mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-28 20:02:17 +00:00
mt76: mt7921: introduce mt7921e support
Introduce support for mt7921e 802.11ax (Wi-Fi 6) 2x2:2SS chipset. Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Co-developed-by: Soul Huang <Soul.Huang@mediatek.com> Signed-off-by: Soul Huang <Soul.Huang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
parent
e0f9fdda81
commit
5c14a5f944
6 changed files with 449 additions and 0 deletions
|
@ -33,3 +33,4 @@ source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
|
||||||
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
|
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
|
||||||
source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig"
|
source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig"
|
||||||
source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig"
|
source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig"
|
||||||
|
source "drivers/net/wireless/mediatek/mt76/mt7921/Kconfig"
|
||||||
|
|
|
@ -34,3 +34,4 @@ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/
|
||||||
obj-$(CONFIG_MT7603E) += mt7603/
|
obj-$(CONFIG_MT7603E) += mt7603/
|
||||||
obj-$(CONFIG_MT7615_COMMON) += mt7615/
|
obj-$(CONFIG_MT7615_COMMON) += mt7615/
|
||||||
obj-$(CONFIG_MT7915E) += mt7915/
|
obj-$(CONFIG_MT7915E) += mt7915/
|
||||||
|
obj-$(CONFIG_MT7921E) += mt7921/
|
||||||
|
|
10
drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
Normal file
10
drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
Normal file
|
@ -0,0 +1,10 @@
|
||||||
|
# SPDX-License-Identifier: ISC
|
||||||
|
config MT7921E
|
||||||
|
tristate "MediaTek MT7921E (PCIe) support"
|
||||||
|
select MT76_CORE
|
||||||
|
depends on MAC80211
|
||||||
|
depends on PCI
|
||||||
|
help
|
||||||
|
This adds support for MT7921E 802.11ax 2x2:2SS wireless devices.
|
||||||
|
|
||||||
|
To compile this driver as a module, choose M here.
|
5
drivers/net/wireless/mediatek/mt76/mt7921/Makefile
Normal file
5
drivers/net/wireless/mediatek/mt76/mt7921/Makefile
Normal file
|
@ -0,0 +1,5 @@
|
||||||
|
#SPDX-License-Identifier: ISC
|
||||||
|
|
||||||
|
obj-$(CONFIG_MT7921E) += mt7921e.o
|
||||||
|
|
||||||
|
mt7921e-y := pci.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o
|
248
drivers/net/wireless/mediatek/mt76/mt7921/init.c
Normal file
248
drivers/net/wireless/mediatek/mt76/mt7921/init.c
Normal file
|
@ -0,0 +1,248 @@
|
||||||
|
// SPDX-License-Identifier: ISC
|
||||||
|
/* Copyright (C) 2020 MediaTek Inc. */
|
||||||
|
|
||||||
|
#include <linux/etherdevice.h>
|
||||||
|
#include "mt7921.h"
|
||||||
|
#include "mac.h"
|
||||||
|
#include "eeprom.h"
|
||||||
|
|
||||||
|
#define CCK_RATE(_idx, _rate) { \
|
||||||
|
.bitrate = _rate, \
|
||||||
|
.flags = IEEE80211_RATE_SHORT_PREAMBLE, \
|
||||||
|
.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
|
||||||
|
.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define OFDM_RATE(_idx, _rate) { \
|
||||||
|
.bitrate = _rate, \
|
||||||
|
.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
|
||||||
|
.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct ieee80211_rate mt7921_rates[] = {
|
||||||
|
CCK_RATE(0, 10),
|
||||||
|
CCK_RATE(1, 20),
|
||||||
|
CCK_RATE(2, 55),
|
||||||
|
CCK_RATE(3, 110),
|
||||||
|
OFDM_RATE(11, 60),
|
||||||
|
OFDM_RATE(15, 90),
|
||||||
|
OFDM_RATE(10, 120),
|
||||||
|
OFDM_RATE(14, 180),
|
||||||
|
OFDM_RATE(9, 240),
|
||||||
|
OFDM_RATE(13, 360),
|
||||||
|
OFDM_RATE(8, 480),
|
||||||
|
OFDM_RATE(12, 540),
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct ieee80211_iface_limit if_limits[] = {
|
||||||
|
{
|
||||||
|
.max = MT7921_MAX_INTERFACES,
|
||||||
|
.types = BIT(NL80211_IFTYPE_STATION)
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct ieee80211_iface_combination if_comb[] = {
|
||||||
|
{
|
||||||
|
.limits = if_limits,
|
||||||
|
.n_limits = ARRAY_SIZE(if_limits),
|
||||||
|
.max_interfaces = MT7921_MAX_INTERFACES,
|
||||||
|
.num_different_channels = 1,
|
||||||
|
.beacon_int_infra_match = true,
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
static void
|
||||||
|
mt7921_init_wiphy(struct ieee80211_hw *hw)
