--- /dev/null
+/*********************************************************************
+ *
+ * Filename: via-ircc.h
+ * Version: 1.0
+ * Description: Driver for the VIA VT8231/VT8233 IrDA chipsets
+ * Author: VIA Technologies, inc
+ * Date : 08/06/2003
+
+Copyright (c) 1998-2003 VIA Technologies, Inc.
+
+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, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTIES OR REPRESENTATIONS; 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, see <http://www.gnu.org/licenses/>.
+
+ * Comment:
+ * jul/08/2002 : Rx buffer length should use Rx ring ptr.
+ * Oct/28/2002 : Add SB id for 3147 and 3177.
+ * jul/09/2002 : only implement two kind of dongle currently.
+ * Oct/02/2002 : work on VT8231 and VT8233 .
+ * Aug/06/2003 : change driver format to pci driver .
+ ********************************************************************/
+#ifndef via_IRCC_H
+#define via_IRCC_H
+#include <linux/spinlock.h>
+#include <linux/pm.h>
+#include <linux/types.h>
+#include <asm/io.h>
+
+#define MAX_TX_WINDOW 7
+#define MAX_RX_WINDOW 7
+
+struct st_fifo_entry {
+ int status;
+ int len;
+};
+
+struct st_fifo {
+ struct st_fifo_entry entries[MAX_RX_WINDOW + 2];
+ int pending_bytes;
+ int head;
+ int tail;
+ int len;
+};
+
+struct frame_cb {
+ void *start; /* Start of frame in DMA mem */
+ int len; /* Length of frame in DMA mem */
+};
+
+struct tx_fifo {
+ struct frame_cb queue[MAX_TX_WINDOW + 2]; /* Info about frames in queue */
+ int ptr; /* Currently being sent */
+ int len; /* Length of queue */
+ int free; /* Next free slot */
+ void *tail; /* Next free start in DMA mem */
+};
+
+
+struct eventflag // for keeping track of Interrupt Events
+{
+ //--------tx part
+ unsigned char TxFIFOUnderRun;
+ unsigned char EOMessage;
+ unsigned char TxFIFOReady;
+ unsigned char EarlyEOM;
+ //--------rx part
+ unsigned char PHYErr;
+ unsigned char CRCErr;
+ unsigned char RxFIFOOverRun;
+ unsigned char EOPacket;
+ unsigned char RxAvail;
+ unsigned char TooLargePacket;
+ unsigned char SIRBad;
+ //--------unknown
+ unsigned char Unknown;
+ //----------
+ unsigned char TimeOut;
+ unsigned char RxDMATC;
+ unsigned char TxDMATC;
+};
+
+/* Private data for each instance */
+struct via_ircc_cb {
+ struct st_fifo st_fifo; /* Info about received frames */
+ struct tx_fifo tx_fifo; /* Info about frames to be transmitted */
+
+ struct net_device *netdev; /* Yes! we are some kind of netdevice */
+
+ struct irlap_cb *irlap; /* The link layer we are binded to */
+ struct qos_info qos; /* QoS capabilities for this device */
+
+ chipio_t io; /* IrDA controller information */
+ iobuff_t tx_buff; /* Transmit buffer */
+ iobuff_t rx_buff; /* Receive buffer */
+ dma_addr_t tx_buff_dma;
+ dma_addr_t rx_buff_dma;
+
+ __u8 ier; /* Interrupt enable register */
+
+ spinlock_t lock; /* For serializing operations */
+
+ __u32 flags; /* Interface flags */
+ __u32 new_speed;
