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Date: Thu, 13 Jul 2017 18:57:54 +0800
From: <liujian56@...wei.com>
To: <davem@...emloft.net>
CC: <yisen.zhuang@...wei.com>, <netdev@...r.kernel.org>,
<linuxarm@...wei.com>, <liujian56@...wei.com>
Subject: [PATCH net] net: hns: add acpi function of xge led control
From: LiuJian <liujian56@...wei.com>
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@...wei.com>
Reviewed-by: John Garry <john.garry@...wei.com>
Reviewed-by: Yunsheng Lin <linyunsheng@...wei.com>
Reviewed-by: Daode Huang <huangdaode@...ilicon.com>
---
drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c | 3 +-
drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c | 58 +++++++++++++++++++++-
2 files changed, 58 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index ff864a1..a37166e 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/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);
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index 7a8addd..408b63f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/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;
--
2.5.0
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