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OpenCloudOS-Kernel/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c

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/*
* Copyright (c) 2014-2015 Hisilicon 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 "hns_dsaf_mac.h"
#include "hns_dsaf_misc.h"
#include "hns_dsaf_ppe.h"
#include "hns_dsaf_reg.h"
enum _dsm_op_index {
HNS_OP_RESET_FUNC = 0x1,
HNS_OP_SERDES_LP_FUNC = 0x2,
HNS_OP_LED_SET_FUNC = 0x3,
HNS_OP_GET_PORT_TYPE_FUNC = 0x4,
HNS_OP_GET_SFP_STAT_FUNC = 0x5,
HNS_OP_LOCATE_LED_SET_FUNC = 0x6,
};
enum _dsm_rst_type {
HNS_DSAF_RESET_FUNC = 0x1,
HNS_PPE_RESET_FUNC = 0x2,
HNS_XGE_RESET_FUNC = 0x4,
HNS_GE_RESET_FUNC = 0x5,
HNS_DSAF_CHN_RESET_FUNC = 0x6,
HNS_ROCE_RESET_FUNC = 0x7,
};
static const guid_t hns_dsaf_acpi_dsm_guid =
GUID_INIT(0x1A85AA1A, 0xE293, 0x415E,
0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A);
static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val)
{
if (dsaf_dev->sub_ctrl)
dsaf_write_syscon(dsaf_dev->sub_ctrl, reg, val);
else
dsaf_write_reg(dsaf_dev->sc_base, reg, val);
}
static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg)
{
u32 ret = 0;
int err;
if (dsaf_dev->sub_ctrl) {
err = dsaf_read_syscon(dsaf_dev->sub_ctrl, reg, &ret);
if (err)
dev_err(dsaf_dev->dev, "dsaf_read_syscon error %d!\n",
err);
} else {
ret = dsaf_read_reg(dsaf_dev->sc_base, reg);
}
return ret;
}
static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type,
u32 link, u32 port, u32 act)
{
union acpi_object *obj;
union acpi_object obj_args[3], argv4;
obj_args[0].integer.type = ACPI_TYPE_INTEGER;
obj_args[0].integer.value = link;
obj_args[1].integer.type = ACPI_TYPE_INTEGER;
obj_args[1].integer.value = port;
obj_args[2].integer.type = ACPI_TYPE_INTEGER;
obj_args[2].integer.value = act;
argv4.type = ACPI_TYPE_PACKAGE;
argv4.package.count = 3;
argv4.package.elements = obj_args;
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
if (!obj) {
dev_warn(mac_cb->dev, "ledctrl fail, link:%d port:%d act:%d!\n",
link, port, act);
return;
}
ACPI_FREE(obj);
}
static void hns_dsaf_acpi_locate_ledctrl_by_port(struct hns_mac_cb *mac_cb,
u8 op_type, u32 locate,
u32 port)
{
union acpi_object obj_args[2], argv4;
union acpi_object *obj;
obj_args[0].integer.type = ACPI_TYPE_INTEGER;
obj_args[0].integer.value = locate;
obj_args[1].integer.type = ACPI_TYPE_INTEGER;
obj_args[1].integer.value = port;
argv4.type = ACPI_TYPE_PACKAGE;
argv4.package.count = 2;
argv4.package.elements = obj_args;
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
if (!obj) {
dev_err(mac_cb->dev, "ledctrl fail, locate:%d port:%d!\n",
locate, port);
return;
}
ACPI_FREE(obj);
}
static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
u16 speed, int data)
{
int speed_reg = 0;
u8 value;
if (!mac_cb) {
pr_err("sfp_led_opt mac_dev is null!\n");
return;
}
if (!mac_cb->cpld_ctrl) {
dev_err(mac_cb->dev, "mac_id=%d, cpld syscon is null !\n",
mac_cb->mac_id);
return;
}
if (speed == MAC_SPEED_10000)
speed_reg = 1;
value = mac_cb->cpld_led_value;
if (link_status) {
dsaf_set_bit(value, DSAF_LED_LINK_B, link_status);
dsaf_set_field(value, DSAF_LED_SPEED_M,
DSAF_LED_SPEED_S, speed_reg);
dsaf_set_bit(value, DSAF_LED_DATA_B, data);
if (value != mac_cb->cpld_led_value) {
dsaf_write_syscon(mac_cb->cpld_ctrl,
mac_cb->cpld_ctrl_reg, value);
mac_cb->cpld_led_value = value;
}
} else {
value = (mac_cb->cpld_led_value) & (0x1 << DSAF_LED_ANCHOR_B);
dsaf_write_syscon(mac_cb->cpld_ctrl,
mac_cb->cpld_ctrl_reg, value);
mac_cb->cpld_led_value = value;
}
}
static void hns_cpld_set_led_acpi(struct hns_mac_cb *mac_cb, int link_status,
u16 speed, int data)
{
if (!mac_cb) {
pr_err("cpld_led_set mac_cb is null!\n");
return;
}
hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
link_status, mac_cb->mac_id, data);
}
static void cpld_led_reset(struct hns_mac_cb *mac_cb)
{
if (!mac_cb || !mac_cb->cpld_ctrl)
return;
dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
CPLD_LED_DEFAULT_VALUE);
mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
}
static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb)
{
if (!mac_cb) {
