--- /dev/null
+/*
+ * drivers/media/i2c/soc_camera/rockchip/ov7750_v4l2-i2c-subdev.c
+ *
+ * ov7750 sensor driver
+ *
+ * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
+ *
+ * Copyright (C) 2012-2014 Intel Mobile Communications GmbH
+ *
+ * Copyright (C) 2008 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ */
+
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <media/v4l2-subdev.h>
+#include <media/videobuf-core.h>
+#include <linux/slab.h>
+#include "ov_camera_module.h"
+
+/*****************************************************************************
+ * DEFINES
+ *****************************************************************************/
+#define ov7750_DRIVER_NAME "ov7750"
+
+#define ov7750_FETCH_LSB_GAIN(VAL) ((VAL) & 0x00ff)
+#define ov7750_FETCH_MSB_GAIN(VAL) (((VAL) >> 8) & 0xff)
+#define ov7750_AEC_PK_LONG_GAIN_HIGH_REG 0x3508 /* Bit 6-13 */
+#define ov7750_AEC_PK_LONG_GAIN_LOW_REG 0x3509 /* Bits 0 -5 */
+
+#define ov7750_AEC_PK_LONG_EXPO_3RD_REG 0x3500 /* Exposure Bits 16-19 */
+#define ov7750_AEC_PK_LONG_EXPO_2ND_REG 0x3501 /* Exposure Bits 8-15 */
+#define ov7750_AEC_PK_LONG_EXPO_1ST_REG 0x3502 /* Exposure Bits 0-7 */
+
+#define ov7750_AEC_GROUP_UPDATE_ADDRESS 0x3208
+#define ov7750_AEC_GROUP_UPDATE_START_DATA 0x00
+#define ov7750_AEC_GROUP_UPDATE_END_DATA 0x10
+#define ov7750_AEC_GROUP_UPDATE_END_LAUNCH 0xA0
+
+#define ov7750_FETCH_3RD_BYTE_EXP(VAL) (((VAL) >> 16) & 0xF) /* 4 Bits */
+#define ov7750_FETCH_2ND_BYTE_EXP(VAL) (((VAL) >> 8) & 0xFF) /* 8 Bits */
+#define ov7750_FETCH_1ST_BYTE_EXP(VAL) ((VAL) & 0xFF) /* 8 Bits */
+
+#define ov7750_PIDH_ADDR 0x300A
+#define ov7750_PIDL_ADDR 0x300B
+
+#define ov7750_TIMING_VTS_HIGH_REG 0x380e
+#define ov7750_TIMING_VTS_LOW_REG 0x380f
+#define ov7750_TIMING_HTS_HIGH_REG 0x380c
+#define ov7750_TIMING_HTS_LOW_REG 0x380d
+#define ov7750_INTEGRATION_TIME_MARGIN 8
+#define ov7750_FINE_INTG_TIME_MIN 0
+#define ov7750_FINE_INTG_TIME_MAX_MARGIN 0
+#define ov7750_COARSE_INTG_TIME_MIN 16
+#define ov7750_COARSE_INTG_TIME_MAX_MARGIN 4
+#define ov7750_TIMING_X_INC 0x3814
+#define ov7750_TIMING_Y_INC 0x3815
+#define ov7750_HORIZONTAL_START_HIGH_REG 0x3800
+#define ov7750_HORIZONTAL_START_LOW_REG 0x3801
+#define ov7750_VERTICAL_START_HIGH_REG 0x3802
+#define ov7750_VERTICAL_START_LOW_REG 0x3803
+#define ov7750_HORIZONTAL_END_HIGH_REG 0x3804
+#define ov7750_HORIZONTAL_END_LOW_REG 0x3805
+#define ov7750_VERTICAL_END_HIGH_REG 0x3806
+#define ov7750_VERTICAL_END_LOW_REG 0x3807
+#define ov7750_HORIZONTAL_OUTPUT_SIZE_HIGH_REG 0x3808
+#define ov7750_HORIZONTAL_OUTPUT_SIZE_LOW_REG 0x3809
+#define ov7750_VERTICAL_OUTPUT_SIZE_HIGH_REG 0x380a
+#define ov7750_VERTICAL_OUTPUT_SIZE_LOW_REG 0x380b
+#define ov7750_FLIP_REG 0x3820
+#define ov7750_MIRROR_REG 0x3821
+
+#define ov7750_EXT_CLK 26000000
+#define ov7750_FULL_SIZE_RESOLUTION_WIDTH 3264
+#define ov7750_BINING_SIZE_RESOLUTION_WIDTH 1632
+#define ov7750_VIDEO_SIZE_RESOLUTION_WIDTH 3200
+
+#define ov7750_EXP_VALID_FRAMES 4
+/* High byte of product ID */
+#define ov7750_PIDH_MAGIC 0x77
+/* Low byte of product ID */
+#define ov7750_PIDL_MAGIC 0x50
+
+#define BG_RATIO_TYPICAL 0x129
+#define RG_RATIO_TYPICAL 0x11f
+
+static struct ov_camera_module ov7750;
+static struct ov_camera_module_custom_config ov7750_custom_config;
+
+/*****************************************************************************
+ * GLOBALS
+ *****************************************************************************/
+
+// Image sensor register settings default values taken from
+// data sheet OV7750A_DS_1.1_SiliconImage.pdf.
