1532 lines
34 KiB
C
1532 lines
34 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2022 Intel Corporation.
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#include <linux/acpi.h>
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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/module.h>
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#include <linux/pm_runtime.h>
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#include <linux/regulator/consumer.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-fwnode.h>
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#define OV08D10_SCLK 144000000ULL
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#define OV08D10_XVCLK_19_2 19200000
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#define OV08D10_ROWCLK 36000
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#define OV08D10_DATA_LANES 2
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#define OV08D10_RGB_DEPTH 10
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#define OV08D10_REG_PAGE 0xfd
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#define OV08D10_REG_GLOBAL_EFFECTIVE 0x01
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#define OV08D10_REG_CHIP_ID_0 0x00
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#define OV08D10_REG_CHIP_ID_1 0x01
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#define OV08D10_ID_MASK GENMASK(15, 0)
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#define OV08D10_CHIP_ID 0x5608
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#define OV08D10_REG_MODE_SELECT 0xa0
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#define OV08D10_MODE_STANDBY 0x00
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#define OV08D10_MODE_STREAMING 0x01
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/* vertical-timings from sensor */
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#define OV08D10_REG_VTS_H 0x05
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#define OV08D10_REG_VTS_L 0x06
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#define OV08D10_VTS_MAX 0x7fff
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/* Exposure controls from sensor */
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#define OV08D10_REG_EXPOSURE_H 0x02
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#define OV08D10_REG_EXPOSURE_M 0x03
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#define OV08D10_REG_EXPOSURE_L 0x04
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#define OV08D10_EXPOSURE_MIN 6
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#define OV08D10_EXPOSURE_MAX_MARGIN 6
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#define OV08D10_EXPOSURE_STEP 1
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/* Analog gain controls from sensor */
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#define OV08D10_REG_ANALOG_GAIN 0x24
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#define OV08D10_ANAL_GAIN_MIN 128
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#define OV08D10_ANAL_GAIN_MAX 2047
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#define OV08D10_ANAL_GAIN_STEP 1
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/* Digital gain controls from sensor */
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#define OV08D10_REG_MWB_DGAIN_C 0x21
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#define OV08D10_REG_MWB_DGAIN_F 0x22
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#define OV08D10_DGTL_GAIN_MIN 0
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#define OV08D10_DGTL_GAIN_MAX 4095
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#define OV08D10_DGTL_GAIN_STEP 1
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#define OV08D10_DGTL_GAIN_DEFAULT 1024
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/* Test Pattern Control */
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#define OV08D10_REG_TEST_PATTERN 0x12
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#define OV08D10_TEST_PATTERN_ENABLE 0x01
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#define OV08D10_TEST_PATTERN_DISABLE 0x00
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/* Flip Mirror Controls from sensor */
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#define OV08D10_REG_FLIP_OPT 0x32
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#define OV08D10_REG_FLIP_MASK 0x3
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#define to_ov08d10(_sd) container_of(_sd, struct ov08d10, sd)
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struct ov08d10_reg {
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u8 address;
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u8 val;
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};
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struct ov08d10_reg_list {
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u32 num_of_regs;
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const struct ov08d10_reg *regs;
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};
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struct ov08d10_link_freq_config {
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const struct ov08d10_reg_list reg_list;
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};
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struct ov08d10_mode {
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/* Frame width in pixels */
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u32 width;
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/* Frame height in pixels */
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u32 height;
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/* Horizontal timining size */
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u32 hts;
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/* Default vertical timining size */
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u32 vts_def;
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/* Min vertical timining size */
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u32 vts_min;
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/* Link frequency needed for this resolution */
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u32 link_freq_index;
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/* Sensor register settings for this resolution */
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const struct ov08d10_reg_list reg_list;
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/* Number of data lanes */
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u8 data_lanes;
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};
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/* 3280x2460, 3264x2448 need 720Mbps/lane, 2 lanes */
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static const struct ov08d10_reg mipi_data_rate_720mbps[] = {
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{0xfd, 0x00},
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{0x11, 0x2a},
