static int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip,
int target, int port)
{
u16 val = (target << 8) | (port & 0xf);
return mv88e6xxx_g2_update(chip, GLOBAL2_DEVICE_MAPPING, val);
}
static int mv88e6xxx_g2_pot_write(struct mv88e6xxx_chip *chip, int pointer,
u8 data)
{
u16 val = (pointer << 8) | (data & 0x7);
return mv88e6xxx_g2_update(chip, GLOBAL2_PRIO_OVERRIDE, val);
}
static int mv88e6xxx_g2_switch_mac_write(struct mv88e6xxx_chip *chip,
unsigned int pointer, u8 data)
{
u16 val = (pointer << 8) | data;
return mv88e6xxx_g2_update(chip, GLOBAL2_SWITCH_MAC, val);
}
static int mv88e6xxx_g2_trunk_mapping_write(struct mv88e6xxx_chip *chip, int id,
u16 map)
{
const u16 port_mask = BIT(mv88e6xxx_num_ports(chip)) - 1;
u16 val = (id << 11) | (map & port_mask);
return mv88e6xxx_g2_update(chip, GLOBAL2_TRUNK_MAPPING, val);
}
static int mv88e6xxx_g2_trunk_mask_write(struct mv88e6xxx_chip *chip, int num,
bool hash, u16 mask)
{
u16 val = (num << 12) | (mask & mv88e6xxx_port_mask(chip));
if (hash)
val |= MV88E6XXX_G2_TRUNK_MASK_HASH;
return mv88e6xxx_g2_update(chip, MV88E6XXX_G2_TRUNK_MASK, val);
}
static int mv88e6xxx_g2_trunk_mask_write(struct mv88e6xxx_chip *chip, int num,
bool hask, u16 mask)
{
const u16 port_mask = BIT(mv88e6xxx_num_ports(chip)) - 1;
u16 val = (num << 12) | (mask & port_mask);
if (hask)
val |= GLOBAL2_TRUNK_MASK_HASK;
return mv88e6xxx_g2_update(chip, GLOBAL2_TRUNK_MASK, val);
}
/* mv88e6xxx_g2_avb_write -- Write one 16-bit word. */
static int mv88e6xxx_g2_avb_write(struct mv88e6xxx_chip *chip, u16 writeop,
u16 data)
{
int err;
err = mv88e6xxx_g2_write(chip, MV88E6352_G2_AVB_DATA, data);
if (err)
return err;
return mv88e6xxx_g2_update(chip, MV88E6352_G2_AVB_CMD, writeop);
}
/* mv88e6xxx_g2_avb_read -- Read one or multiple 16-bit words.
* The hardware supports snapshotting up to four contiguous registers.
*/
static int mv88e6xxx_g2_avb_read(struct mv88e6xxx_chip *chip, u16 readop,
u16 *data, int len)
{
int err;
int i;
/* Hardware can only snapshot four words. */
if (len > 4)
return -E2BIG;
err = mv88e6xxx_g2_update(chip, MV88E6352_G2_AVB_CMD, readop);
if (err)
return err;
for (i = 0; i < len; ++i) {
err = mv88e6xxx_g2_read(chip, MV88E6352_G2_AVB_DATA,
&data[i]);
if (err)
return err;
}
return 0;
}