drivers/net/wireless/zd1211rw/zd_rf_al2230.c - kernel/tegra - Git at Google

 /* ZD1211 USB-WLAN driver for Linux
  *
  * Copyright (C) 2005-2007 Ulrich Kunitz <[email protected]>
  * Copyright (C) 2006-2007 Daniel Drake <[email protected]>
  *
  * 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, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */

 #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[] = {
 	{ CR240, 0x57 }, { CR9,   0xe0 },
 };

 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
 	{ CR47,   0x1e }, /* MARK_002 */
 	{ CR106,  0x22 },
 	{ CR107,  0x2a }, /* MARK_002 */
 	{ CR109,  0x13 }, /* MARK_002 */
 	{ CR118,  0xf8 }, /* MARK_002 */
 	{ CR119,  0x12 }, { CR122,  0xe0 },
 	{ CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
 	{ CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
 	{ 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[] = {
 		{ CR80,  0x30 }, { CR81,  0x30 }, { CR79,  0x58 },
 		{ CR12,  0xf0 }, { CR77,  0x1b }, { CR78,  0x58 },
 		{ CR203, 0x06 },
 		{ },

 		{ 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, CR9);
 		if (r)
 			return r;
 	}

 	return zd_iowrite16_locked(chip, 0x06, 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[] = {
 		{ CR15,   0x20 }, { CR23,   0x40 }, { CR24,  0x20 },
 		{ CR26,   0x11 }, { CR28,   0x3e }, { CR29,  0x00 },
 		{ CR44,   0x33 }, { CR106,  0x2a }, { CR107, 0x1a },
 		{ CR109,  0x09 }, { CR110,  0x27 }, { CR111, 0x2b },
 		{ CR112,  0x2b }, { CR119,  0x0a }, { CR10,  0x89 },
 		/* for newest (3rd cut) AL2300 */
 		{ CR17,   0x28 },
 		{ CR26,   0x93 }, { CR34,   0x30 },
 		/* for newest (3rd cut) AL2300 */
 		{ CR35,   0x3e },
 		{ CR41,   0x24 }, { CR44,   0x32 },
 		/* for newest (3rd cut) AL2300 */
 		{ CR46,   0x96 },
 		{ CR47,   0x1e }, { CR79,   0x58 }, { CR80,  0x30 },
 		{ CR81,   0x30 }, { CR87,   0x0a }, { CR89,  0x04 },
 		{ CR92,   0x0a }, { CR99,   0x28 }, { CR100, 0x00 },
 		{ CR101,  0x13 }, { CR102,  0x27 }, { CR106, 0x24 },
 		{ CR107,  0x2a }, { CR109,  0x09 }, { CR110, 0x13 },
 		{ CR111,  0x1f }, { CR112,  0x1f }, { CR113, 0x27 },
 		{ CR114,  0x27 },
 		/* for newest (3rd cut) AL2300 */
 		{ CR115,  0x24 },
 		{ CR116,  0x24 }, { CR117,  0xf4 }, { CR118, 0xfc },
 		{ CR119,  0x10 }, { CR120,  0x4f }, { CR121, 0x77 },
 		{ CR122,  0xe0 }, { CR137,  0x88 }, { CR252, 0xff },
 		{ CR253,  0xff },
 	};

 	static const struct zd_ioreq16 ioreqs_pll[] = {
 		/* shdnb(PLL_ON)=0 */
 		{ CR251,  0x2f },
 		/* shdnb(PLL_ON)=1 */
 		{ CR251,  0x3f },
 		{ CR138,  0x28 }, { 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 (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[] = {
 		{ CR10,  0x89 }, { CR15,  0x20 },
 		{ CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 		{ CR23,  0x40 }, { CR24,  0x20 }, { CR26,  0x93 },
 		{ CR28,  0x3e }, { CR29,  0x00 },
 		{ CR33,  0x28 }, /* 5621 */
 		{ CR34,  0x30 },
 		{ CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 		{ CR41,  0x24 }, { CR44,  0x32 },
 		{ CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 		{ CR47,  0x1e },

