1849 lines
40 KiB
C
1849 lines
40 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation.
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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 version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* 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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*/
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#include <linux/acpi.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 <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#define OV13858_REG_VALUE_08BIT 1
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#define OV13858_REG_VALUE_16BIT 2
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#define OV13858_REG_VALUE_24BIT 3
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#define OV13858_REG_MODE_SELECT 0x0100
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#define OV13858_MODE_STANDBY 0x00
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#define OV13858_MODE_STREAMING 0x01
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#define OV13858_REG_SOFTWARE_RST 0x0103
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#define OV13858_SOFTWARE_RST 0x01
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/* PLL1 generates PCLK and MIPI_PHY_CLK */
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#define OV13858_REG_PLL1_CTRL_0 0x0300
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#define OV13858_REG_PLL1_CTRL_1 0x0301
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#define OV13858_REG_PLL1_CTRL_2 0x0302
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#define OV13858_REG_PLL1_CTRL_3 0x0303
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#define OV13858_REG_PLL1_CTRL_4 0x0304
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#define OV13858_REG_PLL1_CTRL_5 0x0305
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/* PLL2 generates DAC_CLK, SCLK and SRAM_CLK */
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#define OV13858_REG_PLL2_CTRL_B 0x030b
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#define OV13858_REG_PLL2_CTRL_C 0x030c
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#define OV13858_REG_PLL2_CTRL_D 0x030d
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#define OV13858_REG_PLL2_CTRL_E 0x030e
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#define OV13858_REG_PLL2_CTRL_F 0x030f
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#define OV13858_REG_PLL2_CTRL_12 0x0312
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#define OV13858_REG_MIPI_SC_CTRL0 0x3016
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#define OV13858_REG_MIPI_SC_CTRL1 0x3022
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/* Chip ID */
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#define OV13858_REG_CHIP_ID 0x300a
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#define OV13858_CHIP_ID 0x00d855
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/* V_TIMING internal */
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#define OV13858_REG_VTS 0x380e
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#define OV13858_VTS_30FPS 0x0c8e /* 30 fps */
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#define OV13858_VTS_60FPS 0x0648 /* 60 fps */
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#define OV13858_VTS_MAX 0x7fff
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/* HBLANK control - read only */
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#define OV13858_PPL_270MHZ 2244
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#define OV13858_PPL_540MHZ 4488
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/* Exposure control */
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#define OV13858_REG_EXPOSURE 0x3500
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#define OV13858_EXPOSURE_MIN 4
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#define OV13858_EXPOSURE_STEP 1
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#define OV13858_EXPOSURE_DEFAULT 0x640
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/* Analog gain control */
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#define OV13858_REG_ANALOG_GAIN 0x3508
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#define OV13858_ANA_GAIN_MIN 0
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#define OV13858_ANA_GAIN_MAX 0x1fff
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#define OV13858_ANA_GAIN_STEP 1
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#define OV13858_ANA_GAIN_DEFAULT 0x80
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/* Digital gain control */
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#define OV13858_REG_B_MWB_GAIN 0x5100
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#define OV13858_REG_G_MWB_GAIN 0x5102
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#define OV13858_REG_R_MWB_GAIN 0x5104
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#define OV13858_DGTL_GAIN_MIN 0
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#define OV13858_DGTL_GAIN_MAX 16384 /* Max = 16 X */
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#define OV13858_DGTL_GAIN_DEFAULT 1024 /* Default gain = 1 X */
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#define OV13858_DGTL_GAIN_STEP 1 /* Each step = 1/1024 */
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/* Test Pattern Control */
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#define OV13858_REG_TEST_PATTERN 0x4503
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#define OV13858_TEST_PATTERN_ENABLE BIT(7)
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#define OV13858_TEST_PATTERN_MASK 0xfc
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/* Number of frames to skip */
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#define OV13858_NUM_OF_SKIP_FRAMES 2
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struct ov13858_reg {
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u16 address;
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u8 val;
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};
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struct ov13858_reg_list {
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u32 num_of_regs;
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const struct ov13858_reg *regs;
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};
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/* Link frequency config */
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struct ov13858_link_freq_config {
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u32 pixels_per_line;
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/* PLL registers for this link frequency */
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struct ov13858_reg_list reg_list;
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};
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/* Mode : resolution and related config&values */
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struct ov13858_mode {
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/* Frame width */
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u32 width;
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/* Frame height */
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u32 height;
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/* V-timing */
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u32 vts_def;
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u32 vts_min;
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/* Index of Link frequency config to be used */
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u32 link_freq_index;
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/* Default register values */
