/* ZD1211 USB-WLAN driver for Linux
*
* Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
* Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
*
* 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; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include "zd_rf.h"
#include "zd_usb.h"
#include "zd_chip.h"
#define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
static const u32 zd1211_al2230_table[][3] = {
RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
};
static const u32 zd1211b_al2230_table[][3] = {
RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
};
static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
{ ZD_CR240, 0x57 }, { ZD_CR9, 0xe0 },
};
static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
{ ZD_CR47, 0x1e }, /* MARK_002 */
{ ZD_CR106, 0x22 },
{ ZD_CR107, 0x2a }, /* MARK_002 */
{ ZD_CR109, 0x13 }, /* MARK_002 */
{ ZD_CR118, 0xf8 }, /* MARK_002 */
{ ZD_CR119, 0x12 }, { ZD_CR122, 0xe0 },
{ ZD_CR128, 0x10 }, /* MARK_001 from 0xe->0x10 */
{ ZD_CR129, 0x0e }, /* MARK_001 from 0xd->0x0e */
{ ZD_CR130, 0x10 }, /* MARK_001 from 0xb->0x0d */
};
static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
{
int r;
static const struct zd_ioreq16 ioreqs[] = {
{ ZD_CR80, 0x30 }, { ZD_CR81, 0x30 }, { ZD_CR79, 0x58 },
{ ZD_CR12, 0xf0 }, { ZD_CR77, 0x1b }, { ZD_CR78, 0x58 },
{ ZD_CR203, 0x06 },
{ },
{ ZD_CR240, 0x80 },
};
r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
if (r)
return r;
/* related to antenna selection? */
if (chip->new_phy_layout) {
r = zd_iowrite16_locked(chip, 0xe1, ZD_CR9);
if (r)
return r;
}
return zd_iowrite16_locked(chip, 0x06, ZD_CR203);
}
static int zd1211_al2230_init_hw(struct zd_rf *rf)
{
int r;
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs_init[] = {
{ ZD_CR15, 0x20 }, { ZD_CR23, 0x40 }, { ZD_CR24, 0x20 },
{ ZD_CR26, 0x11 }, { ZD_CR28, 0x3e }, { ZD_CR29, 0x00 },
{ ZD_CR44, 0x33 }, { ZD_CR106, 0x2a }, { ZD_CR107, 0x1a },
{ ZD_CR109, 0x09 }, { ZD_CR110, 0x27 }, { ZD_CR111, 0x2b },
{ ZD_CR112, 0x2b }, { ZD_CR119, 0x0a }, { ZD_CR10, 0x89 },
/* for newest (3rd cut) AL2300 */
{ ZD_CR17, 0x28 },
{ ZD_CR26, 0x93 }, { ZD_CR34, 0x30 },
/* for newest (3rd cut) AL2300 */
{ ZD_CR35, 0x3e },
{ ZD_CR41, 0x24 }, { ZD_CR44, 0x32 },
/* for newest (3rd cut) AL2300 */
{ ZD_CR46, 0x96 },
{ ZD_CR47, 0x1e }, { ZD_CR79, 0x58 }, { ZD_CR80, 0x30 },
{ ZD_CR81, 0x30 }, { ZD_CR87, 0x0a }, { ZD_CR89, 0x04 },
{ ZD_CR92, 0x0a }, { ZD_CR99, 0x28 }, { ZD_CR100, 0x00 },
{ ZD_CR101, 0x13 }, { ZD_CR102, 0x27 }, { ZD_CR106, 0x24 },
{ ZD_CR107, 0x2a }, { ZD_CR109, 0x09 }, { ZD_CR110, 0x13 },
{ ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
{ ZD_CR114, 0x27 },
/* for newest (3rd cut) AL2300 */
{ ZD_CR115, 0x24 },
{ ZD_CR116, 0x24 }, { ZD_CR117, 0xf4 }, { ZD_CR118, 0xfc },
{ ZD_CR119, 0x10 }, { ZD_CR120, 0x4f }, { ZD_CR121, 0x77 },
{ ZD_CR122, 0xe0 }, { ZD_CR137, 0x88 }, { ZD_CR252, 0xff },
{ ZD_CR253, 0xff },
};
static const struct zd_ioreq16 ioreqs_pll[] = {
/* shdnb(PLL_ON)=0 */
{ ZD_CR251, 0x2f },
/* shdnb(PLL_ON)=1 */
{ ZD_CR251, 0x3f },
{ ZD_CR138, 0x28 }, { ZD_CR203, 0x06 },
};
static const u32 rv1[] = {
/* Channel 1 */
0x03f790,
0x033331,
0x00000d,
0x0b3331,
0x03b812,
0x00fff3,
};
static const u32 rv2[] = {
0x000da4,
0x0f4dc5, /* fix freq shift, 0x04edc5 */
0x0805b6,
0x011687,
0x000688,
0x0403b9, /* external control TX power (ZD_CR31) */
0x00dbba,
0x00099b,
0x0bdffc,
0x00000d,
0x00500f,
};
static const u32 rv3[] = {
0x00d00f,
0x004c0f,
0x00540f,
0x00700f,
0x00500f,
};
r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
if (r)
return r;
if (IS_AL2230S(chip)) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
return r;
}
r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
if (r)
return r;
/* improve band edge for AL2230S */
if (IS_AL2230S(chip))
r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
if (r)
return r;
r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
if (r)
return r;
r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
if (r)
return r;
return 0;
}
static int zd1211b_al2230_init_hw(struct zd_rf *rf)
{
int r;
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs1[] = {
{ ZD_CR10, 0x89 }, { ZD_CR15, 0x20 },
{ ZD_CR17, 0x2B }, /* for newest(3rd cut) AL2230 */
{ ZD_CR23, 0x40 }, { ZD_CR24, 0x20 }, { ZD_CR26, 0x93 },
{ ZD_CR28, 0x3e }, { ZD_CR29, 0x00 },
{ ZD_CR33, 0x28 }, /* 5621 */
{ ZD_CR34, 0x30 },
{ ZD_CR35, 0x3e }, /* for newest(3rd cut) AL2230 */
{ ZD_CR41, 0x24 }, { ZD_CR44, 0x32 },
{ ZD_CR46, 0x99 }, /* for newest(3rd cut) AL2230 */
{ ZD_CR47, 0x1e },
/* ZD1211B 05.06.10 */
{ ZD_CR48, 0x06 }, { ZD_CR49, 0xf9 }, { ZD_CR51, 0x01 },
{ ZD_CR52, 0x80 }, { ZD_CR53, 0x7e }, { ZD_CR65, 0x00 },