|
||||||
|
{
|
||||||
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||||
|
struct wiphy *wiphy = hw->wiphy;
|
||||||
|
|
||||||
|
hw->queues = 4;
|
||||||
|
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
|
||||||
|
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
|
||||||
|
|
||||||
|
phy->slottime = 9;
|
||||||
|
|
||||||
|
hw->sta_data_size = sizeof(struct mt7921_sta);
|
||||||
|
hw->vif_data_size = sizeof(struct mt7921_vif);
|
||||||
|
|
||||||
|
wiphy->iface_combinations = if_comb;
|
||||||
|
wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
|
||||||
|
wiphy->max_scan_ie_len = MT7921_SCAN_IE_LEN;
|
||||||
|
wiphy->max_scan_ssids = 4;
|
||||||
|
wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
|
||||||
|
|
||||||
|
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
|
||||||
|
|
||||||
|
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
|
||||||
|
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
|
||||||
|
ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
|
||||||
|
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
|
||||||
|
|
||||||
|
hw->max_tx_fragments = 4;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
|
||||||
|
{
|
||||||
|
u32 mask, set;
|
||||||
|
|
||||||
|
mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
|
||||||
|
MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
|
||||||
|
mt76_set(dev, MT_TMAC_CTCR0(band),
|
||||||
|
MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
|
||||||
|
MT_TMAC_CTCR0_INS_DDLMT_EN);
|
||||||
|
|
||||||
|
mask = MT_MDP_RCFR0_MCU_RX_MGMT |
|
||||||
|
MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
|
||||||
|
MT_MDP_RCFR0_MCU_RX_CTL_BAR;
|
||||||
|
set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
|
||||||
|
FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
|
||||||
|
FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
|
||||||
|
mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
|
||||||
|
|
||||||
|
mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
|
||||||
|
MT_MDP_RCFR1_RX_DROPPED_UCAST |
|
||||||
|
MT_MDP_RCFR1_RX_DROPPED_MCAST;
|
||||||
|
set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
|
||||||
|
FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
|
||||||
|
FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
|
||||||
|
mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
|
||||||
|
|
||||||
|
mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
|
||||||
|
mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
|
||||||
|
|
||||||
|
mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
|
||||||
|
/* disable rx rate report by default due to hw issues */
|
||||||
|
mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mt7921_mac_init(struct mt7921_dev *dev)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
|
||||||
|
/* disable hardware de-agg */
|
||||||
|
mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
|
||||||
|
mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
|
||||||
|
|
||||||
|
for (i = 0; i < MT7921_WTBL_SIZE; i++)
|
||||||
|
mt7921_mac_wtbl_update(dev, i,
|
||||||
|
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
||||||
|
for (i = 0; i < 2; i++)
|
||||||
|
mt7921_mac_init_band(dev, i);
|
||||||
|
|
||||||
|
mt7921_mcu_set_rts_thresh(&dev->phy, 0x92b);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mt7921_init_work(struct work_struct *work)
|
||||||
|
{
|
||||||
|
struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
|
||||||
|
init_work);
|
||||||
|
|
||||||
|
mt7921_mcu_set_eeprom(dev);
|
||||||
|
mt7921_mac_init(dev);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int mt7921_init_hardware(struct mt7921_dev *dev)
|
||||||
|
{
|
||||||
|
int ret, idx;
|
||||||
|
|
||||||
|
INIT_WORK(&dev->init_work, mt7921_init_work);
|
||||||
|
spin_lock_init(&dev->token_lock);
|
||||||
|
idr_init(&dev->token);
|
||||||
|
|
||||||
|
ret = mt7921_dma_init(dev);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
|
||||||
|
|
||||||
|
/* force firmware operation mode into normal state,
|
||||||
|
* which should be set before firmware download stage.
