1627 lines
32 KiB
C
1627 lines
32 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* gc2035 sensor driver
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*
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* Copyright (C) 2018 Fuzhou Rockchip Electronics Co., Ltd.
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* V0.0X01.0X01 add enum_frame_interval function.
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* V0.0X01.0X02 add quick stream on/off
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*/
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/gpio/consumer.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/kernel.h>
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#include <linux/media.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_graph.h>
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#include <linux/regulator/consumer.h>
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include <linux/videodev2.h>
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#include <linux/version.h>
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#include <linux/rk-camera-module.h>
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#include <media/media-entity.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-fwnode.h>
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#include <media/v4l2-image-sizes.h>
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#include <media/v4l2-mediabus.h>
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#include <media/v4l2-subdev.h>
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#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x2)
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#define DRIVER_NAME "gc2035"
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#define GC2035_PIXEL_RATE (70 * 1000 * 1000)
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/*
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* GC2035 register definitions
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*/
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#define REG_SC_CHIP_ID_H 0xf0
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#define REG_SC_CHIP_ID_L 0xf1
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#define GC2035_ID_H 0x20
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#define GC2035_ID_L 0x35
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#define REG_NULL 0xFFFF /* Array end token */
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struct sensor_register {
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u16 addr;
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u8 value;
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};
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struct gc2035_framesize {
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u16 width;
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u16 height;
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struct v4l2_fract max_fps;
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const struct sensor_register *regs;
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};
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struct gc2035_pll_ctrl {
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u8 ctrl1;
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u8 ctrl2;
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u8 ctrl3;
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};
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struct gc2035_pixfmt {
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u32 code;
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/* Output format Register Value (REG_FORMAT_CTRL00) */
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struct sensor_register *format_ctrl_regs;
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};
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struct pll_ctrl_reg {
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unsigned int div;
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unsigned char reg;
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};
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static const char * const gc2035_supply_names[] = {
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"dovdd", /* Digital I/O power */
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"avdd", /* Analog power */
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"dvdd", /* Digital core power */
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};
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#define GC2035_NUM_SUPPLIES ARRAY_SIZE(gc2035_supply_names)
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struct gc2035 {
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struct v4l2_subdev sd;
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struct media_pad pad;
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struct v4l2_mbus_framefmt format;
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unsigned int fps;
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unsigned int xvclk_frequency;
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struct clk *xvclk;
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struct gpio_desc *pwdn_gpio;
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struct regulator_bulk_data supplies[GC2035_NUM_SUPPLIES];
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struct mutex lock; /* Protects streaming, format, interval */
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struct i2c_client *client;
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struct v4l2_ctrl_handler ctrls;
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struct v4l2_ctrl *link_frequency;
