| --- a/drivers/net/phy/mdio-i2c.c |
| +++ b/drivers/net/phy/mdio-i2c.c |
| @@ -12,6 +12,7 @@ |
| #include <linux/i2c.h> |
| #include <linux/mdio/mdio-i2c.h> |
| #include <linux/phy.h> |
| +#include <linux/sfp.h> |
| |
| /* |
| * I2C bus addresses 0x50 and 0x51 are normally an EEPROM, which is |
| @@ -28,7 +29,7 @@ static unsigned int i2c_mii_phy_addr(int |
| return phy_id + 0x40; |
| } |
| |
| -static int i2c_mii_read(struct mii_bus *bus, int phy_id, int reg) |
| +static int i2c_mii_read_default(struct mii_bus *bus, int phy_id, int reg) |
| { |
| struct i2c_adapter *i2c = bus->priv; |
| struct i2c_msg msgs[2]; |
| @@ -62,7 +63,8 @@ static int i2c_mii_read(struct mii_bus * |
| return data[0] << 8 | data[1]; |
| } |
| |
| -static int i2c_mii_write(struct mii_bus *bus, int phy_id, int reg, u16 val) |
| +static int i2c_mii_write_default(struct mii_bus *bus, int phy_id, int reg, |
| + u16 val) |
| { |
| struct i2c_adapter *i2c = bus->priv; |
| struct i2c_msg msg; |
| @@ -91,9 +93,288 @@ static int i2c_mii_write(struct mii_bus |
| return ret < 0 ? ret : 0; |
| } |
| |
| -struct mii_bus *mdio_i2c_alloc(struct device *parent, struct i2c_adapter *i2c) |
| +/* RollBall SFPs do not access internal PHY via I2C address 0x56, but |
| + * instead via address 0x51, when SFP page is set to 0x03 and password to |
| + * 0xffffffff. |
| + * |
| + * address size contents description |
| + * ------- ---- -------- ----------- |
| + * 0x80 1 CMD 0x01/0x02/0x04 for write/read/done |
| + * 0x81 1 DEV Clause 45 device |
| + * 0x82 2 REG Clause 45 register |
| + * 0x84 2 VAL Register value |
| + */ |
| +#define ROLLBALL_PHY_I2C_ADDR 0x51 |
| + |
| +#define ROLLBALL_PASSWORD (SFP_VSL + 3) |
| + |
| +#define ROLLBALL_CMD_ADDR 0x80 |
| +#define ROLLBALL_DATA_ADDR 0x81 |
| + |
| +#define ROLLBALL_CMD_WRITE 0x01 |
| +#define ROLLBALL_CMD_READ 0x02 |
| +#define ROLLBALL_CMD_DONE 0x04 |
| + |
| +#define SFP_PAGE_ROLLBALL_MDIO 3 |
| + |
| +static int __i2c_transfer_err(struct i2c_adapter *i2c, struct i2c_msg *msgs, |
| + int num) |
| +{ |
| + int ret; |
| + |
| + ret = __i2c_transfer(i2c, msgs, num); |
| + if (ret < 0) |
| + return ret; |
| + else if (ret != num) |
| + return -EIO; |
| + else |
| + return 0; |
| +} |
| + |
| +static int __i2c_rollball_get_page(struct i2c_adapter *i2c, int bus_addr, |
| + u8 *page) |
| +{ |
| + struct i2c_msg msgs[2]; |
| + u8 addr = SFP_PAGE; |
| + |
| + msgs[0].addr = bus_addr; |
| + msgs[0].flags = 0; |
| + msgs[0].len = 1; |
| + msgs[0].buf = &addr; |
| + |
| + msgs[1].addr = bus_addr; |
| + msgs[1].flags = I2C_M_RD; |
| + msgs[1].len = 1; |
| + msgs[1].buf = page; |
| + |
| + return __i2c_transfer_err(i2c, msgs, 2); |
| +} |
| + |
| +static int __i2c_rollball_set_page(struct i2c_adapter *i2c, int bus_addr, |
| + u8 page) |
| +{ |
| + struct i2c_msg msg; |
| + u8 buf[2]; |
| + |
| + buf[0] = SFP_PAGE; |
| + buf[1] = page; |
| + |
| + msg.addr = bus_addr; |
| + msg.flags = 0; |
| + msg.len = 2; |
| + msg.buf = buf; |
| + |
| + return __i2c_transfer_err(i2c, &msg, 1); |
| +} |
| + |
| +/* In order to not interfere with other SFP code (which possibly may manipulate |
| + * SFP_PAGE), for every transfer we do this: |
| + * 1. lock the bus |
| + * 2. save content of SFP_PAGE |
| + * 3. set SFP_PAGE to 3 |
| + * 4. do the transfer |
| + * 5. restore original SFP_PAGE |
| + * 6. unlock the bus |
| + * Note that one might think that steps 2 to 5 could be theoretically done all |
| + * in one call to i2c_transfer (by constructing msgs array in such a way), but |
| + * unfortunately tests show that this does not work :-( Changed SFP_PAGE does |
| + * not take into account until i2c_transfer() is done. |
| + */ |
| +static int i2c_transfer_rollball(struct i2c_adapter *i2c, |
| + struct i2c_msg *msgs, int num) |
| +{ |
| + int ret, main_err = 0; |
| + u8 saved_page; |
| + |
| + i2c_lock_bus(i2c, I2C_LOCK_SEGMENT); |
| + |
| + /* save original page */ |
| + ret = __i2c_rollball_get_page(i2c, msgs->addr, &saved_page); |
| + if (ret) |
| + goto unlock; |
| + |
| + /* change to RollBall MDIO page */ |
| + ret = __i2c_rollball_set_page(i2c, msgs->addr, SFP_PAGE_ROLLBALL_MDIO); |
| + if (ret) |
| + goto unlock; |
| + |
| + /* do the transfer; we try to restore original page if this fails */ |
| + ret = __i2c_transfer_err(i2c, msgs, num); |
| + if (ret) |
| + main_err = ret; |
| + |
| + /* restore original page */ |
| + ret = __i2c_rollball_set_page(i2c, msgs->addr, saved_page); |
| + |
| +unlock: |
| + i2c_unlock_bus(i2c, I2C_LOCK_SEGMENT); |
| + |
| + return main_err ? : ret; |
| +} |
| + |
| +static int i2c_rollball_mii_poll(struct mii_bus *bus, int bus_addr, u8 *buf, |
| + size_t len) |
| +{ |
| + struct i2c_adapter *i2c = bus->priv; |
| + struct i2c_msg msgs[2]; |
| + u8 cmd_addr, tmp, *res; |
| + int i, ret; |
| + |
| + cmd_addr = ROLLBALL_CMD_ADDR; |
| + |
| + res = buf ? buf : &tmp; |
| + len = buf ? len : 1; |
| + |
| + msgs[0].addr = bus_addr; |
| + msgs[0].flags = 0; |
| + msgs[0].len = 1; |
| + msgs[0].buf = &cmd_addr; |
| + |
| + msgs[1].addr = bus_addr; |
| + msgs[1].flags = I2C_M_RD; |
| + msgs[1].len = len; |
| + msgs[1].buf = res; |
| + |
| + /* By experiment it takes up to 70 ms to access a register for these |
| + * SFPs. Sleep 20ms between iterations and try 10 times. |
| + */ |
| + i = 10; |
| + do { |
| + msleep(20); |
| + |
| + ret = i2c_transfer_rollball(i2c, msgs, ARRAY_SIZE(msgs)); |
