b2spi.c

8032底层驱动部分。因为可以移植 所以单独来拿出来

/*****************************************************************************
*  Copyright Statement:
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*
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*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *    b2psi.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines baseband to PMIC interface
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include 	"kal_release.h"
#include 	"stack_common.h"  
#include 	"stack_msgs.h"
#include 	"app_ltlcom.h"       /* Task message communiction */
#include 	"drv_comm.h"
#include    "drvsignals.h"
#include 	"reg_base.h"
#include 	"pmic6318_hw.h"
#include 	"pmic6318_sw.h"
#include 	"b2psi_hw.h"
#include 	"intrCtrl.h"
#include	   "stack_ltlcom.h"       /*msg_send_ext_queue.....definitions*/
#include	   "stack_config.h"        /*MOD_UART1_HISR,MOD_UART2_HISR*/
#include    "drvpdn.h"
#include 	"gpio_hw.h"
#include 	"gpio_sw.h"
#if ( (defined(MT6318))  )
/*only for superman29 wrong layout*/
#ifdef SUPERMAN29_DEMO_BB
   #ifdef __CUST_NEW__
      #define B2PSI_CS_PIN    (GPIO_MAGIC_NUM|24)
   #else
      #define B2PSI_CS_PIN    24
   #endif
#endif


#if 0/*This is for LISR/HISR/L1D measuremnt*/
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#endif/*This is for LISR/HISR/L1D measuremnt*/
/*
* FUNCTION                                                            
*	B2PSI_init
*
* DESCRIPTION                                                           
*    B2PSI initial function
*
* CALLS  
*	It is called before using B2PSI
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void B2PSI_init(void)
{
   /*GPIO setting, becasue this is in front of customization*/   
   //DRV_Reg(GPIO_MODE3) |= 0x51;   
   /*Because of driving strength(only 2ma), the designer suggests
   divisor=0x8 */   
   DRV_WriteReg(B2PSI_DIV,0x8);              
   #ifndef __CUST_NEW__
      #ifdef SUPERMAN29_DEMO_BB
      /*only for superman29 wrong layout*/      
      GPIO_ModeSetup(B2PSI_CS_PIN, 0);
      GPIO_InitIO(OUTPUT, B2PSI_CS_PIN);
      #endif
   #endif /* __CUST_NEW__ */
}

/*
* FUNCTION                                                            
*	B2PSI_write
*
* DESCRIPTION                                                           
*  B2PSI write function
*
* CALLS  
*	It is called to write data to PMIC.
*
* PARAMETERS
*	data: data that be written
*  register_index: register index  
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
#ifdef SUPERMAN29_DEMO_BB
/*only for superman29 wrong layout*/      
kal_uint32 debug_loop, debug_loop_cnt=10;
#endif
kal_uint16 dbg_data, dbg_index;
void B2PSI_write(kal_uint8 data, kal_uint16 register_index)
{
   kal_uint16     write_data=0;   
   kal_uint16     i, status=0;
   
   write_data=(register_index|B2PSI_WRITE_MASK|data);         
   DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_B2SPI,PDN_B2PSI);
#ifdef SUPERMAN29_DEMO_BB
   GPIO_WriteIO(0, B2PSI_CS_PIN);
   for(debug_loop=0;debug_loop<debug_loop_cnt;debug_loop++){};
#endif
   //L1D_MeasureMaxDuration_Start( &b2psi_duration );
   DRV_WriteReg(B2PSI_DATA,B2PSI_DATA_KEY);   
#ifdef SUPERMAN29_DEMO_BB 
   GPIO_WriteIO(1, B2PSI_CS_PIN);
#endif
   /*this short loop is becasue B2PSI needs this to change his state machine*/
   for(i=0;i<10;i++){}   
#ifdef SUPERMAN29_DEMO_BB 
GPIO_WriteIO(0, B2PSI_CS_PIN);
   for(debug_loop=0;debug_loop<debug_loop_cnt;debug_loop++){};
#endif
   DRV_WriteReg(B2PSI_DATA,write_data); 
   //L1D_MeasureMaxDuration_Stop( &b2psi_duration );
   /*write data to reg_save*/     
   pmic_write_to_register_save(data,register_index);
   dbg_data=data;
   dbg_index=register_index;  
   while(!status)
   {
      status=DRV_Reg(B2PSI_STAT);       
      status&=0x2;   
   }   
#ifdef SUPERMAN29_DEMO_BB
   GPIO_WriteIO(1, B2PSI_CS_PIN);
#endif
   DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_B2SPI,PDN_B2PSI);
       
}
/*
* FUNCTION                                                            
*	B2PSI_read
*
* DESCRIPTION                                                           
*  B2PSI read function
*
* CALLS  
*	It is called to read data from PMIC.
*
* PARAMETERS
*  register_index: register index  
*
* RETURNS
*	the data in PMIC
*
* GLOBALS AFFECTED
*   external_global
*/
kal_uint8 B2PSI_read(kal_uint16 register_index)
{
   kal_uint16 read_data=0;   
   kal_uint16 status=0;   
   DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_B2SPI,PDN_B2PSI);
#ifdef SUPERMAN29_DEMO_BB
   GPIO_WriteIO(0, B2PSI_CS_PIN);
   for(debug_loop=0;debug_loop<debug_loop_cnt;debug_loop++){};
#endif
   
   DRV_WriteReg(B2PSI_DATA,register_index);                  
   while(!status)
   {
      status=DRV_Reg(B2PSI_STAT);         
      status&=0x1;  
   }     
   read_data=(kal_uint8) DRV_Reg(B2PSI_DATA);  
#ifdef SUPERMAN29_DEMO_BB
   GPIO_WriteIO(1, B2PSI_CS_PIN);
#endif
      return (kal_uint8) read_data;           
   DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_B2SPI,PDN_B2PSI);
}


#endif/*MT6318*/