 		/* ZD1211B 05.06.10 */
 		{ CR48,  0x06 }, { CR49,  0xf9 }, { CR51,  0x01 },
 		{ CR52,  0x80 }, { CR53,  0x7e }, { CR65,  0x00 },
 		{ CR66,  0x00 }, { CR67,  0x00 }, { CR68,  0x00 },
 		{ CR69,  0x28 },

 		{ CR79,  0x58 }, { CR80,  0x30 }, { CR81,  0x30 },
 		{ CR87,  0x0a }, { CR89,  0x04 },
 		{ CR91,  0x00 }, /* 5621 */
 		{ CR92,  0x0a },
 		{ CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 		{ CR99,  0x00 }, /* 5621 */
 		{ CR101, 0x13 }, { CR102, 0x27 },
 		{ CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 		{ CR107, 0x2a },
 		{ CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 		{ CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 		{ CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
 		{ CR114, 0x27 },
 		{ CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
 		{ CR116, 0x24 },
 		{ CR117, 0xfa }, /* for 1211b */
 		{ CR118, 0xfa }, /* for 1211b */
 		{ CR119, 0x10 },
 		{ CR120, 0x4f },
 		{ CR121, 0x6c }, /* for 1211b */
 		{ CR122, 0xfc }, /* E0->FC at 4902 */
 		{ CR123, 0x57 }, /* 5623 */
 		{ CR125, 0xad }, /* 4804, for 1212 new algorithm */
 		{ CR126, 0x6c }, /* 5614 */
 		{ CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 		{ CR137, 0x50 }, /* 5614 */
 		{ CR138, 0xa8 },
 		{ CR144, 0xac }, /* 5621 */
 		{ CR150, 0x0d }, { CR252, 0x34 }, { 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 (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[] = {
 		{ CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 		{ 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 */
 		{ CR128, 0x14 }, { CR129, 0x12 }, { 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[] = {
 		{ CR138, 0x28 },
 		{ 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[] = {
 		{ CR11,  0x00 },
 		{ 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[] = {
 		{ CR11,  0x00 },
 		{ 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[] = {
 		{ CR11,  0x04 },
 		{ 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;
 }
	/* ZD1211 USB-WLAN driver for Linux
	*
	* Copyright (C) 2005-2007 Ulrich Kunitz <[email protected]>
	* Copyright (C) 2006-2007 Daniel Drake <[email protected]>
	*
	* 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, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#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[] = {
	{ CR240, 0x57 }, { CR9, 0xe0 },
	};

	static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
	{ CR47, 0x1e }, /* MARK_002 */
	{ CR106, 0x22 },
	{ CR107, 0x2a }, /* MARK_002 */
	{ CR109, 0x13 }, /* MARK_002 */
	{ CR118, 0xf8 }, /* MARK_002 */
	{ CR119, 0x12 }, { CR122, 0xe0 },
	{ CR128, 0x10 }, /* MARK_001 from 0xe->0x10 */
	{ CR129, 0x0e }, /* MARK_001 from 0xd->0x0e */
	{ 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[] = {
	{ CR80, 0x30 }, { CR81, 0x30 }, { CR79, 0x58 },
	{ CR12, 0xf0 }, { CR77, 0x1b }, { CR78, 0x58 },
	{ CR203, 0x06 },
	{ },

	{ 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, CR9);
	if (r)
	return r;
	}