+
+// The settings may be altered by the code in IsiSetupSensor.
+static struct ov_camera_module_reg ov7750_init_tab_640_480_60fps[] = {
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x0103, 0x01},// enable soft reset
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x0100, 0x00},// stream off
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3005, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3012, 0xc0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3013, 0xd2},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3014, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3016, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3017, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3018, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x301a, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x301b, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x301c, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3023, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3037, 0xf0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3098, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3099, 0x14},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x309a, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x309b, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x30b0, 0x0a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x30b1, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x30b3, 0x32},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x30b4, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x30b5, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3106, 0xda},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3500, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3501, 0x1f},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3502, 0x80},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3503, 0x07},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3509, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x350b, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3600, 0x1c},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3602, 0x62},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3620, 0xb7},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3622, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3626, 0x21},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3627, 0x30},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3630, 0x44},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3631, 0x35},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3634, 0x60},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3636, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3662, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3663, 0x70},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3664, 0xf0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3666, 0x0a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3669, 0x1a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x366a, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x366b, 0x50},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3673, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3674, 0xff},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3675, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3705, 0xc1},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3709, 0x40},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x373c, 0x08},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3742, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3757, 0xb3},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3788, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x37a8, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x37a9, 0xc0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3800, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3801, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3802, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3803, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3804, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3805, 0x8b},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3806, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3807, 