+ int index; /* Instance index */
+
+ struct eventflag EventFlag;
+ unsigned int chip_id; /* to remember chip id */
+ unsigned int RetryCount;
+ unsigned int RxDataReady;
+ unsigned int RxLastCount;
+};
+
+
+//---------I=Infrared, H=Host, M=Misc, T=Tx, R=Rx, ST=Status,
+// CF=Config, CT=Control, L=Low, H=High, C=Count
+#define I_CF_L_0 0x10
+#define I_CF_H_0 0x11
+#define I_SIR_BOF 0x12
+#define I_SIR_EOF 0x13
+#define I_ST_CT_0 0x15
+#define I_ST_L_1 0x16
+#define I_ST_H_1 0x17
+#define I_CF_L_1 0x18
+#define I_CF_H_1 0x19
+#define I_CF_L_2 0x1a
+#define I_CF_H_2 0x1b
+#define I_CF_3 0x1e
+#define H_CT 0x20
+#define H_ST 0x21
+#define M_CT 0x22
+#define TX_CT_1 0x23
+#define TX_CT_2 0x24
+#define TX_ST 0x25
+#define RX_CT 0x26
+#define RX_ST 0x27
+#define RESET 0x28
+#define P_ADDR 0x29
+#define RX_C_L 0x2a
+#define RX_C_H 0x2b
+#define RX_P_L 0x2c
+#define RX_P_H 0x2d
+#define TX_C_L 0x2e
+#define TX_C_H 0x2f
+#define TIMER 0x32
+#define I_CF_4 0x33
+#define I_T_C_L 0x34
+#define I_T_C_H 0x35
+#define VERSION 0x3f
+//-------------------------------
+#define StartAddr 0x10 // the first register address
+#define EndAddr 0x3f // the last register address
+#define GetBit(val,bit) val = (unsigned char) ((val>>bit) & 0x1)
+ // Returns the bit
+#define SetBit(val,bit) val= (unsigned char ) (val | (0x1 << bit))
+ // Sets bit to 1
+#define ResetBit(val,bit) val= (unsigned char ) (val & ~(0x1 << bit))
+ // Sets bit to 0
+
+#define OFF 0
+#define ON 1
+#define DMA_TX_MODE 0x08
+#define DMA_RX_MODE 0x04
+
+#define DMA1 0
+#define DMA2 0xc0
+#define MASK1 DMA1+0x0a
+#define MASK2 DMA2+0x14
+
+#define Clk_bit 0x40
+#define Tx_bit 0x01
+#define Rd_Valid 0x08
+#define RxBit 0x08
+
+static void DisableDmaChannel(unsigned int channel)
+{
+ switch (channel) { // 8 Bit DMA channels DMAC1
+ case 0:
+ outb(4, MASK1); //mask channel 0
+ break;
+ case 1:
+ outb(5, MASK1); //Mask channel 1
+ break;
+ case 2:
+ outb(6, MASK1); //Mask channel 2
+ break;
+ case 3:
+ outb(7, MASK1); //Mask channel 3
+ break;
+ case 5:
+ outb(5, MASK2); //Mask channel 5
+ break;
+ case 6:
+ outb(6, MASK2); //Mask channel 6
+ break;
+ case 7:
+ outb(7, MASK2); //Mask channel 7
+ break;
+ default:
+ break;
+ }
+}
+
+static unsigned char ReadLPCReg(int iRegNum)
+{
+ unsigned char iVal;
+
+ outb(0x87, 0x2e);
+ outb(0x87, 0x2e);
+ outb(iRegNum, 0x2e);
+ iVal = inb(0x2f);
+ outb(0xaa, 0x2e);
+
+ return iVal;
+}
+
+static void WriteLPCReg(int iRegNum, unsigned char iVal)
+{
+
+ outb(0x87, 0x2e);
+ outb(0x87, 0x2e);
+ outb(iRegNum, 0x2e);
+ outb(iVal, 0x2f);
+ outb(0xAA, 0x2e);
+}
+
+static __u8 ReadReg(unsigned int BaseAddr, int iRegNum)
+{
+ return (__u8) inb(BaseAddr + iRegNum);
+}
+
+static void WriteReg(unsigned int BaseAddr, int iRegNum, unsigned char iVal)
+{
+ outb(iVal, BaseAddr + iRegNum);
+}
+
+static int WriteRegBit(unsigned int BaseAddr, unsigned char RegNum,
+ unsigned char BitPos, unsigned char value)
