| /* |
| |
| Broadcom BCM43xx wireless driver |
| |
| Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| Stefano Brivio <st3@riseup.net> |
| Michael Buesch <mbuesch@freenet.de> |
| Danny van Dyk <kugelfang@gentoo.org> |
| Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| |
| Some parts of the code in this file are derived from the ipw2200 |
| driver Copyright(c) 2003 - 2004 Intel Corporation. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| |
| */ |
| |
| #include <linux/delay.h> |
| |
| #include "bcm43xx.h" |
| #include "bcm43xx_main.h" |
| #include "bcm43xx_phy.h" |
| #include "bcm43xx_radio.h" |
| #include "bcm43xx_ilt.h" |
| |
| |
| /* Table for bcm43xx_radio_calibrationvalue() */ |
| static const u16 rcc_table[16] = { |
| 0x0002, 0x0003, 0x0001, 0x000F, |
| 0x0006, 0x0007, 0x0005, 0x000F, |
| 0x000A, 0x000B, 0x0009, 0x000F, |
| 0x000E, 0x000F, 0x000D, 0x000F, |
| }; |
| |
| /* Reverse the bits of a 4bit value. |
| * Example: 1101 is flipped 1011 |
| */ |
| static u16 flip_4bit(u16 value) |
| { |
| u16 flipped = 0x0000; |
| |
| assert((value & ~0x000F) == 0x0000); |
| |
| flipped |= (value & 0x0001) << 3; |
| flipped |= (value & 0x0002) << 1; |
| flipped |= (value & 0x0004) >> 1; |
| flipped |= (value & 0x0008) >> 3; |
| |
| return flipped; |
| } |
| |
| /* Get the freq, as it has to be written to the device. */ |
| static inline |
| u16 channel2freq_bg(u8 channel) |
| { |
| /* Frequencies are given as frequencies_bg[index] + 2.4GHz |
| * Starting with channel 1 |
| */ |
| static const u16 frequencies_bg[14] = { |
| 12, 17, 22, 27, |
| 32, 37, 42, 47, |
| 52, 57, 62, 67, |
| 72, 84, |
| }; |
| |
| assert(channel >= 1 && channel <= 14); |
| |
| return frequencies_bg[channel - 1]; |
| } |
| |
| /* Get the freq, as it has to be written to the device. */ |
| static inline |
| u16 channel2freq_a(u8 channel) |
| { |
| assert(channel <= 200); |
| |
| return (5000 + 5 * channel); |
| } |
| |
| void bcm43xx_radio_lock(struct bcm43xx_private *bcm) |
| { |
| u32 status; |
| |
| status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| status |= BCM43xx_SBF_RADIOREG_LOCK; |
| bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); |
| mmiowb(); |
| udelay(10); |
| } |
| |
| void bcm43xx_radio_unlock(struct bcm43xx_private *bcm) |
| { |
| u32 status; |
| |
| bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); /* dummy read */ |
| status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| status &= ~BCM43xx_SBF_RADIOREG_LOCK; |
| bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); |
| mmiowb(); |
| } |
| |
| u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| |
| switch (phy->type) { |
| case BCM43xx_PHYTYPE_A: |
| offset |= 0x0040; |
| break; |
| case BCM43xx_PHYTYPE_B: |
| if (radio->version == 0x2053) { |
| if (offset < 0x70) |
| offset += 0x80; |
| else if (offset < 0x80) |
| offset += 0x70; |
| } else if (radio->version == 0x2050) { |
| offset |= 0x80; |
| } else |
| assert(0); |
| break; |
| case BCM43xx_PHYTYPE_G: |
| offset |= 0x80; |
| break; |
| } |
| |
| bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); |
| return bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); |
| } |
| |
| void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val) |
| { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); |
| mmiowb(); |
| bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW, val); |
| } |
| |
| static void bcm43xx_set_all_gains(struct bcm43xx_private *bcm, |
| s16 first, s16 second, s16 third) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| u16 i; |
| u16 start = 0x08, end = 0x18; |
| u16 offset = 0x0400; |
| u16 tmp; |
| |
| if (phy->rev <= 1) { |
| offset = 0x5000; |
| start = 0x10; |
| end = 0x20; |
| } |
| |
| for (i = 0; i < 4; i++) |
| bcm43xx_ilt_write(bcm, offset + i, first); |
| |
| for (i = start; i < end; i++) |
| bcm43xx_ilt_write(bcm, offset + i, second); |
| |
| if (third != -1) { |
| tmp = ((u16)third << 14) | ((u16)third << 6); |
| bcm43xx_phy_write(bcm, 0x04A0, |
| (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | tmp); |
| bcm43xx_phy_write(bcm, 0x04A1, |
| (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | tmp); |
| bcm43xx_phy_write(bcm, 0x04A2, |
| (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | tmp); |
| } |
| bcm43xx_dummy_transmission(bcm); |
| } |
| |
| static void bcm43xx_set_original_gains(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| u16 i, tmp; |
| u16 offset = 0x0400; |
| u16 start = 0x0008, end = 0x0018; |
| |
| if (phy->rev <= 1) { |
| offset = 0x5000; |
| start = 0x0010; |
| end = 0x0020; |
| } |
| |
| for (i = 0; i < 4; i++) { |
| tmp = (i & 0xFFFC); |
| tmp |= (i & 0x0001) << 1; |
| tmp |= (i & 0x0002) >> 1; |
| |
| bcm43xx_ilt_write(bcm, offset + i, tmp); |
| } |
| |
| for (i = start; i < end; i++) |
| bcm43xx_ilt_write(bcm, offset + i, i - start); |
| |
| bcm43xx_phy_write(bcm, 0x04A0, |
| (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | 0x4040); |
| bcm43xx_phy_write(bcm, 0x04A1, |
| (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | 0x4040); |
| bcm43xx_phy_write(bcm, 0x04A2, |
| (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | 0x4000); |
| bcm43xx_dummy_transmission(bcm); |
| } |
| |
| /* Synthetic PU workaround */ |
| static void bcm43xx_synth_pu_workaround(struct bcm43xx_private *bcm, u8 channel) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| |
| if (radio->version != 0x2050 || radio->revision >= 6) { |
| /* We do not need the workaround. */ |
| return; |
| } |
| |
| if (channel <= 10) { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, |
| channel2freq_bg(channel + 4)); |
| } else { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, |
| channel2freq_bg(1)); |
| } |
| udelay(100); |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, |
| channel2freq_bg(channel)); |
| } |
| |
| u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u8 ret = 0; |
| u16 saved, rssi, temp; |
| int i, j = 0; |
| |
| saved = bcm43xx_phy_read(bcm, 0x0403); |
| bcm43xx_radio_selectchannel(bcm, channel, 0); |
| bcm43xx_phy_write(bcm, 0x0403, (saved & 0xFFF8) | 5); |
| if (radio->aci_hw_rssi) |
| rssi = bcm43xx_phy_read(bcm, 0x048A) & 0x3F; |
| else |
| rssi = saved & 0x3F; |
| /* clamp temp to signed 5bit */ |
| if (rssi > 32) |
| rssi -= 64; |
| for (i = 0;i < 100; i++) { |
| temp = (bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x3F; |
| if (temp > 32) |
| temp -= 64; |
| if (temp < rssi) |
| j++; |
| if (j >= 20) |
| ret = 1; |
| } |
| bcm43xx_phy_write(bcm, 0x0403, saved); |
| |
| return ret; |
| } |
| |
| u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u8 ret[13]; |
| unsigned int channel = radio->channel; |
| unsigned int i, j, start, end; |
| unsigned long phylock_flags; |
| |
| if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0))) |
| return 0; |
| |
| bcm43xx_phy_lock(bcm, phylock_flags); |
| bcm43xx_radio_lock(bcm); |
| bcm43xx_phy_write(bcm, 0x0802, |
| bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); |
| bcm43xx_set_all_gains(bcm, 3, 8, 1); |
| |
| start = (channel - 5 > 0) ? channel - 5 : 1; |
| end = (channel + 5 < 14) ? channel + 5 : 13; |
| |
| for (i = start; i <= end; i++) { |
| if (abs(channel - i) > 2) |
| ret[i-1] = bcm43xx_radio_aci_detect(bcm, i); |
| } |
| bcm43xx_radio_selectchannel(bcm, channel, 0); |
| bcm43xx_phy_write(bcm, 0x0802, |
| (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC) | 0x0003); |
| bcm43xx_phy_write(bcm, 0x0403, |
| bcm43xx_phy_read(bcm, 0x0403) & 0xFFF8); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); |
| bcm43xx_set_original_gains(bcm); |
| for (i = 0; i < 13; i++) { |
| if (!ret[i]) |
| continue; |
