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mt76: mt7615: introduce mt7663-usb-sdio-common module

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Introduce mt7663-usb-sdio-common module as container for shared
code between usb and sdio driver.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-07-15 14:46:29 +02:00 committed by Felix Fietkau
parent 0fa407c320
commit 90520afbae
6 changed files with 424 additions and 389 deletions
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6
drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
View File

@ -28,10 +28,14 @@ config MT7622_WMAC
which has the same feature set as a MT7615, but limited to
2.4 GHz only.
config MT7663_USB_SDIO_COMMON
tristate
select MT7615_COMMON
config MT7663U
tristate "MediaTek MT7663U (USB) support"
select MT76_USB
select MT7615_COMMON
select MT7663_USB_SDIO_COMMON
depends on MAC80211
depends on USB
help

4
drivers/net/wireless/mediatek/mt76/mt7615/Makefile
View File

@ -2,6 +2,7 @@
obj-$(CONFIG_MT7615_COMMON) += mt7615-common.o
obj-$(CONFIG_MT7615E) += mt7615e.o
obj-$(CONFIG_MT7663_USB_SDIO_COMMON) += mt7663-usb-sdio-common.o
obj-$(CONFIG_MT7663U) += mt7663u.o
CFLAGS_trace.o := -I$(src)
@ -13,4 +14,5 @@ mt7615-common-$(CONFIG_NL80211_TESTMODE) += testmode.o
mt7615e-y := pci.o pci_init.o dma.o pci_mac.o mmio.o
mt7615e-$(CONFIG_MT7622_WMAC) += soc.o
mt7663u-y := usb.o usb_mcu.o usb_init.o
mt7663-usb-sdio-common-y := usb_sdio.o
mt7663u-y := usb.o usb_mcu.o

13
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -409,6 +409,7 @@ extern struct ieee80211_rate mt7615_rates[12];
extern const struct ieee80211_ops mt7615_ops;
extern const u32 mt7615e_reg_map[__MT_BASE_MAX];
extern const u32 mt7663e_reg_map[__MT_BASE_MAX];
extern const u32 mt7663_usb_sdio_reg_map[__MT_BASE_MAX];
extern struct pci_driver mt7615_pci_driver;
extern struct platform_driver mt7622_wmac_driver;
extern const struct mt76_testmode_ops mt7615_testmode_ops;
@ -657,8 +658,16 @@ int mt7615_mcu_update_arp_filter(struct ieee80211_hw *hw,
int __mt7663_load_firmware(struct mt7615_dev *dev);
/* usb */
void mt7663u_wtbl_work(struct work_struct *work);
int mt7663_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
struct ieee80211_sta *sta,
struct mt76_tx_info *tx_info);
bool mt7663_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
void mt7663_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
enum mt76_txq_id qid,
struct mt76_queue_entry *e);
void mt7663_usb_sdio_wtbl_work(struct work_struct *work);
int mt7663_usb_sdio_register_device(struct mt7615_dev *dev);
int mt7663u_mcu_init(struct mt7615_dev *dev);
int mt7663u_register_device(struct mt7615_dev *dev);
#endif

255
drivers/net/wireless/mediatek/mt76/mt7615/usb.c
View File

@ -15,30 +15,6 @@
#include "mcu.h"
#include "regs.h"
static const u32 mt7663u_reg_map[] = {
[MT_TOP_CFG_BASE] = 0x80020000,
[MT_HW_BASE] = 0x80000000,
[MT_DMA_SHDL_BASE] = 0x5000a000,
[MT_HIF_BASE] = 0x50000000,
[MT_CSR_BASE] = 0x40000000,
[MT_EFUSE_ADDR_BASE] = 0x78011000,
[MT_TOP_MISC_BASE] = 0x81020000,
[MT_PLE_BASE] = 0x82060000,
[MT_PSE_BASE] = 0x82068000,
[MT_WTBL_BASE_ADDR] = 0x820e0000,
[MT_CFG_BASE] = 0x820f0000,
[MT_AGG_BASE] = 0x820f2000,
[MT_ARB_BASE] = 0x820f3000,
[MT_TMAC_BASE] = 0x820f4000,
[MT_RMAC_BASE] = 0x820f5000,
[MT_DMA_BASE] = 0x820f7000,
[MT_PF_BASE] = 0x820f8000,
[MT_WTBL_BASE_ON] = 0x820f9000,
[MT_WTBL_BASE_OFF] = 0x820f9800,
[MT_LPON_BASE] = 0x820fb000,
[MT_MIB_BASE] = 0x820fd000,
};
static const struct usb_device_id mt7615_device_table[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7663, 0xff, 0xff, 0xff) },
{ },
@ -63,221 +39,19 @@ static void mt7663u_cleanup(struct mt7615_dev *dev)
mt76u_queues_deinit(&dev->mt76);
}
static void
