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Diffstat (limited to 'drivers/net/wireless/broadcom/b43legacy/phy.c')
-rw-r--r--drivers/net/wireless/broadcom/b43legacy/phy.c2258
1 files changed, 2258 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43legacy/phy.c b/drivers/net/wireless/broadcom/b43legacy/phy.c
new file mode 100644
index 000000000000..995c7d0c212a
--- /dev/null
+++ b/drivers/net/wireless/broadcom/b43legacy/phy.c
@@ -0,0 +1,2258 @@
+/*
+
+ Broadcom B43legacy wireless driver
+
+ Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
+ Stefano Brivio <stefano.brivio@polimi.it>
+ Michael Buesch <m@bues.ch>
+ Danny van Dyk <kugelfang@gentoo.org>
+ Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
+
+ 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.
+
+*/
+
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include "b43legacy.h"
+#include "phy.h"
+#include "main.h"
+#include "radio.h"
+#include "ilt.h"
+
+
+static const s8 b43legacy_tssi2dbm_b_table[] = {
+ 0x4D, 0x4C, 0x4B, 0x4A,
+ 0x4A, 0x49, 0x48, 0x47,
+ 0x47, 0x46, 0x45, 0x45,
+ 0x44, 0x43, 0x42, 0x42,
+ 0x41, 0x40, 0x3F, 0x3E,
+ 0x3D, 0x3C, 0x3B, 0x3A,
+ 0x39, 0x38, 0x37, 0x36,
+ 0x35, 0x34, 0x32, 0x31,
+ 0x30, 0x2F, 0x2D, 0x2C,
+ 0x2B, 0x29, 0x28, 0x26,
+ 0x25, 0x23, 0x21, 0x1F,
+ 0x1D, 0x1A, 0x17, 0x14,
+ 0x10, 0x0C, 0x06, 0x00,
+ -7, -7, -7, -7,
+ -7, -7, -7, -7,
+ -7, -7, -7, -7,
+};
+
+static const s8 b43legacy_tssi2dbm_g_table[] = {
+ 77, 77, 77, 76,
+ 76, 76, 75, 75,
+ 74, 74, 73, 73,
+ 73, 72, 72, 71,
+ 71, 70, 70, 69,
+ 68, 68, 67, 67,
+ 66, 65, 65, 64,
+ 63, 63, 62, 61,
+ 60, 59, 58, 57,
+ 56, 55, 54, 53,
+ 52, 50, 49, 47,
+ 45, 43, 40, 37,
+ 33, 28, 22, 14,
+ 5, -7, -20, -20,
+ -20, -20, -20, -20,
+ -20, -20, -20, -20,
+};
+
+static void b43legacy_phy_initg(struct b43legacy_wldev *dev);
+
+
+static inline
+void b43legacy_voluntary_preempt(void)
+{
+ B43legacy_BUG_ON(!(!in_atomic() && !in_irq() &&
+ !in_interrupt() && !irqs_disabled()));
+#ifndef CONFIG_PREEMPT
+ cond_resched();
+#endif /* CONFIG_PREEMPT */
+}
+
+/* Lock the PHY registers against concurrent access from the microcode.
+ * This lock is nonrecursive. */
+void b43legacy_phy_lock(struct b43legacy_wldev *dev)
+{
+#if B43legacy_DEBUG
+ B43legacy_WARN_ON(dev->phy.phy_locked);
+ dev->phy.phy_locked = 1;
+#endif
+
+ if (dev->dev->id.revision < 3) {
+ b43legacy_mac_suspend(dev);
+ } else {
+ if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP))
+ b43legacy_power_saving_ctl_bits(dev, -1, 1);
+ }
+}
+
+void b43legacy_phy_unlock(struct b43legacy_wldev *dev)
+{
+#if B43legacy_DEBUG
+ B43legacy_WARN_ON(!dev->phy.phy_locked);
+ dev->phy.phy_locked = 0;
+#endif
+
+ if (dev->dev->id.revision < 3) {
+ b43legacy_mac_enable(dev);
+ } else {
+ if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP))
+ b43legacy_power_saving_ctl_bits(dev, -1, -1);
+ }
+}
+
+u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset)
+{
+ b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset);
+ return b43legacy_read16(dev, B43legacy_MMIO_PHY_DATA);
+}
+
+void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val)
+{
+ b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset);
+ mmiowb();
+ b43legacy_write16(dev, B43legacy_MMIO_PHY_DATA, val);
+}
+
+void b43legacy_phy_calibrate(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */
+ if (phy->calibrated)
+ return;
+ if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) {
+ b43legacy_wireless_core_reset(dev, 0);
+ b43legacy_phy_initg(dev);
+ b43legacy_wireless_core_reset(dev, B43legacy_TMSLOW_GMODE);
+ }
+ phy->calibrated = 1;
+}
+
+/* initialize B PHY power control
+ * as described in http://bcm-specs.sipsolutions.net/InitPowerControl
+ */
+static void b43legacy_phy_init_pctl(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 saved_batt = 0;
+ u16 saved_ratt = 0;
+ u16 saved_txctl1 = 0;
+ int must_reset_txpower = 0;
+
+ B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B ||
+ phy->type == B43legacy_PHYTYPE_G));
+ if (is_bcm_board_vendor(dev) &&
+ (dev->dev->bus->boardinfo.type == 0x0416))
+ return;
+
+ b43legacy_phy_write(dev, 0x0028, 0x8018);
+ b43legacy_write16(dev, 0x03E6, b43legacy_read16(dev, 0x03E6) & 0xFFDF);
+
+ if (phy->type == B43legacy_PHYTYPE_G) {
+ if (!phy->gmode)
+ return;
+ b43legacy_phy_write(dev, 0x047A, 0xC111);
+ }
+ if (phy->savedpctlreg != 0xFFFF)
+ return;
+#ifdef CONFIG_B43LEGACY_DEBUG
+ if (phy->manual_txpower_control)
+ return;
+#endif
+
+ if (phy->type == B43legacy_PHYTYPE_B &&
+ phy->rev >= 2 &&
+ phy->radio_ver == 0x2050)
+ b43legacy_radio_write16(dev, 0x0076,
+ b43legacy_radio_read16(dev, 0x0076)
+ | 0x0084);
+ else {
+ saved_batt = phy->bbatt;
+ saved_ratt = phy->rfatt;
+ saved_txctl1 = phy->txctl1;
+ if ((phy->radio_rev >= 6) && (phy->radio_rev <= 8)
+ && /*FIXME: incomplete specs for 5 < revision < 9 */ 0)
+ b43legacy_radio_set_txpower_bg(dev, 0xB, 0x1F, 0);
+ else
+ b43legacy_radio_set_txpower_bg(dev, 0xB, 9, 0);
+ must_reset_txpower = 1;
+ }
+ b43legacy_dummy_transmission(dev);
+
+ phy->savedpctlreg = b43legacy_phy_read(dev, B43legacy_PHY_G_PCTL);
+
+ if (must_reset_txpower)
+ b43legacy_radio_set_txpower_bg(dev, saved_batt, saved_ratt,
+ saved_txctl1);
+ else
+ b43legacy_radio_write16(dev, 0x0076, b43legacy_radio_read16(dev,
+ 0x0076) & 0xFF7B);
+ b43legacy_radio_clear_tssi(dev);
+}
+
+static void b43legacy_phy_agcsetup(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 offset = 0x0000;
+
+ if (phy->rev == 1)
+ offset = 0x4C00;
+
+ b43legacy_ilt_write(dev, offset, 0x00FE);
+ b43legacy_ilt_write(dev, offset + 1, 0x000D);
+ b43legacy_ilt_write(dev, offset + 2, 0x0013);
+ b43legacy_ilt_write(dev, offset + 3, 0x0019);
+
+ if (phy->rev == 1) {
+ b43legacy_ilt_write(dev, 0x1800, 0x2710);
+ b43legacy_ilt_write(dev, 0x1801, 0x9B83);
+ b43legacy_ilt_write(dev, 0x1802, 0x9B83);
+ b43legacy_ilt_write(dev, 0x1803, 0x0F8D);
+ b43legacy_phy_write(dev, 0x0455, 0x0004);
+ }
+
+ b43legacy_phy_write(dev, 0x04A5, (b43legacy_phy_read(dev, 0x04A5)
+ & 0x00FF) | 0x5700);
+ b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A)
+ & 0xFF80) | 0x000F);
+ b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A)
+ & 0xC07F) | 0x2B80);
+ b43legacy_phy_write(dev, 0x048C, (b43legacy_phy_read(dev, 0x048C)
+ & 0xF0FF) | 0x0300);
+
+ b43legacy_radio_write16(dev, 0x007A,
+ b43legacy_radio_read16(dev, 0x007A)
+ | 0x0008);
+
+ b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0)
+ & 0xFFF0) | 0x0008);
+ b43legacy_phy_write(dev, 0x04A1, (b43legacy_phy_read(dev, 0x04A1)
+ & 0xF0FF) | 0x0600);
+ b43legacy_phy_write(dev, 0x04A2, (b43legacy_phy_read(dev, 0x04A2)
+ & 0xF0FF) | 0x0700);
+ b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0)
+ & 0xF0FF) | 0x0100);
+
+ if (phy->rev == 1)
+ b43legacy_phy_write(dev, 0x04A2,
+ (b43legacy_phy_read(dev, 0x04A2)
+ & 0xFFF0) | 0x0007);
+
+ b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488)
+ & 0xFF00) | 0x001C);
+ b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488)
+ & 0xC0FF) | 0x0200);
+ b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496)
+ & 0xFF00) | 0x001C);
+ b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489)
+ & 0xFF00) | 0x0020);
+ b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489)
+ & 0xC0FF) | 0x0200);
+ b43legacy_phy_write(dev, 0x0482, (b43legacy_phy_read(dev, 0x0482)
+ & 0xFF00) | 0x002E);
+ b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496)
+ & 0x00FF) | 0x1A00);
+ b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481)
+ & 0xFF00) | 0x0028);
+ b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481)
+ & 0x00FF) | 0x2C00);
+
+ if (phy->rev == 1) {
+ b43legacy_phy_write(dev, 0x0430, 0x092B);
+ b43legacy_phy_write(dev, 0x041B,
+ (b43legacy_phy_read(dev, 0x041B)
+ & 0xFFE1) | 0x0002);
+ } else {
+ b43legacy_phy_write(dev, 0x041B,
+ b43legacy_phy_read(dev, 0x041B) & 0xFFE1);
+ b43legacy_phy_write(dev, 0x041F, 0x287A);
+ b43legacy_phy_write(dev, 0x0420,
+ (b43legacy_phy_read(dev, 0x0420)
+ & 0xFFF0) | 0x0004);
+ }
+
+ if (phy->rev > 2) {
+ b43legacy_phy_write(dev, 0x0422, 0x287A);
+ b43legacy_phy_write(dev, 0x0420,
+ (b43legacy_phy_read(dev, 0x0420)
+ & 0x0FFF) | 0x3000);
+ }
+
+ b43legacy_phy_write(dev, 0x04A8, (b43legacy_phy_read(dev, 0x04A8)
+ & 0x8080) | 0x7874);
+ b43legacy_phy_write(dev, 0x048E, 0x1C00);
+
+ if (phy->rev == 1) {
+ b43legacy_phy_write(dev, 0x04AB,
