad *joypad)
+{
+ int nbtn;
+
+ /* adc button struct init */
+ joypad->adcs = devm_kzalloc(dev, joypad->chan_count *
+ sizeof(struct bt_adc), GFP_KERNEL);
+ if (!joypad->adcs) {
+ dev_err(dev, "%s devm_kzmalloc error!", __func__);
+ return -ENOMEM;
+ }
+
+ for (nbtn = 0; nbtn < joypad->chan_count; nbtn++) {
+ struct bt_adc *adc = &joypad->adcs[nbtn];
+
+ adc->scale = joypad->bt_adc_scale;
+
+ adc->max = (ADC_MAX_VOLTAGE / 2);
+ adc->min = (ADC_MAX_VOLTAGE / 2) * (-1);
+ if (adc->scale) {
+ adc->max *= adc->scale;
+ adc->min *= adc->scale;
+ }
+ adc->channel = nbtn;
+ adc->invert = false;
+
+ switch (nbtn) {
+ case 0:
+ adc->report_type = ABS_RY;
+ if (device_property_read_u32(dev,
+ "abs_ry-p-tuning",
+ &adc->tuning_p))
+ adc->tuning_p = ADC_TUNING_DEFAULT;
+ if (device_property_read_u32(dev,
+ "abs_ry-n-tuning",
+ &adc->tuning_n))
+ adc->tuning_n = ADC_TUNING_DEFAULT;
+ break;
+ case 1:
+ adc->report_type = ABS_RX;
+ if (device_property_read_u32(dev,
+ "abs_rx-p-tuning",
+ &adc->tuning_p))
+ adc->tuning_p = ADC_TUNING_DEFAULT;
+ if (device_property_read_u32(dev,
+ "abs_rx-n-tuning",
+ &adc->tuning_n))
+ adc->tuning_n = ADC_TUNING_DEFAULT;
+ break;
+ case 2:
+ adc->report_type = ABS_Y;
+ if (device_property_read_u32(dev,
+ "abs_y-p-tuning",
+ &adc->tuning_p))
+ adc->tuning_p = ADC_TUNING_DEFAULT;
+ if (device_property_read_u32(dev,
+ "abs_y-n-tuning",
+ &adc->tuning_n))
+ adc->tuning_n = ADC_TUNING_DEFAULT;
+ break;
+ case 3:
+ adc->report_type = ABS_X;
+ if (device_property_read_u32(dev,
+ "abs_x-p-tuning",
+ &adc->tuning_p))
+ adc->tuning_p = ADC_TUNING_DEFAULT;
+ if (device_property_read_u32(dev,
+ "abs_x-n-tuning",
+ &adc->tuning_n))
+ adc->tuning_n = ADC_TUNING_DEFAULT;
+ break;
+ default :
+ dev_err(dev, "%s io channel count(%d) error!",
+ __func__, nbtn);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_gpio_setup(struct device *dev, struct joypad *joypad)
+{
+ struct device_node *node, *pp;
+ int nbtn;
+
+ node = dev->of_node;
+ if (!node)
+ return -ENODEV;
+
+ joypad->gpios = devm_kzalloc(dev, joypad->bt_gpio_count *
+ sizeof(struct bt_gpio), GFP_KERNEL);
+
+ if (!joypad->gpios) {
+ dev_err(dev, "%s devm_kzmalloc error!", __func__);
+ return -ENOMEM;
+ }
+
+ nbtn = 0;
+ for_each_child_of_node(node, pp) {
+ enum of_gpio_flags flags;
+ struct bt_gpio *gpio = &joypad->gpios[nbtn++];
+ int error;
+
+ gpio->num = of_get_gpio_flags(pp, 0, &flags);
+ if (gpio->num < 0) {
+ error = gpio->num;
+ dev_err(dev, "Failed to get gpio flags, error: %d\n",
+ error);
+ return error;
+ }
+
+ /* gpio active level(key press level) */
+ gpio->active_level = (flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1;
+
+ gpio->label = of_get_property(pp, "label", NULL);
+
+ if (gpio_is_valid(gpio->num)) {
+ error = devm_gpio_request_one(dev, gpio->num,
+ GPIOF_IN, gpio->label);
+ if (error < 0) {
+ dev_err(dev,
+ "Failed to request GPIO %d, error %d\n",
+ gpio->num, error);
+ return error;
+ }
+ #if 0
+ error = gpiod_set_pull(gpio_to_desc(gpio->num), GPIOD_PULL_UP);
+ if (error < 0) {
+ dev_err(dev,
+ "Failed to set pull-up GPIO %d, error %d\n",
+ gpio->num, error);
+ return error;
+ }
+ #endif
+ }
+ if (of_property_read_u32(pp, "linux,code", &gpio->linux_code)) {
+ dev_err(dev, "Button without keycode: 0x%x\n",
+ gpio->num);
+ return -EINVAL;
+ }
+ if (of_property_read_u32(pp, "linux,input-type",
+ &gpio->report_type))
+ gpio->report_type = EV_KEY;
+ }
+ if (nbtn == 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_input_setup(struct device *dev, struct joypad *joypad)
+{
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int nbtn, error;
+ u32 joypad_vendor = 0;
+ u32 joypad_revision = 0;
+ u32 joypad_product = 0;
+
+ poll_dev = devm_input_allocate_polled_device(dev);
+ if (!poll_dev) {
+ dev_err(dev, "no memory for polled device\n");
+ return -ENOMEM;
+ }
+
+ poll_dev->private = joypad;
+ poll_dev->poll = joypad_poll;
+ poll_dev->poll_interval = joypad->poll_interval;
+ poll_dev->open = joypad_open;
+ poll_dev->close = joypad_close;
+
+ input = poll_dev->input;
+
+ input->name = DRV_NAME;
+
+ device_property_read_string(dev, "joypad-name", &input->name);
+ input->phys = DRV_NAME"/input0";
+
+ device_property_read_u32(dev, "joypad-vendor", &joypad_vendor);
+ device_property_read_u32(dev, "joypad-revision", &joypad_revision);
+ device_property_read_u32(dev, "joypad-product", &joypad_product);
+ //input->id.bustype = BUS_HOST;
+ input->id.bustype = BUS_USB;
+ input->id.vendor = (u16)joypad_vendor;
+ input->id.product = (u16)joypad_product;
+ input->id.version = (u16)joypad_revision;
+
+ /* IIO ADC key setup (0 mv ~ 1800 mv) * adc->scale */
+ __set_bit(EV_ABS, input->evbit);
+
+ // Set mapped ones on dt
+ for(nbtn = 0; nbtn < joypad->chan_count; nbtn++) {
+ struct bt_adc *adc = &joypad->adcs[nbtn];
+ input_set_abs_params(input, adc->report_type,
+ adc->min, adc->max,
+ joypad->bt_adc_fuzz,
+ joypad->bt_adc_flat);
+ dev_info(dev,
+ "%s : SCALE = %d, ABS min = %d, max = %d,"
+ " fuzz = %d, flat = %d, deadzone = %d\n",
+ __func__, adc->scale, adc->min, adc->max,
+ joypad->bt_adc_fuzz, joypad->bt_adc_flat,
+ joypad->bt_adc_deadzone);
+ dev_info(dev,
+ "%s : adc tuning_p = %d, adc_tuning_n = %d\n\n",
+ __func__, adc->tuning_p, adc->tuning_n);
+ }
+
+ /* GPIO key setup */
+ __set_bit(EV_KEY, input->evbit);
+ for(nbtn = 0; nbtn < joypad->bt_gpio_count; nbtn++) {
+ struct bt_gpio *gpio = &joypad->gpios[nbtn];
+ input_set_capability(input, gpio->report_type,
+ gpio->linux_code);
+ }
+
+ if (joypad->auto_repeat)
+ __set_bit(EV_REP, input->evbit);
+
+ joypad->dev = dev;
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ dev_err(dev, "unable to register polled device, err=%d\n",
+ error);
+ return error;
+ }
+ joypad->dev = dev;
+ joypad->poll_dev = poll_dev;
+
+ return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+static void joypad_setup_value_check(struct device *dev, struct joypad *joypad)
+{
+ /*
+ fuzz: specifies fuzz value that is used to filter noise from
+ the event stream.
+ */
+ if (g_button_adc_fuzz)
+ joypad->bt_adc_fuzz = g_button_adc_fuzz;
+ else
+ device_property_read_u32(dev, "button-adc-fuzz",
+ &joypad->bt_adc_fuzz);
+ /*
+ flat: values that are within this value will be discarded by
+ joydev interface and reported as 0 instead.
+ */
+ if (g_button_adc_flat)
+ joypad->bt_adc_flat = g_button_adc_flat;
+ else
+ device_property_read_u32(dev, "button-adc-flat",
+ &joypad->bt_adc_flat);
+
+ /* Joystick report value control */
+ if (g_button_adc_scale)
+ joypad->bt_adc_scale = g_button_adc_scale;
+ else
+ device_property_read_u32(dev, "button-adc-scale",
+ &joypad->bt_adc_scale);
+
+ /* Joystick deadzone value control */
+ if (g_button_adc_deadzone)
+ joypad->bt_adc_deadzone = g_button_adc_deadzone;
+ else
+ device_property_read_u32(dev, "button-adc-deadzone",
+ &joypad->bt_adc_deadzone);
+
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_dt_parse(struct device *dev, struct joypad *joypad)
+{
+ int error = 0;
+
+ /* initialize value check from boot.ini */
+ joypad_setup_value_check(dev, joypad);
+
+ joypad->chan_count = of_property_count_strings(dev->of_node,
+ "io-channel-names");
+
+ device_property_read_u32(dev, "poll-interval",
+ &joypad->poll_interval);
+
+ joypad->auto_repeat = device_property_present(dev, "autorepeat");
+
+ joypad->bt_gpio_count = device_get_child_node_count(dev);
+
+ if ((joypad->chan_count == 0) || (joypad->bt_gpio_count == 0)) {
+ dev_err(dev, "adc key = %d, gpio key = %d error!",
+ joypad->chan_count, joypad->bt_gpio_count);
+ return -EINVAL;
+ }
+
+ error = joypad_adc_setup(dev, joypad);
+ if (error)
+ return error;
+
+ error = joypad_iochannel_setup(dev, joypad);
+ if (error)
+ return error;
+
+ error = joypad_gpio_setup(dev, joypad);
+ if (error)
+ return error;
+
+ dev_info(dev, "%s : adc key cnt = %d, gpio key cnt = %d\n",
+ __func__, joypad->chan_count, joypad->bt_gpio_count);
+
+ return error;
+}
+
+/*----------------------------------------------------------------------------*/
+static int joypad_probe(struct platform_device *pdev)
+{
+ struct joypad *joypad;
+ struct device *dev = &pdev->dev;
+ int error;
+
+ joypad = devm_kzalloc(dev, sizeof(struct joypad), GFP_KERNEL);
+ if (!joypad) {
+ dev_err(dev, "joypad devm_kzmalloc error!");
+ return -ENOMEM;
+ }
+
+ /* device tree data parse */
+ error = joypad_dt_parse(dev, joypad);
+ if (error) {
+ dev_err(dev, "dt parse error!(err = %d)\n", error);
+ return error;
+ }
+
+ mutex_init(&joypad->lock);
+ platform_set_drvdata(pdev, joypad);
+
+ error = sysfs_create_group(&pdev->dev.kobj, &joypad_attr_group);
+ if (error) {
+ dev_err(dev, "create sysfs group fail, error: %d\n",
+ error);
+ return error;
+ }
+
+ /* poll input device setup */
+ error = joypad_input_setup(dev, joypad);
+ if (error) {
+ dev_err(dev, "input setup failed!(err = %d)\n", error);
+ return error;
+ }
+ dev_info(dev, "%s : probe success\n", __func__);
+ return 0;
+}
+
+static void joypad_shutdown(struct platform_device *pdev)
+{
+ struct joypad *joypad = platform_get_drvdata(pdev);
+ input_unregister_polled_device(joypad->poll_dev);
+}
+/*----------------------------------------------------------------------------*/
+static const struct of_device_id joypad_of_match[] = {
+ { .compatible = "odroidgou-joypad", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, joypad_of_match);
+
+/*----------------------------------------------------------------------------*/
+static struct platform_driver joypad_driver = {
+ .probe = joypad_probe,
+ .shutdown = joypad_shutdown,
+ .driver = {
+ .name = DRV_NAME,
+ .of_match_table = of_match_ptr(joypad_of_match),
+ },
+};
+
+/*----------------------------------------------------------------------------*/
+static int __init joypad_init(void)
+{
+ return platform_driver_register(&joypad_driver);
+}
+
+/*----------------------------------------------------------------------------*/
+static void __exit joypad_exit(void)
+{
+ platform_driver_unregister(&joypad_driver);
+}
+
+/*----------------------------------------------------------------------------*/
+late_initcall(joypad_init);
+module_exit(joypad_exit);
+
+/*----------------------------------------------------------------------------*/
+MODULE_AUTHOR("Hardkernel Co.,LTD");
+MODULE_DESCRIPTION("Keypad driver(ADC&GPIO) for ODROIDGO-Advance");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+
+/*----------------------------------------------------------------------------*/
diff -rupN linux.orig/drivers/mfd/rk808.c linux/drivers/mfd/rk808.c
--- linux.orig/drivers/mfd/rk808.c 2023-09-12 12:02:58.341633584 +0000
+++ linux/drivers/mfd/rk808.c 2023-09-12 12:03:27.490291628 +0000
@@ -81,12 +81,47 @@ static bool rk817_is_volatile_reg(struct
return false;
}
+static bool rk818_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ /*
+ * Notes:
+ * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but
+ * we don't use that feature. It's better to cache.
+ * - It's unlikely we care that RK808_DEVCTRL_REG is volatile since
+ * bits are cleared in case when we shutoff anyway, but better safe.
+ */
+
+ switch (reg) {
+ case RK808_SECONDS_REG ... RK808_WEEKS_REG:
+ case RK808_RTC_STATUS_REG:
+ case RK808_VB_MON_REG:
+ case RK808_THERMAL_REG:
+ case RK808_DCDC_EN_REG:
+ case RK808_LDO_EN_REG:
+ case RK808_DCDC_UV_STS_REG:
+ case RK808_LDO_UV_STS_REG:
+ case RK808_DCDC_PG_REG:
+ case RK808_LDO_PG_REG:
+ case RK808_DEVCTRL_REG:
+ case RK808_INT_STS_REG1:
+ case RK808_INT_STS_REG2:
+ case RK808_INT_STS_MSK_REG1:
+ case RK808_INT_STS_MSK_REG2:
+ case RK818_LDO8_ON_VSEL_REG: // TODO(ayufan):??
+ case RK818_LDO8_SLP_VSEL_REG: // TODO(ayufan):??
+ case RK818_SUP_STS_REG ... RK818_SAVE_DATA19:
+ return true;
+ }
+
+ return false;
+}
+
static const struct regmap_config rk818_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .max_register = RK818_USB_CTRL_REG,
+ .max_register = RK818_SAVE_DATA19,
.cache_type = REGCACHE_RBTREE,
- .volatile_reg = rk808_is_volatile_reg,
+ .volatile_reg = rk818_is_volatile_reg,
};
static const struct regmap_config rk805_regmap_config = {
@@ -137,58 +172,67 @@ static const struct resource rk817_charg
};
static const struct mfd_cell rk805s[] = {
- { .name = "rk808-clkout", },
- { .name = "rk808-regulator", },
- { .name = "rk805-pinctrl", },
+ { .name = "rk808-clkout", .id = -1, },
+ { .name = "rk808-regulator", .id = -1, },
+ { .name = "rk805-pinctrl", .id = -1, },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = &rtc_resources[0],
+ .id = -1,
},
{ .name = "rk805-pwrkey",
.num_resources = ARRAY_SIZE(rk805_key_resources),
.resources = &rk805_key_resources[0],
+ .id = -1,
},
};
static const struct mfd_cell rk808s[] = {
- { .name = "rk808-clkout", },
- { .name = "rk808-regulator", },
+ { .name = "rk808-clkout", .id = -1, },
+ { .name = "rk808-regulator", .id = -1, },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources,
+ .id = -1,
},
};
static const struct mfd_cell rk817s[] = {
- { .name = "rk808-clkout",},
- { .name = "rk808-regulator",},
+ { .name = "rk808-clkout", .id = -1, },
+ { .name = "rk808-regulator", .id = -1, },
{
.name = "rk805-pwrkey",
.num_resources = ARRAY_SIZE(rk817_pwrkey_resources),
.resources = &rk817_pwrkey_resources[0],
+ .id = -1,
},
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rk817_rtc_resources),
.resources = &rk817_rtc_resources[0],
+ .id = -1,
},
- { .name = "rk817-codec",},
+ { .name = "rk817-codec", .id = -1, },
{
.name = "rk817-charger",
.num_resources = ARRAY_SIZE(rk817_charger_resources),
.resources = &rk817_charger_resources[0],
+ .id = -1,
},
};
static const struct mfd_cell rk818s[] = {
- { .name = "rk808-clkout", },
- { .name = "rk808-regulator", },
+ { .name = "rk808-clkout", .id = -1, },
+ { .name = "rk808-regulator", .id = -1, },
+ { .name = "rk818-battery", .of_compatible = "rockchip,rk818-battery", },
+ { .name = "rk818-charger", .of_compatible = "rockchip,rk818-charger", },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources,
+ .id = -1,
},
};
@@ -318,6 +362,7 @@ static const struct rk808_reg_data rk818
{ RK818_H5V_EN_REG, BIT(0), RK818_H5V_EN },
{ RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
VB_LO_SEL_3500MV },
+ { RK808_CLK32OUT_REG, CLK32KOUT2_FUNC_MASK, CLK32KOUT2_FUNC },
};
static const struct regmap_irq rk805_irqs[] = {
diff -rupN linux.orig/drivers/power/reset/Kconfig linux/drivers/power/reset/Kconfig
--- linux.orig/drivers/power/reset/Kconfig 2023-09-12 12:02:58.741642619 +0000
+++ linux/drivers/power/reset/Kconfig 2023-09-12 12:03:27.490291628 +0000
@@ -141,6 +141,13 @@ config POWER_RESET_OCELOT_RESET
help
This driver supports restart for Microsemi Ocelot SoC and similar.
+config POWER_RESET_ODROID_GO_ULTRA_POWEROFF
+ bool "Odroid Go Ultra power-off driver"
+ depends on ARCH_MESON || COMPILE_TEST
+ depends on I2C=y && OF
+ help
+ This driver supports Power off for Odroid Go Ultra device.
+
config POWER_RESET_OXNAS
bool "OXNAS SoC restart driver"
depends on ARCH_OXNAS
diff -rupN linux.orig/drivers/power/reset/Makefile linux/drivers/power/reset/Makefile
--- linux.orig/drivers/power/reset/Makefile 2023-09-12 12:02:58.741642619 +0000
+++ linux/drivers/power/reset/Makefile 2023-09-12 12:03:27.490291628 +0000
@@ -17,6 +17,7 @@ obj-$(CONFIG_POWER_RESET_MT6323) += mt63
obj-$(CONFIG_POWER_RESET_OXNAS) += oxnas-restart.o
obj-$(CONFIG_POWER_RESET_QCOM_PON) += qcom-pon.o
obj-$(CONFIG_POWER_RESET_OCELOT_RESET) += ocelot-reset.o
+obj-$(CONFIG_POWER_RESET_ODROID_GO_ULTRA_POWEROFF) += odroid-go-ultra-poweroff.o
obj-$(CONFIG_POWER_RESET_PIIX4_POWEROFF) += piix4-poweroff.o
obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o
obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o
diff -rupN linux.orig/drivers/power/reset/odroid-go-ultra-poweroff.c linux/drivers/power/reset/odroid-go-ultra-poweroff.c
--- linux.orig/drivers/power/reset/odroid-go-ultra-poweroff.c 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/power/reset/odroid-go-ultra-poweroff.c 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/mfd/rk808.h>
+#include <linux/regmap.h>
+#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/i2c.h>
+
+/*
+ * The Odroid Go Ultra has 2 PMICs:
+ * - RK818 (manages the battery and USB-C power supply)
+ * - RK817
+ * Both PMICs feeds power to the S922X SoC, so they must be powered-off in sequence.
+ * Vendor does power-off the RK817 first, then the RK818 so here we follow this sequence.
+ */
+
+struct odroid_go_ultra_poweroff_data {
+ struct device *dev;
+ struct device *rk817;
+ struct device *rk818;
+};
+
+static int odroid_go_ultra_poweroff_prepare(struct sys_off_data *data)
+{
+ struct odroid_go_ultra_poweroff_data *poweroff_data = data->cb_data;
+ struct regmap *rk817, *rk818;
+ int ret;
+
+ /* RK817 Regmap */
+ rk817 = dev_get_regmap(poweroff_data->rk817, NULL);
+ if (!rk817) {
+ dev_err(poweroff_data->dev, "failed to get rk817 regmap\n");
+ return notifier_from_errno(-EINVAL);
+ }
+
+ /* RK818 Regmap */
+ rk818 = dev_get_regmap(poweroff_data->rk818, NULL);
+ if (!rk818) {
+ dev_err(poweroff_data->dev, "failed to get rk818 regmap\n");
+ return notifier_from_errno(-EINVAL);
+ }
+
+ dev_info(poweroff_data->dev, "Setting PMICs for power off");
+
+ /* RK817 */
+ ret = regmap_update_bits(rk817, RK817_SYS_CFG(3), DEV_OFF, DEV_OFF);
+ if (ret) {
+ dev_err(poweroff_data->dev, "failed to poweroff rk817\n");
+ return notifier_from_errno(ret);
+ }
+
+ /* RK818 */
+ ret = regmap_update_bits(rk818, RK818_DEVCTRL_REG, DEV_OFF, DEV_OFF);
+ if (ret) {
+ dev_err(poweroff_data->dev, "failed to poweroff rk818\n");
+ return notifier_from_errno(ret);
+ }
+
+ return NOTIFY_OK;
+}
+
+static void odroid_go_ultra_poweroff_put_pmic_device(void *data)
+{
+ struct device *dev = data;
+
+ put_device(dev);
+}
+
+static int odroid_go_ultra_poweroff_get_pmic_device(struct device *dev, const char *compatible,
+ struct device **pmic)
+{
+ struct device_node *pmic_node;
+ struct i2c_client *pmic_client;
+
+ pmic_node = of_find_compatible_node(NULL, NULL, compatible);
+ if (!pmic_node)
+ return -ENODEV;
+
+ pmic_client = of_find_i2c_device_by_node(pmic_node);
+ of_node_put(pmic_node);
+ if (!pmic_client)
+ return -EPROBE_DEFER;
+
+ *pmic = &pmic_client->dev;
+
+ return devm_add_action_or_reset(dev, odroid_go_ultra_poweroff_put_pmic_device, *pmic);
+}
+
+static int odroid_go_ultra_poweroff_probe(struct platform_device *pdev)
+{
+ struct odroid_go_ultra_poweroff_data *poweroff_data;
+ int ret;
+
+ poweroff_data = devm_kzalloc(&pdev->dev, sizeof(*poweroff_data), GFP_KERNEL);
+ if (!poweroff_data)
+ return -ENOMEM;
+
+ dev_set_drvdata(&pdev->dev, poweroff_data);
+
+ /* RK818 PMIC Device */
+ ret = odroid_go_ultra_poweroff_get_pmic_device(&pdev->dev, "rockchip,rk818",
+ &poweroff_data->rk818);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "failed to get rk818 mfd data\n");
+
+ /* RK817 PMIC Device */
+ ret = odroid_go_ultra_poweroff_get_pmic_device(&pdev->dev, "rockchip,rk817",
+ &poweroff_data->rk817);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "failed to get rk817 mfd data\n");
+
+ /* Register as SYS_OFF_MODE_POWER_OFF_PREPARE because regmap_update_bits may sleep */
+ ret = devm_register_sys_off_handler(&pdev->dev,
+ SYS_OFF_MODE_POWER_OFF_PREPARE,
+ SYS_OFF_PRIO_DEFAULT,
+ odroid_go_ultra_poweroff_prepare,
+ poweroff_data);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "failed to register sys-off handler\n");
+
+ dev_info(&pdev->dev, "Registered Power-Off handler\n");
+
+ return 0;
+}
+static struct platform_device *pdev;
+
+static struct platform_driver odroid_go_ultra_poweroff_driver = {
+ .driver = {
+ .name = "odroid-go-ultra-poweroff",
+ },
+ .probe = odroid_go_ultra_poweroff_probe,
+};
+
+static int __init odroid_go_ultra_poweroff_init(void)
+{
+ int ret;
+
+ /* Only create when running on the Odroid Go Ultra device */
+ if (!of_device_is_compatible(of_root, "hardkernel,odroid-go-ultra"))
+ return -ENODEV;
+
+ ret = platform_driver_register(&odroid_go_ultra_poweroff_driver);
+ if (ret)
+ return ret;
+
+ pdev = platform_device_register_resndata(NULL, "odroid-go-ultra-poweroff", -1,
+ NULL, 0, NULL, 0);
+
+ if (IS_ERR(pdev)) {
+ platform_driver_unregister(&odroid_go_ultra_poweroff_driver);
+ return PTR_ERR(pdev);
+ }
+
+ return 0;
+}
+
+static void __exit odroid_go_ultra_poweroff_exit(void)
+{
+ /* Only delete when running on the Odroid Go Ultra device */
+ if (!of_device_is_compatible(of_root, "hardkernel,odroid-go-ultra"))
+ return;
+
+ platform_device_unregister(pdev);
+ platform_driver_unregister(&odroid_go_ultra_poweroff_driver);
+}
+
+module_init(odroid_go_ultra_poweroff_init);
+module_exit(odroid_go_ultra_poweroff_exit);
+
+MODULE_AUTHOR("Neil Armstrong <neil.armstrong@linaro.org>");
+MODULE_DESCRIPTION("Odroid Go Ultra poweroff driver");
+MODULE_LICENSE("GPL");
diff -rupN linux.orig/drivers/power/supply/Kconfig linux/drivers/power/supply/Kconfig
--- linux.orig/drivers/power/supply/Kconfig 2023-09-12 12:02:58.745642709 +0000
+++ linux/drivers/power/supply/Kconfig 2023-09-12 12:03:27.490291628 +0000
@@ -918,4 +918,12 @@ config BATTERY_UG3105
device is off or suspended, the functionality of this driver is
limited to reporting capacity only.
