| /* |
| * ip17xx.c: Swconfig configuration for IC+ IP17xx switch family |
| * |
| * Copyright (C) 2008 Patrick Horn <patrick.horn@gmail.com> |
| * Copyright (C) 2008, 2010 Martin Mares <mj@ucw.cz> |
| * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/list.h> |
| #include <linux/skbuff.h> |
| #include <linux/mii.h> |
| #include <linux/phy.h> |
| #include <linux/delay.h> |
| #include <net/switch.h> |
| #include <linux/device.h> |
| |
| #define MAX_VLANS 16 |
| #define MAX_PORTS 9 |
| #undef DUMP_MII_IO |
| |
| typedef struct ip17xx_reg { |
| u16 p; // phy |
| u16 m; // mii |
| } reg; |
| typedef char bitnum; |
| |
| #define NOTSUPPORTED {-1,-1} |
| |
| #define REG_SUPP(x) (((x).m != ((u16)-1)) && ((x).p != (u16)-1)) |
| |
| struct ip17xx_state; |
| |
| /*********** CONSTANTS ***********/ |
| struct register_mappings { |
| char *NAME; |
| u16 MODEL_NO; // Compare to bits 4-9 of MII register 0,3. |
| bitnum NUM_PORTS; |
| bitnum CPU_PORT; |
| |
| /* The default VLAN for each port. |
| Default: 0x0001 for Ports 0,1,2,3 |
| 0x0002 for Ports 4,5 */ |
| reg VLAN_DEFAULT_TAG_REG[MAX_PORTS]; |
| |
| /* These ports are tagged. |
| Default: 0x00 */ |
| reg ADD_TAG_REG; |
| reg REMOVE_TAG_REG; |
| bitnum ADD_TAG_BIT[MAX_PORTS]; |
| /* These ports are untagged. |
| Default: 0x00 (i.e. do not alter any VLAN tags...) |
| Maybe set to 0 if user disables VLANs. */ |
| bitnum REMOVE_TAG_BIT[MAX_PORTS]; |
| |
| /* Port M and Port N are on the same VLAN. |
| Default: All ports on all VLANs. */ |
| // Use register {29, 19+N/2} |
| reg VLAN_LOOKUP_REG; |
| // Port 5 uses register {30, 18} but same as odd bits. |
| reg VLAN_LOOKUP_REG_5; // in a different register on IP175C. |
| bitnum VLAN_LOOKUP_EVEN_BIT[MAX_PORTS]; |
| bitnum VLAN_LOOKUP_ODD_BIT[MAX_PORTS]; |
| |
| /* This VLAN corresponds to which ports. |
| Default: 0x2f,0x30,0x3f,0x3f... */ |
| reg TAG_VLAN_MASK_REG; |
| bitnum TAG_VLAN_MASK_EVEN_BIT[MAX_PORTS]; |
| bitnum TAG_VLAN_MASK_ODD_BIT[MAX_PORTS]; |
| |
| int RESET_VAL; |
| reg RESET_REG; |
| |
| reg MODE_REG; |
| int MODE_VAL; |
| |
| /* General flags */ |
| reg ROUTER_CONTROL_REG; |
| reg VLAN_CONTROL_REG; |
| bitnum TAG_VLAN_BIT; |
| bitnum ROUTER_EN_BIT; |
| bitnum NUMLAN_GROUPS_MAX; |
| bitnum NUMLAN_GROUPS_BIT; |
| |
| reg MII_REGISTER_EN; |
| bitnum MII_REGISTER_EN_BIT; |
| |
| // set to 1 for 178C, 0 for 175C. |
| bitnum SIMPLE_VLAN_REGISTERS; // 175C has two vlans per register but 178C has only one. |
| |
| // Pointers to functions which manipulate hardware state |
| int (*update_state)(struct ip17xx_state *state); |
| int (*set_vlan_mode)(struct ip17xx_state *state); |
| int (*reset)(struct ip17xx_state *state); |
| }; |
| |
| static int ip175c_update_state(struct ip17xx_state *state); |
| static int ip175c_set_vlan_mode(struct ip17xx_state *state); |
| static int ip175c_reset(struct ip17xx_state *state); |
| |
| static const struct register_mappings IP178C = { |
| .NAME = "IP178C", |
| .MODEL_NO = 0x18, |
| .VLAN_DEFAULT_TAG_REG = { |
| {30,3},{30,4},{30,5},{30,6},{30,7},{30,8}, |
| {30,9},{30,10},{30,11}, |
| }, |
| |
| .ADD_TAG_REG = {30,12}, |
| .ADD_TAG_BIT = {0,1,2,3,4,5,6,7,8}, |
| .REMOVE_TAG_REG = {30,13}, |
| .REMOVE_TAG_BIT = {4,5,6,7,8,9,10,11,12}, |
| |
| .SIMPLE_VLAN_REGISTERS = 1, |
| |
| .VLAN_LOOKUP_REG = {31,0},// +N |
| .VLAN_LOOKUP_REG_5 = NOTSUPPORTED, // not used with SIMPLE_VLAN_REGISTERS |
| .VLAN_LOOKUP_EVEN_BIT = {0,1,2,3,4,5,6,7,8}, |
| .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,5,6,7,8}, |
| |
| .TAG_VLAN_MASK_REG = {30,14}, // +N |
| .TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,6,7,8}, |
| .TAG_VLAN_MASK_ODD_BIT = {0,1,2,3,4,5,6,7,8}, |
| |
| .RESET_VAL = 0x55AA, |
| .RESET_REG = {30,0}, |
| .MODE_VAL = 0, |
| .MODE_REG = NOTSUPPORTED, |
| |
| .ROUTER_CONTROL_REG = {30,30}, |
| .ROUTER_EN_BIT = 11, |
| .NUMLAN_GROUPS_MAX = 8, |
| .NUMLAN_GROUPS_BIT = 8, // {0-2} |
| |
| .VLAN_CONTROL_REG = {30,13}, |
| .TAG_VLAN_BIT = 3, |
| |
| .CPU_PORT = 8, |
| .NUM_PORTS = 9, |
| |
| .MII_REGISTER_EN = NOTSUPPORTED, |
| |
| .update_state = ip175c_update_state, |
| .set_vlan_mode = ip175c_set_vlan_mode, |
| .reset = ip175c_reset, |
| }; |
| |
| static const struct register_mappings IP175C = { |
| .NAME = "IP175C", |
| .MODEL_NO = 0x18, |
| .VLAN_DEFAULT_TAG_REG = { |
| {29,24},{29,25},{29,26},{29,27},{29,28},{29,30}, |
| NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED |
| }, |
| |
| .ADD_TAG_REG = {29,23}, |
| .REMOVE_TAG_REG = {29,23}, |
| .ADD_TAG_BIT = {11,12,13,14,15,1,-1,-1,-1}, |
| .REMOVE_TAG_BIT = {6,7,8,9,10,0,-1,-1,-1}, |
| |
