[PATCH v2 02/10] wifi: mt76: connac: add support for dsp firmware download
Lorenzo Bianconi
lorenzo at kernel.org
Mon Jun 5 01:38:25 PDT 2023
> From: Peter Chiu <chui-hao.chiu at mediatek.com>
>
> Add FW_START_WORKING_PDA_DSP for the indication of starting DSP
> firmware download, which is for phy-related control.
> The firmware is transparent to the driver, but it's necessary for the
> firmware download process.
>
> Reviewed-by: Shayne Chen <shayne.chen at mediatek.com>
> Signed-off-by: Peter Chiu <chui-hao.chiu at mediatek.com>
> Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
> ---
> v2:
> - merge two commits:
> - wifi: mt76: connac: add a setting bit for dsp firmware
> - wifi: mt76: mt7996: add dsp firmware download
> - move main code for loading ram to a regular function
> ---
> .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 +
> .../net/wireless/mediatek/mt76/mt7996/mcu.c | 70 +++++++++----------
> .../wireless/mediatek/mt76/mt7996/mt7996.h | 7 ++
> .../net/wireless/mediatek/mt76/mt7996/pci.c | 1 +
> 4 files changed, 43 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
> index ca1ce97a6d2f..4a21c237ea6e 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
> @@ -22,6 +22,7 @@
>
> #define FW_START_OVERRIDE BIT(0)
> #define FW_START_WORKING_PDA_CR4 BIT(2)
> +#define FW_START_WORKING_PDA_DSP BIT(3)
>
> #define PATCH_SEC_NOT_SUPPORT GENMASK(31, 0)
> #define PATCH_SEC_TYPE_MASK GENMASK(15, 0)
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
> index 88e2f9d0e513..28930693a75a 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
> @@ -2155,7 +2155,7 @@ static int mt7996_load_patch(struct mt7996_dev *dev)
> static int
> mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev,
> const struct mt7996_fw_trailer *hdr,
> - const u8 *data, bool is_wa)
> + const u8 *data, enum mt7996_ram_type type)
> {
> int i, offset = 0;
> u32 override = 0, option = 0;
> @@ -2167,8 +2167,10 @@ mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev,
>
> region = (const struct mt7996_fw_region *)((const u8 *)hdr -
> (hdr->n_region - i) * sizeof(*region));
> + /* DSP and WA use same mode */
> mode = mt76_connac_mcu_gen_dl_mode(&dev->mt76,
> - region->feature_set, is_wa);
> + region->feature_set,
> + type != MT7996_RAM_TYPE_WM);
> len = le32_to_cpu(region->len);
> addr = le32_to_cpu(region->addr);
>
> @@ -2195,19 +2197,22 @@ mt7996_mcu_send_ram_firmware(struct mt7996_dev *dev,
> if (override)
> option |= FW_START_OVERRIDE;
>
> - if (is_wa)
> + if (type == MT7996_RAM_TYPE_WA)
> option |= FW_START_WORKING_PDA_CR4;
> + else if (type == MT7996_RAM_TYPE_DSP)
> + option |= FW_START_WORKING_PDA_DSP;
>
> return mt76_connac_mcu_start_firmware(&dev->mt76, override, option);
> }
>
> -static int mt7996_load_ram(struct mt7996_dev *dev)
> +static int __mt7996_load_ram(struct mt7996_dev *dev, const char *fw_type,
> + const char *fw_file, enum mt7996_ram_type ram_type)
> {
> const struct mt7996_fw_trailer *hdr;
> const struct firmware *fw;
> int ret;
>
> - ret = request_firmware(&fw, MT7996_FIRMWARE_WM, dev->mt76.dev);
> + ret = request_firmware(&fw, fw_file, dev->mt76.dev);
> if (ret)
> return ret;
>
> @@ -2217,48 +2222,41 @@ static int mt7996_load_ram(struct mt7996_dev *dev)
> goto out;
> }
>
> - hdr = (const struct mt7996_fw_trailer *)(fw->data + fw->size - sizeof(*hdr));
> -
> - dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
> - hdr->fw_ver, hdr->build_date);
> + hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
> + dev_info(dev->mt76.dev, "%s Firmware Version: %.10s, Build Time: %.15s\n",
> + fw_type, hdr->fw_ver, hdr->build_date);
>
> - ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, false);
> + ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, ram_type);
> if (ret) {
> - dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
> + dev_err(dev->mt76.dev, "Failed to start %s firmware\n", fw_type);
> goto out;
> }
>
> +out:
> release_firmware(fw);
>
> - ret = request_firmware(&fw, MT7996_FIRMWARE_WA, dev->mt76.dev);
> - if (ret)
> - return ret;
> -
> - if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
> - dev_err(dev->mt76.dev, "Invalid firmware\n");
> - ret = -EINVAL;
> - goto out;
> - }
> -
> - hdr = (const struct mt7996_fw_trailer *)(fw->data + fw->size - sizeof(*hdr));
> -
> - dev_info(dev->mt76.dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
> - hdr->fw_ver, hdr->build_date);
> + return ret;
> +}
>
> - ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, true);
> - if (ret) {
> - dev_err(dev->mt76.dev, "Failed to start WA firmware\n");
> - goto out;
> - }
> +static int mt7996_load_ram(struct mt7996_dev *dev)
> +{
> + int ret;
>
> - snprintf(dev->mt76.hw->wiphy->fw_version,
> - sizeof(dev->mt76.hw->wiphy->fw_version),
> - "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
doing so we do not advertise fw version through ethtool as before.
> +#define LOAD_RAM(_type) \
> + do { \
> + ret = __mt7996_load_ram(dev, #_type, \
> + MT7996_FIRMWARE_##_type, \
> + MT7996_RAM_TYPE_##_type); \
> + if (ret) \
> + return ret; \
> + } while (0)
>
> -out:
> - release_firmware(fw);
> + LOAD_RAM(WM);
> + LOAD_RAM(DSP);
> + LOAD_RAM(WA);
can you please run the function directly instead of using macros?
Regards,
Lorenzo
> +#undef LOAD_RAM
>
> - return ret;
> + return 0;
> }
>
> static int
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
> index 4d7dcb95a620..7dfdc7384056 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
> @@ -29,6 +29,7 @@
>
> #define MT7996_FIRMWARE_WA "mediatek/mt7996/mt7996_wa.bin"
> #define MT7996_FIRMWARE_WM "mediatek/mt7996/mt7996_wm.bin"
> +#define MT7996_FIRMWARE_DSP "mediatek/mt7996/mt7996_dsp.bin"
> #define MT7996_ROM_PATCH "mediatek/mt7996/mt7996_rom_patch.bin"
>
> #define MT7996_EEPROM_DEFAULT "mediatek/mt7996/mt7996_eeprom.bin"
> @@ -52,6 +53,12 @@ struct mt7996_sta;
> struct mt7996_dfs_pulse;
> struct mt7996_dfs_pattern;
>
> +enum mt7996_ram_type {
> + MT7996_RAM_TYPE_WM,
> + MT7996_RAM_TYPE_WA,
> + MT7996_RAM_TYPE_DSP,
> +};
> +
> enum mt7996_txq_id {
> MT7996_TXQ_FWDL = 16,
> MT7996_TXQ_MCU_WM,
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/pci.c b/drivers/net/wireless/mediatek/mt76/mt7996/pci.c
> index 64aee3fb5445..c5301050ff8b 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7996/pci.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7996/pci.c
> @@ -219,4 +219,5 @@ MODULE_DEVICE_TABLE(pci, mt7996_pci_device_table);
> MODULE_DEVICE_TABLE(pci, mt7996_hif_device_table);
> MODULE_FIRMWARE(MT7996_FIRMWARE_WA);
> MODULE_FIRMWARE(MT7996_FIRMWARE_WM);
> +MODULE_FIRMWARE(MT7996_FIRMWARE_DSP);
> MODULE_FIRMWARE(MT7996_ROM_PATCH);
> --
> 2.39.2
>
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