+{
+ __u8 Rtemp, Wtemp;
+
+ if (BitPos > 7) {
+ return -1;
+ }
+ if ((RegNum < StartAddr) || (RegNum > EndAddr))
+ return -1;
+ Rtemp = ReadReg(BaseAddr, RegNum);
+ if (value == 0)
+ Wtemp = ResetBit(Rtemp, BitPos);
+ else {
+ if (value == 1)
+ Wtemp = SetBit(Rtemp, BitPos);
+ else
+ return -1;
+ }
+ WriteReg(BaseAddr, RegNum, Wtemp);
+ return 0;
+}
+
+static __u8 CheckRegBit(unsigned int BaseAddr, unsigned char RegNum,
+ unsigned char BitPos)
+{
+ __u8 temp;
+
+ if (BitPos > 7)
+ return 0xff;
+ if ((RegNum < StartAddr) || (RegNum > EndAddr)) {
+// printf("what is the register %x!\n",RegNum);
+ }
+ temp = ReadReg(BaseAddr, RegNum);
+ return GetBit(temp, BitPos);
+}
+
+static void SetMaxRxPacketSize(__u16 iobase, __u16 size)
+{
+ __u16 low, high;
+ if ((size & 0xe000) == 0) {
+ low = size & 0x00ff;
+ high = (size & 0x1f00) >> 8;
+ WriteReg(iobase, I_CF_L_2, low);
+ WriteReg(iobase, I_CF_H_2, high);
+
+ }
+
+}
+
+//for both Rx and Tx
+
+static void SetFIFO(__u16 iobase, __u16 value)
+{
+ switch (value) {
+ case 128:
+ WriteRegBit(iobase, 0x11, 0, 0);
+ WriteRegBit(iobase, 0x11, 7, 1);
+ break;
+ case 64:
+ WriteRegBit(iobase, 0x11, 0, 0);
+ WriteRegBit(iobase, 0x11, 7, 0);
+ break;
+ case 32:
+ WriteRegBit(iobase, 0x11, 0, 1);
+ WriteRegBit(iobase, 0x11, 7, 0);
+ break;
+ default:
+ WriteRegBit(iobase, 0x11, 0, 0);
+ WriteRegBit(iobase, 0x11, 7, 0);
+ }
+
+}
+
+#define CRC16(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,7,val) //0 for 32 CRC
+/*
+#define SetVFIR(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,5,val)
+#define SetFIR(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,6,val)
+#define SetMIR(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,5,val)
+#define SetSIR(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,4,val)
+*/
+#define SIRFilter(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,3,val)
+#define Filter(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,2,val)
+#define InvertTX(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,1,val)
+#define InvertRX(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_L_0,0,val)
+//****************************I_CF_H_0
+#define EnableTX(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,4,val)
+#define EnableRX(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,3,val)
+#define EnableDMA(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,2,val)
+#define SIRRecvAny(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,1,val)
+#define DiableTrans(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_H_0,0,val)
+//***************************I_SIR_BOF,I_SIR_EOF
+#define SetSIRBOF(BaseAddr,val) WriteReg(BaseAddr,I_SIR_BOF,val)
+#define SetSIREOF(BaseAddr,val) WriteReg(BaseAddr,I_SIR_EOF,val)
+#define GetSIRBOF(BaseAddr) ReadReg(BaseAddr,I_SIR_BOF)
+#define GetSIREOF(BaseAddr) ReadReg(BaseAddr,I_SIR_EOF)
+//*******************I_ST_CT_0
