Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * imx274.c - IMX274 CMOS Image Sensor driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  * Copyright (C) 2017, Leopard Imaging, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  * Leon Luo <leonl@leopardimaging.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  * Edwin Zou <edwinz@leopardimaging.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  * Luca Ceresoli <luca@lucaceresoli.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/v4l2-mediabus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #include <media/v4l2-subdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31)  * See "SHR, SVR Setting" in datasheet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) #define IMX274_DEFAULT_FRAME_LENGTH		(4550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) #define IMX274_MAX_FRAME_LENGTH			(0x000fffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37)  * See "Frame Rate Adjustment" in datasheet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #define IMX274_PIXCLK_CONST1			(72000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) #define IMX274_PIXCLK_CONST2			(1000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43)  * The input gain is shifted by IMX274_GAIN_SHIFT to get
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44)  * decimal number. The real gain is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45)  * (float)input_gain_value / (1 << IMX274_GAIN_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #define IMX274_GAIN_SHIFT			(8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) #define IMX274_GAIN_SHIFT_MASK			((1 << IMX274_GAIN_SHIFT) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51)  * See "Analog Gain" and "Digital Gain" in datasheet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52)  * min gain is 1X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53)  * max gain is calculated based on IMX274_GAIN_REG_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) #define IMX274_GAIN_REG_MAX			(1957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) #define IMX274_MIN_GAIN				(0x01 << IMX274_GAIN_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) #define IMX274_MAX_ANALOG_GAIN			((2048 << IMX274_GAIN_SHIFT)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) 					/ (2048 - IMX274_GAIN_REG_MAX))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) #define IMX274_MAX_DIGITAL_GAIN			(8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #define IMX274_DEF_GAIN				(20 << IMX274_GAIN_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) #define IMX274_GAIN_CONST			(2048) /* for gain formula */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64)  * 1 line time in us = (HMAX / 72), minimal is 4 lines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) #define IMX274_MIN_EXPOSURE_TIME		(4 * 260 / 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) #define IMX274_DEFAULT_BINNING			IMX274_BINNING_OFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) #define IMX274_MAX_WIDTH			(3840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) #define IMX274_MAX_HEIGHT			(2160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) #define IMX274_MAX_FRAME_RATE			(120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) #define IMX274_MIN_FRAME_RATE			(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) #define IMX274_DEF_FRAME_RATE			(60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76)  * register SHR is limited to (SVR value + 1) x VMAX value - 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) #define IMX274_SHR_LIMIT_CONST			(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81)  * Min and max sensor reset delay (microseconds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) #define IMX274_RESET_DELAY1			(2000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) #define IMX274_RESET_DELAY2			(2200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87)  * shift and mask constants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) #define IMX274_SHIFT_8_BITS			(8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) #define IMX274_SHIFT_16_BITS			(16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) #define IMX274_MASK_LSB_2_BITS			(0x03)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) #define IMX274_MASK_LSB_3_BITS			(0x07)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) #define IMX274_MASK_LSB_4_BITS			(0x0f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) #define IMX274_MASK_LSB_8_BITS			(0x00ff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) #define DRIVER_NAME "IMX274"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99)  * IMX274 register definitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) #define IMX274_SHR_REG_MSB			0x300D /* SHR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) #define IMX274_SHR_REG_LSB			0x300C /* SHR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) #define IMX274_SVR_REG_MSB			0x300F /* SVR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) #define IMX274_SVR_REG_LSB			0x300E /* SVR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) #define IMX274_HTRIM_EN_REG			0x3037
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) #define IMX274_HTRIM_START_REG_LSB		0x3038
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) #define IMX274_HTRIM_START_REG_MSB		0x3039
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) #define IMX274_HTRIM_END_REG_LSB		0x303A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) #define IMX274_HTRIM_END_REG_MSB		0x303B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) #define IMX274_VWIDCUTEN_REG			0x30DD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) #define IMX274_VWIDCUT_REG_LSB			0x30DE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) #define IMX274_VWIDCUT_REG_MSB			0x30DF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) #define IMX274_VWINPOS_REG_LSB			0x30E0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) #define IMX274_VWINPOS_REG_MSB			0x30E1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) #define IMX274_WRITE_VSIZE_REG_LSB		0x3130
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) #define IMX274_WRITE_VSIZE_REG_MSB		0x3131
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) #define IMX274_Y_OUT_SIZE_REG_LSB		0x3132
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) #define IMX274_Y_OUT_SIZE_REG_MSB		0x3133
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) #define IMX274_VMAX_REG_1			0x30FA /* VMAX, MSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) #define IMX274_VMAX_REG_2			0x30F9 /* VMAX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) #define IMX274_VMAX_REG_3			0x30F8 /* VMAX, LSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) #define IMX274_HMAX_REG_MSB			0x30F7 /* HMAX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) #define IMX274_HMAX_REG_LSB			0x30F6 /* HMAX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) #define IMX274_ANALOG_GAIN_ADDR_LSB		0x300A /* ANALOG GAIN LSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) #define IMX274_ANALOG_GAIN_ADDR_MSB		0x300B /* ANALOG GAIN MSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) #define IMX274_DIGITAL_GAIN_REG			0x3012 /* Digital Gain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) #define IMX274_VFLIP_REG			0x301A /* VERTICAL FLIP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) #define IMX274_TEST_PATTERN_REG			0x303D /* TEST PATTERN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) #define IMX274_STANDBY_REG			0x3000 /* STANDBY */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) #define IMX274_TABLE_WAIT_MS			0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) #define IMX274_TABLE_END			1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135)  * imx274 I2C operation related structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) struct reg_8 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 	u16 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) static const struct regmap_config imx274_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	.reg_bits = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	.val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 	.cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) enum imx274_binning {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 	IMX274_BINNING_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	IMX274_BINNING_2_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	IMX274_BINNING_3_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155)  * Parameters for each imx274 readout mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157)  * These are the values to configure the sensor in one of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158)  * implemented modes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160)  * @init_regs: registers to initialize the mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161)  * @bin_ratio: downscale factor (e.g. 3 for 3:1 binning)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162)  * @min_frame_len: Minimum frame length for each mode (see "Frame Rate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163)  *                 Adjustment (CSI-2)" in the datasheet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164)  * @min_SHR: Minimum SHR register value (see "Shutter Setting (CSI-2)" in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165)  *           datasheet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166)  * @max_fps: Maximum frames per second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167)  * @nocpiop: Number of clocks per internal offset period (see "Integration Time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168)  *           in Each Readout Drive Mode (CSI-2)" in the datasheet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) struct imx274_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	const struct reg_8 *init_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	unsigned int bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	int min_frame_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	int min_SHR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	int max_fps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	int nocpiop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180)  * imx274 test pattern related structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	TEST_PATTERN_DISABLED = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	TEST_PATTERN_ALL_000H,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	TEST_PATTERN_ALL_FFFH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	TEST_PATTERN_ALL_555H,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	TEST_PATTERN_ALL_AAAH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	TEST_PATTERN_VSP_5AH, /* VERTICAL STRIPE PATTERN 555H/AAAH */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	TEST_PATTERN_VSP_A5H, /* VERTICAL STRIPE PATTERN AAAH/555H */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	TEST_PATTERN_VSP_05H, /* VERTICAL STRIPE PATTERN 000H/555H */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	TEST_PATTERN_VSP_50H, /* VERTICAL STRIPE PATTERN 555H/000H */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	TEST_PATTERN_VSP_0FH, /* VERTICAL STRIPE PATTERN 000H/FFFH */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	TEST_PATTERN_VSP_F0H, /* VERTICAL STRIPE PATTERN FFFH/000H */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	TEST_PATTERN_H_COLOR_BARS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	TEST_PATTERN_V_COLOR_BARS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) static const char * const tp_qmenu[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	"Disabled",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	"All 000h Pattern",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	"All FFFh Pattern",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	"All 555h Pattern",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 	"All AAAh Pattern",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	"Vertical Stripe (555h / AAAh)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	