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mt76: mt7615: introduce mt7663e support
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Introduce support for mt7663e 802.11ac 2x2:2 chipset to mt7615 driver.

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Lorenzo Bianconi authored and Felix Fietkau committed Mar 17, 2020
1 parent 8327cd8 commit f40ac0f
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Showing 10 changed files with 308 additions and 25 deletions.
50 changes: 46 additions & 4 deletions drivers/net/wireless/mediatek/mt76/mt7615/dma.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -101,8 +101,12 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
__le32 *rxd = (__le32 *)skb->data;
__le32 *end = (__le32 *)&skb->data[skb->len];
enum rx_pkt_type type;
u16 flag;

type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0]));
if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
type = PKT_TYPE_NORMAL_MCU;

switch (type) {
case PKT_TYPE_TXS:
Expand All @@ -116,6 +120,7 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
case PKT_TYPE_RX_EVENT:
mt7615_mcu_rx_event(dev, skb);
break;
case PKT_TYPE_NORMAL_MCU:
case PKT_TYPE_NORMAL:
if (!mt7615_mac_fill_rx(dev, skb)) {
mt76_rx(&dev->mt76, q, skb);
Expand Down Expand Up @@ -186,6 +191,41 @@ static void mt7622_dma_sched_init(struct mt7615_dev *dev)
mt76_wr(dev, reg + MT_DMASHDL_SCHED_SET1, 0xedcba987);
}

static void mt7663_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));

/* enable refill control group 0, 1, 2, 4, 5 */
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffc80000);
/* enable group 0, 1, 2, 4, 5, 15 */
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x70068037);

/* each group min quota must larger then PLE_PKT_MAX_SIZE_NUM */
for (i = 0; i < 5; i++)
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)),
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x40) |
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x800));
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(5)),
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x40) |
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x40));
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(15)),
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x20) |
FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x20));

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)), 0x00050005);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(3)), 0);
/* ALTX0 and ALTX1 QID mapping to group 5 */
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6012345f);
mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987);
}

int mt7615_dma_init(struct mt7615_dev *dev)
{
int rx_ring_size = MT7615_RX_RING_SIZE;
Expand All @@ -198,10 +238,6 @@ int mt7615_dma_init(struct mt7615_dev *dev)
MT_WPDMA_GLO_CFG_FIFO_LITTLE_ENDIAN |
MT_WPDMA_GLO_CFG_OMIT_TX_INFO);

if (!is_mt7622(&dev->mt76))
mt76_set(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_FIRST_TOKEN_ONLY);

mt76_rmw_field(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_TX_BT_SIZE_BIT0, 0x1);

Expand All @@ -215,6 +251,9 @@ int mt7615_dma_init(struct mt7615_dev *dev)
MT_WPDMA_GLO_CFG_MULTI_DMA_EN, 0x3);

if (is_mt7615(&dev->mt76)) {
mt76_set(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_FIRST_TOKEN_ONLY);

mt76_wr(dev, MT_WPDMA_GLO_CFG1, 0x1);
mt76_wr(dev, MT_WPDMA_TX_PRE_CFG, 0xf0000);
mt76_wr(dev, MT_WPDMA_RX_PRE_CFG, 0xf7f0000);
Expand Down Expand Up @@ -271,6 +310,9 @@ int mt7615_dma_init(struct mt7615_dev *dev)
if (is_mt7622(&dev->mt76))
mt7622_dma_sched_init(dev);

if (is_mt7663(&dev->mt76))
mt7663_dma_sched_init(dev);

return 0;
}

Expand Down
40 changes: 28 additions & 12 deletions drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -128,19 +128,25 @@ mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
{
u8 *eeprom = dev->mt76.eeprom.data;
u8 tx_mask, max_nss;
u32 val;
u8 tx_mask;

mt7615_eeprom_parse_hw_band_cap(dev);

/* read tx-rx mask from eeprom */
val = mt76_rr(dev, MT_TOP_STRAP_STA);
max_nss = val & MT_TOP_3NSS ? 3 : 4;
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;

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;
Expand Down Expand Up @@ -247,6 +253,18 @@ static void mt7622_apply_cal_free_data(struct mt7615_dev *dev)
}
}

