b43: AC-PHY: prepare place for developing new PHY support
There are new (not anymore?) Broadcom 802.11ac wireless cards based on
chipsets like BCM4352 and BCM4360. They use a new PHY type (called
simply AC) that will require new specific code.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 64a5b67..759fb8d 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -166,6 +166,15 @@
Say N, this is BROKEN and crashes driver.
+config B43_PHY_AC
+ bool "Support for AC-PHY (802.11ac) devices (BROKEN)"
+ depends on B43 && B43_BCMA && BROKEN
+ ---help---
+ This PHY type can be found in the following chipsets:
+ PCI: BCM4352, BCM4360
+
+ Say N, this is BROKEN and crashes driver.
+
# This config option automatically enables b43 LEDS support,
# if it's possible.
config B43_LEDS
diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile
index 9f7965a..c624d4d 100644
--- a/drivers/net/wireless/b43/Makefile
+++ b/drivers/net/wireless/b43/Makefile
@@ -13,6 +13,7 @@
b43-$(CONFIG_B43_PHY_HT) += tables_phy_ht.o
b43-$(CONFIG_B43_PHY_HT) += radio_2059.o
b43-$(CONFIG_B43_PHY_LCN) += phy_lcn.o tables_phy_lcn.o
+b43-$(CONFIG_B43_PHY_AC) += phy_ac.o
b43-y += sysfs.o
b43-y += xmit.o
b43-y += dma.o
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 1784933..2c90886 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4544,6 +4544,12 @@
unsupported = 1;
break;
#endif
+#ifdef CONFIG_B43_PHY_AC
+ case B43_PHYTYPE_AC:
+ if (phy_rev > 1)
+ unsupported = 1;
+ break;
+#endif
default:
unsupported = 1;
}
@@ -4640,6 +4646,10 @@
if (radio_id != 0x2064)
unsupported = 1;
break;
+ case B43_PHYTYPE_AC:
+ if (radio_id != 0x2069)
+ unsupported = 1;
+ break;
default:
B43_WARN_ON(1);
}
diff --git a/drivers/net/wireless/b43/phy_ac.c b/drivers/net/wireless/b43/phy_ac.c
new file mode 100644
index 0000000..e75633d
--- /dev/null
+++ b/drivers/net/wireless/b43/phy_ac.c
@@ -0,0 +1,92 @@
+/*
+ * Broadcom B43 wireless driver
+ * IEEE 802.11ac AC-PHY support
+ *
+ * Copyright (c) 2015 Rafał Miłecki <zajec5@gmail.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 "b43.h"
+#include "phy_ac.h"
+
+/**************************************************
+ * Basic PHY ops
+ **************************************************/
+
+static int b43_phy_ac_op_allocate(struct b43_wldev *dev)
+{
+ struct b43_phy_ac *phy_ac;
+
+ phy_ac = kzalloc(sizeof(*phy_ac), GFP_KERNEL);
+ if (!phy_ac)
+ return -ENOMEM;
+ dev->phy.ac = phy_ac;
+
+ return 0;
+}
+
+static void b43_phy_ac_op_free(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_ac *phy_ac = phy->ac;
+
+ kfree(phy_ac);
+ phy->ac = NULL;
+}
+
+static void b43_phy_ac_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
+ u16 set)
+{
+ b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
+ b43_write16(dev, B43_MMIO_PHY_DATA,
+ (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
+}
+
+static u16 b43_phy_ac_op_radio_read(struct b43_wldev *dev, u16 reg)
+{
+ b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
+ return b43_read16(dev, B43_MMIO_RADIO24_DATA);
+}
+
+static void b43_phy_ac_op_radio_write(struct b43_wldev *dev, u16 reg,
+ u16 value)
+{
+ b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
+ b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
+}
+
+static unsigned int b43_phy_ac_op_get_default_chan(struct b43_wldev *dev)
+{
