^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * motor driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2020 Rockchip Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) //#define DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/of_irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/wakelock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/hrtimer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/pwm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <media/v4l2-subdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/version.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/rk-camera-module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/rk_vcm_head.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define DRIVER_NAME "hall-dc"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define IRIS_MAX_LOG 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define IRIS_LOG_STEP 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define PWM_PERIOD_DEF 333333
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct motor_dev {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct v4l2_subdev sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct v4l2_ctrl_handler ctrl_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct pwm_device *pwm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct pwm_state pwm_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u32 module_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) const char *module_facing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int motor_dev_parse_dt(struct motor_dev *motor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct device_node *node = motor->dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) motor->pwm = devm_pwm_get(motor->dev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) if (IS_ERR(motor->pwm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) error = PTR_ERR(motor->pwm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (error != -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) dev_err(motor->dev, "Failed to request PWM device: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (motor->pwm && motor->pwm->args.period != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) motor->pwm_state.period = motor->pwm->args.period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) motor->pwm_state.polarity = motor->pwm->args.polarity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) motor->pwm_state.period = PWM_PERIOD_DEF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) motor->pwm_state.polarity = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) &motor->module_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) &motor->module_facing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) dev_err(motor->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) "could not get module information!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static int motor_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct motor_dev *motor = container_of(ctrl->handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct motor_dev, ctrl_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) case V4L2_CID_IRIS_ABSOLUTE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) motor->pwm_state.enabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) motor->pwm_state.duty_cycle =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) div64_u64((u64)motor->pwm_state.period * ctrl->val, IRIS_MAX_LOG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) pwm_apply_state(motor->pwm, &motor->pwm_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) dev_dbg(motor->dev, "iris, ctrl->val %d, pwm duty %lld, period %lld, polarity %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ctrl->val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) motor->pwm_state.duty_cycle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) motor->pwm_state.period,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) motor->pwm_state.polarity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) dev_err(motor->dev, "not support cmd %d\n", ctrl->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static long motor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static const struct v4l2_subdev_core_ops motor_core_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .ioctl = motor_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static const struct v4l2_subdev_ops motor_subdev_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .core = &motor_core_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static const struct v4l2_ctrl_ops motor_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .s_ctrl = motor_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int motor_initialize_controls(struct motor_dev *motor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct v4l2_ctrl_handler *handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) handler = &motor->ctrl_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) ret = v4l2_ctrl_handler_init(handler, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) handler->lock = &motor->mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) v4l2_ctrl_new_std(handler, &motor_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) V4L2_CID_IRIS_ABSOLUTE, 0, IRIS_MAX_LOG, IRIS_LOG_STEP, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (handler->error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = handler->error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) dev_err(motor->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) "Failed to init controls(%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) goto err_free_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) motor->sd.ctrl_handler = handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) err_free_handler:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) v4l2_ctrl_handler_free(handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static int motor_dev_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct motor_dev *motor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct v4l2_subdev *sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) char facing[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) dev_info(&pdev->dev, "driver version: %02x.%02x.%02x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) DRIVER_VERSION >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) (DRIVER_VERSION & 0xff00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) DRIVER_VERSION & 0x00ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) motor = devm_kzalloc(&pdev->dev, sizeof(*motor), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (!motor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) motor->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) dev_set_name(motor->dev, "motor");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) dev_set_drvdata(motor->dev, motor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (motor_dev_parse_dt(motor)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) dev_err(motor->dev, "parse dt error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) mutex_init(&motor->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) v4l2_subdev_init(&motor->sd, &motor_subdev_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) motor->sd.owner = pdev->dev.driver->owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) motor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) motor->sd.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) v4l2_set_subdevdata(&motor->sd, pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) platform_set_drvdata(pdev, &motor->sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) motor_initialize_controls(motor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) ret = media_entity_pads_init(&motor->sd.entity, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) sd = &motor->sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) sd->entity.function = MEDIA_ENT_F_LENS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) sd->entity.flags = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) memset(facing, 0, sizeof(facing));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (strcmp(motor->module_facing, "back") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) facing[0] = 'b';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) facing[0] = 'f';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) motor->module_index, facing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) DRIVER_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ret = v4l2_async_register_subdev(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) dev_err(&pdev->dev, "v4l2 async register subdev failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) dev_info(motor->dev, "gpio motor driver probe success\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) err_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) v4l2_ctrl_handler_free(&motor->ctrl_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) v4l2_device_unregister_subdev(&motor->sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) media_entity_cleanup(&motor->sd.entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int motor_dev_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) struct v4l2_subdev *sd = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct motor_dev *motor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (sd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) motor = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (sd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) v4l2_device_unregister_subdev(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) v4l2_ctrl_handler_free(&motor->ctrl_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) media_entity_cleanup(&motor->sd.entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) #if defined(CONFIG_OF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static const struct of_device_id motor_dev_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) { .compatible = "rockchip,hall-dc", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static struct platform_driver motor_dev_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) .name = DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .of_match_table = of_match_ptr(motor_dev_of_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .probe = motor_dev_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .remove = motor_dev_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) module_platform_driver(motor_dev_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) MODULE_ALIAS("platform:motor");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) MODULE_AUTHOR("ROCKCHIP");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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