Linux wireless drivers development
 help / color / mirror / Atom feed
From: Ping-Ke Shih <pkshih@realtek.com>
To: <linux-wireless@vger.kernel.org>
Cc: <kevin_yang@realtek.com>
Subject: [PATCH rtw-next 6/7] wifi: rtw89: debug: show large MRU in txpwr_table dbgfs
Date: Wed, 20 May 2026 20:38:22 +0800	[thread overview]
Message-ID: <20260520123823.1792954-7-pkshih@realtek.com> (raw)
In-Reply-To: <20260520123823.1792954-1-pkshih@realtek.com>

From: Zong-Zhe Yang <kevin_yang@realtek.com>

Read and print the CR settings of large MRU.
For now, only RTL8922D_CID7090 support it.

For example,

[TX power limit_large_mru]
RU484_242 1TX     	-  IDX_0   IDX_1   IDX_2   IDX_3 	|  17,   0,   0,   0,	dBm
RU484_242 2TX     	-  IDX_0   IDX_1   IDX_2   IDX_3 	|  16,   0,   0,   0,	dBm
RU996_484 1TX     	-  IDX_0   IDX_1 	|   0,   0,		dBm
RU996_484 2TX     	-  IDX_0   IDX_1 	|   0,   0,		dBm
RU996_484_242 1TX 	-  IDX_0   IDX_1 	|   0,   0,		dBm
RU996_484_242 2TX 	-  IDX_0   IDX_1 	|   0,   0,		dBm

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/debug.c | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index 8ee800c76cfe..eb9106932187 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -767,6 +767,45 @@ static const struct txpwr_map __txpwr_map_lmt_ru_be = {
 	.addr_to_1ss = 0, /* not support */
 };
 
+static const struct txpwr_ent __txpwr_ent_lmt_ru484_242_be[] = {
+	__GEN_TXPWR_ENT4("RU484_242 1TX     ", "IDX_0 ", "IDX_1 ", "IDX_2 ", "IDX_3 "),
+	__GEN_TXPWR_ENT4("RU484_242 2TX     ", "IDX_0 ", "IDX_1 ", "IDX_2 ", "IDX_3 "),
+};
+
+static const struct txpwr_map __txpwr_map_lmt_ru484_242_be = {
+	.ent = __txpwr_ent_lmt_ru484_242_be,
+	.size = ARRAY_SIZE(__txpwr_ent_lmt_ru484_242_be),
+	.addr_from = R_BE_TXAGC_MAX_1TX_RU484_242_0,
+	.addr_to = R_BE_TXAGC_MAX_1TX_RU484_242_0 + 4,
+	.addr_to_1ss = 0, /* not support */
+};
+
+static const struct txpwr_ent __txpwr_ent_lmt_ru996_484_be[] = {
+	__GEN_TXPWR_ENT2("RU996_484 1TX     ", "IDX_0 ", "IDX_1 "),
+	__GEN_TXPWR_ENT2("RU996_484 2TX     ", "IDX_0 ", "IDX_1 "),
+};
+
+static const struct txpwr_map __txpwr_map_lmt_ru996_484_be = {
+	.ent = __txpwr_ent_lmt_ru996_484_be,
+	.size = ARRAY_SIZE(__txpwr_ent_lmt_ru996_484_be),
+	.addr_from = R_BE_TXAGC_MAX_1TX_RU996_484_0,
+	.addr_to = R_BE_TXAGC_MAX_1TX_RU996_484_0,
+	.addr_to_1ss = 0, /* not support */
+};
+
+static const struct txpwr_ent __txpwr_ent_lmt_ru996_484_242_be[] = {
+	__GEN_TXPWR_ENT2("RU996_484_242 1TX ", "IDX_0 ", "IDX_1 "),
+	__GEN_TXPWR_ENT2("RU996_484_242 2TX ", "IDX_0 ", "IDX_1 "),
+};
+
+static const struct txpwr_map __txpwr_map_lmt_ru996_484_242_be = {
+	.ent = __txpwr_ent_lmt_ru996_484_242_be,
+	.size = ARRAY_SIZE(__txpwr_ent_lmt_ru996_484_242_be),
+	.addr_from = R_BE_TXAGC_MAX_1TX_RU996_484_242_0,
+	.addr_to = R_BE_TXAGC_MAX_1TX_RU996_484_242_0,
+	.addr_to_1ss = 0, /* not support */
+};
+
 static unsigned int
 __print_txpwr_ent(char *buf, size_t bufsz, const struct txpwr_ent *ent,
 		  const s8 *bufp, const unsigned int cur, unsigned int *ate)
@@ -882,6 +921,9 @@ struct dbgfs_txpwr_table {
 	const struct txpwr_map *byr;
 	const struct txpwr_map *lmt;
 	const struct txpwr_map *lmt_ru;
+	const struct txpwr_map *lmt_ru484_242;
+	const struct txpwr_map *lmt_ru996_484;
+	const struct txpwr_map *lmt_ru996_484_242;
 };
 