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;
Expand All @@ -259,10 +277,8 @@ int mt7615_eeprom_init(struct mt7615_dev *dev)
if (ret && dev->mt76.otp.data)
memcpy(dev->mt76.eeprom.data, dev->mt76.otp.data,
MT7615_EEPROM_SIZE);
else if (is_mt7622(&dev->mt76))
mt7622_apply_cal_free_data(dev);
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,
Expand Down
18 changes: 14 additions & 4 deletions drivers/net/wireless/mediatek/mt76/mt7615/init.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
* Author: Roy Luo <royluo@google.com>
* Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
* Lorenzo Bianconi <lorenzo@kernel.org>
*/

#include <linux/etherdevice.h>
Expand Down Expand Up @@ -77,7 +78,6 @@ static void mt7615_mac_init(struct mt7615_dev *dev)
int i;

mt7615_init_mac_chain(dev, 0);
mt7615_init_mac_chain(dev, 1);

mt76_rmw_field(dev, MT_TMAC_CTCR0,
MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
Expand All @@ -101,15 +101,25 @@ static void mt7615_mac_init(struct mt7615_dev *dev)
FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4));

mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP |
FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072));

for (i = 0; i < MT7615_WTBL_SIZE; i++)
mt7615_mac_wtbl_update(dev, i,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);

mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_EN);
mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0, MT_WF_RMAC_MIB_RXTIME_EN);

/* disable hdr translation and hw AMSDU */
mt76_wr(dev, MT_DMA_DCR0,
FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
MT_DMA_DCR0_RX_VEC_DROP);
if (is_mt7663(&dev->mt76)) {
mt76_wr(dev, MT_CSR(0x010), 0x8208);
mt76_wr(dev, 0x44064, 0x2000000);
mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040);
} else {
mt7615_init_mac_chain(dev, 1);
}
}

bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
Expand Down
6 changes: 6 additions & 0 deletions drivers/net/wireless/mediatek/mt76/mt7615/mac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1524,6 +1524,9 @@ void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable)
if (dev->scs_en == enable)
goto out;

if (is_mt7663(&dev->mt76))
goto out;

if (enable) {
mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(0),
MT_WF_PHY_PD_BLK(0));
Expand Down Expand Up @@ -1555,6 +1558,9 @@ void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy)
{
u32 rxtd;

if (is_mt7663(&dev->mt76))
return;

if (ext_phy)
rxtd = MT_WF_PHY_RXTD2(10);
else
Expand Down
11 changes: 10 additions & 1 deletion drivers/net/wireless/mediatek/mt76/mt7615/mac.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
#define MT_CT_DMA_BUF_NUM 2

#define MT_RXD0_LENGTH GENMASK(15, 0)
#define MT_RXD0_PKT_FLAG GENMASK(19, 16)
#define MT_RXD0_PKT_TYPE GENMASK(31, 29)

#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16)
Expand All @@ -26,7 +27,8 @@ enum rx_pkt_type {
PKT_TYPE_RX_TMR,
PKT_TYPE_RETRIEVE,
PKT_TYPE_TXRX_NOTIFY,
PKT_TYPE_RX_EVENT
PKT_TYPE_RX_EVENT,
PKT_TYPE_NORMAL_MCU,
};

#define MT_RXD1_NORMAL_BSSID GENMASK(31, 26)
Expand Down Expand Up @@ -229,8 +231,15 @@ enum tx_phy_bandwidth {
#define MT_TXD6_FIXED_BW BIT(2)
#define MT_TXD6_BW GENMASK(1, 0)

/* MT7663 DW7 HW-AMSDU */
#define MT_TXD7_HW_AMSDU_CAP BIT(30)
#define MT_TXD7_TYPE GENMASK(21, 20)
#define MT_TXD7_SUB_TYPE GENMASK(19, 16)
#define MT_TXD7_SPE_IDX GENMASK(15, 11)
#define MT_TXD7_SPE_IDX_SLE BIT(10)

#define MT_TXD8_L_TYPE GENMASK(5, 4)
#define MT_TXD8_L_SUB_TYPE GENMASK(3, 0)

#define MT_TX_RATE_STBC BIT(11)
#define MT_TX_RATE_NSS GENMASK(10, 9)
Expand Down
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