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wlan-ap/feeds/mediatek-sdk/mt76/patches/1016-wifi-mt76-mt7915-implement-bin-file-mode.patch
John Crispin e56a53e541 mediatek: update to mp2.3 SDK 
Signed-off-by: John Crispin <john@phrozen.org>
2024-04-29 11:19:26 +02:00

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From 9291fdb4f324728e5f4e233a08282f828cc04b80 Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Thu, 7 Jul 2022 11:09:59 +0800
Subject: [PATCH 1016/1053] wifi: mt76: mt7915: implement bin file mode
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
eeprom.c | 25 ++++++++++++++++++
mt76.h | 4 +++
mt7915/eeprom.c | 63 +++++++++++++++++++++++++++++++++++++++++---
mt7915/eeprom.h | 7 +++++
mt7915/mt7915.h | 3 +++
mt7915/mtk_debugfs.c | 44 +++++++++++++++++++++++++++++++
testmode.h | 2 +-
7 files changed, 144 insertions(+), 4 deletions(-)
diff --git a/eeprom.c b/eeprom.c
index 3625b16..9d029c0 100644
--- a/eeprom.c
+++ b/eeprom.c
@@ -161,6 +161,31 @@ static int mt76_get_of_eeprom(struct mt76_dev *dev, void *eep, int len)
return mt76_get_of_data_from_nvmem(dev, eep, "eeprom", len);
}
+bool mt76_check_bin_file_mode(struct mt76_dev *dev)
+{
+ struct device_node *np = dev->dev->of_node;
+ const char *bin_file_name = NULL;
+
+ if (!np)
+ return false;
+
+ of_property_read_string(np, "bin_file_name", &bin_file_name);
+
+ dev->bin_file_name = bin_file_name;
+ if (dev->bin_file_name) {
+ dev_info(dev->dev, "Using bin file %s\n", dev->bin_file_name);
+#ifdef CONFIG_NL80211_TESTMODE
+ dev->test_mtd.name = devm_kstrdup(dev->dev, bin_file_name, GFP_KERNEL);
+ dev->test_mtd.offset = -1;
+#endif
+ }
+
+ of_node_put(np);
+
+ return dev->bin_file_name ? true : false;
+}
+EXPORT_SYMBOL_GPL(mt76_check_bin_file_mode);
+
void
mt76_eeprom_override(struct mt76_phy *phy)
{
diff --git a/mt76.h b/mt76.h
index 8025e04..48e98a3 100644
--- a/mt76.h
+++ b/mt76.h
@@ -983,6 +983,9 @@ struct mt76_dev {
struct mt76_usb usb;
struct mt76_sdio sdio;
};
+
+ /* for mtk internal */
+ const char *bin_file_name;
};
/* per-phy stats. */
@@ -1246,6 +1249,7 @@ void mt76_eeprom_override(struct mt76_phy *phy);
int mt76_get_of_data_from_mtd(struct mt76_dev *dev, void *eep, int offset, int len);
int mt76_get_of_data_from_nvmem(struct mt76_dev *dev, void *eep,
const char *cell_name, int len);
+bool mt76_check_bin_file_mode(struct mt76_dev *dev);
struct mt76_queue *
mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc,
diff --git a/mt7915/eeprom.c b/mt7915/eeprom.c
index f4876fe..c8b1c18 100644
--- a/mt7915/eeprom.c
+++ b/mt7915/eeprom.c
@@ -5,6 +5,30 @@
#include "mt7915.h"
#include "eeprom.h"
+static int
+mt7915_eeprom_load_precal_binfile(struct mt7915_dev *dev, u32 offs, u32 size)
+{
+ const struct firmware *fw = NULL;
+ int ret;
+
+ ret = request_firmware(&fw, dev->mt76.bin_file_name, dev->mt76.dev);
+ if (ret)
+ return ret;
+
+ if (!fw || !fw->data) {
+ dev_err(dev->mt76.dev, "Invalid bin (bin file mode), load precal fail\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ memcpy(dev->cal, fw->data + offs, size);
+
+out:
+ release_firmware(fw);
+
+ return ret;
+}
+
static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
{
struct mt76_dev *mdev = &dev->mt76;
@@ -24,6 +48,9 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
offs = is_mt7915(&dev->mt76) ? MT_EE_PRECAL : MT_EE_PRECAL_V2;
+ if (dev->bin_file_mode)
+ return mt7915_eeprom_load_precal_binfile(dev, offs, size);
+
ret = mt76_get_of_data_from_mtd(mdev, dev->cal, offs, size);
if (!ret)
return ret;
@@ -59,8 +86,11 @@ static int mt7915_check_eeprom(struct mt7915_dev *dev)
}
}
-static char *mt7915_eeprom_name(struct mt7915_dev *dev)
+const char *mt7915_eeprom_name(struct mt7915_dev *dev)
{
+ if (dev->bin_file_mode)
+ return dev->mt76.bin_file_name;
+
switch (mt76_chip(&dev->mt76)) {
case 0x7915:
return dev->dbdc_support ?
