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ax88179_178a.c
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ax88179_178a.c
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// SPDX-License-Identifier: GPL-2.0
/*******************************************************************************
* Copyright (c) 2022 ASIX Electronic Corporation All rights reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
******************************************************************************/
#include "ax_main.h"
#include "ax88179_178a.h"
struct _ax_buikin_setting AX88179_BULKIN_SIZE[] = {
{7, 0x70, 0, 0x0C, 0x0f},
{7, 0x70, 0, 0x0C, 0x0f},
{7, 0x20, 3, 0x16, 0xff},
{7, 0xae, 7, 0x18, 0xff},
};
const struct ethtool_ops ax88179_ethtool_ops = {
.get_drvinfo = ax_get_drvinfo,
#if KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE
.get_settings = ax_get_settings,
.set_settings = ax_set_settings,
#else
.get_link_ksettings = ax_get_link_ksettings,
.set_link_ksettings = ax_set_link_ksettings,
#endif
.get_link = ethtool_op_get_link,
.get_msglevel = ax_get_msglevel,
.set_msglevel = ax_set_msglevel,
.get_wol = ax_get_wol,
.set_wol = ax_set_wol,
.get_ts_info = ethtool_op_get_ts_info,
.get_strings = ax_get_strings,
.get_sset_count = ax_get_sset_count,
.get_ethtool_stats = ax_get_ethtool_stats,
.get_regs_len = ax_get_regs_len,
.get_regs = ax_get_regs,
};
int ax88179_signature(struct ax_device *axdev, struct _ax_ioctl_command *info)
{
strncpy(info->sig, AX88179_SIGNATURE, strlen(AX88179_SIGNATURE));
return 0;
}
int ax88179_read_eeprom(struct ax_device *axdev, struct _ax_ioctl_command *info)
{
u8 i;
u16 tmp;
u8 value;
unsigned short *buf;
if (info->buf != NULL) {
buf = kmalloc_array(info->size, sizeof(unsigned short),
GFP_KERNEL);
if (!buf) {
#if KERNEL_VERSION(2, 6, 34) <= LINUX_VERSION_CODE
netdev_err(axdev->netdev,
"Cannot allocate memory for buffer");
#endif
return -ENOMEM;
}
} else {
netdev_info(axdev->netdev,
"The EEPROM buffer cannot be NULL. \r\n");
return -EINVAL;
}
if (info->type == 0) {
for (i = 0; i < info->size; i++) {
if (ax_write_cmd(axdev, AX_ACCESS_MAC,
AX_SROM_ADDR, 1, 1, &i) < 0) {
kfree(buf);
return -EINVAL;
}
value = EEP_RD;
if (ax_write_cmd(axdev, AX_ACCESS_MAC,
AX_SROM_CMD, 1, 1, &value) < 0) {
kfree(buf);
return -EINVAL;
}
do {
ax_read_cmd(axdev, AX_ACCESS_MAC,
AX_SROM_CMD, 1, 1, &value, 0);
} while (value & EEP_BUSY);
if (ax_read_cmd(axdev, AX_ACCESS_MAC,
AX_SROM_DATA_LOW, 2, 2,
&tmp, 1) < 0) {
kfree(buf);
return -EINVAL;
}
*(buf + i) = be16_to_cpu(tmp);
if (i == (info->size - 1))
break;
}
} else {
for (i = 0; i < info->size; i++) {
if (ax_read_cmd(axdev, AX_ACCESS_EFUSE, i,
1, 2, &tmp, 1) < 0) {
kfree(buf);
return -EINVAL;
}
*(buf + i) = be16_to_cpu(tmp);
if (i == (info->size - 1))
break;
}
}
if (copy_to_user(info->buf, buf, sizeof(unsigned short) * info->size)) {
kfree(buf);
return -EFAULT;
}
kfree(buf);
return 0;
}
int ax88179_write_eeprom(struct ax_device *axdev,
struct _ax_ioctl_command *info)
{
int i;
u16 data, csum = 0;
unsigned short *buf;
if (info->buf != NULL) {
buf = kmalloc_array(info->size, sizeof(unsigned short),
GFP_KERNEL);
if (!buf) {
#if KERNEL_VERSION(2, 6, 34) <= LINUX_VERSION_CODE
