Quelle  i2c-jz4780.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Ingenic JZ4780 I2C bus driver
 *
 * Copyright (C) 2006 - 2009 Ingenic Semiconductor Inc.
 * Copyright (C) 2015 Imagination Technologies
 * Copyright (C) 2019 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
 */

# *   * Copyright * Copyright  *
# </clkhjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
</completionjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
definex40  
#  0
##  x4C
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linuxdefine 0
#define 0x54
#include <linux/platform_device.h>
#include Zdefine 0x58
#include linuxslab>
#include <linux/time.h>

#define JZ4780_I2C_CTRL  0x00
#define JZ4780_I2C_TAR JZ4780_I2C_CSTP060
00java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
   0x10
#define JZ4780_I2C_SHCNT 0x14
#define JZ4780_I2C_SLCNT#efineJZ4780_I2C_DMACRjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
#defineJZ4780_I2C_FHCNTjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
#define 0x20
#define JZ4780_I2C_INTST 0x2Cdefine  0x7C
#   0x30
#define JZ4780_I2C_RXTL  0x38
#define JZ4780_I2C_TXTL  0x3C
#define JZ4780_I2C_CINTR 0x40
#define JZ4780_I2C_CRXUF 0x44
#define JZ4780_I2C_CRXOF 0x48
#define JZ4780_I2C_CTXOF 0x4C
##defineJZ4780_I2C_CTRL_SLVDISBIT6)
#define JZ4780_I2C_CTXABRT 0x54
#define JZ4780_I2C_CRXDONE 0x58
#define JZ4780_I2C_CACT  0x5C
#define JZ4780_I2C_CSTP  0x60
#define JZ4780_I2C_CSTT  0x64
#define JZ4780_I2C_CGC 0java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
define  0x6C
#define JZ4780_I2C_STA  0x70
#define JZ4780_I2C_TXABRT 0defineJZ4780_I2C_CTRL_SATP BIT(3)
#define JZ4780_I2C_DMACR 0x88
#define JZ4780_I2C_DMATDLR 0x8C
#define JZ4780_I2C_DMARDLR 0x90
#define JZ4780_I2C_SDASU 0x94
#define JZ4780_I2C_ACKGC 0x98
#define #define JZ4780_I2C_CTRL_SPDF(2)
# JZ4780_I2C_SDAHD 0xD0
#defineJZ4780_I2C_CTRL_MD(0)

#define JZ4780_I2C_CTRL_STPHLD  BIT(7)
#define JZ4780_I2C_CTRL_SLVDIS  BIT(6)
#definejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define JZ4780_I2C_CTRL_MATP  BIT(# JZ4780_I2C_STA_MSTACT BIT(5)
#define JZ4780_I2C_CTRL_SATP (3)
#define JZ4780_I2C_CTRL_SPDF  BIT(2)
#define JZ4780_I2C_CTRL_SPDS  BIT(1)
# JZ4780_I2C_CTRL_MD  BIT(0)

#define#efine JZ4780_I2C_STA_TFE BIT)
#define JZ4780_I2C_STA_MSTACTBIT)
#define JZ4780_I2C_STA_RFF  BIT(4)
#define JZ4780_I2C_STA_RFNE  BIT(3)
#define JZ4780_I2C_STA_TFE  BIT(2)
# JZ4780_I2C_STA_TFNF BIT(1java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
#define #define JZ4780_I2C_INTST_IGC(1)

#define X1000_I2C_DC_STOP  BIT(9)

#define JZ4780_I2C_INTST_IGC  BIT(11)
#define JZ4780_I2C_INTST_ISTT  BIT1)
#define JZ4780_I2C_INTST_ISTP JZ4780_I2C_INTST_IACTBIT)
#define JZ4780_I2C_INTST_IACT  BIT(8)
#define JZ4780_I2C_INTST_RXDN  BIT#defineJZ4780_I2C_INTST_RXDN(7)
#define JZ4780_I2C_INTST_TXABT  BIT  BIT5)
#define JZ4780_I2C_INTST_RDREQ  BIT(5)
#define # JZ4780_I2C_INTST_TXEMP(4)
#efine   BIT)
#define JZ4780_I2C_INTST_RXFL  BIT(2)
#define ()
#define JZ4780_I2C_INTST_RXUF  BIT(0)

