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2233 lines
64 KiB
2233 lines
64 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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Broadcom B43legacy wireless driver |
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Copyright (c) 2005 Martin Langer <[email protected]>, |
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Stefano Brivio <[email protected]> |
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Michael Buesch <[email protected]> |
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Danny van Dyk <[email protected]> |
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Andreas Jaggi <[email protected]> |
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Copyright (c) 2007 Larry Finger <[email protected]> |
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Some parts of the code in this file are derived from the ipw2200 |
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driver Copyright(c) 2003 - 2004 Intel Corporation. |
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*/ |
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#include <linux/delay.h> |
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#include <linux/pci.h> |
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#include <linux/sched.h> |
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#include <linux/slab.h> |
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#include <linux/types.h> |
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#include "b43legacy.h" |
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#include "phy.h" |
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#include "main.h" |
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#include "radio.h" |
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#include "ilt.h" |
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static const s8 b43legacy_tssi2dbm_b_table[] = { |
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0x4D, 0x4C, 0x4B, 0x4A, |
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0x4A, 0x49, 0x48, 0x47, |
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0x47, 0x46, 0x45, 0x45, |
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0x44, 0x43, 0x42, 0x42, |
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0x41, 0x40, 0x3F, 0x3E, |
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0x3D, 0x3C, 0x3B, 0x3A, |
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0x39, 0x38, 0x37, 0x36, |
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0x35, 0x34, 0x32, 0x31, |
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0x30, 0x2F, 0x2D, 0x2C, |
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0x2B, 0x29, 0x28, 0x26, |
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0x25, 0x23, 0x21, 0x1F, |
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0x1D, 0x1A, 0x17, 0x14, |
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0x10, 0x0C, 0x06, 0x00, |
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-7, -7, -7, -7, |
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-7, -7, -7, -7, |
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-7, -7, -7, -7, |
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}; |
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static const s8 b43legacy_tssi2dbm_g_table[] = { |
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77, 77, 77, 76, |
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76, 76, 75, 75, |
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74, 74, 73, 73, |
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73, 72, 72, 71, |
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71, 70, 70, 69, |
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68, 68, 67, 67, |
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66, 65, 65, 64, |
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63, 63, 62, 61, |
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60, 59, 58, 57, |
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56, 55, 54, 53, |
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52, 50, 49, 47, |
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45, 43, 40, 37, |
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33, 28, 22, 14, |
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5, -7, -20, -20, |
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-20, -20, -20, -20, |
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-20, -20, -20, -20, |
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}; |
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static void b43legacy_phy_initg(struct b43legacy_wldev *dev); |
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/* Lock the PHY registers against concurrent access from the microcode. |
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* This lock is nonrecursive. */ |
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void b43legacy_phy_lock(struct b43legacy_wldev *dev) |
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{ |
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#if B43legacy_DEBUG |
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B43legacy_WARN_ON(dev->phy.phy_locked); |
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dev->phy.phy_locked = 1; |
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#endif |
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if (dev->dev->id.revision < 3) { |
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b43legacy_mac_suspend(dev); |
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} else { |
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if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) |
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b43legacy_power_saving_ctl_bits(dev, -1, 1); |
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} |
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} |
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void b43legacy_phy_unlock(struct b43legacy_wldev *dev) |
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{ |
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#if B43legacy_DEBUG |
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B43legacy_WARN_ON(!dev->phy.phy_locked); |
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dev->phy.phy_locked = 0; |
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#endif |
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if (dev->dev->id.revision < 3) { |
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b43legacy_mac_enable(dev); |
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} else { |
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if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) |
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b43legacy_power_saving_ctl_bits(dev, -1, -1); |
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} |
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} |
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u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset) |
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{ |
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b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); |
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return b43legacy_read16(dev, B43legacy_MMIO_PHY_DATA); |
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} |
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void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val) |
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{ |
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b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); |
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b43legacy_write16(dev, B43legacy_MMIO_PHY_DATA, val); |
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} |
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void b43legacy_phy_calibrate(struct b43legacy_wldev *dev) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */ |
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if (phy->calibrated) |
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return; |
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if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) { |