| .SIMPLE_VLAN_REGISTERS = 0, |
| |
| .VLAN_LOOKUP_REG = {29,19},// +N/2 |
| .VLAN_LOOKUP_REG_5 = {30,18}, |
| .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,15,-1,-1,-1}, |
| .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,7,-1,-1,-1}, |
| |
| .TAG_VLAN_MASK_REG = {30,1}, // +N/2 |
| .TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,-1,-1,-1}, |
| .TAG_VLAN_MASK_ODD_BIT = {8,9,10,11,12,13,-1,-1,-1}, |
| |
| .RESET_VAL = 0x175C, |
| .RESET_REG = {30,0}, |
| .MODE_VAL = 0x175C, |
| .MODE_REG = {29,31}, |
| |
| .ROUTER_CONTROL_REG = {30,9}, |
| .ROUTER_EN_BIT = 3, |
| .NUMLAN_GROUPS_MAX = 8, |
| .NUMLAN_GROUPS_BIT = 0, // {0-2} |
| |
| .VLAN_CONTROL_REG = {30,9}, |
| .TAG_VLAN_BIT = 7, |
| |
| .NUM_PORTS = 6, |
| .CPU_PORT = 5, |
| |
| .MII_REGISTER_EN = NOTSUPPORTED, |
| |
| .update_state = ip175c_update_state, |
| .set_vlan_mode = ip175c_set_vlan_mode, |
| .reset = ip175c_reset, |
| }; |
| |
| static const struct register_mappings IP175A = { |
| .NAME = "IP175A", |
| .MODEL_NO = 0x05, |
| .VLAN_DEFAULT_TAG_REG = { |
| {0,24},{0,25},{0,26},{0,27},{0,28},NOTSUPPORTED, |
| NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED |
| }, |
| |
| .ADD_TAG_REG = {0,23}, |
| .REMOVE_TAG_REG = {0,23}, |
| .ADD_TAG_BIT = {11,12,13,14,15,-1,-1,-1,-1}, |
| .REMOVE_TAG_BIT = {6,7,8,9,10,-1,-1,-1,-1}, |
| |
| .SIMPLE_VLAN_REGISTERS = 0, |
| |
| // Only programmable via EEPROM |
| .VLAN_LOOKUP_REG = NOTSUPPORTED,// +N/2 |
| .VLAN_LOOKUP_REG_5 = NOTSUPPORTED, |
| .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,-1,-1,-1,-1}, |
| .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,-1,-1,-1,-1}, |
| |
| .TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2, |
| .TAG_VLAN_MASK_EVEN_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1}, |
| .TAG_VLAN_MASK_ODD_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1}, |
| |
| .RESET_VAL = -1, |
| .RESET_REG = NOTSUPPORTED, |
| .MODE_VAL = 0, |
| .MODE_REG = NOTSUPPORTED, |
| |
| .ROUTER_CONTROL_REG = NOTSUPPORTED, |
| .VLAN_CONTROL_REG = NOTSUPPORTED, |
| .TAG_VLAN_BIT = -1, |
| .ROUTER_EN_BIT = -1, |
| .NUMLAN_GROUPS_MAX = -1, |
| .NUMLAN_GROUPS_BIT = -1, // {0-2} |
| |
| .NUM_PORTS = 5, |
| .CPU_PORT = 4, |
| |
| .MII_REGISTER_EN = {0, 18}, |
| .MII_REGISTER_EN_BIT = 7, |
| |
| .update_state = ip175c_update_state, |
| .set_vlan_mode = ip175c_set_vlan_mode, |
| .reset = ip175c_reset, |
| }; |
| |
| |
| static int ip175d_update_state(struct ip17xx_state *state); |
| static int ip175d_set_vlan_mode(struct ip17xx_state *state); |
| static int ip175d_reset(struct ip17xx_state *state); |
| |
| static const struct register_mappings IP175D = { |
| .NAME = "IP175D", |
| .MODEL_NO = 0x18, |
| |
| // The IP175D has a completely different interface, so we leave most |
| // of the registers undefined and switch to different code paths. |
| |
| .VLAN_DEFAULT_TAG_REG = { |
| NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED, |
| NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED,NOTSUPPORTED, |
| }, |
| |
| .ADD_TAG_REG = NOTSUPPORTED, |
| .REMOVE_TAG_REG = NOTSUPPORTED, |
| |
| .SIMPLE_VLAN_REGISTERS = 0, |
| |
| .VLAN_LOOKUP_REG = NOTSUPPORTED, |
| .VLAN_LOOKUP_REG_5 = NOTSUPPORTED, |
| .TAG_VLAN_MASK_REG = NOTSUPPORTED, |
| |
| .RESET_VAL = 0x175D, |
| .RESET_REG = {20,2}, |
| .MODE_REG = NOTSUPPORTED, |
| |
| .ROUTER_CONTROL_REG = NOTSUPPORTED, |
| .ROUTER_EN_BIT = -1, |
| .NUMLAN_GROUPS_BIT = -1, |
| |
| .VLAN_CONTROL_REG = NOTSUPPORTED, |
| .TAG_VLAN_BIT = -1, |
| |
| .NUM_PORTS = 6, |
| .CPU_PORT = 5, |
| |
| .MII_REGISTER_EN = NOTSUPPORTED, |
| |
| .update_state = ip175d_update_state, |
| .set_vlan_mode = ip175d_set_vlan_mode, |
| .reset = ip175d_reset, |
| }; |
| |
| struct ip17xx_state { |
| struct switch_dev dev; |
| struct mii_bus *mii_bus; |
| bool registered; |
| |
| int router_mode; // ROUTER_EN |
| int vlan_enabled; // TAG_VLAN_EN |
| struct port_state { |
| u16 pvid; |
| unsigned int shareports; |
| } ports[MAX_PORTS]; |
| unsigned int add_tag; |
| unsigned int remove_tag; |
| int num_vlans; |
| struct vlan_state { |
| unsigned int ports; |
| unsigned int tag; // VLAN tag (IP175D only) |
| } vlans[MAX_VLANS]; |
| const struct register_mappings *regs; |
| reg proc_mii; // phy/reg for the low level register access via swconfig |
| |
| char buf[80]; |
| }; |
| |
| #define get_state(_dev) container_of((_dev), struct ip17xx_state, dev) |
| |
| static int ip_phy_read(struct ip17xx_state *state, int port, int reg) |
| { |
| int val = mdiobus_read(state->mii_bus, port, reg); |
| if (val < 0) |
| pr_warning("IP17xx: Unable to get MII register %d,%d: error %d\n", port, reg, -val); |