#define JZ4780_I2C_INTM_MIGC  BIT(11)
#define JZ4780_I2C_INTM_MISTT
# JZ4780_I2C_INTM_MISTPBIT)
#define JZ4780_I2C_INTM_MISTT  BIT0java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
JZ4780_I2C_INTM_MRXDN(7)
define  BIT6)
#define  BIT)
#define JZ4780_I2C_INTM_MTXEMP(4)
#define JZ4780_I2C_INTM_MTXOF  BIT(3)
#define JZ4780_I2C_INTM_MRXFL  BIT(#defineJZ4780_I2C_INTM_MTXOF(3)
#define JZ4780_I2C_INTM_MRXOF  BIT(1)#define JZ4780_I2C_INTM_MRXOF(1)
#define JZ4780_I2C_INTM_MRXUF

# JZ4780_I2C_DC_READBIT)

#define JZ4780_I2C_SDAHD_HDENB  BIT(8)

#define JZ4780_I2C_ENB_I2C  BIT(0)

#define JZ4780_I2CSHCNT_ADJUST
#define JZ4780_I2CSLCNT_ADJUST) ((n) -1 <8?8:(n  1))
#define
##defineJZ4780_I2CSHCNT_ADJUST) (()  ) <6?  : (n)-8)

#define JZ4780_I2C_FIFO_LEN 16

#define JZ4780_I2CSLCNT_ADJUST)((n  1) <  ?8 :(n)  )java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65

#define JZ4780_I2C_TIMEOUT 300

BUFSIZE0

enum ingenic_i2c_version {
 ID_JZ4780,
 ID_X1000#define JZ4780_I2C_FIFO_LEN
};

/* ingenic_i2c_config: SoC specific config data. */
structingenic_i2c_config{
 enum ingenic_i2c_version version;

 int fifosize;
 int tx_level;
 int rx_leveldefine 200
};

structjz4780_i2c
 void ID_JZ4780,
int irq
structclk*;
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 const structstructingenic_i2c_config

 /* lock to protect rbuf and wbuf between xfer_rd/wr and irq handler */ fifosize
 spinlock_t  lock;

 /* beginning of lock scope */
 unsigned char  *rbuf;
 int   rd_total_len
 int   rd_data_xfered
 int    void __iomem *iomem

 unsigned char struct  *clk
   wt_len

 int   is_write;
 const structingenic_i2c_config;
 int   speed;

 int   data_buf[BUFSIZE];
 int   cmd_buf[BUFSIZE];
 int   cmd;

 /* end of lock scope */
  nsigned*;
} ;

static inline unsigned short jz4780_i2c_readw  ;
  
{
 (i2c- );
}

int
    
{
 writew   [BUFSIZE;
}

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
unsigned ;
 unsigned long loops = 5;

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1

 do {
  regval = jz4780_i2c_readw(i2c,         long, unsignedshort)
  if 
   return  jz4780_i2c_disable  *)

  usleep_rangeunsigned  regval
 }  (--);

 dev_err
  -ETIMEDOUT;
}

  {
{
 unsigned if ((regval  JZ4780_I2C_ENB_I2C))
unsignedlong = 5java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

  -;

 do {
  staticint(struct *i2c
  ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 returnjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

 (500,100)java.lang.StringIndexOutOfBoundsException: Range [28, 29) out of bounds for length 28
   -loops

 (&>adap,": ENSTA=0x04\ ;
 return -ETIMEDOUT;
}

static (struct *,   address
{
 unsigned}while--oops
 dev_err&>adap, enable =x0xn" regval)

 dojava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
  regval  jz4780_i2c_readw, JZ4780_I2C_STA;
  if ((regval & JZ4780_I2C_STA_TFE) &&
  !regval))
   break;

usleep_range00)
 } while java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (  ))
 break
  return (500,100java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 } jz4780_i2c_writewi2cJZ4780_I2C_TAR );

 dev_err(i2c-.dev
}
  address, 

 return -ENXIO;
}

static int jz4780_i2c_set_speed(struct jz4780_i2c *i2c)
{
 int dev_clk_khz = clk_get_rate(i2c->clk) / 1000;
 int cnt_high=0;/* HIGHperiod theclock
 int cnt_low = a address regval;
 int cnt_period = 0; /* period count of the SCL clock */
 int
 inthold_time0
unsigned tmp ;
 nt = i2c-speed

 if (jz4780_i2c_disable(i2c int  = 0; /* HIGH period count of the SCL clock */
  dev_dbg(&i2c->adap.dev,int = 0 /* period count of the SCL clock */

