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/*****************************************************************************
Copyright(c) 2012 FCI Inc. All Rights Reserved
File name : fc8150_ppi.c
Description : fc8150 host interface
*******************************************************************************/
#include "linux/io.h"
#include "fci_types.h"
#include "fc8150_regs.h"
#include "fci_oal.h"
#define BBM_BASE_ADDR 0x00
#define PPI_BMODE 0x00
#define PPI_WMODE 0x10
#define PPI_LMODE 0x20
#define PPI_READ 0x40
#define PPI_WRITE 0x00
#define PPI_AINC 0x80
#define FC8150_PPI_REG_OUT(x) outb(x, BBM_BASE_ADDR)
#define FC8150_PPI_REG_IN inb(BBM_BASE_ADDR)
int fc8150_ppi_init(HANDLE hDevice, u16 param1, u16 param2)
{
OAL_CREATE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_byteread(HANDLE hDevice, u16 addr, u8 *data)
{
u32 length = 1;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(PPI_READ | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
*data = FC8150_PPI_REG_IN;
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_wordread(HANDLE hDevice, u16 addr, u16 *data)
{
u32 length = 2;
u8 command = PPI_AINC | PPI_READ | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
*data = FC8150_PPI_REG_IN;
*data |= FC8150_PPI_REG_IN << 8;
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_longread(HANDLE hDevice, u16 addr, u32 *data)
{
u32 length = 4;
u8 command = PPI_AINC | PPI_READ | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
*data = FC8150_PPI_REG_IN;
*data |= FC8150_PPI_REG_IN << 8;
*data |= FC8150_PPI_REG_IN << 16;
*data |= FC8150_PPI_REG_IN << 24;
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length)
{
int i;
u8 command = PPI_AINC | PPI_READ | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
for (i = 0; i < length; i++)
data[i] = FC8150_PPI_REG_IN;
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_bytewrite(HANDLE hDevice, u16 addr, u8 data)
{
u32 length = 1;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(PPI_WRITE | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
FC8150_PPI_REG_OUT(data);
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_wordwrite(HANDLE hDevice, u16 addr, u16 data)
{
u32 length = 2;
u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
FC8150_PPI_REG_OUT(data & 0xff);
FC8150_PPI_REG_OUT((data & 0xff00) >> 8);
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_longwrite(HANDLE hDevice, u16 addr, u32 data)
{
u32 length = 4;
u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
FC8150_PPI_REG_OUT(data & 0x000000ff);
FC8150_PPI_REG_OUT((data & 0x0000ff00) >> 8);
FC8150_PPI_REG_OUT((data & 0x00ff0000) >> 16);
FC8150_PPI_REG_OUT((data & 0xff000000) >> 24);
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length)
{
int i;
u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
for (i = 0; i < length; i++)
FC8150_PPI_REG_OUT(data[i]);
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_dataread(HANDLE hDevice, u16 addr, u8 *data, u32 length)
{
int i;
u8 command = PPI_READ | PPI_BMODE;
OAL_OBTAIN_SEMAPHORE();
FC8150_PPI_REG_OUT(addr & 0xff);
FC8150_PPI_REG_OUT((addr & 0xff00) >> 8);
FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16));
FC8150_PPI_REG_OUT((length & 0xff00) >> 8);
FC8150_PPI_REG_OUT(length & 0xff);
for (i = 0; i < length; i++)
data[i] = FC8150_PPI_REG_IN;
OAL_RELEASE_SEMAPHORE();
return BBM_OK;
}
int fc8150_ppi_deinit(HANDLE hDevice)
{
OAL_DELETE_SEMAPHORE();
return BBM_OK;
}
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