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b43legacy_wireless_core_reset(dev, 0); |
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b43legacy_phy_initg(dev); |
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b43legacy_wireless_core_reset(dev, B43legacy_TMSLOW_GMODE); |
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} |
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phy->calibrated = 1; |
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} |
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/* initialize B PHY power control |
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* as described in https://bcm-specs.sipsolutions.net/InitPowerControl |
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*/ |
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static void b43legacy_phy_init_pctl(struct b43legacy_wldev *dev) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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u16 saved_batt = 0; |
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u16 saved_ratt = 0; |
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u16 saved_txctl1 = 0; |
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int must_reset_txpower = 0; |
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B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B || |
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phy->type == B43legacy_PHYTYPE_G)); |
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if (is_bcm_board_vendor(dev) && |
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(dev->dev->bus->boardinfo.type == 0x0416)) |
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return; |
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b43legacy_phy_write(dev, 0x0028, 0x8018); |
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b43legacy_write16(dev, 0x03E6, b43legacy_read16(dev, 0x03E6) & 0xFFDF); |
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if (phy->type == B43legacy_PHYTYPE_G) { |
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if (!phy->gmode) |
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return; |
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b43legacy_phy_write(dev, 0x047A, 0xC111); |
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} |
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if (phy->savedpctlreg != 0xFFFF) |
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return; |
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#ifdef CONFIG_B43LEGACY_DEBUG |
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if (phy->manual_txpower_control) |
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return; |
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#endif |
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if (phy->type == B43legacy_PHYTYPE_B && |
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phy->rev >= 2 && |
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phy->radio_ver == 0x2050) |
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b43legacy_radio_write16(dev, 0x0076, |
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b43legacy_radio_read16(dev, 0x0076) |
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| 0x0084); |
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else { |
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saved_batt = phy->bbatt; |
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saved_ratt = phy->rfatt; |
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saved_txctl1 = phy->txctl1; |
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if ((phy->radio_rev >= 6) && (phy->radio_rev <= 8) |
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&& /*FIXME: incomplete specs for 5 < revision < 9 */ 0) |
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b43legacy_radio_set_txpower_bg(dev, 0xB, 0x1F, 0); |
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else |
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b43legacy_radio_set_txpower_bg(dev, 0xB, 9, 0); |
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must_reset_txpower = 1; |
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} |
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b43legacy_dummy_transmission(dev); |
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phy->savedpctlreg = b43legacy_phy_read(dev, B43legacy_PHY_G_PCTL); |
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if (must_reset_txpower) |
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b43legacy_radio_set_txpower_bg(dev, saved_batt, saved_ratt, |
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saved_txctl1); |
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else |
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b43legacy_radio_write16(dev, 0x0076, b43legacy_radio_read16(dev, |
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0x0076) & 0xFF7B); |
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b43legacy_radio_clear_tssi(dev); |
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} |
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static void b43legacy_phy_agcsetup(struct b43legacy_wldev *dev) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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u16 offset = 0x0000; |
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if (phy->rev == 1) |
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offset = 0x4C00; |
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b43legacy_ilt_write(dev, offset, 0x00FE); |
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b43legacy_ilt_write(dev, offset + 1, 0x000D); |
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b43legacy_ilt_write(dev, offset + 2, 0x0013); |
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b43legacy_ilt_write(dev, offset + 3, 0x0019); |
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if (phy->rev == 1) { |
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b43legacy_ilt_write(dev, 0x1800, 0x2710); |
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b43legacy_ilt_write(dev, 0x1801, 0x9B83); |
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b43legacy_ilt_write(dev, 0x1802, 0x9B83); |
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b43legacy_ilt_write(dev, 0x1803, 0x0F8D); |
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b43legacy_phy_write(dev, 0x0455, 0x0004); |
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} |
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b43legacy_phy_write(dev, 0x04A5, (b43legacy_phy_read(dev, 0x04A5) |
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& 0x00FF) | 0x5700); |
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b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) |
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& 0xFF80) | 0x000F); |
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b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) |
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& 0xC07F) | 0x2B80); |
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b43legacy_phy_write(dev, 0x048C, (b43legacy_phy_read(dev, 0x048C) |
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& 0xF0FF) | 0x0300); |
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b43legacy_radio_write16(dev, 0x007A, |
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b43legacy_radio_read16(dev, 0x007A) |
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| 0x0008); |
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b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) |
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& 0xFFF0) | 0x0008); |
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b43legacy_phy_write(dev, 0x04A1, (b43legacy_phy_read(dev, 0x04A1) |
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& 0xF0FF) | 0x0600); |
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b43legacy_phy_write(dev, 0x04A2, (b43legacy_phy_read(dev, 0x04A2) |
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& 0xF0FF) | 0x0700); |
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b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) |
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& 0xF0FF) | 0x0100); |