| end = (i + 5 < 13) ? i + 5 : 13; |
| for (j = i; j < end; j++) |
| ret[j] = 1; |
| } |
| bcm43xx_radio_unlock(bcm); |
| bcm43xx_phy_unlock(bcm, phylock_flags); |
| |
| return ret[channel - 1]; |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val) |
| { |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); |
| mmiowb(); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_DATA, (u16)val); |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset) |
| { |
| u16 val; |
| |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); |
| val = bcm43xx_phy_read(bcm, BCM43xx_PHY_NRSSILT_DATA); |
| |
| return (s16)val; |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val) |
| { |
| u16 i; |
| s16 tmp; |
| |
| for (i = 0; i < 64; i++) { |
| tmp = bcm43xx_nrssi_hw_read(bcm, i); |
| tmp -= val; |
| tmp = limit_value(tmp, -32, 31); |
| bcm43xx_nrssi_hw_write(bcm, i, tmp); |
| } |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| s16 i, delta; |
| s32 tmp; |
| |
| delta = 0x1F - radio->nrssi[0]; |
| for (i = 0; i < 64; i++) { |
| tmp = (i - delta) * radio->nrssislope; |
| tmp /= 0x10000; |
| tmp += 0x3A; |
| tmp = limit_value(tmp, 0, 0x3F); |
| radio->nrssi_lt[i] = tmp; |
| } |
| } |
| |
| static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| u16 backup[20] = { 0 }; |
| s16 v47F; |
| u16 i; |
| u16 saved = 0xFFFF; |
| |
| backup[0] = bcm43xx_phy_read(bcm, 0x0001); |
| backup[1] = bcm43xx_phy_read(bcm, 0x0811); |
| backup[2] = bcm43xx_phy_read(bcm, 0x0812); |
| backup[3] = bcm43xx_phy_read(bcm, 0x0814); |
| backup[4] = bcm43xx_phy_read(bcm, 0x0815); |
| backup[5] = bcm43xx_phy_read(bcm, 0x005A); |
| backup[6] = bcm43xx_phy_read(bcm, 0x0059); |
| backup[7] = bcm43xx_phy_read(bcm, 0x0058); |
| backup[8] = bcm43xx_phy_read(bcm, 0x000A); |
| backup[9] = bcm43xx_phy_read(bcm, 0x0003); |
| backup[10] = bcm43xx_radio_read16(bcm, 0x007A); |
| backup[11] = bcm43xx_radio_read16(bcm, 0x0043); |
| |
| bcm43xx_phy_write(bcm, 0x0429, |
| bcm43xx_phy_read(bcm, 0x0429) & 0x7FFF); |
| bcm43xx_phy_write(bcm, 0x0001, |
| (bcm43xx_phy_read(bcm, 0x0001) & 0x3FFF) | 0x4000); |
| bcm43xx_phy_write(bcm, 0x0811, |
| bcm43xx_phy_read(bcm, 0x0811) | 0x000C); |
| bcm43xx_phy_write(bcm, 0x0812, |
| (bcm43xx_phy_read(bcm, 0x0812) & 0xFFF3) | 0x0004); |
| bcm43xx_phy_write(bcm, 0x0802, |
| bcm43xx_phy_read(bcm, 0x0802) & ~(0x1 | 0x2)); |
| if (phy->rev >= 6) { |
| backup[12] = bcm43xx_phy_read(bcm, 0x002E); |
| backup[13] = bcm43xx_phy_read(bcm, 0x002F); |
| backup[14] = bcm43xx_phy_read(bcm, 0x080F); |
| backup[15] = bcm43xx_phy_read(bcm, 0x0810); |
| backup[16] = bcm43xx_phy_read(bcm, 0x0801); |
| backup[17] = bcm43xx_phy_read(bcm, 0x0060); |
| backup[18] = bcm43xx_phy_read(bcm, 0x0014); |
| backup[19] = bcm43xx_phy_read(bcm, 0x0478); |
| |
| bcm43xx_phy_write(bcm, 0x002E, 0); |
| bcm43xx_phy_write(bcm, 0x002F, 0); |
| bcm43xx_phy_write(bcm, 0x080F, 0); |
| bcm43xx_phy_write(bcm, 0x0810, 0); |
| bcm43xx_phy_write(bcm, 0x0478, |
| bcm43xx_phy_read(bcm, 0x0478) | 0x0100); |
| bcm43xx_phy_write(bcm, 0x0801, |
| bcm43xx_phy_read(bcm, 0x0801) | 0x0040); |
| bcm43xx_phy_write(bcm, 0x0060, |
| bcm43xx_phy_read(bcm, 0x0060) | 0x0040); |
| bcm43xx_phy_write(bcm, 0x0014, |
| bcm43xx_phy_read(bcm, 0x0014) | 0x0200); |
| } |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); |
| udelay(30); |
| |
| v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (v47F >= 0x20) |
| v47F -= 0x40; |
| if (v47F == 31) { |
| for (i = 7; i >= 4; i--) { |
| bcm43xx_radio_write16(bcm, 0x007B, i); |
| udelay(20); |
| v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (v47F >= 0x20) |
| v47F -= 0x40; |
| if (v47F < 31 && saved == 0xFFFF) |
| saved = i; |
| } |
| if (saved == 0xFFFF) |
| saved = 4; |
| } else { |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); |
| bcm43xx_phy_write(bcm, 0x0814, |
| bcm43xx_phy_read(bcm, 0x0814) | 0x0001); |
| bcm43xx_phy_write(bcm, 0x0815, |
| bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); |
| bcm43xx_phy_write(bcm, 0x0811, |
| bcm43xx_phy_read(bcm, 0x0811) | 0x000C); |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_phy_read(bcm, 0x0812) | 0x000C); |
| bcm43xx_phy_write(bcm, 0x0811, |
| bcm43xx_phy_read(bcm, 0x0811) | 0x0030); |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_phy_read(bcm, 0x0812) | 0x0030); |
| bcm43xx_phy_write(bcm, 0x005A, 0x0480); |
| bcm43xx_phy_write(bcm, 0x0059, 0x0810); |
| bcm43xx_phy_write(bcm, 0x0058, 0x000D); |
| if (phy->analog == 0) { |
| bcm43xx_phy_write(bcm, 0x0003, 0x0122); |
| } else { |
| bcm43xx_phy_write(bcm, 0x000A, |
| bcm43xx_phy_read(bcm, 0x000A) |
| | 0x2000); |
| } |
| bcm43xx_phy_write(bcm, 0x0814, |
| bcm43xx_phy_read(bcm, 0x0814) | 0x0004); |
| bcm43xx_phy_write(bcm, 0x0815, |
| bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); |
| bcm43xx_phy_write(bcm, 0x0003, |
| (bcm43xx_phy_read(bcm, 0x0003) & 0xFF9F) |
| | 0x0040); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); |
| bcm43xx_set_all_gains(bcm, 3, 0, 1); |
| bcm43xx_radio_write16(bcm, 0x0043, |
| (bcm43xx_radio_read16(bcm, 0x0043) |
| & 0x00F0) | 0x000F); |
| udelay(30); |
| v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (v47F >= 0x20) |
| v47F -= 0x40; |
| if (v47F == -32) { |
| for (i = 0; i < 4; i++) { |
| bcm43xx_radio_write16(bcm, 0x007B, i); |
| udelay(20); |
| v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (v47F >= 0x20) |
| v47F -= 0x40; |
| if (v47F > -31 && saved == 0xFFFF) |
| saved = i; |
| } |
| if (saved == 0xFFFF) |
| saved = 3; |
| } else |
| saved = 0; |
| } |
| bcm43xx_radio_write16(bcm, 0x007B, saved); |
| |
| if (phy->rev >= 6) { |
| bcm43xx_phy_write(bcm, 0x002E, backup[12]); |
| bcm43xx_phy_write(bcm, 0x002F, backup[13]); |
| bcm43xx_phy_write(bcm, 0x080F, backup[14]); |
| bcm43xx_phy_write(bcm, 0x0810, backup[15]); |
| } |
| bcm43xx_phy_write(bcm, 0x0814, backup[3]); |
| bcm43xx_phy_write(bcm, 0x0815, backup[4]); |
| bcm43xx_phy_write(bcm, 0x005A, backup[5]); |
| bcm43xx_phy_write(bcm, 0x0059, backup[6]); |
| bcm43xx_phy_write(bcm, 0x0058, backup[7]); |
| bcm43xx_phy_write(bcm, 0x000A, backup[8]); |
| bcm43xx_phy_write(bcm, 0x0003, backup[9]); |
| bcm43xx_radio_write16(bcm, 0x0043, backup[11]); |
| bcm43xx_radio_write16(bcm, 0x007A, backup[10]); |
| bcm43xx_phy_write(bcm, 0x0802, |
| bcm43xx_phy_read(bcm, 0x0802) | 0x1 | 0x2); |
| bcm43xx_phy_write(bcm, 0x0429, |
| bcm43xx_phy_read(bcm, 0x0429) | 0x8000); |
| bcm43xx_set_original_gains(bcm); |
| if (phy->rev >= 6) { |
| bcm43xx_phy_write(bcm, 0x0801, backup[16]); |
| bcm43xx_phy_write(bcm, 0x0060, backup[17]); |
| bcm43xx_phy_write(bcm, 0x0014, backup[18]); |
| bcm43xx_phy_write(bcm, 0x0478, backup[19]); |
| } |
| bcm43xx_phy_write(bcm, 0x0001, backup[0]); |
| bcm43xx_phy_write(bcm, 0x0812, backup[2]); |
| bcm43xx_phy_write(bcm, 0x0811, backup[1]); |
| } |
| |
| void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 backup[18] = { 0 }; |
| u16 tmp; |
| s16 nrssi0, nrssi1; |
| |
| switch (phy->type) { |
| case BCM43xx_PHYTYPE_B: |
| backup[0] = bcm43xx_radio_read16(bcm, 0x007A); |
| backup[1] = bcm43xx_radio_read16(bcm, 0x0052); |
| backup[2] = bcm43xx_radio_read16(bcm, 0x0043); |
| backup[3] = bcm43xx_phy_read(bcm, 0x0030); |
| backup[4] = bcm43xx_phy_read(bcm, 0x0026); |
| backup[5] = bcm43xx_phy_read(bcm, 0x0015); |
| backup[6] = bcm43xx_phy_read(bcm, 0x002A); |
| backup[7] = bcm43xx_phy_read(bcm, 0x0020); |
| backup[8] = bcm43xx_phy_read(bcm, 0x005A); |
| backup[9] = bcm43xx_phy_read(bcm, 0x0059); |
| backup[10] = bcm43xx_phy_read(bcm, 0x0058); |
| backup[11] = bcm43xx_read16(bcm, 0x03E2); |
| backup[12] = bcm43xx_read16(bcm, 0x03E6); |
| backup[13] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); |
