[PATCH 03/12] wifi: mt76: mt7996: add dsp firmware download
Shayne Chen
shayne.chen at mediatek.com
Fri Jun 2 08:20:59 PDT 2023
From: Peter Chiu <chui-hao.chiu at mediatek.com>
Add DSP firmware for phy-related control. The firmware is transparent to
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>
---
.../net/wireless/mediatek/mt76/mt7996/mcu.c | 94 ++++++++-----------
.../wireless/mediatek/mt76/mt7996/mt7996.h | 7 ++
.../net/wireless/mediatek/mt76/mt7996/pci.c | 1 +
3 files changed, 49 insertions(+), 53 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index 88e2f9d0e513..243647dbd8c7 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);
@@ -2195,8 +2197,10 @@ 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);
}
@@ -2207,56 +2211,40 @@ static int mt7996_load_ram(struct mt7996_dev *dev)
const struct firmware *fw;
int ret;
- ret = request_firmware(&fw, MT7996_FIRMWARE_WM, 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, "WM Firmware Version: %.10s, Build Time: %.15s\n",
- hdr->fw_ver, hdr->build_date);
-
- ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, false);
- if (ret) {
- dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
- goto 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);
-
- 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;
- }
-
- snprintf(dev->mt76.hw->wiphy->fw_version,
- sizeof(dev->mt76.hw->wiphy->fw_version),
- "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
-
-out:
- release_firmware(fw);
+#define LOAD_RAM(_type) \
+ do { \
+ ret = request_firmware(&fw, MT7996_FIRMWARE_##_type, dev->mt76.dev);\
+ if (ret) \
+ return ret; \
+ \
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) { \
+ dev_err(dev->mt76.dev, "Invalid firmware\n"); \
+ release_firmware(fw); \
+ return -EINVAL; \
+ } \
+ \
+ hdr = (const struct mt7996_fw_trailer *) \
+ (fw->data + fw->size - sizeof(*hdr)); \
+ \
+ dev_info(dev->mt76.dev, \
+ "%s Firmware Version: %.10s, Build Time: %.15s\n", \
+ #_type, hdr->fw_ver, hdr->build_date); \
+ \
+ ret = mt7996_mcu_send_ram_firmware(dev, hdr, fw->data, \
+ MT7996_RAM_TYPE_##_type); \
+ if (ret) { \
+ dev_err(dev->mt76.dev, "Failed to start %s firmware\n", #_type);\
+ release_firmware(fw); \
+ return ret; \
+ } \
+ \
+ release_firmware(fw); \
+ } while (0)
+
+ LOAD_RAM(WM);
+ LOAD_RAM(DSP);
+ LOAD_RAM(WA);
+#undef LOAD_RAM
return ret;
}
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
More information about the Linux-mediatek
mailing list