1235 lines
26 KiB
C
1235 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* gc0329 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 "gc0329"
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#define GC0329_PIXEL_RATE (24 * 1000 * 1000)
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/*
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* GC0329 register definitions
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*/
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#define REG_SC_CHIP_ID 0x00
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#define GC0329_ID 0xc0
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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 gc0329_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 gc0329_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 gc0329_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 gc0329_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 GC0329_NUM_SUPPLIES ARRAY_SIZE(gc0329_supply_names)
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struct gc0329 {
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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[GC0329_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 gc0329_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 gc0329_vga_regs[] = {
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{0xfe, 0x80},
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{0xfc, 0x16},
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{0xfc, 0x16},
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{0xfe, 0x00},
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{0x73, 0x90},
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{0x74, 0x80},
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{0x75, 0x80},
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{0x76, 0x94},
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/* analog */
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{0xfc, 0x16},
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{0x0a, 0x00},
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{0x0c, 0x00},
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{0x17, 0x14},
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{0x19, 0x05},
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{0x1b, 0x24},
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{0x1c, 0x04},
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{0x1e, 0x00},
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{0x1f, 0xc0},
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{0x20, 0x00},
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{0x21, 0x48},
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{0x23, 0x22},
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{0x24, 0x16},
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/* blk */
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{0x26, 0xf7},
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{0x32, 0x04},
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{0x33, 0x20},
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{0x34, 0x20},
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{0x35, 0x20},
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{0x36, 0x20},
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/* ISP */
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{0x40, 0xff},
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{0x41, 0x00},
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{0x42, 0xfe},
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{0x46, 0x03},
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{0x4b, 0xcb},
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{0x4d, 0x01},
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{0x4f, 0x01},
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{0x70, 0x48},
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/* DNDD */
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{0x80, 0xe7},
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{0x82, 0x55},
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{0x87, 0x4a},
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/* ASDE */
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{0xfe, 0x01},
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{0x18, 0x22},
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{0xfe, 0x00},
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{0x9c, 0x0a},
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{0xa4, 0x50},
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{0xa5, 0x21},
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{0xa7, 0x35},
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{0xdd, 0x54},
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{0x95, 0x35},
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/* gamma */
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{0xfe, 0x00},
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{0xbf, 0x06},
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{0xc0, 0x14},
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{0xc1, 0x27},
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{0xc2, 0x3b},
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{0xc3, 0x4f},
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{0xc4, 0x62},