| |
| tmp = bcm43xx_radio_read16(bcm, 0x007A); |
| tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; |
| bcm43xx_radio_write16(bcm, 0x007A, tmp); |
| bcm43xx_phy_write(bcm, 0x0030, 0x00FF); |
| bcm43xx_write16(bcm, 0x03EC, 0x7F7F); |
| bcm43xx_phy_write(bcm, 0x0026, 0x0000); |
| bcm43xx_phy_write(bcm, 0x0015, |
| bcm43xx_phy_read(bcm, 0x0015) | 0x0020); |
| bcm43xx_phy_write(bcm, 0x002A, 0x08A3); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); |
| |
| nrssi0 = (s16)bcm43xx_phy_read(bcm, 0x0027); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); |
| if (phy->analog >= 2) { |
| bcm43xx_write16(bcm, 0x03E6, 0x0040); |
| } else if (phy->analog == 0) { |
| bcm43xx_write16(bcm, 0x03E6, 0x0122); |
| } else { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, |
| bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000); |
| } |
| bcm43xx_phy_write(bcm, 0x0020, 0x3F3F); |
| bcm43xx_phy_write(bcm, 0x0015, 0xF330); |
| bcm43xx_radio_write16(bcm, 0x005A, 0x0060); |
| bcm43xx_radio_write16(bcm, 0x0043, |
| bcm43xx_radio_read16(bcm, 0x0043) & 0x00F0); |
| bcm43xx_phy_write(bcm, 0x005A, 0x0480); |
| bcm43xx_phy_write(bcm, 0x0059, 0x0810); |
| bcm43xx_phy_write(bcm, 0x0058, 0x000D); |
| udelay(20); |
| |
| nrssi1 = (s16)bcm43xx_phy_read(bcm, 0x0027); |
| bcm43xx_phy_write(bcm, 0x0030, backup[3]); |
| bcm43xx_radio_write16(bcm, 0x007A, backup[0]); |
| bcm43xx_write16(bcm, 0x03E2, backup[11]); |
| bcm43xx_phy_write(bcm, 0x0026, backup[4]); |
| bcm43xx_phy_write(bcm, 0x0015, backup[5]); |
| bcm43xx_phy_write(bcm, 0x002A, backup[6]); |
| bcm43xx_synth_pu_workaround(bcm, radio->channel); |
| if (phy->analog != 0) |
| bcm43xx_write16(bcm, 0x03F4, backup[13]); |
| |
| bcm43xx_phy_write(bcm, 0x0020, backup[7]); |
| bcm43xx_phy_write(bcm, 0x005A, backup[8]); |
| bcm43xx_phy_write(bcm, 0x0059, backup[9]); |
| bcm43xx_phy_write(bcm, 0x0058, backup[10]); |
| bcm43xx_radio_write16(bcm, 0x0052, backup[1]); |
| bcm43xx_radio_write16(bcm, 0x0043, backup[2]); |
| |
| if (nrssi0 == nrssi1) |
| radio->nrssislope = 0x00010000; |
| else |
| radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); |
| |
| if (nrssi0 <= -4) { |
| radio->nrssi[0] = nrssi0; |
| radio->nrssi[1] = nrssi1; |
| } |
| break; |
| case BCM43xx_PHYTYPE_G: |
| if (radio->revision >= 9) |
| return; |
| if (radio->revision == 8) |
| bcm43xx_calc_nrssi_offset(bcm); |
| |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); |
| bcm43xx_phy_write(bcm, 0x0802, |
| bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); |
| backup[7] = bcm43xx_read16(bcm, 0x03E2); |
| bcm43xx_write16(bcm, 0x03E2, |
| bcm43xx_read16(bcm, 0x03E2) | 0x8000); |
| backup[0] = bcm43xx_radio_read16(bcm, 0x007A); |
| backup[1] = bcm43xx_radio_read16(bcm, 0x0052); |
| backup[2] = bcm43xx_radio_read16(bcm, 0x0043); |
| backup[3] = bcm43xx_phy_read(bcm, 0x0015); |
| backup[4] = bcm43xx_phy_read(bcm, 0x005A); |
| backup[5] = bcm43xx_phy_read(bcm, 0x0059); |
| backup[6] = bcm43xx_phy_read(bcm, 0x0058); |
| backup[8] = bcm43xx_read16(bcm, 0x03E6); |
| backup[9] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); |
| if (phy->rev >= 3) { |
| backup[10] = bcm43xx_phy_read(bcm, 0x002E); |
| backup[11] = bcm43xx_phy_read(bcm, 0x002F); |
| backup[12] = bcm43xx_phy_read(bcm, 0x080F); |
| backup[13] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_LO_CONTROL); |
| backup[14] = bcm43xx_phy_read(bcm, 0x0801); |
| backup[15] = bcm43xx_phy_read(bcm, 0x0060); |
| backup[16] = bcm43xx_phy_read(bcm, 0x0014); |
| backup[17] = bcm43xx_phy_read(bcm, 0x0478); |
| bcm43xx_phy_write(bcm, 0x002E, 0); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, 0); |
| switch (phy->rev) { |
| case 4: case 6: case 7: |
| bcm43xx_phy_write(bcm, 0x0478, |
| bcm43xx_phy_read(bcm, 0x0478) |
| | 0x0100); |
| bcm43xx_phy_write(bcm, 0x0801, |
| bcm43xx_phy_read(bcm, 0x0801) |
| | 0x0040); |
| break; |
| case 3: case 5: |
| bcm43xx_phy_write(bcm, 0x0801, |
| bcm43xx_phy_read(bcm, 0x0801) |
| & 0xFFBF); |
| break; |
| } |
| bcm43xx_phy_write(bcm, 0x0060, |
| bcm43xx_phy_read(bcm, 0x0060) |
| | 0x0040); |
| bcm43xx_phy_write(bcm, 0x0014, |
| bcm43xx_phy_read(bcm, 0x0014) |
| | 0x0200); |
| } |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); |
| bcm43xx_set_all_gains(bcm, 0, 8, 0); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) & 0x00F7); |
| if (phy->rev >= 2) { |
| bcm43xx_phy_write(bcm, 0x0811, |
| (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0030); |
| bcm43xx_phy_write(bcm, 0x0812, |
| (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0010); |
| } |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); |
| udelay(20); |
| |
| nrssi0 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (nrssi0 >= 0x0020) |
| nrssi0 -= 0x0040; |
| |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); |
| if (phy->analog >= 2) { |
| bcm43xx_phy_write(bcm, 0x0003, |
| (bcm43xx_phy_read(bcm, 0x0003) |
| & 0xFF9F) | 0x0040); |
| } |
| |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, |
| bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) |
| | 0x2000); |
| bcm43xx_radio_write16(bcm, 0x007A, |
| bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); |
| bcm43xx_phy_write(bcm, 0x0015, 0xF330); |
| if (phy->rev >= 2) { |
| bcm43xx_phy_write(bcm, 0x0812, |
| (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0020); |
| bcm43xx_phy_write(bcm, 0x0811, |
| (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0020); |
| } |
| |
| bcm43xx_set_all_gains(bcm, 3, 0, 1); |
| if (radio->revision == 8) { |
| bcm43xx_radio_write16(bcm, 0x0043, 0x001F); |
| } else { |
| tmp = bcm43xx_radio_read16(bcm, 0x0052) & 0xFF0F; |
| bcm43xx_radio_write16(bcm, 0x0052, tmp | 0x0060); |
| tmp = bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0; |
| bcm43xx_radio_write16(bcm, 0x0043, tmp | 0x0009); |
| } |
| bcm43xx_phy_write(bcm, 0x005A, 0x0480); |
| bcm43xx_phy_write(bcm, 0x0059, 0x0810); |
| bcm43xx_phy_write(bcm, 0x0058, 0x000D); |
| udelay(20); |
| nrssi1 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); |
| if (nrssi1 >= 0x0020) |
| nrssi1 -= 0x0040; |
| if (nrssi0 == nrssi1) |
| radio->nrssislope = 0x00010000; |
| else |
| radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); |
| if (nrssi0 >= -4) { |
| radio->nrssi[0] = nrssi1; |
| radio->nrssi[1] = nrssi0; |
| } |
| if (phy->rev >= 3) { |
| bcm43xx_phy_write(bcm, 0x002E, backup[10]); |
| bcm43xx_phy_write(bcm, 0x002F, backup[11]); |
| bcm43xx_phy_write(bcm, 0x080F, backup[12]); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, backup[13]); |
| } |
| if (phy->rev >= 2) { |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF); |
| bcm43xx_phy_write(bcm, 0x0811, |
| bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF); |
| } |
| |
| bcm43xx_radio_write16(bcm, 0x007A, backup[0]); |
| bcm43xx_radio_write16(bcm, 0x0052, backup[1]); |
| bcm43xx_radio_write16(bcm, 0x0043, backup[2]); |
| bcm43xx_write16(bcm, 0x03E2, backup[7]); |
| bcm43xx_write16(bcm, 0x03E6, backup[8]); |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[9]); |
| bcm43xx_phy_write(bcm, 0x0015, backup[3]); |
| bcm43xx_phy_write(bcm, 0x005A, backup[4]); |
| bcm43xx_phy_write(bcm, 0x0059, backup[5]); |
| bcm43xx_phy_write(bcm, 0x0058, backup[6]); |
| bcm43xx_synth_pu_workaround(bcm, radio->channel); |
| bcm43xx_phy_write(bcm, 0x0802, |
| bcm43xx_phy_read(bcm, 0x0802) | (0x0001 | 0x0002)); |
| bcm43xx_set_original_gains(bcm); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); |
| if (phy->rev >= 3) { |
| bcm43xx_phy_write(bcm, 0x0801, backup[14]); |
| bcm43xx_phy_write(bcm, 0x0060, backup[15]); |
| bcm43xx_phy_write(bcm, 0x0014, backup[16]); |
| bcm43xx_phy_write(bcm, 0x0478, backup[17]); |