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const struct gc2035_framesize *frame_size;
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int streaming;
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u32 module_index;
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const char *module_facing;
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const char *module_name;
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const char *len_name;
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};
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static const struct sensor_register gc2035_init_regs[] = {
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{0xfe, 0x80},
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{0xfe, 0x80},
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{0xfe, 0x80},
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{0xfc, 0x06},
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{0xf2, 0x00},
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{0xf3, 0x00},
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{0xf4, 0x00},
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{0xf5, 0x00},
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{0xf9, 0xfe},
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{0xfa, 0x00},
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{0xf6, 0x00},
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{0xf7, 0x15},
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{0xf8, 0x85},
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{0xfe, 0x00},
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{0x82, 0x00},
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{0xb3, 0x60},
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{0xb4, 0x40},
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{0xb5, 0x60},
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{0x03, 0x02},
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{0x04, 0x80},
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/* measure window */
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{0xfe, 0x00},
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{0xec, 0x06},
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{0xed, 0x06},
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{0xee, 0x62},
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{0xef, 0x92},
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/* analog */
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{0x0a, 0x00},
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{0x0c, 0x00},
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{0x0d, 0x04},
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{0x0e, 0xc0},
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{0x0f, 0x06},
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{0x10, 0x58},
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{0x17, 0x14},
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{0x18, 0x0e},
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{0x19, 0x0c},
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{0x18, 0x0a},
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{0x19, 0x0a},
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{0x1a, 0x01},
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{0x1b, 0x8b},
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{0x1e, 0x88},
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{0x1f, 0x08},
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{0x20, 0x05},
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{0x21, 0x0f},
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{0x22, 0xf0},
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{0x23, 0xc3},
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{0x24, 0x17},
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/* AEC */
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{0xfe, 0x01},
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{0x11, 0x20},
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{0x1f, 0xc0},
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{0x20, 0x60},
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{0x47, 0x30},
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{0x0b, 0x10},
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{0x13, 0x75},
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{0xfe, 0x00},
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{0x05, 0x01},
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{0x06, 0x11},
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{0x07, 0x00},
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{0x08, 0x50},
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{0xfe, 0x01},
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{0x27, 0x00},
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{0x28, 0xa0},
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{0x29, 0x05},
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{0x2a, 0x00},
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{0x2b, 0x05},
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{0x2c, 0x00},
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{0x2d, 0x06},
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{0x2e, 0xe0},
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{0x2f, 0x0a},
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{0x30, 0x00},
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{0x3e, 0x40},
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{0xfe, 0x00},
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{0xfe, 0x00},
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{0xb6, 0x03},
