diff options
| -rw-r--r-- | target/linux/generic-2.6/files/drivers/net/phy/ip175c.c | 196 |
1 files changed, 91 insertions, 105 deletions
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c index 7c447830e..673ff1276 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c @@ -237,9 +237,8 @@ struct ip175c_state { int router_mode; // ROUTER_EN int vlan_enabled; // TAG_VLAN_EN struct port_state { - struct phy_device *phy; + u16 pvid; unsigned int shareports; - u16 vlan_tag; } ports[MAX_PORTS]; unsigned int add_tag; unsigned int remove_tag; @@ -247,31 +246,49 @@ struct ip175c_state { unsigned int vlan_ports[MAX_VLANS]; const struct register_mappings *regs; reg proc_mii; /*!< phy/reg for the low level register access via /proc */ - int proc_errno; /*!< error code of the last read/write to "val" */ char buf[80]; }; -static int getPhy (struct ip175c_state *state, reg mii) +static int ip_phy_read(struct mii_bus *bus, int port, int reg) +{ + int val; + + mutex_lock(&bus->mdio_lock); + val = bus->read(bus, port, reg); + mutex_unlock(&bus->mdio_lock); + + return val; +} + + +static int ip_phy_write(struct mii_bus *bus, int port, int reg, u16 val) { - struct mii_bus *bus = state->mii_bus; int err; - if (!REG_SUPP(mii)) - return -EFAULT; mutex_lock(&bus->mdio_lock); - err = bus->read(bus, mii.p, mii.m); + err = bus->write(bus, port, reg, val); mutex_unlock(&bus->mdio_lock); - if (err < 0) { - state->proc_errno = err; - pr_warning("IP175C: Unable to get MII register %d,%d: error %d\n", mii.p,mii.m,-err); - return err; - } - pr_debug("IP175C: Read MII register %d,%d -> %04x\n", mii.p, mii.m, err); return err; } + +static int getPhy (struct ip175c_state *state, reg mii) +{ + struct mii_bus *bus = state->mii_bus; + int val; + + if (!REG_SUPP(mii)) + return -EFAULT; + + val = ip_phy_read(bus, mii.p, mii.m); + if (val < 0) + pr_warning("IP175C: Unable to get MII register %d,%d: error %d\n", mii.p,mii.m,-val); + + return val; +} + static int setPhy (struct ip175c_state *state, reg mii, u16 value) { struct mii_bus *bus = state->mii_bus; @@ -279,17 +296,14 @@ static int setPhy (struct ip175c_state *state, reg mii, u16 value) if (!REG_SUPP(mii)) return -EFAULT; - mutex_lock(&bus->mdio_lock); - err = bus->write(bus, mii.p, mii.m, value); - mutex_unlock(&bus->mdio_lock); + + err = ip_phy_write(bus, mii.p, mii.m, value); if (err < 0) { - state->proc_errno = err; pr_warning("IP175C: Unable to set MII register %d,%d to %d: error %d\n", mii.p,mii.m,value,-err); return err; } mdelay(2); getPhy(state, mii); - pr_debug("IP175C: Set MII register %d,%d to %04x\n", mii.p, mii.m, value); return 0; } @@ -470,9 +484,9 @@ static int get_state(struct ip175c_state *state) if (val < 0) { return val; } - state->ports[i].vlan_tag = val; + state->ports[i].pvid = val; } else { - state->ports[i].vlan_tag = 0; + state->ports[i].pvid = 0; } } @@ -493,8 +507,8 @@ static int get_state(struct ip175c_state *state) for (j=0; j<MAX_VLANS; j++) { state->vlan_ports[j] = 0; for (i=0; i<state->regs->NUM_PORTS; i++) { - if ((state->ports[i].vlan_tag == j) || - (state->ports[i].vlan_tag == 0)) { + if ((state->ports[i].pvid == j) || + (state->ports[i].pvid == 0)) { state->vlan_ports[j] |= (1<<i); } } @@ -610,7 +624,7 @@ static int update_state(struct ip175c_state *state) for (i=0; i<MAX_PORTS; i++) { if (REG_SUPP(state->regs->VLAN_DEFAULT_TAG_REG[i])) { int err = setPhy(state, state->regs->VLAN_DEFAULT_TAG_REG[i], - state->ports[i].vlan_tag); + state->ports[i].pvid); if (err < 0) { return err; } @@ -638,30 +652,19 @@ static void correct_vlan_state(struct