From 3abbcccc6f318f858ffbd4e3d82839b66ff1b960 Mon Sep 17 00:00:00 2001 From: Jian Shen Date: Fri, 29 Dec 2017 17:11:11 +0800 Subject: [PATCH] net: hns: add ACPI mode support for ethtool -p The locate operation interface of fiber port can only work with DT mode. Add a new interface to control the locate led for ACPI mode. Signed-off-by: Jian Shen Signed-off-by: Peng Li Tested-by: Zhou Wang Signed-off-by: David S. Miller --- .../net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 2 +- .../ethernet/hisilicon/hns/hns_dsaf_misc.c | 57 ++++++++++++++++++- 2 files changed, 57 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 8b5cdf490850..cac86e9ae0dd 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -1168,7 +1168,7 @@ void hns_set_led_opt(struct hns_mac_cb *mac_cb) int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb, enum hnae_led_state status) { - if (!mac_cb || !mac_cb->cpld_ctrl) + if (!mac_cb) return 0; return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index 408b63faf9a8..ca247c2cc238 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -18,6 +18,7 @@ enum _dsm_op_index { 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 { @@ -81,6 +82,33 @@ static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type, 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) { @@ -160,6 +188,9 @@ static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb) static int cpld_set_led_id(struct hns_mac_cb *mac_cb, enum hnae_led_state status) { + if (!mac_cb->cpld_ctrl) + return 0; + switch (status) { case HNAE_LED_ACTIVE: mac_cb->cpld_led_value = @@ -184,6 +215,30 @@ static int cpld_set_led_id(struct hns_mac_cb *mac_cb, 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, @@ -660,7 +715,7 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) } 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; + 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; -- 2.20.1