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authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 17:29:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 17:29:33 -0700
commit29d9f30d4ce6c7a38745a54a8cddface10013490 (patch)
tree85649ba6a7b39203584d8db9365e03f64e62c136 /drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
parent56a451b780676bc1cdac011735fe2869fa2e9abf (diff)
parent7f80ccfe996871ca69648efee74a60ae7ad0dcd9 (diff)
downloadlinux-29d9f30d4ce6c7a38745a54a8cddface10013490.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: "Highlights: 1) Fix the iwlwifi regression, from Johannes Berg. 2) Support BSS coloring and 802.11 encapsulation offloading in hardware, from John Crispin. 3) Fix some potential Spectre issues in qtnfmac, from Sergey Matyukevich. 4) Add TTL decrement action to openvswitch, from Matteo Croce. 5) Allow paralleization through flow_action setup by not taking the RTNL mutex, from Vlad Buslov. 6) A lot of zero-length array to flexible-array conversions, from Gustavo A. R. Silva. 7) Align XDP statistics names across several drivers for consistency, from Lorenzo Bianconi. 8) Add various pieces of infrastructure for offloading conntrack, and make use of it in mlx5 driver, from Paul Blakey. 9) Allow using listening sockets in BPF sockmap, from Jakub Sitnicki. 10) Lots of parallelization improvements during configuration changes in mlxsw driver, from Ido Schimmel. 11) Add support to devlink for generic packet traps, which report packets dropped during ACL processing. And use them in mlxsw driver. From Jiri Pirko. 12) Support bcmgenet on ACPI, from Jeremy Linton. 13) Make BPF compatible with RT, from Thomas Gleixnet, Alexei Starovoitov, and your's truly. 14) Support XDP meta-data in virtio_net, from Yuya Kusakabe. 15) Fix sysfs permissions when network devices change namespaces, from Christian Brauner. 16) Add a flags element to ethtool_ops so that drivers can more simply indicate which coalescing parameters they actually support, and therefore the generic layer can validate the user's ethtool request. Use this in all drivers, from Jakub Kicinski. 17) Offload FIFO qdisc in mlxsw, from Petr Machata. 18) Support UDP sockets in sockmap, from Lorenz Bauer. 19) Fix stretch ACK bugs in several TCP congestion control modules, from Pengcheng Yang. 20) Support virtual functiosn in octeontx2 driver, from Tomasz Duszynski. 21) Add region operations for devlink and use it in ice driver to dump NVM contents, from Jacob Keller. 22) Add support for hw offload of MACSEC, from Antoine Tenart. 23) Add support for BPF programs that can be attached to LSM hooks, from KP Singh. 24) Support for multiple paths, path managers, and counters in MPTCP. From Peter Krystad, Paolo Abeni, Florian Westphal, Davide Caratti, and others. 25) More progress on adding the netlink interface to ethtool, from Michal Kubecek" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2121 commits) net: ipv6: rpl_iptunnel: Fix potential memory leak in rpl_do_srh_inline cxgb4/chcr: nic-tls stats in ethtool net: dsa: fix oops while probing Marvell DSA switches net/bpfilter: remove superfluous testing message net: macb: Fix handling of fixed-link node net: dsa: ksz: Select KSZ protocol tag netdevsim: dev: Fix memory leak in nsim_dev_take_snapshot_write net: stmmac: add EHL 2.5Gbps PCI info and PCI ID net: stmmac: add EHL PSE0 & PSE1 1Gbps PCI info and PCI ID net: stmmac: create dwmac-intel.c to contain all Intel platform net: dsa: bcm_sf2: Support specifying VLAN tag egress rule net: dsa: bcm_sf2: Add support for matching VLAN TCI net: dsa: bcm_sf2: Move writing of CFP_DATA(5) into slicing functions net: dsa: bcm_sf2: Check earlier for FLOW_EXT and FLOW_MAC_EXT net: dsa: bcm_sf2: Disable learning for ASP port net: dsa: b53: Deny enslaving port 7 for 7278 into a bridge net: dsa: b53: Prevent tagged VLAN on port 7 for 7278 net: dsa: b53: Restore VLAN entries upon (re)configuration net: dsa: bcm_sf2: Fix overflow checks hv_netvsc: Remove unnecessary round_up for recv_completion_cnt ...