mt7663u_mac_write_txwi(struct mt7615_dev *dev, struct mt76_wcid *wcid,
enum mt76_txq_id qid, struct ieee80211_sta *sta,
struct sk_buff *skb)
static void mt7663u_init_work(struct work_struct *work)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_key_conf *key = info->control.hw_key;
__le32 *txwi;
int pid;
if (!wcid)
wcid = &dev->mt76.global_wcid;
pid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
txwi = (__le32 *)(skb->data - MT_USB_TXD_SIZE);
memset(txwi, 0, MT_USB_TXD_SIZE);
mt7615_mac_write_txwi(dev, txwi, skb, wcid, sta, pid, key, false);
skb_push(skb, MT_USB_TXD_SIZE);
}
static int
__mt7663u_mac_set_rates(struct mt7615_dev *dev,
struct mt7615_wtbl_desc *wd)
{
struct mt7615_rate_desc *rate = &wd->rate;
struct mt7615_sta *sta = wd->sta;
u32 w5, w27, addr, val;
lockdep_assert_held(&dev->mt76.mutex);
if (!sta)
return -EINVAL;
if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
return -ETIMEDOUT;
addr = mt7615_mac_wtbl_addr(dev, sta->wcid.idx);
w27 = mt76_rr(dev, addr + 27 * 4);
w27 &= ~MT_WTBL_W27_CC_BW_SEL;
w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, rate->bw);
w5 = mt76_rr(dev, addr + 5 * 4);
w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
MT_WTBL_W5_MPDU_OK_COUNT |
MT_WTBL_W5_MPDU_FAIL_COUNT |
MT_WTBL_W5_RATE_IDX);
w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, rate->bw) |
FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE,
rate->bw_idx ? rate->bw_idx - 1 : 7);
mt76_wr(dev, MT_WTBL_RIUCR0, w5);
mt76_wr(dev, MT_WTBL_RIUCR1,
FIELD_PREP(MT_WTBL_RIUCR1_RATE0, rate->probe_val) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE1, rate->val[0]) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rate->val[1]));
mt76_wr(dev, MT_WTBL_RIUCR2,
FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, rate->val[1] >> 8) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE3, rate->val[1]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE4, rate->val[2]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, rate->val[2]));
mt76_wr(dev, MT_WTBL_RIUCR3,
FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, rate->val[2] >> 4) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE6, rate->val[3]) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE7, rate->val[3]));
mt76_wr(dev, MT_WTBL_UPDATE,
FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, sta->wcid.idx) |
MT_WTBL_UPDATE_RATE_UPDATE |
MT_WTBL_UPDATE_TX_COUNT_CLEAR);
mt76_wr(dev, addr + 27 * 4, w27);
sta->rate_probe = sta->rateset[rate->rateset].probe_rate.idx != -1;
mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
val = mt76_rr(dev, MT_LPON_UTTR0);
sta->rate_set_tsf = (val & ~BIT(0)) | rate->rateset;
if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
sta->rate_count = 2 * MT7615_RATE_RETRY * sta->n_rates;
sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
return 0;
}
static int
__mt7663u_mac_set_key(struct mt7615_dev *dev,
struct mt7615_wtbl_desc *wd)
{
struct mt7615_key_desc *key = &wd->key;
struct mt7615_sta *sta = wd->sta;
enum mt7615_cipher_type cipher;
struct mt76_wcid *wcid;
int err;
lockdep_assert_held(&dev->mt76.mutex);
if (!sta) {
err = -EINVAL;
goto out;
}
cipher = mt7615_mac_get_cipher(key->cipher);
if (cipher == MT_CIPHER_NONE) {
err = -EOPNOTSUPP;
goto out;
}
wcid = &wd->sta->wcid;
mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, key->cmd);
err = mt7615_mac_wtbl_update_key(dev, wcid, key->key, key->keylen,
cipher, key->cmd);
if (err < 0)
goto out;
err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, key->keyidx,
key->cmd);
if (err < 0)
goto out;
if (key->cmd == SET_KEY)
wcid->cipher |= BIT(cipher);
else
wcid->cipher &= ~BIT(cipher);
out:
kfree(key->key);
return err;
}
void mt7663u_wtbl_work(struct work_struct *work)
{
struct mt7615_wtbl_desc *wd, *wd_next;
struct list_head wd_list;
struct mt7615_dev *dev;
dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,
wtbl_work);
dev = container_of(work, struct mt7615_dev, mcu_work);
if (mt7663u_mcu_init(dev))
return;
INIT_LIST_HEAD(&wd_list);
spin_lock_bh(&dev->mt76.lock);
list_splice_init(&dev->wd_head, &wd_list);
spin_unlock_bh(&dev->mt76.lock);
list_for_each_entry_safe(wd, wd_next, &wd_list, node) {
list_del(&wd->node);
mt7615_mutex_acquire(dev);
switch (wd->type) {
case MT7615_WTBL_RATE_DESC:
__mt7663u_mac_set_rates(dev, wd);
break;
case MT7615_WTBL_KEY_DESC:
__mt7663u_mac_set_key(dev, wd);
break;
}
mt7615_mutex_release(dev);
kfree(wd);
}
}
static void
mt7663u_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
struct mt76_queue_entry *e)
{
skb_pull(e->skb, MT_USB_HDR_SIZE + MT_USB_TXD_SIZE);
mt76_tx_complete_skb(mdev, e->skb);
}
static int
mt7663u_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
struct ieee80211_sta *sta,
struct mt76_tx_info *tx_info)
{
struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct sk_buff *skb = tx_info->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) &&
!msta->rate_probe) {
/* request to configure sampling rate */
spin_lock_bh(&dev->mt76.lock);
mt7615_mac_set_rates(&dev->phy, msta, &info->control.rates[0],
msta->rates);
spin_unlock_bh(&dev->mt76.lock);
}
mt7663u_mac_write_txwi(dev, wcid, qid, sta, skb);
put_unaligned_le32(skb->len, skb_push(skb, sizeof(skb->len)));
return mt76_skb_adjust_pad(skb);
}
static bool mt7663u_tx_status_data(struct mt76_dev *mdev, u8 *update)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_mutex_acquire(dev);
mt7615_mac_sta_poll(dev);
mt7615_mutex_release(dev);
return 0;
mt7615_mcu_set_eeprom(dev);
mt7615_mac_init(dev);
mt7615_phy_init(dev);
mt7615_mcu_del_wtbl_all(dev);
mt7615_check_offload_capability(dev);
}
static int mt7663u_probe(struct usb_interface *usb_intf,
@ -286,9 +60,9 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
static const struct mt76_driver_ops drv_ops = {
.txwi_size = MT_USB_TXD_SIZE,
.drv_flags = MT_DRV_RX_DMA_HDR | MT_DRV_HW_MGMT_TXQ,
.tx_prepare_skb = mt7663u_tx_prepare_skb,
.tx_complete_skb = mt7663u_tx_complete_skb,
.tx_status_data = mt7663u_tx_status_data,
.tx_prepare_skb = mt7663_usb_sdio_tx_prepare_skb,
.tx_complete_skb = mt7663_usb_sdio_tx_complete_skb,
.tx_status_data = mt7663_usb_sdio_tx_status_data,
.rx_skb = mt7615_queue_rx_skb,
.sta_ps = mt7615_sta_ps,
.sta_add = mt7615_mac_sta_add,
@ -318,7 +92,8 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
usb_set_intfdata(usb_intf, dev);
dev->reg_map = mt7663u_reg_map;
INIT_WORK(&dev->mcu_work, mt7663u_init_work);
dev->reg_map = mt7663_usb_sdio_reg_map;
dev->ops = ops;
ret = mt76u_init(mdev, usb_intf, true);
if (ret < 0)
@ -356,7 +131,7 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
if (ret)
goto error;
ret = mt7663u_register_device(dev);
ret = mt7663_usb_sdio_register_device(dev);
if (ret)
goto error_freeq;

145
drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
View File

@ -1,145 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Felix Fietkau <nbd@nbd.name>
* Lorenzo Bianconi <lorenzo@kernel.org>
* Sean Wang <sean.wang@mediatek.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include "mt7615.h"
#include "mac.h"
#include "regs.h"
static int mt7663u_dma_sched_init(struct mt7615_dev *dev)
{
int i;
mt76_rmw(dev, MT_DMA_SHDL(MT_DMASHDL_PKT_MAX_SIZE),
MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE,
FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) |
FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8));
/* disable refill group 5 - group 15 and raise group 2
* and 3 as high priority.
