wt_mgt.c

mini-PCI driver for LHWT chipsets

/* Copyright (C) 2005 LHWT Inc. */

#include "wtprecomp.h"
 

/******************************************************************************
        Global variable definition section
******************************************************************************/
//int pc_debug = VERBOSE;
//module_param(pc_debug, int, 0);

/******************************************************************************
    Driver general functions
******************************************************************************/
 
void wt4_write_reg(WT_ADAPTER *priv, unsigned int value, unsigned int offset, Op_Mode mode)
{
      int t_width[3]={8,16,32};
	WT_ADAPTER *Adapter = priv;
	
     // base0 = priv->MainMemAddress;
      printk(" write value (bitwidth %d) to reg 0x%x is 0x%x \n",t_width[mode],offset, value);
  	
      switch ( mode )
      {
       case BYTE_OP_TYPE:
	   	  WRITE_WT4( offset, value, BYTE_OP);
               //    *((volatile unsigned char *)((unsigned char *)(base0) + offset ) ) = value;
		 break;
       case WORD_OP_TYPE:
 		   WRITE_WT4( offset, value, WORD_OP);
               //  *((volatile unsigned short *)((unsigned char *)(base0) + offset ) ) = value;
		 break;
       case DWORD_OP_TYPE:
    		   WRITE_WT4( offset, value, DWORD_OP);
                 // *((volatile unsigned long *)((unsigned char *)(base0) + offset ) ) = value;
		  break;
       default:
               printk("operation mode is wrong \n");
	       break;
       }
	  
}

int wt4_read_reg(WT_ADAPTER *priv, unsigned int offset, Op_Mode mode)
{
      int *base0;
      unsigned char t_char;
	unsigned short t_short;
	unsigned int t_long;
      base0 = (int *)priv->MainMemAddress;
      
      printk("base0=0x%08x \n " ,((unsigned int)base0));
      
      switch (mode)
      {
       case BYTE_OP_TYPE:
                 t_char = *((volatile unsigned char *)((unsigned char *)(base0) + offset ) );
                 printk("The value of reg 0x%08x is 0x%02x \n",offset, t_char);
		 return t_char;
		 break;
       case WORD_OP_TYPE:
                 t_short = *((volatile unsigned short *)((unsigned char *)(base0) + offset ) );
                 printk("The value of reg 0x%08x is 0x%04x \n",offset,  t_short );
		 return  t_short;
		 break;
       case DWORD_OP_TYPE:
                  t_long = *((volatile unsigned long *)((unsigned char *)(base0) + offset ) );
                  printk("The value of reg 0x%08x is 0x%08x \n",offset,  t_long );
		  return t_long;		  
		  break;
       default:
               printk("operation mode is wrong \n");
	       return 0xFFFFFFFF;
	       break;
       }

	  return 0;
	  
}

void wt4_fetch_block(WT_ADAPTER *priv,int t_offset,int t_length,long *t_buffer)
{
      int i;
      PWTWLAN_MAINMEM base0;
      base0 = priv->MainMemAddress;
      
      for (i=0;i<t_length;i+=4)
      {
          *t_buffer = *(long*)((char *)base0 + t_offset + i);
	  t_buffer++;
      }
      
}