| } |
| bcm43xx_nrssi_mem_update(bcm); |
| bcm43xx_calc_nrssi_threshold(bcm); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| s32 threshold; |
| s32 a, b; |
| s16 tmp16; |
| u16 tmp_u16; |
| |
| switch (phy->type) { |
| case BCM43xx_PHYTYPE_B: { |
| if (radio->version != 0x2050) |
| return; |
| if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) |
| return; |
| |
| if (radio->revision >= 6) { |
| threshold = (radio->nrssi[1] - radio->nrssi[0]) * 32; |
| threshold += 20 * (radio->nrssi[0] + 1); |
| threshold /= 40; |
| } else |
| threshold = radio->nrssi[1] - 5; |
| |
| threshold = limit_value(threshold, 0, 0x3E); |
| bcm43xx_phy_read(bcm, 0x0020); /* dummy read */ |
| bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C); |
| |
| if (radio->revision >= 6) { |
| bcm43xx_phy_write(bcm, 0x0087, 0x0E0D); |
| bcm43xx_phy_write(bcm, 0x0086, 0x0C0B); |
| bcm43xx_phy_write(bcm, 0x0085, 0x0A09); |
| bcm43xx_phy_write(bcm, 0x0084, 0x0808); |
| bcm43xx_phy_write(bcm, 0x0083, 0x0808); |
| bcm43xx_phy_write(bcm, 0x0082, 0x0604); |
| bcm43xx_phy_write(bcm, 0x0081, 0x0302); |
| bcm43xx_phy_write(bcm, 0x0080, 0x0100); |
| } |
| break; |
| } |
| case BCM43xx_PHYTYPE_G: |
| if (!phy->connected || |
| !(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { |
| tmp16 = bcm43xx_nrssi_hw_read(bcm, 0x20); |
| if (tmp16 >= 0x20) |
| tmp16 -= 0x40; |
| if (tmp16 < 3) { |
| bcm43xx_phy_write(bcm, 0x048A, |
| (bcm43xx_phy_read(bcm, 0x048A) |
| & 0xF000) | 0x09EB); |
| } else { |
| bcm43xx_phy_write(bcm, 0x048A, |
| (bcm43xx_phy_read(bcm, 0x048A) |
| & 0xF000) | 0x0AED); |
| } |
| } else { |
| if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN) { |
| a = 0xE; |
| b = 0xA; |
| } else if (!radio->aci_wlan_automatic && radio->aci_enable) { |
| a = 0x13; |
| b = 0x12; |
| } else { |
| a = 0xE; |
| b = 0x11; |
| } |
| |
| a = a * (radio->nrssi[1] - radio->nrssi[0]); |
| a += (radio->nrssi[0] << 6); |
| if (a < 32) |
| a += 31; |
| else |
| a += 32; |
| a = a >> 6; |
| a = limit_value(a, -31, 31); |
| |
| b = b * (radio->nrssi[1] - radio->nrssi[0]); |
| b += (radio->nrssi[0] << 6); |
| if (b < 32) |
| b += 31; |
| else |
| b += 32; |
| b = b >> 6; |
| b = limit_value(b, -31, 31); |
| |
| tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000; |
| tmp_u16 |= ((u32)b & 0x0000003F); |
| tmp_u16 |= (((u32)a & 0x0000003F) << 6); |
| bcm43xx_phy_write(bcm, 0x048A, tmp_u16); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| /* Stack implementation to save/restore values from the |
| * interference mitigation code. |
| * It is save to restore values in random order. |
| */ |
| static void _stack_save(u32 *_stackptr, size_t *stackidx, |
| u8 id, u16 offset, u16 value) |
| { |
| u32 *stackptr = &(_stackptr[*stackidx]); |
| |
| assert((offset & 0xE000) == 0x0000); |
| assert((id & 0xF8) == 0x00); |
| *stackptr = offset; |
| *stackptr |= ((u32)id) << 13; |
| *stackptr |= ((u32)value) << 16; |
| (*stackidx)++; |
| assert(*stackidx < BCM43xx_INTERFSTACK_SIZE); |
| } |
| |
| static u16 _stack_restore(u32 *stackptr, |
| u8 id, u16 offset) |
| { |
| size_t i; |
| |
| assert((offset & 0xE000) == 0x0000); |
| assert((id & 0xF8) == 0x00); |
| for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) { |
| if ((*stackptr & 0x00001FFF) != offset) |
| continue; |
| if (((*stackptr & 0x00007000) >> 13) != id) |
| continue; |
| return ((*stackptr & 0xFFFF0000) >> 16); |
| } |
| assert(0); |
| |
| return 0; |
| } |
| |
| #define phy_stacksave(offset) \ |
| do { \ |
| _stack_save(stack, &stackidx, 0x1, (offset), \ |
| bcm43xx_phy_read(bcm, (offset))); \ |
| } while (0) |
| #define phy_stackrestore(offset) \ |
| do { \ |
| bcm43xx_phy_write(bcm, (offset), \ |
| _stack_restore(stack, 0x1, \ |
| (offset))); \ |
| } while (0) |
| #define radio_stacksave(offset) \ |
| do { \ |
| _stack_save(stack, &stackidx, 0x2, (offset), \ |
| bcm43xx_radio_read16(bcm, (offset))); \ |
| } while (0) |
| #define radio_stackrestore(offset) \ |
| do { \ |
| bcm43xx_radio_write16(bcm, (offset), \ |
| _stack_restore(stack, 0x2, \ |
| (offset))); \ |
| } while (0) |
| #define ilt_stacksave(offset) \ |
| do { \ |
| _stack_save(stack, &stackidx, 0x3, (offset), \ |
| bcm43xx_ilt_read(bcm, (offset))); \ |
| } while (0) |
| #define ilt_stackrestore(offset) \ |
| do { \ |
| bcm43xx_ilt_write(bcm, (offset), \ |
| _stack_restore(stack, 0x3, \ |
| (offset))); \ |
| } while (0) |
| |
| static void |
| bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm, |
| int mode) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 tmp, flipped; |
| u32 tmp32; |
| size_t stackidx = 0; |
| u32 *stack = radio->interfstack; |
| |
| switch (mode) { |
| case BCM43xx_RADIO_INTERFMODE_NONWLAN: |
| if (phy->rev != 1) { |
| bcm43xx_phy_write(bcm, 0x042B, |
| bcm43xx_phy_read(bcm, 0x042B) | 0x0800); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000); |
| break; |
| } |
| radio_stacksave(0x0078); |
| tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E); |
| flipped = flip_4bit(tmp); |
| if (flipped < 10 && flipped >= 8) |
| flipped = 7; |
| else if (flipped >= 10) |
| flipped -= 3; |
| flipped = flip_4bit(flipped); |
| flipped = (flipped << 1) | 0x0020; |
| bcm43xx_radio_write16(bcm, 0x0078, flipped); |
| |
| bcm43xx_calc_nrssi_threshold(bcm); |
| |
| phy_stacksave(0x0406); |
| bcm43xx_phy_write(bcm, 0x0406, 0x7E28); |
| |
| bcm43xx_phy_write(bcm, 0x042B, |
| bcm43xx_phy_read(bcm, 0x042B) | 0x0800); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000); |
| |
| phy_stacksave(0x04A0); |
| bcm43xx_phy_write(bcm, 0x04A0, |
| (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008); |
| phy_stacksave(0x04A1); |
| bcm43xx_phy_write(bcm, 0x04A1, |
| (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605); |
| phy_stacksave(0x04A2); |
| bcm43xx_phy_write(bcm, 0x04A2, |
| (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204); |
| phy_stacksave(0x04A8); |
| bcm43xx_phy_write(bcm, 0x04A8, |
| (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803); |
| phy_stacksave(0x04AB); |
| bcm43xx_phy_write(bcm, 0x04AB, |
| (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605); |
| |
| phy_stacksave(0x04A7); |
| bcm43xx_phy_write(bcm, 0x04A7, 0x0002); |
| phy_stacksave(0x04A3); |
| bcm43xx_phy_write(bcm, 0x04A3, 0x287A); |
| phy_stacksave(0x04A9); |
| bcm43xx_phy_write(bcm, 0x04A9, 0x2027); |
| phy_stacksave(0x0493); |
| bcm43xx_phy_write(bcm, 0x0493, 0x32F5); |
| phy_stacksave(0x04AA); |
| bcm43xx_phy_write(bcm, 0x04AA, 0x2027); |
| phy_stacksave(0x04AC); |
| bcm43xx_phy_write(bcm, 0x04AC, 0x32F5); |
| break; |
| case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: |
| if (bcm43xx_phy_read(bcm, 0x0033) & 0x0800) |
| break; |
| |
| radio->aci_enable = 1; |
| |
| phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD); |
| phy_stacksave(BCM43xx_PHY_G_CRS); |
| if (phy->rev < 2) { |
| phy_stacksave(0x0406); |
| } else { |
| phy_stacksave(0x04C0); |
| phy_stacksave(0x04C1); |
| } |
| phy_stacksave(0x0033); |
| phy_stacksave(0x04A7); |
| phy_stacksave(0x04A3); |
| phy_stacksave(0x04A9); |
| phy_stacksave(0x04AA); |
| phy_stacksave(0x04AC); |
| phy_stacksave(0x0493); |
| phy_stacksave(0x04A1); |
| phy_stacksave(0x04A0); |
| phy_stacksave(0x04A2); |
| phy_stacksave(0x048A); |
| phy_stacksave(0x04A8); |
| phy_stacksave(0x04AB); |
| if (phy->rev == 2) { |
| phy_stacksave(0x04AD); |
| phy_stacksave(0x04AE); |
| } else if (phy->rev >= 3) { |
| phy_stacksave(0x04AD); |
| phy_stacksave(0x0415); |
| phy_stacksave(0x0416); |
| phy_stacksave(0x0417); |
| ilt_stacksave(0x1A00 + 0x2); |
| ilt_stacksave(0x1A00 + 0x3); |
| } |
| phy_stacksave(0x042B); |
| phy_stacksave(0x048C); |