ip175c_state *state) } } - for (i=0; i<state->regs->NUM_PORTS; i++) { - int oldtag = state->ports[i].vlan_tag; - if (oldtag >= 0 && oldtag < MAX_VLANS) { - if (state->vlan_ports[oldtag] & (1<<i)) { - continue; // primary vlan is valid. - } - } - state->ports[i].vlan_tag = 0; - } + for (i=0; i<state->regs->NUM_PORTS; i++) { unsigned int portmask = (1<<i); - state->ports[i].shareports = portmask; - for (j=0; j<MAX_VLANS; j++) { - if (state->vlan_ports[j] & portmask) { - state->ports[i].shareports |= state->vlan_ports[j]; - if (state->ports[i].vlan_tag == 0) { - state->ports[i].vlan_tag = j; - } - } - } if (!state->vlan_enabled) { // share with everybody! state->ports[i].shareports = (1<<state->regs->NUM_PORTS)-1; + continue; + } + state->ports[i].shareports = portmask; + for (j=0; j<MAX_VLANS; j++) { + if (state->vlan_ports[j] & portmask) + state->ports[i].shareports |= state->vlan_ports[j]; } } state->remove_tag = ((~state->add_tag) & ((1<<state->regs->NUM_PORTS)-1)); @@ -700,13 +703,11 @@ static int ip175c_set_enable_vlan(struct switch_dev *dev, const struct switch_at // Otherwise, if we are switching state, set fields to a known default. state->remove_tag = 0x0000; state->add_tag = 0x0000; - for (i = 0; i < MAX_PORTS; i++) { - state->ports[i].vlan_tag = 0; + for (i = 0; i < MAX_PORTS; i++) state->ports[i].shareports = 0xffff; - } - for (i = 0; i < MAX_VLANS; i++) { + + for (i = 0; i < MAX_VLANS; i++) state->vlan_ports[i] = 0x0; - } if (state->vlan_enabled) { // updates other fields only based off vlan_ports and add_tag fields. @@ -773,15 +774,6 @@ static int ip175c_set_ports(struct switch_dev *dev, struct switch_val *val) state->add_tag &= (~bitmask); } } - /* - // no primary vlan id support in swconfig? - // primary vlan will be set to the first non-zero vlan a port is a member of. - for (i = 0; i< state->regs->NUM_PORTS; i++) { - if (vlan_config->pvid & (1<<i)) { - state->ports[i].vlan_tag = nr; - } - } - */ correct_vlan_state(state); err = update_state(state); @@ -954,10 +946,8 @@ static int ip175c_get_val(struct switch_dev *dev, const struct switch_attr *attr retval = getPhy(state, state->proc_mii); if (retval < 0) { - state->proc_errno = retval; return retval; } else { - state->proc_errno = 0; val->value.i = retval; return 0; } @@ -967,23 +957,13 @@ static int ip175c_get_val(struct switch_dev *dev, const struct switch_attr *attr static int ip175c_set_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { struct ip175c_state *state = dev->priv; - int myval; + int myval, err = 0; myval = val->value.i; if (myval <= 0xffff && myval >= 0 && REG_SUPP(state->proc_mii)) { - state->proc_errno = setPhy(state, state->proc_mii, (u16)myval); - } else { - state->proc_errno = -EINVAL; + err = setPhy(state, state->proc_mii, (u16)myval); } - return state->proc_errno; -} - -/*! get the errno of the last read/write of "val" */ -static int ip175c_get_errno(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) -{ - struct ip175c_state *state = dev->priv; - val->value.i = state->proc_errno; - return 0; + return err; } static int ip175c_read_name(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) @@ -996,9 +976,9 @@ static int ip175c_read_name(struct switch_dev *dev, const struct switch_attr *at static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - int nr = val->port_vlan; struct ip175c_state *state = dev->priv; - struct phy_device *phy; + struct mii_bus *bus = state->mii_bus; + int nr = val->port_vlan; int ctrl; int autoneg; int speed; @@ -1013,17 +993,14 @@ static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_att speed = 1; } - if (nr == state->regs->CPU_PORT) { - return -EINVAL; // can't set speed for cpu port! - } + /* can't set speed for cpu port */ + if (nr == state->regs->CPU_PORT) + return -EINVAL; if (nr >= dev->ports || nr < 0) return -EINVAL; - phy = state->ports[nr].phy; - if (!phy) - return -EINVAL; - ctrl = phy_read(phy, 0); + ctrl = ip_phy_read(bus, nr, 0); if (ctrl < 0) return -EIO; @@ -1032,14 +1009,14 @@ static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_att ctrl |= (autoneg<<12); ctrl |= (speed<<13); - return phy_write(phy, 0, ctrl); + return ip_phy_write(bus, nr, 0, ctrl); } static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - int nr = val->port_vlan; struct ip175c_state *state = dev->priv; - struct phy_device *phy; + struct mii_bus *bus = state->mii_bus; + int nr = val->port_vlan; int speed, status; if (nr == state->regs->CPU_PORT) { @@ -1049,12 +1026,9 @@ static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_att if (nr >= dev->ports || nr < 0) return -EINVAL; - phy = state->ports[nr].phy; - if (!phy) - return -EINVAL; - status = phy_read(phy, 1); - speed = phy_read(phy, 18); + status = ip_phy_read(bus, nr, 1); + speed = ip_phy_read(bus, nr, 18); if (status < 0 || speed < 0) return -EIO; @@ -1069,10 +1043,10 @@ static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_att static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - int nr = val->port_vlan; struct ip175c_state *state = dev->priv; - struct phy_device *phy; + struct mii_bus *bus = state->mii_bus; int ctrl, speed, status; + int nr = val->port_vlan; int len; char *buf = state->buf; // fixed-length at 80. @@ -1084,13 +1058,10 @@ static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_at if (nr >= dev->ports || nr < 0) return -EINVAL; - phy = state->ports[nr].phy; - if (!phy) - return -EINVAL; - ctrl = phy_read(phy, 0); - status = phy_read(phy, 1); - speed = phy_read(phy, 18); + ctrl = ip_phy_read(bus, nr, 0); + status = ip_phy_read(bus, nr, 1); + speed = ip_phy_read(bus, nr, 18); if (ctrl < 0 || status < 0 || speed < 0) return -EIO; @@ -1115,10 +1086,32 @@ static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_at return 0; } +static int ip175c_get_pvid(struct switch_dev *dev, int port, int *val) +{ + struct ip175c_state *state = dev->priv; + + *val = state->ports[port].pvid; + return 0; +} + +static int ip175c_set_pvid(struct switch_dev *dev, int port, int val) +{ + struct ip175c_state *state = dev->priv; + + state->ports[port].pvid = val; + + if (!REG_SUPP(state->regs->VLAN_DEFAULT_TAG_REG[port])) + return 0; + + return setPhy(state, state->regs->VLAN_DEFAULT_TAG_REG[port], val); +} + + enum Ports { IP175C_PORT_STATUS, IP175C_PORT_LINK, IP175C_PORT_TAGGED, + IP175C_PORT_PVID, }; enum Globals { @@ -1181,15 +1174,6 @@ static const struct switch_attr ip175c_global[] = { .get = ip175c_get_val, .set = ip175c_set_val, }, - [IP175C_REGISTER_ERRNO] = { - .id = IP175C_REGISTER_ERRNO, - .type = SWITCH_TYPE_INT, - .description = "Direct register access: returns last read or write error", - .name = "errno", - .get = ip175c_get_errno, - .set = NULL, - }, - }; static const struct switch_attr ip175c_vlan[] = { @@ -1244,6 +1228,8 @@ static int ip175c_probe(struct phy_device *pdev) dev->attr_vlan.attr = ip175c_vlan; dev->attr_vlan.n_attr = ARRAY_SIZE(ip175c_vlan); + dev->get_port_pvid = ip175c_get_pvid; + dev->set_port_pvid = ip175c_set_pvid; dev->get_vlan_ports = ip175c_get_ports; dev->set_vlan_ports = ip175c_set_ports; dev->apply_config = ip175c_apply; |