freebsd-src/sys/dev/dwc/if_dwc_if.m
Emmanuel Vadot 4b7975ecdc dwc: Remove if_dwc_mac_type
This doesn't represent the mac_type but if the DMA engine support
extended descriptors.
Read the HW_FEATURE register to learn if the DMA engine supports it.

No functional changes intended.
2023-10-05 17:34:40 +02:00

76 lines
2 KiB
Objective-C

#-
# Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
# Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
#
# 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.
#
#
INTERFACE if_dwc;
#include <dev/dwc/dwc1000_reg.h>
CODE {
static int
if_dwc_default_init(device_t dev)
{
return (0);
}
static int
if_dwc_default_mii_clk(device_t dev)
{
return (GMAC_MII_CLK_25_35M_DIV16);
}
static int
if_dwc_default_set_speed(device_t dev, int speed)
{
return (0);
}
};
HEADER {
};
#
# Initialize the SoC specific registers.
#
METHOD int init {
device_t dev;
} DEFAULT if_dwc_default_init;
#
# Return the DWC MII clock for a specific hardware.
#
METHOD int mii_clk {
device_t dev;
} DEFAULT if_dwc_default_mii_clk;
#
# Signal media change to a specific hardware
#
METHOD int set_speed {
device_t dev;
int speed;
} DEFAULT if_dwc_default_set_speed;