1 /* Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
16 #include <linux/debugfs.h>
17 #include <linux/delay.h>
18 #include <linux/i2c.h>
19 #include <linux/miscdevice.h>
20 #include <linux/module.h>
21 #include <linux/platform_device.h>
22 #include <linux/slab.h>
23 #include <linux/clk.h>
24 #include <linux/types.h>
25 #include <linux/uaccess.h>
27 #include <linux/of_device.h>
28 #include <linux/of_gpio.h>
29 #include <linux/gpio.h>
30 #include <soc/qcom/ais.h>
31 #include <media/ais/msm_ais_sensor.h>
32 #include <media/v4l2-subdev.h>
33 #include <media/v4l2-ioctl.h>
34 #include "msm_camera_i2c.h"
35 #include "msm_camera_dt_util.h"
37 #include "msm_sensor_init.h"
39 #define DEFINE_MSM_MUTEX(mutexname) \
40 static struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
42 enum msm_sensor_sensor_slave_info_type {
43 MSM_SENSOR_SLAVEADDR_DATA,
44 MSM_SENSOR_IDREGADDR_DATA,
45 MSM_SENSOR_SENSOR_ID_DATA,
46 MSM_SENSOR_SENIDMASK_DATA,
47 MSM_SENSOR_NUM_ID_INFO_DATA,
50 struct msm_sensor_ctrl_t;
52 enum msm_sensor_state_t {
53 MSM_SENSOR_POWER_DOWN,
59 struct msm_sensor_fn_t {
60 int (*sensor_config)(struct msm_sensor_ctrl_t *, void __user *);
62 int (*sensor_config32)(struct msm_sensor_ctrl_t *, void __user *);
64 int (*sensor_power_down)(struct msm_sensor_ctrl_t *);
65 int (*sensor_power_up)(struct msm_sensor_ctrl_t *);
66 int (*sensor_match_id)(struct msm_sensor_ctrl_t *);
69 struct msm_sensor_ctrl_t {
70 struct platform_device *pdev;
71 struct mutex *msm_sensor_mutex;
73 enum msm_camera_device_type_t sensor_device_type;
74 struct msm_camera_sensor_board_info *sensordata;
75 struct msm_sensor_power_setting_array power_setting_array;
76 struct msm_sensor_packed_cfg_t *cfg_override;
77 struct msm_sd_subdev msm_sd;
78 enum cci_i2c_master_t cci_i2c_master;
80 struct msm_camera_i2c_client *sensor_i2c_client;
81 struct v4l2_subdev_info *sensor_v4l2_subdev_info;
82 uint8_t sensor_v4l2_subdev_info_size;
83 struct v4l2_subdev_ops *sensor_v4l2_subdev_ops;
84 struct msm_sensor_fn_t *func_tbl;
85 struct msm_camera_i2c_reg_setting stop_setting;
87 enum msm_sensor_state_t sensor_state;
88 uint8_t is_probe_succeed;
90 struct device_node *of_node;
91 enum msm_camera_stream_type_t camera_stream_type;
92 uint32_t set_mclk_23880000;
93 uint8_t is_csid_tg_mode;
96 struct gpio gpio_array[1];
97 /* device status and Flags */
99 struct msm_sensor_init_t s_init;
100 /* worker to handle interrupts */
101 struct delayed_work irq_delayed_work;
104 int msm_sensor_send_event(struct msm_sensor_ctrl_t *s_ctrl,
105 uint32_t event_type, struct msm_sensor_event_data *event_data);
107 int msm_sensor_config(struct msm_sensor_ctrl_t *s_ctrl, void *argp);
109 int msm_sensor_power_up(struct msm_sensor_ctrl_t *s_ctrl);
111 int msm_sensor_power_down(struct msm_sensor_ctrl_t *s_ctrl);
113 int msm_sensor_check_id(struct msm_sensor_ctrl_t *s_ctrl);
115 int msm_sensor_match_id(struct msm_sensor_ctrl_t *s_ctrl);
117 int msm_sensor_update_cfg(struct msm_sensor_ctrl_t *s_ctrl);
119 int msm_sensor_free_sensor_data(struct msm_sensor_ctrl_t *s_ctrl);
121 int32_t msm_sensor_init_default_params(struct msm_sensor_ctrl_t *s_ctrl);
123 int32_t msm_sensor_get_dt_gpio_req_tbl(struct device_node *of_node,
124 struct msm_camera_gpio_conf *gconf, uint16_t *gpio_array,
125 uint16_t gpio_array_size);
127 int32_t msm_sensor_get_dt_gpio_set_tbl(struct device_node *of_node,
128 struct msm_camera_gpio_conf *gconf, uint16_t *gpio_array,
129 uint16_t gpio_array_size);
131 int32_t msm_sensor_init_gpio_pin_tbl(struct device_node *of_node,
132 struct msm_camera_gpio_conf *gconf, uint16_t *gpio_array,
133 uint16_t gpio_array_size);
135 long msm_sensor_subdev_fops_ioctl(struct file *file,