netdev_err(axdev->netdev,
"Cannot allocate memory for buffer");
#endif
return -ENOMEM;
}
if (copy_from_user(buf, info->buf,
sizeof(unsigned short) * info->size)) {
kfree(buf);
return -EFAULT;
}
} else {
netdev_err(axdev->netdev,
"The EEPROM buffer cannot be NULL. \r\n");
return -EINVAL;
}
if (info->type == 0) {
if ((*(buf) >> 8) & 0x01) {
netdev_info(axdev->netdev,
"Cannot be set to muliticast MAC address, ");
netdev_info(axdev->netdev,
"bit0 of Node ID-0 cannot be set to 1. \r\n");
kfree(buf);
return -EINVAL;
}
csum = (*(buf + 3) & 0xff) + ((*(buf + 3) >> 8) & 0xff) +
(*(buf + 4) & 0xff) + ((*(buf + 4) >> 8) & 0xff);
csum = 0xff - ((csum >> 8) + (csum & 0xff));
data = ((*(buf + 5)) & 0xff) | (csum << 8);
*(buf + 5) = data;
for (i = 0; i < info->size; i++) {
data = cpu_to_be16(*(buf + i));
if (ax_write_cmd(axdev, AX_ACCESS_EEPROM,
i, 1, 2, &data) < 0) {
kfree(buf);
return -EINVAL;
}
mdelay(info->delay);
}
} else if (info->type == 1) {
if ((*(buf) >> 8) & 0x01) {
netdev_info(axdev->netdev,
"Cannot be set to muliticast MAC address, ");
netdev_info(axdev->netdev,
"bit0 of Node ID-0 cannot be set to 1. \r\n");
kfree(buf);
return -EINVAL;
}
for (i = 0; i < info->size; i++)
csum += (*(buf + i)&0xff) + ((*(buf + i) >> 8)&0xff);
csum -= ((*(buf + 0x19) >> 8) & 0xff);
while (csum > 255)
csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
csum = 0xFF - csum;
data = ((*(buf + 0x19)) & 0xff) | (csum << 8);
*(buf + 0x19) = data;
if (ax_write_cmd(axdev, AX_WRITE_EFUSE_EN,
0, 0, 0, NULL) < 0) {
kfree(buf);
return -EINVAL;
}
mdelay(info->delay);
for (i = 0; i < info->size; i++) {
data = cpu_to_be16(*(buf + i));
if (ax_write_cmd(axdev, AX_ACCESS_EFUSE,
i, 1, 2, &data) < 0) {
kfree(buf);
return -EINVAL;
}
mdelay(info->delay);
}
if (ax_write_cmd(axdev, AX_WRITE_EFUSE_DIS,
0, 0, 0, NULL) < 0) {
kfree(buf);
return -EINVAL;
}
mdelay(info->delay);
} else if (info->type == 2) {
if (ax_read_cmd(axdev, AX_ACCESS_EFUSE,
0, 1, 2, &data, 1) < 0) {
kfree(buf);
return -EINVAL;
}
if (data == 0xFFFF)
info->type = 0;
else
info->type = 1;
} else {
kfree(buf);
return -EINVAL;
}
kfree(buf);
return 0;
}
IOCTRL_TABLE ax88179_tbl[] = {
ax88179_signature,
NULL,//ax_usb_command,
ax88179_read_eeprom,
ax88179_write_eeprom,
};
#if KERNEL_VERSION(5, 15, 0) <= LINUX_VERSION_CODE
int ax88179_siocdevprivate(struct net_device *netdev, struct ifreq *rq,
void __user *udata, int cmd)
{
struct ax_device *axdev = netdev_priv(netdev);
struct _ax_ioctl_command info;
struct _ax_ioctl_command *uptr =
(struct _ax_ioctl_command *) rq->ifr_data;
int ret = 0;
switch (cmd) {
case AX_PRIVATE:
if (copy_from_user(&info, uptr,
sizeof(struct _ax_ioctl_command)))
return -EFAULT;
if ((*ax88179_tbl[info.ioctl_cmd])(axdev, &info) < 0) {
netdev_info(netdev, "ax88179_tbl, return -EFAULT");
return -EFAULT;
}
if (copy_to_user(uptr, &info, sizeof(struct _ax_ioctl_command)))
return -EFAULT;
break;
default:
ret = -EOPNOTSUPP;
}
return ret;
}
int ax88179_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
{
struct ax_device *axdev = netdev_priv(netdev);
return generic_mii_ioctl(&axdev->mii, if_mii(rq), cmd, NULL);
}
#else