| #ifdef DUMP_MII_IO |
| else |
| pr_debug("IP17xx: Read MII(%d,%d) -> %04x\n", port, reg, val); |
| #endif |
| return val; |
| } |
| |
| static int ip_phy_write(struct ip17xx_state *state, int port, int reg, u16 val) |
| { |
| int err; |
| |
| #ifdef DUMP_MII_IO |
| pr_debug("IP17xx: Write MII(%d,%d) <- %04x\n", port, reg, val); |
| #endif |
| err = mdiobus_write(state->mii_bus, port, reg, val); |
| if (err < 0) |
| pr_warning("IP17xx: Unable to write MII register %d,%d: error %d\n", port, reg, -err); |
| return err; |
| } |
| |
| static int ip_phy_write_masked(struct ip17xx_state *state, int port, int reg, unsigned int mask, unsigned int data) |
| { |
| int val = ip_phy_read(state, port, reg); |
| if (val < 0) |
| return 0; |
| return ip_phy_write(state, port, reg, (val & ~mask) | data); |
| } |
| |
| static int getPhy(struct ip17xx_state *state, reg mii) |
| { |
| if (!REG_SUPP(mii)) |
| return -EFAULT; |
| return ip_phy_read(state, mii.p, mii.m); |
| } |
| |
| static int setPhy(struct ip17xx_state *state, reg mii, u16 value) |
| { |
| int err; |
| |
| if (!REG_SUPP(mii)) |
| return -EFAULT; |
| err = ip_phy_write(state, mii.p, mii.m, value); |
| if (err < 0) |
| return err; |
| mdelay(2); |
| getPhy(state, mii); |
| return 0; |
| } |
| |
| |
| /** |
| * These two macros are to simplify the mapping of logical bits to the bits in hardware. |
| * NOTE: these macros will return if there is an error! |
| */ |
| |
| #define GET_PORT_BITS(state, bits, addr, bit_lookup) \ |
| do { \ |
| int i, val = getPhy((state), (addr)); \ |
| if (val < 0) \ |
| return val; \ |
| (bits) = 0; \ |
| for (i = 0; i < MAX_PORTS; i++) { \ |
| if ((bit_lookup)[i] == -1) continue; \ |
| if (val & (1<<(bit_lookup)[i])) \ |
| (bits) |= (1<<i); \ |
| } \ |
| } while (0) |
| |
| #define SET_PORT_BITS(state, bits, addr, bit_lookup) \ |
| do { \ |
| int i, val = getPhy((state), (addr)); \ |
| if (val < 0) \ |
| return val; \ |
| for (i = 0; i < MAX_PORTS; i++) { \ |
| unsigned int newmask = ((bits)&(1<<i)); \ |
| if ((bit_lookup)[i] == -1) continue; \ |
| val &= ~(1<<(bit_lookup)[i]); \ |
| val |= ((newmask>>i)<<(bit_lookup)[i]); \ |
| } \ |
| val = setPhy((state), (addr), val); \ |
| if (val < 0) \ |
| return val; \ |
| } while (0) |
| |
| |
| static int get_model(struct ip17xx_state *state) |
| { |
| int id1, id2; |
| int oui_id, model_no, rev_no, chip_no; |
| |
| id1 = ip_phy_read(state, 0, 2); |
| id2 = ip_phy_read(state, 0, 3); |
| oui_id = (id1 << 6) | ((id2 >> 10) & 0x3f); |
| model_no = (id2 >> 4) & 0x3f; |
| rev_no = id2 & 0xf; |
| pr_debug("IP17xx: Identified oui=%06x model=%02x rev=%X\n", oui_id, model_no, rev_no); |
| |
| if (oui_id != 0x0090c3) // No other oui_id should have reached us anyway |
| return -ENODEV; |
| |
| if (model_no == IP175A.MODEL_NO) { |
| state->regs = &IP175A; |
| } else if (model_no == IP175C.MODEL_NO) { |
| /* |
| * Several models share the same model_no: |
| * 178C has more PHYs, so we try whether the device responds to a read from PHY5 |
| * 175D has a new chip ID register |
| * 175C has neither |
| */ |
| if (ip_phy_read(state, 5, 2) == 0x0243) { |
| state->regs = &IP178C; |
| } else { |
| chip_no = ip_phy_read(state, 20, 0); |
| pr_debug("IP17xx: Chip ID register reads %04x\n", chip_no); |
| if (chip_no == 0x175d) { |
| state->regs = &IP175D; |
| } else { |
| state->regs = &IP175C; |
| } |
| } |
| } else { |
| pr_warning("IP17xx: Found an unknown IC+ switch with model number %02x, revision %X.\n", model_no, rev_no); |
| return -EPERM; |
| } |
| return 0; |
| } |
| |
| /*** Low-level functions for the older models ***/ |
| |
| /** Only set vlan and router flags in the switch **/ |
| static int ip175c_set_flags(struct ip17xx_state *state) |
| { |
| int val; |
| |
| if (!REG_SUPP(state->regs->ROUTER_CONTROL_REG)) { |
| return 0; |
| } |
| |
| val = getPhy(state, state->regs->ROUTER_CONTROL_REG); |
| if (val < 0) { |
| return val; |
| } |
| if (state->regs->ROUTER_EN_BIT >= 0) { |
| if (state->router_mode) { |
| val |= (1<<state->regs->ROUTER_EN_BIT); |
| } else { |
| val &= (~(1<<state->regs->ROUTER_EN_BIT)); |
| } |
| } |
| if (state->regs->TAG_VLAN_BIT >= 0) { |
| if (state->vlan_enabled) { |
| val |= (1<<state->regs->TAG_VLAN_BIT); |
| } else { |
| val &= (~(1<<state->regs->TAG_VLAN_BIT)); |
| } |
| } |
| if (state->regs->NUMLAN_GROUPS_BIT >= 0) { |
| val &= (~((state->regs->NUMLAN_GROUPS_MAX-1)<<state->regs->NUMLAN_GROUPS_BIT)); |
| if (state->num_vlans > state->regs->NUMLAN_GROUPS_MAX) { |
| val |= state->regs->NUMLAN_GROUPS_MAX << state->regs->NUMLAN_GROUPS_BIT; |