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{0xfe, 0x00},
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/* BLK */
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{0x3f, 0x00},
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{0x40, 0x77},
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{0x42, 0x7f},
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{0x43, 0x30},
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{0x5c, 0x08},
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{0x5e, 0x20},
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{0x5f, 0x20},
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{0x60, 0x20},
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{0x61, 0x20},
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{0x62, 0x20},
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{0x63, 0x20},
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{0x64, 0x20},
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{0x65, 0x20},
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/* block */
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{0x80, 0xff},
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{0x81, 0x26},
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{0x87, 0x90},
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{0x84, 0x00},
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{0x86, 0x07},
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{0x8b, 0xbc},
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{0xb0, 0x80},
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{0xc0, 0x40},
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/* lsc */
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{0xfe, 0x01},
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{0xc2, 0x38},
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{0xc3, 0x25},
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{0xc4, 0x21},
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{0xc8, 0x19},
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{0xc9, 0x12},
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{0xca, 0x0e},
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{0xbc, 0x43},
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{0xbd, 0x18},
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{0xbe, 0x1b},
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{0xb6, 0x40},
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{0xb7, 0x2e},
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{0xb8, 0x26},
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{0xc5, 0x05},
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{0xc6, 0x03},
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{0xc7, 0x04},
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{0xcb, 0x00},
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{0xcc, 0x00},
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{0xcd, 0x00},
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{0xbf, 0x14},
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{0xc0, 0x22},
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{0xc1, 0x1b},
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{0xb9, 0x00},
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{0xba, 0x05},
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{0xbb, 0x05},
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{0xaa, 0x35},
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{0xab, 0x33},
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{0xac, 0x33},
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{0xad, 0x25},
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{0xae, 0x22},
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{0xaf, 0x27},
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{0xb0, 0x1d},
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{0xb1, 0x20},
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{0xb2, 0x22},
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{0xb3, 0x14},
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{0xb4, 0x15},
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{0xb5, 0x16},
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{0xd0, 0x00},
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{0xd2, 0x07},
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{0xd3, 0x08},
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{0xd8, 0x00},
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{0xda, 0x13},
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{0xdb, 0x17},
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{0xdc, 0x00},
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{0xde, 0x0a},
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{0xdf, 0x08},
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{0xd4, 0x00},
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{0xd6, 0x00},
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{0xd7, 0x0c},
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{0xa4, 0x00},
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{0xa5, 0x00},
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{0xa6, 0x00},
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{0xa7, 0x00},
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{0xa8, 0x00},
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{0xa9, 0x00},
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{0xa1, 0x80},
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{0xa2, 0x80},
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/* cc */
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{0xfe, 0x02},
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{0xc0, 0x01},
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{0xc1, 0x40},
