ps2.c File Reference

#include "ps2.h"
#include "ps2_kbd.h"
#include "ps2_mouse.h"
#include <kernel/cpu/irq.h>
#include <kernel/log/log.h>
#include <kernel/log/panic.h>
#include <kernel/module/module.h>
#include <kernel/sched/clock.h>
#include <kernel/sched/timer.h>
#include <kernel/sync/lock.h>
#include <kernel/acpi/aml/object.h>
#include <kernel/acpi/devices.h>
#include <kernel/acpi/resources.h>
#include <kernel/acpi/tables.h>
#include <errno.h>
#include <string.h>
#include <time.h>

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Functions
static const char *	ps2_self_test_response_to_string (ps2_self_test_response_t response)
static const char *	ps2_device_test_response_to_string (ps2_device_test_response_t response)
static const char *	ps2_device_to_string (ps2_device_t device)
static uint64_t	ps2_controller_init (void)
static void	ps2_controller_deinit (void)
static uint64_t	ps2_self_test (void)
static uint64_t	ps2_check_if_dual_channel (void)
static uint64_t	ps2_devices_test (void)
void	ps2_drain (void)
	Drain the PS/2 output buffer.
uint64_t	ps2_wait_until_set (ps2_status_bits_t status)
	Wait until status bit(s) are set.
uint64_t	ps2_wait_until_clear (ps2_status_bits_t status)
	Wait until status bit(s) are clear.
uint64_t	ps2_read (void)
	Read from the PS/2 controllers data port.
uint64_t	ps2_read_no_wait (void)
	Read from the PS/2 controllers data port without waiting.
uint64_t	ps2_write (uint8_t data)
	Write to the PS/2 controllers data port.
uint64_t	ps2_cmd (ps2_cmd_t command)
	Send a command to the PS/2 controller without reading response.
uint64_t	ps2_cmd_and_read (ps2_cmd_t command)
	Send a command to the PS/2 controller and read response.
uint64_t	ps2_cmd_and_write (ps2_cmd_t command, uint8_t data)
	Send a command to the PS/2 controller and write data.
static uint64_t	ps2_device_init (ps2_device_t device)
uint64_t	ps2_device_cmd (ps2_device_t device, ps2_device_cmd_t command)
	Send a command to a PS/2 device without reading response.
uint64_t	ps2_device_cmd_and_read (ps2_device_t device, ps2_device_cmd_t command)
	Send a command to a PS/2 device and read response.
uint64_t	ps2_device_sub_cmd (ps2_device_t device, ps2_device_cmd_t command, uint8_t subCommand)
	Send a command and a subcommand to a PS/2 device.
static uint64_t	ps2_attach_device (const char *type, const char *name)
uint64_t	_module_procedure (const module_event_t *event)
	MODULE_INFO ("PS2 Driver", "Kai Norberg", "A PS/2 keyboard and mouse driver", OS_VERSION, "MIT", PS2_KEYBOARD_PNP_IDS ";" PS2_MOUSE_PNP_IDS)

Variables
static port_t	dataPort = 0
static port_t	statusPort = 0
static port_t	commandPort = 0
static uint64_t	currentConfig = 0
static bool	isDualChannel = false
static bool	controllerInitialized = false
static ps2_known_device_t	knownKeyboards []
static ps2_known_device_t	knownMice []
static ps2_device_info_t	devices [PS2_DEV_COUNT]
static lock_t	attachLock = LOCK_CREATE()

Function Documentation

ps2_self_test_response_to_string()

static const char * ps2_self_test_response_to_string ( ps2_self_test_response_t  response )

static

Definition at line 105 of file ps2.c.

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ps2_device_test_response_to_string()

static const char * ps2_device_test_response_to_string ( ps2_device_test_response_t  response )

static

Definition at line 118 of file ps2.c.

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ps2_device_to_string()

static const char * ps2_device_to_string ( ps2_device_t  device )

static

Definition at line 137 of file ps2.c.

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ps2_controller_init()

static uint64_t ps2_controller_init ( void  )

static

Definition at line 150 of file ps2.c.

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ps2_controller_deinit()

static void ps2_controller_deinit ( void  )

static

Definition at line 191 of file ps2.c.