 static const struct dbgfs_txpwr_table dbgfs_txpwr_table_ax = {
@@ -894,6 +936,9 @@ static const struct dbgfs_txpwr_table dbgfs_txpwr_table_be = {
 	.byr = &__txpwr_map_byr_be,
 	.lmt = &__txpwr_map_lmt_be,
 	.lmt_ru = &__txpwr_map_lmt_ru_be,
+	.lmt_ru484_242 = &__txpwr_map_lmt_ru484_242_be,
+	.lmt_ru996_484 = &__txpwr_map_lmt_ru996_484_be,
+	.lmt_ru996_484_242 = &__txpwr_map_lmt_ru996_484_242_be,
 };
 
 static const struct dbgfs_txpwr_table *dbgfs_txpwr_tables[RTW89_CHIP_GEN_NUM] = {
@@ -934,6 +979,8 @@ ssize_t rtw89_debug_priv_txpwr_table_get(struct rtw89_dev *rtwdev,
 					 char *buf, size_t bufsz)
 {
 	enum rtw89_chip_gen chip_gen = rtwdev->chip->chip_gen;
+	const struct rtw89_chip_info *chip = rtwdev->chip;
+	struct rtw89_hal *hal = &rtwdev->hal;
 	struct rtw89_sar_parm sar_parm = {};
 	const struct dbgfs_txpwr_table *tbl;
 	const struct rtw89_chan *chan;
@@ -979,6 +1026,35 @@ ssize_t rtw89_debug_priv_txpwr_table_get(struct rtw89_dev *rtwdev,
 		return n;
 	p += n;
 
+	switch (chip_gen) {
+	case RTW89_CHIP_AX:
+		goto out;
+	case RTW89_CHIP_BE:
+		if (!(chip->chip_id == RTL8922D && hal->cid == RTL8922D_CID7090))
+			goto out;
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	p += scnprintf(p, end - p, "\n[TX power limit_large_mru]\n");
+
+	n = __print_txpwr_map(rtwdev, p, end - p, tbl->lmt_ru484_242);
+	if (n < 0)
+		return n;
+	p += n;
+
+	n = __print_txpwr_map(rtwdev, p, end - p, tbl->lmt_ru996_484);
+	if (n < 0)
+		return n;
+	p += n;
+
+	n = __print_txpwr_map(rtwdev, p, end - p, tbl->lmt_ru996_484_242);
+	if (n < 0)
+		return n;
+	p += n;
+
+out:
 	return p - buf;
 }
 
-- 
2.25.1


  parent reply	other threads:[~2026-05-20 12:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-20 12:38 [PATCH rtw-next 0/7] wifi: rtw89: update firmware elements formats of power track, compensation and MRU Ping-Ke Shih
2026-05-20 12:38 ` [PATCH rtw-next 1/7] wifi: rtw89: fw: load TX power track element according to AID Ping-Ke Shih
2026-05-27  8:42   ` Ping-Ke Shih
2026-05-20 12:38 ` [PATCH rtw-next 2/7] wifi: rtw89: 8922d: refactor digital power compensation to support new format Ping-Ke Shih
2026-05-20 12:38 ` [PATCH rtw-next 3/7] wifi: rtw89: 8922d: support new digital power compensation format Ping-Ke Shih
2026-05-20 12:38 ` [PATCH rtw-next 4/7] wifi: rtw89: fw: load TX compensation element by RFE type Ping-Ke Shih
2026-05-20 12:38 ` [PATCH rtw-next 5/7] wifi: rtw89: Wi-Fi 7 configure TX power limit for large MRU Ping-Ke Shih
2026-05-20 12:38 ` Ping-Ke Shih [this message]
2026-05-20 12:38 ` [PATCH rtw-next 7/7] wifi: rtw89: 8922d: configure TX shape settings Ping-Ke Shih

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260520123823.1792954-7-pkshih@realtek.com \
    --to=pkshih@realtek.com \
    --cc=kevin_yang@realtek.com \
    --cc=linux-wireless@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox