From patchwork Wed Sep 15 01:14:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12495273 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6567C433EF for ; Wed, 15 Sep 2021 01:26:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FF4561166 for ; Wed, 15 Sep 2021 01:26:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232017AbhIOB1W (ORCPT ); Tue, 14 Sep 2021 21:27:22 -0400 Received: from mailgw01.mediatek.com ([216.200.240.184]:61879 "EHLO mailgw01.mediatek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231250AbhIOB1W (ORCPT ); Tue, 14 Sep 2021 21:27:22 -0400 X-UUID: 4d2bce3278f342a4aa0cff0a89e93277-20210914 X-UUID: 4d2bce3278f342a4aa0cff0a89e93277-20210914 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1000275405; Tue, 14 Sep 2021 18:25:56 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Sep 2021 18:15:54 -0700 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Sep 2021 09:15:54 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , Subject: [PATCH v1 15/16] mt76: mt7921: introduce mt7921s support Date: Wed, 15 Sep 2021 09:14:48 +0800 Message-ID: <9fd9b09c90185dfd8195762868be0015df6e4107.1631667941.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang Introduce support for mt7921s 802.11ax (Wi-Fi 6) 2x2:2SS chipset. Tested-by: Deren Wu Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mcu.c | 8 +- .../net/wireless/mediatek/mt76/mt7921/Kconfig | 11 + .../wireless/mediatek/mt76/mt7921/Makefile | 2 + .../wireless/mediatek/mt76/mt7921/debugfs.c | 18 +- .../net/wireless/mediatek/mt76/mt7921/init.c | 11 +- .../net/wireless/mediatek/mt76/mt7921/mac.c | 22 +- .../net/wireless/mediatek/mt76/mt7921/mac.h | 4 + .../net/wireless/mediatek/mt76/mt7921/mcu.c | 2 +- .../wireless/mediatek/mt76/mt7921/mt7921.h | 31 +++ .../net/wireless/mediatek/mt76/mt7921/sdio.c | 259 ++++++++++++++++++ .../wireless/mediatek/mt76/mt7921/sdio_init.c | 22 ++ .../wireless/mediatek/mt76/mt7921/sdio_mac.c | 88 ++++++ .../wireless/mediatek/mt76/mt7921/sdio_mcu.c | 125 +++++++++ 13 files changed, 590 insertions(+), 13 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio_init.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index d3a5e2c4f12a..e174b8eb58e7 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -4,6 +4,7 @@ */ #include "mt76.h" +#include "mt76_connac.h" struct sk_buff * mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data, @@ -109,10 +110,13 @@ EXPORT_SYMBOL_GPL(mt76_mcu_skb_send_and_get_msg); int mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data, int len) { - int err, cur_len; + int err, cur_len, max_len = 4096 - dev->mcu_ops->headroom; + + if (is_mt7921(dev) && mt76_is_sdio(dev)) + max_len = 2048; while (len > 0) { - cur_len = min_t(int, 4096 - dev->mcu_ops->headroom, len); + cur_len = min_t(int, max_len, len); err = mt76_mcu_send_msg(dev, cmd, data, cur_len, false); if (err) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig index 071746809b1c..705215e71cdc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig @@ -13,3 +13,14 @@ config MT7921E This adds support for MT7921E 802.11ax 2x2:2SS wireless devices. To compile this driver as a module, choose M here. + +config MT7921S + tristate "MediaTek MT7921S (SDIO) support" + select MT76_SDIO + select MT76_CONNAC_SDIO + select MT7921_COMMON + depends on MAC80211 + help + This adds support for MT7921S 802.11ax 2x2:2SS wireless devices. + + To compile this driver as a module, choose M here. diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile index 983d40fb3fb6..68117a20dd44 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile @@ -2,9 +2,11 @@ obj-$(CONFIG_MT7921_COMMON) += mt7921-common.o obj-$(CONFIG_MT7921E) += mt7921e.o +obj-$(CONFIG_MT7921S) += mt7921s.o CFLAGS_trace.o := -I$(src) mt7921-common-y := mac.o mcu.o main.o init.o debugfs.o trace.o mt7921-common-$(CONFIG_NL80211_TESTMODE) += testmode.o mt7921e-y := pci.o pci_mac.o pci_mcu.o pci_init.o dma.o +mt7921s-y := sdio.o sdio_mac.o sdio_mcu.o sdio_init.