int ax88179_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
{
struct ax_device *axdev = netdev_priv(netdev);
struct _ax_ioctl_command info;
struct _ax_ioctl_command *uptr =
(struct _ax_ioctl_command *) rq->ifr_data;
switch (cmd) {
case AX_PRIVATE:
if (copy_from_user(&info, uptr,
sizeof(struct _ax_ioctl_command)))
return -EFAULT;
if ((*ax88179_tbl[info.ioctl_cmd])(axdev, &info) < 0) {
netdev_info(netdev, "ax88179_tbl, return -EFAULT");
return -EFAULT;
}
if (copy_to_user(uptr, &info, sizeof(struct _ax_ioctl_command)))
return -EFAULT;
break;
default:
return generic_mii_ioctl(&axdev->mii, if_mii(rq), cmd, NULL);
}
return 0;
}
#endif
void ax88179_set_multicast(struct net_device *net)
{
struct ax_device *axdev = netdev_priv(net);
u8 *m_filter = axdev->m_filter;
int mc_count = 0;
if (!test_bit(AX_ENABLE, &axdev->flags))
return;
#if KERNEL_VERSION(2, 6, 35) > LINUX_VERSION_CODE
mc_count = net->mc_count;
#else
mc_count = netdev_mc_count(net);
#endif
axdev->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB);
if (net->flags & IFF_PROMISC) {
axdev->rxctl |= AX_RX_CTL_PRO;
} else if (net->flags & IFF_ALLMULTI
|| mc_count > AX_MAX_MCAST) {
axdev->rxctl |= AX_RX_CTL_AMALL;
} else if (mc_count == 0) {
} else {
u32 crc_bits;
#if KERNEL_VERSION(2, 6, 35) > LINUX_VERSION_CODE
struct dev_mc_list *mc_list = net->mc_list;
int i = 0;
memset(m_filter, 0, AX_MCAST_FILTER_SIZE);
for (i = 0; i < net->mc_count; i++) {
crc_bits = ether_crc(ETH_ALEN,
mc_list->dmi_addr) >> 26;
*(m_filter + (crc_bits >> 3)) |=
1 << (crc_bits & 7);
mc_list = mc_list->next;
}
#else
struct netdev_hw_addr *ha = NULL;
memset(m_filter, 0, AX_MCAST_FILTER_SIZE);
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
*(m_filter + (crc_bits >> 3)) |=
1 << (crc_bits & 7);
}
#endif
ax_write_cmd_async(axdev, AX_ACCESS_MAC,
AX_MULTI_FILTER_ARRY,
AX_MCAST_FILTER_SIZE,
AX_MCAST_FILTER_SIZE, m_filter);
axdev->rxctl |= AX_RX_CTL_AM;
}
ax_write_cmd_async(axdev, AX_ACCESS_MAC, AX_RX_CTL,
2, 2, &axdev->rxctl);
}
int ax88179_set_mac_addr(struct net_device *netdev, void *p)
{
struct ax_device *axdev = netdev_priv(netdev);
struct sockaddr *addr = p;
int ret;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
if (netif_running(netdev))
return -EBUSY;
#if KERNEL_VERSION(5, 16, 0) <= LINUX_VERSION_CODE
eth_hw_addr_set(netdev, addr->sa_data);
#else
memcpy(netdev->dev_addr, addr->sa_data, ETH_ALEN);
#endif
ret = ax_write_cmd(axdev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
ETH_ALEN, addr->sa_data);
if (ret < 0)
return ret;
return 0;
}
static int ax88179_check_eeprom(struct ax_device *axdev)
{
u8 i = 0;
u8 buf[2];
u8 eeprom[20];
u16 csum = 0, delay = HZ / 10;
for (i = 0 ; i < 6; i++) {
buf[0] = i;
if (ax_write_cmd(axdev, AX_ACCESS_MAC, AX_SROM_ADDR,
1, 1, buf) < 0)
return -EINVAL;
buf[0] = EEP_RD;
if (ax_write_cmd(axdev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, buf) < 0)
return -EINVAL;
do {
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, buf, 0);
if (time_after(jiffies, (jiffies + delay)))
return -EINVAL;
} while (buf[0] & EEP_BUSY);
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
2, 2, &eeprom[i * 2], 0);
if ((i == 0) && (eeprom[0] == 0xFF))
return -EINVAL;
}
csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
csum = (csum >> 8) + (csum & 0xff);
if ((csum + eeprom[10]) == 0xff)
return 0;
else
return -EINVAL;
return 0;
}
static int ax88179_check_efuse(struct ax_device *axdev, void *ledmode)
{
u8 i = 0;
u16 csum = 0;
u8 efuse[64];
if (ax_read_cmd(axdev, AX_ACCESS_EFUSE, 0, 64, 64, efuse, 0) < 0)
return -EINVAL;
if (efuse[0] == 0xFF)
return -EINVAL;
for (i = 0; i < 64; i++)
csum = csum + efuse[i];
while (csum > 255)
csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
if (csum == 0xFF) {
memcpy((u8 *)ledmode, &efuse[51], 2);
return 0;
} else
return -EINVAL;
return 0;
}
static int ax88179_convert_old_led(struct ax_device *axdev, u8 efuse, void *ledvalue)
{
u8 ledmode = 0;
u16 reg16;
u16 led = 0;
/* loaded the old eFuse LED Mode */
if (efuse) {
if (ax_read_cmd(axdev, AX_ACCESS_EFUSE, 0x18,
1, 2, ®16, 1) < 0)
return -EINVAL;
ledmode = (u8)(reg16 & 0xFF);
} else { /* loaded the old EEprom LED Mode */
if (ax_read_cmd(axdev, AX_ACCESS_EEPROM, 0x3C,
1, 2, ®16, 1) < 0)
return -EINVAL;
ledmode = (u8) (reg16 >> 8);
}
netdev_dbg(axdev->netdev, "Old LED Mode = %02X\n", ledmode);
switch (ledmode) {
case 0xFF:
led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
break;
case 0xFE:
led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
break;
case 0xFD:
led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
LED2_LINK_10 | LED_VALID;
break;
case 0xFC:
led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
break;
default:
led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
break;
}
memcpy((u8 *)ledvalue, &led, 2);
return 0;
}
static void ax88179_Gether_setting(struct ax_device *axdev)
{
u16 reg16;
reg16 = 0x03;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, ®16);
reg16 = 0x3246;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
25, 2, ®16);
reg16 = 0;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, ®16);
}
static int ax88179_LED_setting(struct ax_device *axdev)
{
u16 ledvalue = 0, delay = HZ / 10;
u16 ledact, ledlink;
u16 reg16;
u8 value;
ax_read_cmd(axdev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value, 0);
if (!(value & AX_SECLD)) {
value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
AX_GPIO_CTRL_GPIO1EN;
if (ax_write_cmd(axdev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1, 1, &value) < 0)
return -EINVAL;
}
if (!ax88179_check_eeprom(axdev)) {
value = 0x42;
if (ax_write_cmd(axdev, AX_ACCESS_MAC, AX_SROM_ADDR,
1, 1, &value) < 0)
return -EINVAL;
value = EEP_RD;
if (ax_write_cmd(axdev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, &value) < 0)
return -EINVAL;
do {
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, &value, 0);
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, &value, 0);
if (time_after(jiffies, (jiffies + delay)))
return -EINVAL;
} while (value & EEP_BUSY);
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1, 1, &value, 0);
ledvalue = (value << 8);
ax_read_cmd(axdev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1, 1, &value, 0);
ledvalue |= value;
if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
ax88179_convert_old_led(axdev, 0, &ledvalue);
