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cba862dc73
Several comments are wrongly tagged as kernel-doc, causing those warnings: drivers/media/rc/st_rc.c:98: warning: No description found for parameter 'irq' drivers/media/rc/st_rc.c:98: warning: No description found for parameter 'data' drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'solo_dev' drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'ch' drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'qp' drivers/media/usb/pwc/pwc-dec23.c:652: warning: Cannot understand * on line 652 - I thought it was a doc line drivers/media/usb/dvb-usb/cinergyT2-fe.c:40: warning: No description found for parameter 'op' drivers/media/usb/dvb-usb/friio-fe.c:301: warning: Cannot understand * (reg, val) commad list to initialize this module. on line 301 - I thought it was a doc line drivers/media/rc/streamzap.c:201: warning: No description found for parameter 'urb' drivers/media/rc/streamzap.c:333: warning: No description found for parameter 'intf' drivers/media/rc/streamzap.c:333: warning: No description found for parameter 'id' drivers/media/rc/streamzap.c:464: warning: No description found for parameter 'interface' drivers/media/i2c/ov5647.c:432: warning: Cannot understand * @short Subdev core operations registration on line 432 - I thought it was a doc line drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'd' drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'addr' drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'wbuf' drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'wlen' drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'rbuf' drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'rlen' drivers/media/platform/vim2m.c:350: warning: No description found for parameter 'priv' drivers/media/dvb-frontends/tua6100.c:34: warning: cannot understand function prototype: 'struct tua6100_priv ' drivers/media/platform/sti/hva/hva-h264.c:140: warning: cannot understand function prototype: 'struct hva_h264_stereo_video_sei ' drivers/media/platform/sti/hva/hva-h264.c:150: warning: Cannot understand * @frame_width: width in pixels of the buffer containing the input frame on line 150 - I thought it was a doc line drivers/media/platform/sti/hva/hva-h264.c:356: warning: Cannot understand * @ slice_size: slice size on line 356 - I thought it was a doc line drivers/media/platform/sti/hva/hva-h264.c:369: warning: Cannot understand * @ bitstream_size: bitstream size on line 369 - I thought it was a doc line drivers/media/platform/sti/hva/hva-h264.c:395: warning: Cannot understand * @seq_info: sequence information buffer on line 395 - I thought it was a doc line drivers/media/dvb-frontends/sp887x.c:137: warning: No description found for parameter 'fe' drivers/media/dvb-frontends/sp887x.c:137: warning: No description found for parameter 'fw' drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'n' drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'd' drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'quotient_i' drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'quotient_f' drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:83: warning: cannot understand function prototype: 'struct ttusb ' drivers/media/platform/sh_veu.c:277: warning: No description found for parameter 'priv' drivers/media/dvb-frontends/zl10036.c:33: warning: cannot understand function prototype: 'int zl10036_debug; ' drivers/media/dvb-frontends/zl10036.c:179: warning: No description found for parameter 'state' drivers/media/dvb-frontends/zl10036.c:179: warning: No description found for parameter 'frequency' drivers/media/platform/rcar_fdp1.c:1139: warning: No description found for parameter 'priv' drivers/media/platform/ti-vpe/vpe.c:933: warning: No description found for parameter 'priv' drivers/media/usb/gspca/ov519.c:36: warning: No description found for parameter 'fmt' drivers/media/usb/dvb-usb/dib0700_devices.c:3367: warning: No description found for parameter 'adap' Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
657 lines
14 KiB
C
657 lines
14 KiB
C
/*
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* A V4L2 driver for OmniVision OV5647 cameras.