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 11f8acf4f59e..0bb413615331 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -413,6 +413,20 @@ static int mt7921_chip_reset(void *data, u64 val) DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); +static int +mt7921s_sched_quota_read(struct seq_file *s, void *data) +{ + struct mt7921_dev *dev = dev_get_drvdata(s->private); + struct mt76_sdio *sdio = &dev->mt76.sdio; + + seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota); + seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota); + seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota); + seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit); + + return 0; +} + int mt7921_init_debugfs(struct mt7921_dev *dev) { struct dentry *dir; @@ -436,6 +450,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev) debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, mt7921_pm_stats); debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); - + if (mt76_is_sdio(&dev->mt76)) + debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir, + mt7921s_sched_quota_read); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 6a4b014e8afd..2b7260be224f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -231,8 +231,15 @@ int mt7921_register_device(struct mt7921_dev *dev) dev->pm.idle_timeout = MT7921_PM_TIMEOUT; dev->pm.stats.last_wake_event = jiffies; dev->pm.stats.last_doze_event = jiffies; - dev->pm.enable = true; - dev->pm.ds_enable = true; + + /* TODO: mt7921s run sleep mode on default */ + if (mt76_is_mmio(&dev->mt76)) { + dev->pm.enable = true; + dev->pm.ds_enable = true; + } + + if (mt76_is_sdio(&dev->mt76)) + hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; ret = mt7921_init_hardware(dev); if (ret) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 0cb6dc118711..08c3099c682b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -848,6 +848,8 @@ mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, struct ieee80211_vif *vif = info->control.vif; struct mt76_phy *mphy = &dev->mphy; u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0; + bool is_mmio = mt76_is_mmio(&dev->mt76); + u32 sz_txd = is_mmio ? MT_TXD_SIZE : MT_SDIO_TXD_SIZE; bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP; u16 tx_count = 15; u32 val; @@ -863,15 +865,15 @@ mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, p_fmt = MT_TX_TYPE_FW; q_idx = MT_LMAC_BCN0; } else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) { - p_fmt = MT_TX_TYPE_CT; + p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF; q_idx = MT_LMAC_ALTX0; } else { - p_fmt = MT_TX_TYPE_CT; + p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF; q_idx = wmm_idx * MT7921_MAX_WMM_SETS + mt7921_lmac_mapping(dev, skb_get_queue_mapping(skb)); } - val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) | + val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) | FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) | FIELD_PREP(MT_TXD0_Q_IDX, q_idx); txwi[0] = cpu_to_le32(val); @@ -1390,12 +1392,18 @@ void mt7921_pm_wake_work(struct work_struct *work) mphy = dev->phy.mt76; if (!mt7921_mcu_drv_pmctrl(dev)) { + struct mt76_dev *mdev = &dev->mt76; int i; - mt76_for_each_q_rx(&dev->mt76, i) - napi_schedule(&dev->mt76.napi[i]); - mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); - mt7921_mcu_tx_cleanup(dev); + if (mt76_is_sdio(mdev)) { + mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); + mt76_worker_schedule(&mdev->sdio.txrx_worker); + } else { + mt76_for_each_q_rx(mdev, i) + napi_schedule(&mdev->napi[i]); + mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); + mt7921_mcu_tx_cleanup(dev); + } if (test_bit(MT76_STATE_RUNNING, &mphy->state)) ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, MT7921_WATCHDOG_TIME); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h index ad2e52c97aa8..544a1c33126a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h @@ -199,6 +199,10 @@ enum tx_mcu_port_q_idx { #define MT_TXD_SIZE (8 * 4) +#define MT_SDIO_TXD_SIZE (MT_TXD_SIZE + 8 * 4) +#define MT_SDIO_TAIL_SIZE 8 +#define MT_SDIO_HDR_SIZE 4 + #define MT_TXD0_Q_IDX GENMASK(31, 25) #define MT_TXD0_PKT_FMT GENMASK(24, 23) #define MT_TXD0_ETH_TYPE_OFFSET GENMASK(22, 16) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 2de5a2ba43b2..e20bfa5f05c4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -856,7 +856,7 @@ static int mt7921_load_firmware(struct mt7921_dev *dev) int ret; ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); - if (ret) { + if (ret && mt76_is_mmio(&dev->mt76)) { dev_dbg(dev->mt76.dev, "Firmware is already download\n"); goto fw_loaded; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index 01c356b315ec..a94baa024e3c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -47,6 +47,16 @@ #define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM #define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1) +#define MT7921_SDIO_HDR_TX_BYTES GENMASK(15, 0) +#define MT7921_SDIO_HDR_PKT_TYPE GENMASK(17, 16) + +enum mt7921_sdio_pkt_type { + MT7921_SDIO_TXD, + MT7921_SDIO_DATA, + MT7921_SDIO_CMD, + MT7921_SDIO_FWDL, +}; + #define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2) #define to_rcpi(rssi) (2 * (rssi) + 220) @@ -315,6 +325,17 @@ static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev) return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); } +static inline void mt7921_skb_add_sdio_hdr(struct sk_buff *skb, + enum mt7921_sdio_pkt_type type) +{ + u32 hdr; + + hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, skb->len + sizeof(hdr)) | + FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type); + + put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr))); +} + int mt7921_mac_init(struct mt7921_dev *dev); bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); void mt7921_mac_reset_counters(struct mt7921_phy *phy); @@ -390,4 +411,14 @@ int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev); int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); int mt7921e_init_reset(struct mt7921_dev *dev); +int mt7921s_mcu_init(struct mt7921_dev *dev); +void mt7921s_unregister_device(struct mt7921_dev *dev); +int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev); +int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev); +int mt7921s_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); +void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); +bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c new file mode 100644 index 000000000000..786025360fcb --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2021 MediaTek Inc. + * + */ + +#include +#include +#include + +#include +#include +#include + +#include "mt7921.h" +#include "../mt76_connac_sdio.h" +#include "mac.h" +#include "mcu.h" + +static const struct sdio_device_id mt7921s_table[] = { + { SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7901) }, + { } /* Terminating entry */ +}; + +static void mt7921s_txrx_worker(struct mt76_worker *w) +{ + struct mt76_sdio *sdio = container_of(w, struct mt76_sdio, + txrx_worker); + struct mt76_dev *mdev = container_of(sdio, struct mt76_dev, sdio); + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { + queue_work(mdev->wq, &dev->pm.wake_work); + return; + } + + mt76_connac_sdio_txrx(mdev); + + mt76_connac_pm_unref(&dev->mphy, &dev->pm); +} + +static