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struct ov13858_reg_list reg_list;
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};
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/* 4224x3136 needs 1080Mbps/lane, 4 lanes */
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static const struct ov13858_reg mipi_data_rate_1080mbps[] = {
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/* PLL1 registers */
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{OV13858_REG_PLL1_CTRL_0, 0x07},
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{OV13858_REG_PLL1_CTRL_1, 0x01},
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{OV13858_REG_PLL1_CTRL_2, 0xc2},
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{OV13858_REG_PLL1_CTRL_3, 0x00},
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{OV13858_REG_PLL1_CTRL_4, 0x00},
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{OV13858_REG_PLL1_CTRL_5, 0x01},
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/* PLL2 registers */
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{OV13858_REG_PLL2_CTRL_B, 0x05},
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{OV13858_REG_PLL2_CTRL_C, 0x01},
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{OV13858_REG_PLL2_CTRL_D, 0x0e},
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{OV13858_REG_PLL2_CTRL_E, 0x05},
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{OV13858_REG_PLL2_CTRL_F, 0x01},
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{OV13858_REG_PLL2_CTRL_12, 0x01},
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{OV13858_REG_MIPI_SC_CTRL0, 0x72},
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{OV13858_REG_MIPI_SC_CTRL1, 0x01},
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};
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/*
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* 2112x1568, 2112x1188, 1056x784 need 540Mbps/lane,
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* 4 lanes
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*/
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static const struct ov13858_reg mipi_data_rate_540mbps[] = {
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/* PLL1 registers */
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{OV13858_REG_PLL1_CTRL_0, 0x07},
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{OV13858_REG_PLL1_CTRL_1, 0x01},
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{OV13858_REG_PLL1_CTRL_2, 0xc2},
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{OV13858_REG_PLL1_CTRL_3, 0x01},
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{OV13858_REG_PLL1_CTRL_4, 0x00},
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{OV13858_REG_PLL1_CTRL_5, 0x01},
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/* PLL2 registers */
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{OV13858_REG_PLL2_CTRL_B, 0x05},
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{OV13858_REG_PLL2_CTRL_C, 0x01},
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{OV13858_REG_PLL2_CTRL_D, 0x0e},
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{OV13858_REG_PLL2_CTRL_E, 0x05},
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{OV13858_REG_PLL2_CTRL_F, 0x01},
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{OV13858_REG_PLL2_CTRL_12, 0x01},
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{OV13858_REG_MIPI_SC_CTRL0, 0x72},
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{OV13858_REG_MIPI_SC_CTRL1, 0x01},
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};
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static const struct ov13858_reg mode_4224x3136_regs[] = {
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{0x3013, 0x32},
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{0x301b, 0xf0},
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{0x301f, 0xd0},
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{0x3106, 0x15},
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{0x3107, 0x23},
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{0x350a, 0x00},
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{0x350e, 0x00},
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{0x3510, 0x00},
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{0x3511, 0x02},
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{0x3512, 0x00},
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{0x3600, 0x2b},
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{0x3601, 0x52},
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{0x3602, 0x60},
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{0x3612, 0x05},
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{0x3613, 0xa4},
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{0x3620, 0x80},
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{0x3621, 0x10},
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{0x3622, 0x30},
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{0x3624, 0x1c},
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{0x3640, 0x10},
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{0x3641, 0x70},
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{0x3661, 0x80},
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{0x3662, 0x12},
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{0x3664, 0x73},
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{0x3665, 0xa7},
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{0x366e, 0xff},
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{0x366f, 0xf4},
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{0x3674, 0x00},
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{0x3679, 0x0c},
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{0x367f, 0x01},
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{0x3680, 0x0c},
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{0x3681, 0x50},
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{0x3682, 0x50},
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{0x3683, 0xa9},
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{0x3684, 0xa9},
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{0x3709, 0x5f},
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{0x3714, 0x24},
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{0x371a, 0x3e},
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{0x3737, 0x04},
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{0x3738, 0xcc},
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{0x3739, 0x12},
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{0x373d, 0x26},
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{0x3764, 0x20},
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{0x3765, 0x20},
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{0x37a1, 0x36},
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{0x37a8, 0x3b},
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{0x37ab, 0x31},
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{0x37c2, 0x04},
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{0x37c3, 0xf1},
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{0x37c5, 0x00},
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{0x37d8, 0x03},
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{0x37d9, 0x0c},
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{0x37da, 0xc2},
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{0x37dc, 0x02},
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{0x37e0, 0x00},
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{0x37e1, 0x0a},
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{0x37e2, 0x14},
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{0x37e3, 0x04},
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{0x37e4, 0x2a},
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{0x37e5, 0x03},
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{0x37e6, 0x04},