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{0xc2, 0xfc},
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{0xc3, 0x05},
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{0xc4, 0xec},
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{0xc5, 0x42},
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{0xc6, 0xf8},
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{0xc7, 0x40},
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{0xc8, 0xf8},
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{0xc9, 0x06},
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{0xca, 0xfd},
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{0xcb, 0x3e},
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{0xcc, 0xf3},
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{0xcd, 0x36},
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{0xce, 0xf6},
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{0xcf, 0x04},
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{0xe3, 0x0c},
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{0xe4, 0x44},
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{0xe5, 0xe5},
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{0xfe, 0x00},
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{0xfe, 0x01},
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{0x4f, 0x00},
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{0x4d, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x10},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x20},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x30},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x40},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x50},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x60},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x70},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
|
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{0x4e, 0x00},
|
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{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
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{0x4e, 0x00},
|
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{0x4e, 0x00},
|
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x80},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0x90},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4d, 0xa0},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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{0x4e, 0x00},
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|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4d, 0xb0},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4d, 0xc0},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4d, 0xd0},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x00},
|
|
{0x4f, 0x01},
|
|
{0xfe, 0x01},
|
|
{0x4f, 0x00},
|
|
{0x4d, 0x30},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x80},
|
|
{0x4e, 0x80},
|
|
{0x4e, 0x02},
|
|
{0x4e, 0x02},
|
|
{0x4d, 0x40},
|
|
{0x4e, 0x00},
|
|
{0x4e, 0x80},
|
|
{0x4e, 0x80},
|
|
{0x4e, 0x02},
|
|
{0x4e, 0x02},
|
|
{0x4e, 0x02},
|
|
{0x4d, 0x53},
|
|
{0x4e, 0x08},
|
|
{0x4e, 0x04},
|
|
{0x4d, 0x62},
|
|
{0x4e, 0x10},
|
|
{0x4d, 0x72},
|
|
{0x4e, 0x20},
|
|
{0x4f, 0x01},
|
|
/* awb */
|
|
{0xfe, 0x01},
|
|
{0x50, 0x88},
|
|
{0x52, 0x40},
|
|
{0x54, 0x60},
|
|
{0x56, 0x06},
|
|
{0x57, 0x20},
|
|
{0x58, 0x01},
|
|
{0x5b, 0x02},
|
|
{0x61, 0xaa},
|
|
{0x62, 0xaa},
|
|
{0x71, 0x00},
|
|
{0x74, 0x10},
|
|
{0x77, 0x08},
|
|
{0x78, 0xfd},
|
|
{0x86, 0x30},
|
|
{0x87, 0x00},
|
|
{0x88, 0x04},
|
|
{0x8a, 0xc0},
|
|
{0x89, 0x75},
|
|
{0x84, 0x08},
|
|
{0x8b, 0x00},
|
|
{0x8d, 0x70},
|
|
{0x8e, 0x70},
|
|
{0x8f, 0xf4},
|
|
{0xfe, 0x00},
|
|
{0x82, 0x02},
|
|
/* asde */
|
|
{0xfe, 0x01},
|
|
{0x21, 0xbf},
|
|
{0xfe, 0x02},
|
|
{0xa4, 0x00},
|
|
{0xa5, 0x40},
|
|
{0xa2, 0xa0},
|
|
{0xa6, 0x80},
|
|
{0xa7, 0x80},
|
|
{0xab, 0x31},
|
|
{0xa9, 0x6f},
|
|
{0xb0, 0x99},
|
|
{0xb1, 0x34},
|
|
{0xb3, 0x80},
|
|
{0xde, 0xb6},
|
|
{0x38, 0x0f},
|
|
{0x39, 0x60},
|
|
{0xfe, 0x00},
|
|
{0x81, 0x26},
|
|
{0xfe, 0x02},
|
|
{0x83, 0x00},
|
|
{0x84, 0x45},
|
|
/* YCP */
|
|
{0xd1, 0x38},
|
|
{0xd2, 0x38},
|
|
{0xd3, 0x40},
|
|
{0xd4, 0x80},
|
|
{0xd5, 0x00},
|
|
{0xdc, 0x30},
|
|
{0xdd, 0xb8},
|
|
{0xfe, 0x00},
|
|
/* dndd */
|
|
{0xfe, 0x02},
|
|
{0x88, 0x15},
|
|
{0x8c, 0xf6},
|
|
{0x89, 0x03},
|
|
/* EE */
|
|
{0xfe, 0x02},
|
|
{0x90, 0x6c},
|
|
{0x97, 0x45},
|
|
/* RGB Gamma */
|
|
{0xfe, 0x02},
|
|
{0x15, 0x0a},
|
|
{0x16, 0x12},
|
|
{0x17, 0x19},
|
|
{0x18, 0x1f},
|
|
{0x19, 0x2c},
|
|
{0x1a, 0x38},
|
|
{0x1b, 0x42},
|
|
{0x1c, 0x4e},
|
|
{0x1d, 0x63},
|
|
{0x1e, 0x76},
|
|
{0x1f, 0x87},
|
|
{0x20, 0x96},
|
|
{0x21, 0xa2},
|
|
{0x22, 0xb8},
|
|
{0x23, 0xca},
|
|
{0x24, 0xd8},
|
|
{0x25, 0xe3},
|
|
{0x26, 0xf0},
|
|
{0x27, 0xf8},
|
|
{0x28, 0xfd},
|
|
{0x29, 0xff},
|
|
/* y gamma */
|
|
{0xfe, 0x02},
|
|
{0x2b, 0x00},
|
|
{0x2c, 0x04},
|
|
{0x2d, 0x09},
|
|
{0x2e, 0x18},
|
|
{0x2f, 0x27},
|
|
{0x30, 0x37},
|
|
{0x31, 0x49},
|
|
{0x32, 0x5c},
|
|
{0x33, 0x7e},
|
|
{0x34, 0xa0},
|
|
{0x35, 0xc0},
|
|
{0x36, 0xe0},
|
|
{0x37, 0xff},
|
|
{0xfe, 0x00},
|
|
{0x90, 0x01},
|
|
{0x95, 0x04},
|
|
{0x96, 0xb0},
|
|
{0x97, 0x06},
|
|
{0x98, 0x40},
|
|
{0xfe, 0x03},
|
|
{0x42, 0x40},
|
|
{0x43, 0x06},
|
|
{0x41, 0x02},
|
|
{0x40, 0x40},
|
|
{0x17, 0x00},
|
|
{0xfe, 0x00},
|
|
/* DVP */
|
|
{0xfe, 0x00},
|
|
{0xb6, 0x03},
|
|
{0xf7, 0x15},
|
|
{0xc8, 0x00},
|
|
{0x99, 0x22},
|
|
{0x9a, 0x06},
|
|
{0x9b, 0x00},
|
|
{0x9c, 0x00},
|
|
{0x9d, 0x00},
|
|
{0x9e, 0x00},
|
|
{0x9f, 0x00},
|
|
{0xa0, 0x00},
|
|
{0xa1, 0x00},
|
|
{0xa2, 0x00},
|
|
{0x90, 0x01},
|
|
{0x94, 0x02},
|
|
{0x95, 0x02},
|
|
{0x96, 0x58},
|
|
{0x97, 0x03},
|
|
{0x98, 0x20},
|
|