| + if (ret) |
| + return ret; |
| + |
| + if (*res == ROLLBALL_CMD_DONE) |
| + return 0; |
| + } while (i-- > 0); |
| + |
| + dev_info(&bus->dev, "poll timed out\n"); |
| + |
| + return -ETIMEDOUT; |
| +} |
| + |
| +static int i2c_rollball_mii_cmd(struct mii_bus *bus, int bus_addr, u8 cmd, |
| + u8 *data, size_t len) |
| +{ |
| + struct i2c_adapter *i2c = bus->priv; |
| + struct i2c_msg msgs[2]; |
| + u8 cmdbuf[2]; |
| + |
| + cmdbuf[0] = ROLLBALL_CMD_ADDR; |
| + cmdbuf[1] = cmd; |
| + |
| + msgs[0].addr = bus_addr; |
| + msgs[0].flags = 0; |
| + msgs[0].len = len; |
| + msgs[0].buf = data; |
| + |
| + msgs[1].addr = bus_addr; |
| + msgs[1].flags = 0; |
| + msgs[1].len = sizeof(cmdbuf); |
| + msgs[1].buf = cmdbuf; |
| + |
| + return i2c_transfer_rollball(i2c, msgs, ARRAY_SIZE(msgs)); |
| +} |
| + |
| +static int i2c_mii_read_rollball(struct mii_bus *bus, int phy_id, int reg) |
| +{ |
| + u8 buf[4], res[6]; |
| + int bus_addr, ret; |
| + u16 val; |
| + |
| + if (!(reg & MII_ADDR_C45)) |
| + return -EOPNOTSUPP; |
| + |
| + bus_addr = i2c_mii_phy_addr(phy_id); |
| + if (bus_addr != ROLLBALL_PHY_I2C_ADDR) |
| + return 0xffff; |
| + |
| + buf[0] = ROLLBALL_DATA_ADDR; |
| + buf[1] = (reg >> 16) & 0x1f; |
| + buf[2] = (reg >> 8) & 0xff; |
| + buf[3] = reg & 0xff; |
| + |
| + ret = i2c_rollball_mii_cmd(bus, bus_addr, ROLLBALL_CMD_READ, buf, |
| + sizeof(buf)); |
| + if (ret < 0) |
| + return ret; |
| + |
| + ret = i2c_rollball_mii_poll(bus, bus_addr, res, sizeof(res)); |
| + if (ret == -ETIMEDOUT) |
| + return 0xffff; |
| + else if (ret < 0) |
| + return ret; |
| + |
| + val = res[4] << 8 | res[5]; |
| + |
| + return val; |
| +} |
| + |
| +static int i2c_mii_write_rollball(struct mii_bus *bus, int phy_id, int reg, |
| + u16 val) |
| +{ |
| + int bus_addr, ret; |
| + u8 buf[6]; |
| + |
| + if (!(reg & MII_ADDR_C45)) |
| + return -EOPNOTSUPP; |
| + |
| + bus_addr = i2c_mii_phy_addr(phy_id); |
| + if (bus_addr != ROLLBALL_PHY_I2C_ADDR) |
| + return 0; |
| + |
| + buf[0] = ROLLBALL_DATA_ADDR; |
| + buf[1] = (reg >> 16) & 0x1f; |
| + buf[2] = (reg >> 8) & 0xff; |
| + buf[3] = reg & 0xff; |
| + buf[4] = val >> 8; |
| + buf[5] = val & 0xff; |
| + |
| + ret = i2c_rollball_mii_cmd(bus, bus_addr, ROLLBALL_CMD_WRITE, buf, |
| + sizeof(buf)); |
| + if (ret < 0) |
| + return ret; |
| + |
| + ret = i2c_rollball_mii_poll(bus, bus_addr, NULL, 0); |
| + if (ret < 0) |
| + return ret; |
| + |
| + return 0; |
| +} |
| + |
| +static int i2c_mii_init_rollball(struct i2c_adapter *i2c) |
| +{ |
| + struct i2c_msg msg; |
| + u8 pw[5]; |
| + int ret; |
| + |
| + pw[0] = ROLLBALL_PASSWORD; |
| + pw[1] = 0xff; |
| + pw[2] = 0xff; |
| + pw[3] = 0xff; |
| + pw[4] = 0xff; |
| + |
| + msg.addr = ROLLBALL_PHY_I2C_ADDR; |
| + msg.flags = 0; |
| + msg.len = sizeof(pw); |
| + msg.buf = pw; |
| + |
| + ret = i2c_transfer(i2c, &msg, 1); |
| + if (ret < 0) |
| + return ret; |
| + else if (ret != 1) |
| + return -EIO; |
| + else |
| + return 0; |
| +} |
| + |
| +struct mii_bus *mdio_i2c_alloc(struct device *parent, struct i2c_adapter *i2c, |
| + enum mdio_i2c_proto protocol) |
| { |
| struct mii_bus *mii; |
| + int ret; |
| |
| if (!i2c_check_functionality(i2c, I2C_FUNC_I2C)) |
| return ERR_PTR(-EINVAL); |
| @@ -104,10 +385,28 @@ struct mii_bus *mdio_i2c_alloc(struct de |
| |
| snprintf(mii->id, MII_BUS_ID_SIZE, "i2c:%s", dev_name(parent)); |
| mii->parent = parent; |
| - mii->read = i2c_mii_read; |
| - mii->write = i2c_mii_write; |
| mii->priv = i2c; |
| |
| + switch (protocol) { |
| + case MDIO_I2C_ROLLBALL: |
| + ret = i2c_mii_init_rollball(i2c); |
| + if (ret < 0) { |
| + dev_err(parent, |
| + "Cannot initialize RollBall MDIO I2C protocol: %d\n", |
| + ret); |
| + mdiobus_free(mii); |
| + return ERR_PTR(ret); |
| + } |
| + |
| + mii->read = i2c_mii_read_rollball; |
| + mii->write = i2c_mii_write_rollball; |
| + break; |
| + default: |
| + mii->read = i2c_mii_read_default; |
| + mii->write = i2c_mii_write_default; |
| + break; |
| + } |
| + |
| return mii; |
| } |
| EXPORT_SYMBOL_GPL(mdio_i2c_alloc); |
| --- a/include/linux/mdio/mdio-i2c.h |
| +++ b/include/linux/mdio/mdio-i2c.h |
| @@ -11,6 +11,14 @@ struct device; |
| struct i2c_adapter; |
| struct mii_bus; |
| |
| -struct mii_bus *mdio_i2c_alloc(struct device *parent, struct i2c_adapter *i2c); |
| +enum mdio_i2c_proto { |
| + MDIO_I2C_NONE, |
| + MDIO_I2C_MARVELL_C22, |
| + MDIO_I2C_C45, |
| + MDIO_I2C_ROLLBALL, |
| +}; |
| + |
| +struct mii_bus *mdio_i2c_alloc(struct device *parent, struct i2c_adapter *i2c, |
| + enum mdio_i2c_proto protocol); |
| |
| #endif |
| --- a/drivers/net/phy/phylink.c |
| +++ b/drivers/net/phy/phylink.c |
| @@ -483,62 +483,105 @@ static void phylink_resolve(struct work_ |
| struct phylink *pl = container_of(w, struct phylink, resolve); |
| struct phylink_link_state link_state; |
| struct net_device *ndev = pl->netdev; |
| - int link_changed; |
| + bool mac_config = false; |
| + bool retrigger = false; |
| + bool cur_link_state; |
| |
| mutex_lock(&pl->state_mutex); |
| + if (pl->netdev) |
| + cur_link_state = netif_carrier_ok(ndev); |
| + else |
| + cur_link_state = pl->old_link_state; |
| + |
| if (pl->phylink_disable_state) { |
| pl->mac_link_dropped = false; |
| link_state.link = false; |
| } else if (pl->mac_link_dropped) { |
| link_state.link = false; |
| + retrigger = true; |
| } else { |