+#define EnPhys(BaseAddr,val) WriteRegBit(BaseAddr,I_ST_CT_0,7,val)
+#define IsModeError(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,6) //RO
+#define IsVFIROn(BaseAddr) CheckRegBit(BaseAddr,0x14,0) //RO for VT1211 only
+#define IsFIROn(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,5) //RO
+#define IsMIROn(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,4) //RO
+#define IsSIROn(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,3) //RO
+#define IsEnableTX(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,2) //RO
+#define IsEnableRX(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,1) //RO
+#define Is16CRC(BaseAddr) CheckRegBit(BaseAddr,I_ST_CT_0,0) //RO
+//***************************I_CF_3
+#define DisableAdjacentPulseWidth(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_3,5,val) //1 disable
+#define DisablePulseWidthAdjust(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_3,4,val) //1 disable
+#define UseOneRX(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_3,1,val) //0 use two RX
+#define SlowIRRXLowActive(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_3,0,val) //0 show RX high=1 in SIR
+//***************************H_CT
+#define EnAllInt(BaseAddr,val) WriteRegBit(BaseAddr,H_CT,7,val)
+#define TXStart(BaseAddr,val) WriteRegBit(BaseAddr,H_CT,6,val)
+#define RXStart(BaseAddr,val) WriteRegBit(BaseAddr,H_CT,5,val)
+#define ClearRXInt(BaseAddr,val) WriteRegBit(BaseAddr,H_CT,4,val) // 1 clear
+//*****************H_ST
+#define IsRXInt(BaseAddr) CheckRegBit(BaseAddr,H_ST,4)
+#define GetIntIndentify(BaseAddr) ((ReadReg(BaseAddr,H_ST)&0xf1) >>1)
+#define IsHostBusy(BaseAddr) CheckRegBit(BaseAddr,H_ST,0)
+#define GetHostStatus(BaseAddr) ReadReg(BaseAddr,H_ST) //RO
+//**************************M_CT
+#define EnTXDMA(BaseAddr,val) WriteRegBit(BaseAddr,M_CT,7,val)
+#define EnRXDMA(BaseAddr,val) WriteRegBit(BaseAddr,M_CT,6,val)
+#define SwapDMA(BaseAddr,val) WriteRegBit(BaseAddr,M_CT,5,val)
+#define EnInternalLoop(BaseAddr,val) WriteRegBit(BaseAddr,M_CT,4,val)
+#define EnExternalLoop(BaseAddr,val) WriteRegBit(BaseAddr,M_CT,3,val)
+//**************************TX_CT_1
+#define EnTXFIFOHalfLevelInt(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_1,4,val) //half empty int (1 half)
+#define EnTXFIFOUnderrunEOMInt(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_1,5,val)
+#define EnTXFIFOReadyInt(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_1,6,val) //int when reach it threshold (setting by bit 4)
+//**************************TX_CT_2
+#define ForceUnderrun(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_2,7,val) // force an underrun int
+#define EnTXCRC(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_2,6,val) //1 for FIR,MIR...0 (not SIR)
+#define ForceBADCRC(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_2,5,val) //force an bad CRC