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{0x14, 0x43},
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{0x1a, 0x04},
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{0x1b, 0xe1},
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{0x1e, 0x13},
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{0xb7, 0x02}
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};
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/* 1632x1224 needs 360Mbps/lane, 2 lanes */
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static const struct ov08d10_reg mipi_data_rate_360mbps[] = {
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{0xfd, 0x00},
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{0x1a, 0x04},
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{0x1b, 0xe1},
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{0x1d, 0x00},
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{0x1c, 0x19},
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{0x11, 0x2a},
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{0x14, 0x54},
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{0x1e, 0x13},
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{0xb7, 0x02}
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};
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static const struct ov08d10_reg lane_2_mode_3280x2460[] = {
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/* 3280x2460 resolution */
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{0xfd, 0x01},
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{0x12, 0x00},
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{0x03, 0x12},
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{0x04, 0x58},
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{0x07, 0x05},
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{0x21, 0x02},
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{0x24, 0x30},
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{0x33, 0x03},
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{0x01, 0x03},
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{0x19, 0x10},
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{0x42, 0x55},
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{0x43, 0x00},
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{0x47, 0x07},
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{0x48, 0x08},
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{0xb2, 0x7f},
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{0xb3, 0x7b},
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{0xbd, 0x08},
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{0xd2, 0x57},
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{0xd3, 0x10},
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{0xd4, 0x08},
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{0xd5, 0x08},
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{0xd6, 0x06},
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{0xb1, 0x00},
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{0xb4, 0x00},
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{0xb7, 0x0a},
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{0xbc, 0x44},
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{0xbf, 0x48},
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{0xc1, 0x10},
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{0xc3, 0x24},
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{0xc8, 0x03},
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{0xc9, 0xf8},
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{0xe1, 0x33},
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{0xe2, 0xbb},
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{0x51, 0x0c},
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{0x52, 0x0a},
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{0x57, 0x8c},
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{0x59, 0x09},
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{0x5a, 0x08},
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{0x5e, 0x10},
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{0x60, 0x02},
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{0x6d, 0x5c},
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{0x76, 0x16},
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{0x7c, 0x11},
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{0x90, 0x28},
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{0x91, 0x16},
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{0x92, 0x1c},
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{0x93, 0x24},
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{0x95, 0x48},
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{0x9c, 0x06},
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{0xca, 0x0c},
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{0xce, 0x0d},
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{0xfd, 0x01},
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{0xc0, 0x00},
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{0xdd, 0x18},
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{0xde, 0x19},
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{0xdf, 0x32},
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{0xe0, 0x70},
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{0xfd, 0x01},
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{0xc2, 0x05},
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{0xd7, 0x88},
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{0xd8, 0x77},
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{0xd9, 0x00},
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{0xfd, 0x07},
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{0x00, 0xf8},
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{0x01, 0x2b},
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{0x05, 0x40},
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{0x08, 0x06},
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{0x09, 0x11},
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{0x28, 0x6f},
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{0x2a, 0x20},
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{0x2b, 0x05},
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{0x5e, 0x10},
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{0x52, 0x00},
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{0x53, 0x7c},
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{0x54, 0x00},
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{0x55, 0x7c},
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{0x56, 0x00},
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{0x57, 0x7c},
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{0x58, 0x00},
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{0x59, 0x7c},
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{0xfd, 0x02},
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{0x9a, 0x30},
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{0xa8, 0x02},