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*
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* Based on Samsung S5K6AAFX SXGA 1/6" 1.3M CMOS Image Sensor driver
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* Copyright (C) 2011 Sylwester Nawrocki <s.nawrocki@samsung.com>
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*
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* Based on Omnivision OV7670 Camera Driver
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* Copyright (C) 2006-7 Jonathan Corbet <corbet@lwn.net>
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*
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* Copyright (C) 2016, Synopsys, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed .as is. WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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/i2c.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/module.h>
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#include <linux/of_graph.h>
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#include <linux/slab.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.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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#define SENSOR_NAME "ov5647"
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#define MIPI_CTRL00_CLOCK_LANE_GATE BIT(5)
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#define MIPI_CTRL00_BUS_IDLE BIT(2)
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#define MIPI_CTRL00_CLOCK_LANE_DISABLE BIT(0)
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#define OV5647_SW_STANDBY 0x0100
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#define OV5647_SW_RESET 0x0103
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#define OV5647_REG_CHIPID_H 0x300A
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#define OV5647_REG_CHIPID_L 0x300B
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#define OV5640_REG_PAD_OUT 0x300D
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#define OV5647_REG_FRAME_OFF_NUMBER 0x4202
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#define OV5647_REG_MIPI_CTRL00 0x4800
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#define OV5647_REG_MIPI_CTRL14 0x4814
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#define REG_TERM 0xfffe
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#define VAL_TERM 0xfe
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#define REG_DLY 0xffff
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#define OV5647_ROW_START 0x01
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#define OV5647_ROW_START_MIN 0
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#define OV5647_ROW_START_MAX 2004
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#define OV5647_ROW_START_DEF 54
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#define OV5647_COLUMN_START 0x02
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#define OV5647_COLUMN_START_MIN 0
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#define OV5647_COLUMN_START_MAX 2750
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#define OV5647_COLUMN_START_DEF 16
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#define OV5647_WINDOW_HEIGHT 0x03
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#define OV5647_WINDOW_HEIGHT_MIN 2
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#define OV5647_WINDOW_HEIGHT_MAX 2006
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#define OV5647_WINDOW_HEIGHT_DEF 1944
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#define OV5647_WINDOW_WIDTH 0x04
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#define OV5647_WINDOW_WIDTH_MIN 2
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#define OV5647_WINDOW_WIDTH_MAX 2752
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#define OV5647_WINDOW_WIDTH_DEF 2592
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struct regval_list {
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u16 addr;
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u8 data;
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};
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struct ov5647 {
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struct v4l2_subdev sd;
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struct media_pad pad;
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struct mutex lock;
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struct v4l2_mbus_framefmt format;
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unsigned int width;
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unsigned int height;
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int power_count;
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struct clk *xclk;
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};
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static inline struct ov5647 *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct ov5647, sd);
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}
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static struct regval_list sensor_oe_disable_regs[] = {
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{0x3000, 0x00},
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{0x3001, 0x00},
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{0x3002, 0x00},
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};
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static struct regval_list sensor_oe_enable_regs[] = {
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{0x3000, 0x0f},
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{0x3001, 0xff},
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{0x3002, 0xe4},
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};
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static struct regval_list ov5647_640x480[] = {
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{0x0100, 0x00},
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{0x0103, 0x01},
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{0x3034, 0x08},
