Lines Matching refs:state
103 // Pointers to functions which manipulate hardware state
104 int (*update_state)(struct ip17xx_state *state);
105 int (*set_vlan_mode)(struct ip17xx_state *state);
106 int (*reset)(struct ip17xx_state *state);
109 static int ip175c_update_state(struct ip17xx_state *state);
110 static int ip175c_set_vlan_mode(struct ip17xx_state *state);
111 static int ip175c_reset(struct ip17xx_state *state);
256 static int ip175d_update_state(struct ip17xx_state *state);
257 static int ip175d_set_vlan_mode(struct ip17xx_state *state);
258 static int ip175d_reset(struct ip17xx_state *state);
328 static int ip_phy_read(struct ip17xx_state *state, int port, int reg)
330 int val = mdiobus_read(state->mii_bus, port, reg);
340 static int ip_phy_write(struct ip17xx_state *state, int port, int reg, u16 val)
347 err = mdiobus_write(state->mii_bus, port, reg, val);
353 static int ip_phy_write_masked(struct ip17xx_state *state, int port, int reg, unsigned int mask, unsigned int data)
355 int val = ip_phy_read(state, port, reg);
358 return ip_phy_write(state, port, reg, (val & ~mask) | data);
361 static int getPhy(struct ip17xx_state *state, reg mii)
365 return ip_phy_read(state, mii.p, mii.m);
368 static int setPhy(struct ip17xx_state *state, reg mii, u16 value)
374 err = ip_phy_write(state, mii.p, mii.m, value);
378 getPhy(state, mii);
388 #define GET_PORT_BITS(state, bits, addr, bit_lookup) \
390 int i, val = getPhy((state), (addr)); \
401 #define SET_PORT_BITS(state, bits, addr, bit_lookup) \
403 int i, val = getPhy((state), (addr)); \
412 val = setPhy((state), (addr), val); \
418 static int get_model(struct ip17xx_state *state)
423 id1 = ip_phy_read(state, 0, 2);
424 id2 = ip_phy_read(state, 0, 3);
434 state->regs = &IP175A;
442 if (ip_phy_read(state, 5, 2) == 0x0243) {
443 state->regs = &IP178C;
445 chip_no = ip_phy_read(state, 20, 0);
448 state->regs = &IP175D;
450 state->regs = &IP175C;
463 static int ip175c_set_flags(struct ip17xx_state *state)
467 if (!REG_SUPP(state->regs->ROUTER_CONTROL_REG)) {
471 val = getPhy(state, state->regs->ROUTER_CONTROL_REG);
475 if (state->regs->ROUTER_EN_BIT >= 0) {
476 if (state->router_mode) {
477 val |= (1<<state->regs->ROUTER_EN_BIT);
479 val &= (~(1<<state->regs->ROUTER_EN_BIT));
482 if (state->regs->TAG_VLAN_BIT >= 0) {
483 if (state->vlan_enabled) {
484 val |= (1<<state->regs->TAG_VLAN_BIT);
486 val &= (~(1<<state->regs->TAG_VLAN_BIT));
489 if (state->regs->NUMLAN_GROUPS_BIT >= 0) {
490 val &= (~((state->regs->NUMLAN_GROUPS_MAX-1)<<state->regs->NUMLAN_GROUPS_BIT));
491 if (state->num_vlans > state->regs->NUMLAN_GROUPS_MAX) {
492 val |= state->regs->NUMLAN_GROUPS_MAX << state->regs->NUMLAN_GROUPS_BIT;
493 } else if (state->num_vlans >= 1) {
494 val |= (state->num_vlans-1) << state->regs->NUMLAN_GROUPS_BIT;
497 return setPhy(state, state->regs->ROUTER_CONTROL_REG, val);
500 /** Set all VLAN and port state. Usually you should call "correct_vlan_state" first. **/
501 static int ip175c_set_state(struct ip17xx_state *state)
505 SET_PORT_BITS(state, state->add_tag,
506 state->regs->ADD_TAG_REG, state->regs->ADD_TAG_BIT);
507 SET_PORT_BITS(state, state->remove_tag,
508 state->regs->REMOVE_TAG_REG, state->regs->REMOVE_TAG_BIT);
510 if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) {
511 for (j=0; j<state->regs->NUM_PORTS; j++) {
514 state->regs->VLAN_LOOKUP_EVEN_BIT:
515 state->regs->VLAN_LOOKUP_ODD_BIT;
517 addr = state->regs->VLAN_LOOKUP_REG;
518 if (state->regs->SIMPLE_VLAN_REGISTERS) {
533 addr = state->regs->VLAN_LOOKUP_REG_5;
540 //printf("shareports for %d is %02X\n",j,state->ports[j].shareports);
542 SET_PORT_BITS(state, state->ports[j].shareports, addr, bit_lookup);
546 if (REG_SUPP(state->regs->TAG_VLAN_MASK_REG)) {
548 reg addr = state->regs->TAG_VLAN_MASK_REG;
550 state->regs->TAG_VLAN_MASK_EVEN_BIT:
551 state->regs->TAG_VLAN_MASK_ODD_BIT;
553 if (state->regs->SIMPLE_VLAN_REGISTERS) {
558 vlan_mask = state->vlans[j].ports;
559 SET_PORT_BITS(state, vlan_mask, addr, bit_lookup);
564 if (REG_SUPP(state->regs->VLAN_DEFAULT_TAG_REG[i])) {
565 int err = setPhy(state, state->regs->VLAN_DEFAULT_TAG_REG[i],
566 state->ports[i].pvid);
573 return ip175c_set_flags(state);
580 static void ip175c_correct_vlan_state(struct ip17xx_state *state)
583 state->num_vlans = 0;
585 if (state->vlans[i].ports != 0) {
586 state->num_vlans = i+1; // Hack -- we need to store the "set" vlans somewhere...
