ip17xx: Rename the driver to ip17xx.c
authorGabor Juhos <juhosg@openwrt.org>
Tue, 8 Jun 2010 20:19:05 +0000 (20:19 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Tue, 8 Jun 2010 20:19:05 +0000 (20:19 +0000)
Following the big internal rename, this is the external rename.
Rename the source file to ip17xx.c and adjust Makefile and Kconfig.

Signed-off-by: Martin Mares <mj@ucw.cz>
Signed-off-by: Patrick Horn <patrick.horn@gmail.com>
SVN-Revision: 21724

17 files changed:
target/linux/atheros/config-2.6.30
target/linux/atheros/config-2.6.32
target/linux/atheros/config-2.6.33
target/linux/atheros/config-2.6.34
target/linux/generic-2.6/config-2.6.30
target/linux/generic-2.6/config-2.6.31
target/linux/generic-2.6/config-2.6.32
target/linux/generic-2.6/config-2.6.33
target/linux/generic-2.6/config-2.6.34
target/linux/generic-2.6/config-2.6.35
target/linux/generic-2.6/files/drivers/net/phy/ip175c.c [deleted file]
target/linux/generic-2.6/files/drivers/net/phy/ip17xx.c [new file with mode: 0644]
target/linux/generic-2.6/patches-2.6.30/670-phy_ip175c.patch
target/linux/generic-2.6/patches-2.6.31/670-phy_ip175c.patch
target/linux/generic-2.6/patches-2.6.32/670-phy_ip175c.patch
target/linux/generic-2.6/patches-2.6.33/670-phy_ip175c.patch
target/linux/generic-2.6/patches-2.6.34/670-phy_ip175c.patch