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{0x3800, 0x00},
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{0x3801, 0x00},
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{0x3802, 0x00},
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{0x3803, 0x08},
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{0x3804, 0x10},
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{0x3805, 0x9f},
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{0x3806, 0x0c},
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{0x3807, 0x57},
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{0x3808, 0x10},
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{0x3809, 0x80},
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{0x380a, 0x0c},
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{0x380b, 0x40},
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{0x380c, 0x04},
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{0x380d, 0x62},
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{0x380e, 0x0c},
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{0x380f, 0x8e},
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{0x3811, 0x04},
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{0x3813, 0x05},
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{0x3814, 0x01},
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{0x3815, 0x01},
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{0x3816, 0x01},
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{0x3817, 0x01},
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{0x3820, 0xa8},
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{0x3821, 0x00},
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{0x3822, 0xc2},
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{0x3823, 0x18},
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{0x3826, 0x11},
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{0x3827, 0x1c},
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{0x3829, 0x03},
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{0x3832, 0x00},
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{0x3c80, 0x00},
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{0x3c87, 0x01},
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{0x3c8c, 0x19},
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{0x3c8d, 0x1c},
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{0x3c90, 0x00},
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{0x3c91, 0x00},
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{0x3c92, 0x00},
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{0x3c93, 0x00},
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{0x3c94, 0x40},
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{0x3c95, 0x54},
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{0x3c96, 0x34},
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{0x3c97, 0x04},
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{0x3c98, 0x00},
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{0x3d8c, 0x73},
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{0x3d8d, 0xc0},
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{0x3f00, 0x0b},
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{0x3f03, 0x00},
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{0x4001, 0xe0},
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{0x4008, 0x00},
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{0x4009, 0x0f},
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{0x4011, 0xf0},
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{0x4017, 0x08},
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{0x4050, 0x04},
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{0x4051, 0x0b},
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{0x4052, 0x00},
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{0x4053, 0x80},
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{0x4054, 0x00},
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{0x4055, 0x80},
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{0x4056, 0x00},
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{0x4057, 0x80},
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{0x4058, 0x00},
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{0x4059, 0x80},
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{0x405e, 0x20},
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{0x4500, 0x07},
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{0x4503, 0x00},
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{0x450a, 0x04},
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{0x4809, 0x04},
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{0x480c, 0x12},
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{0x481f, 0x30},
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{0x4833, 0x10},
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{0x4837, 0x0e},
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{0x4902, 0x01},
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{0x4d00, 0x03},
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{0x4d01, 0xc9},
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{0x4d02, 0xbc},
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{0x4d03, 0xd7},
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{0x4d04, 0xf0},
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{0x4d05, 0xa2},
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{0x5000, 0xfd},
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{0x5001, 0x01},
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{0x5040, 0x39},
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{0x5041, 0x10},
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{0x5042, 0x10},
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{0x5043, 0x84},
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{0x5044, 0x62},
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{0x5180, 0x00},
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{0x5181, 0x10},
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{0x5182, 0x02},
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{0x5183, 0x0f},
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{0x5200, 0x1b},
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{0x520b, 0x07},
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{0x520c, 0x0f},
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{0x5300, 0x04},
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{0x5301, 0x0c},
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{0x5302, 0x0c},
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{0x5303, 0x0f},
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{0x5304, 0x00},
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{0x5305, 0x70},
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{0x5306, 0x00},
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{0x5307, 0x80},
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{0x5308, 0x00},
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{0x5309, 0xa5},
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{0x530a, 0x00},
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{0x530b, 0xd3},
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{0x530c, 0x00},
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{0x530d, 0xf0},
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{0x530e, 0x01},
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{0x530f, 0x10},
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{0x5310, 0x01},
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{0x5311, 0x20},
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{0x5312, 0x01},
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{0x5313, 0x20},
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{0x5314, 0x01},