0xeb},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3808, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3809, 0x80},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380a, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380b, 0xe0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380c, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380d, 0xa0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380e, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380f, 0x1a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3810, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3811, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3812, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3813, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3814, 0x11},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3815, 0x11},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3820, 0x40},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3821, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x382f, 0x0e},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3832, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3833, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3834, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3835, 0x0c},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3837, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x38b1, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b80, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b81, 0xa5},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b82, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b83, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b84, 0x08},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b85, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b86, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b87, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b88, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b89, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8a, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8b, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8c, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8d, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8e, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b8f, 0x1a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b94, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b95, 0xf2},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3b96, 0x40},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c00, 0x89},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c01, 0x63},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c02, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c03, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c04, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c05, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c06, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c07, 0x06},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c0c, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c0d, 0xd0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c0e, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3c0f, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4001, 0x42},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4004, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4005, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x404e, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4241, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4242, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4300, 0xff},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4301, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4501, 0x48},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4600, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4601, 0x4e},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4801, 0x0f},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4806, 0x0f},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4819, 0xaa},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4823, 0x3e},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4837, 0x19},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4a0d, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4a47, 0x7f},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4a49, 0xf0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x4a4b, 0x30},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x5000, 0x85},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x5001, 0x80},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3500, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3501, 0x1f},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3502, 0x80},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3503, 0x07},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3509, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x350b, 0x10},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3600, 0x1c},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3602, 0x62},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3620, 0xb7},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3622, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3626, 0x21},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3627, 0x30},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3630, 0x44},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3631, 0x35},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3634, 0x60},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3636, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3662, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3663, 0x70},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3664, 0xf0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3666, 0x0a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3669, 0x1a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x366a, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x366b, 0x50},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3673, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3674, 0xff},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3675, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3705, 0xc1},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3709, 0x40},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x373c, 0x08},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3742, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3757, 0xb3},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3788, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x37a8, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x37a9, 0xc0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3800, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3801, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3802, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3803, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3804, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3805, 0x8b},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3806, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3807, 0xeb},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3808, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3809, 0x80},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380a, 0x01},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380b, 0xe0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380c, 0x03},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380d, 0xa0},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380e, 0x02},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x380f, 0x1a},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3810, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3811, 0x04},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3812, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3813, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3814, 0x11},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3815, 0x11},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3820, 0x40},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3821, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x382f, 0x0e},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3832, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3833, 0x05},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3834, 0x00},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3835, 0x0c},