| switch (pl->cur_link_an_mode) { |
| case MLO_AN_PHY: |
| link_state = pl->phy_state; |
| phylink_resolve_flow(pl, &link_state); |
| - phylink_mac_config_up(pl, &link_state); |
| + mac_config = link_state.link; |
| break; |
| |
| case MLO_AN_FIXED: |
| phylink_get_fixed_state(pl, &link_state); |
| - phylink_mac_config_up(pl, &link_state); |
| + mac_config = link_state.link; |
| break; |
| |
| case MLO_AN_INBAND: |
| phylink_get_mac_state(pl, &link_state); |
| |
| + /* The PCS may have a latching link-fail indicator. |
| + * If the link was up, bring the link down and |
| + * re-trigger the resolve. Otherwise, re-read the |
| + * PCS state to get the current status of the link. |
| + */ |
| + if (!link_state.link) { |
| + if (cur_link_state) |
| + retrigger = true; |
| + else |
| + phylink_get_mac_state(pl, |
| + &link_state); |
| + } |
| + |
| /* If we have a phy, the "up" state is the union of |
| - * both the PHY and the MAC */ |
| + * both the PHY and the MAC |
| + */ |
| if (pl->phydev) |
| link_state.link &= pl->phy_state.link; |
| |
| /* Only update if the PHY link is up */ |
| if (pl->phydev && pl->phy_state.link) { |
| + /* If the interface has changed, force a |
| + * link down event if the link isn't already |
| + * down, and re-resolve. |
| + */ |
| + if (link_state.interface != |
| + pl->phy_state.interface) { |
| + retrigger = true; |
| + link_state.link = false; |
| + } |
| link_state.interface = pl->phy_state.interface; |
| |
| /* If we have a PHY, we need to update with |
| - * the pause mode bits. */ |
| - link_state.pause |= pl->phy_state.pause; |
| - phylink_resolve_flow(pl, &link_state); |
| - phylink_mac_config(pl, &link_state); |
| + * the PHY flow control bits. |
| + */ |
| + link_state.pause = pl->phy_state.pause; |
| + mac_config = true; |
| } |
| + phylink_resolve_flow(pl, &link_state); |
| break; |
| } |
| } |
| |
| - if (pl->netdev) |
| - link_changed = (link_state.link != netif_carrier_ok(ndev)); |
| - else |
| - link_changed = (link_state.link != pl->old_link_state); |
| + if (mac_config) { |
| + if (link_state.interface != pl->link_config.interface) { |
| + /* The interface has changed, force the link down and |
| + * then reconfigure. |
| + */ |
| + if (cur_link_state) { |
| + phylink_mac_link_down(pl); |
| + cur_link_state = false; |
| + } |
| + phylink_mac_config(pl, &link_state); |
| + pl->link_config.interface = link_state.interface; |
| + } else { |
| + phylink_mac_config(pl, &link_state); |
| + } |
| + } |
| |
| - if (link_changed) { |
| + if (link_state.link != cur_link_state) { |
| pl->old_link_state = link_state.link; |
| if (!link_state.link) |
| phylink_mac_link_down(pl); |
| else |
| phylink_mac_link_up(pl, link_state); |
| } |
| - if (!link_state.link && pl->mac_link_dropped) { |
| + if (!link_state.link && retrigger) { |
| pl->mac_link_dropped = false; |
| queue_work(system_power_efficient_wq, &pl->resolve); |
| } |
| @@ -1014,7 +1057,8 @@ void phylink_start(struct phylink *pl) |
| if (irq <= 0) |
| mod_timer(&pl->link_poll, jiffies + HZ); |
| } |
| - if (pl->cfg_link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) |
| + if ((pl->cfg_link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) || |
| + (pl->cfg_link_an_mode == MLO_AN_INBAND)) |
| mod_timer(&pl->link_poll, jiffies + HZ); |
| if (pl->phydev) |
| phy_start(pl->phydev); |
| --- a/drivers/net/phy/sfp-bus.c |
| +++ b/drivers/net/phy/sfp-bus.c |
| @@ -10,12 +10,6 @@ |
| |
| #include "sfp.h" |
| |
| -struct sfp_quirk { |
| - const char *vendor; |
| - const char *part; |
| - void (*modes)(const struct sfp_eeprom_id *id, unsigned long *modes); |
| -}; |
| - |
| /** |
| * struct sfp_bus - internal representation of a sfp bus |
| */ |
| @@ -38,87 +32,6 @@ struct sfp_bus { |
| bool started; |
| }; |
| |
| -static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id, |
| - unsigned long *modes) |
| -{ |
| - phylink_set(modes, 2500baseX_Full); |
| -} |
| - |
| -static void sfp_quirk_ubnt_uf_instant(const struct sfp_eeprom_id *id, |
| - unsigned long *modes) |
| -{ |
| - /* Ubiquiti U-Fiber Instant module claims that support all transceiver |
| - * types including 10G Ethernet which is not truth. So clear all claimed |
| - * modes and set only one mode which module supports: 1000baseX_Full. |
| - */ |
| - phylink_zero(modes); |
| - phylink_set(modes, 1000baseX_Full); |
| -} |
| - |
| -static const struct sfp_quirk sfp_quirks[] = { |
| - { |
| - // Alcatel Lucent G-010S-P can operate at 2500base-X, but |
| - // incorrectly report 2500MBd NRZ in their EEPROM |
| - .vendor = "ALCATELLUCENT", |
| - .part = "G010SP", |
| - .modes = sfp_quirk_2500basex, |
| - }, { |
| - // Alcatel Lucent G-010S-A can operate at 2500base-X, but |
| - // report 3.2GBd NRZ in their EEPROM |
| - .vendor = "ALCATELLUCENT", |
| - .part = "3FE46541AA", |
| - .modes = sfp_quirk_2500basex, |
| - }, { |
| - // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd |
| - // NRZ in their EEPROM |
| - .vendor = "HUAWEI", |
| - .part = "MA5671A", |
| - .modes = sfp_quirk_2500basex, |
| - }, { |
| - .vendor = "UBNT", |
| - .part = "UF-INSTANT", |
| - .modes = sfp_quirk_ubnt_uf_instant, |
| - }, |
| -}; |
| - |
| -static size_t sfp_strlen(const char *str, size_t maxlen) |
| -{ |
| - size_t size, i; |
| - |
| - /* Trailing characters should be filled with space chars */ |
| - for (i = 0, size = 0; i < maxlen; i++) |