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{0x5315, 0x20},
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{0x5316, 0x08},
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{0x5317, 0x08},
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{0x5318, 0x10},
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{0x5319, 0x88},
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{0x531a, 0x88},
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{0x531b, 0xa9},
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{0x531c, 0xaa},
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{0x531d, 0x0a},
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{0x5405, 0x02},
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{0x5406, 0x67},
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{0x5407, 0x01},
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{0x5408, 0x4a},
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};
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static const struct ov13858_reg mode_2112x1568_regs[] = {
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{0x3013, 0x32},
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{0x301b, 0xf0},
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{0x301f, 0xd0},
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{0x3106, 0x15},
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{0x3107, 0x23},
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{0x350a, 0x00},
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{0x350e, 0x00},
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{0x3510, 0x00},
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{0x3511, 0x02},
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{0x3512, 0x00},
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{0x3600, 0x2b},
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{0x3601, 0x52},
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{0x3602, 0x60},
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{0x3612, 0x05},
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{0x3613, 0xa4},
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{0x3620, 0x80},
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{0x3621, 0x10},
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{0x3622, 0x30},
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{0x3624, 0x1c},
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{0x3640, 0x10},
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{0x3641, 0x70},
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{0x3661, 0x80},
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{0x3662, 0x10},
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{0x3664, 0x73},
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{0x3665, 0xa7},
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{0x366e, 0xff},
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{0x366f, 0xf4},
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{0x3674, 0x00},
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{0x3679, 0x0c},
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{0x367f, 0x01},
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{0x3680, 0x0c},
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{0x3681, 0x50},
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{0x3682, 0x50},
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{0x3683, 0xa9},
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{0x3684, 0xa9},
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{0x3709, 0x5f},
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{0x3714, 0x28},
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{0x371a, 0x3e},
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{0x3737, 0x08},
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{0x3738, 0xcc},
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{0x3739, 0x20},
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{0x373d, 0x26},
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{0x3764, 0x20},
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{0x3765, 0x20},
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{0x37a1, 0x36},
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{0x37a8, 0x3b},
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{0x37ab, 0x31},
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{0x37c2, 0x14},
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{0x37c3, 0xf1},
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{0x37c5, 0x00},
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{0x37d8, 0x03},
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{0x37d9, 0x0c},
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{0x37da, 0xc2},
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{0x37dc, 0x02},
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{0x37e0, 0x00},
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{0x37e1, 0x0a},
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{0x37e2, 0x14},
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{0x37e3, 0x08},
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{0x37e4, 0x38},
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{0x37e5, 0x03},
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{0x37e6, 0x08},
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{0x3800, 0x00},
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{0x3801, 0x00},
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{0x3802, 0x00},
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{0x3803, 0x00},
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{0x3804, 0x10},
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{0x3805, 0x9f},
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{0x3806, 0x0c},
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{0x3807, 0x5f},
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{0x3808, 0x08},
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{0x3809, 0x40},
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{0x380a, 0x06},
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{0x380b, 0x20},
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{0x380c, 0x04},
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{0x380d, 0x62},
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{0x380e, 0x0c},
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{0x380f, 0x8e},
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{0x3811, 0x04},
|
|
{0x3813, 0x05},
|
|
{0x3814, 0x03},
|
|
{0x3815, 0x01},
|
|
{0x3816, 0x03},
|
|
{0x3817, 0x01},
|
|
{0x3820, 0xab},
|
|
{0x3821, 0x00},
|
|
{0x3822, 0xc2},
|
|
{0x3823, 0x18},
|
|
{0x3826, 0x04},
|
|
{0x3827, 0x90},
|
|
{0x3829, 0x07},
|
|
{0x3832, 0x00},
|
|
{0x3c80, 0x00},
|
|
{0x3c87, 0x01},
|
|
{0x3c8c, 0x19},
|
|
{0x3c8d, 0x1c},
|
|
{0x3c90, 0x00},
|
|
{0x3c91, 0x00},
|
|
{0x3c92, 0x00},
|
|
{0x3c93, 0x00},
|
|
{0x3c94, 0x40},
|
|
{0x3c95, 0x54},
|
|
{0x3c96, 0x34},
|
|
{0x3c97, 0x04},
|
|
{0x3c98, 0x00},
|
|
{0x3d8c, 0x73},
|
|
{0x3d8d, 0xc0},
|
|
{0x3f00, 0x0b},
|
|
{0x3f03, 0x00},
|
|
{0x4001, 0xe0},
|
|
{0x4008, 0x00},
|
|
{0x4009, 0x0d},
|
|
{0x4011, 0xf0},
|
|
{0x4017, 0x08},
|
|
{0x4050, 0x04},
|
|
{0x4051, 0x0b},
|
|
{0x4052, 0x00},
|
|
{0x4053, 0x80},
|
|
{0x4054, 0x00},
|
|
{0x4055, 0x80},
|
|
{0x4056, 0x00},
|
|
{0x4057, 0x80},
|
|
{0x4058, 0x00},
|
|
{0x4059, 0x80},
|
|
{0x405e, 0x20},
|
|
{0x4500, 0x07},
|
|
{0x4503, 0x00},
|
|
{0x450a, 0x04},
|
|
{0x4809, 0x04},
|
|
{0x480c, 0x12},
|
|
{0x481f, 0x30},
|
|
{0x4833, 0x10},
|
|
{0x4837, 0x1c},
|
|
{0x4902, 0x01},
|
|
{0x4d00, 0x03},
|
|
{0x4d01, 0xc9},
|
|
{0x4d02, 0xbc},
|
|
{0x4d03, 0xd7},
|
|
{0x4d04, 0xf0},
|
|
{0x4d05, 0xa2},
|
|
{0x5000, 0xfd},
|
|
{0x5001, 0x01},
|
|
{0x5040, 0x39},
|
|
{0x5041, 0x10},
|
|
{0x5042, 0x10},
|
|
{0x5043, 0x84},
|
|
{0x5044, 0x62},
|
|
{0x5180, 0x00},
|
|
{0x5181, 0x10},
|
|
{0x5182, 0x02},
|
|
{0x5183, 0x0f},
|
|
{0x5200, 0x1b},
|
|
{0x520b, 0x07},
|
|
{0x520c, 0x0f},
|
|
{0x5300, 0x04},
|
|
{0x5301, 0x0c},
|
|
{0x5302, 0x0c},
|
|
{0x5303, 0x0f},
|
|
{0x5304, 0x00},
|
|
{0x5305, 0x70},
|
|
{0x5306, 0x00},
|
|
{0x5307, 0x80},
|
|
{0x5308, 0x00},
|
|
{0x5309, 0xa5},
|
|
{0x530a, 0x00},
|
|
{0x530b, 0xd3},
|
|
{0x530c, 0x00},
|
|
{0x530d, 0xf0},
|
|
{0x530e, 0x01},
|
|
{0x530f, 0x10},
|
|
{0x5310, 0x01},
|
|
{0x5311, 0x20},
|
|
{0x5312, 0x01},
|
|
{0x5313, 0x20},
|
|
{0x5314, 0x01},
|
|
{0x5315, 0x20},
|
|
{0x5316, 0x08},
|
|
{0x5317, 0x08},
|
|
{0x5318, 0x10},
|
|
{0x5319, 0x88},
|
|
{0x531a, 0x88},
|
|
{0x531b, 0xa9},
|
|
{0x531c, 0xaa},
|
|
{0x531d, 0x0a},
|
|
{0x5405, 0x02},
|
|
{0x5406, 0x67},
|
|
{0x5407, 0x01},
|
|
{0x5408, 0x4a},
|
|
};
|
|
|
|
static const struct ov13858_reg mode_2112x1188_regs[] = {
|
|
{0x3013, 0x32},
|
|
{0x301b, 0xf0},
|
|
{0x301f, 0xd0},
|
|
{0x3106, 0x15},
|
|
{0x3107, 0x23},
|
|
{0x350a, 0x00},
|
|
{0x350e, 0x00},
|
|
{0x3510, 0x00},
|
|
{0x3511, 0x02},
|
|
{0x3512, 0x00},
|
|
{0x3600, 0x2b},
|
|
{0x3601, 0x52},
|
|
{0x3602, 0x60},
|
|
{0x3612, 0x05},
|
|
{0x3613, 0xa4},
|
|
{0x3620, 0x80},
|
|
{0x3621, 0x10},
|
|
{0x3622, 0x30},
|
|
{0x3624, 0x1c},
|
|
{0x3640, 0x10},
|
|
{0x3641, 0x70},
|
|
{0x3661, 0x80},
|
|
{0x3662, 0x10},
|
|
{0x3664, 0x73},
|
|
{0x3665, 0xa7},
|
|
{0x366e, 0xff},
|
|
{0x366f, 0xf4},
|
|
{0x3674, 0x00},
|
|
{0x3679, 0x0c},
|
|
{0x367f, 0x01},
|
|
{0x3680, 0x0c},
|
|
{0x3681, 0x50},
|
|
{0x3682, 0x50},
|
|
{0x3683, 0xa9},
|
|
{0x3684, 0xa9},
|
|
{0x3709, 0x5f},
|
|
{0x3714, 0x28},
|
|
{0x371a, 0x3e},
|
|
{0x3737, 0x08},
|
|
{0x3738, 0xcc},
|
|
{0x3739, 0x20},
|
|
{0x373d, 0x26},
|
|
{0x3764, 0x20},
|
|
{0x3765, 0x20},
|
|
{0x37a1, 0x36},
|
|
{0x37a8, 0x3b},
|
|
{0x37ab, 0x31},
|
|
{0x37c2, 0x14},
|
|
{0x37c3, 0xf1},
|
|
{0x37c5, 0x00},
|
|
{0x37d8, 0x03},
|
|
{0x37d9, 0x0c},
|
|
{0x37da, 0xc2},
|
|
{0x37dc, 0x02},
|
|
{0x37e0, 0x00},
|
|
{0x37e1, 0x0a},
|
|
{0x37e2, 0x14},
|
|
{0x37e3, 0x08},
|
|
{0x37e4, 0x38},
|
|
{0x37e5, 0x03},
|
|
{0x37e6, 0x08},
|
|
{0x3800, 0x00},
|
|
{0x3801, 0x00},
|
|
{0x3802, 0x01},
|
|
{0x3803, 0x84},
|
|
{0x3804, 0x10},
|
|
{0x3805, 0x9f},
|
|
{0x3806, 0x0a},
|
|
{0x3807, 0xd3},
|
|
{0x3808, 0x08},
|
|
{0x3809, 0x40},
|
|
{0x380a, 0x04},
|
|
{0x380b, 0xa4},
|
|
{0x380c, 0x04},
|
|
{0x380d, 0x62},
|
|
{0x380e, 0x0c},
|
|
{0x380f, 0x8e},
|
|
{0x3811, 0x08},
|
|
{0x3813, 0x03},
|
|
{0x3814, 0x03},
|
|
{0x3815, 0x01},
|
|
{0x3816, 0x03},
|
|
{0x3817, 0x01},
|
|
{0x3820, 0xab},
|
|
{0x3821, 0x00},
|
|
{0x3822, 0xc2},
|
|
{0x3823, 0x18},
|
|
{0x3826, 0x04},
|
|
{0x3827, 0x90},
|
|
{0x3829, 0x07},
|
|
{0x3832, 0x00},
|
|
{0x3c80, 0x00},
|
|
{0x3c87, 0x01},
|
|
{0x3c8c, 0x19},
|
|
{0x3c8d, 0x1c},
|
|
{0x3c90, 0x00},
|
|
{0x3c91, 0x00},
|
|
{0x3c92, 0x00},
|
|
{0x3c93, 0x00},
|
|
{0x3c94, 0x40},
|
|
{0x3c95, 0x54},
|
|
{0x3c96, 0x34},
|
|
{0x3c97, 0x04},
|
|
{0x3c98, 0x00},
|
|
{0x3d8c, 0x73},
|
|
{0x3d8d, 0xc0},
|
|
{0x3f00, 0x0b},
|
|
{0x3f03, 0x00},
|
|
{0x4001, 0xe0},
|
|
{0x4008, 0x00},
|
|
{0x4009, 0x0d},
|
|
{0x4011, 0xf0},
|
|
{0x4017, 0x08},
|
|
{0x4050, 0x04},
|
|
{0x4051, 0x0b},
|
|
{0x4052, 0x00},
|
|
{0x4053, 0x80},
|
|
{0x4054, 0x00},
|
|
{0x4055, 0x80},
|
|
{0x4056, 0x00},
|
|
{0x4057, 0x80},
|
|
{0x4058, 0x00},
|
|
{0x4059, 0x80},
|
|
{0x405e, 0x20},
|
|
{0x4500, 0x07},
|
|
{0x4503, 0x00},
|
|
{0x450a, 0x04},
|
|
{0x4809, 0x04},
|
|
{0x480c, 0x12},
|
|
{0x481f, 0x30},
|
|
{0x4833, 0x10},
|
|
{0x4837, 0x1c},
|
|
{0x4902, 0x01},
|
|
{0x4d00, 0x03},
|
|
{0x4d01, 0xc9},
|
|
{0x4d02, 0xbc},
|
|
{0x4d03, 0xd7},
|
|
{0x4d04, 0xf0},
|
|
{0x4d05, 0xa2},
|
|
{0x5000, 0xfd},
|
|
{0x5001, 0x01},
|
|
{0x5040, 0x39},
|
|
{0x5041, 0x10},
|
|
{0x5042, 0x10},
|
|
{0x5043, 0x84},
|
|
{0x5044, 0x62},
|
|
{0x5180, 0x00},
|
|
{0x5181, 0x10},
|
|
{0x5182, 0x02},
|
|
{0x5183, 0x0f},
|
|
{0x5200, 0x1b},
|
|
{0x520b, 0x07},
|
|
{0x520c, 0x0f},
|
|
{0x5300, 0x04},
|
|
{0x5301, 0x0c},
|
|
{0x5302, 0x0c},
|
|
{0x5303, 0x0f},
|
|
{0x5304, 0x00},
|
|
{0x5305, 0x70},
|
|
{0x5306, 0x00},
|
|
{0x5307, 0x80},
|
|
{0x5308, 0x00},
|
|
{0x5309, 0xa5},
|
|
{0x530a, 0x00},
|
|
{0x530b, 0xd3},
|
|
{0x530c, 0x00},
|
|
{0x530d, 0xf0},
|
|
{0x530e, 0x01},
|
|
{0x530f, 0x10},
|
|
{0x5310, 0x01},
|
|
{0x5311, 0x20},
|
|
{0x5312, 0x01},
|
|
{0x5313, 0x20},
|
|
{0x5314, 0x01},
|
|
{0x5315, 0x20},
|
|
{0x5316, 0x08},
|
|
{0x5317, 0x08},
|
|
{0x5318, 0x10},
|
|
{0x5319, 0x88},
|
|
{0x531a, 0x88},
|
|
{0x531b, 0xa9},
|
|
{0x531c, 0xaa},
|
|
{0x531d, 0x0a},
|
|
{0x5405, 0x02},
|
|
{0x5406, 0x67},
|
|
{0x5407, 0x01},
|
|
{0x5408, 0x4a},
|
|
};
|
|
|
|
static const struct ov13858_reg mode_1056x784_regs[] = {
|
|
{0x3013, 0x32},
|
|
{0x301b, 0xf0},
|
|
{0x301f, 0xd0},
|
|
{0x3106, 0x15},
|
|
{0x3107, 0x23},
|
|
{0x350a, 0x00},
|
|
{0x350e, 0x00},
|
|
{0x3510, 0x00},
|
|
{0x3511, 0x02},
|
|
{0x3512, 0x00},
|
|
{0x3600, 0x2b},
|
|
{0x3601, 0x52},
|
|
{0x3602, 0x60},
|
|
{0x3612, 0x05},
|
|
{0x3613, 0xa4},
|
|
{0x3620, 0x80},
|
|
{0x3621, 0x10},
|
|
{0x3622, 0x30},
|
|
{0x3624, 0x1c},
|
|
{0x3640, 0x10},
|
|
{0x3641, 0x70},
|
|
{0x3661, 0x80},
|
|
{0x3662, 0x08},
|
|
{0x3664, 0x73},
|
|
{0x3665, 0xa7},
|
|
{0x366e, 0xff},
|
|
{0x366f, 0xf4},
|
|
{0x3674, 0x00},
|
|
{0x3679, 0x0c},
|
|
{0x367f, 0x01},
|
|
{0x3680, 0x0c},
|
|
{0x3681, 0x50},
|
|
{0x3682, 0x50},
|
|
{0x3683, 0xa9},
|
|
{0x3684, 0xa9},
|
|
{0x3709, 0x5f},
|
|
{0x3714, 0x30},
|
|
{0x371a, 0x3e},
|
|
{0x3737, 0x08},
|
|
{0x3738, 0xcc},
|
|
{0x3739, 0x20},
|
|
{0x373d, 0x26},
|
|
{0x3764, 0x20},
|
|
{0x3765, 0x20},
|
|
{0x37a1, 0x36},
|
|
{0x37a8, 0x3b},
|
|
{0x37ab, 0x31},
|
|
{0x37c2, 0x2c},
|
|
{0x37c3, 0xf1},
|
|
{0x37c5, 0x00},
|
|
{0x37d8, 0x03},
|
|
{0x37d9, 0x06},
|
|
{0x37da, 0xc2},
|
|
{0x37dc, 0x02},
|
|
{0x37e0, 0x00},
|
|
{0x37e1, 0x0a},
|
|
{0x37e2, 0x14},
|
|
{0x37e3, 0x08},
|
|
{0x37e4, 0x36},
|
|
{0x37e5, 0x03},
|
|
{0x37e6, 0x08},
|
|
{0x3800, 0x00},
|
|
{0x3801, 0x00},
|
|
{0x3802, 0x00},
|
|
{0x3803, 0x00},
|
|
{0x3804, 0x10},
|
|
{0x3805, 0x9f},
|
|
{0x3806, 0x0c},
|
|
{0x3807, 0x5f},
|
|
{0x3808, 0x04},
|
|
{0x3809, 0x20},
|
|
{0x380a, 0x03},
|
|
{0x380b, 0x10},
|
|
{0x380c, 0x04},
|
|
{0x380d, 0x62},
|
|
{0x380e, 0x0c},
|
|
{0x380f, 0x8e},
|
|
{0x3811, 0x04},
|
|
{0x3813, 0x05},
|
|
{0x3814, 0x07},
|
|
{0x3815, 0x01},
|
|
{0x3816, 0x07},
|
|
{0x3817, 0x01},
|
|
{0x3820, 0xac},
|
|
{0x3821, 0x00},
|
|
{0x3822, 0xc2},
|
|
{0x3823, 0x18},
|
|
{0x3826, 0x04},
|
|
{0x3827, 0x48},
|
|
{0x3829, 0x03},
|
|
{0x3832, 0x00},
|
|
{0x3c80, 0x00},
|
|
{0x3c87, 0x01},
|
|
{0x3c8c, 0x19},
|
|
{0x3c8d, 0x1c},
|
|
{0x3c90, 0x00},
|
|
{0x3c91, 0x00},
|
|
{0x3c92, 0x00},
|
|
{0x3c93, 0x00},
|
|
{0x3c94, 0x40},
|
|
{0x3c95, 0x54},
|
|
{0x3c96, 0x34},
|
|
{0x3c97, 0x04},
|
|
{0x3c98, 0x00},
|
|
{0x3d8c, 0x73},
|
|
{0x3d8d, 0xc0},
|
|
{0x3f00, 0x0b},
|
|
{0x3f03, 0x00},
|
|
{0x4001, 0xe0},
|
|
{0x4008, 0x00},
|
|
{0x4009, 0x05},
|
|
{0x4011, 0xf0},
|
|
{0x4017, 0x08},
|
|
{0x4050, 0x02},
|
|
{0x4051, 0x05},
|
|
{0x4052, 0x00},
|
|
{0x4053, 0x80},
|
|
{0x4054, 0x00},
|
|
{0x4055, 0x80},
|
|
{0x4056, 0x00},
|
|
{0x4057, 0x80},
|
|
{0x4058, 0x00},
|
|
{0x4059, 0x80},
|
|
{0x405e, 0x20},
|
|
{0x4500, 0x07},
|
|
{0x4503, 0x00},
|
|
{0x450a, 0x04},
|
|
{0x4809, 0x04},
|
|
{0x480c, 0x12},
|
|
{0x481f, 0x30},
|
|
{0x4833, 0x10},
|
|
{0x4837, 0x1e},
|
|
{0x4902, 0x02},
|
|
{0x4d00, 0x03},
|
|
{0x4d01, 0xc9},
|
|
{0x4d02, 0xbc},
|
|
{0x4d03, 0xd7},
|
|
{0x4d04, 0xf0},
|
|
{0x4d05, 0xa2},
|
|
{0x5000, 0xfd},
|
|
{0x5001, 0x01},
|
|
{0x5040, 0x39},
|
|
{0x5041, 0x10},
|
|
{0x5042, 0x10},
|
|
{0x5043, 0x84},
|
|
{0x5044, 0x62},
|
|
{0x5180, 0x00},
|
|
{0x5181, 0x10},
|
|
{0x5182, 0x02},
|
|
{0x5183, 0x0f},
|
|
{0x5200, 0x1b},
|
|
{0x520b, 0x07},
|
|
{0x520c, 0x0f},
|
|
{0x5300, 0x04},
|
|
{0x5301, 0x0c},
|
|
{0x5302, 0x0c},
|
|
{0x5303, 0x0f},
|
|
{0x5304, 0x00},
|
|
{0x5305, 0x70},
|
|
{0x5306, 0x00},
|
|