} else if (!ax88179_check_efuse(axdev, &ledvalue)) {
if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
ax88179_convert_old_led(axdev, 0, &ledvalue);
} else {
ax88179_convert_old_led(axdev, 0, &ledvalue);
}
reg16 = GMII_PHY_PAGE_SELECT_EXT;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_PAGE_SELECT, 2, ®16);
reg16 = 0x2c;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHYPAGE, 2, ®16);
ax_read_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_LED_ACTIVE, 2, &ledact, 1);
ax_read_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_LED_LINK, 2, &ledlink, 1);
ledact &= GMII_LED_ACTIVE_MASK;
ledlink &= GMII_LED_LINK_MASK;
if (ledvalue & LED0_ACTIVE)
ledact |= GMII_LED0_ACTIVE;
if (ledvalue & LED1_ACTIVE)
ledact |= GMII_LED1_ACTIVE;
if (ledvalue & LED2_ACTIVE)
ledact |= GMII_LED2_ACTIVE;
if (ledvalue & LED0_LINK_10)
ledlink |= GMII_LED0_LINK_10;
if (ledvalue & LED1_LINK_10)
ledlink |= GMII_LED1_LINK_10;
if (ledvalue & LED2_LINK_10)
ledlink |= GMII_LED2_LINK_10;
if (ledvalue & LED0_LINK_100)
ledlink |= GMII_LED0_LINK_100;
if (ledvalue & LED1_LINK_100)
ledlink |= GMII_LED1_LINK_100;
if (ledvalue & LED2_LINK_100)
ledlink |= GMII_LED2_LINK_100;
if (ledvalue & LED0_LINK_1000)
ledlink |= GMII_LED0_LINK_1000;
if (ledvalue & LED1_LINK_1000)
ledlink |= GMII_LED1_LINK_1000;
if (ledvalue & LED2_LINK_1000)
ledlink |= GMII_LED2_LINK_1000;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_LED_ACTIVE, 2, &ledact);
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_LED_LINK, 2, &ledlink);
reg16 = GMII_PHY_PAGE_SELECT_PAGE0;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_PAGE_SELECT, 2, ®16);
/* LED full duplex setting */
reg16 = 0;
if (ledvalue & LED0_FD)
reg16 |= 0x01;
else if ((ledvalue & LED0_USB3_MASK) == 0)
reg16 |= 0x02;
if (ledvalue & LED1_FD)
reg16 |= 0x04;
else if ((ledvalue & LED1_USB3_MASK) == 0)
reg16 |= 0x08;
if (ledvalue & LED2_FD) /* LED2_FD */
reg16 |= 0x10;
else if ((ledvalue & LED2_USB3_MASK) == 0) /* LED2_USB3 */
reg16 |= 0x20;
ax_write_cmd(axdev, AX_ACCESS_MAC, 0x73, 1, 1, ®16);
return 0;
}
static void ax88179_EEE_setting(struct ax_device *axdev)
{
u16 reg16;
/* Disable */
reg16 = 0x07;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, ®16);
reg16 = 0x3c;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, ®16);
reg16 = 0x4007;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, ®16);
reg16 = 0x00;
ax_write_cmd(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, ®16);
}
static int ax88179_AutoDetach(struct ax_device *axdev, int in_pm)
{
u16 reg16;
usb_read_function fnr;
usb_write_function fnw;
if (!in_pm) {
fnr = ax_read_cmd;
fnw = ax_write_cmd;
} else {
fnr = ax_read_cmd_nopm;
fnw = ax_write_cmd_nopm;
}
if (fnr(axdev, AX_ACCESS_EEPROM, 0x43, 1, 2, ®16, 1) < 0)
return 0;
if ((reg16 == 0xFFFF) || (!(reg16 & 0x0100)))
return 0;
reg16 = 0;
fnr(axdev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, ®16, 0);
reg16 |= AX_CLK_SELECT_ULR;
fnw(axdev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, ®16);
fnr(axdev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, ®16, 1);
reg16 |= AX_PHYPWR_RSTCTL_AUTODETACH;
fnw(axdev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, ®16);