| - if (str[i] != ' ') |
| - size = i + 1; |
| - |
| - return size; |
| -} |
| - |
| -static bool sfp_match(const char *qs, const char *str, size_t len) |
| -{ |
| - if (!qs) |
| - return true; |
| - if (strlen(qs) != len) |
| - return false; |
| - return !strncmp(qs, str, len); |
| -} |
| - |
| -static const struct sfp_quirk *sfp_lookup_quirk(const struct sfp_eeprom_id *id) |
| -{ |
| - const struct sfp_quirk *q; |
| - unsigned int i; |
| - size_t vs, ps; |
| - |
| - vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name)); |
| - ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn)); |
| - |
| - for (i = 0, q = sfp_quirks; i < ARRAY_SIZE(sfp_quirks); i++, q++) |
| - if (sfp_match(q->vendor, id->base.vendor_name, vs) && |
| - sfp_match(q->part, id->base.vendor_pn, ps)) |
| - return q; |
| - |
| - return NULL; |
| -} |
| - |
| /** |
| * sfp_parse_port() - Parse the EEPROM base ID, setting the port type |
| * @bus: a pointer to the &struct sfp_bus structure for the sfp module |
| @@ -359,7 +272,7 @@ void sfp_parse_support(struct sfp_bus *b |
| phylink_set(modes, 1000baseX_Full); |
| } |
| |
| - if (bus->sfp_quirk) |
| + if (bus->sfp_quirk && bus->sfp_quirk->modes) |
| bus->sfp_quirk->modes(id, modes); |
| |
| bitmap_or(support, support, modes, __ETHTOOL_LINK_MODE_MASK_NBITS); |
| @@ -737,12 +650,13 @@ void sfp_link_down(struct sfp_bus *bus) |
| } |
| EXPORT_SYMBOL_GPL(sfp_link_down); |
| |
| -int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id) |
| +int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id, |
| + const struct sfp_quirk *quirk) |
| { |
| const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus); |
| int ret = 0; |
| |
| - bus->sfp_quirk = sfp_lookup_quirk(id); |
| + bus->sfp_quirk = quirk; |
| |
| if (ops && ops->module_insert) |
| ret = ops->module_insert(bus->upstream, id); |
| --- a/drivers/net/phy/sfp.c |
| +++ b/drivers/net/phy/sfp.c |
| @@ -165,6 +165,7 @@ static const enum gpiod_flags gpio_flags |
| * on board (for a copper SFP) time to initialise. |
| */ |
| #define T_WAIT msecs_to_jiffies(50) |
| +#define T_WAIT_ROLLBALL msecs_to_jiffies(25000) |
| #define T_START_UP msecs_to_jiffies(300) |
| #define T_START_UP_BAD_GPON msecs_to_jiffies(60000) |
| |
| @@ -204,8 +205,11 @@ static const enum gpiod_flags gpio_flags |
| |
| /* SFP modules appear to always have their PHY configured for bus address |
| * 0x56 (which with mdio-i2c, translates to a PHY address of 22). |
| + * RollBall SFPs access phy via SFP Enhanced Digital Diagnostic Interface |
| + * via address 0x51 (mdio-i2c will use RollBall protocol on this address). |
| */ |
| -#define SFP_PHY_ADDR 22 |
| +#define SFP_PHY_ADDR 22 |
| +#define SFP_PHY_ADDR_ROLLBALL 17 |
| |
| struct sff_data { |
| unsigned int gpios; |
| @@ -217,6 +221,7 @@ struct sfp { |
| struct i2c_adapter *i2c; |
| struct mii_bus *i2c_mii; |
| struct sfp_bus *sfp_bus; |
| + enum mdio_i2c_proto mdio_protocol; |
| struct phy_device *mod_phy; |
| const struct sff_data *type; |
| size_t i2c_block_size; |
| @@ -233,6 +238,7 @@ struct sfp { |
| bool need_poll; |
| |
| struct mutex st_mutex; /* Protects state */ |
| + unsigned int state_hw_mask; |
| unsigned int state_soft_mask; |
| unsigned int state; |
| struct delayed_work poll; |
| @@ -249,6 +255,10 @@ struct sfp { |
| struct sfp_eeprom_id id; |
| unsigned int module_power_mW; |
| unsigned int module_t_start_up; |
| + unsigned int module_t_wait; |
| + bool tx_fault_ignore; |
| + |
| + const struct sfp_quirk *quirk; |
| |
| #if IS_ENABLED(CONFIG_HWMON) |
| struct sfp_diag diag; |
| @@ -303,6 +313,144 @@ static const struct of_device_id sfp_of_ |
| }; |
| MODULE_DEVICE_TABLE(of, sfp_of_match); |
| |
| +static void sfp_fixup_long_startup(struct sfp *sfp) |
| +{ |
| + sfp->module_t_start_up = T_START_UP_BAD_GPON; |
| +} |
| + |
| +static void sfp_fixup_ignore_tx_fault(struct sfp *sfp) |
| +{ |
| + sfp->tx_fault_ignore = true; |
| +} |
| + |
| +static void sfp_fixup_halny_gsfp(struct sfp *sfp) |
| +{ |
| + /* Ignore the TX_FAULT and LOS signals on this module. |
| + * these are possibly used for other purposes on this |
| + * module, e.g. a serial port. |
| + */ |
| + sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS); |
| +} |
| + |
| +static void sfp_fixup_rollball(struct sfp *sfp) |
| +{ |
| + sfp->mdio_protocol = MDIO_I2C_ROLLBALL; |
| + sfp->module_t_wait = T_WAIT_ROLLBALL; |
| +} |
| + |
| +static void sfp_fixup_rollball_cc(struct sfp *sfp) |
| +{ |
| + sfp_fixup_rollball(sfp); |
| + |
| + /* Some RollBall SFPs may have wrong (zero) extended compliance code |
| + * burned in EEPROM. For PHY probing we need the correct one. |
| + */ |
| + sfp->id.base.extended_cc = SFF8024_ECC_10GBASE_T_SFI; |
| +} |
| + |
| +static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id, |
| + unsigned long *modes) |
| +{ |
| + linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, modes); |
| +} |
| + |
| +static void sfp_quirk_10000baseSR(const struct sfp_eeprom_id *id, |
| + unsigned long *modes) |
| +{ |
| + linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, modes); |
| +} |
| + |
| +static void sfp_quirk_ubnt_uf_instant(const struct sfp_eeprom_id *id, |
| + unsigned long *modes) |
| +{ |
| + /* Ubiquiti U-Fiber Instant module claims that support all transceiver |
| + * types including 10G Ethernet which is not truth. So clear all claimed |