+ (b43legacy_phy_read(dev, 0x04AB)
+ & 0xF0FF) | 0x0600);
+ b43legacy_phy_write(dev, 0x048B, 0x005E);
+ b43legacy_phy_write(dev, 0x048C,
+ (b43legacy_phy_read(dev, 0x048C) & 0xFF00)
+ | 0x001E);
+ b43legacy_phy_write(dev, 0x048D, 0x0002);
+ }
+
+ b43legacy_ilt_write(dev, offset + 0x0800, 0);
+ b43legacy_ilt_write(dev, offset + 0x0801, 7);
+ b43legacy_ilt_write(dev, offset + 0x0802, 16);
+ b43legacy_ilt_write(dev, offset + 0x0803, 28);
+
+ if (phy->rev >= 6) {
+ b43legacy_phy_write(dev, 0x0426,
+ (b43legacy_phy_read(dev, 0x0426) & 0xFFFC));
+ b43legacy_phy_write(dev, 0x0426,
+ (b43legacy_phy_read(dev, 0x0426) & 0xEFFF));
+ }
+}
+
+static void b43legacy_phy_setupg(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 i;
+
+ B43legacy_BUG_ON(phy->type != B43legacy_PHYTYPE_G);
+ if (phy->rev == 1) {
+ b43legacy_phy_write(dev, 0x0406, 0x4F19);
+ b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
+ (b43legacy_phy_read(dev,
+ B43legacy_PHY_G_CRS) & 0xFC3F) | 0x0340);
+ b43legacy_phy_write(dev, 0x042C, 0x005A);
+ b43legacy_phy_write(dev, 0x0427, 0x001A);
+
+ for (i = 0; i < B43legacy_ILT_FINEFREQG_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x5800 + i,
+ b43legacy_ilt_finefreqg[i]);
+ for (i = 0; i < B43legacy_ILT_NOISEG1_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x1800 + i,
+ b43legacy_ilt_noiseg1[i]);
+ for (i = 0; i < B43legacy_ILT_ROTOR_SIZE; i++)
+ b43legacy_ilt_write32(dev, 0x2000 + i,
+ b43legacy_ilt_rotor[i]);
+ } else {
+ /* nrssi values are signed 6-bit values. Why 0x7654 here? */
+ b43legacy_nrssi_hw_write(dev, 0xBA98, (s16)0x7654);
+
+ if (phy->rev == 2) {
+ b43legacy_phy_write(dev, 0x04C0, 0x1861);
+ b43legacy_phy_write(dev, 0x04C1, 0x0271);
+ } else if (phy->rev > 2) {
+ b43legacy_phy_write(dev, 0x04C0, 0x0098);
+ b43legacy_phy_write(dev, 0x04C1, 0x0070);
+ b43legacy_phy_write(dev, 0x04C9, 0x0080);
+ }
+ b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev,
+ 0x042B) | 0x800);
+
+ for (i = 0; i < 64; i++)
+ b43legacy_ilt_write(dev, 0x4000 + i, i);
+ for (i = 0; i < B43legacy_ILT_NOISEG2_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x1800 + i,
+ b43legacy_ilt_noiseg2[i]);
+ }
+
+ if (phy->rev <= 2)
+ for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x1400 + i,
+ b43legacy_ilt_noisescaleg1[i]);
+ else if ((phy->rev >= 7) && (b43legacy_phy_read(dev, 0x0449) & 0x0200))
+ for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x1400 + i,
+ b43legacy_ilt_noisescaleg3[i]);
+ else
+ for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x1400 + i,
+ b43legacy_ilt_noisescaleg2[i]);
+
+ if (phy->rev == 2)
+ for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x5000 + i,
+ b43legacy_ilt_sigmasqr1[i]);
+ else if ((phy->rev > 2) && (phy->rev <= 8))
+ for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++)
+ b43legacy_ilt_write(dev, 0x5000 + i,
+ b43legacy_ilt_sigmasqr2[i]);
+
+ if (phy->rev == 1) {
+ for (i = 0; i < B43legacy_ILT_RETARD_SIZE; i++)
+ b43legacy_ilt_write32(dev, 0x2400 + i,
+ b43legacy_ilt_retard[i]);
+ for (i = 4; i < 20; i++)
+ b43legacy_ilt_write(dev, 0x5400 + i, 0x0020);
+ b43legacy_phy_agcsetup(dev);
+
+ if (is_bcm_board_vendor(dev) &&
+ (dev->dev->bus->boardinfo.type == 0x0416) &&
+ (dev->dev->bus->sprom.board_rev == 0x0017))
+ return;
+
+ b43legacy_ilt_write(dev, 0x5001, 0x0002);
+ b43legacy_ilt_write(dev, 0x5002, 0x0001);
+ } else {
+ for (i = 0; i <= 0x20; i++)
+ b43legacy_ilt_write(dev, 0x1000 + i, 0x0820);
+ b43legacy_phy_agcsetup(dev);
+ b43legacy_phy_read(dev, 0x0400); /* dummy read */
+ b43legacy_phy_write(dev, 0x0403, 0x1000);
+ b43legacy_ilt_write(dev, 0x3C02, 0x000F);
+ b43legacy_ilt_write(dev, 0x3C03, 0x0014);
+
+ if (is_bcm_board_vendor(dev) &&
+ (dev->dev->bus->boardinfo.type == 0x0416) &&
+ (dev->dev->bus->sprom.board_rev == 0x0017))
+ return;
+
+ b43legacy_ilt_write(dev, 0x0401, 0x0002);
+ b43legacy_ilt_write(dev, 0x0402, 0x0001);
+ }
+}
+
+/* Initialize the APHY portion of a GPHY. */
+static void b43legacy_phy_inita(struct b43legacy_wldev *dev)
+{
+
+ might_sleep();
+
+ b43legacy_phy_setupg(dev);
+ if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_PACTRL)
+ b43legacy_phy_write(dev, 0x046E, 0x03CF);
+}
+
+static void b43legacy_phy_initb2(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 offset;
+ int val;
+
+ b43legacy_write16(dev, 0x03EC, 0x3F22);
+ b43legacy_phy_write(dev, 0x0020, 0x301C);
+ b43legacy_phy_write(dev, 0x0026, 0x0000);
+ b43legacy_phy_write(dev, 0x0030, 0x00C6);
+ b43legacy_phy_write(dev, 0x0088, 0x3E00);
+ val = 0x3C3D;
+ for (offset = 0x0089; offset < 0x00A7; offset++) {
+ b43legacy_phy_write(dev, offset, val);
+ val -= 0x0202;
+ }
+ b43legacy_phy_write(dev, 0x03E4, 0x3000);
+ b43legacy_radio_selectchannel(dev, phy->channel, 0);
+ if (phy->radio_ver != 0x2050) {
+ b43legacy_radio_write16(dev, 0x0075, 0x0080);
+ b43legacy_radio_write16(dev, 0x0079, 0x0081);
+ }
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x0050, 0x0023);
+ if (phy->radio_ver == 0x2050) {
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x005A, 0x0070);
+ b43legacy_radio_write16(dev, 0x005B, 0x007B);
+ b43legacy_radio_write16(dev, 0x005C, 0x00B0);
+ b43legacy_radio_write16(dev, 0x007A, 0x000F);
+ b43legacy_phy_write(dev, 0x0038, 0x0677);
+ b43legacy_radio_init2050(dev);
+ }
+ b43legacy_phy_write(dev, 0x0014, 0x0080);
+ b43legacy_phy_write(dev, 0x0032, 0x00CA);
+ b43legacy_phy_write(dev, 0x0032, 0x00CC);
+ b43legacy_phy_write(dev, 0x0035, 0x07C2);
+ b43legacy_phy_lo_b_measure(dev);
+ b43legacy_phy_write(dev, 0x0026, 0xCC00);
+ if (phy->radio_ver != 0x2050)
+ b43legacy_phy_write(dev, 0x0026, 0xCE00);
+ b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1000);
+ b43legacy_phy_write(dev, 0x002A, 0x88A3);
+ if (phy->radio_ver != 0x2050)
+ b43legacy_phy_write(dev, 0x002A, 0x88C2);
+ b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF);
+ b43legacy_phy_init_pctl(dev);
+}
+
+static void b43legacy_phy_initb4(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 offset;
+ u16 val;
+
+ b43legacy_write16(dev, 0x03EC, 0x3F22);
+ b43legacy_phy_write(dev, 0x0020, 0x301C);
+ b43legacy_phy_write(dev, 0x0026, 0x0000);
+ b43legacy_phy_write(dev, 0x0030, 0x00C6);
+ b43legacy_phy_write(dev, 0x0088, 0x3E00);
+ val = 0x3C3D;
+ for (offset = 0x0089; offset < 0x00A7; offset++) {
+ b43legacy_phy_write(dev, offset, val);
+ val -= 0x0202;
+ }
+ b43legacy_phy_write(dev, 0x03E4, 0x3000);
+ b43legacy_radio_selectchannel(dev, phy->channel, 0);
+ if (phy->radio_ver != 0x2050) {
+ b43legacy_radio_write16(dev, 0x0075, 0x0080);
+ b43legacy_radio_write16(dev, 0x0079, 0x0081);
+ }
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x0050, 0x0023);
+ if (phy->radio_ver == 0x2050) {
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x005A, 0x0070);
+ b43legacy_radio_write16(dev, 0x005B, 0x007B);
+ b43legacy_radio_write16(dev, 0x005C, 0x00B0);
+ b43legacy_radio_write16(dev, 0x007A, 0x000F);
+ b43legacy_phy_write(dev, 0x0038, 0x0677);
+ b43legacy_radio_init2050(dev);
+ }
+ b43legacy_phy_write(dev, 0x0014, 0x0080);
+ b43legacy_phy_write(dev, 0x0032, 0x00CA);
+ if (phy->radio_ver == 0x2050)
+ b43legacy_phy_write(dev, 0x0032, 0x00E0);
+ b43legacy_phy_write(dev, 0x0035, 0x07C2);
+
+ b43legacy_phy_lo_b_measure(dev);
+
+ b43legacy_phy_write(dev, 0x0026, 0xCC00);
+ if (phy->radio_ver == 0x2050)
+ b43legacy_phy_write(dev, 0x0026, 0xCE00);
+ b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1100);
+ b43legacy_phy_write(dev, 0x002A, 0x88A3);
+ if (phy->radio_ver == 0x2050)
+ b43legacy_phy_write(dev, 0x002A, 0x88C2);
+ b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF);
+ if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI) {
+ b43legacy_calc_nrssi_slope(dev);
+ b43legacy_calc_nrssi_threshold(dev);
+ }
+ b43legacy_phy_init_pctl(dev);
+}
+
+static void b43legacy_phy_initb5(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 offset;
+ u16 value;
+ u8 old_channel;
+
+ if (phy->analog == 1)
+ b43legacy_radio_write16(dev, 0x007A,
+ b43legacy_radio_read16(dev, 0x007A)
+ | 0x0050);
+ if (!is_bcm_board_vendor(dev) &&
+ (dev->dev->bus->boardinfo.type != 0x0416)) {
+ value = 0x2120;
+ for (offset = 0x00A8 ; offset < 0x00C7; offset++) {
+ b43legacy_phy_write(dev, offset, value);
+ value += 0x0202;
+ }
+ }
+ b43legacy_phy_write(dev, 0x0035,
+ (b43legacy_phy_read(dev, 0x0035) & 0xF0FF)
+ | 0x0700);
