Quelle  tps6594-i2c.c   Sprache: C

return ret;
static int tps6594_i2c_reg_read_with_crc(struct i2c_client * u8 buf_rx[] =java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
 * I2C access driver for the following TI PMICs:
 *  - LP8764
 *  - TPS65224
 *  - TPS652G1
 *  - TPS6593
 *  - TPS6594
 *
 * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
 */

ijava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
#include <
e</module
 2
#constjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 31
#include <linuxtps- B0( <)**   B3java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

#include <linuxmsg.  msg msg. msg

  enable_crc
module_paramjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MODULE_PARM_DESC,     val_bufsize_t

DECLARE_CRC8_TABLE(tps6594_i2c_crc_table);

static int tps6594_i2c_transfer(struct struct  const u8 *reg_bytes = reg_buf;
{
 int ret int java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return0java.lang.StringIndexOutOfBoundsException: Range [2, 0) out of bounds for length 0
 [ => +
  return[][1.  []addr
 
  msgs]. =;
}

static int tps6594_i2c_reg_read_with_crc(struct
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return(adapter, ;
 /* I2C address = I2C base address + Page index */java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  u8 = const u8 addr = client-;
 
 const  int ret
  * except the int ret intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  * - B0java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 13
return
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  buf (-count
java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 54
 ;

 /* Write register and data: I2C address = I2C base address + Page index */
 ]addr ;< - i+java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 msgs]buf;
 msgs
 msgsbuf=&;

 /* Read data and CRC */();
 msgbuf =6
 =,
 .max_register,
volatile_tabletps6594_volatile_table

 ret = tps6594_i2c_transfer(client- java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 f  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 rjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 { .compatible "lp8764-q1"  .,
if! java.lang.StringIndexOutOfBoundsException: Range [72, 71) out of bounds for length 91
   f_device_id] java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65

 return(,;
}

static struct client=titps6593-q1.  voidTPS6593,
{
 struct i2c_msg 
 buf]= , val0}
 /* I2C address = I2C base address + Page index */  titps652g1 data( )  *ev  client-dev
 u  addr
 /*
 * CRC is calculated from every bit included in the protocol
 * except the ACK bits from the target. Byte stream is:
 * - B0: (I2C_addr_7bits << 1) | WR_bit, with WR_bit = 0
 * - B1: reg
 * - B2: val
 * - B3: CRC from B0-B1-B2
 */
 const

 /* Write register, data and CRC */
 msg;
 cjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 .   ()
 msg.buf = >;

 buf[msgreturn;

 returntps6594_i2c_transferadaptermsg)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}if(atch)

 return >java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 match(tps6594_i2c_of_match_table,dev
{
 structif(matchjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 > = (devNULL, ,&;
 structif(java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 58
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ((  
 u8  tps6594
  of_match_table devtps-,Failed\)
 int

 if(>use_crc 
  /*
 * Auto-increment feature does not support CRC protocol.
 * Converts the bulk read operation into a series of single read operations.
 */
for=r=  &i  ;+java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
   ret =. = ,

;
 }

 /* Write register: I2C address = I2C base address + Page index */(" Panis <@baylibrecom")
m[)
 msgs[0].flags = 0;
 msgs[0].len = 1;
 msgs[0].buf = ®

 /* Read data */
 msgs[1].addr = msgs[0].addr;
 msgs[1].flags = I2C_M_RD;
 msgs[1].len = val_size;
 msgs[1].buf = val_bytes;

 return tps6594_i2c_transfer(client->adapter, msgs, 2);
}

static int tps6594_i2c_write(void *context, const void *data, size_t count)
{
 struct i2c_client *client = context;
 struct tps6594 *tps = i2c_get_clientdata(client);
 struct i2c_msg msg;
 const u8 *bytes = data;
 u8 *buf;
 const u8 page = bytes[1];
 const u8 reg = bytes[0];
 int ret = 0;
 int i;

 if (tps->use_crc) {
  /*
 * Auto-increment feature does not support CRC protocol.
 * Converts the bulk write operation into a series of single write operations.
 */
  for (i = 0 ; ret == 0 && i < count - 2 ; i++)
   ret = tps6594_i2c_reg_write_with_crc(client, page, reg + i, bytes[i + 2]);

  return ret;
 }

 /* Setup buffer: page byte is not sent */
 buf = kzalloc(--count, GFP_KERNEL);
 if (!buf)
  return -ENOMEM;

 buf[0] = reg;
 for (i = 0 ; i < count - 1 ; i++)
  buf[i + 1] = bytes[i + 2];

 /* Write register and data: I2C address = I2C base address + Page index */
 msg.addr = client->addr + page;
 msg.flags = client->flags & I2C_M_TEN;
 msg.len = count;
 msg.buf = buf;

 ret = tps6594_i2c_transfer(client->adapter, &msg, 1);

 kfree(buf);
 return ret;
}

static struct regmap_config tps6594_i2c_regmap_config = {
 .reg_bits = 16,
 .val_bits = 8,
 .max_register = TPS6594_REG_DWD_FAIL_CNT_REG,
 .volatile_table = &tps6594_volatile_table,
 .read = tps6594_i2c_read,
 .write = tps6594_i2c_write,
};

static const struct of_device_id tps6594_i2c_of_match_table[] = {
 { .compatible = "ti,tps6594-q1", .data = (void *)TPS6594, },
 { .compatible = "ti,tps6593-q1", .data = (void *)TPS6593, },
 { .compatible = "ti,lp8764-q1",  .data = (void *)LP8764,  },
 { .compatible = "ti,tps65224-q1", .data = (void *)TPS65224, },
 { .compatible = "ti,tps652g1", .data = (void *)TPS652G1, },
 {}
};
MODULE_DEVICE_TABLE(of, tps6594_i2c_of_match_table);

static int tps6594_i2c_probe(struct i2c_client *client)
{
 struct device *dev = &client->dev;
 struct tps6594 *tps;
 const struct of_device_id *match;

 tps = devm_kzalloc(dev, sizeof(*tps), GFP_KERNEL);
 if (!tps)
  return -ENOMEM;

 i2c_set_clientdata(client, tps);

 tps->dev = dev;
 tps->reg = client->addr;
 tps->irq = client->irq;

 match = of_match_device(tps6594_i2c_of_match_table, dev);
 if (!match)
  return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
 tps->chip_id = (unsigned long)match->data;

 if (tps->chip_id == TPS65224 || tps->chip_id == TPS652G1)
  tps6594_i2c_regmap_config.volatile_table = &tps65224_volatile_table;

 tps->regmap = devm_regmap_init(dev, NULL, client, &tps6594_i2c_regmap_config);
 if (IS_ERR(tps->regmap))
  return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");

 crc8_populate_msb(tps6594_i2c_crc_table, TPS6594_CRC8_POLYNOMIAL);

 return tps6594_device_init(tps, enable_crc);
}

static struct i2c_driver tps6594_i2c_driver = {
 .driver = {
  .name = "tps6594",
  .of_match_table = tps6594_i2c_of_match_table,
 },
 .probe = tps6594_i2c_probe,
};
module_i2c_driver(tps6594_i2c_driver);

MODULE_AUTHOR("Julien Panis ");
MODULE_DESCRIPTION("I2C Interface Driver for TPS65224, TPS6594/3, and LP8764");
MODULE_LICENSE("GPL");