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linux-sg2042/drivers/net/wireless/b43/phy_lcn.c

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/*
Broadcom B43 wireless driver
IEEE 802.11n LCN-PHY support
Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
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.
This file incorporates work covered by the following copyright and
permission notice:
Copyright (c) 2010 Broadcom Corporation
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
*/
#include <linux/slab.h>
#include "b43.h"
#include "phy_lcn.h"
#include "tables_phy_lcn.h"
#include "main.h"
struct lcn_tx_gains {
u16 gm_gain;
u16 pga_gain;
u16 pad_gain;
u16 dac_gain;
};
struct lcn_tx_iir_filter {
u8 type;
u16 values[16];
};
enum lcn_sense_type {
B43_SENSE_TEMP,
B43_SENSE_VBAT,
};
/* In theory it's PHY common function, move if needed */
/* brcms_b_switch_macfreq */
static void b43_phy_switch_macfreq(struct b43_wldev *dev, u8 spurmode)
{
if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
switch (spurmode) {
case 2: /* 126 Mhz */
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x2082);
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
break;
case 1: /* 123 Mhz */
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x5341);
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
break;
default: /* 120 Mhz */
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x8889);
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
break;
}
} else if (dev->phy.type == B43_PHYTYPE_LCN) {
switch (spurmode) {
case 1: /* 82 Mhz */
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x7CE0);
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0xC);
break;
default: /* 80 Mhz */
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0xCCCD);
b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0xC);
break;
}
}
}
/**************************************************
* Radio 2064.
**************************************************/
/* wlc_lcnphy_radio_2064_channel_tune_4313 */
static void b43_radio_2064_channel_setup(struct b43_wldev *dev)
{
u16 save[2];
b43_radio_set(dev, 0x09d, 0x4);
b43_radio_write(dev, 0x09e, 0xf);
/* Channel specific values in theory, in practice always the same */
b43_radio_write(dev, 0x02a, 0xb);
b43_radio_maskset(dev, 0x030, ~0x3, 0xa);
b43_radio_maskset(dev, 0x091, ~0x3, 0);
b43_radio_maskset(dev, 0x038, ~0xf, 0x7);
b43_radio_maskset(dev, 0x030, ~0xc, 0x8);
b43_radio_maskset(dev, 0x05e, ~0xf, 0x8);
b43_radio_maskset(dev, 0x05e, ~0xf0, 0x80);
b43_radio_write(dev, 0x06c, 0x80);
save[0] = b43_radio_read(dev, 0x044);
save[1] = b43_radio_read(dev, 0x12b);
b43_radio_set(dev, 0x044, 0x7);
b43_radio_set(dev, 0x12b, 0xe);
/* TODO */
b43_radio_write(dev, 0x040, 0xfb);
b43_radio_write(dev, 0x041, 0x9a);
