mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 17:58:00 +07:00
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>
126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
/*
|
|
* drivers/net/phy/ste10Xp.c
|
|
*
|
|
* Driver for STMicroelectronics STe10Xp PHYs
|
|
*
|
|
* Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
|
|
*
|
|
* Copyright (c) 2008 STMicroelectronics Limited
|
|
*
|
|
* 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/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/phy.h>
|
|
|
|
#define MII_XCIIS 0x11 /* Configuration Info IRQ & Status Reg */
|
|
#define MII_XIE 0x12 /* Interrupt Enable Register */
|
|
#define MII_XIE_DEFAULT_MASK 0x0070 /* ANE complete, Remote Fault, Link Down */
|
|
|
|
#define STE101P_PHY_ID 0x00061c50
|
|
#define STE100P_PHY_ID 0x1c040011
|
|
|
|
static int ste10Xp_config_init(struct phy_device *phydev)
|
|
{
|
|
int value, err;
|
|
|
|
/* Software Reset PHY */
|
|
value = phy_read(phydev, MII_BMCR);
|
|
if (value < 0)
|
|
return value;
|
|
|
|
value |= BMCR_RESET;
|
|
err = phy_write(phydev, MII_BMCR, value);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
do {
|
|
value = phy_read(phydev, MII_BMCR);
|
|
} while (value & BMCR_RESET);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ste10Xp_config_intr(struct phy_device *phydev)
|
|
{
|
|
int err, value;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
|
|
/* Enable all STe101P interrupts (PR12) */
|
|
err = phy_write(phydev, MII_XIE, MII_XIE_DEFAULT_MASK);
|
|
/* clear any pending interrupts */
|
|
if (err == 0) {
|
|
value = phy_read(phydev, MII_XCIIS);
|
|
if (value < 0)
|
|
err = value;
|
|
}
|
|
} else
|
|
err = phy_write(phydev, MII_XIE, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int ste10Xp_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
int err = phy_read(phydev, MII_XCIIS);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct phy_driver ste10xp_pdriver[] = {
|
|
{
|
|
.phy_id = STE101P_PHY_ID,
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "STe101p",
|
|
.features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.config_init = ste10Xp_config_init,
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.ack_interrupt = ste10Xp_ack_interrupt,
|
|
.config_intr = ste10Xp_config_intr,
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
}, {
|
|
.phy_id = STE100P_PHY_ID,
|
|
.phy_id_mask = 0xffffffff,
|
|
.name = "STe100p",
|
|
.features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.config_init = ste10Xp_config_init,
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.ack_interrupt = ste10Xp_ack_interrupt,
|
|
.config_intr = ste10Xp_config_intr,
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
} };
|
|
|
|
module_phy_driver(ste10xp_pdriver);
|
|
|
|
static struct mdio_device_id __maybe_unused ste10Xp_tbl[] = {
|
|
{ STE101P_PHY_ID, 0xfffffff0 },
|
|
{ STE100P_PHY_ID, 0xffffffff },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(mdio, ste10Xp_tbl);
|
|
|
|
MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver");
|
|
MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
|
|
MODULE_LICENSE("GPL");
|