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{0xfd, 0x02},
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{0xa1, 0x01},
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{0xa2, 0x09},
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{0xa3, 0x9c},
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{0xa5, 0x00},
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{0xa6, 0x0c},
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{0xa7, 0xd0},
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{0xfd, 0x00},
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{0x24, 0x01},
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{0xc0, 0x16},
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{0xc1, 0x08},
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{0xc2, 0x30},
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{0x8e, 0x0c},
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{0x8f, 0xd0},
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{0x90, 0x09},
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{0x91, 0x9c},
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{0xfd, 0x05},
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{0x04, 0x40},
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{0x07, 0x00},
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{0x0d, 0x01},
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{0x0f, 0x01},
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{0x10, 0x00},
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{0x11, 0x00},
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{0x12, 0x0c},
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{0x13, 0xcf},
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{0x14, 0x00},
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{0x15, 0x00},
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{0xfd, 0x00},
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{0x20, 0x0f},
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{0xe7, 0x03},
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{0xe7, 0x00}
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};
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static const struct ov08d10_reg lane_2_mode_3264x2448[] = {
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/* 3264x2448 resolution */
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{0xfd, 0x01},
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{0x12, 0x00},
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{0x03, 0x12},
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{0x04, 0x58},
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{0x07, 0x05},
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{0x21, 0x02},
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{0x24, 0x30},
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{0x33, 0x03},
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{0x01, 0x03},
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{0x19, 0x10},
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{0x42, 0x55},
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{0x43, 0x00},
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{0x47, 0x07},
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{0x48, 0x08},
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{0xb2, 0x7f},
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{0xb3, 0x7b},
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{0xbd, 0x08},
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{0xd2, 0x57},
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{0xd3, 0x10},
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{0xd4, 0x08},
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{0xd5, 0x08},
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{0xd6, 0x06},
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{0xb1, 0x00},
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{0xb4, 0x00},
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{0xb7, 0x0a},
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{0xbc, 0x44},
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{0xbf, 0x48},
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{0xc1, 0x10},
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{0xc3, 0x24},
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{0xc8, 0x03},
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{0xc9, 0xf8},
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{0xe1, 0x33},
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{0xe2, 0xbb},
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{0x51, 0x0c},
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{0x52, 0x0a},
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{0x57, 0x8c},
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{0x59, 0x09},
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{0x5a, 0x08},
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{0x5e, 0x10},
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{0x60, 0x02},
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{0x6d, 0x5c},
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{0x76, 0x16},
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{0x7c, 0x11},
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{0x90, 0x28},
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{0x91, 0x16},
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{0x92, 0x1c},
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{0x93, 0x24},
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{0x95, 0x48},
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{0x9c, 0x06},
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{0xca, 0x0c},
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{0xce, 0x0d},
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{0xfd, 0x01},
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{0xc0, 0x00},
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{0xdd, 0x18},
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{0xde, 0x19},
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{0xdf, 0x32},
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{0xe0, 0x70},
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{0xfd, 0x01},
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{0xc2, 0x05},
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{0xd7, 0x88},
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{0xd8, 0x77},
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{0xd9, 0x00},
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{0xfd, 0x07},
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{0x00, 0xf8},
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{0x01, 0x2b},
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{0x05, 0x40},
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{0x08, 0x06},
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{0x09, 0x11},
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{0x28, 0x6f},
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{0x2a, 0x20},