*/
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffe00006);
mt76_clear(dev, MT_DMA_SHDL(MT_DMASHDL_PAGE), BIT(16));
for (i = 0; i < 5; i++)
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)),
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x3) |
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x1ff));
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(0)), 0x42104210);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(1)), 0x42104210);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(2)), 0x4444);
/* group pririority from high to low:
* 15 (cmd groups) > 4 > 3 > 2 > 1 > 0.
*/
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6501234f);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x7004801c);
mt76_wr(dev, MT_UDMA_WLCFG_1,
FIELD_PREP(MT_WL_TX_TMOUT_LMT, 80000) |
FIELD_PREP(MT_WL_RX_AGG_PKT_LMT, 1));
/* setup UDMA Rx Flush */
mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
/* hif reset */
mt76_set(dev, MT_HIF_RST, MT_HIF_LOGIC_RST_N);
mt76_set(dev, MT_UDMA_WLCFG_0,
MT_WL_RX_AGG_EN | MT_WL_RX_EN | MT_WL_TX_EN |
MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN |
MT_WL_TX_TMOUT_FUNC_EN);
mt76_rmw(dev, MT_UDMA_WLCFG_0, MT_WL_RX_AGG_LMT | MT_WL_RX_AGG_TO,
FIELD_PREP(MT_WL_RX_AGG_LMT, 32) |
FIELD_PREP(MT_WL_RX_AGG_TO, 100));
return 0;
}
static int mt7663u_init_hardware(struct mt7615_dev *dev)
{
int ret, idx;
ret = mt7615_eeprom_init(dev, MT_EFUSE_BASE);
if (ret < 0)
return ret;
ret = mt7663u_dma_sched_init(dev);
if (ret)
return ret;
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
/* Beacon and mgmt frames should occupy wcid 0 */
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
if (idx)
return -ENOSPC;
dev->mt76.global_wcid.idx = idx;
dev->mt76.global_wcid.hw_key_idx = -1;
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
return 0;
}
static void mt7663u_init_work(struct work_struct *work)
{
struct mt7615_dev *dev;
dev = container_of(work, struct mt7615_dev, mcu_work);
if (mt7663u_mcu_init(dev))
return;
mt7615_mcu_set_eeprom(dev);
mt7615_mac_init(dev);
mt7615_phy_init(dev);
mt7615_mcu_del_wtbl_all(dev);
mt7615_check_offload_capability(dev);
}
int mt7663u_register_device(struct mt7615_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
int err;
INIT_WORK(&dev->wtbl_work, mt7663u_wtbl_work);
INIT_WORK(&dev->mcu_work, mt7663u_init_work);
INIT_LIST_HEAD(&dev->wd_head);
mt7615_init_device(dev);
err = mt7663u_init_hardware(dev);
if (err)
return err;
hw->extra_tx_headroom += MT_USB_HDR_SIZE + MT_USB_TXD_SIZE;
/* check hw sg support in order to enable AMSDU */
hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_HW_TXP_MAX_BUF_NUM : 1;
err = mt76_register_device(&dev->mt76, true, mt7615_rates,
ARRAY_SIZE(mt7615_rates));
if (err < 0)
return err;
if (!dev->mt76.usb.sg_en) {
struct ieee80211_sta_vht_cap *vht_cap;
/* decrease max A-MSDU size if SG is not supported */
vht_cap = &dev->mphy.sband_5g.sband.vht_cap;
vht_cap->cap &= ~IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
}
ieee80211_queue_work(hw, &dev->mcu_work);
mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
return mt7615_init_debugfs(dev);
}

390
drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c Normal file
View File

@ -0,0 +1,390 @@
// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc.
