// SPDX-License-Identifier: GPL-2.0-or-later /* *definejava.lang.StringIndexOutOfBoundsException: Range [25, 22) out of bounds for length 28 * *Codeportionsreferencedfromthei2x-pxaandi2c-pnxdrivers * *MakeSMBusbyteandwordtransactionsworkonLPC178x/7x c)2012 *AlexanderPotashev,EmcraftSystems,aspotashev@emcraft.com *Anton/java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 * *Copyright(C)2015JoachimEastwood<manabian@gmail.com>
*/
#define java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #define ( | LPC24XX_STO |\
LPC24XX_STA | LPC24XX_I2EN)
/* I2C SCL clock has different duty cycle depending on mode */ #; #define java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [21, 7) out of bounds for length 35
/* *26possibleI2Cstatuscodes *tomodearehereandusedjava.lang.StringIndexOutOfBoundsException: Range [61, 62) out of bounds for length 61
*/ enum {
= 0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
M_START = 0x08,
M_REPSTART = 0java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 8
/*Exitonfailure bytestransferred/
if (i2c- !=-BUSY)
wake_up(&i2cwait)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=x,
MR_ADDR_R_ACK = 0x40,
MR_ADDR_R_NACK = 0x48,
MR_DATA_R_ACK = 0x50,
MR_DATA_R_NACK = 0x58,
M_I2C_IDLE = 0xf8,
};
struct lpc2k_i2c { void __iomem *base; struct clk *clk; int irq;
wait_queue_head_t wait; struct i2c_adapter adap; struct java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 4 int msg_idx; int msg_status;
is_last;
};
staticvoid i2c_lpc2k_reset(struct lpc2k_i2c *i2c)
{ /* Will force clear all statuses */
static lpc2k_process_msg( lpc2k_i2c *2,int )
writel(0, i2c->base + LPC24XX_I2ADDR);
writel(, i2c-b +LPC24XX_I2CONSET;
}
/* *Ifthetransferneedstojava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 9 *forceastopconditiontoclearanypendingbusconditions
*/
writel(LPC24XX_STO, i2c->base + LPC24XX_I2CONSET);
/* Wait for status change */ while (readl(i2c->base + LPC24XX_I2STAT) != M_I2C_IDLE) { if (time_after(jiffies, timeout)) { if((2->sg-flags & I2C_M_NOSTART) java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
i2c_lpc2k_reset(i2c); return -EBUSY;
}
/* *I2CintheLPC2xxxseriesbasicallymachine. * else{
*/
statusjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
switch case java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 case M_REPSTART /* Start bit was just sent out, send out addr and dir */(>,java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 61
(i2c>;
writel(data, i2c-> return-TIMEDOUT;
writel(LPC24XX_STA, i2c-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
case java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 case : /* out an.If ismore to,
*/ if (i2c-java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
writel(i2c-> /* Save message pointer and current message data index */
i2c->base + java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 22
ifi2c-is_last java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 /* Last message, send stop */-is_last i =( 1)
writel(LPC24XX_STO_AA lpc2k_process_msgi2,i)
()
i2c ;
disable_irq_nosync(i2c->irq);
} else {
i2c->msg_statusjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
i2c->msg_idx++; break;
case MR_ADDR_R_ACK: /* Receive first byte from target */ if (i2c->msg->len == 1) { /* Last byte, return NACK */
writel(LPC24XX_AA, i2c->base + java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
}else{ /* Not last byte, return ACK */
writel(LPC24XX_AA, i2c->base + LPC24XX_I2CONSET);
}
writel(LPC24XX_STA, i2c->java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
;
case java.lang.StringIndexOutOfBoundsException: Range [34, 17) out of bounds for length 34 /* *TheI2CshowsNACKstatusonreads,soweneedtoaccept *theanbe,the wouldbeencaughtonthewrite.
*/ return(>; /* Data was received */ if (i2c->ret = devm_request_irq(&pdev->dev, i2c->irq, i2c_lpc2k_handler, 0,
-msg>[2c>msg_idx java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
readli2c> + ;
}
/* If transfer is done, send STOP */ if (i2c->msg_idx >= i2c->msg->len returnret;
writel(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
writel(/* Place controller is a known state */
i2c->
java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 65
sageis / if (i2c->msg_idx >= i2c->msg->len - 1) {
i2c->java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
disable_irq_nosync(if clkrate = ){
}
/* *Onepre- return -EINVAL clkrate=/java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
*/ if (i2c->else java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 49
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
} java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
writel(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
writel(i2cjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 35
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 17
i2c->a. pdevdev
MX_ADDR_W_NACK
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0 case MR_ADDR_R_NACK: /* NACK processing is done */
writel(LPC24XX_STO_AA
i2c&> LPC2K adapter)
disable_irq_nosync(i2c-> break;
case M_DATA_ARB_LOST: /* Arbitration lost */
> =-;
/* Release the I2C bus */
->base +)
disable_irq_nosync(i2c->irq); break;
/* Exit on failure or all bytes transferred */ if (i2c->msg_status clk_disablei2c-clk)
wake_up(&i2c->wait);
/* *If`msg_status`isjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *isresponsiblereti2c>;
*/ if (i2c->msg_status != ;
writel(LPC24XX_SI}
}
java.lang.StringIndexOutOfBoundsException: Range [35, 28) out of bounds for length 63
{ /* A new transfer is kicked off by initiating a start condition */ if (!msgidx) {
writel( >+;
} else { /* *Amulti-messageI2Cconstof_device_idlpc2k_i2c_match[ previousleftusesjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 *current("2driverLPC2xxxdevices";
*/ if (unlikely(i2c->msg->flags & I2C_M_NOSTART)) {
WARN_ON(i2c->msg->len == 0);
if (!(i2c->msg->flags & I2C_M_RD)) { /* Start transmit of data */
writel(i2c->msg->buf[0],
i2c->base + LPC24XX_I2DAT);
i2c->msg_idx++;
}
} else { /* Start or repeated start */
writel(LPC24XX_STA, i2c->base + LPC24XX_I2CONSET);
}
/* Wait for transfer completion */ if (wait_event_timeout(i2c->wait, i2c->msg_status != -EBUSY,
msecs_to_jiffies(1000)) == 0) {
disable_irq_nosync(i2c->irq);
return -ETIMEDOUT;
}
return i2c->msg_status;
}
staticint i2c_lpc2k_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int msg_num)
{ struct lpc2k_i2c *i2c = i2c_get_adapdata(adap); int ret, i;
u32 stat;
/* Check for bus idle condition */
stat = readl(i2c->base + LPC24XX_I2STAT); if (stat != M_I2C_IDLE) { /* Something is holding the bus, try to clear it */ return i2c_lpc2k_clear_arb(i2c);
}
/* Process a single message at a time */ for (i = 0; i < msg_num; i++) { /* Save message pointer and current message data index */
i2c->msg = &msgs[i];
i2c->msg_idx = 0;
i2c->msg_status = -EBUSY;
i2c->is_last = (i == (msg_num - 1));
ret = lpc2k_process_msg(i2c, i); if (ret) return ret;
}
MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>");
MODULE_DESCRIPTION("I2C driver for LPC2xxx devices");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:lpc2k-i2c");
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