"Vertical Stripe (AAAh / 555h)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	"Vertical Stripe (000h / 555h)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	"Vertical Stripe (555h / 000h)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	"Vertical Stripe (000h / FFFh)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 	"Vertical Stripe (FFFh / 000h)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	"Vertical Color Bars",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	"Horizontal Color Bars",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215)  * All-pixel scan mode (10-bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216)  * imx274 mode1(refer to datasheet) register configuration with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217)  * 3840x2160 resolution, raw10 data and mipi four lane output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) static const struct reg_8 imx274_mode1_3840x2160_raw10[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 	{0x3004, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 	{0x3005, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 	{0x3006, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	{0x3007, 0xa2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 	{0x3018, 0xA2}, /* output XVS, HVS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	{0x306B, 0x05},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	{0x30E2, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	{0x30EE, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	{0x3342, 0x0A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 	{0x3343, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 	{0x3344, 0x16},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 	{0x3345, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 	{0x33A6, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	{0x3528, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 	{0x3554, 0x1F},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 	{0x3555, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 	{0x3556, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 	{0x3557, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 	{0x3558, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 	{0x3559, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 	{0x355A, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 	{0x35BA, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 	{0x366A, 0x1B},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	{0x366B, 0x1A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 	{0x366C, 0x19},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 	{0x366D, 0x17},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 	{0x3A41, 0x08},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255)  * Horizontal/vertical 2/2-line binning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256)  * (Horizontal and vertical weightedbinning, 10-bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257)  * imx274 mode3(refer to datasheet) register configuration with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258)  * 1920x1080 resolution, raw10 data and mipi four lane output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) static const struct reg_8 imx274_mode3_1920x1080_raw10[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 	{0x3004, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 	{0x3005, 0x21},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	{0x3006, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	{0x3007, 0xb1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 	{0x3018, 0xA2}, /* output XVS, HVS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 	{0x306B, 0x05},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	{0x30E2, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 	{0x30EE, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	{0x3342, 0x0A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	{0x3343, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 	{0x3344, 0x1A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 	{0x3345, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 	{0x33A6, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 	{0x3528, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 	{0x3554, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 	{0x3555, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 	{0x3556, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	{0x3557, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	{0x3558, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 	{0x3559, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 	{0x355A, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 	{0x35BA, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 	{0x366A, 0x1B},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 	{0x366B, 0x1A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 	{0x366C, 0x19},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 	{0x366D, 0x17},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 	{0x3A41, 0x08},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296)  * Vertical 2/3 subsampling binning horizontal 3 binning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297)  * imx274 mode5(refer to datasheet) register configuration with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298)  * 1280x720 resolution, raw10 data and mipi four lane output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) static const struct reg_8 imx274_mode5_1280x720_raw10[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 	{0x3004, 0x03},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 	{0x3005, 0x31},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 	{0x3006, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 	{0x3007, 0xa9},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 	{0x3018, 0xA2}, /* output XVS, HVS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 	{0x306B, 0x05},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	{0x30E2, 0x03},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	{0x30EE, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 	{0x3342, 0x0A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 	{0x3343, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 	{0x3344, 0x1B},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 	{0x3345, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 	{0x33A6, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	{0x3528, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	{0x3554, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 	{0x3555, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 	{0x3556, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 	{0x3557, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	{0x3558, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	{0x3559, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	{0x355A, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	{0x35BA, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	{0x366A, 0x1B},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	{0x366B, 0x19},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 	{0x366C, 0x17},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	{0x366D, 0x17},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 	{0x3A41, 0x04},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336)  * imx274 first step register configuration for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337)  * starting stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) static const struct reg_8 imx274_start_1[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 	{IMX274_STANDBY_REG, 0x12},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	/* PLRD: clock settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	{0x3120, 0xF0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 	{0x3121, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	{0x3122, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	{0x3129, 0x9C},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	{0x312A, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 	{0x312D, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	{0x310B, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	/* PLSTMG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 	{0x304C, 0x00}, /* PLSTMG01 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	{0x304D, 0x03},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	{0x331C, 0x1A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	{0x331D, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	{0x3502, 0x02},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 	{0x3529, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	{0x352A, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 	{0x352B, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	{0x3538, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 	{0x3539, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 	{0x3553, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	{0x357D, 0x05},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	{0x357F, 0x05},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 	{0x3581, 0x04},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	{0x3583, 0x76},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 	{0x3587, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 	{0x35BB, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	{0x35BC, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 	{0x35BD, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 	{0x35BE, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 	{0x35BF, 0x0E},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	{0x366E, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	{0x366F, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	{0x3670, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 	{0x3671, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 	/* PSMIPI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 	{0x3304, 0x32}, /* PSMIPI1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 	{0x3305, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 	{0x3306, 0x32},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 	{0x3307, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 	{0x3590, 0x32},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	{0x3591, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 	{0x3686, 0x32},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 	{0x3687, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393)  * imx274 second step register configuration for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394)  * starting stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) static const struct reg_8 imx274_start_2[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 	{IMX274_STANDBY_REG, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	{0x303E, 0x02}, /* SYS_MODE = 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403)  * imx274 third step register configuration for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404)  * starting stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) static const struct reg_8 imx274_start_3[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 	{0x30F4, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 	{0x3018, 0xA2}, /* XHS VHS OUTPUT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413)  * imx274 register configuration for stopping stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) static const struct reg_8 imx274_stop[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	{IMX274_STANDBY_REG, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421)  * imx274 disable test pattern register configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) static const struct reg_8 imx274_tp_disabled[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	{0x303C, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	{0x377F, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	{0x3781, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 	{0x370B, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432)  * imx274 test pattern register configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433)  * reg 0x303D defines the test pattern modes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) static const struct reg_8 imx274_tp_regs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 	{0x303C, 0x11},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 	{0x370E, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 	{0x377F, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	{0x3781, 0x01},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 	{0x370B, 0x11},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 	{IMX274_TABLE_END, 0x00}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) /* nocpiop happens to be the same number for the implemented modes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) static const struct imx274_mode imx274_modes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 		/* mode 1, 4K */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		.bin_ratio = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 		.init_regs = imx274_mode1_3840x2160_raw10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 		.min_frame_len = 4550,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 		.min_SHR = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 		.max_fps = 60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 		.nocpiop = 112,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 		/* mode 3, 1080p */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 		.bin_ratio = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 		.init_regs = imx274_mode3_1920x1080_raw10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 		.min_frame_len = 2310,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 		.min_SHR = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 		.max_fps = 120,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 		.nocpiop = 112,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 		/* mode 5, 720p */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 		.bin_ratio = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 		.init_regs = imx274_mode5_1280x720_raw10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 		.min_frame_len = 2310,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 		.min_SHR = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 		.max_fps = 120,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 		.nocpiop = 112,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476)  * struct imx274_ctrls - imx274 ctrl structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477)  * @handler: V4L2 ctrl handler structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478)  * @exposure: Pointer to expsure ctrl structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479)  * @gain: Pointer to gain ctrl structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480)  * @vflip: Pointer to vflip ctrl structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481)  * @test_pattern: Pointer to test pattern ctrl structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) struct imx274_ctrls {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	struct v4l2_ctrl_handler handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	struct v4l2_ctrl *exposure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	struct v4l2_ctrl *gain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 	struct v4l2_ctrl *vflip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 	struct v4l2_ctrl *test_pattern;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492)  * struct stim274 - imx274 device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493)  * @sd: V4L2 subdevice structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494)  * @pad: Media pad structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495)  * @client: Pointer to I2C client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496)  * @ctrls: imx274 control structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497)  * @crop: rect to be captured
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498)  * @compose: compose rect, i.e. output resolution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499)  * @format: V4L2 media bus frame format structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500)  *          (width and height are in sync with the compose rect)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501)  * @frame_rate: V4L2 frame rate structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502)  * @regmap: Pointer to regmap structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503)  * @reset_gpio: Pointer to reset gpio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504)  * @lock: Mutex structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505)  * @mode: Parameters for the selected readout mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) struct stimx274 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 	struct v4l2_subdev sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 	struct media_pad pad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 	struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	struct imx274_ctrls ctrls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 	struct v4l2_rect crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 	struct v4l2_mbus_framefmt format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 	struct v4l2_fract frame_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 	struct gpio_desc *reset_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 	struct mutex lock; /* mutex lock for operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 	const struct imx274_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) #define IMX274_ROUND(dim, step, flags)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 	((flags) & V4L2_SEL_FLAG_GE			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 	 ? roundup((dim), (step))			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	 : ((flags) & V4L2_SEL_FLAG_LE			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 	    ? rounddown((dim), (step))			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 	    : rounddown((dim) + (step) / 2, (step))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529)  * Function declaration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) static int imx274_set_gain(struct stimx274 *priv, struct v4l2_ctrl *ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) static int imx274_set_exposure(struct stimx274 *priv, int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) static int imx274_set_vflip(struct stimx274 *priv, int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) static int imx274_set_test_pattern(struct stimx274 *priv, int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) static int imx274_set_frame_interval(struct stimx274 *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 				     struct v4l2_fract frame_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) static inline void msleep_range(unsigned int delay_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	usleep_range(delay_base * 1000, delay_base * 1000 + 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544)  * v4l2_ctrl and v4l2_subdev related operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	return &container_of(ctrl->handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 			     struct stimx274, ctrls.handler)->sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) static inline struct stimx274 *to_imx274(struct v4l2_subdev *sd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 	return container_of(sd, struct stimx274, sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558)  * Writing a register table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560)  * @priv: Pointer to device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561)  * @table: Table containing register values (with optional delays)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563)  * This is used to write register table into sensor's reg map.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) static int imx274_write_table(struct stimx274 *priv, const struct reg_8 table[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 	struct regmap *regmap = priv->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 	const struct reg_8 *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 	u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	int range_start = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	int range_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	u8 range_vals[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	int max_range_vals = ARRAY_SIZE(range_vals);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	for (next = table;; next++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 		if ((next->addr != range_start + range_count) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 		    (next->addr == IMX274_TABLE_END) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 		    (next->addr == IMX274_TABLE_WAIT_MS) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 		    (range_count == max_range_vals)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 			if (range_count == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 				err = regmap_write(regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 						   range_start, range_vals[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 			else if (range_count > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 				err = regmap_bulk_write(regmap, range_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 							&range_vals[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 							range_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 				err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 				return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 			range_start = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 			range_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 			/* Handle special address values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 			if (next->addr == IMX274_TABLE_END)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 			if (next->addr == IMX274_TABLE_WAIT_MS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 				msleep_range(next->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 		val = next->val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 		if (range_start == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 			range_start = next->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 		range_vals[range_count++] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) static inline int imx274_write_reg(struct stimx274 *priv, u16 addr, u8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 	err = regmap_write(priv->regmap, addr, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		dev_err(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 			"%s : i2c write failed, %x = %x\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 			addr, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 			"%s : addr 0x%x, val=0x%x\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 			addr, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637)  * Read a multibyte register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639)  * Uses a bulk read where possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642)  * @addr: Address of the LSB register.  Other registers must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643)  *        consecutive, least-to-most significant.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644)  * @val: Pointer to store the register value (cpu endianness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645)  * @nbytes: Number of bytes to read (range: [1..3]).