mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 12:54:27 +00:00
fdafd315ad
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
216 lines
5.2 KiB
C
216 lines
5.2 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2021 Alstom Group.
|
|
* Copyright (c) 2021 Semihalf.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Driver for TI DP83822 Ethernet PHY
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/rman.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <machine/resource.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_media.h>
|
|
|
|
#include <dev/mii/mii.h>
|
|
#include <dev/mii/miivar.h>
|
|
|
|
#include "miidevs.h"
|
|
#include "miibus_if.h"
|
|
|
|
#define BIT(x) (1 << (x))
|
|
|
|
#define DP83822_PHYSTS 0x10
|
|
#define DP83822_PHYSTS_LINK_UP BIT(0)
|
|
#define DP83822_PHYSTS_SPEED_100 BIT(1)
|
|
#define DP83822_PHYSTS_FD BIT(2)
|
|
|
|
#define DP83822_PHYSCR 0x11
|
|
#define DP83822_PHYSCR_INT_OE BIT(0) /* Behaviour of INT pin. */
|
|
#define DP83822_PHYSCR_INT_EN BIT(1)
|
|
|
|
#define DP83822_MISR1 0x12
|
|
#define DP83822_MISR1_AN_CMPL_EN BIT(2)
|
|
#define DP83822_MISR1_DP_CHG_EN BIT(3)
|
|
#define DP83822_MISR1_SPD_CHG_EN BIT(4)
|
|
#define DP83822_MISR1_LINK_CHG_EN BIT(5)
|
|
#define DP83822_MISR1_INT_MASK 0xFF
|
|
#define DP83822_MISR1_INT_STS_SHIFT 8
|
|
|
|
#define DP83822_MISR2 0x13
|
|
#define DP83822_MISR2_AN_ERR_EN BIT(6)
|
|
#define DP83822_MISR2_INT_MASK 0xFF
|
|
#define DP83822_MISR2_INT_STS_SHIFT 8
|
|
|
|
static int dp_service(struct mii_softc*, struct mii_data*, int);
|
|
|
|
struct dp83822_softc {
|
|
struct mii_softc mii_sc;
|
|
struct resource *irq_res;
|
|
void *irq_cookie;
|
|
};
|
|
|
|
static const struct mii_phydesc dpphys[] = {
|
|
MII_PHY_DESC(xxTI, DP83822),
|
|
MII_PHY_END
|
|
};
|
|
|
|
static const struct mii_phy_funcs dpphy_funcs = {
|
|
dp_service,
|
|
ukphy_status,
|
|
mii_phy_reset
|
|
};
|
|
|
|
static void
|
|
dp_intr(void *arg)
|
|
{
|
|
struct mii_softc *sc = (struct mii_softc *)arg;
|
|
uint32_t status;
|
|
|
|
status = PHY_READ(sc, DP83822_MISR1);
|
|
|
|
if (!((status >> DP83822_MISR1_INT_STS_SHIFT) &
|
|
(status & DP83822_MISR1_INT_MASK)))
|
|
return;
|
|
|
|
PHY_STATUS(sc);
|
|
mii_phy_update(sc, MII_MEDIACHG);
|
|
}
|
|
|
|
static int
|
|
dp_probe(device_t dev)
|
|
{
|
|
|
|
return (mii_phy_dev_probe(dev, dpphys, BUS_PROBE_DEFAULT));
|
|
}
|
|
|
|
static int
|
|
dp_attach(device_t dev)
|
|
{
|
|
struct dp83822_softc *sc;
|
|
struct mii_softc *mii_sc;
|
|
uint32_t value;
|
|
int error, rid;
|
|
|
|
sc = device_get_softc(dev);
|
|
mii_sc = &sc->mii_sc;
|
|
mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &dpphy_funcs, 1);
|
|
|
|
PHY_RESET(mii_sc);
|
|
|
|
rid = 0;
|
|
sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
|
|
if (sc->irq_res == NULL)
|
|
goto no_irq;
|
|
|
|
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
|
|
NULL, dp_intr, sc, &sc->irq_cookie);
|
|
if (error != 0) {
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
|
|
sc->irq_res = NULL;
|
|
goto no_irq;
|
|
}
|
|
|
|
/*
|
|
* ACK and unmask all relevant interrupts.
|
|
* We have a single register that serves the purpose
|
|
* of both interrupt status and mask.
|
|
* Interrupts are cleared on read.
|
|
*/
|
|
(void)PHY_READ(mii_sc, DP83822_MISR1);
|
|
value = DP83822_MISR1_AN_CMPL_EN |
|
|
DP83822_MISR1_DP_CHG_EN |
|
|
DP83822_MISR1_SPD_CHG_EN |
|
|
DP83822_MISR1_LINK_CHG_EN;
|
|
PHY_WRITE(mii_sc, DP83822_MISR1, value);
|
|
value = PHY_READ(mii_sc, DP83822_PHYSCR);
|
|
value |= DP83822_PHYSCR_INT_OE |
|
|
DP83822_PHYSCR_INT_EN;
|
|
PHY_WRITE(mii_sc, DP83822_PHYSCR, value);
|
|
|
|
no_irq:
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
dp_detach(device_t dev)
|
|
{
|
|
struct dp83822_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
bus_teardown_intr(dev, sc->irq_res, sc->irq_cookie);
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
|
|
|
|
return (mii_phy_detach(dev));
|
|
}
|
|
|
|
static int
|
|
dp_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
|
|
{
|
|
|
|
switch (cmd) {
|
|
case MII_POLLSTAT:
|
|
break;
|
|
case MII_MEDIACHG:
|
|
mii_phy_setmedia(sc);
|
|
break;
|
|
case MII_TICK:
|
|
if (mii_phy_tick(sc) == EJUSTRETURN)
|
|
return (0);
|
|
|
|
break;
|
|
}
|
|
|
|
PHY_STATUS(sc);
|
|
mii_phy_update(sc, cmd);
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t dp_methods[] = {
|
|
DEVMETHOD(device_probe, dp_probe),
|
|
DEVMETHOD(device_attach, dp_attach),
|
|
DEVMETHOD(device_detach, dp_detach),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t dp_driver = {
|
|
"dp83822phy",
|
|
dp_methods,
|
|
sizeof(struct dp83822_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(dp83822phy, miibus, dp_driver, 0, 0);
|