590 for (i=0; i<state->regs->NUM_PORTS; i++) {
592 if (!state->vlan_enabled) {
594 state->ports[i].shareports = (1<<state->regs->NUM_PORTS)-1;
597 state->ports[i].shareports = portmask;
599 if (state->vlans[j].ports & portmask)
600 state->ports[i].shareports |= state->vlans[j].ports;
605 static int ip175c_update_state(struct ip17xx_state *state)
607 ip175c_correct_vlan_state(state);
608 return ip175c_set_state(state);
611 static int ip175c_set_vlan_mode(struct ip17xx_state *state)
613 return ip175c_update_state(state);
616 static int ip175c_reset(struct ip17xx_state *state)
620 if (REG_SUPP(state->regs->MODE_REG)) {
621 err = setPhy(state, state->regs->MODE_REG, state->regs->MODE_VAL);
624 err = getPhy(state, state->regs->MODE_REG);
629 return ip175c_update_state(state);
634 static int ip175d_update_state(struct ip17xx_state *state)
645 if (!state->vlan_enabled) {
646 err |= ip_phy_write(state, 22, 14+i, i+1); // default tags
650 if (!state->vlans[i].tag) {
652 err |= ip_phy_write(state, 22, 14+i, 0); // tag
656 err |= ip_phy_write(state, 22, 14+i, state->vlans[i].tag);
657 ports[i] = state->vlans[i].ports;
660 if (state->add_tag & (1 << j))
662 if (state->remove_tag & (1 << j))
670 err |= ip_phy_write(state, 23, i, ports[2*i] | (ports[2*i+1] << 8));
671 err |= ip_phy_write(state, 23, 8+i, add[2*i] | (add[2*i+1] << 8));
672 err |= ip_phy_write(state, 23, 16+i, rem[2*i] | (rem[2*i+1] << 8));
674 err |= ip_phy_write(state, 22, 10, filter_mask);
678 err |= ip_phy_write(state, 22, 4+i, state->vlans[state->ports[i].pvid].tag);
683 static int ip175d_set_vlan_mode(struct ip17xx_state *state)
688 if (state->vlan_enabled) {
691 err |= ip_phy_write_masked(state, 22, 0, 0x3fff, 0x003f);
696 err |= ip_phy_write_masked(state, 22, 1, 0x0fff, 0x0c3f);
699 err |= ip_phy_write_masked(state, 22, 2, 0x0fff, 0x0000);
702 err |= ip_phy_write_masked(state, 22, 0, 0xbfff, 0x8000);
705 err |= ip_phy_write_masked(state, 22, 1, 0x0fff, 0x0c3f);
706 err |= ip_phy_write_masked(state, 22, 2, 0x0fff, 0x0000);
711 state->ports[i].pvid = 0;
713 err |= ip175d_update_state(state);
718 static int ip175d_reset(struct ip17xx_state *state)
723 err |= ip_phy_write_masked(state, 21, 22, 0x0003, 0x0000);
726 err |= ip_phy_write(state, 22, 3, 0x8100);
728 state->vlan_enabled = 0;
729 err |= ip175d_set_vlan_mode(state);
738 struct ip17xx_state *state = get_state(dev);
740 val->value.i = state->vlan_enabled;
744 static void ip17xx_reset_vlan_config(struct ip17xx_state *state)
748 state->remove_tag = (state->vlan_enabled ? ((1<<state->regs->NUM_PORTS)-1) : 0x0000);
749 state->add_tag = 0x0000;
751 state->vlans[i].ports = 0x0000;
752 state->vlans[i].tag = (i ? i : 16);
755 state->ports[i].pvid = 0;
760 struct ip17xx_state *state = get_state(dev);
764 if (state->vlan_enabled == enable) {
765 // Do not change any state.
768 state->vlan_enabled = enable;
770 // Otherwise, if we are switching state, set fields to a known default.