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if (phy->rev == 1) |
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b43legacy_phy_write(dev, 0x04A2, |
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(b43legacy_phy_read(dev, 0x04A2) |
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& 0xFFF0) | 0x0007); |
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b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) |
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& 0xFF00) | 0x001C); |
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b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) |
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& 0xC0FF) | 0x0200); |
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b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) |
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& 0xFF00) | 0x001C); |
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b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) |
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& 0xFF00) | 0x0020); |
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b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) |
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& 0xC0FF) | 0x0200); |
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b43legacy_phy_write(dev, 0x0482, (b43legacy_phy_read(dev, 0x0482) |
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& 0xFF00) | 0x002E); |
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b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) |
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& 0x00FF) | 0x1A00); |
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b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) |
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& 0xFF00) | 0x0028); |
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b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) |
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& 0x00FF) | 0x2C00); |
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if (phy->rev == 1) { |
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b43legacy_phy_write(dev, 0x0430, 0x092B); |
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b43legacy_phy_write(dev, 0x041B, |
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(b43legacy_phy_read(dev, 0x041B) |
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& 0xFFE1) | 0x0002); |
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} else { |
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b43legacy_phy_write(dev, 0x041B, |
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b43legacy_phy_read(dev, 0x041B) & 0xFFE1); |
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b43legacy_phy_write(dev, 0x041F, 0x287A); |
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b43legacy_phy_write(dev, 0x0420, |
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(b43legacy_phy_read(dev, 0x0420) |
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& 0xFFF0) | 0x0004); |
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} |
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if (phy->rev > 2) { |
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b43legacy_phy_write(dev, 0x0422, 0x287A); |
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b43legacy_phy_write(dev, 0x0420, |
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(b43legacy_phy_read(dev, 0x0420) |
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& 0x0FFF) | 0x3000); |
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} |
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b43legacy_phy_write(dev, 0x04A8, (b43legacy_phy_read(dev, 0x04A8) |
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& 0x8080) | 0x7874); |
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b43legacy_phy_write(dev, 0x048E, 0x1C00); |
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|
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if (phy->rev == 1) { |
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b43legacy_phy_write(dev, 0x04AB, |
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(b43legacy_phy_read(dev, 0x04AB) |
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& 0xF0FF) | 0x0600); |
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b43legacy_phy_write(dev, 0x048B, 0x005E); |
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b43legacy_phy_write(dev, 0x048C, |
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(b43legacy_phy_read(dev, 0x048C) & 0xFF00) |
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| 0x001E); |
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b43legacy_phy_write(dev, 0x048D, 0x0002); |
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} |
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b43legacy_ilt_write(dev, offset + 0x0800, 0); |
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b43legacy_ilt_write(dev, offset + 0x0801, 7); |
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b43legacy_ilt_write(dev, offset + 0x0802, 16); |
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b43legacy_ilt_write(dev, offset + 0x0803, 28); |
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|
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if (phy->rev >= 6) { |
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b43legacy_phy_write(dev, 0x0426, |
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(b43legacy_phy_read(dev, 0x0426) & 0xFFFC)); |
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b43legacy_phy_write(dev, 0x0426, |
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(b43legacy_phy_read(dev, 0x0426) & 0xEFFF)); |
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} |
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} |
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static void b43legacy_phy_setupg(struct b43legacy_wldev *dev) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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u16 i; |
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|
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B43legacy_BUG_ON(phy->type != B43legacy_PHYTYPE_G); |
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if (phy->rev == 1) { |
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b43legacy_phy_write(dev, 0x0406, 0x4F19); |
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b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, |
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(b43legacy_phy_read(dev, |
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B43legacy_PHY_G_CRS) & 0xFC3F) | 0x0340); |
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b43legacy_phy_write(dev, 0x042C, 0x005A); |
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b43legacy_phy_write(dev, 0x0427, 0x001A); |
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|
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for (i = 0; i < B43legacy_ILT_FINEFREQG_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x5800 + i, |
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b43legacy_ilt_finefreqg[i]); |
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for (i = 0; i < B43legacy_ILT_NOISEG1_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x1800 + i, |
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b43legacy_ilt_noiseg1[i]); |
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for (i = 0; i < B43legacy_ILT_ROTOR_SIZE; i++) |
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b43legacy_ilt_write32(dev, 0x2000 + i, |
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b43legacy_ilt_rotor[i]); |
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} else { |
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/* nrssi values are signed 6-bit values. Why 0x7654 here? */ |
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b43legacy_nrssi_hw_write(dev, 0xBA98, (s16)0x7654); |
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|
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if (phy->rev == 2) { |
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b43legacy_phy_write(dev, 0x04C0, 0x1861); |
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b43legacy_phy_write(dev, 0x04C1, 0x0271); |
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} else if (phy->rev > 2) { |