|
||||||
|
*/
|
||||||
|
mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
|
||||||
|
|
||||||
|
ret = mt7921_mcu_init(dev);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
ret = mt7921_eeprom_init(dev);
|
||||||
|
if (ret < 0)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
/* Beacon and mgmt frames should occupy wcid 0 */
|
||||||
|
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
|
||||||
|
if (idx)
|
||||||
|
return -ENOSPC;
|
||||||
|
|
||||||
|
dev->mt76.global_wcid.idx = idx;
|
||||||
|
dev->mt76.global_wcid.hw_key_idx = -1;
|
||||||
|
dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
|
||||||
|
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int mt7921_register_device(struct mt7921_dev *dev)
|
||||||
|
{
|
||||||
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
dev->phy.dev = dev;
|
||||||
|
dev->phy.mt76 = &dev->mt76.phy;
|
||||||
|
dev->mt76.phy.priv = &dev->phy;
|
||||||
|
INIT_LIST_HEAD(&dev->phy.stats_list);
|
||||||
|
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
|
||||||
|
INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
|
||||||
|
skb_queue_head_init(&dev->phy.scan_event_list);
|
||||||
|
INIT_LIST_HEAD(&dev->sta_poll_list);
|
||||||
|
spin_lock_init(&dev->sta_poll_lock);
|
||||||
|
|
||||||
|
init_waitqueue_head(&dev->reset_wait);
|
||||||
|
INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
|
||||||
|
|
||||||
|
ret = mt7921_init_hardware(dev);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
mt7921_init_wiphy(hw);
|
||||||
|
dev->mphy.sband_2g.sband.ht_cap.cap |=
|
||||||
|
IEEE80211_HT_CAP_LDPC_CODING |
|
||||||
|
IEEE80211_HT_CAP_MAX_AMSDU;
|
||||||
|
dev->mphy.sband_5g.sband.ht_cap.cap |=
|
||||||
|
IEEE80211_HT_CAP_LDPC_CODING |
|
||||||
|
IEEE80211_HT_CAP_MAX_AMSDU;
|
||||||
|
dev->mphy.sband_5g.sband.vht_cap.cap |=
|
||||||
|
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
|
||||||
|
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
|
||||||
|
dev->mphy.sband_5g.sband.vht_cap.cap |=
|
||||||
|
IEEE80211_VHT_CAP_SHORT_GI_160 |
|
||||||
|
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
|
||||||
|
dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
|
||||||
|
dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
|
||||||
|
|
||||||
|
mt76_set_stream_caps(&dev->mphy, true);
|
||||||
|
mt7921_set_stream_he_caps(&dev->phy);
|
||||||
|
|
||||||
|
ret = mt76_register_device(&dev->mt76, true, mt7921_rates,
|
||||||
|
ARRAY_SIZE(mt7921_rates));
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void mt7921_unregister_device(struct mt7921_dev *dev)
|
||||||
|
{
|
||||||
|
mt76_unregister_device(&dev->mt76);
|
||||||
|
mt7921_mcu_exit(dev);
|
||||||
|
mt7921_dma_cleanup(dev);
|
||||||
|
|
||||||
|
mt7921_tx_token_put(dev);
|
||||||
|
|
||||||
|
tasklet_disable(&dev->irq_tasklet);
|
||||||
|
mt76_free_device(&dev->mt76);
|
||||||
|
}
|
184
drivers/net/wireless/mediatek/mt76/mt7921/pci.c
Normal file
184
drivers/net/wireless/mediatek/mt76/mt7921/pci.c
Normal file
|
@ -0,0 +1,184 @@
|
||||||
|
// SPDX-License-Identifier: ISC
|
||||||
|