| } else if (state->num_vlans >= 1) { |
| val |= (state->num_vlans-1) << state->regs->NUMLAN_GROUPS_BIT; |
| } |
| } |
| return setPhy(state, state->regs->ROUTER_CONTROL_REG, val); |
| } |
| |
| /** Set all VLAN and port state. Usually you should call "correct_vlan_state" first. **/ |
| static int ip175c_set_state(struct ip17xx_state *state) |
| { |
| int j; |
| int i; |
| SET_PORT_BITS(state, state->add_tag, |
| state->regs->ADD_TAG_REG, state->regs->ADD_TAG_BIT); |
| SET_PORT_BITS(state, state->remove_tag, |
| state->regs->REMOVE_TAG_REG, state->regs->REMOVE_TAG_BIT); |
| |
| if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) { |
| for (j=0; j<state->regs->NUM_PORTS; j++) { |
| reg addr; |
| const bitnum *bit_lookup = (j%2==0)? |
| state->regs->VLAN_LOOKUP_EVEN_BIT: |
| state->regs->VLAN_LOOKUP_ODD_BIT; |
| |
| addr = state->regs->VLAN_LOOKUP_REG; |
| if (state->regs->SIMPLE_VLAN_REGISTERS) { |
| addr.m += j; |
| } else { |
| switch (j) { |
| case 0: |
| case 1: |
| break; |
| case 2: |
| case 3: |
| addr.m+=1; |
| break; |
| case 4: |
| addr.m+=2; |
| break; |
| case 5: |
| addr = state->regs->VLAN_LOOKUP_REG_5; |
| break; |
| default: |
| addr.m = -1; // shouldn't get here, but... |
| break; |
| } |
| } |
| //printf("shareports for %d is %02X\n",j,state->ports[j].shareports); |
| if (REG_SUPP(addr)) { |
| SET_PORT_BITS(state, state->ports[j].shareports, addr, bit_lookup); |
| } |
| } |
| } |
| if (REG_SUPP(state->regs->TAG_VLAN_MASK_REG)) { |
| for (j=0; j<MAX_VLANS; j++) { |
| reg addr = state->regs->TAG_VLAN_MASK_REG; |
| const bitnum *bit_lookup = (j%2==0)? |
| state->regs->TAG_VLAN_MASK_EVEN_BIT: |
| state->regs->TAG_VLAN_MASK_ODD_BIT; |
| unsigned int vlan_mask; |
| if (state->regs->SIMPLE_VLAN_REGISTERS) { |
| addr.m += j; |
| } else { |
| addr.m += j/2; |
| } |
| vlan_mask = state->vlans[j].ports; |
| SET_PORT_BITS(state, vlan_mask, addr, bit_lookup); |
| } |
| } |
| |
| 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].pvid); |
| if (err < 0) { |
| return err; |
| } |
| } |
| } |
| |
| return ip175c_set_flags(state); |
| } |
| |
| /** |
| * Uses only the VLAN port mask and the add tag mask to generate the other fields: |
| * which ports are part of the same VLAN, removing vlan tags, and VLAN tag ids. |
| */ |
| static void ip175c_correct_vlan_state(struct ip17xx_state *state) |
| { |
| int i, j; |
| state->num_vlans = 0; |
| for (i=0; i<MAX_VLANS; i++) { |
| if (state->vlans[i].ports != 0) { |
| state->num_vlans = i+1; // Hack -- we need to store the "set" vlans somewhere... |
| } |
| } |
| |
| for (i=0; i<state->regs->NUM_PORTS; i++) { |
| unsigned int portmask = (1<<i); |
| 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->vlans[j].ports & portmask) |
| state->ports[i].shareports |= state->vlans[j].ports; |
| } |
| } |
| } |
| |
| static int ip175c_update_state(struct ip17xx_state *state) |
| { |
| ip175c_correct_vlan_state(state); |
| return ip175c_set_state(state); |
| } |
| |
| static int ip175c_set_vlan_mode(struct ip17xx_state *state) |
| { |
| return ip175c_update_state(state); |
| } |
| |
| static int ip175c_reset(struct ip17xx_state *state) |
| { |
| int err; |
| |
| if (REG_SUPP(state->regs->MODE_REG)) { |
| err = setPhy(state, state->regs->MODE_REG, state->regs->MODE_VAL); |
| if (err < 0) |
| return err; |
| err = getPhy(state, state->regs->MODE_REG); |
| if (err < 0) |
| return err; |
| } |
| |
| return ip175c_update_state(state); |
| } |
| |
| /*** Low-level functions for IP175D ***/ |
| |
| static int ip175d_update_state(struct ip17xx_state *state) |
| { |
| unsigned int filter_mask = 0; |
| unsigned int ports[16], add[16], rem[16]; |
| int i, j; |
| int err = 0; |
| |
| for (i = 0; i < 16; i++) { |
| ports[i] = 0; |
| add[i] = 0; |
| rem[i] = 0; |
| if (!state->vlan_enabled) { |
| err |= ip_phy_write(state, 22, 14+i, i+1); // default tags |
| ports[i] = 0x3f; |
| continue; |
| } |
| if (!state->vlans[i].tag) { |
| // Reset the filter |
| err |= ip_phy_write(state, 22, 14+i, 0); // tag |
| continue; |
| } |
| filter_mask |= 1 << i; |
| err |= ip_phy_write(state, 22, 14+i, state->vlans[i].tag); |
| ports[i] = state->vlans[i].ports; |
| for (j = 0; j < 6; j++) { |
| if (ports[i] & (1 << j)) { |
| if (state->add_tag & (1 << j)) |
| add[i] |= 1 << j; |
| if (state->remove_tag & (1 << j)) |
| rem[i] |= 1 << j; |
| } |
| } |
| } |
| |
| // Port masks, tag adds and removals |
| for (i = 0; i < 8; i++) { |
| err |= ip_phy_write(state, 23, i, ports[2*i] | (ports[2*i+1] << 8)); |
| err |= ip_phy_write(state, 23, 8+i, add[2*i] | (add[2*i+1] << 8)); |