| |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) |
| & ~0x1000); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) |
| & 0xFFFC) | 0x0002); |
| |
| bcm43xx_phy_write(bcm, 0x0033, 0x0800); |
| bcm43xx_phy_write(bcm, 0x04A3, 0x2027); |
| bcm43xx_phy_write(bcm, 0x04A9, 0x1CA8); |
| bcm43xx_phy_write(bcm, 0x0493, 0x287A); |
| bcm43xx_phy_write(bcm, 0x04AA, 0x1CA8); |
| bcm43xx_phy_write(bcm, 0x04AC, 0x287A); |
| |
| bcm43xx_phy_write(bcm, 0x04A0, |
| (bcm43xx_phy_read(bcm, 0x04A0) |
| & 0xFFC0) | 0x001A); |
| bcm43xx_phy_write(bcm, 0x04A7, 0x000D); |
| |
| if (phy->rev < 2) { |
| bcm43xx_phy_write(bcm, 0x0406, 0xFF0D); |
| } else if (phy->rev == 2) { |
| bcm43xx_phy_write(bcm, 0x04C0, 0xFFFF); |
| bcm43xx_phy_write(bcm, 0x04C1, 0x00A9); |
| } else { |
| bcm43xx_phy_write(bcm, 0x04C0, 0x00C1); |
| bcm43xx_phy_write(bcm, 0x04C1, 0x0059); |
| } |
| |
| bcm43xx_phy_write(bcm, 0x04A1, |
| (bcm43xx_phy_read(bcm, 0x04A1) |
| & 0xC0FF) | 0x1800); |
| bcm43xx_phy_write(bcm, 0x04A1, |
| (bcm43xx_phy_read(bcm, 0x04A1) |
| & 0xFFC0) | 0x0015); |
| bcm43xx_phy_write(bcm, 0x04A8, |
| (bcm43xx_phy_read(bcm, 0x04A8) |
| & 0xCFFF) | 0x1000); |
| bcm43xx_phy_write(bcm, 0x04A8, |
| (bcm43xx_phy_read(bcm, 0x04A8) |
| & 0xF0FF) | 0x0A00); |
| bcm43xx_phy_write(bcm, 0x04AB, |
| (bcm43xx_phy_read(bcm, 0x04AB) |
| & 0xCFFF) | 0x1000); |
| bcm43xx_phy_write(bcm, 0x04AB, |
| (bcm43xx_phy_read(bcm, 0x04AB) |
| & 0xF0FF) | 0x0800); |
| bcm43xx_phy_write(bcm, 0x04AB, |
| (bcm43xx_phy_read(bcm, 0x04AB) |
| & 0xFFCF) | 0x0010); |
| bcm43xx_phy_write(bcm, 0x04AB, |
| (bcm43xx_phy_read(bcm, 0x04AB) |
| & 0xFFF0) | 0x0005); |
| bcm43xx_phy_write(bcm, 0x04A8, |
| (bcm43xx_phy_read(bcm, 0x04A8) |
| & 0xFFCF) | 0x0010); |
| bcm43xx_phy_write(bcm, 0x04A8, |
| (bcm43xx_phy_read(bcm, 0x04A8) |
| & 0xFFF0) | 0x0006); |
| bcm43xx_phy_write(bcm, 0x04A2, |
| (bcm43xx_phy_read(bcm, 0x04A2) |
| & 0xF0FF) | 0x0800); |
| bcm43xx_phy_write(bcm, 0x04A0, |
| (bcm43xx_phy_read(bcm, 0x04A0) |
| & 0xF0FF) | 0x0500); |
| bcm43xx_phy_write(bcm, 0x04A2, |
| (bcm43xx_phy_read(bcm, 0x04A2) |
| & 0xFFF0) | 0x000B); |
| |
| if (phy->rev >= 3) { |
| bcm43xx_phy_write(bcm, 0x048A, |
| bcm43xx_phy_read(bcm, 0x048A) |
| & ~0x8000); |
| bcm43xx_phy_write(bcm, 0x0415, |
| (bcm43xx_phy_read(bcm, 0x0415) |
| & 0x8000) | 0x36D8); |
| bcm43xx_phy_write(bcm, 0x0416, |
| (bcm43xx_phy_read(bcm, 0x0416) |
| & 0x8000) | 0x36D8); |
| bcm43xx_phy_write(bcm, 0x0417, |
| (bcm43xx_phy_read(bcm, 0x0417) |
| & 0xFE00) | 0x016D); |
| } else { |
| bcm43xx_phy_write(bcm, 0x048A, |
| bcm43xx_phy_read(bcm, 0x048A) |
| | 0x1000); |
| bcm43xx_phy_write(bcm, 0x048A, |
| (bcm43xx_phy_read(bcm, 0x048A) |
| & 0x9FFF) | 0x2000); |
| tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET); |
| if (!(tmp32 & 0x800)) { |
| tmp32 |= 0x800; |
| bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET, |
| tmp32); |
| } |
| } |
| if (phy->rev >= 2) { |
| bcm43xx_phy_write(bcm, 0x042B, |
| bcm43xx_phy_read(bcm, 0x042B) |
| | 0x0800); |
| } |
| bcm43xx_phy_write(bcm, 0x048C, |
| (bcm43xx_phy_read(bcm, 0x048C) |
| & 0xF0FF) | 0x0200); |
| if (phy->rev == 2) { |
| bcm43xx_phy_write(bcm, 0x04AE, |
| (bcm43xx_phy_read(bcm, 0x04AE) |
| & 0xFF00) | 0x007F); |
| bcm43xx_phy_write(bcm, 0x04AD, |
| (bcm43xx_phy_read(bcm, 0x04AD) |
| & 0x00FF) | 0x1300); |
| } else if (phy->rev >= 6) { |
| bcm43xx_ilt_write(bcm, 0x1A00 + 0x3, 0x007F); |
| bcm43xx_ilt_write(bcm, 0x1A00 + 0x2, 0x007F); |
| bcm43xx_phy_write(bcm, 0x04AD, |
| bcm43xx_phy_read(bcm, 0x04AD) |
| & 0x00FF); |
| } |
| bcm43xx_calc_nrssi_slope(bcm); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| static void |
| bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_private *bcm, |
| int mode) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u32 tmp32; |
| u32 *stack = radio->interfstack; |
| |
| switch (mode) { |
| case BCM43xx_RADIO_INTERFMODE_NONWLAN: |
| if (phy->rev != 1) { |
| bcm43xx_phy_write(bcm, 0x042B, |
| bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); |
| break; |
| } |
| phy_stackrestore(0x0078); |
| bcm43xx_calc_nrssi_threshold(bcm); |
| phy_stackrestore(0x0406); |
| bcm43xx_phy_write(bcm, 0x042B, |
| bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); |
| if (!bcm->bad_frames_preempt) { |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) |
| & ~(1 << 11)); |
| } |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); |
| phy_stackrestore(0x04A0); |
| phy_stackrestore(0x04A1); |
| phy_stackrestore(0x04A2); |
| phy_stackrestore(0x04A8); |
| phy_stackrestore(0x04AB); |
| phy_stackrestore(0x04A7); |
| phy_stackrestore(0x04A3); |
| phy_stackrestore(0x04A9); |
| phy_stackrestore(0x0493); |
| phy_stackrestore(0x04AA); |
| phy_stackrestore(0x04AC); |
| break; |
| case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: |
| if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800)) |
| break; |
| |
| radio->aci_enable = 0; |
| |
| phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD); |
| phy_stackrestore(BCM43xx_PHY_G_CRS); |
| phy_stackrestore(0x0033); |
| phy_stackrestore(0x04A3); |
| phy_stackrestore(0x04A9); |
| phy_stackrestore(0x0493); |
| phy_stackrestore(0x04AA); |
| phy_stackrestore(0x04AC); |
| phy_stackrestore(0x04A0); |
| phy_stackrestore(0x04A7); |
| if (phy->rev >= 2) { |
| phy_stackrestore(0x04C0); |
| phy_stackrestore(0x04C1); |
| } else |
| phy_stackrestore(0x0406); |
| phy_stackrestore(0x04A1); |
| phy_stackrestore(0x04AB); |
| phy_stackrestore(0x04A8); |
| if (phy->rev == 2) { |
| phy_stackrestore(0x04AD); |
| phy_stackrestore(0x04AE); |
| } else if (phy->rev >= 3) { |
| phy_stackrestore(0x04AD); |
| phy_stackrestore(0x0415); |
| phy_stackrestore(0x0416); |
| phy_stackrestore(0x0417); |
| ilt_stackrestore(0x1A00 + 0x2); |
| ilt_stackrestore(0x1A00 + 0x3); |
| } |
| phy_stackrestore(0x04A2); |
| phy_stackrestore(0x04A8); |
| phy_stackrestore(0x042B); |
| phy_stackrestore(0x048C); |
| tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET); |
| if (tmp32 & 0x800) { |
| tmp32 &= ~0x800; |
| bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET, |
| tmp32); |
| } |
| bcm43xx_calc_nrssi_slope(bcm); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| #undef phy_stacksave |
| #undef phy_stackrestore |
| #undef radio_stacksave |
| #undef radio_stackrestore |
| #undef ilt_stacksave |
| #undef ilt_stackrestore |
| |
| int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, |
| int mode) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| int currentmode; |
| |
| if ((phy->type != BCM43xx_PHYTYPE_G) || |
| (phy->rev == 0) || |
| (!phy->connected)) |
| return -ENODEV; |
| |
| radio->aci_wlan_automatic = 0; |
| switch (mode) { |
| case BCM43xx_RADIO_INTERFMODE_AUTOWLAN: |
| radio->aci_wlan_automatic = 1; |
| if (radio->aci_enable) |
| mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; |
| else |
| mode = BCM43xx_RADIO_INTERFMODE_NONE; |
| break; |
| case BCM43xx_RADIO_INTERFMODE_NONE: |
| case BCM43xx_RADIO_INTERFMODE_NONWLAN: |
| case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| currentmode = radio->interfmode; |
| if (currentmode == mode) |
| return 0; |
| if (currentmode != BCM43xx_RADIO_INTERFMODE_NONE) |
| bcm43xx_radio_interference_mitigation_disable(bcm, currentmode); |
| |
| if (mode == BCM43xx_RADIO_INTERFMODE_NONE) { |
| radio->aci_enable = 0; |
| radio->aci_hw_rssi = 0; |
| } else |
| bcm43xx_radio_interference_mitigation_enable(bcm, mode); |
| radio->interfmode = mode; |
| |
| return 0; |
| } |
| |
| u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm) |
| { |
| u16 reg, index, ret; |
| |
| reg = bcm43xx_radio_read16(bcm, 0x0060); |
| index = (reg & 0x001E) >> 1; |
| ret = rcc_table[index] << 1; |
