android_驱动_qcom_【高通SDM660平台】(1) ---Bringup Guide
【高通SDM660平台】Camera 驱动 Bringup Guide
- 一、Kernel 代码移植
- 1. DTS 文件配置
- 1.1 sdm660.dtsi
- 1.2 sdm660-camera.dtsi
- 1.3 sdm660-camera-sensor-mtp.dtsi
- 1.3.1 Camera Sensor DTS配置
- 1.3.2 Camera 供电DTS配置（avdd/dovdd/dvdd/vaf）
- 1.3.3 Camera 闪光灯DTS配置
- 1.3.4 Camera 马达DTS配置
- 1.3.5 Camera 光学防抖 OSI DTS配置
- 1.3.6 Camera eeprom DTS配置
- 1.3.7 Camera PM660L GPIO DTS配置
- 1.4 sdm660-pinctrl.dtsi
- 2. Kernel Driver 配置
- 二、Vendor 代码移植
- 1. Camera Sensor 库文件代码移植
- 1.1 导入Camera Sensor lib 库代码
- 2. 导入Camera Chromatix 默认效果参数
- 2.1 chromatix version 0309 和 0310 定义
- 3. 修改 Sensor Config XML
- 3.1 imx350_sunny.xml
- 3.2 sdm660_camera.xml
- 3.3 sensors_configs_Android.mk
- 4. 导入 Camera AF 马达lib库代码
- 5. 导入 Camera Flashlight 闪光灯lib库代码
- 6. 导入 Camera Eeprom OTP lib库代码
- 三、扩展
- 扩展一、 interrupts 中断节点解析
- （1）interrupt type
- （2）interrupt number
- （3）trigger type
- 扩展二、 光学防抖 OIS
《【高通SDM660平台】(1) — Camera 驱动 Bringup Guide》
《【高通SDM660平台】(2) — Camera Kernel 驱动层代码逻辑分析》
《【高通SDM660平台】(3) — Camera V4L2 驱动层分析 》
《【高通SDM660平台】(4) — Camera Init 初始化流程 》
《【高通SDM660平台】(5) — Camera Open 流程》
《【高通SDM660平台】(6) — Camera getParameters 及 setParameters 流程》
《【高通SDM660平台】(7) — Camera onPreview 代码流程》
《【高通SDM660平台】(8) — Camera MetaData介绍》
《【高通SDM660平台 Android 10.0】(9) — Qcom Camera Daemon 代码分析》
《【高通SDM660平台 Android 10.0】(10) — Camera Sensor lib 与 Kernel Camera Probe 代码分析》
《【高通SDM660平台】Camera Capture 流程》
《【高通SDM660平台】Camera mm-qcamera-app 代码分析》
一、Kernel 代码移植
1. DTS 文件配置
dts 文件目录：
高通SDM660平台代码中，arm64 与 arm 走的是同一个目录文件，
kernel\msm-4.4\arch\arm64\boot\dts\qcom这个目录其实是 \kernel\msm-4.4\arch\arm\boot\dts\qcom的软链接。
Camera 相关的 dts 文件：
@ kernel\msm-4.4\arch\arm64\boot\dts\qcom\sdm660.dtsi
@ kernel\msm-4.4\arch\arm64\boot\dts\qcom\sdm660-camera.dtsi
@ kernel\msm-4.4\arch\arm64\boot\dts\qcom\sdm660-pinctrl.dtsi
@ kernel\msm-4.4\arch\arm64\boot\dts\qcom\sdm660-camera-sensor-mtp.dtsi
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1.1 sdm660.dtsi
在该文件中，主要功能如下：
- 引入 sdm660-camera.dtsi 文件
- 配置 camera_focus 和 camera_snapshot 对应的 GPIO 及 上报的 keycode。
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660.dtsi
// 1. 引入 sdm660-camera.dtsi
#include "sdm660-camera.dtsi"
// 2. 配置 camera_focus 和 camera_snapshot GPIO 及对应的 keycode。
&soc {
gpio_keys {
status = “okay”;
compatible = “gpio-keys”;
input-name = “gpio-keys”;
pinctrl-names = “tlmm_gpio_key_active”,“tlmm_gpio_key_suspend”;
pinctrl-0 = <&gpio_key_active>;
pinctrl-1 = <&gpio_key_suspend>;
camera_focus {
label = "camera_focus";
gpios = <&tlmm 64 0x1>;
linux,input-type = <1>;
linux,code = <0x210>;
debounce-interval = <15>;
};
camera_snapshot {
label = "camera_snapshot";
gpios = <&tlmm 113 0x1>;
linux,input-type = <1>;
linux,code = <0x2fe>;
debounce-interval = <15>;
};
};
};
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1.2 sdm660-camera.dtsi
在 sdm660-camera.dtsi 中主要是配置了平台相关的Camera 底层硬件相关的配置，比如 CSI，CS。
如无特殊需求，一般不会修改此处的代码。
部分代码及对应的解释如下：
各参数解析详见：
@ \kernel\msm-4.4\Documentation\devicetree\bindings\media\video\msm-csid.txt
@ \kernel\msm-4.4\Documentation\devicetree\bindings\media\video\msm-csi-phy.txt
&soc {
qcom,csiphy@c824000 { // CSI 总线映射的寄存器地址
cell-index = <0>; // CSI 硬件总线索引号 0
compatible = “qcom,csiphy-v3.5”, “qcom,csiphy”; // compatible = “a厂商，p产品”, “标准bbb类型设备”。
// 那么linux kernel可能首先使用“a厂商，p产品”来匹配适合的driver，
// 如果没有匹配到，那么使用字符串“标准bbb类型设备”来继续寻找适合的driver。
reg = <0xc824000 0x1000>,<0xca00120 0x4>; // 使用的寄存器地址 及 长度
reg-names = "csiphy", "csiphy_clk_mux"; // cisphy 寄存器地址为 0xc824000, 长度为 0x1000
// csiphy_clk_mux 寄存器地址为 0xca00120,长度为 0x4
interrupts = <0 78 0>; // interrupt的格式是<type, interrupt number, trigger type>， 详见《（扩展1） interrupts 中断节点解析》
interrupt-names = "csiphy"; // 中断name，可通过 cat /proc/interrupts 获取
gdscr-supply = <&gdsc_camss_top>;
bimc_smmu-supply = <&gdsc_bimc_smmu>;
qcom,cam-vreg-name = "gdscr", "bimc_smmu"; // voltage regulators 和 name
clocks = <&clock_rpmcc MMSSNOC_AXI_CLK>, // clocks 和 name
<&clock_mmss MMSS_MNOC_AHB_CLK>,
<&clock_mmss MMSS_BIMC_SMMU_AHB_CLK>,
<&clock_mmss MMSS_BIMC_SMMU_AXI_CLK>,
<&clock_mmss MMSS_CAMSS_AHB_CLK>,
<&clock_mmss MMSS_CAMSS_TOP_AHB_CLK>,
<&clock_mmss CSI0_CLK_SRC>,
<&clock_mmss MMSS_CAMSS_CSI0_CLK>,
<&clock_mmss MMSS_CAMSS_CPHY_CSID0_CLK>,
