diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index f1d7c05bd794d..718f427d8f6b2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -10,6 +10,7 @@ #define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1) #define FW_FEATURE_ENCRY_MODE BIT(4) #define FW_FEATURE_OVERRIDE_ADDR BIT(5) +#define FW_FEATURE_NON_DL BIT(6) #define DL_MODE_ENCRYPT BIT(0) #define DL_MODE_KEY_IDX GENMASK(2, 1) @@ -33,6 +34,12 @@ #define PATCH_SEC_ENC_SCRAMBLE_INFO_MASK GENMASK(15, 0) #define PATCH_SEC_ENC_AES_KEY_MASK GENMASK(7, 0) +enum { + FW_TYPE_DEFAULT = 0, + FW_TYPE_CLC = 2, + FW_TYPE_MAX_NUM = 255 +}; + #define MCU_PQ_ID(p, q) (((p) << 15) | ((q) << 10)) #define MCU_PKT_ID 0xa0 @@ -174,7 +181,8 @@ struct mt76_connac2_fw_region { __le32 addr; __le32 len; u8 feature_set; - u8 rsv1[15]; + u8 type; + u8 rsv1[14]; } __packed; struct tlv { @@ -1172,6 +1180,7 @@ enum { MCU_CE_CMD_SET_ROC = 0x1c, MCU_CE_CMD_SET_EDCA_PARMS = 0x1d, MCU_CE_CMD_SET_P2P_OPPPS = 0x33, + MCU_CE_CMD_SET_CLC = 0x5c, MCU_CE_CMD_SET_RATE_TX_POWER = 0x5d, MCU_CE_CMD_SCHED_SCAN_ENABLE = 0x61, MCU_CE_CMD_SCHED_SCAN_REQ = 0x62, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h index 54f30401343c8..4b647278eb305 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.h @@ -11,12 +11,15 @@ enum mt7921_eeprom_field { MT_EE_VERSION = 0x002, MT_EE_MAC_ADDR = 0x004, MT_EE_WIFI_CONF = 0x07c, - __MT_EE_MAX = 0x3bf + MT_EE_HW_TYPE = 0x55b, + __MT_EE_MAX = 0x9ff }; #define MT_EE_WIFI_CONF_TX_MASK BIT(0) #define MT_EE_WIFI_CONF_BAND_SEL GENMASK(3, 2) +#define MT_EE_HW_TYPE_ENCAP BIT(0) + enum mt7921_eeprom_band { MT_EE_NA, MT_EE_5GHZ, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index cd960e23770ff..dcdb3cf04ac1b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -39,6 +39,7 @@ mt7921_regd_notifier(struct wiphy *wiphy, dev->mt76.region = request->dfs_region; mt7921_mutex_acquire(dev); + mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env); mt76_connac_mcu_set_channel_domain(hw->priv); mt7921_set_tx_sar_pwr(hw, NULL); mt7921_mutex_release(dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index da12d0ae08354..67bf92969a7b7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -2,14 +2,20 @@ /* Copyright (C) 2020 MediaTek Inc. */ #include +#include #include "mt7921.h" #include "mt7921_trace.h" +#include "eeprom.h" #include "mcu.h" #include "mac.h" #define MT_STA_BFER BIT(0) #define MT_STA_BFEE BIT(1) +static bool mt7921_disable_clc; +module_param_named(disable_clc, mt7921_disable_clc, bool, 0644); +MODULE_PARM_DESC(disable_clc, "disable CLC support"); + static int mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb) { @@ -84,6 +90,27 @@ int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, } EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response); +static int mt7921_mcu_read_eeprom(struct mt7921_dev *dev, u32 offset, u8 *val) +{ + struct mt7921_mcu_eeprom_info *res, req = { + .addr = cpu_to_le32(round_down(offset, + MT7921_EEPROM_BLOCK_SIZE)), + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS), + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + res = (struct mt7921_mcu_eeprom_info *)skb->data; + *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE]; + dev_kfree_skb(skb); + + return 0; +} + #ifdef CONFIG_PM static int @@ -354,6 +381,90 @@ static char *mt7921_ram_name(struct mt7921_dev *dev) return ret; } +static int mt7921_load_clc(struct mt7921_dev *dev, const char *fw_name) +{ + const struct mt76_connac2_fw_trailer *hdr; + const struct mt76_connac2_fw_region *region; + const struct mt7921_clc *clc; + struct mt76_dev *mdev = &dev->mt76; + struct mt7921_phy *phy = &dev->phy; + const struct firmware *fw; + int ret, i, len, offset = 0; + u8 *clc_base = NULL, hw_encap = 0; + + if (mt7921_disable_clc || + mt76_is_usb(&dev->mt76)) + return 0; + + if (mt76_is_mmio(&dev->mt76)) { + ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap); + if (ret) + return ret; + hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP); + } + + ret = request_firmware(&fw, fw_name, mdev->dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(mdev->dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); + for (i = 0; i < hdr->n_region; i++) { + region = (const void *)((const u8 *)hdr - + (hdr->n_region - i) * sizeof(*region)); + len = le32_to_cpu(region->len); + + /* check if we have valid buffer size */ + if (offset + len > fw->size) { + dev_err(mdev->dev, "Invalid firmware region\n"); + ret = -EINVAL; + goto out; + } + + if ((region->feature_set & FW_FEATURE_NON_DL) && + region->type == FW_TYPE_CLC) { + clc_base = (u8 *)(fw->data + offset); + break; + } + offset += len; + } + + if (!clc_base) + goto out; + + for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) { + clc = (const struct mt7921_clc *)(clc_base + offset); + + /* do not init buf again if chip reset triggered */ + if (phy->clc[clc->idx]) + continue; + + /* header content sanity */ + if (clc->idx == MT7921_CLC_POWER && + u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap) + continue; + + phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc, + le32_to_cpu(clc->len), + GFP_KERNEL); + + if (!phy->clc[clc->idx]) { + ret = -ENOMEM; + goto out; + } + } + ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR); +out: + release_firmware(fw); + + return ret; +} + static int mt7921_load_firmware(struct mt7921_dev *dev) { int ret; @@ -423,6 +534,10 @@ int mt7921_run_firmware(struct mt7921_dev *dev) return err; set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + err = mt7921_load_clc(dev, mt7921_ram_name(dev)); + if (err) + return err; + return mt7921_mcu_fw_log_2_host(dev, 1); } EXPORT_SYMBOL_GPL(mt7921_run_firmware); @@ -930,3 +1045,86 @@ mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev, return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), &req, sizeof(req), true); } + +static +int __mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2, + enum environment_cap env_cap, + struct mt7921_clc *clc, + u8 idx) +{ + struct sk_buff *skb; + struct { + u8 ver; + u8 pad0; + __le16 len; + u8 idx; + u8 env; + u8 pad1[2]; + u8 alpha2[2]; + u8 type[2]; + u8 rsvd[64]; + } __packed req = { + .idx = idx, + .env = env_cap, + }; + int ret, valid_cnt = 0; + u8 i, *pos; + + if (!clc) + return 0; + + pos = clc->data; + for (i = 0; i < clc->nr_country; i++) { + struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos; + u16 len = le16_to_cpu(rule->len); + + pos += len + sizeof(*rule); + if (rule->alpha2[0] != alpha2[0] || + rule->alpha2[1] != alpha2[1]) + continue; + + memcpy(req.alpha2, rule->alpha2, 2); + memcpy(req.type, rule->type, 2); + + req.len = cpu_to_le16(sizeof(req) + len); + skb = __mt76_mcu_msg_alloc(&dev->mt76, &req, + le16_to_cpu(req.len), + sizeof(req), GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_put_data(skb, rule->data, len); + + ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_CE_CMD(SET_CLC), false); + if (ret < 0) + return ret; + valid_cnt++; + } + + if (!valid_cnt) + return -ENOENT; + + return 0; +} + +int mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2, + enum environment_cap env_cap) +{ + struct mt7921_phy *phy = (struct mt7921_phy *)&dev->phy; + int i, ret; + + /* submit all clc config */ + for (i = 0; i < ARRAY_SIZE(phy->clc); i++) { + ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap, + phy->clc[i], i); + + /* If no country found, set "00" as default */ + if (ret == -ENOENT) + ret = __mt7921_mcu_set_clc(dev, "00", + ENVIRON_INDOOR, + phy->clc[i], i); + if (ret < 0) + return ret; + } + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h index 0d20f7d8d4746..96dc870fd35e8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -41,7 +41,7 @@ enum { struct mt7921_mcu_eeprom_info { __le32 addr; __le32 valid; - u8 data[16]; + u8 data[MT7921_EEPROM_BLOCK_SIZE]; } __packed; #define MT_RA_RATE_NSS GENMASK(8, 6) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 785ca0b93321b..eaba114a9c7e4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -41,6 +41,8 @@ #define MT7921_EEPROM_SIZE 3584 #define MT7921_TOKEN_SIZE 8192 +#define MT7921_EEPROM_BLOCK_SIZE 16 + #define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */ #define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */ @@ -148,6 +150,29 @@ struct mib_stats { u32 tx_amsdu_cnt; }; +enum { + MT7921_CLC_POWER, + MT7921_CLC_CHAN, + MT7921_CLC_MAX_NUM, +}; + +struct mt7921_clc_rule { + u8 alpha2[2]; + u8 type[2]; + __le16 len; + u8 data[]; +} __packed; + +struct mt7921_clc { + __le32 len; + u8 idx; + u8 ver; + u8 nr_country; + u8 type; + u8 rsv[8]; + u8 data[]; +}; + struct mt7921_phy { struct mt76_phy *mt76; struct mt7921_dev *dev; @@ -173,6 +198,8 @@ struct mt7921_phy { #ifdef CONFIG_ACPI struct mt7921_acpi_sar *acpisar; #endif + + struct mt7921_clc *clc[MT7921_CLC_MAX_NUM]; }; #define mt7921_init_reset(dev) ((dev)->hif_ops->init_reset(dev)) @@ -478,4 +505,7 @@ mt7921_init_acpi_sar_power(struct mt7921_phy *phy, bool set_default) #endif int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, const struct cfg80211_sar_specs *sar); + +int mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2, + enum environment_cap env_cap); #endif