+#define SendSIP(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_2,4,val) //send indication pulse for prevent SIR disturb
+#define ClearEnTX(BaseAddr,val) WriteRegBit(BaseAddr,TX_CT_2,3,val) // opposite to EnTX
+//*****************TX_ST
+#define GetTXStatus(BaseAddr) ReadReg(BaseAddr,TX_ST) //RO
+//**************************RX_CT
+#define EnRXSpecInt(BaseAddr,val) WriteRegBit(BaseAddr,RX_CT,0,val)
+#define EnRXFIFOReadyInt(BaseAddr,val) WriteRegBit(BaseAddr,RX_CT,1,val) //enable int when reach it threshold (setting by bit 7)
+#define EnRXFIFOHalfLevelInt(BaseAddr,val) WriteRegBit(BaseAddr,RX_CT,7,val) //enable int when (1) half full...or (0) just not full
+//*****************RX_ST
+#define GetRXStatus(BaseAddr) ReadReg(BaseAddr,RX_ST) //RO
+//***********************P_ADDR
+#define SetPacketAddr(BaseAddr,addr) WriteReg(BaseAddr,P_ADDR,addr)
+//***********************I_CF_4
+#define EnGPIOtoRX2(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_4,7,val)
+#define EnTimerInt(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_4,1,val)
+#define ClearTimerInt(BaseAddr,val) WriteRegBit(BaseAddr,I_CF_4,0,val)
+//***********************I_T_C_L
+#define WriteGIO(BaseAddr,val) WriteRegBit(BaseAddr,I_T_C_L,7,val)
+#define ReadGIO(BaseAddr) CheckRegBit(BaseAddr,I_T_C_L,7)
+#define ReadRX(BaseAddr) CheckRegBit(BaseAddr,I_T_C_L,3) //RO
+#define WriteTX(BaseAddr,val) WriteRegBit(BaseAddr,I_T_C_L,0,val)
+//***********************I_T_C_H
+#define EnRX2(BaseAddr,val) WriteRegBit(BaseAddr,I_T_C_H,7,val)
+#define ReadRX2(BaseAddr) CheckRegBit(BaseAddr,I_T_C_H,7)
+//**********************Version
+#define GetFIRVersion(BaseAddr) ReadReg(BaseAddr,VERSION)
+
+
+static void SetTimer(__u16 iobase, __u8 count)
+{
+ EnTimerInt(iobase, OFF);
+ WriteReg(iobase, TIMER, count);
+ EnTimerInt(iobase, ON);
+}
+
+
+static void SetSendByte(__u16 iobase, __u32 count)
+{
+ __u32 low, high;
+
+ if ((count & 0xf000) == 0) {
+ low = count & 0x00ff;
+ high = (count & 0x0f00) >> 8;
+ WriteReg(iobase, TX_C_L, low);
+ WriteReg(iobase, TX_C_H, high);
+ }
+}
+
+static void ResetChip(__u16 iobase, __u8 type)
+{
+ __u8 value;
+
+ value = (type + 2) << 4;
+ WriteReg(iobase, RESET, type);
+}
+
+static int CkRxRecv(__u16 iobase, struct via_ircc_cb *self)
+{
+ __u8 low, high;
+ __u16 wTmp = 0, wTmp1 = 0, wTmp_new = 0;
+
+ low = ReadReg(iobase, RX_C_L);
+ high = ReadReg(iobase, RX_C_H);
+ wTmp1 = high;
+ wTmp = (wTmp1 << 8) | low;
+ udelay(10);
+ low = ReadReg(iobase, RX_C_L);
+ high = ReadReg(iobase, RX_C_H);
+ wTmp1 = high;
+ wTmp_new = (wTmp1 << 8) | low;
+ if (wTmp_new != wTmp)
+ return 1;
+ else
+ return 0;
+
+}
+
+static __u16 RxCurCount(__u16 iobase, struct via_ircc_cb * self)
+{
+ __u8 low, high;
+ __u16 wTmp = 0, wTmp1 = 0;
+
+ low = ReadReg(iobase, RX_P_L);
+ high = ReadReg(iobase, RX_P_H);
+ wTmp1 = high;
+ wTmp = (wTmp1 << 8) | low;
+ return wTmp;
+}
+
+/* This Routine can only use in recevie_complete
+ * for it will update last count.