{0xfe, 0x00},
|
|
{0x82, 0xfe},
|
|
{REG_NULL, 0x00},
|
|
};
|
|
|
|
static const struct sensor_register gc2035_svga_regs[] = {
|
|
{0xfe, 0x00},
|
|
{0xb6, 0x03},
|
|
{0xf7, 0x15},
|
|
{0xc8, 0x00},
|
|
{0x99, 0x22},
|
|
{0x9a, 0x06},
|
|
{0x9b, 0x00},
|
|
{0x9c, 0x00},
|
|
{0x9d, 0x00},
|
|
{0x9e, 0x00},
|
|
{0x9f, 0x00},
|
|
{0xa0, 0x00},
|
|
{0xa1, 0x00},
|
|
{0xa2, 0x00},
|
|
{0x90, 0x01},
|
|
{0x94, 0x02},
|
|
{0x95, 0x02},
|
|
{0x96, 0x58},
|
|
{0x97, 0x03},
|
|
{0x98, 0x20},
|
|
{REG_NULL, 0x00},
|
|
};
|
|
|
|
static const struct sensor_register gc2035_full_regs[] = {
|
|
{0xfe, 0x00},
|
|
{0xc8, 0x00},
|
|
{0xf7, 0x17},
|
|
{0x99, 0x11},
|
|
{0x9a, 0x06},
|
|
{0x9b, 0x00},
|
|
{0x9c, 0x00},
|
|
{0x9d, 0x00},
|
|
{0x9e, 0x00},
|
|
{0x9f, 0x00},
|
|
{0xa0, 0x00},
|
|
{0xa1, 0x00},
|
|
{0xa2, 0x00},
|
|
{0x90, 0x01},
|
|
{0x95, 0x04},
|
|
{0x96, 0xb0},
|
|
{0x97, 0x06},
|
|
{0x98, 0x40},
|
|
{REG_NULL, 0x00},
|
|
};
|
|
|
|
static const struct gc2035_framesize gc2035_framesizes[] = {
|
|
{
|
|
.width = 800,
|
|
.height = 600,
|
|
.max_fps = {
|
|
.numerator = 10000,
|
|
.denominator = 120000,
|
|
},
|
|
.regs = gc2035_svga_regs,
|
|
},
|
|
{
|
|
.width = 1600,
|
|
.height = 1200,
|
|
.max_fps = {
|
|
.numerator = 10000,
|
|
.denominator = 60000,
|
|
},
|
|
.regs = gc2035_full_regs,
|
|
}
|
|
};
|
|
|
|
static const struct gc2035_pixfmt gc2035_formats[] = {
|
|
{
|
|
.code = MEDIA_BUS_FMT_UYVY8_2X8,
|
|
}
|
|
};
|
|
|
|
static inline struct gc2035 *to_gc2035(struct v4l2_subdev *sd)
|
|
{
|
|
return container_of(sd, struct gc2035, sd);
|
|
}
|
|
|
|
/* sensor register write */
|
|
static int gc2035_write(struct i2c_client *client, u8 reg, u8 val)
|
|
{
|
|
struct i2c_msg msg;
|
|
u8 buf[2];
|
|
int ret;
|
|
|
|
buf[0] = reg & 0xFF;
|
|
buf[1] = val;
|
|
|
|
msg.addr = client->addr;
|
|
msg.flags = client->flags;
|
|
msg.buf = buf;
|
|
msg.len = sizeof(buf);
|
|
|
|
ret = i2c_transfer(client->adapter, &msg, 1);
|
|
if (ret >= 0)
|
|
return 0;
|
|
|
|
dev_err(&client->dev,
|
|
"gc2035 write reg(0x%x val:0x%x) failed !\n", reg, val);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* sensor register read */
|
|
static int gc2035_read(struct i2c_client *client, u8 reg, u8 *val)
|
|
{
|
|
struct i2c_msg msg[2];
|
|
u8 buf[1];
|
|
int ret;
|
|
|
|
buf[0] = reg & 0xFF;
|
|
|
|
msg[0].addr = client->addr;
|
|
msg[0].flags = client->flags;
|
|
msg[0].buf = buf;
|
|
msg[0].len = sizeof(buf);
|
|
|
|
msg[1].addr = client->addr;
|
|
msg[1].flags = client->flags | I2C_M_RD;
|
|
msg[1].buf = buf;
|
|
msg[1].len = 1;
|
|
|
|
ret = i2c_transfer(client->adapter, msg, 2);
|
|
if (ret >= 0) {
|
|
*val = buf[0];
|
|
return 0;
|
|
}
|
|
|
|
dev_err(&client->dev,
|
|
"gc2035 read reg:0x%x failed!\n", reg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int gc2035_write_array(struct i2c_client *client,
|
|
const struct sensor_register *regs)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
i = 0;
|
|
while (regs[i].addr != REG_NULL) {
|
|
ret = gc2035_write(client, regs[i].addr, regs[i].value);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s failed !\n", __func__);
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void gc2035_get_default_format(struct v4l2_mbus_framefmt *format)
|
|
{
|
|
format->width = gc2035_framesizes[0].width;
|
|
format->height = gc2035_framesizes[0].height;
|
|
format->colorspace = V4L2_COLORSPACE_SRGB;
|
|
format->code = gc2035_formats[0].code;
|
|
format->field = V4L2_FIELD_NONE;
|
|
}
|
|
|
|
static void gc2035_set_streaming(struct gc2035 *gc2035, int on)
|
|
{
|
|
struct i2c_client *client = gc2035->client;
|
|
int ret;
|
|
|
|
dev_dbg(&client->dev, "%s: on: %d\n", __func__, on);
|
|
|
|
ret = gc2035_write(client, 0xfe, 0x00);
|
|
if (!on) {
|
|
ret |= gc2035_write(client, 0xf2, 0x00);
|
|
ret |= gc2035_write(client, 0xf3, 0x00);
|
|
ret |= gc2035_write(client, 0xf5, 0x00);
|
|
} else {
|
|
ret |= gc2035_write(client, 0xf2, 0x70);
|
|
ret |= gc2035_write(client, 0xf3, 0xff);
|
|
ret |= gc2035_write(client, 0xf4, 0x00);
|
|
ret |= gc2035_write(client, 0xf5, 0x30);
|
|
}
|
|
if (ret)
|
|
dev_err(&client->dev, "gc2035 soft standby failed\n");
|
|
}
|
|
|
|
/*
|
|
* V4L2 subdev video and pad level operations
|
|
*/
|
|
|
|
static int gc2035_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
if (code->index >= ARRAY_SIZE(gc2035_formats))
|
|
return -EINVAL;
|
|
|
|
code->code = gc2035_formats[code->index].code;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc2035_enum_frame_sizes(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int i = ARRAY_SIZE(gc2035_formats);
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
if (fse->index >= ARRAY_SIZE(gc2035_framesizes))
|
|
return -EINVAL;
|
|
|
|
while (--i)
|
|
if (fse->code == gc2035_formats[i].code)
|
|
break;
|
|
|
|
fse->code = gc2035_formats[i].code;
|
|
|
|
fse->min_width = gc2035_framesizes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->max_height = gc2035_framesizes[fse->index].height;
|
|
fse->min_height = fse->max_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc2035_get_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
|
|
dev_dbg(&client->dev, "%s enter\n", __func__);
|
|
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
struct v4l2_mbus_framefmt *mf;
|
|
|
|
mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
|
|
mutex_lock(&gc2035->lock);
|
|
fmt->format = *mf;
|
|
mutex_unlock(&gc2035->lock);
|
|
return 0;
|
|
#else
|
|
return -ENOTTY;
|
|
#endif
|
|
}
|
|
|
|
mutex_lock(&gc2035->lock);
|
|
fmt->format = gc2035->format;
|
|
mutex_unlock(&gc2035->lock);
|
|
|
|
dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__,
|
|
gc2035->format.code, gc2035->format.width,
|
|