+ if (phy->radio_ver == 0x2050)
+ b43legacy_phy_write(dev, 0x0038, 0x0667);
+
+ if (phy->gmode) {
+ if (phy->radio_ver == 0x2050) {
+ b43legacy_radio_write16(dev, 0x007A,
+ b43legacy_radio_read16(dev, 0x007A)
+ | 0x0020);
+ b43legacy_radio_write16(dev, 0x0051,
+ b43legacy_radio_read16(dev, 0x0051)
+ | 0x0004);
+ }
+ b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO, 0x0000);
+
+ b43legacy_phy_write(dev, 0x0802, b43legacy_phy_read(dev, 0x0802)
+ | 0x0100);
+ b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, 0x042B)
+ | 0x2000);
+
+ b43legacy_phy_write(dev, 0x001C, 0x186A);
+
+ b43legacy_phy_write(dev, 0x0013, (b43legacy_phy_read(dev,
+ 0x0013) & 0x00FF) | 0x1900);
+ b43legacy_phy_write(dev, 0x0035, (b43legacy_phy_read(dev,
+ 0x0035) & 0xFFC0) | 0x0064);
+ b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev,
+ 0x005D) & 0xFF80) | 0x000A);
+ b43legacy_phy_write(dev, 0x5B, 0x0000);
+ b43legacy_phy_write(dev, 0x5C, 0x0000);
+ }
+
+ if (dev->bad_frames_preempt)
+ b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD,
+ b43legacy_phy_read(dev,
+ B43legacy_PHY_RADIO_BITFIELD) | (1 << 12));
+
+ if (phy->analog == 1) {
+ b43legacy_phy_write(dev, 0x0026, 0xCE00);
+ b43legacy_phy_write(dev, 0x0021, 0x3763);
+ b43legacy_phy_write(dev, 0x0022, 0x1BC3);
+ b43legacy_phy_write(dev, 0x0023, 0x06F9);
+ b43legacy_phy_write(dev, 0x0024, 0x037E);
+ } else
+ b43legacy_phy_write(dev, 0x0026, 0xCC00);
+ b43legacy_phy_write(dev, 0x0030, 0x00C6);
+ b43legacy_write16(dev, 0x03EC, 0x3F22);
+
+ if (phy->analog == 1)
+ b43legacy_phy_write(dev, 0x0020, 0x3E1C);
+ else
+ b43legacy_phy_write(dev, 0x0020, 0x301C);
+
+ if (phy->analog == 0)
+ b43legacy_write16(dev, 0x03E4, 0x3000);
+
+ old_channel = (phy->channel == 0xFF) ? 1 : phy->channel;
+ /* Force to channel 7, even if not supported. */
+ b43legacy_radio_selectchannel(dev, 7, 0);
+
+ if (phy->radio_ver != 0x2050) {
+ b43legacy_radio_write16(dev, 0x0075, 0x0080);
+ b43legacy_radio_write16(dev, 0x0079, 0x0081);
+ }
+
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x0050, 0x0023);
+
+ if (phy->radio_ver == 0x2050) {
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x005A, 0x0070);
+ }
+
+ b43legacy_radio_write16(dev, 0x005B, 0x007B);
+ b43legacy_radio_write16(dev, 0x005C, 0x00B0);
+
+ b43legacy_radio_write16(dev, 0x007A, b43legacy_radio_read16(dev,
+ 0x007A) | 0x0007);
+
+ b43legacy_radio_selectchannel(dev, old_channel, 0);
+
+ b43legacy_phy_write(dev, 0x0014, 0x0080);
+ b43legacy_phy_write(dev, 0x0032, 0x00CA);
+ b43legacy_phy_write(dev, 0x002A, 0x88A3);
+
+ b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF);
+
+ if (phy->radio_ver == 0x2050)
+ b43legacy_radio_write16(dev, 0x005D, 0x000D);
+
+ b43legacy_write16(dev, 0x03E4, (b43legacy_read16(dev, 0x03E4) &
+ 0xFFC0) | 0x0004);
+}
+
+static void b43legacy_phy_initb6(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 offset;
+ u16 val;
+ u8 old_channel;
+
+ b43legacy_phy_write(dev, 0x003E, 0x817A);
+ b43legacy_radio_write16(dev, 0x007A,
+ (b43legacy_radio_read16(dev, 0x007A) | 0x0058));
+ if (phy->radio_rev == 4 ||
+ phy->radio_rev == 5) {
+ b43legacy_radio_write16(dev, 0x0051, 0x0037);
+ b43legacy_radio_write16(dev, 0x0052, 0x0070);
+ b43legacy_radio_write16(dev, 0x0053, 0x00B3);
+ b43legacy_radio_write16(dev, 0x0054, 0x009B);
+ b43legacy_radio_write16(dev, 0x005A, 0x0088);
+ b43legacy_radio_write16(dev, 0x005B, 0x0088);
+ b43legacy_radio_write16(dev, 0x005D, 0x0088);
+ b43legacy_radio_write16(dev, 0x005E, 0x0088);
+ b43legacy_radio_write16(dev, 0x007D, 0x0088);
+ b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET,
+ (b43legacy_shm_read32(dev,
+ B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET)
+ | 0x00000200));
+ }
+ if (phy->radio_rev == 8) {
+ b43legacy_radio_write16(dev, 0x0051, 0x0000);
+ b43legacy_radio_write16(dev, 0x0052, 0x0040);
+ b43legacy_radio_write16(dev, 0x0053, 0x00B7);
+ b43legacy_radio_write16(dev, 0x0054, 0x0098);
+ b43legacy_radio_write16(dev, 0x005A, 0x0088);
+ b43legacy_radio_write16(dev, 0x005B, 0x006B);
+ b43legacy_radio_write16(dev, 0x005C, 0x000F);
+ if (dev->dev->bus->sprom.boardflags_lo & 0x8000) {
+ b43legacy_radio_write16(dev, 0x005D, 0x00FA);
+ b43legacy_radio_write16(dev, 0x005E, 0x00D8);
+ } else {
+ b43legacy_radio_write16(dev, 0x005D, 0x00F5);
+ b43legacy_radio_write16(dev, 0x005E, 0x00B8);
+ }
+ b43legacy_radio_write16(dev, 0x0073, 0x0003);
+ b43legacy_radio_write16(dev, 0x007D, 0x00A8);
+ b43legacy_radio_write16(dev, 0x007C, 0x0001);
+ b43legacy_radio_write16(dev, 0x007E, 0x0008);
+ }
+ val = 0x1E1F;
+ for (offset = 0x0088; offset < 0x0098; offset++) {
+ b43legacy_phy_write(dev, offset, val);
+ val -= 0x0202;
+ }
+ val = 0x3E3F;
+ for (offset = 0x0098; offset < 0x00A8; offset++) {
+ b43legacy_phy_write(dev, offset, val);
+ val -= 0x0202;
+ }
+ val = 0x2120;
+ for (offset = 0x00A8; offset < 0x00C8; offset++) {
+ b43legacy_phy_write(dev, offset, (val & 0x3F3F));
+ val += 0x0202;
+ }
+ if (phy->type == B43legacy_PHYTYPE_G) {
+ b43legacy_radio_write16(dev, 0x007A,
+ b43legacy_radio_read16(dev, 0x007A) |
+ 0x0020);
+ b43legacy_radio_write16(dev, 0x0051,
+ b43legacy_radio_read16(dev, 0x0051) |
+ 0x0004);
+ b43legacy_phy_write(dev, 0x0802,
+ b43legacy_phy_read(dev, 0x0802) | 0x0100);
+ b43legacy_phy_write(dev, 0x042B,
+ b43legacy_phy_read(dev, 0x042B) | 0x2000);
+ b43legacy_phy_write(dev, 0x5B, 0x0000);
+ b43legacy_phy_write(dev, 0x5C, 0x0000);
+ }
+
+ old_channel = phy->channel;
+ if (old_channel >= 8)
+ b43legacy_radio_selectchannel(dev, 1, 0);
+ else
+ b43legacy_radio_selectchannel(dev, 13, 0);
+
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x0050, 0x0023);
+ udelay(40);
+ if (phy->radio_rev < 6 || phy->radio_rev == 8) {
+ b43legacy_radio_write16(dev, 0x007C,
+ (b43legacy_radio_read16(dev, 0x007C)
+ | 0x0002));
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ }
+ if (phy->radio_rev <= 2) {
+ b43legacy_radio_write16(dev, 0x0050, 0x0020);
+ b43legacy_radio_write16(dev, 0x005A, 0x0070);
+ b43legacy_radio_write16(dev, 0x005B, 0x007B);
+ b43legacy_radio_write16(dev, 0x005C, 0x00B0);
+ }
+ b43legacy_radio_write16(dev, 0x007A,
+ (b43legacy_radio_read16(dev,
+ 0x007A) & 0x00F8) | 0x0007);
+
+ b43legacy_radio_selectchannel(dev, old_channel, 0);
+
+ b43legacy_phy_write(dev, 0x0014, 0x0200);
+ if (phy->radio_rev >= 6)
+ b43legacy_phy_write(dev, 0x002A, 0x88C2);
+ else
+ b43legacy_phy_write(dev, 0x002A, 0x8AC0);
+ b43legacy_phy_write(dev, 0x0038, 0x0668);
+ b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF);
+ if (phy->radio_rev == 4 || phy->radio_rev == 5)
+ b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev,
+ 0x005D) & 0xFF80) | 0x0003);
+ if (phy->radio_rev <= 2)
+ b43legacy_radio_write16(dev, 0x005D, 0x000D);
+
+ if (phy->analog == 4) {
+ b43legacy_write16(dev, 0x03E4, 0x0009);
+ b43legacy_phy_write(dev, 0x61, b43legacy_phy_read(dev, 0x61)
+ & 0xFFF);
+ } else
+ b43legacy_phy_write(dev, 0x0002, (b43legacy_phy_read(dev,
+ 0x0002) & 0xFFC0) | 0x0004);
+ if (phy->type == B43legacy_PHYTYPE_G)
+ b43legacy_write16(dev, 0x03E6, 0x0);
+ if (phy->type == B43legacy_PHYTYPE_B) {
+ b43legacy_write16(dev, 0x03E6, 0x8140);
+ b43legacy_phy_write(dev, 0x0016, 0x0410);
+ b43legacy_phy_write(dev, 0x0017, 0x0820);
+ b43legacy_phy_write(dev, 0x0062, 0x0007);
+ b43legacy_radio_init2050(dev);
+ b43legacy_phy_lo_g_measure(dev);
+ if (dev->dev->bus->sprom.boardflags_lo &
+ B43legacy_BFL_RSSI) {
+ b43legacy_calc_nrssi_slope(dev);
+ b43legacy_calc_nrssi_threshold(dev);
+ }
+ b43legacy_phy_init_pctl(dev);
+ }
+}
+
+static void b43legacy_calc_loopback_gain(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 backup_phy[15] = {0};
+ u16 backup_radio[3];
+ u16 backup_bband;
+ u16 i;
+ u16 loop1_cnt;
+ u16 loop1_done;
+ u16 loop1_omitted;
+ u16 loop2_done;
+
+ backup_phy[0] = b43legacy_phy_read(dev, 0x0429);
+ backup_phy[1] = b43legacy_phy_read(dev, 0x0001);
+ backup_phy[2] = b43legacy_phy_read(dev, 0x0811);
+ backup_phy[3] = b43legacy_phy_read(dev, 0x0812);
+ if (phy->rev != 1) {
+ backup_phy[4] = b43legacy_phy_read(dev, 0x0814);
+ backup_phy[5] = b43legacy_phy_read(dev, 0x0815);
+ }
+ backup_phy[6] = b43legacy_phy_read(dev, 0x005A);
+ backup_phy[7] = b43legacy_phy_read(dev, 0x0059);
+ backup_phy[8] = b43legacy_phy_read(dev, 0x0058);
+ backup_phy[9] = b43legacy_phy_read(dev, 0x000A);
+ backup_phy[10] = b43legacy_phy_read(dev, 0x0003);
