Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Lorenzo Bianconi | 1272 | 99.38% | 8 | 80.00% |
Davide Caratti | 7 | 0.55% | 1 | 10.00% |
Colin Ian King | 1 | 0.08% | 1 | 10.00% |
Total | 1280 | 10 |
/* * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/firmware.h> #include "mt76x2u.h" #include "eeprom.h" #include "../mt76x02_usb.h" #define MT_CMD_HDR_LEN 4 #define MCU_FW_URB_MAX_PAYLOAD 0x3900 #define MCU_ROM_PATCH_MAX_PAYLOAD 2048 #define MT76U_MCU_ILM_OFFSET 0x80000 #define MT76U_MCU_DLM_OFFSET 0x110000 #define MT76U_MCU_ROM_PATCH_OFFSET 0x90000 static void mt76x2u_mcu_load_ivb(struct mt76x02_dev *dev) { mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, USB_DIR_OUT | USB_TYPE_VENDOR, 0x12, 0, NULL, 0); } static void mt76x2u_mcu_enable_patch(struct mt76x02_dev *dev) { struct mt76_usb *usb = &dev->mt76.usb; static const u8 data[] = { 0x6f, 0xfc, 0x08, 0x01, 0x20, 0x04, 0x00, 0x00, 0x00, 0x09, 0x00, }; memcpy(usb->data, data, sizeof(data)); mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, USB_DIR_OUT | USB_TYPE_CLASS, 0x12, 0, usb->data, sizeof(data)); } static void mt76x2u_mcu_reset_wmt(struct mt76x02_dev *dev) { struct mt76_usb *usb = &dev->mt76.usb; u8 data[] = { 0x6f, 0xfc, 0x05, 0x01, 0x07, 0x01, 0x00, 0x04 }; memcpy(usb->data, data, sizeof(data)); mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, USB_DIR_OUT | USB_TYPE_CLASS, 0x12, 0, usb->data, sizeof(data)); } static int mt76x2u_mcu_load_rom_patch(struct mt76x02_dev *dev) { bool rom_protect = !is_mt7612(dev); struct mt76x02_patch_header *hdr; u32 val, patch_mask, patch_reg; const struct firmware *fw; int err; if (rom_protect && !mt76_poll_msec(dev, MT_MCU_SEMAPHORE_03, 1, 1, 600)) { dev_err(dev->mt76.dev, "could not get hardware semaphore for ROM PATCH\n"); return -ETIMEDOUT; } if (mt76xx_rev(dev) >= MT76XX_REV_E3) { patch_mask = BIT(0); patch_reg = MT_MCU_CLOCK_CTL; } else { patch_mask = BIT(1); patch_reg = MT_MCU_COM_REG0; } if (rom_protect && (mt76_rr(dev, patch_reg) & patch_mask)) { dev_info(dev->mt76.dev, "ROM patch already applied\n"); return 0; } err = request_firmware(&fw, MT7662_ROM_PATCH, dev->mt76.dev); if (err < 0) return err; if (!fw || !fw->data || fw->size <= sizeof(*hdr)) { dev_err(dev->mt76.dev, "failed to load firmware\n"); err = -EIO; goto out; } hdr = (struct mt76x02_patch_header *)fw->data; dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time); /* enable USB_DMA_CFG */ val = MT_USB_DMA_CFG_RX_BULK_EN | MT_USB_DMA_CFG_TX_BULK_EN | FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20); mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val); /* vendor reset */ mt76x02u_mcu_fw_reset(dev); usleep_range(5000, 10000); /* enable FCE to send in-band cmd */ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); /* FCE tx_fs_base_ptr */ mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); /* FCE tx_fs_max_cnt */ mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1); /* FCE pdma enable */ mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); /* FCE skip_fs_en */ mt76_wr(dev, MT_FCE_SKIP_FS, 0x3); err = mt76x02u_mcu_fw_send_data(dev, fw->data + sizeof(*hdr), fw->size - sizeof(*hdr), MCU_ROM_PATCH_MAX_PAYLOAD, MT76U_MCU_ROM_PATCH_OFFSET); if (err < 0) { err = -EIO; goto out; } mt76x2u_mcu_enable_patch(dev); mt76x2u_mcu_reset_wmt(dev); mdelay(20); if (!mt76_poll_msec(dev, patch_reg, patch_mask, patch_mask, 100)) { dev_err(dev->mt76.dev, "failed to load ROM patch\n"); err = -ETIMEDOUT; } out: if (rom_protect) mt76_wr(dev, MT_MCU_SEMAPHORE_03, 1); release_firmware(fw); return err; } static int mt76x2u_mcu_load_firmware(struct mt76x02_dev *dev) { u32 val, dlm_offset = MT76U_MCU_DLM_OFFSET; const struct mt76x02_fw_header *hdr; int err, len, ilm_len, dlm_len; const struct firmware *fw; err = request_firmware(&fw, MT7662_FIRMWARE, dev->mt76.dev); if (err < 0) return err; if (!fw || !fw->data || fw->size < sizeof(*hdr)) { err = -EINVAL; goto out; } hdr = (const struct mt76x02_fw_header *)fw->data; ilm_len = le32_to_cpu(hdr->ilm_len); dlm_len = le32_to_cpu(hdr->dlm_len); len = sizeof(*hdr) + ilm_len + dlm_len; if (fw->size != len) { err = -EINVAL; goto out; } val = le16_to_cpu(hdr->fw_ver); dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n", (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf); val = le16_to_cpu(hdr->build_ver); dev_info(dev->mt76.dev, "Build: %x\n", val); dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time); /* vendor reset */ mt76x02u_mcu_fw_reset(dev); usleep_range(5000, 10000); /* enable USB_DMA_CFG */ val = MT_USB_DMA_CFG_RX_BULK_EN | MT_USB_DMA_CFG_TX_BULK_EN | FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20); mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val); /* enable FCE to send in-band cmd */ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); /* FCE tx_fs_base_ptr */ mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); /* FCE tx_fs_max_cnt */ mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1); /* FCE pdma enable */ mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); /* FCE skip_fs_en */ mt76_wr(dev, MT_FCE_SKIP_FS, 0x3); /* load ILM */ err = mt76x02u_mcu_fw_send_data(dev, fw->data + sizeof(*hdr), ilm_len, MCU_FW_URB_MAX_PAYLOAD, MT76U_MCU_ILM_OFFSET); if (err < 0) { err = -EIO; goto out; } /* load DLM */ if (mt76xx_rev(dev) >= MT76XX_REV_E3) dlm_offset += 0x800; err = mt76x02u_mcu_fw_send_data(dev, fw->data + sizeof(*hdr) + ilm_len, dlm_len, MCU_FW_URB_MAX_PAYLOAD, dlm_offset); if (err < 0) { err = -EIO; goto out; } mt76x2u_mcu_load_ivb(dev); if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 100)) { dev_err(dev->mt76.dev, "firmware failed to start\n"); err = -ETIMEDOUT; goto out; } mt76_set(dev, MT_MCU_COM_REG0, BIT(1)); /* enable FCE to send in-band cmd */ mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); mt76x02_set_ethtool_fwver(dev, hdr); dev_dbg(dev->mt76.dev, "firmware running\n"); out: release_firmware(fw); return err; } int mt76x2u_mcu_fw_init(struct mt76x02_dev *dev) { int err; err = mt76x2u_mcu_load_rom_patch(dev); if (err < 0) return err; return mt76x2u_mcu_load_firmware(dev); } int mt76x2u_mcu_init(struct mt76x02_dev *dev) { int err; err = mt76x02_mcu_function_select(dev, Q_SELECT, 1); if (err < 0) return err; return mt76x02_mcu_set_radio_state(dev, true); }
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