b43_radio_write(dev, 0x042, 0xa3);
b43_radio_write(dev, 0x043, 0x0c);
/* TODO */
b43_radio_set(dev, 0x044, 0x0c);
udelay(1);
b43_radio_write(dev, 0x044, save[0]);
b43_radio_write(dev, 0x12b, save[1]);
if (dev->phy.rev == 1) {
/* brcmsmac uses outdated 0x3 for 0x038 */
b43_radio_write(dev, 0x038, 0x0);
b43_radio_write(dev, 0x091, 0x7);
}
}
/* wlc_radio_2064_init */
static void b43_radio_2064_init(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_radio_write(dev, 0x09c, 0x0020);
b43_radio_write(dev, 0x105, 0x0008);
} else {
/* TODO */
}
b43_radio_write(dev, 0x032, 0x0062);
b43_radio_write(dev, 0x033, 0x0019);
b43_radio_write(dev, 0x090, 0x0010);
b43_radio_write(dev, 0x010, 0x0000);
if (dev->phy.rev == 1) {
b43_radio_write(dev, 0x060, 0x007f);
b43_radio_write(dev, 0x061, 0x0072);
b43_radio_write(dev, 0x062, 0x007f);
}
b43_radio_write(dev, 0x01d, 0x0002);
b43_radio_write(dev, 0x01e, 0x0006);
b43_phy_write(dev, 0x4ea, 0x4688);
b43_phy_maskset(dev, 0x4eb, ~0x7, 0x2);
b43_phy_mask(dev, 0x4eb, ~0x01c0);
b43_phy_maskset(dev, 0x46a, 0xff00, 0x19);
b43_lcntab_write(dev, B43_LCNTAB16(0x00, 0x55), 0);
b43_radio_mask(dev, 0x05b, (u16) ~0xff02);
b43_radio_set(dev, 0x004, 0x40);
b43_radio_set(dev, 0x120, 0x10);
b43_radio_set(dev, 0x078, 0x80);
b43_radio_set(dev, 0x129, 0x2);
b43_radio_set(dev, 0x057, 0x1);
b43_radio_set(dev, 0x05b, 0x2);
/* TODO: wait for some bit to be set */
b43_radio_read(dev, 0x05c);
b43_radio_mask(dev, 0x05b, (u16) ~0xff02);
b43_radio_mask(dev, 0x057, (u16) ~0xff01);
b43_phy_write(dev, 0x933, 0x2d6b);
b43_phy_write(dev, 0x934, 0x2d6b);
b43_phy_write(dev, 0x935, 0x2d6b);
b43_phy_write(dev, 0x936, 0x2d6b);
b43_phy_write(dev, 0x937, 0x016b);
b43_radio_mask(dev, 0x057, (u16) ~0xff02);
b43_radio_write(dev, 0x0c2, 0x006f);
}
/**************************************************
* Various PHY ops
**************************************************/
/* wlc_lcnphy_toggle_afe_pwdn */
static void b43_phy_lcn_afe_set_unset(struct b43_wldev *dev)
{
u16 afe_ctl2 = b43_phy_read(dev, B43_PHY_LCN_AFE_CTL2);
u16 afe_ctl1 = b43_phy_read(dev, B43_PHY_LCN_AFE_CTL1);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2 | 0x1);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1 | 0x1);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2 & ~0x1);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1 & ~0x1);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2);
b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1);
}
/* wlc_lcnphy_get_pa_gain */
static u16 b43_phy_lcn_get_pa_gain(struct b43_wldev *dev)
{
return (b43_phy_read(dev, 0x4fb) & 0x7f00) >> 8;
}
/* wlc_lcnphy_set_dac_gain */
static void b43_phy_lcn_set_dac_gain(struct b43_wldev *dev, u16 dac_gain)
{
u16 dac_ctrl;
dac_ctrl = b43_phy_read(dev, 0x439);
dac_ctrl = dac_ctrl & 0xc7f;