+config CHARGER_RK818
+ bool "RK818 Charger driver"
+ depends on MFD_RK808
+ default n
+ help
+ If you say yes here you will get support for the charger of RK818 PMIC.
+ This driver can give support for Rk818 Charger Interface.
+
endif # POWER_SUPPLY
diff -rupN linux.orig/drivers/power/supply/Makefile linux/drivers/power/supply/Makefile
--- linux.orig/drivers/power/supply/Makefile 2023-09-12 12:02:58.745642709 +0000
+++ linux/drivers/power/supply/Makefile 2023-09-12 12:03:27.490291628 +0000
@@ -110,3 +110,4 @@ obj-$(CONFIG_BATTERY_ACER_A500) += acer_
obj-$(CONFIG_BATTERY_SURFACE) += surface_battery.o
obj-$(CONFIG_CHARGER_SURFACE) += surface_charger.o
obj-$(CONFIG_BATTERY_UG3105) += ug3105_battery.o
+obj-$(CONFIG_CHARGER_RK818) += rk818_charger.o rk818_battery.o
diff -rupN linux.orig/drivers/power/supply/rk818_battery.c linux/drivers/power/supply/rk818_battery.c
--- linux.orig/drivers/power/supply/rk818_battery.c 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/power/supply/rk818_battery.c 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,3498 @@
+/*
+ * rk818 battery driver
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd
+ * chenjh <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/delay.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/jiffies.h>
+#include <linux/mfd/rk808.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+//#include <linux/power/rk_usbbc.h>
+#include <linux/regmap.h>
+//#include <linux/rk_keys.h>
+#include <linux/rtc.h>
+#include <linux/time64.h>
+#include <linux/timer.h>
+//#include <linux/wakelock.h>
+#include <linux/workqueue.h>
+#include "rk818_battery.h"
+
+static int dbg_enable = 0;
+module_param_named(dbg_level, dbg_enable, int, 0644);
+
+#define DBG(args...) \
+ do { \
+ if (dbg_enable) { \
+ pr_info(args); \
+ } \
+ } while (0)
+
+#define BAT_INFO(fmt, args...) pr_info("rk818-bat: "fmt, ##args)
+
+/* default param */
+#define DEFAULT_BAT_RES 135
+#define DEFAULT_SLP_ENTER_CUR 300
+#define DEFAULT_SLP_EXIT_CUR 300
+#define DEFAULT_SLP_FILTER_CUR 100
+#define DEFAULT_PWROFF_VOL_THRESD 3400
+#define DEFAULT_MONITOR_SEC 5
+#define DEFAULT_ALGR_VOL_THRESD1 3850
+#define DEFAULT_ALGR_VOL_THRESD2 3950
+#define DEFAULT_MAX_SOC_OFFSET 60
+#define DEFAULT_FB_TEMP TEMP_105C
+#define DEFAULT_ZERO_RESERVE_DSOC 10
+#define DEFAULT_POFFSET 42
+#define DEFAULT_COFFSET 0x832
+#define DEFAULT_SAMPLE_RES 20
+#define DEFAULT_ENERGY_MODE 0
+#define INVALID_COFFSET_MIN 0x780
+#define INVALID_COFFSET_MAX 0x980
+#define INVALID_VOL_THRESD 2500
+
+/* sample resistor and division */
+#define SAMPLE_RES_10MR 10
+#define SAMPLE_RES_20MR 20
+#define SAMPLE_RES_DIV1 1
+#define SAMPLE_RES_DIV2 2
+
+/* virtual params */
+#define VIRTUAL_CURRENT 1000
+#define VIRTUAL_VOLTAGE 3888
+#define VIRTUAL_SOC 66
+#define VIRTUAL_PRESET 1
+#define VIRTUAL_TEMPERATURE 188
+#define VIRTUAL_STATUS POWER_SUPPLY_STATUS_CHARGING
+
+/* charge */
+#define FINISH_CHRG_CUR1 1000
+#define FINISH_CHRG_CUR2 1500
+#define FINISH_MAX_SOC_DELAY 20
+#define TERM_CHRG_DSOC 88
+#define TERM_CHRG_CURR 600
+#define TERM_CHRG_K 650
+#define SIMULATE_CHRG_INTV 8
+#define SIMULATE_CHRG_CURR 400
+#define SIMULATE_CHRG_K 1500
+#define FULL_CHRG_K 400
+
+/* zero algorithm */
+#define PWROFF_THRESD 3400
+#define MIN_ZERO_DSOC_ACCURACY 10 /*0.01%*/
+#define MIN_ZERO_OVERCNT 100
+#define MIN_ACCURACY 1
+#define DEF_PWRPATH_RES 50
+#define WAIT_DSOC_DROP_SEC 15
+#define WAIT_SHTD_DROP_SEC 30
+#define ZERO_GAP_XSOC1 10
+#define ZERO_GAP_XSOC2 5
+#define ZERO_GAP_XSOC3 3
+#define ZERO_LOAD_LVL1 1400
+#define ZERO_LOAD_LVL2 600
+#define ZERO_GAP_CALIB 5
+
+#define ADC_CALIB_THRESHOLD 4
+#define ADC_CALIB_LMT_MIN 3
+#define ADC_CALIB_CNT 5
+#define NTC_CALC_FACTOR 7
+
+/* time */
+#define POWER_ON_SEC_BASE 1
+#define MINUTE(x) ((x) * 60)
+
+/* sleep */
+#define SLP_CURR_MAX 40
+#define SLP_CURR_MIN 6
+#define DISCHRG_TIME_STEP1 MINUTE(10)
+#define DISCHRG_TIME_STEP2 MINUTE(60)
+#define SLP_DSOC_VOL_THRESD 3600
+#define REBOOT_PERIOD_SEC 180
+#define REBOOT_MAX_CNT 80
+
+/* fcc */
+#define MIN_FCC 500
+
+/* TS detect battery temperature */
+#define ADC_CUR_MSK 0x03
+#define ADC_CUR_20UA 0x00
+#define ADC_CUR_40UA 0x01
+#define ADC_CUR_60UA 0x02
+#define ADC_CUR_80UA 0x03
+
+#define NTC_CALC_FACTOR_80UA 7
+#define NTC_CALC_FACTOR_60UA 9
+#define NTC_CALC_FACTOR_40UA 13
+#define NTC_CALC_FACTOR_20UA 27
+#define NTC_80UA_MAX_MEASURE 27500
+#define NTC_60UA_MAX_MEASURE 36666
+#define NTC_40UA_MAX_MEASURE 55000
+#define NTC_20UA_MAX_MEASURE 110000
+
+static const char *bat_status[] = {
+ "charge off", "dead charge", "trickle charge", "cc cv",
+ "finish", "usb over vol", "bat temp error", "timer error",
+};
+
+struct rk818_battery {
+ struct platform_device *pdev;
+ struct rk808 *rk818;
+ struct regmap *regmap;
+ struct device *dev;
+ struct power_supply *bat;
+ struct power_supply *usb_psy;
+ struct power_supply *ac_psy;
+ struct battery_platform_data *pdata;
+ struct workqueue_struct *bat_monitor_wq;
+ struct delayed_work bat_delay_work;
+ struct delayed_work calib_delay_work;
+ // struct wake_lock wake_lock;
+ struct notifier_block fb_nb;
+ struct timer_list caltimer;
+ time64_t rtc_base;
+ int bat_res;
+ int chrg_status;
+ bool is_initialized;
+ bool is_first_power_on;
+ u8 res_div;
+ int current_max;
+ int voltage_max;
+ int current_avg;
+ int voltage_avg;
+ int voltage_ocv;
+ int voltage_relax;
+ int voltage_k;
+ int voltage_b;
+ int remain_cap;
+ int design_cap;
+ int nac;
+ int fcc;
+ int qmax;
+ int dsoc;
+ int rsoc;
+ int poffset;
+ int age_ocv_soc;
+ bool age_allow_update;
+ int age_level;
+ int age_ocv_cap;
+ int age_voltage;
+ int age_adjust_cap;
+ unsigned long age_keep_sec;
+ int zero_timeout_cnt;
+ int zero_remain_cap;
+ int zero_dsoc;
+ int zero_linek;
+ u64 zero_drop_sec;
+ u64 shtd_drop_sec;
+ int sm_remain_cap;
+ int sm_linek;
+ int sm_chrg_dsoc;
+ int sm_dischrg_dsoc;
+ int algo_rest_val;
+ int algo_rest_mode;
+ int sleep_sum_cap;
+ int sleep_remain_cap;
+ unsigned long sleep_dischrg_sec;
+ unsigned long sleep_sum_sec;
+ bool sleep_chrg_online;
+ u8 sleep_chrg_status;
+ bool adc_allow_update;
+ bool s2r; /*suspend to resume*/
+ u32 work_mode;
+ int temperature;
+ u32 monitor_ms;
+ u32 pwroff_min;
+ u32 adc_calib_cnt;
+ unsigned long finish_base;
+ unsigned long boot_base;
+ unsigned long flat_match_sec;
+ unsigned long plug_in_base;
+ unsigned long plug_out_base;
+ u8 halt_cnt;
+ bool is_halt;
+ bool is_max_soc_offset;
+ bool is_sw_reset;
+ bool is_ocv_calib;
+ bool is_first_on;
+ bool is_force_calib;
+ int last_dsoc;
+ int ocv_pre_dsoc;
+ int ocv_new_dsoc;
+ int max_pre_dsoc;
+ int max_new_dsoc;
+ int force_pre_dsoc;
+ int force_new_dsoc;
+ int dbg_cap_low0;
+ int dbg_pwr_dsoc;
+ int dbg_pwr_rsoc;
+ int dbg_pwr_vol;
+ int dbg_chrg_min[10];
+ int dbg_meet_soc;
+ int dbg_calc_dsoc;
+ int dbg_calc_rsoc;
+ u8 ac_in;
+ u8 usb_in;
+ int is_charging;
+ unsigned long charge_count;
+};
+
+#define DIV(x) ((x) ? (x) : 1)
+
+static void rk_send_wakeup_key(void)
+{
+ // TODO: WHAT TO DO HERE?
+}
+
+static u64 get_boot_sec(void)
+{
+ struct timespec64 ts;
+
+ ktime_get_boottime_ts64(&ts);
+
+ return ts.tv_sec;
+}
+
+static unsigned long base2sec(unsigned long x)
+{
+ if (x)
+ return (get_boot_sec() > x) ? (get_boot_sec() - x) : 0;
+ else
+ return 0;
+}
+
+static unsigned long base2min(unsigned long x)
+{
+ return base2sec(x) / 60;
+}
+
+static u32 interpolate(int value, u32 *table, int size)
+{
+ u8 i;
+ u16 d;
+
+ for (i = 0; i < size; i++) {
+ if (value < table[i])
+ break;
+ }
+
+ if ((i > 0) && (i < size)) {
+ d = (value - table[i - 1]) * (MAX_INTERPOLATE / (size - 1));
+ d /= table[i] - table[i - 1];
+ d = d + (i - 1) * (MAX_INTERPOLATE / (size - 1));
+ } else {
+ d = i * ((MAX_INTERPOLATE + size / 2) / size);
+ }
+
+ if (d > 1000)
+ d = 1000;
+
+ return d;
+}
+
+/* (a*b)/c */
+static int32_t ab_div_c(u32 a, u32 b, u32 c)
+{
+ bool sign;
+ u32 ans = MAX_INT;
+ int tmp;
+
+ sign = ((((a ^ b) ^ c) & 0x80000000) != 0);
+ if (c != 0) {
+ if (sign)
+ c = -c;
+ tmp = (a * b + (c >> 1)) / c;
+ if (tmp < MAX_INT)
+ ans = tmp;
+ }
+
+ if (sign)
+ ans = -ans;
+
+ return ans;
+}
+
+static int rk818_bat_read(struct rk818_battery *di, u8 reg)
+{
+ int ret, val;
+
+ ret = regmap_read(di->regmap, reg, &val);
+ if (ret)
+ dev_err(di->dev, "read reg:0x%x failed\n", reg);
+
+ return val;
+}
+
+static int rk818_bat_write(struct rk818_battery *di, u8 reg, u8 buf)
+{
+ int ret;
+
+ ret = regmap_write(di->regmap, reg, buf);
+ if (ret)
+ dev_err(di->dev, "i2c write reg: 0x%2x error\n", reg);
+
+ return ret;
+}
+
+static int rk818_bat_set_bits(struct rk818_battery *di, u8 reg, u8 mask, u8 buf)
+{
+ int ret;
+
+ ret = regmap_update_bits(di->regmap, reg, mask, buf);
+ if (ret)
+ dev_err(di->dev, "write reg:0x%x failed\n", reg);
+
+ return ret;
+}
+
+static int rk818_bat_clear_bits(struct rk818_battery *di, u8 reg, u8 mask)
+{
+ int ret;
+
+ ret = regmap_update_bits(di->regmap, reg, mask, 0);
+ if (ret)
+ dev_err(di->dev, "clr reg:0x%02x failed\n", reg);
+
+ return ret;
+}
+
+static void rk818_bat_dump_regs(struct rk818_battery *di, u8 start, u8 end)
+{
+ int i;
+
+ if (!dbg_enable)
+ return;
+
+ DBG("dump regs from: 0x%x-->0x%x\n", start, end);
+ for (i = start; i < end; i++)
+ DBG("0x%x: 0x%0x\n", i, rk818_bat_read(di, i));
+}
+
+static bool rk818_bat_chrg_online(struct rk818_battery *di)
+{
+ u8 buf;
+
+ buf = rk818_bat_read(di, RK818_VB_MON_REG);
+
+ return (buf & PLUG_IN_STS) ? true : false;
+}
+
+static int rk818_bat_get_coulomb_cap(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_GASCNT3_REG) << 24;
+ val |= rk818_bat_read(di, RK818_GASCNT2_REG) << 16;
+ val |= rk818_bat_read(di, RK818_GASCNT1_REG) << 8;
+ val |= rk818_bat_read(di, RK818_GASCNT0_REG) << 0;
+
+ return (val / 2390) * di->res_div;
+}
+
+static int rk818_bat_get_rsoc(struct rk818_battery *di)
+{
+ int remain_cap;
+
+ remain_cap = rk818_bat_get_coulomb_cap(di);
+ return (remain_cap + di->fcc / 200) * 100 / DIV(di->fcc);
+}
+
+static ssize_t bat_info_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ char cmd;
+ struct rk818_battery *di = dev_get_drvdata(dev);
+
+ sscanf(buf, "%c", &cmd);
+
+ if (cmd == 'n')
+ rk818_bat_set_bits(di, RK818_MISC_MARK_REG,
+ FG_RESET_NOW, FG_RESET_NOW);
+ else if (cmd == 'm')
+ rk818_bat_set_bits(di, RK818_MISC_MARK_REG,
+ FG_RESET_LATE, FG_RESET_LATE);
+ else if (cmd == 'c')
+ rk818_bat_clear_bits(di, RK818_MISC_MARK_REG,
+ FG_RESET_LATE | FG_RESET_NOW);
+ else if (cmd == 'r')
+ BAT_INFO("0x%2x\n", rk818_bat_read(di, RK818_MISC_MARK_REG));
+ else
+ BAT_INFO("command error\n");
+
+ return count;
+}
+
+static struct device_attribute rk818_bat_attr[] = {
+ __ATTR(bat, 0664, NULL, bat_info_store),
+};
+
+static void rk818_bat_enable_gauge(struct rk818_battery *di)
+{
+ u8 buf;
+
+ buf = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ buf |= GG_EN;
+ rk818_bat_write(di, RK818_TS_CTRL_REG, buf);
+}
+
+static void rk818_bat_save_age_level(struct rk818_battery *di, u8 level)
+{
+ rk818_bat_write(di, RK818_UPDAT_LEVE_REG, level);
+}
+
+static u8 rk818_bat_get_age_level(struct rk818_battery *di)
+{
+ return rk818_bat_read(di, RK818_UPDAT_LEVE_REG);
+}
+
+static int rk818_bat_get_vcalib0(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_VCALIB0_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_VCALIB0_REGH) << 8;
+
+ DBG("<%s>. voffset0: 0x%x\n", __func__, val);
+ return val;
+}
+
+static int rk818_bat_get_vcalib1(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_VCALIB1_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_VCALIB1_REGH) << 8;
+
+ DBG("<%s>. voffset1: 0x%x\n", __func__, val);
+ return val;
+}
+
+static int rk818_bat_get_ioffset(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_IOFFSET_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_IOFFSET_REGH) << 8;
+
+ DBG("<%s>. ioffset: 0x%x\n", __func__, val);
+ return val;
+}
+
+static int rk818_bat_get_coffset(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_CAL_OFFSET_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_CAL_OFFSET_REGH) << 8;
+
+ DBG("<%s>. coffset: 0x%x\n", __func__, val);
+ return val;
+}
+
+static void rk818_bat_set_coffset(struct rk818_battery *di, int val)
+{
+ u8 buf;
+
+ if ((val < INVALID_COFFSET_MIN) || (val > INVALID_COFFSET_MAX)) {
+ BAT_INFO("set invalid coffset=0x%x\n", val);
+ return;
+ }
+
+ buf = (val >> 8) & 0xff;
+ rk818_bat_write(di, RK818_CAL_OFFSET_REGH, buf);
+ buf = (val >> 0) & 0xff;
+ rk818_bat_write(di, RK818_CAL_OFFSET_REGL, buf);
+ DBG("<%s>. coffset: 0x%x\n", __func__, val);
+}
+
+static void rk818_bat_init_voltage_kb(struct rk818_battery *di)
+{
+ int vcalib0, vcalib1;
+
+ vcalib0 = rk818_bat_get_vcalib0(di);
+ vcalib1 = rk818_bat_get_vcalib1(di);
+ di->voltage_k = (4200 - 3000) * 1000 / DIV(vcalib1 - vcalib0);
+ di->voltage_b = 4200 - (di->voltage_k * vcalib1) / 1000;
+
+ DBG("voltage_k=%d(*1000),voltage_b=%d\n", di->voltage_k, di->voltage_b);
+}
+
+static int rk818_bat_get_ocv_voltage(struct rk818_battery *di)
+{
+ int vol, val = 0;
+
+ val |= rk818_bat_read(di, RK818_BAT_OCV_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_BAT_OCV_REGH) << 8;
+
+ vol = di->voltage_k * val / 1000 + di->voltage_b;
+
+ return vol;
+}
+
+static int rk818_bat_get_avg_voltage(struct rk818_battery *di)
+{
+ int vol, val = 0;
+
+ val |= rk818_bat_read(di, RK818_BAT_VOL_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_BAT_VOL_REGH) << 8;
+
+ vol = di->voltage_k * val / 1000 + di->voltage_b;
+
+ return vol;
+}
+
+static bool is_rk818_bat_relax_mode(struct rk818_battery *di)
+{
+ u8 status;
+
+ status = rk818_bat_read(di, RK818_GGSTS_REG);
+ if (!(status & RELAX_VOL1_UPD) || !(status & RELAX_VOL2_UPD))
+ return false;
+ else
+ return true;
+}
+
+static u16 rk818_bat_get_relax_vol1(struct rk818_battery *di)
+{
+ u16 vol, val = 0;
+
+ val |= rk818_bat_read(di, RK818_RELAX_VOL1_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_RELAX_VOL1_REGH) << 8;
+ vol = di->voltage_k * val / 1000 + di->voltage_b;
+
+ return vol;
+}
+
+static u16 rk818_bat_get_relax_vol2(struct rk818_battery *di)
+{
+ u16 vol, val = 0;
+
+ val |= rk818_bat_read(di, RK818_RELAX_VOL2_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_RELAX_VOL2_REGH) << 8;
+ vol = di->voltage_k * val / 1000 + di->voltage_b;
+
+ return vol;
+}
+
+static u16 rk818_bat_get_relax_voltage(struct rk818_battery *di)
+{
+ u16 relax_vol1, relax_vol2;
+
+ if (!is_rk818_bat_relax_mode(di))
+ return 0;
+
+ relax_vol1 = rk818_bat_get_relax_vol1(di);
+ relax_vol2 = rk818_bat_get_relax_vol2(di);
+
+ return relax_vol1 > relax_vol2 ? relax_vol1 : relax_vol2;
+}
+
+static int rk818_bat_get_avg_current(struct rk818_battery *di)
+{
+ int cur, val = 0;
+
+ val |= rk818_bat_read(di, RK818_BAT_CUR_AVG_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_BAT_CUR_AVG_REGH) << 8;
+
+ if (val & 0x800)
+ val -= 4096;
+ cur = val * di->res_div * 1506 / 1000;
+
+ return cur;
+}
+
+static int rk818_bat_vol_to_ocvsoc(struct rk818_battery *di, int voltage)
+{
+ u32 *ocv_table, temp;
+ int ocv_size, ocv_soc;
+
+ ocv_table = di->pdata->ocv_table;
+ ocv_size = di->pdata->ocv_size;
+ temp = interpolate(voltage, ocv_table, ocv_size);
+ ocv_soc = ab_div_c(temp, MAX_PERCENTAGE, MAX_INTERPOLATE);
+
+ return ocv_soc;
+}
+
+static int rk818_bat_vol_to_ocvcap(struct rk818_battery *di, int voltage)
+{
+ u32 *ocv_table, temp;
+ int ocv_size, cap;
+
+ ocv_table = di->pdata->ocv_table;
+ ocv_size = di->pdata->ocv_size;
+ temp = interpolate(voltage, ocv_table, ocv_size);
+ cap = ab_div_c(temp, di->fcc, MAX_INTERPOLATE);
+
+ return cap;
+}
+
+static int rk818_bat_vol_to_zerosoc(struct rk818_battery *di, int voltage)
+{
+ u32 *ocv_table, temp;
+ int ocv_size, ocv_soc;
+
+ ocv_table = di->pdata->zero_table;
+ ocv_size = di->pdata->ocv_size;
+ temp = interpolate(voltage, ocv_table, ocv_size);
+ ocv_soc = ab_div_c(temp, MAX_PERCENTAGE, MAX_INTERPOLATE);
+
+ return ocv_soc;
+}
+
+static int rk818_bat_vol_to_zerocap(struct rk818_battery *di, int voltage)
+{
+ u32 *ocv_table, temp;
+ int ocv_size, cap;
+
+ ocv_table = di->pdata->zero_table;
+ ocv_size = di->pdata->ocv_size;
+ temp = interpolate(voltage, ocv_table, ocv_size);
+ cap = ab_div_c(temp, di->fcc, MAX_INTERPOLATE);
+
+ return cap;
+}
+
+static int rk818_bat_get_iadc(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_BAT_CUR_AVG_REGL) << 0;
+ val |= rk818_bat_read(di, RK818_BAT_CUR_AVG_REGH) << 8;
+ if (val > 2047)
+ val -= 4096;
+
+ return val;
+}
+
+static bool rk818_bat_adc_calib(struct rk818_battery *di)
+{
+ int i, ioffset, coffset, adc, save_coffset;
+
+ if ((di->chrg_status != CHARGE_FINISH) ||
+ (di->adc_calib_cnt > ADC_CALIB_CNT) ||
+ (base2min(di->boot_base) < ADC_CALIB_LMT_MIN) ||
+ (abs(di->current_avg) < ADC_CALIB_THRESHOLD))
+ return false;
+
+ di->adc_calib_cnt++;
+ save_coffset = rk818_bat_get_coffset(di);
+ for (i = 0; i < 5; i++) {
+ adc = rk818_bat_get_iadc(di);
+ if (!rk818_bat_chrg_online(di)) {
+ rk818_bat_set_coffset(di, save_coffset);
+ BAT_INFO("quit, charger plugout when calib adc\n");
+ return false;
+ }
+ coffset = rk818_bat_get_coffset(di);
+ rk818_bat_set_coffset(di, coffset + adc);
+ msleep(2000);
+ adc = rk818_bat_get_iadc(di);
+ if (abs(adc) < ADC_CALIB_THRESHOLD) {
+ coffset = rk818_bat_get_coffset(di);
+ ioffset = rk818_bat_get_ioffset(di);
+ di->poffset = coffset - ioffset;
+ rk818_bat_write(di, RK818_POFFSET_REG, di->poffset);
+ BAT_INFO("new offset:c=0x%x, i=0x%x, p=0x%x\n",
+ coffset, ioffset, di->poffset);
+ return true;
+ } else {
+ BAT_INFO("coffset calib again %d.., max_cnt=%d\n",
+ i, di->adc_calib_cnt);
+ rk818_bat_set_coffset(di, coffset);
+ msleep(2000);
+ }
+ }
+
+ rk818_bat_set_coffset(di, save_coffset);
+
+ return false;
+}
+
+static void rk818_bat_set_ioffset_sample(struct rk818_battery *di)
+{
+ u8 ggcon;
+
+ ggcon = rk818_bat_read(di, RK818_GGCON_REG);
+ ggcon &= ~ADC_CAL_MIN_MSK;
+ ggcon |= ADC_CAL_8MIN;
+ rk818_bat_write(di, RK818_GGCON_REG, ggcon);
+}
+
+static void rk818_bat_set_ocv_sample(struct rk818_battery *di)
+{
+ u8 ggcon;
+
+ ggcon = rk818_bat_read(di, RK818_GGCON_REG);
+ ggcon &= ~OCV_SAMP_MIN_MSK;
+ ggcon |= OCV_SAMP_8MIN;
+ rk818_bat_write(di, RK818_GGCON_REG, ggcon);
+}
+
+static void rk818_bat_restart_relax(struct rk818_battery *di)
+{
+ u8 ggsts;
+
+ ggsts = rk818_bat_read(di, RK818_GGSTS_REG);
+ ggsts &= ~RELAX_VOL12_UPD_MSK;
+ rk818_bat_write(di, RK818_GGSTS_REG, ggsts);
+}
+
+static void rk818_bat_set_relax_sample(struct rk818_battery *di)
+{
+ u8 buf;
+ int enter_thres, exit_thres;
+ struct battery_platform_data *pdata = di->pdata;
+
+ enter_thres = pdata->sleep_enter_current * 1000 / 1506 / DIV(di->res_div);
+ exit_thres = pdata->sleep_exit_current * 1000 / 1506 / DIV(di->res_div);
+
+ /* set relax enter and exit threshold */
+ buf = enter_thres & 0xff;
+ rk818_bat_write(di, RK818_RELAX_ENTRY_THRES_REGL, buf);
+ buf = (enter_thres >> 8) & 0xff;
+ rk818_bat_write(di, RK818_RELAX_ENTRY_THRES_REGH, buf);
+
+ buf = exit_thres & 0xff;
+ rk818_bat_write(di, RK818_RELAX_EXIT_THRES_REGL, buf);
+ buf = (exit_thres >> 8) & 0xff;
+ rk818_bat_write(di, RK818_RELAX_EXIT_THRES_REGH, buf);
+
+ /* reset relax update state */
+ rk818_bat_restart_relax(di);
+ DBG("<%s>. sleep_enter_current = %d, sleep_exit_current = %d\n",
+ __func__, pdata->sleep_enter_current, pdata->sleep_exit_current);
+}
+
+static bool is_rk818_bat_exist(struct rk818_battery *di)
+{
+ return (rk818_bat_read(di, RK818_SUP_STS_REG) & BAT_EXS) ? true : false;
+}
+
+static bool is_rk818_bat_first_pwron(struct rk818_battery *di)
+{
+ u8 buf;
+
+ buf = rk818_bat_read(di, RK818_GGSTS_REG);
+ if (buf & BAT_CON) {
+ buf &= ~BAT_CON;
+ rk818_bat_write(di, RK818_GGSTS_REG, buf);
+ return true;
+ }
+
+ return false;
+}
+
+static u8 rk818_bat_get_pwroff_min(struct rk818_battery *di)
+{
+ u8 cur, last;
+
+ cur = rk818_bat_read(di, RK818_NON_ACT_TIMER_CNT_REG);
+ last = rk818_bat_read(di, RK818_NON_ACT_TIMER_CNT_SAVE_REG);
+ rk818_bat_write(di, RK818_NON_ACT_TIMER_CNT_SAVE_REG, cur);
+
+ return (cur != last) ? cur : 0;
+}
+
+static u8 is_rk818_bat_initialized(struct rk818_battery *di)
+{
+ u8 val = rk818_bat_read(di, RK818_MISC_MARK_REG);
+
+ if (val & FG_INIT) {
+ val &= ~FG_INIT;
+ rk818_bat_write(di, RK818_MISC_MARK_REG, val);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static bool is_rk818_bat_ocv_valid(struct rk818_battery *di)
+{
+ return (!di->is_initialized && di->pwroff_min >= 30) ? true : false;
+}
+
+static void rk818_bat_init_age_algorithm(struct rk818_battery *di)
+{
+ int age_level, ocv_soc, ocv_cap, ocv_vol;
+
+ if (di->is_first_power_on || is_rk818_bat_ocv_valid(di)) {
+ DBG("<%s> enter.\n", __func__);
+ ocv_vol = rk818_bat_get_ocv_voltage(di);
+ ocv_soc = rk818_bat_vol_to_ocvsoc(di, ocv_vol);
+ ocv_cap = rk818_bat_vol_to_ocvcap(di, ocv_vol);
+ if (ocv_soc < 20) {
+ di->age_voltage = ocv_vol;
+ di->age_ocv_cap = ocv_cap;
+ di->age_ocv_soc = ocv_soc;
+ di->age_adjust_cap = 0;
+
+ if (ocv_soc <= 0)
+ di->age_level = 100;
+ else if (ocv_soc < 5)
+ di->age_level = 95;
+ else if (ocv_soc < 10)
+ di->age_level = 90;
+ else
+ di->age_level = 80;
+
+ age_level = rk818_bat_get_age_level(di);
+ if (age_level > di->age_level) {
+ di->age_allow_update = false;
+ age_level -= 5;
+ if (age_level <= 80)
+ age_level = 80;
+ rk818_bat_save_age_level(di, age_level);
+ } else {
+ di->age_allow_update = true;
+ di->age_keep_sec = get_boot_sec();
+ }
+
+ BAT_INFO("init_age_algorithm: "
+ "age_vol:%d, age_ocv_cap:%d, "
+ "age_ocv_soc:%d, old_age_level:%d, "
+ "age_allow_update:%d, new_age_level:%d\n",
+ di->age_voltage, di->age_ocv_cap,
+ ocv_soc, age_level, di->age_allow_update,
+ di->age_level);
+ }
+ }
+}
+
+static enum power_supply_property rk818_bat_props[] = {
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_COUNTER,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+};
+
+static int rk818_bat_get_charge_state(struct rk818_battery *di)
+{
+ return di->current_avg > 0;
+}
+
+int rk818_battery_get_property(struct rk818_battery *di,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = rk818_bat_get_avg_current(di) * 1000;/*uA*/
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_CURRENT * 1000;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = rk818_bat_get_avg_voltage(di) * 1000;/*uV*/
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_VOLTAGE * 1000;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = is_rk818_bat_exist(di);
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_PRESET;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = di->dsoc;
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_SOC;
+ DBG("<%s>. report dsoc: %d\n", __func__, val->intval);
+ break;
+ case POWER_SUPPLY_PROP_HEALTH:
+ val->intval = POWER_SUPPLY_HEALTH_GOOD;
+ break;
+ case POWER_SUPPLY_PROP_TEMP:
+ val->intval = di->temperature;
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_TEMPERATURE;
+ break;
+ case POWER_SUPPLY_PROP_STATUS:
+ if (di->pdata->bat_mode == MODE_VIRTUAL)
+ val->intval = VIRTUAL_STATUS;
+ else if (di->dsoc == 100)
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+ else if (rk818_bat_get_charge_state(di))
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ else
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+ val->intval = di->charge_count;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ val->intval = di->pdata->design_capacity * 1000;/* uAh */
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+ val->intval = di->voltage_max * 1000; /* uV */
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ val->intval = di->current_max * 1000; /* uA */
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rk818_battery_get_property);
+
+static int rk818_battery_get_property_psy(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct rk818_battery *di = power_supply_get_drvdata(psy);
+
+ return rk818_battery_get_property(di, psp, val);
+}
+
+static const struct power_supply_desc rk818_bat_desc = {
+ .name = "battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = rk818_bat_props,
+ .num_properties = ARRAY_SIZE(rk818_bat_props),
+ .get_property = rk818_battery_get_property_psy,
+};
+
+static __maybe_unused int rk818_bat_init_power_supply(struct rk818_battery *di)
+{
+ struct power_supply_config psy_cfg = { .drv_data = di, };
+
+ di->bat = devm_power_supply_register(di->dev, &rk818_bat_desc, &psy_cfg);
+ if (IS_ERR(di->bat)) {
+ dev_err(di->dev, "register bat power supply fail\n");
+ return PTR_ERR(di->bat);
+ }
+
+ return 0;
+}
+
+static void rk818_bat_save_cap(struct rk818_battery *di, int cap)
+{
+ u8 buf;
+ static u32 old_cap;
+
+ if (cap >= di->qmax)
+ cap = di->qmax;
+ if (cap <= 0)
+ cap = 0;
+ if (old_cap == cap)
+ return;
+
+ old_cap = cap;
+ buf = (cap >> 24) & 0xff;
+ rk818_bat_write(di, RK818_REMAIN_CAP_REG3, buf);
+ buf = (cap >> 16) & 0xff;
+ rk818_bat_write(di, RK818_REMAIN_CAP_REG2, buf);
+ buf = (cap >> 8) & 0xff;
+ rk818_bat_write(di, RK818_REMAIN_CAP_REG1, buf);
+ buf = (cap >> 0) & 0xff;
+ rk818_bat_write(di, RK818_REMAIN_CAP_REG0, buf);
+}
+
+static int rk818_bat_get_prev_cap(struct rk818_battery *di)
+{
+ int val = 0;
+
+ val |= rk818_bat_read(di, RK818_REMAIN_CAP_REG3) << 24;
+ val |= rk818_bat_read(di, RK818_REMAIN_CAP_REG2) << 16;
+ val |= rk818_bat_read(di, RK818_REMAIN_CAP_REG1) << 8;
+ val |= rk818_bat_read(di, RK818_REMAIN_CAP_REG0) << 0;
+
+ return val;
+}
+
+static void rk818_bat_save_fcc(struct rk818_battery *di, u32 fcc)
+{
+ u8 buf;
+
+ buf = (fcc >> 24) & 0xff;
+ rk818_bat_write(di, RK818_NEW_FCC_REG3, buf);
+ buf = (fcc >> 16) & 0xff;
+ rk818_bat_write(di, RK818_NEW_FCC_REG2, buf);
+ buf = (fcc >> 8) & 0xff;
+ rk818_bat_write(di, RK818_NEW_FCC_REG1, buf);
+ buf = (fcc >> 0) & 0xff;
+ rk818_bat_write(di, RK818_NEW_FCC_REG0, buf);
+
+ BAT_INFO("save fcc: %d\n", fcc);
+}
+
+static int rk818_bat_get_fcc(struct rk818_battery *di)
+{
+ u32 fcc = 0;
+
+ fcc |= rk818_bat_read(di, RK818_NEW_FCC_REG3) << 24;
+ fcc |= rk818_bat_read(di, RK818_NEW_FCC_REG2) << 16;
+ fcc |= rk818_bat_read(di, RK818_NEW_FCC_REG1) << 8;
+ fcc |= rk818_bat_read(di, RK818_NEW_FCC_REG0) << 0;
+
+ if (fcc < MIN_FCC) {
+ BAT_INFO("invalid fcc(%d), use design cap", fcc);
+ fcc = di->pdata->design_capacity;
+ rk818_bat_save_fcc(di, fcc);
+ } else if (fcc > di->pdata->design_qmax) {
+ BAT_INFO("invalid fcc(%d), use qmax", fcc);
+ fcc = di->pdata->design_qmax;
+ rk818_bat_save_fcc(di, fcc);
+ }
+
+ return fcc;
+}
+
+static void rk818_bat_init_coulomb_cap(struct rk818_battery *di, u32 capacity)
+{
+ u8 buf;
+ u32 cap;
+
+ cap = capacity * 2390 / DIV(di->res_div);
+ buf = (cap >> 24) & 0xff;
+ rk818_bat_write(di, RK818_GASCNT_CAL_REG3, buf);
+ buf = (cap >> 16) & 0xff;
+ rk818_bat_write(di, RK818_GASCNT_CAL_REG2, buf);
+ buf = (cap >> 8) & 0xff;
+ rk818_bat_write(di, RK818_GASCNT_CAL_REG1, buf);
+ buf = ((cap >> 0) & 0xff);
+ rk818_bat_write(di, RK818_GASCNT_CAL_REG0, buf);
+
+ DBG("<%s>. new coulomb cap = %d\n", __func__, capacity);
+ di->remain_cap = capacity;
+ di->rsoc = rk818_bat_get_rsoc(di);
+}
+
+static void rk818_bat_save_dsoc(struct rk818_battery *di, u8 save_soc)
+{
+ static int last_soc = -1;
+
+ if (last_soc != save_soc) {
+ rk818_bat_write(di, RK818_SOC_REG, save_soc);
+ last_soc = save_soc;
+ }
+}
+
+static int rk818_bat_get_prev_dsoc(struct rk818_battery *di)
+{
+ return rk818_bat_read(di, RK818_SOC_REG);
+}
+
+static void rk818_bat_save_reboot_cnt(struct rk818_battery *di, u8 save_cnt)
+{
+ rk818_bat_write(di, RK818_REBOOT_CNT_REG, save_cnt);
+}
+
+static u8 rk818_bat_get_halt_cnt(struct rk818_battery *di)
+{
+ return rk818_bat_read(di, RK818_HALT_CNT_REG);
+}
+
+static void rk818_bat_inc_halt_cnt(struct rk818_battery *di)
+{
+ u8 cnt;
+
+ cnt = rk818_bat_read(di, RK818_HALT_CNT_REG);
+ rk818_bat_write(di, RK818_HALT_CNT_REG, ++cnt);
+}
+
+static bool is_rk818_bat_last_halt(struct rk818_battery *di)
+{
+ int pre_cap = rk818_bat_get_prev_cap(di);
+ int now_cap = rk818_bat_get_coulomb_cap(di);
+
+ /* over 10%: system halt last time */
+ if (abs(now_cap - pre_cap) > (di->fcc / 10)) {
+ rk818_bat_inc_halt_cnt(di);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static void rk818_bat_first_pwron(struct rk818_battery *di)
+{
+ int ocv_vol;
+
+ rk818_bat_save_fcc(di, di->design_cap);
+ ocv_vol = rk818_bat_get_ocv_voltage(di);
+ di->fcc = rk818_bat_get_fcc(di);
+ di->nac = rk818_bat_vol_to_ocvcap(di, ocv_vol);
+ di->rsoc = rk818_bat_vol_to_ocvsoc(di, ocv_vol);
+ di->dsoc = di->rsoc;
+ di->is_first_on = true;
+
+ BAT_INFO("first on: dsoc=%d, rsoc=%d cap=%d, fcc=%d, ov=%d\n",
+ di->dsoc, di->rsoc, di->nac, di->fcc, ocv_vol);
+}
+
+static void rk818_bat_not_first_pwron(struct rk818_battery *di)
+{
+ int now_cap, pre_soc, pre_cap, ocv_cap, ocv_soc, ocv_vol;
+
+ di->fcc = rk818_bat_get_fcc(di);
+ pre_soc = rk818_bat_get_prev_dsoc(di);
+ pre_cap = rk818_bat_get_prev_cap(di);
+ now_cap = rk818_bat_get_coulomb_cap(di);
+ di->is_halt = is_rk818_bat_last_halt(di);
+ di->halt_cnt = rk818_bat_get_halt_cnt(di);
+ di->is_initialized = is_rk818_bat_initialized(di);
+ di->is_ocv_calib = is_rk818_bat_ocv_valid(di);
+
+ if (di->is_initialized) {
+ BAT_INFO("initialized yet..\n");
+ goto finish;
+ } else if (di->is_halt) {
+ BAT_INFO("system halt last time... cap: pre=%d, now=%d\n",
+ pre_cap, now_cap);
+ if (now_cap < 0)
+ now_cap = 0;
+ rk818_bat_init_coulomb_cap(di, now_cap);
+ pre_cap = now_cap;
+ pre_soc = di->rsoc;
+ goto finish;
+ } else if (di->is_ocv_calib) {
+ ocv_vol = rk818_bat_get_ocv_voltage(di);
+ ocv_soc = rk818_bat_vol_to_ocvsoc(di, ocv_vol);
+ ocv_cap = rk818_bat_vol_to_ocvcap(di, ocv_vol);
+ pre_cap = ocv_cap;
+ di->ocv_pre_dsoc = pre_soc;
+ di->ocv_new_dsoc = ocv_soc;
+ if (abs(ocv_soc - pre_soc) >= di->pdata->max_soc_offset) {
+ di->ocv_pre_dsoc = pre_soc;
+ di->ocv_new_dsoc = ocv_soc;
+ di->is_max_soc_offset = true;
+ BAT_INFO("trigger max soc offset, dsoc: %d -> %d\n",
+ pre_soc, ocv_soc);
+ pre_soc = ocv_soc;
+ }
+ BAT_INFO("OCV calib: cap=%d, rsoc=%d\n", ocv_cap, ocv_soc);
+ } else if (di->pwroff_min > 0) {
+ ocv_vol = rk818_bat_get_ocv_voltage(di);
+ ocv_soc = rk818_bat_vol_to_ocvsoc(di, ocv_vol);
+ ocv_cap = rk818_bat_vol_to_ocvcap(di, ocv_vol);
+ di->force_pre_dsoc = pre_soc;
+ di->force_new_dsoc = ocv_soc;
+ if (abs(ocv_soc - pre_soc) >= 80) {
+ di->is_force_calib = true;
+ BAT_INFO("dsoc force calib: %d -> %d\n",
+ pre_soc, ocv_soc);
+ pre_soc = ocv_soc;
+ pre_cap = ocv_cap;
+ }
+ }
+
+finish:
+ di->dsoc = pre_soc;
+ di->nac = pre_cap;
+ if (di->nac < 0)
+ di->nac = 0;
+
+ BAT_INFO("dsoc=%d cap=%d v=%d ov=%d rv=%d min=%d psoc=%d pcap=%d\n",
+ di->dsoc, di->nac, rk818_bat_get_avg_voltage(di),
+ rk818_bat_get_ocv_voltage(di), rk818_bat_get_relax_voltage(di),
+ di->pwroff_min, rk818_bat_get_prev_dsoc(di),
+ rk818_bat_get_prev_cap(di));
+}
+
+static bool rk818_bat_ocv_sw_reset(struct rk818_battery *di)
+{
+ u8 buf;
+
+ buf = rk818_bat_read(di, RK818_MISC_MARK_REG);
+ if (((buf & FG_RESET_LATE) && di->pwroff_min >= 30) ||
+ (buf & FG_RESET_NOW)) {
+ buf &= ~FG_RESET_LATE;
+ buf &= ~FG_RESET_NOW;
+ rk818_bat_write(di, RK818_MISC_MARK_REG, buf);
+ BAT_INFO("manual reset fuel gauge\n");
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static void rk818_bat_init_rsoc(struct rk818_battery *di)
+{
+ di->is_first_power_on = is_rk818_bat_first_pwron(di);
+ di->is_sw_reset = rk818_bat_ocv_sw_reset(di);
+ di->pwroff_min = rk818_bat_get_pwroff_min(di);
+
+ if (di->is_first_power_on || di->is_sw_reset)
+ rk818_bat_first_pwron(di);
+ else
+ rk818_bat_not_first_pwron(di);
+}
+
+static u8 rk818_bat_get_chrg_status(struct rk818_battery *di)
+{
+ u8 status;
+
+ status = rk818_bat_read(di, RK818_SUP_STS_REG) & CHRG_STATUS_MSK;
+ switch (status) {
+ case CHARGE_OFF:
+ DBG("CHARGE-OFF ...\n");
+ break;
+ case DEAD_CHARGE:
+ BAT_INFO("DEAD CHARGE...\n");
+ break;
+ case TRICKLE_CHARGE:
+ BAT_INFO("TRICKLE CHARGE...\n ");
+ break;
+ case CC_OR_CV:
+ DBG("CC or CV...\n");
+ break;
+ case CHARGE_FINISH:
+ DBG("CHARGE FINISH...\n");
+ break;
+ case USB_OVER_VOL:
+ BAT_INFO("USB OVER VOL...\n");
+ break;
+ case BAT_TMP_ERR:
+ BAT_INFO("BAT TMP ERROR...\n");
+ break;
+ case TIMER_ERR:
+ BAT_INFO("TIMER ERROR...\n");
+ break;
+ case USB_EXIST:
+ BAT_INFO("USB EXIST...\n");
+ break;
+ case USB_EFF:
+ BAT_INFO("USB EFF...\n");
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return status;
+}
+
+static u8 rk818_bat_parse_fb_temperature(struct rk818_battery *di)
+{
+ u8 reg;
+ int index, fb_temp;
+
+ reg = DEFAULT_FB_TEMP;
+ fb_temp = di->pdata->fb_temp;
+ for (index = 0; index < ARRAY_SIZE(feedback_temp_array); index++) {
+ if (fb_temp < feedback_temp_array[index])
+ break;
+ reg = (index << FB_TEMP_SHIFT);
+ }
+
+ return reg;
+}
+
+static u8 rk818_bat_parse_finish_ma(struct rk818_battery *di, int fcc)
+{
+ u8 ma;
+
+ if (di->pdata->sample_res == SAMPLE_RES_10MR)
+ ma = FINISH_100MA;
+ else if (fcc > 5000)
+ ma = FINISH_250MA;
+ else if (fcc >= 4000)
+ ma = FINISH_200MA;
+ else if (fcc >= 3000)
+ ma = FINISH_150MA;
+ else
+ ma = FINISH_100MA;
+
+ return ma;
+}
+
+static void rk818_bat_init_chrg_config(struct rk818_battery *di)
+{
+ u8 usb_ctrl, chrg_ctrl2, chrg_ctrl3;
+ u8 thermal, ggcon, finish_ma, fb_temp;
+
+ finish_ma = rk818_bat_parse_finish_ma(di, di->fcc);
+ fb_temp = rk818_bat_parse_fb_temperature(di);
+
+ ggcon = rk818_bat_read(di, RK818_GGCON_REG);
+ thermal = rk818_bat_read(di, RK818_THERMAL_REG);
+ usb_ctrl = rk818_bat_read(di, RK818_USB_CTRL_REG);
+ chrg_ctrl2 = rk818_bat_read(di, RK818_CHRG_CTRL_REG2);
+ chrg_ctrl3 = rk818_bat_read(di, RK818_CHRG_CTRL_REG3);
+
+ /* set charge finish current */
+ chrg_ctrl3 |= CHRG_TERM_DIG_SIGNAL;
+ chrg_ctrl2 &= ~FINISH_CUR_MSK;
+ chrg_ctrl2 |= finish_ma;
+
+ /* disable cccv mode */
+ chrg_ctrl3 &= ~CHRG_TIMER_CCCV_EN;
+
+ /* set feed back temperature */
+ if (di->pdata->fb_temp)
+ usb_ctrl |= CHRG_CT_EN;
+ else
+ usb_ctrl &= ~CHRG_CT_EN;
+ thermal &= ~FB_TEMP_MSK;
+ thermal |= fb_temp;
+
+ /* adc current mode */
+ ggcon |= ADC_CUR_MODE;
+
+ rk818_bat_write(di, RK818_GGCON_REG, ggcon);
+ rk818_bat_write(di, RK818_THERMAL_REG, thermal);
+ rk818_bat_write(di, RK818_USB_CTRL_REG, usb_ctrl);
+ rk818_bat_write(di, RK818_CHRG_CTRL_REG2, chrg_ctrl2);
+ rk818_bat_write(di, RK818_CHRG_CTRL_REG3, chrg_ctrl3);
+}
+
+static void rk818_bat_init_coffset(struct rk818_battery *di)
+{
+ int coffset, ioffset;
+
+ ioffset = rk818_bat_get_ioffset(di);
+ di->poffset = rk818_bat_read(di, RK818_POFFSET_REG);
+ if (!di->poffset)
+ di->poffset = DEFAULT_POFFSET;
+
+ coffset = di->poffset + ioffset;
+ if (coffset < INVALID_COFFSET_MIN || coffset > INVALID_COFFSET_MAX)
+ coffset = DEFAULT_COFFSET;
+
+ rk818_bat_set_coffset(di, coffset);
+
+ DBG("<%s>. offset: p=0x%x, i=0x%x, c=0x%x\n",
+ __func__, di->poffset, ioffset, rk818_bat_get_coffset(di));
+}
+
+static void rk818_bat_caltimer_isr(struct timer_list *t)
+{
+ struct rk818_battery *di = from_timer(di, t, caltimer);
+
+ mod_timer(&di->caltimer, jiffies + MINUTE(8) * HZ);
+ queue_delayed_work(di->bat_monitor_wq, &di->calib_delay_work,
+ msecs_to_jiffies(10));
+}
+
+static void rk818_bat_internal_calib(struct work_struct *work)
+{
+ int ioffset, poffset;
+ struct rk818_battery *di = container_of(work,
+ struct rk818_battery, calib_delay_work.work);
+
+ /* calib coffset */
+ poffset = rk818_bat_read(di, RK818_POFFSET_REG);
+ if (poffset)
+ di->poffset = poffset;
+ else
+ di->poffset = DEFAULT_POFFSET;
+
+ ioffset = rk818_bat_get_ioffset(di);
+ rk818_bat_set_coffset(di, ioffset + di->poffset);
+
+ /* calib voltage kb */
+ rk818_bat_init_voltage_kb(di);
+ BAT_INFO("caltimer: ioffset=0x%x, coffset=0x%x, poffset=%d\n",
+ ioffset, rk818_bat_get_coffset(di), di->poffset);
+}
+
+static void rk818_bat_init_caltimer(struct rk818_battery *di)
+{
+ timer_setup(&di->caltimer, rk818_bat_caltimer_isr, 0);
+ di->caltimer.expires = jiffies + MINUTE(8) * HZ;
+ add_timer(&di->caltimer);
+ INIT_DELAYED_WORK(&di->calib_delay_work, rk818_bat_internal_calib);
+}
+
+static void rk818_bat_init_zero_table(struct rk818_battery *di)
+{
+ int i, diff, min, max;
+ size_t ocv_size, length;
+
+ ocv_size = di->pdata->ocv_size;
+ length = sizeof(di->pdata->zero_table) * ocv_size;
+ di->pdata->zero_table =
+ devm_kzalloc(di->dev, length, GFP_KERNEL);
+ if (!di->pdata->zero_table) {
+ di->pdata->zero_table = di->pdata->ocv_table;
+ dev_err(di->dev, "malloc zero table fail\n");
+ return;
+ }
+
+ min = di->pdata->pwroff_vol,
+ max = di->pdata->ocv_table[ocv_size - 4];
+ diff = (max - min) / DIV(ocv_size - 1);
+ for (i = 0; i < ocv_size; i++)
+ di->pdata->zero_table[i] = min + (i * diff);
+
+ for (i = 0; i < ocv_size; i++)
+ DBG("zero[%d] = %d\n", i, di->pdata->zero_table[i]);
+
+ for (i = 0; i < ocv_size; i++)
+ DBG("ocv[%d] = %d\n", i, di->pdata->ocv_table[i]);
+}
+
+static void rk818_bat_calc_sm_linek(struct rk818_battery *di)
+{
+ int linek, current_avg;
+ u8 diff, delta;
+
+ delta = abs(di->dsoc - di->rsoc);
+ diff = delta * 3;/* speed:3/4 */
+ current_avg = rk818_bat_get_avg_current(di);
+ if (current_avg >= 0) {
+ if (di->dsoc < di->rsoc)
+ linek = 1000 * (delta + diff) / DIV(diff);
+ else if (di->dsoc > di->rsoc)
+ linek = 1000 * diff / DIV(delta + diff);
+ else
+ linek = 1000;
+ di->dbg_meet_soc = (di->dsoc >= di->rsoc) ?