+ backup_phy[11] = b43legacy_phy_read(dev, 0x080F);
+ backup_phy[12] = b43legacy_phy_read(dev, 0x0810);
+ backup_phy[13] = b43legacy_phy_read(dev, 0x002B);
+ backup_phy[14] = b43legacy_phy_read(dev, 0x0015);
+ b43legacy_phy_read(dev, 0x002D); /* dummy read */
+ backup_bband = phy->bbatt;
+ backup_radio[0] = b43legacy_radio_read16(dev, 0x0052);
+ backup_radio[1] = b43legacy_radio_read16(dev, 0x0043);
+ backup_radio[2] = b43legacy_radio_read16(dev, 0x007A);
+
+ b43legacy_phy_write(dev, 0x0429,
+ b43legacy_phy_read(dev, 0x0429) & 0x3FFF);
+ b43legacy_phy_write(dev, 0x0001,
+ b43legacy_phy_read(dev, 0x0001) & 0x8000);
+ b43legacy_phy_write(dev, 0x0811,
+ b43legacy_phy_read(dev, 0x0811) | 0x0002);
+ b43legacy_phy_write(dev, 0x0812,
+ b43legacy_phy_read(dev, 0x0812) & 0xFFFD);
+ b43legacy_phy_write(dev, 0x0811,
+ b43legacy_phy_read(dev, 0x0811) | 0x0001);
+ b43legacy_phy_write(dev, 0x0812,
+ b43legacy_phy_read(dev, 0x0812) & 0xFFFE);
+ if (phy->rev != 1) {
+ b43legacy_phy_write(dev, 0x0814,
+ b43legacy_phy_read(dev, 0x0814) | 0x0001);
+ b43legacy_phy_write(dev, 0x0815,
+ b43legacy_phy_read(dev, 0x0815) & 0xFFFE);
+ b43legacy_phy_write(dev, 0x0814,
+ b43legacy_phy_read(dev, 0x0814) | 0x0002);
+ b43legacy_phy_write(dev, 0x0815,
+ b43legacy_phy_read(dev, 0x0815) & 0xFFFD);
+ }
+ b43legacy_phy_write(dev, 0x0811, b43legacy_phy_read(dev, 0x0811) |
+ 0x000C);
+ b43legacy_phy_write(dev, 0x0812, b43legacy_phy_read(dev, 0x0812) |
+ 0x000C);
+
+ b43legacy_phy_write(dev, 0x0811, (b43legacy_phy_read(dev, 0x0811)
+ & 0xFFCF) | 0x0030);
+ b43legacy_phy_write(dev, 0x0812, (b43legacy_phy_read(dev, 0x0812)
+ & 0xFFCF) | 0x0010);
+
+ b43legacy_phy_write(dev, 0x005A, 0x0780);
+ b43legacy_phy_write(dev, 0x0059, 0xC810);
+ b43legacy_phy_write(dev, 0x0058, 0x000D);
+ if (phy->analog == 0)
+ b43legacy_phy_write(dev, 0x0003, 0x0122);
+ else
+ b43legacy_phy_write(dev, 0x000A,
+ b43legacy_phy_read(dev, 0x000A)
+ | 0x2000);
+ if (phy->rev != 1) {
+ b43legacy_phy_write(dev, 0x0814,
+ b43legacy_phy_read(dev, 0x0814) | 0x0004);
+ b43legacy_phy_write(dev, 0x0815,
+ b43legacy_phy_read(dev, 0x0815) & 0xFFFB);
+ }
+ b43legacy_phy_write(dev, 0x0003,
+ (b43legacy_phy_read(dev, 0x0003)
+ & 0xFF9F) | 0x0040);
+ if (phy->radio_ver == 0x2050 && phy->radio_rev == 2) {
+ b43legacy_radio_write16(dev, 0x0052, 0x0000);
+ b43legacy_radio_write16(dev, 0x0043,
+ (b43legacy_radio_read16(dev, 0x0043)
+ & 0xFFF0) | 0x0009);
+ loop1_cnt = 9;
+ } else if (phy->radio_rev == 8) {
+ b43legacy_radio_write16(dev, 0x0043, 0x000F);
+ loop1_cnt = 15;
+ } else
+ loop1_cnt = 0;
+
+ b43legacy_phy_set_baseband_attenuation(dev, 11);
+
+ if (phy->rev >= 3)
+ b43legacy_phy_write(dev, 0x080F, 0xC020);
+ else
+ b43legacy_phy_write(dev, 0x080F, 0x8020);
+ b43legacy_phy_write(dev, 0x0810, 0x0000);
+
+ b43legacy_phy_write(dev, 0x002B,
+ (b43legacy_phy_read(dev, 0x002B)
+ & 0xFFC0) | 0x0001);
+ b43legacy_phy_write(dev, 0x002B,
+ (b43legacy_phy_read(dev, 0x002B)
+ & 0xC0FF) | 0x0800);
+ b43legacy_phy_write(dev, 0x0811,
+ b43legacy_phy_read(dev, 0x0811) | 0x0100);
+ b43legacy_phy_write(dev, 0x0812,
+ b43legacy_phy_read(dev, 0x0812) & 0xCFFF);
+ if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_EXTLNA) {
+ if (phy->rev >= 7) {
+ b43legacy_phy_write(dev, 0x0811,
+ b43legacy_phy_read(dev, 0x0811)
+ | 0x0800);
+ b43legacy_phy_write(dev, 0x0812,
+ b43legacy_phy_read(dev, 0x0812)
+ | 0x8000);
+ }
+ }
+ b43legacy_radio_write16(dev, 0x007A,
+ b43legacy_radio_read16(dev, 0x007A)
+ & 0x00F7);
+
+ for (i = 0; i < loop1_cnt; i++) {
+ b43legacy_radio_write16(dev, 0x0043, loop1_cnt);
+ b43legacy_phy_write(dev, 0x0812,
+ (b43legacy_phy_read(dev, 0x0812)
+ & 0xF0FF) | (i << 8));
+ b43legacy_phy_write(dev, 0x0015,
+ (b43legacy_phy_read(dev, 0x0015)
+ & 0x0FFF) | 0xA000);
+ b43legacy_phy_write(dev, 0x0015,
+ (b43legacy_phy_read(dev, 0x0015)
+ & 0x0FFF) | 0xF000);
+ udelay(20);
+ if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC)
+ break;
+ }
+ loop1_done = i;
+ loop1_omitted = loop1_cnt - loop1_done;
+
+ loop2_done = 0;
+ if (loop1_done >= 8) {
+ b43legacy_phy_write(dev, 0x0812,
+ b43legacy_phy_read(dev, 0x0812)
+ | 0x0030);
+ for (i = loop1_done - 8; i < 16; i++) {
+ b43legacy_phy_write(dev, 0x0812,
+ (b43legacy_phy_read(dev, 0x0812)
+ & 0xF0FF) | (i << 8));
+ b43legacy_phy_write(dev, 0x0015,
+ (b43legacy_phy_read(dev, 0x0015)
+ & 0x0FFF) | 0xA000);
+ b43legacy_phy_write(dev, 0x0015,
+ (b43legacy_phy_read(dev, 0x0015)
+ & 0x0FFF) | 0xF000);
+ udelay(20);
+ if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC)
+ break;
+ }
+ }
+
+ if (phy->rev != 1) {
+ b43legacy_phy_write(dev, 0x0814, backup_phy[4]);
+ b43legacy_phy_write(dev, 0x0815, backup_phy[5]);
+ }
+ b43legacy_phy_write(dev, 0x005A, backup_phy[6]);
+ b43legacy_phy_write(dev, 0x0059, backup_phy[7]);
+ b43legacy_phy_write(dev, 0x0058, backup_phy[8]);
+ b43legacy_phy_write(dev, 0x000A, backup_phy[9]);
+ b43legacy_phy_write(dev, 0x0003, backup_phy[10]);
+ b43legacy_phy_write(dev, 0x080F, backup_phy[11]);
+ b43legacy_phy_write(dev, 0x0810, backup_phy[12]);
+ b43legacy_phy_write(dev, 0x002B, backup_phy[13]);
+ b43legacy_phy_write(dev, 0x0015, backup_phy[14]);
+
+ b43legacy_phy_set_baseband_attenuation(dev, backup_bband);
+
+ b43legacy_radio_write16(dev, 0x0052, backup_radio[0]);
+ b43legacy_radio_write16(dev, 0x0043, backup_radio[1]);
+ b43legacy_radio_write16(dev, 0x007A, backup_radio[2]);
+
+ b43legacy_phy_write(dev, 0x0811, backup_phy[2] | 0x0003);
+ udelay(10);
+ b43legacy_phy_write(dev, 0x0811, backup_phy[2]);
+ b43legacy_phy_write(dev, 0x0812, backup_phy[3]);
+ b43legacy_phy_write(dev, 0x0429, backup_phy[0]);
+ b43legacy_phy_write(dev, 0x0001, backup_phy[1]);
+
+ phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11;
+ phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2;
+}
+
+static void b43legacy_phy_initg(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 tmp;
+
+ if (phy->rev == 1)
+ b43legacy_phy_initb5(dev);
+ else
+ b43legacy_phy_initb6(dev);
+ if (phy->rev >= 2 && phy->gmode)
+ b43legacy_phy_inita(dev);
+
+ if (phy->rev >= 2) {
+ b43legacy_phy_write(dev, 0x0814, 0x0000);
+ b43legacy_phy_write(dev, 0x0815, 0x0000);
+ }
+ if (phy->rev == 2) {
+ b43legacy_phy_write(dev, 0x0811, 0x0000);
+ b43legacy_phy_write(dev, 0x0015, 0x00C0);
+ }
+ if (phy->rev > 5) {
+ b43legacy_phy_write(dev, 0x0811, 0x0400);
+ b43legacy_phy_write(dev, 0x0015, 0x00C0);
+ }
+ if (phy->gmode) {
+ tmp = b43legacy_phy_read(dev, 0x0400) & 0xFF;
+ if (tmp == 3) {
+ b43legacy_phy_write(dev, 0x04C2, 0x1816);
+ b43legacy_phy_write(dev, 0x04C3, 0x8606);
+ }
+ if (tmp == 4 || tmp == 5) {
+ b43legacy_phy_write(dev, 0x04C2, 0x1816);
+ b43legacy_phy_write(dev, 0x04C3, 0x8006);
+ b43legacy_phy_write(dev, 0x04CC,
+ (b43legacy_phy_read(dev,
+ 0x04CC) & 0x00FF) |
+ 0x1F00);
+ }
+ if (phy->rev >= 2)
+ b43legacy_phy_write(dev, 0x047E, 0x0078);
+ }
+ if (phy->radio_rev == 8) {
+ b43legacy_phy_write(dev, 0x0801, b43legacy_phy_read(dev, 0x0801)
+ | 0x0080);
+ b43legacy_phy_write(dev, 0x043E, b43legacy_phy_read(dev, 0x043E)
+ | 0x0004);
+ }
+ if (phy->rev >= 2 && phy->gmode)
+ b43legacy_calc_loopback_gain(dev);
+ if (phy->radio_rev != 8) {
+ if (phy->initval == 0xFFFF)
+ phy->initval = b43legacy_radio_init2050(dev);
+ else
+ b43legacy_radio_write16(dev, 0x0078, phy->initval);
+ }
+ if (phy->txctl2 == 0xFFFF)
+ b43legacy_phy_lo_g_measure(dev);
+ else {
+ if (phy->radio_ver == 0x2050 && phy->radio_rev == 8)
+ b43legacy_radio_write16(dev, 0x0052,
+ (phy->txctl1 << 4) |
+ phy->txctl2);
+ else
+ b43legacy_radio_write16(dev, 0x0052,
+ (b43legacy_radio_read16(dev,
+ 0x0052) & 0xFFF0) |
+ phy->txctl1);
+ if (phy->rev >= 6)
+ b43legacy_phy_write(dev, 0x0036,
+ (b43legacy_phy_read(dev, 0x0036)
+ & 0x0FFF) | (phy->txctl2 << 12));
+ if (dev->dev->bus->sprom.boardflags_lo &
+ B43legacy_BFL_PACTRL)
+ b43legacy_phy_write(dev, 0x002E, 0x8075);
+ else
+ b43legacy_phy_write(dev, 0x002E, 0x807F);
+ if (phy->rev < 2)
+ b43legacy_phy_write(dev, 0x002F, 0x0101);
+ else
+ b43legacy_phy_write(dev, 0x002F, 0x0202);
+ }
+ if (phy->gmode) {
+ b43legacy_phy_lo_adjust(dev, 0);
+ b43legacy_phy_write(dev, 0x080F, 0x8078);
+ }
+
+ if (!(dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI)) {
+ /* The specs state to update the NRSSI LT with
+ * the value 0x7FFFFFFF here. I think that is some weird
+ * compiler optimization in the original driver.
