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authorHerbert Valerio Riedel <hvr@gnu.org>2006-05-07 23:22:53 +0200
committerJeff Garzik <jeff@garzik.org>2006-05-24 02:51:33 -0400
commitc9e055ac4fdbb52622437e0dbfdbc1d4897d2775 (patch)
tree42b5a2fba2fd06d24dda9b6ca7667645940ac5d1
parentd7fbeba60b4021dfaf5d315884fbf7672b4ae87b (diff)
downloadlinux-c9e055ac4fdbb52622437e0dbfdbc1d4897d2775.tar.gz
[PATCH] phy: new SMSC LAN83C185 PHY driver
new SMSC LAN83C185 10BaseT/100BaseTX PHY driver for the PHY subsystem Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/phy/Kconfig6
-rw-r--r--drivers/net/phy/Makefile1
-rw-r--r--drivers/net/phy/smsc.c101
3 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index fa39b944bc46a..cda3e53d69176 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -45,5 +45,11 @@ config CICADA_PHY
---help---
Currently supports the cis8204
+config SMSC_PHY
+ tristate "Drivers for SMSC PHYs"
+ depends on PHYLIB
+ ---help---
+ Currently supports the LAN83C185 PHY
+
endmenu
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index e4116a5fbb4c0..d9614134cc06d 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_DAVICOM_PHY) += davicom.o
obj-$(CONFIG_CICADA_PHY) += cicada.o
obj-$(CONFIG_LXT_PHY) += lxt.o
obj-$(CONFIG_QSEMI_PHY) += qsemi.o
+obj-$(CONFIG_SMSC_PHY) += smsc.o
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
new file mode 100644
index 0000000000000..25e31fb5cb316
--- /dev/null
+++ b/drivers/net/phy/smsc.c
@@ -0,0 +1,101 @@
+/*
+ * drivers/net/phy/smsc.c
+ *
+ * Driver for SMSC PHYs
+ *
+ * Author: Herbert Valerio Riedel
+ *
+ * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.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.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
+#define MII_LAN83C185_IM 30 /* Interrupt Mask */
+
+#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
+#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
+#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
+#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
+#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
+#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
+#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
+
+#define MII_LAN83C185_ISF_INT_ALL (0x0e)
+
+#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
+ (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
+
+
+static int lan83c185_config_intr(struct phy_device *phydev)
+{
+ int rc = phy_write (phydev, MII_LAN83C185_IM,
+ ((PHY_INTERRUPT_ENABLED == phydev->interrupts)
+ ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
+ : 0));
+
+ return rc < 0 ? rc : 0;
+}
+
+static int lan83c185_ack_interrupt(struct phy_device *phydev)
+{
+ int rc = phy_read (phydev, MII_LAN83C185_ISF);
+
+ return rc < 0 ? rc : 0;
+}
+
+static int lan83c185_config_init(struct phy_device *phydev)
+{
+ return lan83c185_ack_interrupt (phydev);
+}
+
+
+static struct phy_driver lan83c185_driver = {
+ .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
+ .phy_id_mask = 0xfffffff0,
+ .name = "SMSC LAN83C185",
+
+ .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
+ | SUPPORTED_Asym_Pause),
+ .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
+
+ /* basic functions */
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .config_init = lan83c185_config_init,
+
+ /* IRQ related */
+ .ack_interrupt = lan83c185_ack_interrupt,
+ .config_intr = lan83c185_config_intr,
+
+ .driver = { .owner = THIS_MODULE, }
+};
+
+static int __init smsc_init(void)
+{
+ return phy_driver_register (&lan83c185_driver);
+}
+
+static void __exit smsc_exit(void)
+{
+ phy_driver_unregister (&lan83c185_driver);
+}
+
+MODULE_DESCRIPTION("SMSC PHY driver");
+MODULE_AUTHOR("Herbert Valerio Riedel");
+MODULE_LICENSE("GPL");
+
+module_init(smsc_init);
+module_exit(smsc_exit);