[B43]: add mac80211-based driver for modern BCM43xx devices

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 142 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
new file mode 100644
index 00000000000..bd8fcf72dc5
--- /dev/null
+++ b/drivers/net/wireless/b43/main.h
@@ -0,0 +1,142 @@
+/*
+
+  Broadcom B43 wireless driver
+
+  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
+                     Stefano Brivio <st3@riseup.net>
+                     Michael Buesch <mb@bu3sch.de>
+                     Danny van Dyk <kugelfang@gentoo.org>
+                     Andreas Jaggi <andreas.jaggi@waterwave.ch>
+
+  Some parts of the code in this file are derived from the ipw2200
+  driver  Copyright(c) 2003 - 2004 Intel Corporation.
+
+  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.
+
+*/
+
+#ifndef B43_MAIN_H_
+#define B43_MAIN_H_
+
+#include "b43.h"
+
+#define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
+#define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
+/* Magic helper macro to pad structures. Ignore those above. It's magic. */
+#define PAD_BYTES(nr_bytes)		P4D_BYTES( __LINE__ , (nr_bytes))
+
+/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
+static inline u8 b43_freq_to_channel_a(int freq)
+{
+	return ((freq - 5000) / 5);
+}
+static inline u8 b43_freq_to_channel_bg(int freq)
+{
+	u8 channel;
+
+	if (freq == 2484)
+		channel = 14;
+	else
+		channel = (freq - 2407) / 5;
+
+	return channel;
+}
+static inline u8 b43_freq_to_channel(struct b43_wldev *dev, int freq)
+{
+	if (dev->phy.type == B43_PHYTYPE_A)
+		return b43_freq_to_channel_a(freq);
+	return b43_freq_to_channel_bg(freq);
+}
+
+/* Lightweight function to convert a channel number to a frequency (in Mhz). */
+static inline int b43_channel_to_freq_a(u8 channel)
+{
+	return (5000 + (5 * channel));
+}
+static inline int b43_channel_to_freq_bg(u8 channel)
+{
+	int freq;
+
+	if (channel == 14)
+		freq = 2484;
+	else
+		freq = 2407 + (5 * channel);
+
+	return freq;
+}
+static inline int b43_channel_to_freq(struct b43_wldev *dev, u8 channel)
+{
+	if (dev->phy.type == B43_PHYTYPE_A)
+		return b43_channel_to_freq_a(channel);
+	return b43_channel_to_freq_bg(channel);
+}
+
+static inline int b43_is_cck_rate(int rate)
+{
+	return (rate == B43_CCK_RATE_1MB ||
+		rate == B43_CCK_RATE_2MB ||
+		rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
+}
+
+static inline int b43_is_ofdm_rate(int rate)
+{
+	return !b43_is_cck_rate(rate);
+}
+
+static inline int b43_is_hw_radio_enabled(struct b43_wldev *dev)
+{
+	/* function to return state of hardware enable of radio
+	 * returns 0 if radio disabled, 1 if radio enabled
+	 */
+	struct b43_phy *phy = &dev->phy;
+
+	if (phy->rev >= 3)
+		return ((b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
+			 & B43_MMIO_RADIO_HWENABLED_HI_MASK)
+			== 0) ? 1 : 0;
+	else
+		return ((b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
+			 & B43_MMIO_RADIO_HWENABLED_LO_MASK)
+			== 0) ? 0 : 1;
+}
+
+void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
+void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
+
+u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
+u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
+void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
+void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
+
+u32 b43_hf_read(struct b43_wldev *dev);
+void b43_hf_write(struct b43_wldev *dev, u32 value);
+
+void b43_dummy_transmission(struct b43_wldev *dev);
+
+void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
+
+void b43_mac_suspend(struct b43_wldev *dev);
+void b43_mac_enable(struct b43_wldev *dev);
+
+void b43_controller_restart(struct b43_wldev *dev, const char *reason);
+
+#define B43_PS_ENABLED	(1 << 0)	/* Force enable hardware power saving */
+#define B43_PS_DISABLED	(1 << 1)	/* Force disable hardware power saving */
+#define B43_PS_AWAKE	(1 << 2)	/* Force device awake */
+#define B43_PS_ASLEEP	(1 << 3)	/* Force device asleep */
+void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
+
+#endif /* B43_MAIN_H_ */