// SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. * * Author: Felix Fietkau * Lorenzo Bianconi * Sean Wang */ #include #include #include #include #include #include #include "../sdio.h" #include "mt7615.h" #include "mac.h" #include "mcu.h" static const struct sdio_device_id mt7663s_table[] = { { SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7603) }, { } /* Terminating entry */ }; static void mt7663s_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 mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { queue_work(mdev->wq, &dev->pm.wake_work); return; } mt76s_txrx_worker(sdio); mt76_connac_pm_unref(&dev->mphy, &dev->pm); } static void mt7663s_init_work(struct work_struct *work) { struct mt7615_dev *dev; dev = container_of(work, struct mt7615_dev, mcu_work); if (mt7663s_mcu_init(dev)) return; mt7615_init_work(dev); } static int mt7663s_parse_intr(struct mt76_dev *dev, struct mt76s_intr *intr) { struct mt76_sdio *sdio = &dev->sdio; struct mt7663s_intr *irq_data = sdio->intr_data; int i, err; sdio_claim_host(sdio->func); err = sdio_readsb(sdio->func, irq_data, MCR_WHISR, sizeof(*irq_data)); sdio_release_host(sdio->func); if (err) return err; intr->isr = irq_data->isr; intr->rec_mb = irq_data->rec_mb; intr->tx.wtqcr = irq_data->tx.wtqcr; intr->rx.num = irq_data->rx.num; for (i = 0; i < 2 ; i++) intr->rx.len[i] = irq_data->rx.len[i]; return 0; } static int mt7663s_probe(struct sdio_func *func, const struct sdio_device_id *id) { static const struct mt76_driver_ops drv_ops = { .txwi_size = MT_USB_TXD_SIZE, .drv_flags = MT_DRV_RX_DMA_HDR, .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, .rx_check = mt7615_rx_check, .sta_add = mt7615_mac_sta_add, .sta_remove = mt7615_mac_sta_remove, .update_survey = mt7615_update_channel, .set_channel = mt7615_set_channel, }; static const struct mt76_bus_ops mt7663s_ops = { .rr = mt76s_rr, .rmw = mt76s_rmw, .wr = mt76s_wr, .write_copy = mt76s_write_copy, .read_copy = mt76s_read_copy, .wr_rp = mt76s_wr_rp, .rd_rp = mt76s_rd_rp, .type = MT76_BUS_SDIO, }; struct ieee80211_ops *ops; struct mt7615_dev *dev; struct mt76_dev *mdev; int ret; ops = devm_kmemdup(&func->dev, &mt7615_ops, sizeof(mt7615_ops), GFP_KERNEL); if (!ops) return -ENOMEM; mdev = mt76_alloc_device(&func->dev, sizeof(*dev), ops, &drv_ops); if (!mdev) return -ENOMEM; dev = container_of(mdev, struct mt7615_dev, mt76); INIT_WORK(&dev->mcu_work, mt7663s_init_work); dev->reg_map = mt7663_usb_sdio_reg_map; dev->ops = ops; sdio_set_drvdata(func, dev); ret = mt76s_init(mdev, func, &mt7663s_ops); if (ret < 0) goto error; ret = mt76s_hw_init(mdev, func, MT76_CONNAC_SDIO); 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); mdev->sdio.parse_irq = mt7663s_parse_intr; mdev->sdio.intr_data = devm_kmalloc(mdev->dev, sizeof(struct mt7663s_intr), GFP_KERNEL); if (!mdev->sdio.intr_data) { ret = -ENOMEM; goto error; } ret = mt76s_alloc_rx_queue(mdev, MT_RXQ_MAIN); if (ret) goto error; ret = mt76s_alloc_tx(mdev); if (ret) goto error; ret = mt76_worker_setup(mt76_hw(dev), &mdev->sdio.txrx_worker, mt7663s_txrx_worker, "sdio-txrx"); if (ret) goto error; sched_set_fifo_low(mdev->sdio.txrx_worker.task); ret = mt7663_usb_sdio_register_device(dev); if (ret) goto error; return 0; error: mt76s_deinit(&dev->mt76); mt76_free_device(&dev->mt76); return ret; } static void mt7663s_remove(struct sdio_func *func) { struct mt7615_dev *dev = sdio_get_drvdata(func); if (!test_and_clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) return; ieee80211_unregister_hw(dev->mt76.hw); mt76s_deinit(&dev->mt76); mt76_free_device(&dev->mt76); } static int mt7663s_suspend(struct device *dev) { struct sdio_func *func = dev_to_sdio_func(dev); struct mt7615_dev *mdev = sdio_get_drvdata(func); int err; if (!test_bit(MT76_STATE_SUSPEND, &mdev->mphy.state) && mt7615_firmware_offload(mdev)) { int err; err = mt76_connac_mcu_set_hif_suspend(&mdev->mt76, true); if (err < 0) return err; } sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); err = mt7615_mcu_set_fw_ctrl(mdev); if (err) return err; mt76_worker_disable(&mdev->mt76.sdio.txrx_worker); mt76_worker_disable(&mdev->mt76.sdio.status_worker); mt76_worker_disable(&mdev->mt76.sdio.net_worker); mt76_worker_disable(&mdev->mt76.sdio.stat_worker); clear_bit(MT76_READING_STATS, &mdev->mphy.state); mt76_tx_status_check(&mdev->mt76, true); return 0; } static int mt7663s_resume(struct device *dev) { struct sdio_func *func = dev_to_sdio_func(dev); struct mt7615_dev *mdev = sdio_get_drvdata(func); int err; mt76_worker_enable(&mdev->mt76.sdio.txrx_worker); mt76_worker_enable(&mdev->mt76.sdio.status_worker); mt76_worker_enable(&mdev->mt76.sdio.net_worker); err = mt7615_mcu_set_drv_ctrl(mdev); if (err) return err; if (!test_bit(MT76_STATE_SUSPEND, &mdev->mphy.state) && mt7615_firmware_offload(mdev)) err = mt76_connac_mcu_set_hif_suspend(&mdev->mt76, false); return err; } MODULE_DEVICE_TABLE(sdio, mt7663s_table); MODULE_FIRMWARE(MT7663_OFFLOAD_FIRMWARE_N9); MODULE_FIRMWARE(MT7663_OFFLOAD_ROM_PATCH); MODULE_FIRMWARE(MT7663_FIRMWARE_N9); MODULE_FIRMWARE(MT7663_ROM_PATCH); static DEFINE_SIMPLE_DEV_PM_OPS(mt7663s_pm_ops, mt7663s_suspend, mt7663s_resume); static struct sdio_driver mt7663s_driver = { .name = KBUILD_MODNAME, .probe = mt7663s_probe, .remove = mt7663s_remove, .id_table = mt7663s_table, .drv.pm = pm_sleep_ptr(&mt7663s_pm_ops), }; module_sdio_driver(mt7663s_driver); MODULE_AUTHOR("Sean Wang "); MODULE_AUTHOR("Lorenzo Bianconi "); MODULE_DESCRIPTION("MediaTek MT7663S (SDIO) wireless driver"); MODULE_LICENSE("Dual BSD/GPL");