dac_ctrl = dac_ctrl | (dac_gain << 7);
b43_phy_maskset(dev, 0x439, ~0xfff, dac_ctrl);
}
/* wlc_lcnphy_set_bbmult */
static void b43_phy_lcn_set_bbmult(struct b43_wldev *dev, u8 m0)
{
b43_lcntab_write(dev, B43_LCNTAB16(0x00, 0x57), m0 << 8);
}
/* wlc_lcnphy_clear_tx_power_offsets */
static void b43_phy_lcn_clear_tx_power_offsets(struct b43_wldev *dev)
{
u8 i;
if (1) { /* FIXME */
b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, (0x7 << 10) | 0x340);
for (i = 0; i < 30; i++) {
b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, 0);
b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, 0);
}
}
b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, (0x7 << 10) | 0x80);
for (i = 0; i < 64; i++) {
b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, 0);
b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, 0);
}
}
/* wlc_lcnphy_rev0_baseband_init */
static void b43_phy_lcn_rev0_baseband_init(struct b43_wldev *dev)
{
b43_radio_write(dev, 0x11c, 0);
b43_phy_write(dev, 0x43b, 0);
b43_phy_write(dev, 0x43c, 0);
b43_phy_write(dev, 0x44c, 0);
b43_phy_write(dev, 0x4e6, 0);
b43_phy_write(dev, 0x4f9, 0);
b43_phy_write(dev, 0x4b0, 0);
b43_phy_write(dev, 0x938, 0);
b43_phy_write(dev, 0x4b0, 0);
b43_phy_write(dev, 0x44e, 0);
b43_phy_set(dev, 0x567, 0x03);
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM))
; /* TODO */
b43_phy_maskset(dev, 0x634, ~0xff, 0xc);
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM) {
b43_phy_maskset(dev, 0x634, ~0xff, 0xa);
b43_phy_write(dev, 0x910, 0x1);
}
b43_phy_write(dev, 0x910, 0x1);
b43_phy_maskset(dev, 0x448, ~0x300, 0x100);
b43_phy_maskset(dev, 0x608, ~0xff, 0x17);
b43_phy_maskset(dev, 0x604, ~0x7ff, 0x3ea);
}
/* wlc_lcnphy_bu_tweaks */
static void b43_phy_lcn_bu_tweaks(struct b43_wldev *dev)
{
b43_phy_set(dev, 0x805, 0x1);
b43_phy_maskset(dev, 0x42f, ~0x7, 0x3);
b43_phy_maskset(dev, 0x030, ~0x7, 0x3);
b43_phy_write(dev, 0x414, 0x1e10);
b43_phy_write(dev, 0x415, 0x0640);
b43_phy_maskset(dev, 0x4df, (u16) ~0xff00, 0xf700);
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
b43_phy_maskset(dev, 0x434, ~0xff, 0xfd);
b43_phy_maskset(dev, 0x420, ~0xff, 0x10);
if (dev->dev->bus_sprom->board_rev >= 0x1204)
b43_radio_set(dev, 0x09b, 0xf0);
b43_phy_write(dev, 0x7d6, 0x0902);
b43_phy_maskset(dev, 0x429, ~0xf, 0x9);
b43_phy_maskset(dev, 0x429, ~(0x3f << 4), 0xe << 4);
if (dev->phy.rev == 1) {
b43_phy_maskset(dev, 0x423, ~0xff, 0x46);
b43_phy_maskset(dev, 0x411, ~0xff, 1);
b43_phy_set(dev, 0x434, 0xff); /* FIXME: update to wl */
/* TODO: wl operates on PHY 0x416, brcmsmac is outdated here */
b43_phy_maskset(dev, 0x656, ~0xf, 2);
b43_phy_set(dev, 0x44d, 4);
b43_radio_set(dev, 0x0f7, 0x4);
b43_radio_mask(dev, 0x0f1, ~0x3);
b43_radio_maskset(dev, 0x0f2, ~0xf8, 0x90);
b43_radio_maskset(dev, 0x0f3, ~0x3, 0x2);