{ ZD_CR66, 0x00 }, { ZD_CR67, 0x00 }, { ZD_CR68, 0x00 },
{ ZD_CR69, 0x28 },
{ ZD_CR79, 0x58 }, { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 },
{ ZD_CR87, 0x0a }, { ZD_CR89, 0x04 },
{ ZD_CR91, 0x00 }, /* 5621 */
{ ZD_CR92, 0x0a },
{ ZD_CR98, 0x8d }, /* 4804, for 1212 new algorithm */
{ ZD_CR99, 0x00 }, /* 5621 */
{ ZD_CR101, 0x13 }, { ZD_CR102, 0x27 },
{ ZD_CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
{ ZD_CR107, 0x2a },
{ ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */
{ ZD_CR110, 0x1f }, /* 4804, for 1212 new algorithm */
{ ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
{ ZD_CR114, 0x27 },
{ ZD_CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut)
* AL2230
*/
{ ZD_CR116, 0x24 },
{ ZD_CR117, 0xfa }, /* for 1211b */
{ ZD_CR118, 0xfa }, /* for 1211b */
{ ZD_CR119, 0x10 },
{ ZD_CR120, 0x4f },
{ ZD_CR121, 0x6c }, /* for 1211b */
{ ZD_CR122, 0xfc }, /* E0->FC at 4902 */
{ ZD_CR123, 0x57 }, /* 5623 */
{ ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */
{ ZD_CR126, 0x6c }, /* 5614 */
{ ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */
{ ZD_CR137, 0x50 }, /* 5614 */
{ ZD_CR138, 0xa8 },
{ ZD_CR144, 0xac }, /* 5621 */
{ ZD_CR150, 0x0d }, { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 },
};
static const u32 rv1[] = {
0x8cccd0,
0x481dc0,
0xcfff00,
0x25a000,
};
static const u32 rv2[] = {
/* To improve AL2230 yield, improve phase noise, 4713 */
0x25a000,
0xa3b2f0,
0x6da010, /* Reg6 update for MP versio */
0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
0x116000,
0x9dc020, /* External control TX power (ZD_CR31) */
0x5ddb00, /* RegA update for MP version */
0xd99000, /* RegB update for MP version */
0x3ffbd0, /* RegC update for MP version */
0xb00000, /* RegD update for MP version */
/* improve phase noise and remove phase calibration,4713 */
0xf01a00,
};
static const struct zd_ioreq16 ioreqs2[] = {
{ ZD_CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
{ ZD_CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
};
static const u32 rv3[] = {
/* To improve AL2230 yield, 4713 */
0xf01b00,
0xf01e00,
0xf01a00,
};
static const struct zd_ioreq16 ioreqs3[] = {
/* related to 6M band edge patching, happens unconditionally */
{ ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
};
r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
ARRAY_SIZE(zd1211b_ioreqs_shared_1));
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
if (r)
return r;
if (IS_AL2230S(chip)) {
r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
ARRAY_SIZE(ioreqs_init_al2230s));
if (r)
return r;
}
r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
if (r)
return r;
if (IS_AL2230S(chip))
r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
else
r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
if (r)
return r;
r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
if (r)
return r;
return zd1211b_al2230_finalize_rf(chip);
}
static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
{
int r;
const u32 *rv = zd1211_al2230_table[channel-1];
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs[] = {
{ ZD_CR138, 0x28 },
{ ZD_CR203, 0x06 },
};
r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
if (r)
return r;
return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
{
int r;
const u32 *rv = zd1211b_al2230_table[channel-1];
struct zd_chip *chip = zd_rf_to_chip(rf);
r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
ARRAY_SIZE(zd1211b_ioreqs_shared_1));
if (r)
return r;
r = zd_rfwritev_cr_locked(chip, rv, 3);
if (r)
return r;
return zd1211b_al2230_finalize_rf(chip);
}
static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs[] = {
{ ZD_CR11, 0x00 },
{ ZD_CR251, 0x3f },
};
return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs[] = {
{ ZD_CR11, 0x00 },
{ ZD_CR251, 0x7f },
};
return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
static int al2230_switch_radio_off(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
static const struct zd_ioreq16 ioreqs[] = {
{ ZD_CR11, 0x04 },
{ ZD_CR251, 0x2f },
};
return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
int zd_rf_init_al2230(struct zd_rf *rf)
{
struct zd_chip *chip = zd_rf_to_chip(rf);
rf->switch_radio_off = al2230_switch_radio_off;
if (zd_chip_is_zd1211b(chip)) {
rf->init_hw = zd1211b_al2230_init_hw;
rf->set_channel = zd1211b_al2230_set_channel;
rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
} else {
rf->init_hw = zd1211_al2230_init_hw;
rf->set_channel = zd1211_al2230_set_channel;
rf->switch_radio_on = zd1211_al2230_switch_radio_on;
}
rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
rf->patch_cck_gain = 1;
return 0;
}