+ {OV_CAMERA_MODULE_REG_TYPE_DATA, 0x3837, 0x00},
+};
+
+static struct ov_camera_module_config ov7750_configs[] = {
+ {
+ .name = "640x480_60fps",
+ .frm_fmt = {
+ .width = 640,
+ .height = 480,
+ .code = MEDIA_BUS_FMT_SBGGR10_1X10
+ },
+ .frm_intrvl = {
+ .interval = {
+ .numerator = 1,
+ .denominator = 60
+ }
+ },
+ .auto_exp_enabled = false,
+ .auto_gain_enabled = false,
+ .auto_wb_enabled = false,
+ .reg_table = (void *)ov7750_init_tab_640_480_60fps,
+ .reg_table_num_entries =
+ sizeof(ov7750_init_tab_640_480_60fps) /
+ sizeof(ov7750_init_tab_640_480_60fps[0]),
+ .reg_diff_table = NULL,
+ .reg_diff_table_num_entries = 0,
+ .v_blanking_time_us = 7251,
+ PLTFRM_CAM_ITF_MIPI_CFG(0, 1, 800, 24000000)
+ }
+};
+
+static int ov7750_g_VTS(struct ov_camera_module *cam_mod, u32 *vts)
+{
+ u32 msb, lsb;
+ int ret;
+
+ ret = ov_camera_module_read_reg_table(
+ cam_mod,
+ ov7750_TIMING_VTS_HIGH_REG,
+ &msb);
+ if (IS_ERR_VALUE(ret))
+ goto err;
+
+ ret = ov_camera_module_read_reg_table(
+ cam_mod,
+ ov7750_TIMING_VTS_LOW_REG,
+ &lsb);
+ if (IS_ERR_VALUE(ret))
+ goto err;
+
+ *vts = (msb << 8) | lsb;
+ cam_mod->vts_cur = *vts;
+
+ return 0;
+err:
+ ov_camera_module_pr_err(cam_mod,
+ "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_auto_adjust_fps(struct ov_camera_module *cam_mod,
+ u32 exp_time)
+{
+ int ret;
+ u32 vts;
+
+ if ((cam_mod->exp_config.exp_time + ov7750_COARSE_INTG_TIME_MAX_MARGIN)
+ > cam_mod->vts_min)
+ vts = cam_mod->exp_config.exp_time +
+ ov7750_COARSE_INTG_TIME_MAX_MARGIN;
+ else
+ vts = cam_mod->vts_min;
+ ret = ov_camera_module_write_reg(cam_mod,
+ ov7750_TIMING_VTS_LOW_REG,
+ vts & 0xFF);
+ ret |= ov_camera_module_write_reg(cam_mod,
+ ov7750_TIMING_VTS_HIGH_REG,
+ (vts >> 8) & 0xFF);
+
+ if (IS_ERR_VALUE(ret)) {
+ ov_camera_module_pr_err(cam_mod,
+ "failed with error (%d)\n", ret);
+ } else {
+ ov_camera_module_pr_debug(cam_mod,
+ "updated vts = %d,vts_min=%d\n", vts, cam_mod->vts_min);
+ cam_mod->vts_cur = vts;
+ }
+
+ return ret;
+}
+
+static int ov7750_write_aec(struct ov_camera_module *cam_mod)
+{
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod,
+ "exp_time = %d, gain = %d, flash_mode = %d\n",
+ cam_mod->exp_config.exp_time,
+ cam_mod->exp_config.gain,
+ cam_mod->exp_config.flash_mode);
+
+ /*
+ * if the sensor is already streaming, write to shadow registers,
+ * if the sensor is in SW standby, write to active registers,
+ * if the sensor is off/registers are not writeable, do nothing
+ */
+ if ((cam_mod->state == OV_CAMERA_MODULE_SW_STANDBY) ||
+ (cam_mod->state == OV_CAMERA_MODULE_STREAMING)) {
+ u32 a_gain = cam_mod->exp_config.gain;
+ u32 exp_time;
+
+ a_gain = a_gain > 0x7ff ? 0x7ff : a_gain;
+ a_gain = a_gain * cam_mod->exp_config.gain_percent / 100;
+ exp_time = cam_mod->exp_config.exp_time << 4;
+ if (cam_mod->state == OV_CAMERA_MODULE_STREAMING)
+ ret = ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_GROUP_UPDATE_ADDRESS,
+ ov7750_AEC_GROUP_UPDATE_START_DATA);
+ if (!IS_ERR_VALUE(ret) && cam_mod->auto_adjust_fps)
+ ret = ov7750_auto_adjust_fps(cam_mod,
+ cam_mod->exp_config.exp_time);
+ ret |= ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_PK_LONG_GAIN_HIGH_REG,
+ ov7750_FETCH_MSB_GAIN(a_gain));
+ ret |= ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_PK_LONG_GAIN_LOW_REG,
+ ov7750_FETCH_LSB_GAIN(a_gain));
+ ret = ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_PK_LONG_EXPO_3RD_REG,
+ ov7750_FETCH_3RD_BYTE_EXP(exp_time));
+ ret |= ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_PK_LONG_EXPO_2ND_REG,
+ ov7750_FETCH_2ND_BYTE_EXP(exp_time));
+ ret |= ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_PK_LONG_EXPO_1ST_REG,
+ ov7750_FETCH_1ST_BYTE_EXP(exp_time));
+ if (cam_mod->state == OV_CAMERA_MODULE_STREAMING) {
+ ret = ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_GROUP_UPDATE_ADDRESS,
+ ov7750_AEC_GROUP_UPDATE_END_DATA);
+ ret = ov_camera_module_write_reg(cam_mod,
+ ov7750_AEC_GROUP_UPDATE_ADDRESS,
+ ov7750_AEC_GROUP_UPDATE_END_LAUNCH);
+ }
+ }
+
+ if (IS_ERR_VALUE(ret))
+ ov_camera_module_pr_err(cam_mod,
+ "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_g_ctrl(struct ov_camera_module *cam_mod, u32 ctrl_id)
+{
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod, "\n");