gc2035->format.height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __gc2035_try_frame_size_fps(struct v4l2_mbus_framefmt *mf,
|
|
const struct gc2035_framesize **size,
|
|
unsigned int fps)
|
|
{
|
|
const struct gc2035_framesize *fsize = &gc2035_framesizes[0];
|
|
const struct gc2035_framesize *match = NULL;
|
|
unsigned int i = ARRAY_SIZE(gc2035_framesizes);
|
|
unsigned int min_err = UINT_MAX;
|
|
|
|
while (i--) {
|
|
unsigned int err = abs(fsize->width - mf->width)
|
|
+ abs(fsize->height - mf->height);
|
|
if (err < min_err && fsize->regs[0].addr) {
|
|
min_err = err;
|
|
match = fsize;
|
|
}
|
|
fsize++;
|
|
}
|
|
|
|
if (!match) {
|
|
match = &gc2035_framesizes[0];
|
|
} else {
|
|
fsize = &gc2035_framesizes[0];
|
|
for (i = 0; i < ARRAY_SIZE(gc2035_framesizes); i++) {
|
|
if (fsize->width == match->width &&
|
|
fsize->height == match->height &&
|
|
fps >= DIV_ROUND_CLOSEST(fsize->max_fps.denominator,
|
|
fsize->max_fps.numerator))
|
|
match = fsize;
|
|
|
|
fsize++;
|
|
}
|
|
}
|
|
|
|
mf->width = match->width;
|
|
mf->height = match->height;
|
|
|
|
if (size)
|
|
*size = match;
|
|
}
|
|
|
|
static int gc2035_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int index = ARRAY_SIZE(gc2035_formats);
|
|
struct v4l2_mbus_framefmt *mf = &fmt->format;
|
|
const struct gc2035_framesize *size = NULL;
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "%s enter\n", __func__);
|
|
|
|
__gc2035_try_frame_size_fps(mf, &size, gc2035->fps);
|
|
|
|
while (--index >= 0)
|
|
if (gc2035_formats[index].code == mf->code)
|
|
break;
|
|
|
|
if (index < 0)
|
|
return -EINVAL;
|
|
|
|
mf->colorspace = V4L2_COLORSPACE_SRGB;
|
|
mf->code = gc2035_formats[index].code;
|
|
mf->field = V4L2_FIELD_NONE;
|
|
|
|
mutex_lock(&gc2035->lock);
|
|
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
|
|
*mf = fmt->format;
|
|
#else
|
|
return -ENOTTY;
|
|
#endif
|
|
} else {
|
|
if (gc2035->streaming) {
|
|
mutex_unlock(&gc2035->lock);
|
|
return -EBUSY;
|
|
}
|
|
|
|
gc2035->frame_size = size;
|
|
gc2035->format = fmt->format;
|
|
}
|
|
|
|
mutex_unlock(&gc2035->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int gc2035_s_stream(struct v4l2_subdev *sd, int on)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "%s: on: %d\n", __func__, on);
|
|
|
|
mutex_lock(&gc2035->lock);
|
|
|
|
on = !!on;
|
|
|
|
if (gc2035->streaming == on)
|
|
goto unlock;
|
|
|
|
if (!on) {
|
|
/* Stop Streaming Sequence */
|
|
gc2035_set_streaming(gc2035, on);
|
|
gc2035->streaming = on;
|
|
if (!IS_ERR(gc2035->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 1);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
goto unlock;
|
|
}
|
|
|
|
if (!IS_ERR(gc2035->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 0);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
ret = gc2035_write_array(client, gc2035_init_regs);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
ret = gc2035_write_array(client, gc2035->frame_size->regs);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
gc2035_set_streaming(gc2035, on);
|
|
gc2035->streaming = on;
|
|
|
|
unlock:
|
|
mutex_unlock(&gc2035->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int gc2035_set_test_pattern(struct gc2035 *gc2035, int value)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int gc2035_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gc2035 *gc2035 =
|
|
container_of(ctrl->handler, struct gc2035, ctrls);
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_TEST_PATTERN:
|
|
return gc2035_set_test_pattern(gc2035, ctrl->val);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops gc2035_ctrl_ops = {
|
|
.s_ctrl = gc2035_s_ctrl,
|
|
};
|
|
|
|
static const char * const gc2035_test_pattern_menu[] = {
|
|
"Disabled",
|
|
"Vertical Color Bars",
|
|
};
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* V4L2 subdev internal operations
|
|
*/
|
|
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
static int gc2035_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct v4l2_mbus_framefmt *format =
|
|
v4l2_subdev_get_try_format(sd, fh->state, 0);
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
gc2035_get_default_format(format);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int gc2035_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
|
|
struct v4l2_mbus_config *config)
|
|
{
|
|
config->type = V4L2_MBUS_PARALLEL;
|
|
config->bus.parallel.flags = V4L2_MBUS_HSYNC_ACTIVE_HIGH |
|
|
V4L2_MBUS_VSYNC_ACTIVE_HIGH |
|
|
V4L2_MBUS_PCLK_SAMPLE_RISING;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc2035_g_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *fi)
|
|
{
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
|
|
fi->interval = gc2035->frame_size->max_fps;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc2035_s_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *fi)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
const struct gc2035_framesize *size = NULL;
|
|
struct v4l2_mbus_framefmt mf;
|
|
unsigned int fps;
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "Setting %d/%d frame interval\n",
|
|
fi->interval.numerator, fi->interval.denominator);
|
|
|
|
mutex_lock(&gc2035->lock);
|
|
fps = DIV_ROUND_CLOSEST(fi->interval.denominator,
|
|
fi->interval.numerator);
|
|
mf = gc2035->format;
|
|
__gc2035_try_frame_size_fps(&mf, &size, fps);
|
|
if (gc2035->frame_size != size) {
|
|
ret = gc2035_write_array(client, size->regs);
|
|
if (ret)
|
|
goto unlock;
|
|
gc2035->frame_size = size;
|
|
gc2035->fps = fps;
|
|
}
|
|
unlock:
|
|
mutex_unlock(&gc2035->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void gc2035_get_module_inf(struct gc2035 *gc2035,
|
|
struct rkmodule_inf *inf)
|
|
{
|
|
memset(inf, 0, sizeof(*inf));
|
|