| err |= ip_phy_write(state, 23, 16+i, rem[2*i] | (rem[2*i+1] << 8)); |
| } |
| err |= ip_phy_write(state, 22, 10, filter_mask); |
| |
| // Default VLAN tag for each port |
| for (i = 0; i < 6; i++) |
| err |= ip_phy_write(state, 22, 4+i, state->vlans[state->ports[i].pvid].tag); |
| |
| return (err ? -EIO : 0); |
| } |
| |
| static int ip175d_set_vlan_mode(struct ip17xx_state *state) |
| { |
| int i; |
| int err = 0; |
| |
| if (state->vlan_enabled) { |
| // VLAN classification rules: tag-based VLANs, use VID to classify, |
| // drop packets that cannot be classified. |
| err |= ip_phy_write_masked(state, 22, 0, 0x3fff, 0x003f); |
| |
| // Ingress rules: CFI=1 dropped, null VID is untagged, VID=1 passed, |
| // VID=0xfff discarded, admin both tagged and untagged, ingress |
| // filters enabled. |
| err |= ip_phy_write_masked(state, 22, 1, 0x0fff, 0x0c3f); |
| |
| // Egress rules: IGMP processing off, keep VLAN header off |
| err |= ip_phy_write_masked(state, 22, 2, 0x0fff, 0x0000); |
| } else { |
| // VLAN classification rules: everything off & clear table |
| err |= ip_phy_write_masked(state, 22, 0, 0xbfff, 0x8000); |
| |
| // Ingress and egress rules: set to defaults |
| err |= ip_phy_write_masked(state, 22, 1, 0x0fff, 0x0c3f); |
| err |= ip_phy_write_masked(state, 22, 2, 0x0fff, 0x0000); |
| } |
| |
| // Reset default VLAN for each port to 0 |
| for (i = 0; i < 6; i++) |
| state->ports[i].pvid = 0; |
| |
| err |= ip175d_update_state(state); |
| |
| return (err ? -EIO : 0); |
| } |
| |
| static int ip175d_reset(struct ip17xx_state *state) |
| { |
| int err = 0; |
| |
| // Disable the special tagging mode |
| err |= ip_phy_write_masked(state, 21, 22, 0x0003, 0x0000); |
| |
| // Set 802.1q protocol type |
| err |= ip_phy_write(state, 22, 3, 0x8100); |
| |
| state->vlan_enabled = 0; |
| err |= ip175d_set_vlan_mode(state); |
| |
| return (err ? -EIO : 0); |
| } |
| |
| /*** High-level functions ***/ |
| |
| static int ip17xx_get_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| val->value.i = state->vlan_enabled; |
| return 0; |
| } |
| |
| static void ip17xx_reset_vlan_config(struct ip17xx_state *state) |
| { |
| int i; |
| |
| state->remove_tag = (state->vlan_enabled ? ((1<<state->regs->NUM_PORTS)-1) : 0x0000); |
| state->add_tag = 0x0000; |
| for (i = 0; i < MAX_VLANS; i++) { |
| state->vlans[i].ports = 0x0000; |
| state->vlans[i].tag = (i ? i : 16); |
| } |
| for (i = 0; i < MAX_PORTS; i++) |
| state->ports[i].pvid = 0; |
| } |
| |
| static int ip17xx_set_enable_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int enable; |
| |
| enable = val->value.i; |
| if (state->vlan_enabled == enable) { |
| // Do not change any state. |
| return 0; |
| } |
| state->vlan_enabled = enable; |
| |
| // Otherwise, if we are switching state, set fields to a known default. |
| ip17xx_reset_vlan_config(state); |
| |
| return state->regs->set_vlan_mode(state); |
| } |
| |
| static int ip17xx_get_ports(struct switch_dev *dev, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int b; |
| int ind; |
| unsigned int ports; |
| |
| if (val->port_vlan >= dev->vlans || val->port_vlan < 0) |
| return -EINVAL; |
| |
| ports = state->vlans[val->port_vlan].ports; |
| b = 0; |
| ind = 0; |
| while (b < MAX_PORTS) { |
| if (ports&1) { |
| int istagged = ((state->add_tag >> b) & 1); |
| val->value.ports[ind].id = b; |
| val->value.ports[ind].flags = (istagged << SWITCH_PORT_FLAG_TAGGED); |
| ind++; |
| } |
| b++; |
| ports >>= 1; |
| } |
| val->len = ind; |
| |
| return 0; |
| } |
| |
| static int ip17xx_set_ports(struct switch_dev *dev, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int i; |
| |
| if (val->port_vlan >= dev->vlans || val->port_vlan < 0) |
| return -EINVAL; |
| |
| state->vlans[val->port_vlan].ports = 0; |
| for (i = 0; i < val->len; i++) { |
| unsigned int bitmask = (1<<val->value.ports[i].id); |
| state->vlans[val->port_vlan].ports |= bitmask; |
| if (val->value.ports[i].flags & (1<<SWITCH_PORT_FLAG_TAGGED)) { |
| state->add_tag |= bitmask; |
| state->remove_tag &= (~bitmask); |
| } else { |
| state->add_tag &= (~bitmask); |
| state->remove_tag |= bitmask; |
| } |
| } |
| |
| return state->regs->update_state(state); |
| } |
| |
| static int ip17xx_apply(struct switch_dev *dev) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| if (REG_SUPP(state->regs->MII_REGISTER_EN)) { |
| int val = getPhy(state, state->regs->MII_REGISTER_EN); |
| if (val < 0) { |
| return val; |
| } |
| val |= (1<<state->regs->MII_REGISTER_EN_BIT); |
| return setPhy(state, state->regs->MII_REGISTER_EN, val); |
| } |
| return 0; |
| } |