+
+ switch (ctrl_id) {
+ case V4L2_CID_GAIN:
+ case V4L2_CID_EXPOSURE:
+ case V4L2_CID_FLASH_LED_MODE:
+ /* nothing to be done here */
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (IS_ERR_VALUE(ret))
+ ov_camera_module_pr_debug(cam_mod,
+ "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_filltimings(struct ov_camera_module_custom_config *custom)
+{
+ int i, j;
+ struct ov_camera_module_config *config;
+ struct ov_camera_module_timings *timings;
+ struct ov_camera_module_reg *reg_table;
+ int reg_table_num_entries;
+
+ for (i = 0; i < custom->num_configs; i++) {
+ config = &custom->configs[i];
+ reg_table = config->reg_table;
+ reg_table_num_entries = config->reg_table_num_entries;
+ timings = &config->timings;
+
+ memset(timings, 0x00, sizeof(*timings));
+ for (j = 0; j < reg_table_num_entries; j++) {
+ switch (reg_table[j].reg) {
+ case ov7750_TIMING_VTS_HIGH_REG:
+ timings->frame_length_lines =
+ ((reg_table[j].val << 8) |
+ (timings->frame_length_lines & 0xff));
+ break;
+ case ov7750_TIMING_VTS_LOW_REG:
+ timings->frame_length_lines =
+ (reg_table[j].val |
+ (timings->frame_length_lines & 0xff00));
+ break;
+ case ov7750_TIMING_HTS_HIGH_REG:
+ timings->line_length_pck =
+ ((reg_table[j].val << 8) |
+ timings->line_length_pck);
+ break;
+ case ov7750_TIMING_HTS_LOW_REG:
+ timings->line_length_pck =
+ (reg_table[j].val |
+ (timings->line_length_pck & 0xff00));
+ break;
+ case ov7750_TIMING_X_INC:
+ timings->binning_factor_x =
+ ((reg_table[j].val >> 4) + 1) / 2;
+ if (timings->binning_factor_x == 0)
+ timings->binning_factor_x = 1;
+ break;
+ case ov7750_TIMING_Y_INC:
+ timings->binning_factor_y =
+ ((reg_table[j].val >> 4) + 1) / 2;
+ if (timings->binning_factor_y == 0)
+ timings->binning_factor_y = 1;
+ break;
+ case ov7750_HORIZONTAL_START_HIGH_REG:
+ timings->crop_horizontal_start =
+ ((reg_table[j].val << 8) |
+ (timings->crop_horizontal_start &
+ 0xff));
+ break;
+ case ov7750_HORIZONTAL_START_LOW_REG:
+ timings->crop_horizontal_start =
+ (reg_table[j].val |
+ (timings->crop_horizontal_start &
+ 0xff00));
+ break;
+ case ov7750_VERTICAL_START_HIGH_REG:
+ timings->crop_vertical_start =
+ ((reg_table[j].val << 8) |
+ (timings->crop_vertical_start & 0xff));
+ break;
+ case ov7750_VERTICAL_START_LOW_REG:
+ timings->crop_vertical_start =
+ ((reg_table[j].val) |
+ (timings->crop_vertical_start &
+ 0xff00));
+ break;
+ case ov7750_HORIZONTAL_END_HIGH_REG:
+ timings->crop_horizontal_end =
+ ((reg_table[j].val << 8) |
+ (timings->crop_horizontal_end & 0xff));
+ break;
+ case ov7750_HORIZONTAL_END_LOW_REG:
+ timings->crop_horizontal_end =
+ (reg_table[j].val |
+ (timings->crop_horizontal_end &
+ 0xff00));
+ break;
+ case ov7750_VERTICAL_END_HIGH_REG:
+ timings->crop_vertical_end =
+ ((reg_table[j].val << 8) |
+ (timings->crop_vertical_end & 0xff));
+ break;
+ case ov7750_VERTICAL_END_LOW_REG:
+ timings->crop_vertical_end =
+ (reg_table[j].val |
+ (timings->crop_vertical_end & 0xff00));
+ break;
+ case ov7750_HORIZONTAL_OUTPUT_SIZE_HIGH_REG:
+ timings->sensor_output_width =
+ ((reg_table[j].val << 8) |
+ (timings->sensor_output_width & 0xff));
+ break;
+ case ov7750_HORIZONTAL_OUTPUT_SIZE_LOW_REG:
+ timings->sensor_output_width =
+ (reg_table[j].val |
+ (timings->sensor_output_width &
+ 0xff00));
+ break;
+ case ov7750_VERTICAL_OUTPUT_SIZE_HIGH_REG:
+ timings->sensor_output_height =
+ ((reg_table[j].val << 8) |
+ (timings->sensor_output_height & 0xff));
+ break;
+ case ov7750_VERTICAL_OUTPUT_SIZE_LOW_REG:
+ timings->sensor_output_height =
+ (reg_table[j].val |
+ (timings->sensor_output_height &
+ 0xff00));
+ break;
+ case ov7750_AEC_PK_LONG_EXPO_1ST_REG:
+ timings->exp_time =
+ ((reg_table[j].val) |
+ (timings->exp_time & 0xffff00));
+ break;
+ case ov7750_AEC_PK_LONG_EXPO_2ND_REG:
+ timings->exp_time =
+ ((reg_table[j].val << 8) |
+ (timings->exp_time & 0x00ff00));
+ break;
+ case ov7750_AEC_PK_LONG_EXPO_3RD_REG:
+ timings->exp_time =
+ (((reg_table[j].val & 0x0f) << 16) |
+ (timings->exp_time & 0xff0000));
+ break;
+ case ov7750_AEC_PK_LONG_GAIN_LOW_REG:
+ timings->gain =
+ (reg_table[j].val |
+ (timings->gain & 0x0700));
+ break;
+ case ov7750_AEC_PK_LONG_GAIN_HIGH_REG:
+ timings->gain =
+ (((reg_table[j].val & 0x07) << 8) |
+ (timings->gain & 0xff));
+ break;