index 2804447..32c9814 100644 (file)
@@ -82,7 +82,7 @@ CONFIG_HAVE_OPROFILE=y
 CONFIG_HW_HAS_PCI=y
 CONFIG_HW_RANDOM=y
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_IP175C_PHY=y
+CONFIG_IP17XX_PHY=y
 CONFIG_IRQ_CPU=y
 # CONFIG_LEDS_GPIO is not set
 # CONFIG_LEMOTE_FULONG is not set
index 4d1afa4..21ed3b4 100644 (file)
@@ -88,7 +88,7 @@ CONFIG_HW_HAS_PCI=y
 CONFIG_HW_RANDOM=y
 CONFIG_IMAGE_CMDLINE_HACK=y
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_IP175C_PHY=y
+CONFIG_IP17XX_PHY=y
 CONFIG_IRQ_CPU=y
 # CONFIG_LEDS_GPIO is not set
 # CONFIG_MACH_ALCHEMY is not set
index df0dcfb..6e1092c 100644 (file)
@@ -126,7 +126,7 @@ CONFIG_INLINE_WRITE_UNLOCK=y
 # CONFIG_INLINE_WRITE_UNLOCK_BH is not set
 CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
-CONFIG_IP175C_PHY=y
+CONFIG_IP17XX_PHY=y
 CONFIG_IRQ_CPU=y
 # CONFIG_LEDS_GPIO is not set
 CONFIG_LOONGSON_UART_BASE=y
index 10d2695..ee77cb9 100644 (file)
@@ -130,7 +130,7 @@ CONFIG_INLINE_WRITE_UNLOCK=y
 # CONFIG_INLINE_WRITE_UNLOCK_BH is not set
 CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
-CONFIG_IP175C_PHY=y
+CONFIG_IP17XX_PHY=y
 CONFIG_IRQ_CPU=y
 # CONFIG_LEDS_GPIO is not set
 # CONFIG_LOGFS is not set
index 9ae6fb6..c73d8d8 100644 (file)
@@ -869,7 +869,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
index 662d894..9f76b7a 100644 (file)
@@ -861,7 +861,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
index 3b08e2f..8a74ab3 100644 (file)
@@ -920,7 +920,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
index b7cf9f0..ba4439d 100644 (file)
@@ -930,7 +930,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
index 8268a13..ad8e17d 100644 (file)
@@ -977,7 +977,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
index 38e85c3..89aa358 100644 (file)
@@ -984,7 +984,7 @@ CONFIG_INPUT_MISC=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IP1000 is not set
-# CONFIG_IP175C_PHY is not set
+# CONFIG_IP17XX_PHY is not set
 # CONFIG_IP6_NF_FILTER is not set
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP6_NF_MANGLE is not set
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
deleted file mode 100644 (file)
index df172d5..0000000
+++ /dev/null
@@ -1,1387 +0,0 @@
-/*
- * ip17xx.c: Swconfig configuration for IC+ IP17xx switch family
- *
- * Copyright (C) 2008 Patrick Horn <patrick.horn@gmail.com>
- * Copyright (C) 2008 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 <linux/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];
-};
-
-
-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;
-       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 = dev->priv;
-
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-
-       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 = dev->priv;
-       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 = dev->priv;
-
-       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 = dev->priv;
-
-       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 = dev->priv;
-
-       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 = dev->priv;
-       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 = dev->priv;
-
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-       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 = dev->priv;
-
-       *val = state->ports[port].pvid;
-       return 0;
-}
-
-static int ip17xx_set_pvid(struct switch_dev *dev, int port, int val)
-{
-       struct ip17xx_state *state = dev->priv;
-
-       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 tag (0-4095) [IP175D only]",
-               .name = "tag",
-               .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 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;
-       dev->attr_global.attr = ip17xx_global;
-       dev->attr_global.n_attr = ARRAY_SIZE(ip17xx_global);
-       dev->attr_port.attr = ip17xx_port;
-       dev->attr_port.n_attr = ARRAY_SIZE(ip17xx_port);
-       dev->attr_vlan.attr = ip17xx_vlan;
-       dev->attr_vlan.n_attr = ARRAY_SIZE(ip17xx_vlan);
-
-       dev->get_port_pvid = ip17xx_get_pvid;
-       dev->set_port_pvid = ip17xx_set_pvid;
-       dev->get_vlan_ports = ip17xx_get_ports;
-       dev->set_vlan_ports = ip17xx_set_ports;
-       dev->apply_config = ip17xx_apply;
-       dev->reset_switch = ip17xx_reset;
-
-       dev->priv = state;
-       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;
-
-       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;
-
-       pdev->irq = PHY_IGNORE_INTERRUPT;
-       err = register_switch(&state->dev, dev);
-       if (err < 0)
-               return err;
-
-       ip17xx_reset(&state->dev);
-
-       state->registered = true;
-
-       pdev->state = PHY_RUNNING;
-       pdev->speed = SPEED_100;
-       pdev->duplex = DUPLEX_FULL;
-       pdev->pause = pdev->asym_pause = 0;
-       netif_carrier_on(pdev->attached_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_read_status(struct phy_device *pdev)
-{
-       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,
-       .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,
-       .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_LICENSE("GPL");
-
-module_init(ip17xx_init);
-module_exit(ip17xx_exit);
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ip17xx.c b/target/linux/generic-2.6/files/drivers/net/phy/ip17xx.c
new file mode 100644 (file)
index 0000000..df172d5
--- /dev/null
@@ -0,0 +1,1387 @@
+/*
+ * ip17xx.c: Swconfig configuration for IC+ IP17xx switch family
+ *
+ * Copyright (C) 2008 Patrick Horn <patrick.horn@gmail.com>
+ * Copyright (C) 2008 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 <linux/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];
+};
+
+
+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;
+       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 = dev->priv;
+
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+
+       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 = dev->priv;
+       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 = dev->priv;
+
+       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 = dev->priv;
+
+       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 = dev->priv;
+
+       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 = dev->priv;
+       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 = dev->priv;
+
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+       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 = dev->priv;
+
+       *val = state->ports[port].pvid;
+       return 0;
+}
+
+static int ip17xx_set_pvid(struct switch_dev *dev, int port, int val)
+{
+       struct ip17xx_state *state = dev->priv;
+
+       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 tag (0-4095) [IP175D only]",
+               .name = "tag",
+               .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 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;
+       dev->attr_global.attr = ip17xx_global;
+       dev->attr_global.n_attr = ARRAY_SIZE(ip17xx_global);
+       dev->attr_port.attr = ip17xx_port;
+       dev->attr_port.n_attr = ARRAY_SIZE(ip17xx_port);
+       dev->attr_vlan.attr = ip17xx_vlan;
+       dev->attr_vlan.n_attr = ARRAY_SIZE(ip17xx_vlan);
+
+       dev->get_port_pvid = ip17xx_get_pvid;
+       dev->set_port_pvid = ip17xx_set_pvid;
+       dev->get_vlan_ports = ip17xx_get_ports;
+       dev->set_vlan_ports = ip17xx_set_ports;
+       dev->apply_config = ip17xx_apply;
+       dev->reset_switch = ip17xx_reset;
+
+       dev->priv = state;
+       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;
+
+       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;
+
+       pdev->irq = PHY_IGNORE_INTERRUPT;
+       err = register_switch(&state->dev, dev);
+       if (err < 0)
+               return err;
+
+       ip17xx_reset(&state->dev);
+
+       state->registered = true;
+
+       pdev->state = PHY_RUNNING;
+       pdev->speed = SPEED_100;
+       pdev->duplex = DUPLEX_FULL;
+       pdev->pause = pdev->asym_pause = 0;
+       netif_carrier_on(pdev->attached_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_read_status(struct phy_device *pdev)
+{
+       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,
+       .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,
+       .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_LICENSE("GPL");
+
+module_init(ip17xx_init);
+module_exit(ip17xx_exit);
index 461df50..5d8ba3c 100644 (file)
@@ -4,8 +4,8 @@
  config MVSWITCH_PHY
        tristate "Driver for Marvell 88E6060 switches"
  