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{0xc5, 0x72},
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{0xc6, 0x8d},
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{0xc7, 0xa4},
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{0xc8, 0xb8},
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{0xc9, 0xc9},
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{0xca, 0xd6},
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{0xcb, 0xe0},
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{0xcc, 0xe8},
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{0xcd, 0xf4},
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{0xce, 0xfc},
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{0xcf, 0xff},
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/* CC */
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{0xfe, 0x00},
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{0xb3, 0x44},
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{0xb4, 0xfd},
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{0xb5, 0x02},
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{0xb6, 0xfa},
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{0xb7, 0x48},
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{0xb8, 0xf0},
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/* crop */
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{0x50, 0x01},
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{0x19, 0x05},
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{0x20, 0x01},
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{0x22, 0xba},
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{0x21, 0x48},
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/* YCP */
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{0xfe, 0x00},
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{0xd1, 0x34},
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{0xd2, 0x34},
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/* AEC */
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{0xfe, 0x01},
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{0x10, 0x40},
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{0x11, 0x21},
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{0x12, 0x07},
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{0x13, 0x50},
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{0x17, 0x88},
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{0x21, 0xb0},
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{0x22, 0x48},
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{0x3c, 0x95},
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{0x3d, 0x50},
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{0x3e, 0x48},
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/* AWB */
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{0xfe, 0x01},
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{0x06, 0x08},
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{0x07, 0x06},
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{0x08, 0xa6},
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{0x09, 0xee},
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{0x50, 0xfc},
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{0x51, 0x28},
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{0x52, 0x10},
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{0x53, 0x08},
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{0x54, 0x12},
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{0x55, 0x10},
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{0x56, 0x10},
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{0x58, 0x80},
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{0x59, 0x08},
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{0x5a, 0x02},
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{0x5b, 0x63},
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{0x5c, 0x34},
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{0x5d, 0x73},
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{0x5e, 0x29},
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{0x5f, 0x40},
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{0x60, 0x40},
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{0x61, 0xc8},
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{0x62, 0xa0},
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{0x63, 0x40},
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{0x64, 0x38},
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{0x65, 0x98},
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{0x66, 0xfa},
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{0x67, 0x80},
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{0x68, 0x60},
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{0x69, 0x90},
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{0x6a, 0x40},
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{0x6b, 0x39},
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{0x6c, 0x28},
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{0x6d, 0x28},
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{0x6e, 0x41},
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{0x70, 0x10},
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{0x71, 0x00},
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{0x72, 0x08},
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{0x73, 0x40},
