Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2005-2006 Micronas USA Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "go7007-priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) /********************* Driver for on-board I2C adapter *********************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) /* #define GO7007_I2C_DEBUG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define SPI_I2C_ADDR_BASE		0x1400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define STATUS_REG_ADDR			(SPI_I2C_ADDR_BASE + 0x2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define I2C_CTRL_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define I2C_DEV_UP_ADDR_REG_ADDR	(SPI_I2C_ADDR_BASE + 0x7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define I2C_LO_ADDR_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define I2C_DATA_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define I2C_CLKFREQ_REG_ADDR		(SPI_I2C_ADDR_BASE + 0xa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define I2C_STATE_MASK			0x0007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define I2C_READ_READY_MASK		0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * on the Adlink PCI-MPG24, so access is shared between all of them. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) static DEFINE_MUTEX(adlink_mpg24_i2c_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		u16 command, int flags, u8 *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	int i, ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	u16 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (go->status == STATUS_SHUTDOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #ifdef GO7007_I2C_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	if (read)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		dev_dbg(go->dev, "go7007-i2c: reading 0x%02x on 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 			command, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		dev_dbg(go->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 			"go7007-i2c: writing 0x%02x to 0x%02x on 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 			*data, command, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	mutex_lock(&go->hw_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		/* Bridge the I2C port on this GO7007 to the shared bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		mutex_lock(&adlink_mpg24_i2c_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		go7007_write_addr(go, 0x3c82, 0x0020);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	/* Wait for I2C adapter to be ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	for (i = 0; i < 10; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		if (!(val & I2C_STATE_MASK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	if (i == 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		dev_err(go->dev, "go7007-i2c: I2C adapter is hung\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	/* Set target register (command) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	go7007_write_addr(go, I2C_CTRL_REG_ADDR, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	go7007_write_addr(go, I2C_LO_ADDR_REG_ADDR, command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	/* If we're writing, send the data and target address and we're done */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	if (!read) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		go7007_write_addr(go, I2C_DATA_REG_ADDR, *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 					(addr << 9) | (command >> 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	/* Otherwise, we're reading.  First clear i2c_rx_data_rdy. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	/* Send the target address plus read flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			(addr << 9) | 0x0100 | (command >> 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	/* Wait for i2c_rx_data_rdy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	for (i = 0; i < 10; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 			goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		if (val & I2C_READ_READY_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	if (i == 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		dev_err(go->dev, "go7007-i2c: I2C adapter is hung\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	/* Retrieve the read byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		goto i2c_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	*data = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) i2c_done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		/* Isolate the I2C port on this GO7007 from the shared bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		go7007_write_addr(go, 0x3c82, 0x0000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		mutex_unlock(&adlink_mpg24_i2c_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	mutex_unlock(&go->hw_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int go7007_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		unsigned short flags, char read_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		u8 command, int size, union i2c_smbus_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct go7007 *go = i2c_get_adapdata(adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	if (size != I2C_SMBUS_BYTE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	return go7007_i2c_xfer(go, addr, read_write == I2C_SMBUS_READ, command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 			flags & I2C_CLIENT_SCCB ? 0x10 : 0x00, &data->byte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* VERY LIMITED I2C master xfer function -- only needed because the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)  * SMBus functions only support 8-bit commands and the SAA7135 uses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * 16-bit commands.  The I2C interface on the GO7007, as limited as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  * it is, does support this mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static int go7007_i2c_master_xfer(struct i2c_adapter *adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 					struct i2c_msg msgs[], int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct go7007 *go = i2c_get_adapdata(adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	for (i = 0; i < num; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		/* We can only do two things here -- write three bytes, or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		 * write two bytes and read one byte. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		if (msgs[i].len == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 			if (i + 1 == num || msgs[i].addr != msgs[i + 1].addr ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 					(msgs[i].flags & I2C_M_RD) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 					!(msgs[i + 1].flags & I2C_M_RD) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 					msgs[i + 1].len != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 				return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 			if (go7007_i2c_xfer(go, msgs[i].addr, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 					0x01, &msgs[i + 1].buf[0]) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 				return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 			++i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		} else if (msgs[i].len == 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			if (msgs[i].flags & I2C_M_RD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 				return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			if (msgs[i].len != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 				return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 			if (go7007_i2c_xfer(go, msgs[i].addr, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 					0x01, &msgs[i].buf[2]) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 				return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 			return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	return num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static u32 go7007_functionality(struct i2c_adapter *adapter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	return I2C_FUNC_SMBUS_BYTE_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static const struct i2c_algorithm go7007_algo = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	.smbus_xfer	= go7007_smbus_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	.master_xfer	= go7007_i2c_master_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	.functionality	= go7007_functionality,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static struct i2c_adapter go7007_adap_templ = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	.owner			= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	.name			= "WIS GO7007SB",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	.algo			= &go7007_algo,
^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) int go7007_i2c_init(struct go7007 *go)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	memcpy(&go->i2c_adapter, &go7007_adap_templ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 			sizeof(go7007_adap_templ));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	go->i2c_adapter.dev.parent = go->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	i2c_set_adapdata(&go->i2c_adapter, go);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	if (i2c_add_adapter(&go->i2c_adapter) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		dev_err(go->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			"go7007-i2c: error: i2c_add_adapter failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }