* [PATCH 2/2] b43: HT-PHY: add place for writing HT PHY support
2011-06-13 14:20 [PATCH 1/2] b43: define new PHYs and radio regs for cores >= 24 Rafał Miłecki
@ 2011-06-13 14:20 ` Rafał Miłecki
0 siblings, 0 replies; 2+ messages in thread
From: Rafał Miłecki @ 2011-06-13 14:20 UTC (permalink / raw)
To: linux-wireless, John W. Linville; +Cc: b43-dev, Rafał Miłecki
This is totally broken plus we do not have specs for HT PHY yet. Just
introduce place for writing driver if we discover anything.
Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/Kconfig | 8 ++
drivers/net/wireless/b43/Makefile | 1 +
drivers/net/wireless/b43/main.c | 10 +++
drivers/net/wireless/b43/phy_common.c | 6 ++
drivers/net/wireless/b43/phy_common.h | 3 +
drivers/net/wireless/b43/phy_ht.c | 119 +++++++++++++++++++++++++++++++++
drivers/net/wireless/b43/phy_ht.h | 19 +++++
7 files changed, 166 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/wireless/b43/phy_ht.c
create mode 100644 drivers/net/wireless/b43/phy_ht.h
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index fe26bf4..e02db1b 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -112,6 +112,14 @@ config B43_PHY_LP
and embedded devices. It supports 802.11a/g
(802.11a support is optional, and currently disabled).
+config B43_PHY_HT
+ bool "Support for HT-PHY devices (BROKEN)"
+ depends on B43 && BROKEN
+ ---help---
+ Support for the HT-PHY.
+
+ 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 95f7c00..58d614a 100644
--- a/drivers/net/wireless/b43/Makefile
+++ b/drivers/net/wireless/b43/Makefile
@@ -10,6 +10,7 @@ b43-y += phy_a.o
b43-$(CONFIG_B43_PHY_N) += phy_n.o
b43-$(CONFIG_B43_PHY_LP) += phy_lp.o
b43-$(CONFIG_B43_PHY_LP) += tables_lpphy.o
+b43-$(CONFIG_B43_PHY_HT) += phy_ht.o
b43-y += sysfs.o
b43-y += xmit.o
b43-y += lo.o
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 2260b36..ea9e737 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4102,6 +4102,12 @@ static int b43_phy_versioning(struct b43_wldev *dev)
unsupported = 1;
break;
#endif
+#ifdef CONFIG_B43_PHY_HT
+ case B43_PHYTYPE_HT:
+ if (phy_rev > 1)
+ unsupported = 1;
+ break;
+#endif
default:
unsupported = 1;
};
@@ -4158,6 +4164,10 @@ static int b43_phy_versioning(struct b43_wldev *dev)
if (radio_ver != 0x2062 && radio_ver != 0x2063)
unsupported = 1;
break;
+ case B43_PHYTYPE_HT:
+ if (radio_ver != 0x2059)
+ unsupported = 1;
+ break;
default:
B43_WARN_ON(1);
}
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 425af28..9705950 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -31,6 +31,7 @@
#include "phy_a.h"
#include "phy_n.h"
#include "phy_lp.h"
+#include "phy_ht.h"
#include "b43.h"
#include "main.h"
@@ -59,6 +60,11 @@ int b43_phy_allocate(struct b43_wldev *dev)
phy->ops = &b43_phyops_lp;
#endif
break;
+ case B43_PHYTYPE_HT:
+#ifdef CONFIG_B43_PHY_HT
+ phy->ops = &b43_phyops_ht;
+#endif
+ break;
}
if (B43_WARN_ON(!phy->ops))
return -ENODEV;
diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h
index 2401bee..47dcb80 100644
--- a/drivers/net/wireless/b43/phy_common.h
+++ b/drivers/net/wireless/b43/phy_common.h
@@ -194,6 +194,7 @@ struct b43_phy_a;
struct b43_phy_g;
struct b43_phy_n;
struct b43_phy_lp;
+struct b43_phy_ht;
struct b43_phy {
/* Hardware operation callbacks. */
@@ -216,6 +217,8 @@ struct b43_phy {
struct b43_phy_n *n;
/* LP-PHY specific information */
struct b43_phy_lp *lp;
+ /* HT-PHY specific information */
+ struct b43_phy_ht *ht;
};
/* Band support flags. */
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c
new file mode 100644
index 0000000..320be0e
--- /dev/null
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -0,0 +1,119 @@
+/*
+
+ Broadcom B43 wireless driver
+ IEEE 802.11n HT-PHY support
+
+ 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.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+*/
+
+#include <linux/slab.h>
+
+#include "b43.h"
+#include "phy_ht.h"
+#include "main.h"
+
+/**************************************************
+ * Basic PHY ops.