void mt7921s_irq(struct sdio_func *func) +{ + struct mt7921_dev *dev = sdio_get_drvdata(func); + struct mt76_sdio *sdio = &dev->mt76.sdio; + + if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.phy.state)) + return; + + mt76_worker_schedule(&sdio->txrx_worker); +} + +static int mt7921s_probe(struct sdio_func *func, + const struct sdio_device_id *id) +{ + static const struct mt76_driver_ops drv_ops = { + .txwi_size = MT_SDIO_TXD_SIZE, + .survey_flags = SURVEY_INFO_TIME_TX | + SURVEY_INFO_TIME_RX | + SURVEY_INFO_TIME_BSS_RX, + .tx_prepare_skb = mt7921s_tx_prepare_skb, + .tx_complete_skb = mt7921s_tx_complete_skb, + .tx_status_data = mt7921s_tx_status_data, + .rx_skb = mt7921_queue_rx_skb, + .sta_ps = mt7921_sta_ps, + .sta_add = mt7921_mac_sta_add, + .sta_assoc = mt7921_mac_sta_assoc, + .sta_remove = mt7921_mac_sta_remove, + .update_survey = mt7921_update_channel, + }; + static const struct mt76_bus_ops mt7921s_ops = { + .rr = mt76_connac_sdio_rr, + .rmw = mt76_connac_sdio_rmw, + .wr = mt76_connac_sdio_wr, + .write_copy = mt76_connac_sdio_write_copy, + .read_copy = mt76_connac_sdio_read_copy, + .wr_rp = mt76_connac_sdio_wr_rp, + .rd_rp = mt76_connac_sdio_rd_rp, + .type = MT76_BUS_SDIO, + }; + static const struct mt7921_hif_ops mt7921_sdio_ops = { + .mcu_init = mt7921s_mcu_init, + .drv_own = mt7921s_mcu_drv_pmctrl, + .fw_own = mt7921s_mcu_fw_pmctrl, + }; + + struct mt7921_dev *dev; + struct mt76_dev *mdev; + int ret; + + mdev = mt76_alloc_device(&func->dev, sizeof(*dev), &mt7921_ops, + &drv_ops); + if (!mdev) + return -ENOMEM; + + dev = container_of(mdev, struct mt7921_dev, mt76); + dev->hif_ops = &mt7921_sdio_ops; + + sdio_set_drvdata(func, dev); + + ret = mt76s_init(mdev, func, &mt7921s_ops); + if (ret < 0) + goto error; + + ret = mt76_connac_sdio_hw_init(mdev, func, MT76_CONNAC2_SDIO, + mt7921s_irq); + if (ret) + goto error; + + mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) | + (mt76_rr(dev, MT_HW_REV) & 0xff); + dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev); + + ret = mt76_connac_sdio_init(mdev, mt7921s_txrx_worker); + if (ret) + goto error; + + ret = mt76s_alloc_queues(&dev->mt76); + if (ret) + goto error; + + ret = mt7921_register_device(dev); + if (ret) + goto error; + + return 0; + +error: + mt76s_deinit(&dev->mt76); + mt76_free_device(&dev->mt76); + + return ret; +} + +static void mt7921s_remove(struct sdio_func *func) +{ + struct mt7921_dev *dev = sdio_get_drvdata(func); + + mt7921s_unregister_device(dev); +} + +#ifdef CONFIG_PM +static int mt7921s_suspend(struct device *__dev) +{ + struct sdio_func *func = dev_to_sdio_func(__dev); + struct mt7921_dev *dev = sdio_get_drvdata(func); + struct mt76_connac_pm *pm = &dev->pm; + struct mt76_dev *mdev = &dev->mt76; + bool hif_suspend; + int err; + + pm->suspended = true; + cancel_delayed_work_sync(&pm->ps_work); + cancel_work_sync(&pm->wake_work); + + err = mt7921_mcu_drv_pmctrl(dev); + if (err < 0) + goto restore_suspend; + + hif_suspend = !test_bit(MT76_STATE_SUSPEND, &dev->mphy.state); + if (hif_suspend) { + err = mt76_connac_mcu_set_hif_suspend(mdev, true); + if (err) + goto restore_suspend; + } + + /* always enable deep sleep during suspend to reduce + * power consumption + */ + mt76_connac_mcu_set_deep_sleep(mdev, true); + + mt76_txq_schedule_all(&dev->mphy); + mt76_worker_disable(&mdev->tx_worker); + mt76_worker_disable(&mdev->sdio.txrx_worker); + mt76_worker_disable(&mdev->sdio.status_worker); + mt76_worker_disable(&mdev->sdio.net_worker); + cancel_work_sync(&mdev->sdio.stat_work); + clear_bit(MT76_READING_STATS, &dev->mphy.state); + + mt76_tx_status_check(mdev, true); + + err = mt7921_mcu_fw_pmctrl(dev); + if (err) + goto