return 0;
}
static int ax88179_hw_init(struct ax_device *axdev)
{
u32 reg32;
u16 reg16;
u8 reg8;
u8 buf[6] = {0};
reg32 = 0;
ax_write_cmd(axdev, 0x81, 0x310, 0, 4, ®32);
reg16 = 0;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, ®16);
reg16 = AX_PHYPWR_RSTCTL_IPRL;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, ®16);
msleep(200);
reg8 = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, ®8);
msleep(100);
ax88179_AutoDetach(axdev, 0);
memcpy(buf, &AX88179_BULKIN_SIZE[0], 5);
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, buf);
reg8 = 0x34;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW,
1, 1, ®8);
reg8 = 0x52;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1, 1, ®8);
ax_write_cmd(axdev, 0x91, 0, 0, 0, NULL);
reg8 = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, ®8);
reg8 = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, ®8);
reg8 = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
AX_MONITOR_MODE_RWLC | AX_MONITOR_MODE_RWMP;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_MONITOR_MODE, 1, 1, ®8);
ax88179_LED_setting(axdev);
ax88179_EEE_setting(axdev);
ax88179_Gether_setting(axdev);
ax_set_tx_qlen(axdev);
mii_nway_restart(&axdev->mii);
return 0;
}
static int ax88179_bind(struct ax_device *axdev)
{
struct net_device *netdev = axdev->netdev;
PRINT_VERSION(axdev, AX_DRIVER_STRING_179_178A);
netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_SG | NETIF_F_TSO | NETIF_F_FRAGLIST;
netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_SG | NETIF_F_TSO | NETIF_F_FRAGLIST;
netdev->max_mtu = (9 * 1024);
axdev->tx_casecade_size = TX_CASECADES_SIZE;
axdev->gso_max_size = AX_GSO_DEFAULT_SIZE;
axdev->mii.supports_gmii = 1;
axdev->mii.dev = netdev;
axdev->mii.mdio_read = ax_mdio_read;
axdev->mii.mdio_write = ax_mdio_write;
axdev->mii.phy_id_mask = 0xff;
axdev->mii.reg_num_mask = 0xff;
axdev->mii.phy_id = AX88179_PHY_ID;
axdev->mii.force_media = 0;
axdev->mii.advertising = ADVERTISE_10HALF | ADVERTISE_10FULL |
ADVERTISE_100HALF | ADVERTISE_100FULL;
#if KERNEL_VERSION(5, 19, 0) <= LINUX_VERSION_CODE
netif_set_tso_max_size(netdev, axdev->gso_max_size);
#else
netif_set_gso_max_size(netdev, axdev->gso_max_size);
#endif
axdev->bin_setting.custom = 1;
axdev->tx_align_len = 4;
netdev->ethtool_ops = &ax88179_ethtool_ops;
axdev->netdev->netdev_ops = &ax88179_netdev_ops;
return 0;
}
static void ax88179_unbind(struct ax_device *axdev)
{
}
static int ax88179_stop(struct ax_device *axdev)
{
u16 reg16;
reg16 = AX_RX_CTL_STOP;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, ®16);
reg16 = 0;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, ®16);
reg16 = AX_PHYPWR_RSTCTL_BZ;
ax_write_cmd(axdev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, ®16);
msleep(200);
return 0;
}
static int ax88179_link_reset(struct ax_device *axdev)
{
u8 reg8[5], link_sts;
u16 mode, reg16, delay;
u32 reg32;
mode = AX_MEDIUM_TXFLOW_CTRLEN | AX_MEDIUM_RXFLOW_CTRLEN;
ax_read_cmd_nopm(axdev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1, 1, &link_sts, 0);
ax_read_cmd_nopm(axdev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_PHYSR, 2, ®16, 1);