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{0x80, 0x70},
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{0x81, 0x58},
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{0x82, 0x42},
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{0x83, 0x40},
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{0x84, 0x40},
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{0x85, 0x40},
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/* CC-AWB */
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{0xd0, 0x00},
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{0xd2, 0x2c},
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{0xd3, 0x80},
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/* ABS */
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{0x9c, 0x02},
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{0x9d, 0x10},
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/* LSC */
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{0xfe, 0x01},
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{0xa0, 0x00},
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{0xa1, 0x3c},
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{0xa2, 0x50},
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{0xa3, 0x00},
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{0xa8, 0x0f},
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{0xa9, 0x08},
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{0xaa, 0x00},
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{0xab, 0x04},
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{0xac, 0x00},
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{0xad, 0x07},
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{0xae, 0x0e},
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{0xaf, 0x00},
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{0xb0, 0x00},
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{0xb1, 0x09},
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{0xb2, 0x00},
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{0xb3, 0x00},
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{0xb4, 0x31},
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{0xb5, 0x19},
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{0xb6, 0x24},
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{0xba, 0x3a},
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{0xbb, 0x24},
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{0xbc, 0x2a},
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{0xc0, 0x17},
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{0xc1, 0x13},
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{0xc2, 0x17},
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{0xc6, 0x21},
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{0xc7, 0x1c},
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{0xc8, 0x1c},
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{0xb7, 0x00},
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{0xb8, 0x00},
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{0xb9, 0x00},
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{0xbd, 0x00},
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{0xbe, 0x00},
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{0xbf, 0x00},
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{0xc3, 0x00},
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{0xc4, 0x00},
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{0xc5, 0x00},
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{0xc9, 0x00},
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{0xca, 0x00},
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{0xcb, 0x00},
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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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/* asde */
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{0xfe, 0x00},
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{0xa0, 0xaf},
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{0xa2, 0xff},
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{0x44, 0xa2},
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{REG_NULL, 0x00},
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};
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static const struct sensor_register gc0329_vga_regs_14fps[] = {
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/* flicker 14.2fps */
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{0xfe, 0x00},
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{0x05, 0x02},
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{0x06, 0x2c},
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{0x07, 0x00},
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{0x08, 0xb8},
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{0xfe, 0x01},
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{0x29, 0x00},
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{0x2a, 0x60},
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{0x2b, 0x02},
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{0x2c, 0xa0},
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{0x2d, 0x02},
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{0x2e, 0xa0},
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{0x2f, 0x02},