@@ -101,7 +131,10 @@ mt7915_eeprom_load_default(struct mt7915_dev *dev)
return ret;
if (!fw || !fw->data) {
- dev_err(dev->mt76.dev, "Invalid default bin\n");
+ if (dev->bin_file_mode)
+ dev_err(dev->mt76.dev, "Invalid bin (bin file mode)\n");
+ else
+ dev_err(dev->mt76.dev, "Invalid default bin\n");
ret = -EINVAL;
goto out;
}
@@ -126,6 +159,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
if (ret) {
dev->flash_mode = true;
+ dev->eeprom_mode = FLASH_MODE;
} else {
u8 free_block_num;
u32 block_num, i;
@@ -146,6 +180,8 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
if (ret < 0)
return ret;
}
+
+ dev->eeprom_mode = EFUSE_MODE;
}
return mt7915_check_eeprom(dev);
@@ -251,12 +287,33 @@ int mt7915_eeprom_init(struct mt7915_dev *dev)
{
int ret;
- ret = mt7915_eeprom_load(dev);
+ dev->bin_file_mode = mt76_check_bin_file_mode(&dev->mt76);
+ if (dev->bin_file_mode) {
+ dev->mt76.eeprom.size = mt7915_eeprom_size(dev);
+ dev->mt76.eeprom.data = devm_kzalloc(dev->mt76.dev, dev->mt76.eeprom.size,
+ GFP_KERNEL);
+ if (!dev->mt76.eeprom.data)
+ return -ENOMEM;
+ ret = mt7915_eeprom_load_default(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7915_check_eeprom(dev);
+ if (ret)
+ return ret;
+ dev->eeprom_mode = BIN_FILE_MODE;
+ } else {
+ ret = mt7915_eeprom_load(dev);
+ }
+
if (ret < 0) {
if (ret != -EINVAL)
return ret;
dev_warn(dev->mt76.dev, "eeprom load fail, use default bin\n");
+ dev->bin_file_mode = false;
+ dev->eeprom_mode = DEFAULT_BIN_MODE;
+
ret = mt7915_eeprom_load_default(dev);
if (ret)
return ret;
diff --git a/mt7915/eeprom.h b/mt7915/eeprom.h
index 509fb43..99101f9 100644
--- a/mt7915/eeprom.h
+++ b/mt7915/eeprom.h
@@ -109,6 +109,13 @@ enum mt7915_sku_rate_group {
MAX_SKU_RATE_GROUP_NUM,
};
+enum mt7915_eeprom_mode {
+ DEFAULT_BIN_MODE,
+ EFUSE_MODE,
+ FLASH_MODE,
+ BIN_FILE_MODE,
+};
+
static inline int
mt7915_get_channel_group_5g(int channel, bool is_7976)
{
diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
index 000751b..a06a46e 100644
--- a/mt7915/mt7915.h
+++ b/mt7915/mt7915.h
@@ -397,6 +397,8 @@ struct mt7915_dev {
bool dbdc_support;
bool flash_mode;
+ bool bin_file_mode;
+ u8 eeprom_mode;
bool muru_debug;
bool ibf;
@@ -783,6 +785,7 @@ void mt7915_dump_tmac_info(u8 *tmac_info);
int mt7915_mcu_set_txpower_level(struct mt7915_phy *phy, u8 drop_level);
void mt7915_packet_log_to_host(struct mt7915_dev *dev, const void *data, int len, int type, int des_len);
int mt7915_mcu_set_amsdu_algo(struct mt7915_dev *dev, u16 wcid, u8 enable);
+const char *mt7915_eeprom_name(struct mt7915_dev *dev);