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646)  *          Other bytes are zet to 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) static int imx274_read_mbreg(struct stimx274 *priv, u16 addr, u32 *val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 			     size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	__le32 val_le = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 	err = regmap_bulk_read(priv->regmap, addr, &val_le, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 		dev_err(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 			"%s : i2c bulk read failed, %x (%zu bytes)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 			__func__, addr, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 		*val = le32_to_cpu(val_le);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 		dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 			"%s : addr 0x%x, val=0x%x (%zu bytes)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 			__func__, addr, *val, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672)  * Write a multibyte register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674)  * Uses a bulk write where possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677)  * @addr: Address of the LSB register.  Other registers must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678)  *        consecutive, least-to-most significant.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679)  * @val: Value to be written to the register (cpu endianness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680)  * @nbytes: Number of bytes to write (range: [1..3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) static int imx274_write_mbreg(struct stimx274 *priv, u16 addr, u32 val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 			      size_t nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	__le32 val_le = cpu_to_le32(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	err = regmap_bulk_write(priv->regmap, addr, &val_le, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 		dev_err(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 			"%s : i2c bulk write failed, %x = %x (%zu bytes)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 			__func__, addr, val, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 		dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 			"%s : addr 0x%x, val=0x%x (%zu bytes)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 			__func__, addr, val, nbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701)  * Set mode registers to start stream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) static int imx274_mode_regs(struct stimx274 *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	err = imx274_write_table(priv, imx274_start_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 	err = imx274_write_table(priv, priv->mode->init_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720)  * imx274_start_stream - Function for starting stream per mode index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) static int imx274_start_stream(struct stimx274 *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	 * Refer to "Standby Cancel Sequence when using CSI-2" in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 	 * imx274 datasheet, it should wait 10ms or more here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 	 * give it 1 extra ms for margin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 	msleep_range(11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	err = imx274_write_table(priv, imx274_start_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	 * Refer to "Standby Cancel Sequence when using CSI-2" in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	 * imx274 datasheet, it should wait 7ms or more here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	 * give it 1 extra ms for margin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	msleep_range(8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 	err = imx274_write_table(priv, imx274_start_3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753)  * imx274_reset - Function called to reset the sensor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755)  * @rst: Input value for determining the sensor's end state after reset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757)  * Set the senor in reset and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758)  * if rst = 0, keep it in reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759)  * if rst = 1, bring it out of reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) static void imx274_reset(struct stimx274 *priv, int rst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	gpiod_set_value_cansleep(priv->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 	usleep_range(IMX274_RESET_DELAY1, IMX274_RESET_DELAY2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	gpiod_set_value_cansleep(priv->reset_gpio, !!rst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 	usleep_range(IMX274_RESET_DELAY1, IMX274_RESET_DELAY2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771)  * imx274_s_ctrl - This is used to set the imx274 V4L2 controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772)  * @ctrl: V4L2 control to be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774)  * This function is used to set the V4L2 controls for the imx274 sensor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) static int imx274_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 	dev_dbg(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 		"%s : s_ctrl: %s, value: %d\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 		ctrl->name, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 	switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 	case V4L2_CID_EXPOSURE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 		dev_dbg(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 			"%s : set V4L2_CID_EXPOSURE\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 		ret = imx274_set_exposure(imx274, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 	case V4L2_CID_GAIN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		dev_dbg(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 			"%s : set V4L2_CID_GAIN\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 		ret = imx274_set_gain(imx274, ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 	case V4L2_CID_VFLIP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 		dev_dbg(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 			"%s : set V4L2_CID_VFLIP\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 		ret = imx274_set_vflip(imx274, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	case V4L2_CID_TEST_PATTERN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 		dev_dbg(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 			"%s : set V4L2_CID_TEST_PATTERN\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 		ret = imx274_set_test_pattern(imx274, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) static int imx274_binning_goodness(struct stimx274 *imx274,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 				   int w, int ask_w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 				   int h, int ask_h, u32 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 	struct device *dev = &imx274->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 	const int goodness = 100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 	int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 	if (flags & V4L2_SEL_FLAG_GE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 		if (w < ask_w)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 			val -= goodness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 		if (h < ask_h)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 			val -= goodness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 	if (flags & V4L2_SEL_FLAG_LE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 		if (w > ask_w)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 			val -= goodness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 		if (h > ask_h)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 			val -= goodness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 	val -= abs(w - ask_w);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	val -= abs(h - ask_h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	dev_dbg(dev, "%s: ask %dx%d, size %dx%d, goodness %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 		__func__, ask_w, ask_h, w, h, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849)  * Helper function to change binning and set both compose and format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851)  * We have two entry points to change binning: set_fmt and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852)  * set_selection(COMPOSE). Both have to compute the new output size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853)  * and set it in both the compose rect and the frame format size. We
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854)  * also need to do the same things after setting cropping to restore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855)  * 1:1 binning.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857)  * This function contains the common code for these three cases, it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858)  * has many arguments in order to accommodate the needs of all of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859)  * them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861)  * Must be called with imx274->lock locked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863)  * @imx274: The device object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864)  * @cfg:    The pad config we are editing for TRY requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865)  * @which:  V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY from the caller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866)  * @width:  Input-output parameter: set to the desired width before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867)  *          the call, contains the chosen value after returning successfully
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868)  * @height: Input-output parameter for height (see @width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869)  * @flags:  Selection flags from struct v4l2_subdev_selection, or 0 if not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870)  *          available (when called from set_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) static int __imx274_change_compose(struct stimx274 *imx274,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 				   struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 				   u32 which,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 				   u32 *width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 				   u32 *height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 				   u32 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 	struct device *dev = &imx274->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 	const struct v4l2_rect *cur_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 	struct v4l2_mbus_framefmt *tgt_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 	const struct imx274_mode *best_mode = &imx274_modes[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	int best_goodness = INT_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	if (which == V4L2_SUBDEV_FORMAT_TRY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 		cur_crop = &cfg->try_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 		tgt_fmt = &cfg->try_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 		cur_crop = &imx274->crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 		tgt_fmt = &imx274->format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	for (i = 0; i < ARRAY_SIZE(imx274_modes); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 		unsigned int ratio = imx274_modes[i].bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 		int goodness = imx274_binning_goodness(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 			imx274,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 			cur_crop->width / ratio, *width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 			cur_crop->height / ratio, *height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 			flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 		if (goodness >= best_goodness) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 			