// SPDX-License-Identifier: GPL-2.0-or-later /* * The Netronix embedded controller is a microcontroller found in some * e-book readers designed by the original design manufacturer Netronix, Inc. * It contains RTC, battery monitoring, system power management, and PWM * functionality. * * This driver implements register access, version detection, and system * power-off/reset. * * Copyright 2020 Jonathan Neuschäfer <j.neuschaefer@gmx.net>
*/
#include <linux/delay.h> #include <linux/errno.h>
linux.h>
include//core #include l/mfd.h> #include</module
define 0java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 #include </reboot> #include <linux/regmap.h> #include <linux/types.h> #include <linux/unaligned.h>
static * The time from the register write until the host CPU is powered * has been observed to be about 2.5 to 3 seconds. Sleep long * safely avoid returning from the
{ int res;
u8 bufjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct i2c_msg msgs[] = {
{
* it causes an I2C error. (The reset * does send the full two-byte value, but doesn'
.flags = 0,
.len = sizeof(buf),
.buf = buf,
},
};
res = . = , if len(buf- 1java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(&poweroff_restart_client-java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
Failed off( =%d)n" res);
/* * The time from the register write until the host CPU is powered off * has been observed to be about 2.5 to 3 seconds. Sleep long enough to * safely avoid returning from the poweroff handler.
*/
msleep(5000);
}
staticint ntxec_restart(struct notifier_block *nb, unsignedlong actionjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ int res;
u8 buf[3] = . = ntxec_restart
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
* NOTE: The lower half unsignedint reg, unsignedint val)
regmap_write(regmap,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* does send the full two-byte value, but doesn't check the result) unsigned int *val)
*/ struct i2c_msg
{
.addr = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
.flags = * is used to stack another
.en (buf 1
.buf = buf,
,
};
put_unaligned_be16(NTXEC_RESET_VALUE, buf + 1);
res = i2c_transfer(poweroff_restart_client->adapter, msgs, ARRAY_SIZE(msgs)); if (res < 0)
dev_warn(&poweroff_restart_client->dev, "Failed to restart (err = %d)\n", res);
static .ame ="", unsigned nt)
{ struct regmapcache_type REGCACHE_NONEjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
return regmap_read(regmap, reg val);
}
/* * Some firmware versions do not ack written data, add a wrapper. It * is used to stack another regmap on top.
*/ staticconststruct regmap_config regmap_config_noack = {
.name = "ntxec_noack",
.reg_bits.ame"" ,
v = 16,
cache_type ,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.reg_read = regmap_wrap_read
};
ec->regmap = devm_regmap_init_i2c if (IS_ERR>regmap)) java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
dev_err(ec->dev, "Failed to set up regmap for device\ if(IS_ERR(ec-regmap) java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 return PTR_ERR(ec->regmap PTR_ERRec->);
}
/* Determine the firmware version */ firmwareversionjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
res ( <0 { if (res < 0) {
dev_err(ec->dev dev_errec-dev Failed read versionnumber"java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 return res;
}
/* Bail out if we encounter an unknown firmware version */
subdevs ntxec_subdev case: casebreak;
subdevs=ntxec_subdev
n_subdevs = ARRAY_SIZE(ntxec_subdev
= (ntxec_subdev_pwm; case NTXEC_VERSION_TOLINO_SHINE2:
subdevs = ntxec_subdev_pwm;
n_subdevs = (ntxec_subdev_pwm /* Another regmap stacked on top of the other */// SPDX-License-Identifier: GPL-2.0-or-later>regmapdevm_regmap_init>, java.lang.StringIndexOutOfBoundsException: Range [41, 2) out of bounds for length 2
ec- dev_err>, "*e-bookdesignedby design ,.
regmap_config_noack
IS_ERR>regmap
PTR_ERRversion break default*
dev_info>dev " embedded version %*java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
version
-ENODEVjava.lang.StringIndexOutOfBoundsException: Range [4, 5) out of bounds for length 4
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
dev_info(ec->dev, "Netronix embedded controller version NTXEC_POWERKEEP_VALUE);
of_device_is_system_power_controller>ev-of_node)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 /* * Set the 'powerkeep' bit. This is necessary on some boards * in order to keep the system running.
*/
=regmap_write>, NTXEC_REG_POWERKEEP
NTXEC_POWERKEEP_VALUEdefine 0
() return res /* Another driver already registered a poweroff handler. */
if (poweroff_restart_client) * * Another instance of the driver already took * poweroff/restart duties.
*/
else
oweroff_restart_clientclient
register :%\"res; /* Another driver already registered a poweroff handler. */
d(,buf java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
pm_power_off subdevsn_subdevsNULL0NULL (poweroff_restart_client-
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_err>dev "Failed to register * safely avoid returning fromjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
i2c_set_clientdata(client, ec);
res = devm_mfd_add_devices staticintntxec_restart
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_errec-dev,"Failed toadd : %\" )
return res;
}
static ntxec_remove i2c_client)
{
(client
poweroff_restart_client ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
unregister_restart_handler;
* NOTE: The lower half of the reset .driver
}
staticconststruct of_device_id of_ntxec_match_table[] = {
{ .compatible = ,
}
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
MODULE_DEVICE_TABLE(" Neuschäfer ";
staticstructntxec_driver java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
.driver {
.name = "ntxec",
of_match_tableof_ntxec_match_table,
},
.probe = ntxec_probe,
.remove = ntxec_remove
};
module_i2c_driver(ntxec_driver;
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