+ (di->dsoc + diff) : (di->rsoc + diff);
+ } else {
+ if (di->dsoc < di->rsoc)
+ linek = -1000 * diff / DIV(delta + diff);
+ else if (di->dsoc > di->rsoc)
+ linek = -1000 * (delta + diff) / DIV(diff);
+ else
+ linek = -1000;
+ di->dbg_meet_soc = (di->dsoc >= di->rsoc) ?
+ (di->dsoc - diff) : (di->rsoc - diff);
+ }
+
+ di->sm_linek = linek;
+ di->sm_remain_cap = di->remain_cap;
+ di->dbg_calc_dsoc = di->dsoc;
+ di->dbg_calc_rsoc = di->rsoc;
+
+ DBG("<%s>.diff=%d, k=%d, cur=%d\n", __func__, diff, linek, current_avg);
+}
+
+static void rk818_bat_calc_zero_linek(struct rk818_battery *di)
+{
+ int dead_voltage, ocv_voltage;
+ int voltage_avg, current_avg, vsys;
+ int ocv_cap, dead_cap, xsoc;
+ int ocv_soc, dead_soc;
+ int pwroff_vol;
+ int i, cnt = 0, vol_old, vol_now;
+ int org_linek = 0, min_gap_xsoc;
+
+ if ((abs(di->current_avg) < 500) && (di->dsoc > 10))
+ pwroff_vol = di->pdata->pwroff_vol + 50;
+ else
+ pwroff_vol = di->pdata->pwroff_vol;
+
+ do {
+ vol_old = rk818_bat_get_avg_voltage(di);
+ msleep(100);
+ vol_now = rk818_bat_get_avg_voltage(di);
+ cnt++;
+ } while ((vol_old == vol_now) && (cnt < 11));
+
+ voltage_avg = 0;
+ for (i = 0; i < 10; i++) {
+ voltage_avg += rk818_bat_get_avg_voltage(di);
+ msleep(100);
+ }
+
+ /* calc estimate ocv voltage */
+ voltage_avg /= 10;
+ current_avg = rk818_bat_get_avg_current(di);
+ vsys = voltage_avg + (current_avg * DEF_PWRPATH_RES) / 1000;
+
+ DBG("ZERO0: shtd_vol: org = %d, now = %d, zero_reserve_dsoc = %d\n",
+ di->pdata->pwroff_vol, pwroff_vol, di->pdata->zero_reserve_dsoc);
+
+ dead_voltage = pwroff_vol - current_avg *
+ (di->bat_res + DEF_PWRPATH_RES) / 1000;
+ ocv_voltage = voltage_avg - (current_avg * di->bat_res) / 1000;
+ DBG("ZERO0: dead_voltage(shtd) = %d, ocv_voltage(now) = %d\n",
+ dead_voltage, ocv_voltage);
+
+ /* calc estimate soc and cap */
+ dead_soc = rk818_bat_vol_to_zerosoc(di, dead_voltage);
+ dead_cap = rk818_bat_vol_to_zerocap(di, dead_voltage);
+ DBG("ZERO0: dead_soc = %d, dead_cap = %d\n",
+ dead_soc, dead_cap);
+
+ ocv_soc = rk818_bat_vol_to_zerosoc(di, ocv_voltage);
+ ocv_cap = rk818_bat_vol_to_zerocap(di, ocv_voltage);
+ DBG("ZERO0: ocv_soc = %d, ocv_cap = %d\n",
+ ocv_soc, ocv_cap);
+
+ /* xsoc: available rsoc */
+ xsoc = ocv_soc - dead_soc;
+
+ /* min_gap_xsoc: reserve xsoc */
+ if (abs(current_avg) > ZERO_LOAD_LVL1)
+ min_gap_xsoc = ZERO_GAP_XSOC3;
+ else if (abs(current_avg) > ZERO_LOAD_LVL2)
+ min_gap_xsoc = ZERO_GAP_XSOC2;
+ else
+ min_gap_xsoc = ZERO_GAP_XSOC1;
+
+ if ((xsoc <= 30) && (di->dsoc >= di->pdata->zero_reserve_dsoc))
+ min_gap_xsoc = min_gap_xsoc + ZERO_GAP_CALIB;
+
+ di->zero_remain_cap = di->remain_cap;
+ di->zero_timeout_cnt = 0;
+ if ((di->dsoc <= 1) && (xsoc > 0)) {
+ di->zero_linek = 400;
+ di->zero_drop_sec = 0;
+ } else if (xsoc >= 0) {
+ di->zero_drop_sec = 0;
+ di->zero_linek = (di->zero_dsoc + xsoc / 2) / DIV(xsoc);
+ org_linek = di->zero_linek;
+ /* battery energy mode to use up voltage */
+ if ((di->pdata->energy_mode) &&
+ (xsoc - di->dsoc >= ZERO_GAP_XSOC3) &&
+ (di->dsoc <= 10) && (di->zero_linek < 300)) {
+ di->zero_linek = 300;
+ DBG("ZERO-new: zero_linek adjust step0...\n");
+ /* reserve enough power yet, slow down any way */
+ } else if ((xsoc - di->dsoc >= min_gap_xsoc) ||
+ ((xsoc - di->dsoc >= ZERO_GAP_XSOC2) &&
+ (di->dsoc <= 10) && (xsoc > 15))) {
+ if (xsoc <= 20 &&
+ di->dsoc >= di->pdata->zero_reserve_dsoc)
+ di->zero_linek = 1200;
+ else if (xsoc - di->dsoc >= 2 * min_gap_xsoc)
+ di->zero_linek = 400;
+ else if (xsoc - di->dsoc >= 3 + min_gap_xsoc)
+ di->zero_linek = 600;
+ else
+ di->zero_linek = 800;
+ DBG("ZERO-new: zero_linek adjust step1...\n");
+ /* control zero mode beginning enter */
+ } else if ((di->zero_linek > 1800) && (di->dsoc > 70)) {
+ di->zero_linek = 1800;
+ DBG("ZERO-new: zero_linek adjust step2...\n");
+ /* dsoc close to xsoc: it must reserve power */
+ } else if ((di->zero_linek > 1000) && (di->zero_linek < 1200)) {
+ di->zero_linek = 1200;
+ DBG("ZERO-new: zero_linek adjust step3...\n");
+ /* dsoc[5~15], dsoc < xsoc */
+ } else if ((di->dsoc <= 15 && di->dsoc > 5) &&
+ (di->zero_linek <= 1200)) {
+ /* slow down */
+ if (xsoc - di->dsoc >= min_gap_xsoc)
+ di->zero_linek = 800;
+ /* reserve power */
+ else
+ di->zero_linek = 1200;
+ DBG("ZERO-new: zero_linek adjust step4...\n");
+ /* dsoc[5, 100], dsoc < xsoc */
+ } else if ((di->zero_linek < 1000) && (di->dsoc >= 5)) {
+ if ((xsoc - di->dsoc) < min_gap_xsoc) {
+ /* reserve power */
+ di->zero_linek = 1200;
+ } else {
+ if (abs(di->current_avg) > 500)/* heavy */
+ di->zero_linek = 900;
+ else
+ di->zero_linek = 1000;
+ }
+ DBG("ZERO-new: zero_linek adjust step5...\n");
+ /* dsoc[0~5], dsoc < xsoc */
+ } else if ((di->zero_linek < 1000) && (di->dsoc <= 5)) {
+ if ((xsoc - di->dsoc) <= 3)
+ di->zero_linek = 1200;
+ else
+ di->zero_linek = 800;
+ DBG("ZERO-new: zero_linek adjust step6...\n");
+ }
+ } else {
+ /* xsoc < 0 */
+ di->zero_linek = 1000;
+ if (!di->zero_drop_sec)
+ di->zero_drop_sec = get_boot_sec();
+ if (base2sec(di->zero_drop_sec) >= WAIT_DSOC_DROP_SEC) {
+ DBG("ZERO0: t=%lu\n", base2sec(di->zero_drop_sec));
+ di->zero_drop_sec = 0;
+ di->dsoc--;
+ di->zero_dsoc = (di->dsoc + 1) * 1000 -
+ MIN_ACCURACY;
+ }
+ }
+
+ if (voltage_avg < pwroff_vol - 70) {
+ if (!di->shtd_drop_sec)
+ di->shtd_drop_sec = get_boot_sec();
+ if (base2sec(di->shtd_drop_sec) > WAIT_SHTD_DROP_SEC) {
+ BAT_INFO("voltage extreme low...soc:%d->0\n", di->dsoc);
+ di->shtd_drop_sec = 0;
+ di->dsoc = 0;
+ }
+ } else {
+ di->shtd_drop_sec = 0;
+ }
+
+ DBG("ZERO-new: org_linek=%d, zero_linek=%d, dsoc=%d, Xsoc=%d, "
+ "rsoc=%d, gap=%d, v=%d, vsys=%d\n"
+ "ZERO-new: di->zero_dsoc=%d, zero_remain_cap=%d, zero_drop=%ld, "
+ "sht_drop=%ld\n\n",
+ org_linek, di->zero_linek, di->dsoc, xsoc, di->rsoc,
+ min_gap_xsoc, voltage_avg, vsys, di->zero_dsoc, di->zero_remain_cap,
+ base2sec(di->zero_drop_sec), base2sec(di->shtd_drop_sec));
+}
+
+static void rk818_bat_finish_algo_prepare(struct rk818_battery *di)
+{
+ di->finish_base = get_boot_sec();
+ if (!di->finish_base)
+ di->finish_base = 1;
+}
+
+static void rk818_bat_smooth_algo_prepare(struct rk818_battery *di)
+{
+ int tmp_soc;
+
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc != di->dsoc)
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+
+ tmp_soc = di->sm_dischrg_dsoc / 1000;
+ if (tmp_soc != di->dsoc)
+ di->sm_dischrg_dsoc =
+ (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+
+ DBG("<%s>. tmp_soc=%d, dsoc=%d, dsoc:sm_dischrg=%d, sm_chrg=%d\n",
+ __func__, tmp_soc, di->dsoc, di->sm_dischrg_dsoc, di->sm_chrg_dsoc);
+
+ rk818_bat_calc_sm_linek(di);
+}
+
+static void rk818_bat_zero_algo_prepare(struct rk818_battery *di)
+{
+ int tmp_dsoc;
+
+ di->zero_timeout_cnt = 0;
+ tmp_dsoc = di->zero_dsoc / 1000;
+ if (tmp_dsoc != di->dsoc)
+ di->zero_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+
+ DBG("<%s>. first calc, reinit linek\n", __func__);
+
+ rk818_bat_calc_zero_linek(di);
+}
+
+static void rk818_bat_calc_zero_algorithm(struct rk818_battery *di)
+{
+ int tmp_soc = 0, sm_delta_dsoc = 0;
+
+ tmp_soc = di->zero_dsoc / 1000;
+ if (tmp_soc == di->dsoc)
+ goto out;
+
+ DBG("<%s>. enter: dsoc=%d, rsoc=%d\n", __func__, di->dsoc, di->rsoc);
+ /* when discharge slow down, take sm chrg into calc */
+ if (di->dsoc < di->rsoc) {
+ /* take sm charge rest into calc */
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ sm_delta_dsoc = di->sm_chrg_dsoc - di->dsoc * 1000;
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+ di->zero_dsoc += sm_delta_dsoc;
+ DBG("ZERO1: take sm chrg,delta=%d\n", sm_delta_dsoc);
+ }
+ }
+
+ /* when discharge speed up, take sm dischrg into calc */
+ if (di->dsoc > di->rsoc) {
+ /* take sm discharge rest into calc */
+ tmp_soc = di->sm_dischrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ sm_delta_dsoc = di->sm_dischrg_dsoc -
+ ((di->dsoc + 1) * 1000 - MIN_ACCURACY);
+ di->sm_dischrg_dsoc = (di->dsoc + 1) * 1000 -
+ MIN_ACCURACY;
+ di->zero_dsoc += sm_delta_dsoc;
+ DBG("ZERO1: take sm dischrg,delta=%d\n", sm_delta_dsoc);
+ }
+ }
+
+ /* check overflow */
+ if (di->zero_dsoc > (di->dsoc + 1) * 1000 - MIN_ACCURACY) {
+ DBG("ZERO1: zero dsoc overflow: %d\n", di->zero_dsoc);
+ di->zero_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ }
+
+ /* check new dsoc */
+ tmp_soc = di->zero_dsoc / 1000;
+ if (tmp_soc != di->dsoc) {
+ /* avoid dsoc jump when heavy load */
+ if ((di->dsoc - tmp_soc) > 1) {
+ di->dsoc--;
+ di->zero_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ DBG("ZERO1: heavy load...\n");
+ } else {
+ di->dsoc = tmp_soc;
+ }
+ di->zero_drop_sec = 0;
+ }
+
+out:
+ DBG("ZERO1: zero_dsoc(Y0)=%d, dsoc=%d, rsoc=%d, tmp_soc=%d\n",
+ di->zero_dsoc, di->dsoc, di->rsoc, tmp_soc);
+ DBG("ZERO1: sm_dischrg_dsoc=%d, sm_chrg_dsoc=%d\n",
+ di->sm_dischrg_dsoc, di->sm_chrg_dsoc);
+}
+
+static void rk818_bat_zero_algorithm(struct rk818_battery *di)
+{
+ int delta_cap = 0, delta_soc = 0;
+
+ di->zero_timeout_cnt++;
+ delta_cap = di->zero_remain_cap - di->remain_cap;
+ delta_soc = di->zero_linek * (delta_cap * 100) / DIV(di->fcc);
+
+ DBG("ZERO1: zero_linek=%d, zero_dsoc(Y0)=%d, dsoc=%d, rsoc=%d\n"
+ "ZERO1: delta_soc(X0)=%d, delta_cap=%d, zero_remain_cap = %d\n"
+ "ZERO1: timeout_cnt=%d, sm_dischrg=%d, sm_chrg=%d\n\n",
+ di->zero_linek, di->zero_dsoc, di->dsoc, di->rsoc,
+ delta_soc, delta_cap, di->zero_remain_cap,
+ di->zero_timeout_cnt, di->sm_dischrg_dsoc, di->sm_chrg_dsoc);
+
+ if ((delta_soc >= MIN_ZERO_DSOC_ACCURACY) ||
+ (di->zero_timeout_cnt > MIN_ZERO_OVERCNT) ||
+ (di->zero_linek == 0)) {
+ DBG("ZERO1:--------- enter calc -----------\n");
+ di->zero_timeout_cnt = 0;
+ di->zero_dsoc -= delta_soc;
+ rk818_bat_calc_zero_algorithm(di);
+ rk818_bat_calc_zero_linek(di);
+ }
+}
+
+static void rk818_bat_dump_time_table(struct rk818_battery *di)
+{
+ u8 i;
+ static int old_index;
+ static int old_min;
+ int mod = di->dsoc % 10;
+ int index = di->dsoc / 10;
+ u32 time;
+
+ if (rk818_bat_chrg_online(di))
+ time = base2min(di->plug_in_base);
+ else
+ time = base2min(di->plug_out_base);
+
+ if ((mod == 0) && (index > 0) && (old_index != index)) {
+ di->dbg_chrg_min[index - 1] = time - old_min;
+ old_min = time;
+ old_index = index;
+ }
+
+ for (i = 1; i < 11; i++)
+ DBG("Time[%d]=%d, ", (i * 10), di->dbg_chrg_min[i - 1]);
+ DBG("\n");
+}
+
+static void rk818_bat_debug_info(struct rk818_battery *di)
+{
+ u8 sup_tst, ggcon, ggsts, vb_mod, ts_ctrl, reboot_cnt;
+ u8 usb_ctrl, chrg_ctrl1, thermal;
+ u8 int_sts1, int_sts2;
+ u8 int_msk1, int_msk2;
+ u8 chrg_ctrl2, chrg_ctrl3, rtc, misc, dcdc_en;
+ char *work_mode[] = {"ZERO", "FINISH", "UN", "UN", "SMOOTH"};
+ char *bat_mode[] = {"BAT", "VIRTUAL"};
+
+ if (rk818_bat_chrg_online(di))
+ di->plug_out_base = get_boot_sec();
+ else
+ di->plug_in_base = get_boot_sec();
+
+ rk818_bat_dump_time_table(di);
+
+ if (!dbg_enable)
+ return;
+
+ ts_ctrl = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ misc = rk818_bat_read(di, RK818_MISC_MARK_REG);
+ ggcon = rk818_bat_read(di, RK818_GGCON_REG);
+ ggsts = rk818_bat_read(di, RK818_GGSTS_REG);
+ sup_tst = rk818_bat_read(di, RK818_SUP_STS_REG);
+ vb_mod = rk818_bat_read(di, RK818_VB_MON_REG);
+ usb_ctrl = rk818_bat_read(di, RK818_USB_CTRL_REG);
+ chrg_ctrl1 = rk818_bat_read(di, RK818_CHRG_CTRL_REG1);
+ chrg_ctrl2 = rk818_bat_read(di, RK818_CHRG_CTRL_REG2);
+ chrg_ctrl3 = rk818_bat_read(di, RK818_CHRG_CTRL_REG3);
+ rtc = rk818_bat_read(di, 0);
+ thermal = rk818_bat_read(di, RK818_THERMAL_REG);
+ int_sts1 = rk818_bat_read(di, RK818_INT_STS_REG1);
+ int_sts2 = rk818_bat_read(di, RK818_INT_STS_REG2);
+ int_msk1 = rk818_bat_read(di, RK818_INT_STS_MSK_REG1);
+ int_msk2 = rk818_bat_read(di, RK818_INT_STS_MSK_REG2);
+ dcdc_en = rk818_bat_read(di, RK818_DCDC_EN_REG);
+ reboot_cnt = rk818_bat_read(di, RK818_REBOOT_CNT_REG);
+
+ DBG("\n------- DEBUG REGS, [Ver: %s] -------------------\n"
+ "GGCON=0x%2x, GGSTS=0x%2x, RTC=0x%2x, DCDC_EN2=0x%2x\n"
+ "SUP_STS= 0x%2x, VB_MOD=0x%2x, USB_CTRL=0x%2x\n"
+ "THERMAL=0x%2x, MISC_MARK=0x%2x, TS_CTRL=0x%2x\n"
+ "CHRG_CTRL:REG1=0x%2x, REG2=0x%2x, REG3=0x%2x\n"
+ "INT_STS: REG1=0x%2x, REG2=0x%2x\n"
+ "INT_MSK: REG1=0x%2x, REG2=0x%2x\n",
+ DRIVER_VERSION, ggcon, ggsts, rtc, dcdc_en,
+ sup_tst, vb_mod, usb_ctrl,
+ thermal, misc, ts_ctrl,
+ chrg_ctrl1, chrg_ctrl2, chrg_ctrl3,
+ int_sts1, int_sts2, int_msk1, int_msk2
+ );
+
+ DBG("###############################################################\n"
+ "Dsoc=%d, Rsoc=%d, Vavg=%d, Iavg=%d, Cap=%d, Fcc=%d, d=%d\n"
+ "K=%d, Mode=%s, Oldcap=%d, Is=%d, Ip=%d, Vs=%d\n"
+ "fb_temp=%d, bat_temp=%d, sample_res=%d, USB=%d, DC=%d\n"
+ "off:i=0x%x, c=0x%x, p=%d, Rbat=%d, age_ocv_cap=%d, hot=%d\n"
+ "adp:finish=%lu, boot_min=%lu, sleep_min=%lu, adc=%d, Vsys=%d\n"
+ "bat:%s, meet: soc=%d, calc: dsoc=%d, rsoc=%d, Vocv=%d\n"
+ "pwr: dsoc=%d, rsoc=%d, vol=%d, halt: st=%d, cnt=%d, reboot=%d\n"
+ "ocv_c=%d: %d -> %d; max_c=%d: %d -> %d; force_c=%d: %d -> %d\n"
+ "min=%d, init=%d, sw=%d, below0=%d, first=%d, changed=%d\n"
+ "###############################################################\n",
+ di->dsoc, di->rsoc, di->voltage_avg, di->current_avg,
+ di->remain_cap, di->fcc, di->rsoc - di->dsoc,
+ di->sm_linek, work_mode[di->work_mode], di->sm_remain_cap,
+ di->res_div * chrg_cur_sel_array[chrg_ctrl1 & 0x0f],
+ chrg_cur_input_array[usb_ctrl & 0x0f],
+ chrg_vol_sel_array[(chrg_ctrl1 & 0x70) >> 4],
+ feedback_temp_array[(thermal & 0x0c) >> 2], di->temperature,
+ di->pdata->sample_res, di->usb_in, di->ac_in,
+ rk818_bat_get_ioffset(di),
+ rk818_bat_get_coffset(di), di->poffset, di->bat_res,
+ di->age_adjust_cap, !!(thermal & HOTDIE_STS),
+ base2min(di->finish_base),
+ base2min(di->boot_base), di->sleep_sum_sec / 60,
+ di->adc_allow_update,
+ di->voltage_avg + di->current_avg * DEF_PWRPATH_RES / 1000,
+ bat_mode[di->pdata->bat_mode], di->dbg_meet_soc, di->dbg_calc_dsoc,
+ di->dbg_calc_rsoc, di->voltage_ocv, di->dbg_pwr_dsoc,
+ di->dbg_pwr_rsoc, di->dbg_pwr_vol, di->is_halt, di->halt_cnt,
+ reboot_cnt, di->is_ocv_calib, di->ocv_pre_dsoc, di->ocv_new_dsoc,
+ di->is_max_soc_offset, di->max_pre_dsoc, di->max_new_dsoc,
+ di->is_force_calib, di->force_pre_dsoc, di->force_new_dsoc,
+ di->pwroff_min, di->is_initialized, di->is_sw_reset,
+ di->dbg_cap_low0, di->is_first_on, di->last_dsoc
+ );
+}
+
+static void rk818_bat_init_capacity(struct rk818_battery *di, u32 cap)
+{
+ int delta_cap;
+
+ delta_cap = cap - di->remain_cap;
+ if (!delta_cap)
+ return;
+
+ di->age_adjust_cap += delta_cap;
+ rk818_bat_init_coulomb_cap(di, cap);
+ rk818_bat_smooth_algo_prepare(di);
+ rk818_bat_zero_algo_prepare(di);
+}
+
+static void rk818_bat_update_age_fcc(struct rk818_battery *di)
+{
+ int fcc, remain_cap, age_keep_min, lock_fcc;
+
+ lock_fcc = rk818_bat_get_coulomb_cap(di);
+ remain_cap = lock_fcc - di->age_ocv_cap - di->age_adjust_cap;
+ age_keep_min = base2min(di->age_keep_sec);
+
+ DBG("%s: lock_fcc=%d, age_ocv_cap=%d, age_adjust_cap=%d, remain_cap=%d,"
+ "age_allow_update=%d, age_keep_min=%d\n",
+ __func__, lock_fcc, di->age_ocv_cap, di->age_adjust_cap, remain_cap,
+ di->age_allow_update, age_keep_min);
+
+ if ((di->chrg_status == CHARGE_FINISH) && (di->age_allow_update) &&
+ (age_keep_min < 1200)) {
+ di->age_allow_update = false;
+ fcc = remain_cap * 100 / DIV(100 - di->age_ocv_soc);
+ BAT_INFO("lock_fcc=%d, calc_cap=%d, age: soc=%d, cap=%d, "
+ "level=%d, fcc:%d->%d?\n",
+ lock_fcc, remain_cap, di->age_ocv_soc,
+ di->age_ocv_cap, di->age_level, di->fcc, fcc);
+
+ if ((fcc < di->qmax) && (fcc > MIN_FCC)) {
+ BAT_INFO("fcc:%d->%d!\n", di->fcc, fcc);
+ di->fcc = fcc;
+ rk818_bat_init_capacity(di, di->fcc);
+ rk818_bat_save_fcc(di, di->fcc);
+ rk818_bat_save_age_level(di, di->age_level);
+ }
+ }
+}
+
+static void rk818_bat_wait_finish_sig(struct rk818_battery *di)
+{
+ int chrg_finish_vol = di->pdata->max_chrg_voltage;
+
+ if (!rk818_bat_chrg_online(di))
+ return;
+
+ if ((di->chrg_status == CHARGE_FINISH) && (di->adc_allow_update) &&
+ (di->voltage_avg > chrg_finish_vol - 150)) {
+ rk818_bat_update_age_fcc(di);
+ if (rk818_bat_adc_calib(di))
+ di->adc_allow_update = false;
+ }
+}
+
+static void rk818_bat_finish_algorithm(struct rk818_battery *di)
+{
+ unsigned long finish_sec, soc_sec;
+ int plus_soc, finish_current, rest = 0;
+
+ /* rsoc */
+ if ((di->remain_cap != di->fcc) &&
+ (rk818_bat_get_chrg_status(di) == CHARGE_FINISH)) {
+ di->age_adjust_cap += (di->fcc - di->remain_cap);
+ rk818_bat_init_coulomb_cap(di, di->fcc);
+ }
+
+ /* dsoc */
+ if (di->dsoc < 100) {
+ if (!di->finish_base)
+ di->finish_base = get_boot_sec();
+ finish_current = (di->rsoc - di->dsoc) > FINISH_MAX_SOC_DELAY ?