+ }
+ }
+
+ timings->exp_time >>= 4;
+ timings->vt_pix_clk_freq_hz =
+ config->frm_intrvl.interval.denominator
+ * timings->frame_length_lines
+ * timings->line_length_pck;
+
+ timings->coarse_integration_time_min =
+ ov7750_COARSE_INTG_TIME_MIN;
+ timings->coarse_integration_time_max_margin =
+ ov7750_COARSE_INTG_TIME_MAX_MARGIN;
+
+ /* OV Sensor do not use fine integration time. */
+ timings->fine_integration_time_min =
+ ov7750_FINE_INTG_TIME_MIN;
+ timings->fine_integration_time_max_margin =
+ ov7750_FINE_INTG_TIME_MAX_MARGIN;
+ }
+
+ return 0;
+}
+
+static int ov7750_g_timings(struct ov_camera_module *cam_mod,
+ struct ov_camera_module_timings *timings)
+{
+ int ret = 0;
+ unsigned int vts;
+
+ if (IS_ERR_OR_NULL(cam_mod->active_config))
+ goto err;
+
+ *timings = cam_mod->active_config->timings;
+
+ vts = (!cam_mod->vts_cur) ?
+ timings->frame_length_lines :
+ cam_mod->vts_cur;
+ if (cam_mod->frm_intrvl_valid)
+ timings->vt_pix_clk_freq_hz =
+ cam_mod->frm_intrvl.interval.denominator *
+ vts * timings->line_length_pck;
+ else
+ timings->vt_pix_clk_freq_hz =
+ cam_mod->active_config->frm_intrvl.interval.denominator *
+ vts * timings->line_length_pck;
+
+ return ret;
+err:
+ ov_camera_module_pr_err(cam_mod,
+ "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_s_ctrl(struct ov_camera_module *cam_mod, u32 ctrl_id)
+{
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod, "\n");
+
+ switch (ctrl_id) {
+ case V4L2_CID_GAIN:
+ case V4L2_CID_EXPOSURE:
+ ret = ov7750_write_aec(cam_mod);
+ break;
+ case V4L2_CID_FLASH_LED_MODE:
+ /* nothing to be done here */
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (IS_ERR_VALUE(ret))
+ ov_camera_module_pr_debug(cam_mod,
+ "failed with error (%d) 0x%x\n", ret, ctrl_id);
+ return ret;
+}
+
+static int ov7750_s_ext_ctrls(struct ov_camera_module *cam_mod,
+ struct ov_camera_module_ext_ctrls *ctrls)
+{
+ int ret = 0;
+
+ /* Handles only exposure and gain together special case. */
+ if (ctrls->count == 1)
+ ret = ov7750_s_ctrl(cam_mod, ctrls->ctrls[0].id);
+ else if ((ctrls->count == 3) &&
+ ((ctrls->ctrls[0].id == V4L2_CID_GAIN &&
+ ctrls->ctrls[1].id == V4L2_CID_EXPOSURE) ||
+ (ctrls->ctrls[1].id == V4L2_CID_GAIN &&
+ ctrls->ctrls[0].id == V4L2_CID_EXPOSURE)))
+ ret = ov7750_write_aec(cam_mod);
+ else
+ ret = -EINVAL;
+
+ if (IS_ERR_VALUE(ret))
+ ov_camera_module_pr_debug(cam_mod,
+ "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_set_flip(
+ struct ov_camera_module *cam_mod,
+ struct pltfrm_camera_module_reg reglist[],
+ int len)
+{
+ int i, mode = 0;
+ u16 match_reg[2];
+
+ mode = ov_camera_module_get_flip_mirror(cam_mod);
+ if (mode == -1) {
+ ov_camera_module_pr_info(cam_mod,
+ "dts don't set flip, return!\n");
+ return 0;
+ }
+
+ if (!IS_ERR_OR_NULL(cam_mod->active_config)) {
+ switch (cam_mod->active_config->frm_fmt.width) {
+ case ov7750_FULL_SIZE_RESOLUTION_WIDTH:
+ if (mode == OV_FLIP_BIT_MASK) {
+ match_reg[0] = 0x06;
+ match_reg[1] = 0x00;
+ } else if (mode == OV_MIRROR_BIT_MASK) {
+ match_reg[0] = 0x00;
+ match_reg[1] = 0x06;
+ } else if (mode == (OV_MIRROR_BIT_MASK |
+ OV_FLIP_BIT_MASK)) {
+ match_reg[0] = 0x06;
+ match_reg[1] = 0x06;
+ } else {
+ match_reg[0] = 0x00;
+ match_reg[1] = 0x00;
+ }
+ break;
+ case ov7750_BINING_SIZE_RESOLUTION_WIDTH:
+ if (mode == OV_FLIP_BIT_MASK) {
+ match_reg[0] = 0x16;
+ match_reg[1] = 0x01;
+ } else if (mode == OV_MIRROR_BIT_MASK) {
+ match_reg[0] = 0x16;
+ match_reg[1] = 0x07;
+ } else if (mode == (OV_MIRROR_BIT_MASK |
+ OV_FLIP_BIT_MASK)) {
+ match_reg[0] = 0x16;
+ match_reg[1] = 0x07;
+ } else {
+ match_reg[0] = 0x10;
+ match_reg[1] = 0x01;
+ }
+ break;
+ default:
+ return 0;
+ }
+
+ for (i = len; i > 0; i--) {
+ if (reglist[i].reg == ov7750_FLIP_REG)
+ reglist[i].val = match_reg[0];
+ else if (reglist[i].reg == ov7750_MIRROR_REG)
+ reglist[i].val = match_reg[1];
+ }
+ }
+
+ return 0;
+}
+
+static int ov7750_start_streaming(struct ov_camera_module *cam_mod)
+{
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod,
+ "active config=%s\n", cam_mod->active_config->name);
+
+ ret = ov7750_g_VTS(cam_mod, &cam_mod->vts_min);
+ if (IS_ERR_VALUE(ret))
+ goto err;
+
+ if (IS_ERR_VALUE(ov_camera_module_write_reg(cam_mod, 0x0100, 1)))
+ goto err;
+
+ msleep(25);
+
+ return 0;