restore_worker; + + sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + + return 0; + +restore_worker: + mt76_worker_enable(&mdev->tx_worker); + mt76_worker_enable(&mdev->sdio.txrx_worker); + mt76_worker_enable(&mdev->sdio.status_worker); + mt76_worker_enable(&mdev->sdio.net_worker); + + if (!pm->ds_enable) + mt76_connac_mcu_set_deep_sleep(mdev, false); + + if (hif_suspend) + mt76_connac_mcu_set_hif_suspend(mdev, false); + +restore_suspend: + pm->suspended = false; + + return err; +} + +static int mt7921s_resume(struct device *__dev) +{ + struct sdio_func *func = dev_to_sdio_func(__dev); + struct mt7921_dev *dev = sdio_get_drvdata(func); + struct mt76_connac_pm *pm = &dev->pm; + struct mt76_dev *mdev = &dev->mt76; + int err; + + pm->suspended = false; + + err = mt7921_mcu_drv_pmctrl(dev); + if (err < 0) + return err; + + mt76_worker_enable(&mdev->tx_worker); + mt76_worker_enable(&mdev->sdio.txrx_worker); + mt76_worker_enable(&mdev->sdio.status_worker); + mt76_worker_enable(&mdev->sdio.net_worker); + + /* restore previous ds setting */ + if (!pm->ds_enable) + mt76_connac_mcu_set_deep_sleep(mdev, false); + + if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state)) + err = mt76_connac_mcu_set_hif_suspend(mdev, false); + + return err; +} + +static const struct dev_pm_ops mt7921s_pm_ops = { + .suspend = mt7921s_suspend, + .resume = mt7921s_resume, +}; +#endif + +MODULE_DEVICE_TABLE(sdio, mt7921s_table); +MODULE_FIRMWARE(MT7921_FIRMWARE_WM); +MODULE_FIRMWARE(MT7921_ROM_PATCH); + +static struct sdio_driver mt7921s_driver = { + .name = KBUILD_MODNAME, + .probe = mt7921s_probe, + .remove = mt7921s_remove, + .id_table = mt7921s_table, +#ifdef CONFIG_PM + .drv = { + .pm = &mt7921s_pm_ops, + } +#endif +}; +module_sdio_driver(mt7921s_driver); +MODULE_AUTHOR("Sean Wang "); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_init.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_init.c new file mode 100644 index 000000000000..2ede48efa989 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_init.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2021 MediaTek Inc. */ + +#include +#include "mt7921.h" +#include "mac.h" +#include "mcu.h" +#include "eeprom.h" + +void mt7921s_unregister_device(struct mt7921_dev *dev) +{ + struct mt76_connac_pm *pm = &dev->pm; + + mt76_unregister_device(&dev->mt76); + cancel_delayed_work_sync(&pm->ps_work); + cancel_work_sync(&pm->wake_work); + + mt76s_deinit(&dev->mt76); + mt7921_mcu_exit(dev); + + mt76_free_device(&dev->mt76); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c new file mode 100644 index 000000000000..4d53a9281a75 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2021 MediaTek Inc. */ + +#include +#include +#include "mt7921.h" +#include "mac.h" +#include "../mt76_connac_sdio.h" + +static void +mt7921s_write_txwi(struct mt7921_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; + + pid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb); + txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE); + memset(txwi, 0, MT_SDIO_TXD_SIZE); + mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false); + skb_push(skb, MT_SDIO_TXD_SIZE); +} + +int mt7921s_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 mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct sk_buff *skb = tx_info->skb; + int pad; + + if (unlikely(tx_info->skb->len <= ETH_HLEN)) + return -EINVAL; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + if (sta) { + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + + if (time_after(jiffies, msta->last_txs + HZ / 4)) { + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + msta->last_txs = jiffies; + } + } + + mt7921s_write_txwi(dev, wcid, qid, sta, skb); + + mt7921_skb_add_sdio_hdr(skb, MT7921_SDIO_DATA); + pad = round_up(skb->len, 4) - skb->len; + + return mt76_skb_adjust_pad(skb, pad); +} + +void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) +{ + __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE); + unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; + struct ieee80211_sta *sta; + struct mt76_wcid *wcid; + u16 idx; + + idx = FIELD_GET(MT_TXD1_WLAN_IDX, le32_to_cpu(txwi[1])); + wcid = rcu_dereference(mdev->wcid[idx]); + sta = wcid_to_sta(wcid); + + if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE))) + mt7921_tx_check_aggr(sta, txwi); + + skb_pull(e->skb, headroom); + mt76_tx_complete_skb(mdev, e->wcid, e->skb); +} + +bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + + mt7921_mutex_acquire(dev); + mt7921_mac_sta_poll(dev); + mt7921_mutex_release(dev); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c new file mode 100644 index 000000000000..12cb7e8bb9f0 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2021 MediaTek Inc. */ + +#include +#include +#include +#include + +#include "mt7921.h" +#include "../mt76_connac_sdio.h" +#include "mac.h" +#include "mcu.h" +#include "regs.h" + +static int +mt7921s_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, + int cmd, int *seq) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + enum mt7921_sdio_pkt_type type = MT7921_SDIO_CMD; + enum mt76_mcuq_id txq = MT_MCUQ_WM; + int ret, pad; + + ret = mt7921_mcu_fill_message(mdev, skb, cmd, seq); + if (ret) + return ret; + + if (cmd == MCU_CMD_FW_SCATTER) + type = MT7921_SDIO_FWDL; + + mt7921_skb_add_sdio_hdr(skb, type); + pad = round_up(skb->len, 4) - skb->len; + __skb_put_zero(skb, pad); + + ret = mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0); + if (ret) + return ret; + + mt76_queue_kick(dev, mdev->q_mcu[txq]); + + return ret; +} + +int mt7921s_mcu_init(struct mt7921_dev *dev) +{ + static const struct mt76_mcu_ops mt7921s_mcu_ops = { + .headroom = MT_SDIO_HDR_SIZE + sizeof(struct mt7921_mcu_txd), + .tailroom = MT_SDIO_TAIL_SIZE, + .mcu_skb_send_msg = mt7921s_mcu_send_message, + .mcu_parse_response = mt7921_mcu_parse_response, + }; + int ret; + + mt7921s_mcu_drv_pmctrl(dev); + + dev->mt76.mcu_ops = &mt7921s_mcu_ops; + + ret = mt7921_run_firmware(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + + return 0; +} + +int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev) +{ + struct sdio_func *func = dev->mt76.sdio.func; + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; + int err = 0; + u32 status; + + sdio_claim_host(func); + + sdio_writel(func, WHLPCR_FW_OWN_REQ_CLR, MCR_WHLPCR, NULL); + + err = readx_poll_timeout(mt76_connac_sdio_read_pcr, &dev->mt76, status, + status & WHLPCR_IS_DRIVER_OWN, 2000, 1000000); + sdio_release_host(func); + + if (err < 0) { + dev_err(dev->mt76.dev, "driver own failed\n"); + err = -EIO; + goto out; + } + + clear_bit(MT76_STATE_PM, &mphy->state); + + pm->stats.last_wake_event = jiffies; + pm->stats.doze_time += pm->stats.last_wake_event - + pm->stats.last_doze_event; +out: + return err; +} + +int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev) +{ + struct sdio_func *func = dev->mt76.sdio.func; + struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; + int err = 0; + u32 status; + + sdio_claim_host(func); + + sdio_writel(func, WHLPCR_FW_OWN_REQ_SET, MCR_WHLPCR, NULL); + + err = readx_poll_timeout(mt76_connac_sdio_read_pcr, &dev->mt76, status, + !(status & WHLPCR_IS_DRIVER_OWN), 2000, 1000000); + sdio_release_host(func); + + if (err < 0) { + dev_err(dev->mt76.dev, "firmware own failed\n"); + clear_bit(MT76_STATE_PM, &mphy->state); + err = -EIO; + } + + pm->stats.last_doze_event = jiffies; + pm->stats.awake_time += pm->stats.last_doze_event - + pm->stats.last_wake_event; + + return err; +}