b43_radio_maskset(dev, 0x0f3, ~0xf0, 0xa0);
b43_radio_set(dev, 0x11f, 0x2);
b43_phy_lcn_clear_tx_power_offsets(dev);
/* TODO: something more? */
}
}
/* wlc_lcnphy_vbat_temp_sense_setup */
static void b43_phy_lcn_sense_setup(struct b43_wldev *dev,
enum lcn_sense_type sense_type)
{
u8 auxpga_vmidcourse, auxpga_vmidfine, auxpga_gain;
u16 auxpga_vmid;
u8 tx_pwr_idx;
u8 i;
u16 save_radio_regs[6][2] = {
{ 0x007, 0 }, { 0x0ff, 0 }, { 0x11f, 0 }, { 0x005, 0 },
{ 0x025, 0 }, { 0x112, 0 },
};
u16 save_phy_regs[14][2] = {
{ 0x503, 0 }, { 0x4a4, 0 }, { 0x4d0, 0 }, { 0x4d9, 0 },
{ 0x4da, 0 }, { 0x4a6, 0 }, { 0x938, 0 }, { 0x939, 0 },
{ 0x4d8, 0 }, { 0x4d0, 0 }, { 0x4d7, 0 }, { 0x4a5, 0 },
{ 0x40d, 0 }, { 0x4a2, 0 },
};
u16 save_radio_4a4;
msleep(1);
/* Save */
for (i = 0; i < 6; i++)
save_radio_regs[i][1] = b43_radio_read(dev,
save_radio_regs[i][0]);
for (i = 0; i < 14; i++)
save_phy_regs[i][1] = b43_phy_read(dev, save_phy_regs[i][0]);
b43_mac_suspend(dev);
save_radio_4a4 = b43_radio_read(dev, 0x4a4);
/* wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF); */
tx_pwr_idx = dev->phy.lcn->tx_pwr_curr_idx;
/* Setup */
/* TODO: wlc_lcnphy_set_tx_pwr_by_index(pi, 127); */
b43_radio_set(dev, 0x007, 0x1);
b43_radio_set(dev, 0x0ff, 0x10);
b43_radio_set(dev, 0x11f, 0x4);
b43_phy_mask(dev, 0x503, ~0x1);
b43_phy_mask(dev, 0x503, ~0x4);
b43_phy_mask(dev, 0x4a4, ~0x4000);
b43_phy_mask(dev, 0x4a4, (u16) ~0x8000);
b43_phy_mask(dev, 0x4d0, ~0x20);
b43_phy_set(dev, 0x4a5, 0xff);
b43_phy_maskset(dev, 0x4a5, ~0x7000, 0x5000);
b43_phy_mask(dev, 0x4a5, ~0x700);
b43_phy_maskset(dev, 0x40d, ~0xff, 64);
b43_phy_maskset(dev, 0x40d, ~0x700, 0x600);
b43_phy_maskset(dev, 0x4a2, ~0xff, 64);
b43_phy_maskset(dev, 0x4a2, ~0x700, 0x600);
b43_phy_maskset(dev, 0x4d9, ~0x70, 0x20);
b43_phy_maskset(dev, 0x4d9, ~0x700, 0x300);
b43_phy_maskset(dev, 0x4d9, ~0x7000, 0x1000);
b43_phy_mask(dev, 0x4da, ~0x1000);
b43_phy_set(dev, 0x4da, 0x2000);
b43_phy_set(dev, 0x4a6, 0x8000);
b43_radio_write(dev, 0x025, 0xc);
b43_radio_set(dev, 0x005, 0x8);
b43_phy_set(dev, 0x938, 0x4);
b43_phy_set(dev, 0x939, 0x4);
b43_phy_set(dev, 0x4a4, 0x1000);
/* FIXME: don't hardcode */
b43_lcntab_write(dev, B43_LCNTAB16(0x8, 0x6), 0x640);
switch (sense_type) {
case B43_SENSE_TEMP:
b43_phy_set(dev, 0x4d7, 0x8);
b43_phy_maskset(dev, 0x4d7, ~0x7000, 0x1000);
auxpga_vmidcourse = 8;
auxpga_vmidfine = 0x4;
auxpga_gain = 2;
b43_radio_set(dev, 0x082, 0x20);
break;
case B43_SENSE_VBAT:
b43_phy_set(dev, 0x4d7, 0x8);
b43_phy_maskset(dev, 0x4d7, ~0x7000, 0x3000);
auxpga_vmidcourse = 7;
auxpga_vmidfine = 0xa;
auxpga_gain = 2;
break;
}
auxpga_vmid = (0x200 | (auxpga_vmidcourse << 4) | auxpga_vmidfine);
b43_phy_set(dev, 0x4d8, 0x1);
b43_phy_maskset(dev, 0x4d8, ~(0x3ff << 2), auxpga_vmid << 2);
b43_phy_set(dev, 0x4d8, 0x2);