-+config IP175C_PHY
-+      tristate "Driver for IC+ IP175C/IP178C switches"
++config IP17XX_PHY
++      tristate "Driver for IC+ IP17xx switches"
 +      select SWCONFIG
 +
  config FIXED_PHY
@@ -17,7 +17,7 @@
  obj-$(CONFIG_ICPLUS_PHY)      += icplus.o
  obj-$(CONFIG_ADM6996_PHY)     += adm6996.o
  obj-$(CONFIG_MVSWITCH_PHY)    += mvswitch.o
-+obj-$(CONFIG_IP175C_PHY)      += ip175c.o
++obj-$(CONFIG_IP17XX_PHY)      += ip17xx.o
  obj-$(CONFIG_REALTEK_PHY)     += realtek.o
  obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
  obj-$(CONFIG_FIXED_PHY)               += fixed.o
index 461df50..5d8ba3c 100644 (file)
@@ -4,8 +4,8 @@
  config MVSWITCH_PHY
        tristate "Driver for Marvell 88E6060 switches"
  
-+config IP175C_PHY
-+      tristate "Driver for IC+ IP175C/IP178C switches"
++config IP17XX_PHY
++      tristate "Driver for IC+ IP17xx switches"
 +      select SWCONFIG
 +
  config FIXED_PHY
@@ -17,7 +17,7 @@
  obj-$(CONFIG_ICPLUS_PHY)      += icplus.o
  obj-$(CONFIG_ADM6996_PHY)     += adm6996.o
  obj-$(CONFIG_MVSWITCH_PHY)    += mvswitch.o
-+obj-$(CONFIG_IP175C_PHY)      += ip175c.o
++obj-$(CONFIG_IP17XX_PHY)      += ip17xx.o
  obj-$(CONFIG_REALTEK_PHY)     += realtek.o
  obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
  obj-$(CONFIG_FIXED_PHY)               += fixed.o
index 862868c..a9452b3 100644 (file)
@@ -4,8 +4,8 @@
  config MVSWITCH_PHY
        tristate "Driver for Marvell 88E6060 switches"
  
-+config IP175C_PHY
-+      tristate "Driver for IC+ IP175C/IP178C switches"
++config IP17XX_PHY
++      tristate "Driver for IC+ IP17xx switches"
 +      select SWCONFIG
 +
  config FIXED_PHY
@@ -17,7 +17,7 @@
  obj-$(CONFIG_ICPLUS_PHY)      += icplus.o
  obj-$(CONFIG_ADM6996_PHY)     += adm6996.o
  obj-$(CONFIG_MVSWITCH_PHY)    += mvswitch.o
-+obj-$(CONFIG_IP175C_PHY)      += ip175c.o
++obj-$(CONFIG_IP17XX_PHY)      += ip17xx.o
  obj-$(CONFIG_REALTEK_PHY)     += realtek.o
  obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
  obj-$(CONFIG_FIXED_PHY)               += fixed.o
index 862868c..a9452b3 100644 (file)
@@ -4,8 +4,8 @@
  config MVSWITCH_PHY
        tristate "Driver for Marvell 88E6060 switches"
  
-+config IP175C_PHY
-+      tristate "Driver for IC+ IP175C/IP178C switches"
++config IP17XX_PHY
++      tristate "Driver for IC+ IP17xx switches"
 +      select SWCONFIG
 +
  config FIXED_PHY
@@ -17,7 +17,7 @@
  obj-$(CONFIG_ICPLUS_PHY)      += icplus.o
  obj-$(CONFIG_ADM6996_PHY)     += adm6996.o
  obj-$(CONFIG_MVSWITCH_PHY)    += mvswitch.o
-+obj-$(CONFIG_IP175C_PHY)      += ip175c.o
++obj-$(CONFIG_IP17XX_PHY)      += ip17xx.o
  obj-$(CONFIG_REALTEK_PHY)     += realtek.o
  obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
  obj-$(CONFIG_FIXED_PHY)               += fixed.o
index e8c57ca..22a56ed 100644 (file)
@@ -4,8 +4,8 @@
  config MVSWITCH_PHY
        tristate "Driver for Marvell 88E6060 switches"
  
-+config IP175C_PHY
-+      tristate "Driver for IC+ IP175C/IP178C switches"
++config IP17XX_PHY
++      tristate "Driver for IC+ IP17xx switches"
 +      select SWCONFIG
 +
  config FIXED_PHY
@@ -17,7 +17,7 @@
  obj-$(CONFIG_ICPLUS_PHY)      += icplus.o
  obj-$(CONFIG_ADM6996_PHY)     += adm6996.o
  obj-$(CONFIG_MVSWITCH_PHY)    += mvswitch.o
-+obj-$(CONFIG_IP175C_PHY)      += ip175c.o
++obj-$(CONFIG_IP17XX_PHY)      += ip17xx.o
  obj-$(CONFIG_REALTEK_PHY)     += realtek.o
  obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
  obj-$(CONFIG_FIXED_PHY)               += fixed.o