msm: camera: kernel driver for OIS (a7cf31ce) · Commits · e / devices / android_kernel_sony_msm8994

Documentation/devicetree/bindings/media/video/msm-cci.txt

+29 −0

Original line number	Diff line number	Diff line
		@@ -162,6 +162,8 @@ Optional properties:
		- qcom,vdd-cx-name : should contain names of cx regulator
		- qcom,eeprom-src : if eeprom memory is supported by this sensor, this
		property should contain phandle of respective eeprom nodes
		- qcom,ois-src : if optical image stabilization is supported by this sensor,
		this property should contain phandle of respective ois node

		* Qualcomm MSM ACTUATOR

		@@ -190,6 +192,33 @@ Optional properties:
		(in the same order).
		- cam_vaf-supply : should contain regulator from which AF voltage is supplied

		* Qualcomm MSM OIS

		Required properties:
		- cell-index : should contain unique identifier to differentiate
		between multiple ois drivers
		- reg : should contain i2c slave address of the ois and length of
		data field which is 0x0
		- compatible :
		- "qcom,ois"
		- qcom,cci-master : should contain i2c master id to be used for this camera
		sensor
		- 0 -> MASTER 0
		- 1 -> MASTER 1

		Optional properties:
		- qcom,cam-vreg-name : should contain names of all regulators needed by this
		ois
		- "cam_vaf"
		- qcom,cam-vreg-min-voltage : should contain minimum voltage level in mcrovolts
		for regulators mentioned in qcom,cam-vreg-name property (in the same order)
		- qcom,cam-vreg-max-voltage : should contain maximum voltage level in mcrovolts
		for regulators mentioned in qcom,cam-vreg-name property (in the same order)
		- qcom,cam-vreg-op-mode : should contain the maximum current in microamps
		required from the regulators mentioned in the qcom,cam-vreg-name property
		(in the same order).
		- cam_vaf-supply : should contain regulator from which ois voltage is supplied

		Example:

		qcom,cci@0xfda0c000 {

drivers/media/platform/msm/camera_v2/sensor/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -3,7 +3,7 @@ ccflags-y += -Idrivers/media/platform/msm/camera_v2/msm_vb2
		ccflags-y += -Idrivers/media/platform/msm/camera_v2/camera
		ccflags-y += -Idrivers/media/platform/msm/camera_v2/sensor/io
		ccflags-y += -Idrivers/media/platform/msm/camera_v2/sensor/cci
		obj-$(CONFIG_MSMB_CAMERA) += cci/ io/ csiphy/ csid/ actuator/ flash/ eeprom/
		obj-$(CONFIG_MSMB_CAMERA) += cci/ io/ csiphy/ csid/ actuator/ flash/ eeprom/ ois/
		obj-$(CONFIG_MSM_CAMERA_SENSOR) += msm_sensor_init.o msm_sensor_driver.o msm_sensor.o
		obj-$(CONFIG_IMX132) += imx132.o
		obj-$(CONFIG_IMX134) += imx134.o

drivers/media/platform/msm/camera_v2/sensor/io/msm_camera_dt_util.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -134,6 +134,22 @@ int msm_sensor_get_sub_module_index(struct device_node *of_node,
		src_node = NULL;
		}

		src_node = of_parse_phandle(of_node, "qcom,ois-src", 0);
		if (!src_node) {
		CDBG("%s:%d src_node NULL\n", __func__, __LINE__);
		} else {
		rc = of_property_read_u32(src_node, "cell-index", &val);
		CDBG("%s qcom,ois cell index %d, rc %d\n", __func__,
		val, rc);
		if (rc < 0) {
		pr_err("%s failed %d\n", __func__, __LINE__);
		goto ERROR;
		}
		sensor_info->subdev_id[SUB_MODULE_OIS] = val;
		of_node_put(src_node);
		src_node = NULL;
		}

		src_node = of_parse_phandle(of_node, "qcom,eeprom-src", 0);
		if (!src_node) {
		CDBG("%s:%d eeprom src_node NULL\n", __func__, __LINE__);

drivers/media/platform/msm/camera_v2/sensor/msm_sensor_driver.c

+46 −1

Original line number	Diff line number	Diff line
		@@ -267,6 +267,46 @@ static int32_t msm_sensor_fill_actuator_subdevid_by_name(
		return rc;
		}

		static int32_t msm_sensor_fill_ois_subdevid_by_name(
		struct msm_sensor_ctrl_t *s_ctrl)
		{
		int32_t rc = 0;
		struct device_node *src_node = NULL;
		uint32_t val = 0;
		int32_t *ois_subdev_id;
		struct msm_sensor_info_t *sensor_info;
		struct device_node *of_node = s_ctrl->of_node;

		if (!of_node)
		return -EINVAL;

		sensor_info = s_ctrl->sensordata->sensor_info;
		ois_subdev_id = &sensor_info->subdev_id[SUB_MODULE_OIS];
		/*
		* string for ois name is valid, set sudev id to -1
		* and try to found new id
		*/
		*ois_subdev_id = -1;

		src_node = of_parse_phandle(of_node, "qcom,ois-src", 0);
		if (!src_node) {
		CDBG("%s:%d src_node NULL\n", __func__, __LINE__);
		} else {
		rc = of_property_read_u32(src_node, "cell-index", &val);
		CDBG("%s qcom,ois cell index %d, rc %d\n", __func__,
		val, rc);
		if (rc < 0) {
		pr_err("%s failed %d\n", __func__, __LINE__);
		return -EINVAL;
		}
		*ois_subdev_id = val;
		of_node_put(src_node);
		src_node = NULL;
		}

		return rc;
		}

		static int32_t msm_sensor_fill_slave_info_init_params(
		struct msm_camera_sensor_slave_info *slave_info,
		struct msm_sensor_info_t *sensor_info)
		@@ -698,7 +738,6 @@ int32_t msm_sensor_driver_probe(void *setting)
		s_ctrl->sensordata->sensor_name = slave_info->sensor_name;
		s_ctrl->sensordata->eeprom_name = slave_info->eeprom_name;
		s_ctrl->sensordata->actuator_name = slave_info->actuator_name;

		/*
		* Update eeporm subdevice Id by input eeprom name
		*/
		@@ -716,6 +755,12 @@ int32_t msm_sensor_driver_probe(void *setting)
		goto FREE_CAMERA_INFO;
		}

		rc = msm_sensor_fill_ois_subdevid_by_name(s_ctrl);
		if (rc < 0) {
		pr_err("%s failed %d\n", __func__, __LINE__);
		goto FREE_CAMERA_INFO;
		}

		/* Power up and probe sensor */
		rc = s_ctrl->func_tbl->sensor_power_up(s_ctrl);
		if (rc < 0) {

drivers/media/platform/msm/camera_v2/sensor/ois/Makefile

0 → 100644

+4 −0

Original line number	Diff line number	Diff line
		ccflags-y += -Idrivers/media/platform/msm/camera_v2
		ccflags-y += -Idrivers/media/platform/msm/camera_v2/sensor/io
		ccflags-y += -Idrivers/media/platform/msm/camera_v2/sensor/cci
		obj-$(CONFIG_MSMB_CAMERA) += msm_ois.o