#define PKT_BIN_DEBUG_MAGIC 0xc8763123
enum {
diff --git a/mt7915/mtk_debugfs.c b/mt7915/mtk_debugfs.c
index 30c5f68..02e0db3 100644
--- a/mt7915/mtk_debugfs.c
+++ b/mt7915/mtk_debugfs.c
@@ -3,6 +3,7 @@
#include "mt7915_debug.h"
#include "mac.h"
#include "mcu.h"
+#include "eeprom.h"
#ifdef MTK_DEBUG
#define LWTBL_IDX2BASE_ID GENMASK(14, 8)
@@ -3728,6 +3729,47 @@ static int mt7915_fw_wm_info_read(struct seq_file *s, void *data)
return 0;
}
+static int mt7915_show_eeprom_mode(struct seq_file *s, void *data)
+{
+ struct mt7915_dev *dev = dev_get_drvdata(s->private);
+ struct mt76_dev *mdev = &dev->mt76;
+ u8 free_block_num = 0;
+#ifdef CONFIG_NL80211_TESTMODE
+ const char *mtd_name = mdev->test_mtd.name;
+ u32 mtd_offset = mdev->test_mtd.offset;
+#else
+ const char *mtd_name = NULL;
+ u32 mtd_offset;
+#endif
+
+ seq_printf(s, "Current eeprom mode:\n");
+
+ switch (dev->eeprom_mode) {
+ case DEFAULT_BIN_MODE:
+ seq_printf(s, " default bin mode\n filename = %s\n", mt7915_eeprom_name(dev));
+ break;
+ case EFUSE_MODE:
+ seq_printf(s, " efuse mode\n");
+ mt7915_mcu_get_eeprom_free_block(dev, &free_block_num);
+ seq_printf(s, " free block number = %d\n", free_block_num);
+ break;
+ case FLASH_MODE:
+ if (mtd_name)
+ seq_printf(s, " flash mode\n mtd name = %s\n flash offset = 0x%x\n",
+ mtd_name, mtd_offset);
+ else
+ seq_printf(s, " flash mode\n");
+ break;
+ case BIN_FILE_MODE:
+ seq_printf(s, " bin file mode\n filename = %s\n", mt7915_eeprom_name(dev));
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
int mt7915_mtk_init_debugfs(struct mt7915_phy *phy, struct dentry *dir)
{
struct mt7915_dev *dev = phy->dev;
@@ -3814,6 +3856,8 @@ int mt7915_mtk_init_debugfs(struct mt7915_phy *phy, struct dentry *dir)
debugfs_create_u8("sku_disable", 0600, dir, &dev->dbg.sku_disable);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "eeprom_mode", dir,
+ mt7915_show_eeprom_mode);
return 0;
}
#endif
diff --git a/testmode.h b/testmode.h
index 20fab3e..91d1e86 100644
--- a/testmode.h
+++ b/testmode.h
@@ -17,7 +17,7 @@
* @MT76_TM_ATTR_RESET: reset parameters to default (flag)
* @MT76_TM_ATTR_STATE: test state (u32), see &enum mt76_testmode_state
*
- * @MT76_TM_ATTR_MTD_PART: mtd partition used for eeprom data (string)
+ * @MT76_TM_ATTR_MTD_PART: mtd partition or binfile used for eeprom data (string)
* @MT76_TM_ATTR_MTD_OFFSET: offset of eeprom data within the partition (u32)
* @MT76_TM_ATTR_BAND_IDX: band idx of the chip (u8)
*
--
2.18.0
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