*
* Author: Lorenzo Bianconi <lorenzo@kernel.org>
* Sean Wang <sean.wang@mediatek.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/usb.h>
#include "mt7615.h"
#include "mac.h"
#include "mcu.h"
#include "regs.h"
const u32 mt7663_usb_sdio_reg_map[] = {
[MT_TOP_CFG_BASE] = 0x80020000,
[MT_HW_BASE] = 0x80000000,
[MT_DMA_SHDL_BASE] = 0x5000a000,
[MT_HIF_BASE] = 0x50000000,
[MT_CSR_BASE] = 0x40000000,
[MT_EFUSE_ADDR_BASE] = 0x78011000,
[MT_TOP_MISC_BASE] = 0x81020000,
[MT_PLE_BASE] = 0x82060000,
[MT_PSE_BASE] = 0x82068000,
[MT_WTBL_BASE_ADDR] = 0x820e0000,
[MT_CFG_BASE] = 0x820f0000,
[MT_AGG_BASE] = 0x820f2000,
[MT_ARB_BASE] = 0x820f3000,
[MT_TMAC_BASE] = 0x820f4000,
[MT_RMAC_BASE] = 0x820f5000,
[MT_DMA_BASE] = 0x820f7000,
[MT_PF_BASE] = 0x820f8000,
[MT_WTBL_BASE_ON] = 0x820f9000,
[MT_WTBL_BASE_OFF] = 0x820f9800,
[MT_LPON_BASE] = 0x820fb000,
[MT_MIB_BASE] = 0x820fd000,
};
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_reg_map);
static void
mt7663_usb_sdio_write_txwi(struct mt7615_dev *dev, struct mt76_wcid *wcid,
enum mt76_txq_id qid, struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_key_conf *key = info->control.hw_key;
__le32 *txwi;
int pid;
if (!wcid)
wcid = &dev->mt76.global_wcid;
pid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
txwi = (__le32 *)(skb->data - MT_USB_TXD_SIZE);
memset(txwi, 0, MT_USB_TXD_SIZE);
mt7615_mac_write_txwi(dev, txwi, skb, wcid, sta, pid, key, false);
skb_push(skb, MT_USB_TXD_SIZE);
}
static int
mt7663_usb_sdio_set_rates(struct mt7615_dev *dev,
struct mt7615_wtbl_desc *wd)
{
struct mt7615_rate_desc *rate = &wd->rate;
struct mt7615_sta *sta = wd->sta;
u32 w5, w27, addr, val;
lockdep_assert_held(&dev->mt76.mutex);
if (!sta)
return -EINVAL;
if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
return -ETIMEDOUT;
addr = mt7615_mac_wtbl_addr(dev, sta->wcid.idx);
w27 = mt76_rr(dev, addr + 27 * 4);
w27 &= ~MT_WTBL_W27_CC_BW_SEL;
w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, rate->bw);
w5 = mt76_rr(dev, addr + 5 * 4);
w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
MT_WTBL_W5_MPDU_OK_COUNT |
MT_WTBL_W5_MPDU_FAIL_COUNT |
MT_WTBL_W5_RATE_IDX);
w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, rate->bw) |
FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE,
rate->bw_idx ? rate->bw_idx - 1 : 7);
mt76_wr(dev, MT_WTBL_RIUCR0, w5);
mt76_wr(dev, MT_WTBL_RIUCR1,
FIELD_PREP(MT_WTBL_RIUCR1_RATE0, rate->probe_val) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE1, rate->val[0]) |
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rate->val[1]));
mt76_wr(dev, MT_WTBL_RIUCR2,
FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, rate->val[1] >> 8) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE3, rate->val[1]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE4, rate->val[2]) |
FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, rate->val[2]));
mt76_wr(dev, MT_WTBL_RIUCR3,
FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, rate->val[2] >> 4) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE6, rate->val[3]) |
FIELD_PREP(MT_WTBL_RIUCR3_RATE7, rate->val[3]));
mt76_wr(dev, MT_WTBL_UPDATE,
FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, sta->wcid.idx) |
MT_WTBL_UPDATE_RATE_UPDATE |
MT_WTBL_UPDATE_TX_COUNT_CLEAR);
mt76_wr(dev, addr + 27 * 4, w27);
sta->rate_probe = sta->rateset[rate->rateset].probe_rate.idx != -1;
mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
val = mt76_rr(dev, MT_LPON_UTTR0);