<&clock_mmss CSI0PHYTIMER_CLK_SRC>,
<&clock_mmss MMSS_CAMSS_CSI0PHYTIMER_CLK>,
<&clock_mmss MMSS_CAMSS_ISPIF_AHB_CLK>,
<&clock_mmss CSIPHY_CLK_SRC>,
<&clock_mmss MMSS_CAMSS_CSIPHY0_CLK>,
<&clock_mmss MMSS_CSIPHY_AHB2CRIF_CLK>;
clock-names = "mmssnoc_axi", "mnoc_ahb",
"bmic_smmu_ahb", "bmic_smmu_axi",
"camss_ahb_clk", "camss_top_ahb_clk",
"csi_src_clk", "csi_clk", "cphy_csid_clk",
"csiphy_timer_src_clk", "csiphy_timer_clk",
"camss_ispif_ahb_clk", "csiphy_clk_src", "csiphy_clk",
"csiphy_ahb2crif";
qcom,clock-rates = <0 0 0 0 0 0 310000000 0 0 269333333 0 0 200000000 0 0>; // 上面对应所有clock 的速率
status = "ok";
};
qcom,csiphy@c825000 {
cell-index = <1>; // CSI 硬件总线索引号 1
compatible = "qcom,csiphy-v3.5", "qcom,csiphy";
reg = <0xc825000 0x1000>, <0xca00124 0x4>;
reg-names = "csiphy", "csiphy_clk_mux"; // cisphy 寄存器地址为 0xc825000, 长度为 0x1000
// csiphy_clk_mux 寄存器地址为 0xca00124 ,长度为 0x4
interrupts = <0 79 0>;
interrupt-names = "csiphy";
...... // 此处省略一大段代码，内容和前面 CSI 0 一样，配置clk 及其速率
};
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1.3 sdm660-camera-sensor-mtp.dtsi
文件 sdm660-pinctrl.dtsi和 sdm660-camera-sensor-mtp.dtsi是在 sdm660-mtp.dtsi中被包含的。
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-mtp.dtsi
#include “sdm660-pinctrl.dtsi”
#include “sdm660-camera-sensor-mtp.dtsi”
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sdm660-camera-sensor-mtp.dtsi是kernel camera 重点要配置的文件
其中包括了 camera 闪光灯的配置，avdd/dovdd/dvdd/vaf 等电压的配置，camera 马达的配置 ，eeprom的配置，camera sensor的配置。
1.3.1 Camera Sensor DTS配置
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-camera-sensor-mtp.dtsi
@ \kernel\msm-4.4\Documentation\devicetree\bindings\media\video\msm-cci.txt
&cci {
qcom,camera@0 {
cell-index = <0>; // Camera索引号 0，此处注意不要重复了
compatible = “qcom,camera”;
reg = <0x0>; // 和索引号一样
qcom,csiphy-sd-index = <0>; // 使用 CSI 0，具体根据硬件决定，一般来说， 0：后摄， 1：前摄
qcom,csid-sd-index = <0>; // 使用 CSI 0
qcom,mount-angle = <90>; // Sensor 成像方向与主板的角度，camear旋转角度
qcom,led-flash-src = <&led_flash0>; // 闪光灯，使用 led_flash0
qcom,actuator-src = <&actuator0>; // 马达，使用 actuator0
qcom,ois-src = <&ois0>; // 是否支持 光学防抖
qcom,eeprom-src = <&eeprom1>; // eeprom 1
cam_vio-supply = <&pm660_l11>; // IO voltage IO口电压 VDDIO 数字 IO 电源主要给 I2C 部分供电；
cam_vana-supply = <&cam_avdd_gpio_regulator>; // analog voltage 模拟电压 AVDD 模拟供电，主要给感光区和 ADC 部分供电；
cam_vdig-supply = <&cam_rear_dvdd_gpio_regulator>; // digital voltage 数字电压DVDD 数字供电，主要给 ISP 供电
cam_vaf-supply = <&cam_vaf_gpio_regulator>; // AF voltage Camera 自动对焦马达的供电
cam_v_custom1-supply = <&cam_dovdd_gpio_regulator>;
qcom,cam-vreg-name = “cam_vio”, “cam_vana”, “cam_vdig”, “cam_vaf”,“cam_v_custom1”; // 供电配置 及对应的 电压，详见下
qcom,cam-vreg-min-voltage = <1780000 0 0 0 0>;
qcom,cam-vreg-max-voltage = <1950000 0 0 0 0>;
qcom,cam-vreg-op-mode = <105000 0 0 0 0>;
qcom,gpio-no-mux = <0>; // 1:表示 gpio mux 不可用 0:表示可用
pinctrl-names = “cam_default”, “cam_suspend”; // Camera gpio clk 和 reset gpio 配置
pinctrl-0 = <&cam_sensor_mclk0_active &cam_sensor_rear_active>;
pinctrl-1 = <&cam_sensor_mclk0_suspend &cam_sensor_rear_suspend>;
gpios = <&tlmm 32 0>, <&tlmm 46 0>;
qcom,gpio-reset = <1>;
qcom,gpio-req-tbl-num = <0 1>;
qcom,gpio-req-tbl-flags = <1 0>;
qcom,gpio-req-tbl-label = “CAMIF_MCLK0”, “CAM_RESET0”;
qcom,sensor-position = <0>; // 1:前置 0:后置
qcom,sensor-mode = <0>;
===>{ @ \kernel\msm-4.4\Documentation\devicetree\bindings\media\video\msm-cci.txt
- qcom,sensor-mode : should contain sensor mode supported
- 0 -> back camera 2D
- 1 -> front camera 2D
- 2 -> back camera 3D
- 3 -> back camera int 3D
}
qcom,cci-master = <0>; // I2C 0
status = “ok”;
clocks = <&clock_mmss MCLK0_CLK_SRC>, <&clock_mmss MMSS_CAMSS_MCLK0_CLK>;
clock-names = “cam_src_clk”, “cam_clk”;
qcom,clock-rates = <24000000 0>; // clock rate in Hz
//- qcom,sensor-type : should contain format of data that sensor streams
// - 0 -> bayer format
// - 1 -> yuv format
};
qcom,camera@1 {
cell-index = <1>; // Camera索引号 1，此处注意不要重复了
compatible = "qcom,camera";
reg = <0x1>;
qcom,csiphy-sd-index = <1>;
qcom,csid-sd-index = <1>;
qcom,mount-angle = <90>;
qcom,actuator-src = <&actuator1>;
qcom,eeprom-src = <&eeprom1>;
cam_vio-supply = <&cam_dovdd_gpio_regulator>;