+ */
+
+static __u16 GetRecvByte(__u16 iobase, struct via_ircc_cb * self)
+{
+ __u8 low, high;
+ __u16 wTmp, wTmp1, ret;
+
+ low = ReadReg(iobase, RX_P_L);
+ high = ReadReg(iobase, RX_P_H);
+ wTmp1 = high;
+ wTmp = (wTmp1 << 8) | low;
+
+
+ if (wTmp >= self->RxLastCount)
+ ret = wTmp - self->RxLastCount;
+ else
+ ret = (0x8000 - self->RxLastCount) + wTmp;
+ self->RxLastCount = wTmp;
+
+/* RX_P is more actually the RX_C
+ low=ReadReg(iobase,RX_C_L);
+ high=ReadReg(iobase,RX_C_H);
+
+ if(!(high&0xe000)) {
+ temp=(high<<8)+low;
+ return temp;
+ }
+ else return 0;
+*/
+ return ret;
+}
+
+static void Sdelay(__u16 scale)
+{
+ __u8 bTmp;
+ int i, j;
+
+ for (j = 0; j < scale; j++) {
+ for (i = 0; i < 0x20; i++) {
+ bTmp = inb(0xeb);
+ outb(bTmp, 0xeb);
+ }
+ }
+}
+
+static void Tdelay(__u16 scale)
+{
+ __u8 bTmp;
+ int i, j;
+
+ for (j = 0; j < scale; j++) {
+ for (i = 0; i < 0x50; i++) {
+ bTmp = inb(0xeb);
+ outb(bTmp, 0xeb);
+ }
+ }
+}
+
+
+static void ActClk(__u16 iobase, __u8 value)
+{
+ __u8 bTmp;
+ bTmp = ReadReg(iobase, 0x34);
+ if (value)
+ WriteReg(iobase, 0x34, bTmp | Clk_bit);
+ else
+ WriteReg(iobase, 0x34, bTmp & ~Clk_bit);
+}
+
+static void ClkTx(__u16 iobase, __u8 Clk, __u8 Tx)
+{
+ __u8 bTmp;
+
+ bTmp = ReadReg(iobase, 0x34);
+ if (Clk == 0)
+ bTmp &= ~Clk_bit;
+ else {
+ if (Clk == 1)
+ bTmp |= Clk_bit;
+ }
+ WriteReg(iobase, 0x34, bTmp);
+ Sdelay(1);
+ if (Tx == 0)
+ bTmp &= ~Tx_bit;
+ else {
+ if (Tx == 1)
+ bTmp |= Tx_bit;
+ }
+ WriteReg(iobase, 0x34, bTmp);
+}
+
+static void Wr_Byte(__u16 iobase, __u8 data)
+{
+ __u8 bData = data;
+// __u8 btmp;
+ int i;
+
+ ClkTx(iobase, 0, 1);
+
+ Tdelay(2);
+ ActClk(iobase, 1);
+ Tdelay(1);
+
+ for (i = 0; i < 8; i++) { //LDN
+
+ if ((bData >> i) & 0x01) {
+ ClkTx(iobase, 0, 1); //bit data = 1;
+ } else {
+ ClkTx(iobase, 0, 0); //bit data = 1;
+ }
+ Tdelay(2);
+ Sdelay(1);
+ ActClk(iobase, 1); //clk hi
+ Tdelay(1);
+ }
+}
+
+static __u8 Rd_Indx(__u16 iobase, __u8 addr, __u8 index)
+{
+ __u8 data = 0, bTmp, data_bit;
+ int i;
+
+ bTmp = addr | (index << 1) | 0;
+ ClkTx(iobase, 0, 0);
+ Tdelay(2);
+ ActClk(iobase, 1);
+ udelay(1);
+ Wr_Byte(iobase, bTmp);
+ Sdelay(1);
+ ClkTx(iobase, 0, 0);
+ Tdelay(2);
+ for (i = 0; i < 10; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ Tdelay(1);
+ ClkTx(iobase, 0, 1);
+ Tdelay(1);
+ bTmp = ReadReg(iobase, 0x34);
+ if (!(bTmp & Rd_Valid))
+ break;
+ }
+ if (!(bTmp & Rd_Valid)) {