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{0x30, 0xa0},
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{0x31, 0x02},
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{0x32, 0xa0},
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{0x33, 0x20},
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{REG_NULL, 0x00},
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};
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static const struct sensor_register gc0329_vga_regs_30fps[] = {
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/* flicker 30fps */
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{0xfe, 0x00},
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{0x05, 0x00},
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{0x06, 0x56},
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{0x07, 0x00},
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{0x08, 0x10},
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{0xfe, 0x01},
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{0x29, 0x00},
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{0x2a, 0xa0},
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{0x2b, 0x01},
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{0x2c, 0xe0},
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{0x2d, 0x01},
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{0x2e, 0xe0},
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{0x2f, 0x01},
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{0x30, 0xe0},
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{0x31, 0x01},
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{0x32, 0xe0},
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{0x33, 0x20},
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{REG_NULL, 0x00},
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};
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static const struct gc0329_framesize gc0329_framesizes[] = {
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{
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.width = 640,
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.height = 480,
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.max_fps = {
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.numerator = 10000,
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.denominator = 140000,
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},
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.regs = gc0329_vga_regs_14fps,
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},
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{
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.width = 640,
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.height = 480,
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.max_fps = {
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.numerator = 10000,
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.denominator = 300000,
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},
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.regs = gc0329_vga_regs_30fps,
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}
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};
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static const struct gc0329_pixfmt gc0329_formats[] = {
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{
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.code = MEDIA_BUS_FMT_YUYV8_2X8,
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}
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};
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static inline struct gc0329 *to_gc0329(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct gc0329, sd);
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}
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/* sensor register write */
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static int gc0329_write(struct i2c_client *client, u8 reg, u8 val)
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{
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struct i2c_msg msg;
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u8 buf[2];
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int ret;
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buf[0] = reg & 0xFF;
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buf[1] = val;
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msg.addr = client->addr;
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msg.flags = client->flags;
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msg.buf = buf;
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msg.len = sizeof(buf);
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ret = i2c_transfer(client->adapter, &msg, 1);
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if (ret >= 0)
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return 0;
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dev_err(&client->dev,
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"gc0329 write reg(0x%x val:0x%x) failed !\n", reg, val);
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return ret;
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}
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/* sensor register read */
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static int gc0329_read(struct i2c_client *client, u8 reg, u8 *val)