cam_vana-supply = <&cam_avdd_gpio_regulator>;
cam_vdig-supply = <&cam_rear_dvdd_gpio_regulator>;
cam_vaf-supply = <&cam_vaf_gpio_regulator>;
qcom,cam-vreg-name = "cam_vio", "cam_vana", "cam_vdig", "cam_vaf";
qcom,cam-vreg-min-voltage = <0 0 0 0>;
qcom,cam-vreg-max-voltage = <0 0 0 0>;
qcom,cam-vreg-op-mode = <105000 0 0 0>;
qcom,gpio-no-mux = <0>;
pinctrl-names = "cam_default", "cam_suspend";
pinctrl-0 = <&cam_sensor_mclk2_active &cam_sensor_rear2_active>;
pinctrl-1 = <&cam_sensor_mclk2_suspend &cam_sensor_rear2_suspend>;
gpios = <&tlmm 34 0>, <&tlmm 48 0>;
qcom,gpio-reset = <1>;
qcom,gpio-req-tbl-num = <0 1>;
qcom,gpio-req-tbl-flags = <1 0>;
qcom,gpio-req-tbl-label = "CAMIF_MCLK", "CAM_RESET";
qcom,sensor-position = <0>; // 1:前置 0:后置
qcom,sensor-mode = <0>; // 0 -> back camera 2D
qcom,cci-master = <1>; // I2C 1
status = "ok";
clocks = <&clock_mmss MCLK2_CLK_SRC>, <&clock_mmss MMSS_CAMSS_MCLK2_CLK>;
clock-names = "cam_src_clk", "cam_clk";
qcom,clock-rates = <24000000 0>;
};
qcom,camera@2 {
cell-index = <2>; // Camera索引号 2，此处注意不要重复了
compatible = "qcom,camera";
reg = <0x02>;
qcom,csiphy-sd-index = <2>;
qcom,csid-sd-index = <2>;
qcom,mount-angle = <270>;
//qcom,actuator-src = <&actuator2>; // 前报不需要马达，所以此处不用配置马达 ，同样下面也不用配置 af voltage
qcom,eeprom-src = <&eeprom2>;
cam_vio-supply = <&pm660_l11>;
cam_vana-supply = <&cam_avdd_gpio_regulator>;
cam_vdig-supply = <&cam_dvdd_gpio_regulator>;
qcom,cam-vreg-name = "cam_vio", "cam_vana", "cam_vdig";
qcom,cam-vreg-min-voltage = <1780000 0 0>;
qcom,cam-vreg-max-voltage = <1950000 0 0>;
qcom,cam-vreg-op-mode = <105000 0 0>;
qcom,gpio-no-mux = <0>;
pinctrl-names = "cam_default", "cam_suspend";
pinctrl-0 = <&cam_sensor_mclk1_active &cam_sensor_front_active>;
pinctrl-1 = <&cam_sensor_mclk1_suspend &cam_sensor_front_suspend>;
gpios = <&tlmm 33 0>, <&tlmm 47 0>;
qcom,gpio-reset = <1>;
qcom,gpio-req-tbl-num = <0 1>;
qcom,gpio-req-tbl-flags = <1 0>;
qcom,gpio-req-tbl-label = "CAMIF_MCLK2", "CAM_RESET2";
qcom,sensor-position = <1>; // 1:前置 0:后置
qcom,sensor-mode = <1>; // 1 -> front camera 2D
qcom,cci-master = <1>; // I2C 1
status = "ok";
clocks = <&clock_mmss MCLK1_CLK_SRC>, <&clock_mmss MMSS_CAMSS_MCLK1_CLK>;
clock-names = "cam_src_clk", "cam_clk";
qcom,clock-rates = <24000000 0>;
};
}
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1.3.2 Camera 供电DTS配置（avdd/dovdd/dvdd/vaf）
Camera 供电配置要根据具体的硬件来配置，
如果走的是 pm 电源则配置如cam_vio-supply = <&pm660_l11>;
如果走的是具体GPIO供电，则要做如下配置 ，调用时配置如cam_vana-supply = <&cam_avdd_gpio_regulator>;
各GPIO 供电配置如下：
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-camera-sensor-mtp.dtsi &soc { cam_avdd_gpio_regulator: cam_avdd_fixed_regulator { compatible = "regulator-fixed"; regulator-name = "cam_avdd_gpio_regulator"; regulator-min-microvolt = <3600000>; regulator-max-microvolt = <3600000>; enable-active-high; gpio = <&tlmm 51 0>; // 使用 CPU的 GPIO 51 ，供电 3.6v vin-supply = <&pm660l_bob>; };cam_dovdd_gpio_regulator: cam_dovdd_fixed_regulator { compatible = "regulator-fixed"; regulator-name = "cam_dovdd_gpio_regulator"; regulator-min-microvolt = <3600000>; regulator-max-microvolt = <3600000>; enable-active-high; gpio = <&tlmm 0 0>; // 使用 CPU的 GPIO 0 ，供电 3.6v vin-supply = <&pm660l_bob>; }; cam_dvdd_gpio_regulator: cam_dvdd_fixed_regulator { compatible = "regulator-fixed"; regulator-name = "cam_dvdd_gpio_regulator"; regulator-min-microvolt = <3600000>; regulator-max-microvolt = <3600000>; enable-active-high; gpio = <&pm660l_gpios 3 0>; // 使用 PM660L的 gpio 3 ，供电 3.6v vin-supply = <&pm660l_bob>; }; cam_rear_dvdd_gpio_regulator: cam_rear_dvdd_fixed_regulator { compatible = "regulator-fixed"; regulator-name = "cam_rear_dvdd_gpio_regulator"; regulator-min-microvolt = <3600000>; regulator-max-microvolt = <3600000>; enable-active-high; gpio = <&pm660l_gpios 4 0>; // 使用 PM660L的 gpio 4 ，供电 3.6v vin-supply = <&pm660l_bob>; }; cam_vaf_gpio_regulator:cam_vaf_fixed_regulator { compatible = "regulator-fixed"; regulator-name = "cam_vaf_gpio_regulator"; regulator-min-microvolt = <3600000>; regulator-max-microvolt = <3600000>; enable-active-high; gpio = <&tlmm 50 0>; // 使用 CPU的 gpio 50 ，供电 3.6v vin-supply = <&pm660l_bob>; };
};
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1.3.3 Camera 闪光灯DTS配置
