From cf4ce59b3b70238352c7f1729f0f7223214828ad Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:46:19 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux add concurrent mode

---
 kernel/drivers/net/dsa/mv88e6xxx/global1.c |  213 +++++++++++++++++++++++++++-------------------------
 1 files changed, 111 insertions(+), 102 deletions(-)

diff --git a/kernel/drivers/net/dsa/mv88e6xxx/global1.c b/kernel/drivers/net/dsa/mv88e6xxx/global1.c
index 8298d67..ff43d9c 100644
--- a/kernel/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/kernel/drivers/net/dsa/mv88e6xxx/global1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Marvell 88E6xxx Switch Global (1) Registers support
  *
@@ -5,11 +6,6 @@
  *
  * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
  *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #include <linux/bitfield.h>
@@ -31,100 +27,52 @@
 	return mv88e6xxx_write(chip, addr, reg, val);
 }
 
-int mv88e6xxx_g1_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask)
+int mv88e6xxx_g1_wait_bit(struct mv88e6xxx_chip *chip, int reg, int
+			  bit, int val)
 {
-	return mv88e6xxx_wait(chip, chip->info->global1_addr, reg, mask);
+	return mv88e6xxx_wait_bit(chip, chip->info->global1_addr, reg,
+				  bit, val);
+}
+
+int mv88e6xxx_g1_wait_mask(struct mv88e6xxx_chip *chip, int reg,
+			   u16 mask, u16 val)
+{
+	return mv88e6xxx_wait_mask(chip, chip->info->global1_addr, reg,
+				   mask, val);
 }
 
 /* Offset 0x00: Switch Global Status Register */
 
 static int mv88e6185_g1_wait_ppu_disabled(struct mv88e6xxx_chip *chip)
 {
-	u16 state;
-	int i, err;
-
-	for (i = 0; i < 16; i++) {
-		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
-		if (err)
-			return err;
-
-		/* Check the value of the PPUState bits 15:14 */
-		state &= MV88E6185_G1_STS_PPU_STATE_MASK;
-		if (state != MV88E6185_G1_STS_PPU_STATE_POLLING)
-			return 0;
-
-		usleep_range(1000, 2000);
-	}
-
-	return -ETIMEDOUT;
+	return mv88e6xxx_g1_wait_mask(chip, MV88E6XXX_G1_STS,
+				      MV88E6185_G1_STS_PPU_STATE_MASK,
+				      MV88E6185_G1_STS_PPU_STATE_DISABLED);
 }
 
 static int mv88e6185_g1_wait_ppu_polling(struct mv88e6xxx_chip *chip)
 {
-	u16 state;
-	int i, err;
-
-	for (i = 0; i < 16; ++i) {
-		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
-		if (err)
-			return err;
-
-		/* Check the value of the PPUState bits 15:14 */
-		state &= MV88E6185_G1_STS_PPU_STATE_MASK;
-		if (state == MV88E6185_G1_STS_PPU_STATE_POLLING)
-			return 0;
-
-		usleep_range(1000, 2000);
-	}
-
-	return -ETIMEDOUT;
+	return mv88e6xxx_g1_wait_mask(chip, MV88E6XXX_G1_STS,
+				      MV88E6185_G1_STS_PPU_STATE_MASK,
+				      MV88E6185_G1_STS_PPU_STATE_POLLING);
 }
 
 static int mv88e6352_g1_wait_ppu_polling(struct mv88e6xxx_chip *chip)
 {
-	u16 state;
-	int i, err;
+	int bit = __bf_shf(MV88E6352_G1_STS_PPU_STATE);
 
-	for (i = 0; i < 16; ++i) {
-		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
-		if (err)
-			return err;
-
-		/* Check the value of the PPUState (or InitState) bit 15 */
-		if (state & MV88E6352_G1_STS_PPU_STATE)
-			return 0;
-
-		usleep_range(1000, 2000);
-	}
-
-	return -ETIMEDOUT;
+	return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_STS, bit, 1);
 }
 
 static int mv88e6xxx_g1_wait_init_ready(struct mv88e6xxx_chip *chip)
 {
-	const unsigned long timeout = jiffies + 1 * HZ;
-	u16 val;
-	int err;
+	int bit = __bf_shf(MV88E6XXX_G1_STS_INIT_READY);
 