| |
| static int ip17xx_reset(struct switch_dev *dev) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int i, err; |
| |
| if (REG_SUPP(state->regs->RESET_REG)) { |
| err = setPhy(state, state->regs->RESET_REG, state->regs->RESET_VAL); |
| if (err < 0) |
| return err; |
| err = getPhy(state, state->regs->RESET_REG); |
| |
| /* |
| * Data sheet specifies reset period to be 2 msec. |
| * (I don't see any mention of the 2ms delay in the IP178C spec, only |
| * in IP175C, but it can't hurt.) |
| */ |
| mdelay(2); |
| } |
| |
| /* reset switch ports */ |
| for (i = 0; i < state->regs->NUM_PORTS-1; i++) { |
| err = ip_phy_write(state, i, MII_BMCR, BMCR_RESET); |
| if (err < 0) |
| return err; |
| } |
| |
| state->router_mode = 0; |
| state->vlan_enabled = 0; |
| ip17xx_reset_vlan_config(state); |
| |
| return state->regs->reset(state); |
| } |
| |
| static int ip17xx_get_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| if (state->add_tag & (1<<val->port_vlan)) { |
| if (state->remove_tag & (1<<val->port_vlan)) |
| val->value.i = 3; // shouldn't ever happen. |
| else |
| val->value.i = 1; |
| } else { |
| if (state->remove_tag & (1<<val->port_vlan)) |
| val->value.i = 0; |
| else |
| val->value.i = 2; |
| } |
| return 0; |
| } |
| |
| static int ip17xx_set_tagged(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| state->add_tag &= ~(1<<val->port_vlan); |
| state->remove_tag &= ~(1<<val->port_vlan); |
| |
| if (val->value.i == 0) |
| state->remove_tag |= (1<<val->port_vlan); |
| if (val->value.i == 1) |
| state->add_tag |= (1<<val->port_vlan); |
| |
| return state->regs->update_state(state); |
| } |
| |
| /** Get the current phy address */ |
| static int ip17xx_get_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| val->value.i = state->proc_mii.p; |
| return 0; |
| } |
| |
| /** Set a new phy address for low level access to registers */ |
| static int ip17xx_set_phy(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int new_reg = val->value.i; |
| |
| if (new_reg < 0 || new_reg > 31) |
| state->proc_mii.p = (u16)-1; |
| else |
| state->proc_mii.p = (u16)new_reg; |
| return 0; |
| } |
| |
| /** Get the current register number */ |
| static int ip17xx_get_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| val->value.i = state->proc_mii.m; |
| return 0; |
| } |
| |
| /** Set a new register address for low level access to registers */ |
| static int ip17xx_set_reg(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int new_reg = val->value.i; |
| |
| if (new_reg < 0 || new_reg > 31) |
| state->proc_mii.m = (u16)-1; |
| else |
| state->proc_mii.m = (u16)new_reg; |
| return 0; |
| } |
| |
| /** Get the register content of state->proc_mii */ |
| static int ip17xx_get_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int retval = -EINVAL; |
| if (REG_SUPP(state->proc_mii)) |
| retval = getPhy(state, state->proc_mii); |
| |
| if (retval < 0) { |
| return retval; |
| } else { |
| val->value.i = retval; |
| return 0; |
| } |
| } |
| |
| /** Write a value to the register defined by phy/reg above */ |
| static int ip17xx_set_val(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int myval, err = -EINVAL; |
| |
| myval = val->value.i; |
| if (myval <= 0xffff && myval >= 0 && REG_SUPP(state->proc_mii)) { |
| err = setPhy(state, state->proc_mii, (u16)myval); |
| } |
| return err; |
| } |
| |
| static int ip17xx_read_name(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| val->value.s = state->regs->NAME; // Just a const pointer, won't be freed by swconfig. |
| return 0; |
| } |
| |
| static int ip17xx_get_tag(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int vlan = val->port_vlan; |
| |
| if (vlan < 0 || vlan >= MAX_VLANS) |
| return -EINVAL; |
| |
| val->value.i = state->vlans[vlan].tag; |
| return 0; |
| } |
| |
| static int ip17xx_set_tag(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int vlan = val->port_vlan; |
| int tag = val->value.i; |
| |
| if (vlan < 0 || vlan >= MAX_VLANS) |
| return -EINVAL; |
| |
| if (tag < 0 || tag > 4095) |
| return -EINVAL; |
| |
| state->vlans[vlan].tag = tag; |
| return state->regs->update_state(state); |
| } |
| |
| static int ip17xx_set_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int nr = val->port_vlan; |
| int ctrl; |
| int autoneg; |
| int speed; |
| if (val->value.i == 100) { |
| speed = 1; |
| autoneg = 0; |
| } else if (val->value.i == 10) { |
| speed = 0; |
| autoneg = 0; |
| } else { |
| autoneg = 1; |
| speed = 1; |
| } |
| |
| /* Can't set speed for cpu port */ |
| if (nr == state->regs->CPU_PORT) |
| return -EINVAL; |
| |