	return zd_iowrite16_locked(chip, 0x06, 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[] = {
	{ CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 },
	{ CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 },
	{ CR44, 0x33 }, { CR106, 0x2a }, { CR107, 0x1a },
	{ CR109, 0x09 }, { CR110, 0x27 }, { CR111, 0x2b },
	{ CR112, 0x2b }, { CR119, 0x0a }, { CR10, 0x89 },
	/* for newest (3rd cut) AL2300 */
	{ CR17, 0x28 },
	{ CR26, 0x93 }, { CR34, 0x30 },
	/* for newest (3rd cut) AL2300 */
	{ CR35, 0x3e },
	{ CR41, 0x24 }, { CR44, 0x32 },
	/* for newest (3rd cut) AL2300 */
	{ CR46, 0x96 },
	{ CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 },
	{ CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 },
	{ CR92, 0x0a }, { CR99, 0x28 }, { CR100, 0x00 },
	{ CR101, 0x13 }, { CR102, 0x27 }, { CR106, 0x24 },
	{ CR107, 0x2a }, { CR109, 0x09 }, { CR110, 0x13 },
	{ CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
	{ CR114, 0x27 },
	/* for newest (3rd cut) AL2300 */
	{ CR115, 0x24 },
	{ CR116, 0x24 }, { CR117, 0xf4 }, { CR118, 0xfc },
	{ CR119, 0x10 }, { CR120, 0x4f }, { CR121, 0x77 },
	{ CR122, 0xe0 }, { CR137, 0x88 }, { CR252, 0xff },
	{ CR253, 0xff },
	};

	static const struct zd_ioreq16 ioreqs_pll[] = {
	/* shdnb(PLL_ON)=0 */
	{ CR251, 0x2f },
	/* shdnb(PLL_ON)=1 */
	{ CR251, 0x3f },
	{ CR138, 0x28 }, { 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 (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[] = {
	{ CR10, 0x89 }, { CR15, 0x20 },
	{ CR17, 0x2B }, /* for newest(3rd cut) AL2230 */
	{ CR23, 0x40 }, { CR24, 0x20 }, { CR26, 0x93 },
	{ CR28, 0x3e }, { CR29, 0x00 },
	{ CR33, 0x28 }, /* 5621 */
	{ CR34, 0x30 },
	{ CR35, 0x3e }, /* for newest(3rd cut) AL2230 */
	{ CR41, 0x24 }, { CR44, 0x32 },
	{ CR46, 0x99 }, /* for newest(3rd cut) AL2230 */
	{ CR47, 0x1e },

	/* ZD1211B 05.06.10 */
	{ CR48, 0x06 }, { CR49, 0xf9 }, { CR51, 0x01 },
	{ CR52, 0x80 }, { CR53, 0x7e }, { CR65, 0x00 },
	{ CR66, 0x00 }, { CR67, 0x00 }, { CR68, 0x00 },
	{ CR69, 0x28 },

	{ CR79, 0x58 }, { CR80, 0x30 }, { CR81, 0x30 },
	{ CR87, 0x0a }, { CR89, 0x04 },
	{ CR91, 0x00 }, /* 5621 */
	{ CR92, 0x0a },
	{ CR98, 0x8d }, /* 4804, for 1212 new algorithm */
	{ CR99, 0x00 }, /* 5621 */
	{ CR101, 0x13 }, { CR102, 0x27 },
	{ CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
	{ CR107, 0x2a },
	{ CR109, 0x13 }, /* 4804, for 1212 new algorithm */
	{ CR110, 0x1f }, /* 4804, for 1212 new algorithm */
	{ CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
	{ CR114, 0x27 },
	{ CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
	{ CR116, 0x24 },
	{ CR117, 0xfa }, /* for 1211b */
	{ CR118, 0xfa }, /* for 1211b */
	{ CR119, 0x10 },
	{ CR120, 0x4f },
	{ CR121, 0x6c }, /* for 1211b */
	{ CR122, 0xfc }, /* E0->FC at 4902 */
	{ CR123, 0x57 }, /* 5623 */
	{ CR125, 0xad }, /* 4804, for 1212 new algorithm */
	{ CR126, 0x6c }, /* 5614 */
	{ CR127, 0x03 }, /* 4804, for 1212 new algorithm */
	{ CR137, 0x50 }, /* 5614 */
	{ CR138, 0xa8 },
	{ CR144, 0xac }, /* 5621 */
	{ CR150, 0x0d }, { CR252, 0x34 }, { 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 (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[] = {
	{ CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
	{ 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 */
	{ CR128, 0x14 }, { CR129, 0x12 }, { 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[] = {
	{ CR138, 0x28 },
	{ 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[] = {
	{ CR11, 0x00 },
	{ 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[] = {
	{ CR11, 0x00 },
	{ 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[] = {
	{ CR11, 0x04 },
	{ 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;
	}