[PATCH v2 4/6] mt76: mt7615: introduce mt7663-usb-sdio-common module
Lorenzo Bianconi
lorenzo at kernel.org
Wed Jul 15 08:46:29 EDT 2020
Introduce mt7663-usb-sdio-common module as container for shared
code between usb and sdio driver.
Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
---
.../net/wireless/mediatek/mt76/mt7615/Kconfig | 6 +-
.../wireless/mediatek/mt76/mt7615/Makefile | 4 +-
.../wireless/mediatek/mt76/mt7615/mt7615.h | 13 +-
.../net/wireless/mediatek/mt76/mt7615/usb.c | 255 +-----------
.../wireless/mediatek/mt76/mt7615/usb_init.c | 145 -------
.../wireless/mediatek/mt76/mt7615/usb_sdio.c | 390 ++++++++++++++++++
6 files changed, 424 insertions(+), 389 deletions(-)
delete mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
index c094260b0f89..10a4f1ed9194 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
@@ -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
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
index d2ad84cb5244..a1cdaadb5442 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
@@ -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
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index f70d49cbc027..097cd150d879 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -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
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
index aba926f1eeb5..f1b4a6316db3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -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)
-{
- 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)
+static void mt7663u_init_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:
- __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);
+ dev = container_of(work, struct mt7615_dev, mcu_work);
+ if (mt7663u_mcu_init(dev))
+ return;
- 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;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
deleted file mode 100644
index 1fbc9601391d..000000000000
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
+++ /dev/null
@@ -1,145 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2019 MediaTek Inc.
- *
- * Author: Felix Fietkau <nbd at nbd.name>
- * Lorenzo Bianconi <lorenzo at kernel.org>
- * Sean Wang <sean.wang at 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);
-}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c
new file mode 100644
index 000000000000..610cc1fbec5b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c
@@ -0,0 +1,390 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo at kernel.org>
+ * Sean Wang <sean.wang at 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 at kernel.org>");
+MODULE_AUTHOR("Sean Wang <sean.wang at mediatek.com>");
+MODULE_LICENSE("Dual BSD/GPL");
--
2.26.2
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