+ FINISH_CHRG_CUR2 : FINISH_CHRG_CUR1;
+ finish_sec = base2sec(di->finish_base);
+ soc_sec = di->fcc * 3600 / 100 / DIV(finish_current);
+ plus_soc = finish_sec / DIV(soc_sec);
+ if (finish_sec > soc_sec) {
+ rest = finish_sec % soc_sec;
+ di->dsoc += plus_soc;
+ di->finish_base = get_boot_sec();
+ if (di->finish_base > rest)
+ di->finish_base = get_boot_sec() - rest;
+ }
+ DBG("<%s>.CHARGE_FINISH:dsoc<100,dsoc=%d\n"
+ "soc_time=%lu, sec_finish=%lu, plus_soc=%d, rest=%d\n",
+ __func__, di->dsoc, soc_sec, finish_sec, plus_soc, rest);
+ }
+}
+
+static void rk818_bat_calc_smooth_dischrg(struct rk818_battery *di)
+{
+ int tmp_soc = 0, sm_delta_dsoc = 0, zero_delta_dsoc = 0;
+
+ tmp_soc = di->sm_dischrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc)
+ goto out;
+
+ DBG("<%s>. enter: dsoc=%d, rsoc=%d\n", __func__, di->dsoc, di->rsoc);
+ /* when dischrge slow down, take sm charge rest into calc */
+ if (di->dsoc < di->rsoc) {
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ sm_delta_dsoc = di->sm_chrg_dsoc - di->dsoc * 1000;
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+ di->sm_dischrg_dsoc += sm_delta_dsoc;
+ DBG("<%s>. take sm dischrg, delta=%d\n",
+ __func__, sm_delta_dsoc);
+ }
+ }
+
+ /* when discharge speed up, take zero discharge rest into calc */
+ if (di->dsoc > di->rsoc) {
+ tmp_soc = di->zero_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ zero_delta_dsoc = di->zero_dsoc - ((di->dsoc + 1) *
+ 1000 - MIN_ACCURACY);
+ di->zero_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ di->sm_dischrg_dsoc += zero_delta_dsoc;
+ DBG("<%s>. take zero schrg, delta=%d\n",
+ __func__, zero_delta_dsoc);
+ }
+ }
+
+ /* check up overflow */
+ if ((di->sm_dischrg_dsoc) > ((di->dsoc + 1) * 1000 - MIN_ACCURACY)) {
+ DBG("<%s>. dischrg_dsoc up overflow\n", __func__);
+ di->sm_dischrg_dsoc = (di->dsoc + 1) *
+ 1000 - MIN_ACCURACY;
+ }
+
+ /* check new dsoc */
+ tmp_soc = di->sm_dischrg_dsoc / 1000;
+ if (tmp_soc != di->dsoc) {
+ di->dsoc = tmp_soc;
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+ }
+out:
+ DBG("<%s>. dsoc=%d, rsoc=%d, dsoc:sm_dischrg=%d, sm_chrg=%d, zero=%d\n",
+ __func__, di->dsoc, di->rsoc, di->sm_dischrg_dsoc, di->sm_chrg_dsoc,
+ di->zero_dsoc);
+
+}
+
+static void rk818_bat_calc_smooth_chrg(struct rk818_battery *di)
+{
+ int tmp_soc = 0, sm_delta_dsoc = 0, zero_delta_dsoc = 0;
+
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc)
+ goto out;
+
+ DBG("<%s>. enter: dsoc=%d, rsoc=%d\n", __func__, di->dsoc, di->rsoc);
+ /* when charge slow down, take zero & sm dischrg into calc */
+ if (di->dsoc > di->rsoc) {
+ /* take sm discharge rest into calc */
+ tmp_soc = di->sm_dischrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ sm_delta_dsoc = di->sm_dischrg_dsoc -
+ ((di->dsoc + 1) * 1000 - MIN_ACCURACY);
+ di->sm_dischrg_dsoc = (di->dsoc + 1) * 1000 -
+ MIN_ACCURACY;
+ di->sm_chrg_dsoc += sm_delta_dsoc;
+ DBG("<%s>. take sm dischrg, delta=%d\n",
+ __func__, sm_delta_dsoc);
+ }
+
+ /* take zero discharge rest into calc */
+ tmp_soc = di->zero_dsoc / 1000;
+ if (tmp_soc == di->dsoc) {
+ zero_delta_dsoc = di->zero_dsoc -
+ ((di->dsoc + 1) * 1000 - MIN_ACCURACY);
+ di->zero_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ di->sm_chrg_dsoc += zero_delta_dsoc;
+ DBG("<%s>. take zero dischrg, delta=%d\n",
+ __func__, zero_delta_dsoc);
+ }
+ }
+
+ /* check down overflow */
+ if (di->sm_chrg_dsoc < di->dsoc * 1000) {
+ DBG("<%s>. chrg_dsoc down overflow\n", __func__);
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+ }
+
+ /* check new dsoc */
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc != di->dsoc) {
+ di->dsoc = tmp_soc;
+ di->sm_dischrg_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ }
+out:
+ DBG("<%s>.dsoc=%d, rsoc=%d, dsoc: sm_dischrg=%d, sm_chrg=%d, zero=%d\n",
+ __func__, di->dsoc, di->rsoc, di->sm_dischrg_dsoc, di->sm_chrg_dsoc,
+ di->zero_dsoc);
+}
+
+static void rk818_bat_smooth_algorithm(struct rk818_battery *di)
+{
+ int ydsoc = 0, delta_cap = 0, old_cap = 0;
+ unsigned long tgt_sec = 0;
+
+ di->remain_cap = rk818_bat_get_coulomb_cap(di);
+
+ /* full charge: slow down */
+ if ((di->dsoc == 99) && (di->chrg_status == CC_OR_CV) &&
+ (di->current_avg > 0)) {
+ di->sm_linek = FULL_CHRG_K;
+ /* terminal charge, slow down */
+ } else if ((di->current_avg >= TERM_CHRG_CURR) &&
+ (di->chrg_status == CC_OR_CV) && (di->dsoc >= TERM_CHRG_DSOC)) {
+ di->sm_linek = TERM_CHRG_K;
+ DBG("<%s>. terminal mode..\n", __func__);
+ /* simulate charge, speed up */
+ } else if ((di->current_avg <= SIMULATE_CHRG_CURR) &&
+ (di->current_avg > 0) && (di->chrg_status == CC_OR_CV) &&
+ (di->dsoc < TERM_CHRG_DSOC) &&
+ ((di->rsoc - di->dsoc) >= SIMULATE_CHRG_INTV)) {
+ di->sm_linek = SIMULATE_CHRG_K;
+ DBG("<%s>. simulate mode..\n", __func__);
+ } else {
+ /* charge and discharge switch */
+ if ((di->sm_linek * di->current_avg <= 0) ||
+ (di->sm_linek == TERM_CHRG_K) ||
+ (di->sm_linek == FULL_CHRG_K) ||
+ (di->sm_linek == SIMULATE_CHRG_K)) {
+ DBG("<%s>. linek mode, retinit sm linek..\n", __func__);
+ rk818_bat_calc_sm_linek(di);
+ }
+ }
+
+ old_cap = di->sm_remain_cap;
+ /*
+ * when dsoc equal rsoc(not include full, term, simulate case),
+ * sm_linek should change to -1000/1000 smoothly to avoid dsoc+1/-1
+ * right away, so change it after flat seconds
+ */
+ if ((di->dsoc == di->rsoc) && (abs(di->sm_linek) != 1000) &&
+ (di->sm_linek != FULL_CHRG_K && di->sm_linek != TERM_CHRG_K &&
+ di->sm_linek != SIMULATE_CHRG_K)) {
+ if (!di->flat_match_sec)
+ di->flat_match_sec = get_boot_sec();
+ tgt_sec = di->fcc * 3600 / 100 / DIV(abs(di->current_avg)) / 3;
+ if (base2sec(di->flat_match_sec) >= tgt_sec) {
+ di->flat_match_sec = 0;
+ di->sm_linek = (di->current_avg >= 0) ? 1000 : -1000;
+ }
+ DBG("<%s>. flat_sec=%ld, tgt_sec=%ld, sm_k=%d\n", __func__,
+ base2sec(di->flat_match_sec), tgt_sec, di->sm_linek);
+ } else {
+ di->flat_match_sec = 0;
+ }
+
+ /* abs(k)=1000 or dsoc=100, stop calc */
+ if ((abs(di->sm_linek) == 1000) || (di->current_avg >= 0 &&
+ di->chrg_status == CC_OR_CV && di->dsoc >= 100)) {
+ DBG("<%s>. sm_linek=%d\n", __func__, di->sm_linek);
+ if (abs(di->sm_linek) == 1000) {
+ di->dsoc = di->rsoc;
+ di->sm_linek = (di->sm_linek > 0) ? 1000 : -1000;
+ DBG("<%s>. dsoc == rsoc, sm_linek=%d\n",
+ __func__, di->sm_linek);
+ }
+ di->sm_remain_cap = di->remain_cap;
+ di->sm_chrg_dsoc = di->dsoc * 1000;
+ di->sm_dischrg_dsoc = (di->dsoc + 1) * 1000 - MIN_ACCURACY;
+ DBG("<%s>. sm_dischrg_dsoc=%d, sm_chrg_dsoc=%d\n",
+ __func__, di->sm_dischrg_dsoc, di->sm_chrg_dsoc);
+ } else {
+ delta_cap = di->remain_cap - di->sm_remain_cap;
+ if (delta_cap == 0) {
+ DBG("<%s>. delta_cap = 0\n", __func__);
+ return;
+ }
+ ydsoc = di->sm_linek * abs(delta_cap) * 100 / DIV(di->fcc);
+ if (ydsoc == 0) {
+ DBG("<%s>. ydsoc = 0\n", __func__);
+ return;
+ }
+ di->sm_remain_cap = di->remain_cap;
+
+ DBG("<%s>. k=%d, ydsoc=%d; cap:old=%d, new:%d; delta_cap=%d\n",
+ __func__, di->sm_linek, ydsoc, old_cap,
+ di->sm_remain_cap, delta_cap);
+
+ /* discharge mode */
+ if (ydsoc < 0) {
+ di->sm_dischrg_dsoc += ydsoc;
+ rk818_bat_calc_smooth_dischrg(di);
+ /* charge mode */
+ } else {
+ di->sm_chrg_dsoc += ydsoc;
+ rk818_bat_calc_smooth_chrg(di);
+ }
+
+ if (di->s2r) {
+ di->s2r = false;
+ rk818_bat_calc_sm_linek(di);
+ }
+ }
+}
+
+/*
+ * cccv and finish switch all the time will cause dsoc freeze,
+ * if so, do finish chrg, 100ma is less than min finish_ma.
+ */
+static bool rk818_bat_fake_finish_mode(struct rk818_battery *di)
+{
+ if ((di->rsoc == 100) && (rk818_bat_get_chrg_status(di) == CC_OR_CV) &&
+ (abs(di->current_avg) <= 100))
+ return true;
+ else
+ return false;
+}
+
+static void rk818_bat_display_smooth(struct rk818_battery *di)
+{
+ /* discharge: reinit "zero & smooth" algorithm to avoid handling dsoc */
+ if (di->s2r && !di->sleep_chrg_online) {
+ DBG("s2r: discharge, reset algorithm...\n");
+ di->s2r = false;
+ rk818_bat_zero_algo_prepare(di);
+ rk818_bat_smooth_algo_prepare(di);
+ return;
+ }
+
+ if (di->work_mode == MODE_FINISH) {
+ DBG("step1: charge finish...\n");
+ rk818_bat_finish_algorithm(di);
+ if ((rk818_bat_get_chrg_status(di) != CHARGE_FINISH) &&
+ !rk818_bat_fake_finish_mode(di)) {
+ if ((di->current_avg < 0) &&
+ (di->voltage_avg < di->pdata->zero_algorithm_vol)) {
+ DBG("step1: change to zero mode...\n");
+ rk818_bat_zero_algo_prepare(di);
+ di->work_mode = MODE_ZERO;
+ } else {
+ DBG("step1: change to smooth mode...\n");
+ rk818_bat_smooth_algo_prepare(di);
+ di->work_mode = MODE_SMOOTH;
+ }
+ }
+ } else if (di->work_mode == MODE_ZERO) {
+ DBG("step2: zero algorithm...\n");
+ rk818_bat_zero_algorithm(di);
+ if ((di->voltage_avg >= di->pdata->zero_algorithm_vol + 50) ||
+ (di->current_avg >= 0)) {
+ DBG("step2: change to smooth mode...\n");
+ rk818_bat_smooth_algo_prepare(di);
+ di->work_mode = MODE_SMOOTH;
+ } else if ((rk818_bat_get_chrg_status(di) == CHARGE_FINISH) ||
+ rk818_bat_fake_finish_mode(di)) {
+ DBG("step2: change to finish mode...\n");
+ rk818_bat_finish_algo_prepare(di);
+ di->work_mode = MODE_FINISH;
+ }
+ } else {
+ DBG("step3: smooth algorithm...\n");
+ rk818_bat_smooth_algorithm(di);
+ if ((di->current_avg < 0) &&
+ (di->voltage_avg < di->pdata->zero_algorithm_vol)) {
+ DBG("step3: change to zero mode...\n");
+ rk818_bat_zero_algo_prepare(di);
+ di->work_mode = MODE_ZERO;
+ } else if ((rk818_bat_get_chrg_status(di) == CHARGE_FINISH) ||
+ rk818_bat_fake_finish_mode(di)) {
+ DBG("step3: change to finish mode...\n");
+ rk818_bat_finish_algo_prepare(di);
+ di->work_mode = MODE_FINISH;
+ }
+ }
+}
+
+static void rk818_bat_relax_vol_calib(struct rk818_battery *di)
+{
+ int soc, cap, vol;
+
+ vol = di->voltage_relax;
+ soc = rk818_bat_vol_to_ocvsoc(di, vol);
+ cap = rk818_bat_vol_to_ocvcap(di, vol);
+ rk818_bat_init_capacity(di, cap);
+ BAT_INFO("sleep ocv calib: rsoc=%d, cap=%d\n", soc, cap);
+}
+
+static void rk818_bat_relife_age_flag(struct rk818_battery *di)
+{
+ u8 ocv_soc, ocv_cap, soc_level;
+
+ if (di->voltage_relax <= 0)
+ return;
+
+ ocv_soc = rk818_bat_vol_to_ocvsoc(di, di->voltage_relax);
+ ocv_cap = rk818_bat_vol_to_ocvcap(di, di->voltage_relax);
+ DBG("<%s>. ocv_soc=%d, min=%lu, vol=%d\n", __func__,
+ ocv_soc, di->sleep_dischrg_sec / 60, di->voltage_relax);
+
+ /* sleep enough time and ocv_soc enough low */
+ if (!di->age_allow_update && ocv_soc <= 10) {
+ di->age_voltage = di->voltage_relax;
+ di->age_ocv_cap = ocv_cap;
+ di->age_ocv_soc = ocv_soc;
+ di->age_adjust_cap = 0;
+
+ if (ocv_soc <= 1)
+ di->age_level = 100;
+ else if (ocv_soc < 5)
+ di->age_level = 90;
+ else
+ di->age_level = 80;
+
+ soc_level = rk818_bat_get_age_level(di);
+ if (soc_level > di->age_level) {
+ di->age_allow_update = false;
+ } else {
+ di->age_allow_update = true;
+ di->age_keep_sec = get_boot_sec();
+ }
+
+ BAT_INFO("resume: age_vol:%d, age_ocv_cap:%d, age_ocv_soc:%d, "
+ "soc_level:%d, age_allow_update:%d, "
+ "age_level:%d\n",
+ di->age_voltage, di->age_ocv_cap, ocv_soc, soc_level,
+ di->age_allow_update, di->age_level);
+ }
+}
+
+static int rk818_bat_sleep_dischrg(struct rk818_battery *di)
+{
+ bool ocv_soc_updated = false;
+ int tgt_dsoc, gap_soc, sleep_soc = 0;
+ int pwroff_vol = di->pdata->pwroff_vol;
+ unsigned long sleep_sec = di->sleep_dischrg_sec;
+
+ DBG("<%s>. enter: dsoc=%d, rsoc=%d, rv=%d, v=%d, sleep_min=%lu\n",
+ __func__, di->dsoc, di->rsoc, di->voltage_relax,
+ di->voltage_avg, sleep_sec / 60);
+
+ if (di->voltage_relax >= di->voltage_avg) {
+ rk818_bat_relax_vol_calib(di);
+ rk818_bat_restart_relax(di);
+ rk818_bat_relife_age_flag(di);
+ ocv_soc_updated = true;
+ }
+
+ /* handle dsoc */
+ if (di->dsoc <= di->rsoc) {
+ di->sleep_sum_cap = (SLP_CURR_MIN * sleep_sec / 3600);
+ sleep_soc = di->sleep_sum_cap * 100 / DIV(di->fcc);
+ tgt_dsoc = di->dsoc - sleep_soc;
+ if (sleep_soc > 0) {
+ BAT_INFO("calib0: rl=%d, dl=%d, intval=%d\n",
+ di->rsoc, di->dsoc, sleep_soc);
+ if (di->dsoc < 5) {
+ di->dsoc--;
+ } else if ((tgt_dsoc < 5) && (di->dsoc >= 5)) {
+ if (di->dsoc == 5)
+ di->dsoc--;
+ else
+ di->dsoc = 5;
+ } else if (tgt_dsoc > 5) {
+ di->dsoc = tgt_dsoc;
+ }
+ }
+
+ DBG("%s: dsoc<=rsoc, sum_cap=%d==>sleep_soc=%d, tgt_dsoc=%d\n",
+ __func__, di->sleep_sum_cap, sleep_soc, tgt_dsoc);
+ } else {
+ /* di->dsoc > di->rsoc */
+ di->sleep_sum_cap = (SLP_CURR_MAX * sleep_sec / 3600);
+ sleep_soc = di->sleep_sum_cap / DIV(di->fcc / 100);
+ gap_soc = di->dsoc - di->rsoc;
+
+ BAT_INFO("calib1: rsoc=%d, dsoc=%d, intval=%d\n",
+ di->rsoc, di->dsoc, sleep_soc);
+ if (gap_soc > sleep_soc) {
+ if ((gap_soc - 5) > (sleep_soc * 2))
+ di->dsoc -= (sleep_soc * 2);
+ else
+ di->dsoc -= sleep_soc;
+ } else {
+ di->dsoc = di->rsoc;
+ }
+
+ DBG("%s: dsoc>rsoc, sum_cap=%d=>sleep_soc=%d, gap_soc=%d\n",
+ __func__, di->sleep_sum_cap, sleep_soc, gap_soc);
+ }
+
+ if (di->voltage_avg <= pwroff_vol - 70) {
+ di->dsoc = 0;
+ rk_send_wakeup_key();
+ BAT_INFO("low power sleeping, shutdown... %d\n", di->dsoc);
+ }
+
+ if (ocv_soc_updated && sleep_soc && (di->rsoc - di->dsoc) < 5 &&
+ di->dsoc < 40) {
+ di->dsoc--;
+ BAT_INFO("low power sleeping, reserved... %d\n", di->dsoc);
+ }
+
+ if (di->dsoc <= 0) {
+ di->dsoc = 0;
+ rk_send_wakeup_key();
+ BAT_INFO("sleep dsoc is %d...\n", di->dsoc);
+ }
+
+ DBG("<%s>. out: dsoc=%d, rsoc=%d, sum_cap=%d\n",
+ __func__, di->dsoc, di->rsoc, di->sleep_sum_cap);
+
+ return sleep_soc;
+}
+
+static void rk818_bat_power_supply_changed(struct rk818_battery *di)
+{
+ u8 status, thermal;
+ static int old_soc = -1;
+
+ if (di->dsoc > 100)
+ di->dsoc = 100;
+ else if (di->dsoc < 0)
+ di->dsoc = 0;
+
+ if (di->dsoc == old_soc)
+ return;
+
+ thermal = rk818_bat_read(di, RK818_THERMAL_REG);
+ status = rk818_bat_read(di, RK818_SUP_STS_REG);
+ status = (status & CHRG_STATUS_MSK) >> 4;
+ old_soc = di->dsoc;
+ di->last_dsoc = di->dsoc;
+
+ if (di->bat)
+ power_supply_changed(di->bat);
+
+ BAT_INFO("changed: dsoc=%d, rsoc=%d, v=%d, ov=%d c=%d, "
+ "cap=%d, f=%d, st=%s, hotdie=%d\n",
+ di->dsoc, di->rsoc, di->voltage_avg, di->voltage_ocv,
+ di->current_avg, di->remain_cap, di->fcc, bat_status[status],
+ !!(thermal & HOTDIE_STS));
+
+ BAT_INFO("dl=%d, rl=%d, v=%d, halt=%d, halt_n=%d, max=%d, "
+ "init=%d, sw=%d, calib=%d, below0=%d, force=%d\n",
+ di->dbg_pwr_dsoc, di->dbg_pwr_rsoc, di->dbg_pwr_vol,
+ di->is_halt, di->halt_cnt, di->is_max_soc_offset,
+ di->is_initialized, di->is_sw_reset, di->is_ocv_calib,
+ di->dbg_cap_low0, di->is_force_calib);
+}
+
+static u8 rk818_bat_check_reboot(struct rk818_battery *di)
+{
+ u8 cnt;
+
+ cnt = rk818_bat_read(di, RK818_REBOOT_CNT_REG);
+ cnt++;
+
+ if (cnt >= REBOOT_MAX_CNT) {
+ BAT_INFO("reboot: %d --> %d\n", di->dsoc, di->rsoc);
+ di->dsoc = di->rsoc;
+ if (di->dsoc > 100)
+ di->dsoc = 100;
+ else if (di->dsoc < 0)
+ di->dsoc = 0;
+ rk818_bat_save_dsoc(di, di->dsoc);
+ cnt = REBOOT_MAX_CNT;
+ }
+
+ rk818_bat_save_reboot_cnt(di, cnt);
+ DBG("reboot cnt: %d\n", cnt);
+
+ return cnt;
+}
+
+static void rk818_bat_rsoc_daemon(struct rk818_battery *di)
+{
+ int est_vol, remain_cap;
+ static unsigned long sec;
+
+ if (di->remain_cap < 0) {
+ if (!sec)
+ sec = get_boot_sec();
+
+ DBG("sec=%ld, hold_sec=%ld\n", sec, base2sec(sec));
+
+ if (base2sec(sec) >= 60) {
+ sec = 0;
+ di->dbg_cap_low0++;
+ est_vol = di->voltage_avg -
+ (di->bat_res * di->current_avg) / 1000;
+ remain_cap = rk818_bat_vol_to_ocvcap(di, est_vol);
+ rk818_bat_init_capacity(di, remain_cap);
+ BAT_INFO("adjust cap below 0 --> %d, rsoc=%d\n",
+ di->remain_cap, di->rsoc);
+ }
+ } else {
+ sec = 0;
+ }
+}
+
+static void rk818_bat_update_info(struct rk818_battery *di)
+{
+ int is_charging;
+
+ di->voltage_avg = rk818_bat_get_avg_voltage(di);
+ di->current_avg = rk818_bat_get_avg_current(di);
+ di->voltage_relax = rk818_bat_get_relax_voltage(di);
+ di->rsoc = rk818_bat_get_rsoc(di);
+ di->remain_cap = rk818_bat_get_coulomb_cap(di);
+ di->chrg_status = rk818_bat_get_chrg_status(di);
+ is_charging = rk818_bat_get_charge_state(di);
+ if (is_charging != di->is_charging) {
+ di->is_charging = is_charging;
+ if (is_charging)
+ di->charge_count++;
+ }
+ if (di->voltage_avg > di->voltage_max)
+ di->voltage_max = di->voltage_avg;
+ if (di->current_avg > di->current_max)
+ di->current_max = di->current_avg;
+
+ /* smooth charge */
+ if (di->remain_cap > di->fcc) {
+ di->sm_remain_cap -= (di->remain_cap - di->fcc);
+ DBG("<%s>. cap: remain=%d, sm_remain=%d\n",
+ __func__, di->remain_cap, di->sm_remain_cap);
+ rk818_bat_init_coulomb_cap(di, di->fcc);
+ }
+
+ if (di->chrg_status != CHARGE_FINISH)
+ di->finish_base = get_boot_sec();
+
+ /*
+ * we need update fcc in continuous charging state, if discharge state
+ * keep at least 2 hour, we decide not to update fcc, so clear the
+ * fcc update flag: age_allow_update.