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-camera-sensor-mtp.dtsi &soc { led_flash0: qcom,camera-flash@0 { cell-index = <0>; // 闪光灯配置索引 0 compatible = "qcom,camera-flash"; // 如下： 如果两颗灯的话，则配置对应的两个供电，如果是一颗灯的主话，则配置一个供电 qcom,flash-source = <&pm660l_flash0 &pm660l_flash1>;//闪光灯供电配置 qcom,torch-source = <&pm660l_torch0 &pm660l_torch1>;//手电筒供电配置 qcom,switch-source = <&pm660l_switch0>; status = "ok"; };led_flash1: qcom,camera-flash@1 { cell-index = <1>; // 闪光灯配置索引 1 compatible = "qcom,camera-flash"; qcom,flash-source = <&pm660l_flash2>; //闪光灯供电配置 qcom,torch-source = <&pm660l_torch2>; //手电筒供电配置 qcom,switch-source = <&pm660l_switch1>; status = "ok"; };
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上述的相关电源配置均在 msm-pm660l.dtsi文件中
@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\msm-pm660l.dtsiflash_led: qcom,leds@d300 { compatible = "qcom,qpnp-flash-led-v2"; reg = <0xd300 0x100>; label = "flash"; interrupts = <0x3 0xd3 0x0 IRQ_TYPE_EDGE_RISING>, <0x3 0xd3 0x3 IRQ_TYPE_EDGE_RISING>, <0x3 0xd3 0x4 IRQ_TYPE_EDGE_RISING>; interrupt-names = "led-fault-irq", "all-ramp-down-done-irq", "all-ramp-up-done-irq"; qcom,hdrm-auto-mode; qcom,short-circuit-det; qcom,open-circuit-det; qcom,vph-droop-det; qcom,thermal-derate-en; qcom,thermal-derate-current = <200 500 1000>; qcom,isc-delay = <192>; qcom,pmic-revid = <&pm660l_revid>; pm660l_flash0: qcom,flash_0 { label = "flash"; qcom,led-name = "led:flash_0"; qcom,max-current = <1500>; // 最大电流 1.5A qcom,default-led-trigger = "flash0_trigger"; qcom,id = <0>; // flash0 qcom,current-ma = <1000>; qcom,duration-ms = <1280>; qcom,ires-ua = <12500>; qcom,hdrm-voltage-mv = <325>; qcom,hdrm-vol-hi-lo-win-mv = <100>; }; pm660l_flash1: qcom,flash_1 { label = "flash"; qcom,led-name = "led:flash_1"; qcom,max-current = <1500>; qcom,default-led-trigger = "flash1_trigger"; qcom,id = <1>; qcom,current-ma = <1000>; qcom,duration-ms = <1280>; qcom,ires-ua = <12500>; qcom,hdrm-voltage-mv = <325>; qcom,hdrm-vol-hi-lo-win-mv = <100>; }; pm660l_flash2: qcom,flash_2 { label = "flash"; qcom,led-name = "led:flash_2"; qcom,max-current = <750>; qcom,default-led-trigger = "flash2_trigger"; qcom,id = <2>; qcom,current-ma = <500>; qcom,duration-ms = <1280>; qcom,ires-ua = <12500>; qcom,hdrm-voltage-mv = <325>; qcom,hdrm-vol-hi-lo-win-mv = <100>; }; pm660l_torch0: qcom,torch_0 { label = "torch"; qcom,led-name = "led:torch_0"; qcom,max-current = <500>; qcom,default-led-trigger = "torch0_trigger"; qcom,id = <0>; qcom,current-ma = <300>; qcom,ires-ua = <12500>; qcom,hdrm-voltage-mv = <325>; qcom,hdrm-vol-hi-lo-win-mv = <100>; }; ...... pm660l_switch0: qcom,led_switch_0 { label = "switch"; qcom,led-name = "led:switch_0"; qcom,led-mask = <3>; qcom,default-led-trigger = "switch0_trigger"; }; };
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1.3.4 Camera 马达DTS配置
&cci { actuator0: qcom,actuator@0 { cell-index = <0>; reg = <0x0>; compatible = "qcom,actuator"; qcom,cci-master = <0>; // 马达使用的 i2c master , I2C 0 cam_vaf-supply = <&cam_vaf_gpio_regulator>; // 马达供电 qcom,cam-vreg-name = "cam_vaf"; qcom,cam-vreg-min-voltage = <3300000>; qcom,cam-vreg-max-voltage = <3600000>; qcom,cam-vreg-op-mode = <100000>; };actuator1: qcom,actuator@1 { cell-index = <1>; reg = <0x1>; compatible = "qcom,actuator"; qcom,cci-master = <1>; // 马达使用的 i2c master , I2C 1 cam_vaf-supply = <&cam_vaf_gpio_regulator>; qcom,cam-vreg-name = "cam_vaf"; qcom,cam-vreg-min-voltage = <3300000>; qcom,cam-vreg-max-voltage = <3600000>; qcom,cam-vreg-op-mode = <100000>; };
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1.3.5 Camera 光学防抖 OSI DTS配置
ois0: qcom,ois@0 {
cell-index = <0>;
reg = <0x0>;
compatible = "qcom,ois";
qcom,cci-master = <0>; // 使用 I2C 0
gpios = <&tlmm 50 0>; // GPIO 50
qcom,gpio-vaf = <0>;
qcom,gpio-req-tbl-num = <0>;
qcom,gpio-req-tbl-flags = <0>;
qcom,gpio-req-tbl-label = "CAM_VAF";
pinctrl-names = "cam_default", "cam_suspend";
pinctrl-0 = <&cam_actuator_vaf_active>;
pinctrl-1 = <&cam_actuator_vaf_suspend>;
status = "disabled";
};
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1.3.6 Camera eeprom DTS配置
eeprom0: qcom,eeprom@0 {
cell-index = <0>;
reg = <0>;