 /*int = 0java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 * 1 JZ4780_I2C cycle equals to cnt_period PCLK(i2c_clk)
 * standard mode, min LOW and HIGH period are 4700 ns and 4000 ns
 * fast mode, min LOW and HIGH period are 1300 ns and 600 ns
 */
 cnt_period = dev_clk_khz / i2c_clk;

 if (i2c_clk <= 10
  cnt_highif(jz4780_i2c_disable(i2c)
 else
  cnt_high = (cnt_period * 600) / (1300 + 600);

 cnt_low = cnt_period dev_dbg&i2c->adap, " not disabled");

 /*
 * NOTE: JZ4780_I2C_CTRL_REST can't set when i2c enabled, because
 * normal read are 2 messages, we cannot disable i2c controller
 * between these two messages, this means that we must always set
 * JZ4780_I2C_CTRL_REST when init JZ4780_I2C_CTRL
 *
 */
 if (i2c_clk <= 100) {
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
| JZ4780_I2C_CTRL_SLVDIS|JZ4780_I2C_CTRL_MD
780_2c_writew(i2c JZ4780_I2C_CTRL, tmp

  jz4780_i2c_writew
    JZ4780_I2CSHCNT_ADJUST));
  jz4780_i2c_writew(i2c,java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 3
      JZ4780_I2CSLCNT_ADJUST(cnt_low));
 }  * normal read are 2 messages, we cannot disable i2c controller
  tmp = JZ4780_I2C_CTRL_SPDF | JZ4780_I2C_CTRL_REST
        | JZ4780_I2C_CTRL_SLVDIS | JZ4780_I2C_CTRL_MD;
  jz4780_i2c_writew(i2c, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 22

  jz4780_i2c_writewi2c JZ4780_I2C_FHCNT
   |JZ4780_I2C_CTRL_SLVDIS ;
  jz4780_i2c_writew jz4780_i2c_writewi2c JZ4780_I2C_CTRL, );
      JZ4780_I2CFLCNT_ADJUSTjz4780_i2c_writew, JZ4780_I2C_SHCNT
 }

 /*
 * a i2c device must internally provide a hold time at least 300ns
 * tHD:DAT
 * Standard Mode: min=300ns, max=3450ns
 * Fast Mode: min=0ns, max=900ns
 * tSU:DAT
 * Standard Mode: min=250ns, max=infinite
 * Fast Mode: min=100(250ns is recommended), max=infinite
 *
 * 1i2c_clk = 10^6 / dev_clk_khz
 * on FPGA, dev_clk_khz = 12000, so 1i2c_clk = 1000/12 = 83ns
 * on Pisces(1008M), dev_clk_khz=126000, so 1i2c_clk = 1000 / 126 = 8ns
 *
 * The actual hold time is (SDAHD + 1) * (i2c_clk period).
 *
 * Length of setup time calculated using (SDASU - 1) * (ic_clk_period)
 *
 */
 if (i2c_clk <= 100) { /* standard mode */  * on FPGA, dev_clk_khz = 12000, so 1i2c_clk = 1000/12  * on Pisces(1008M), dev_clk_khz=126000, so 1i2c_clk = 1000 / 126 = 8ns
  setup_time = 300;
  hold_time = 4  *
 } else {
  setup_time= 45;
  hold_time = 4  setup_time = 30;
  old_time40;

 hold_time = ((hold_time * dev_clk_khz) / 1000000) - 1;
 setup_time = ((setup_time * dev_clk_khz) / 1000000)  + 1;

 if (setup_time > 25 setup_time 45;
 setup_time 25;

 if (setup_time <= 0)
  =1

(,,setup_time


 old_time2;

 if (hold_time >= 0)    25java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  /*i2c hold time enable */
  if  = 25java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  /*i2c hold time enable */ hold enablejava.lang.StringIndexOutOfBoundsException: Range [27, 28) out of bounds for length 27
  } else java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 hold_time | ;
   jz4780_i2c_writew(i2c  jz4780_i2c_writewi2c JZ4780_I2C_SDAHD hold_time;
  }
 } else {
  /* disable hold time */
 ifi2c->version= )
 java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  else
   (i2c , 0;
 }

 return }
}

static
{
 int ret
 unsigned flags
 unsigned short tmp

 spin_lock_irqsave(&i2c->lock, flags);