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{0x2b, 0x05},
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{0x5e, 0x10},
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{0x52, 0x00},
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{0x53, 0x7c},
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{0x54, 0x00},
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{0x55, 0x7c},
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{0x56, 0x00},
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{0x57, 0x7c},
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{0x58, 0x00},
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{0x59, 0x7c},
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{0xfd, 0x02},
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{0x9a, 0x30},
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{0xa8, 0x02},
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{0xfd, 0x02},
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{0xa1, 0x09},
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{0xa2, 0x09},
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{0xa3, 0x90},
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{0xa5, 0x08},
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{0xa6, 0x0c},
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{0xa7, 0xc0},
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{0xfd, 0x00},
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{0x24, 0x01},
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{0xc0, 0x16},
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{0xc1, 0x08},
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{0xc2, 0x30},
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{0x8e, 0x0c},
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{0x8f, 0xc0},
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{0x90, 0x09},
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{0x91, 0x90},
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{0xfd, 0x05},
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{0x04, 0x40},
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{0x07, 0x00},
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{0x0d, 0x01},
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{0x0f, 0x01},
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{0x10, 0x00},
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{0x11, 0x00},
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{0x12, 0x0c},
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{0x13, 0xcf},
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{0x14, 0x00},
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{0x15, 0x00},
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{0xfd, 0x00},
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{0x20, 0x0f},
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{0xe7, 0x03},
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{0xe7, 0x00}
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};
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static const struct ov08d10_reg lane_2_mode_1632x1224[] = {
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/* 1640x1232 resolution */
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{0xfd, 0x01},
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{0x1a, 0x0a},
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{0x1b, 0x08},
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{0x2a, 0x01},
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{0x2b, 0x9a},
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{0xfd, 0x01},
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{0x12, 0x00},
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{0x03, 0x05},
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{0x04, 0xe2},
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{0x07, 0x05},
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{0x21, 0x02},
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{0x24, 0x30},
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{0x33, 0x03},
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{0x31, 0x06},
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{0x33, 0x03},
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{0x01, 0x03},
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{0x19, 0x10},
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{0x42, 0x55},
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{0x43, 0x00},
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{0x47, 0x07},
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{0x48, 0x08},
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{0xb2, 0x7f},
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{0xb3, 0x7b},
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{0xbd, 0x08},
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{0xd2, 0x57},
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{0xd3, 0x10},
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{0xd4, 0x08},
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{0xd5, 0x08},
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{0xd6, 0x06},
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{0xb1, 0x00},
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{0xb4, 0x00},
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{0xb7, 0x0a},
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{0xbc, 0x44},
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{0xbf, 0x48},
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{0xc1, 0x10},
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{0xc3, 0x24},
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{0xc8, 0x03},
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{0xc9, 0xf8},
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{0xe1, 0x33},
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{0xe2, 0xbb},
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{0x51, 0x0c},
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{0x52, 0x0a},
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{0x57, 0x8c},
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{0x59, 0x09},
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{0x5a, 0x08},
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{0x5e, 0x10},
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{0x60, 0x02},
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{0x6d, 0x5c},
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{0x76, 0x16},
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{0x7c, 0x1a},
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{0x90, 0x28},
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{0x91, 0x16},
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{0x92, 0x1c},
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{0x93, 0x24},
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{0x95, 0x48},
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{0x9c, 0x06},
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{0xca, 0x0c},