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{0x3035, 0x21},
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{0x3036, 0x46},
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{0x303c, 0x11},
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{0x3106, 0xf5},
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{0x3821, 0x07},
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{0x3820, 0x41},
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{0x3827, 0xec},
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{0x370c, 0x0f},
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{0x3612, 0x59},
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{0x3618, 0x00},
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{0x5000, 0x06},
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{0x5001, 0x01},
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{0x5002, 0x41},
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{0x5003, 0x08},
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{0x5a00, 0x08},
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{0x3000, 0x00},
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{0x3001, 0x00},
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{0x3002, 0x00},
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{0x3016, 0x08},
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{0x3017, 0xe0},
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{0x3018, 0x44},
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{0x301c, 0xf8},
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{0x301d, 0xf0},
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{0x3a18, 0x00},
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{0x3a19, 0xf8},
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{0x3c01, 0x80},
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{0x3b07, 0x0c},
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{0x380c, 0x07},
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{0x380d, 0x68},
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{0x380e, 0x03},
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{0x380f, 0xd8},
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{0x3814, 0x31},
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{0x3815, 0x31},
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{0x3708, 0x64},
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{0x3709, 0x52},
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{0x3808, 0x02},
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{0x3809, 0x80},
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{0x380a, 0x01},
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{0x380b, 0xE0},
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{0x3801, 0x00},
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{0x3802, 0x00},
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{0x3803, 0x00},
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{0x3804, 0x0a},
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{0x3805, 0x3f},
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{0x3806, 0x07},
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{0x3807, 0xa1},
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{0x3811, 0x08},
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{0x3813, 0x02},
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{0x3630, 0x2e},
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{0x3632, 0xe2},
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{0x3633, 0x23},
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{0x3634, 0x44},
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{0x3636, 0x06},
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{0x3620, 0x64},
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{0x3621, 0xe0},
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{0x3600, 0x37},
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{0x3704, 0xa0},
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{0x3703, 0x5a},
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{0x3715, 0x78},
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{0x3717, 0x01},
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{0x3731, 0x02},
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{0x370b, 0x60},
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{0x3705, 0x1a},
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{0x3f05, 0x02},
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{0x3f06, 0x10},
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{0x3f01, 0x0a},
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{0x3a08, 0x01},
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{0x3a09, 0x27},
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{0x3a0a, 0x00},
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{0x3a0b, 0xf6},
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{0x3a0d, 0x04},
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{0x3a0e, 0x03},
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{0x3a0f, 0x58},
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{0x3a10, 0x50},
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{0x3a1b, 0x58},
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{0x3a1e, 0x50},
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{0x3a11, 0x60},
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{0x3a1f, 0x28},
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{0x4001, 0x02},
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{0x4004, 0x02},
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{0x4000, 0x09},
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{0x4837, 0x24},
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{0x4050, 0x6e},
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{0x4051, 0x8f},
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{0x0100, 0x01},
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};
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static int ov5647_write(struct v4l2_subdev *sd, u16 reg, u8 val)
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{
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int ret;