+ * Essentially, what we do here is resetting all NRSSI LT
+ * entries to -32 (see the clamp_val() in nrssi_hw_update())
+ */
+ b43legacy_nrssi_hw_update(dev, 0xFFFF);
+ b43legacy_calc_nrssi_threshold(dev);
+ } else if (phy->gmode || phy->rev >= 2) {
+ if (phy->nrssi[0] == -1000) {
+ B43legacy_WARN_ON(phy->nrssi[1] != -1000);
+ b43legacy_calc_nrssi_slope(dev);
+ } else {
+ B43legacy_WARN_ON(phy->nrssi[1] == -1000);
+ b43legacy_calc_nrssi_threshold(dev);
+ }
+ }
+ if (phy->radio_rev == 8)
+ b43legacy_phy_write(dev, 0x0805, 0x3230);
+ b43legacy_phy_init_pctl(dev);
+ if (dev->dev->bus->chip_id == 0x4306
+ && dev->dev->bus->chip_package == 2) {
+ b43legacy_phy_write(dev, 0x0429,
+ b43legacy_phy_read(dev, 0x0429) & 0xBFFF);
+ b43legacy_phy_write(dev, 0x04C3,
+ b43legacy_phy_read(dev, 0x04C3) & 0x7FFF);
+ }
+}
+
+static u16 b43legacy_phy_lo_b_r15_loop(struct b43legacy_wldev *dev)
+{
+ int i;
+ u16 ret = 0;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ for (i = 0; i < 10; i++) {
+ b43legacy_phy_write(dev, 0x0015, 0xAFA0);
+ udelay(1);
+ b43legacy_phy_write(dev, 0x0015, 0xEFA0);
+ udelay(10);
+ b43legacy_phy_write(dev, 0x0015, 0xFFA0);
+ udelay(40);
+ ret += b43legacy_phy_read(dev, 0x002C);
+ }
+ local_irq_restore(flags);
+ b43legacy_voluntary_preempt();
+
+ return ret;
+}
+
+void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 regstack[12] = { 0 };
+ u16 mls;
+ u16 fval;
+ int i;
+ int j;
+
+ regstack[0] = b43legacy_phy_read(dev, 0x0015);
+ regstack[1] = b43legacy_radio_read16(dev, 0x0052) & 0xFFF0;
+
+ if (phy->radio_ver == 0x2053) {
+ regstack[2] = b43legacy_phy_read(dev, 0x000A);
+ regstack[3] = b43legacy_phy_read(dev, 0x002A);
+ regstack[4] = b43legacy_phy_read(dev, 0x0035);
+ regstack[5] = b43legacy_phy_read(dev, 0x0003);
+ regstack[6] = b43legacy_phy_read(dev, 0x0001);
+ regstack[7] = b43legacy_phy_read(dev, 0x0030);
+
+ regstack[8] = b43legacy_radio_read16(dev, 0x0043);
+ regstack[9] = b43legacy_radio_read16(dev, 0x007A);
+ regstack[10] = b43legacy_read16(dev, 0x03EC);
+ regstack[11] = b43legacy_radio_read16(dev, 0x0052) & 0x00F0;
+
+ b43legacy_phy_write(dev, 0x0030, 0x00FF);
+ b43legacy_write16(dev, 0x03EC, 0x3F3F);
+ b43legacy_phy_write(dev, 0x0035, regstack[4] & 0xFF7F);
+ b43legacy_radio_write16(dev, 0x007A, regstack[9] & 0xFFF0);
+ }
+ b43legacy_phy_write(dev, 0x0015, 0xB000);
+ b43legacy_phy_write(dev, 0x002B, 0x0004);
+
+ if (phy->radio_ver == 0x2053) {
+ b43legacy_phy_write(dev, 0x002B, 0x0203);
+ b43legacy_phy_write(dev, 0x002A, 0x08A3);
+ }
+
+ phy->minlowsig[0] = 0xFFFF;
+
+ for (i = 0; i < 4; i++) {
+ b43legacy_radio_write16(dev, 0x0052, regstack[1] | i);
+ b43legacy_phy_lo_b_r15_loop(dev);
+ }
+ for (i = 0; i < 10; i++) {
+ b43legacy_radio_write16(dev, 0x0052, regstack[1] | i);
+ mls = b43legacy_phy_lo_b_r15_loop(dev) / 10;
+ if (mls < phy->minlowsig[0]) {
+ phy->minlowsig[0] = mls;
+ phy->minlowsigpos[0] = i;
+ }
+ }
+ b43legacy_radio_write16(dev, 0x0052, regstack[1]
+ | phy->minlowsigpos[0]);
+
+ phy->minlowsig[1] = 0xFFFF;
+
+ for (i = -4; i < 5; i += 2) {
+ for (j = -4; j < 5; j += 2) {
+ if (j < 0)
+ fval = (0x0100 * i) + j + 0x0100;
+ else
+ fval = (0x0100 * i) + j;
+ b43legacy_phy_write(dev, 0x002F, fval);
+ mls = b43legacy_phy_lo_b_r15_loop(dev) / 10;
+ if (mls < phy->minlowsig[1]) {
+ phy->minlowsig[1] = mls;
+ phy->minlowsigpos[1] = fval;
+ }
+ }
+ }
+ phy->minlowsigpos[1] += 0x0101;
+
+ b43legacy_phy_write(dev, 0x002F, phy->minlowsigpos[1]);
+ if (phy->radio_ver == 0x2053) {
+ b43legacy_phy_write(dev, 0x000A, regstack[2]);
+ b43legacy_phy_write(dev, 0x002A, regstack[3]);
+ b43legacy_phy_write(dev, 0x0035, regstack[4]);
+ b43legacy_phy_write(dev, 0x0003, regstack[5]);
+ b43legacy_phy_write(dev, 0x0001, regstack[6]);
+ b43legacy_phy_write(dev, 0x0030, regstack[7]);
+
+ b43legacy_radio_write16(dev, 0x0043, regstack[8]);
+ b43legacy_radio_write16(dev, 0x007A, regstack[9]);
+
+ b43legacy_radio_write16(dev, 0x0052,
+ (b43legacy_radio_read16(dev, 0x0052)
+ & 0x000F) | regstack[11]);
+
+ b43legacy_write16(dev, 0x03EC, regstack[10]);
+ }
+ b43legacy_phy_write(dev, 0x0015, regstack[0]);
+}
+
+static inline
+u16 b43legacy_phy_lo_g_deviation_subval(struct b43legacy_wldev *dev,
+ u16 control)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 ret;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (phy->gmode) {
+ b43legacy_phy_write(dev, 0x15, 0xE300);
+ control <<= 8;
+ b43legacy_phy_write(dev, 0x0812, control | 0x00B0);
+ udelay(5);
+ b43legacy_phy_write(dev, 0x0812, control | 0x00B2);
+ udelay(2);
+ b43legacy_phy_write(dev, 0x0812, control | 0x00B3);
+ udelay(4);
+ b43legacy_phy_write(dev, 0x0015, 0xF300);
+ udelay(8);
+ } else {
+ b43legacy_phy_write(dev, 0x0015, control | 0xEFA0);
+ udelay(2);
+ b43legacy_phy_write(dev, 0x0015, control | 0xEFE0);
+ udelay(4);
+ b43legacy_phy_write(dev, 0x0015, control | 0xFFE0);
+ udelay(8);
+ }
+ ret = b43legacy_phy_read(dev, 0x002D);
+ local_irq_restore(flags);
+ b43legacy_voluntary_preempt();
+
+ return ret;
+}
+
+static u32 b43legacy_phy_lo_g_singledeviation(struct b43legacy_wldev *dev,
+ u16 control)
+{
+ int i;
+ u32 ret = 0;
+
+ for (i = 0; i < 8; i++)
+ ret += b43legacy_phy_lo_g_deviation_subval(dev, control);
+
+ return ret;
+}
+
+/* Write the LocalOscillator CONTROL */
+static inline
+void b43legacy_lo_write(struct b43legacy_wldev *dev,
+ struct b43legacy_lopair *pair)
+{
+ u16 value;
+
+ value = (u8)(pair->low);
+ value |= ((u8)(pair->high)) << 8;
+
+#ifdef CONFIG_B43LEGACY_DEBUG
+ /* Sanity check. */
+ if (pair->low < -8 || pair->low > 8 ||
+ pair->high < -8 || pair->high > 8) {
+ b43legacydbg(dev->wl,
+ "WARNING: Writing invalid LOpair "
+ "(low: %d, high: %d)\n",
+ pair->low, pair->high);
+ dump_stack();
+ }
+#endif
+
+ b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, value);
+}
+
+static inline
+struct b43legacy_lopair *b43legacy_find_lopair(struct b43legacy_wldev *dev,
+ u16 bbatt,
+ u16 rfatt,
+ u16 tx)
+{
+ static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 };
+ struct b43legacy_phy *phy = &dev->phy;
+
+ if (bbatt > 6)
+ bbatt = 6;
+ B43legacy_WARN_ON(rfatt >= 10);
+
+ if (tx == 3)
+ return b43legacy_get_lopair(phy, rfatt, bbatt);
+ return b43legacy_get_lopair(phy, dict[rfatt], bbatt);
+}
+
+static inline
+struct b43legacy_lopair *b43legacy_current_lopair(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+
+ return b43legacy_find_lopair(dev, phy->bbatt,
+ phy->rfatt, phy->txctl1);
+}
+
+/* Adjust B/G LO */
+void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed)
+{
+ struct b43legacy_lopair *pair;
+
+ if (fixed) {
+ /* Use fixed values. Only for initialization. */
+ pair = b43legacy_find_lopair(dev, 2, 3, 0);
+ } else
+ pair = b43legacy_current_lopair(dev);
+ b43legacy_lo_write(dev, pair);
+}
+
+static void b43legacy_phy_lo_g_measure_txctl2(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 txctl2 = 0;
+ u16 i;
+ u32 smallest;
+ u32 tmp;
+
+ b43legacy_radio_write16(dev, 0x0052, 0x0000);
+ udelay(10);
+ smallest = b43legacy_phy_lo_g_singledeviation(dev, 0);
+ for (i = 0; i < 16; i++) {
+ b43legacy_radio_write16(dev, 0x0052, i);
+ udelay(10);
+ tmp = b43legacy_phy_lo_g_singledeviation(dev, 0);
+ if (tmp < smallest) {
+ smallest = tmp;
+ txctl2 = i;
+ }
+ }
+ phy->txctl2 = txctl2;
+}
+
+static
+void b43legacy_phy_lo_g_state(struct b43legacy_wldev *dev,
+ const struct b43legacy_lopair *in_pair,
+ struct b43legacy_lopair *out_pair,
+ u16 r27)
+{
+ static const struct b43legacy_lopair transitions[8] = {
+ { .high = 1, .low = 1, },
+ { .high = 1, .low = 0, },
+ { .high = 1, .low = -1, },
+ { .high = 0, .low = -1, },
+ { .high = -1, .low = -1, },
+ { .high = -1, .low = 0, },
+ { .high = -1, .low = 1, },
+ { .high = 0, .low = 1, },
+ };
+ struct b43legacy_lopair lowest_transition = {
+ .high = in_pair->high,
+ .low = in_pair->low,
+ };
+ struct b43legacy_lopair tmp_pair;
+ struct b43legacy_lopair transition;
+ int i = 12;
+ int state = 0;
+ int found_lower;
+ int j;
+ int begin;
+ int end;
+ u32 lowest_deviation;
+ u32 tmp;
+
+ /* Note that in_pair and out_pair can point to the same pair.
