mcu.c (fe0195f7563314a88cf08a1e7e528d3c0266fbbe) mcu.c (48fab5bbef4092d925ab3214773ad12e68807223)
1// SPDX-License-Identifier: ISC
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#include <linux/firmware.h>
5#include <linux/fs.h>
6#include "mt7921.h"
7#include "mt7921_trace.h"
8#include "mcu.h"

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645
646 return ret;
647}
648
649static int mt7921_load_patch(struct mt7921_dev *dev)
650{
651 const struct mt7921_patch_hdr *hdr;
652 const struct firmware *fw = NULL;
1// SPDX-License-Identifier: ISC
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#include <linux/firmware.h>
5#include <linux/fs.h>
6#include "mt7921.h"
7#include "mt7921_trace.h"
8#include "mcu.h"

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645
646 return ret;
647}
648
649static int mt7921_load_patch(struct mt7921_dev *dev)
650{
651 const struct mt7921_patch_hdr *hdr;
652 const struct firmware *fw = NULL;
653 int i, ret, sem;
653 int i, ret, sem, max_len;
654
654
655 max_len = mt76_is_sdio(&dev->mt76) ? 2048 : 4096;
656
655 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true);
656 switch (sem) {
657 case PATCH_IS_DL:
658 return 0;
659 case PATCH_NOT_DL_SEM_SUCCESS:
660 break;
661 default:
662 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");

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701 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
702 mode);
703 if (ret) {
704 dev_err(dev->mt76.dev, "Download request failed\n");
705 goto out;
706 }
707
708 ret = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
657 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true);
658 switch (sem) {
659 case PATCH_IS_DL:
660 return 0;
661 case PATCH_NOT_DL_SEM_SUCCESS:
662 break;
663 default:
664 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");

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703 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
704 mode);
705 if (ret) {
706 dev_err(dev->mt76.dev, "Download request failed\n");
707 goto out;
708 }
709
710 ret = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
709 dl, len, 4096);
711 dl, len, max_len);
710 if (ret) {
711 dev_err(dev->mt76.dev, "Failed to send patch\n");
712 goto out;
713 }
714 }
715
716 ret = mt76_connac_mcu_start_patch(&dev->mt76);
717 if (ret)

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748 return ret;
749}
750
751static int
752mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev,
753 const struct mt7921_fw_trailer *hdr,
754 const u8 *data, bool is_wa)
755{
712 if (ret) {
713 dev_err(dev->mt76.dev, "Failed to send patch\n");
714 goto out;
715 }
716 }
717
718 ret = mt76_connac_mcu_start_patch(&dev->mt76);
719 if (ret)

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750 return ret;
751}
752
753static int
754mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev,
755 const struct mt7921_fw_trailer *hdr,
756 const u8 *data, bool is_wa)
757{
756 int i, offset = 0;
758 int i, offset = 0, max_len;
757 u32 override = 0, option = 0;
758
759 u32 override = 0, option = 0;
760
761 max_len = mt76_is_sdio(&dev->mt76) ? 2048 : 4096;
762
759 for (i = 0; i < hdr->n_region; i++) {
760 const struct mt7921_fw_region *region;
761 int err;
762 u32 len, addr, mode;
763
764 region = (const struct mt7921_fw_region *)((const u8 *)hdr -
765 (hdr->n_region - i) * sizeof(*region));
766 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa);

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773 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
774 mode);
775 if (err) {
776 dev_err(dev->mt76.dev, "Download request failed\n");
777 return err;
778 }
779
780 err = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
763 for (i = 0; i < hdr->n_region; i++) {
764 const struct mt7921_fw_region *region;
765 int err;
766 u32 len, addr, mode;
767
768 region = (const struct mt7921_fw_region *)((const u8 *)hdr -
769 (hdr->n_region - i) * sizeof(*region));
770 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa);

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777 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
778 mode);
779 if (err) {
780 dev_err(dev->mt76.dev, "Download request failed\n");
781 return err;
782 }
783
784 err = __mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
781 data + offset, len, 4096);
785 data + offset, len, max_len);
782 if (err) {
783 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
784 return err;
785 }
786
787 offset += len;
788 }
789

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846 return ret;
847}
848
849static int mt7921_load_firmware(struct mt7921_dev *dev)
850{
851 int ret;
852
853 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY);
786 if (err) {
787 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
788 return err;
789 }
790
791 offset += len;
792 }
793

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850 return ret;
851}
852
853static int mt7921_load_firmware(struct mt7921_dev *dev)
854{
855 int ret;
856
857 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY);
854 if (ret) {
858 if (ret && mt76_is_mmio(&dev->mt76)) {
855 dev_dbg(dev->mt76.dev, "Firmware is already download\n");
856 goto fw_loaded;
857 }
858
859 ret = mt7921_load_patch(dev);
860 if (ret)
861 return ret;
862

--- 490 unchanged lines hidden --- 		859 dev_dbg(dev->mt76.dev, "Firmware is already download\n");
860 goto fw_loaded;
861 }
862
863 ret = mt7921_load_patch(dev);
864 if (ret)
865 return ret;
866

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