 	/* Wait up to 1 second for the switch to be ready. The InitReady bit 11
 	 * is set to a one when all units inside the device (ATU, VTU, etc.)
 	 * have finished their initialization and are ready to accept frames.
 	 */
-	while (time_before(jiffies, timeout)) {
-		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &val);
-		if (err)
-			return err;
-
-		if (val & MV88E6XXX_G1_STS_INIT_READY)
-			break;
-
-		usleep_range(1000, 2000);
-	}
-
-	if (time_after(jiffies, timeout))
-		return -ETIMEDOUT;
-
-	return 0;
+	return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_STS, bit, 1);
 }
 
 /* Offset 0x01: Switch MAC Address Register Bytes 0 & 1
@@ -182,7 +130,7 @@
 	return mv88e6185_g1_wait_ppu_polling(chip);
 }
 
-int mv88e6352_g1_reset(struct mv88e6xxx_chip *chip)
+int mv88e6250_g1_reset(struct mv88e6xxx_chip *chip)
 {
 	u16 val;
 	int err;
@@ -198,7 +146,14 @@
 	if (err)
 		return err;
 
-	err = mv88e6xxx_g1_wait_init_ready(chip);
+	return mv88e6xxx_g1_wait_init_ready(chip);
+}
+
+int mv88e6352_g1_reset(struct mv88e6xxx_chip *chip)
+{
+	int err;
+
+	err = mv88e6250_g1_reset(chip);
 	if (err)
 		return err;
 
@@ -239,6 +194,25 @@
 		return err;
 
 	return mv88e6185_g1_wait_ppu_disabled(chip);
+}
+
+int mv88e6185_g1_set_max_frame_size(struct mv88e6xxx_chip *chip, int mtu)
+{
+	u16 val;
+	int err;
+
+	mtu += ETH_HLEN + ETH_FCS_LEN;
+
+	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val);
+	if (err)
+		return err;
+
+	val &= ~MV88E6185_G1_CTL1_MAX_FRAME_1632;
+
+	if (mtu > 1518)
+		val |= MV88E6185_G1_CTL1_MAX_FRAME_1632;
+
+	return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, val);
 }
 
 /* Offset 0x10: IP-PRI Mapping Register 0
@@ -299,11 +273,20 @@
 	return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_IEEE_PRI, 0xfa41);
 }
 
+int mv88e6250_g1_ieee_pri_map(struct mv88e6xxx_chip *chip)
+{
+	/* Reset the IEEE Tag priorities to defaults */
+	return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_IEEE_PRI, 0xfa50);
+}
+
 /* Offset 0x1a: Monitor Control */
 /* Offset 0x1a: Monitor & MGMT Control on some devices */
 
-int mv88e6095_g1_set_egress_port(struct mv88e6xxx_chip *chip, int port)
+int mv88e6095_g1_set_egress_port(struct mv88e6xxx_chip *chip,
+				 enum mv88e6xxx_egress_direction direction,
+				 int port)
 {
+	int *dest_port_chip;
 	u16 reg;
 	int err;
 
@@ -311,13 +294,28 @@
 	if (err)
 		return err;
 
-	reg &= ~(MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK |
-		 MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK);
+	switch (direction) {
+	case MV88E6XXX_EGRESS_DIR_INGRESS:
+		dest_port_chip = &chip->ingress_dest_port;
+		reg &= ~MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK;
+		reg |= port <<
+		       __bf_shf(MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK);
+		break;
+	case MV88E6XXX_EGRESS_DIR_EGRESS:
+		dest_port_chip = &chip->egress_dest_port;
+		reg &= ~MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK;
+		reg |= port <<
+		       __bf_shf(MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK);
+		break;
+	default:
+		return -EINVAL;
+	}
 
-	reg |= port << __bf_shf(MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK) |
-		port << __bf_shf(MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK);
+	err = mv88e6xxx_g1_write(chip, MV88E6185_G1_MONITOR_CTL, reg);
+	if (!err)
+		*dest_port_chip = port;
 