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{0xce, 0x0d},
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{0xfd, 0x01},
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{0xc0, 0x00},
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{0xdd, 0x18},
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{0xde, 0x19},
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{0xdf, 0x32},
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{0xe0, 0x70},
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{0xfd, 0x01},
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{0xc2, 0x05},
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{0xd7, 0x88},
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{0xd8, 0x77},
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{0xd9, 0x00},
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{0xfd, 0x07},
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{0x00, 0xf8},
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{0x01, 0x2b},
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{0x05, 0x40},
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{0x08, 0x03},
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{0x09, 0x08},
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{0x28, 0x6f},
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{0x2a, 0x20},
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{0x2b, 0x05},
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{0x2c, 0x01},
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{0x50, 0x02},
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{0x51, 0x03},
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{0x5e, 0x00},
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{0x52, 0x00},
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{0x53, 0x7c},
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{0x54, 0x00},
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{0x55, 0x7c},
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{0x56, 0x00},
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{0x57, 0x7c},
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{0x58, 0x00},
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{0x59, 0x7c},
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{0xfd, 0x02},
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{0x9a, 0x30},
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{0xa8, 0x02},
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{0xfd, 0x02},
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{0xa9, 0x04},
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{0xaa, 0xd0},
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{0xab, 0x06},
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{0xac, 0x68},
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{0xa1, 0x09},
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{0xa2, 0x04},
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{0xa3, 0xc8},
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{0xa5, 0x04},
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{0xa6, 0x06},
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|
{0xa7, 0x60},
|
|
{0xfd, 0x05},
|
|
{0x06, 0x80},
|
|
{0x18, 0x06},
|
|
{0x19, 0x68},
|
|
{0xfd, 0x00},
|
|
{0x24, 0x01},
|
|
{0xc0, 0x16},
|
|
{0xc1, 0x08},
|
|
{0xc2, 0x30},
|
|
{0x8e, 0x06},
|
|
{0x8f, 0x60},
|
|
{0x90, 0x04},
|
|
{0x91, 0xc8},
|
|
{0x93, 0x0e},
|
|
{0x94, 0x77},
|
|
{0x95, 0x77},
|
|
{0x96, 0x10},
|
|
{0x98, 0x88},
|
|
{0x9c, 0x1a},
|
|
{0xfd, 0x05},
|
|
{0x04, 0x40},
|
|
{0x07, 0x99},
|
|
{0x0d, 0x03},
|
|
{0x0f, 0x03},
|
|
{0x10, 0x00},
|
|
{0x11, 0x00},
|
|
{0x12, 0x0c},
|
|
{0x13, 0xcf},
|
|
{0x14, 0x00},
|
|
{0x15, 0x00},
|
|
{0xfd, 0x00},
|
|
{0x20, 0x0f},
|
|
{0xe7, 0x03},
|
|
{0xe7, 0x00},
|
|
};
|
|
|
|
static const char * const ov08d10_test_pattern_menu[] = {
|
|
"Disabled",
|
|
"Standard Color Bar",
|
|
};
|
|
|
|
struct ov08d10 {
|
|
struct v4l2_subdev sd;
|
|
struct media_pad pad;
|
|
struct v4l2_ctrl_handler ctrl_handler;
|
|
|
|
struct clk *xvclk;
|
|
|
|
/* V4L2 Controls */
|
|
struct v4l2_ctrl *link_freq;
|
|
struct v4l2_ctrl *pixel_rate;
|
|
struct v4l2_ctrl *vblank;
|
|
struct v4l2_ctrl *hblank;
|
|
struct v4l2_ctrl *vflip;
|
|
struct v4l2_ctrl *hflip;
|
|
struct v4l2_ctrl *exposure;
|
|
|
|
/* Current mode */
|
|
const struct ov08d10_mode *cur_mode;
|
|
|
|
/* To serialize asynchronus callbacks */
|
|
struct mutex mutex;
|
|
|
|
/* Streaming on/off */
|
|
bool streaming;
|
|
|
|
/* lanes index */
|
|
u8 nlanes;
|
|
|
|
const struct ov08d10_lane_cfg *priv_lane;
|
|
u8 modes_size;
|
|
};
|
|
|
|
struct ov08d10_lane_cfg {
|
|
const s64 link_freq_menu[2];
|
|
const struct ov08d10_link_freq_config link_freq_configs[2];
|
|
const struct ov08d10_mode sp_modes[3];
|
|
};
|
|
|
|
static const struct ov08d10_lane_cfg lane_cfg_2 = {
|
|
{
|
|
720000000,
|
|
360000000,
|
|
},
|
|
{{
|
|
.reg_list = {
|
|
.num_of_regs =
|
|
ARRAY_SIZE(mipi_data_rate_720mbps),
|
|
.regs = mipi_data_rate_720mbps,
|
|
}
|
|
},
|
|
{
|
|
.reg_list = {
|
|
.num_of_regs =
|
|
ARRAY_SIZE(mipi_data_rate_360mbps),
|
|
.regs = mipi_data_rate_360mbps,
|
|
}
|
|
}},
|
|
{{
|
|
.width = 3280,
|
|
.height = 2460,
|
|
.hts = 1840,
|
|
.vts_def = 2504,
|
|
.vts_min = 2504,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(lane_2_mode_3280x2460),
|
|
.regs = lane_2_mode_3280x2460,
|
|
},
|
|
.link_freq_index = 0,
|
|
.data_lanes = 2,
|
|
},
|
|
{
|
|
.width = 3264,
|
|
.height = 2448,
|
|
.hts = 1840,
|
|
.vts_def = 2504,
|
|
.vts_min = 2504,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(lane_2_mode_3264x2448),
|
|
.regs = lane_2_mode_3264x2448,
|
|
},
|
|
.link_freq_index = 0,
|
|
.data_lanes = 2,
|
|
},
|
|
{
|
|
.width = 1632,
|
|
.height = 1224,
|
|
.hts = 1912,
|
|
.vts_def = 3736,
|
|
.vts_min = 3736,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(lane_2_mode_1632x1224),
|
|
.regs = lane_2_mode_1632x1224,
|
|
},
|
|
.link_freq_index = 1,
|
|
.data_lanes = 2,
|
|
}}
|
|
};
|
|
|
|
static u32 ov08d10_get_format_code(struct ov08d10 *ov08d10)
|
|
{
|
|
static const u32 codes[2][2] = {
|
|
{ MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10},
|
|
{ MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10},
|
|
};
|
|
|
|
return codes[ov08d10->vflip->val][ov08d10->hflip->val];
|
|
}
|
|
|
|
static unsigned int ov08d10_modes_num(const struct ov08d10 *ov08d10)
|
|
{
|
|
unsigned int i, count = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ov08d10->priv_lane->sp_modes); i++) {
|
|
if (ov08d10->priv_lane->sp_modes[i].width == 0)
|
|
break;
|
|
count++;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static u64 to_rate(const s64 *link_freq_menu,
|
|
u32 f_index, u8 nlanes)
|
|
{
|
|
u64 pixel_rate = link_freq_menu[f_index] * 2 * nlanes;
|
|
|
|
do_div(pixel_rate, OV08D10_RGB_DEPTH);
|
|
|
|
return pixel_rate;
|
|
}
|
|
|
|
static u64 to_pixels_per_line(const s64 *link_freq_menu, u32 hts,
|
|
u32 f_index, u8 nlanes)
|
|
{
|
|
u64 ppl = hts * to_rate(link_freq_menu, f_index, nlanes);
|
|
|
|
do_div(ppl, OV08D10_SCLK);
|
|