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{
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struct i2c_msg msg[2];
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u8 buf[1];
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int ret;
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buf[0] = reg & 0xFF;
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msg[0].addr = client->addr;
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msg[0].flags = client->flags;
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msg[0].buf = buf;
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msg[0].len = sizeof(buf);
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msg[1].addr = client->addr;
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msg[1].flags = client->flags | I2C_M_RD;
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msg[1].buf = buf;
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msg[1].len = 1;
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ret = i2c_transfer(client->adapter, msg, 2);
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if (ret >= 0) {
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*val = buf[0];
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return 0;
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}
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dev_err(&client->dev,
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"gc0329 read reg:0x%x failed!\n", reg);
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return ret;
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}
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static int gc0329_write_array(struct i2c_client *client,
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const struct sensor_register *regs)
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{
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int i, ret = 0;
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i = 0;
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while (regs[i].addr != REG_NULL) {
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ret = gc0329_write(client, regs[i].addr, regs[i].value);
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if (ret) {
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dev_err(&client->dev, "%s failed !\n", __func__);
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break;
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}
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i++;
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}
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return ret;
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}
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static void gc0329_get_default_format(struct v4l2_mbus_framefmt *format)
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{
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format->width = gc0329_framesizes[0].width;
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format->height = gc0329_framesizes[0].height;
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format->colorspace = V4L2_COLORSPACE_SRGB;
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format->code = gc0329_formats[0].code;
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format->field = V4L2_FIELD_NONE;
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}
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static void gc0329_set_streaming(struct gc0329 *gc0329, int on)
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{
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struct i2c_client *client = gc0329->client;
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int ret;
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dev_dbg(&client->dev, "%s: on: %d\n", __func__, on);
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ret = gc0329_write(client, 0xfe, 0x00);
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if (!on) {
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ret |= gc0329_write(client, 0xfc, 0x17);
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ret |= gc0329_write(client, 0xf0, 0x00);
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ret |= gc0329_write(client, 0xf1, 0x00);
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} else {
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ret |= gc0329_write(client, 0xfc, 0x16);
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ret |= gc0329_write(client, 0xf0, 0x07);
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ret |= gc0329_write(client, 0xf1, 0x01);
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}
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if (ret)
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dev_err(&client->dev, "gc0329 soft standby failed\n");
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}
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/*
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* V4L2 subdev video and pad level operations
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*/
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static int gc0329_enum_mbus_code(struct v4l2_subdev *sd,
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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(gc0329_formats))
