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/*****************************************************************************
Copyright(c) 2009 FCI Inc. All Rights Reserved
File name : fc8050_i2c.c
Description : fc8050 host interface
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
History :
----------------------------------------------------------------------
*******************************************************************************/
#include "fci_types.h"
#include "fc8050_regs.h"
#define HPIC_READ 0x01 /* read command */
#define HPIC_WRITE 0x02 /* write command */
#define HPIC_AINC 0x04 /* address increment */
#define HPIC_BMODE 0x00 /* byte mode */
#define HPIC_WMODE 0x10 /* word mode */
#define HPIC_LMODE 0x20 /* long mode */
#define HPIC_ENDIAN 0x00 /* little endian */
#define HPIC_CLEAR 0x80 /* currently not used */
#define CHIP_ADRR 0x58
static int i2c_bulkread(HANDLE hDevice, u8 addr, u8 *data, u16 length)
{
return 0;
}
static int i2c_bulkwrite(HANDLE hDevice, u8 addr, u8 *data, u16 length)
{
return 0;
}
static int i2c_dataread(HANDLE hDevice, u8 addr, u8 *data, u16 length)
{
return i2c_bulkread(hDevice, addr, data, length);
}
int fc8050_i2c_init(HANDLE hDevice, u16 param1, u16 param2)
{
return BBM_OK;
}
int fc8050_i2c_byteread(HANDLE hDevice, u16 addr, u8 *data)
{
int res;
u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkread(hDevice, BBM_DATA_REG, data, 1);
return res;
}
int fc8050_i2c_wordread(HANDLE hDevice, u16 addr, u16 *data)
{
int res;
u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
if (BBM_SCI_DATA <= addr && BBM_SCI_SYNCRX >= addr)
command = HPIC_READ | HPIC_WMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkread(hDevice, BBM_DATA_REG, (u8 *)data, 2);
return res;
}
int fc8050_i2c_longread(HANDLE hDevice, u16 addr, u32 *data)
{
int res;
u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkread(hDevice, BBM_DATA_REG, (u8 *)data, 4);
return res;
}
int fc8050_i2c_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length)
{
int res;
u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkread(hDevice, BBM_DATA_REG, data, length);
return res;
}
int fc8050_i2c_bytewrite(HANDLE hDevice, u16 addr, u8 data)
{
int res;
u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkwrite(hDevice, BBM_DATA_REG, (u8 *)&data, 1);
return res;
}
int fc8050_i2c_wordwrite(HANDLE hDevice, u16 addr, u16 data)
{
int res;
u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
if (BBM_SCI_DATA <= addr && BBM_SCI_SYNCRX >= addr)
command = HPIC_WRITE | HPIC_WMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkwrite(hDevice, BBM_DATA_REG, (u8 *)&data, 2);
return res;
}
int fc8050_i2c_longwrite(HANDLE hDevice, u16 addr, u32 data)
{
int res;
u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkwrite(hDevice, BBM_DATA_REG, (u8 *)&data, 4);
return res;
}
int fc8050_i2c_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length)
{
int res;
u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_bulkwrite(hDevice, BBM_DATA_REG, data, length);
return res;
}
int fc8050_i2c_dataread(HANDLE hDevice, u16 addr, u8 *data, u16 length)
{
int res;
u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN;
res = i2c_bulkwrite(hDevice, BBM_COMMAND_REG, &command, 1);
res |= i2c_bulkwrite(hDevice, BBM_ADDRESS_REG, (u8 *)&addr, 2);
res |= i2c_dataread(hDevice, BBM_DATA_REG, data, length);
return res;
}
int fc8050_i2c_deinit(HANDLE hDevice)
{
return BBM_OK;
}
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