|
|
return ppl;
|
|
}
|
|
|
|
static int ov08d10_write_reg_list(struct ov08d10 *ov08d10,
|
|
const struct ov08d10_reg_list *r_list)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
unsigned int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < r_list->num_of_regs; i++) {
|
|
ret = i2c_smbus_write_byte_data(client, r_list->regs[i].address,
|
|
r_list->regs[i].val);
|
|
if (ret) {
|
|
dev_err_ratelimited(&client->dev,
|
|
"failed to write reg 0x%2.2x. error = %d",
|
|
r_list->regs[i].address, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_update_analog_gain(struct ov08d10 *ov08d10, u32 a_gain)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
int ret;
|
|
|
|
val = ((a_gain >> 3) & 0xFF);
|
|
/* CIS control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* update AGAIN */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_ANALOG_GAIN, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_update_digital_gain(struct ov08d10 *ov08d10, u32 d_gain)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
int ret;
|
|
|
|
d_gain = (d_gain >> 1);
|
|
/* CIS control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = ((d_gain >> 8) & 0x3F);
|
|
/* update DGAIN */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MWB_DGAIN_C, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = d_gain & 0xFF;
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MWB_DGAIN_F, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_set_exposure(struct ov08d10 *ov08d10, u32 exposure)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
u8 hts_h, hts_l;
|
|
u32 hts, cur_vts, exp_cal;
|
|
int ret;
|
|
|
|
cur_vts = ov08d10->cur_mode->vts_def;
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
hts_h = i2c_smbus_read_byte_data(client, 0x37);
|
|
hts_l = i2c_smbus_read_byte_data(client, 0x38);
|
|
hts = ((hts_h << 8) | (hts_l));
|
|
exp_cal = 66 * OV08D10_ROWCLK / hts;
|
|
exposure = exposure * exp_cal / (cur_vts - OV08D10_EXPOSURE_MAX_MARGIN);
|
|
/* CIS control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* update exposure */
|
|
val = ((exposure >> 16) & 0xFF);
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_H, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = ((exposure >> 8) & 0xFF);
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_M, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = exposure & 0xFF;
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_L, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_set_vblank(struct ov08d10 *ov08d10, u32 vblank)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
int ret;
|
|
|
|
/* CIS control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = ((vblank >> 8) & 0xFF);
|
|
/* update vblank */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_VTS_H, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = vblank & 0xFF;
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_VTS_L, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_test_pattern(struct ov08d10 *ov08d10, u32 pattern)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
int ret;
|
|
|
|
if (pattern)
|
|
val = OV08D10_TEST_PATTERN_ENABLE;
|
|
else
|
|
val = OV08D10_TEST_PATTERN_DISABLE;
|
|
|
|
/* CIS control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_TEST_PATTERN, val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_set_ctrl_flip(struct ov08d10 *ov08d10, u32 ctrl_val)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u8 val;
|
|
int ret;
|
|
|
|
/* System control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_read_byte_data(client, OV08D10_REG_FLIP_OPT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = ret | (ctrl_val & OV08D10_REG_FLIP_MASK);
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_FLIP_OPT, val);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client,
|
|
OV08D10_REG_GLOBAL_EFFECTIVE, 0x01);
|
|
}
|
|
|
|
static int ov08d10_set_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct ov08d10 *ov08d10 = container_of(ctrl->handler,
|
|
struct ov08d10, ctrl_handler);
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
s64 exposure_max;
|
|
int ret;
|
|
|
|
/* Propagate change of current control to all related controls */
|
|
if (ctrl->id == V4L2_CID_VBLANK) {
|
|
/* Update max exposure while meeting expected vblanking */
|
|
exposure_max = ov08d10->cur_mode->height + ctrl->val -
|
|
OV08D10_EXPOSURE_MAX_MARGIN;
|
|
__v4l2_ctrl_modify_range(ov08d10->exposure,
|
|
ov08d10->exposure->minimum,
|
|
exposure_max, ov08d10->exposure->step,
|
|
exposure_max);
|
|
}
|
|
|
|
/* V4L2 controls values will be applied only when power is already up */
|
|
if (!pm_runtime_get_if_in_use(&client->dev))
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_ANALOGUE_GAIN:
|
|
ret = ov08d10_update_analog_gain(ov08d10, ctrl->val);
|
|
break;
|
|
|
|
case V4L2_CID_DIGITAL_GAIN:
|
|
ret = ov08d10_update_digital_gain(ov08d10, ctrl->val);
|
|
break;
|
|
|
|
case V4L2_CID_EXPOSURE:
|
|
ret = ov08d10_set_exposure(ov08d10, ctrl->val);
|
|
break;
|
|
|
|
case V4L2_CID_VBLANK:
|
|
ret = ov08d10_set_vblank(ov08d10, ctrl->val);
|
|
break;
|
|
|
|
case V4L2_CID_TEST_PATTERN:
|
|
ret = ov08d10_test_pattern(ov08d10, ctrl->val);
|
|
break;
|
|
|
|
case V4L2_CID_HFLIP:
|
|
case V4L2_CID_VFLIP:
|
|
ret = ov08d10_set_ctrl_flip(ov08d10,
|
|
ov08d10->hflip->val |
|
|
ov08d10->vflip->val << 1);
|
|
break;
|
|
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
pm_runtime_put(&client->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops ov08d10_ctrl_ops = {
|
|
.s_ctrl = ov08d10_set_ctrl,
|
|
};
|
|
|
|
static int ov08d10_init_controls(struct ov08d10 *ov08d10)
|
|
{
|
|
struct v4l2_ctrl_handler *ctrl_hdlr;
|
|
u8 link_freq_size;
|
|
s64 exposure_max;
|
|
s64 vblank_def;
|
|
s64 vblank_min;
|
|
s64 h_blank;
|
|
s64 pixel_rate_max;
|
|
const struct ov08d10_mode *mode;
|
|
int ret;
|
|
|
|
ctrl_hdlr = &ov08d10->ctrl_handler;
|
|
ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ctrl_hdlr->lock = &ov08d10->mutex;
|
|
link_freq_size = ARRAY_SIZE(ov08d10->priv_lane->link_freq_menu);
|
|
ov08d10->link_freq =
|
|
v4l2_ctrl_new_int_menu(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_LINK_FREQ,
|
|
link_freq_size - 1,
|
|
0,
|
|
ov08d10->priv_lane->link_freq_menu);
|
|
if (ov08d10->link_freq)
|
|
ov08d10->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
pixel_rate_max = to_rate(ov08d10->priv_lane->link_freq_menu, 0,
|
|
ov08d10->cur_mode->data_lanes);
|
|
ov08d10->pixel_rate =
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_PIXEL_RATE, 0, pixel_rate_max, 1,
|
|
pixel_rate_max);
|
|
|
|
mode = ov08d10->cur_mode;
|
|
vblank_def = mode->vts_def - mode->height;
|
|
vblank_min = mode->vts_min - mode->height;
|
|
ov08d10->vblank =
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_VBLANK, vblank_min,
|
|
OV08D10_VTS_MAX - mode->height, 1,
|
|
vblank_def);
|
|
|
|
h_blank = to_pixels_per_line(ov08d10->priv_lane->link_freq_menu,
|
|
mode->hts, mode->link_freq_index,
|
|
mode->data_lanes) -
|
|
mode->width;
|
|
ov08d10->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_HBLANK, h_blank, h_blank,