| if (nr >= dev->ports || nr < 0) |
| return -EINVAL; |
| |
| ctrl = ip_phy_read(state, nr, 0); |
| if (ctrl < 0) |
| return -EIO; |
| |
| ctrl &= (~(1<<12)); |
| ctrl &= (~(1<<13)); |
| ctrl |= (autoneg<<12); |
| ctrl |= (speed<<13); |
| |
| return ip_phy_write(state, nr, 0, ctrl); |
| } |
| |
| static int ip17xx_get_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int nr = val->port_vlan; |
| int speed, status; |
| |
| if (nr == state->regs->CPU_PORT) { |
| val->value.i = 100; |
| return 0; |
| } |
| |
| if (nr >= dev->ports || nr < 0) |
| return -EINVAL; |
| |
| status = ip_phy_read(state, nr, 1); |
| speed = ip_phy_read(state, nr, 18); |
| if (status < 0 || speed < 0) |
| return -EIO; |
| |
| if (status & 4) |
| val->value.i = ((speed & (1<<11)) ? 100 : 10); |
| else |
| val->value.i = 0; |
| |
| return 0; |
| } |
| |
| static int ip17xx_get_port_status(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| int ctrl, speed, status; |
| int nr = val->port_vlan; |
| int len; |
| char *buf = state->buf; // fixed-length at 80. |
| |
| if (nr == state->regs->CPU_PORT) { |
| sprintf(buf, "up, 100 Mbps, cpu port"); |
| val->value.s = buf; |
| return 0; |
| } |
| |
| if (nr >= dev->ports || nr < 0) |
| return -EINVAL; |
| |
| ctrl = ip_phy_read(state, nr, 0); |
| status = ip_phy_read(state, nr, 1); |
| speed = ip_phy_read(state, nr, 18); |
| if (ctrl < 0 || status < 0 || speed < 0) |
| return -EIO; |
| |
| if (status & 4) |
| len = sprintf(buf, "up, %d Mbps, %s duplex", |
| ((speed & (1<<11)) ? 100 : 10), |
| ((speed & (1<<10)) ? "full" : "half")); |
| else |
| len = sprintf(buf, "down"); |
| |
| if (ctrl & (1<<12)) { |
| len += sprintf(buf+len, ", auto-negotiate"); |
| if (!(status & (1<<5))) |
| len += sprintf(buf+len, " (in progress)"); |
| } else { |
| len += sprintf(buf+len, ", fixed speed (%d)", |
| ((ctrl & (1<<13)) ? 100 : 10)); |
| } |
| |
| buf[len] = '\0'; |
| val->value.s = buf; |
| return 0; |
| } |
| |
| static int ip17xx_get_pvid(struct switch_dev *dev, int port, int *val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| *val = state->ports[port].pvid; |
| return 0; |
| } |
| |
| static int ip17xx_set_pvid(struct switch_dev *dev, int port, int val) |
| { |
| struct ip17xx_state *state = get_state(dev); |
| |
| if (val < 0 || val >= MAX_VLANS) |
| return -EINVAL; |
| |
| state->ports[port].pvid = val; |
| return state->regs->update_state(state); |
| } |
| |
| |
| enum Ports { |
| IP17XX_PORT_STATUS, |
| IP17XX_PORT_LINK, |
| IP17XX_PORT_TAGGED, |
| IP17XX_PORT_PVID, |
| }; |
| |
| enum Globals { |
| IP17XX_ENABLE_VLAN, |
| IP17XX_GET_NAME, |
| IP17XX_REGISTER_PHY, |
| IP17XX_REGISTER_MII, |
| IP17XX_REGISTER_VALUE, |
| IP17XX_REGISTER_ERRNO, |
| }; |
| |
| enum Vlans { |
| IP17XX_VLAN_TAG, |
| }; |
| |
| static const struct switch_attr ip17xx_global[] = { |
| [IP17XX_ENABLE_VLAN] = { |
| .id = IP17XX_ENABLE_VLAN, |
| .type = SWITCH_TYPE_INT, |
| .name = "enable_vlan", |
| .description = "Flag to enable or disable VLANs and tagging", |
| .get = ip17xx_get_enable_vlan, |
| .set = ip17xx_set_enable_vlan, |
| }, |
| [IP17XX_GET_NAME] = { |
| .id = IP17XX_GET_NAME, |
| .type = SWITCH_TYPE_STRING, |
| .description = "Returns the type of IC+ chip.", |
| .name = "name", |
| .get = ip17xx_read_name, |
| .set = NULL, |
| }, |
| /* jal: added for low level debugging etc. */ |
| [IP17XX_REGISTER_PHY] = { |
| .id = IP17XX_REGISTER_PHY, |
| .type = SWITCH_TYPE_INT, |
| .description = "Direct register access: set PHY (0-4, or 29,30,31)", |
| .name = "phy", |
| .get = ip17xx_get_phy, |
| .set = ip17xx_set_phy, |
| }, |
| [IP17XX_REGISTER_MII] = { |
| .id = IP17XX_REGISTER_MII, |
| .type = SWITCH_TYPE_INT, |
| .description = "Direct register access: set MII register number (0-31)", |
| .name = "reg", |
| .get = ip17xx_get_reg, |
| .set = ip17xx_set_reg, |
| }, |
| [IP17XX_REGISTER_VALUE] = { |
| .id = IP17XX_REGISTER_VALUE, |
| .type = SWITCH_TYPE_INT, |
| .description = "Direct register access: read/write to register (0-65535)", |
| .name = "val", |
| .get = ip17xx_get_val, |
| .set = ip17xx_set_val, |
| }, |
| }; |
| |
| static const struct switch_attr ip17xx_vlan[] = { |
| [IP17XX_VLAN_TAG] = { |
| .id = IP17XX_VLAN_TAG, |
| .type = SWITCH_TYPE_INT, |
| .description = "VLAN ID (0-4095) [IP175D only]", |
| .name = "vid", |
| .get = ip17xx_get_tag, |
| .set = ip17xx_set_tag, |
| } |
| }; |
| |
| static const struct switch_attr ip17xx_port[] = { |
| [IP17XX_PORT_STATUS] = { |
| .id = IP17XX_PORT_STATUS, |
| .type = SWITCH_TYPE_STRING, |
| .description = "Returns Detailed port status", |
| .name = "status", |