b43_phy_maskset(dev, 0x4d8, ~(0x7 << 12), auxpga_gain << 12);
b43_phy_set(dev, 0x4d0, 0x20);
b43_radio_write(dev, 0x112, 0x6);
b43_dummy_transmission(dev, true, false);
/* Wait if not done */
if (!(b43_phy_read(dev, 0x476) & 0x8000))
udelay(10);
/* Restore */
for (i = 0; i < 6; i++)
b43_radio_write(dev, save_radio_regs[i][0],
save_radio_regs[i][1]);
for (i = 0; i < 14; i++)
b43_phy_write(dev, save_phy_regs[i][0], save_phy_regs[i][1]);
/* TODO: wlc_lcnphy_set_tx_pwr_by_index(tx_pwr_idx) */
b43_radio_write(dev, 0x4a4, save_radio_4a4);
b43_mac_enable(dev);
msleep(1);
}
static bool b43_phy_lcn_load_tx_iir_cck_filter(struct b43_wldev *dev,
u8 filter_type)
{
int i, j;
u16 phy_regs[] = { 0x910, 0x91e, 0x91f, 0x924, 0x925, 0x926, 0x920,
0x921, 0x927, 0x928, 0x929, 0x922, 0x923, 0x930,
0x931, 0x932 };
/* Table is from brcmsmac, values for type 25 were outdated, probably
* others need updating too */
struct lcn_tx_iir_filter tx_iir_filters_cck[] = {
{ 0, { 1, 415, 1874, 64, 128, 64, 792, 1656, 64, 128, 64, 778,
1582, 64, 128, 64 } },
{ 1, { 1, 402, 1847, 259, 59, 259, 671, 1794, 68, 54, 68, 608,
1863, 93, 167, 93 } },
{ 2, { 1, 415, 1874, 64, 128, 64, 792, 1656, 192, 384, 192,
778, 1582, 64, 128, 64 } },
{ 3, { 1, 302, 1841, 129, 258, 129, 658, 1720, 205, 410, 205,
754, 1760, 170, 340, 170 } },
{ 20, { 1, 360, 1884, 242, 1734, 242, 752, 1720, 205, 1845, 205,
767, 1760, 256, 185, 256 } },
{ 21, { 1, 360, 1884, 149, 1874, 149, 752, 1720, 205, 1883, 205,
767, 1760, 256, 273, 256 } },
{ 22, { 1, 360, 1884, 98, 1948, 98, 752, 1720, 205, 1924, 205,
767, 1760, 256, 352, 256 } },
{ 23, { 1, 350, 1884, 116, 1966, 116, 752, 1720, 205, 2008, 205,
767, 1760, 128, 233, 128 } },
{ 24, { 1, 325, 1884, 32, 40, 32, 756, 1720, 256, 471, 256, 766,
1760, 256, 1881, 256 } },
{ 25, { 1, 299, 1884, 51, 64, 51, 736, 1720, 256, 471, 256, 765,
1760, 262, 1878, 262 } },
/* brcmsmac version { 25, { 1, 299, 1884, 51, 64, 51, 736, 1720,
* 256, 471, 256, 765, 1760, 256, 1881, 256 } }, */
{ 26, { 1, 277, 1943, 39, 117, 88, 637, 1838, 64, 192, 144, 614,
1864, 128, 384, 288 } },
{ 27, { 1, 245, 1943, 49, 147, 110, 626, 1838, 256, 768, 576,
613, 1864, 128, 384, 288 } },
{ 30, { 1, 302, 1841, 61, 122, 61, 658, 1720, 205, 410, 205,
754, 1760, 170, 340, 170 } },
};
for (i = 0; i < ARRAY_SIZE(tx_iir_filters_cck); i++) {
if (tx_iir_filters_cck[i].type == filter_type) {
for (j = 0; j < 16; j++)
b43_phy_write(dev, phy_regs[j],
tx_iir_filters_cck[i].values[j]);
return true;
}
}
return false;
}
static bool b43_phy_lcn_load_tx_iir_ofdm_filter(struct b43_wldev *dev,
u8 filter_type)
{
int i, j;
u16 phy_regs[] = { 0x90f, 0x900, 0x901, 0x906, 0x907, 0x908, 0x902,
0x903, 0x909, 0x90a, 0x90b, 0x904, 0x905, 0x90c,
0x90d, 0x90e };
struct lcn_tx_iir_filter tx_iir_filters_ofdm[] = {