|
|
return -EINVAL;
|
|
|
|
code->code = gc0329_formats[code->index].code;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc0329_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(gc0329_formats);
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
if (fse->index >= ARRAY_SIZE(gc0329_framesizes))
|
|
return -EINVAL;
|
|
|
|
while (--i)
|
|
if (fse->code == gc0329_formats[i].code)
|
|
break;
|
|
|
|
fse->code = gc0329_formats[i].code;
|
|
|
|
fse->min_width = gc0329_framesizes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->max_height = gc0329_framesizes[fse->index].height;
|
|
fse->min_height = fse->max_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc0329_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 gc0329 *gc0329 = to_gc0329(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(&gc0329->lock);
|
|
fmt->format = *mf;
|
|
mutex_unlock(&gc0329->lock);
|
|
return 0;
|
|
#else
|
|
return -ENOTTY;
|
|
#endif
|
|
}
|
|
|
|
mutex_lock(&gc0329->lock);
|
|
fmt->format = gc0329->format;
|
|
mutex_unlock(&gc0329->lock);
|
|
|
|
dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__,
|
|
gc0329->format.code, gc0329->format.width,
|
|
gc0329->format.height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __gc0329_try_frame_size_fps(struct v4l2_mbus_framefmt *mf,
|
|
const struct gc0329_framesize **size,
|
|
unsigned int fps)
|
|
{
|
|
const struct gc0329_framesize *fsize = &gc0329_framesizes[0];
|
|
const struct gc0329_framesize *match = NULL;
|
|
unsigned int i = ARRAY_SIZE(gc0329_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 = &gc0329_framesizes[0];
|
|
} else {
|
|
fsize = &gc0329_framesizes[0];
|
|
for (i = 0; i < ARRAY_SIZE(gc0329_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 gc0329_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(gc0329_formats);
|
|
struct v4l2_mbus_framefmt *mf = &fmt->format;
|
|
const struct gc0329_framesize *size = NULL;
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "%s enter\n", __func__);
|
|
|
|
__gc0329_try_frame_size_fps(mf, &size, gc0329->fps);
|
|
|
|
while (--index >= 0)
|
|
if (gc0329_formats[index].code == mf->code)
|
|
break;
|
|
|
|
if (index < 0)
|
|
return -EINVAL;
|
|
|
|
mf->colorspace = V4L2_COLORSPACE_SRGB;
|
|
mf->code = gc0329_formats[index].code;
|
|
mf->field = V4L2_FIELD_NONE;
|
|
|
|
mutex_lock(&gc0329->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 (gc0329->streaming) {
|
|
mutex_unlock(&gc0329->lock);
|
|
return -EBUSY;
|
|
}
|
|
|
|
gc0329->frame_size = size;
|
|
gc0329->format = fmt->format;
|
|
}
|
|
|
|
mutex_unlock(&gc0329->lock);
|
|
return ret;
|
|
}
|
|
|
|
static void gc0329_get_module_inf(struct gc0329 *gc0329,
|
|
struct rkmodule_inf *inf)
|
|
{
|
|
memset(inf, 0, sizeof(*inf));
|
|
strlcpy(inf->base.sensor, DRIVER_NAME, sizeof(inf->base.sensor));
|
|
strlcpy(inf->base.module, gc0329->module_name,
|
|
sizeof(inf->base.module));
|
|
strlcpy(inf->base.lens, gc0329->len_name, sizeof(inf->base.lens));
|
|
}
|
|
|
|
static long gc0329_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
|
{
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
long ret = 0;
|
|
u32 stream = 0;
|
|
|
|
switch (cmd) {
|
|
case RKMODULE_GET_MODULE_INFO:
|
|
gc0329_get_module_inf(gc0329, (struct rkmodule_inf *)arg);
|
|
break;
|
|
case RKMODULE_SET_QUICK_STREAM:
|
|
|
|
stream = *((u32 *)arg);
|
|
|
|
gc0329_set_streaming(gc0329, !!stream);
|
|
break;
|
|
default:
|
|
ret = -ENOIOCTLCMD;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#ifdef CONFIG_COMPAT
|
|
static long gc0329_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 = gc0329_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 = gc0329_ioctl(sd, cmd, cfg);
|
|
kfree(cfg);
|
|
break;
|
|
case RKMODULE_SET_QUICK_STREAM:
|
|
ret = copy_from_user(&stream, up, sizeof(u32));
|
|
if (!ret)
|
|
ret = gc0329_ioctl(sd, cmd, &stream);
|
|
break;
|
|
default:
|
|
ret = -ENOIOCTLCMD;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int gc0329_s_stream(struct v4l2_subdev *sd, int on)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "%s: on: %d\n", __func__, on);
|
|
|
|
mutex_lock(&gc0329->lock);
|
|
|
|
on = !!on;
|
|
|
|
if (gc0329->streaming == on)
|
|
goto unlock;
|
|
|
|
if (!on) {
|
|
/* Stop Streaming Sequence */
|
|
gc0329_set_streaming(gc0329, on);
|
|
gc0329->streaming = on;
|
|
if (!IS_ERR(gc0329->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 1);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
goto unlock;
|
|
}
|
|
if (!IS_ERR(gc0329->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 0);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
ret = gc0329_write_array(client, gc0329_vga_regs);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
ret = gc0329_write_array(client, gc0329->frame_size->regs);
|
|
if (ret)
|
|
goto unlock;
|
|
|
|
gc0329_set_streaming(gc0329, on);
|
|
gc0329->streaming = on;
|
|
|
|
unlock:
|
|
mutex_unlock(&gc0329->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int gc0329_set_test_pattern(struct gc0329 *gc0329, int value)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int gc0329_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gc0329 *gc0329 =
|
|
container_of(ctrl->handler, struct gc0329, ctrls);
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_TEST_PATTERN:
|
|