/* Copyright (C) 2020 MediaTek Inc.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <linux/kernel.h>
|
||||||
|
#include <linux/module.h>
|
||||||
|
#include <linux/pci.h>
|
||||||
|
|
||||||
|
#include "mt7921.h"
|
||||||
|
#include "mac.h"
|
||||||
|
#include "../trace.h"
|
||||||
|
|
||||||
|
static const struct pci_device_id mt7921_pci_device_table[] = {
|
||||||
|
{ PCI_DEVICE(0x14c3, 0x7961) },
|
||||||
|
{ },
|
||||||
|
};
|
||||||
|
|
||||||
|
static void
|
||||||
|
mt7921_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
|
||||||
|
{
|
||||||
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
||||||
|
|
||||||
|
if (q == MT_RXQ_MAIN)
|
||||||
|
mt7921_irq_enable(dev, MT_INT_RX_DONE_DATA);
|
||||||
|
else if (q == MT_RXQ_MCU_WA)
|
||||||
|
mt7921_irq_enable(dev, MT_INT_RX_DONE_WM2);
|
||||||
|
else
|
||||||
|
mt7921_irq_enable(dev, MT_INT_RX_DONE_WM);
|
||||||
|
}
|
||||||
|
|
||||||
|
static irqreturn_t mt7921_irq_handler(int irq, void *dev_instance)
|
||||||
|
{
|
||||||
|
struct mt7921_dev *dev = dev_instance;
|
||||||
|
|
||||||
|
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
|
||||||
|
|
||||||
|
if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
|
||||||
|
return IRQ_NONE;
|
||||||
|
|
||||||
|
tasklet_schedule(&dev->irq_tasklet);
|
||||||
|
|
||||||
|
return IRQ_HANDLED;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mt7921_irq_tasklet(unsigned long data)
|
||||||
|
{
|
||||||
|
struct mt7921_dev *dev = (struct mt7921_dev *)data;
|
||||||
|
u32 intr, mask = 0;
|
||||||
|
|
||||||
|
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
|
||||||
|
|
||||||
|
intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA);
|
||||||
|
intr &= dev->mt76.mmio.irqmask;
|
||||||
|
mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr);
|
||||||
|
|
||||||
|
trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
|
||||||
|
|
||||||
|
mask |= intr & MT_INT_RX_DONE_ALL;
|
||||||
|
if (intr & MT_INT_TX_DONE_MCU)
|
||||||
|
mask |= MT_INT_TX_DONE_MCU;
|
||||||
|
|
||||||
|
mt76_set_irq_mask(&dev->mt76, MT_WFDMA0_HOST_INT_ENA, mask, 0);
|
||||||
|
|
||||||
|
if (intr & MT_INT_TX_DONE_ALL)
|
||||||
|
napi_schedule(&dev->mt76.tx_napi);
|
||||||
|
|
||||||
|
if (intr & MT_INT_RX_DONE_WM)
|
||||||
|
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
|
||||||
|
|
||||||
|
if (intr & MT_INT_RX_DONE_WM2)
|
||||||
|
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
|
||||||
|
|
||||||
|
if (intr & MT_INT_RX_DONE_DATA)
|
||||||
|
napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int mt7921_pci_probe(struct pci_dev *pdev,
|
||||||
|
const struct pci_device_id *id)
|
||||||
|
{
|
||||||
|
static const struct mt76_driver_ops drv_ops = {
|
||||||
|
/* txwi_size = txd size + txp size */
|
||||||
|
.txwi_size = MT_TXD_SIZE + sizeof(struct mt7921_txp_common),
|
||||||
|
.drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ |
|
||||||
|
MT_DRV_AMSDU_OFFLOAD,
|
||||||
|
.survey_flags = SURVEY_INFO_TIME_TX |
|
||||||
|
SURVEY_INFO_TIME_RX |
|
||||||
|
SURVEY_INFO_TIME_BSS_RX,
|
||||||
|
.tx_prepare_skb = mt7921_tx_prepare_skb,
|
||||||
|
.tx_complete_skb = mt7921_tx_complete_skb,
|
||||||