+ * Be careful. */
+
+ b43legacy_lo_write(dev, &lowest_transition);
+ lowest_deviation = b43legacy_phy_lo_g_singledeviation(dev, r27);
+ do {
+ found_lower = 0;
+ B43legacy_WARN_ON(!(state >= 0 && state <= 8));
+ if (state == 0) {
+ begin = 1;
+ end = 8;
+ } else if (state % 2 == 0) {
+ begin = state - 1;
+ end = state + 1;
+ } else {
+ begin = state - 2;
+ end = state + 2;
+ }
+ if (begin < 1)
+ begin += 8;
+ if (end > 8)
+ end -= 8;
+
+ j = begin;
+ tmp_pair.high = lowest_transition.high;
+ tmp_pair.low = lowest_transition.low;
+ while (1) {
+ B43legacy_WARN_ON(!(j >= 1 && j <= 8));
+ transition.high = tmp_pair.high +
+ transitions[j - 1].high;
+ transition.low = tmp_pair.low + transitions[j - 1].low;
+ if ((abs(transition.low) < 9)
+ && (abs(transition.high) < 9)) {
+ b43legacy_lo_write(dev, &transition);
+ tmp = b43legacy_phy_lo_g_singledeviation(dev,
+ r27);
+ if (tmp < lowest_deviation) {
+ lowest_deviation = tmp;
+ state = j;
+ found_lower = 1;
+
+ lowest_transition.high =
+ transition.high;
+ lowest_transition.low = transition.low;
+ }
+ }
+ if (j == end)
+ break;
+ if (j == 8)
+ j = 1;
+ else
+ j++;
+ }
+ } while (i-- && found_lower);
+
+ out_pair->high = lowest_transition.high;
+ out_pair->low = lowest_transition.low;
+}
+
+/* Set the baseband attenuation value on chip. */
+void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev,
+ u16 bbatt)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 value;
+
+ if (phy->analog == 0) {
+ value = (b43legacy_read16(dev, 0x03E6) & 0xFFF0);
+ value |= (bbatt & 0x000F);
+ b43legacy_write16(dev, 0x03E6, value);
+ return;
+ }
+
+ if (phy->analog > 1) {
+ value = b43legacy_phy_read(dev, 0x0060) & 0xFFC3;
+ value |= (bbatt << 2) & 0x003C;
+ } else {
+ value = b43legacy_phy_read(dev, 0x0060) & 0xFF87;
+ value |= (bbatt << 3) & 0x0078;
+ }
+ b43legacy_phy_write(dev, 0x0060, value);
+}
+
+/* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */
+void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev)
+{
+ static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 };
+ const int is_initializing = (b43legacy_status(dev)
+ < B43legacy_STAT_STARTED);
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 h;
+ u16 i;
+ u16 oldi = 0;
+ u16 j;
+ struct b43legacy_lopair control;
+ struct b43legacy_lopair *tmp_control;
+ u16 tmp;
+ u16 regstack[16] = { 0 };
+ u8 oldchannel;
+
+ /* XXX: What are these? */
+ u8 r27 = 0;
+ u16 r31;
+
+ oldchannel = phy->channel;
+ /* Setup */
+ if (phy->gmode) {
+ regstack[0] = b43legacy_phy_read(dev, B43legacy_PHY_G_CRS);
+ regstack[1] = b43legacy_phy_read(dev, 0x0802);
+ b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0]
+ & 0x7FFF);
+ b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC);
+ }
+ regstack[3] = b43legacy_read16(dev, 0x03E2);
+ b43legacy_write16(dev, 0x03E2, regstack[3] | 0x8000);
+ regstack[4] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT);
+ regstack[5] = b43legacy_phy_read(dev, 0x15);
+ regstack[6] = b43legacy_phy_read(dev, 0x2A);
+ regstack[7] = b43legacy_phy_read(dev, 0x35);
+ regstack[8] = b43legacy_phy_read(dev, 0x60);
+ regstack[9] = b43legacy_radio_read16(dev, 0x43);
+ regstack[10] = b43legacy_radio_read16(dev, 0x7A);
+ regstack[11] = b43legacy_radio_read16(dev, 0x52);
+ if (phy->gmode) {
+ regstack[12] = b43legacy_phy_read(dev, 0x0811);
+ regstack[13] = b43legacy_phy_read(dev, 0x0812);
+ regstack[14] = b43legacy_phy_read(dev, 0x0814);
+ regstack[15] = b43legacy_phy_read(dev, 0x0815);
+ }
+ b43legacy_radio_selectchannel(dev, 6, 0);
+ if (phy->gmode) {
+ b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0]
+ & 0x7FFF);
+ b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC);
+ b43legacy_dummy_transmission(dev);
+ }
+ b43legacy_radio_write16(dev, 0x0043, 0x0006);
+
+ b43legacy_phy_set_baseband_attenuation(dev, 2);
+
+ b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x0000);
+ b43legacy_phy_write(dev, 0x002E, 0x007F);
+ b43legacy_phy_write(dev, 0x080F, 0x0078);
+ b43legacy_phy_write(dev, 0x0035, regstack[7] & ~(1 << 7));
+ b43legacy_radio_write16(dev, 0x007A, regstack[10] & 0xFFF0);
+ b43legacy_phy_write(dev, 0x002B, 0x0203);
+ b43legacy_phy_write(dev, 0x002A, 0x08A3);
+ if (phy->gmode) {
+ b43legacy_phy_write(dev, 0x0814, regstack[14] | 0x0003);
+ b43legacy_phy_write(dev, 0x0815, regstack[15] & 0xFFFC);
+ b43legacy_phy_write(dev, 0x0811, 0x01B3);
+ b43legacy_phy_write(dev, 0x0812, 0x00B2);
+ }
+ if (is_initializing)
+ b43legacy_phy_lo_g_measure_txctl2(dev);
+ b43legacy_phy_write(dev, 0x080F, 0x8078);
+
+ /* Measure */
+ control.low = 0;
+ control.high = 0;
+ for (h = 0; h < 10; h++) {
+ /* Loop over each possible RadioAttenuation (0-9) */
+ i = pairorder[h];
+ if (is_initializing) {
+ if (i == 3) {
+ control.low = 0;
+ control.high = 0;
+ } else if (((i % 2 == 1) && (oldi % 2 == 1)) ||
+ ((i % 2 == 0) && (oldi % 2 == 0))) {
+ tmp_control = b43legacy_get_lopair(phy, oldi,
+ 0);
+ memcpy(&control, tmp_control, sizeof(control));
+ } else {
+ tmp_control = b43legacy_get_lopair(phy, 3, 0);
+ memcpy(&control, tmp_control, sizeof(control));
+ }
+ }
+ /* Loop over each possible BasebandAttenuation/2 */
+ for (j = 0; j < 4; j++) {
+ if (is_initializing) {
+ tmp = i * 2 + j;
+ r27 = 0;
+ r31 = 0;
+ if (tmp > 14) {
+ r31 = 1;
+ if (tmp > 17)
+ r27 = 1;
+ if (tmp > 19)
+ r27 = 2;
+ }
+ } else {
+ tmp_control = b43legacy_get_lopair(phy, i,
+ j * 2);
+ if (!tmp_control->used)
+ continue;
+ memcpy(&control, tmp_control, sizeof(control));
+ r27 = 3;
+ r31 = 0;
+ }
+ b43legacy_radio_write16(dev, 0x43, i);
+ b43legacy_radio_write16(dev, 0x52, phy->txctl2);
+ udelay(10);
+ b43legacy_voluntary_preempt();
+
+ b43legacy_phy_set_baseband_attenuation(dev, j * 2);
+
+ tmp = (regstack[10] & 0xFFF0);
+ if (r31)
+ tmp |= 0x0008;
+ b43legacy_radio_write16(dev, 0x007A, tmp);
+
+ tmp_control = b43legacy_get_lopair(phy, i, j * 2);
+ b43legacy_phy_lo_g_state(dev, &control, tmp_control,
+ r27);
+ }
+ oldi = i;
+ }
+ /* Loop over each possible RadioAttenuation (10-13) */
+ for (i = 10; i < 14; i++) {
+ /* Loop over each possible BasebandAttenuation/2 */
+ for (j = 0; j < 4; j++) {
+ if (is_initializing) {
+ tmp_control = b43legacy_get_lopair(phy, i - 9,
+ j * 2);
+ memcpy(&control, tmp_control, sizeof(control));
+ /* FIXME: The next line is wrong, as the
+ * following if statement can never trigger. */
+ tmp = (i - 9) * 2 + j - 5;
+ r27 = 0;
+ r31 = 0;
+ if (tmp > 14) {
+ r31 = 1;
+ if (tmp > 17)
+ r27 = 1;
+ if (tmp > 19)
+ r27 = 2;
+ }
+ } else {
+ tmp_control = b43legacy_get_lopair(phy, i - 9,
+ j * 2);
+ if (!tmp_control->used)
+ continue;
+ memcpy(&control, tmp_control, sizeof(control));
+ r27 = 3;
+ r31 = 0;
+ }
+ b43legacy_radio_write16(dev, 0x43, i - 9);
+ /* FIXME: shouldn't txctl1 be zero in the next line
+ * and 3 in the loop above? */
+ b43legacy_radio_write16(dev, 0x52,
+ phy->txctl2
+ | (3/*txctl1*/ << 4));
+ udelay(10);
+ b43legacy_voluntary_preempt();
+
+ b43legacy_phy_set_baseband_attenuation(dev, j * 2);
+
+ tmp = (regstack[10] & 0xFFF0);