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b43legacy_phy_write(dev, 0x04C0, 0x0098); |
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b43legacy_phy_write(dev, 0x04C1, 0x0070); |
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b43legacy_phy_write(dev, 0x04C9, 0x0080); |
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} |
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b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, |
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0x042B) | 0x800); |
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|
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for (i = 0; i < 64; i++) |
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b43legacy_ilt_write(dev, 0x4000 + i, i); |
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for (i = 0; i < B43legacy_ILT_NOISEG2_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x1800 + i, |
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b43legacy_ilt_noiseg2[i]); |
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} |
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|
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if (phy->rev <= 2) |
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for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x1400 + i, |
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b43legacy_ilt_noisescaleg1[i]); |
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else if ((phy->rev >= 7) && (b43legacy_phy_read(dev, 0x0449) & 0x0200)) |
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for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x1400 + i, |
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b43legacy_ilt_noisescaleg3[i]); |
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else |
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for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x1400 + i, |
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b43legacy_ilt_noisescaleg2[i]); |
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|
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if (phy->rev == 2) |
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for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x5000 + i, |
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b43legacy_ilt_sigmasqr1[i]); |
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else if ((phy->rev > 2) && (phy->rev <= 8)) |
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for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) |
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b43legacy_ilt_write(dev, 0x5000 + i, |
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b43legacy_ilt_sigmasqr2[i]); |
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|
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if (phy->rev == 1) { |
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for (i = 0; i < B43legacy_ILT_RETARD_SIZE; i++) |
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b43legacy_ilt_write32(dev, 0x2400 + i, |
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b43legacy_ilt_retard[i]); |
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for (i = 4; i < 20; i++) |
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b43legacy_ilt_write(dev, 0x5400 + i, 0x0020); |
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b43legacy_phy_agcsetup(dev); |
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|
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if (is_bcm_board_vendor(dev) && |
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(dev->dev->bus->boardinfo.type == 0x0416) && |
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(dev->dev->bus->sprom.board_rev == 0x0017)) |
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return; |
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|
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b43legacy_ilt_write(dev, 0x5001, 0x0002); |
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b43legacy_ilt_write(dev, 0x5002, 0x0001); |
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} else { |
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for (i = 0; i <= 0x20; i++) |
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b43legacy_ilt_write(dev, 0x1000 + i, 0x0820); |
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b43legacy_phy_agcsetup(dev); |
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b43legacy_phy_read(dev, 0x0400); /* dummy read */ |
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b43legacy_phy_write(dev, 0x0403, 0x1000); |
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b43legacy_ilt_write(dev, 0x3C02, 0x000F); |
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b43legacy_ilt_write(dev, 0x3C03, 0x0014); |
|
|
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if (is_bcm_board_vendor(dev) && |
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(dev->dev->bus->boardinfo.type == 0x0416) && |
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(dev->dev->bus->sprom.board_rev == 0x0017)) |
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return; |
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|
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b43legacy_ilt_write(dev, 0x0401, 0x0002); |
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b43legacy_ilt_write(dev, 0x0402, 0x0001); |
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} |
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} |
|
|
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/* Initialize the APHY portion of a GPHY. */ |
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static void b43legacy_phy_inita(struct b43legacy_wldev *dev) |
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{ |
|
|
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might_sleep(); |
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|
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b43legacy_phy_setupg(dev); |
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if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_PACTRL) |
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b43legacy_phy_write(dev, 0x046E, 0x03CF); |
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} |
|
|
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static void b43legacy_phy_initb2(struct b43legacy_wldev *dev) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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u16 offset; |
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int val; |
|
|
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b43legacy_write16(dev, 0x03EC, 0x3F22); |
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b43legacy_phy_write(dev, 0x0020, 0x301C); |
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b43legacy_phy_write(dev, 0x0026, 0x0000); |
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b43legacy_phy_write(dev, 0x0030, 0x00C6); |
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b43legacy_phy_write(dev, 0x0088, 0x3E00); |
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val = 0x3C3D; |
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for (offset = 0x0089; offset < 0x00A7; offset++) { |
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b43legacy_phy_write(dev, offset, val); |
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val -= 0x0202; |
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} |
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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); |
|
cond_resched(); |
|
|
|
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); |
|
cond_resched(); |
|
|
|
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); |
|
} |
|
|
|
/* https://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); |
|
cond_resched(); |
|
|
|
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); |
|
cond_resched(); |
|
|
|
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); |
|
cond_resched(); |
|
} 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; |
|
} |
|
} |
|
|
|
/* https://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; |
|
} |
|
|
|
/* https://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); |
|
} |
|
} |
|
}
|
|
|