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
+ return 11;
+ return 36;
+}
+
+static enum b43_txpwr_result
+b43_phy_ac_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
+{
+ return B43_TXPWR_RES_DONE;
+}
+
+static void b43_phy_ac_op_adjust_txpower(struct b43_wldev *dev)
+{
+}
+
+/**************************************************
+ * PHY ops struct
+ **************************************************/
+
+const struct b43_phy_operations b43_phyops_ac = {
+ .allocate = b43_phy_ac_op_allocate,
+ .free = b43_phy_ac_op_free,
+ .phy_maskset = b43_phy_ac_op_maskset,
+ .radio_read = b43_phy_ac_op_radio_read,
+ .radio_write = b43_phy_ac_op_radio_write,
+ .get_default_chan = b43_phy_ac_op_get_default_chan,
+ .recalc_txpower = b43_phy_ac_op_recalc_txpower,
+ .adjust_txpower = b43_phy_ac_op_adjust_txpower,
+};
diff --git a/drivers/net/wireless/b43/phy_ac.h b/drivers/net/wireless/b43/phy_ac.h
new file mode 100644
index 0000000..d1ca79e
--- /dev/null
+++ b/drivers/net/wireless/b43/phy_ac.h
@@ -0,0 +1,38 @@
+#ifndef B43_PHY_AC_H_
+#define B43_PHY_AC_H_
+
+#include "phy_common.h"
+
+#define B43_PHY_AC_BBCFG 0x001
+#define B43_PHY_AC_BBCFG_RSTCCA 0x4000 /* Reset CCA */
+#define B43_PHY_AC_BANDCTL 0x003 /* Band control */
+#define B43_PHY_AC_BANDCTL_5GHZ 0x0001
+#define B43_PHY_AC_TABLE_ID 0x00d
+#define B43_PHY_AC_TABLE_OFFSET 0x00e
+#define B43_PHY_AC_TABLE_DATA1 0x00f
+#define B43_PHY_AC_TABLE_DATA2 0x010
+#define B43_PHY_AC_TABLE_DATA3 0x011
+#define B43_PHY_AC_CLASSCTL 0x140 /* Classifier control */
+#define B43_PHY_AC_CLASSCTL_CCKEN 0x0001 /* CCK enable */
+#define B43_PHY_AC_CLASSCTL_OFDMEN 0x0002 /* OFDM enable */
+#define B43_PHY_AC_CLASSCTL_WAITEDEN 0x0004 /* Waited enable */
+#define B43_PHY_AC_BW1A 0x371
+#define B43_PHY_AC_BW2 0x372
+#define B43_PHY_AC_BW3 0x373
+#define B43_PHY_AC_BW4 0x374
+#define B43_PHY_AC_BW5 0x375
+#define B43_PHY_AC_BW6 0x376
+#define B43_PHY_AC_RFCTL_CMD 0x408
+#define B43_PHY_AC_C1_CLIP 0x6d4
+#define B43_PHY_AC_C1_CLIP_DIS 0x4000
+#define B43_PHY_AC_C2_CLIP 0x8d4
+#define B43_PHY_AC_C2_CLIP_DIS 0x4000
+#define B43_PHY_AC_C3_CLIP 0xad4
+#define B43_PHY_AC_C3_CLIP_DIS 0x4000
+
+struct b43_phy_ac {
+};
+
+extern const struct b43_phy_operations b43_phyops_ac;
+
+#endif /* B43_PHY_AC_H_ */
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index ee27b06..ec2b9c5 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -33,6 +33,7 @@
#include "phy_lp.h"
#include "phy_ht.h"
#include "phy_lcn.h"
+#include "phy_ac.h"
#include "b43.h"
#include "main.h"
@@ -70,6 +71,11 @@
phy->ops = &b43_phyops_lcn;
#endif
break;
+ case B43_PHYTYPE_AC:
+#ifdef CONFIG_B43_PHY_AC
+ phy->ops = &b43_phyops_ac;
+#endif
+ break;
}
if (B43_WARN_ON(!phy->ops))
return -ENODEV;
@@ -572,7 +578,8 @@
u32 tmp;
WARN_ON(dev->phy.type != B43_PHYTYPE_N &&
- dev->phy.type != B43_PHYTYPE_HT);
+ dev->phy.type != B43_PHYTYPE_HT &&
+ dev->phy.type != B43_PHYTYPE_AC);
switch (dev->dev->bus_type) {
#ifdef CONFIG_B43_BCMA
diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h
index 3912274..78d8652 100644
--- a/drivers/net/wireless/b43/phy_common.h
+++ b/drivers/net/wireless/b43/phy_common.h
@@ -222,6 +222,8 @@
struct b43_phy_ht *ht;
/* LCN-PHY specific information */
struct b43_phy_lcn *lcn;
+ /* AC-PHY specific information */
+ struct b43_phy_ac *ac;
};
/* Band support flags. */