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path: root/drivers/net/wireless/b43legacy/phy.c
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Diffstat (limited to 'drivers/net/wireless/b43legacy/phy.c')
-rw-r--r--drivers/net/wireless/b43legacy/phy.c2258
1 files changed, 0 insertions, 2258 deletions
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
deleted file mode 100644
index 995c7d0c2..000000000
--- a/drivers/net/wireless/b43legacy/phy.c
+++ /dev/null
@@ -1,2258 +0,0 @@
-/*
-
- 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 v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-20 01:56:14 +0000