+ if (r31)
+ tmp |= 0x0008;
+ b43legacy_radio_write16(dev, 0x7A, tmp);
+
+ tmp_control = b43legacy_get_lopair(phy, i, j * 2);
+ b43legacy_phy_lo_g_state(dev, &control, tmp_control,
+ r27);
+ }
+ }
+
+ /* Restoration */
+ if (phy->gmode) {
+ b43legacy_phy_write(dev, 0x0015, 0xE300);
+ b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA0);
+ udelay(5);
+ b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA2);
+ udelay(2);
+ b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA3);
+ b43legacy_voluntary_preempt();
+ } else
+ b43legacy_phy_write(dev, 0x0015, r27 | 0xEFA0);
+ b43legacy_phy_lo_adjust(dev, is_initializing);
+ b43legacy_phy_write(dev, 0x002E, 0x807F);
+ if (phy->gmode)
+ b43legacy_phy_write(dev, 0x002F, 0x0202);
+ else
+ b43legacy_phy_write(dev, 0x002F, 0x0101);
+ b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, regstack[4]);
+ b43legacy_phy_write(dev, 0x0015, regstack[5]);
+ b43legacy_phy_write(dev, 0x002A, regstack[6]);
+ b43legacy_phy_write(dev, 0x0035, regstack[7]);
+ b43legacy_phy_write(dev, 0x0060, regstack[8]);
+ b43legacy_radio_write16(dev, 0x0043, regstack[9]);
+ b43legacy_radio_write16(dev, 0x007A, regstack[10]);
+ regstack[11] &= 0x00F0;
+ regstack[11] |= (b43legacy_radio_read16(dev, 0x52) & 0x000F);
+ b43legacy_radio_write16(dev, 0x52, regstack[11]);
+ b43legacy_write16(dev, 0x03E2, regstack[3]);
+ if (phy->gmode) {
+ b43legacy_phy_write(dev, 0x0811, regstack[12]);
+ b43legacy_phy_write(dev, 0x0812, regstack[13]);
+ b43legacy_phy_write(dev, 0x0814, regstack[14]);
+ b43legacy_phy_write(dev, 0x0815, regstack[15]);
+ b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0]);
+ b43legacy_phy_write(dev, 0x0802, regstack[1]);
+ }
+ b43legacy_radio_selectchannel(dev, oldchannel, 1);
+
+#ifdef CONFIG_B43LEGACY_DEBUG
+ {
+ /* Sanity check for all lopairs. */
+ for (i = 0; i < B43legacy_LO_COUNT; i++) {
+ tmp_control = phy->_lo_pairs + i;
+ if (tmp_control->low < -8 || tmp_control->low > 8 ||
+ tmp_control->high < -8 || tmp_control->high > 8)
+ b43legacywarn(dev->wl,
+ "WARNING: Invalid LOpair (low: %d, high:"
+ " %d, index: %d)\n",
+ tmp_control->low, tmp_control->high, i);
+ }
+ }
+#endif /* CONFIG_B43LEGACY_DEBUG */
+}
+
+static
+void b43legacy_phy_lo_mark_current_used(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_lopair *pair;
+
+ pair = b43legacy_current_lopair(dev);
+ pair->used = 1;
+}
+
+void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ struct b43legacy_lopair *pair;
+ int i;
+
+ for (i = 0; i < B43legacy_LO_COUNT; i++) {
+ pair = phy->_lo_pairs + i;
+ pair->used = 0;
+ }
+}
+
+/* http://bcm-specs.sipsolutions.net/EstimatePowerOut
+ * This function converts a TSSI value to dBm in Q5.2
+ */
+static s8 b43legacy_phy_estimate_power_out(struct b43legacy_wldev *dev, s8 tssi)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ s8 dbm = 0;
+ s32 tmp;
+
+ tmp = phy->idle_tssi;
+ tmp += tssi;
+ tmp -= phy->savedpctlreg;
+
+ switch (phy->type) {
+ case B43legacy_PHYTYPE_B:
+ case B43legacy_PHYTYPE_G:
+ tmp = clamp_val(tmp, 0x00, 0x3F);
+ dbm = phy->tssi2dbm[tmp];
+ break;
+ default:
+ B43legacy_BUG_ON(1);
+ }
+
+ return dbm;
+}
+
+/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
+void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 tmp;
+ u16 txpower;
+ s8 v0;
+ s8 v1;
+ s8 v2;
+ s8 v3;
+ s8 average;
+ int max_pwr;
+ s16 desired_pwr;
+ s16 estimated_pwr;
+ s16 pwr_adjust;
+ s16 radio_att_delta;
+ s16 baseband_att_delta;
+ s16 radio_attenuation;
+ s16 baseband_attenuation;
+
+ if (phy->savedpctlreg == 0xFFFF)
+ return;
+ if ((dev->dev->bus->boardinfo.type == 0x0416) &&
+ is_bcm_board_vendor(dev))
+ return;
+#ifdef CONFIG_B43LEGACY_DEBUG
+ if (phy->manual_txpower_control)
+ return;
+#endif
+
+ B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B ||
+ phy->type == B43legacy_PHYTYPE_G));
+ tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0058);
+ v0 = (s8)(tmp & 0x00FF);
+ v1 = (s8)((tmp & 0xFF00) >> 8);
+ tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005A);
+ v2 = (s8)(tmp & 0x00FF);
+ v3 = (s8)((tmp & 0xFF00) >> 8);
+ tmp = 0;
+
+ if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) {
+ tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED,
+ 0x0070);
+ v0 = (s8)(tmp & 0x00FF);
+ v1 = (s8)((tmp & 0xFF00) >> 8);
+ tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED,
+ 0x0072);
+ v2 = (s8)(tmp & 0x00FF);
+ v3 = (s8)((tmp & 0xFF00) >> 8);
+ if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F)
+ return;
+ v0 = (v0 + 0x20) & 0x3F;
+ v1 = (v1 + 0x20) & 0x3F;
+ v2 = (v2 + 0x20) & 0x3F;
+ v3 = (v3 + 0x20) & 0x3F;
+ tmp = 1;
+ }
+ b43legacy_radio_clear_tssi(dev);
+
+ average = (v0 + v1 + v2 + v3 + 2) / 4;
+
+ if (tmp && (b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005E)
+ & 0x8))
+ average -= 13;
+
+ estimated_pwr = b43legacy_phy_estimate_power_out(dev, average);
+
+ max_pwr = dev->dev->bus->sprom.maxpwr_bg;
+
+ if ((dev->dev->bus->sprom.boardflags_lo
+ & B43legacy_BFL_PACTRL) &&
+ (phy->type == B43legacy_PHYTYPE_G))
+ max_pwr -= 0x3;
+ if (unlikely(max_pwr <= 0)) {
+ b43legacywarn(dev->wl, "Invalid max-TX-power value in SPROM."
+ "\n");
+ max_pwr = 74; /* fake it */
+ dev->dev->bus->sprom.maxpwr_bg = max_pwr;
+ }
+
+ /* Use regulatory information to get the maximum power.
+ * In the absence of such data from mac80211, we will use 20 dBm, which
+ * is the value for the EU, US, Canada, and most of the world.
+ * The regulatory maximum is reduced by the antenna gain (from sprom)
+ * and 1.5 dBm (a safety factor??). The result is in Q5.2 format
+ * which accounts for the factor of 4 */
+#define REG_MAX_PWR 20
+ max_pwr = min(REG_MAX_PWR * 4
+ - dev->dev->bus->sprom.antenna_gain.a0
+ - 0x6, max_pwr);
+
+ /* find the desired power in Q5.2 - power_level is in dBm
+ * and limit it - max_pwr is already in Q5.2 */
+ desired_pwr = clamp_val(phy->power_level << 2, 0, max_pwr);
+ if (b43legacy_debug(dev, B43legacy_DBG_XMITPOWER))
+ b43legacydbg(dev->wl, "Current TX power output: " Q52_FMT
+ " dBm, Desired TX power output: " Q52_FMT
+ " dBm\n", Q52_ARG(estimated_pwr),
+ Q52_ARG(desired_pwr));
+ /* Check if we need to adjust the current power. The factor of 2 is
+ * for damping */
+ pwr_adjust = (desired_pwr - estimated_pwr) / 2;
+ /* RF attenuation delta
+ * The minus sign is because lower attenuation => more power */
+ radio_att_delta = -(pwr_adjust + 7) >> 3;
+ /* Baseband attenuation delta */
+ baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta);
+ /* Do we need to adjust anything? */
+ if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
+ b43legacy_phy_lo_mark_current_used(dev);
+ return;
+ }
+
+ /* Calculate the new attenuation values. */
+ baseband_attenuation = phy->bbatt;
+ baseband_attenuation += baseband_att_delta;
+ radio_attenuation = phy->rfatt;
+ radio_attenuation += radio_att_delta;
+
+ /* Get baseband and radio attenuation values into permitted ranges.
+ * baseband 0-11, radio 0-9.
+ * Radio attenuation affects power level 4 times as much as baseband.