+err:
+ ov_camera_module_pr_err(cam_mod, "failed with error (%d)\n",
+ ret);
+ return ret;
+}
+
+static int ov7750_stop_streaming(struct ov_camera_module *cam_mod)
+{
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod, "\n");
+
+ ret = ov_camera_module_write_reg(cam_mod, 0x0100, 0);
+ if (IS_ERR_VALUE(ret))
+ goto err;
+
+ msleep(25);
+
+ return 0;
+err:
+ ov_camera_module_pr_err(cam_mod, "failed with error (%d)\n", ret);
+ return ret;
+}
+
+static int ov7750_check_camera_id(struct ov_camera_module *cam_mod)
+{
+ u32 pidh, pidl;
+ int ret = 0;
+
+ ov_camera_module_pr_debug(cam_mod, "\n");
+
+ ret |= ov_camera_module_read_reg(cam_mod, 1, ov7750_PIDH_ADDR, &pidh);
+ ret |= ov_camera_module_read_reg(cam_mod, 1, ov7750_PIDL_ADDR, &pidl);
+ if (IS_ERR_VALUE(ret)) {
+ ov_camera_module_pr_err(cam_mod,
+ "register read failed, camera module powered off?\n");
+ goto err;
+ }
+
+ if ((pidh == ov7750_PIDH_MAGIC) && (pidl == ov7750_PIDL_MAGIC)) {
+ ov_camera_module_pr_err(cam_mod,
+ "successfully detected camera ID 0x%02x%02x\n",
+ pidh, pidl);
+ } else {
+ ov_camera_module_pr_err(cam_mod,
+ "wrong camera ID, expected 0x%02x%02x, detected 0x%02x%02x\n",
+ ov7750_PIDH_MAGIC, ov7750_PIDL_MAGIC, pidh, pidl);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ return 0;
+err:
+ ov_camera_module_pr_err(cam_mod, "failed with error (%d)\n", ret);
+ return ret;
+}
+
+/* ======================================================================== */
+/* This part is platform dependent */
+/* ======================================================================== */
+
+static struct v4l2_subdev_core_ops ov7750_camera_module_core_ops = {
+ .g_ctrl = ov_camera_module_g_ctrl,
+ .s_ctrl = ov_camera_module_s_ctrl,
+ .s_ext_ctrls = ov_camera_module_s_ext_ctrls,
+ .s_power = ov_camera_module_s_power,
+ .ioctl = ov_camera_module_ioctl
+};
+
+static struct v4l2_subdev_video_ops ov7750_camera_module_video_ops = {
+ .s_frame_interval = ov_camera_module_s_frame_interval,
+ .s_stream = ov_camera_module_s_stream
+};
+
+static struct v4l2_subdev_pad_ops ov7750_camera_module_pad_ops = {
+ .enum_frame_interval = ov_camera_module_enum_frameintervals,
+ .get_fmt = ov_camera_module_g_fmt,
+ .set_fmt = ov_camera_module_s_fmt,
+};
+
+static struct v4l2_subdev_ops ov7750_camera_module_ops = {
+ .core = &ov7750_camera_module_core_ops,
+ .video = &ov7750_camera_module_video_ops,
+ .pad = &ov7750_camera_module_pad_ops
+};
+
+static struct ov_camera_module_custom_config ov7750_custom_config = {
+ .start_streaming = ov7750_start_streaming,
+ .stop_streaming = ov7750_stop_streaming,
+ .s_ctrl = ov7750_s_ctrl,
+ .s_ext_ctrls = ov7750_s_ext_ctrls,
+ .g_ctrl = ov7750_g_ctrl,
+ .g_timings = ov7750_g_timings,
+ .check_camera_id = ov7750_check_camera_id,
+ .set_flip = ov7750_set_flip,
+ .configs = ov7750_configs,
+ .num_configs = ARRAY_SIZE(ov7750_configs),
+ .power_up_delays_ms = {5, 20, 0}
+};
+
+static int ov7750_probe(
+ struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ dev_info(&client->dev, "probing...\n");
+
+ ov7750_filltimings(&ov7750_custom_config);
+ v4l2_i2c_subdev_init(&ov7750.sd, client, &ov7750_camera_module_ops);
+
+ ov7750.custom = ov7750_custom_config;
+
+ dev_info(&client->dev, "probing successful\n");
+ return 0;
+}
+
+static int ov7750_remove(struct i2c_client *client)
+{
+ struct ov_camera_module *cam_mod = i2c_get_clientdata(client);
+
+ dev_info(&client->dev, "removing device...\n");
+
+ if (!client->adapter)
+ return -ENODEV; /* our client isn't attached */
+
+ ov_camera_module_release(cam_mod);
+
+ dev_info(&client->dev, "removed\n");
+ return 0;
+}
+
+static const struct i2c_device_id ov7750_id[] = {
+ { ov7750_DRIVER_NAME, 0 },
+ { }
+};
+
+static const struct of_device_id ov7750_of_match[] = {
+ {.compatible = "ovti,ov7750-v4l2-i2c-subdev"},
+ {},
+};
+
+MODULE_DEVICE_TABLE(i2c, ov7750_id);
+
+static struct i2c_driver ov7750_i2c_driver = {
+ .driver = {
+ .name = ov7750_DRIVER_NAME,
+ .of_match_table = ov7750_of_match
+ },
+ .probe = ov7750_probe,
+ .remove = ov7750_remove,
+ .id_table = ov7750_id,
+};
+
+module_i2c_driver(ov7750_i2c_driver);
+
+MODULE_DESCRIPTION("SoC Camera driver for ov7750");
+MODULE_AUTHOR("Jacob");
+MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / commitdiff