+ */
+ if (base2min(di->plug_out_base) > 120)
+ di->age_allow_update = false;
+
+ /* do adc calib: status must from cccv mode to finish mode */
+ if (di->chrg_status == CC_OR_CV) {
+ di->adc_allow_update = true;
+ di->adc_calib_cnt = 0;
+ }
+}
+
+static void rk818_bat_init_ts1_detect(struct rk818_battery *di)
+{
+ u8 buf;
+ u32 *ntc_table = di->pdata->ntc_table;
+
+ if (!di->pdata->ntc_size)
+ return;
+
+ /* select ua */
+ buf = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ buf &= ~TS1_CUR_MSK;
+ /* chose suitable UA for temperature detect */
+ if (ntc_table[0] < NTC_80UA_MAX_MEASURE) {
+ di->pdata->ntc_factor = NTC_CALC_FACTOR_80UA;
+ di->pdata->ntc_uA = 80;
+ buf |= ADC_CUR_80UA;
+ } else if (ntc_table[0] < NTC_60UA_MAX_MEASURE) {
+ di->pdata->ntc_factor = NTC_CALC_FACTOR_60UA;
+ di->pdata->ntc_uA = 60;
+ buf |= ADC_CUR_60UA;
+ } else if (ntc_table[0] < NTC_40UA_MAX_MEASURE) {
+ di->pdata->ntc_factor = NTC_CALC_FACTOR_40UA;
+ di->pdata->ntc_uA = 40;
+ buf |= ADC_CUR_40UA;
+ } else {
+ di->pdata->ntc_factor = NTC_CALC_FACTOR_20UA;
+ di->pdata->ntc_uA = 20;
+ buf |= ADC_CUR_20UA;
+ }
+ rk818_bat_write(di, RK818_TS_CTRL_REG, buf);
+
+ /* enable ADC_TS1_EN */
+ buf = rk818_bat_read(di, RK818_ADC_CTRL_REG);
+ buf |= ADC_TS1_EN;
+ rk818_bat_write(di, RK818_ADC_CTRL_REG, buf);
+}
+
+/*
+ * Due to hardware design issue, Vdelta = "(R_sample + R_other) * I_avg" will be
+ * included into TS1 adc value. We must subtract it to get correct adc value.
+ * The solution:
+ *
+ * (1) calculate Vdelta:
+ *
+ * adc1 - Vdelta ua1 (adc2 * ua1) - (adc1 * ua2)
+ * ------------- = ----- ==> equals: Vdelta = -----------------------------
+ * adc2 - Vdelta ua2 ua1 - ua2
+ *
+ *
+ * (2) calculate correct ADC value:
+ *
+ * charging: ADC = adc1 - abs(Vdelta);
+ * discharging: ADC = adc1 + abs(Vdelta);
+ */
+static int rk818_bat_get_ntc_res(struct rk818_battery *di)
+{
+ int adc1 = 0, adc2 = 0;
+ int ua1, ua2, v_delta, res, val;
+ u8 buf;
+
+ /* read sample ua1 */
+ buf = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ DBG("<%s>. read adc1, sample uA=%d\n",
+ __func__, ((buf & 0x03) + 1) * 20);
+
+ /* read adc adc1 */
+ ua1 = di->pdata->ntc_uA;
+ adc1 |= rk818_bat_read(di, RK818_TS1_ADC_REGL) << 0;
+ adc1 |= rk818_bat_read(di, RK818_TS1_ADC_REGH) << 8;
+
+ /* chose reference UA for adc2 */
+ ua2 = (ua1 != 20) ? 20 : 40;
+ buf = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ buf &= ~TS1_CUR_MSK;
+ buf |= ((ua2 - 20) / 20);
+ rk818_bat_write(di, RK818_TS_CTRL_REG, buf);
+
+ /* read adc adc2 */
+ msleep(1000);
+
+ /* read sample ua2 */
+ buf = rk818_bat_read(di, RK818_TS_CTRL_REG);
+ DBG("<%s>. read adc2, sample uA=%d\n",
+ __func__, ((buf & 0x03) + 1) * 20);
+
+ adc2 |= rk818_bat_read(di, RK818_TS1_ADC_REGL) << 0;
+ adc2 |= rk818_bat_read(di, RK818_TS1_ADC_REGH) << 8;
+
+ DBG("<%s>. ua1=%d, ua2=%d, adc1=%d, adc2=%d\n",
+ __func__, ua1, ua2, adc1, adc2);
+
+ /* calculate delta voltage */
+ if (adc2 != adc1)
+ v_delta = abs((adc2 * ua1 - adc1 * ua2) / (ua2 - ua1));
+ else
+ v_delta = 0;
+
+ /* considering current avg direction, calcuate real adc value */
+ val = (di->current_avg >= 0) ? (adc1 - v_delta) : (adc1 + v_delta);
+
+ DBG("<%s>. Iavg=%d, Vdelta=%d, Vadc=%d\n",
+ __func__, di->current_avg, v_delta, val);
+
+ res = val * di->pdata->ntc_factor;
+
+ DBG("<%s>. val=%d, ntc_res=%d, ntc_factor=%d, Rdelta=%d\n",
+ __func__, val, res, di->pdata->ntc_factor,
+ v_delta * di->pdata->ntc_factor);
+
+ DBG("<%s>. t=[%d'C(%d) ~ %dC(%d)]\n", __func__,
+ di->pdata->ntc_degree_from, di->pdata->ntc_table[0],
+ di->pdata->ntc_degree_from + di->pdata->ntc_size - 1,
+ di->pdata->ntc_table[di->pdata->ntc_size - 1]);
+
+ rk818_bat_init_ts1_detect(di);
+
+ return res;
+}
+
+static BLOCKING_NOTIFIER_HEAD(rk818_bat_notifier_chain);
+
+int rk818_bat_temp_notifier_register(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_register(&rk818_bat_notifier_chain, nb);
+}
+
+int rk818_bat_temp_notifier_unregister(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_unregister(&rk818_bat_notifier_chain, nb);
+}
+
+static void rk818_bat_temp_notifier_callback(int temp)
+{
+ blocking_notifier_call_chain(&rk818_bat_notifier_chain, temp, NULL);
+}
+
+static void rk818_bat_update_temperature(struct rk818_battery *di)
+{
+ static int old_temp, first_time = 1;
+ u32 ntc_size, *ntc_table;
+ int i, res, temp;
+
+ ntc_table = di->pdata->ntc_table;
+ ntc_size = di->pdata->ntc_size;
+ di->temperature = VIRTUAL_TEMPERATURE;
+
+ if (ntc_size) {
+ res = rk818_bat_get_ntc_res(di);
+ if (res < ntc_table[ntc_size - 1]) {
+ di->temperature = di->pdata->ntc_degree_from +
+ di->pdata->ntc_size - 1;
+ BAT_INFO("bat ntc upper max degree: R=%d\n", res);
+ } else if (res > ntc_table[0]) {
+ di->temperature = di->pdata->ntc_degree_from;
+ BAT_INFO("bat ntc lower min degree: R=%d\n", res);
+ } else {
+ for (i = 0; i < ntc_size; i++) {
+ if (res >= ntc_table[i])
+ break;
+ }
+
+ /* if first in, init old_temp */
+ temp = (i + di->pdata->ntc_degree_from) * 10;
+ if (first_time == 1) {
+ di->temperature = temp;
+ old_temp = temp;
+ first_time = 0;
+ }
+
+ /*
+ * compare with old one, it's invalid when over 50
+ * and we should use old data.
+ */
+ if (abs(temp - old_temp) > 50)
+ temp = old_temp;
+ else
+ old_temp = temp;
+
+ di->temperature = temp;
+ DBG("<%s>. temperature = %d\n",
+ __func__, di->temperature);
+ rk818_bat_temp_notifier_callback(di->temperature / 10);
+ }
+ }
+}
+
+static void rk818_bat_init_dsoc_algorithm(struct rk818_battery *di)
+{
+ u8 buf;
+ int16_t rest = 0;
+ unsigned long soc_sec;
+ const char *mode_name[] = { "MODE_ZERO", "MODE_FINISH",
+ "MODE_SMOOTH_CHRG", "MODE_SMOOTH_DISCHRG", "MODE_SMOOTH", };
+
+ /* get rest */
+ rest |= rk818_bat_read(di, RK818_CALC_REST_REGH) << 8;
+ rest |= rk818_bat_read(di, RK818_CALC_REST_REGL) << 0;
+
+ /* get mode */
+ buf = rk818_bat_read(di, RK818_MISC_MARK_REG);
+ di->algo_rest_mode = (buf & ALGO_REST_MODE_MSK) >> ALGO_REST_MODE_SHIFT;
+
+ if (rk818_bat_get_chrg_status(di) == CHARGE_FINISH) {
+ if (di->algo_rest_mode == MODE_FINISH) {
+ soc_sec = di->fcc * 3600 / 100 / FINISH_CHRG_CUR1;
+ if ((rest / DIV(soc_sec)) > 0) {
+ if (di->dsoc < 100) {
+ di->dsoc++;
+ di->algo_rest_val = rest % soc_sec;
+ BAT_INFO("algorithm rest(%d) dsoc "
+ "inc: %d\n",
+ rest, di->dsoc);
+ } else {
+ di->algo_rest_val = 0;
+ }
+ } else {
+ di->algo_rest_val = rest;
+ }
+ } else {
+ di->algo_rest_val = rest;
+ }
+ } else {
+ /* charge speed up */
+ if ((rest / 1000) > 0 && rk818_bat_chrg_online(di)) {
+ if (di->dsoc < di->rsoc) {
+ di->dsoc++;
+ di->algo_rest_val = rest % 1000;
+ BAT_INFO("algorithm rest(%d) dsoc inc: %d\n",
+ rest, di->dsoc);
+ } else {
+ di->algo_rest_val = 0;
+ }
+ /* discharge speed up */
+ } else if (((rest / 1000) < 0) && !rk818_bat_chrg_online(di)) {
+ if (di->dsoc > di->rsoc) {
+ di->dsoc--;
+ di->algo_rest_val = rest % 1000;
+ BAT_INFO("algorithm rest(%d) dsoc sub: %d\n",
+ rest, di->dsoc);
+ } else {
+ di->algo_rest_val = 0;
+ }
+ } else {
+ di->algo_rest_val = rest;
+ }
+ }
+
+ if (di->dsoc >= 100)
+ di->dsoc = 100;
+ else if (di->dsoc <= 0)
+ di->dsoc = 0;
+
+ /* init current mode */
+ di->voltage_avg = rk818_bat_get_avg_voltage(di);
+ di->current_avg = rk818_bat_get_avg_current(di);
+ if (rk818_bat_get_chrg_status(di) == CHARGE_FINISH) {
+ rk818_bat_finish_algo_prepare(di);
+ di->work_mode = MODE_FINISH;
+ } else {
+ rk818_bat_smooth_algo_prepare(di);
+ di->work_mode = MODE_SMOOTH;
+ }
+
+ DBG("<%s>. init: org_rest=%d, rest=%d, mode=%s; "
+ "doc(x1000): zero=%d, chrg=%d, dischrg=%d, finish=%lu\n",
+ __func__, rest, di->algo_rest_val, mode_name[di->algo_rest_mode],
+ di->zero_dsoc, di->sm_chrg_dsoc, di->sm_dischrg_dsoc,
+ di->finish_base);
+}
+
+static void rk818_bat_save_algo_rest(struct rk818_battery *di)
+{
+ u8 buf, mode;
+ int16_t algo_rest = 0;
+ int tmp_soc;
+ int zero_rest = 0, sm_chrg_rest = 0;
+ int sm_dischrg_rest = 0, finish_rest = 0;
+ const char *mode_name[] = { "MODE_ZERO", "MODE_FINISH",
+ "MODE_SMOOTH_CHRG", "MODE_SMOOTH_DISCHRG", "MODE_SMOOTH", };
+
+ /* zero dischrg */
+ tmp_soc = (di->zero_dsoc) / 1000;
+ if (tmp_soc == di->dsoc)
+ zero_rest = di->zero_dsoc - ((di->dsoc + 1) * 1000 -
+ MIN_ACCURACY);
+
+ /* sm chrg */
+ tmp_soc = di->sm_chrg_dsoc / 1000;
+ if (tmp_soc == di->dsoc)
+ sm_chrg_rest = di->sm_chrg_dsoc - di->dsoc * 1000;
+
+ /* sm dischrg */
+ tmp_soc = (di->sm_dischrg_dsoc) / 1000;
+ if (tmp_soc == di->dsoc)
+ sm_dischrg_rest = di->sm_dischrg_dsoc - ((di->dsoc + 1) * 1000 -
+ MIN_ACCURACY);
+
+ /* last time is also finish chrg, then add last rest */
+ if (di->algo_rest_mode == MODE_FINISH && di->algo_rest_val)
+ finish_rest = base2sec(di->finish_base) + di->algo_rest_val;
+ else
+ finish_rest = base2sec(di->finish_base);
+
+ /* total calc */
+ if ((rk818_bat_chrg_online(di) && (di->dsoc > di->rsoc)) ||
+ (!rk818_bat_chrg_online(di) && (di->dsoc < di->rsoc)) ||
+ (di->dsoc == di->rsoc)) {
+ di->algo_rest_val = 0;
+ algo_rest = 0;
+ DBG("<%s>. step1..\n", __func__);
+ } else if (di->work_mode == MODE_FINISH) {
+ algo_rest = finish_rest;
+ DBG("<%s>. step2..\n", __func__);
+ } else if (di->algo_rest_mode == MODE_FINISH) {
+ algo_rest = zero_rest + sm_dischrg_rest + sm_chrg_rest;
+ DBG("<%s>. step3..\n", __func__);
+ } else {
+ if (rk818_bat_chrg_online(di) && (di->dsoc < di->rsoc))
+ algo_rest = sm_chrg_rest + di->algo_rest_val;
+ else if (!rk818_bat_chrg_online(di) && (di->dsoc > di->rsoc))
+ algo_rest = zero_rest + sm_dischrg_rest +
+ di->algo_rest_val;
+ else
+ algo_rest = zero_rest + sm_dischrg_rest + sm_chrg_rest +
+ di->algo_rest_val;
+ DBG("<%s>. step4..\n", __func__);
+ }
+
+ /* check mode */
+ if ((di->work_mode == MODE_FINISH) || (di->work_mode == MODE_ZERO)) {
+ mode = di->work_mode;
+ } else {/* MODE_SMOOTH */
+ if (di->sm_linek > 0)
+ mode = MODE_SMOOTH_CHRG;
+ else
+ mode = MODE_SMOOTH_DISCHRG;
+ }
+
+ /* save mode */
+ buf = rk818_bat_read(di, RK818_MISC_MARK_REG);
+ buf &= ~ALGO_REST_MODE_MSK;
+ buf |= (mode << ALGO_REST_MODE_SHIFT);
+ rk818_bat_write(di, RK818_MISC_MARK_REG, buf);
+
+ /* save rest */
+ buf = (algo_rest >> 8) & 0xff;
+ rk818_bat_write(di, RK818_CALC_REST_REGH, buf);
+ buf = (algo_rest >> 0) & 0xff;
+ rk818_bat_write(di, RK818_CALC_REST_REGL, buf);
+
+ DBG("<%s>. rest: algo=%d, mode=%s, last_rest=%d; zero=%d, "
+ "chrg=%d, dischrg=%d, finish=%lu\n",
+ __func__, algo_rest, mode_name[mode], di->algo_rest_val, zero_rest,
+ sm_chrg_rest, sm_dischrg_rest, base2sec(di->finish_base));
+}
+
+static void rk818_bat_save_data(struct rk818_battery *di)
+{
+ rk818_bat_save_dsoc(di, di->dsoc);
+ rk818_bat_save_cap(di, di->remain_cap);
+ rk818_bat_save_algo_rest(di);
+}
+
+static void rk818_battery_work(struct work_struct *work)
+{
+ struct rk818_battery *di =
+ container_of(work, struct rk818_battery, bat_delay_work.work);
+
+ rk818_bat_update_info(di);
+ rk818_bat_wait_finish_sig(di);
+ rk818_bat_rsoc_daemon(di);
+ rk818_bat_update_temperature(di);
+ rk818_bat_display_smooth(di);
+ rk818_bat_power_supply_changed(di);
+ rk818_bat_save_data(di);
+ rk818_bat_debug_info(di);
+
+ queue_delayed_work(di->bat_monitor_wq, &di->bat_delay_work,
+ msecs_to_jiffies(di->monitor_ms));
+}
+
+static irqreturn_t rk818_vb_low_irq(int irq, void *bat)
+{
+ struct rk818_battery *di = (struct rk818_battery *)bat;
+
+ rk_send_wakeup_key();
+ BAT_INFO("lower power yet, power off system! v=%d, c=%d, dsoc=%d\n",
+ di->voltage_avg, di->current_avg, di->dsoc);
+
+ return IRQ_HANDLED;
+}
+
+static void rk818_bat_init_sysfs(struct rk818_battery *di)
+{
+ int i, ret;
+
+ for (i = 0; i < ARRAY_SIZE(rk818_bat_attr); i++) {
+ ret = sysfs_create_file(&di->dev->kobj,
+ &rk818_bat_attr[i].attr);
+ if (ret)
+ dev_err(di->dev, "create bat node(%s) error\n",
+ rk818_bat_attr[i].attr.name);
+ }
+}
+
+static int rk818_bat_init_irqs(struct rk818_battery *di)
+{
+ struct rk808 *rk818 = di->rk818;
+ struct platform_device *pdev = di->pdev;
+ int ret, vb_lo_irq;
+
+ vb_lo_irq = regmap_irq_get_virq(rk818->irq_data, RK818_IRQ_VB_LO);
+ if (vb_lo_irq < 0) {
+ dev_err(di->dev, "vb_lo_irq request failed!\n");
+ return vb_lo_irq;
+ }
+
+ ret = devm_request_threaded_irq(di->dev, vb_lo_irq, NULL,
+ rk818_vb_low_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "rk818_vb_low", di);
+ if (ret) {
+ dev_err(&pdev->dev, "vb_lo_irq request failed!\n");
+ return ret;
+ }
+ enable_irq_wake(vb_lo_irq);
+
+ return 0;
+}
+
+static void rk818_bat_init_info(struct rk818_battery *di)
+{
+ di->design_cap = di->pdata->design_capacity;
+ di->qmax = di->pdata->design_qmax;
+ di->bat_res = di->pdata->bat_res;
+ di->monitor_ms = di->pdata->monitor_sec * TIMER_MS_COUNTS;
+ di->boot_base = POWER_ON_SEC_BASE;
+ di->res_div = (di->pdata->sample_res == SAMPLE_RES_20MR) ?