|
|
1, h_blank);
|
|
if (ov08d10->hblank)
|
|
ov08d10->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
|
|
OV08D10_ANAL_GAIN_MIN, OV08D10_ANAL_GAIN_MAX,
|
|
OV08D10_ANAL_GAIN_STEP, OV08D10_ANAL_GAIN_MIN);
|
|
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
|
|
OV08D10_DGTL_GAIN_MIN, OV08D10_DGTL_GAIN_MAX,
|
|
OV08D10_DGTL_GAIN_STEP, OV08D10_DGTL_GAIN_DEFAULT);
|
|
|
|
exposure_max = mode->vts_def - OV08D10_EXPOSURE_MAX_MARGIN;
|
|
ov08d10->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_EXPOSURE,
|
|
OV08D10_EXPOSURE_MIN,
|
|
exposure_max,
|
|
OV08D10_EXPOSURE_STEP,
|
|
exposure_max);
|
|
|
|
v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(ov08d10_test_pattern_menu) - 1,
|
|
0, 0, ov08d10_test_pattern_menu);
|
|
|
|
ov08d10->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
|
if (ov08d10->hflip)
|
|
ov08d10->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
|
|
ov08d10->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops,
|
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
|
if (ov08d10->vflip)
|
|
ov08d10->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
|
|
|
|
if (ctrl_hdlr->error)
|
|
return ctrl_hdlr->error;
|
|
|
|
ov08d10->sd.ctrl_handler = ctrl_hdlr;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ov08d10_update_pad_format(struct ov08d10 *ov08d10,
|
|
const struct ov08d10_mode *mode,
|
|
struct v4l2_mbus_framefmt *fmt)
|
|
{
|
|
fmt->width = mode->width;
|
|
fmt->height = mode->height;
|
|
fmt->code = ov08d10_get_format_code(ov08d10);
|
|
fmt->field = V4L2_FIELD_NONE;
|
|
}
|
|
|
|
static int ov08d10_start_streaming(struct ov08d10 *ov08d10)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
const struct ov08d10_reg_list *reg_list;
|
|
int link_freq_index, ret;
|
|
|
|
link_freq_index = ov08d10->cur_mode->link_freq_index;
|
|
reg_list =
|
|
&ov08d10->priv_lane->link_freq_configs[link_freq_index].reg_list;
|
|
|
|
/* soft reset */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to reset sensor");
|
|
return ret;
|
|
}
|
|
ret = i2c_smbus_write_byte_data(client, 0x20, 0x0e);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to reset sensor");
|
|
return ret;
|
|
}
|
|
usleep_range(3000, 4000);
|
|
ret = i2c_smbus_write_byte_data(client, 0x20, 0x0b);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to reset sensor");
|
|
return ret;
|
|
}
|
|
|
|
/* update sensor setting */
|
|
ret = ov08d10_write_reg_list(ov08d10, reg_list);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to set plls");
|
|
return ret;
|
|
}
|
|
|
|
reg_list = &ov08d10->cur_mode->reg_list;
|
|
ret = ov08d10_write_reg_list(ov08d10, reg_list);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to set mode");
|
|
return ret;
|
|
}
|
|
|
|
ret = __v4l2_ctrl_handler_setup(ov08d10->sd.ctrl_handler);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MODE_SELECT,
|
|
OV08D10_MODE_STREAMING);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
}
|
|
|
|
static void ov08d10_stop_streaming(struct ov08d10 *ov08d10)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
int ret;
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to stop streaming");
|
|
return;
|
|
}
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MODE_SELECT,
|
|
OV08D10_MODE_STANDBY);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to stop streaming");
|
|
return;
|
|
}
|
|
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to stop streaming");
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int ov08d10_set_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
if (ov08d10->streaming == enable)
|
|
return 0;
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
if (enable) {
|
|
ret = pm_runtime_resume_and_get(&client->dev);
|
|
if (ret < 0) {
|
|
mutex_unlock(&ov08d10->mutex);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov08d10_start_streaming(ov08d10);
|
|
if (ret) {
|
|
enable = 0;
|
|
ov08d10_stop_streaming(ov08d10);
|
|
pm_runtime_put(&client->dev);
|
|
}
|
|
} else {
|
|
ov08d10_stop_streaming(ov08d10);
|
|
pm_runtime_put(&client->dev);
|
|
}
|
|
|
|
ov08d10->streaming = enable;
|
|
|
|
/* vflip and hflip cannot change during streaming */
|
|
__v4l2_ctrl_grab(ov08d10->vflip, enable);
|
|
__v4l2_ctrl_grab(ov08d10->hflip, enable);
|
|
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __maybe_unused ov08d10_suspend(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
if (ov08d10->streaming)
|
|
ov08d10_stop_streaming(ov08d10);
|
|
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused ov08d10_resume(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
int ret;
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
|
|
if (ov08d10->streaming) {
|
|
ret = ov08d10_start_streaming(ov08d10);
|
|
if (ret) {
|
|
ov08d10->streaming = false;
|
|
ov08d10_stop_streaming(ov08d10);
|
|
mutex_unlock(&ov08d10->mutex);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_set_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
const struct ov08d10_mode *mode;
|
|
s32 vblank_def, h_blank;
|
|
s64 pixel_rate;
|
|
|
|
mode = v4l2_find_nearest_size(ov08d10->priv_lane->sp_modes,
|
|
ov08d10->modes_size,
|
|
width, height, fmt->format.width,
|
|
fmt->format.height);
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
ov08d10_update_pad_format(ov08d10, mode, &fmt->format);
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) =
|
|
fmt->format;
|
|
} else {
|
|
ov08d10->cur_mode = mode;
|
|
__v4l2_ctrl_s_ctrl(ov08d10->link_freq, mode->link_freq_index);
|
|
pixel_rate = to_rate(ov08d10->priv_lane->link_freq_menu,
|
|
mode->link_freq_index,
|
|
ov08d10->cur_mode->data_lanes);
|
|
__v4l2_ctrl_s_ctrl_int64(ov08d10->pixel_rate, pixel_rate);
|
|
|
|
/* Update limits and set FPS to default */
|
|
vblank_def = mode->vts_def - mode->height;
|
|
__v4l2_ctrl_modify_range(ov08d10->vblank,
|
|
mode->vts_min - mode->height,
|
|
OV08D10_VTS_MAX - mode->height, 1,
|
|
vblank_def);
|
|
__v4l2_ctrl_s_ctrl(ov08d10->vblank, vblank_def);
|
|
h_blank = to_pixels_per_line(ov08d10->priv_lane->link_freq_menu,
|
|
mode->hts,
|
|
mode->link_freq_index,
|
|
ov08d10->cur_mode->data_lanes)
|
|
- mode->width;
|
|
__v4l2_ctrl_modify_range(ov08d10->hblank, h_blank, h_blank, 1,
|
|
h_blank);
|
|
}
|
|
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_get_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
|
|
fmt->format = *v4l2_subdev_get_try_format(&ov08d10->sd,
|
|
sd_state,
|
|
fmt->pad);
|
|
else
|
|
ov08d10_update_pad_format(ov08d10, ov08d10->cur_mode,
|
|
&fmt->format);
|
|
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
if (code->index > 0)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
code->code = ov08d10_get_format_code(ov08d10);
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_enum_frame_size(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
if (fse->index >= ov08d10->modes_size)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
if (fse->code != ov08d10_get_format_code(ov08d10)) {
|
|
mutex_unlock(&ov08d10->mutex);
|
|
return -EINVAL;
|
|
}
