2020-01-21 14:14:39

by Ryder Lee

[permalink] [raw]
Subject: [PATCH 4/7] mt76: mt7615: adjust command flow for firmware v2

Add fw_version in mt7615_dev to adapt new firmware version.

Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Tested-by: Sean Wang <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 16 ++++++++++++----
.../net/wireless/mediatek/mt76/mt7615/mt7615.h | 5 +++++
2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 6bef0dcb83b7..c055949b289c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -491,6 +491,11 @@ static int mt7615_load_ram(struct mt7615_dev *dev)
goto out;
}

+ if (!strncmp(hdr->fw_ver, "mtk_v2", 6))
+ dev->fw_ver = MT7615_FIRMWARE_V2;
+ else
+ dev->fw_ver = MT7615_FIRMWARE_V1;
+
release_firmware(fw);

ret = request_firmware(&fw, MT7615_FIRMWARE_CR4, dev->mt76.dev);
@@ -992,18 +997,21 @@ static int
mt7615_mcu_send_sta_rec(struct mt7615_dev *dev, u8 *req, u8 *wreq,
u8 wlen, bool enable)
{
- u32 slen = wreq - req;
+ bool is_v1 = (dev->fw_ver == MT7615_FIRMWARE_V1) ? true : false;
+ u32 slen = is_v1 ? wreq - req : wreq - req + wlen;

- if (!enable) {
+ if (is_v1 && !enable) {
__mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
req, slen, true);

return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
wreq, wlen, true);
+
}

- __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE, wreq,
- wlen, true);
+ if (is_v1)
+ __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
+ wreq, wlen, true);

return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
req, slen, true);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 9bd926d6963f..fa39632cd2bd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -30,6 +30,9 @@
#define MT7615_FIRMWARE_N9 "mediatek/mt7615_n9.bin"
#define MT7615_ROM_PATCH "mediatek/mt7615_rom_patch.bin"

+#define MT7615_FIRMWARE_V1 1
+#define MT7615_FIRMWARE_V2 2
+
#define MT7615_EEPROM_SIZE 1024
#define MT7615_TOKEN_SIZE 4096

@@ -144,6 +147,8 @@ struct mt7615_dev {

spinlock_t token_lock;
struct idr token;
+
+ u8 fw_ver;
};

enum {
--
2.18.0