+ SAMPLE_RES_DIV1 : SAMPLE_RES_DIV2;
+}
+
+static time64_t rk818_get_rtc_sec(void)
+{
+ int err;
+ struct rtc_time tm;
+ struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
+
+ err = rtc_read_time(rtc, &tm);
+ if (err) {
+ dev_err(rtc->dev.parent, "read hardware clk failed\n");
+ return 0;
+ }
+
+ err = rtc_valid_tm(&tm);
+ if (err) {
+ dev_err(rtc->dev.parent, "invalid date time\n");
+ return 0;
+ }
+
+ return rtc_tm_to_time64(&tm);
+}
+
+static int rk818_bat_rtc_sleep_sec(struct rk818_battery *di)
+{
+ int interval_sec;
+
+ interval_sec = rk818_get_rtc_sec() - di->rtc_base;
+
+ return (interval_sec > 0) ? interval_sec : 0;
+}
+
+static void rk818_bat_set_shtd_vol(struct rk818_battery *di)
+{
+ u8 val;
+
+#if 0
+ /* set vbat lowest 3.0v shutdown */
+ val = rk818_bat_read(di, RK818_VB_MON_REG);
+ val &= ~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK);
+ val |= (RK818_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN);
+ rk818_bat_write(di, RK818_VB_MON_REG, val);
+
+ /* disable low irq */
+ rk818_bat_set_bits(di, RK818_INT_STS_MSK_REG1,
+ VB_LOW_INT_EN, VB_LOW_INT_EN);
+#endif
+
+ val = rk818_bat_read(di, RK818_VB_MON_REG);
+ val &= (~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK));
+ val |= (RK818_VBAT_LOW_3V4 | EN_VBAT_LOW_IRQ);
+ rk818_bat_write(di, RK818_VB_MON_REG, val);
+ rk818_bat_set_bits(di, RK818_INT_STS_MSK_REG1, VB_LOW_INT_EN, 0);
+}
+
+static void rk818_bat_init_fg(struct rk818_battery *di)
+{
+ rk818_bat_enable_gauge(di);
+ rk818_bat_init_voltage_kb(di);
+ rk818_bat_init_coffset(di);
+ rk818_bat_set_relax_sample(di);
+ rk818_bat_set_ioffset_sample(di);
+ rk818_bat_set_ocv_sample(di);
+ rk818_bat_init_ts1_detect(di);
+ rk818_bat_init_rsoc(di);
+ rk818_bat_init_coulomb_cap(di, di->nac);
+ rk818_bat_init_age_algorithm(di);
+ rk818_bat_init_chrg_config(di);
+ rk818_bat_set_shtd_vol(di);
+ rk818_bat_init_zero_table(di);
+ rk818_bat_init_caltimer(di);
+ rk818_bat_init_dsoc_algorithm(di);
+
+ di->voltage_avg = rk818_bat_get_avg_voltage(di);
+ di->voltage_ocv = rk818_bat_get_ocv_voltage(di);
+ di->voltage_relax = rk818_bat_get_relax_voltage(di);
+ di->current_avg = rk818_bat_get_avg_current(di);
+ di->remain_cap = rk818_bat_get_coulomb_cap(di);
+ di->dbg_pwr_dsoc = di->dsoc;
+ di->dbg_pwr_rsoc = di->rsoc;
+ di->dbg_pwr_vol = di->voltage_avg;
+
+ rk818_bat_dump_regs(di, 0x99, 0xee);
+ DBG("nac=%d cap=%d ov=%d v=%d rv=%d dl=%d rl=%d c=%d\n",
+ di->nac, di->remain_cap, di->voltage_ocv, di->voltage_avg,
+ di->voltage_relax, di->dsoc, di->rsoc, di->current_avg);
+}
+
+#ifdef CONFIG_OF
+static int rk818_bat_parse_dt(struct rk818_battery *di)
+{
+ u32 out_value;
+ int length, ret;
+ size_t size;
+ struct device_node *np = di->dev->of_node;
+ struct battery_platform_data *pdata;
+ struct device *dev = di->dev;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ di->pdata = pdata;
+ /* init default param */
+ pdata->bat_res = DEFAULT_BAT_RES;
+ pdata->monitor_sec = DEFAULT_MONITOR_SEC;
+ pdata->pwroff_vol = DEFAULT_PWROFF_VOL_THRESD;
+ pdata->sleep_exit_current = DEFAULT_SLP_EXIT_CUR;
+ pdata->sleep_enter_current = DEFAULT_SLP_ENTER_CUR;
+ pdata->bat_mode = MODE_BATTARY;
+ pdata->max_soc_offset = DEFAULT_MAX_SOC_OFFSET;
+ pdata->sample_res = DEFAULT_SAMPLE_RES;
+ pdata->energy_mode = DEFAULT_ENERGY_MODE;
+ pdata->fb_temp = DEFAULT_FB_TEMP;
+ pdata->zero_reserve_dsoc = DEFAULT_ZERO_RESERVE_DSOC;
+
+ /* parse necessary param */
+ if (!of_find_property(np, "ocv_table", &length)) {
+ dev_err(dev, "ocv_table not found!\n");
+ return -EINVAL;
+ }
+
+ pdata->ocv_size = length / sizeof(u32);
+ if (pdata->ocv_size <= 0) {
+ dev_err(dev, "invalid ocv table\n");
+ return -EINVAL;
+ }
+
+ size = sizeof(*pdata->ocv_table) * pdata->ocv_size;
+ pdata->ocv_table = devm_kzalloc(di->dev, size, GFP_KERNEL);
+ if (!pdata->ocv_table)
+ return -ENOMEM;
+
+ ret = of_property_read_u32_array(np, "ocv_table",
+ pdata->ocv_table,
+ pdata->ocv_size);
+ if (ret < 0)
+ return ret;
+
+ ret = of_property_read_u32(np, "design_capacity", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "design_capacity not found!\n");
+ return ret;
+ }
+ pdata->design_capacity = out_value;
+
+ ret = of_property_read_u32(np, "design_qmax", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "design_qmax not found!\n");
+ return ret;
+ }
+ pdata->design_qmax = out_value;
+ ret = of_property_read_u32(np, "max_chrg_voltage", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "max_chrg_voltage missing!\n");
+ return ret;
+ }
+ pdata->max_chrg_voltage = out_value;
+ if (out_value >= 4300)
+ pdata->zero_algorithm_vol = DEFAULT_ALGR_VOL_THRESD2;
+ else
+ pdata->zero_algorithm_vol = DEFAULT_ALGR_VOL_THRESD1;
+
+ ret = of_property_read_u32(np, "fb_temperature", &pdata->fb_temp);
+ if (ret < 0)
+ dev_err(dev, "fb_temperature missing!\n");
+
+ ret = of_property_read_u32(np, "sample_res", &pdata->sample_res);
+ if (ret < 0)
+ dev_err(dev, "sample_res missing!\n");
+
+ ret = of_property_read_u32(np, "energy_mode", &pdata->energy_mode);
+ if (ret < 0)
+ dev_err(dev, "energy_mode missing!\n");
+
+ ret = of_property_read_u32(np, "max_soc_offset",
+ &pdata->max_soc_offset);
+ if (ret < 0)
+ dev_err(dev, "max_soc_offset missing!\n");
+
+ ret = of_property_read_u32(np, "monitor_sec", &pdata->monitor_sec);
+ if (ret < 0)
+ dev_err(dev, "monitor_sec missing!\n");
+
+ ret = of_property_read_u32(np, "zero_algorithm_vol",
+ &pdata->zero_algorithm_vol);
+ if (ret < 0)
+ dev_err(dev, "zero_algorithm_vol missing!\n");
+
+ ret = of_property_read_u32(np, "zero_reserve_dsoc",
+ &pdata->zero_reserve_dsoc);
+
+ ret = of_property_read_u32(np, "virtual_power", &pdata->bat_mode);
+ if (ret < 0)
+ dev_err(dev, "virtual_power missing!\n");
+
+ ret = of_property_read_u32(np, "bat_res", &pdata->bat_res);
+ if (ret < 0)
+ dev_err(dev, "bat_res missing!\n");
+
+ ret = of_property_read_u32(np, "sleep_enter_current",
+ &pdata->sleep_enter_current);
+ if (ret < 0)
+ dev_err(dev, "sleep_enter_current missing!\n");
+
+ ret = of_property_read_u32(np, "sleep_exit_current",
+ &pdata->sleep_exit_current);
+ if (ret < 0)
+ dev_err(dev, "sleep_exit_current missing!\n");
+
+ ret = of_property_read_u32(np, "power_off_thresd", &pdata->pwroff_vol);
+ if (ret < 0)
+ dev_err(dev, "power_off_thresd missing!\n");
+
+ if (!of_find_property(np, "ntc_table", &length)) {
+ pdata->ntc_size = 0;
+ } else {
+ /* get ntc degree base value */
+ ret = of_property_read_u32_index(np, "ntc_degree_from", 1,
+ &pdata->ntc_degree_from);
+ if (ret) {
+ dev_err(dev, "invalid ntc_degree_from\n");
+ return -EINVAL;
+ }
+
+ of_property_read_u32_index(np, "ntc_degree_from", 0,
+ &out_value);
+ if (out_value)
+ pdata->ntc_degree_from = -pdata->ntc_degree_from;
+
+ pdata->ntc_size = length / sizeof(u32);
+ }
+
+ if (pdata->ntc_size) {
+ size = sizeof(*pdata->ntc_table) * pdata->ntc_size;
+ pdata->ntc_table = devm_kzalloc(di->dev, size, GFP_KERNEL);
+ if (!pdata->ntc_table)
+ return -ENOMEM;
+
+ ret = of_property_read_u32_array(np, "ntc_table",
+ pdata->ntc_table,
+ pdata->ntc_size);
+ if (ret < 0)
+ return ret;
+ }
+
+ DBG("the battery dts info dump:\n"
+ "bat_res:%d\n"
+ "design_capacity:%d\n"
+ "design_qmax :%d\n"
+ "sleep_enter_current:%d\n"
+ "sleep_exit_current:%d\n"
+ "zero_algorithm_vol:%d\n"
+ "zero_reserve_dsoc:%d\n"
+ "monitor_sec:%d\n"
+ "max_soc_offset:%d\n"
+ "virtual_power:%d\n"
+ "pwroff_vol:%d\n"
+ "sample_res:%d\n"
+ "ntc_size=%d\n"
+ "ntc_degree_from:%d\n"
+ "ntc_degree_to:%d\n",
+ pdata->bat_res, pdata->design_capacity, pdata->design_qmax,
+ pdata->sleep_enter_current, pdata->sleep_exit_current,
+ pdata->zero_algorithm_vol, pdata->zero_reserve_dsoc,
+ pdata->monitor_sec,
+ pdata->max_soc_offset, pdata->bat_mode, pdata->pwroff_vol,
+ pdata->sample_res, pdata->ntc_size, pdata->ntc_degree_from,
+ pdata->ntc_degree_from + pdata->ntc_size - 1
+ );
+
+ return 0;
+}
+#else
+static int rk818_bat_parse_dt(struct rk818_battery *di)
+{
+ return -ENODEV;
+}
+#endif
+
+static const struct of_device_id rk818_battery_of_match[] = {
+ { .compatible = "rockchip,rk818-battery", },
+ { },
+};
+
+static struct rk818_battery* bat;
+
+struct rk818_battery* rk818_battery_get(void)
+{
+ return bat;
+}
+EXPORT_SYMBOL_GPL(rk818_battery_get);
+
+static int rk818_battery_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *of_id =
+ of_match_device(rk818_battery_of_match, &pdev->dev);
+ struct rk818_battery *di;
+ struct rk808 *rk818 = dev_get_drvdata(pdev->dev.parent);
+ int ret;
+
+ if (!of_id) {
+ dev_err(&pdev->dev, "Failed to find matching dt id\n");
+ return -ENODEV;
+ }
+
+ di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
+ if (!di)
+ return -ENOMEM;
+
+ di->rk818 = rk818;
+ di->pdev = pdev;
+ di->dev = &pdev->dev;
+ di->regmap = rk818->regmap;
+ platform_set_drvdata(pdev, di);
+
+ ret = rk818_bat_parse_dt(di);
+ if (ret < 0) {
+ dev_err(di->dev, "rk818 battery parse dt failed!\n");
+ return ret;
+ }
+
+ if (!is_rk818_bat_exist(di)) {
+ di->pdata->bat_mode = MODE_VIRTUAL;
+ dev_err(di->dev, "no battery, virtual power mode\n");
+ }
+
+ ret = rk818_bat_init_irqs(di);
+ if (ret != 0) {
+ dev_err(di->dev, "rk818 bat init irqs failed!\n");
+ return ret;
+ }
+
+ /*
+ ret = rk818_bat_init_power_supply(di);
+ if (ret) {
+ dev_err(di->dev, "rk818 power supply register failed!\n");
+ return ret;
+ }
+ */
+
+ rk818_bat_init_info(di);
+ rk818_bat_init_fg(di);
+ rk818_bat_init_sysfs(di);
+ //wake_lock_init(&di->wake_lock, WAKE_LOCK_SUSPEND, "rk818_bat_lock");
+ di->bat_monitor_wq = alloc_ordered_workqueue("%s",
+ WQ_MEM_RECLAIM | WQ_FREEZABLE, "rk818-bat-monitor-wq");
+ INIT_DELAYED_WORK(&di->bat_delay_work, rk818_battery_work);
+ queue_delayed_work(di->bat_monitor_wq, &di->bat_delay_work,
+ msecs_to_jiffies(TIMER_MS_COUNTS * 5));
+
+ BAT_INFO("driver version %s\n", DRIVER_VERSION);
+
+ bat = di;
+ return ret;
+}
+
+static int rk818_battery_suspend(struct platform_device *dev,
+ pm_message_t state)
+{
+ struct rk818_battery *di = platform_get_drvdata(dev);
+ u8 val, st;
+
+ cancel_delayed_work_sync(&di->bat_delay_work);
+
+ di->s2r = false;
+ di->sleep_chrg_online = rk818_bat_chrg_online(di);
+ di->sleep_chrg_status = rk818_bat_get_chrg_status(di);
+ di->current_avg = rk818_bat_get_avg_current(di);
+ di->remain_cap = rk818_bat_get_coulomb_cap(di);
+ di->rsoc = rk818_bat_get_rsoc(di);
+ di->rtc_base = rk818_get_rtc_sec();
+ rk818_bat_save_data(di);
+ st = (rk818_bat_read(di, RK818_SUP_STS_REG) & CHRG_STATUS_MSK) >> 4;
+
+ /* if not CHARGE_FINISH, reinit finish_base.
+ * avoid sleep loop between suspend and resume
+ */
+ if (di->sleep_chrg_status != CHARGE_FINISH)
+ di->finish_base = get_boot_sec();
+
+ /* avoid: enter suspend from MODE_ZERO: load from heavy to light */
+ if ((di->work_mode == MODE_ZERO) &&
+ (di->sleep_chrg_online) && (di->current_avg >= 0)) {
+ DBG("suspend: MODE_ZERO exit...\n");
+ /* it need't do prepare for mode finish and smooth, it will
+ * be done in display_smooth
+ */
+ if (di->sleep_chrg_status == CHARGE_FINISH) {
+ di->work_mode = MODE_FINISH;
+ di->finish_base = get_boot_sec();
+ } else {
+ di->work_mode = MODE_SMOOTH;
+ rk818_bat_smooth_algo_prepare(di);
+ }
+ }
+
+ /* set vbat low than 3.4v to generate a wakeup irq */
+ val = rk818_bat_read(di, RK818_VB_MON_REG);
+ val &= (~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK));
+ val |= (RK818_VBAT_LOW_3V4 | EN_VBAT_LOW_IRQ);
+ rk818_bat_write(di, RK818_VB_MON_REG, val);
+ rk818_bat_set_bits(di, RK818_INT_STS_MSK_REG1, VB_LOW_INT_EN, 0);
+
+ BAT_INFO("suspend: dl=%d rl=%d c=%d v=%d cap=%d at=%ld ch=%d st=%s\n",
+ di->dsoc, di->rsoc, di->current_avg,
+ rk818_bat_get_avg_voltage(di), rk818_bat_get_coulomb_cap(di),
+ di->sleep_dischrg_sec, di->sleep_chrg_online, bat_status[st]);
+
+ return 0;
+}
+
+static int rk818_battery_resume(struct platform_device *dev)
+{
+ struct rk818_battery *di = platform_get_drvdata(dev);
+ int interval_sec, time_step, pwroff_vol;
+ u8 val, st;
+
+ di->s2r = true;
+ di->current_avg = rk818_bat_get_avg_current(di);
+ di->voltage_relax = rk818_bat_get_relax_voltage(di);
+ di->voltage_avg = rk818_bat_get_avg_voltage(di);
+ di->remain_cap = rk818_bat_get_coulomb_cap(di);
+ di->rsoc = rk818_bat_get_rsoc(di);
+ interval_sec = rk818_bat_rtc_sleep_sec(di);
+ di->sleep_sum_sec += interval_sec;
+ pwroff_vol = di->pdata->pwroff_vol;
+ st = (rk818_bat_read(di, RK818_SUP_STS_REG) & CHRG_STATUS_MSK) >> 4;
+
+ if (!di->sleep_chrg_online) {
+ /* only add up discharge sleep seconds */
+ di->sleep_dischrg_sec += interval_sec;
+ if (di->voltage_avg <= pwroff_vol + 50)
+ time_step = DISCHRG_TIME_STEP1;
+ else
+ time_step = DISCHRG_TIME_STEP2;
+ }
+
+ BAT_INFO("resume: dl=%d rl=%d c=%d v=%d rv=%d "
+ "cap=%d dt=%d at=%ld ch=%d st=%s\n",
+ di->dsoc, di->rsoc, di->current_avg, di->voltage_avg,
+ di->voltage_relax, rk818_bat_get_coulomb_cap(di), interval_sec,
+ di->sleep_dischrg_sec, di->sleep_chrg_online, bat_status[st]);
+
+ /* sleep: enough time and discharge */
+ if ((di->sleep_dischrg_sec > time_step) && (!di->sleep_chrg_online)) {
+ if (rk818_bat_sleep_dischrg(di))
+ di->sleep_dischrg_sec = 0;
+ }
+
+ rk818_bat_save_data(di);
+
+ /* set vbat lowest 3.0v shutdown */
+ rk818_bat_set_shtd_vol(di);
+
+ /* charge/lowpower lock: for battery work to update dsoc and rsoc */
+ // if ((di->sleep_chrg_online) ||
+ // (!di->sleep_chrg_online && di->voltage_avg < di->pdata->pwroff_vol))
+ // wake_lock_timeout(&di->wake_lock, msecs_to_jiffies(2000));
+
+ queue_delayed_work(di->bat_monitor_wq, &di->bat_delay_work,
+ msecs_to_jiffies(1000));
+
+ return 0;
+}
+
+static void rk818_battery_shutdown(struct platform_device *dev)
+{
+ u8 cnt = 0;
+ struct rk818_battery *di = platform_get_drvdata(dev);
+
+ cancel_delayed_work_sync(&di->bat_delay_work);
+ cancel_delayed_work_sync(&di->calib_delay_work);
+ del_timer(&di->caltimer);
+ if (base2sec(di->boot_base) < REBOOT_PERIOD_SEC)
+ cnt = rk818_bat_check_reboot(di);
+ else
+ rk818_bat_save_reboot_cnt(di, 0);
+
+ BAT_INFO("shutdown: dl=%d rl=%d c=%d v=%d cap=%d f=%d ch=%d n=%d "
+ "mode=%d rest=%d\n",
+ di->dsoc, di->rsoc, di->current_avg, di->voltage_avg,
+ di->remain_cap, di->fcc, rk818_bat_chrg_online(di), cnt,
+ di->algo_rest_mode, di->algo_rest_val);
+}
+
+static struct platform_driver rk818_battery_driver = {
+ .probe = rk818_battery_probe,
+ .suspend = rk818_battery_suspend,
+ .resume = rk818_battery_resume,
+ .shutdown = rk818_battery_shutdown,
+ .driver = {
+ .name = "rk818-battery",
+ .of_match_table = rk818_battery_of_match,
+ },
+};
+
+static int __init battery_init(void)
+{
+ return platform_driver_register(&rk818_battery_driver);
+}
+fs_initcall_sync(battery_init);
+
+static void __exit battery_exit(void)
+{
+ platform_driver_unregister(&rk818_battery_driver);
+}
+module_exit(battery_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rk818-battery");
+MODULE_AUTHOR("chenjh<chenjh@rock-chips.com>");
diff -rupN linux.orig/drivers/power/supply/rk818_battery.h linux/drivers/power/supply/rk818_battery.h
--- linux.orig/drivers/power/supply/rk818_battery.h 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/power/supply/rk818_battery.h 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,168 @@
+/*
+ * rk818_battery.h: fuel gauge driver structures
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd
+ * Author: chenjh <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#ifndef RK818_BATTERY
+#define RK818_BATTERY
+
+/* RK818_INT_STS_MSK_REG2 */
+#define PLUG_IN_MSK BIT(0)
+#define PLUG_OUT_MSK BIT(1)
+#define CHRG_CVTLMT_INT_MSK BIT(6)
+
+/* RK818_TS_CTRL_REG */
+#define GG_EN BIT(7)
+#define ADC_CUR_EN BIT(6)
+#define ADC_TS1_EN BIT(5)
+#define ADC_TS2_EN BIT(4)
+#define TS1_CUR_MSK 0x03
+
+/* RK818_GGCON */
+#define OCV_SAMP_MIN_MSK 0x0c
+#define OCV_SAMP_8MIN (0x00 << 2)
+
+#define ADC_CAL_MIN_MSK 0x30
+#define ADC_CAL_8MIN (0x00 << 4)
+#define ADC_CUR_MODE BIT(1)
+
+/* RK818_GGSTS */
+#define BAT_CON BIT(4)
+#define RELAX_VOL1_UPD BIT(3)
+#define RELAX_VOL2_UPD BIT(2)
+#define RELAX_VOL12_UPD_MSK (RELAX_VOL1_UPD | RELAX_VOL2_UPD)
+
+/* RK818_SUP_STS_REG */
+#define CHRG_STATUS_MSK 0x70
+#define BAT_EXS BIT(7)
+#define CHARGE_OFF (0x0 << 4)
+#define DEAD_CHARGE (0x1 << 4)
+#define TRICKLE_CHARGE (0x2 << 4)
+#define CC_OR_CV (0x3 << 4)
+#define CHARGE_FINISH (0x4 << 4)
+#define USB_OVER_VOL (0x5 << 4)
+#define BAT_TMP_ERR (0x6 << 4)
+#define TIMER_ERR (0x7 << 4)
+#define USB_VLIMIT_EN BIT(3)
+#define USB_CLIMIT_EN BIT(2)
+#define USB_EXIST BIT(1)
+#define USB_EFF BIT(0)
+
+/* RK818_USB_CTRL_REG */
+#define CHRG_CT_EN BIT(7)
+#define FINISH_CUR_MSK 0xc0
+#define TEMP_105C (0x02 << 2)
+#define FINISH_100MA (0x00 << 6)
+#define FINISH_150MA (0x01 << 6)
+#define FINISH_200MA (0x02 << 6)
+#define FINISH_250MA (0x03 << 6)
+
+/* RK818_CHRG_CTRL_REG3 */
+#define CHRG_TERM_MODE_MSK BIT(5)
+#define CHRG_TERM_ANA_SIGNAL (0 << 5)
+#define CHRG_TERM_DIG_SIGNAL BIT(5)
+#define CHRG_TIMER_CCCV_EN BIT(2)
+#define CHRG_EN BIT(7)
+
+/* RK818_VB_MON_REG */
+#define RK818_VBAT_LOW_3V0 0x02
+#define RK818_VBAT_LOW_3V4 0x06
+#define PLUG_IN_STS BIT(6)
+
+/* RK818_THERMAL_REG */
+#define FB_TEMP_MSK 0x0c
+#define HOTDIE_STS BIT(1)
+
+/* RK818_INT_STS_MSK_REG1 */
+#define VB_LOW_INT_EN BIT(1)
+
+/* RK818_MISC_MARK_REG */
+#define FG_INIT BIT(5)
+#define FG_RESET_LATE BIT(4)
+#define FG_RESET_NOW BIT(3)
+#define ALGO_REST_MODE_MSK (0xc0)
+#define ALGO_REST_MODE_SHIFT 6
+
+/* bit shift */
+#define FB_TEMP_SHIFT 2
+
+/* parse ocv table param */
+#define TIMER_MS_COUNTS 1000
+#define MAX_PERCENTAGE 100
+#define MAX_INTERPOLATE 1000
+#define MAX_INT 0x7FFF
+
+#define DRIVER_VERSION "7.1"
+
+struct battery_platform_data {
+ u32 *ocv_table;
+ u32 *zero_table;
+ u32 *ntc_table;
+ u32 ocv_size;
+ u32 max_chrg_voltage;
+ u32 ntc_size;
+ int ntc_degree_from;
+ u32 pwroff_vol;
+ u32 monitor_sec;
+ u32 zero_algorithm_vol;
+ u32 zero_reserve_dsoc;
+ u32 bat_res;
+ u32 design_capacity;
+ u32 design_qmax;
+ u32 sleep_enter_current;
+ u32 sleep_exit_current;
+ u32 max_soc_offset;
+ u32 sample_res;
+ u32 bat_mode;
+ u32 fb_temp;
+ u32 energy_mode;
+ u32 cccv_hour;
+ u32 ntc_uA;
+ u32 ntc_factor;
+};
+
+enum work_mode {
+ MODE_ZERO = 0,
+ MODE_FINISH,
+ MODE_SMOOTH_CHRG,
+ MODE_SMOOTH_DISCHRG,
+ MODE_SMOOTH,
+};
+
+enum bat_mode {
+ MODE_BATTARY = 0,
+ MODE_VIRTUAL,
+};
+
+static const u16 feedback_temp_array[] = {
+ 85, 95, 105, 115
+};
+
+static const u16 chrg_vol_sel_array[] = {
+ 4050, 4100, 4150, 4200, 4250, 4300, 4350
+};
+
+static const u16 chrg_cur_sel_array[] = {
+ 1000, 1200, 1400, 1600, 1800, 2000, 2250, 2400, 2600, 2800, 3000
+};
+
+static const u16 chrg_cur_input_array[] = {
+ 450, 80, 850, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000
+};
+
+void kernel_power_off(void);
+int rk818_bat_temp_notifier_register(struct notifier_block *nb);
+int rk818_bat_temp_notifier_unregister(struct notifier_block *nb);
+
+#endif
diff -rupN linux.orig/drivers/power/supply/rk818_charger.c linux/drivers/power/supply/rk818_charger.c
--- linux.orig/drivers/power/supply/rk818_charger.c 1970-01-01 00:00:00.000000000 +0000
+++ linux/drivers/power/supply/rk818_charger.c 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,726 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * rk818 usb power driver
+ *
+ * Copyright (c) 2021 Ondřej Jirman <megi@xff.cz>
+ */
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/mfd/rk808.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/regmap.h>
+
+#define RK818_CHG_STS_MASK (7u << 4) /* charger status */
+#define RK818_CHG_STS_NONE (0u << 4)
+#define RK818_CHG_STS_WAKEUP_CUR (1u << 4)
+#define RK818_CHG_STS_TRICKLE_CUR (2u << 4)
+#define RK818_CHG_STS_CC_OR_CV (3u << 4)
+#define RK818_CHG_STS_TERMINATED (4u << 4)
+#define RK818_CHG_STS_USB_OV (5u << 4)
+#define RK818_CHG_STS_BAT_TEMP_FAULT (6u << 4)
+#define RK818_CHG_STS_TIMEOUT (7u << 4)
+
+/* RK818_SUP_STS_REG */
+#define RK818_SUP_STS_USB_VLIM_EN BIT(3) /* input voltage limit enable */
+#define RK818_SUP_STS_USB_ILIM_EN BIT(2) /* input current limit enable */
+#define RK818_SUP_STS_USB_EXS BIT(1) /* USB power connected */
+#define RK818_SUP_STS_USB_EFF BIT(0) /* USB fault */
+
+/* RK818_USB_CTRL_REG */
+#define RK818_USB_CTRL_USB_ILIM_MASK (0xfu)
+#define RK818_USB_CTRL_USB_CHG_SD_VSEL_OFFSET 4
+#define RK818_USB_CTRL_USB_CHG_SD_VSEL_MASK (0x7u << 4)
+
+/* RK818_CHRG_CTRL_REG1 */
+#define RK818_CHRG_CTRL_REG1_CHRG_EN BIT(7)
+#define RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_OFFSET 4
+#define RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_MASK (0x7u << 4)
+#define RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_OFFSET 0
+#define RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_MASK (0xfu << 0)
+
+/* RK818_CHRG_CTRL_REG3 */
+#define RK818_CHRG_CTRL_REG3_CHRG_TERM_DIGITAL BIT(5)
+
+struct rk818_charger {
+ struct device *dev;
+ struct rk808 *rk818;
+ struct regmap *regmap;
+
+ struct power_supply *usb_psy;
+ struct power_supply *charger_psy;
+
+ bool apply_ilim;
+};
+
+// {{{ USB supply
+
+static int rk818_usb_set_input_current_max(struct rk818_charger *cg,
+ int val)
+{
+ int ret;
+ unsigned reg;
+
+ if (val < 450000)
+ reg = 1;
+ else if (val < 850000)
+ reg = 0;
+ else if (val < 1000000)
+ reg = 2;
+ else if (val < 3000000)
+ reg = 3 + (val - 1000000) / 250000;
+ else
+ reg = 11;
+
+ dev_info(cg->dev, "applying input current limit %d mA\n", val / 1000);
+
+ ret = regmap_update_bits(cg->regmap, RK818_USB_CTRL_REG,
+ RK818_USB_CTRL_USB_ILIM_MASK, reg);
+ if (ret)
+ dev_err(cg->dev,
+ "USB input current limit setting failed (%d)\n", ret);
+
+ return ret;
+}
+
+static int rk818_usb_get_input_current_max(struct rk818_charger *cg,
+ int *val)
+{
+ unsigned reg;
+ int ret;
+
+ ret = regmap_read(cg->regmap, RK818_USB_CTRL_REG, &reg);
+ if (ret) {
+ dev_err(cg->dev,
+ "USB input current limit getting failed (%d)\n", ret);
+ return ret;
+ }
+
+ reg &= RK818_USB_CTRL_USB_ILIM_MASK;
+ if (reg == 0)
+ *val = 450000;
+ else if (reg == 1)
+ *val = 80000;
+ else if (reg == 2)
+ *val = 850000;
+ else if (reg < 11)
+ *val = 1000000 + (reg - 3) * 250000;
+ else
+ *val = 3000000;
+
+ return 0;
+}
+
+static int rk818_usb_set_input_voltage_min(struct rk818_charger *cg,
+ int val)
+{
+ unsigned reg;
+ int ret;
+
+ if (val < 2780000)
+ reg = 0;
+ else if (val < 3270000)
+ reg = (val - 2780000) / 70000;
+ else
+ reg = 7;
+
+ ret = regmap_update_bits(cg->regmap, RK818_USB_CTRL_REG,
+ RK818_USB_CTRL_USB_CHG_SD_VSEL_MASK,
+ reg << RK818_USB_CTRL_USB_CHG_SD_VSEL_OFFSET);
+ if (ret)
+ dev_err(cg->dev,
+ "USB input voltage limit setting failed (%d)\n", ret);
+
+ return ret;
+}
+
+static int rk818_usb_get_input_voltage_min(struct rk818_charger *cg,
+ int *val)
+{
+ unsigned reg;
+ int ret;
+
+ ret = regmap_read(cg->regmap, RK818_USB_CTRL_REG, &reg);
+ if (ret) {
+ dev_err(cg->dev,
+ "USB input voltage limit getting failed (%d)\n", ret);
+ return ret;
+ }
+
+ reg &= RK818_USB_CTRL_USB_CHG_SD_VSEL_MASK;
+ reg >>= RK818_USB_CTRL_USB_CHG_SD_VSEL_OFFSET;
+
+ *val = 2780000 + (reg * 70000);
+
+ return 0;
+}
+
+static int rk818_usb_power_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct rk818_charger *cg = power_supply_get_drvdata(psy);
+ unsigned reg;
+ int ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_PRESENT:
+ ret = regmap_read(cg->regmap, RK818_SUP_STS_REG, &reg);
+ if (ret)
+ return ret;
+
+ val->intval = !!(reg & RK818_SUP_STS_USB_EXS);
+ break;
+
+ case POWER_SUPPLY_PROP_HEALTH:
+ ret = regmap_read(cg->regmap, RK818_SUP_STS_REG, &reg);
+ if (ret)
+ return ret;
+
+ if (!(reg & RK818_SUP_STS_USB_EXS)) {
+ val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
+ } else if (reg & RK818_SUP_STS_USB_EFF) {
+ val->intval = POWER_SUPPLY_HEALTH_GOOD;
+ } else {
+ val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+ }
+
+ break;
+
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ return rk818_usb_get_input_voltage_min(cg, &val->intval);
+
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ return rk818_usb_get_input_current_max(cg, &val->intval);
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rk818_usb_power_set_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{
+ struct rk818_charger *cg = power_supply_get_drvdata(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ return rk818_usb_set_input_voltage_min(cg, val->intval);
+
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ return rk818_usb_set_input_current_max(cg, val->intval);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int rk818_usb_power_prop_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+/* Sync the input-current-limit with our parent supply (if we have one) */
+static void rk818_usb_power_external_power_changed(struct power_supply *psy)
+{
+ struct rk818_charger *cg = power_supply_get_drvdata(psy);
+ union power_supply_propval val;
+ int ret;
+
+ ret = power_supply_get_property_from_supplier(cg->usb_psy,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+ &val);
+ if (ret)
+ return;
+
+ /*
+ * We only want to start applying input current limit after we get first
+ * non-0 value from the supplier. Until then, we keep the limit applied
+ * by the bootloader. If we lower the limit before the charger is properly
+ * detected, we risk boot failure due to insufficient power.
