diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.c')
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index d380a93b092c..d543a6817d61 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ +#include <linux/phy.h> #include "mv88e6xxx.h" #include "port.h" @@ -304,6 +305,69 @@ int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) return mv88e6xxx_port_set_speed(chip, port, speed, true, true); } +int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, + phy_interface_t mode) +{ + u16 reg; + u16 cmode; + int err; + + if (mode == PHY_INTERFACE_MODE_NA) + return 0; + + if (port != 9 && port != 10) + return -EOPNOTSUPP; + + switch (mode) { + case PHY_INTERFACE_MODE_1000BASEX: + cmode = PORT_STATUS_CMODE_1000BASE_X; + break; + case PHY_INTERFACE_MODE_SGMII: + cmode = PORT_STATUS_CMODE_SGMII; + break; + case PHY_INTERFACE_MODE_2500BASEX: + cmode = PORT_STATUS_CMODE_2500BASEX; + break; + case PHY_INTERFACE_MODE_XGMII: + cmode = PORT_STATUS_CMODE_XAUI; + break; + case PHY_INTERFACE_MODE_RXAUI: + cmode = PORT_STATUS_CMODE_RXAUI; + break; + default: + cmode = 0; + } + + if (cmode) { + err = mv88e6xxx_port_read(chip, port, PORT_STATUS, ®); + if (err) + return err; + + reg &= ~PORT_STATUS_CMODE_MASK; + reg |= cmode; + + err = mv88e6xxx_port_write(chip, port, PORT_STATUS, reg); + if (err) + return err; + } + + return 0; +} + +int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode) +{ + int err; + u16 reg; + + err = mv88e6xxx_port_read(chip, port, PORT_STATUS, ®); + if (err) + return err; + + *cmode = reg & PORT_STATUS_CMODE_MASK; + + return 0; +} + /* Offset 0x02: Pause Control * * Do not limit the period of time that this port can be paused for by |