From da1bb88a2b900f0392b731ec47c5e1bff956fd8f Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 26 Jun 2010 20:42:58 +0000
Subject: rename target/linux/generic-2.6 to generic

SVN-Revision: 21952
---
 .../linux/generic/files/drivers/net/phy/adm6996.c  | 171 +++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 target/linux/generic/files/drivers/net/phy/adm6996.c

(limited to 'target/linux/generic/files/drivers/net/phy/adm6996.c')

diff --git a/target/linux/generic/files/drivers/net/phy/adm6996.c b/target/linux/generic/files/drivers/net/phy/adm6996.c
new file mode 100644
index 0000000..bc40be0
--- /dev/null
+++ b/target/linux/generic/files/drivers/net/phy/adm6996.c
@@ -0,0 +1,171 @@
+/*
+ * ADM6996 switch driver
+ *
+ * Copyright (c) 2008 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 v2 as published by the
+ * Free Software Foundation
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/unistd.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include "adm6996.h"
+
+MODULE_DESCRIPTION("Infineon ADM6996 Switch");
+MODULE_AUTHOR("Felix Fietkau");
+MODULE_LICENSE("GPL");
+
+struct adm6996_priv {
+	/* use abstraction for regops, we want to add gpio support in the future */
+	u16 (*read)(struct phy_device *phydev, enum admreg reg);
+	void (*write)(struct phy_device *phydev, enum admreg reg, u16 val);
+};
+
+#define to_adm(_phy) ((struct adm6996_priv *) (_phy)->priv)
+
+
+static inline u16
+r16(struct phy_device *pdev, enum admreg reg)
+{
+	return to_adm(pdev)->read(pdev, reg);
+}
+
+static inline void
+w16(struct phy_device *pdev, enum admreg reg, u16 val)
+{
+	to_adm(pdev)->write(pdev, reg, val);
+}
+
+
+static u16
+adm6996_read_mii_reg(struct phy_device *phydev, enum admreg reg)
+{
+	return phydev->bus->read(phydev->bus, PHYADDR(reg));
+}
+
+static void
+adm6996_write_mii_reg(struct phy_device *phydev, enum admreg reg, u16 val)
+{
+	phydev->bus->write(phydev->bus, PHYADDR(reg), val);
+}
+
+
+static int adm6996_config_init(struct phy_device *pdev)
+{
+	int i;
+
+	printk("%s: ADM6996 PHY driver attached.\n", pdev->attached_dev->name);
+	pdev->supported = ADVERTISED_100baseT_Full;
+	pdev->advertising = ADVERTISED_100baseT_Full;
+
+	/* initialize port and vlan settings */
+	for (i = 0; i < ADM_PHY_PORTS; i++) {
+		w16(pdev, adm_portcfg[i], ADM_PORTCFG_INIT |
+			ADM_PORTCFG_PVID((i == ADM_WAN_PORT) ? 1 : 0));
+	}
+	w16(pdev, adm_portcfg[5], ADM_PORTCFG_CPU);
+
+	/* reset all ports */
+	for (i = 0; i < ADM_PHY_PORTS; i++) {
+		w16(pdev, ADM_PHY_PORT(i), ADM_PHYCFG_INIT);
+	}
+
+	return 0;
+}
+
+static int adm6996_read_status(struct phy_device *phydev)
+{
+	phydev->speed = SPEED_100;
+	phydev->duplex = DUPLEX_FULL;
+	phydev->link = 1;
+	return 0;
+}
+
+static int adm6996_config_aneg(struct phy_device *phydev)
+{
+	return 0;
+}
+
+static int adm6996_fixup(struct phy_device *dev)
+{
+	struct mii_bus *bus = dev->bus;
+	u16 reg;
+
+	/* look for the switch on the bus */
+	reg = bus->read(bus, PHYADDR(ADM_SIG0)) & ADM_SIG0_MASK;
+	if (reg != ADM_SIG0_VAL)
+		return 0;
+
+	reg = bus->read(bus, PHYADDR(ADM_SIG1)) & ADM_SIG1_MASK;
+	if (reg != ADM_SIG1_VAL)
+		return 0;
+
+	dev->phy_id = (ADM_SIG0_VAL << 16) | ADM_SIG1_VAL;
+	return 0;
+}
+
+static int adm6996_probe(struct phy_device *pdev)
+{
+	struct adm6996_priv *priv;
+
+	priv = kzalloc(sizeof(struct adm6996_priv), GFP_KERNEL);
+	if (priv == NULL)
+		return -ENOMEM;
+
+	priv->read = adm6996_read_mii_reg;
+	priv->write = adm6996_write_mii_reg;
+	pdev->priv = priv;
+	return 0;
+}
+
+static void adm6996_remove(struct phy_device *pdev)
+{
+	kfree(pdev->priv);
+}
+
+
+static struct phy_driver adm6996_driver = {
+	.name		= "Infineon ADM6996",
+	.phy_id		= (ADM_SIG0_VAL << 16) | ADM_SIG1_VAL,
+	.phy_id_mask	= 0xffffffff,
+	.features	= PHY_BASIC_FEATURES,
+	.probe		= adm6996_probe,
+	.remove		= adm6996_remove,
+	.config_init	= &adm6996_config_init,
+	.config_aneg	= &adm6996_config_aneg,
+	.read_status	= &adm6996_read_status,
+	.driver		= { .owner = THIS_MODULE,},
+};
+
+static int __init adm6996_init(void)
+{
+	phy_register_fixup_for_id(PHY_ANY_ID, adm6996_fixup);
+	return phy_driver_register(&adm6996_driver);
+}
+
+static void __exit adm6996_exit(void)
+{
+	phy_driver_unregister(&adm6996_driver);
+}
+
+module_init(adm6996_init);
+module_exit(adm6996_exit);
-- 
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