pr_err("cpld_led_reset mac_cb is null!\n");
return;
}
if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
return;
hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
0, mac_cb->mac_id, 0);
}
static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
enum hnae_led_state status)
{
u32 val = 0;
int ret;
if (!mac_cb->cpld_ctrl)
return 0;
switch (status) {
case HNAE_LED_ACTIVE:
ret = dsaf_read_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
&val);
if (ret)
return ret;
dsaf_set_bit(val, DSAF_LED_ANCHOR_B, CPLD_LED_ON_VALUE);
dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
val);
mac_cb->cpld_led_value = val;
break;
case HNAE_LED_INACTIVE:
dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
CPLD_LED_DEFAULT_VALUE);
dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
mac_cb->cpld_led_value);
break;
default:
dev_err(mac_cb->dev, "invalid led state: %d!", status);
return -EINVAL;
}
return 0;
}
static int cpld_set_led_id_acpi(struct hns_mac_cb *mac_cb,
enum hnae_led_state status)
{
switch (status) {
case HNAE_LED_ACTIVE:
hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
HNS_OP_LOCATE_LED_SET_FUNC,
CPLD_LED_ON_VALUE,
mac_cb->mac_id);
break;
case HNAE_LED_INACTIVE:
hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
HNS_OP_LOCATE_LED_SET_FUNC,
CPLD_LED_DEFAULT_VALUE,
mac_cb->mac_id);
break;
default:
dev_err(mac_cb->dev, "invalid led state: %d!", status);
return -EINVAL;
}
return 0;
}
#define RESET_REQ_OR_DREQ 1
static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type,
u32 port_type, u32 port, u32 val)
{
union acpi_object *obj;
union acpi_object obj_args[3], argv4;
obj_args[0].integer.type = ACPI_TYPE_INTEGER;
obj_args[0].integer.value = port_type;
obj_args[1].integer.type = ACPI_TYPE_INTEGER;
obj_args[1].integer.value = port;
obj_args[2].integer.type = ACPI_TYPE_INTEGER;
obj_args[2].integer.value = val;
argv4.type = ACPI_TYPE_PACKAGE;
argv4.package.count = 3;
argv4.package.elements = obj_args;
obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev),
&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
if (!obj) {
dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!",
port_type, port);
return;
}
ACPI_FREE(obj);
}
static void hns_dsaf_rst(struct dsaf_device *dsaf_dev, bool dereset)
{
u32 xbar_reg_addr;
u32 nt_reg_addr;
if (!dereset) {
xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG;
nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG;
} else {
xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG;
nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG;
}
dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ);
dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ);
}
static void hns_dsaf_rst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_DSAF_RESET_FUNC,
0, dereset);
}
static void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
bool dereset)
{
u32 reg_val = 0;
u32 reg_addr;
if (port >= DSAF_XGE_NUM)
return;
reg_val |= RESET_REQ_OR_DREQ;
reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off;
if (!dereset)
reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
u32 port, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_XGE_RESET_FUNC, port, dereset);
}
/**
* hns_dsaf_srst_chns - reset dsaf channels
* @dsaf_dev: dsaf device struct pointer
* @msk: xbar channels mask value:
* bit0-5 for xge0-5
* bit6-11 for ppe0-5
* bit12-17 for roce0-5
* bit18-19 for com/dfx
* @enable: false - request reset , true - drop reset
*/
static void
hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
{
u32 reg_addr;
if (!dereset)
reg_addr = DSAF_SUB_SC_DSAF_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_DSAF_RESET_DREQ_REG;
dsaf_write_sub(dsaf_dev, reg_addr, msk);
}
/**
* hns_dsaf_srst_chns - reset dsaf channels
* @dsaf_dev: dsaf device struct pointer
* @msk: xbar channels mask value:
* bit0-5 for xge0-5
* bit6-11 for ppe0-5
* bit12-17 for roce0-5
* bit18-19 for com/dfx
* @enable: false - request reset , true - drop reset
*/
static void
hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_DSAF_CHN_RESET_FUNC,
msk, dereset);
}
static void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool dereset)