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unsigned char data[3] = { reg >> 8, reg & 0xff, val};
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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ret = i2c_master_send(client, data, 3);
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if (ret < 0)
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dev_dbg(&client->dev, "%s: i2c write error, reg: %x\n",
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__func__, reg);
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return ret;
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}
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static int ov5647_read(struct v4l2_subdev *sd, u16 reg, u8 *val)
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{
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int ret;
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unsigned char data_w[2] = { reg >> 8, reg & 0xff };
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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ret = i2c_master_send(client, data_w, 2);
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if (ret < 0) {
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dev_dbg(&client->dev, "%s: i2c write error, reg: %x\n",
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__func__, reg);
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return ret;
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}
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ret = i2c_master_recv(client, val, 1);
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if (ret < 0)
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dev_dbg(&client->dev, "%s: i2c read error, reg: %x\n",
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__func__, reg);
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return ret;
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}
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static int ov5647_write_array(struct v4l2_subdev *sd,
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struct regval_list *regs, int array_size)
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{
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int i, ret;
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for (i = 0; i < array_size; i++) {
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ret = ov5647_write(sd, regs[i].addr, regs[i].data);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int ov5647_set_virtual_channel(struct v4l2_subdev *sd, int channel)
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{
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u8 channel_id;
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int ret;
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ret = ov5647_read(sd, OV5647_REG_MIPI_CTRL14, &channel_id);
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if (ret < 0)
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return ret;
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channel_id &= ~(3 << 6);
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return ov5647_write(sd, OV5647_REG_MIPI_CTRL14, channel_id | (channel << 6));
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}
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static int ov5647_stream_on(struct v4l2_subdev *sd)
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{
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int ret;
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ret = ov5647_write(sd, OV5647_REG_MIPI_CTRL00, MIPI_CTRL00_BUS_IDLE);
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if (ret < 0)
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return ret;
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ret = ov5647_write(sd, OV5647_REG_FRAME_OFF_NUMBER, 0x00);
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if (ret < 0)
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return ret;
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return ov5647_write(sd, OV5640_REG_PAD_OUT, 0x00);
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}
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static int ov5647_stream_off(struct v4l2_subdev *sd)
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{
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int ret;
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ret = ov5647_write(sd, OV5647_REG_MIPI_CTRL00, MIPI_CTRL00_CLOCK_LANE_GATE
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| MIPI_CTRL00_BUS_IDLE | MIPI_CTRL00_CLOCK_LANE_DISABLE);
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if (ret < 0)
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return ret;
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ret = ov5647_write(sd, OV5647_REG_FRAME_OFF_NUMBER, 0x0f);
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if (ret < 0)
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return ret;
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return ov5647_write(sd, OV5640_REG_PAD_OUT, 0x01);
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}
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static int set_sw_standby(struct v4l2_subdev *sd, bool standby)
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{
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int ret;
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u8 rdval;
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ret = ov5647_read(sd, OV5647_SW_STANDBY, &rdval);
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if (ret < 0)
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return ret;
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if (standby)
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rdval &= ~0x01;
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else
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rdval |= 0x01;
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return ov5647_write(sd, OV5647_SW_STANDBY, rdval);
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}
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static int __sensor_init(struct v4l2_subdev *sd)
