[net-next-2.6.git] / drivers / scsi / cpqfcTStrigger.c

// Routine to trigger Finisar GTA analyzer. Runs of GPIO2
// NOTE: DEBUG ONLY! Could interfere with FCMNGR/Miniport operation
// since it writes directly to the Tachyon board.  This function
// developed for Compaq HBA Tachyon TS v1.2 (Rev X5 PCB)

#include "cpqfcTStrigger.h"
#if TRIGGERABLE_HBA

#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <asm/io.h>

void TriggerHBA( void* IOBaseUpper, int Print)
{
  __u32 long value;

  // get initial value in hopes of not modifying any other GPIO line
  IOBaseUpper += 0x188;  // TachTL/TS Control reg
  
  value = readl( IOBaseUpper);
  // set HIGH to trigger external analyzer (tested on Dolche Finisar 1Gb GTA)
  // The Finisar anaylzer triggers on low-to-high TTL transition
  value |= 0x01; // set bit 0

  writel( value, IOBaseUpper);

  if( Print)
    printk( " -GPIO0 set- ");
}

#endif
Commit	Line	Data
1da177e4 LT	1	// Routine to trigger Finisar GTA analyzer. Runs of GPIO2
	2	// NOTE: DEBUG ONLY! Could interfere with FCMNGR/Miniport operation
	3	// since it writes directly to the Tachyon board. This function
	4	// developed for Compaq HBA Tachyon TS v1.2 (Rev X5 PCB)
	5
	6	#include "cpqfcTStrigger.h"
	7	#if TRIGGERABLE_HBA
	8
	9	#include <linux/kernel.h>
	10	#include <linux/ioport.h>
	11	#include <linux/types.h>
	12	#include <linux/pci.h>
	13	#include <asm/io.h>
	14
	15	void TriggerHBA( void* IOBaseUpper, int Print)
	16	{
	17	__u32 long value;
	18
	19	// get initial value in hopes of not modifying any other GPIO line
	20	IOBaseUpper += 0x188; // TachTL/TS Control reg
	21
	22	value = readl( IOBaseUpper);
	23	// set HIGH to trigger external analyzer (tested on Dolche Finisar 1Gb GTA)
	24	// The Finisar anaylzer triggers on low-to-high TTL transition
	25	value \|= 0x01; // set bit 0
	26
	27	writel( value, IOBaseUpper);
	28
	29	if( Print)
	30	printk( " -GPIO0 set- ");
	31	}
	32
	33	#endif