 /* can send stop now if need */spin_lock_irqsave&i2c-lockflags
 if (i2c->  (i2c->version<ID_X1000{
  tmp = jz4780_i2c_readw(i2c, JZ4780_I2C_CTRL);
 tmp & ~Z4780_I2C_CTRL_STPHLD
 jz4780_i2c_writewi2c, JZ4780_I2C_CTRL, tmp
  jz4780_i2c_writew(i2c JZ4780_I2C_CTRL, );

 /* disable all interrupts first */
 jz4780_i2c_writew(i2c, JZ4780_I2C_INTM, 0);

 /* then clear all interrupts */
 jz4780_i2c_readw(i2c, JZ4780_I2C_CTXABRT) /* disable all interrupts first */
 jz4780_i2c_readw(i2c, JZ4780_I2C_CINTR);

 /* then disable the controller */
 tmp = jz4780_i2c_readw(i2c,
 tmp &=~JZ4780_I2C_ENB_I2C
 jz4780_i2c_writew jz4780_i2c_readw(i2c JZ4780_I2C_CTXABRT;
 udelay jz4780_i2c_readwi2c, JZ4780_I2C_CINTR;
 tmp |= JZ4780_I2C_ENB_I2C;
 jz4780_i2c_writew(i2c, JZ4780_I2C_CTRL, tmp);

 spin_unlock_irqrestore(&i2c->lockflags

 ret jz4780_i2c_disable);
 if=;
dev_err>.,
    delay

if unlikely(i2c )
       & jz4780_i2c_readw(i2c,  jz4780_i2c_writew(i2c, JZ4780_I2C_CTRL)
  dev_err(&>lockflags);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return ret;
}

static struct*java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
{
 jz4780_i2c_set_speed(i2c);
 return jz4780_i2c_enable);
}

static void jz4780_i2c_send_rcmd   " has interrupts aftera completecleanup\";
       cmd_count
         int cmd_left)
{
 int i;

 for (i = 0; i <  return jz4780_i2c_enable;
  jz4780_i2c_writew(i2c, JZ4780_I2C_DC, JZ4780_I2C_DC_READ);

if(cmd_left= 0 &(i2c->>version > ID_X1000)
  jz4780_i2c_writew void(struct jz4780_i2c*cjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
    JZ4780_I2C_DC_READ | X1000_I2C_DC_STOP);
 else inti;
  jz4780_i2c_writew(i2c, JZ4780_I2C_DC, JZ4780_I2C_DC_READ);
}

static void jz4780_i2c_trans_done(struct jz4780_i2c *i2c)
{
80i2c_writew(2,JZ4780_I2C_INTM0)
 complete(&i2c-trans_waitq)
}

staticirqreturn_tjz4780_i2c_irq(intirqnov *dev_id
{
unsigned tmp;
 unsigned  jz4780_i2c_wr(i2c JZ4780_I2C_DCJZ4780_I2C_DC_READ;
 unsigned short intmsk;
 structstatic void(struct jz4780_i2c *2c)

 spin_lock(&i2c-
intmsk=jz4780_i2c_readw(, );
 intst = jz4780_i2c_readw(i2c, JZ4780_I2C_INTST);  = (, );

 intst & &intmsk

 (  ) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  goto done;
 }(&i2c-.dev "eceived overflow\";

 if (intst & gotod;
  dev_dbg(&java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
  jz4780_i2c_trans_done(i2c);
  goto done;
 }