+ for (i = 0; i < 8; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ bTmp = ReadReg(iobase, 0x34);
+ data_bit = 1 << i;
+ if (bTmp & RxBit)
+ data |= data_bit;
+ else
+ data &= ~data_bit;
+ Tdelay(2);
+ }
+ } else {
+ for (i = 0; i < 2; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ Tdelay(2);
+ }
+ bTmp = ReadReg(iobase, 0x34);
+ }
+ for (i = 0; i < 1; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ Tdelay(2);
+ }
+ ClkTx(iobase, 0, 0);
+ Tdelay(1);
+ for (i = 0; i < 3; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ Tdelay(2);
+ }
+ return data;
+}
+
+static void Wr_Indx(__u16 iobase, __u8 addr, __u8 index, __u8 data)
+{
+ int i;
+ __u8 bTmp;
+
+ ClkTx(iobase, 0, 0);
+ udelay(2);
+ ActClk(iobase, 1);
+ udelay(1);
+ bTmp = addr | (index << 1) | 1;
+ Wr_Byte(iobase, bTmp);
+ Wr_Byte(iobase, data);
+ for (i = 0; i < 2; i++) {
+ ClkTx(iobase, 0, 0);
+ Tdelay(2);
+ ActClk(iobase, 1);
+ Tdelay(1);
+ }
+ ActClk(iobase, 0);
+}
+
+static void ResetDongle(__u16 iobase)
+{
+ int i;
+ ClkTx(iobase, 0, 0);
+ Tdelay(1);
+ for (i = 0; i < 30; i++) {
+ ActClk(iobase, 1);
+ Tdelay(1);
+ ActClk(iobase, 0);
+ Tdelay(1);
+ }
+ ActClk(iobase, 0);
+}
+
+static void SetSITmode(__u16 iobase)
+{
+
+ __u8 bTmp;
+
+ bTmp = ReadLPCReg(0x28);
+ WriteLPCReg(0x28, bTmp | 0x10); //select ITMOFF
+ bTmp = ReadReg(iobase, 0x35);
+ WriteReg(iobase, 0x35, bTmp | 0x40); // Driver ITMOFF
+ WriteReg(iobase, 0x28, bTmp | 0x80); // enable All interrupt
+}
+
+static void SI_SetMode(__u16 iobase, int mode)
+{
+ //__u32 dTmp;
+ __u8 bTmp;
+
+ WriteLPCReg(0x28, 0x70); // S/W Reset
+ SetSITmode(iobase);
+ ResetDongle(iobase);
+ udelay(10);
+ Wr_Indx(iobase, 0x40, 0x0, 0x17); //RX ,APEN enable,Normal power
+ Wr_Indx(iobase, 0x40, 0x1, mode); //Set Mode
+ Wr_Indx(iobase, 0x40, 0x2, 0xff); //Set power to FIR VFIR > 1m
+ bTmp = Rd_Indx(iobase, 0x40, 1);
+}
+
+static void InitCard(__u16 iobase)
+{
+ ResetChip(iobase, 5);
+ WriteReg(iobase, I_ST_CT_0, 0x00); // open CHIP on
+ SetSIRBOF(iobase, 0xc0); // hardware default value
+ SetSIREOF(iobase, 0xc1);
+}
+
+static void CommonInit(__u16 iobase)
+{
+// EnTXCRC(iobase,0);
+ SwapDMA(iobase, OFF);
+ SetMaxRxPacketSize(iobase, 0x0fff); //set to max:4095
+ EnRXFIFOReadyInt(iobase, OFF);
+ EnRXFIFOHalfLevelInt(iobase, OFF);
+ EnTXFIFOHalfLevelInt(iobase, OFF);
+ EnTXFIFOUnderrunEOMInt(iobase, ON);
+// EnTXFIFOReadyInt(iobase,ON);
+ InvertTX(iobase, OFF);
+ InvertRX(iobase, OFF);
+// WriteLPCReg(0xF0,0); //(if VT1211 then do this)
