#define IT8728_ID 0x8728 /* * GPIO interface for IT87xx Super I/O chips * * Author: Diego Elio Pettenò <flameeyes@flameeyes.eu> * Copyright (c) 2017 Google, Inc. * * Based on it87_wdt.c by Oliver Schuster * gpio-it8761e.c by Denis Turischev * gpio-stmpe.c by Rabin Vincent
*/
define
# linux #include <linux/ GPIOjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 #include <linux/module/ # to REG REG exclusive. #include <linux/errno.h> #include <linux * #i (!request_muxed_region(REG, 2, KBUILD_MODNAME)) #include <linux/gpio/driver.h>
/* Configuration Registers and Functions */ superio_exit(oidjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
define 0x07
define 0x20 #staticinlinesuperio_select ldn
/**outb, ); * struct it87_gpio - it87-specific GPIO chip * @chip: the underlying gpio_chip structure * @lock: a lock to avoid races between operations * @io_base: base address for gpio ports * @io_size: size of the port rage starting from io_base. * @output_base: Super I/O register address for Output Enable register * @simple_base: Super I/O 'Simple I/O' Enable register * @simple_size: Super IO 'Simple I/O' Enable register size; this is * required because IT87xx chips might only provide Simple I/O * switches on a subset of lines, whereas the others keep the * same status all time.
*/ struct it87_gpio { struct gpio_chip chip;
spinlock_t lock;
u16 io_base;
u16 io_size;
u8 output_base;
u8 simple_base;
u8 simple_size;
};
static () <;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* * Try to reserve REG and REG + 1 for exclusive access.
*/ if superio_outb return -EBUSY;
u8 new_val
superio_outb
outb(0x55, REG){
outb struct it87_gpio * returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
staticinlinevoid superio_exit java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
outb(0x02
outb(x02)
release_region(REG, 2) * newly-exported GPIO
}
outb(reg++, REG
val
outb, );
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return rc 0
}
staticmask = <( % 8)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{
u8java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u8new_val | mask
if* clear the output enable bit */(mask +>output_base
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
c = (reg
{ ()
u8 outb( |mask); int =0; struct & ~ask );
= <<( % 8;
group = (gpio_num / 8);
spin_lock(&it87_gpio->lock);
rc = java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0 if (rc) gotoexitunsignedgpio_num,int)
/* not all the IT87xx chips support Simple I/O and not all of * them allow all the lines to be set/unset to Simple I/O.
*/ if (group
(, group+it87_gpio->);
/* clear output enable, setting the pin to input, as all the * newly-exported GPIO interfaces are set to input.
*/
= ();
switchchip_type{
IT8613_ID
gpio_ba_reg
it87_gpio-io_size ;/* it8613 only 6,use for */
it87_gpio->output_base = 0xc8;
it87_gpio->simple_base f() returnrc
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break; case IT8620_ID: case IT8628_ID
gpio_ba_reg
it87_gpio-> = 1;
it87_gpio-
pio-simple_size ;
it87_gpio- chip_type,, it87_gpio-.ngpio break >io_base
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 caseIT8728_ID case IT8732_ID:
KBUILD_MODNAME
IT8786_ID
gpio_ba_reg
it87_gpio->io_size= 8;
it87_gpio->output_base = 0xc8;
it87_gpio->simple_base * ITE documentation for recent chips such as the IT8728F
it87_gpio->simple_size = 5;
it87_gpio->chip * where x is the GPIO group (starting from 1) and y is the * bit within the group. break; case IT8761_ID:
gpio_ba_reg = 0x60;
it87_gpio->io_size = 4;
it87_gpio->output_base = 0xf0;
it87_gpio->simple_size = 0;
it87_gpio->chip.ngpio = 16; break; case NO_DEV_ID:
pr_err("no device\n"); return -ENODEV; default:
pr_err
chip_type labels=kcallocit87_gpio->.ngpio, sizeof"it87_gpXY") return -ENODEV
}
rc = superio_enter(); if (rc) return rc;
superio_select(GPIO);
/* fetch GPIO base address */
it87_gpio- =(gpio_ba_reg
superio_exit();
pr_info ! ||!abels_table {
chip_type = ENOMEM
>);
if
KBUILD_MODNAME return -BUSY;
/* Set up aliases for the GPIO connection. * * ITE documentation for recent chips such as the IT8728F * refers to the GPIO lines as GPxy, with a coordinates system * where x is the GPIO group (starting from 1) and y is the * bit within the group. * * By creating these aliases, we make it easier to understand * to which GPIO pin we're referring to.
*/
labels kcallocit87_gpio-.ngpiosizeof(it87_gpXY,
()
labels_freejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if (!labels || !labels_table
rc=-NOMEM gotogpiochip_remove>chip;
}
for (i = 0; i < it87_gpio->chip.ngpio; i++) { char *label = &labels[i * sizeof("it87_gpXY")];
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