| ret |= (reg & 0x0001); |
| ret |= 0x0020; |
| |
| return ret; |
| } |
| |
| #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) |
| static u16 bcm43xx_get_812_value(struct bcm43xx_private *bcm, u8 lpd) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 loop_or = 0; |
| u16 adj_loopback_gain = phy->loopback_gain[0]; |
| u8 loop; |
| u16 extern_lna_control; |
| |
| if (!phy->connected) |
| return 0; |
| if (!has_loopback_gain(phy)) { |
| if (phy->rev < 7 || !(bcm->sprom.boardflags |
| & BCM43xx_BFL_EXTLNA)) { |
| switch (lpd) { |
| case LPD(0, 1, 1): |
| return 0x0FB2; |
| case LPD(0, 0, 1): |
| return 0x00B2; |
| case LPD(1, 0, 1): |
| return 0x30B2; |
| case LPD(1, 0, 0): |
| return 0x30B3; |
| default: |
| assert(0); |
| } |
| } else { |
| switch (lpd) { |
| case LPD(0, 1, 1): |
| return 0x8FB2; |
| case LPD(0, 0, 1): |
| return 0x80B2; |
| case LPD(1, 0, 1): |
| return 0x20B2; |
| case LPD(1, 0, 0): |
| return 0x20B3; |
| default: |
| assert(0); |
| } |
| } |
| } else { |
| if (radio->revision == 8) |
| adj_loopback_gain += 0x003E; |
| else |
| adj_loopback_gain += 0x0026; |
| if (adj_loopback_gain >= 0x46) { |
| adj_loopback_gain -= 0x46; |
| extern_lna_control = 0x3000; |
| } else if (adj_loopback_gain >= 0x3A) { |
| adj_loopback_gain -= 0x3A; |
| extern_lna_control = 0x2000; |
| } else if (adj_loopback_gain >= 0x2E) { |
| adj_loopback_gain -= 0x2E; |
| extern_lna_control = 0x1000; |
| } else { |
| adj_loopback_gain -= 0x10; |
| extern_lna_control = 0x0000; |
| } |
| for (loop = 0; loop < 16; loop++) { |
| u16 tmp = adj_loopback_gain - 6 * loop; |
| if (tmp < 6) |
| break; |
| } |
| |
| loop_or = (loop << 8) | extern_lna_control; |
| if (phy->rev >= 7 && bcm->sprom.boardflags |
| & BCM43xx_BFL_EXTLNA) { |
| if (extern_lna_control) |
| loop_or |= 0x8000; |
| switch (lpd) { |
| case LPD(0, 1, 1): |
| return 0x8F92; |
| case LPD(0, 0, 1): |
| return (0x8092 | loop_or); |
| case LPD(1, 0, 1): |
| return (0x2092 | loop_or); |
| case LPD(1, 0, 0): |
| return (0x2093 | loop_or); |
| default: |
| assert(0); |
| } |
| } else { |
| switch (lpd) { |
| case LPD(0, 1, 1): |
| return 0x0F92; |
| case LPD(0, 0, 1): |
| case LPD(1, 0, 1): |
| return (0x0092 | loop_or); |
| case LPD(1, 0, 0): |
| return (0x0093 | loop_or); |
| default: |
| assert(0); |
| } |
| } |
| } |
| return 0; |
| } |
| |
| u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 backup[21] = { 0 }; |
| u16 ret; |
| u16 i, j; |
| u32 tmp1 = 0, tmp2 = 0; |
| |
| backup[0] = bcm43xx_radio_read16(bcm, 0x0043); |
| backup[14] = bcm43xx_radio_read16(bcm, 0x0051); |
| backup[15] = bcm43xx_radio_read16(bcm, 0x0052); |
| backup[1] = bcm43xx_phy_read(bcm, 0x0015); |
| backup[16] = bcm43xx_phy_read(bcm, 0x005A); |
| backup[17] = bcm43xx_phy_read(bcm, 0x0059); |
| backup[18] = bcm43xx_phy_read(bcm, 0x0058); |
| if (phy->type == BCM43xx_PHYTYPE_B) { |
| backup[2] = bcm43xx_phy_read(bcm, 0x0030); |
| backup[3] = bcm43xx_read16(bcm, 0x03EC); |
| bcm43xx_phy_write(bcm, 0x0030, 0x00FF); |
| bcm43xx_write16(bcm, 0x03EC, 0x3F3F); |
| } else { |
| if (phy->connected) { |
| backup[4] = bcm43xx_phy_read(bcm, 0x0811); |
| backup[5] = bcm43xx_phy_read(bcm, 0x0812); |
| backup[6] = bcm43xx_phy_read(bcm, 0x0814); |
| backup[7] = bcm43xx_phy_read(bcm, 0x0815); |
| backup[8] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS); |
| backup[9] = bcm43xx_phy_read(bcm, 0x0802); |
| bcm43xx_phy_write(bcm, 0x0814, |
| (bcm43xx_phy_read(bcm, 0x0814) |
| | 0x0003)); |
| bcm43xx_phy_write(bcm, 0x0815, |
| (bcm43xx_phy_read(bcm, 0x0815) |
| & 0xFFFC)); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
| (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) |
| & 0x7FFF)); |
| bcm43xx_phy_write(bcm, 0x0802, |
| (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC)); |
| if (phy->rev > 1) { /* loopback gain enabled */ |
| backup[19] = bcm43xx_phy_read(bcm, 0x080F); |
| backup[20] = bcm43xx_phy_read(bcm, 0x0810); |
| if (phy->rev >= 3) |
| bcm43xx_phy_write(bcm, 0x080F, 0xC020); |
| else |
| bcm43xx_phy_write(bcm, 0x080F, 0x8020); |
| bcm43xx_phy_write(bcm, 0x0810, 0x0000); |
| } |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(0, 1, 1))); |
| if (phy->rev < 7 || !(bcm->sprom.boardflags |
| & BCM43xx_BFL_EXTLNA)) |
| bcm43xx_phy_write(bcm, 0x0811, 0x01B3); |
| else |
| bcm43xx_phy_write(bcm, 0x0811, 0x09B3); |
| } |
| } |
| bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, |
| (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) | 0x8000)); |
| backup[10] = bcm43xx_phy_read(bcm, 0x0035); |
| bcm43xx_phy_write(bcm, 0x0035, |
| (bcm43xx_phy_read(bcm, 0x0035) & 0xFF7F)); |
| backup[11] = bcm43xx_read16(bcm, 0x03E6); |
| backup[12] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); |
| |
| // Initialization |
| if (phy->analog == 0) { |
| bcm43xx_write16(bcm, 0x03E6, 0x0122); |
| } else { |
| if (phy->analog >= 2) |
| bcm43xx_phy_write(bcm, 0x0003, |
| (bcm43xx_phy_read(bcm, 0x0003) |
| & 0xFFBF) | 0x0040); |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, |
| (bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) |
| | 0x2000)); |
| } |
| |
| ret = bcm43xx_radio_calibrationvalue(bcm); |
| |
| if (phy->type == BCM43xx_PHYTYPE_B) |
| bcm43xx_radio_write16(bcm, 0x0078, 0x0026); |
| |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(0, 1, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xBFAF); |
| bcm43xx_phy_write(bcm, 0x002B, 0x1403); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(0, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xBFA0); |
| bcm43xx_radio_write16(bcm, 0x0051, |
| (bcm43xx_radio_read16(bcm, 0x0051) | 0x0004)); |
| if (radio->revision == 8) |
| bcm43xx_radio_write16(bcm, 0x0043, 0x001F); |
| else { |
| bcm43xx_radio_write16(bcm, 0x0052, 0x0000); |
| bcm43xx_radio_write16(bcm, 0x0043, |
| (bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0) |
| | 0x0009); |
| } |
| bcm43xx_phy_write(bcm, 0x0058, 0x0000); |
| |
| for (i = 0; i < 16; i++) { |
| bcm43xx_phy_write(bcm, 0x005A, 0x0480); |
| bcm43xx_phy_write(bcm, 0x0059, 0xC810); |
| bcm43xx_phy_write(bcm, 0x0058, 0x000D); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); |
| udelay(10); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); |
| udelay(10); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(1, 0, 0))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); |
| udelay(20); |
| tmp1 += bcm43xx_phy_read(bcm, 0x002D); |
| bcm43xx_phy_write(bcm, 0x0058, 0x0000); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); |
| } |
| |
| tmp1++; |
| tmp1 >>= 9; |
| udelay(10); |
| bcm43xx_phy_write(bcm, 0x0058, 0x0000); |
| |
| for (i = 0; i < 16; i++) { |
| bcm43xx_radio_write16(bcm, 0x0078, (flip_4bit(i) << 1) | 0x0020); |
| backup[13] = bcm43xx_radio_read16(bcm, 0x0078); |
| udelay(10); |
| for (j = 0; j < 16; j++) { |
| bcm43xx_phy_write(bcm, 0x005A, 0x0D80); |
| bcm43xx_phy_write(bcm, 0x0059, 0xC810); |
| bcm43xx_phy_write(bcm, 0x0058, 0x000D); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, |
| LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); |
| udelay(10); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, |
| LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); |
| udelay(10); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, |
| LPD(1, 0, 0))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); |
| udelay(10); |
| tmp2 += bcm43xx_phy_read(bcm, 0x002D); |
| bcm43xx_phy_write(bcm, 0x0058, 0x0000); |
| if (phy->connected) |
| bcm43xx_phy_write(bcm, 0x0812, |
| bcm43xx_get_812_value(bcm, |
| LPD(1, 0, 1))); |
| bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); |
| } |
| tmp2++; |
| tmp2 >>= 8; |
| if (tmp1 < tmp2) |