+ if (IsSIROn(iobase)) {
+ SIRFilter(iobase, ON);
+ SIRRecvAny(iobase, ON);
+ } else {
+ SIRFilter(iobase, OFF);
+ SIRRecvAny(iobase, OFF);
+ }
+ EnRXSpecInt(iobase, ON);
+ WriteReg(iobase, I_ST_CT_0, 0x80);
+ EnableDMA(iobase, ON);
+}
+
+static void SetBaudRate(__u16 iobase, __u32 rate)
+{
+ __u8 value = 11, temp;
+
+ if (IsSIROn(iobase)) {
+ switch (rate) {
+ case (__u32) (2400L):
+ value = 47;
+ break;
+ case (__u32) (9600L):
+ value = 11;
+ break;
+ case (__u32) (19200L):
+ value = 5;
+ break;
+ case (__u32) (38400L):
+ value = 2;
+ break;
+ case (__u32) (57600L):
+ value = 1;
+ break;
+ case (__u32) (115200L):
+ value = 0;
+ break;
+ default:
+ break;
+ }
+ } else if (IsMIROn(iobase)) {
+ value = 0; // will automatically be fixed in 1.152M
+ } else if (IsFIROn(iobase)) {
+ value = 0; // will automatically be fixed in 4M
+ }
+ temp = (ReadReg(iobase, I_CF_H_1) & 0x03);
+ temp |= value << 2;
+ WriteReg(iobase, I_CF_H_1, temp);
+}
+
+static void SetPulseWidth(__u16 iobase, __u8 width)
+{
+ __u8 temp, temp1, temp2;
+
+ temp = (ReadReg(iobase, I_CF_L_1) & 0x1f);
+ temp1 = (ReadReg(iobase, I_CF_H_1) & 0xfc);
+ temp2 = (width & 0x07) << 5;
+ temp |= temp2;
+ temp2 = (width & 0x18) >> 3;
+ temp1 |= temp2;
+ WriteReg(iobase, I_CF_L_1, temp);
+ WriteReg(iobase, I_CF_H_1, temp1);
+}
+
+static void SetSendPreambleCount(__u16 iobase, __u8 count)
+{
+ __u8 temp;
+
+ temp = ReadReg(iobase, I_CF_L_1) & 0xe0;
+ temp |= count;
+ WriteReg(iobase, I_CF_L_1, temp);
+
+}
+
+static void SetVFIR(__u16 BaseAddr, __u8 val)
+{
+ __u8 tmp;
+
+ tmp = ReadReg(BaseAddr, I_CF_L_0);
+ WriteReg(BaseAddr, I_CF_L_0, tmp & 0x8f);
+ WriteRegBit(BaseAddr, I_CF_H_0, 5, val);
+}
+
+static void SetFIR(__u16 BaseAddr, __u8 val)
+{
+ __u8 tmp;
+
+ WriteRegBit(BaseAddr, I_CF_H_0, 5, 0);
+ tmp = ReadReg(BaseAddr, I_CF_L_0);
+ WriteReg(BaseAddr, I_CF_L_0, tmp & 0x8f);
+ WriteRegBit(BaseAddr, I_CF_L_0, 6, val);
+}
+
+static void SetMIR(__u16 BaseAddr, __u8 val)
+{
+ __u8 tmp;
+
+ WriteRegBit(BaseAddr, I_CF_H_0, 5, 0);
+ tmp = ReadReg(BaseAddr, I_CF_L_0);
+ WriteReg(BaseAddr, I_CF_L_0, tmp & 0x8f);
+ WriteRegBit(BaseAddr, I_CF_L_0, 5, val);
+}
+
+static void SetSIR(__u16 BaseAddr, __u8 val)
+{
+ __u8 tmp;
+
+ WriteRegBit(BaseAddr, I_CF_H_0, 5, 0);
+ tmp = ReadReg(BaseAddr, I_CF_L_0);
+ WriteReg(BaseAddr, I_CF_L_0, tmp & 0x8f);
+ WriteRegBit(BaseAddr, I_CF_L_0, 4, val);
+}
+
+#endif /* via_IRCC_H */
Code Review / kvmfornfv.git / blobdiff