strlcpy(inf->base.sensor, DRIVER_NAME, sizeof(inf->base.sensor));
|
|
strlcpy(inf->base.module, gc2035->module_name,
|
|
sizeof(inf->base.module));
|
|
strlcpy(inf->base.lens, gc2035->len_name, sizeof(inf->base.lens));
|
|
}
|
|
|
|
static long gc2035_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
|
{
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
long ret = 0;
|
|
u32 stream = 0;
|
|
|
|
switch (cmd) {
|
|
case RKMODULE_GET_MODULE_INFO:
|
|
gc2035_get_module_inf(gc2035, (struct rkmodule_inf *)arg);
|
|
break;
|
|
case RKMODULE_SET_QUICK_STREAM:
|
|
|
|
stream = *((u32 *)arg);
|
|
|
|
gc2035_set_streaming(gc2035, !!stream);
|
|
break;
|
|
default:
|
|
ret = -ENOIOCTLCMD;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#ifdef CONFIG_COMPAT
|
|
static long gc2035_compat_ioctl32(struct v4l2_subdev *sd,
|
|
unsigned int cmd, unsigned long arg)
|
|
{
|
|
void __user *up = compat_ptr(arg);
|
|
struct rkmodule_inf *inf;
|
|
struct rkmodule_awb_cfg *cfg;
|
|
long ret;
|
|
u32 stream = 0;
|
|
|
|
switch (cmd) {
|
|
case RKMODULE_GET_MODULE_INFO:
|
|
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
|
|
if (!inf) {
|
|
ret = -ENOMEM;
|
|
return ret;
|
|
}
|
|
|
|
ret = gc2035_ioctl(sd, cmd, inf);
|
|
if (!ret)
|
|
ret = copy_to_user(up, inf, sizeof(*inf));
|
|
kfree(inf);
|
|
break;
|
|
case RKMODULE_AWB_CFG:
|
|
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
|
|
if (!cfg) {
|
|
ret = -ENOMEM;
|
|
return ret;
|
|
}
|
|
|
|
ret = copy_from_user(cfg, up, sizeof(*cfg));
|
|
if (!ret)
|
|
ret = gc2035_ioctl(sd, cmd, cfg);
|
|
kfree(cfg);
|
|
break;
|
|
case RKMODULE_SET_QUICK_STREAM:
|
|
ret = copy_from_user(&stream, up, sizeof(u32));
|
|
if (!ret)
|
|
ret = gc2035_ioctl(sd, cmd, &stream);
|
|
break;
|
|
default:
|
|
ret = -ENOIOCTLCMD;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int gc2035_enum_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_frame_interval_enum *fie)
|
|
{
|
|
if (fie->index >= ARRAY_SIZE(gc2035_framesizes))
|
|
return -EINVAL;
|
|
|
|
fie->code = MEDIA_BUS_FMT_UYVY8_2X8;
|
|
fie->width = gc2035_framesizes[fie->index].width;
|
|
fie->height = gc2035_framesizes[fie->index].height;
|
|
fie->interval = gc2035_framesizes[fie->index].max_fps;
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_core_ops gc2035_subdev_core_ops = {
|
|
.log_status = v4l2_ctrl_subdev_log_status,
|
|
.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
|
|
.unsubscribe_event = v4l2_event_subdev_unsubscribe,
|
|
.ioctl = gc2035_ioctl,
|
|
#ifdef CONFIG_COMPAT
|
|
.compat_ioctl32 = gc2035_compat_ioctl32,
|
|
#endif
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops gc2035_subdev_video_ops = {
|
|
.s_stream = gc2035_s_stream,
|
|
.g_frame_interval = gc2035_g_frame_interval,
|
|
.s_frame_interval = gc2035_s_frame_interval,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops gc2035_subdev_pad_ops = {
|
|
.enum_mbus_code = gc2035_enum_mbus_code,
|
|
.enum_frame_size = gc2035_enum_frame_sizes,
|
|
.enum_frame_interval = gc2035_enum_frame_interval,
|
|
.get_fmt = gc2035_get_fmt,
|
|
.set_fmt = gc2035_set_fmt,
|
|
.get_mbus_config = gc2035_g_mbus_config,
|
|
};
|
|
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
static const struct v4l2_subdev_ops gc2035_subdev_ops = {
|
|
.core = &gc2035_subdev_core_ops,
|
|
.video = &gc2035_subdev_video_ops,
|
|
.pad = &gc2035_subdev_pad_ops,
|
|
};
|
|
|
|
static const struct v4l2_subdev_internal_ops gc2035_subdev_internal_ops = {
|
|
.open = gc2035_open,
|
|
};
|
|
#endif
|
|
|
|
static int gc2035_detect(struct gc2035 *gc2035)
|
|
{
|
|
struct i2c_client *client = gc2035->client;
|
|
u8 pidh = 0, pidl = 0;
|
|
int ret;
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
/* Check sensor revision */
|
|
ret = gc2035_read(client, REG_SC_CHIP_ID_H, &pidh);
|
|
ret |= gc2035_read(client, REG_SC_CHIP_ID_L, &pidl);
|
|
if (!ret) {
|
|
if (pidh == GC2035_ID_H &&
|
|
pidl == GC2035_ID_L) {
|
|
dev_info(&client->dev,
|
|
"Found GC%02X%02X sensor\n",
|
|
pidh, pidl);
|
|
if (!IS_ERR(gc2035->pwdn_gpio))
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 1);
|
|
} else {
|
|
ret = -1;
|
|
dev_err(&client->dev,
|
|
"Sensor detection failed (%02x%02x, %d)\n",
|
|
pidh, pidl, ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __gc2035_power_on(struct gc2035 *gc2035)
|
|
{
|
|
int ret;
|
|
struct device *dev = &gc2035->client->dev;
|
|
|
|
if (!IS_ERR(gc2035->xvclk)) {
|
|
ret = clk_set_rate(gc2035->xvclk, 24000000);
|
|
if (ret < 0)
|
|
dev_err(dev, "Failed to set xvclk rate (24MHz)\n");
|
|
}
|
|
|
|
if (!IS_ERR(gc2035->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 1);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc2035->supplies)) {
|
|
ret = regulator_bulk_enable(GC2035_NUM_SUPPLIES,
|
|
gc2035->supplies);
|
|
if (ret < 0)
|
|
dev_err(dev, "Failed to enable regulators\n");
|
|
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc2035->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 0);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc2035->xvclk)) {
|
|
ret = clk_prepare_enable(gc2035->xvclk);
|
|
if (ret < 0)
|
|
dev_err(dev, "Failed to enable xvclk\n");
|
|
}
|
|
|
|
usleep_range(7000, 10000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __gc2035_power_off(struct gc2035 *gc2035)
|
|
{
|
|
if (!IS_ERR(gc2035->xvclk))
|
|
clk_disable_unprepare(gc2035->xvclk);
|
|
if (!IS_ERR(gc2035->supplies))
|
|
regulator_bulk_disable(GC2035_NUM_SUPPLIES, gc2035->supplies);
|
|
if (!IS_ERR(gc2035->pwdn_gpio))
|
|
gpiod_set_value_cansleep(gc2035->pwdn_gpio, 1);
|
|
}
|
|
|
|
static int gc2035_configure_regulators(struct gc2035 *gc2035)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < GC2035_NUM_SUPPLIES; i++)
|
|
gc2035->supplies[i].supply = gc2035_supply_names[i];