| break; |
| } |
| |
| /* Restore the registers */ |
| bcm43xx_phy_write(bcm, 0x0015, backup[1]); |
| bcm43xx_radio_write16(bcm, 0x0051, backup[14]); |
| bcm43xx_radio_write16(bcm, 0x0052, backup[15]); |
| bcm43xx_radio_write16(bcm, 0x0043, backup[0]); |
| bcm43xx_phy_write(bcm, 0x005A, backup[16]); |
| bcm43xx_phy_write(bcm, 0x0059, backup[17]); |
| bcm43xx_phy_write(bcm, 0x0058, backup[18]); |
| bcm43xx_write16(bcm, 0x03E6, backup[11]); |
| if (phy->analog != 0) |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[12]); |
| bcm43xx_phy_write(bcm, 0x0035, backup[10]); |
| bcm43xx_radio_selectchannel(bcm, radio->channel, 1); |
| if (phy->type == BCM43xx_PHYTYPE_B) { |
| bcm43xx_phy_write(bcm, 0x0030, backup[2]); |
| bcm43xx_write16(bcm, 0x03EC, backup[3]); |
| } else { |
| if (phy->connected) { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, |
| (bcm43xx_read16(bcm, |
| BCM43xx_MMIO_PHY_RADIO) & 0x7FFF)); |
| bcm43xx_phy_write(bcm, 0x0811, backup[4]); |
| bcm43xx_phy_write(bcm, 0x0812, backup[5]); |
| bcm43xx_phy_write(bcm, 0x0814, backup[6]); |
| bcm43xx_phy_write(bcm, 0x0815, backup[7]); |
| bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, backup[8]); |
| bcm43xx_phy_write(bcm, 0x0802, backup[9]); |
| if (phy->rev > 1) { |
| bcm43xx_phy_write(bcm, 0x080F, backup[19]); |
| bcm43xx_phy_write(bcm, 0x0810, backup[20]); |
| } |
| } |
| } |
| if (i >= 15) |
| ret = backup[13]; |
| |
| return ret; |
| } |
| |
| void bcm43xx_radio_init2060(struct bcm43xx_private *bcm) |
| { |
| int err; |
| |
| bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); |
| bcm43xx_radio_write16(bcm, 0x0005, 0x0008); |
| bcm43xx_radio_write16(bcm, 0x0009, 0x0040); |
| bcm43xx_radio_write16(bcm, 0x0005, 0x00AA); |
| bcm43xx_radio_write16(bcm, 0x0032, 0x008F); |
| bcm43xx_radio_write16(bcm, 0x0006, 0x008F); |
| bcm43xx_radio_write16(bcm, 0x0034, 0x008F); |
| bcm43xx_radio_write16(bcm, 0x002C, 0x0007); |
| bcm43xx_radio_write16(bcm, 0x0082, 0x0080); |
| bcm43xx_radio_write16(bcm, 0x0080, 0x0000); |
| bcm43xx_radio_write16(bcm, 0x003F, 0x00DA); |
| bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); |
| bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0010); |
| bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); |
| bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); |
| udelay(400); |
| |
| bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020) | 0x0010); |
| udelay(400); |
| |
| bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008) | 0x0008); |
| bcm43xx_radio_write16(bcm, 0x0085, bcm43xx_radio_read16(bcm, 0x0085) & ~0x0010); |
| bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); |
| bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040); |
| bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040) | 0x0040); |
| bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0008) | 0x0008); |
| bcm43xx_phy_write(bcm, 0x0063, 0xDDC6); |
| bcm43xx_phy_write(bcm, 0x0069, 0x07BE); |
| bcm43xx_phy_write(bcm, 0x006A, 0x0000); |
| |
| err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_A, 0); |
| assert(err == 0); |
| udelay(1000); |
| } |
| |
| static inline |
| u16 freq_r3A_value(u16 frequency) |
| { |
| u16 value; |
| |
| if (frequency < 5091) |
| value = 0x0040; |
| else if (frequency < 5321) |
| value = 0x0000; |
| else if (frequency < 5806) |
| value = 0x0080; |
| else |
| value = 0x0040; |
| |
| return value; |
| } |
| |
| void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm) |
| { |
| static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; |
| static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; |
| u16 tmp = bcm43xx_radio_read16(bcm, 0x001E); |
| int i, j; |
| |
| for (i = 0; i < 5; i++) { |
| for (j = 0; j < 5; j++) { |
| if (tmp == (data_high[i] | data_low[j])) { |
| bcm43xx_phy_write(bcm, 0x0069, (i - j) << 8 | 0x00C0); |
| return; |
| } |
| } |
| } |
| } |
| |
| int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, |
| u8 channel, |
| int synthetic_pu_workaround) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 r8, tmp; |
| u16 freq; |
| |
| if (!ieee80211_is_valid_channel(bcm->ieee, channel)) |
| return -EINVAL; |
| if ((radio->manufact == 0x17F) && |
| (radio->version == 0x2060) && |
| (radio->revision == 1)) { |
| freq = channel2freq_a(channel); |
| |
| r8 = bcm43xx_radio_read16(bcm, 0x0008); |
| bcm43xx_write16(bcm, 0x03F0, freq); |
| bcm43xx_radio_write16(bcm, 0x0008, r8); |
| |
| TODO();//TODO: write max channel TX power? to Radio 0x2D |
| tmp = bcm43xx_radio_read16(bcm, 0x002E); |
| tmp &= 0x0080; |
| TODO();//TODO: OR tmp with the Power out estimation for this channel? |
| bcm43xx_radio_write16(bcm, 0x002E, tmp); |
| |
| if (freq >= 4920 && freq <= 5500) { |
| /* |
| * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; |
| * = (freq * 0.025862069 |
| */ |
| r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ |
| } |
| bcm43xx_radio_write16(bcm, 0x0007, (r8 << 4) | r8); |
| bcm43xx_radio_write16(bcm, 0x0020, (r8 << 4) | r8); |
| bcm43xx_radio_write16(bcm, 0x0021, (r8 << 4) | r8); |
| bcm43xx_radio_write16(bcm, 0x0022, |
| (bcm43xx_radio_read16(bcm, 0x0022) |
| & 0x000F) | (r8 << 4)); |
| bcm43xx_radio_write16(bcm, 0x002A, (r8 << 4)); |
| bcm43xx_radio_write16(bcm, 0x002B, (r8 << 4)); |
| bcm43xx_radio_write16(bcm, 0x0008, |
| (bcm43xx_radio_read16(bcm, 0x0008) |
| & 0x00F0) | (r8 << 4)); |
| bcm43xx_radio_write16(bcm, 0x0029, |
| (bcm43xx_radio_read16(bcm, 0x0029) |
| & 0xFF0F) | 0x00B0); |
| bcm43xx_radio_write16(bcm, 0x0035, 0x00AA); |
| bcm43xx_radio_write16(bcm, 0x0036, 0x0085); |
| bcm43xx_radio_write16(bcm, 0x003A, |
| (bcm43xx_radio_read16(bcm, 0x003A) |
| & 0xFF20) | freq_r3A_value(freq)); |
| bcm43xx_radio_write16(bcm, 0x003D, |
| bcm43xx_radio_read16(bcm, 0x003D) & 0x00FF); |
| bcm43xx_radio_write16(bcm, 0x0081, |
| (bcm43xx_radio_read16(bcm, 0x0081) |
| & 0xFF7F) | 0x0080); |
| bcm43xx_radio_write16(bcm, 0x0035, |
| bcm43xx_radio_read16(bcm, 0x0035) & 0xFFEF); |
| bcm43xx_radio_write16(bcm, 0x0035, |
| (bcm43xx_radio_read16(bcm, 0x0035) |
| & 0xFFEF) | 0x0010); |
| bcm43xx_radio_set_tx_iq(bcm); |
| TODO(); //TODO: TSSI2dbm workaround |
| bcm43xx_phy_xmitpower(bcm);//FIXME correct? |
| } else { |
| if (synthetic_pu_workaround) |
| bcm43xx_synth_pu_workaround(bcm, channel); |
| |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, |
| channel2freq_bg(channel)); |
| |
| if (channel == 14) { |
| if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) { |
| bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET, |
| bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET) |
| & ~(1 << 7)); |
| } else { |
| bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET, |
| bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, |
| BCM43xx_UCODEFLAGS_OFFSET) |
| | (1 << 7)); |
| } |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, |
| bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) |
| | (1 << 11)); |
| } else { |
| bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, |
| bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) |
| & 0xF7BF); |
| } |
| } |
| |
| radio->channel = channel; |
| //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states |
| // that 2000 usecs might suffice. |
| udelay(8000); |
| |
| return 0; |
| } |
| |
| void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val) |
| { |
| u16 tmp; |
| |
| val <<= 8; |
| tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF; |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val); |
| tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF; |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val); |
| tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF; |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val); |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ |
| static u16 bcm43xx_get_txgain_base_band(u16 txpower) |
| { |
| u16 ret; |
| |
| assert(txpower <= 63); |
| |
| if (txpower >= 54) |
| ret = 2; |
| else if (txpower >= 49) |
| ret = 4; |
| else if (txpower >= 44) |
| ret = 5; |
| else |
| ret = 6; |
| |
| return ret; |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ |
| static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower) |
| { |
| u16 ret; |
| |
| assert(txpower <= 63); |
| |
| if (txpower >= 32) |
| ret = 0; |
| else if (txpower >= 25) |
| ret = 1; |
| else if (txpower >= 20) |
| ret = 2; |
| else if (txpower >= 12) |
| ret = 3; |
| else |
| ret = 4; |
| |
| return ret; |
| } |
| |
| /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ |
| static u16 bcm43xx_get_txgain_dac(u16 txpower) |
| { |
| u16 ret; |
| |
| assert(txpower <= 63); |
| |
| if (txpower >= 54) |
| ret = txpower - 53; |
| else if (txpower >= 49) |
| ret = txpower - 42; |
| else if (txpower >= 44) |
| ret = txpower - 37; |
| else if (txpower >= 32) |
| ret = txpower - 32; |
| else if (txpower >= 25) |
| ret = txpower - 20; |
| else if (txpower >= 20) |
| ret = txpower - 13; |
| else if (txpower >= 12) |
| ret = txpower - 8; |
| else |
| ret = txpower; |
| |
| return ret; |
| } |
| |
| void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 pamp, base, dac, ilt; |
| |
| txpower = limit_value(txpower, 0, 63); |
| |
| pamp = bcm43xx_get_txgain_freq_power_amp(txpower); |
| pamp <<= 5; |
| pamp &= 0x00E0; |
| bcm43xx_phy_write(bcm, 0x0019, pamp); |
| |
| base = bcm43xx_get_txgain_base_band(txpower); |
| base &= 0x000F; |
| bcm43xx_phy_write(bcm, 0x0017, base | 0x0020); |
| |
| ilt = bcm43xx_ilt_read(bcm, 0x3001); |
| ilt &= 0x0007; |
| |
| dac = bcm43xx_get_txgain_dac(txpower); |
| dac <<= 3; |
| dac |= ilt; |
| |
| bcm43xx_ilt_write(bcm, 0x3001, dac); |
| |
| radio->txpwr_offset = txpower; |
| |
| TODO(); |
| //TODO: FuncPlaceholder (Adjust BB loft cancel) |
| } |
| |
| void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, |
| u16 baseband_attenuation, u16 radio_attenuation, |
| u16 txpower) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| |
| if (baseband_attenuation == 0xFFFF) |
| baseband_attenuation = radio->baseband_atten; |
| if (radio_attenuation == 0xFFFF) |
| radio_attenuation = radio->radio_atten; |
| if (txpower == 0xFFFF) |
| txpower = radio->txctl1; |
| radio->baseband_atten = baseband_attenuation; |
| radio->radio_atten = radio_attenuation; |
| radio->txctl1 = txpower; |
| |
| assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11); |
| if (radio->revision < 6) |
| assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9); |
| else |
| assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31); |
| assert(/*txpower >= 0 &&*/ txpower <= 7); |
| |
| bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation); |
| bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation); |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation); |
| if (radio->version == 0x2050) { |
| bcm43xx_radio_write16(bcm, 0x0052, |
| (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070) |
| | ((txpower << 4) & 0x0070)); |
| } |
| //FIXME: The spec is very weird and unclear here. |
| if (phy->type == BCM43xx_PHYTYPE_G) |
| bcm43xx_phy_lo_adjust(bcm, 0); |
| } |
| |
| u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| |
| if (radio->version == 0x2050 && radio->revision < 6) |
| return 0; |
| return 2; |
| } |
| |
| u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| u16 att = 0xFFFF; |
| |
| if (phy->type == BCM43xx_PHYTYPE_A) |
| return 0x60; |
| |
| switch (radio->version) { |
| case 0x2053: |
| switch (radio->revision) { |
| case 1: |
| att = 6; |
| break; |
| } |
| break; |
| case 0x2050: |
| switch (radio->revision) { |
| case 0: |
| att = 5; |
| break; |
| case 1: |
| if (phy->type == BCM43xx_PHYTYPE_G) { |
| if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x421 && |
| bcm->board_revision >= 30) |
| att = 3; |
| else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x416) |
| att = 3; |
| else |
| att = 1; |
| } else { |
| if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x421 && |
| bcm->board_revision >= 30) |
| att = 7; |
| else |
| att = 6; |
| } |
| break; |
| case 2: |
| if (phy->type == BCM43xx_PHYTYPE_G) { |
| if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x421 && |
| bcm->board_revision >= 30) |
| att = 3; |
| else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x416) |
| att = 5; |
| else if (bcm->chip_id == 0x4320) |
| att = 4; |
| else |
| att = 3; |
| } else |
| att = 6; |
| break; |
| case 3: |
| att = 5; |
| break; |
| case 4: |
| case 5: |
| att = 1; |
| break; |
| case 6: |
| case 7: |
| att = 5; |
| break; |
| case 8: |
| att = 0x1A; |
| break; |
| case 9: |
| default: |
| att = 5; |
| } |
| } |
| if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && |
| bcm->board_type == 0x421) { |
| if (bcm->board_revision < 0x43) |
| att = 2; |
| else if (bcm->board_revision < 0x51) |
| att = 3; |
| } |
| if (att == 0xFFFF) |
| att = 5; |
| |
| return att; |
| } |
| |
| u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| |
| if (radio->version != 0x2050) |
| return 0; |
| if (radio->revision == 1) |
| return 3; |
| if (radio->revision < 6) |
| return 2; |
| if (radio->revision == 8) |
| return 1; |
| return 0; |
| } |
| |
| void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| int err; |
| |
| if (radio->enabled) |
| return; |
| |
| switch (phy->type) { |
| case BCM43xx_PHYTYPE_A: |
| bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); |
| bcm43xx_radio_write16(bcm, 0x0005, 0x0008); |
| bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7); |
| bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7); |
| bcm43xx_radio_init2060(bcm); |
| break; |
| case BCM43xx_PHYTYPE_B: |
| case BCM43xx_PHYTYPE_G: |
| bcm43xx_phy_write(bcm, 0x0015, 0x8000); |
| bcm43xx_phy_write(bcm, 0x0015, 0xCC00); |
| bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000)); |
| err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1); |
| assert(err == 0); |
| break; |
| default: |
| assert(0); |
| } |
| radio->enabled = 1; |
| dprintk(KERN_INFO PFX "Radio turned on\n"); |
| bcm43xx_leds_update(bcm, 0); |
| } |
| |
| void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| |
| if (phy->type == BCM43xx_PHYTYPE_A) { |
| bcm43xx_radio_write16(bcm, 0x0004, 0x00FF); |
| bcm43xx_radio_write16(bcm, 0x0005, 0x00FB); |
| bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008); |
| bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008); |
| } |
| if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) { |
| bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C); |
| bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73); |
| } else |
| bcm43xx_phy_write(bcm, 0x0015, 0xAA00); |
| radio->enabled = 0; |
| dprintk(KERN_INFO PFX "Radio initialized\n"); |
| bcm43xx_leds_update(bcm, 0); |
| } |
| |
| void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm) |
| { |
| struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| |
| switch (phy->type) { |
| case BCM43xx_PHYTYPE_A: |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F); |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F); |
| break; |
| case BCM43xx_PHYTYPE_B: |
| case BCM43xx_PHYTYPE_G: |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F); |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F); |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F); |
| bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F); |
| break; |
| } |
| } |