771 ip17xx_reset_vlan_config(state);
773 return state->regs->set_vlan_mode(state);
778 struct ip17xx_state *state = get_state(dev);
786 ports = state->vlans[val->port_vlan].ports;
791 int istagged = ((state->add_tag >> b) & 1);
806 struct ip17xx_state *state = get_state(dev);
812 state->vlans[val->port_vlan].ports = 0;
815 state->vlans[val->port_vlan].ports |= bitmask;
817 state->add_tag |= bitmask;
818 state->remove_tag &= (~bitmask);
820 state->add_tag &= (~bitmask);
821 state->remove_tag |= bitmask;
825 return state->regs->update_state(state);
830 struct ip17xx_state *state = get_state(dev);
832 if (REG_SUPP(state->regs->MII_REGISTER_EN)) {
833 int val = getPhy(state, state->regs->MII_REGISTER_EN);
837 val |= (1<<state->regs->MII_REGISTER_EN_BIT);
838 return setPhy(state, state->regs->MII_REGISTER_EN, val);
845 struct ip17xx_state *state = get_state(dev);
848 if (REG_SUPP(state->regs->RESET_REG)) {
849 err = setPhy(state, state->regs->RESET_REG, state->regs->RESET_VAL);
852 err = getPhy(state, state->regs->RESET_REG);
863 for (i = 0; i < state->regs->NUM_PORTS-1; i++) {
864 err = ip_phy_write(state, i, MII_BMCR, BMCR_RESET);
869 state->router_mode = 0;
870 state->vlan_enabled = 0;
871 ip17xx_reset_vlan_config(state);
873 return state->regs->reset(state);
878 struct ip17xx_state *state = get_state(dev);
880 if (state->add_tag & (1<<val->port_vlan)) {
881 if (state->remove_tag & (1<<val->port_vlan))
886 if (state->remove_tag & (1<<val->port_vlan))
896 struct ip17xx_state *state = get_state(dev);
898 state->add_tag &= ~(1<<val->port_vlan);
899 state->remove_tag &= ~(1<<val->port_vlan);
902 state->remove_tag |= (1<<val->port_vlan);
904 state->add_tag |= (1<<val->port_vlan);
906 return state->regs->update_state(state);
912 struct ip17xx_state *state = get_state(dev);
914 val->value.i = state->proc_mii.p;
921 struct ip17xx_state *state = get_state(dev);
925 state->proc_mii.p = (u16)-1;
927 state->proc_mii.p = (u16)new_reg;
934 struct ip17xx_state *state = get_state(dev);
936 val->value.i = state->proc_mii.m;
943 struct ip17xx_state *state = get_state(dev);
947 state->proc_mii.m = (u16)-1;
949 state->proc_mii.m = (u16)new_reg;
953 /** Get the register content of state->proc_mii */
956 struct ip17xx_state *state = get_state(dev);
958 if (REG_SUPP(state->proc_mii))
959 retval = getPhy(state, state->proc_mii);
972 struct ip17xx_state *state = get_state(dev);
976 if (myval <= 0xffff && myval >= 0 && REG_SUPP(state->proc_mii)) {
977 err = setPhy(state, state->proc_mii, (u16)myval);
984 struct ip17xx_state *state = get_state(dev);
985 val->value.s = state->regs->NAME; // Just a const pointer, won't be freed by swconfig.
991 struct ip17xx_state *state = get_state(dev);
997 val->value.i = state->vlans[vlan].tag;
1003 struct ip17xx_state *state = get_state(dev);
1013 state->vlans[vlan].tag = tag;
1014 return state->regs->update_state(state);
1019 struct ip17xx_state *state = get_state(dev);
1036 if (nr == state->regs->CPU_PORT)
1042 ctrl = ip_phy_read(state, nr, 0);
1051 return ip_phy_write(state, nr, 0, ctrl);
1056 struct ip17xx_state *state = get_state(dev);
1060 if (nr == state->regs->CPU_PORT) {
1068 status = ip_phy_read(state, nr, 1);
1069 speed = ip_phy_read(state, nr, 18);
1083 struct ip17xx_state *state = get_state(dev);
1087 char *buf = state->buf; // fixed-length at 80.
1089 if (nr == state->regs->CPU_PORT) {
1098 ctrl = ip_phy_read(state, nr, 0);
1099 status = ip_phy_read(state, nr, 1);
1100 speed = ip_phy_read(state, nr, 18);
1127 struct ip17xx_state *state = get_state(dev);
1129 *val = state->ports[port].pvid;
1135 struct ip17xx_state *state = get_state(dev);
1140 state->ports[port].pvid = val;
1141 return state->regs->update_state(state);
1271 struct ip17xx_state *state;
1279 state = kzalloc(sizeof(*state), GFP_KERNEL);
1280 if (!state)
1283 dev = &state->dev;
1285 pdev->priv = state;
1286 state->mii_bus = pdev->bus;
1288 err = get_model(state);
1293 dev->cpu_port = state->regs->CPU_PORT;
1294 dev->ports = state->regs->NUM_PORTS;
1295 dev->name = state->regs->NAME;
1302 kfree(state);
1308 struct ip17xx_state *state = pdev->priv;
1312 err = register_switch(&state->dev, dev);
1316 state->registered = true;
1317 ip17xx_reset(&state->dev);
1323 struct ip17xx_state *state = pdev->priv;
1325 if (state->registered)
1326 unregister_switch(&state->dev);
1327 kfree(state);