|
|
|
|
return devm_regulator_bulk_get(&gc2035->client->dev,
|
|
GC2035_NUM_SUPPLIES,
|
|
gc2035->supplies);
|
|
}
|
|
|
|
static int gc2035_parse_of(struct gc2035 *gc2035)
|
|
{
|
|
struct device *dev = &gc2035->client->dev;
|
|
int ret;
|
|
|
|
gc2035->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
|
|
if (IS_ERR(gc2035->pwdn_gpio))
|
|
dev_warn(dev, "Failed to get pwdn-gpios, maybe no used\n");
|
|
|
|
ret = gc2035_configure_regulators(gc2035);
|
|
if (ret)
|
|
dev_warn(dev, "Failed to get power regulators\n");
|
|
|
|
return __gc2035_power_on(gc2035);
|
|
}
|
|
|
|
static int gc2035_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct device *dev = &client->dev;
|
|
struct device_node *node = dev->of_node;
|
|
struct v4l2_subdev *sd;
|
|
struct gc2035 *gc2035;
|
|
char facing[2];
|
|
int ret;
|
|
|
|
dev_info(dev, "driver version: %02x.%02x.%02x",
|
|
DRIVER_VERSION >> 16,
|
|
(DRIVER_VERSION & 0xff00) >> 8,
|
|
DRIVER_VERSION & 0x00ff);
|
|
|
|
gc2035 = devm_kzalloc(&client->dev, sizeof(*gc2035), GFP_KERNEL);
|
|
if (!gc2035)
|
|
return -ENOMEM;
|
|
|
|
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
|
|
&gc2035->module_index);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
|
|
&gc2035->module_facing);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
|
|
&gc2035->module_name);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
|
|
&gc2035->len_name);
|
|
if (ret) {
|
|
dev_err(dev, "could not get module information!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
gc2035->client = client;
|
|
gc2035->xvclk = devm_clk_get(&client->dev, "xvclk");
|
|
if (IS_ERR(gc2035->xvclk)) {
|
|
dev_err(&client->dev, "Failed to get xvclk\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
gc2035_parse_of(gc2035);
|
|
|
|
gc2035->xvclk_frequency = clk_get_rate(gc2035->xvclk);
|
|
if (gc2035->xvclk_frequency < 6000000 ||
|
|
gc2035->xvclk_frequency > 27000000)
|
|
return -EINVAL;
|
|
|
|
v4l2_ctrl_handler_init(&gc2035->ctrls, 2);
|
|
gc2035->link_frequency =
|
|
v4l2_ctrl_new_std(&gc2035->ctrls, &gc2035_ctrl_ops,
|
|
V4L2_CID_PIXEL_RATE, 0,
|
|
GC2035_PIXEL_RATE, 1,
|
|
GC2035_PIXEL_RATE);
|
|
|
|
v4l2_ctrl_new_std_menu_items(&gc2035->ctrls, &gc2035_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(gc2035_test_pattern_menu) - 1,
|
|
0, 0, gc2035_test_pattern_menu);
|
|
gc2035->sd.ctrl_handler = &gc2035->ctrls;
|
|
|
|
if (gc2035->ctrls.error) {
|
|
dev_err(&client->dev, "%s: control initialization error %d\n",
|
|
__func__, gc2035->ctrls.error);
|
|
return gc2035->ctrls.error;
|
|
}
|
|
|
|
sd = &gc2035->sd;
|
|
client->flags |= I2C_CLIENT_SCCB;
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
v4l2_i2c_subdev_init(sd, client, &gc2035_subdev_ops);
|
|
|
|
sd->internal_ops = &gc2035_subdev_internal_ops;
|
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
|
|
V4L2_SUBDEV_FL_HAS_EVENTS;
|
|
#endif
|
|
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
gc2035->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ret = media_entity_pads_init(&sd->entity, 1, &gc2035->pad);
|
|
if (ret < 0) {
|
|
v4l2_ctrl_handler_free(&gc2035->ctrls);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
mutex_init(&gc2035->lock);
|
|
|
|
gc2035_get_default_format(&gc2035->format);
|
|
gc2035->frame_size = &gc2035_framesizes[0];
|
|
gc2035->format.width = gc2035_framesizes[0].width;
|
|
gc2035->format.height = gc2035_framesizes[0].height;
|
|
gc2035->fps = DIV_ROUND_CLOSEST(gc2035_framesizes[0].max_fps.denominator,
|
|
gc2035_framesizes[0].max_fps.numerator);
|
|
|
|
ret = gc2035_detect(gc2035);
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
memset(facing, 0, sizeof(facing));
|
|
if (strcmp(gc2035->module_facing, "back") == 0)
|
|
facing[0] = 'b';
|
|
else
|
|
facing[0] = 'f';
|
|
|
|
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
|
|
gc2035->module_index, facing,
|
|
DRIVER_NAME, dev_name(sd->dev));
|
|
ret = v4l2_async_register_subdev_sensor(sd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
dev_info(&client->dev, "%s sensor driver registered !!\n", sd->name);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
v4l2_ctrl_handler_free(&gc2035->ctrls);
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
media_entity_cleanup(&sd->entity);
|
|
#endif
|
|
mutex_destroy(&gc2035->lock);
|
|
__gc2035_power_off(gc2035);
|
|
return ret;
|
|
}
|
|
|
|
static void gc2035_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct gc2035 *gc2035 = to_gc2035(sd);
|
|
|
|
v4l2_ctrl_handler_free(&gc2035->ctrls);
|
|
v4l2_async_unregister_subdev(sd);
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
media_entity_cleanup(&sd->entity);
|
|
#endif
|
|
mutex_destroy(&gc2035->lock);
|
|
|
|
__gc2035_power_off(gc2035);
|
|
}
|
|
|
|
static const struct i2c_device_id gc2035_id[] = {
|
|
{ "gc2035", 0 },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, gc2035_id);
|
|
|
|
#if IS_ENABLED(CONFIG_OF)
|
|
static const struct of_device_id gc2035_of_match[] = {
|
|
{ .compatible = "galaxycore,gc2035", },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, gc2035_of_match);
|
|
#endif
|
|
|
|
static struct i2c_driver gc2035_i2c_driver = {
|
|
.driver = {
|
|
.name = DRIVER_NAME,
|
|
.of_match_table = of_match_ptr(gc2035_of_match),
|
|
},
|
|
.probe = gc2035_probe,
|
|
.remove = gc2035_remove,
|
|
.id_table = gc2035_id,
|
|
};
|
|
|
|
static int __init sensor_mod_init(void)
|
|
{
|
|
return i2c_add_driver(&gc2035_i2c_driver);
|
|
}
|
|
|
|
static void __exit sensor_mod_exit(void)
|
|
{
|
|
i2c_del_driver(&gc2035_i2c_driver);
|
|
}
|
|
|
|
device_initcall_sync(sensor_mod_init);
|
|
module_exit(sensor_mod_exit);
|
|
|
|
MODULE_DESCRIPTION("GC2035 CMOS Image Sensor driver");
|
|
MODULE_LICENSE("GPL v2");
|