net: hns: add acpi function of xge led control

The current code only support DT method to control xge led.
This patch is the implementation of acpi method to control xge led.
Signed-off-by: LiuJian <liujian56@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com>
Reviewed-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c

@@ -776,8 +776,9 @@ void hns_ae_update_led_status(struct hnae_handle *handle)
 
 	assert(handle);
 	mac_cb = hns_get_mac_cb(handle);
-	if (!mac_cb->cpld_ctrl)
+	if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
 		return;
+
 	hns_set_led_opt(mac_cb);
 }
 

drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c

@@ -53,6 +53,34 @@ static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 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_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
 			     u16 speed, int data)
 {
@@ -93,6 +121,18 @@ static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
 	}
 }
 
+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)
@@ -103,6 +143,20 @@ static void cpld_led_reset(struct hns_mac_cb *mac_cb)
 	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)
 {
@@ -604,8 +658,8 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
 
 		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;
-		misc_op->cpld_reset_led = cpld_led_reset;
+		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;
 
 		misc_op->dsaf_reset = hns_dsaf_rst_acpi;