{ 0, { 0, 0xa2, 0x0, 0x100, 0x100, 0x0, 0x0, 0x0, 0x100, 0x0,
0x0, 0x278, 0xfea0, 0x80, 0x100, 0x80 } },
{ 1, { 0, 374, 0xFF79, 16, 32, 16, 799, 0xFE74, 50, 32, 50, 750,
0xFE2B, 212, 0xFFCE, 212 } },
{ 2, { 0, 375, 0xFF16, 37, 76, 37, 799, 0xFE74, 32, 20, 32, 748,
0xFEF2, 128, 0xFFE2, 128 } },
};
for (i = 0; i < ARRAY_SIZE(tx_iir_filters_ofdm); i++) {
if (tx_iir_filters_ofdm[i].type == filter_type) {
for (j = 0; j < 16; j++)
b43_phy_write(dev, phy_regs[j],
tx_iir_filters_ofdm[i].values[j]);
return true;
}
}
return false;
}
/* wlc_lcnphy_set_tx_gain_override */
static void b43_phy_lcn_set_tx_gain_override(struct b43_wldev *dev, bool enable)
{
b43_phy_maskset(dev, 0x4b0, ~(0x1 << 7), enable << 7);
b43_phy_maskset(dev, 0x4b0, ~(0x1 << 14), enable << 14);
b43_phy_maskset(dev, 0x43b, ~(0x1 << 6), enable << 6);
}
/* wlc_lcnphy_set_tx_gain */
static void b43_phy_lcn_set_tx_gain(struct b43_wldev *dev,
struct lcn_tx_gains *target_gains)
{
u16 pa_gain = b43_phy_lcn_get_pa_gain(dev);
b43_phy_write(dev, 0x4b5,
(target_gains->gm_gain | (target_gains->pga_gain << 8)));
b43_phy_maskset(dev, 0x4fb, ~0x7fff,
(target_gains->pad_gain | (pa_gain << 8)));
b43_phy_write(dev, 0x4fc,
(target_gains->gm_gain | (target_gains->pga_gain << 8)));
b43_phy_maskset(dev, 0x4fd, ~0x7fff,
(target_gains->pad_gain | (pa_gain << 8)));
b43_phy_lcn_set_dac_gain(dev, target_gains->dac_gain);
b43_phy_lcn_set_tx_gain_override(dev, true);
}
/* wlc_lcnphy_tx_pwr_ctrl_init */
static void b43_phy_lcn_tx_pwr_ctl_init(struct b43_wldev *dev)
{
struct lcn_tx_gains tx_gains;
u8 bbmult;
b43_mac_suspend(dev);
if (!dev->phy.lcn->hw_pwr_ctl_capable) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
tx_gains.gm_gain = 4;
tx_gains.pga_gain = 12;
tx_gains.pad_gain = 12;
tx_gains.dac_gain = 0;
bbmult = 150;
} else {
tx_gains.gm_gain = 7;
tx_gains.pga_gain = 15;
tx_gains.pad_gain = 14;
tx_gains.dac_gain = 0;
bbmult = 150;
}
b43_phy_lcn_set_tx_gain(dev, &tx_gains);
b43_phy_lcn_set_bbmult(dev, bbmult);
b43_phy_lcn_sense_setup(dev, B43_SENSE_TEMP);
} else {
b43err(dev->wl, "TX power control not supported for this HW\n");
}
b43_mac_enable(dev);
}
/* wlc_lcnphy_txrx_spur_avoidance_mode */
static void b43_phy_lcn_txrx_spur_avoidance_mode(struct b43_wldev *dev,
bool enable)
{
if (enable) {
b43_phy_write(dev, 0x942, 0x7);
b43_phy_write(dev, 0x93b, ((1 << 13) + 23));
b43_phy_write(dev, 0x93c, ((1 << 13) + 1989));
b43_phy_write(dev, 0x44a, 0x084);
b43_phy_write(dev, 0x44a, 0x080);
b43_phy_write(dev, 0x6d3, 0x2222);
b43_phy_write(dev, 0x6d3, 0x2220);
} else {
b43_phy_write(dev, 0x942, 0x0);
b43_phy_write(dev, 0x93b, ((0 << 13) + 23));
b43_phy_write(dev, 0x93c, ((0 << 13) + 1989));
}
b43_phy_switch_macfreq(dev, enable);
}
/**************************************************
* Channel switching ops.