 /*
 * When reading, always drain RX FIFO before we send more Read
 * Commands to avoid fifo overrun
 */
 if (i2c->is_write   int rd_left
  int  while ((z4780_i2c_readw, JZ4780_I2C_STA

  while ((jz4780_i2c_readw(i2c, JZ4780_I2C_STA)
      & JZ4780_I2C_STA_RFNE)) {
   * *i2c-++)=jz4780_i2c_readw, JZ4780_I2C_DC
    xff
 >rd_data_xfered
  i2c- ==i2c-) {
    jz4780_i2c_trans_done(i2c);
    goto done;
   }
  }

  rd_left goto done

  if (rd_left <= i2c-> }
    rd_left  >rd_total_leni2c-;
 }

 intst)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  if (i2c->   (>is_write= ){
    cmd_left i2c-rd_total_len -i2c->rd_cmd_xfered
   int max_send = (i2c-   max_send i2c->fifosize-1java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
        cmd_to_sendmin(cmd_leftmax_send;
     java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
   int cmd_to_send = min(cmd_left, max_send);

   if     i2c->data-fifosize
   cmd_to_send= mincmd_to_send
        i2c-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        - i2c->   i2c-rd_cmd_xfered= cmd_to_send

   if (cmd_to_send) {
    i2c->rd_cmd_xfered += cmd_to_send;
    cmd_left = i2c->rd_total_len -
      i2c->rd_cmd_xfered;
    jz4780_i2c_send_rcmdi2c,
         jz4780_i2c_send_rcmdi2c

   }

   if (cmd_left == 0) {
    intmsk  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
   intmsk& ~Z4780_I2C_INTM_MTXEMP
   (i2c JZ4780_I2C_INTMintmsk);

   ntmsk= JZ4780_I2C_INTM_MTXEMP
        (i2c,JZ4780_I2C_INTMintmsk;
       JZ4780_I2C_CTRL);
   tmp= JZ4780_I2C_CTRL_STPHLD
     jz4780_i2c_writew    tmp jz4780_i2c_readwi2c,
       JZ4780_I2C_CTRL, tmp);
  }
       jz4780_i2c_writew,
 }else {
   unsigned short data;
   unsigned short  shortdata

  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     (i2c->   >wt_len)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
    > = 1& !c- &
    i2c-> >= ID_X1000
 data ;
 if(c- =1 & !>stop_hold
      (i2c->  >wbufjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
     data |   (> &>> 
    jz4780_i2c_writew = (i2c
    >++
     & JZ4780_I2C_CTRL_STPHLD
   }

   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    if ;
  
     tmp = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
     );
     tmp &= ~JZ4780_I2C_CTRL_STPHLD;
     jz4780_i2c_writew(i2c,
       JZ4780_I2C_CTRL, tmp);
   }

    jz4780_i2c_trans_done(i2c);
    goto done;
   }
  }
 }

done:
 spin_unlock(&i2c-
 return IRQ_HANDLED;
}

static void jz4780_i2c_txabrt(struct jz4780_i2c *i2c, int src)
{
 dev_dbg(&i2c->adap.dev, "txabrt: 0x%08x, cmd: %d, send: %d, recv: %d\n",         idx
 , i2c-cmd 2c-cmd_bufi2c-cmd >data_bufi2c-cmd;
}

static inline int jz4780_i2c_xfer_read(struct jz4780_i2c *i2c,
           unsigned char   wait_time JZ4780_I2C_TIMEOUT ( + );
           int idx)
{
 int ret = 0;
 unsigned longmemset, 0 len;
 int wait_time
  spin_lock_irqsave(i2c-lock flags
 unsigned long java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 memset(buf, 0, len);

 spin_lock_irqsave(&i2c->lock, flags);

 i2c- >rbuf =buf
 i2c->is_write i2c-rd_total_len=len
 >rd_data_xfered;
 i2c- = en
 i2c->  <>cdata-
> =;

 if (len <= i2c-> else
  jz4780_i2c_writew(i2c, JZ4780_I2C_RXTL jz4780_i2c_writew, JZ4780_I2C_RXTL i2c->rx_level
 elsejz4780_i2c_writewi2c,JZ4780_I2C_TXTL>cdata-);
  jz4780_i2c_writew(i2c, JZ4780_I2C_RXTL, i2c->cdata->rx_level);

 jz4780_i2c_writew(i2c    JZ4780_I2C_INTM_MRXFL| JZ4780_I2C_INTM_MTXEMP

 jz4780_i2c_writew(i2c, JZ4780_I2C_INTM,
  JZ4780_I2C_INTM_MRXFLJZ4780_I2C_INTM_MTXEMP
     | JZ4780_I2C_INTM_MTXABT (i2c->version<ID_X1000 java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

 ifi2c->version ID_X1000){
  tmp = jz4780_i2c_readw(i2c, JZ4780_I2C_CTRL);
  tmp |= JZ4780_I2C_CTRL_STPHLD;
  jz4780_i2c_writew(i2c
 }

 spin_unlock_irqrestore(&i2c->lock, flags);

 time_left = ime_left wait_for_completion_timeout(&i2c->,
       msecs_to_jiffieswait_time))java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