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{
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int ret;
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u8 resetval, rdval;
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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ret = ov5647_read(sd, OV5647_SW_STANDBY, &rdval);
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if (ret < 0)
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return ret;
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ret = ov5647_write_array(sd, ov5647_640x480,
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ARRAY_SIZE(ov5647_640x480));
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if (ret < 0) {
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dev_err(&client->dev, "write sensor default regs error\n");
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return ret;
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}
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ret = ov5647_set_virtual_channel(sd, 0);
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if (ret < 0)
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return ret;
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ret = ov5647_read(sd, OV5647_SW_STANDBY, &resetval);
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if (ret < 0)
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return ret;
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if (!(resetval & 0x01)) {
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dev_err(&client->dev, "Device was in SW standby");
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ret = ov5647_write(sd, OV5647_SW_STANDBY, 0x01);
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if (ret < 0)
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return ret;
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}
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/*
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* stream off to make the clock lane into LP-11 state.
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*/
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return ov5647_stream_off(sd);
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}
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static int ov5647_sensor_power(struct v4l2_subdev *sd, int on)
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{
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int ret = 0;
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struct ov5647 *ov5647 = to_state(sd);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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mutex_lock(&ov5647->lock);
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if (on && !ov5647->power_count) {
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dev_dbg(&client->dev, "OV5647 power on\n");
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ret = clk_prepare_enable(ov5647->xclk);
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if (ret < 0) {
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dev_err(&client->dev, "clk prepare enable failed\n");
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goto out;
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}
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ret = ov5647_write_array(sd, sensor_oe_enable_regs,
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ARRAY_SIZE(sensor_oe_enable_regs));
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if (ret < 0) {
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clk_disable_unprepare(ov5647->xclk);
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dev_err(&client->dev,
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"write sensor_oe_enable_regs error\n");
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goto out;
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}
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ret = __sensor_init(sd);
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if (ret < 0) {
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clk_disable_unprepare(ov5647->xclk);
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dev_err(&client->dev,
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"Camera not available, check Power\n");
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goto out;
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}
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} else if (!on && ov5647->power_count == 1) {
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dev_dbg(&client->dev, "OV5647 power off\n");
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ret = ov5647_write_array(sd, sensor_oe_disable_regs,
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ARRAY_SIZE(sensor_oe_disable_regs));
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if (ret < 0)
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dev_dbg(&client->dev, "disable oe failed\n");
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ret = set_sw_standby(sd, true);
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if (ret < 0)
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dev_dbg(&client->dev, "soft stby failed\n");
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clk_disable_unprepare(ov5647->xclk);
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}
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/* Update the power count. */
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ov5647->power_count += on ? 1 : -1;
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WARN_ON(ov5647->power_count < 0);
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out:
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mutex_unlock(&ov5647->lock);
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return ret;
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}
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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static int ov5647_sensor_get_register(struct v4l2_subdev *sd,
|
|
struct v4l2_dbg_register *reg)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