**************************************************/
/* wlc_lcnphy_set_chanspec_tweaks */
static void b43_phy_lcn_set_channel_tweaks(struct b43_wldev *dev, int channel)
{
struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc;
b43_phy_maskset(dev, 0x448, ~0x300, (channel == 14) ? 0x200 : 0x100);
if (channel == 1 || channel == 2 || channel == 3 || channel == 4 ||
channel == 9 || channel == 10 || channel == 11 || channel == 12) {
bcma_chipco_pll_write(cc, 0x2, 0x03000c04);
bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x0);
bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400);
b43_phy_write(dev, 0x942, 0);
b43_phy_lcn_txrx_spur_avoidance_mode(dev, false);
b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1b00);
b43_phy_write(dev, 0x425, 0x5907);
} else {
bcma_chipco_pll_write(cc, 0x2, 0x03140c04);
bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x333333);
bcma_chipco_pll_write(cc, 0x4, 0x202c2820);
bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400);
b43_phy_write(dev, 0x942, 0);
b43_phy_lcn_txrx_spur_avoidance_mode(dev, true);
b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1f00);
b43_phy_write(dev, 0x425, 0x590a);
}
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
}
/* wlc_phy_chanspec_set_lcnphy */
static int b43_phy_lcn_set_channel(struct b43_wldev *dev,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type)
{
static const u16 sfo_cfg[14][2] = {
{965, 1087}, {967, 1085}, {969, 1082}, {971, 1080}, {973, 1078},
{975, 1076}, {977, 1073}, {979, 1071}, {981, 1069}, {983, 1067},
{985, 1065}, {987, 1063}, {989, 1060}, {994, 1055},
};
b43_phy_lcn_set_channel_tweaks(dev, channel->hw_value);
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
b43_radio_2064_channel_setup(dev);
mdelay(1);
b43_phy_lcn_afe_set_unset(dev);
b43_phy_write(dev, 0x657, sfo_cfg[channel->hw_value - 1][0]);
b43_phy_write(dev, 0x658, sfo_cfg[channel->hw_value - 1][1]);
if (channel->hw_value == 14) {
b43_phy_maskset(dev, 0x448, ~(0x3 << 8), (2) << 8);
b43_phy_lcn_load_tx_iir_cck_filter(dev, 3);
} else {
b43_phy_maskset(dev, 0x448, ~(0x3 << 8), (1) << 8);
/* brcmsmac uses filter_type 2, we follow wl with 25 */
b43_phy_lcn_load_tx_iir_cck_filter(dev, 25);
}
/* brcmsmac uses filter_type 2, we follow wl with 0 */
b43_phy_lcn_load_tx_iir_ofdm_filter(dev, 0);
b43_phy_maskset(dev, 0x4eb, ~(0x7 << 3), 0x1 << 3);
return 0;
}
/**************************************************
* Basic PHY ops.
**************************************************/
static int b43_phy_lcn_op_allocate(struct b43_wldev *dev)
{
struct b43_phy_lcn *phy_lcn;
phy_lcn = kzalloc(sizeof(*phy_lcn), GFP_KERNEL);
if (!phy_lcn)
return -ENOMEM;
dev->phy.lcn = phy_lcn;
return 0;
}
static void b43_phy_lcn_op_free(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_lcn *phy_lcn = phy->lcn;
kfree(phy_lcn);
phy->lcn = NULL;
}
static void b43_phy_lcn_op_prepare_structs(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_lcn *phy_lcn = phy->lcn;
memset(phy_lcn, 0, sizeof(*phy_lcn));
}
/* wlc_phy_init_lcnphy */
static int b43_phy_lcn_op_init(struct b43_wldev *dev)
{
struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc;
b43_phy_set(dev, 0x44a, 0x80);
b43_phy_mask(dev, 0x44a, 0x7f);
b43_phy_set(dev, 0x6d1, 0x80);
b43_phy_write(dev, 0x6d0, 0x7);
b43_phy_lcn_afe_set_unset(dev);
b43_phy_write(dev, 0x60a, 0xa0);
b43_phy_write(dev, 0x46a, 0x19);
b43_phy_maskset(dev, 0x663, 0xFF00, 0x64);
b43_phy_lcn_tables_init(dev);
b43_phy_lcn_rev0_baseband_init(dev);
b43_phy_lcn_bu_tweaks(dev);
if (dev->phy.radio_ver == 0x2064)
b43_radio_2064_init(dev);
else
B43_WARN_ON(1);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
b43_phy_lcn_tx_pwr_ctl_init(dev);
b43_switch_channel(dev, dev->phy.channel);
bcma_chipco_regctl_maskset(cc, 0, 0xf, 0x9);
bcma_chipco_chipctl_maskset(cc, 0, 0, 0x03cddddd);