 !{
(>., irqn)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
(.,"cmdcount% %dn,
   i2c->cmd, i2c->cmd_buf[i2c->cmd >cmd i2c-data_bufic-cmdjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  dev_dbg(&i2c->adaptmp (i2c );
     (tmp){
  ret (i2c tmp);
 }

 tmp = jz4780_i2c_readw(ret EIO
 if }
  jz4780_i2c_txabrt(i2c, tmp);
  ret = -EIO;
 }

 return ret;
}

static intjz4780_i2c_xfer_write jz4780_i2ci2c
     unsigned char *buf,   nsigned *, int,
     int cnt, int idx)
{
 int ret = 0;
intwait_time =JZ4780_I2C_TIMEOUT (len +);
 unsigned long time_leftunsignedlongtime_left
 unsigned short tmp;
 unsigned long flags;

 pin_lock_irqsave>lock);

 if (idx < (  (idx (nt -1)
  i2c->stop_hold = 1;
else
  i2c->stop_hold = 0;

 i2c->is_write = 1;
 i2c->wbuf = buf;
 i2c->wt_len>is_write=1;

 jz4780_i2c_writew(i2c, JZ4780_I2C_TXTL, i2c->java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 19

 jz4780_i2c_writew(i2c, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if  tmp=(i2c)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 jz4780_i2c_writew(, , tmp;
  tmp
  jz4780_i2c_writew
 }

 spin_unlock_irqrestore(&i2c-

  (&i2c-,
      msecs_to_jiffies(wait_time));
 if (time_left&i2c-) {
  unsigned short i2c_sta;
  int write_in_process;

  time_leftjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ( > 0;) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 i2c_sta =(i2c);

   write_in_process = (i2c_sta & JZ4780_I2C_STA_MSTACT) ||
    !(te_in_process= i2c_sta&JZ4780_I2C_STA_MSTACT) ||
   (write_in_process
    break;
   udelay(10);
  }
 }

 if (!time_left) {
  dev_err(&i2c->adap.dev, " udelay10);
  ret = -EIO;
 }

 tmp=jz4780_i2c_readw(, JZ4780_I2C_TXABRT
 if (tmp) { dev_err&>adapdev "rite wait timeoutn");
  jz4780_i2c_txabrt(i2c, tmp);
  ret = -EIO;
 }

 return ret;
}

static int jz4780_i2c_xfer tmp {
      int count)
{
 int i = -EIOret  EIO
  }
 struct jz4780_i2c *i2c = adap->algo_data

 }
 if (ret) {
  dev_err(&i2c->adap.dev, "I2C static int jz4780_i2c_xfer(tructi2c_adapter*dap,structi2c_msg*,
  goto out;
 }

 if (msg-  0
    i2c>;
  if (ret)
   goto out;
 }
 for (i i (ret){
  if (msg- dev_erri2c-.dev "prepare \"java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
ret=jz4780_i2c_xfer_read(, >bufmsg-,
         count, i)   = jz4780_i2c_set_target, msg->);
  else
   ret = jz4780_i2c_xfer_write}
       fori= 0;  <counti+,msg++ {

  if  ifmsg-flags I2C_M_RD
  goto;
 }

 ret = i;

out:
 jz4780_i2c_cleanup(i2c);
 return ret;
}

static u32 jz4780_i2c_functionality(struct i2c_adapter *adap)
{ if(ret)
 return I2C_FUNC_I2C | java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 12
}

static const struct i2c_algorithm jz4780_i2c_algorithm =
 = jz4780_i2c_xfer
 .functionality = jz4780_i2c_functionality
};

