mirror of
https://github.com/outbackdingo/mt76.git
synced 2026-10-24 13:26:48 +00:00
Lorenzo BianconiandFelix Fietkau
35e88c00d7
Add pci load firmware routine. Move some shared mcu definitions in mt76x02_mcu.h Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Stanislaw Gruszka <[email protected]> Signed-off-by: Felix Fietkau <[email protected]>
363 lines
9.2 KiB
C
363 lines
9.2 KiB
C
/*
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* Copyright (C) 2015 Jakub Kicinski <[email protected]>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/firmware.h>
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#include <linux/usb.h>
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#include "mt76x0.h"
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#include "mcu.h"
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#include "trace.h"
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#include "../mt76x02_util.h"
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#include "../mt76x02_usb.h"
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#define MT7610U_FIRMWARE "mediatek/mt7610u.bin"
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static struct usb_device_id mt76x0_device_table[] = {
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{ USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */
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{ USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */
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{ USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */
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{ USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */
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{ USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */
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{ USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */
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{ USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */
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{ USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */
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{ USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */
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{ USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */
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{ USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */
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{ USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */
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{ USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */
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{ USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */
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{ USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */
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{ USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */
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{ USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */
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{ USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */
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{ USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */
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{ USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */
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{ USB_DEVICE(0x2357, 0x0105) }, /* TP-LINK Archer T1U */
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{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */
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{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */
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{ 0, }
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};
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#define MCU_FW_URB_MAX_PAYLOAD 0x38f8
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#define MCU_FW_URB_SIZE (MCU_FW_URB_MAX_PAYLOAD + 12)
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static int
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mt76x0u_upload_firmware(struct mt76x0_dev *dev,
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const struct mt76x02_fw_header *hdr)
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{
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u8 *fw_payload = (u8 *)(hdr + 1);
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u32 ilm_len, dlm_len;
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void *ivb;
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int err;
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ivb = kmemdup(fw_payload, MT_MCU_IVB_SIZE, GFP_KERNEL);
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if (!ivb)
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return -ENOMEM;
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ilm_len = le32_to_cpu(hdr->ilm_len) - MT_MCU_IVB_SIZE;
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dev_dbg(dev->mt76.dev, "loading FW - ILM %u + IVB %u\n",
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ilm_len, MT_MCU_IVB_SIZE);
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err = mt76x02u_mcu_fw_send_data(&dev->mt76,
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fw_payload + MT_MCU_IVB_SIZE,
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ilm_len, MCU_FW_URB_MAX_PAYLOAD,
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MT_MCU_IVB_SIZE);
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if (err)
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goto out;
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dlm_len = le32_to_cpu(hdr->dlm_len);
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dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len);
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err = mt76x02u_mcu_fw_send_data(&dev->mt76,
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fw_payload + le32_to_cpu(hdr->ilm_len),
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dlm_len, MCU_FW_URB_MAX_PAYLOAD,
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MT_MCU_DLM_OFFSET);
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if (err)
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goto out;
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err = mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
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USB_DIR_OUT | USB_TYPE_VENDOR,
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0x12, 0, ivb, MT_MCU_IVB_SIZE);
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if (err < 0)
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goto out;
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if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) {
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dev_err(dev->mt76.dev, "Firmware failed to start\n");
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err = -ETIMEDOUT;
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goto out;
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}
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dev_dbg(dev->mt76.dev, "Firmware running!\n");
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out:
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kfree(ivb);
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return err;
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}
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static int mt76x0u_load_firmware(struct mt76x0_dev *dev)
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{
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const struct firmware *fw;
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const struct mt76x02_fw_header *hdr;
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int len, ret;
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u32 val;
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mt76_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN |
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MT_USB_DMA_CFG_TX_BULK_EN));
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if (mt76x0_firmware_running(dev))
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return 0;
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ret = request_firmware(&fw, MT7610U_FIRMWARE, dev->mt76.dev);
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if (ret)
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return ret;
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if (!fw || !fw->data || fw->size < sizeof(*hdr))
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goto err_inv_fw;
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hdr = (const struct mt76x02_fw_header *)fw->data;
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if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE)
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goto err_inv_fw;
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len = sizeof(*hdr);
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len += le32_to_cpu(hdr->ilm_len);
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len += le32_to_cpu(hdr->dlm_len);
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if (fw->size != len)
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goto err_inv_fw;
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val = le16_to_cpu(hdr->fw_ver);
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dev_dbg(dev->mt76.dev,
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"Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n",
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(val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf,
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le16_to_cpu(hdr->build_ver), hdr->build_time);
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len = le32_to_cpu(hdr->ilm_len);
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mt76_wr(dev, 0x1004, 0x2c);
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mt76_set(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN |
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MT_USB_DMA_CFG_TX_BULK_EN) |
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FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20));
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mt76x02u_mcu_fw_reset(&dev->mt76);
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msleep(5);
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/*
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mt76x0_rmw(dev, MT_PBF_CFG, 0, (MT_PBF_CFG_TX0Q_EN |
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MT_PBF_CFG_TX1Q_EN |
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MT_PBF_CFG_TX2Q_EN |
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MT_PBF_CFG_TX3Q_EN));
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*/
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mt76_wr(dev, MT_FCE_PSE_CTRL, 1);
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/* FCE tx_fs_base_ptr */
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mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230);
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/* FCE tx_fs_max_cnt */
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mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1);
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/* FCE pdma enable */
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mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44);
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/* FCE skip_fs_en */
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mt76_wr(dev, MT_FCE_SKIP_FS, 3);