sta->rate_set_tsf = (val & ~BIT(0)) | rate->rateset;
if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
sta->rate_count = 2 * MT7615_RATE_RETRY * sta->n_rates;
sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
return 0;
}
static int
mt7663_usb_sdio_set_key(struct mt7615_dev *dev,
struct mt7615_wtbl_desc *wd)
{
struct mt7615_key_desc *key = &wd->key;
struct mt7615_sta *sta = wd->sta;
enum mt7615_cipher_type cipher;
struct mt76_wcid *wcid;
int err;
lockdep_assert_held(&dev->mt76.mutex);
if (!sta) {
err = -EINVAL;
goto out;
}
cipher = mt7615_mac_get_cipher(key->cipher);
if (cipher == MT_CIPHER_NONE) {
err = -EOPNOTSUPP;
goto out;
}
wcid = &wd->sta->wcid;
mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, key->cmd);
err = mt7615_mac_wtbl_update_key(dev, wcid, key->key, key->keylen,
cipher, key->cmd);
if (err < 0)
goto out;
err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, key->keyidx,
key->cmd);
if (err < 0)
goto out;
if (key->cmd == SET_KEY)
wcid->cipher |= BIT(cipher);
else
wcid->cipher &= ~BIT(cipher);
out:
kfree(key->key);
return err;
}
void mt7663_usb_sdio_wtbl_work(struct work_struct *work)
{
struct mt7615_wtbl_desc *wd, *wd_next;
struct list_head wd_list;
struct mt7615_dev *dev;
dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,
wtbl_work);
INIT_LIST_HEAD(&wd_list);
spin_lock_bh(&dev->mt76.lock);
list_splice_init(&dev->wd_head, &wd_list);
spin_unlock_bh(&dev->mt76.lock);
list_for_each_entry_safe(wd, wd_next, &wd_list, node) {
list_del(&wd->node);
mt7615_mutex_acquire(dev);
switch (wd->type) {
case MT7615_WTBL_RATE_DESC:
mt7663_usb_sdio_set_rates(dev, wd);
break;
case MT7615_WTBL_KEY_DESC:
mt7663_usb_sdio_set_key(dev, wd);
break;
}
mt7615_mutex_release(dev);
kfree(wd);
}
}
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_wtbl_work);
bool mt7663_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_mutex_acquire(dev);
mt7615_mac_sta_poll(dev);
mt7615_mutex_release(dev);
return 0;
}
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_status_data);
void mt7663_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
enum mt76_txq_id qid,
struct mt76_queue_entry *e)
{
unsigned int headroom = MT_USB_TXD_SIZE;
if (mt76_is_usb(mdev))
headroom += MT_USB_HDR_SIZE;
skb_pull(e->skb, headroom);
mt76_tx_complete_skb(mdev, e->skb);
}
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_complete_skb);
int mt7663_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
struct ieee80211_sta *sta,
struct mt76_tx_info *tx_info)
{
struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
struct sk_buff *skb = tx_info->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) &&
!msta->rate_probe) {
/* request to configure sampling rate */
spin_lock_bh(&dev->mt76.lock);
mt7615_mac_set_rates(&dev->phy, msta, &info->control.rates[0],
msta->rates);
spin_unlock_bh(&dev->mt76.lock);
}
mt7663_usb_sdio_write_txwi(dev, wcid, qid, sta, skb);
if (mt76_is_usb(mdev))
put_unaligned_le32(skb->len, skb_push(skb, sizeof(skb->len)));
return mt76_skb_adjust_pad(skb);
}
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_prepare_skb);
static int mt7663u_dma_sched_init(struct mt7615_dev *dev)
{
int i;
mt76_rmw(dev, MT_DMA_SHDL(MT_DMASHDL_PKT_MAX_SIZE),
MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE,
FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) |
FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8));
/* disable refill group 5 - group 15 and raise group 2
* and 3 as high priority.