+ */
+ if (!cg->apply_ilim) {
+ if (!val.intval)
+ return;
+
+ cg->apply_ilim = true;
+ }
+
+ if (val.intval < 500000)
+ val.intval = 500000;
+
+ rk818_usb_power_set_property(cg->usb_psy,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ &val);
+}
+
+static enum power_supply_property rk818_usb_power_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
+};
+
+static const struct power_supply_desc rk818_usb_desc = {
+ .name = "rk818-usb-charger",
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = rk818_usb_power_props,
+ .num_properties = ARRAY_SIZE(rk818_usb_power_props),
+ .property_is_writeable = rk818_usb_power_prop_writeable,
+ .get_property = rk818_usb_power_get_property,
+ .set_property = rk818_usb_power_set_property,
+ .external_power_changed = rk818_usb_power_external_power_changed,
+};
+
+// }}}
+// {{{ Charger supply
+
+static int rk818_charger_set_current_max(struct rk818_charger *cg, int val)
+{
+ unsigned reg;
+ int ret;
+
+ if (val < 1000000)
+ reg = 0;
+ else if (val < 3000000)
+ reg = (val - 1000000) / 200000;
+ else
+ reg = 10;
+
+ ret = regmap_update_bits(cg->regmap, RK818_CHRG_CTRL_REG1,
+ RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_MASK,
+ reg << RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_OFFSET);
+ if (ret)
+ dev_err(cg->dev,
+ "Charging max current setting failed (%d)\n", ret);
+
+ return ret;
+}
+
+static int rk818_charger_get_current_max(struct rk818_charger *cg, int *val)
+{
+ unsigned reg;
+ int ret;
+
+ ret = regmap_read(cg->regmap, RK818_CHRG_CTRL_REG1, &reg);
+ if (ret) {
+ dev_err(cg->dev,
+ "Charging max current getting failed (%d)\n", ret);
+ return ret;
+ }
+
+ reg &= RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_MASK;
+ reg >>= RK818_CHRG_CTRL_REG1_CHRG_CUR_SEL_OFFSET;
+
+ *val = 1000000 + reg * 200000;
+
+ return 0;
+}
+
+static int rk818_charger_set_voltage_max(struct rk818_charger *cg, int val)
+{
+ unsigned reg;
+ int ret;
+
+ if (val < 4050000)
+ reg = 0;
+ else if (val < 4350000)
+ reg = (val - 4050000) / 50000;
+ else
+ reg = 6;
+
+ ret = regmap_update_bits(cg->regmap, RK818_CHRG_CTRL_REG1,
+ RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_MASK,
+ reg << RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_OFFSET);
+ if (ret)
+ dev_err(cg->dev,
+ "Charging end voltage setting failed (%d)\n", ret);
+
+ return ret;
+}
+
+static int rk818_charger_get_voltage_max(struct rk818_charger *cg, int *val)
+{
+ unsigned reg;
+ int ret;
+
+ ret = regmap_read(cg->regmap, RK818_CHRG_CTRL_REG1, &reg);
+ if (ret) {
+ dev_err(cg->dev,
+ "Charging end voltage getting failed (%d)\n", ret);
+ return ret;
+ }
+
+ reg &= RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_MASK;
+ reg >>= RK818_CHRG_CTRL_REG1_CHRG_VOL_SEL_OFFSET;
+
+ *val = 4050000 + reg * 50000;
+
+ return 0;
+}
+
+struct rk818_battery;
+struct rk818_battery* rk818_battery_get(void);
+int rk818_battery_get_property(struct rk818_battery *di,
+ enum power_supply_property psp,
+ union power_supply_propval *val);
+
+static int rk818_charger_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct rk818_charger *cg = power_supply_get_drvdata(psy);
+ struct rk818_battery* di = rk818_battery_get();
+ unsigned reg;
+ int ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ case POWER_SUPPLY_PROP_PRESENT:
+ case POWER_SUPPLY_PROP_CAPACITY:
+ case POWER_SUPPLY_PROP_TEMP:
+ case POWER_SUPPLY_PROP_STATUS:
+ case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ if (!di)
+ return -ENODEV;
+ return rk818_battery_get_property(di, psp, val);
+ default:;
+ }
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = regmap_read(cg->regmap, RK818_CHRG_CTRL_REG1, &reg);
+ if (ret) {
+ dev_err(cg->dev, "failed to read the charger state (%d)\n", ret);
+ return ret;
+ }
+
+ val->intval = !!(reg & RK818_CHRG_CTRL_REG1_CHRG_EN);
+ break;
+
+ case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
+ ret = regmap_read(cg->regmap, RK818_CHRG_CTRL_REG1, &reg);
+ if (ret) {
+ dev_err(cg->dev, "failed to read the charger state (%d)\n", ret);
+ return ret;
+ }
+
+ if (reg & RK818_CHRG_CTRL_REG1_CHRG_EN)
+ val->intval = POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO;
+ else
+ val->intval = POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE;
+
+ return 0;
+
+ case POWER_SUPPLY_PROP_STATUS:
+ ret = regmap_read(cg->regmap, RK818_SUP_STS_REG, &reg);
+ if (ret)
+ return ret;
+
+ switch (reg & RK818_CHG_STS_MASK) {
+ case RK818_CHG_STS_WAKEUP_CUR:
+ case RK818_CHG_STS_TRICKLE_CUR:
+ case RK818_CHG_STS_CC_OR_CV:
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case RK818_CHG_STS_TERMINATED:
+ default:
+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ }
+
+ break;
+
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ ret = regmap_read(cg->regmap, RK818_SUP_STS_REG, &reg);
+ if (ret)
+ return ret;
+
+ switch (reg & RK818_CHG_STS_MASK) {
+ case RK818_CHG_STS_WAKEUP_CUR:
+ case RK818_CHG_STS_TRICKLE_CUR:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ break;
+ case RK818_CHG_STS_CC_OR_CV:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
+ break;
+ case RK818_CHG_STS_TERMINATED:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ default:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
+ break;
+ }
+
+ break;
+
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ ret = regmap_read(cg->regmap, RK818_CHRG_CTRL_REG2, &reg);
+ if (ret)
+ return ret;
+
+ val->intval = 100000 + ((reg >> 6) & 3) * 50000;
+ break;
+
+ case POWER_SUPPLY_PROP_HEALTH:
+ ret = regmap_read(cg->regmap, RK818_SUP_STS_REG, &reg);
+ if (ret)
+ return ret;
+
+ switch (reg & RK818_CHG_STS_MASK) {
+ case RK818_CHG_STS_USB_OV:
+ val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
+ break;
+ case RK818_CHG_STS_BAT_TEMP_FAULT:
+ val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
+ break;
+ case RK818_CHG_STS_TIMEOUT:
+ val->intval = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
+ break;
+ default:
+ val->intval = POWER_SUPPLY_HEALTH_GOOD;
+ break;
+ }
+
+ break;
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ return rk818_charger_get_voltage_max(cg, &val->intval);
+
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ ret = rk818_charger_get_current_max(cg, &val->intval);
+ val->intval /= 10;
+ return ret;
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ return rk818_charger_get_current_max(cg, &val->intval);
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
+ val->intval = 4350000;
+ break;
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
+ val->intval = 3000000;
+ break;
+
+ case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+ val->intval = 11400000;
+ return 0;
+
+ case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
+ val->intval = 0;
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rk818_charger_set_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{
+ struct rk818_charger *cg = power_supply_get_drvdata(psy);
+ int ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
+ switch (val->intval) {
+ case POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO:
+ return regmap_update_bits(cg->regmap, RK818_CHRG_CTRL_REG1,
+ RK818_CHRG_CTRL_REG1_CHRG_EN,
+ RK818_CHRG_CTRL_REG1_CHRG_EN);
+ case POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE:
+ return regmap_update_bits(cg->regmap, RK818_CHRG_CTRL_REG1,
+ RK818_CHRG_CTRL_REG1_CHRG_EN, 0);
+ default:
+ return -EINVAL;
+ }
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ return rk818_charger_set_voltage_max(cg, val->intval);
+
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ return rk818_charger_set_current_max(cg, val->intval);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int rk818_charger_prop_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+static enum power_supply_property rk818_charger_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
+ POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
+ POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
+
+ // inherited from BSP battery driver
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_CHARGE_COUNTER,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+};
+
+/*
+ * We import some capacity tracking functionality from the BSP battery driver.
+ * Some poor soul will have to understand and clean up the BSP battery driver,
+ * but not me, not now. :)
+ */
+static const struct power_supply_desc rk818_charger_desc = {
+ .name = "battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = rk818_charger_props,
+ .num_properties = ARRAY_SIZE(rk818_charger_props),
+ .property_is_writeable = rk818_charger_prop_writeable,
+ .get_property = rk818_charger_get_property,
+ .set_property = rk818_charger_set_property,
+};
+
+// }}}
+
+static int rk818_charger_probe(struct platform_device *pdev)
+{
+ struct rk808 *rk818 = dev_get_drvdata(pdev->dev.parent);
+ struct power_supply_config psy_cfg = { };
+ struct device *dev = &pdev->dev;
+ struct rk818_charger *cg;
+ int ret;
+
+ cg = devm_kzalloc(dev, sizeof(*cg), GFP_KERNEL);
+ if (!cg)
+ return -ENOMEM;
+
+ cg->rk818 = rk818;
+ cg->dev = dev;
+ cg->regmap = rk818->regmap;
+ platform_set_drvdata(pdev, cg);
+
+ psy_cfg.drv_data = cg;
+ psy_cfg.of_node = dev->of_node;
+
+ cg->usb_psy = devm_power_supply_register(dev, &rk818_usb_desc,
+ &psy_cfg);
+ if (IS_ERR(cg->usb_psy))
+ return dev_err_probe(dev, PTR_ERR(cg->usb_psy),
+ "register usb power supply fail\n");
+
+ cg->charger_psy = devm_power_supply_register(dev, &rk818_charger_desc,
+ &psy_cfg);
+ if (IS_ERR(cg->charger_psy))
+ return dev_err_probe(dev, PTR_ERR(cg->charger_psy),
+ "register charger power supply fail\n");
+
+ /* disable voltage limit and enable input current limit */
+ ret = regmap_update_bits(cg->regmap, RK818_SUP_STS_REG,
+ RK818_SUP_STS_USB_ILIM_EN | RK818_SUP_STS_USB_VLIM_EN,
+ RK818_SUP_STS_USB_ILIM_EN);
+ if (ret)
+ dev_warn(cg->dev, "failed to enable input current limit (%d)\n", ret);
+
+ /* make sure analog control loop is enabled */
+ ret = regmap_update_bits(cg->regmap, RK818_CHRG_CTRL_REG3,
+ RK818_CHRG_CTRL_REG3_CHRG_TERM_DIGITAL,
+ 0);
+ if (ret)
+ dev_warn(cg->dev, "failed to enable analog control loop (%d)\n", ret);
+
+ /* enable charger and set some reasonable limits on each boot */
+ ret = regmap_write(cg->regmap, RK818_CHRG_CTRL_REG1,
+ RK818_CHRG_CTRL_REG1_CHRG_EN
+ | (1) /* 1.2A */
+ | (5 << 4) /* 4.3V */);
+ if (ret)
+ dev_warn(cg->dev, "failed to enable charger (%d)\n", ret);
+
+ rk818_usb_power_external_power_changed(cg->usb_psy);
+
+ return 0;
+}
+
+static int rk818_charger_remove(struct platform_device *pdev)
+{
+ //struct rk818_charger *cg = platform_get_drvdata(pdev);
+
+ return 0;
+}
+
+static void rk818_charger_shutdown(struct platform_device *pdev)
+{
+}
+
+static int rk818_charger_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ return 0;
+}
+
+static int rk818_charger_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static const struct of_device_id rk818_charger_of_match[] = {
+ { .compatible = "rockchip,rk818-charger", },
+ { },
+};
+
+static struct platform_driver rk818_charger_driver = {
+ .probe = rk818_charger_probe,
+ .remove = rk818_charger_remove,
+ .suspend = rk818_charger_suspend,
+ .resume = rk818_charger_resume,
+ .shutdown = rk818_charger_shutdown,
+ .driver = {
+ .name = "rk818-charger",
+ .of_match_table = rk818_charger_of_match,
+ },
+};
+
+module_platform_driver(rk818_charger_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rk818-charger");
+MODULE_AUTHOR("Ondřej Jirman <megi@xff.cz>");
diff -rupN linux.orig/include/linux/input-polldev.h linux/include/linux/input-polldev.h
--- linux.orig/include/linux/input-polldev.h 1970-01-01 00:00:00.000000000 +0000
+++ linux/include/linux/input-polldev.h 2023-09-12 12:03:27.490291628 +0000
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _INPUT_POLLDEV_H
+#define _INPUT_POLLDEV_H
+
+/*
+ * Copyright (c) 2007 Dmitry Torokhov
+ */
+
+#include <linux/input.h>
+#include <linux/workqueue.h>
+
+/**
+ * struct input_polled_dev - simple polled input device
+ * @private: private driver data.
+ * @open: driver-supplied method that prepares device for polling
+ * (enabled the device and maybe flushes device state).
+ * @close: driver-supplied method that is called when device is no
+ * longer being polled. Used to put device into low power mode.
+ * @poll: driver-supplied method that polls the device and posts
+ * input events (mandatory).
+ * @poll_interval: specifies how often the poll() method should be called.
+ * Defaults to 500 msec unless overridden when registering the device.
+ * @poll_interval_max: specifies upper bound for the poll interval.
+ * Defaults to the initial value of @poll_interval.
+ * @poll_interval_min: specifies lower bound for the poll interval.
+ * Defaults to 0.
+ * @input: input device structure associated with the polled device.
+ * Must be properly initialized by the driver (id, name, phys, bits).
+ *
+ * Polled input device provides a skeleton for supporting simple input
+ * devices that do not raise interrupts but have to be periodically
+ * scanned or polled to detect changes in their state.
+ */
+struct input_polled_dev {
+ void *private;
+
+ void (*open)(struct input_polled_dev *dev);
+ void (*close)(struct input_polled_dev *dev);
+ void (*poll)(struct input_polled_dev *dev);
+ unsigned int poll_interval; /* msec */
+ unsigned int poll_interval_max; /* msec */
+ unsigned int poll_interval_min; /* msec */
+
+ struct input_dev *input;
+
+/* private: */
+ struct delayed_work work;
+
+ bool devres_managed;
+};
+
+struct input_polled_dev *input_allocate_polled_device(void);
+struct input_polled_dev *devm_input_allocate_polled_device(struct device *dev);
+void input_free_polled_device(struct input_polled_dev *dev);
+int input_register_polled_device(struct input_polled_dev *dev);
+void input_unregister_polled_device(struct input_polled_dev *dev);
+
+#endif
diff -rupN linux.orig/include/linux/mfd/rk808.h linux/include/linux/mfd/rk808.h
--- linux.orig/include/linux/mfd/rk808.h 2023-09-12 12:02:59.205653098 +0000
+++ linux/include/linux/mfd/rk808.h 2023-09-12 12:03:27.490291628 +0000
@@ -138,6 +138,8 @@ enum rk818_reg {
RK818_ID_OTG_SWITCH,
};
+#define RK818_VB_MON_REG 0x21
+#define RK818_THERMAL_REG 0x22
#define RK818_DCDC_EN_REG 0x23
#define RK818_LDO_EN_REG 0x24
#define RK818_SLEEP_SET_OFF_REG1 0x25
@@ -184,13 +186,90 @@ enum rk818_reg {
#define RK818_INT_STS_REG2 0x4e
#define RK818_INT_STS_MSK_REG2 0x4f
#define RK818_IO_POL_REG 0x50
+#define RK818_OTP_VDD_EN_REG 0x51
#define RK818_H5V_EN_REG 0x52
#define RK818_SLEEP_SET_OFF_REG3 0x53
#define RK818_BOOST_LDO9_ON_VSEL_REG 0x54
#define RK818_BOOST_LDO9_SLP_VSEL_REG 0x55
#define RK818_BOOST_CTRL_REG 0x56
-#define RK818_DCDC_ILMAX 0x90
+#define RK818_DCDC_ILMAX_REG 0x90
+#define RK818_CHRG_COMP_REG 0x9a
+#define RK818_SUP_STS_REG 0xa0
#define RK818_USB_CTRL_REG 0xa1
+#define RK818_CHRG_CTRL_REG1 0xa3
+#define RK818_CHRG_CTRL_REG2 0xa4
+#define RK818_CHRG_CTRL_REG3 0xa5
+#define RK818_BAT_CTRL_REG 0xa6
+#define RK818_BAT_HTS_TS1_REG 0xa8
+#define RK818_BAT_LTS_TS1_REG 0xa9
+#define RK818_BAT_HTS_TS2_REG 0xaa
+#define RK818_BAT_LTS_TS2_REG 0xab
+#define RK818_TS_CTRL_REG 0xac
+#define RK818_ADC_CTRL_REG 0xad
+#define RK818_ON_SOURCE_REG 0xae
+#define RK818_OFF_SOURCE_REG 0xaf
+#define RK818_GGCON_REG 0xb0
+#define RK818_GGSTS_REG 0xb1
+#define RK818_FRAME_SMP_INTERV_REG 0xb2
+#define RK818_AUTO_SLP_CUR_THR_REG 0xb3
+#define RK818_GASCNT_CAL_REG3 0xb4
+#define RK818_GASCNT_CAL_REG2 0xb5
+#define RK818_GASCNT_CAL_REG1 0xb6
+#define RK818_GASCNT_CAL_REG0 0xb7
+#define RK818_GASCNT3_REG 0xb8
+#define RK818_GASCNT2_REG 0xb9
+#define RK818_GASCNT1_REG 0xba
+#define RK818_GASCNT0_REG 0xbb
+#define RK818_BAT_CUR_AVG_REGH 0xbc
+#define RK818_BAT_CUR_AVG_REGL 0xbd
+#define RK818_TS1_ADC_REGH 0xbe
+#define RK818_TS1_ADC_REGL 0xbf
+#define RK818_TS2_ADC_REGH 0xc0
+#define RK818_TS2_ADC_REGL 0xc1
+#define RK818_BAT_OCV_REGH 0xc2
+#define RK818_BAT_OCV_REGL 0xc3
+#define RK818_BAT_VOL_REGH 0xc4
+#define RK818_BAT_VOL_REGL 0xc5
+#define RK818_RELAX_ENTRY_THRES_REGH 0xc6
+#define RK818_RELAX_ENTRY_THRES_REGL 0xc7
+#define RK818_RELAX_EXIT_THRES_REGH 0xc8
+#define RK818_RELAX_EXIT_THRES_REGL 0xc9
+#define RK818_RELAX_VOL1_REGH 0xca
+#define RK818_RELAX_VOL1_REGL 0xcb
+#define RK818_RELAX_VOL2_REGH 0xcc
+#define RK818_RELAX_VOL2_REGL 0xcd
+#define RK818_BAT_CUR_R_CALC_REGH 0xce
+#define RK818_BAT_CUR_R_CALC_REGL 0xcf
+#define RK818_BAT_VOL_R_CALC_REGH 0xd0
+#define RK818_BAT_VOL_R_CALC_REGL 0xd1
+#define RK818_CAL_OFFSET_REGH 0xd2
+#define RK818_CAL_OFFSET_REGL 0xd3
+#define RK818_NON_ACT_TIMER_CNT_REG 0xd4
+#define RK818_VCALIB0_REGH 0xd5
+#define RK818_VCALIB0_REGL 0xd6
+#define RK818_VCALIB1_REGH 0xd7
+#define RK818_VCALIB1_REGL 0xd8
+#define RK818_IOFFSET_REGH 0xdd
+#define RK818_IOFFSET_REGL 0xde
+#define RK818_SOC_REG 0xe0
+#define RK818_REMAIN_CAP_REG3 0xe1
+#define RK818_REMAIN_CAP_REG2 0xe2
+#define RK818_REMAIN_CAP_REG1 0xe3
+#define RK818_REMAIN_CAP_REG0 0xe4
+#define RK818_UPDAT_LEVE_REG 0xe5
+#define RK818_NEW_FCC_REG3 0xe6
+#define RK818_NEW_FCC_REG2 0xe7
+#define RK818_NEW_FCC_REG1 0xe8
+#define RK818_NEW_FCC_REG0 0xe9
+#define RK818_NON_ACT_TIMER_CNT_SAVE_REG 0xea
+#define RK818_OCV_VOL_VALID_REG 0xeb
+#define RK818_REBOOT_CNT_REG 0xec
+#define RK818_POFFSET_REG 0xed
+#define RK818_MISC_MARK_REG 0xee
+#define RK818_HALT_CNT_REG 0xef
+#define RK818_CALC_REST_REGH 0xf0
+#define RK818_CALC_REST_REGL 0xf1
+#define RK818_SAVE_DATA19 0xf2
#define RK818_H5V_EN BIT(0)
#define RK818_REF_RDY_CTRL BIT(1)
@@ -382,6 +461,8 @@ enum rk805_reg {
#define VOUT_LO_INT BIT(0)
#define CLK32KOUT2_EN BIT(0)
+#define CLK32KOUT2_FUNC (0 << 1)
+#define CLK32KOUT2_FUNC_MASK BIT(1)
#define TEMP115C 0x0c
#define TEMP_HOTDIE_MSK 0x0c
diff -rupN linux.orig/sound/soc/meson/axg-card.c linux/sound/soc/meson/axg-card.c
--- linux.orig/sound/soc/meson/axg-card.c 2023-09-12 12:02:59.597661952 +0000
+++ linux/sound/soc/meson/axg-card.c 2023-09-12 12:03:27.490291628 +0000
@@ -59,6 +59,13 @@ static int axg_card_tdm_dai_init(struct
(struct axg_dai_link_tdm_data *)priv->link_data[rtd->num];
struct snd_soc_dai *codec_dai;
int ret, i;
+ struct snd_soc_card *card = rtd->card;
+
+ /* Go-Ultra : Digital volume is limited to -2dB */
+ ret = snd_soc_limit_volume(card, "Master Playback Volume", 252);
+ if (ret < 0)
+ dev_dbg(codec_dai->dev,
+ "Not found mixer : 'Master Playback Volume'\n");
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_tdm_slot(codec_dai,
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