-	return mv88e6xxx_g1_write(chip, MV88E6185_G1_MONITOR_CTL, reg);
+	return err;
 }
 
 /* Older generations also call this the ARP destination. It has been
@@ -349,22 +347,32 @@
 	return mv88e6xxx_g1_write(chip, MV88E6390_G1_MONITOR_MGMT_CTL, reg);
 }
 
-int mv88e6390_g1_set_egress_port(struct mv88e6xxx_chip *chip, int port)
+int mv88e6390_g1_set_egress_port(struct mv88e6xxx_chip *chip,
+				 enum mv88e6xxx_egress_direction direction,
+				 int port)
 {
+	int *dest_port_chip;
 	u16 ptr;
 	int err;
 
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_INGRESS_DEST;
-	err = mv88e6390_g1_monitor_write(chip, ptr, port);
-	if (err)
-		return err;
+	switch (direction) {
+	case MV88E6XXX_EGRESS_DIR_INGRESS:
+		dest_port_chip = &chip->ingress_dest_port;
+		ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_INGRESS_DEST;
+		break;
+	case MV88E6XXX_EGRESS_DIR_EGRESS:
+		dest_port_chip = &chip->egress_dest_port;
+		ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_EGRESS_DEST;
+		break;
+	default:
+		return -EINVAL;
+	}
 
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_EGRESS_DEST;
 	err = mv88e6390_g1_monitor_write(chip, ptr, port);
-	if (err)
-		return err;
+	if (!err)
+		*dest_port_chip = port;
 
-	return 0;
+	return err;
 }
 
 int mv88e6390_g1_set_cpu_port(struct mv88e6xxx_chip *chip, int port)
@@ -384,26 +392,26 @@
 	u16 ptr;
 	int err;
 
-	/* 01:c2:80:00:00:00:00-01:c2:80:00:00:00:07 are Management */
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C280000000XLO;
+	/* 01:80:c2:00:00:00-01:80:c2:00:00:07 are Management */
+	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C200000XLO;
 	err = mv88e6390_g1_monitor_write(chip, ptr, 0xff);
 	if (err)
 		return err;
 
-	/* 01:c2:80:00:00:00:08-01:c2:80:00:00:00:0f are Management */
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C280000000XHI;
+	/* 01:80:c2:00:00:08-01:80:c2:00:00:0f are Management */
+	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C200000XHI;
 	err = mv88e6390_g1_monitor_write(chip, ptr, 0xff);
 	if (err)
 		return err;
 
-	/* 01:c2:80:00:00:00:20-01:c2:80:00:00:00:27 are Management */
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C280000002XLO;
+	/* 01:80:c2:00:00:20-01:80:c2:00:00:27 are Management */
+	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C200002XLO;
 	err = mv88e6390_g1_monitor_write(chip, ptr, 0xff);
 	if (err)
 		return err;
 
-	/* 01:c2:80:00:00:00:28-01:c2:80:00:00:00:2f are Management */
-	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C280000002XHI;
+	/* 01:80:c2:00:00:28-01:80:c2:00:00:2f are Management */
+	ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_0180C200002XHI;
 	err = mv88e6390_g1_monitor_write(chip, ptr, 0xff);
 	if (err)
 		return err;
@@ -470,10 +478,11 @@
 
 /* Offset 0x1d: Statistics Operation 2 */
 
-int mv88e6xxx_g1_stats_wait(struct mv88e6xxx_chip *chip)
+static int mv88e6xxx_g1_stats_wait(struct mv88e6xxx_chip *chip)
 {
-	return mv88e6xxx_g1_wait(chip, MV88E6XXX_G1_STATS_OP,
-				 MV88E6XXX_G1_STATS_OP_BUSY);
+	int bit = __bf_shf(MV88E6XXX_G1_STATS_OP_BUSY);
+
+	return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_STATS_OP, bit, 0);
 }
 
 int mv88e6095_g1_stats_set_histogram(struct mv88e6xxx_chip *chip)

--
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