| + * modes and set only one mode which module supports: 1000baseX_Full. |
| + */ |
| + linkmode_zero(modes); |
| + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, modes); |
| +} |
| + |
| +#define SFP_QUIRK(_v, _p, _m, _f) \ |
| + { .vendor = _v, .part = _p, .modes = _m, .fixup = _f, } |
| +#define SFP_QUIRK_M(_v, _p, _m) SFP_QUIRK(_v, _p, _m, NULL) |
| +#define SFP_QUIRK_F(_v, _p, _f) SFP_QUIRK(_v, _p, NULL, _f) |
| + |
| +static const struct sfp_quirk sfp_quirks[] = { |
| + // Alcatel Lucent G-010S-P can operate at 2500base-X, but incorrectly |
| + // report 2500MBd NRZ in their EEPROM |
| + SFP_QUIRK_M("ALCATELLUCENT", "G010SP", sfp_quirk_2500basex), |
| + |
| + // Alcatel Lucent G-010S-A can operate at 2500base-X, but report 3.2GBd |
| + // NRZ in their EEPROM |
| + SFP_QUIRK("ALCATELLUCENT", "3FE46541AA", sfp_quirk_2500basex, |
| + sfp_fixup_long_startup), |
| + |
| + SFP_QUIRK_F("HALNy", "HL-GSFP", sfp_fixup_halny_gsfp), |
| + |
| + // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd NRZ in |
| + // their EEPROM |
| + SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex, |
| + sfp_fixup_ignore_tx_fault), |
| + |
| + // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report |
| + // 2500MBd NRZ in their EEPROM |
| + SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex), |
| + |
| + SFP_QUIRK_M("CISCO-JDSU", "PLRXPL-VC-S43-CG", sfp_quirk_10000baseSR), |
| + |
| + SFP_QUIRK_M("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant), |
| + |
| + SFP_QUIRK_F("ETU", "ESP-T5-R", sfp_fixup_rollball_cc), |
| + SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc), |
| + SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc), |
| + SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc), |
| + SFP_QUIRK_F("OEM", "TNBYV02-C0X-C3", sfp_fixup_rollball_cc), |
| + SFP_QUIRK_F("Turris", "RTSFP-10", sfp_fixup_rollball), |
| + SFP_QUIRK_F("Turris", "RTSFP-10G", sfp_fixup_rollball), |
| + SFP_QUIRK_F("JESS-LINK", "P60000BBC001-1", sfp_fixup_rollball), |
| +}; |
| + |
| +static size_t sfp_strlen(const char *str, size_t maxlen) |
| +{ |
| + size_t size, i; |
| + |
| + /* Trailing characters should be filled with space chars, but |
| + * some manufacturers can't read SFF-8472 and use NUL. |
| + */ |
| + for (i = 0, size = 0; i < maxlen; i++) |
| + if (str[i] != ' ' && str[i] != '\0') |
| + size = i + 1; |
| + |
| + return size; |
| +} |
| + |
| +static bool sfp_match(const char *qs, const char *str, size_t len) |
| +{ |
| + if (!qs) |
| + return true; |
| + if (strlen(qs) != len) |
| + return false; |
| + return !strncmp(qs, str, len); |
| +} |
| + |
| +static const struct sfp_quirk *sfp_lookup_quirk(const struct sfp_eeprom_id *id) |
| +{ |
| + const struct sfp_quirk *q; |
| + unsigned int i; |
| + size_t vs, ps; |
| + |
| + vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name)); |
| + ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn)); |
| + |
| + for (i = 0, q = sfp_quirks; i < ARRAY_SIZE(sfp_quirks); i++, q++) |
| + if (sfp_match(q->vendor, id->base.vendor_name, vs) && |
| + sfp_match(q->part, id->base.vendor_pn, ps)) |
| + return q; |
| + |
| + return NULL; |
| +} |
| + |
| static unsigned long poll_jiffies; |
| |
| static unsigned int sfp_gpio_get_state(struct sfp *sfp) |
| @@ -414,9 +554,6 @@ static int sfp_i2c_write(struct sfp *sfp |
| |
| static int sfp_i2c_configure(struct sfp *sfp, struct i2c_adapter *i2c) |
| { |
| - struct mii_bus *i2c_mii; |
| - int ret; |
| - |
| if (!i2c_check_functionality(i2c, I2C_FUNC_I2C)) |
| return -EINVAL; |
| |
| @@ -424,7 +561,15 @@ static int sfp_i2c_configure(struct sfp |
| sfp->read = sfp_i2c_read; |
| sfp->write = sfp_i2c_write; |
| |
| - i2c_mii = mdio_i2c_alloc(sfp->dev, i2c); |
| + return 0; |
| +} |
| + |
| +static int sfp_i2c_mdiobus_create(struct sfp *sfp) |
| +{ |
| + struct mii_bus *i2c_mii; |
| + int ret; |
| + |
| + i2c_mii = mdio_i2c_alloc(sfp->dev, sfp->i2c, sfp->mdio_protocol); |
| if (IS_ERR(i2c_mii)) |
| return PTR_ERR(i2c_mii); |
| |
| @@ -442,6 +587,12 @@ static int sfp_i2c_configure(struct sfp |
| return 0; |
| } |
| |
| +static void sfp_i2c_mdiobus_destroy(struct sfp *sfp) |
| +{ |
| + mdiobus_unregister(sfp->i2c_mii); |
| + sfp->i2c_mii = NULL; |
| +} |
| + |
| /* Interface */ |
| static int sfp_read(struct sfp *sfp, bool a2, u8 addr, void *buf, size_t len) |
| { |
| @@ -487,17 +638,18 @@ static void sfp_soft_set_state(struct sf |
| static void sfp_soft_start_poll(struct sfp *sfp) |
| { |
| const struct sfp_eeprom_id *id = &sfp->id; |
| + unsigned int mask = 0; |
| |
| sfp->state_soft_mask = 0; |
| - if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_DISABLE && |
| - !sfp->gpio[GPIO_TX_DISABLE]) |
| - sfp->state_soft_mask |= SFP_F_TX_DISABLE; |
| - if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_FAULT && |
| - !sfp->gpio[GPIO_TX_FAULT]) |
| - sfp->state_soft_mask |= SFP_F_TX_FAULT; |
| - if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RX_LOS && |
| - !sfp->gpio[GPIO_LOS]) |
| - sfp->state_soft_mask |= SFP_F_LOS; |
| + if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_DISABLE) |
| + mask |= SFP_F_TX_DISABLE; |
| + if (id->ext.enhopts & SFP_ENHOPTS_SOFT_TX_FAULT) |
| + mask |= SFP_F_TX_FAULT; |
| + if (id->ext.enhopts & SFP_ENHOPTS_SOFT_RX_LOS) |
| + mask |= SFP_F_LOS; |
| + |
| + // Poll the soft state for hardware pins we want to ignore |
| + sfp->state_soft_mask = ~sfp->state_hw_mask & mask; |
| |
| if (sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT) && |
| !sfp->need_poll) |
| @@ -511,10 +663,11 @@ static void sfp_soft_stop_poll(struct sf |
| |
| static unsigned int sfp_get_state(struct sfp *sfp) |
| { |
| - unsigned int state = sfp->get_state(sfp); |
| + unsigned int soft = sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT); |
| + unsigned int state; |
| |
| - if (state & SFP_F_PRESENT && |
| - sfp->state_soft_mask & (SFP_F_LOS | SFP_F_TX_FAULT)) |
| + state = sfp->get_state(sfp) & sfp->state_hw_mask; |
| + if (state & SFP_F_PRESENT && soft) |
| state |= sfp_soft_get_state(sfp); |
| |
| return state; |
| @@ -1448,12 +1601,12 @@ static void sfp_sm_phy_detach(struct sfp |
| sfp->mod_phy = NULL; |
| } |
| |
| -static int sfp_sm_probe_phy(struct sfp *sfp, bool is_c45) |
| +static int sfp_sm_probe_phy(struct sfp *sfp, int addr, bool is_c45) |
| { |
| struct phy_device *phy; |
| int err; |
| |
| - phy = get_phy_device(sfp->i2c_mii, SFP_PHY_ADDR, is_c45); |
| + phy = get_phy_device(sfp->i2c_mii, addr, is_c45); |
| if (phy == ERR_PTR(-ENODEV)) |
| return PTR_ERR(phy); |
| if (IS_ERR(phy)) { |
| @@ -1548,6 +1701,14 @@ static void sfp_sm_fault(struct sfp *sfp |
| } |
| } |
| |
| +static int sfp_sm_add_mdio_bus(struct sfp *sfp) |
| +{ |
| + if (sfp->mdio_protocol != MDIO_I2C_NONE) |
| + return sfp_i2c_mdiobus_create(sfp); |
| + |
| + return 0; |
| +} |
| + |
| /* Probe a SFP for a PHY device if the module supports copper - the PHY |
| * normally sits at I2C bus address 0x56, and may either be a clause 22 |
| * or clause 45 PHY. |
| @@ -1563,19 +1724,23 @@ static int sfp_sm_probe_for_phy(struct s |
| { |
| int err = 0; |
| |
| - switch (sfp->id.base.extended_cc) { |
| - case SFF8024_ECC_10GBASE_T_SFI: |
| - case SFF8024_ECC_10GBASE_T_SR: |
| - case SFF8024_ECC_5GBASE_T: |
| - case SFF8024_ECC_2_5GBASE_T: |
| - err = sfp_sm_probe_phy(sfp, true); |
| + switch (sfp->mdio_protocol) { |
| + case MDIO_I2C_NONE: |
| break; |
| |
| - default: |
| - if (sfp->id.base.e1000_base_t) |
| - err = sfp_sm_probe_phy(sfp, false); |
| + case MDIO_I2C_MARVELL_C22: |
| + err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, false); |
| + break; |
| + |
| + case MDIO_I2C_C45: |
| + err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR, true); |
| + break; |
| + |
| + case MDIO_I2C_ROLLBALL: |
| + err = sfp_sm_probe_phy(sfp, SFP_PHY_ADDR_ROLLBALL, true); |
| break; |
| } |
| + |
| return err; |
| } |
| |
| @@ -1819,11 +1984,33 @@ static int sfp_sm_mod_probe(struct sfp * |
| if (ret < 0) |
| return ret; |
| |
| - if (!memcmp(id.base.vendor_name, "ALCATELLUCENT ", 16) && |
| - !memcmp(id.base.vendor_pn, "3FE46541AA ", 16)) |
| - sfp->module_t_start_up = T_START_UP_BAD_GPON; |
| + /* Initialise state bits to use from hardware */ |
| + sfp->state_hw_mask = SFP_F_PRESENT; |
| + if (sfp->gpio[GPIO_TX_DISABLE]) |
| + sfp->state_hw_mask |= SFP_F_TX_DISABLE; |
| + if (sfp->gpio[GPIO_TX_FAULT]) |
| + sfp->state_hw_mask |= SFP_F_TX_FAULT; |
| + if (sfp->gpio[GPIO_LOS]) |
| + sfp->state_hw_mask |= SFP_F_LOS; |
| + |
| + sfp->module_t_start_up = T_START_UP; |
| + sfp->module_t_wait = T_WAIT; |
| + |
| + sfp->tx_fault_ignore = false; |
| + |
| + if (sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SFI || |
| + sfp->id.base.extended_cc == SFF8024_ECC_10GBASE_T_SR || |
| + sfp->id.base.extended_cc == SFF8024_ECC_5GBASE_T || |
| + sfp->id.base.extended_cc == SFF8024_ECC_2_5GBASE_T) |
| + sfp->mdio_protocol = MDIO_I2C_C45; |
| + else if (sfp->id.base.e1000_base_t) |
| + sfp->mdio_protocol = MDIO_I2C_MARVELL_C22; |
| else |
| - sfp->module_t_start_up = T_START_UP; |
| + sfp->mdio_protocol = MDIO_I2C_NONE; |
| + |
| + sfp->quirk = sfp_lookup_quirk(&id); |
| + if (sfp->quirk && sfp->quirk->fixup) |
| + sfp->quirk->fixup(sfp); |
| |
| return 0; |
| } |
| @@ -1936,7 +2123,8 @@ static void sfp_sm_module(struct sfp *sf |
| break; |
| |
| /* Report the module insertion to the upstream device */ |
| - err = sfp_module_insert(sfp->sfp_bus, &sfp->id); |
| + err = sfp_module_insert(sfp->sfp_bus, &sfp->id, |
| + sfp->quirk); |
| if (err < 0) { |
| sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0); |
| break; |
| @@ -1995,6 +2183,8 @@ static void sfp_sm_main(struct sfp *sfp, |
| sfp_module_stop(sfp->sfp_bus); |
| if (sfp->mod_phy) |
| sfp_sm_phy_detach(sfp); |
| + if (sfp->i2c_mii) |
| + sfp_i2c_mdiobus_destroy(sfp); |
| sfp_module_tx_disable(sfp); |
| sfp_soft_stop_poll(sfp); |
| sfp_sm_next(sfp, SFP_S_DOWN, 0); |
| @@ -2018,9 +2208,10 @@ static void sfp_sm_main(struct sfp *sfp, |
| |
| /* We need to check the TX_FAULT state, which is not defined |
| * while TX_DISABLE is asserted. The earliest we want to do |
| - * anything (such as probe for a PHY) is 50ms. |
| + * anything (such as probe for a PHY) is 50ms (or more on |
| + * specific modules). |
| */ |
| - sfp_sm_next(sfp, SFP_S_WAIT, T_WAIT); |
| + sfp_sm_next(sfp, SFP_S_WAIT, sfp->module_t_wait); |
| break; |
| |
| case SFP_S_WAIT: |
| @@ -2034,8 +2225,8 @@ static void sfp_sm_main(struct sfp *sfp, |
| * deasserting. |
| */ |
| timeout = sfp->module_t_start_up; |
| - if (timeout > T_WAIT) |
| - timeout -= T_WAIT; |
| + if (timeout > sfp->module_t_wait) |
| + timeout -= sfp->module_t_wait; |
| else |
| timeout = 1; |
| |
| @@ -2057,6 +2248,12 @@ static void sfp_sm_main(struct sfp *sfp, |