*/
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffe00006);
mt76_clear(dev, MT_DMA_SHDL(MT_DMASHDL_PAGE), BIT(16));
for (i = 0; i < 5; i++)
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)),
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x3) |
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x1ff));
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(0)), 0x42104210);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(1)), 0x42104210);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(2)), 0x4444);
/* group pririority from high to low:
* 15 (cmd groups) > 4 > 3 > 2 > 1 > 0.
*/
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6501234f);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x7004801c);
mt76_wr(dev, MT_UDMA_WLCFG_1,
FIELD_PREP(MT_WL_TX_TMOUT_LMT, 80000) |
FIELD_PREP(MT_WL_RX_AGG_PKT_LMT, 1));
/* setup UDMA Rx Flush */
mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
/* hif reset */
mt76_set(dev, MT_HIF_RST, MT_HIF_LOGIC_RST_N);
mt76_set(dev, MT_UDMA_WLCFG_0,
MT_WL_RX_AGG_EN | MT_WL_RX_EN | MT_WL_TX_EN |
MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN |
MT_WL_TX_TMOUT_FUNC_EN);
mt76_rmw(dev, MT_UDMA_WLCFG_0, MT_WL_RX_AGG_LMT | MT_WL_RX_AGG_TO,
FIELD_PREP(MT_WL_RX_AGG_LMT, 32) |
FIELD_PREP(MT_WL_RX_AGG_TO, 100));
return 0;
}
static int mt7663_usb_sdio_init_hardware(struct mt7615_dev *dev)
{
int ret, idx;
ret = mt7615_eeprom_init(dev, MT_EFUSE_BASE);
if (ret < 0)
return ret;
if (mt76_is_usb(&dev->mt76)) {
ret = mt7663u_dma_sched_init(dev);
if (ret)
return ret;
}
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
/* Beacon and mgmt frames should occupy wcid 0 */
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
if (idx)
return -ENOSPC;
dev->mt76.global_wcid.idx = idx;
dev->mt76.global_wcid.hw_key_idx = -1;
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
return 0;
}
int mt7663_usb_sdio_register_device(struct mt7615_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
int err;
INIT_WORK(&dev->wtbl_work, mt7663_usb_sdio_wtbl_work);
INIT_LIST_HEAD(&dev->wd_head);
mt7615_init_device(dev);
err = mt7663_usb_sdio_init_hardware(dev);
if (err)
return err;
/* check hw sg support in order to enable AMSDU */
hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_HW_TXP_MAX_BUF_NUM : 1;
hw->extra_tx_headroom += MT_USB_TXD_SIZE;
if (mt76_is_usb(&dev->mt76))
hw->extra_tx_headroom += MT_USB_HDR_SIZE;
err = mt76_register_device(&dev->mt76, true, mt7615_rates,
ARRAY_SIZE(mt7615_rates));
if (err < 0)
return err;
if (!dev->mt76.usb.sg_en) {
struct ieee80211_sta_vht_cap *vht_cap;
/* decrease max A-MSDU size if SG is not supported */
vht_cap = &dev->mphy.sband_5g.sband.vht_cap;
vht_cap->cap &= ~IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
}
ieee80211_queue_work(hw, &dev->mcu_work);
mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
return mt7615_init_debugfs(dev);
}
EXPORT_SYMBOL_GPL(mt7663_usb_sdio_register_device);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
MODULE_LICENSE("Dual BSD/GPL");