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val = mt76_rr(dev, MT_USB_DMA_CFG);
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val |= MT_USB_DMA_CFG_UDMA_TX_WL_DROP;
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mt76_wr(dev, MT_USB_DMA_CFG, val);
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val &= ~MT_USB_DMA_CFG_UDMA_TX_WL_DROP;
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mt76_wr(dev, MT_USB_DMA_CFG, val);
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ret = mt76x0u_upload_firmware(dev, hdr);
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release_firmware(fw);
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mt76_wr(dev, MT_FCE_PSE_CTRL, 1);
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return ret;
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err_inv_fw:
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dev_err(dev->mt76.dev, "Invalid firmware image\n");
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release_firmware(fw);
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return -ENOENT;
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}
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static int mt76x0u_mcu_init(struct mt76x0_dev *dev)
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{
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int ret;
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ret = mt76x0u_load_firmware(dev);
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if (ret < 0)
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return ret;
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set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
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return 0;
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}
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static int mt76x0u_probe(struct usb_interface *usb_intf,
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const struct usb_device_id *id)
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{
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static const struct mt76_driver_ops drv_ops = {
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.tx_prepare_skb = mt76x0_tx_prepare_skb,
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.tx_complete_skb = mt76x02_tx_complete_skb,
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.tx_status_data = mt76x02_tx_status_data,
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.rx_skb = mt76x0_queue_rx_skb,
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};
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struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
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struct mt76x0_dev *dev;
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u32 asic_rev, mac_rev;
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int ret;
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dev = mt76x0_alloc_device(&usb_intf->dev, &drv_ops);
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if (!dev)
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return -ENOMEM;
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usb_dev = usb_get_dev(usb_dev);
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usb_reset_device(usb_dev);
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usb_set_intfdata(usb_intf, dev);
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mt76x02u_init_mcu(&dev->mt76);
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ret = mt76u_init(&dev->mt76, usb_intf);
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if (ret)
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goto err;
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/* Disable the HW, otherwise MCU fail to initalize on hot reboot */
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mt76x0_chip_onoff(dev, false, false);
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if (!mt76x02_wait_for_mac(&dev->mt76)) {
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ret = -ETIMEDOUT;
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goto err;
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}
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asic_rev = mt76_rr(dev, MT_ASIC_VERSION);
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mac_rev = mt76_rr(dev, MT_MAC_CSR0);
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dev_info(dev->mt76.dev, "ASIC revision: %08x MAC revision: %08x\n",
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asic_rev, mac_rev);
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/* Note: vendor driver skips this check for MT76X0U */
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if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
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dev_warn(dev->mt76.dev, "Warning: eFUSE not present\n");
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ret = mt76u_mcu_init_rx(&dev->mt76);
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if (ret < 0)
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goto err;
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ret = mt76u_alloc_queues(&dev->mt76);
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if (ret < 0)
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goto err;
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mt76x0_chip_onoff(dev, true, true);
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if (!mt76x02_wait_for_mac(&dev->mt76))
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return -ETIMEDOUT;
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ret = mt76x0u_mcu_init(dev);
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if (ret)
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goto err_hw;
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ret = mt76x0_register_device(dev);
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if (ret)
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goto err_hw;
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set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
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return 0;
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err_hw:
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mt76x0_cleanup(dev);
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err:
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usb_set_intfdata(usb_intf, NULL);
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usb_put_dev(interface_to_usbdev(usb_intf));
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ieee80211_free_hw(dev->mt76.hw);
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return ret;
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}
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static void mt76x0_disconnect(struct usb_interface *usb_intf)
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{
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struct mt76x0_dev *dev = usb_get_intfdata(usb_intf);
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bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
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if (!initalized)
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return;
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ieee80211_unregister_hw(dev->mt76.hw);
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mt76x0_cleanup(dev);
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usb_set_intfdata(usb_intf, NULL);
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usb_put_dev(interface_to_usbdev(usb_intf));
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ieee80211_free_hw(dev->mt76.hw);
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}
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static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
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pm_message_t state)
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{
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struct mt76x0_dev *dev = usb_get_intfdata(usb_intf);
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struct mt76_usb *usb = &dev->mt76.usb;
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mt76u_stop_queues(&dev->mt76);
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mt76x0_mac_stop(dev);
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usb_kill_urb(usb->mcu.res.urb);
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return 0;
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}
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static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
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{
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struct mt76x0_dev *dev = usb_get_intfdata(usb_intf);
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struct mt76_usb *usb = &dev->mt76.usb;
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int ret;
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reinit_completion(&usb->mcu.cmpl);
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ret = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
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MT_EP_IN_CMD_RESP,
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&usb->mcu.res, GFP_KERNEL,
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mt76u_mcu_complete_urb,
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&usb->mcu.cmpl);
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if (ret < 0)
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goto err;
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ret = mt76u_submit_rx_buffers(&dev->mt76);
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if (ret < 0)
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goto err;
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tasklet_enable(&usb->rx_tasklet);
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tasklet_enable(&usb->tx_tasklet);
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ret = mt76x0_init_hardware(dev);
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if (ret)
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goto err;
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return 0;
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err:
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mt76x0_cleanup(dev);
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return ret;
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}
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MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
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MODULE_FIRMWARE(MT7610U_FIRMWARE);
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MODULE_LICENSE("GPL");
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static struct usb_driver mt76x0_driver = {
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.name = KBUILD_MODNAME,
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.id_table = mt76x0_device_table,
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.probe = mt76x0u_probe,
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.disconnect = mt76x0_disconnect,
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.suspend = mt76x0_suspend,
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.resume = mt76x0_resume,
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.reset_resume = mt76x0_resume,
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.soft_unbind = 1,
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.disable_hub_initiated_lpm = 1,
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};
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module_usb_driver(mt76x0_driver);
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