+ **************************************************/
+
+static int b43_phy_ht_op_allocate(struct b43_wldev *dev)
+{
+ struct b43_phy_ht *phy_ht;
+
+ phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL);
+ if (!phy_ht)
+ return -ENOMEM;
+ dev->phy.ht = phy_ht;
+
+ return 0;
+}
+
+static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_ht *phy_ht = phy->ht;
+
+ memset(phy_ht, 0, sizeof(*phy_ht));
+}
+
+static void b43_phy_ht_op_free(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_ht *phy_ht = phy->ht;
+
+ kfree(phy_ht);
+ phy->ht = NULL;
+}
+
+static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
+{
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
+ return 1;
+ return 36;
+}
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg)
+{
+ b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
+ return b43_read16(dev, B43_MMIO_PHY_DATA);
+}
+
+static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value)
+{
+ b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
+ b43_write16(dev, B43_MMIO_PHY_DATA, value);
+}
+
+static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
+ u16 set)
+{
+ b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
+ b43_write16(dev, B43_MMIO_PHY_DATA,
+ (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
+}
+
+/**************************************************
+ * PHY ops struct.
+ **************************************************/
+
+const struct b43_phy_operations b43_phyops_ht = {
+ .allocate = b43_phy_ht_op_allocate,
+ .free = b43_phy_ht_op_free,
+ .prepare_structs = b43_phy_ht_op_prepare_structs,
+ /*
+ .init = b43_phy_ht_op_init,
+ */
+ .phy_read = b43_phy_ht_op_read,
+ .phy_write = b43_phy_ht_op_write,
+ .phy_maskset = b43_phy_ht_op_maskset,
+ /*
+ .radio_read = b43_phy_ht_op_radio_read,
+ .radio_write = b43_phy_ht_op_radio_write,
+ .software_rfkill = b43_phy_ht_op_software_rfkill,
+ .switch_analog = b43_phy_ht_op_switch_analog,
+ .switch_channel = b43_phy_ht_op_switch_channel,
+ */
+ .get_default_chan = b43_phy_ht_op_get_default_chan,
+ /*
+ .recalc_txpower = b43_phy_ht_op_recalc_txpower,
+ .adjust_txpower = b43_phy_ht_op_adjust_txpower,
+ */
+};
diff --git a/drivers/net/wireless/b43/phy_ht.h b/drivers/net/wireless/b43/phy_ht.h
new file mode 100644
index 0000000..aabad6f
--- /dev/null
+++ b/drivers/net/wireless/b43/phy_ht.h
@@ -0,0 +1,19 @@
+#ifndef B43_PHY_HT_H_
+#define B43_PHY_HT_H_
+
+#include "phy_common.h"
+
+
+#define B43_PHY_HT_TABLE_ADDR 0x072 /* Table address */
+#define B43_PHY_HT_TABLE_DATALO 0x073 /* Table data low */
+#define B43_PHY_HT_TABLE_DATAHI 0x074 /* Table data high */
+
+
+struct b43_phy_ht {
+};
+
+
+struct b43_phy_operations;
+extern const struct b43_phy_operations b43_phyops_ht;
+
+#endif /* B43_PHY_HT_H_ */
--
1.7.3.4
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