Пример #1
0
static int mv88e6xxx_g2_eeprom_read8(struct mv88e6xxx_chip *chip,
				     u16 addr, u8 *data)
{
	u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_READ;
	int err;

	err = mv88e6xxx_g2_eeprom_wait(chip);
	if (err)
		return err;

	err = mv88e6xxx_g2_write(chip, MV88E6390_G2_EEPROM_ADDR, addr);
	if (err)
		return err;

	err = mv88e6xxx_g2_eeprom_cmd(chip, cmd);
	if (err)
		return err;

	err = mv88e6xxx_g2_read(chip, MV88E6XXX_G2_EEPROM_CMD, &cmd);
	if (err)
		return err;

	*data = cmd & 0xff;

	return 0;
}
Пример #2
0
static int mv88e6xxx_g2_eeprom_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
{
	int err;

	err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_CMD, cmd);
	if (err)
		return err;

	return mv88e6xxx_g2_eeprom_wait(chip);
}
Пример #3
0
static int mv88e6xxx_g2_eeprom_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
{
	int err;

	err = mv88e6xxx_g2_write(chip, MV88E6XXX_G2_EEPROM_CMD,
				 MV88E6XXX_G2_EEPROM_CMD_BUSY | cmd);
	if (err)
		return err;

	return mv88e6xxx_g2_eeprom_wait(chip);
}
Пример #4
0
static int mv88e6xxx_g2_eeprom_write16(struct mv88e6xxx_chip *chip,
				       u8 addr, u16 data)
{
	u16 cmd = GLOBAL2_EEPROM_CMD_OP_WRITE | addr;
	int err;

	err = mv88e6xxx_g2_eeprom_wait(chip);
	if (err)
		return err;

	err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_DATA, data);
	if (err)
		return err;

	return mv88e6xxx_g2_eeprom_cmd(chip, cmd);
}
Пример #5
0
static int mv88e6xxx_g2_eeprom_read16(struct mv88e6xxx_chip *chip,
				      u8 addr, u16 *data)
{
	u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_READ | addr;
	int err;

	err = mv88e6xxx_g2_eeprom_wait(chip);
	if (err)
		return err;

	err = mv88e6xxx_g2_eeprom_cmd(chip, cmd);
	if (err)
		return err;

	return mv88e6xxx_g2_read(chip, MV88E6352_G2_EEPROM_DATA, data);
}
Пример #6
0
static int mv88e6xxx_g2_eeprom_write8(struct mv88e6xxx_chip *chip,
				      u16 addr, u8 data)
{
	u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_WRITE |
		MV88E6XXX_G2_EEPROM_CMD_WRITE_EN;
	int err;

	err = mv88e6xxx_g2_eeprom_wait(chip);
	if (err)
		return err;

	err = mv88e6xxx_g2_write(chip, MV88E6390_G2_EEPROM_ADDR, addr);
	if (err)
		return err;

	return mv88e6xxx_g2_eeprom_cmd(chip, cmd | data);
}