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mt76: mt7615: introduce mt7615_mcu_set_hif_suspend mcu command

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Introduce the mt7615_mcu_set_hif_suspend mcu command, which is usually
used to configure the interface including PCIe, USB or SDIO to the right
state during operation suspend / resume.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2020-05-01 12:36:12 +02:00 committed by Felix Fietkau
parent c8646872d6
commit 6f11785200
3 changed files with 38 additions and 1 deletions
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36
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -194,7 +194,8 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
break;
case MCU_UNI_CMD_DEV_INFO_UPDATE:
case MCU_UNI_CMD_BSS_INFO_UPDATE:
case MCU_UNI_CMD_STA_REC_UPDATE: {
case MCU_UNI_CMD_STA_REC_UPDATE:
case MCU_UNI_CMD_HIF_CTRL: {
struct mt7615_mcu_uni_event *event;
skb_pull(skb, sizeof(*rxd));
@ -3220,3 +3221,36 @@ out:
return ret;
}
int mt7615_mcu_set_hif_suspend(struct mt7615_dev *dev, bool suspend)
{
struct {
struct {
u8 hif_type; /* 0x0: HIF_SDIO
* 0x1: HIF_USB
* 0x2: HIF_PCIE
*/
u8 pad[3];
} __packed hdr;
struct hif_suspend_tlv {
__le16 tag;
__le16 len;
u8 suspend;
} __packed hif_suspend;
} req = {
.hif_suspend = {
.tag = cpu_to_le16(0), /* 0: UNI_HIF_CTRL_BASIC */
.len = cpu_to_le16(sizeof(struct hif_suspend_tlv)),
.suspend = suspend,
},
};
if (mt76_is_mmio(&dev->mt76))
req.hdr.hif_type = 2;
else if (mt76_is_usb(&dev->mt76))
req.hdr.hif_type = 1;
return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_HIF_CTRL,
&req, sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt7615_mcu_set_hif_suspend);

1
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -280,6 +280,7 @@ enum {
MCU_UNI_CMD_DEV_INFO_UPDATE = MCU_UNI_PREFIX | 0x01,
MCU_UNI_CMD_BSS_INFO_UPDATE = MCU_UNI_PREFIX | 0x02,
MCU_UNI_CMD_STA_REC_UPDATE = MCU_UNI_PREFIX | 0x03,
MCU_UNI_CMD_HIF_CTRL = MCU_UNI_PREFIX | 0x07,
};
struct mt7615_mcu_uni_event {

2
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -531,6 +531,8 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy);
int mt7615_init_debugfs(struct mt7615_dev *dev);
int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
int mt7615_mcu_set_hif_suspend(struct mt7615_dev *dev, bool suspend);
int __mt7663_load_firmware(struct mt7615_dev *dev);
/* usb */