| sfp->sm_fault_retries == N_FAULT_INIT); |
| } else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) { |
| init_done: |
| + /* Create mdiobus and start trying for PHY */ |
| + ret = sfp_sm_add_mdio_bus(sfp); |
| + if (ret < 0) { |
| + sfp_sm_next(sfp, SFP_S_FAIL, 0); |
| + break; |
| + } |
| sfp->sm_phy_retries = R_PHY_RETRY; |
| goto phy_probe; |
| } |
| @@ -2409,6 +2606,8 @@ static int sfp_probe(struct platform_dev |
| return PTR_ERR(sfp->gpio[i]); |
| } |
| |
| + sfp->state_hw_mask = SFP_F_PRESENT; |
| + |
| sfp->get_state = sfp_gpio_get_state; |
| sfp->set_state = sfp_gpio_set_state; |
| |
| --- a/drivers/net/phy/sfp.h |
| +++ b/drivers/net/phy/sfp.h |
| @@ -6,6 +6,13 @@ |
| |
| struct sfp; |
| |
| +struct sfp_quirk { |
| + const char *vendor; |
| + const char *part; |
| + void (*modes)(const struct sfp_eeprom_id *id, unsigned long *modes); |
| + void (*fixup)(struct sfp *sfp); |
| +}; |
| + |
| struct sfp_socket_ops { |
| void (*attach)(struct sfp *sfp); |
| void (*detach)(struct sfp *sfp); |
| @@ -20,7 +27,8 @@ int sfp_add_phy(struct sfp_bus *bus, str |
| void sfp_remove_phy(struct sfp_bus *bus); |
| void sfp_link_up(struct sfp_bus *bus); |
| void sfp_link_down(struct sfp_bus *bus); |
| -int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id); |
| +int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id, |
| + const struct sfp_quirk *quirk); |
| void sfp_module_remove(struct sfp_bus *bus); |
| int sfp_module_start(struct sfp_bus *bus); |
| void sfp_module_stop(struct sfp_bus *bus); |
| --- a/drivers/net/phy/marvell10g.c |
| +++ b/drivers/net/phy/marvell10g.c |
| @@ -32,6 +32,15 @@ |
| #define MV_PHY_ALASKA_NBT_QUIRK_REV (MARVELL_PHY_ID_88X3310 | 0xa) |
| |
| enum { |
| + MV_PMA_21X0_PORT_CTRL = 0xc04a, |
| + MV_PMA_21X0_PORT_CTRL_SWRST = BIT(15), |
| + MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK = 0x7, |
| + MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII = 0x0, |
| + MV_PMA_2180_PORT_CTRL_MACTYPE_DXGMII = 0x1, |
| + MV_PMA_2180_PORT_CTRL_MACTYPE_QXGMII = 0x2, |
| + MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER = 0x4, |
| + MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN = 0x5, |
| + MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6, |
| MV_PMA_BOOT = 0xc050, |
| MV_PMA_BOOT_FATAL = BIT(0), |
| |
| @@ -53,7 +62,18 @@ enum { |
| |
| /* Vendor2 MMD registers */ |
| MV_V2_PORT_CTRL = 0xf001, |
| - MV_V2_PORT_CTRL_PWRDOWN = 0x0800, |
| + MV_V2_PORT_CTRL_PWRDOWN = BIT(11), |
| + MV_V2_33X0_PORT_CTRL_SWRST = BIT(15), |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_MASK = 0x7, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI = 0x0, |
| + MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH = 0x1, |
| + MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN = 0x1, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH = 0x2, |
| + MV_V2_3310_PORT_CTRL_MACTYPE_XAUI = 0x3, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER = 0x4, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN = 0x5, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6, |
| + MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII = 0x7, |
| MV_V2_TEMP_CTRL = 0xf08a, |
| MV_V2_TEMP_CTRL_MASK = 0xc000, |
| MV_V2_TEMP_CTRL_SAMPLE = 0x0000, |
| @@ -62,11 +82,24 @@ enum { |
| MV_V2_TEMP_UNKNOWN = 0x9600, /* unknown function */ |
| }; |
| |
| +struct mv3310_chip { |
| + int (*get_mactype)(struct phy_device *phydev); |
| + int (*init_interface)(struct phy_device *phydev, int mactype); |
| +}; |
| + |
| struct mv3310_priv { |
| + bool rate_match; |
| + phy_interface_t const_interface; |
| + |
| struct device *hwmon_dev; |
| char *hwmon_name; |
| }; |
| |
| +static const struct mv3310_chip *to_mv3310_chip(struct phy_device *phydev) |
| +{ |
| + return phydev->drv->driver_data; |
| +} |
| + |
| #ifdef CONFIG_HWMON |
| static umode_t mv3310_hwmon_is_visible(const void *data, |
| enum hwmon_sensor_types type, |
| @@ -155,13 +188,6 @@ static int mv3310_hwmon_config(struct ph |
| MV_V2_TEMP_CTRL_MASK, val); |
| } |
| |
| -static void mv3310_hwmon_disable(void *data) |
| -{ |
| - struct phy_device *phydev = data; |
| - |
| - mv3310_hwmon_config(phydev, false); |
| -} |
| - |
| static int mv3310_hwmon_probe(struct phy_device *phydev) |
| { |
| struct device *dev = &phydev->mdio.dev; |
| @@ -185,10 +211,6 @@ static int mv3310_hwmon_probe(struct phy |
| if (ret) |
| return ret; |
| |
| - ret = devm_add_action_or_reset(dev, mv3310_hwmon_disable, phydev); |
| - if (ret) |
| - return ret; |
| - |
| priv->hwmon_dev = devm_hwmon_device_register_with_info(dev, |
| priv->hwmon_name, phydev, |
| &mv3310_hwmon_chip_info, NULL); |
| @@ -262,6 +284,11 @@ static int mv3310_probe(struct phy_devic |
| return phy_sfp_probe(phydev, &mv3310_sfp_ops); |
| } |
| |
| +static void mv3310_remove(struct phy_device *phydev) |
| +{ |
| + mv3310_hwmon_config(phydev, false); |
| +} |
| + |
| static int mv3310_suspend(struct phy_device *phydev) |
| { |
| return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, |
| @@ -297,8 +324,84 @@ static bool mv3310_has_pma_ngbaset_quirk |
| MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV; |
| } |
| |
| +static int mv2110_get_mactype(struct phy_device *phydev) |
| +{ |
| + int mactype; |
| + |
| + mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL); |
| + if (mactype < 0) |
| + return mactype; |
| + |