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ps2_self_test()

static uint64_t ps2_self_test ( void  )

static

Definition at line 220 of file ps2.c.

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ps2_check_if_dual_channel()

static uint64_t ps2_check_if_dual_channel ( void  )

static

Definition at line 251 of file ps2.c.

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ps2_devices_test()

static uint64_t ps2_devices_test ( void  )

static

Definition at line 301 of file ps2.c.

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ps2_device_init()

static uint64_t ps2_device_init ( ps2_device_t  device )

static

Definition at line 426 of file ps2.c.

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ps2_attach_device()

static uint64_t ps2_attach_device ( const char *  type, const char *  name  )

static

Definition at line 548 of file ps2.c.

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_module_procedure()

uint64_t _module_procedure

(

const module_event_t *

event

)

Definition at line 754 of file ps2.c.

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MODULE_INFO()

MODULE_INFO	(	"PS2 Driver"	,
		"Kai Norberg"	,
		"A PS/2 keyboard and mouse driver"	,
		OS_VERSION	,
		"MIT"	,
		PS2_KEYBOARD_PNP_IDS ";"	PS2_MOUSE_PNP_IDS
	)

Variable Documentation

dataPort

port_t dataPort = 0

static

Definition at line 21 of file ps2.c.

statusPort

port_t statusPort = 0

static

Definition at line 22 of file ps2.c.

commandPort

port_t commandPort = 0

static

Definition at line 23 of file ps2.c.

currentConfig

uint64_t currentConfig = 0

static

Definition at line 25 of file ps2.c.

isDualChannel

bool isDualChannel = false

static

Definition at line 27 of file ps2.c.

controllerInitialized

bool controllerInitialized = false

static

Definition at line 28 of file ps2.c.

knownKeyboards

ps2_known_device_t knownKeyboards[]

static

Initial value:

= {
    {"PNP0300", "IBM PC/XT keyboard controller (83-key)"},
    {"PNP0301", "IBM PC/AT keyboard controller (86-key)"},
    {"PNP0302", "IBM PC/XT keyboard controller (84-key)"},
    {"PNP0303", "IBM Enhanced (101/102-key, PS/2 mouse support)"},
    {"PNP0304", "Olivetti Keyboard (83-key)"},
    {"PNP0305", "Olivetti Keyboard (102-key)"},
    {"PNP0306", "Olivetti Keyboard (86-key)"},
    {"PNP0307", "Microsoft Windows(R) Keyboard"},
    {"PNP0308", "General Input Device Emulation Interface (GIDEI) legacy"},
    {"PNP0309", "Olivetti Keyboard (A101/102 key)"},
    {"PNP030A", "AT&T 302 keyboard"},
    {"PNP030B", "Reserved by Microsoft"},
    {"PNP0320", "Japanese 101-key keyboard"},
    {"PNP0321", "Japanese AX keyboard"},
    {"PNP0322", "Japanese 106-key keyboard A01"},
    {"PNP0323", "Japanese 106-key keyboard 002/003"},
    {"PNP0324", "Japanese 106-key keyboard 001"},
    {"PNP0325", "Japanese Toshiba Desktop keyboard"},
    {"PNP0326", "Japanese Toshiba Laptop keyboard"},
    {"PNP0327", "Japanese Toshiba Notebook keyboard"},
    {"PNP0340", "Korean 84-key keyboard"},
    {"PNP0341", "Korean 86-key keyboard"},
    {"PNP0342", "Korean Enhanced keyboard"},
    {"PNP0343", "Korean Enhanced keyboard 101(b/c)"},
    {"PNP0344", "Korean Enhanced keyboard 103"},
}

Definition at line 30 of file ps2.c.

knownMice

ps2_known_device_t knownMice[]

static

Definition at line 58 of file ps2.c.

devices

ps2_device_info_t devices[PS2_DEV_COUNT]

static

Initial value:

= {
    [0] = {.device = PS2_DEV_FIRST},
    [1] = {.device = PS2_DEV_SECOND},
}

Definition at line 99 of file ps2.c.

attachLock

lock_t attachLock = LOCK_CREATE()

static

Definition at line 103 of file ps2.c.