best_goodness = goodness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 			best_mode = &imx274_modes[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 	*width = cur_crop->width / best_mode->bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 	*height = cur_crop->height / best_mode->bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 	if (which == V4L2_SUBDEV_FORMAT_ACTIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 		imx274->mode = best_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	dev_dbg(dev, "%s: selected %u:1 binning\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		__func__, best_mode->bin_ratio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	tgt_fmt->width = *width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 	tgt_fmt->height = *height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 	tgt_fmt->field = V4L2_FIELD_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926)  * imx274_get_fmt - Get the pad format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927)  * @sd: Pointer to V4L2 Sub device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928)  * @cfg: Pointer to sub device pad information structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929)  * @fmt: Pointer to pad level media bus format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931)  * This function is used to get the pad format information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) static int imx274_get_fmt(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 			  struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 			  struct v4l2_subdev_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	fmt->format = imx274->format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948)  * imx274_set_fmt - This is used to set the pad format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949)  * @sd: Pointer to V4L2 Sub device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950)  * @cfg: Pointer to sub device pad information structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951)  * @format: Pointer to pad level media bus format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953)  * This function is used to set the pad format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) static int imx274_set_fmt(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 			  struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 			  struct v4l2_subdev_format *format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	struct v4l2_mbus_framefmt *fmt = &format->format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	err = __imx274_change_compose(imx274, cfg, format->which,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 				      &fmt->width, &fmt->height, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	 * __imx274_change_compose already set width and height in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	 * applicable format, but we need to keep all other format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	 * values, so do a full copy here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	fmt->field = V4L2_FIELD_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 		cfg->try_fmt = *fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 		imx274->format = *fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) static int imx274_get_selection(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 				struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 				struct v4l2_subdev_selection *sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	const struct v4l2_rect *src_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 	const struct v4l2_mbus_framefmt *src_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 	if (sel->pad != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 	if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 		sel->r.left = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 		sel->r.top = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 		sel->r.width = IMX274_MAX_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 		sel->r.height = IMX274_MAX_HEIGHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 	if (sel->which == V4L2_SUBDEV_FORMAT_TRY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 		src_crop = &cfg->try_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 		src_fmt = &cfg->try_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 		src_crop = &imx274->crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 		src_fmt = &imx274->format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 	switch (sel->target) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 	case V4L2_SEL_TGT_CROP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		sel->r = *src_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 		sel->r.top = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 		sel->r.left = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 		sel->r.width = src_crop->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 		sel->r.height = src_crop->height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	case V4L2_SEL_TGT_COMPOSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 		sel->r.top = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 		sel->r.left = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 		sel->r.width = src_fmt->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 		sel->r.height = src_fmt->height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) static int imx274_set_selection_crop(struct stimx274 *imx274,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 				     struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 				     struct v4l2_subdev_selection *sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 	struct v4l2_rect *tgt_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	struct v4l2_rect new_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	bool size_changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 	 * h_step could be 12 or 24 depending on the binning. But we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 	 * won't know the binning until we choose the mode later in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	 * __imx274_change_compose(). Thus let's be safe and use the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 	 * most conservative value in all cases.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	const u32 h_step = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	new_crop.width = min_t(u32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 			       IMX274_ROUND(sel->r.width, h_step, sel->flags),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 			       IMX274_MAX_WIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 	/* Constraint: HTRIMMING_END - HTRIMMING_START >= 144 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	if (new_crop.width < 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 		new_crop.width = 144;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 	new_crop.left = min_t(u32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 			      IMX274_ROUND(sel->r.left, h_step, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 			      IMX274_MAX_WIDTH - new_crop.width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	new_crop.height = min_t(u32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 				IMX274_ROUND(sel->r.height, 2, sel->flags),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 				IMX274_MAX_HEIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	new_crop.top = min_t(u32, IMX274_ROUND(sel->r.top, 2, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 			     IMX274_MAX_HEIGHT - new_crop.height);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 	sel->r = new_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 	if (sel->which == V4L2_SUBDEV_FORMAT_TRY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 		tgt_crop = &cfg->try_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 		tgt_crop = &imx274->crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 	size_changed = (new_crop.width != tgt_crop->width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 			new_crop.height != tgt_crop->height);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 	/* __imx274_change_compose needs the new size in *tgt_crop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	*tgt_crop = new_crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	/* if crop size changed then reset the output image size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	if (size_changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 		__imx274_change_compose(imx274, cfg, sel->which,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 					&new_crop.width, &new_crop.height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 					sel->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) static int imx274_set_selection(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 				struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 				struct v4l2_subdev_selection *sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 	if (sel->pad != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 	if (sel->target == V4L2_SEL_TGT_CROP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 		return imx274_set_selection_crop(imx274, cfg, sel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 	if (sel->target == V4L2_SEL_TGT_COMPOSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 		int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 		mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 		err =  __imx274_change_compose(imx274, cfg, sel->which,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 					       &sel->r.width, &sel->r.height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 					       sel->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 		mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 		 * __imx274_change_compose already set width and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 		 * height in set->r, we still need to set top-left
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 		if (!err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 			sel->r.top = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 			sel->r.left = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) static int imx274_apply_trimming(struct stimx274 *imx274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	u32 h_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	u32 h_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	u32 hmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 	u32 v_cut;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 	s32 v_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 	u32 write_v_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 	u32 y_out_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 	h_start = imx274->crop.left + 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 	h_end = h_start + imx274->crop.