+ */
+ if (radio_attenuation < 0) {
+ baseband_attenuation -= (4 * -radio_attenuation);
+ radio_attenuation = 0;
+ } else if (radio_attenuation > 9) {
+ baseband_attenuation += (4 * (radio_attenuation - 9));
+ radio_attenuation = 9;
+ } else {
+ while (baseband_attenuation < 0 && radio_attenuation > 0) {
+ baseband_attenuation += 4;
+ radio_attenuation--;
+ }
+ while (baseband_attenuation > 11 && radio_attenuation < 9) {
+ baseband_attenuation -= 4;
+ radio_attenuation++;
+ }
+ }
+ baseband_attenuation = clamp_val(baseband_attenuation, 0, 11);
+
+ txpower = phy->txctl1;
+ if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
+ if (radio_attenuation <= 1) {
+ if (txpower == 0) {
+ txpower = 3;
+ radio_attenuation += 2;
+ baseband_attenuation += 2;
+ } else if (dev->dev->bus->sprom.boardflags_lo
+ & B43legacy_BFL_PACTRL) {
+ baseband_attenuation += 4 *
+ (radio_attenuation - 2);
+ radio_attenuation = 2;
+ }
+ } else if (radio_attenuation > 4 && txpower != 0) {
+ txpower = 0;
+ if (baseband_attenuation < 3) {
+ radio_attenuation -= 3;
+ baseband_attenuation += 2;
+ } else {
+ radio_attenuation -= 2;
+ baseband_attenuation -= 2;
+ }
+ }
+ }
+ /* Save the control values */
+ phy->txctl1 = txpower;
+ baseband_attenuation = clamp_val(baseband_attenuation, 0, 11);
+ radio_attenuation = clamp_val(radio_attenuation, 0, 9);
+ phy->rfatt = radio_attenuation;
+ phy->bbatt = baseband_attenuation;
+
+ /* Adjust the hardware */
+ b43legacy_phy_lock(dev);
+ b43legacy_radio_lock(dev);
+ b43legacy_radio_set_txpower_bg(dev, baseband_attenuation,
+ radio_attenuation, txpower);
+ b43legacy_phy_lo_mark_current_used(dev);
+ b43legacy_radio_unlock(dev);
+ b43legacy_phy_unlock(dev);
+}
+
+static inline
+s32 b43legacy_tssi2dbm_ad(s32 num, s32 den)
+{
+ if (num < 0)
+ return num/den;
+ else
+ return (num+den/2)/den;
+}
+
+static inline
+s8 b43legacy_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
+{
+ s32 m1;
+ s32 m2;
+ s32 f = 256;
+ s32 q;
+ s32 delta;
+ s8 i = 0;
+
+ m1 = b43legacy_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
+ m2 = max(b43legacy_tssi2dbm_ad(32768 + index * pab2, 256), 1);
+ do {
+ if (i > 15)
+ return -EINVAL;
+ q = b43legacy_tssi2dbm_ad(f * 4096 -
+ b43legacy_tssi2dbm_ad(m2 * f, 16) *
+ f, 2048);
+ delta = abs(q - f);
+ f = q;
+ i++;
+ } while (delta >= 2);
+ entry[index] = clamp_val(b43legacy_tssi2dbm_ad(m1 * f, 8192),
+ -127, 128);
+ return 0;
+}
+
+/* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
+int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ s16 pab0;
+ s16 pab1;
+ s16 pab2;
+ u8 idx;
+ s8 *dyn_tssi2dbm;
+
+ B43legacy_WARN_ON(!(phy->type == B43legacy_PHYTYPE_B ||
+ phy->type == B43legacy_PHYTYPE_G));
+ pab0 = (s16)(dev->dev->bus->sprom.pa0b0);
+ pab1 = (s16)(dev->dev->bus->sprom.pa0b1);
+ pab2 = (s16)(dev->dev->bus->sprom.pa0b2);
+
+ if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) {
+ phy->idle_tssi = 0x34;
+ phy->tssi2dbm = b43legacy_tssi2dbm_b_table;
+ return 0;
+ }
+
+ if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
+ pab0 != -1 && pab1 != -1 && pab2 != -1) {
+ /* The pabX values are set in SPROM. Use them. */
+ if ((s8)dev->dev->bus->sprom.itssi_bg != 0 &&
+ (s8)dev->dev->bus->sprom.itssi_bg != -1)
+ phy->idle_tssi = (s8)(dev->dev->bus->sprom.
+ itssi_bg);
+ else
+ phy->idle_tssi = 62;
+ dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
+ if (dyn_tssi2dbm == NULL) {
+ b43legacyerr(dev->wl, "Could not allocate memory "
+ "for tssi2dbm table\n");
+ return -ENOMEM;
+ }
+ for (idx = 0; idx < 64; idx++)
+ if (b43legacy_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0,
+ pab1, pab2)) {
+ phy->tssi2dbm = NULL;
+ b43legacyerr(dev->wl, "Could not generate "
+ "tssi2dBm table\n");
+ kfree(dyn_tssi2dbm);
+ return -ENODEV;
+ }
+ phy->tssi2dbm = dyn_tssi2dbm;
+ phy->dyn_tssi_tbl = 1;
+ } else {
+ /* pabX values not set in SPROM. */
+ switch (phy->type) {
+ case B43legacy_PHYTYPE_B:
+ phy->idle_tssi = 0x34;
+ phy->tssi2dbm = b43legacy_tssi2dbm_b_table;
+ break;
+ case B43legacy_PHYTYPE_G:
+ phy->idle_tssi = 0x34;
+ phy->tssi2dbm = b43legacy_tssi2dbm_g_table;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+int b43legacy_phy_init(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ int err = -ENODEV;
+
+ switch (phy->type) {
+ case B43legacy_PHYTYPE_B:
+ switch (phy->rev) {
+ case 2:
+ b43legacy_phy_initb2(dev);
+ err = 0;
+ break;
+ case 4:
+ b43legacy_phy_initb4(dev);
+ err = 0;
+ break;
+ case 5:
+ b43legacy_phy_initb5(dev);
+ err = 0;
+ break;
+ case 6:
+ b43legacy_phy_initb6(dev);
+ err = 0;
+ break;
+ }
+ break;
+ case B43legacy_PHYTYPE_G:
+ b43legacy_phy_initg(dev);
+ err = 0;
+ break;
+ }
+ if (err)
+ b43legacyerr(dev->wl, "Unknown PHYTYPE found\n");
+
+ return err;
+}
+
+void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_phy *phy = &dev->phy;
+ u16 antennadiv;
+ u16 offset;
+ u16 value;
+ u32 ucodeflags;
+
+ antennadiv = phy->antenna_diversity;
+
+ if (antennadiv == 0xFFFF)
+ antennadiv = 3;
+ B43legacy_WARN_ON(antennadiv > 3);
+
+ ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET);
+ b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET,
+ ucodeflags & ~B43legacy_UCODEFLAG_AUTODIV);
+
+ switch (phy->type) {
+ case B43legacy_PHYTYPE_G:
+ offset = 0x0400;
+
+ if (antennadiv == 2)
+ value = (3/*automatic*/ << 7);
+ else
+ value = (antennadiv << 7);
+ b43legacy_phy_write(dev, offset + 1,
+ (b43legacy_phy_read(dev, offset + 1)
+ & 0x7E7F) | value);
+
+ if (antennadiv >= 2) {
+ if (antennadiv == 2)
+ value = (antennadiv << 7);
+ else
+ value = (0/*force0*/ << 7);
+ b43legacy_phy_write(dev, offset + 0x2B,
+ (b43legacy_phy_read(dev,
+ offset + 0x2B)
+ & 0xFEFF) | value);
+ }
+
+ if (phy->type == B43legacy_PHYTYPE_G) {
+ if (antennadiv >= 2)
+ b43legacy_phy_write(dev, 0x048C,
+ b43legacy_phy_read(dev,
+ 0x048C) | 0x2000);
+ else
+ b43legacy_phy_write(dev, 0x048C,
+ b43legacy_phy_read(dev,
+ 0x048C) & ~0x2000);
+ if (phy->rev >= 2) {
+ b43legacy_phy_write(dev, 0x0461,
+ b43legacy_phy_read(dev,
+ 0x0461) | 0x0010);
+ b43legacy_phy_write(dev, 0x04AD,
+ (b43legacy_phy_read(dev,
+ 0x04AD)
+ & 0x00FF) | 0x0015);
+ if (phy->rev == 2)
+ b43legacy_phy_write(dev, 0x0427,
+ 0x0008);
+ else
+ b43legacy_phy_write(dev, 0x0427,
+ (b43legacy_phy_read(dev, 0x0427)
+ & 0x00FF) | 0x0008);
+ } else if (phy->rev >= 6)
+ b43legacy_phy_write(dev, 0x049B, 0x00DC);
+ } else {
+ if (phy->rev < 3)
+ b43legacy_phy_write(dev, 0x002B,
+ (b43legacy_phy_read(dev,
+ 0x002B) & 0x00FF)
+ | 0x0024);
+ else {
+ b43legacy_phy_write(dev, 0x0061,
+ b43legacy_phy_read(dev,
+ 0x0061) | 0x0010);
+ if (phy->rev == 3) {
+ b43legacy_phy_write(dev, 0x0093,
+ 0x001D);
+ b43legacy_phy_write(dev, 0x0027,
+ 0x0008);
+ } else {
+ b43legacy_phy_write(dev, 0x0093,
+ 0x003A);
+ b43legacy_phy_write(dev, 0x0027,
+ (b43legacy_phy_read(dev, 0x0027)
+ & 0x00FF) | 0x0008);
+ }
+ }
+ }
+ break;
+ case B43legacy_PHYTYPE_B:
+ if (dev->dev->id.revision == 2)
+ value = (3/*automatic*/ << 7);
+ else
+ value = (antennadiv << 7);
+ b43legacy_phy_write(dev, 0x03E2,
+ (b43legacy_phy_read(dev, 0x03E2)
+ & 0xFE7F) | value);
+ break;
+ default:
+ B43legacy_WARN_ON(1);
+ }
+
+ if (antennadiv >= 2) {
+ ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET);
+ b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
+ B43legacy_UCODEFLAGS_OFFSET,
+ ucodeflags | B43legacy_UCODEFLAG_AUTODIV);
+ }
+
+ phy->antenna_diversity = antennadiv;
+}
+
+/* Set the PowerSavingControlBits.
+ * Bitvalues:
+ * 0 => unset the bit
+ * 1 => set the bit
+ * -1 => calculate the bit
+ */
+void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev,
+ int bit25, int bit26)
+{
+ int i;
+ u32 status;
+
+/* FIXME: Force 25 to off and 26 to on for now: */
+bit25 = 0;
+bit26 = 1;
+
+ if (bit25 == -1) {
+ /* TODO: If powersave is not off and FIXME is not set and we
+ * are not in adhoc and thus is not an AP and we arei
+ * associated, set bit 25 */
+ }
+ if (bit26 == -1) {
+ /* TODO: If the device is awake or this is an AP, or we are
+ * scanning, or FIXME, or we are associated, or FIXME,
+ * or the latest PS-Poll packet sent was successful,
+ * set bit26 */
+ }
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ if (bit25)
+ status |= B43legacy_MACCTL_HWPS;
+ else
+ status &= ~B43legacy_MACCTL_HWPS;
+ if (bit26)
+ status |= B43legacy_MACCTL_AWAKE;
+ else
+ status &= ~B43legacy_MACCTL_AWAKE;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
+ if (bit26 && dev->dev->id.revision >= 5) {
+ for (i = 0; i < 100; i++) {
+ if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
+ 0x0040) != 4)
+ break;
+ udelay(10);
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 09:04:12 +0100