if (!(reg16 & GMII_PHY_PHYSR_LINK)) {
return -1;
} else if (GMII_PHY_PHYSR_GIGA == (reg16 & GMII_PHY_PHYSR_SMASK)) {
mode |= AX_MEDIUM_GIGAMODE;
if (axdev->netdev->mtu > 1500)
mode |= AX_MEDIUM_JUMBO_EN;
if (link_sts & AX_USB_SS)
memcpy(reg8, &AX88179_BULKIN_SIZE[0], 5);
else if (link_sts & AX_USB_HS)
memcpy(reg8, &AX88179_BULKIN_SIZE[1], 5);
else
memcpy(reg8, &AX88179_BULKIN_SIZE[3], 5);
} else if (GMII_PHY_PHYSR_100 == (reg16 & GMII_PHY_PHYSR_SMASK)) {
mode |= AX_MEDIUM_PS;
if (link_sts & (AX_USB_SS | AX_USB_HS))
memcpy(reg8, &AX88179_BULKIN_SIZE[2], 5);
else
memcpy(reg8, &AX88179_BULKIN_SIZE[3], 5);
} else {
memcpy(reg8, &AX88179_BULKIN_SIZE[3], 5);
}
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, reg8);
if (reg16 & GMII_PHY_PHYSR_FULL)
mode |= AX_MEDIUM_FULL_DUPLEX;
ax_read_cmd_nopm(axdev, 0x81, 0x8c, 0, 4, ®32, 1);
delay = HZ / 2;
if (reg32 & 0x40000000) {
unsigned long jtimeout;
u16 temp16 = 0;
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_RX_CTL,
2, 2, &temp16);
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &mode);
jtimeout = jiffies + delay;
while (time_before(jiffies, jtimeout)) {
ax_read_cmd_nopm(axdev, 0x81, 0x8c, 0, 4, ®32, 1);
if (!(reg32 & 0x40000000))
break;
reg32 = 0x80000000;
ax_write_cmd(axdev, 0x81, 0x8c, 0, 4, ®32);
}
temp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_START |
AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_RX_CTL,
2, 2, &temp16);
}
axdev->rxctl |= AX_RX_CTL_DROPCRCERR | AX_RX_CTL_START | AX_RX_CTL_AB;
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_RX_CTL,
2, 2, &axdev->rxctl);
mode |= AX_MEDIUM_RECEIVE_EN;
ax_write_cmd_nopm(axdev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &mode);
return 0;
}
static int ax88179_tx_fixup(struct ax_device *axdev, struct tx_desc *desc)
{
struct sk_buff_head skb_head, *tx_queue = &axdev->tx_queue[0];
struct net_device_stats *stats = &axdev->netdev->stats;
int remain, ret;
u8 *tx_data;
__skb_queue_head_init(&skb_head);
spin_lock(&tx_queue->lock);
skb_queue_splice_init(tx_queue, &skb_head);
spin_unlock(&tx_queue->lock);
tx_data = desc->head;
desc->skb_num = 0;
desc->skb_len = 0;
remain = axdev->tx_casecade_size;
while (remain >= ETH_ZLEN + 8) {
struct sk_buff *skb;
u32 *tx_hdr1, *tx_hdr2;
skb = __skb_dequeue(&skb_head);
if (!skb)
break;
if ((skb->len + AX_TX_HEADER_LEN) > remain &&
(skb_shinfo(skb)->gso_size == 0)) {
__skb_queue_head(&skb_head, skb);
break;
}
memset(tx_data, 0, AX_TX_HEADER_LEN);
tx_hdr1 = (u32 *)tx_data;
tx_hdr2 = tx_hdr1 + 1;
*tx_hdr1 = skb->len;
*tx_hdr2 = skb_shinfo(skb)->gso_size;
cpu_to_le32s(tx_hdr1);
cpu_to_le32s(tx_hdr2);
tx_data += 8;
if (skb_copy_bits(skb, 0, tx_data, skb->len) < 0) {
stats->tx_dropped++;
dev_kfree_skb_any(skb);
continue;
}
tx_data += skb->len;
desc->skb_len += skb->len;
desc->skb_num += skb_shinfo(skb)->gso_segs ?: 1;
dev_kfree_skb_any(skb);
tx_data = __tx_buf_align(tx_data, axdev->tx_align_len);
if (*tx_hdr2 > 0)
break;
remain = axdev->tx_casecade_size -
(int)((void *)tx_data - desc->head);
}
if (!skb_queue_empty(&skb_head)) {
spin_lock(&tx_queue->lock);
skb_queue_splice(&skb_head, tx_queue);
spin_unlock(&tx_queue->lock);
}
netif_tx_lock(axdev->netdev);