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	/* Use the minimum allowed value of HMAX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	/* Note: except in mode 1, (width / 16 + 23) is always < hmax_min */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	/* Note: 260 is the minimum HMAX in all implemented modes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	hmax = max_t(u32, 260, (imx274->crop.width) / 16 + 23);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	/* invert v_pos if VFLIP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	v_pos = imx274->ctrls.vflip->cur.val ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 		(-imx274->crop.top / 2) : (imx274->crop.top / 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	v_cut = (IMX274_MAX_HEIGHT - imx274->crop.height) / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	write_v_size = imx274->crop.height + 22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	y_out_size   = imx274->crop.height + 14;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 	err = imx274_write_mbreg(imx274, IMX274_HMAX_REG_LSB, hmax, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 		err = imx274_write_mbreg(imx274, IMX274_HTRIM_EN_REG, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 		err = imx274_write_mbreg(imx274, IMX274_HTRIM_START_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 					 h_start, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 		err = imx274_write_mbreg(imx274, IMX274_HTRIM_END_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 					 h_end, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 		err = imx274_write_mbreg(imx274, IMX274_VWIDCUTEN_REG, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 		err = imx274_write_mbreg(imx274, IMX274_VWIDCUT_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 					 v_cut, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 		err = imx274_write_mbreg(imx274, IMX274_VWINPOS_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 					 v_pos, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 		err = imx274_write_mbreg(imx274, IMX274_WRITE_VSIZE_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 					 write_v_size, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 		err = imx274_write_mbreg(imx274, IMX274_Y_OUT_SIZE_REG_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 					 y_out_size, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196)  * imx274_g_frame_interval - Get the frame interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)  * @sd: Pointer to V4L2 Sub device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198)  * @fi: Pointer to V4l2 Sub device frame interval structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)  * This function is used to get the frame interval.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) static int imx274_g_frame_interval(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 				   struct v4l2_subdev_frame_interval *fi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 	fi->interval = imx274->frame_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 	dev_dbg(&imx274->client->dev, "%s frame rate = %d / %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 		__func__, imx274->frame_interval.numerator,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 		imx274->frame_interval.denominator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218)  * imx274_s_frame_interval - Set the frame interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219)  * @sd: Pointer to V4L2 Sub device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220)  * @fi: Pointer to V4l2 Sub device frame interval structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222)  * This function is used to set the frame intervavl.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) static int imx274_s_frame_interval(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 				   struct v4l2_subdev_frame_interval *fi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 	struct v4l2_ctrl *ctrl = imx274->ctrls.exposure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 	int min, max, def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 	ret = imx274_set_frame_interval(imx274, fi->interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 	if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 		fi->interval = imx274->frame_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 		 * exposure time range is decided by frame interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 		 * need to update it after frame interval changes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 		min = IMX274_MIN_EXPOSURE_TIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 		max = fi->interval.numerator * 1000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 			/ fi->interval.denominator;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 		def = max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 		if (__v4l2_ctrl_modify_range(ctrl, min, max, 1, def)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 			dev_err(&imx274->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 				"Exposure ctrl range update failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 			goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 		/* update exposure time accordingly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 		imx274_set_exposure(imx274, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 		dev_dbg(&imx274->client->dev, "set frame interval to %uus\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 			fi->interval.numerator * 1000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 			/ fi->interval.denominator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)  * imx274_load_default - load default control values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) static int imx274_load_default(struct stimx274 *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 	/* load default control values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	priv->frame_interval.numerator = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	priv->frame_interval.denominator = IMX274_DEF_FRAME_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 	priv->ctrls.exposure->val = 1000000 / IMX274_DEF_FRAME_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	priv->ctrls.gain->val = IMX274_DEF_GAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 	priv->ctrls.vflip->val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	priv->ctrls.test_pattern->val = TEST_PATTERN_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 	/* update frame rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	ret = imx274_set_frame_interval(priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 					priv->frame_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 	/* update exposure time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	ret = v4l2_ctrl_s_ctrl(priv->ctrls.exposure, priv->ctrls.exposure->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	/* update gain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	ret = v4l2_ctrl_s_ctrl(priv->ctrls.gain, priv->ctrls.gain->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 	/* update vflip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	ret = v4l2_ctrl_s_ctrl(priv->ctrls.vflip, priv->ctrls.vflip->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311)  * imx274_s_stream - It is used to start/stop the streaming.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312)  * @sd: V4L2 Sub device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313)  * @on: Flag (True / False)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)  * This function controls the start or stop of streaming for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316)  * imx274 sensor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318)  * Return: 0 on success, errors otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) static int imx274_s_stream(struct v4l2_subdev *sd, int on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 	dev_dbg(&imx274->client->dev, "%s : %s, mode index = %td\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 		on ? "Stream Start" : "Stream Stop",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 		imx274->mode - &imx274_modes[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 	mutex_lock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 	if (on) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 		/* load mode registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 		ret = imx274_mode_regs(imx274);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 		ret = imx274_apply_trimming(imx274);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 		 * update frame rate & expsoure. if the last mode is different,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		 * HMAX could be changed. As the result, frame rate & exposure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 		 * are changed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 		 * gain is not affected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 		ret = imx274_set_frame_interval(imx274,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 						imx274->frame_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 		/* update exposure time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 		ret = __v4l2_ctrl_s_ctrl(imx274->ctrls.exposure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 					 imx274->ctrls.exposure->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 		/* start stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		ret = imx274_start_stream(imx274);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 		/* stop stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 		ret = imx274_write_table(imx274, imx274_stop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	dev_dbg(&imx274->client->dev, "%s : Done\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	mutex_unlock(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 	dev_err(&imx274->client->dev, "s_stream failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)  * imx274_get_frame_length - Function for obtaining current frame length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382)  * @val: Pointer to obainted value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384)  * frame_length = vmax x (svr + 1), in unit of hmax.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) static int imx274_get_frame_length(struct stimx274 *priv, u32 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	u32 svr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 	u32 vmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	err = imx274_read_mbreg(priv, IMX274_SVR_REG_LSB, &svr, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	err = imx274_read_mbreg(priv, IMX274_VMAX_REG_3, &vmax, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 	*val = vmax * (svr + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) static int imx274_clamp_coarse_time(struct stimx274 *priv, u32 *val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 				    u32 *frame_length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 	err = imx274_get_frame_length(priv, frame_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 	if (*frame_length < priv->mode->min_frame_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 		*frame_length =  priv->mode->min_frame_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	*val = *frame_length - *val; /* convert to raw shr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	if (*val > *frame_length - IMX274_SHR_LIMIT_CONST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 		*val = *frame_length - IMX274_SHR_LIMIT_CONST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	else if (*val < priv->mode->min_SHR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 		*val = priv->mode->min_SHR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433)  * imx274_set_digital gain - Function called when setting digital gain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435)  * @dgain: Value of digital gain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437)  * Digital gain has only 4 steps: 1x, 2x, 4x, and 8x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) static int imx274_set_digital_gain(struct stimx274 *priv, u32 dgain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	u8 reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 	reg_val = ffs(dgain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 	if (reg_val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 		reg_val--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	reg_val = clamp(reg_val, (u8)0, (u8)3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 	return imx274_write_reg(priv, IMX274_DIGITAL_GAIN_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 				reg_val & IMX274_MASK_LSB_4_BITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457)  * imx274_set_gain - Function called when setting gain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459)  * @val: Value of gain. the real value = val << IMX274_GAIN_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460)  * @ctrl: v4l2 control pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462)  * Set the gain based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463)  * The caller should hold the mutex lock imx274->lock if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) static int imx274_set_gain(struct stimx274 *priv, struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	u32 gain, analog_gain, digital_gain, gain_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 	gain = (u32)(ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 		"%s : input gain = %d.