compatible = "qcom,eeprom";
cam_vio-supply = <&pm660_l11>;
cam_vana-supply = <&cam_avdd_gpio_regulator>;
cam_vdig-supply = <&cam_rear_dvdd_gpio_regulator>;
cam_vaf-supply = <&pm660l_l8>;
qcom,cam-vreg-name = "cam_vio", "cam_vana", "cam_vdig", "cam_vaf";
qcom,cam-vreg-min-voltage = <1780000 0 0 2800000>;
qcom,cam-vreg-max-voltage = <1950000 0 0 3400000>;
qcom,cam-vreg-op-mode = <105000 0 0 100000>;
qcom,gpio-no-mux = <0>;
pinctrl-names = "cam_default", "cam_suspend";
pinctrl-0 = <&cam_sensor_mclk0_active &cam_sensor_rear_active>;
pinctrl-1 = <&cam_sensor_mclk0_suspend &cam_sensor_rear_suspend>;
gpios = <&tlmm 32 0>, <&tlmm 46 0>;
qcom,gpio-reset = <1>;
qcom,gpio-req-tbl-num = <0 1>;
qcom,gpio-req-tbl-flags = <1 0>;
qcom,gpio-req-tbl-label = "CAMIF_MCLK0", "CAM_RESET0";
qcom,sensor-position = <0>;
qcom,sensor-mode = <0>;
qcom,cci-master = <0>;
status = "ok";
clocks = <&clock_mmss MCLK0_CLK_SRC>, <&clock_mmss MMSS_CAMSS_MCLK0_CLK>;
clock-names = "cam_src_clk", "cam_clk";
qcom,clock-rates = <24000000 0>;
};
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1.3.7 Camera PM660L GPIO DTS配置
前面我们使用到了两个 PM660L 的GPIO：
gpio = <&pm660l_gpios 3 0>;
gpio = <&pm660l_gpios 4 0>;
不同于 CPU的gpio ，其需要作单独配置，如下：
@\kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-camera-sensor-mtp.dtsi &pm660l_gpios { gpio@c300 { /* GPIO4 -CAMERA SENSOR 0 VDIG*/ qcom,mode = <1>; /* Output */ qcom,pull = <5>; /* No Pull */ qcom,vin-sel = <0>; /* VIN1 GPIO_LV */ qcom,src-sel = <0>; /* GPIO */ qcom,invert = <0>; /* Invert */ qcom,master-en = <1>; /* Enable GPIO */ status = "ok"; };gpio@c200 { /* GPIO3 -CAMERA SENSOR 2 VDIG*/ qcom,mode = <1>; /* Output */ qcom,pull = <5>; /* No Pull */ qcom,vin-sel = <0>; /* VIN1 GPIO_LV */ qcom,src-sel = <0>; /* GPIO */ qcom,invert = <0>; /* Invert */ qcom,master-en = <1>; /* Enable GPIO */ status = "ok"; };
};
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1.4 sdm660-pinctrl.dtsi
在前面 中，有需要用到的gpio，出于电源管理的需求，需要在 pinctrl 中配置其active 和 suspend 对应的配置：
例如，GPIO 32 和 GPIO 46 以及 GPIO 50
在前边代码中，使用配置如下：
gpio 50：
pinctrl-names = "cam_default", "cam_suspend";
pinctrl-0 = <&cam_actuator_vaf_active>;
pinctrl-1 = <&cam_actuator_vaf_suspend>;
GPIO 32 、GPIO 46：
pinctrl-names = “cam_default”, “cam_suspend”;
pinctrl-0 = <&cam_sensor_mclk0_active &cam_sensor_rear_active>;
pinctrl-1 = <&cam_sensor_mclk0_suspend &cam_sensor_rear_suspend>;
gpios = <&tlmm 32 0>, <&tlmm 46 0>;
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@ \kernel\msm-4.4\arch\arm\boot\dts\qcom\sdm660-pinctrl.dtsi
cam_actuator_vaf_active: cam_actuator_vaf_active {
/* ACTUATOR POWER */
mux {
pins = "gpio50";
function = "gpio";
};
config {
pins = "gpio50";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_actuator_vaf_suspend: cam_actuator_vaf_suspend {
/* ACTUATOR POWER */
mux {
pins = "gpio50";
function = "gpio";
};
config {
pins = "gpio50";
bias-pull-down; /* PULL DOWN */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk0_active: cam_sensor_mclk0_active {
/* MCLK0 */
mux {
/* CLK */
pins = "gpio32";
function = "cam_mclk";
};
config {
pins = "gpio32";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk0_suspend: cam_sensor_mclk0_suspend {
/* MCLK0 */
mux {
/* CLK */
pins = "gpio32";
function = "cam_mclk";
};
config {
pins = "gpio32";
bias-pull-down; /* PULL DOWN */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_rear_active: cam_sensor_rear_active {
/* RESET, STANDBY */
mux {
pins = "gpio46";
function = "gpio";
};
config {
pins = "gpio46";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_rear_suspend: cam_sensor_rear_suspend {
/* RESET, STANDBY */
mux {
pins = "gpio46";
function = "gpio";
};
config {
pins = "gpio46";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk1_active: cam_sensor_mclk1_active {
/* MCLK1 */
mux {
/* CLK */
pins = "gpio33";
function = "cam_mclk";
};
config {
pins = "gpio33";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk1_suspend: cam_sensor_mclk1_suspend {
/* MCLK1 */
mux {
/* CLK */
pins = "gpio33";
function = "cam_mclk";
};
config {
pins = "gpio33";
bias-pull-down; /* PULL DOWN */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_rear2_active: cam_sensor_rear2_active {
/* RESET, STANDBY */
