288 lines
7.3 KiB
C
288 lines
7.3 KiB
C
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/*****************************************************************************
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Copyright(c) 2014 FCI Inc. All Rights Reserved
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File name : fc8180_ppi.c
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Description : source of EBI2LCD interface
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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History :
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----------------------------------------------------------------------
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*******************************************************************************/
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#include "fci_types.h"
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#include "fc8180_regs.h"
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#include "fci_oal.h"
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#define BBM_BASE_ADDR 0x00
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#define PPI_BMODE 0x00
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#define PPI_WMODE 0x10
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#define PPI_LMODE 0x20
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#define PPI_READ 0x40
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#define PPI_WRITE 0x00
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#define PPI_AINC 0x80
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#define FC8180_PPI_REG (*(volatile u8 *) (BBM_BASE_ADDR))
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s32 fc8180_ppi_init(HANDLE handle, u16 param1, u16 param2)
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{
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OAL_CREATE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_byteread(HANDLE handle, u16 addr, u8 *data)
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{
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u32 length = 1;
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u8 cmd = PPI_READ | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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*data = (FC8180_PPI_REG & 0x0f) << 4;
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*data |= (FC8180_PPI_REG & 0x0f);
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_wordread(HANDLE handle, u16 addr, u16 *data)
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{
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u32 length = 2;
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u8 cmd = PPI_AINC | PPI_READ | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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*data = (FC8180_PPI_REG & 0x0f) << 4;
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*data |= (FC8180_PPI_REG & 0x0f);
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*data |= (FC8180_PPI_REG & 0x0f) << 12;
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*data |= (FC8180_PPI_REG & 0x0f) << 8;
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_longread(HANDLE handle, u16 addr, u32 *data)
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{
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u32 length = 4;
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u8 cmd = PPI_AINC | PPI_READ | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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*data = (FC8180_PPI_REG & 0x0f) << 4;
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*data |= (FC8180_PPI_REG & 0x0f);
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*data |= (FC8180_PPI_REG & 0x0f) << 12;
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*data |= (FC8180_PPI_REG & 0x0f) << 8;
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*data |= (FC8180_PPI_REG & 0x0f) << 20;
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*data |= (FC8180_PPI_REG & 0x0f) << 16;
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*data |= (FC8180_PPI_REG & 0x0f) << 28;
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*data |= (FC8180_PPI_REG & 0x0f) << 24;
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_bulkread(HANDLE handle, u16 addr, u8 *data, u16 length)
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{
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s32 i;
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u8 cmd = PPI_AINC | PPI_READ | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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for (i = 0; i < length; i++) {
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data[i] = (FC8180_PPI_REG & 0x0f) << 4;
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data[i] |= (FC8180_PPI_REG & 0x0f);
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}
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_bytewrite(HANDLE handle, u16 addr, u8 data)
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{
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u32 length = 1;
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u8 cmd = PPI_WRITE | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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FC8180_PPI_REG = (data >> 4) & 0x0f;
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FC8180_PPI_REG = data & 0x0f;
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_wordwrite(HANDLE handle, u16 addr, u16 data)
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{
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u32 length = 2;
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u8 cmd = PPI_AINC | PPI_WRITE | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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FC8180_PPI_REG = (data >> 4) & 0x0f;
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FC8180_PPI_REG = data & 0x0f;
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FC8180_PPI_REG = (data >> 12) & 0x0f;
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FC8180_PPI_REG = (data >> 8) & 0x0f;
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_longwrite(HANDLE handle, u16 addr, u32 data)
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{
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u32 length = 4;
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u8 cmd = PPI_AINC | PPI_WRITE | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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FC8180_PPI_REG = (data >> 4) & 0x0f;
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FC8180_PPI_REG = data & 0x0f;
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FC8180_PPI_REG = (data >> 12) & 0x0f;
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FC8180_PPI_REG = (data >> 8) & 0x0f;
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FC8180_PPI_REG = (data >> 20) & 0x0f;
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FC8180_PPI_REG = (data >> 16) & 0x0f;
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FC8180_PPI_REG = (data >> 28) & 0x0f;
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FC8180_PPI_REG = (data >> 24) & 0x0f;
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_bulkwrite(HANDLE handle, u16 addr, u8 *data, u16 length)
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{
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s32 i;
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u8 cmd = PPI_AINC | PPI_WRITE | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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for (i = 0; i < length; i++) {
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FC8180_PPI_REG = (data[i] >> 4) & 0x0f;
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FC8180_PPI_REG = data[i] & 0x0f;
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}
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_dataread(HANDLE handle, u16 addr, u8 *data, u32 length)
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{
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s32 i;
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u8 cmd = PPI_READ | ((length & 0x0f0000) >> 16);
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OAL_OBTAIN_SEMAPHORE();
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FC8180_PPI_REG = addr;
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FC8180_PPI_REG = addr >> 4;
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FC8180_PPI_REG = addr >> 8;
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FC8180_PPI_REG = addr >> 12;
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FC8180_PPI_REG = cmd >> 4;
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FC8180_PPI_REG = cmd;
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FC8180_PPI_REG = length >> 12;
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FC8180_PPI_REG = length >> 8;
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FC8180_PPI_REG = length >> 4;
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FC8180_PPI_REG = length;
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for (i = 0; i < length; i++) {
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data[i] = (FC8180_PPI_REG & 0x0f) << 4;
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data[i] |= (FC8180_PPI_REG & 0x0f);
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}
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OAL_RELEASE_SEMAPHORE();
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return BBM_OK;
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}
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s32 fc8180_ppi_deinit(HANDLE handle)
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{
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OAL_DELETE_SEMAPHORE();
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return BBM_OK;
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}
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