%d\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 		gain >> IMX274_GAIN_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 		((gain & IMX274_GAIN_SHIFT_MASK) * 100) >> IMX274_GAIN_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 	if (gain > IMX274_MAX_DIGITAL_GAIN * IMX274_MAX_ANALOG_GAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		gain = IMX274_MAX_DIGITAL_GAIN * IMX274_MAX_ANALOG_GAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 	else if (gain < IMX274_MIN_GAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 		gain = IMX274_MIN_GAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 	if (gain <= IMX274_MAX_ANALOG_GAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 		digital_gain = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 	else if (gain <= IMX274_MAX_ANALOG_GAIN * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 		digital_gain = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	else if (gain <= IMX274_MAX_ANALOG_GAIN * 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 		digital_gain = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 		digital_gain = IMX274_MAX_DIGITAL_GAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 	analog_gain = gain / digital_gain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 		"%s : digital gain = %d, analog gain = %d.%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 		__func__, digital_gain, analog_gain >> IMX274_GAIN_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 		((analog_gain & IMX274_GAIN_SHIFT_MASK) * 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 		>> IMX274_GAIN_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 	err = imx274_set_digital_gain(priv, digital_gain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 	/* convert to register value, refer to imx274 datasheet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	gain_reg = (u32)IMX274_GAIN_CONST -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 		(IMX274_GAIN_CONST << IMX274_GAIN_SHIFT) / analog_gain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 	if (gain_reg > IMX274_GAIN_REG_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 		gain_reg = IMX274_GAIN_REG_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	err = imx274_write_mbreg(priv, IMX274_ANALOG_GAIN_ADDR_LSB, gain_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 				 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 	if (IMX274_GAIN_CONST - gain_reg == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 	/* convert register value back to gain value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	ctrl->val = (IMX274_GAIN_CONST << IMX274_GAIN_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 			/ (IMX274_GAIN_CONST - gain_reg) * digital_gain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 		"%s : GAIN control success, gain_reg = %d, new gain = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 		__func__, gain_reg, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537)  * imx274_set_coarse_time - Function called when setting SHR value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539)  * @val: Value for exposure time in number of line_length, or [HMAX]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541)  * Set SHR value based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) static int imx274_set_coarse_time(struct stimx274 *priv, u32 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	u32 coarse_time, frame_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	coarse_time = *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	/* convert exposure_time to appropriate SHR value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	err = imx274_clamp_coarse_time(priv, &coarse_time, &frame_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	err = imx274_write_mbreg(priv, IMX274_SHR_REG_LSB, coarse_time, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	*val = frame_length - coarse_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570)  * imx274_set_exposure - Function called when setting exposure time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572)  * @val: Variable for exposure time, in the unit of micro-second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574)  * Set exposure time based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575)  * The caller should hold the mutex lock imx274->lock if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) static int imx274_set_exposure(struct stimx274 *priv, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	u32 hmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 	u32 coarse_time; /* exposure time in unit of line (HMAX)*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 		"%s : EXPOSURE control input = %d\n", __func__, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 	/* step 1: convert input exposure_time (val) into number of 1[HMAX] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 	err = imx274_read_mbreg(priv, IMX274_HMAX_REG_LSB, &hmax, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 	if (hmax == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	coarse_time = (IMX274_PIXCLK_CONST1 / IMX274_PIXCLK_CONST2 * val
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 			- priv->mode->nocpiop) / hmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 	/* step 2: convert exposure_time into SHR value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 	/* set SHR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 	err = imx274_set_coarse_time(priv, &coarse_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 	priv->ctrls.exposure->val =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 			(coarse_time * hmax + priv->mode->nocpiop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 			/ (IMX274_PIXCLK_CONST1 / IMX274_PIXCLK_CONST2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 		"%s : EXPOSURE control success\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)  * imx274_set_vflip - Function called when setting vertical flip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626)  * @val: Value for vflip setting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628)  * Set vertical flip based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629)  * val = 0: normal, no vertical flip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630)  * val = 1: vertical flip enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631)  * The caller should hold the mutex lock imx274->lock if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) static int imx274_set_vflip(struct stimx274 *priv, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 	err = imx274_write_reg(priv, IMX274_VFLIP_REG, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 		dev_err(&priv->client->dev, "VFLIP control error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 		"%s : VFLIP control success\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652)  * imx274_set_test_pattern - Function called when setting test pattern
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654)  * @val: Variable for test pattern
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656)  * Set to different test patterns based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) static int imx274_set_test_pattern(struct stimx274 *priv, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	if (val == TEST_PATTERN_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 		err = imx274_write_table(priv, imx274_tp_disabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	} else if (val <= TEST_PATTERN_V_COLOR_BARS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		err = imx274_write_reg(priv, IMX274_TEST_PATTERN_REG, val - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 		if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 			err = imx274_write_table(priv, imx274_tp_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 		dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 			"%s : TEST PATTERN control success\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 		dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684)  * imx274_set_frame_length - Function called when setting frame length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686)  * @val: Variable for frame length (= VMAX, i.e. vertical drive period length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688)  * Set frame length based on input value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) static int imx274_set_frame_length(struct stimx274 *priv, u32 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	u32 frame_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 	dev_dbg(&priv->client->dev, "%s : input length = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 		__func__, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 	frame_length = (u32)val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 	err = imx274_write_mbreg(priv, IMX274_VMAX_REG_3, frame_length, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714)  * imx274_set_frame_interval - Function called when setting frame interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715)  * @priv: Pointer to device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716)  * @frame_interval: Variable for frame interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718)  * Change frame interval by updating VMAX value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719)  * The caller should hold the mutex lock imx274->lock if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)  * Return: 0 on success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) static int imx274_set_frame_interval(struct stimx274 *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 				     struct v4l2_fract frame_interval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 	u32 frame_length, req_frame_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 	u32 svr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 	u32 hmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 	dev_dbg(&priv->client->dev, "%s: input frame interval = %d / %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 		__func__, frame_interval.numerator,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 		frame_interval.denominator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	if (frame_interval.numerator == 0 || frame_interval.denominator == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 		frame_interval.denominator = IMX274_DEF_FRAME_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 		frame_interval.numerator = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 	req_frame_rate = (u32)(frame_interval.denominator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 				/ frame_interval.numerator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 	/* boundary check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 	if (req_frame_rate > priv->mode->max_fps) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 		frame_interval.numerator = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 		frame_interval.denominator = priv->mode->max_fps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 	} else if (req_frame_rate < IMX274_MIN_FRAME_RATE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		frame_interval.numerator = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 		frame_interval.denominator = IMX274_MIN_FRAME_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 	 * VMAX = 1/frame_rate x 72M / (SVR+1) / HMAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	 * frame_length (i.e. VMAX) = (frame_interval) x 72M /(SVR+1) / HMAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	err = imx274_read_mbreg(priv, IMX274_SVR_REG_LSB, &svr, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 		