|
.rx_skb = mt7921_queue_rx_skb,
|
||||||
|
.rx_poll_complete = mt7921_rx_poll_complete,
|
||||||
|
.sta_ps = mt7921_sta_ps,
|
||||||
|
.sta_add = mt7921_mac_sta_add,
|
||||||
|
.sta_remove = mt7921_mac_sta_remove,
|
||||||
|
.update_survey = mt7921_update_channel,
|
||||||
|
};
|
||||||
|
struct mt7921_dev *dev;
|
||||||
|
struct mt76_dev *mdev;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = pcim_enable_device(pdev);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
pci_set_master(pdev);
|
||||||
|
|
||||||
|
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY);
|
||||||
|
if (ret < 0)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
|
||||||
|
if (ret)
|
||||||
|
goto err_free_pci_vec;
|
||||||
|
|
||||||
|
mt76_pci_disable_aspm(pdev);
|
||||||
|
|
||||||
|
mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7921_ops,
|
||||||
|
&drv_ops);
|
||||||
|
if (!mdev) {
|
||||||
|
ret = -ENOMEM;
|
||||||
|
goto err_free_pci_vec;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = container_of(mdev, struct mt7921_dev, mt76);
|
||||||
|
|
||||||
|
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
|
||||||
|
tasklet_init(&dev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev);
|
||||||
|
mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) |
|
||||||
|
(mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
|
||||||
|
dev_err(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
|
||||||
|
|
||||||
|
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
|
||||||
|
|
||||||
|
mt7921_l1_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
|
||||||
|
|
||||||
|
ret = devm_request_irq(mdev->dev, pdev->irq, mt7921_irq_handler,
|
||||||
|
IRQF_SHARED, KBUILD_MODNAME, dev);
|
||||||
|
if (ret)
|
||||||
|
goto err_free_dev;
|
||||||
|
|
||||||
|
ret = mt7921_register_device(dev);
|
||||||
|
if (ret)
|
||||||
|
goto err_free_dev;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
err_free_dev:
|
||||||
|
mt76_free_device(&dev->mt76);
|
||||||
|
err_free_pci_vec:
|
||||||
|
pci_free_irq_vectors(pdev);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void mt7921_pci_remove(struct pci_dev *pdev)
|
||||||
|
{
|
||||||
|
struct mt76_dev *mdev = pci_get_drvdata(pdev);
|
||||||
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
||||||
|
|
||||||
|
mt7921_unregister_device(dev);
|
||||||
|
devm_free_irq(&pdev->dev, pdev->irq, dev);
|
||||||
|
pci_free_irq_vectors(pdev);
|
||||||
|
}
|
||||||
|
|
||||||
|
struct pci_driver mt7921_pci_driver = {
|
||||||
|
.name = KBUILD_MODNAME,
|
||||||
|
.id_table = mt7921_pci_device_table,
|
||||||
|
.probe = mt7921_pci_probe,
|
||||||
|
.remove = mt7921_pci_remove,
|
||||||
|
};
|
||||||
|
|
||||||
|
module_pci_driver(mt7921_pci_driver);
|
||||||
|
|
||||||
|
MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);
|
||||||
|
MODULE_FIRMWARE(MT7921_FIRMWARE_WM);
|
||||||
|
MODULE_FIRMWARE(MT7921_ROM_PATCH);
|
||||||
|
MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
|
||||||
|
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
|
||||||
|
MODULE_LICENSE("Dual BSD/GPL");
|
Loading…
Reference in a new issue