PS/2 Mouse Driver

PS/2 Mouse Driver. More...

Collaboration diagram for PS/2 Mouse Driver:

Detailed Description

PS/2 Mouse Driver.

Todo:

Implement scrolling and buttons 4 and 5.

Data Structures
struct	ps2_mouse_packet_t
	PS/2 mouse packet structure. More...
struct	ps2_mouse_t
	PS/2 mouse private data. More...

Enumerations
enum	ps2_mouse_packet_flags_t {   PS2_PACKET_BUTTON_LEFT = (1 << 0) , PS2_PACKET_BUTTON_RIGHT = (1 << 1) , PS2_PACKET_BUTTON_MIDDLE = (1 << 2) , PS2_PACKET_ALWAYS_ONE = (1 << 3) ,   PS2_PACKET_X_SIGN = (1 << 4) , PS2_PACKET_Y_SIGN = (1 << 5) , PS2_PACKET_X_OVERFLOW = (1 << 6) , PS2_PACKET_Y_OVERFLOW = (1 << 7) }
	PS/2 mouse packet flags. More...
enum	ps2_mouse_packet_index_t { PS2_PACKET_FLAGS = 0 , PS2_PACKET_DELTA_X = 1 , PS2_PACKET_DELTA_Y = 2 }
	PS/2 mouse packet index. More...

Functions
uint64_t	ps2_mouse_init (ps2_device_info_t *info)
	Initialize a PS/2 mouse device.
uint64_t	ps2_mouse_irq_register (ps2_device_info_t *info)
	Register the IRQ handler for a PS/2 mouse device.
void	ps2_mouse_deinit (ps2_device_info_t *info)
	Deinitialize a PS/2 mouse device.

Enumeration Type Documentation

ps2_mouse_packet_flags_t

enum ps2_mouse_packet_flags_t

PS/2 mouse packet flags.

Enumerator
PS2_PACKET_BUTTON_LEFT
PS2_PACKET_BUTTON_RIGHT
PS2_PACKET_BUTTON_MIDDLE
PS2_PACKET_ALWAYS_ONE
PS2_PACKET_X_SIGN
PS2_PACKET_Y_SIGN
PS2_PACKET_X_OVERFLOW
PS2_PACKET_Y_OVERFLOW

Definition at line 20 of file ps2_mouse.h.

ps2_mouse_packet_index_t

enum ps2_mouse_packet_index_t

PS/2 mouse packet index.

Since the packet is received one byte at a time, this enum specifies which member is the next byte to be received.

Enumerator
PS2_PACKET_FLAGS
PS2_PACKET_DELTA_X
PS2_PACKET_DELTA_Y

Definition at line 49 of file ps2_mouse.h.

Function Documentation

ps2_mouse_init()

uint64_t ps2_mouse_init

(

ps2_device_info_t *

info

)

Initialize a PS/2 mouse device.

Parameters

info	Device information structure

Returns

On success, 0. On failure, ERR.

Definition at line 110 of file ps2_mouse.c.

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ps2_mouse_irq_register()

uint64_t ps2_mouse_irq_register

(

ps2_device_info_t *

info

)

Register the IRQ handler for a PS/2 mouse device.

Parameters

info	Device information structure.

Returns

On success, 0. On failure, ERR and errno is set.

Definition at line 141 of file ps2_mouse.c.

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ps2_mouse_deinit()

void ps2_mouse_deinit

(

ps2_device_info_t *

info

)

Deinitialize a PS/2 mouse device.

Parameters

info	Device information structure.

Definition at line 160 of file ps2_mouse.c.

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