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
fse->min_width = ov08d10->priv_lane->sp_modes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->min_height = ov08d10->priv_lane->sp_modes[fse->index].height;
|
|
fse->max_height = fse->min_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
|
{
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
mutex_lock(&ov08d10->mutex);
|
|
ov08d10_update_pad_format(ov08d10, &ov08d10->priv_lane->sp_modes[0],
|
|
v4l2_subdev_get_try_format(sd, fh->state, 0));
|
|
mutex_unlock(&ov08d10->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_video_ops ov08d10_video_ops = {
|
|
.s_stream = ov08d10_set_stream,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops ov08d10_pad_ops = {
|
|
.set_fmt = ov08d10_set_format,
|
|
.get_fmt = ov08d10_get_format,
|
|
.enum_mbus_code = ov08d10_enum_mbus_code,
|
|
.enum_frame_size = ov08d10_enum_frame_size,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops ov08d10_subdev_ops = {
|
|
.video = &ov08d10_video_ops,
|
|
.pad = &ov08d10_pad_ops,
|
|
};
|
|
|
|
static const struct v4l2_subdev_internal_ops ov08d10_internal_ops = {
|
|
.open = ov08d10_open,
|
|
};
|
|
|
|
static int ov08d10_identify_module(struct ov08d10 *ov08d10)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd);
|
|
u32 val;
|
|
u16 chip_id;
|
|
int ret;
|
|
|
|
/* System control registers */
|
|
ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Validate the chip ID */
|
|
ret = i2c_smbus_read_byte_data(client, OV08D10_REG_CHIP_ID_0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = ret << 8;
|
|
|
|
ret = i2c_smbus_read_byte_data(client, OV08D10_REG_CHIP_ID_1);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
chip_id = val | ret;
|
|
|
|
if ((chip_id & OV08D10_ID_MASK) != OV08D10_CHIP_ID) {
|
|
dev_err(&client->dev, "unexpected sensor id(0x%04x)\n",
|
|
chip_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov08d10_get_hwcfg(struct ov08d10 *ov08d10, struct device *dev)
|
|
{
|
|
struct fwnode_handle *ep;
|
|
struct fwnode_handle *fwnode = dev_fwnode(dev);
|
|
struct v4l2_fwnode_endpoint bus_cfg = {
|
|
.bus_type = V4L2_MBUS_CSI2_DPHY
|
|
};
|
|
u32 xvclk_rate;
|
|
unsigned int i, j;
|
|
int ret;
|
|
|
|
if (!fwnode)
|
|
return -ENXIO;
|
|
|
|
ret = fwnode_property_read_u32(fwnode, "clock-frequency", &xvclk_rate);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (xvclk_rate != OV08D10_XVCLK_19_2)
|
|
dev_warn(dev, "external clock rate %u is unsupported",
|
|
xvclk_rate);
|
|
|
|
ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
|
|
if (!ep)
|
|
return -ENXIO;
|
|
|
|
ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);
|
|
fwnode_handle_put(ep);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Get number of data lanes */
|
|
if (bus_cfg.bus.mipi_csi2.num_data_lanes != 2) {
|
|
dev_err(dev, "number of CSI2 data lanes %d is not supported",
|
|
bus_cfg.bus.mipi_csi2.num_data_lanes);
|
|
ret = -EINVAL;
|
|
goto check_hwcfg_error;
|
|
}
|
|
|
|
dev_dbg(dev, "Using %u data lanes\n", ov08d10->cur_mode->data_lanes);
|
|
|
|
ov08d10->priv_lane = &lane_cfg_2;
|
|
ov08d10->modes_size = ov08d10_modes_num(ov08d10);
|
|
|
|
if (!bus_cfg.nr_of_link_frequencies) {
|
|
dev_err(dev, "no link frequencies defined");
|
|
ret = -EINVAL;
|
|
goto check_hwcfg_error;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ov08d10->priv_lane->link_freq_menu); i++) {
|
|
for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) {
|
|
if (ov08d10->priv_lane->link_freq_menu[i] ==
|
|
bus_cfg.link_frequencies[j])
|
|
break;
|
|
}
|
|
|
|
if (j == bus_cfg.nr_of_link_frequencies) {
|
|
dev_err(dev, "no link frequency %lld supported",
|
|
ov08d10->priv_lane->link_freq_menu[i]);
|
|
ret = -EINVAL;
|
|
goto check_hwcfg_error;
|
|
}
|
|
}
|
|
|
|
check_hwcfg_error:
|
|
v4l2_fwnode_endpoint_free(&bus_cfg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ov08d10_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov08d10 *ov08d10 = to_ov08d10(sd);
|
|
|
|
v4l2_async_unregister_subdev(sd);
|
|
media_entity_cleanup(&sd->entity);
|
|
v4l2_ctrl_handler_free(sd->ctrl_handler);
|
|
pm_runtime_disable(&client->dev);
|
|
mutex_destroy(&ov08d10->mutex);
|
|
}
|
|
|
|
static int ov08d10_probe(struct i2c_client *client)
|
|
{
|
|
struct ov08d10 *ov08d10;
|
|
int ret;
|
|
|
|
ov08d10 = devm_kzalloc(&client->dev, sizeof(*ov08d10), GFP_KERNEL);
|
|
if (!ov08d10)
|
|
return -ENOMEM;
|
|
|
|
ret = ov08d10_get_hwcfg(ov08d10, &client->dev);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to get HW configuration: %d",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
v4l2_i2c_subdev_init(&ov08d10->sd, client, &ov08d10_subdev_ops);
|
|
|
|
ret = ov08d10_identify_module(ov08d10);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to find sensor: %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
mutex_init(&ov08d10->mutex);
|
|
ov08d10->cur_mode = &ov08d10->priv_lane->sp_modes[0];
|
|
ret = ov08d10_init_controls(ov08d10);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to init controls: %d", ret);
|
|
goto probe_error_v4l2_ctrl_handler_free;
|
|
}
|
|
|
|
ov08d10->sd.internal_ops = &ov08d10_internal_ops;
|
|
ov08d10->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
|
ov08d10->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ov08d10->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
ret = media_entity_pads_init(&ov08d10->sd.entity, 1, &ov08d10->pad);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to init entity pads: %d", ret);
|
|
goto probe_error_v4l2_ctrl_handler_free;
|
|
}
|
|
|
|
ret = v4l2_async_register_subdev_sensor(&ov08d10->sd);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "failed to register V4L2 subdev: %d",
|
|
ret);
|
|
goto probe_error_media_entity_cleanup;
|
|
}
|
|
|
|
/*
|
|
* Device is already turned on by i2c-core with ACPI domain PM.
|
|
* Enable runtime PM and turn off the device.
|
|
*/
|
|
pm_runtime_set_active(&client->dev);
|
|
pm_runtime_enable(&client->dev);
|
|
pm_runtime_idle(&client->dev);
|
|
|
|
return 0;
|
|
|
|
probe_error_media_entity_cleanup:
|
|
media_entity_cleanup(&ov08d10->sd.entity);
|
|
|
|
probe_error_v4l2_ctrl_handler_free:
|
|
v4l2_ctrl_handler_free(ov08d10->sd.ctrl_handler);
|
|
mutex_destroy(&ov08d10->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct dev_pm_ops ov08d10_pm_ops = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(ov08d10_suspend, ov08d10_resume)
|
|
};
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id ov08d10_acpi_ids[] = {
|
|
{ "OVTI08D1" },
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(acpi, ov08d10_acpi_ids);
|
|
#endif
|
|
|
|
static struct i2c_driver ov08d10_i2c_driver = {
|
|
.driver = {
|
|
.name = "ov08d10",
|
|
.pm = &ov08d10_pm_ops,
|
|
.acpi_match_table = ACPI_PTR(ov08d10_acpi_ids),
|
|
},
|
|
.probe = ov08d10_probe,
|
|
.remove = ov08d10_remove,
|
|
};
|
|
|
|
module_i2c_driver(ov08d10_i2c_driver);
|
|
|
|
MODULE_AUTHOR("Su, Jimmy <jimmy.su@intel.com>");
|
|
MODULE_DESCRIPTION("OmniVision ov08d10 sensor driver");
|
|
MODULE_LICENSE("GPL v2");
|