mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 01:51:53 +00:00
be01da72b1
Rather than have each driver set the driver owner field, do it once in the core code. This will also help with later changes, when the device structure will move. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/*
|
|
* drivers/net/phy/cicada.c
|
|
*
|
|
* Driver for Cicada PHYs
|
|
*
|
|
* Author: Andy Fleming
|
|
*
|
|
* Copyright (c) 2004 Freescale Semiconductor, Inc.
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/string.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/unistd.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 <linux/io.h>
|
|
#include <asm/irq.h>
|
|
#include <linux/uaccess.h>
|
|
|
|
/* Cicada Extended Control Register 1 */
|
|
#define MII_CIS8201_EXT_CON1 0x17
|
|
#define MII_CIS8201_EXTCON1_INIT 0x0000
|
|
|
|
/* Cicada Interrupt Mask Register */
|
|
#define MII_CIS8201_IMASK 0x19
|
|
#define MII_CIS8201_IMASK_IEN 0x8000
|
|
#define MII_CIS8201_IMASK_SPEED 0x4000
|
|
#define MII_CIS8201_IMASK_LINK 0x2000
|
|
#define MII_CIS8201_IMASK_DUPLEX 0x1000
|
|
#define MII_CIS8201_IMASK_MASK 0xf000
|
|
|
|
/* Cicada Interrupt Status Register */
|
|
#define MII_CIS8201_ISTAT 0x1a
|
|
#define MII_CIS8201_ISTAT_STATUS 0x8000
|
|
#define MII_CIS8201_ISTAT_SPEED 0x4000
|
|
#define MII_CIS8201_ISTAT_LINK 0x2000
|
|
#define MII_CIS8201_ISTAT_DUPLEX 0x1000
|
|
|
|
/* Cicada Auxiliary Control/Status Register */
|
|
#define MII_CIS8201_AUX_CONSTAT 0x1c
|
|
#define MII_CIS8201_AUXCONSTAT_INIT 0x0004
|
|
#define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020
|
|
#define MII_CIS8201_AUXCONSTAT_SPEED 0x0018
|
|
#define MII_CIS8201_AUXCONSTAT_GBIT 0x0010
|
|
#define MII_CIS8201_AUXCONSTAT_100 0x0008
|
|
|
|
MODULE_DESCRIPTION("Cicadia PHY driver");
|
|
MODULE_AUTHOR("Andy Fleming");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int cis820x_config_init(struct phy_device *phydev)
|
|
{
|
|
int err;
|
|
|
|
err = phy_write(phydev, MII_CIS8201_AUX_CONSTAT,
|
|
MII_CIS8201_AUXCONSTAT_INIT);
|
|
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = phy_write(phydev, MII_CIS8201_EXT_CON1,
|
|
MII_CIS8201_EXTCON1_INIT);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int cis820x_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
int err = phy_read(phydev, MII_CIS8201_ISTAT);
|
|
|
|
return (err < 0) ? err : 0;
|
|
}
|
|
|
|
static int cis820x_config_intr(struct phy_device *phydev)
|
|
{
|
|
int err;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
|
|
err = phy_write(phydev, MII_CIS8201_IMASK,
|
|
MII_CIS8201_IMASK_MASK);
|
|
else
|
|
err = phy_write(phydev, MII_CIS8201_IMASK, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* Cicada 8201, a.k.a Vitesse VSC8201 */
|
|
static struct phy_driver cis820x_driver[] = {
|
|
{
|
|
.phy_id = 0x000fc410,
|
|
.name = "Cicada Cis8201",
|
|
.phy_id_mask = 0x000ffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.config_init = &cis820x_config_init,
|
|
.config_aneg = &genphy_config_aneg,
|
|
.read_status = &genphy_read_status,
|
|
.ack_interrupt = &cis820x_ack_interrupt,
|
|
.config_intr = &cis820x_config_intr,
|
|
}, {
|
|
.phy_id = 0x000fc440,
|
|
.name = "Cicada Cis8204",
|
|
.phy_id_mask = 0x000fffc0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.config_init = &cis820x_config_init,
|
|
.config_aneg = &genphy_config_aneg,
|
|
.read_status = &genphy_read_status,
|
|
.ack_interrupt = &cis820x_ack_interrupt,
|
|
.config_intr = &cis820x_config_intr,
|
|
} };
|
|
|
|
module_phy_driver(cis820x_driver);
|
|
|
|
static struct mdio_device_id __maybe_unused cicada_tbl[] = {
|
|
{ 0x000fc410, 0x000ffff0 },
|
|
{ 0x000fc440, 0x000fffc0 },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(mdio, cicada_tbl);
|