return gc0329_set_test_pattern(gc0329, ctrl->val);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops gc0329_ctrl_ops = {
|
|
.s_ctrl = gc0329_s_ctrl,
|
|
};
|
|
|
|
static const char * const gc0329_test_pattern_menu[] = {
|
|
"Disabled",
|
|
"Vertical Color Bars",
|
|
};
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* V4L2 subdev internal operations
|
|
*/
|
|
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
static int gc0329_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__);
|
|
|
|
gc0329_get_default_format(format);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int gc0329_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 gc0329_g_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *fi)
|
|
{
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
|
|
fi->interval = gc0329->frame_size->max_fps;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gc0329_s_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *fi)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
const struct gc0329_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(&gc0329->lock);
|
|
fps = DIV_ROUND_CLOSEST(fi->interval.denominator,
|
|
fi->interval.numerator);
|
|
mf = gc0329->format;
|
|
__gc0329_try_frame_size_fps(&mf, &size, fps);
|
|
if (gc0329->frame_size != size) {
|
|
ret = gc0329_write_array(client, size->regs);
|
|
if (ret)
|
|
goto unlock;
|
|
gc0329->frame_size = size;
|
|
gc0329->fps = fps;
|
|
}
|
|
unlock:
|
|
mutex_unlock(&gc0329->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int gc0329_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(gc0329_framesizes))
|
|
return -EINVAL;
|
|
|
|
fie->code = MEDIA_BUS_FMT_YUYV8_2X8;
|
|
fie->width = gc0329_framesizes[fie->index].width;
|
|
fie->height = gc0329_framesizes[fie->index].height;
|
|
fie->interval = gc0329_framesizes[fie->index].max_fps;
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_core_ops gc0329_subdev_core_ops = {
|
|
.log_status = v4l2_ctrl_subdev_log_status,
|
|
.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
|
|
.unsubscribe_event = v4l2_event_subdev_unsubscribe,
|
|
.ioctl = gc0329_ioctl,
|
|
#ifdef CONFIG_COMPAT
|
|
.compat_ioctl32 = gc0329_compat_ioctl32,
|
|
#endif
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops gc0329_subdev_video_ops = {
|
|
.s_stream = gc0329_s_stream,
|
|
.g_frame_interval = gc0329_g_frame_interval,
|
|
.s_frame_interval = gc0329_s_frame_interval,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops gc0329_subdev_pad_ops = {
|
|
.enum_mbus_code = gc0329_enum_mbus_code,
|
|
.enum_frame_size = gc0329_enum_frame_sizes,
|
|
.enum_frame_interval = gc0329_enum_frame_interval,
|
|
.get_fmt = gc0329_get_fmt,
|
|
.set_fmt = gc0329_set_fmt,
|
|
.get_mbus_config = gc0329_g_mbus_config,
|
|
};
|
|
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
static const struct v4l2_subdev_ops gc0329_subdev_ops = {
|
|
.core = &gc0329_subdev_core_ops,
|
|
.video = &gc0329_subdev_video_ops,
|
|
.pad = &gc0329_subdev_pad_ops,
|
|
};
|
|
|
|
static const struct v4l2_subdev_internal_ops gc0329_subdev_internal_ops = {
|
|
.open = gc0329_open,
|
|
};
|
|
#endif
|
|
|
|
static int gc0329_detect(struct gc0329 *gc0329)
|
|
{
|
|
struct i2c_client *client = gc0329->client;
|
|
u8 pid = 0;
|
|
int ret;
|
|
|
|
dev_dbg(&client->dev, "%s:\n", __func__);
|
|
|
|
/* Check sensor revision */
|
|
ret = gc0329_write(client, 0xfc, 0x16);
|
|
msleep(20);
|
|
ret |= gc0329_read(client, REG_SC_CHIP_ID, &pid);
|
|
if (!ret) {
|
|
if (pid != GC0329_ID) {
|
|
ret = -1;
|
|
dev_err(&client->dev,
|
|
"Sensor detection failed (%X, %d)\n",
|
|
pid, ret);
|
|
} else {
|
|
dev_info(&client->dev,
|
|
"Found GC0329 id:%X sensor\n", pid);
|
|
if (!IS_ERR(gc0329->pwdn_gpio))
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 1);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __gc0329_power_on(struct gc0329 *gc0329)
|
|
{
|
|
int ret;
|
|
struct device *dev = &gc0329->client->dev;
|
|
|
|
if (!IS_ERR(gc0329->xvclk)) {
|
|
ret = clk_set_rate(gc0329->xvclk, 24000000);
|
|
if (ret < 0)
|
|
dev_info(dev, "Failed to set xvclk rate (24MHz)\n");
|
|
}
|
|
|
|
if (!IS_ERR(gc0329->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 1);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc0329->supplies)) {
|
|
ret = regulator_bulk_enable(GC0329_NUM_SUPPLIES,
|
|
gc0329->supplies);
|
|
if (ret < 0)
|
|
dev_info(dev, "Failed to enable regulators\n");
|
|
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc0329->pwdn_gpio)) {
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 0);
|
|
usleep_range(2000, 5000);
|
|
}
|
|
|
|
if (!IS_ERR(gc0329->xvclk)) {
|
|
ret = clk_prepare_enable(gc0329->xvclk);
|
|
if (ret < 0)
|
|
dev_info(dev, "Failed to enable xvclk\n");
|
|
}
|
|
|
|
usleep_range(7000, 10000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __gc0329_power_off(struct gc0329 *gc0329)
|
|
{
|
|
if (!IS_ERR(gc0329->xvclk))
|
|
clk_disable_unprepare(gc0329->xvclk);
|
|
if (!IS_ERR(gc0329->supplies))
|
|
regulator_bulk_disable(GC0329_NUM_SUPPLIES, gc0329->supplies);
|
|
if (!IS_ERR(gc0329->pwdn_gpio))
|
|
gpiod_set_value_cansleep(gc0329->pwdn_gpio, 1);
|
|
}
|
|
|
|
static int gc0329_configure_regulators(struct gc0329 *gc0329)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < GC0329_NUM_SUPPLIES; i++)
|
|
gc0329->supplies[i].supply = gc0329_supply_names[i];
|
|
|
|
