hwtwl40x.c File Reference

#include "precomp.h"

Include dependency graph for hwtwl40x.c:

Go to the source code of this file.

Functions
UCHAR NTAPI	LlbHwOmap3TwlRead1 (IN UCHAR ChipAddress, IN UCHAR RegisterAddress)
VOID NTAPI	LlbHwOmap3TwlWrite (IN UCHAR ChipAddress, IN UCHAR RegisterAddress, IN UCHAR Length, IN PUCHAR Values)
VOID NTAPI	LlbHwOmap3TwlWrite1 (IN UCHAR ChipAddress, IN UCHAR RegisterAddress, IN UCHAR Value)

Function Documentation

LlbHwOmap3TwlRead1()

UCHAR NTAPI LlbHwOmap3TwlRead1	(	IN UCHAR	ChipAddress,
		IN UCHAR	RegisterAddress
	)

Definition at line 15 of file hwtwl40x.c.

{
    volatile int i = 1000;
 
    /* Select the register */
    LlbHwOmap3TwlWrite(ChipAddress, RegisterAddress, 0, NULL);
 
    /* Now read it */
    WRITE_REGISTER_USHORT(0x48070024, 0x8401);
    for (i = 1000; i > 0; i--);
    return READ_REGISTER_USHORT(0x4807001c);
}

Referenced by LlbHwKbdRead(), LlbHwKbdReady(), LlbHwOmap3SynKpdInitialize(), and LlbHwRtcRead().

LlbHwOmap3TwlWrite()

VOID NTAPI LlbHwOmap3TwlWrite	(	IN UCHAR	ChipAddress,
		IN UCHAR	RegisterAddress,
		IN UCHAR	Length,
		IN PUCHAR	Values
	)

Definition at line 31 of file hwtwl40x.c.

{
    volatile int i = 1000;
    ULONG j;
 
    /* Select chip address */
    WRITE_REGISTER_USHORT(0x4807002c, ChipAddress);
    WRITE_REGISTER_USHORT(0x48070018, Length + 1);
 
    /* Enable master transmit mode */
    WRITE_REGISTER_USHORT(0x48070024, 0x8601);
    WRITE_REGISTER_USHORT(0x4807001c, RegisterAddress);
 
    /* Loop each byte */
    for (j = 0; j < Length; j++)
    {
        /* Write the data */
        WRITE_REGISTER_USHORT(0x4807001c, Values[j]);
    }
 
    /* Issue stop command */
    WRITE_REGISTER_USHORT(0x48070024, 0x8602);
    for (i = 1000; i > 0; i--);
}

Referenced by LlbHwOmap3TwlRead1(), and LlbHwOmap3TwlWrite1().

LlbHwOmap3TwlWrite1()

VOID NTAPI LlbHwOmap3TwlWrite1	(	IN UCHAR	ChipAddress,
		IN UCHAR	RegisterAddress,
		IN UCHAR	Value
	)

Definition at line 61 of file hwtwl40x.c.

{
    /* Do the actual write */
    LlbHwOmap3TwlWrite(ChipAddress, RegisterAddress, 1, &Value);
}

Referenced by LlbHwOmap3LcdInitialize(), LlbHwOmap3SynKpdInitialize(), and LlbHwRtcRead().