ret = ov5647_read(sd, reg->reg & 0xff, &val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
reg->val = val;
|
|
reg->size = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5647_sensor_set_register(struct v4l2_subdev *sd,
|
|
const struct v4l2_dbg_register *reg)
|
|
{
|
|
return ov5647_write(sd, reg->reg & 0xff, reg->val & 0xff);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Subdev core operations registration
|
|
*/
|
|
static const struct v4l2_subdev_core_ops ov5647_subdev_core_ops = {
|
|
.s_power = ov5647_sensor_power,
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
.g_register = ov5647_sensor_get_register,
|
|
.s_register = ov5647_sensor_set_register,
|
|
#endif
|
|
};
|
|
|
|
static int ov5647_s_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
if (enable)
|
|
return ov5647_stream_on(sd);
|
|
else
|
|
return ov5647_stream_off(sd);
|
|
}
|
|
|
|
static const struct v4l2_subdev_video_ops ov5647_subdev_video_ops = {
|
|
.s_stream = ov5647_s_stream,
|
|
};
|
|
|
|
static int ov5647_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
if (code->index > 0)
|
|
return -EINVAL;
|
|
|
|
code->code = MEDIA_BUS_FMT_SBGGR8_1X8;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_pad_ops ov5647_subdev_pad_ops = {
|
|
.enum_mbus_code = ov5647_enum_mbus_code,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops ov5647_subdev_ops = {
|
|
.core = &ov5647_subdev_core_ops,
|
|
.video = &ov5647_subdev_video_ops,
|
|
.pad = &ov5647_subdev_pad_ops,
|
|
};
|
|
|
|
static int ov5647_detect(struct v4l2_subdev *sd)
|
|
{
|
|
u8 read;
|
|
int ret;
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
ret = ov5647_write(sd, OV5647_SW_RESET, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = ov5647_read(sd, OV5647_REG_CHIPID_H, &read);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (read != 0x56) {
|
|
dev_err(&client->dev, "ID High expected 0x56 got %x", read);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = ov5647_read(sd, OV5647_REG_CHIPID_L, &read);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (read != 0x47) {
|
|
dev_err(&client->dev, "ID Low expected 0x47 got %x", read);
|
|
return -ENODEV;
|
|
}
|
|
|
|
return ov5647_write(sd, OV5647_SW_RESET, 0x00);
|
|
}
|
|
|
|
static int ov5647_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
|
{
|
|
struct v4l2_mbus_framefmt *format =
|
|
v4l2_subdev_get_try_format(sd, fh->pad, 0);
|
|
struct v4l2_rect *crop =
|
|
v4l2_subdev_get_try_crop(sd, fh->pad, 0);
|
|
|
|
crop->left = OV5647_COLUMN_START_DEF;
|
|
crop->top = OV5647_ROW_START_DEF;
|
|
crop->width = OV5647_WINDOW_WIDTH_DEF;
|
|
crop->height = OV5647_WINDOW_HEIGHT_DEF;
|
|
|
|
format->code = MEDIA_BUS_FMT_SBGGR8_1X8;
|
|
|
|
format->width = OV5647_WINDOW_WIDTH_DEF;
|
|
format->height = OV5647_WINDOW_HEIGHT_DEF;
|
|
format->field = V4L2_FIELD_NONE;
|
|
format->colorspace = V4L2_COLORSPACE_SRGB;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_internal_ops ov5647_subdev_internal_ops = {
|
|
.open = ov5647_open,
|
|
};
|
|
|
|
static int ov5647_parse_dt(struct device_node *np)
|
|
{
|
|
struct v4l2_fwnode_endpoint bus_cfg;
|
|
struct device_node *ep;
|
|
|
|
int ret;
|
|
|
|
ep = of_graph_get_next_endpoint(np, NULL);
|
|
if (!ep)
|
|
return -EINVAL;
|
|
|
|
ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
|
|
|
|
of_node_put(ep);
|
|
return ret;
|
|
}
|
|
|
|
static int ov5647_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct device *dev = &client->dev;
|
|
struct ov5647 *sensor;
|
|
int ret;
|
|
struct v4l2_subdev *sd;
|
|
struct device_node *np = client->dev.of_node;
|
|
u32 xclk_freq;
|
|
|
|
sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
|
|
if (!sensor)
|
|
return -ENOMEM;
|
|
|
|
if (IS_ENABLED(CONFIG_OF) && np) {
|
|
ret = ov5647_parse_dt(np);
|
|
if (ret) {
|
|
dev_err(dev, "DT parsing error: %d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/* get system clock (xclk) */
|
|
sensor->xclk = devm_clk_get(dev, NULL);
|
|
if (IS_ERR(sensor->xclk)) {
|
|
dev_err(dev, "could not get xclk");
|
|
return PTR_ERR(sensor->xclk);
|
|
}
|
|
|
|
xclk_freq = clk_get_rate(sensor->xclk);
|
|
if (xclk_freq != 25000000) {
|
|
dev_err(dev, "Unsupported clock frequency: %u\n", xclk_freq);
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_init(&sensor->lock);
|
|
|
|
sd = &sensor->sd;
|
|
v4l2_i2c_subdev_init(sd, client, &ov5647_subdev_ops);
|
|
sensor->sd.internal_ops = &ov5647_subdev_internal_ops;
|
|
sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
|
|
|
sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ret = media_entity_pads_init(&sd->entity, 1, &sensor->pad);
|
|
if (ret < 0)
|
|
goto mutex_remove;
|
|
|
|
ret = ov5647_detect(sd);
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
ret = v4l2_async_register_subdev(sd);
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
dev_dbg(dev, "OmniVision OV5647 camera driver probed\n");
|
|
return 0;
|
|
error:
|
|
media_entity_cleanup(&sd->entity);
|
|
mutex_remove:
|
|
mutex_destroy(&sensor->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int ov5647_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov5647 *ov5647 = to_state(sd);
|
|
|
|
v4l2_async_unregister_subdev(&ov5647->sd);
|
|
media_entity_cleanup(&ov5647->sd.entity);
|
|
v4l2_device_unregister_subdev(sd);
|
|
mutex_destroy(&ov5647->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id ov5647_id[] = {
|
|
{ "ov5647", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, ov5647_id);
|
|
|
|
#if IS_ENABLED(CONFIG_OF)
|
|
static const struct of_device_id ov5647_of_match[] = {
|
|
{ .compatible = "ovti,ov5647" },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, ov5647_of_match);
|
|
#endif
|
|
|
|
static struct i2c_driver ov5647_driver = {
|
|
.driver = {
|
|
.of_match_table = of_match_ptr(ov5647_of_match),
|
|
.name = SENSOR_NAME,
|
|
},
|
|
.probe = ov5647_probe,
|
|
.remove = ov5647_remove,
|
|
.id_table = ov5647_id,
|
|
};
|
|
|
|
module_i2c_driver(ov5647_driver);
|
|
|
|
MODULE_AUTHOR("Ramiro Oliveira <roliveir@synopsys.com>");
|
|
MODULE_DESCRIPTION("A low-level driver for OmniVision ov5647 sensors");
|
|
MODULE_LICENSE("GPL v2");
|