{
if (!dereset) {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_RESET_REQ_REG, 1);
} else {
dsaf_write_sub(dsaf_dev,
DSAF_SUB_SC_ROCEE_CLK_DIS_REG, 1);
dsaf_write_sub(dsaf_dev,
DSAF_SUB_SC_ROCEE_RESET_DREQ_REG, 1);
msleep(20);
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_CLK_EN_REG, 1);
}
}
static void hns_dsaf_roce_srst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_ROCE_RESET_FUNC, 0, dereset);
}
static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
bool dereset)
{
u32 reg_val_1;
u32 reg_val_2;
u32 port_rst_off;
if (port >= DSAF_GE_NUM)
return;
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
reg_val_1 = 0x1 << port;
port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
/* there is difference between V1 and V2 in register.*/
reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
0x1041041 : 0x2082082;
reg_val_2 <<= port_rst_off;
if (!dereset) {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
reg_val_1);
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG,
reg_val_2);
} else {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG,
reg_val_2);
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
reg_val_1);
}
} else {
reg_val_1 = 0x15540;
reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
reg_val_1 <<= dsaf_dev->reset_offset;
reg_val_2 <<= dsaf_dev->reset_offset;
if (!dereset) {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
reg_val_1);
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG,
reg_val_2);
} else {
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
reg_val_1);
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG,
reg_val_2);
}
}
}
static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
u32 port, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_GE_RESET_FUNC, port, dereset);
}
static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
bool dereset)
{
u32 reg_val = 0;
u32 reg_addr;
reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
if (!dereset)
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
static void
hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
{
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
HNS_PPE_RESET_FUNC, port, dereset);
}
static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
{
u32 reg_val;
u32 reg_addr;
if (!(dev_of_node(dsaf_dev->dev)))
return;
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
reg_val = RESET_REQ_OR_DREQ;
if (!dereset)
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
} else {
reg_val = 0x100 << dsaf_dev->reset_offset;
if (!dereset)
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
else
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
}
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
}
/**
* hns_mac_get_sds_mode - get phy ifterface form serdes mode
* @mac_cb: mac control block
* retuen phy interface
*/
static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
{
u32 mode;
u32 reg;
bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
int mac_id = mac_cb->mac_id;
phy_interface_t phy_if;
if (is_ver1) {
if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev))
return PHY_INTERFACE_MODE_SGMII;
if (mac_id >= 0 && mac_id <= 3)
reg = HNS_MAC_HILINK4_REG;
else
reg = HNS_MAC_HILINK3_REG;
} else{
if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3)
reg = HNS_MAC_HILINK4V2_REG;
else
reg = HNS_MAC_HILINK3V2_REG;
}
mode = dsaf_read_sub(mac_cb->dsaf_dev, reg);
if (dsaf_get_bit(mode, mac_cb->port_mode_off))
phy_if = PHY_INTERFACE_MODE_XGMII;
else
phy_if = PHY_INTERFACE_MODE_SGMII;
return phy_if;
}
static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
{
phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
union acpi_object *obj;
union acpi_object obj_args, argv4;
obj_args.integer.type = ACPI_TYPE_INTEGER;
obj_args.integer.value = mac_cb->mac_id;
argv4.type = ACPI_TYPE_PACKAGE,
argv4.package.count = 1,
argv4.package.elements = &obj_args,
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
&hns_dsaf_acpi_dsm_guid, 0,
HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
if (!obj || obj->type != ACPI_TYPE_INTEGER)
return phy_if;
phy_if = obj->integer.value ?
PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
ACPI_FREE(obj);
return phy_if;
}
static int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
{
u32 val = 0;
int ret;
if (!mac_cb->cpld_ctrl)
return -ENODEV;
ret = dsaf_read_syscon(mac_cb->cpld_ctrl,
mac_cb->cpld_ctrl_reg + MAC_SFP_PORT_OFFSET,
&val);
if (ret)
return ret;
*sfp_prsnt = !val;
return 0;
}
static int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
{
union acpi_object *obj;
union acpi_object obj_args, argv4;
obj_args.integer.type = ACPI_TYPE_INTEGER;
obj_args.integer.value = mac_cb->mac_id;
argv4.type = ACPI_TYPE_PACKAGE,
argv4.package.count = 1,
argv4.package.elements = &obj_args,
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
&hns_dsaf_acpi_dsm_guid, 0,
HNS_OP_GET_SFP_STAT_FUNC, &argv4);
if (!obj || obj->type != ACPI_TYPE_INTEGER)
return -ENODEV;
*sfp_prsnt = obj->integer.value;
ACPI_FREE(obj);
return 0;
}
/**
* hns_mac_config_sds_loopback - set loop back for serdes
* @mac_cb: mac control block
* retuen 0 == success
*/
static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
{
const u8 lane_id[] = {
0, /* mac 0 -> lane 0 */
1, /* mac 1 -> lane 1 */
2, /* mac 2 -> lane 2 */
3, /* mac 3 -> lane 3 */
2, /* mac 4 -> lane 2 */
3, /* mac 5 -> lane 3 */
0, /* mac 6 -> lane 0 */
1 /* mac 7 -> lane 1 */
};
#define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2)
u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0);
int sfp_prsnt = 0;
int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
if (!mac_cb->phy_dev) {
if (ret)
pr_info("please confirm sfp is present or not\n");
else
if (!sfp_prsnt)
pr_info("no sfp in this eth\n");
}
if (mac_cb->serdes_ctrl) {
u32 origin = 0;
if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
#define HILINK_ACCESS_SEL_CFG 0x40008
/* hilink4 & hilink3 use the same xge training and
* xge u adaptor. There is a hilink access sel cfg
* register to select which one to be configed
*/
if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
(mac_cb->mac_id <= 3))
dsaf_write_syscon(mac_cb->serdes_ctrl,
HILINK_ACCESS_SEL_CFG, 0);
else
dsaf_write_syscon(mac_cb->serdes_ctrl,
HILINK_ACCESS_SEL_CFG, 3);
}
ret = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset,
&origin);
if (ret)
return ret;
dsaf_set_field(origin, 1ull << 10, 10, en);
dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
} else {
u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
(mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
}
return 0;
}
static int
hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
{
union acpi_object *obj;
union acpi_object obj_args[3], argv4;
obj_args[0].integer.type = ACPI_TYPE_INTEGER;
obj_args[0].integer.value = mac_cb->mac_id;
obj_args[1].integer.type = ACPI_TYPE_INTEGER;
obj_args[1].integer.value = !!en;
argv4.type = ACPI_TYPE_PACKAGE;
argv4.package.count = 2;
argv4.package.elements = obj_args;
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
&hns_dsaf_acpi_dsm_guid, 0,
HNS_OP_SERDES_LP_FUNC, &argv4);
if (!obj) {
dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
mac_cb->mac_id);
return -ENOTSUPP;
}
ACPI_FREE(obj);
return 0;
}
struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
{
struct dsaf_misc_op *misc_op;
misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
if (!misc_op)
return NULL;
if (dev_of_node(dsaf_dev->dev)) {
misc_op->cpld_set_led = hns_cpld_set_led;
misc_op->cpld_reset_led = cpld_led_reset;
misc_op->cpld_set_led_id = cpld_set_led_id;
misc_op->dsaf_reset = hns_dsaf_rst;
misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
misc_op->ppe_srst = hns_ppe_srst_by_port;
misc_op->ppe_comm_srst = hns_ppe_com_srst;
misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns;
misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst;
misc_op->get_phy_if = hns_mac_get_phy_if;
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
} else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
misc_op->cpld_set_led = hns_cpld_set_led_acpi;
misc_op->cpld_reset_led = cpld_led_reset_acpi;
misc_op->cpld_set_led_id = cpld_set_led_id_acpi;
misc_op->dsaf_reset = hns_dsaf_rst_acpi;
misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
misc_op->ppe_comm_srst = hns_ppe_com_srst;
misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi;
misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi;
misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt_acpi;
misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
} else {
devm_kfree(dsaf_dev->dev, (void *)misc_op);
misc_op = NULL;
}
return (void *)misc_op;
}
static int hns_dsaf_dev_match(struct device *dev, void *fwnode)
{
return dev->fwnode == fwnode;
}
struct
platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode)
{
struct device *dev;
dev = bus_find_device(&platform_bus_type, NULL,
fwnode, hns_dsaf_dev_match);
return dev ? to_platform_device(dev) : NULL;
}
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