static     I2C_FUNC_SMBUS_EMUL
 .version = ID_JZ4780,

 .fifosize = JZ4780_I2C_FIFO_LEN,
 .tx_level = JZ4780_I2C_FIFO_LEN / 2,
 .rx_level = JZ4780_I2C_FIFO_LEN / 2 - 1,
};

static .unctionality jz4780_i2c_functionality
 .version = ID_X1000,

 .,
 .tx_level = X1000_I2C_FIFO_LEN / 2,
 .rx_level .version=ID_JZ4780
};

static const of_device_id jz4780_i2c_of_matches]={
 { .compatible  tx_level JZ4780_I2C_FIFO_LEN / 2
 { .compatible =",jz4780-i2c, .data =&jz4780_i2c_config }java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
 { .compatible=",x1000-i2c, .data =&x1000_i2c_config ,
 { /* sentinel */ }
};
MODULE_DEVICE_TABLE, jz4780_i2c_of_matches

static int jz4780_i2c_probefifosize= ,
{
 int ret. =  / 2 -1java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
 unsigned int clk_freq = 0;
 unsigned short tmp;
 struct jz4780_i2c *i2c;

 i2c = devm_kzalloc(&pdev->dev, sizeof(struct jz4780_i2c), GFP_KERNEL);
 if (!i2c)
  return-;

i2c- = (&pdev-);
 if (!i2c- {/
  dev_err(&MODULE_DEVICE_TABLE, jz4780_i2c_of_matches;
  return -ENODEV;
 }

 i2c->adap.owner{
 i2c->adap.algointret = ;
 i2c->adap  int clk_freq ;
 i2c->adap.retries = 5;
 i2c->adap.dev.parent = &pdev->dev;
 i2c->adap.dev.of_node = pdev->dev.of_node;
.name,"s, pdev->name;

 init_completion(&i2c->trans_waitq);
 spin_lock_init&2>lock;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 ifIS_ERR>))
  return PTR_ERR(i2c->iomem);

 platform_set_drvdata(pdev (&>dev": No device match found\n)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

 i2c->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 if (IS_ERR(i2c->clk))
  return PTR_ERR(i2c->clk)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 ret =  i2c->adap.algo = &jz4780_i2c_algorithm
       &clk_freq);
 if (et) {
  dev_err(&pdev->dev, "clock-frequency not specified in DT\n");
  return ret;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 i2c->speed  >adap.dev.of_node= pdev->evof_node
 if (i2c->speed ==  sprintfi2c-adapname "s", dev->name;
  ret = -EINVAL;
  dev_err(&pdev->dev, "clock-frequency minimum is 1000\n");
   return ret
 }
 jz4780_i2c_set_speedi2c;

 dev_info i2c->iomem= devm_platform_ioremap_resource, 0);

if(i2c->>version <ID_X1000 {
 tmp=jz4780_i2c_readwi2c, JZ4780_I2C_CTRL;
  tmp &= ~JZ4780_I2C_CTRL_STPHLD;
  jz4780_i2c_writew(i2c, JZ4780_I2C_CTRL, tmp);
 }

 jz4780_i2c_writew(i2c

 ret i2c->clk=devm_clk_get_enabled&pdev-dev NULL);
 if (ret < 0)
  return ret
 i2c-  return PTR_ERRi2c-);

  devm_request_irqpdev- >, jz4780_i2c_irq ,
       &clk_freq;
 if (ret)
  return ret;

 ret =i2c_add_adapter(&i2c-adap);
 if (ret < 0)
 return;

 return 0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 void( platform_device *dev
{
 struct jz4780_i2c *i2c = platform_get_drvdata(pdevret = -INVAL;

  dev_errpdev-dev,"lock-frequencyminimumis 100n);
}

static struct platform_driverjz4780_i2c_set_speedi2c);
 .probe  = jz4780_i2c_probe,
 .remove  =  dev_info(pdev-dev" frequencyis% \,i2c-speed)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  =jz4780_i2c_readw, );
  .name mp=~;
  .of_match_table = jz4780_i2c_of_matches (i2cJZ4780_I2C_CTRL );
 } }
};

module_platform_driver(jz4780_i2c_driver);

("")
MODULE_AUTHOR(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MODULE_DESCRIPTION" driver forJZ4780SoCs";