| .get = ip17xx_get_port_status, |
| .set = NULL, |
| }, |
| [IP17XX_PORT_LINK] = { |
| .id = IP17XX_PORT_LINK, |
| .type = SWITCH_TYPE_INT, |
| .description = "Link speed. Can write 0 for auto-negotiate, or 10 or 100", |
| .name = "link", |
| .get = ip17xx_get_port_speed, |
| .set = ip17xx_set_port_speed, |
| }, |
| [IP17XX_PORT_TAGGED] = { |
| .id = IP17XX_PORT_LINK, |
| .type = SWITCH_TYPE_INT, |
| .description = "0 = untag, 1 = add tags, 2 = do not alter (This value is reset if vlans are altered)", |
| .name = "tagged", |
| .get = ip17xx_get_tagged, |
| .set = ip17xx_set_tagged, |
| }, |
| }; |
| |
| static const struct switch_dev_ops ip17xx_ops = { |
| .attr_global = { |
| .attr = ip17xx_global, |
| .n_attr = ARRAY_SIZE(ip17xx_global), |
| }, |
| .attr_port = { |
| .attr = ip17xx_port, |
| .n_attr = ARRAY_SIZE(ip17xx_port), |
| }, |
| .attr_vlan = { |
| .attr = ip17xx_vlan, |
| .n_attr = ARRAY_SIZE(ip17xx_vlan), |
| }, |
| |
| .get_port_pvid = ip17xx_get_pvid, |
| .set_port_pvid = ip17xx_set_pvid, |
| .get_vlan_ports = ip17xx_get_ports, |
| .set_vlan_ports = ip17xx_set_ports, |
| .apply_config = ip17xx_apply, |
| .reset_switch = ip17xx_reset, |
| }; |
| |
| static int ip17xx_probe(struct phy_device *pdev) |
| { |
| struct ip17xx_state *state; |
| struct switch_dev *dev; |
| int err; |
| |
| /* We only attach to PHY 0, but use all available PHYs */ |
| if (pdev->addr != 0) |
| return -ENODEV; |
| |
| state = kzalloc(sizeof(*state), GFP_KERNEL); |
| if (!state) |
| return -ENOMEM; |
| |
| dev = &state->dev; |
| |
| pdev->priv = state; |
| state->mii_bus = pdev->bus; |
| |
| err = get_model(state); |
| if (err < 0) |
| goto error; |
| |
| dev->vlans = MAX_VLANS; |
| dev->cpu_port = state->regs->CPU_PORT; |
| dev->ports = state->regs->NUM_PORTS; |
| dev->name = state->regs->NAME; |
| dev->ops = &ip17xx_ops; |
| |
| pr_info("IP17xx: Found %s at %s\n", dev->name, dev_name(&pdev->dev)); |
| return 0; |
| |
| error: |
| kfree(state); |
| return err; |
| } |
| |
| static int ip17xx_config_init(struct phy_device *pdev) |
| { |
| struct ip17xx_state *state = pdev->priv; |
| struct net_device *dev = pdev->attached_dev; |
| int err; |
| |
| err = register_switch(&state->dev, dev); |
| if (err < 0) |
| return err; |
| |
| state->registered = true; |
| ip17xx_reset(&state->dev); |
| return 0; |
| } |
| |
| static void ip17xx_remove(struct phy_device *pdev) |
| { |
| struct ip17xx_state *state = pdev->priv; |
| |
| if (state->registered) |
| unregister_switch(&state->dev); |
| kfree(state); |
| } |
| |
| static int ip17xx_config_aneg(struct phy_device *pdev) |
| { |
| return 0; |
| } |
| |
| static int ip17xx_aneg_done(struct phy_device *pdev) |
| { |
| return BMSR_ANEGCOMPLETE; |
| } |
| |
| static int ip17xx_update_link(struct phy_device *pdev) |
| { |
| pdev->link = 1; |
| return 0; |
| } |
| |
| static int ip17xx_read_status(struct phy_device *pdev) |
| { |
| pdev->speed = SPEED_100; |
| pdev->duplex = DUPLEX_FULL; |
| pdev->pause = pdev->asym_pause = 0; |
| pdev->link = 1; |
| |
| return 0; |
| } |
| |
| static struct phy_driver ip17xx_driver = { |
| .name = "IC+ IP17xx", |
| .phy_id = 0x02430c00, |
| .phy_id_mask = 0x0ffffc00, |
| .features = PHY_BASIC_FEATURES, |
| .probe = ip17xx_probe, |
| .remove = ip17xx_remove, |
| .config_init = ip17xx_config_init, |
| .config_aneg = ip17xx_config_aneg, |
| .aneg_done = ip17xx_aneg_done, |
| .update_link = ip17xx_update_link, |
| .read_status = ip17xx_read_status, |
| .driver = { .owner = THIS_MODULE }, |
| }; |
| |
| static struct phy_driver ip175a_driver = { |
| .name = "IC+ IP175A", |
| .phy_id = 0x02430c50, |
| .phy_id_mask = 0x0ffffff0, |
| .features = PHY_BASIC_FEATURES, |
| .probe = ip17xx_probe, |
| .remove = ip17xx_remove, |
| .config_init = ip17xx_config_init, |
| .config_aneg = ip17xx_config_aneg, |
| .aneg_done = ip17xx_aneg_done, |
| .update_link = ip17xx_update_link, |
| .read_status = ip17xx_read_status, |
| .driver = { .owner = THIS_MODULE }, |
| }; |
| |
| |
| int __init ip17xx_init(void) |
| { |
| int ret; |
| |
| ret = phy_driver_register(&ip175a_driver); |
| if (ret < 0) |
| return ret; |
| |
| return phy_driver_register(&ip17xx_driver); |
| } |
| |
| void __exit ip17xx_exit(void) |
| { |
| phy_driver_unregister(&ip17xx_driver); |
| phy_driver_unregister(&ip175a_driver); |
| } |
| |
| MODULE_AUTHOR("Patrick Horn <patrick.horn@gmail.com>"); |
| MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>"); |
| MODULE_AUTHOR("Martin Mares <mj@ucw.cz>"); |
| MODULE_LICENSE("GPL"); |
| |
| module_init(ip17xx_init); |
| module_exit(ip17xx_exit); |