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c92
1 files changed, 74 insertions, 18 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index 17e277bf39e0..dfa9a08b896d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -84,17 +84,30 @@ static int mt7615_check_eeprom(struct mt76_dev *dev)
switch (val) {
case 0x7615:
+ case 0x7622:
return 0;
default:
return -EINVAL;
}
}
-static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
+static void
+mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
{
- u8 *eeprom = dev->mt76.eeprom.data;
- u8 tx_mask, rx_mask, max_nss;
- u32 val;
+ u8 val, *eeprom = dev->mt76.eeprom.data;
+
+ if (is_mt7663(&dev->mt76)) {
+ /* dual band */
+ dev->mt76.cap.has_2ghz = true;
+ dev->mt76.cap.has_5ghz = true;
+ return;
+ }
+
+ if (is_mt7622(&dev->mt76)) {
+ /* 2GHz only */
+ dev->mt76.cap.has_2ghz = true;
+ return;
+ }
val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL,
eeprom[MT_EE_WIFI_CONF]);
@@ -110,23 +123,34 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
dev->mt76.cap.has_5ghz = true;
break;
}
+}
+
+static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 tx_mask;
- /* read tx-rx mask from eeprom */
- val = mt76_rr(dev, MT_TOP_STRAP_STA);
- max_nss = val & MT_TOP_3NSS ? 3 : 4;
+ mt7615_eeprom_parse_hw_band_cap(dev);
- rx_mask = FIELD_GET(MT_EE_NIC_CONF_RX_MASK,
- eeprom[MT_EE_NIC_CONF_0]);
- if (!rx_mask || rx_mask > max_nss)
- rx_mask = max_nss;
+ if (is_mt7663(&dev->mt76)) {
+ tx_mask = 2;
+ } else {
+ u8 max_nss;
+ u32 val;
- tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
- eeprom[MT_EE_NIC_CONF_0]);
- if (!tx_mask || tx_mask > max_nss)
- tx_mask = max_nss;
+ /* read tx-rx mask from eeprom */
+ val = mt76_rr(dev, MT_TOP_STRAP_STA);
+ max_nss = val & MT_TOP_3NSS ? 3 : 4;
- dev->mt76.chainmask = tx_mask << 8 | rx_mask;
- dev->mt76.antenna_mask = BIT(tx_mask) - 1;
+ tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
+ eeprom[MT_EE_NIC_CONF_0]);
+ if (!tx_mask || tx_mask > max_nss)
+ tx_mask = max_nss;
+ }
+
+ dev->chainmask = BIT(tx_mask) - 1;
+ dev->mphy.antenna_mask = dev->chainmask;
+ dev->phy.chainmask = dev->chainmask;
}
int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,
@@ -209,6 +233,38 @@ static void mt7615_apply_cal_free_data(struct mt7615_dev *dev)
eeprom[ical_nocheck[i]] = otp[ical_nocheck[i]];
}
+static void mt7622_apply_cal_free_data(struct mt7615_dev *dev)
+{
+ static const u16 ical[] = {
+ 0x53, 0x54, 0x55, 0x56, 0xf4, 0xf7, 0x144, 0x156, 0x15b
+ };
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 *otp = dev->mt76.otp.data;
+ int i;
+
+ if (!otp)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ical); i++) {
+ if (!otp[ical[i]])
+ continue;
+
+ eeprom[ical[i]] = otp[ical[i]];
+ }
+}
+
+static void mt7615_cal_free_data(struct mt7615_dev *dev)
+{
+ switch (mt76_chip(&dev->mt76)) {
+ case 0x7622:
+ mt7622_apply_cal_free_data(dev);
+ break;
+ case 0x7615:
+ mt7615_apply_cal_free_data(dev);
+ break;
+ }
+}
+
int mt7615_eeprom_init(struct mt7615_dev *dev)
{
int ret;
@@ -222,7 +278,7 @@ int mt7615_eeprom_init(struct mt7615_dev *dev)
memcpy(dev->mt76.eeprom.data, dev->mt76.otp.data,
MT7615_EEPROM_SIZE);
else
- mt7615_apply_cal_free_data(dev);
+ mt7615_cal_free_data(dev);
mt7615_eeprom_parse_hw_cap(dev);
memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,