mux {
pins = "gpio48";
function = "gpio";
};
config {
pins = "gpio48";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_rear2_suspend: cam_sensor_rear2_suspend {
/* RESET, STANDBY */
mux {
pins = "gpio48";
function = "gpio";
};
config {
pins = "gpio48";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk2_active: cam_sensor_mclk2_active {
/* MCLK1 */
mux {
/* CLK */
pins = "gpio34";
function = "cam_mclk";
};
config {
pins = "gpio34";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk2_suspend: cam_sensor_mclk2_suspend {
/* MCLK1 */
mux {
/* CLK */
pins = "gpio34";
function = "cam_mclk";
};
config {
pins = "gpio34";
bias-pull-down; /* PULL DOWN */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_front_active: cam_sensor_front_active {
/* RESET VANA*/
mux {
pins = "gpio47";
function = "gpio";
};
config {
pins = "gpio47";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_front_suspend: cam_sensor_front_suspend {
/* RESET */
mux {
pins = "gpio47";
function = "gpio";
};
config {
pins = "gpio47";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk3_active: cam_sensor_mclk3_active {
/* MCLK3 */
mux {
/* CLK */
pins = "gpio35";
function = "cam_mclk";
};
config {
pins = "gpio35";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_mclk3_suspend: cam_sensor_mclk3_suspend {
/* MCLK3 */
mux {
/* CLK */
pins = "gpio35";
function = "cam_mclk";
};
config {
pins = "gpio35";
bias-pull-down; /* PULL DOWN */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_front_iris_active: cam_sensor_front_iris_active {
/* RESET */
mux {
pins = "gpio52";
function = "gpio";
};
config {
pins = "gpio52";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
cam_sensor_front_iris_suspend: cam_sensor_front_iris_suspend {
/* RESET */
mux {
pins = "gpio52";
function = "gpio";
};
config {
pins = "gpio52";
bias-disable; /* No PULL */
drive-strength = <2>; /* 2 MA */
};
};
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至此，Camera 中 dts 相关的配置好上边这些就ok 了。
2. Kernel Driver 配置
现在比较新的高通代码中，Kernel 中只需要配置好DTS就可以了，驱动代码是以库代码的形式存放在vendor 目录中。
而kernel 中的camera 相关的 C 文件是高通默认的通用文件。
@ \kernel\msm-4.4\drivers\media\platform\msm\camera_v2
我们今天重点在移植，这一块的代码，后续我讲camera 工作流程的时候重点来学习。
二、Vendor 代码移植
目前高通中，vendor 中包括了，camera、马达、eeprom、Trunning 效果等库文件，这些是我们要根据需求移植进来的。
接下来我们慢慢写的来。
1. Camera Sensor 库文件代码移植
以 imx350 sensor 为例：
@ qcom\proprietary\common\config\device-vendor.mk
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\Android.mk
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\imx350_suny.xml
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\sdm660_camera.xml
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\libs\imx350\
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\
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1.1 导入Camera Sensor lib 库代码
将 sensor lib库代码放入如下目录：
@\vendor\qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\sensor\libs\imx350
注意Android.mk中
LOCAL_SRC_FILES:= imx350_lib.c
LOCAL_MODULE := libmmcamera_imx350
需要在 @\vendor\qcom\proprietary\common\config\device-vendor.mk中导入模块，添加修改如下：
MM_CAMERA += libmmcamera_imx350
2. 导入Camera Chromatix 默认效果参数
将默认的 Chromatix 效果参数放入如下目录
@\vendor\qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny
其中包括了，3A 及 ISP 的效果参数，后续Camera Turnning 工程师会代码效果后修以下面的参数。
由于上面每个分别会编译成多个库，所以我们要注意每个库的名字，我们进入每个文件夹的Android.mk 看下：
@ mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\3A
LOCAL_MODULE := libchromatix_imx350_sunny_default_preview_3a
LOCAL_MODULE := libchromatix_imx350_sunny_default_video_3a
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_120_3a
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_60_3a
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_90_3a
LOCAL_MODULE := libchromatix_imx350_sunny_zsl_preview_3a
LOCAL_MODULE := libchromatix_imx350_sunny_zsl_video_3a
@ mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\common
LOCAL_MODULE := libchromatix_imx350_sunny_common
@ mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\cpp
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_hfr_120
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_hfr_60
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_hfr_90