{0x5307, 0x80},
|
|
{0x5308, 0x00},
|
|
{0x5309, 0xa5},
|
|
{0x530a, 0x00},
|
|
{0x530b, 0xd3},
|
|
{0x530c, 0x00},
|
|
{0x530d, 0xf0},
|
|
{0x530e, 0x01},
|
|
{0x530f, 0x10},
|
|
{0x5310, 0x01},
|
|
{0x5311, 0x20},
|
|
{0x5312, 0x01},
|
|
{0x5313, 0x20},
|
|
{0x5314, 0x01},
|
|
{0x5315, 0x20},
|
|
{0x5316, 0x08},
|
|
{0x5317, 0x08},
|
|
{0x5318, 0x10},
|
|
{0x5319, 0x88},
|
|
{0x531a, 0x88},
|
|
{0x531b, 0xa9},
|
|
{0x531c, 0xaa},
|
|
{0x531d, 0x0a},
|
|
{0x5405, 0x02},
|
|
{0x5406, 0x67},
|
|
{0x5407, 0x01},
|
|
{0x5408, 0x4a},
|
|
};
|
|
|
|
static const char * const ov13858_test_pattern_menu[] = {
|
|
"Disabled",
|
|
"Vertical Color Bar Type 1",
|
|
"Vertical Color Bar Type 2",
|
|
"Vertical Color Bar Type 3",
|
|
"Vertical Color Bar Type 4"
|
|
};
|
|
|
|
/* Configurations for supported link frequencies */
|
|
#define OV13858_NUM_OF_LINK_FREQS 2
|
|
#define OV13858_LINK_FREQ_540MHZ 540000000ULL
|
|
#define OV13858_LINK_FREQ_270MHZ 270000000ULL
|
|
#define OV13858_LINK_FREQ_INDEX_0 0
|
|
#define OV13858_LINK_FREQ_INDEX_1 1
|
|
|
|
/*
|
|
* pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample
|
|
* data rate => double data rate; number of lanes => 4; bits per pixel => 10
|
|
*/
|
|
static u64 link_freq_to_pixel_rate(u64 f)
|
|
{
|
|
f *= 2 * 4;
|
|
do_div(f, 10);
|
|
|
|
return f;
|
|
}
|
|
|
|
/* Menu items for LINK_FREQ V4L2 control */
|
|
static const s64 link_freq_menu_items[OV13858_NUM_OF_LINK_FREQS] = {
|
|
OV13858_LINK_FREQ_540MHZ,
|
|
OV13858_LINK_FREQ_270MHZ
|
|
};
|
|
|
|
/* Link frequency configs */
|
|
static const struct ov13858_link_freq_config
|
|
link_freq_configs[OV13858_NUM_OF_LINK_FREQS] = {
|
|
{
|
|
.pixels_per_line = OV13858_PPL_540MHZ,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mipi_data_rate_1080mbps),
|
|
.regs = mipi_data_rate_1080mbps,
|
|
}
|
|
},
|
|
{
|
|
.pixels_per_line = OV13858_PPL_270MHZ,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mipi_data_rate_540mbps),
|
|
.regs = mipi_data_rate_540mbps,
|
|
}
|
|
}
|
|
};
|
|
|
|
/* Mode configs */
|
|
static const struct ov13858_mode supported_modes[] = {
|
|
{
|
|
.width = 4224,
|
|
.height = 3136,
|
|
.vts_def = OV13858_VTS_30FPS,
|
|
.vts_min = OV13858_VTS_30FPS,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mode_4224x3136_regs),
|
|
.regs = mode_4224x3136_regs,
|
|
},
|
|
.link_freq_index = OV13858_LINK_FREQ_INDEX_0,
|
|
},
|
|
{
|
|
.width = 2112,
|
|
.height = 1568,
|
|
.vts_def = OV13858_VTS_30FPS,
|
|
.vts_min = 1608,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mode_2112x1568_regs),
|
|
.regs = mode_2112x1568_regs,
|
|
},
|
|
.link_freq_index = OV13858_LINK_FREQ_INDEX_1,
|
|
},
|
|
{
|
|
.width = 2112,
|
|
.height = 1188,
|
|
.vts_def = OV13858_VTS_30FPS,
|
|
.vts_min = 1608,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mode_2112x1188_regs),
|
|
.regs = mode_2112x1188_regs,
|
|
},
|
|
.link_freq_index = OV13858_LINK_FREQ_INDEX_1,
|
|
},
|
|
{
|
|
.width = 1056,
|
|
.height = 784,
|
|
.vts_def = OV13858_VTS_30FPS,
|
|
.vts_min = 804,
|
|
.reg_list = {
|
|
.num_of_regs = ARRAY_SIZE(mode_1056x784_regs),
|
|
.regs = mode_1056x784_regs,
|
|
},
|
|
.link_freq_index = OV13858_LINK_FREQ_INDEX_1,
|
|
}
|
|
};
|
|
|
|
struct ov13858 {
|
|
struct v4l2_subdev sd;
|
|
struct media_pad pad;
|
|
|
|
struct v4l2_ctrl_handler ctrl_handler;
|
|
/* V4L2 Controls */
|
|
struct v4l2_ctrl *link_freq;
|
|
struct v4l2_ctrl *pixel_rate;
|
|
struct v4l2_ctrl *vblank;
|
|
struct v4l2_ctrl *hblank;
|
|
struct v4l2_ctrl *exposure;
|
|
|
|
/* Current mode */
|
|
const struct ov13858_mode *cur_mode;
|
|
|
|
/* Mutex for serialized access */
|
|
struct mutex mutex;
|
|
|
|
/* Streaming on/off */
|
|
bool streaming;
|
|
};
|
|
|
|
#define to_ov13858(_sd) container_of(_sd, struct ov13858, sd)
|
|
|
|
/* Read registers up to 4 at a time */
|
|
static int ov13858_read_reg(struct ov13858 *ov13858, u16 reg, u32 len, u32 *val)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
struct i2c_msg msgs[2];
|
|
u8 *data_be_p;
|
|
int ret;
|
|
u32 data_be = 0;
|
|
u16 reg_addr_be = cpu_to_be16(reg);
|
|
|
|
if (len > 4)
|
|
return -EINVAL;
|
|
|
|
data_be_p = (u8 *)&data_be;
|
|
/* Write register address */
|
|
msgs[0].addr = client->addr;
|
|
msgs[0].flags = 0;
|
|
msgs[0].len = 2;
|
|
msgs[0].buf = (u8 *)®_addr_be;
|
|
|
|
/* Read data from register */
|
|
msgs[1].addr = client->addr;
|
|
msgs[1].flags = I2C_M_RD;
|
|
msgs[1].len = len;
|
|
msgs[1].buf = &data_be_p[4 - len];
|
|
|
|
ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
|
|
if (ret != ARRAY_SIZE(msgs))
|
|
return -EIO;
|
|
|
|
*val = be32_to_cpu(data_be);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Write registers up to 4 at a time */
|
|
static int ov13858_write_reg(struct ov13858 *ov13858, u16 reg, u32 len, u32 val)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
int buf_i, val_i;
|
|
u8 buf[6], *val_p;
|
|
|
|
if (len > 4)
|
|
return -EINVAL;
|
|
|
|
buf[0] = reg >> 8;
|
|
buf[1] = reg & 0xff;
|
|
|
|
val = cpu_to_be32(val);
|
|
val_p = (u8 *)&val;
|
|
buf_i = 2;
|
|
val_i = 4 - len;
|
|
|
|
while (val_i < 4)
|
|
buf[buf_i++] = val_p[val_i++];
|
|
|
|
if (i2c_master_send(client, buf, len + 2) != len + 2)
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Write a list of registers */
|
|
static int ov13858_write_regs(struct ov13858 *ov13858,
|
|
const struct ov13858_reg *regs, u32 len)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
int ret;
|
|
u32 i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
ret = ov13858_write_reg(ov13858, regs[i].address, 1,
|
|
regs[i].val);
|
|
if (ret) {
|
|
dev_err_ratelimited(
|
|
&client->dev,
|
|
"Failed to write reg 0x%4.4x. error = %d\n",
|
|
regs[i].address, ret);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov13858_write_reg_list(struct ov13858 *ov13858,
|
|
const struct ov13858_reg_list *r_list)
|
|
{
|
|
return ov13858_write_regs(ov13858, r_list->regs, r_list->num_of_regs);
|
|
}
|
|
|
|
/* Open sub-device */
|
|
static int ov13858_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
|
{
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_get_try_format(sd,
|
|
fh->pad,
|
|
0);
|
|
|
|
mutex_lock(&ov13858->mutex);
|
|
|
|
/* Initialize try_fmt */
|
|
try_fmt->width = ov13858->cur_mode->width;
|
|
try_fmt->height = ov13858->cur_mode->height;
|
|
try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
|
|
try_fmt->field = V4L2_FIELD_NONE;
|
|
|
|
/* No crop or compose */
|
|
mutex_unlock(&ov13858->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov13858_update_digital_gain(struct ov13858 *ov13858, u32 d_gain)
|
|
{
|
|
int ret;
|
|
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_B_MWB_GAIN,
|
|
OV13858_REG_VALUE_16BIT, d_gain);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_G_MWB_GAIN,
|
|
OV13858_REG_VALUE_16BIT, d_gain);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_R_MWB_GAIN,
|
|
OV13858_REG_VALUE_16BIT, d_gain);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ov13858_enable_test_pattern(struct ov13858 *ov13858, u32 pattern)
|
|
{
|
|
int ret;
|
|
u32 val;
|
|
|
|
ret = ov13858_read_reg(ov13858, OV13858_REG_TEST_PATTERN,
|
|
OV13858_REG_VALUE_08BIT, &val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (pattern) {
|
|
val &= OV13858_TEST_PATTERN_MASK;
|
|
val |= (pattern - 1) | OV13858_TEST_PATTERN_ENABLE;
|
|
} else {
|
|
val &= ~OV13858_TEST_PATTERN_ENABLE;
|
|
}
|
|
|
|
return ov13858_write_reg(ov13858, OV13858_REG_TEST_PATTERN,
|
|
OV13858_REG_VALUE_08BIT, val);
|
|
}
|
|
|
|
static int ov13858_set_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct ov13858 *ov13858 = container_of(ctrl->handler,
|
|
struct ov13858, ctrl_handler);
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
s64 max;
|
|
int ret;
|
|
|
|
/* Propagate change of current control to all related controls */
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_VBLANK:
