diff options
author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-06-03 11:36:44 +0200 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2022-07-11 13:40:01 +0200 |
commit | b9ec27102ac0c67f003c007e961ce811572c0cfa (patch) | |
tree | 32168966cf9f6e470643e535238cc9cc1fea6ed2 /drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | |
parent | c132fc7d83bb9f459ef10d7fe082bc301f63cd3b (diff) |
mt76: connac: move mt76_connac2_load_ram in connac module
Move mt76_connac2_load_ram utility routine in mt76_connac module since
it is shared between mt7921 and mt7915. This is a preliminary patch to
support mt7902e driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index d3da54e6670b..7e21c0dbfd22 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. */ +#include <linux/firmware.h> #include "mt76_connac_mcu.h" int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option) @@ -2808,5 +2809,115 @@ int mt76_connac_mcu_rdd_cmd(struct mt76_dev *dev, int cmd, u8 index, } EXPORT_SYMBOL_GPL(mt76_connac_mcu_rdd_cmd); +static int +mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev, + const struct mt76_connac2_fw_trailer *hdr, + const u8 *data, bool is_wa) +{ + int i, offset = 0, max_len = mt76_is_sdio(dev) ? 2048 : 4096; + u32 override = 0, option = 0; + + for (i = 0; i < hdr->n_region; i++) { + const struct mt76_connac2_fw_region *region; + u32 len, addr, mode; + int err; + + region = (const void *)((const u8 *)hdr - + (hdr->n_region - i) * sizeof(*region)); + mode = mt76_connac_mcu_gen_dl_mode(dev, region->feature_set, + is_wa); + len = le32_to_cpu(region->len); + addr = le32_to_cpu(region->addr); + + if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) + override = addr; + + err = mt76_connac_mcu_init_download(dev, addr, len, mode); + if (err) { + dev_err(dev->dev, "Download request failed\n"); + return err; + } + + err = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER), + data + offset, len, max_len); + if (err) { + dev_err(dev->dev, "Failed to send firmware.\n"); + return err; + } + + offset += len; + } + + if (override) + option |= FW_START_OVERRIDE; + if (is_wa) + option |= FW_START_WORKING_PDA_CR4; + + return mt76_connac_mcu_start_firmware(dev, override, option); +} + +int mt76_connac2_load_ram(struct mt76_dev *dev, const char *fw_wm, + const char *fw_wa) +{ + const struct mt76_connac2_fw_trailer *hdr; + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, fw_wm, dev->dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(dev->dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); + dev_info(dev->dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", + hdr->fw_ver, hdr->build_date); + + ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, false); + if (ret) { + dev_err(dev->dev, "Failed to start WM firmware\n"); + goto out; + } + + release_firmware(fw); + + if (!fw_wa) + return 0; + + ret = request_firmware(&fw, fw_wa, dev->dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + dev_err(dev->dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); + dev_info(dev->dev, "WA Firmware Version: %.10s, Build Time: %.15s\n", + hdr->fw_ver, hdr->build_date); + + ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, true); + if (ret) { + dev_err(dev->dev, "Failed to start WA firmware\n"); + goto out; + } + + snprintf(dev->hw->wiphy->fw_version, + sizeof(dev->hw->wiphy->fw_version), + "%.10s-%.15s", hdr->fw_ver, hdr->build_date); + +out: + release_firmware(fw); + + return ret; +} +EXPORT_SYMBOL_GPL(mt76_connac2_load_ram); + MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>"); MODULE_LICENSE("Dual BSD/GPL"); |