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_liveshot
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_preview
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_snapshot
LOCAL_MODULE := libchromatix_imx350_sunny_cpp_video
@ mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\isp
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_120
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_60
LOCAL_MODULE := libchromatix_imx350_sunny_hfr_90
LOCAL_MODULE := libchromatix_imx350_sunny_liveshot
LOCAL_MODULE := libchromatix_imx350_sunny_preview
LOCAL_MODULE := libchromatix_imx350_sunny_snapshot
LOCAL_MODULE := libchromatix_imx350_sunny_default_video
LOCAL_MODULE := libchromatix_imx350_sunny_postproc
LOCAL_MODULE := libchromatix_imx350_sunny_oz_preview_3a
LOCAL_MODULE := libchromatix_imx350_sunny_oz_video_3a
@ mm-camera2\media-controller\modules\sensors\chromatix\0310\chromatix_imx350_sunny\postproc
LOCAL_MODULE := libchromatix_imx350_sunny_postproc
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在 @\vendor\qcom\proprietary\common\config\device-vendor.mk中添加如下修改：
MM_CAMERA += libchromatix_imx350_sunny_default_preview_3a
MM_CAMERA += libchromatix_imx350_sunny_default_video_3a
MM_CAMERA += libchromatix_imx350_sunny_hfr_120_3a
MM_CAMERA += libchromatix_imx350_sunny_hfr_60_3a
MM_CAMERA += libchromatix_imx350_sunny_hfr_90_3a
MM_CAMERA += libchromatix_imx350_sunny_zsl_preview_3a
MM_CAMERA += libchromatix_imx350_sunny_zsl_video_3a
MM_CAMERA += libchromatix_imx350_sunny_common
MM_CAMERA += libchromatix_imx350_sunny_cpp_hfr_120
MM_CAMERA += libchromatix_imx350_sunny_cpp_hfr_60
MM_CAMERA += libchromatix_imx350_sunny_cpp_hfr_90
MM_CAMERA += libchromatix_imx350_sunny_cpp_liveshot
MM_CAMERA += libchromatix_imx350_sunny_cpp_preview
MM_CAMERA += libchromatix_imx350_sunny_cpp_snapshot
MM_CAMERA += libchromatix_imx350_sunny_cpp_video
MM_CAMERA += libchromatix_imx350_sunny_hfr_120
MM_CAMERA += libchromatix_imx350_sunny_hfr_60
MM_CAMERA += libchromatix_imx350_sunny_hfr_90
MM_CAMERA += libchromatix_imx350_sunny_liveshot
MM_CAMERA += libchromatix_imx350_sunny_preview
MM_CAMERA += libchromatix_imx350_sunny_snapshot
MM_CAMERA += libchromatix_imx350_sunny_default_video
MM_CAMERA += libchromatix_imx350_sunny_postproc
MM_CAMERA += libchromatix_imx350_sunny_oz_preview_3a
MM_CAMERA += libchromatix_imx350_sunny_oz_video_3a
MM_CAMERA += libchromatix_imx350_sunny_postproc
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2.1 chromatix version 0309 和 0310 定义
具体走哪个是由 CHROMATIX_VERSION来控制的，其定义于：
@\vendor\qcom\proprietary\mm-camera\Android.mk
ifeq ($(BUILD_SERVER), true)
CHROMATIX_VERSION := 0208
else ifeq ($(BUILD_MM_CAMERA2), true)
ifeq ($(OEM_CHROMATIX_0308), 1)
CHROMATIX_VERSION := 0308E
else ifeq ($(call is-board-platform-in-list,sdm660 msm8998),true)
CHROMATIX_VERSION := 0310
else
CHROMATIX_VERSION := 0309
endif
endif
ifeq ($(OEM_CHROMATIX_0310), 1)
OEM_CHROMATIX:=true
endif
ifeq ($(OEM_CHROMATIX), true)
LOCAL_CHROMATIX_PATH := < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ( < / s p a n > L O C A L P A T H < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ) < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > e x t < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a s d k < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > s e n s o r < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > i n c l u d e s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > (LOCAL_PATH)/../mm-camera-ext/mm-camerasdk/sensor/includes/ <spanclass="tokenpunctuation">(</span>LOCALPATH<spanclass="tokenpunctuation">)</span><spanclass="tokenoperator">/</span><spanclass="tokenpunctuation">.</span><spanclass="tokenpunctuation">.</span><spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camera<spanclass="tokenoperator">−</span>ext<spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camerasdk<spanclass="tokenoperator">/</span>sensor<spanclass="tokenoperator">/</span>includes<spanclass="tokenoperator">/</span>(CHROMATIX_VERSION)
LOCAL_EXTEN_ISP_INCLUDES := $(LOCAL_PATH)/../mm-camera-ext/mm-camera2/media-controller/modules/isp2/
LOCAL_EXTEN_PPROC_INCLUDES := $(LOCAL_PATH)/../mm-camera-ext/mm-camera2/media-controller/modules/pproc-new/cpp/