|
|
/* Update max exposure while meeting expected vblanking */
|
|
max = ov13858->cur_mode->height + ctrl->val - 8;
|
|
__v4l2_ctrl_modify_range(ov13858->exposure,
|
|
ov13858->exposure->minimum,
|
|
max, ov13858->exposure->step, max);
|
|
break;
|
|
};
|
|
|
|
/*
|
|
* Applying V4L2 control value only happens
|
|
* when power is up for streaming
|
|
*/
|
|
if (pm_runtime_get_if_in_use(&client->dev) <= 0)
|
|
return 0;
|
|
|
|
ret = 0;
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_ANALOGUE_GAIN:
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_ANALOG_GAIN,
|
|
OV13858_REG_VALUE_16BIT, ctrl->val);
|
|
break;
|
|
case V4L2_CID_DIGITAL_GAIN:
|
|
ret = ov13858_update_digital_gain(ov13858, ctrl->val);
|
|
break;
|
|
case V4L2_CID_EXPOSURE:
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_EXPOSURE,
|
|
OV13858_REG_VALUE_24BIT,
|
|
ctrl->val << 4);
|
|
break;
|
|
case V4L2_CID_VBLANK:
|
|
/* Update VTS that meets expected vertical blanking */
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_VTS,
|
|
OV13858_REG_VALUE_16BIT,
|
|
ov13858->cur_mode->height
|
|
+ ctrl->val);
|
|
break;
|
|
case V4L2_CID_TEST_PATTERN:
|
|
ret = ov13858_enable_test_pattern(ov13858, ctrl->val);
|
|
break;
|
|
default:
|
|
dev_info(&client->dev,
|
|
"ctrl(id:0x%x,val:0x%x) is not handled\n",
|
|
ctrl->id, ctrl->val);
|
|
break;
|
|
};
|
|
|
|
pm_runtime_put(&client->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops ov13858_ctrl_ops = {
|
|
.s_ctrl = ov13858_set_ctrl,
|
|
};
|
|
|
|
static int ov13858_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
/* Only one bayer order(GRBG) is supported */
|
|
if (code->index > 0)
|
|
return -EINVAL;
|
|
|
|
code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov13858_enum_frame_size(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
if (fse->index >= ARRAY_SIZE(supported_modes))
|
|
return -EINVAL;
|
|
|
|
if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
|
|
return -EINVAL;
|
|
|
|
fse->min_width = supported_modes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->min_height = supported_modes[fse->index].height;
|
|
fse->max_height = fse->min_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ov13858_update_pad_format(const struct ov13858_mode *mode,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
fmt->format.width = mode->width;
|
|
fmt->format.height = mode->height;
|
|
fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
|
|
fmt->format.field = V4L2_FIELD_NONE;
|
|
}
|
|
|
|
static int ov13858_do_get_pad_format(struct ov13858 *ov13858,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct v4l2_mbus_framefmt *framefmt;
|
|
struct v4l2_subdev *sd = &ov13858->sd;
|
|
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
|
|
fmt->format = *framefmt;
|
|
} else {
|
|
ov13858_update_pad_format(ov13858->cur_mode, fmt);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov13858_get_pad_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
int ret;
|
|
|
|
mutex_lock(&ov13858->mutex);
|
|
ret = ov13858_do_get_pad_format(ov13858, cfg, fmt);
|
|
mutex_unlock(&ov13858->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Calculate resolution distance
|
|
*/
|
|
static int
|
|
ov13858_get_resolution_dist(const struct ov13858_mode *mode,
|
|
struct v4l2_mbus_framefmt *framefmt)
|
|
{
|
|
return abs(mode->width - framefmt->width) +
|
|
abs(mode->height - framefmt->height);
|
|
}
|
|
|
|
/*
|
|
* Find the closest supported resolution to the requested resolution
|
|
*/
|
|
static const struct ov13858_mode *
|
|
ov13858_find_best_fit(struct ov13858 *ov13858,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
int i, dist, cur_best_fit = 0, cur_best_fit_dist = -1;
|
|
struct v4l2_mbus_framefmt *framefmt = &fmt->format;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
|
|
dist = ov13858_get_resolution_dist(&supported_modes[i],
|
|
framefmt);
|
|
if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
|
|
cur_best_fit_dist = dist;
|
|
cur_best_fit = i;
|
|
}
|
|
}
|
|
|
|
return &supported_modes[cur_best_fit];
|
|
}
|
|
|
|
static int
|
|
ov13858_set_pad_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmt)
|
|
{
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
const struct ov13858_mode *mode;
|
|
struct v4l2_mbus_framefmt *framefmt;
|
|
s32 vblank_def;
|
|
s32 vblank_min;
|
|
s64 h_blank;
|
|
s64 pixel_rate;
|
|
s64 link_freq;
|
|
|
|
mutex_lock(&ov13858->mutex);
|
|
|
|
/* Only one raw bayer(GRBG) order is supported */
|
|
if (fmt->format.code != MEDIA_BUS_FMT_SGRBG10_1X10)
|
|
fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
|
|
|
|
mode = ov13858_find_best_fit(ov13858, fmt);
|
|
ov13858_update_pad_format(mode, fmt);
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
|
|
*framefmt = fmt->format;
|
|
} else {
|
|
ov13858->cur_mode = mode;
|
|
__v4l2_ctrl_s_ctrl(ov13858->link_freq, mode->link_freq_index);
|
|
link_freq = link_freq_menu_items[mode->link_freq_index];
|
|
pixel_rate = link_freq_to_pixel_rate(link_freq);
|
|
__v4l2_ctrl_s_ctrl_int64(ov13858->pixel_rate, pixel_rate);
|
|
|
|
/* Update limits and set FPS to default */
|
|
vblank_def = ov13858->cur_mode->vts_def -
|
|
ov13858->cur_mode->height;
|
|
vblank_min = ov13858->cur_mode->vts_min -
|
|
ov13858->cur_mode->height;
|
|
__v4l2_ctrl_modify_range(
|
|
ov13858->vblank, vblank_min,
|
|
OV13858_VTS_MAX - ov13858->cur_mode->height, 1,
|
|
vblank_def);
|
|
__v4l2_ctrl_s_ctrl(ov13858->vblank, vblank_def);
|
|
h_blank =
|
|
link_freq_configs[mode->link_freq_index].pixels_per_line
|
|
- ov13858->cur_mode->width;
|
|
__v4l2_ctrl_modify_range(ov13858->hblank, h_blank,
|
|
h_blank, 1, h_blank);
|
|
}
|
|
|
|
mutex_unlock(&ov13858->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov13858_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
|
|
{
|
|
*frames = OV13858_NUM_OF_SKIP_FRAMES;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Start streaming */
|
|
static int ov13858_start_streaming(struct ov13858 *ov13858)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
const struct ov13858_reg_list *reg_list;
|
|
int ret, link_freq_index;
|
|
|
|
/* Get out of from software reset */
|
|
ret = ov13858_write_reg(ov13858, OV13858_REG_SOFTWARE_RST,
|
|
OV13858_REG_VALUE_08BIT, OV13858_SOFTWARE_RST);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s failed to set powerup registers\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
|
|
/* Setup PLL */
|
|
link_freq_index = ov13858->cur_mode->link_freq_index;
|
|
reg_list = &link_freq_configs[link_freq_index].reg_list;
|
|
ret = ov13858_write_reg_list(ov13858, reg_list);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s failed to set plls\n", __func__);
|
|
return ret;
|
|
}
|
|
|
|
/* Apply default values of current mode */
|
|
reg_list = &ov13858->cur_mode->reg_list;
|
|
ret = ov13858_write_reg_list(ov13858, reg_list);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s failed to set mode\n", __func__);
|
|
return ret;
|
|
}
|
|
|
|
/* Apply customized values from user */
|
|
ret = __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return ov13858_write_reg(ov13858, OV13858_REG_MODE_SELECT,
|
|
OV13858_REG_VALUE_08BIT,
|
|
OV13858_MODE_STREAMING);
|
|
}
|
|
|
|
/* Stop streaming */
|
|
static int ov13858_stop_streaming(struct ov13858 *ov13858)
|
|
{
|
|
return ov13858_write_reg(ov13858, OV13858_REG_MODE_SELECT,
|
|
OV13858_REG_VALUE_08BIT, OV13858_MODE_STANDBY);
|
|
}
|
|
|
|
static int ov13858_set_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
mutex_lock(&ov13858->mutex);
|
|
if (ov13858->streaming == enable) {
|
|
mutex_unlock(&ov13858->mutex);
|
|
return 0;
|
|
}
|
|
|
|
if (enable) {
|
|
ret = pm_runtime_get_sync(&client->dev);
|
|
if (ret < 0) {
|
|
pm_runtime_put_noidle(&client->dev);
|
|
goto err_unlock;
|
|
}
|
|
|
|
/*
|
|
* Apply default & customized values
|
|
* and then start streaming.