"%s : register SVR = %d\n", __func__, svr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 	err = imx274_read_mbreg(priv, IMX274_HMAX_REG_LSB, &hmax, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 	dev_dbg(&priv->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 		"%s : register HMAX = %d\n", __func__, hmax);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	if (hmax == 0 || frame_interval.denominator == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 	frame_length = IMX274_PIXCLK_CONST1 / (svr + 1) / hmax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 					* frame_interval.numerator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 					/ frame_interval.denominator;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 	err = imx274_set_frame_length(priv, frame_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 	priv->frame_interval = frame_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 	dev_err(&priv->client->dev, "%s error = %d\n", __func__, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) static const struct v4l2_subdev_pad_ops imx274_pad_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 	.get_fmt = imx274_get_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 	.set_fmt = imx274_set_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 	.get_selection = imx274_get_selection,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 	.set_selection = imx274_set_selection,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) static const struct v4l2_subdev_video_ops imx274_video_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 	.g_frame_interval = imx274_g_frame_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 	.s_frame_interval = imx274_s_frame_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 	.s_stream = imx274_s_stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) static const struct v4l2_subdev_ops imx274_subdev_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	.pad = &imx274_pad_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 	.video = &imx274_video_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) static const struct v4l2_ctrl_ops imx274_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 	.s_ctrl	= imx274_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) static const struct of_device_id imx274_of_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 	{ .compatible = "sony,imx274" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) MODULE_DEVICE_TABLE(of, imx274_of_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) static const struct i2c_device_id imx274_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 	{ "IMX274", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) MODULE_DEVICE_TABLE(i2c, imx274_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) static int imx274_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	struct v4l2_subdev *sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 	struct stimx274 *imx274;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 	/* initialize imx274 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 	imx274 = devm_kzalloc(&client->dev, sizeof(*imx274), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 	if (!imx274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	mutex_init(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 	/* initialize format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	imx274->mode = &imx274_modes[IMX274_DEFAULT_BINNING];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 	imx274->crop.width = IMX274_MAX_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 	imx274->crop.height = IMX274_MAX_HEIGHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 	imx274->format.width = imx274->crop.width / imx274->mode->bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	imx274->format.height = imx274->crop.height / imx274->mode->bin_ratio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	imx274->format.field = V4L2_FIELD_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	imx274->format.code = MEDIA_BUS_FMT_SRGGB10_1X10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	imx274->format.colorspace = V4L2_COLORSPACE_SRGB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 	imx274->frame_interval.numerator = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 	imx274->frame_interval.denominator = IMX274_DEF_FRAME_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 	/* initialize regmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 	imx274->regmap = devm_regmap_init_i2c(client, &imx274_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 	if (IS_ERR(imx274->regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 			"regmap init failed: %ld\n", PTR_ERR(imx274->regmap));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 		ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 		goto err_regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	/* initialize subdevice */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 	imx274->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	sd = &imx274->sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 	v4l2_i2c_subdev_init(sd, client, &imx274_subdev_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	/* initialize subdev media pad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 	imx274->pad.flags = MEDIA_PAD_FL_SOURCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 	ret = media_entity_pads_init(&sd->entity, 1, &imx274->pad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 			"%s : media entity init Failed %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 		goto err_regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 	/* initialize sensor reset gpio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	imx274->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 						     GPIOD_OUT_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 	if (IS_ERR(imx274->reset_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 		if (PTR_ERR(imx274->reset_gpio) != -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 			dev_err(&client->dev, "Reset GPIO not setup in DT");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 		ret = PTR_ERR(imx274->reset_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 		goto err_me;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 	/* pull sensor out of reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 	imx274_reset(imx274, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	/* initialize controls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 	ret = v4l2_ctrl_handler_init(&imx274->ctrls.handler, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 			"%s : ctrl handler init Failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 		goto err_me;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 	imx274->ctrls.handler.lock = &imx274->lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 	/* add new controls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 	imx274->ctrls.test_pattern = v4l2_ctrl_new_std_menu_items(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 		&imx274->ctrls.handler, &imx274_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 		V4L2_CID_TEST_PATTERN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) 		ARRAY_SIZE(tp_qmenu) - 1, 0, 0, tp_qmenu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 	imx274->ctrls.gain = v4l2_ctrl_new_std(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 		&imx274->ctrls.handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 		&imx274_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 		V4L2_CID_GAIN, IMX274_MIN_GAIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 		IMX274_MAX_DIGITAL_GAIN * IMX274_MAX_ANALOG_GAIN, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 		IMX274_DEF_GAIN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 	imx274->ctrls.exposure = v4l2_ctrl_new_std(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 		&imx274->ctrls.handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 		&imx274_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 		V4L2_CID_EXPOSURE, IMX274_MIN_EXPOSURE_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 		1000000 / IMX274_DEF_FRAME_RATE, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 		IMX274_MIN_EXPOSURE_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 	imx274->ctrls.vflip = v4l2_ctrl_new_std(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 		&imx274->ctrls.handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 		&imx274_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 		V4L2_CID_VFLIP, 0, 1, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 	imx274->sd.ctrl_handler = &imx274->ctrls.handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 	if (imx274->ctrls.handler.error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 		ret = imx274->ctrls.handler.error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 		goto err_ctrls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 	/* setup default controls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 	ret = v4l2_ctrl_handler_setup(&imx274->ctrls.handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 			"Error %d setup default controls\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 		goto err_ctrls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 	/* load default control values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 	ret = imx274_load_default(imx274);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 			"%s : imx274_load_default failed %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 			__func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 		goto err_ctrls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	/* register subdevice */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 	ret = v4l2_async_register_subdev(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 		dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 			"%s : v4l2_async_register_subdev failed %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 			__func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 		goto err_ctrls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 	dev_info(&client->dev, "imx274 : imx274 probe success !\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) err_ctrls:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 	v4l2_ctrl_handler_free(&imx274->ctrls.handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) err_me:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 	media_entity_cleanup(&sd->entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) err_regmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 	mutex_destroy(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) static int imx274_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 	struct stimx274 *imx274 = to_imx274(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 	/* stop stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 	imx274_write_table(imx274, imx274_stop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	v4l2_async_unregister_subdev(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 	v4l2_ctrl_handler_free(&imx274->ctrls.handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	media_entity_cleanup(&sd->entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 	mutex_destroy(&imx274->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) static struct i2c_driver imx274_i2c_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 		.name	= DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 		.of_match_table	= imx274_of_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 	.probe_new	= imx274_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	.remove		= imx274_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 	.id_table	= imx274_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) module_i2c_driver(imx274_i2c_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) MODULE_AUTHOR("Leon Luo <leonl@leopardimaging.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) MODULE_DESCRIPTION("IMX274 CMOS Image Sensor driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) MODULE_LICENSE("GPL v2");