LOCAL_EXTEN_CHROMATIX_FILE_PATH := < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ( < / s p a n > L O C A L P A T H < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ) < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > e x t < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a 2 < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m e d i a < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c o n t r o l l e r < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m o d u l e s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > s e n s o r s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > c h r o m a t i x < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > (LOCAL_PATH)/../mm-camera-ext/mm-camera2/media-controller/modules/sensors/chromatix/ <spanclass="tokenpunctuation">(</span>LOCALPATH<spanclass="tokenpunctuation">)</span><spanclass="tokenoperator">/</span><spanclass="tokenpunctuation">.</span><spanclass="tokenpunctuation">.</span><spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camera<spanclass="tokenoperator">−</span>ext<spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camera2<spanclass="tokenoperator">/</span>media<spanclass="tokenoperator">−</span>controller<spanclass="tokenoperator">/</span>modules<spanclass="tokenoperator">/</span>sensors<spanclass="tokenoperator">/</span>chromatix<spanclass="tokenoperator">/</span>(CHROMATIX_VERSION)
else
LOCAL_CHROMATIX_PATH := < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ( < / s p a n > L O C A L P A T H < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ) < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > . < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a s d k < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > s e n s o r < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > i n c l u d e s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > (LOCAL_PATH)/../mm-camerasdk/sensor/includes/ <spanclass="tokenpunctuation">(</span>LOCALPATH<spanclass="tokenpunctuation">)</span><spanclass="tokenoperator">/</span><spanclass="tokenpunctuation">.</span><spanclass="tokenpunctuation">.</span><spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camerasdk<spanclass="tokenoperator">/</span>sensor<spanclass="tokenoperator">/</span>includes<spanclass="tokenoperator">/</span>(CHROMATIX_VERSION)
LOCAL_EXTEN_CHROMATIX_FILE_PATH := < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ( < / s p a n > L O C A L P A T H < s p a n c l a s s = " t o k e n p u n c t u a t i o n " > ) < / s p a n > < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m m < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c a m e r a 2 < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m e d i a < s p a n c l a s s = " t o k e n o p e r a t o r " > − < / s p a n > c o n t r o l l e r < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > m o d u l e s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > s e n s o r s < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > c h r o m a t i x < s p a n c l a s s = " t o k e n o p e r a t o r " > / < / s p a n > (LOCAL_PATH)/mm-camera2/media-controller/modules/sensors/chromatix/ <spanclass="tokenpunctuation">(</span>LOCALPATH<spanclass="tokenpunctuation">)</span><spanclass="tokenoperator">/</span>mm<spanclass="tokenoperator">−</span>camera2<spanclass="tokenoperator">/</span>media<spanclass="tokenoperator">−</span>controller<spanclass="tokenoperator">/</span>modules<spanclass="tokenoperator">/</span>sensors<spanclass="tokenoperator">/</span>chromatix<spanclass="tokenoperator">/</span>(CHROMATIX_VERSION)
endif
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3. 修改 Sensor Config XML
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\Android.mk
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\imx350_suny.xml
@ qcom\proprietary\mm-camera\mm-camera2\media-controller\modules\sensors\config\sdm660_camera.xml
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3.1 imx350_sunny.xml
@\mm-camera2\media-controller\modules\sensors\configs\imx350_sunny.xml
在该文件中，主要是描述了对应的 chromatix 模块名字，如下：
可以看出，和前面 chromatix 中的模块名字一模一样。