return devm_regulator_bulk_get(&gc0329->client->dev,
|
|
GC0329_NUM_SUPPLIES,
|
|
gc0329->supplies);
|
|
}
|
|
|
|
static int gc0329_parse_of(struct gc0329 *gc0329)
|
|
{
|
|
struct device *dev = &gc0329->client->dev;
|
|
int ret;
|
|
|
|
gc0329->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
|
|
if (IS_ERR(gc0329->pwdn_gpio))
|
|
dev_info(dev, "Failed to get pwdn-gpios, maybe no used\n");
|
|
|
|
ret = gc0329_configure_regulators(gc0329);
|
|
if (ret)
|
|
dev_info(dev, "Failed to get power regulators\n");
|
|
|
|
return __gc0329_power_on(gc0329);
|
|
}
|
|
|
|
static int gc0329_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 gc0329 *gc0329;
|
|
char facing[2];
|
|
int ret;
|
|
|
|
dev_info(dev, "driver version: %02x.%02x.%02x",
|
|
DRIVER_VERSION >> 16,
|
|
(DRIVER_VERSION & 0xff00) >> 8,
|
|
DRIVER_VERSION & 0x00ff);
|
|
|
|
gc0329 = devm_kzalloc(&client->dev, sizeof(*gc0329), GFP_KERNEL);
|
|
if (!gc0329)
|
|
return -ENOMEM;
|
|
|
|
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
|
|
&gc0329->module_index);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
|
|
&gc0329->module_facing);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
|
|
&gc0329->module_name);
|
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
|
|
&gc0329->len_name);
|
|
if (ret) {
|
|
dev_err(dev, "could not get module information!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
gc0329->client = client;
|
|
gc0329->xvclk = devm_clk_get(&client->dev, "xvclk");
|
|
if (IS_ERR(gc0329->xvclk)) {
|
|
dev_err(&client->dev, "Failed to get xvclk\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
gc0329_parse_of(gc0329);
|
|
|
|
gc0329->xvclk_frequency = clk_get_rate(gc0329->xvclk);
|
|
if (gc0329->xvclk_frequency < 6000000 ||
|
|
gc0329->xvclk_frequency > 27000000)
|
|
return -EINVAL;
|
|
|
|
v4l2_ctrl_handler_init(&gc0329->ctrls, 2);
|
|
gc0329->link_frequency =
|
|
v4l2_ctrl_new_std(&gc0329->ctrls, &gc0329_ctrl_ops,
|
|
V4L2_CID_PIXEL_RATE, 0,
|
|
GC0329_PIXEL_RATE, 1,
|
|
GC0329_PIXEL_RATE);
|
|
|
|
v4l2_ctrl_new_std_menu_items(&gc0329->ctrls, &gc0329_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(gc0329_test_pattern_menu) - 1,
|
|
0, 0, gc0329_test_pattern_menu);
|
|
gc0329->sd.ctrl_handler = &gc0329->ctrls;
|
|
|
|
if (gc0329->ctrls.error) {
|
|
dev_err(&client->dev, "%s: control initialization error %d\n",
|
|
__func__, gc0329->ctrls.error);
|
|
return gc0329->ctrls.error;
|
|
}
|
|
|
|
sd = &gc0329->sd;
|
|
client->flags |= I2C_CLIENT_SCCB;
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
|
v4l2_i2c_subdev_init(sd, client, &gc0329_subdev_ops);
|
|
|
|
sd->internal_ops = &gc0329_subdev_internal_ops;
|
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
|
|
V4L2_SUBDEV_FL_HAS_EVENTS;
|
|
#endif
|
|
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
gc0329->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ret = media_entity_pads_init(&sd->entity, 1, &gc0329->pad);
|
|
if (ret < 0) {
|
|
v4l2_ctrl_handler_free(&gc0329->ctrls);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
mutex_init(&gc0329->lock);
|
|
|
|
gc0329_get_default_format(&gc0329->format);
|
|
gc0329->frame_size = &gc0329_framesizes[0];
|
|
gc0329->format.width = gc0329_framesizes[0].width;
|
|
gc0329->format.height = gc0329_framesizes[0].height;
|
|
gc0329->fps = DIV_ROUND_CLOSEST(gc0329_framesizes[0].max_fps.denominator,
|
|
gc0329_framesizes[0].max_fps.numerator);
|
|
|
|
ret = gc0329_detect(gc0329);
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
memset(facing, 0, sizeof(facing));
|
|
if (strcmp(gc0329->module_facing, "back") == 0)
|
|
facing[0] = 'b';
|
|
else
|
|
facing[0] = 'f';
|
|
|
|
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
|
|
gc0329->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(&gc0329->ctrls);
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
media_entity_cleanup(&sd->entity);
|
|
#endif
|
|
mutex_destroy(&gc0329->lock);
|
|
__gc0329_power_off(gc0329);
|
|
return ret;
|
|
}
|
|
|
|
static void gc0329_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct gc0329 *gc0329 = to_gc0329(sd);
|
|
|
|
v4l2_ctrl_handler_free(&gc0329->ctrls);
|
|
v4l2_async_unregister_subdev(sd);
|
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
|
media_entity_cleanup(&sd->entity);
|
|
#endif
|
|
mutex_destroy(&gc0329->lock);
|
|
|
|
__gc0329_power_off(gc0329);
|
|
}
|
|
|
|
static const struct i2c_device_id gc0329_id[] = {
|
|
{ "gc0329", 0 },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, gc0329_id);
|
|
|
|
#if IS_ENABLED(CONFIG_OF)
|
|
static const struct of_device_id gc0329_of_match[] = {
|
|
{ .compatible = "galaxycore,gc0329", },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, gc0329_of_match);
|
|
#endif
|
|
|
|
static struct i2c_driver gc0329_i2c_driver = {
|
|
.driver = {
|
|
.name = DRIVER_NAME,
|
|
.of_match_table = of_match_ptr(gc0329_of_match),
|
|
},
|
|
.probe = gc0329_probe,
|
|
.remove = gc0329_remove,
|
|
.id_table = gc0329_id,
|
|
};
|
|
|
|
static int __init sensor_mod_init(void)
|
|
{
|
|
return i2c_add_driver(&gc0329_i2c_driver);
|
|
}
|
|
|
|
static void __exit sensor_mod_exit(void)
|
|
{
|
|
i2c_del_driver(&gc0329_i2c_driver);
|
|
}
|
|
|
|
device_initcall_sync(sensor_mod_init);
|
|
module_exit(sensor_mod_exit);
|
|
|
|
MODULE_DESCRIPTION("GC0329 CMOS Image Sensor driver");
|
|
MODULE_LICENSE("GPL v2");
|