|
|
*/
|
|
ret = ov13858_start_streaming(ov13858);
|
|
if (ret)
|
|
goto err_rpm_put;
|
|
} else {
|
|
ov13858_stop_streaming(ov13858);
|
|
pm_runtime_put(&client->dev);
|
|
}
|
|
|
|
ov13858->streaming = enable;
|
|
mutex_unlock(&ov13858->mutex);
|
|
|
|
return ret;
|
|
|
|
err_rpm_put:
|
|
pm_runtime_put(&client->dev);
|
|
err_unlock:
|
|
mutex_unlock(&ov13858->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __maybe_unused ov13858_suspend(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
|
|
if (ov13858->streaming)
|
|
ov13858_stop_streaming(ov13858);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused ov13858_resume(struct device *dev)
|
|
{
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
int ret;
|
|
|
|
if (ov13858->streaming) {
|
|
ret = ov13858_start_streaming(ov13858);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
return 0;
|
|
|
|
error:
|
|
ov13858_stop_streaming(ov13858);
|
|
ov13858->streaming = 0;
|
|
return ret;
|
|
}
|
|
|
|
/* Verify chip ID */
|
|
static int ov13858_identify_module(struct ov13858 *ov13858)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
int ret;
|
|
u32 val;
|
|
|
|
ret = ov13858_read_reg(ov13858, OV13858_REG_CHIP_ID,
|
|
OV13858_REG_VALUE_24BIT, &val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (val != OV13858_CHIP_ID) {
|
|
dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
|
|
OV13858_CHIP_ID, val);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_subdev_video_ops ov13858_video_ops = {
|
|
.s_stream = ov13858_set_stream,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops ov13858_pad_ops = {
|
|
.enum_mbus_code = ov13858_enum_mbus_code,
|
|
.get_fmt = ov13858_get_pad_format,
|
|
.set_fmt = ov13858_set_pad_format,
|
|
.enum_frame_size = ov13858_enum_frame_size,
|
|
};
|
|
|
|
static const struct v4l2_subdev_sensor_ops ov13858_sensor_ops = {
|
|
.g_skip_frames = ov13858_get_skip_frames,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops ov13858_subdev_ops = {
|
|
.video = &ov13858_video_ops,
|
|
.pad = &ov13858_pad_ops,
|
|
.sensor = &ov13858_sensor_ops,
|
|
};
|
|
|
|
static const struct media_entity_operations ov13858_subdev_entity_ops = {
|
|
.link_validate = v4l2_subdev_link_validate,
|
|
};
|
|
|
|
static const struct v4l2_subdev_internal_ops ov13858_internal_ops = {
|
|
.open = ov13858_open,
|
|
};
|
|
|
|
/* Initialize control handlers */
|
|
static int ov13858_init_controls(struct ov13858 *ov13858)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
|
|
struct v4l2_ctrl_handler *ctrl_hdlr;
|
|
s64 exposure_max;
|
|
s64 vblank_def;
|
|
s64 vblank_min;
|
|
s64 hblank;
|
|
s64 pixel_rate_min;
|
|
s64 pixel_rate_max;
|
|
const struct ov13858_mode *mode;
|
|
int ret;
|
|
|
|
ctrl_hdlr = &ov13858->ctrl_handler;
|
|
ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
|
|
if (ret)
|
|
return ret;
|
|
|
|
mutex_init(&ov13858->mutex);
|
|
ctrl_hdlr->lock = &ov13858->mutex;
|
|
ov13858->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
|
|
&ov13858_ctrl_ops,
|
|
V4L2_CID_LINK_FREQ,
|
|
OV13858_NUM_OF_LINK_FREQS - 1,
|
|
0,
|
|
link_freq_menu_items);
|
|
ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
|
|
pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]);
|
|
/* By default, PIXEL_RATE is read only */
|
|
ov13858->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops,
|
|
V4L2_CID_PIXEL_RATE,
|
|
pixel_rate_min, pixel_rate_max,
|
|
1, pixel_rate_max);
|
|
|
|
mode = ov13858->cur_mode;
|
|
vblank_def = mode->vts_def - mode->height;
|
|
vblank_min = mode->vts_min - mode->height;
|
|
ov13858->vblank = v4l2_ctrl_new_std(
|
|
ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_VBLANK,
|
|
vblank_min, OV13858_VTS_MAX - mode->height, 1,
|
|
vblank_def);
|
|
|
|
hblank = link_freq_configs[mode->link_freq_index].pixels_per_line -
|
|
mode->width;
|
|
ov13858->hblank = v4l2_ctrl_new_std(
|
|
ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_HBLANK,
|
|
hblank, hblank, 1, hblank);
|
|
ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
exposure_max = mode->vts_def - 8;
|
|
ov13858->exposure = v4l2_ctrl_new_std(
|
|
ctrl_hdlr, &ov13858_ctrl_ops,
|
|
V4L2_CID_EXPOSURE, OV13858_EXPOSURE_MIN,
|
|
exposure_max, OV13858_EXPOSURE_STEP,
|
|
OV13858_EXPOSURE_DEFAULT);
|
|
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
|
|
OV13858_ANA_GAIN_MIN, OV13858_ANA_GAIN_MAX,
|
|
OV13858_ANA_GAIN_STEP, OV13858_ANA_GAIN_DEFAULT);
|
|
|
|
/* Digital gain */
|
|
v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
|
|
OV13858_DGTL_GAIN_MIN, OV13858_DGTL_GAIN_MAX,
|
|
OV13858_DGTL_GAIN_STEP, OV13858_DGTL_GAIN_DEFAULT);
|
|
|
|
v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov13858_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(ov13858_test_pattern_menu) - 1,
|
|
0, 0, ov13858_test_pattern_menu);
|
|
if (ctrl_hdlr->error) {
|
|
ret = ctrl_hdlr->error;
|
|
dev_err(&client->dev, "%s control init failed (%d)\n",
|
|
__func__, ret);
|
|
goto error;
|
|
}
|
|
|
|
ov13858->sd.ctrl_handler = ctrl_hdlr;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
v4l2_ctrl_handler_free(ctrl_hdlr);
|
|
mutex_destroy(&ov13858->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ov13858_free_controls(struct ov13858 *ov13858)
|
|
{
|
|
v4l2_ctrl_handler_free(ov13858->sd.ctrl_handler);
|
|
mutex_destroy(&ov13858->mutex);
|
|
}
|
|
|
|
static int ov13858_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *devid)
|
|
{
|
|
struct ov13858 *ov13858;
|
|
int ret;
|
|
u32 val = 0;
|
|
|
|
device_property_read_u32(&client->dev, "clock-frequency", &val);
|
|
if (val != 19200000)
|
|
return -EINVAL;
|
|
|
|
ov13858 = devm_kzalloc(&client->dev, sizeof(*ov13858), GFP_KERNEL);
|
|
if (!ov13858)
|
|
return -ENOMEM;
|
|
|
|
/* Initialize subdev */
|
|
v4l2_i2c_subdev_init(&ov13858->sd, client, &ov13858_subdev_ops);
|
|
|
|
/* Check module identity */
|
|
ret = ov13858_identify_module(ov13858);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to find sensor: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Set default mode to max resolution */
|
|
ov13858->cur_mode = &supported_modes[0];
|
|
|
|
ret = ov13858_init_controls(ov13858);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Initialize subdev */
|
|
ov13858->sd.internal_ops = &ov13858_internal_ops;
|
|
ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
|
ov13858->sd.entity.ops = &ov13858_subdev_entity_ops;
|
|
ov13858->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
|
|
/* Initialize source pad */
|
|
ov13858->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
ret = media_entity_pads_init(&ov13858->sd.entity, 1, &ov13858->pad);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s failed:%d\n", __func__, ret);
|
|
goto error_handler_free;
|
|
}
|
|
|
|
ret = v4l2_async_register_subdev_sensor_common(&ov13858->sd);
|
|
if (ret < 0)
|
|
goto error_media_entity;
|
|
|
|
/*
|
|
* Device is already turned on by i2c-core with ACPI domain PM.
|
|
* Enable runtime PM and turn off the device.
|
|
*/
|
|
pm_runtime_get_noresume(&client->dev);
|
|
pm_runtime_set_active(&client->dev);
|
|
pm_runtime_enable(&client->dev);
|
|
pm_runtime_put(&client->dev);
|
|
|
|
return 0;
|
|
|
|
error_media_entity:
|
|
media_entity_cleanup(&ov13858->sd.entity);
|
|
|
|
error_handler_free:
|
|
ov13858_free_controls(ov13858);
|
|
dev_err(&client->dev, "%s failed:%d\n", __func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ov13858_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov13858 *ov13858 = to_ov13858(sd);
|
|
|
|
v4l2_async_unregister_subdev(sd);
|
|
media_entity_cleanup(&sd->entity);
|
|
ov13858_free_controls(ov13858);
|
|
|
|
/*
|
|
* Disable runtime PM but keep the device turned on.
|
|
* i2c-core with ACPI domain PM will turn off the device.
|
|
*/
|
|
pm_runtime_get_sync(&client->dev);
|
|
pm_runtime_disable(&client->dev);
|
|
pm_runtime_set_suspended(&client->dev);
|
|
pm_runtime_put_noidle(&client->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id ov13858_id_table[] = {
|
|
{"ov13858", 0},
|
|
{},
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(i2c, ov13858_id_table);
|
|
|
|
static const struct dev_pm_ops ov13858_pm_ops = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(ov13858_suspend, ov13858_resume)
|
|
};
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id ov13858_acpi_ids[] = {
|
|
{"OVTID858"},
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(acpi, ov13858_acpi_ids);
|
|
#endif
|
|
|
|
static struct i2c_driver ov13858_i2c_driver = {
|
|
.driver = {
|
|
.name = "ov13858",
|
|
.owner = THIS_MODULE,
|
|
.pm = &ov13858_pm_ops,
|
|
.acpi_match_table = ACPI_PTR(ov13858_acpi_ids),
|
|
},
|
|
.probe = ov13858_probe,
|
|
.remove = ov13858_remove,
|
|
.id_table = ov13858_id_table,
|
|
};
|
|
|
|
module_i2c_driver(ov13858_i2c_driver);
|
|
|
|
MODULE_AUTHOR("Kan, Chris <chris.kan@intel.com>");
|
|
MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
|
|
MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
|
|
MODULE_DESCRIPTION("Omnivision ov13858 sensor driver");
|
|
MODULE_LICENSE("GPL v2");
|