| + return mactype & MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK; |
| +} |
| + |
| +static int mv3310_get_mactype(struct phy_device *phydev) |
| +{ |
| + int mactype; |
| + |
| + mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); |
| + if (mactype < 0) |
| + return mactype; |
| + |
| + return mactype & MV_V2_33X0_PORT_CTRL_MACTYPE_MASK; |
| +} |
| + |
| +static int mv2110_init_interface(struct phy_device *phydev, int mactype) |
| +{ |
| + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); |
| + |
| + priv->rate_match = false; |
| + |
| + if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) |
| + priv->rate_match = true; |
| + |
| + if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII) |
| + priv->const_interface = PHY_INTERFACE_MODE_USXGMII; |
| + else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) |
| + priv->const_interface = PHY_INTERFACE_MODE_10GKR; |
| + else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER || |
| + mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN) |
| + priv->const_interface = PHY_INTERFACE_MODE_NA; |
| + else |
| + return -EINVAL; |
| + |
| + return 0; |
| +} |
| + |
| +static int mv3310_init_interface(struct phy_device *phydev, int mactype) |
| +{ |
| + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); |
| + |
| + priv->rate_match = false; |
| + |
| + if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || |
| + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || |
| + mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH) |
| + priv->rate_match = true; |
| + |
| + if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII) |
| + priv->const_interface = PHY_INTERFACE_MODE_USXGMII; |
| + else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || |
| + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN || |
| + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER) |
| + priv->const_interface = PHY_INTERFACE_MODE_10GKR; |
| + else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || |
| + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI) |
| + priv->const_interface = PHY_INTERFACE_MODE_RXAUI; |
| + else if (mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH || |
| + mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI) |
| + priv->const_interface = PHY_INTERFACE_MODE_XAUI; |
| + else |
| + return -EINVAL; |
| + |
| + return 0; |
| +} |
| + |
| static int mv3310_config_init(struct phy_device *phydev) |
| { |
| + const struct mv3310_chip *chip = to_mv3310_chip(phydev); |
| + int err, mactype; |
| + |
| /* Check that the PHY interface type is compatible */ |
| if (phydev->interface != PHY_INTERFACE_MODE_SGMII && |
| phydev->interface != PHY_INTERFACE_MODE_2500BASEX && |
| @@ -307,6 +410,16 @@ static int mv3310_config_init(struct phy |
| phydev->interface != PHY_INTERFACE_MODE_10GKR) |
| return -ENODEV; |
| |
| + mactype = chip->get_mactype(phydev); |
| + if (mactype < 0) |
| + return mactype; |
| + |
| + err = chip->init_interface(phydev, mactype); |
| + if (err) { |
| + phydev_err(phydev, "MACTYPE configuration invalid\n"); |
| + return err; |
| + } |
| + |
| return 0; |
| } |
| |
| @@ -384,6 +497,23 @@ static int mv3310_aneg_done(struct phy_d |
| |
| static void mv3310_update_interface(struct phy_device *phydev) |
| { |
| + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); |
| + |
| + if (!phydev->link) |
| + return; |
| + |
| + /* In all of the "* with Rate Matching" modes the PHY interface is fixed |
| + * at 10Gb. The PHY adapts the rate to actual wire speed with help of |
| + * internal 16KB buffer. |
| + * |
| + * In USXGMII mode the PHY interface mode is also fixed. |
| + */ |
| + if (priv->rate_match || |
| + priv->const_interface == PHY_INTERFACE_MODE_USXGMII) { |
| + phydev->interface = priv->const_interface; |
| + return; |
| + } |
| + |
| if ((phydev->interface == PHY_INTERFACE_MODE_SGMII || |
| phydev->interface == PHY_INTERFACE_MODE_2500BASEX || |
| phydev->interface == PHY_INTERFACE_MODE_5GBASER || |
| @@ -503,11 +633,22 @@ static int mv3310_read_status(struct phy |
| return 0; |
| } |
| |
| +static const struct mv3310_chip mv3310_type = { |
| + .get_mactype = mv3310_get_mactype, |
| + .init_interface = mv3310_init_interface, |
| +}; |
| + |
| +static const struct mv3310_chip mv2111_type = { |
| + .get_mactype = mv2110_get_mactype, |
| + .init_interface = mv2110_init_interface, |
| +}; |
| + |
| static struct phy_driver mv3310_drivers[] = { |
| { |
| .phy_id = MARVELL_PHY_ID_88X3310, |
| .phy_id_mask = MARVELL_PHY_ID_MASK, |
| .name = "mv88x3310", |
| + .driver_data = &mv3310_type, |
| .get_features = mv3310_get_features, |
| .soft_reset = genphy_no_soft_reset, |
| .config_init = mv3310_config_init, |
| @@ -517,11 +658,13 @@ static struct phy_driver mv3310_drivers[ |
| .config_aneg = mv3310_config_aneg, |
| .aneg_done = mv3310_aneg_done, |
| .read_status = mv3310_read_status, |
| + .remove = mv3310_remove, |
| }, |
| { |
| .phy_id = MARVELL_PHY_ID_88E2110, |
| .phy_id_mask = MARVELL_PHY_ID_MASK, |
| .name = "mv88x2110", |
| + .driver_data = &mv2111_type, |
| .probe = mv3310_probe, |
| .suspend = mv3310_suspend, |
| .resume = mv3310_resume, |
| @@ -530,6 +673,7 @@ static struct phy_driver mv3310_drivers[ |
| .config_aneg = mv3310_config_aneg, |
| .aneg_done = mv3310_aneg_done, |
| .read_status = mv3310_read_status, |
| + .remove = mv3310_remove, |
| }, |
| }; |
| |