/* TODO */
b43_phy_set(dev, 0x448, 0x4000);
udelay(100);
b43_phy_mask(dev, 0x448, ~0x4000);
/* TODO */
return 0;
}
static void b43_phy_lcn_op_software_rfkill(struct b43_wldev *dev,
bool blocked)
{
if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
b43err(dev->wl, "MAC not suspended\n");
if (blocked) {
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL2, ~0x7c00);
b43_phy_set(dev, B43_PHY_LCN_RF_CTL1, 0x1f00);
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL5, ~0x7f00);
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL4, ~0x2);
b43_phy_set(dev, B43_PHY_LCN_RF_CTL3, 0x808);
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL7, ~0x8);
b43_phy_set(dev, B43_PHY_LCN_RF_CTL6, 0x8);
} else {
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL1, ~0x1f00);
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL3, ~0x808);
b43_phy_mask(dev, B43_PHY_LCN_RF_CTL6, ~0x8);
}
}
static void b43_phy_lcn_op_switch_analog(struct b43_wldev *dev, bool on)
{
if (on) {
b43_phy_mask(dev, B43_PHY_LCN_AFE_CTL1, ~0x7);
} else {
b43_phy_set(dev, B43_PHY_LCN_AFE_CTL2, 0x7);
b43_phy_set(dev, B43_PHY_LCN_AFE_CTL1, 0x7);
}
}
static int b43_phy_lcn_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel)
{
struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
enum nl80211_channel_type channel_type =
cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if ((new_channel < 1) || (new_channel > 14))
return -EINVAL;
} else {
return -EINVAL;
}
return b43_phy_lcn_set_channel(dev, channel, channel_type);
}
static unsigned int b43_phy_lcn_op_get_default_chan(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
return 1;
return 36;
}
static enum b43_txpwr_result
b43_phy_lcn_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
{
return B43_TXPWR_RES_DONE;
}
static void b43_phy_lcn_op_adjust_txpower(struct b43_wldev *dev)
{
}
/**************************************************
* R/W ops.
**************************************************/
static u16 b43_phy_lcn_op_read(struct b43_wldev *dev, u16 reg)
{
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
return b43_read16(dev, B43_MMIO_PHY_DATA);
}
static void b43_phy_lcn_op_write(struct b43_wldev *dev, u16 reg, u16 value)
{
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
b43_write16(dev, B43_MMIO_PHY_DATA, value);
}
static void b43_phy_lcn_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
u16 set)
{
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
b43_write16(dev, B43_MMIO_PHY_DATA,
(b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
}
static u16 b43_phy_lcn_op_radio_read(struct b43_wldev *dev, u16 reg)
{
/* LCN-PHY needs 0x200 for read access */
reg |= 0x200;
b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
return b43_read16(dev, B43_MMIO_RADIO24_DATA);
}
static void b43_phy_lcn_op_radio_write(struct b43_wldev *dev, u16 reg,
u16 value)
{
b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
}
/**************************************************
* PHY ops struct.
**************************************************/
const struct b43_phy_operations b43_phyops_lcn = {
.allocate = b43_phy_lcn_op_allocate,
.free = b43_phy_lcn_op_free,
.prepare_structs = b43_phy_lcn_op_prepare_structs,
.init = b43_phy_lcn_op_init,
.phy_read = b43_phy_lcn_op_read,
.phy_write = b43_phy_lcn_op_write,
.phy_maskset = b43_phy_lcn_op_maskset,
.radio_read = b43_phy_lcn_op_radio_read,
.radio_write = b43_phy_lcn_op_radio_write,
.software_rfkill = b43_phy_lcn_op_software_rfkill,
.switch_analog = b43_phy_lcn_op_switch_analog,
.switch_channel = b43_phy_lcn_op_switch_channel,
.get_default_chan = b43_phy_lcn_op_get_default_chan,
.recalc_txpower = b43_phy_lcn_op_recalc_txpower,
.adjust_txpower = b43_phy_lcn_op_adjust_txpower,
};
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